The present invention, package, method package preparation and yarn winding device.
BACKGROUND
[0002]
　Conventionally, an automatic winder a yarn of the yarn feeding bobbins produced by a spinning machine or the like and unwound, while removing yarn defects such as slub, the yarn of the plurality of yarn feeding bobbin to form a single package piecing It has been known.
　The glass fibers are also known winding unit special yarn such as carbon fiber (for example, see Patent Document 1, Patent Document 2).
　Winding body A of the thread described in Patent Document 1 2 is not a package using the spun yarn, as shown in FIGS. 2 and 7, the outer diameter varies stepwise.
　The winding body described in Patent Document 2, a low carbon steel wire or metal wire which is annealed, the wound yarn layers, or reaches the bottom flange, becomes wound in consideration of whether reaching the upper flange ing. Further, the first series of layers, the elongated material is wound so as to present in an amount greater than the upper flange to the bottom flange, to form a conical base portion of the elongated material on the core. The second series of layers, wound on the conical base, extend from the bottom flange to the top flange, thereby, it maintains the conical elongated material.
CITATION
Patent Document
[0003]
Patent Document 1: Patent No. 2780336 Patent Publication
Patent Document 2: U.S. Patent Application Publication No. 2017/81143 Pat
Summary of the Invention
Problems that the Invention is to Solve
[0004]
　How wound in Patent Document 2, might be suitable for low-carbon steel wire or metal wires, it is not preferable as a package for natural fibers such as cotton.
　On the other hand, in the package using the spun yarn, the improvement of unwinding properties are required. The reason for this is that, unwinding speed of the package is because is faster than in the old days. Factors reducing the unwinding property is like latching and debris yarn mixed yarn causes the breakage tension fluff cult. And, the higher the unwinding tension, even if there is no obvious defect phenomenon saying, yarn breakage occurs in the Jakuito part.
　Furthermore, in the package using the yarn of the yarn feeding bobbins produced by a spinning machine or the like, is also required to suppress the latching.
[0005]
　An object of the present invention is to allow good and latching inhibit unwinding properties in the package.
Means for Solving the Problems
[0006]
　The following describes several aspects as a means for solving the problems. These embodiments may be combined arbitrarily as needed.
[0007]
　Package according to one aspect of the present invention is provided with and across flange-less winding body without initial step, the yarn wound around the winding body, the. The endpoints flangeless means that the flange is not formed in the body at both ends of the winding body. Yarn has a first portion, the yarn layer than the first portion arranged in the longitudinal direction of the winding body has a second portion with a large diameter relative to the first portion.
　Yarn, a first yarn layer from the reference end wound into a first portion and a second portion with a first width, are alternately stacked with the first yarn layer, the reference edge second shorter than the first width and a second yarn layer wound only in the second part width.
　In this package, the yarn is wound to the flange without winding body. In the example flange is present winding body different from the present invention, when the natural fiber is unwound, rubbing the yarn and the flange unwound, natural fibers will fluffed.
　Natural fibers such as cotton wound as a large package of thin and diameter thread. Thus, in the example not continue winding alternately a first thread layer and the second fiber layer is different from the present invention, it disappears with leveled stepped. In contrast, in the present invention, by continuing winding a first thread layer and a second fiber layer alternately, it is a natural fiber package to form a package with a step.
　In this package, it stepped structure having a first portion and a second portion of the thread having an outer diameter different is realized. Therefore, the yarn is less likely to contact with the yarn layer on the solution舒時. More specifically, when the release of the large-diameter portion has been made, the yarn does not contact than the small diameter portion. As a result, the unwinding tension is reduced.
　Furthermore, the first yarn layer and a second yarn layer constituting the first and second portions of the yarn are stacked alternately. Therefore, it is possible to realize a wound to avoid the latching of the danger zone.
　The first yarn layer may cover the step portion of the second yarn layer continuously from the first portion toward the second portion. Thus, the change of the yarn layer height at the stepped portion becomes gentle, so that it is possible to increase the number of plies may increase the weight of the package.
[0008]
　Yarn, yarn layer than the second portion aligned in the longitudinal direction of the winding body with respect to the second portion has a third portion of the large diameter
　thread, alternately a first thread layer and the second yarn layer the stacked, may be a short third width than the second width from the reference edge has a third yarn layer wound only in the third portion.
[0009]
　First yarn layer, the second plies, the traverse count of the third yarn layer, 2: 3: may be the ratio of 4.
[0010]
　First yarn layer, the second plies, the drum wind number for forming the third yarn layer, 2.5 W: 2.0 W: is 1.5 W,
　the first yarn layer, the second thread layer, the third the width of the yarn layer is 6 inches: 4 inches: may be three inches.
[0011]
　First yarn layer, the second plies, the traverse count of the third yarn layer, 1: 2: may be a ratio of 2.
[0012]
　First yarn layer, the second plies, the drum wind number for forming the third yarn layer, 2.0 W: 1.5 W: is 1.5 W,
　the first yarn layer, the second thread layer, the third the width of the yarn layer, four inches: 3.8 inches: may be three inches.
[0013]
　Another package manufacturing method according to an aspect of the present invention is a method of manufacturing a package having a yarn wound across the flange-less winding body, by repeating alternately the following two steps, the first portion When, to form a yarn layer and a second portion of larger diameter than the first portion arranged in the longitudinal direction of the winding body with respect to the first portion.
　◎ first winding yarn layer step in the winding body
　◎ in the longitudinal direction of the winding body in a range shorter than the first thread layer to overlap the first yarn layer wound second plies step
　in this package manufacturing method, the outer diameter is stepped package having first and second portions of the different threads are formed. Therefore, the yarn layer yarn is in contact is less the solution舒時. More specifically, when the release of the large-diameter portion has been made, the yarn does not contact than the small diameter portion. As a result, the unwinding tension is reduced.
