JP4392326B2 - Press die, press apparatus, and work press working method - Google Patents

Description

  The present invention relates to, for example, a press die, a press apparatus, and a method for pressing a workpiece, which press the workpiece such as a bus bar.

  Various electronic devices are mounted on an automobile as a moving body. The above-described automobile has placed an electrical junction box at an appropriate place in order to supply electric power to the above-described electronic device. This electric junction box is also called a jackion block, a fuse block, a relay box, or the like.

  The electrical connection box described above includes a box body on which a fuse, a relay, a wire harness connector, and the like are mounted, and a wiring board accommodated in the box body. The wiring board includes a bus bar made of conductive sheet metal or the like. The wiring board connects each terminal of the connector with the fuse and the relay according to a predetermined pattern. The electrical connection box described above supplies desired power to each electronic device described above by electrically connecting each wire of the wire harness, the fuse, and the relay according to a predetermined pattern by the bus bar. It is like that.

  The above-described bus bar is obtained by subjecting a sheet metal or the like to press working such as punching or bending. A press apparatus for pressing a workpiece such as a bus bar described above includes a press die having a first die and a second die that can be brought into contact with and separated from the first die, and the inside and outside of the press die. And a transport unit for transporting the workpiece described above.

  In the press apparatus described above, the transport unit transports the workpiece from the outside of the press die into the press die, sets the workpiece in one of the first die and the second die, and places the workpiece on the first die. When one of the mold and the second mold is set, the transport unit is retracted from between the first mold and the second mold, and the first mold and the second mold are Approach each other and press the workpiece described above. In the press apparatus described above, the above-mentioned transport unit enters the space between the first mold and the second mold again, and the first mold and the second mold are inserted into the pressed workpiece. Take it out from one of the molds and transport it out of the press mold. In this way, the press apparatus has pressed the workpiece.

  In the above-described press apparatus, the above-described transport unit reciprocates twice between the mold and the outside of the press mold by a single press process in order to transport the above-described workpiece. In other words, before pressing, the workpiece is moved back and forth between the first die and the second die from the outside of the press die, and after the pressing, A total of two reciprocations have been performed, one between the second mold and the second mold, and one reciprocation when transported outside the press die. For this reason, the conventional press apparatus has a tendency that the time required for transporting the workpiece becomes longer and the work efficiency of the press working is lowered.

  Accordingly, an object of the present invention is to provide a press die, a press apparatus, and a work pressing method that can prevent a reduction in the efficiency of press working.

In order to solve the above-mentioned problems and achieve the object, a press die according to a first aspect of the present invention includes a first die and a second die provided so as to be able to contact with and separate from the first die. A press mold used when a workpiece is inserted between the first mold and the second mold, and these molds are brought close to each other to press the workpiece. The first mold and the second mold are detachably attached to one of the molds and hold the workpiece, and are attached to the one while holding the workpiece, and the workpiece is pressed. A transfer mold positioned between the first mold and the second mold when performing, the first mold and the second mold to which the transfer mold is attached; One of them has a planar shape equal to the planar shape of the transfer mold and the depth is the thickness of the transfer mold. Remote from deeply the other with opposing surfaces are formed in concave, and comprising the groove for accommodating the conveying type deeper than the surface.

  A press die according to a second aspect of the present invention is the press die according to the first aspect, wherein the transfer die is formed in a frame shape, and the work is positioned on a surface.

  A press die according to a third aspect of the present invention is the press die according to the first or second aspect, wherein the transfer die includes positioning means for positioning the workpiece on the transfer die. It is a feature.

A press apparatus according to a fourth aspect of the present invention is the press apparatus for press-working a workpiece, wherein the press mold according to any one of the first to third aspects and the conveying mold are used. It is characterized by comprising a workpiece moving means that moves across a processing position attached to one of the first die and the second die and an attaching / detaching position outside the press die.

