Abstract:
This textile machine 1 is provided with: a plurality of winding units 2; a contact device 34 that can be moved from a contact position P4, at which the contact device 34 is in contact with a package P, to a standby position P3, at which the contact device 34 is spaced apart from the package P; a driving unit 44 for moving the contact device 34 between the contact position P4 and the standby position P3; a carriage 3 having a first detecting unit 50 for detecting a capturing position 28, at which a thread Y is captured from the package P, and the original position of the contact device 34; and a control unit 15 that adjusts the contact position P4, and controls the driving unit 44 so that the contact device 34 is moved a predetermined distance from the original position detected by the first detecting unit 50 and is positioned at the contact position P4 after the adjustment.
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Notices, Deadlines & Correspondence
Technical field
[0001]
The present disclosure relates to a textile machine.
BACKGROUND
[0002]
As a conventional textile machinery, for example, it has been known textile machines described in Patent Document 1. Textile machine according to Patent Document 1 includes a yarn splicing device for performing yarn splicing operation, a capture device for guiding the yarn splicing device captures the yarn package formed by the winding unit, the contact position in contact with the package and a, a package plate is movable to a standby position away from the package. The textile machine according to Patent Document 1, by changing the contact position between the package and the package plate according to the diameter of the package, was adjusted so that the distance between the capturing part of the package and the capture device are the same ing.
CITATION
Patent Document
[0003]
Patent Document 1: JP 2001-139230 JP
Summary of the Invention
Problems that the Invention is to Solve
[0004]
Package formed by the textile machine, yarn type, density, etc. are different for each lot. Package, yarn type, the density may vary, may also differ its surface condition. The success of catching the yarn by the capture device, not only the distance between the capturing part of the package and the capture device may also depend on the surface condition of the package. Therefore, in order to improve the acquisition accuracy of the yarn by the capture device, the distance between the capturing part of the package and the capture device, it is necessary to appropriately adjusted according to the characteristics of the package.
[0005]
One form of the present disclosure is intended to provide a textile machine thereby improving the acquisition accuracy of the thread by the capture device.
Means for Solving the Problems
[0006]
Textile machine according to one embodiment of the present disclosure includes a yarn supplying section supplies a yarn, a plurality of winding each and the winding device for forming a package by winding a yarn supplied, a has from the yarn supplying section capturing a unit, and the contact device is movable into a waiting position away from the contact position and the package contacts the package, and a drive unit for moving the contact device between a contact position and the standby position, the yarn from the package a capture device for a carriage having a first detector, the detecting the home position of the contact device to adjust the contact position, adjusted by a predetermined distance moves the contact device from the detected original position by the first detector and a control unit for controlling the driving unit so that the contact device in the contact position is located after.
[0007]
The textile machine according to an embodiment of the present disclosure, the control unit adjusts the contact position of the contact device and the package. Package position is adjusted by contact with the contact device. Therefore, in the textile machine, by adjusting the contact position in accordance with the characteristics of the package, the distance between the catching part and the package of the capture device can be adjusted to the optimal distance in order to catch the yarn. Since the contact device can be moved a predetermined distance from the original position as described above, it is possible to accurately position the contact device to the contact position. Accordingly, the textile machine, thereby improving the acquisition accuracy of the thread by the capture device.
[0008]
In one embodiment, textile machine comprises a plurality of carriages, an operation unit for accepting an input for the operation of the contact device, the control unit on the basis of the contents inputted in the operation unit, a plurality of carriages the contact position of each of the contact device may be adjusted. In this configuration, it can be adjusted by the operator of the operation, simultaneously a contact position of each of the contact device of the plurality of carriages. Accordingly, the textile machine, it is possible to adjust the contact position efficiently.
[0009]
In one embodiment, the operation unit receives an input of information relating to a predetermined distance of the contact device, the control unit may adjust the contact position based on information relating to a predetermined distance. Accordingly, the textile machine, by operation of the operator can adjust the contact position.
[0010]
In one embodiment, the operation unit receives an input of information relating to failure of the capture yarn catching device, the control unit may adjust the contact position based on the information relating to failure of acquisition of the yarn. In this configuration, at failure of many contact position of the capture of the yarn it can be avoided that the catching of the yarn is repeated. Accordingly, the textile machine, thereby improving the acquisition accuracy of the thread by the capture device.
[0011]
In one embodiment, textile machine includes a storage unit for storing the contact position of the contact device in each package lot, the controller, on the basis of the contact position are stored in the storage unit, and controls the drive unit it may be. In this configuration, for each lot, it can be adjusted to an optimum distance the distance between the catching part and the package of the capture device.