　Furthermore, the first yarn layer and a second yarn layer constituting the first and second portions of the yarn are stacked alternately. Therefore, it is possible to realize a wound to avoid the latching of the danger zone.
[0014]
　Furthermore yarn winding apparatus according to another aspect of the present invention includes a winding section, and a control unit for executing the above method of manufacturing a package in the winding unit.
　In this apparatus, the aforementioned effects can be obtained.
[0015]
　The winding portion, and a rotating support, a yarn guide portion may have a lever member.
　Rotation support portion, the winding body is mounted.
　Thread guide portion is for guiding the yarn to the winding body, with a traverse drum.
　Lever member is yarn and the non-restricting position for supplying the yarn in a wide swing width traverse drum by not restricting the movable position of the thread in the rotation axis direction of the traverse drum, the rotation axis direction of the traverse drum a regulating position for supplying the yarn in a narrow swing width traverse drum by restricting the movable position of a moveable between. Lever member induces different yarns traverse groove of the traverse drum in a restricted position and a non-restriction position. "Different traverse groove", in the sense that it is not completely the same.
　Control unit executes the steps of winding a first thread layer by arranging the lever member in a non-restricting position, performs the step of winding the second thread layer by arranging the lever member to the regulating position.
　In this apparatus, by moving the lever member between the restricting position and the non-restricting position, it is possible to change the swing width of the yarn to be guided to the traverse drum. More specifically, the yarn when the lever member is in the non-restriction position is guided by the wide swing width traverse drum, when the lever member is in the restricting position, the yarn is guided traverse drum in a narrow Amplitude , passing through the different drum groove from the case that has not been regulated. In this way, it is possible to form a yarn layer of the yarn layer and the narrow winding width wide winding width. Thus, it is possible to form a yarn layer of the yarn layer and the wider the winding width of the narrow winding width in one package.
[0016]
　Lever member may have a plurality of lever members which are provided corresponding to the rotation axis at different positions of the traverse drum. In this apparatus, if the number of the lever member 2, it is possible to realize a three winding width.
　Hereinafter, an example in which the first lever member and the second lever member provided. For example, the first lever member is disposed between the original swing width of the yarn, to shorten the swing width of the yarn by limiting further movement of the yarn at the restricting position. The second lever member is disposed between the original swing width of the thread, further shorten the swing width of the yarn by limiting further movement of the yarn at the restricting position. In other words, the swing width of the yarn, one of the folded position, the original position, the first lever member, becomes shorter as becomes the second lever member. From the above, yarn fed from the traverse drum in the winding body has a widest width plies of the yarn layer of the intermediate width it overlapped partially in the drum width direction in a state in which one end is aligned, it forming at one end a yarn layer of the shortest width partially overlapping the drum width direction at uniform state as a reference edge.
The invention's effect
[0017]
　Package according to the present invention, a method of package production, and at the yarn winding device may unwinding properties well becomes and latching suppressed in the package.
BRIEF DESCRIPTION OF THE DRAWINGS
[0018]
[1] a schematic front view showing a yarn winding unit of an automatic winder according to the first embodiment.
[2] a schematic view of a package.
[Figure 3] a schematic sectional view of the package.
[Figure 4] a schematic front view showing a first yarn winding operation the yarn winding operation.
[5] a schematic front view showing a second yarn winding operation.
[6] a schematic front view showing a third yarn winding operation.
[7] the groove developed view of a traverse drum.
[8] a block diagram showing a control configuration of an automatic winder.
[9] a flowchart for explaining a yarn winding operation.
[Figure 10] schematic cross-sectional view showing a first yarn winding operation.
[Figure 11] schematic cross-sectional view showing a second yarn winding operation.
[Figure 12] schematic cross-sectional view showing a third yarn winding operation.
[Figure 13] schematic cross-sectional view showing a first yarn winding operation.
[Figure 14] schematic cross-sectional view showing a second yarn winding operation.
[Figure 15] schematic cross-sectional view showing a third yarn winding operation.
[Figure 16] schematic cross-sectional view showing a first yarn winding operation.
[17] grooves developed view of a traverse drum for indicating the groove movement of the yarn in the first yarn winding operation.
[18] grooves developed view of a traverse drum for indicating the groove movement of the yarn in the second yarn winding operation.
[19] grooves developed view of a traverse drum for indicating the groove movement of the yarn in the first yarn winding operation.
[Figure 20] schematic front view showing a structure of a cradle according to the second embodiment.
[Figure 21] schematic front view showing a winding of an automatic winder winding unit according to the third embodiment.
[Figure 22] schematic side view of a traverse device.
DESCRIPTION OF THE INVENTION
[0019]
1. First Embodiment
(1) Basic structure of an automatic winder
　with Figure 1, illustrating the automatic winder 1. Figure 1 is a schematic front view showing a yarn winding unit of an automatic winder according to the first embodiment.
　Automatic winder 1 includes a yarn winding unit 2. Yarn winding unit 2 is wound around the winding tube 6 (an example of the winding body) to form a yarn layer while being traversed yarn 4 unwound from the yarn supplying bobbin 3 by the traverse drum 5, the cone-shaped a device for forming a package 7. Although not in Figure 1 the yarn winding unit 2 illustrated only one, that such yarn winding unit 2 is a number arrayed in an unillustrated machine base on, the automatic winder 1 is configured.
　Incidentally, the winding tube 6 is the winding body flange is not in the both ends. Although the winding tube 6 is cone-shaped, it may be a cylindrical shape. The initial step is not the winding tube 6.
[0020]
　Yarn supplying bobbin 3 is mounted on a tray, conveyor are supplied to the unit 2 line-winding (not shown), is paid out after operation line winding.
　Yarn winding unit 2, as an example of the take-up unit, the cradle 8 that detachably supports the winding tube 6 (an example of the rotation support portion), and the thread guide portion 12 that guides the yarn 4 into the winding tube 6, have. Thread guide portion 12 includes a traverse drum 5 that rotates at a predetermined rotational speed while contacting the peripheral surface of the or package 7 on the peripheral surface of the winding tube 6.
