1]The present invention relates to product molding method using a hot press-forming and the hydroforming apparatus and products.
BACKGROUND
[2]
When using a plate material to create components for automobiles there is a hot press forming can be used on.
[3]
The hot press forming is by rapid traverse and then heating the material at a constant temperature by mounting on a mold press, and cooled in a cool temperature of the mold at the same time as this molding product, a method that rigidity can create a given product.
[4]
Were made using the above-described method, for example, it mounted to briefly describe the process of making the automobile impact-absorbing member, heating the sheet of material from the heated to a constant temperature, and transferred to a lower mold in the press by this conveying device, and then, and by closing by lowering the upper die of the press forming, and at the same time cooling the preform in a lower mold and a machining shape on the upper die imparts the rigidity.
[5]
In order to apply a so preforms made of the actual vehicle, and a plurality of reinforcing material capable of absorbing impact eda part impacted be welded in the same way as welding. After that, to secure the shell to the reinforcing material is laminated article can be constructed to withstand the shock and external force.
[6]
However, in the above-described process it has a problem that the manufacturing time consuming excessive because it must joining a plurality of reinforcing material in the same way as the welding width pre-forming, so that the manufacturing cost increases.
[7]
Also, one should act to absorb the shock to reinforcing the impact is applied to the product applied to the vehicle floor to ensure safety, there is also the problem that reinforcement does not absorb external shocks and structural yeoseo boring.
Detailed Description of the Invention
SUMMARY
[8]
The present invention is a product of the projection or easily by rapidly molding than a product with a bead, a hot press that is capable of reducing the step and the time required for manufacturing reduce the cost of forming and the hydroforming are provided in, for example, reinforcing projections and the projecting portion there is the main object to provide a molding method and apparatus and a product.
Problem solving means
[9]
The method for forming products according to the invention, the heating step of heating the material; Mounting step of mounting the material on a lower mold; A first molding step of lowering the upper mold to the lower mold-forming the material, primarily; A second step of molding in a state wherein the upper mold is lowered by applying fluid pressure from the upper mold or the lower mold-forming the material 2 away; Characterized by including; and a cooling step of cooling the material.
[10]
Further, the product forming apparatus according to the present invention, and at least one molding groove is formed in the lower mold that material is seated; It is disposed over the lower mold an upper mold for pressing the material; And it characterized in that it comprises a punch that is provided in the upper die is inserted into the forming grooves of the lower mold to shape the material, discharging the pressurized filling material.
[11]
The products according to the invention, is made of steel, at least in part, the tissue in the martensitic portion second molded including the three-dimensional first the small size of 3 than that of the first molding part in the forming section dimension of characterized in that formed.
Effects of the Invention
[12]
According to the present invention as described above, hot press forming and thereby make the product used with the hydro-forming can be easily and quickly formed, so that the effect of reducing the cost by reducing the steps and time required for manufacturing.
[13]
Further, for example when producing the shock-absorbing member applied to the vehicle, being a projection or bead on the part to absorb the shock to be formed, to implement a structure in which the impact or external force can be absorbed to improve the safety effect is obtained.
Brief Description of the Drawings
[14]
1 is a view schematically showing the configuration of the molded product according to the present invention.
[15]
Figure 2 is an enlarged view showing parts of the filling material supply shown in Fig.
[16]
3 is an enlarged detail showing the configuration of the punch portion and the lower mold shown in Fig.
[17]
4 is a view showing a punch unit operating conditions.
[18]
5 is a view showing an operating state of the lower mold.
[19]
6 is a view schematically showing the configuration of the product forming process according to the invention.
[20]
7 is a view showing an example of a product formed using a product forming method and apparatus according to the present invention.
Best Mode for Carrying Out the Invention
[21]
Hereinafter, the invention will be described in detail through illustrative drawings. In addition as the reference numerals in the respective drawings of the component, as to the same elements even though shown in different drawings It should be noted that and to have the same reference numerals as much as possible. Further, in the following description of the present invention, a detailed description of known functions and configurations that are determined to obscure the gist of the present invention, the detailed description thereof will be omitted.
[22]
1 is a view schematically showing the configuration of the molded product according to the present invention.