The work pressing method of the present invention described in claim 5 is capable of holding the first mold, the second mold provided in contact with and away from the first mold, and the workpiece. And a processing position that is detachably attached to one of the first mold and the second mold, and is attached to one of the first mold and the second mold, and the press In a press working method of a workpiece using a press die provided with an attachment / detachment position outside the die, and a transfer die that is movable, the step of setting the workpiece on the delivery die at the attachment / detachment position; The conveyance mold on which the workpiece is set is moved to the processing position, and the planar shape of one of the first mold and the second mold is the conveyance mold. From the surface which is equal to the planar shape and whose depth is deeper than the thickness of the conveying mold and opposed to the other A step of accommodating the back than formed the surface of the groove in the first mold and close together and the second die, the workpiece held by the transport type of the processing position And a step of moving the conveying mold to the attachment / detachment position and discharging the workpiece subjected to the pressing to the outside of the press mold.

According to the press die of the present invention described in claim 1, the conveying die is positioned between the first die and the second die when the workpiece is pressed. Thereby, when press-working a workpiece | work, the conveyance type | mold should just carry out only one reciprocation between the press-mold outside and a metal mold | die.
Since the groove | channel which accommodates a conveyance type | mold is provided in one metal mold | die to which a conveyance type | mold is attached, it can prevent that a conveyance type | mold obstructs press work.

  According to the press die of the present invention described in claim 2, since the conveying die is formed in a frame shape and positions the workpiece on the surface, the center portion of the workpiece can be exposed.

  According to the press die of the present invention described in claim 3, since the positioning means positions the conveying die and the workpiece, the workpiece is placed at a predetermined position between the first die and the second die. Can be positioned.

According to the press device of the present invention as set forth in claim 4 , the conveying mold is positioned between the first mold and the second mold when the workpiece is pressed. Further, the workpiece moving means moves the conveyance mold between the machining position and the attachment / detachment position. As a result, the transfer mold holds the workpiece, and the workpiece moving means moves the transfer mold, so that when the workpiece is pressed, the transfer mold can only reciprocate between the attachment / detachment position and the processing position. Just do it.

According to the workpiece pressing method of the present invention described in claim 5 , since the workpiece is pressed while the conveyance die is positioned at the machining position, the conveyance die is attached and detached when the workpiece is pressed. Only one reciprocation is required between the position and the processing position.

As described above, according to the first aspect of the present invention, when the workpiece is subjected to press working, the conveying die only needs to make one reciprocation between the outside of the press die and the die. Therefore, when press-working a work, the time required for transporting the work can be shortened, and a reduction in the efficiency of press work can be prevented.
Since the conveyance mold can be prevented from interfering with the press work, the desired press work can be reliably applied to the workpiece.

  According to the second aspect of the present invention, since the conveyance mold can expose the central portion of the workpiece, the workpiece can be reliably subjected to a desired press working.

  According to the third aspect of the present invention, since the workpiece can be positioned at a predetermined position between the first mold and the second mold, a desired pressing process can be reliably performed on the workpiece.

In the present invention according to claim 4 , when the transfer mold holds the workpiece and the workpiece moving means moves the transfer mold, the transfer mold is attached to the attachment / detachment position and the processing position when the workpiece is pressed. You only need to make one round trip to and from. Therefore, when press-working a work, the time required for transporting the work can be shortened, and a reduction in the efficiency of press work can be prevented.

According to the fifth aspect of the present invention, the workpiece is pressed while the conveyance die is positioned at the machining position. Therefore, when the workpiece is pressed, the conveyance die moves between the attachment / detachment position and the machining position. Only one round trip is required. Therefore, when press-working a work, the time required for transporting the work can be shortened, and a reduction in the efficiency of press work can be prevented.

  Hereinafter, a press device 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 15. The press apparatus 1 (shown in FIG. 1) according to an embodiment of the present invention is used, for example, when assembling the bus bar 3 of the electrical junction box 2 shown in FIG.