[0012]
In one embodiment, textile machine includes a storage unit for storing the contact position of the contact device, the storage unit stores the failure to such information acquisition of the thread by the capture device, the control unit is stored in a storage unit it may be adjusted contact position based on the information that is. In this configuration, information relating to failure of acquisition (e.g., the rate of failures, number of failures) for adjusting the contact position based on, can be appropriately set a contact position where catching yarns may succeed. Accordingly, the textile machine, the distance between the catching part and the package of the capture device can be adjusted to an optimum distance.
[0013]
In one embodiment, the control unit, if the capture device fails to capture the yarn, by shortening or lengthening the distance than the predetermined distance for positioning the contact position when it fails to adjust the contact position it may be. In this configuration, it sets the contact position to a position other than the contact position when it fails to capture the yarn. Accordingly, the textile machine, the distance between the catching part and the package of the capture device can be adjusted to an optimum distance.
[0014]
In one embodiment, the control unit, if the capture device fails to capture the yarn, to adjust the contact position so that the distance is longer than the predetermined distance for positioning the contact position when it fails, the contact If the capture device fails to capture the yarn in position, distance than the predetermined distance may be adjusted to the contact position so as to be shorter in order to position to the contact position. The distance between the catching part and the package of the capture device is too close, there is a risk that turbulence is generated in the surface of the package (the surface layer). Therefore, in the textile machine, initially increase the distance between the catching part and the package of long to capture device a predetermined distance, then the distance between the catching part and the package of the capture device by shortening a predetermined distance the continue to shorten. Accordingly, the textile machine, while avoiding that the turbulence is generated in the surface of the package, the distance between the catching part and the package of the capture device can be adjusted to an optimum distance.
[0015]
In one embodiment, the control unit controls the driving unit so that a predetermined distance is shortened in accordance with the increase of the diameter of the package, when it is input in the operation unit, even if the diameter of the package increases predetermined distance may adjust the contact position to be longer. Usually, the textile machine, the diameter of the package increases, shortening the moving distance of the contact device. In the textile machine, when the operation by the operator is performed, usually behave differently from, adjusts the contact position of the contact device. This allows appropriately adjusting the contact position.
[0016]
In one embodiment, the control unit, after the home position of the contact device is detected by the first detector, the predetermined distance the contact device may control the drive unit to move from the home position. In this configuration, it is possible to accurately move the contact device to the contact position.
[0017]
In one embodiment, the control unit may wait a contact device at the home position detected by the first detector. In this configuration, the standby position of the contact device is a home position. Therefore, the drive unit, the contact device may be moved between the contact position and the home position. Therefore, it attained the simplification of control.
[0018]
In one embodiment, the drive unit is a stepping motor, the control unit, the number of pulses to be output to the drive unit may adjust the predetermined distance of the contact device. In this configuration, it is possible to accurately move the contact device.
[0019]
In one embodiment, the carriage is, the contact device may be provided with a second detector for detecting that it has moved toward the contact position from the standby position. In this configuration, it can be detected that the contact device is moved toward the contact position. When the contact device is not detected by the second detection unit (contact with another object, a failure or the like) something malfunction in the contact device which may have occurred. Therefore, for example, it becomes possible to notify the operator that trouble occurs in the contact device, quickly perform the return from malfunction.
[0020]
In one embodiment, the contact device has the detection object can be detected is provided by the first detector and the second detector, second detector, than the first detection unit, the winding apparatus are arranged in close position, the first detection unit detects that the contact device by detecting the object to be detected is positioned at the home position, the second detection unit, detecting the detected member it may detect the movement of the contact device by. In this configuration, the contact device can be detected and when positioned in the home position, with a simple configuration the movement of the contact device.
[0021]
In one embodiment, the control unit, based on the diameter of the package, may be adjusted contact position. In this configuration, the distance between the catching part and the package of the capture device when capturing the yarn package by the capture device, depending on the diameter of the package can be adjusted to an optimum distance.
[0022]
In one embodiment, the control unit includes a case where the diameter of the package is less than the predetermined value, in a case where the diameter of the package is equal to or greater than a predetermined value, may change the method of adjusting the contact position. In this configuration, depending on the diameter of the package can be properly adjusted contact position. Accordingly, the distance between the catching part and the package of the capture device can be adjusted to an optimum distance.
[0023]
In one embodiment, the control unit, when the diameter of the package if it is less than the predetermined value, the predetermined distance by adjusting the contact position to be the same, the diameter of the package is greater than the predetermined value, predetermined distance in response to an increase of the diameter of the package may be adjusted a contact position so that linearly or stepwise shorter. Thus, it is possible to simplify the control by the control unit.