[23]
The molded product according to the present invention is as shown, and at least one molding groove 101 is formed, the lower mold material 100 to be 10 is seated; The upper mold 200 which is placed on top of the lower mold presses the material; And it is installed on the upper die is inserted into the forming grooves of the lower mold to shape the material, and includes a punch unit 300 for discharging the pressurized filler material (20).
[24]
Product forming apparatus according to the present invention, a lower mold bottom base 110 so as to position the 100, the lower frame 120 is installed to dugoseo upright in the center of the base, it is provided perpendicularly to the upper portion of the frame operating rod 132 is connected with for example the operation unit 130, and the operation rod, such as a hydraulic cylinder seungha drop due to the operation rod may further include a moving plate (140).
[25]
The lower base (110) formed on at least one molding groove 101 is formed in the lower die 100 is placed, is installed on the operation rod 132 of the operation unit 130 seungha drop is below the moving plate 140, is the upper mold 200 is mounted, it is possible to open and close the mold can be made.
[26]
Figure 2 is an enlarged view showing parts of the filling material supply shown in Fig.
[27]
The molded product according to the present invention, as shown, may comprise a filling material supply portion 250 for supplying a filling material (20) to the punch member 300 and the pressing. This filling material supply section may be arranged without being interfering with the operation rod 132 of the operation unit 130 in the mobile plate 140.
[28]
Even when the second to the reference, the filler supply unit 250 includes a conveyance portion 270 which conveys the reservoir 260, is connected to the bottom of the reservoir is provided on the moving plate 140, the filling material for supplying a filling material (20), connected between the heating element 280, and the downstream punch unit 300 of the transfer part is provided so as to surround at least a part of the conveyance portion, and includes a pressing part 290 that presses the pressure-fed by the filling material portion punch.
[29]
The reservoir 260 is a member of the hopper shape that is capable of supplying is arranged on the upstream end, for example, the filling material 20 in a powdery or granular solid or a liquid transfer part 270. These resins have a melting point of the filler material can be employed, such as low metal.
[30]
Transferring portion 270 is mounted horizontally on the moving plate 140, the reservoir is the case 271, which serves as a passage for the transfer of communication is supplied to the filling material 20 to 260 is provided on the inside of the case the rotation is connected to the filling material in the inside of the case to the screw 272, and a screw for transferring may comprise a first motor 273 for rotating the screw.
[31]
Heating unit 280 that heats the interior of the transport unit 270, that is, the case 271, and uses the electrical energy as a heat source. You can use the heat generated when the tube electricity to the heating element provided in the heating part to heat the filling material 20 moving in the case by radiation, convection or conduction. The heating unit has the power supply is connected, is set up and control of temperature enables the control of the power.
[32]
If it is the filling material 20 is supplied to the solids from the reservoir 260, the heating element 280 may be melted by applying heat to the filler. A heating section filler when the filler is supplied to the liquid can serve to be able to maintain its molten state to a temperature.
[33]
The pressing portion 290 is reciprocating within a supply pipe 291, one end is in communication with the supply pipe the other end the pressure body 292, a pressing body which is communicated to the punching member 300 extends from the downstream-side other end of the transfer part 270 It may comprise, for example, the drive unit 294, such as a hydraulic cylinder for providing a driving force to the piston 293, and piston 293 to move to press the filling material 20 is introduced into the pressure body portion punch.
[34]
The outside of the feed pipe 291 or the pressing body 292 has a built-in heating element (not shown) that can be set at a high temperature. Accordingly, the melted filler 20 is able to continue to maintain the the molten state.
[35]
Piston 293 is preferably processed, for example a material such as a metal resistant to high temperature. In addition, the piston to close the connecting hole 295 of the pressure body 292, which is communicated to the state attached is formed to have a predetermined thickness, the piston pushes the filling material 20 into the punch unit 300, supply pipe 291, It is able to block the filler is no longer flowing into the pressure in the supply pipe main body.
[36]
3 is a punched part and the enlarged detail that shows the structure of the lower mold is also shown in Figure 1, Figure 4 is a view showing a punch unit operating state, Figure 5 is a view showing an operating state of the lower mold.