  As shown in FIG. 15, the electrical junction box 2 includes a box body 4, a connector block 5, and a wiring board 6. The box body 4 is formed in a box shape. The box body 4 is provided with a plurality of electrical component mounting portions 8 for mounting electrical components such as fuses 7a, fusible links 7b and relays 7c. In the illustrated example, the electrical component mounting portion 8 is provided on the upper portion of the box body 4.

  The connector block 5 is detachable from the box body 4. The connector block 5 is attached to the lower part of the box body 4 in the illustrated example. The connector block 5 includes a plurality of connector fitting portions 9 into which connectors of a wire harness (not shown) arranged in the automobile are fitted. Of course, the wire harness includes a plurality of electric wires and connectors attached to ends of the electric wires. A wire harness is routed in an automobile, and a connector is fitted to the connector fitting portion 9 of the connector block 5 of the electrical connection box 2 described above and a plurality of electronic equipment mounted on the automobile, so The electronic device and the electrical components such as the fuse 7a, fusible link 7b, and relay 7c of the electrical connection box 2 are electrically connected according to a predetermined pattern.

  The wiring board 6 is accommodated in the box body 4 and includes at least a pair of bus bars 3. The pair of bus bars 3 are made of conductive sheet metal, and are obtained by subjecting the sheet metal to press working such as punching or bending. Each of the pair of bus bars 3 includes a flat-shaped bus bar main body 10 in which predetermined portions are punched and a plurality of terminal portions 11 provided on both edges of the bus bar main body 10 at the top and bottom in FIG. In preparation. The terminal portion 11 is formed flush with the bus bar body 10. The terminal portion 11 is positioned in the electrical component mounting portion 8 and the connector fitting portion 9 when the wiring board 6 is accommodated in the box body 4. The terminal portion 11 is connected to the above-described fuse 7a, fusible link 7b, relay 7c, and connector terminal.

  In addition, a plurality of relay connection terminals 12 indicated by dotted lines in FIG. 15 are provided in one of the pair of bus bars 3 on the rear side in FIG. The relay connection terminal 12 is erected from the bus bar body 10 toward the back side in FIG. A relay (not shown) is attached to the relay connection terminal 12.

  Further, of the pair of bus bars 3, the other bus bar 3 on the front side in FIG. 15 (hereinafter denoted by reference numeral 3 b) is exposed, and the one bus bar 3 a located on the back side in FIG. Most of the bus bar body 10 excluding the terminal portion 11 and the relay connection terminal 12 is covered with an insulating synthetic resin 13. Further, the relay connection terminal 12 described above is not covered with the above-described synthetic resin 13 (projects out of the synthetic resin 13). Further, positioning holes 30 (shown in FIG. 2 and the like) pass through the four corners of the bus bar body 10 of the one bus bar 3a described above.

  The pressing device 1 performs bending as one of the above-described bus bars 3a to bend the relay connection terminal 12 from a state flush with the bus bar main body 10 to a state where the relay bus terminal 10 is erected on the bus bar main body 10. . One bus bar 3a described above corresponds to the work described in this specification. As shown in FIG. 1, the press device 1 includes a device main body 14, a press machine 15, a press die 16, and a moving mechanism 17 as a work moving means.

  The apparatus main body 14 is installed on a factory floor or the like. The apparatus main body 14 has an upper surface formed flat along the horizontal direction.

  The press machine 15 includes a sliding column 18 and a press machine body 19. The sliding pillar 18 is erected along the vertical direction from the four corners of the upper surface of the apparatus main body 14. The press machine main body 19 is disposed above the apparatus main body 14, and is provided so as to be able to contact and separate from the apparatus main body 14 by a sliding column 18. That is, the press machine body 19 is provided so as to be movable up and down. Further, the press machine body 19 has a lower surface formed flat along the horizontal direction.

  The press die 16 includes a lower die 20 as a first die, an upper die 21 as a second die, a guide post 22, and a transfer die 23. The lower mold 20 is made of metal and has a thick flat plate shape. The lower mold 20 is attached to the upper surface of the apparatus main body 14. As shown in FIGS. 1 and 3, the lower mold 20 is provided with an accommodation groove 24 as a groove and a recess 25 corresponding to the relay connection terminal 12 described above.