Effect of the invention
[0024]
According to one aspect of the present disclosure, thereby improving the acquisition accuracy of the thread by the capture device.
BRIEF DESCRIPTION OF THE DRAWINGS
[0025]
[1] Figure 1 is a front view of a spinning machine according to an embodiment.
FIG. 2 is a side view of the spinning machine shown in FIG.
FIG. 3 is a diagram showing a configuration of a spinning machine.
[4] FIG. 4 is a timing chart showing the operation of the spinning machine.
FIG. 5 is a diagram for explaining the operation of the spinning machine.
FIG. 6 is a diagram for explaining the operation of the spinning machine.
[7] FIG. 7 is a diagram for explaining the operation of the spinning machine.
[8] FIG. 8 (a), the FIGS. 8 (b) and 8 (c) is a diagram showing the location of the package and the suction mouth.
DESCRIPTION OF THE INVENTION
[0026]
Hereinafter, with reference to the accompanying drawings, it will be described in detail preferred embodiments of the present invention. The same reference numerals are assigned to the same or corresponding elements in the description of the drawings, and redundant description will be omitted.
[0027]
As shown in FIG. 1, a spinning machine (textile machine) 1 includes a plurality of spinning units (winding unit) 2, a yarn splicing cart (carriage) 3, and doffing cart (not shown), the first end It includes a frame 4, a second end frame 5. A plurality of spinning units 2 are arranged in a row. Each of the spinning units 2 are wound into the package P to generate the yarn Y. Doffing carriage, if the package P in a certain spinning unit 2 becomes fully wound, the package P is doffed, and supplies a new bobbin B to the spinning unit 2.
[0028]
The first end frame 4, the recovery apparatus and the like are housed to recover fiber waste and lint and the like generated in the spinning unit 2. The second end frame 5 supply, air supply unit for supplying air to each part of the spinning machine 1 by adjusting the air pressure of compressed air supplied to the spinning machine 1 (air), and the power to each section of the spinning units 2 drive motor or the like is accommodated for. The second end frame 5, a frame control device (control unit) 15, a display screen 16, an input key (operation unit) 17 is provided. Frame control device 15 includes a storage unit 15A, to centrally manage and control each unit of the spinning machine 1. Display screen 16 may display information concerning settings and / or conditions of the spinning unit 2. Operator by performing the appropriate operation using the input keys 17, it is possible to perform configuration tasks spinning unit 2.
[0029]
Each of the spinning units 2 includes, in order from the upstream side in the running direction of the yarn Y, a draft device 6, a pneumatic spinning device (yarn supplying portion) 7, a yarn monitoring device 8, a tension sensor 9, a yarn accumulating device 11, a waxing device 12, and a winding device 13, the. Unit controller 10 is provided for each spinning unit 2 of a predetermined number, to control the operation of the spinning unit 2.
[0030]
Draft device 6, to draft the sliver (fiber bundle) S. Air spinning device 7 generates the yarn Y by applying twists by the swirling flow of air in the fiber bundle F drafted by the draft device 6. More particularly (but not shown), an air spinning device 7 includes a spinning chamber, a fiber guide section, and a swirl air flow generating nozzle, a hollow guide shaft body, a. Fiber guide section guides the fiber bundle F fed from the upstream side of the draft device 6 in the spinning chamber. Swirling air flow generating nozzle is arranged around the path the fiber bundle F travels. By air is injected from the swirl air flow generation nozzles, swirling air flow is generated in the spinning chamber. This swirling air flow, the fiber ends of a plurality of fibers forming the fiber bundle F is pivoted been inverted. Hollow guide shaft guides the yarn Y from the spinning chamber to the outside of the pneumatic spinning device 7.
[0031]
Yarn accumulating device 11, between the pneumatic spinning device 7 and the winding device 13, taking the slack of the yarn Y. Waxing device 12, between the yarn accumulating device 11 and the winding device 13, it imparts a wax to the yarn Y.
[0032]
The winding device 13, the yarn Y wound around the bobbin B to form a package P. Winding device 13 includes a cradle arm 21, a winding drum 22, and a traverse guide 23. Cradle arm 21 rotatably supports a bobbin B. Cradle arm 21 is swingably supported by the support shaft 24 is contacted with an appropriate pressure to the surface or the winding surface of the package P surface of the drum 22 of the bobbin B. A driving motor provided in the second end frame 5 (not shown) drives the winding drum 22 of a plurality of spinning units 2 simultaneously. Thus, in each of the spinning units 2, a bobbin B or a package P is rotated in the winding direction. The traverse guide 23 of each of the spinning units 2 is provided on a shaft that is shared by a plurality of spinning units 2 (not shown). By driving the motor of the second end frame 5 is reciprocally driven shaft in the rotation axis direction of the winding drum 22, the traverse guide 23 traverses the yarn Y at a predetermined width with respect bobbin B or a package P rotated.