[0021]
　Cradle 8 rotatably supports to sandwich the two ends of the winding tube 6. The cradle 8 is tiltably constructed about the rotation shaft 10, fat winding due to the winding of the yarn 4 into the winding tube 6 or the package 7 (increase in the diameter of the yarn layer), the cradle 8 There can be absorbed by rotating. Winding tube 6 or the package 7, driven to rotate by rolling contact the traverse drum 5.
[0022]
　The traverse drum 5, as well as to traverse the yarn 4 on the surface of the package 7, to rotate the package 7. The traverse drum 5 is rotated by the package driving mechanism 41 (FIG. 8). Package driving mechanism 41 includes a motor, a power transmission mechanism or the like.
　The outer peripheral surface of the traverse drum 5, a spiral traverse groove 9 is formed. The yarn 4 is wound on the surface of the winding tube 6 while being traversed (traversed) with a constant width by traverse groove 9. Thereby, the package 7 is formed.
　Unit control unit 50 responsible for controlling the yarn winding unit 2 (FIG. 8) is provided in each yarn winding unit 2.
[0023]
　Yarn winding unit 2, in the yarn travel path between the yarn supplying bobbin 3 and the traverse drum 5, in order from the yarn supplying bobbin 3 side, the yarn splicing device 14, a yarn clearer 15, waxing device 24, a cleaning pipe 25 and it has a configuration which is disposed.
　The yarn splicing device 14, when the thread cutting yarn clearer 15 performed by detecting a yarn defect, or when yarn breakage of the yarn 4 from the yarn supplying bobbin 3, a bobbin thread 4L as the yarn 4 on the yarn supplying bobbin 3 side, the upper thread 4U as the yarn 4 of the package 7 side is configured to piecing.
　Yarn clearer 15 is for detecting the thickness defects of the yarn 4 is detected by an appropriate sensor the thickness of the yarn 4 passing through the portion of the detection portion of the yarn clearer 15, the signal from the sensor by analyzing at the analyzer (not shown), it detects a yarn defect such as slub. The yarn clearer 15, a cutter 16 for immediately cutting the yarn 4 when it detects a yarn defect is attached.
[0024]
　The lower and upper yarn splicing device 14, a lower yarn sucking, catching guide mechanism 17 for guiding sucks, catches the lower yarn 4L on the yarn supplying bobbin 3 side to the yarn splicing device 14, the upper yarn 4U package 7 side needle thread suction catching mechanism 20 for guiding suction captured by the yarn splicing device 14 is provided.
　Upper yarn sucking, catching guide mechanism 20 is configured like a pipe provided with a suction mouth 22 on the tip. Upper yarn sucking, catching guide mechanism 20 includes a shaft 21 for supporting the pipe 20a and the pipe 20a extending from the suction mouth 22 rotatably. Pipe 20a is connected to the shutter device (not shown) through a connecting pipe (not shown). That is, the base end of the upper yarn sucking, catching guide mechanism 20 is connected to a blower (not shown) through the shutter device (not shown).
[0025]
　Lower yarn sucking, catching, guiding mechanism 17 is also configured like a pipe, an air inlet 19 to the tip. Lower yarn sucking, catching, guiding mechanism 17 is configured from a relay pipe 17a provided to be vertically rotated around the shaft 18, the same blower duct (not shown) and a connecting pipe for connecting (not shown) .
　Waxing device 24 is a device for applying an appropriate wax with respect to the yarn 4 traveling.
[0026]
　The cleaning pipe 25 is a device for removing by suction the foreign matter adhering to the yarn 4 traveling. The proximal end of the cleaning pipe 25 is connected to the blower via a shutter device (not shown), the suction port is formed at the tip of the cleaning pipe 25. Suction port of the cleaning pipe 25 is close to the yarn 4 traveling between the waxing device 24 and the traverse drum 5.
[0027]
(2) packaging
　the using FIGS. 2 and 3, illustrating a package 7. Figure 2 is a schematic view of a package. Figure 3 is a schematic cross-sectional view of the package.
　Package 7 is a cone-shaped stepped, in this embodiment is three. Specifically, the first stage 7A most diameter is small (an example of the first portion), and the second stage 7B diameter moderate (an example of the second portion), and a third stage 7C most diameter is large It has.
[0028]
　Package 7, the entire width direction (across the first stage 7A ~ third stage 7C) and the first yarn layer 51 formed, narrower width than and the width direction on one side (second stage 7B ~ third stage 7C over) a second yarn layer 53 formed, the third yarn layer 55 is formed alternately formed (in the third stage 7C) by narrower than the width a and the width direction on one side it. That is, the first stage 7A is composed of a plurality of first yarn layer 51, the second stage 7B is composed of a plurality of first yarn layer 51 and the second plies 53, the third stage. 7C It is composed of a plurality of first yarn layer 51, the second plies 53 and the third yarn layer 55.
　In other words, first yarn layer 51 is wound with a width A from the reference edge P of FIG right, second plies 53 are wound with shorter width B than the first yarn layer 51 from FIG right reference edge the third yarn layer 55 is wound in a shorter width C than the second plies 53 from FIG right reference edge.
　When the yarn from the package 7 is unwound is the next outermost first yarn layer 51, a third yarn layer 55, the second plies 53, first yarn layer 51 is unwound repeatedly in this order go.
[0029]
　Since the outer diameter of stepped structure having a first stage 7A different yarns and a second stage 7B is realized as described above, the yarn is less likely to contact with the yarn layer on the solution舒時. More specifically, when the release of the second stage 7B has been made, the yarn does not contact the first stage 7A. As a result, the unwinding tension is reduced.
　Furthermore, the first yarn layer 51 and the second plies 53 constituting the first stage 7A and the second stage 7B yarns are alternately laminated. Therefore, it is possible to realize a wound to avoid the latching of the danger zone.