[37]
Product forming apparatus according to the invention as shown in these figures, it presses the material (10) secured to the lower die 100 toward the hot press forming, and the material which the first forming drive to the filling material 20 is fed It characterized by including the two hydro-punching unit 300 that can be implemented with the forming of molding car.
[38]
The punch unit 300 is in communication with the upper mold 200, the punch dies 310, a pressing portion 290 is inserted is provided in that the molding material 10 into the molding groove 101 of the lower mold 100 connector 320, in communication with the connection pipe being connected to the fill passage 330, and a filler passage formed in the punch die supply receiving the filling material (20, which is installed by passing through the deflecting plate 140 and the upper mold 200 ) the may include a discharge hole 340 extruding toward the material (10).
[39]
Punching die 310 may be integrally formed or installed on one side of the upper mold 200 is mounted below the moving plate 140. The punch die is presented there is more protruding than the surface of the upper die, the projection degree is granted it is may be differently designed according to the shape of the product. Punching die 310 by compression bonding of the material 10 in cooperation with the molding groove 101 of the lower mold 100, it is possible to the hot press forming. This makes it possible to drive a first molding part of the shape, for example, projections, etc. of the product.
[40]
In addition, the punching die 310 is formed in the filler passage 330 therein, is toward the outside by a filler passage based on a plurality of discharge holes 340 are machined. In the bottom of the punch die has a discharge hole can be processed. A filler passage and the outlet hole is provided by the filling material 20 from the punching die to a material 10 allows the hydroforming. Accordingly, it is possible to drive the two molded projections or beads or the like provided with the rest of the product shape, such as protrusions.
[41]
Connector 320 is a member for transmitting the filling material 20 is pressed in the pressing portion 290 to fill passageway 330 of the punch die (310), the mobile plate 140 and pass through the upper mold 200 after forming the through-holes are assembled to each pressing unit 292 and the punch die (310) on either side of the insert is connector therein, then connection pipe. Punching die when the upper mold is formed integrally, the assembly is when the pressure in the main body by inserting a connection pipe toward the moving plate, and then, the coupling pipe.
[42]
At least a portion of the coupling tube 320 has around the heating member 322 to continue to be maintained in a molten state without the filling material 20 is cured by heating.
[43]
Further, the product forming apparatus according to the present invention, surrounding the outer surface of the punch die 310 may include a guide ring 350 to move the punch of the die movement direction. The guide ring thickness so as to leave between the filling material 20, the molding groove 101 of the lower mold 100 in the space by a thickness of the buffer material and the punch die when formed by after damping of supplied from the punch die cure those having preferred.
[44]
In addition, the guide ring 350 is a through hole close to the upper die which, as projected from the upper mold 200 and, as shown in Figure 4 may be arranged to be inserted into the upper mold, the coupling pipe 320 inserted for this purpose as is to be inserted into groove 210 is formed.
[45]
Insertion groove 210, opening one end of the cover 220 to limit the open area is bonded, the guide ring 350 are formed or installed to correspond to the flange portion 352, the guide ring is separated from the insertion groove of it can be prevented that.
[46]
Between the insertion groove 210, the flange portion 352 of the other side wall and the guide ring 350 of the opening within, may be interposed a spring (360). Spring stiffness of the spring is a punch die 310 can be moved by overcoming the resistance of the material when pressing the material 10 along the guide ring die and punch, the filling material when the filling material 20 from the punching die to be supplied into the material the fluid pressure is mothayeo is set so that the guide ring can be remote from the punch die is inserted into the insertion grooves of the upper mold 200 stand.
[47]
Referring again to Figure 3, the lower die 100 of the molding product according to the present invention, may include a plurality of divider 150 is severable to chwioe the product. To this end, the lower mold may be formed each minute size of the space portion 160 in consideration of the moving distance of the installment.
[48]
Further, to form a path (not shown) inside the cooling water to the flow of the lower mold 100, the lower mold is allowed to cool by the cooling water.
[49]
A lower mold 100, as described above, there is there is a material (10) mounted, also be divided at least one of the forming groove (101) for forming a product by molding the material. In addition, the side walls of the forming groove forming additional grooves for hydroforming; there are (102, see FIG. 5) is formed.