[0033]
Yarn monitoring device 8, between the pneumatic spinning device 7 and the yarn accumulating device 11 monitors the information of the traveling yarn Y, to detect the presence or absence of faults on the basis of the monitoring information. Yarn monitor apparatus 8, when detecting a yarn defect and transmits a yarn defect detection signal to the unit controller 10. Tension sensor 9 between the pneumatic spinning device 7 and the yarn accumulating device 11, the tension of the yarn Y traveling measured, transmits the tension measurement signal to the unit controller 10. If the unit controller 10 based on a detection result of the yarn monitoring device 8 and / or the tension sensor 9 determines that there is abnormality in the spinning unit 2, the yarn Y is cut.
[0034]
In the spinning unit 2, the pneumatic spinning device 7 are disposed above the winding device 13. Thus, the yarn Y is in the height direction of the spinning unit 2, travels from the upper side toward the lower side. However, the traveling direction of the yarn Y is not limited to this direction. For example, the winding device 13 by placing above the pneumatic spinning device 7, the yarn Y may be traveling from the lower side to the upper side.
[0035]
The yarn splicing cart 3, or yarn Y is cut at a certain spinning unit 2, if the cut or the yarn Y for any reason, performs a yarn splicing operation in the spinning unit 2. The yarn splicing cart 3, a single in the spinning machine 1 or a plurality (e.g., less than 8 units two or more) is provided. In the present embodiment, the yarn splicing cart 3 is provided a plurality. The yarn splicing cart 3 travels along the arrangement direction of the spinning units 2 (the left-right direction in FIG. 1). The yarn splicing cart 3, as shown in FIG. 1, the wheels by the travel motor 18 is running by being driven.
[0036]
As shown in FIG. 2, the yarn splicing cart 3 includes a yarn splicing device 26, a suction pipe 27, a suction mouth (catching device) 28, a yarn guide 33, the package plate (contact device) 34, the reverse rotation It has a device 35, the. As shown in FIG. 3, the yarn splicing cart 3 includes a first driver 40 for driving the suction pipe 27, the second driving unit 41 for driving the suction mouth 28, a third drive for driving the yarn splicing device 26 and parts 42, a fourth driver 43 which drives the yarn guide 33, and a fifth driving unit 44 which drives the package plate 34, the sixth drive unit 45 that drives the reverse rotation device 35, the. Frame control device 15 includes a first driving unit 40, and the second driving unit 41, a third drive unit 42, and the fourth driver 43, a fifth driving unit 44, the sixth drive unit 45, the Control.
[0037]
The yarn splicing device 26 performs a yarn splicing of the first yarn Y1 is guided (see FIG. 8) and the second yarn Y2 (see FIG. 8). The yarn splicing device 26, a splicer using compressed air, or the yarn Y is knotter or the like mechanically splicing. The yarn splicing device 26 by the yarn Y from the package P is conveyed backward to the pneumatic spinning device 7 to start the spinning operation of the draft operation and pneumatic spinning device 7 of the draft device 6, there in Pisa splicing the yarn Y it may be. In the present embodiment, it will be described as an example the splicer. The yarn splicing device 26 includes a yarn splicing section 26a, a support 26b, and the rail 26c, a motor 26 d, a.
[0038]
The yarn splicing unit 26a, first solution for untwisting the yarn splicing nozzle splicing a second yarn Y2 that has been pulled out from the first yarn Y1 and the package P pulled out from the pneumatic spinning device 7, the yarn end of the first yarn Y1 twisting pipes, second Kai燃 pipe that sear solution the yarn end of the second yarn Y2, the first clamping portion for clamping the first yarn Y1, a second clamping portion for clamping the second yarn Y2, regulating the first yarn Y1 the first yarn handling lever and the first yarn presser lever, and has a second yarn handling lever and the second yarn presser lever or the like for regulating the second yarn Y2 (all not shown). Motor 26d, the first yarn handling lever, the second yarn handling lever, a drive source of the first yarn holding lever and the second yarn presser cam mechanism for operating the lever.
[0039]
Support 26b supports the yarn splicing section 26a. Support 26b is slidably mounted to the rail 26c. Rail 26c is fixed to the housing of the yarn splicing cart 3, and extends in a direction substantially perpendicular to the traveling direction and the vertical direction of the yarn splicing carriage 3.