  As shown in FIGS. 3 and 4, the housing groove 24 is formed in a concave shape from the surface 20 a facing the upper mold 21 of the lower mold 20. The planar shape of the receiving groove 24 is equal to the planar shape of the transfer mold 23. The depth of the accommodation groove 24 is deeper than the thickness of the transfer mold 23. The accommodation groove 24 accommodates the transfer mold 23. The recess 25 is formed in a recess from the surface 20a of the lower mold 20, and is provided at a position where the relay connection terminal 12 flush with the bus bar body 10 of the bus bar 3a conveyed by the conveying mold 23 is overlapped upward. It has been.

  The upper die 21 is attached to the lower surface of the press machine body 19 of the press machine 15. Therefore, the upper die 21 is opposed to the lower die 20 and is provided so as to be able to contact and separate from the lower die 20. Note that contact and separation means approaching or leaving each other.

  As shown in FIG. 4 and the like, the upper die 21 is provided with a protrusion 26 corresponding to the relay connection terminal 12 described above. The protrusion 26 is formed so as to protrude from the surface 21 a facing the lower mold 20 of the upper mold 21. When the upper mold 21 approaches the lower mold 20, the bus bar body 10 of the bus bar 3 a that has been conveyed by the conveying mold 23. It is provided at a position where it abuts on the relay connection terminal 12 that is flush with the recess 25 and can enter the recess 25. The protrusion 26 penetrates into the recess 25, sandwiches the relay connection terminal 12 with the inner surface of the recess 25, and bends the relay connection terminal 12 so as to stand from the bus bar body 10.

  The guide pillars 22 are arranged along the vertical direction, and are arranged at the four corners of both the lower mold 20 and the upper mold 21. The guide column 22 guides the relative moving directions of the molds 20 and 21 when the lower mold 20 and the upper mold 21 come in contact with each other. That is, the guide column 22 has the relative movement direction of the above-described molds 20 and 21 so that the protrusion 26 enters the recess 25 when the lower mold 20 and the upper mold 21 approach each other. invite.

  As shown in FIG. 2, the transport mold 23 includes a pair of parallel columns 27 parallel to each other and a connecting column 28 that connects one end of the pair of parallel columns 27, and the planar shape is a U-shape. Is formed. In the present specification, a so-called frame shape and a planar shape from which a part of the frame such as a U-shape is removed are collectively referred to as a frame shape. For this reason, the conveyance mold 23 is formed in a frame shape.

  Further, the transfer mold 23 includes a plurality of positioning protrusions 29 as positioning means. The positioning protrusions 29 are formed so as to protrude from the surfaces of the pair of parallel columns 27 located on the same plane. The positioning protrusions 29 are provided at positions corresponding to the positioning holes 30 provided at the four corners of the one bus bar 3a described above. The positioning protrusion 29 enters the positioning hole 30 to position the bus bar 3 a on the transfer mold 23.

In the transfer mold 23 having the above-described configuration, the positioning protrusion 29 is inserted into the positioning hole 30 to position the one bus bar 3a described above on the surface. Further, the transfer mold 23 described above is arranged in a state where the surface of one bus bar 3a positioned on the surface is parallel to the surfaces 20a and 21a of the molds 20 and 21 described above. The transfer mold 23 is inserted into the above-described accommodation groove 24 and attached to the above-described lower mold 20. Of course, the transfer mold 23 can be pulled out of the housing groove 24 described above. Thus, the transfer mold 23 is detachable from the lower mold 20.
The transfer mold 23 is attached to the lower mold 20 while holding the bus bar 3a, and is positioned between the lower mold 20 and the upper mold 21 when the bus bar 3a is pressed.