[50]
The space 160 is moved by the partition 150 in a predetermined direction and a predetermined distance is provided with a movable part 170 which is able to separate from each other.
[51]
For example, the movable portion 170 is connected to one end of each minute the screw bar 172, and a screw bar that is screw fastened to the movable block 171, these movement block fixed to the division unit 150 rotates the screw bar which may comprise a second motor (173).
[52]
A screw bar 172 is presented both sides from the center to preferably each fastening consists of a double-threaded member having a thread portion (174, 176) in the other direction, the mobile block 171, each of these thread portion, respectively. Further, the screw bar is extending through the lower mold 100, can be a second motor 173 is connected to the extended end.
[53]
Thus, Figure 5 the screw bar 172, the partition part (150 of the lower mold 100 by moving up when the mobile block 171 to the support away from one another rotated in one direction by the second motor 173 as shown in ) that will be separated from each other, a screw bar that rotates in the opposite direction by the second motor to move up which moves blocks are close to each other min constituting the lower mold with division are combined.
[54]
In the space portion 160 has a guide portion (not shown) to guide the partition for easy movement of each partition 150 may be provided.
[55]
However, the configuration and the operation and arrangement of the movable portion 170 is not necessarily limited to the example described above, but may be means is applied, such as for example a hydraulic cylinder or any other actuator.
[56]
The heating body 180 to help maintain the molten state of each partition 150, the material 10 of the filling material 20 to melt the part while maintaining a high temperature of the built-in adjacent the molding groove 101 , in which the heating body has been configured to be the power supply is applied.
[57]
When complete, the molded product and the power to the heater 180 is cut off the filling material 20 is cured, rising of the deflecting plate 140 by the operation rod to contract the operation rod 132 of the operation unit 130 and, thereby raising the upper die 200. the In this case, the punching die 310 of the punching unit 300, incorporated in the upper mold is separated from the lower mold 100. The
[58]
By this to work at the same time or subsequently the lower die 100 within the movable portion 170, the minute movement towards the away from each other, dividing unit 150, it is possible to smoothly chwioe the molded product.
[59]
On the other hand, the product-forming device according to the invention, the operation unit 130, a first motor 273, the heating element 280, a driving unit 294, the heating member 322, the second motor 173, a heater 180, such as is the operation thereof can be controlled in conjunction with electrical and control unit (not shown) of the apparatus.
[60]
Now, description will be made on the product forming process according to the invention.
[61]
6 is a view schematically showing the configuration of the product forming process according to the invention.
[62]
Thus, as illustrated, the product is molded according to the invention, the heating step of heating the material (10); Mounting step of mounting a material on a lower mold (100); A first molding step of lowering the upper mold 200, the lower mold forming the material, primarily; A second molding step of applying a fluid pressure from the upper mold or the lower mold in the upper mold is lowered condition forming material 2 drive; And it includes a cooling step for cooling the material.
[63]
First, an incoming inside the (not shown) to heat the cut material into a predetermined shape and predetermined kept heated for a time and then to convey the material to product molding apparatus of the present invention using a transfer device (not shown) can.
[64]
The heat is transferred material 10 may be secured to the lower mold 100, the molding groove 101 is formed.
[65]
Moving the first molding step of the material 1 molded by car, the material 10 is secured to the lower die 100 is by operating the operation unit 130 before the cooling when expanding the actuation rod 132 is installed on the operation rod plate 140 is a descent. Thus, by the upper mold 200 is lowered along with the moving plate along and punch die 310 in cooperation with the molding groove 101 of the lower mold and pressing the material of the punching unit 300 is installed on the upper mold, the hot press-forming It may be able to do.
[66]
At this time, the cold portion of the mold is obtained by molding of the material and at the same time cooling the material to impart rigidity. However, the first molded part, for instance part of the protrusions formed of the product by a heating body 180 of the lower mold 100, a first temperature of the forming steps of the first a material formed primarily by the molding step and since the state that is being held constant by the same or similar temperature, the protruding portion of the product is able to hot state without cooling after the forming.
[67]
In the presence of the punch die of the product, for example by 310 the protrusions of the punch member 300 projecting from the upper mold 200 it is formed, the second molding step to mold the material 2 away proceeds.