　Boundary of each stage is changing smoothly, i.e. angular portion is not formed on the surface. The reason is that first yarn layer 51 covers continuously the step portion of the second plies 53 from the first stage 7A toward the second stage 7B, first yarn layer 51 is stepped portion of the second plies 53 the covers from the second stage 7B successively toward the third stage 7C, since the second yarn layer 53 covers the stepped portion of the third yarn layer 55 successively from the second stage 7B toward the third stage 7C it is.
[0030]
(3) yarn width adjusting device
　yarn winding unit 2 includes a winding width adjusting device 61. Winding width adjusting device 61, by regulating the traversing of the yarn 4 that traverse the yarn 4 was conventional and pass through different traverse groove 9, whereby the plies of a narrower width than that of the non-regulated which is a device for forming on the winding tube 6.
　Winding width adjusting device 61, as shown in FIG. 2, it has a lever member 62. Lever member 62, as a plurality of lever members, has a first guide lever 63, and a second guide lever 65. The first guide lever 63 and the second guide lever 65 is provided on the yarn guide side in proximity to the traverse drum 5. Specifically, the first guide lever 63 and the second guide lever 65 is responsive to the rotational axis direction at different positions of the traverse drum 5, specifically, along with the above order from the left hand side of the drawing to the right It is located.
[0031]
　The first guide lever 63 and the second guide lever 65, respectively, is movable between a regulating position and a non-restriction position. The restricting position, the first guide lever 63 and the second guide lever 65, by regulating the movable position of the rotational axis direction of the traverse drum of the yarn 4 at the thread swing passage region, a narrow swing width traverse drum 5 in guiding the yarn 4. In the non-restricting position, the first guide lever 63 and the second guide lever 65, by not restricting the movable position of the rotational axis direction of the traverse drum the yarn 4 by deviating from the yarn swing passage region, the traverse drum 5 to guide the yarn 4 in a wide swing width. The first guide lever 63 and the second guide lever 65 is in the restricted position and a non-restricting position, induces the yarn 4 different traverse groove 9 of the traverse drum 5 (described later).
　In this embodiment, since the number of the guide lever is 2, it is possible to realize a three winding width in the package 7 (see below).
　Winding width adjusting device 61 includes a traverse formation mechanism 43 for controlling the operation of the first guide lever 63 and the second guide lever 65 (FIG. 8) (see below).
[0032]
　With reference to FIGS. 4 to 6, illustrating the first to third yarn winding outline of the operation. Figure 4 is a schematic front view showing a first yarn winding operation. Figure 5 is a schematic front view showing a second yarn winding operation. Figure 6 is a schematic front view showing a third yarn winding operation.
　In the first yarn winding operation, in a first guide lever 63 and the second guide lever 65 is non-restriction position as shown in FIG. 4, therefore, the yarn 4 is widest swing relative to the traverse drum 5 without being regulated It is guided by the width. Therefore the first yarn layer 51 is formed.
[0033]
　In the second yarn winding operation, only the first guide lever 63, as shown in FIG. 5 is in the restricting position, therefore, the yarn 4 is guided by the long swing width in respect traverse drum 5 is restricted. Specifically, the yarn 4 is not be swung any more FIG left (the small diameter side of the package 7) by the first guide lever 63. As a result, the second yarn layer 53 is formed.
　In the third yarn winding operation, as shown in FIG. 6, only the second guide lever 65 is in the restricting position, therefore, the yarn 4 is guided by the narrowest swing width with respect traverse drum 5 is restricted. Specifically, the yarn 4 is never swung in more FIG left (the small diameter side of the package 7) by the second guide lever 65. As a result, the third yarn layer 55 is formed.
[0034]
　With reference to FIG. 7, illustrating the groove shape of the traverse drum 5. Figure 7 is a groove developed view of a traverse drum. Direction of rotation of the traverse drum 5 is indicated by an arrow R.
　Traverse groove 9 of the traverse drum 5 is formed in a spiral shape, mainly has a traverse forward path 71, and a traverse backward 73. Traverse forward path 71 extends in Fig lower left in the figure is displayed as a three grooves. In other words, the traverse forward path 71, the yarn 4 extends to widen the trajectory of the yarn 4 towards the left side of the drawing of the traverse drum 5 (the width direction first side) when being guided by the grooves. Specifically, in FIG. 7, the traverse forward path 71 extends in the order of the point a → point b → point c → point d.
　Traverse return 73 extends in Fig obliquely lower right, it is displayed as two grooves in FIG. In other words, the traverse return 73, the yarn 4 extends so as to narrow the orbit of the yarn 4 towards the FIG right traverse drum 5 (the width direction second side) when guided in the groove. Specifically, in FIG. 7, traverse backward 73 extends in the order of point d → point e → point a.
[0035]
　Traverse forward path 71 and traverse backward 73 includes a first intersection 75 and the second intersection 77. The first intersection 75 is provided at the right end from the 2/3 position of the drum width 7. The second intersection 77 is provided at a position of about 1/3 from the right end of the drum width 7.
　With the above configuration, the traverse forward path 71 is the yarn 4, which is traversed in FIG left, followed by being traversed in FIG right by the traverse backward path 73 to return to its original position. In this way, the yarn 4 is traversed by the traverse groove 9 is wound around the winding tube 6.
[0036]
　In the first yarn winding operation described above, the width range in which the yarn 4 is moved traverse groove 9 on the traverse drum 5 is an overall drum width indicated by the width A (e.g., 6 inches).
　In the second yarn winding operation described above, the width range in which the yarn 4 is moved traverse groove 9 on the traverse drum 5, between the FIG right and first intersection 75 of the traverse drum 5 indicated by the width B ( For example, a 4-inch).
　In the third yarn winding operation described above, the width range in which the yarn 4 is moved traverse groove 9 on the traverse drum 5, between the FIG right and second intersection 77 of the traverse drum 5 indicated by width C ( For example, it is 3 inches).