[0040]
In the yarn splicing device 26, by operation of the third drive unit 42, a yarn splicing section 26a supported by the support member 26b is moved along the rails 26c. The yarn splicing unit 26a, the yarn splicing position for a yarn splicing operation (see FIG. 8), the standby position is not performed the yarn splicing operation (see FIG. 2), to move to. Third drive unit 42 is, for example, a single-acting cylinder. One end of the single-acting cylinder is a third drive unit 42 is connected to the support 26b, the other end of the single-acting cylinder is fixed to the housing of the yarn splicing carriage 3.
[0041]
Suction pipe 27 is supported rotatably by the supporting shaft 31, and guides to catch the first yarn Y1 from the pneumatic spinning device 7 to the yarn splicing device 26. Suction pipe 27, a standby position P11, the guides first thread catching position to capture the first yarn Y1 from the pneumatic spinning device 7 P12 (see FIG. 6), the first yarn Y1 to the yarn splicing device 26 1 a yarn guide position P13 (see FIG. 8), are movable in. Suction pipe 27 by the operation of the first drive unit 40 is moved to the standby position P11, the first thread catching position P12 and the first yarn guide position P13. The first driving unit 40 is a motor.
[0042]
The suction mouth 28 is rotatably supported by a pivot 32, guided to the yarn splicing device 26 to capture the second yarn Y2 from the winding device 13. The suction mouth 28 has a catching portion 28a for catching the second yarn Y2, and a support portion 28b for movably supporting the catching portion 28a, a. Catching portion 28a is provided on the distal end of the support portion 28b (the tip of the suction mouth 28). Acquisition unit 28a is a suction port provided at the distal end of the support portion 28b (the tip of the suction mouth 28). Suction port when the suction mouth 28 is positioned in the second thread catching position P22, the suction port so as to face the surface of the package P, is provided on the catching portion 28a.
[0043]
The suction mouth 28 includes a standby position P21, the second guiding second thread catching position to capture the second yarn Y2 from the winding device 13 P22 (see FIG. 6), the second yarn Y2 to the splicing device 26 a yarn guide position P23 (see FIG. 7), is provided movably in. The suction mouth 28, by the operation of the second driving unit 41 moves the position P21, the second thread catching position P22 and the second yarn guide position P23 wait. The second drive unit 41 is, for example, a motor (stepping motor).
[0044]
Yarn guide 33 regulates the position of the yarn Y in the direction perpendicular to the running direction of the yarn Y. Yarn guide 33 is positioned between the yarn splicing device 26 and the package P. Yarn guide 33 has a regulating plate 33a, a pair of regulating bar 33b, a. One end of regulation plate 33a is connected to the support shaft. Thus, regulation plate 33a is swingable about the shaft.
[0045]
As shown in FIG. 5, a pair of restriction bar 33b is disposed on the regulatory plate 33a. One end of each of the pair of regulating bar 33b is connected to a support shaft provided in the regulations plate 33a. Thus, a pair of restriction bar 33b can be by actuation of a driving source (not shown) pivots about the pivot shaft. Each of the pair of regulating bar 33b, swings in the direction of separation of closely spaced directions and mutually close to each other. In the position where the pair of regulating bar 33b comes close, the pair of restricting bar 33b is extend parallel to one another. At this time, the yarn Y is restricted by the pair of restriction bar 33b is positioned substantially at the center in the width direction of the package P.
[0046]
Yarn guide 33 is moved by the swinging of the regulating plate 33a, regulating the position regulating plate 33a overlaps the yarn path (see FIG. 5), a standby position regulating plate 33a does not overlap the yarn path (see FIG. 2), the to be able to are provided. Restricting position, as the yarn Y is not traversed by the traverse guide 23, it is a position for restricting the yarn Y. Regulating plate 33a, when viewed in side as shown in FIG. 2, by swinging, the position of the tip is moved back and forth relative to the yarn path. Yarn guide 33, by operation of the fourth drive unit 43, moves to the restricting position and the standby position. Fourth driver 43 is, for example, a cylinder.
[0047]
Package plate 34 for positioning of the package P by pressing the package P supported by the winding device 13. Package plate 34, by frictional contact during the winding interruption of the package P to the package P spaced from the winding drum 22, it is possible to brake the package P (deceleration stop the inertial rotation of the package P). Braking time of the package P, i.e. the time of contacting the package plate 34 to the package P length can be appropriately set depending on the diameter of the package P. Package plate 34 has a support arm 34a, and the contact plate 34b, a. One end of the support arm 34a is connected to the support shaft. Thus, the support arm 34a can be swung about the support shaft. The contact plate 34b is provided on the other end of the support arm 34a. The contact plate 34b is a plate member having a surface in contact with the package P.