[68]
In order to supply the filling material 20 into the punching member 300 by rotating the first motor 273 of the filling material supply section 250 to rotate the screw 272 provided in the inner case 271 of the transfer unit 270. The If the filling material supplied from the reservoir 260 is a solid, the filling material is melted by heating unit 280 while moving in the conveying part is liquefied or fluidized. Or, when the filling material is supplied, the liquid is so that the filling material be kept in a molten state to the temperature by the heating element.
[69]
To the fluidized the filler 20 is still moving is introduced into the pressure body 292, through the supply pipe 291, the connecting hole (295) through the building up therein, some of the punch to the connector 320 as a medium moves to the section 300.
[70]
Filler 20 to be pressed is moved by a filling in the punch unit 300 to the pressing unit 292 to move the piston 293 by the drive unit 294, the filling material. In the attached state the piston pushing the filling material towards the punching unit close to the connecting hole (295) in fluid communication to the supply pipe 291 to thereby prevents the filling material is introduced to the pressure in the supply pipe main body.
[71]
Filler 20 by the pressing force of this piston 293, while being sequentially passed through the connection pipe 320, a filler passage 330 and the discharge hole 340 is discharged out of the punching die (310) material in a hot state a push stick to be able to make hydroforming.
[72]
First eda first molded portion of the one of the material forming drive by a molding step, that group eda projections of the formed product, the second molding portion corresponding to the lower die 100 is more molding grooves 102 formed in, for example, projection or It would be a shape like a bead can be formed.
[73]
At the same time as the secondary molded product constituted by any fluid pressure of the discharged filling material (20), is supported by a spring 360 is incorporated in groove 210 of the upper mold 200, the material with a punch die 310 Guide ring 350 is inserted the pressure was pushed up into the insertion groove.
[74]
If the spring 360 is no longer compressed, there is prevented the movement of the guide ring 350, the front end of the guide ring in the insertion blocking position may be in the same position as the top surface, i.e. the surface of the product material.
[75]
A is formed with a projection on the product, as described above incorporated in each partition 150, in which the filling material 20, as supplied with soon as a projection or bead formed on this protruding part, the lower mold 100, the heating body 180, when the heating operation is stopped to cure the filling material is allowed to cool. Thus, the cured filling material will be formed from a cushioning material that is the product.
[76]
When the filling material 20 is cured, to raise the movable plate 140 by the operation rod to contract the operation rod 132 of the operation unit 130 and, thereby raising the upper mold 200 along. In this case, the punching die 310 of the punching unit 300, incorporated in the upper mold is separated from the lower mold 100. The
[77]
At the same time, the guide ring 350 is inserted into the insertion groove 210 of the upper mold 200 is projected from the upper mold by means of a spring 360, a discharge hole 340 formed in a punch die 310, in accordance with this movement a closure to prevent that the filling material 20 from leaking. In addition, the guide ring can be prevented from flange portion 352 formed at its one end is hanging in the cover 220 in the opening of the groove, that the guide ring is separated from the insertion groove.
[78]
On the other hand, due to the projection or bead formed on the product just can not be immediately separated from the mold the product, by operating the movable part in 170, the lower mold 100 of the present invention, to move away from each other towards the partition 150.
[79]
For example, the operation when the second rotary motor 173 constituting the connected thereto a screw bar 172 is rotated and fastened respectively to each other in the opposite direction thread portion (174, 176) of the screw bar moving block ( 171 are moved toward each other by being away a distance can be beoleojyeo partition 150 are separated from each other.
[80]
In this way, it is the lower mold 100 or the shaping material by dividing at least a portion of the upper mold can be taken out.
[81]
7 is a view showing an example of a product formed using a molded product according to the present invention.
[82]
Products according to the invention, is made of steel, at least in part, the tissue that martensite be included, and the form part 2 forming the small three-dimensional size than the portion first molding the first molded part of the three-dimensional do.
[83]
In particular, the portion other than the first molded part of these products be, that is rapidly transferred and then heating the material to a high temperature to rest on a mold press, urgently cooled to cool temperature of the mold them at the same time as molding by a hot press forming, is an organization that has a martensite.