[0037]
(4) control configuration of the yarn winding unit
　using FIGS. 8 and 9, illustrating the control structure of the yarn winding unit 2. Figure 8 is a block diagram showing a control configuration of an automatic winder. Figure 9 is a flowchart for explaining the yarn winding operation.
　Yarn winding unit 2 includes a unit control section 50.
[0038]
　The unit control section 50, a processor (e.g., CPU) and a storage device (e.g., ROM, RAM, HDD, SSD, etc.) and various interfaces (e.g., A / D converter, D / A converter, communication interface) of is a computer system that has. The unit control section 50, the storage unit by executing a program stored in a (part of the storage area of the storage device or corresponding to all), performs various control operations.
　The unit control section 50 may be composed of a single processor, or may include a plurality of processors independent for each control.
[0039]
　The function of each element of the unit control section 50, some or all of which may be realized as a program executable in a computer system comprising a unit control section 50. Other, some features of the elements of the control unit may be composed of a custom IC.
[0040]
　The unit control section 50 is connected to the package driving mechanism 41 described above.
　The unit control section 50 is connected to the traverse forming mechanism 43 described above. Traverse forming mechanism 43 is a mechanism for forming the package 7 stepped. Traverse forming mechanism 43 includes a first driving mechanism 45 (an example of a driving portion), and the second driving mechanism 47 (an example of a driving portion), and a rotation sensor 59.
[0041]
　The first driving mechanism 45 is an actuator for moving between a restriction position and a non-restricting position to the first guide lever 63, for example, a solenoid. The first driving mechanism 45, the motor may be a power transmission mechanism.
　The second drive mechanism 47 is an actuator for moving between a restriction position and a non-restricting position of the second guide lever 65, for example, a solenoid. The second driving mechanism 47, the motor may be a power transmission mechanism or the like.
　Rotation sensor 59 is a sensor that outputs a signal each time the traverse drum 5 is 1/60 rotation.
　The unit control section 50, although not shown, a sensor for detecting the position of the yarn 4, the state sensors and switches for detecting the respective devices, as well as information input device is connected.
[0042]
(5) yarn winding operation
　using Figure 9, illustrating a yarn winding operation of the package 7. Yarn winding operation
　control flowchart to be described below are illustrative, each step may be omitted and replaced if necessary. Also, or more steps are performed simultaneously, may cause some or all runs overlapping.
　Further, each block of the control flow chart is not limited to a single control operation, it can be replaced by a plurality of control operation represented by a plurality of blocks.
　Operation of the device is the result of a command to each device from the control unit, which are represented by the respective steps in a software application.
[0043]
　First, explaining the method of determining the switching timing of the guide lever. First, the number of drum winding, a rotation number of the rotated traversing drum during one traverse (yarn reciprocates once between both ends of the drum groove) to. Therefore, the drum winding number, have different number of revolutions of the drum required for one traverse (one reciprocation drum). Therefore also different signal input count from the rotation sensor 59.
　Drum winding number, drum rotation number / TRV, relationship drum rotation signal input count / TRV is, for example, as follows.

　
　As described above, the state of the guide lever (regulation position or non-restriction position) is determined drum wind number (either wrapped in what wind) further thereby, whether the drum is 1 traverses After what rotation is determined. From the above, it is possible to move between a restricting position and the non-restriction position of the guide lever at the right time in the wind number.
[0044]
　Hereinafter, with reference to FIG. 9, 2.5 W (6 inches): 2.0 W (4 inches): 1.5 W (3 inches) = 2: 3: 4 (traverse count (number of layers)) and a package 7 the formation will be described.
　In step S1, the first yarn winding operation is performed. Specifically, the unit control section 50, by moving the first guide lever 63 and the second guide lever 65 in the non-restricting position, sets the number of drum winding to 2.5 W. Then, a yarn layer 2 layer in that state. Then, when the drum rotation signal is inputted 0.99 × 2 = 300 times, terminates the formation of the first yarn layer 51.
　In step S2, whether the package 7 has been completed is determined. If not completed, the process proceeds to step S3. If completed, the process ends.
[0045]
　In step S3, the second yarn winding operation is performed. Specifically, the unit control section 50, by moving the first guide lever 63 to the restricting position, is switched to the drum wind number 2.0 W. Then, three layers form a yarn layer in this state. The drum rotation signal Once entered 120 × 3 = 360 times, it terminates the formation of the second plies 53.
　In step S4, the third yarn winding operation is performed. Specifically, the unit control section 50 moves the first guide lever 63 in the non-restricting position, and, by moving the second guide lever 65 to the restricting position, switches the number of drum winding to 1.5 W. Then, 4 layers form a yarn layer in this state. The drum rotation signal Once input 90 × 4 = 360 times, terminates the formation of the third yarn layer 55.
[0046]
　Thus, the first yarn layer 51, the second plies 53, third yarn layer 55 are repeatedly formed, the package 7 by the first yarn layer 51 is formed is completed last.
　Incidentally, the unit control section 50, according to one of the winding pattern information set in advance, performing the above described steps. Specifically, the unit control section 50 according to operation from automatically or operator reads the winding pattern information stored in the storage unit, and executes control based on it. As a result, the package manufacturing operation is easy. Or, the operator may input a winding pattern to the unit control section 50 each time.
[0047]
　In the above package manufacturing method, the step of winding the first yarn layer 51 to the winding tube 6, the second thread layer superimposed on the first yarn layer 51 in a shorter range than the first fiber layer 51 in the longitudinal direction of the winding tube 6 the step of winding the 53, and repeats the step of winding the third yarn layer 55 in a shorter range than the second plies 53 longitudinally overlap the second plies 53 of the winding tube 6 alternately. As a result, the first stage 7A, a second stage 7B of larger diameter than the first stage 7A arranged in the longitudinal direction of the winding tube 6 relative to the first stage 7A, a third diameter larger than the second stage 7B plies having a stepped 7C is formed.