[0048]
Package plate 34, the rocking of the support arm 34a, the contact plate 34b is not in contact with the package P standby position (home position) P3 (see FIG. 2), the contact position P4 (FIG contact plate 34b is in contact with the package P 5 reference), it is movable in. Package plate 34, by the operation of the fifth drive unit 44 is moved to the standby position P3 and the contact position P4. Fifth driving unit 44 is, for example, a stepping motor. Fifth driving unit 44 is a package plate 34 driving source only. Therefore, the package plate 34, the other device can be operated independently. The fifth driving unit 44, the deceleration pulley and belt (not shown) is provided. Thus, when the package plate 34 is in contact with the package P, it can be avoided fifth driving unit 44 is out-of.
[0049]
The package plate 34, is provided with the detected member 34c. In the present embodiment, the detected member 34c is disposed on the support arm 34a of the package plate 34. Detected member 34c is, for example, magnets. The yarn splicing cart 3 includes a first detector 50 for detecting a detection object 34c, and the second detector 52. First detector 50 and second detector 52, for example, a magnetic sensor (Hall IC).
[0050]
First detector 50, when the package plate 34 is located at the standby position P3, is disposed at a position to detect the detection object 34c. In the present embodiment, the standby position of the package plate 34 is a home position of the package plate 34 detected by the first detection unit 50. The second detector 52 than the first detection unit 50 is disposed at a position closer to the winding device 13. The second detector 52, when the package plate 34 moves toward the contact position P4, is arranged at a position to detect the detection object 34c. First detector 50 and second detector 52, when detecting the object to be detected 34c, and outputs a detection signal to the frame control device 15.
[0051]
Reverse rotation device 35 reversely rotates the package P of the winding device 13. Reverse rotation device 35 includes a support arm 35a, and the reverse roller 35b, a. One end of the support arm 35a is connected to the support shaft. Thus, the support arm 35a can be swung about the support shaft. Reversing roller 35b is provided on the other end of the support arm 35a. Reversing roller 35b is by a not-shown driving source (motor), the winding drum 22 of the winding device 13 to rotate in opposite directions.
[0052]
Reverse rotation device 35, the oscillation of the support arm 35a, a standby position reversing roller 35b does not contact the package P (see FIG. 2), a contact position where the reversely rotatable roller 35b is in contact with the package P (see FIG. 7), to move to. Reverse rotation device 35, by the operation of the sixth drive unit 45 is moved to the standby position and the contact position. The sixth drive unit 45 is a motor.
[0053]
Next, the operation of the yarn splicing cart 3 will be described with reference to FIG. The movement of each part of the yarn splicing cart 3, FIG. 2, refer to FIGS. 5-7. In the following description, operation of the drive unit is controlled based on a control signal transmitted from the frame control device 15.
[0054]
When yarn breakage or cutting occurs in one spinning unit 2, the frame control device 15 transmits a control signal for moving the yarn splicing cart 3 to the spinning unit 2 of the one in the yarn splicing cart 3. The yarn splicing cart 3 receives the control signal, travels to the spinning unit 2 of the one, the travel motor 18 in front of the one of the spinning unit 2 has stopped operating, stopping the travel. In the spinning unit 2, it is moved in a direction away cradle arm 21 of the winding apparatus 13 from the winding drum 22, to separate the package P and the winding drum 22.
[0055]
Next, the yarn guide 33 and the package plate 34 is operated at the same timing. Fourth driver 43 operates before or stop when the yarn splicing cart 3 is stopped to move the yarn guide 33. Yarn guide 33 moves from the standby position to the regulating position, and stops at the restriction position. At this time, each of the pair of regulating bar 33b of the yarn guide 33 are separated from each other.
[0056]
Fifth driving unit 44 before or stop when the yarn splicing cart 3 is stopped, i.e. operating at the same timing as start of operation of the fourth driver 43 to move the package plate 34. Package plate 34 is moved from the standby position P3 to the contact position P4, and stops at a contact position P4. Specifically, the frame control device 15 reads out information indicating a contact position P4 corresponding to the diameter of the lot and the package P from the storage unit 15A. Then, for positioning the package plate 34 to the contact position P4 indicated by the information, the frame control device 15, first as a package plate 34 from the standby position P3 detected by the first detection unit 50 is moved by a predetermined distance 5 controls the driving unit 44. Diameter of the package P is determined based on the length of the yarn Y wound into the package P (fixed length).
[0057]
In the present embodiment, the frame control device 15 controls the number of pulses to be output to the fifth driving unit 44 is a stepping motor, it moves the package plate 34 from the standby position P3 by a predetermined distance. Frame control device 15, after no longer detected the detected body 34c in the standby position P3, determines that the detected member 34c is when it is detected by the second detection unit 52, the package plate 34 is moved to a contact position P4 to. Frame control device 15, when the no longer detected object to be detected 34c by the first detection unit 50, the detected member 34c by the second detection unit 52 has passed the predetermined time is not detected, abnormality in the package plate 34 notifying that has occurred (contact or the like with another object) to the operator (the display of text, the lighting of the lamp, and / or audible alarm generation, etc.).