  As illustrated in FIG. 1, the moving mechanism 17 includes an elevating cylinder 31, an elevating plate 32, and a horizontal cylinder 33. As shown in FIG. 4 and the like, the elevating cylinder 31 includes a cylinder main body 34 and a rod 35 that is extendable from the cylinder main body 34. The cylinder body 34 is attached to the apparatus body 14. The longitudinal direction of the rod 35 is along the vertical direction. The rod 35 extends from the cylinder body 34 upward.

  The elevating plate 32 is attached to the rod 35 as shown in FIG. When the rod 35 expands and contracts, the lift plate 32 moves up and down along the vertical direction.

  As shown in FIG. 4 and the like, the horizontal cylinder 33 includes a cylinder body 36 and a plurality of rods 37 that can be extended and contracted from the cylinder body 36. The cylinder body 36 is attached to the lifting plate 32. For this reason, when the rod 35 of the lifting / lowering cylinder 31 expands / contracts, the cylinder main body 36, that is, the horizontal cylinder 33 moves up / down, that is, moves along the vertical direction. The cylinder body 36 is arranged at a position where the upper mold 21 and the lower mold 20 are close to each other and the molds 20 and 21 do not prevent (allow) the relay connection terminal 12 from being bent from the bus bar body 10. Yes.

  The longitudinal direction of the rod 37 is along the horizontal direction. The rod 37 is disposed between the molds 20 and 21 described above. Further, the connecting pillar 28 of the transfer mold 23 described above is attached to the rod 37.

  With the above-described configuration, the moving mechanism 17 extends and retracts the rods 35 and 37 of the cylinders 31 and 33 so that the transfer mold 23 protrudes from between the molds 20 and 21 to the outside of the press mold 16 as shown in FIG. 6 and the processing position shown in FIG. 6 in which the rods 35 and 37 of the cylinders 31 and 33 are reduced and the above-described transfer mold 23 is accommodated in the accommodation groove 24 and attached to the lower mold 20. The conveyance mold 23 is moved. At the attachment / detachment position, the one bus bar 3a described above can be attached to and detached from the transfer mold 23. At the processing position, the transport mold 23 is attached to the lower mold 20 described above, and one of the bus bars 3a transported by the transport mold 23 can be bent.

  When bending the one bus bar 3a as described above using the pressing device 1 as described above, first press the main body 19 of the pressing machine 15 and lift the molds 20 and 21 together. Are separated from each other, and the rods 35 and 37 of the cylinders 31 and 33 of the moving mechanism 17 are extended to position the transfer mold 23 at the above-described attachment / detachment position. Then, in step S1 in FIG. 14, as shown in FIG. 4, the positioning protrusion 29 of the transfer mold 23 is inserted into the positioning hole 30 of the bus bar 3a, and the bus bar 3a is placed on the transfer mold 23. And proceed to step S2. Step S1 is a step of setting the bus bar 3a on the transfer mold 23 at the attachment / detachment position.

  In step S2, the rod 37 of the horizontal cylinder 33 is reduced, and as shown in FIG. 5, the transfer mold 23 is positioned between the upper mold 21 and the lower mold 20, and the process proceeds to step S3. In step S <b> 3, the rod 35 of the elevating cylinder 31 is reduced and the transfer mold 23 is inserted into the accommodation groove 24. Then, since the depth of the receiving groove 24 is deeper than the thickness of the transfer mold 23, the transfer mold 23 is positioned in the back of the receiving groove 24 after the bus bar 3 a is positioned on the lower mold 20. In this way, as shown in FIG. 6, the transfer mold 23 is positioned at the processing position, and the process proceeds to step S4. Steps S2 and S3 described above are steps for moving the transfer mold 23 on which the workpiece described in this specification is set to a processing position.