　To describe the operation of changing the width of the yarn layer in detail as follows. By moving between the regulating position and a non-restricting position to the first guide lever 63 and the second guide lever 65, it is possible to change the swing width of the yarn 4 guided by the traverse drum 5. Specifically, the thread 4 when the first guide lever 63 and the second guide lever 65 is in the non-restriction position is guided by the wide swing width traverse drum 5, the first guide lever 63 and second guide lever 65 winding but when in the restricting position, the yarn 4 is guided to the traverse drum 5 with a narrow stitch width, the winding tube 6 yarn 4 is a narrow winding width through different traverse groove 9 and if not regulated wither. Thus, for example, by a second yarn layer of the first fiber layer and the narrow winding width wide winding width becomes possible to form, as in the present embodiment, the yarn layer of the narrow winding width in one package and it is possible to obtain a package 7 stepped by combining plies wide winding width.
[0048]
　With reference to FIGS. 10 to 16, illustrating the formation of the yarn layer of the above yarn winding operation in detail. 10 to 16 are schematic sectional views showing respective yarn winding operation.
　As shown in FIG. 10, a first yarn winding operation, the first yarn layer 51 is formed on the entire surface of the winding tube 6 (step S1 in FIG. 9).
　As shown in FIG. 11, the second yarn winding operation, the second yarn layer 53 is formed on the first yarn layer 51 (step S3 in FIG. 9).
　As shown in FIG. 12, a third yarn winding operation, the third yarn layer 55 is formed on the second plies 53 (step S4 in FIG. 9).
[0049]
　As shown in FIG. 13, a first yarn winding operation, the first yarn layer 51, the first yarn layer 51 previously formed over the second yarn layer 53 and the third yarn layer 55 (of FIG. 9 step S1).
　As shown in FIG. 14, the second yarn winding operation, the second yarn layer 53 is formed on the first yarn layer 51 (step S3 in FIG. 9).
　As shown in FIG. 15, a third yarn winding operation, the third yarn layer 55 is formed on the second plies 53 (step S4 of FIG. 9).
　As shown in FIG. 16, a first yarn winding operation, the first yarn layer 51 is formed on the third yarn layer 55 (step S1 in FIG. 9). As a result of the above, the package 7 is completed.
[0050]
　As described above, since the first yarn layer 51 covers the stepped portion of the second plies 53 and third plies, the change of the yarn layer height of the step portion is reduced, the change in height is gently Become. Therefore, it is possible to increase the number of plies may increase the weight of the package 7.
　In the above embodiments, the first yarn layer 51, the repetition of a set of second plies 53 and the third yarn layer 55 was the second time, it may be three or more.
　Furthermore, the number of types of yarn layers constituting the repeating set in the above embodiment employs a 3, it may be a 2, or may be four or more.
[0051]
　With reference to FIGS. 17 to 19, illustrating the grooves movement of the yarn in each yarn winding operation. 17 to 19 are grooves developed view of a traverse drum for indicating the groove movement of the yarn in each yarn winding operation.
　As shown in FIG. 17, the first yarn winding operation (step S1 in FIG. 9), the yarn 4 moves the traverse groove 9 of the traverse drum 5 as follows. It is the order of the point a → point b → point c → point d → point e → point a. More specifically, since the first guide lever 63 is in the non-restricting position, the yarn 4 that travels along the traverse forward path 71 passes through the first intersection 75 moves directly along the traverse forward path 71. As a result, the first thread layer 51 is formed.
[0052]
　The above description is a case of using 6 inches 2.5W drum grooves 6 inches 2.0W drum grooves if necessary also available. This allows increasing the variation of the traverse width. The yarn winding operation using 6 inches 2.0W drum groove, the yarn 4 moves the traverse groove 9 of the traverse drum 5 as follows. Specifically, in FIG. 7 is a sequence of points a → branch point 79 → point e → confluence 81 → point d → point e → point a.
[0053]
　As shown in FIG. 18, the second yarn winding operation (step S3 in FIG. 9), the yarn 4 moves the traverse groove 9 of the traverse drum 5 as follows. It is a sequence of point a → point b → point c → first intersection 75 → point e → point a. More specifically, since the first guide lever 63 is in the restricting position, the yarn 4 that travels along the traverse forward path 71 is then moved along the traverse backward 73 moves to traverse backward 73 in the first intersection 75 . As a result, the second yarn layer 53 is formed.
[0054]
　As shown in FIG. 19, the third yarn winding operation (step S4 of FIG. 9), the yarn 4 moves the traverse groove 9 of the traverse drum 5 as follows. Is the order of the point a → point b → the second intersection 77 → point a. More specifically, since the second guide lever 65 is in the restricting position, the yarn 4 that travels along the traverse forward path 71 is then moved along the traverse backward 73 moves to traverse backward 73 in the second intersection 77 . As a result, the third yarn layer 55 is formed.
　The has been described package winding width 6 inches in embodiments, the present invention is applicable to other size of the package. For example, the present invention can be applied to the winding width of 4 inch package. As an example, 2.0 W (4 inches): 1.5 W (3.8 inches): 1.5 W (3 inches) = 1: 2: 2 may be packaged as a (traverse count (number of layers)). In this case, it is possible to avoid the latching of the danger zone.
[0055]
2. The second embodiment
　with reference to Figure 20, an embodiment of the cradle. Figure 20 is a schematic front view showing a structure of a cradle according to the second embodiment.
　On one of the support portion 8a of the cradle 8, the adapter 83 is detachably mounted. Adapter 83 supports the end portion of the winding tube 6. This allows mounting the winding tube 6 lengths for the cradle 8 is different.
　Adapter, as a variant, may be provided on the other supporting edge of the cradle, it may be provided on both sides of the support ends of the cradle.
[0056]
3. Third Embodiment
　with reference to FIGS. 21 and 22, illustrating a yarn winding unit of the arm traverse method. Figure 21 is a schematic front view showing a yarn winding unit of an automatic winder according to the third embodiment. Figure 22 is a schematic side view of a traverse device.