[0058]
Then, the reverse rotation device 35 and the suction mouth 28 is the same timing is activated. The sixth drive unit 45 is activated when the package plate 34 is stopped at the middle or the standby position P3 returns to the standby position P3, to move the reverse rotation device 35. Reverse rotation device 35 is moved to the contact position from the standby position, and stops at the contact position. When the reverse roller 35b of the reverse rotation device 35 contacts the package P, the package P in the direction (unwinding direction) which is the second yarn Y2 unwound rotates.
[0059]
The second driving unit 41, when the package plate 34 is stopped in the middle or the standby position P3 returns to the standby position P3, i.e. operating at the same timing as start of operation of the reverse rotation device 35 to move the suction mouth 28. The suction mouth 28 is moved from the waiting position P21 to the second thread catching position P22, to capture the second yarn Y2 in the second thread catching position P22.
[0060]
The second driving unit 41 operates the second yarn Y2 is caught in the suction mouth 28, to move the suction mouth 28. The success of the acquisition of the second yarn Y2 in the suction mouth 28 is determined by the frame control device 15 based on the detection result of the sensor provided in the suction mouth 28 (not shown). The operation of the second driving unit 41, the suction mouth 28 moves from the second thread catching position P22 to a second yarn guide position P23, to guide the second yarn Y2 to the splicing device 26. The suction mouth 28, when guiding the second yarn Y2 to the splicing device 26, and stops at the standby position P21.
[0061]
Frame control device 15, when the suction mouth 28 and the second yarn Y2 is not captured, as the package plate 34 while rotating the package P by reverse rotation device 35 is located at the contact position P4 fifth driving unit 44 it may be controlled.
[0062]
The sixth drive unit 45 operates in the suction mouth 28 is stopped at the standby position P21, it moves the reverse rotation device 35. Reverse rotation device 35 is moved from the contact position to the standby position. Than this, the rotation of the package P is stopped. In this case, the frame control device 15, so that the contact plate 34b of the package plate 34 is positioned at the contact position P4, may control the fifth driving unit 44.
[0063]
Yarn guide 33, the suction mouth 28 is located at the second yarn guide position P23, to actuate the pair of regulating bar 33b. Specifically, moving in the direction in which the pair of regulating bars 33b are close to each other. Accordingly, the second yarn Y2 that has been captured by the suction mouth 28 is positioned by a pair of restriction bar 33b.
[0064]
Then, the suction pipe 27 is activated. The first driving unit 40, in the suction mouth 28 and the second yarn Y2 is caught, the suction mouth 28 is actuated when the swing to a predetermined position, move the suction pipe 27. Specifically, the frame control device 15, the second driving unit 41 be a stepping motor, based on the number of pulses to be output to the stepping motor, for detecting the position of the suction mouth 28. Frame control device 15 detects the position of the suction mouth 28, when the suction mouth 28 has reached the predetermined position, sends a control signal to the first driving unit 40.
[0065]
The operation of the first driving unit 40, the suction pipe 27 moves from the standby position P11 to the first yarn catching position P12, to capture the first yarn Y1 in the first thread catching position P12. The success of the acquisition of the first yarn Y1 in the suction pipe 27 is determined by the frame control device 15 based on the detection result of the sensor provided in the suction pipe 27 (not shown). The first driving unit 40 is actuated to capture the first yarn Y1 in the suction pipe 27, moves the suction pipe 27. Suction pipe 27 is moved from the first yarn catching position P12 to the first yarn guide position P13, to guide the first yarn Y1 to the yarn splicing device 26. Suction pipe 27, when guiding the first yarn Y1 to the yarn splicing device 26, and stops at the standby position P11.
[0066]
Next, the yarn splicing device 26 is activated. Frame control device 15 transmits a control signal to the third driver 42. Third drive unit 42, the timing at which the first yarn Y1 is caught in the suction pipe 27, timing suction pipe 27 starts to move to the first yarn guide position P13, or the first thread guide position of the suction pipe 27 P13 actuated during movement to move the yarn splicing section 26a. The yarn splicing section 26a moves from the standby position to the yarn joining position, and stops at the yarn splicing position. The yarn splicing section 26a is a yarn splicing position, a first yarn Y1 to the yarn splicing operation of the second yarn Y2 performed, the yarn splicing operation is completed, release the yarn Y.