[84]
In addition, the second molding which is formed thereto and forming part unit for hydro-forming is kept at a constant temperature to be relatively slow cooling than the cooling after hot press forming, thereby containing the ferrite or bainite with a tissue.
[85]
But it not necessarily limited to, for example, additionally be carried directly hydroforming without maintaining the temperature like the other portions of the second molding default formed thereto as in the first forming section can be given a tissue with a martensite .
[86]
The product 30 shown in Figure 7 for example, as impact-absorbing member of the vehicle, to enhance this hot formed by a press-forming a plurality of protrusions 31 serving as a first molding unit that can absorb the impact, the stiffness of these protrusions It can be seen a plurality of projections or beads (32) as a second molded portion formed on the projecting portion by the hydroforming to. In addition, by being a curing the filler 20 using the hydro-forming, is formed of a buffer material that constitutes a part of the product.
[87]
Thus when the same product is to be applied to the vehicle, owing to the projection as the projection or bead and the filling material absorbs the shock as well, which is applied to the impact to the product allows the advantage of being able to ensure the security.
[88]
In addition, by being in accordance with the present invention, hot press forming, and by using together the hydroforming able to quickly and easily than forming a product, it is possible to reduce costs by reducing the steps and time required for manufacturing.
[89]
The above description is only to those described as the technical idea of ​​the present invention by way of example, those skilled in the art that various modifications, additions and substitutions will be possible without departing from the essential characteristics of the present invention. Accordingly, the disclosed invention embodiments is for illustrative and not intended to limit the technical idea of ​​the present invention, but the scope of the technical idea of ​​the present invention, by such an embodiment is not limited. The scope of protection of the invention is to be interpreted by the following claims, all spirits within a scope equivalent will be construed as included in the scope of the present invention.
Industrial Applicability
[90]
As described above, by being able to quickly and easily than with the molded using a hot press-forming and hydro-forming, is useful for preparing the components for automobiles.

Claims

[Claim 1]A heating step for heating the material; mounting step of mounting the material on a lower mold; A first molding step of lowering the upper mold to the lower mold-forming the material, primarily; A second step of molding in a state wherein the upper mold is lowered by applying fluid pressure from the upper mold or the lower mold-forming the material 2 away; Product forming method comprising; and a cooling step of cooling the material.
[Claim 2]
The method of claim 1, wherein the second forming step, the first second method for forming products, characterized in that for forming molded parts of the first molded portion of said first material formed primarily by the molding step.
[Claim 3]
The method of claim 1 wherein the product is formed, characterized in that to maintain the portion of the second material to be molded in the second molding step drive in the first temperature of the molding step.
[Claim 4]
The method of claim 3 wherein the product is formed, characterized in that the cooling step is performed before said second step at the same time as the molding or the second molding step is completed.
[Claim 5]
The method of claim 1, wherein in the cooling step, the product is molded, comprising a step wherein the material is cooled to have the organization that contains martensite.
[Claim 6]
The method of claim 1 wherein the product of the second molding step, characterized in that by heating the filler by pressing a fluid solidifying fluidized phase, and fluidized wherein the filling material comprises a fluid-pressure discharge step to discharge the fluid pressure molding.
[Claim 7]
The method of claim 6 wherein after curing the filling material by the cooling step, the product is formed, characterized in that it further comprises a separation step of separating the upper mold from the lower mold.
[Claim 8]
The method of claim 7, wherein the product is formed, characterized in that it further includes a take-out step of taking out the molded material by dividing the lower mold, or at least a portion of the upper mold.
[Claim 9]
And at least one molding groove is formed in the lower mold that material is seated; It is disposed over the lower mold an upper mold for pressing the material; And a product forming apparatus comprising a punch unit which is provided in the upper die is inserted into the forming grooves of the lower mold to shape the material, discharging the pressurized filling material.
[Claim 10]
The method of claim 9, wherein the product forming apparatus comprising a supply of the filling material to the punch unit and the pressure supplied to the filling material.
[Claim 11]
11. The method of claim 10, is connected to and installed perpendicular to the upper portion of the frame operation part with the work load, and load the operating seungha drop by the actuating rod further comprises a moving plate, wherein the upper mold is the moving plate It is installed in the bottom, the filler supply unit product-forming device, characterized in that disposed on the moving plate.