  In step S4, the press machine body 19 of the press machine 15 is lowered. Then, the upper mold 21 approaches the lower mold 20. 7 and 12, the protrusion 26 of the upper mold 21 contacts the bus bar body 10 of the bus bar 3a and the relay connection terminal 12 flush with the bus bar body 10. Further, when the press machine main body 19 of the press machine 15 is lowered and the upper mold 21 is brought close to the lower mold 20, as shown in FIG. 8 and FIG. The protrusions 26 and the recesses 25 bend the relay connection terminal 12 from the bus bar body 10 and allow the relay connection terminal 12 to stand from the bus bar body 10. Thus, in step S4, the upper die 21 is brought close to the lower die 20, the bus bar 3a is bent, and the process proceeds to step S5. In step S4, the first mold and the first mold are brought close to each other, and the workpiece held by the transfer mold 23 at the processing position is pressed.

  In step S5, the press machine body 19 of the press machine 15 is raised. Then, as shown in FIG. 9, the upper mold | type 21 raises, leaves | separates from the lower mold | type 20, and progresses to step S6. In step S6, the rod 35 of the elevating cylinder 31 is extended, and as shown in FIG. 10, the transfer mold 23 is raised and positioned between the molds 20 and 21, and the process proceeds to step S7. In step S7, the rod 37 of the horizontal cylinder 33 is extended, and the conveying mold 23 is positioned between the molds 20 and 21 at the attachment / detachment position outside the press mold 16 as shown in FIG. Steps S <b> 5 to S <b> 7 described above are steps in which the transfer mold 23 is moved to the attachment / detachment position, and the pressed workpiece is discharged out of the press mold 16. Then, at the attachment / detachment position, the bus bar 3a that has been bent from the transfer mold 23 is removed, and the bus bar 3a that has not been bent is attached to the transfer mold 23. In this way, the above-described bus bar 3a is subjected to bending as press working.

  According to the present embodiment, the transfer mold 23 is positioned between the molds 20 and 21 when the bus bar 3a is bent as a press process. Thereby, when the bus bar 3a is transported by the transport mold 23, when the bus bar 3a is subjected to bending as press processing, the transport mold 23 is located between the mounting position of the press mold 16 and the molds 20 and 21. It is only necessary to make one round trip to the processing position. Therefore, when bending the bus bar 3a, the time required to transport the bus bar 3a can be shortened, and a decrease in the efficiency of the bending process can be prevented.

  Since the conveyance mold 23 is formed in a U-shape (frame shape) and positions the bus bar 3a on the surface, the central portion of the bus bar 3a can be exposed. Therefore, a desired press process can be reliably performed to the bus bar 3a.

  Since the positioning protrusion 29 positions the transfer mold 23 and the bus bar 3a, the bus bar 3a can be positioned at a predetermined position between the molds 20 and 21. Therefore, a desired bending process can be reliably applied to the bus bar 3a.

  Since the lower mold 20 to which the conveyance mold 23 is attached is provided with the accommodation groove 24 for accommodating the conveyance mold 23, it is possible to prevent the conveyance mold 23 from interfering with the bending process. Therefore, a desired bending process can be reliably applied to the bus bar 3a.

  In the embodiment described above, the accommodation groove 24 is provided in the lower mold 20, and the transfer mold 23 is attached to the lower mold 20. However, in the present invention, the accommodation groove 24 may be provided in the upper mold 21 and the transfer mold 23 may be attached to the upper mold 21.

  Further, in the present invention, the conveyance mold 23 is not limited to the U-shape (frame shape), but may be various shapes. Furthermore, in this invention, you may give the press work other than a bending process to the bus bar 3a as a workpiece | work. In the present invention, not only the bus bar 3a but also various workpieces may be pressed.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