[0067]
Thereafter, the third drive unit 42 is activated, the yarn splicing unit 26a is moved from the yarn splicing position to the standby position, and stops at the standby position. When the first yarn Y1 and the second yarn Y2 are spliced in the yarn splicing section 26a, a pair of restriction bar 33b of the yarn guide 33 is moved in the detaching direction. Thus, regulation of the yarn Y by the yarn guide 33 is released. Fourth driver 43 operates at a timing when the yarn splicing unit 26a is moved to the standby position, moving the yarn guide 33. Timing fourth driver 43 to operate is set appropriately in accordance with the timing at which the yarn splicing operation is completed in the yarn splicing section 26a. Yarn guide 33 is moved to the standby position from the regulating position. Thus, the yarn splicing operation by the yarn splicing cart 3 is completed. When the yarn splicing operation is completed, the frame control device 15, for example, transmits a control signal for moving the yarn splicing cart 3 to the next spinning unit 2 in the yarn splicing cart 3.
[0068]
The following describes a method of adjusting the contact position P4 of the package plate 34.
[0069]
Frame control device 15, on the basis of a preset calculation formula, the initial position of the contact position P4. Frame control device 15, for each lot of the package P, in accordance with the diameter of the package P, and set the contact position P4 of the package plate 34. Specifically, the frame control device 15 includes a case where the diameter of the package P is smaller than the predetermined value, in a case where the diameter of the package P is a predetermined value or more, the method of adjusting the contact position P4 (predetermined distance) change. In the present embodiment, the frame control device 15, when the diameter of the package P is less than the predetermined value, adjusts a contact position P4 so that a predetermined distance is the same, in diameter of the package P is equal to or higher than a predetermined value in some cases, the predetermined distance is adjusted a contact position P4 so as linearly or stepwise shorter depending on the increase in the diameter of the package P.
[0070]
Frame control device 15, for each lot, stores information indicating a contact position P4 that is the setting in the storage unit 15A. Storage unit 15A, for each lot, in association with a contact position P4 to the diameter of the package P. The storage unit 15A, as information indicating a contact position P4, the moving distance from the standby position P3 (predetermined distance) is stored. Frame control device 15 reads out the contact position P4 corresponding to the package P from the storage unit 15A, the contact position P4 as the package plate 34 is positioned, the number of pulses corresponding to the moving distance to the fifth driving unit 44 Output.
[0071]
Frame control device 15, when the suction mouth 28 fails to capture the second yarn Y2 at the contact position P4, to adjust the contact position P4. In the present embodiment, the frame control device 15, the suction mouth 28 when the acquisition of the second yarn Y2 fails more than a predetermined number of times, or within a predetermined time period, number of failed acquisition of the second yarn Y2 is successful If greater than the number, it adjusts the contact position P4. Predetermined number of times and / or predetermined period can be set by operating the input key 17 by the operator. The operator, in the input keys 17 to input (information relating to failure of acquisition of the second yarn Y2 of the suction mouth 28 for one contact position P4) a predetermined number of times and / or a predetermined time period. In the following description, the frame control device 15, and the suction mouth 28 to adjust the contact position P4 when the acquisition of the second yarn Y2 failed a predetermined number of times or more.
[0072]
Frame control device 15, when the suction mouth 28 in one contact position P4 failed a predetermined number of times or more acquisition of the second yarn Y2, then performs by suction mouth 28 captures the second yarn Y2, the contact position longer distance than the predetermined distance by moving the package plate 34 from the standby position P3 to be located P4, moves the package plate 34. That is, the frame control device 15, (a longer moving distance) Number Increase of pulses outputted to the fifth driving unit 44. For example, as shown in FIG. 8 (a), the suction mouth 28 is at the initial contact position P4 when the acquisition of the second yarn Y2 failed a predetermined number of times or more, the catching portion 28a and the package P of the suction mouth 28 the distance between is the distance D. Frame control device 15, increase the number of pulses to be output to the fifth driving unit 44, changes the contact position P4. Thus, as shown in FIG. 8 (b), the distance D1 between the catching portion 28a of the package P and the suction mouth 28 which is positioned in the package plate 34 located at the contact position P4 after the change, the distance longer than the D (D
Documents
Application Documents
#
Name
Date
1
201917010198.pdf
2019-03-15
2
201917010198-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [15-03-2019(online)].pdf
2019-03-15
3
201917010198-STATEMENT OF UNDERTAKING (FORM 3) [15-03-2019(online)].pdf
2019-03-15
4
201917010198-REQUEST FOR EXAMINATION (FORM-18) [15-03-2019(online)].pdf
2019-03-15
5
201917010198-PROOF OF RIGHT [15-03-2019(online)].pdf