[0057]
　Yarn winding unit 100, the yarn traveling path between the yarn supplying bobbin 121 and the contact roller 129, in order from the yarn supplying bobbin 121 side, a yarn unwinding assisting device 112, the tension applying device 113, a splicer device 114 , and a yarn monitor device 115, a.
　At the bottom of the yarn winding unit 100, the yarn supplying section 111 is provided. Yarn supplying section 111 is configured to hold the yarn supplying bobbin 121 conveyed by an unillustrated bobbin transport system in place.
[0058]
　Yarn unwinding assisting device 112, by lowering a regulating member 140 that covers a core tube of the yarn feeding bobbin 121 and unwinding of the yarn 120 from the yarn supplying bobbin 121, the yarn 120 from the yarn supplying bobbin 121 to assist in the unwinding.
　Tension applying device 113 applies a predetermined tension to the yarn 120 travels.
[0059]
　Splicer device 114, when yarn cutting the yarn monitoring apparatus 115 performs to detect a yarn defect or yarn breakage or the like of being unwound from the yarn supplying bobbin 121, and the lower yarn from the yarn supplying bobbin 121, package 130 piecing the yarn on top of the from.
　Yarn monitor device 115 includes the unillustrated head 149 the sensor is arranged to detect the thickness of the yarn 120, the analyzer (not shown) for processing the yarn thickness signal from the sensor, the there. Yarn monitor device 115, by monitoring the yarn thickness signal from the sensor is configured to detect a yarn defect such as slub. In the vicinity of the head 149, the cutter 139 for the yarn monitoring device 115 is immediately cut the yarn 120 when it detects a yarn defect is provided.
[0060]
　Below the splicer device 114, the lower yarn catching member 125 that guides the splicer device 114 captures the yarn end of the lower yarn is provided. On the upper side of the splicer device 114, the thread catcher 126 on which catches and guides the yarn end of the upper yarn to the splicer device 114 is provided. Lower yarn catching member 125 includes a lower yarn pipe arm 133, a lower yarn suction opening 132 formed at the tip of the lower yarn pipe arm 133. Upper yarn catching member 126 includes an upper yarn pipe arm 136 is provided with a yarn suction opening 135 on which is formed at the tip of the upper yarn pipe arm 136, a.
[0061]
　The lower yarn pipe arm 133 and the upper yarn pipe arm 136, and is configured to be rotatable each about an axis 134 and axis 137. The lower yarn pipe arm 133 and the upper yarn pipe arm 136, the negative pressure source suitably are connected. Lower yarn pipe arm 133, to generate a suction flow to the lower thread suction port 132, it is configured to be sucked and caught the yarn end of the bobbin thread. Upper yarn pipe arm 136, to generate a suction flow to the upper yarn suction opening 135, and is configured to suck and catch the yarn end of the upper thread. The lower yarn pipe arm 133 and the upper yarn pipe arm 136, a shutter at its proximal end (not shown) are respectively provided. Each shutter is opened and closed in response to a signal from the unit control section 150. Thus, stop and generation of suction flow from the lower yarn suction opening 132 and the upper yarn suction opening 135 is controlled.
[0062]
　Yarn winding unit 100 includes a cradle 123 for removably supporting the winding bobbin 122, and the contact roller 129 rotatably in contact with the peripheral surface of the peripheral surface or package 130 of the winding bobbin 122, a.
　Yarn winding unit 100, the arm type traverse device 170 for traversing the yarn 120 comprises in the vicinity of the cradle 123, to take up the yarn 120 to the package 130 while traversing the yarn 120 by the traversing device 170 possible it is. The slightly upstream of the traverse portion guide plate 128 is provided. Guide plate 128 guides the upstream side of the yarn 120 to traverse portion. The further upstream of the guide plate 128, a traverse fulcrum 127 of the ceramic is provided. Traverse device 170 as a fulcrum the traverse fulcrum 127, thereby traversing the yarn 120.
[0063]
　The cradle 123 is configured to be rotatable about the rotary shaft 148. Cradle 123, an increase in yarn layer diameter of the package 130 due to the winding of the yarn 120 to the winding bobbin 122, is absorbed by rotation. The cradle 123, the rotational speed sensor 124 for measuring the rotational speed of the package 130 is provided.
　The cradle 123, the package driving motor 141 composed of a servo motor is mounted. Package driving motor 141, the winding bobbin 122 was rotated, winding the yarn 120 to the winding bobbin 122. Package driving motor 141, the package 130 (winding bobbin 122) can be rotated at a normal rotation for rotating the take-up direction. Also, the package driving motor 141, the winding direction can be rotated at a reverse rotation to rotate the package 130 in a counter-winding direction in the opposite direction. The motor shaft of the package driving motor 141, when brought into supporting the winding bobbin 122 to the cradle 123, and is connected to the take-up bobbin 122 and relative rotation.
[0064]
　Operation of the package driving motor 141 is controlled by a package driving control section (not shown). Package driving control section (not shown) controls the operation and stop of the package driving motor 141 receives the operation signal from the unit controller 150.
　Traverse device 170 includes, as shown in FIG. 22, the traverse driving motor 176, and the output shaft 177, a traverse arm 174.
[0065]
　Traverse driving motor 176 is a motor for driving the traverse arm 174, and is composed of a servo motor or the like. Operation of the traverse driving motor 176 is controlled by the traverse control section (not shown).
　Traverse control section (not shown) is constituted by hardware such as with dedicated microprocessor, receives signals from the unit control section (not shown) for controlling the operation and stoppage of the traverse driving motor 176. Power of the traverse driving motor 176, as shown in FIG. 22, through the output shaft 177 is transmitted to the base end of the traverse arm 174. By the rotor of the traverse driving motor 176 forward and reverse rotation, the traverse arm 174 makes a reciprocating pivoting motion in the winding width direction of the package 130.