It is a perspective view which shows the structure of the press apparatus which concerns on one Embodiment of this invention. FIG. 2 is a perspective view schematically showing a conveying mold and a bus bar as a workpiece of the press apparatus shown in FIG. 1. FIG. 3 is a plan view showing a lower die, a conveying die, a bus bar as a workpiece, and the like shown in FIG. 2. It is a side view which shows the state by which the conveyance type | mold of the press apparatus shown by FIG. 1 was located in the attachment or detachment position in a partial cross section. It is a side view which shows the state which the rod of the horizontal cylinder of the press apparatus shown by FIG. 4 contracted in the partial cross section. It is a side view which shows the state which the rod of the raising / lowering cylinder of the press apparatus shown by FIG. It is a side view which shows the state which the upper mold | type of the press apparatus shown by FIG. 6 descend | falls, and the protrusion of this upper mold contacted the bus bar in a partial cross section. FIG. 8 is a side view showing a partial cross-sectional view of a state in which the upper die of the press device shown in FIG. 7 is further lowered and the relay connection terminal is bent. It is a side view which shows the state which the upper mold | type of the press apparatus shown by FIG. It is a side view which shows the state which the conveyance type | mold of the press apparatus shown by FIG. 9 raised in the partial cross section. It is a side view which shows the state which the rod of the horizontal cylinder of the press apparatus shown by FIG. It is sectional drawing which expands and shows the principal part of the press apparatus shown by FIG. It is sectional drawing which expands and shows the principal part of the press apparatus shown by FIG. It is a flowchart which shows the process of bending a bus bar with the press apparatus shown by FIG. It is a perspective view which decomposes | disassembles and shows the electrical-connection box provided with the bus bar by which a bending process is given with the press apparatus shown by FIG.

Explanation of symbols

1 Press device 3a Bus bar (work)
16 Press mold 17 Movement mechanism (work movement means)
20 Lower mold (first mold)
21 Upper mold (second mold)
23 Conveying mold 24 Storage groove (groove)
29 Positioning protrusion (Positioning means)
S1 Step of setting a workpiece on the transfer die at the attachment / detachment position S2 to S3 Step of moving the transfer die on which the workpiece is set to a processing position S4 Processing by bringing the first die and the second die close to each other Steps of pressing the workpiece held by the position transfer mold S5 to S7 Steps of moving the transfer mold to the attaching / detaching position and discharging the pressed workpiece out of the press die

Claims (5)

A first mold and a second mold that is detachably provided on the first mold, and a workpiece is inserted between the first mold and the second mold. In the press mold used when these molds are brought close to each other and the workpiece is pressed.
The first mold and the second mold are detachably attached to one of the first mold and the second mold, hold the work, and are attached to the one while holding the work, and press the work. A transfer mold positioned between the first mold and the second mold ,
One of the first mold and the second mold to which the conveyance mold is attached has a planar shape equal to the planar shape of the conveyance mold and a depth larger than the thickness of the conveyance mold. A press die , which is deeply recessed from the surface facing the other and includes a groove for accommodating the transfer die at the back of the surface .   The press die according to claim 1, wherein the transfer die is formed in a frame shape, and the work is positioned on a surface.   The press die according to claim 1 or 2, wherein the transfer die includes positioning means for positioning the workpiece on the transfer die. In a press machine that presses workpieces,
A press die according to any one of claims 1 to 3 ,
A workpiece moving means for moving the conveying mold over one of the first mold and the second mold, and a detaching position outside the press mold;
A press device comprising: A first mold, a second mold provided in contact with and away from the first mold, a workpiece can be held, and the first mold and the second mold A transfer die that is detachably attached to one of the first die and the second die, and is movable between a processing position attached to one of the first die and the second die and an attachable / detachable position outside the press die. In a press working method of a work using a press die provided with,
Setting the workpiece on the transfer mold at the attachment / detachment position;
The conveyance mold on which the workpiece is set is moved to the processing position, and the planar shape of one of the first mold and the second mold is the conveyance mold. A step in which the depth is equal to the planar shape and the depth is deeper than the thickness of the transfer mold and is housed deeper than the surface in the groove formed in a recess from the surface facing the other; and
The first mold and the second mold are brought close to each other, and the workpiece held by the transfer mold at the processing position is pressed,
Moving the transfer mold to the attachment / detachment position, and discharging the work subjected to the press work to the outside of the press mold;
A method for press-working a workpiece, comprising:

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