[Claim 12]
12. The method of claim 11, wherein the filling material supply section, the heating reservoir that supplies the filling material, is connected to the bottom of the reservoir is provided on the moving plate which is provided so as to transfer part, surrounding at least part of the conveyance portion for conveying the filling material unit, and is connected between the downstream and the punch portion of the conveying product molding apparatus characterized in that it includes a pressing portion for press-feeding the punch to press the filling material.
[Claim 13]
The method of claim 12, wherein the transfer unit is communicated with the reservoir is is the filling material is installed and rotated inside the casing, the casing to be supplied coupled to the screw, and the screw for feeding the filling material in the interior of the case product forming apparatus characterized in that it comprises a first motor for rotating the screw.
[Claim 14]
The method of claim 12, wherein the pressing unit includes a supply pipe extending from the downstream side of the transport unit, one side of the pressure body in communication with the supply pipe and the other end reciprocates within the pressure body, the pressure body communicating with the punch unit for pressing the inlet portion the filling material the punch piston, and product forming apparatus comprising: a driving unit providing a driving force to the piston.
[Claim 15]
15. The method of claim 14, in a state where the piston attached to push the filler material toward the punching unit, the product molding apparatus of the connecting hole of the pressure body in communication with the supply pipe, characterized in that the piston is closed.
[Claim 16]
13. The method of claim 12, wherein said punching unit is provided in the upper mold to shape the material is communicated to the punch die, the pressing portion to be inserted into the molding groove of the lower mold through the movable plate and the upper mold installation connector, product shaping device comprises a discharge hole communicating with the connection pipe is extruded toward the filler passage, and the material of the filling material received supply is connected to the fill passageway formed in the punching die.
[Claim 17]
The method of claim 16, wherein the product-forming device, characterized in that at least a portion that surrounds the heating element of the connector.
[Claim 18]
The method of claim 16, wherein the product-forming device characterized in that surrounding the outer surface of the punching die comprises a guide ring that can move in the moving direction of the punch die.
[Claim 19]
19. The method of claim 18, wherein the guide ring is interposed a spring between the connector in the insertion groove around is formed, and the guide ring the other side wall portion of the opening in said groove in said upper mold to be inserted into said upper mold product forming apparatus, characterized in that.
[Claim 20]
10. The method of claim 9, wherein the lower mold is the product molding apparatus characterized in that a plurality of dividing possible separation, division also the at least one molding groove.
[Claim 21]
21. The method of claim 20, by moving each of the divided product molding device, characterized in that the movable portion provided to be able to be separated from each other.
[Claim 22]
The method of claim 21, wherein the movable portion, the minute the movement block fixed to the division, which is connected to one end of the screw bar, and the screw bar is screw fastened to the moving blocks, and a second motor for rotating the screw bar the screw bar is molded product wherein the two sides of each double-screw member having threaded portion in the other direction from the center.
[Claim 23]
The method of claim 20, wherein each of the divided portion, the product-forming device, characterized in that the heating body is embedded adjacent to the molding grooves.
[Claim 24]
The method of claim 9, wherein the product-forming device, characterized in that the side walls of the at least one molding groove is formed in the additional molding groove.
[Claim 25]
Is made of steel, at least in part, the martensite is an organization that hot press forming products contained and 3D supplement of claim 1 wherein the first size and a second molding of a small three-dimensional than the forming section to the forming section is formed.
[Claim 26]
26. The method of claim 25 wherein said first molded portion is formed is formed in one direction, said second portion forming a hot press-forming the product, characterized in that in the first molding part formed by molding in one direction and the other direction.
[Claim 27]
The method of claim 25, wherein the hot press-forming product comprises a first molded portion and the second the same tissue and tissue in which the martensite forming portion.
[Claim 28]
The method of claim 25, wherein the hot press-forming product comprises a first molded portion and the second portion forming the ferrite or bainite with a tissue.
[Claim 29]
The method of claim 25, wherein at least the second hot press forming products, characterized in that there is included the cured filling material molded part.
[Claim 30]
30. The method of claim 29, wherein the filling material is hot press-forming the product, characterized in that a melting point of lower than the metal or the resin river.