[0066]
　The distal end portion of the traverse arm 174, as shown in FIG. 22, the yarn guide section 173 of the hook shape is formed. Traverse arm 174 can guide the yarn 120 by the yarn guide section 173. By the traverse arm 174 in a state where the yarn guide section 173 guides the yarn 120 makes a reciprocating turning motion, it is possible to traverse the yarn 120.
　In this embodiment, the traverse control section (not shown) that controls the traverse driving motor 176, the traverse arm 174 traverses the yarn 120. This control operation, it is possible to form a package 130 of stepped as in the first embodiment.
[0067]
4. Other embodiments
　have been described above plurality of embodiments of the present invention, the present invention is not limited to the above embodiments, and various modifications are possible without departing from the scope of the invention. In particular, several embodiments and variations written herein can be combined arbitrarily as needed.
　Package shape may be a cone-shaped (frusto-conical), may be a cheese shape (cylindrical shape).
[0068]
　The number of the guide levers in the first embodiment is a two, had produced a stepped package three stages, the number of the guide lever is not limited. For example, a single number of the guide lever may be manufactured stepped package two stages. Or, the number of the guide lever may be three or more.
　Although the number of the guide levers in the first embodiment is disposed at the restricting position at a time was one, the number is not limited. For example, the number of guide lever that moves the restricting position at a time may be two. In that case, the swing width of the yarn is limited to between the two guide levers.
　The present invention is applicable air spinning machine, to open-end spinning machine.
Industrial Applicability
[0069]
　The present invention can be widely applied packages, methods package manufacturing, and yarn winding device.
DESCRIPTION OF SYMBOLS
[0070]
1: Automatic winder
2: yarn winding unit
3: supplying bobbin
4: yarn
5: traverse drum
6: empty tube
7: Package
7A: first stage
7B: second stage
7C: Third stage
8: Cradle
9: traverse groove
10: rotational shaft
11: tray
14: yarn splicing device
15: yarn clearer
16: cutter
17: lower yarn sucking, catching guide mechanism
17a: through pipe
19: air intake port
20: upper yarn sucking, catching guide mechanism
20a: pipe
22: suction mouth
24: waxing device
25: cleaning pipe
41: package driving mechanism
43: traversing formation mechanism
45: first driving mechanism
47: second driving mechanism
50: the unit control section
51: first yarn layer
53: second yarn layer
55: third plies
59: rotation sensor
61: winding width adjusting device
63: first guide lever
65: second guide lever
71: traverse forward
73: traverse return
75: first intersection
77: second intersection

WE claims

[Requested item 1]
　And winding body in the initial step is no and ends flangeless,
　and a yarn wound around the winding body,
　said yarn has a first portion, a longitudinal of the winding body with respect to said first portion yarn layer than the first portion arranged in the direction is a second portion of larger diameter,
　the yarn is first from the reference end wound around the first portion and the second portion in the first width have one and the thread layer, are laminated alternately with the first yarn layer, and a second yarn layer wound only in the second part by the shorter than the first width a second width from said reference end there,
the package.
[Requested item 2]
　The first yarn layer, said toward the second portion of the stepped portion from the first portion of the second thread layer covers continuously, a package according to claim 1.
[Requested item 3]
　The yarn is a yarn layer than the second portion aligned in the longitudinal direction of the winding body with respect to said second portion has a third portion of the large diameter,
　the yarn, the first yarn layer and It is alternately stacked and the second thread layer, and a third yarn layer wound only in the third portion by the shorter than the second width third width from the reference edge, claim 1 or package according to 2.
[Requested item 4]
　The first yarn layer, the second plies, the traverse count of the third yarn layer, 2: 3: 4 ratio, package according to claim 3.
[Requested item 5]
　The first yarn layer, the second plies, drum wind number for forming the third yarn layer, 2.5 W: 2.0 W: is 1.5 W,
　the first yarn layer, the second thread layer, the width of the third yarn layer is 6 inches: 4 inches: 3 inches package of claim 4.
[Requested item 6]
　The first yarn layer, the second plies, the traverse count of the third yarn layer, 1: 2: 2 ratio, package according to claim 3.
[Requested item 7]
　The first yarn layer, the second plies, drum wind number for forming the third yarn layer, 2.0 W: 1.5 W: is 1.5 W,
　the first yarn layer, the second thread layer, the width of the third yarn layer, four inches: 3.8 inches: 3 inches package of claim 6.
[Requested item 8]
　A method of manufacturing a package having a yarn wound across the flange-less winding body,
　the steps of winding a first thread layer to the winding body,
　longitudinally in said first yarn layer of the winding body a step of winding a second yarn layer in a shorter range,
by repeating the alternating, a first portion aligned in the longitudinal direction of the winding body, arranged in the longitudinal direction of the winding body with respect to the first portion in forming the yarn layer and a second portion of larger diameter than the first portion,
the package manufacturing method.
[Requested item 9]
　A winding section,
　and a control unit for executing the package manufacturing method according to claim 8 wherein the winding section
yarn winding apparatus having a.
[Requested item 10]
　The winding unit includes
　a rotation support portion to which the winding body is mounted,
　is intended to guide the yarn to the winding body, a yarn guide section having a traverse drum,
　the rotation axis direction of the traverse drum and a non-restricting position for guiding the yarn in a wide swing width to the traverse drum by not restricting the yarn movable position of the regulatory movable position of the yarn in the axial direction of the traverse drum the yarn wherein a regulating position for supplying the yarn in a narrow width traverse drum being movable between, different traverse groove of the traverse drum and the non-restriction position and the restriction position by induces includes a lever member,
　the control unit executes a step of winding said first thread layer by placing said lever member to said non-restricting position, said lever member in said restricting position performing the step of winding the second thread layer by arranging, according Yarn winding device according to 9.
[Requested item 11]
　Said lever member includes a plurality of lever members which are provided corresponding to the rotation axis at different positions of the traverse drum, the yarn winding apparatus according to claim 10.