CN110802169A

CN110802169A - Metal casing stamping die

Info

Publication number: CN110802169A
Application number: CN201911058260.3A
Authority: CN
Inventors: 俞人龙
Original assignee: Jiashan Rongde Metal Products Co Ltd
Current assignee: Jiashan Rongde Metal Products Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-02-18
Anticipated expiration: 2039-11-01
Also published as: CN110802169B

Abstract

The invention discloses a metal shell stamping processing die, which has the technical scheme that: a metal shell stamping processing die comprises an upper die holder and a lower die holder, wherein the lower die holder is provided with a lower die block, the upper end surface of the lower die block is provided with a forming cavity for forming the outline of a shell, the upper die holder is provided with an upper die block corresponding to the lower die block, and the lower end surface of the upper die block is provided with a forming block corresponding to the forming cavity; and a secondary punching mechanism for forming the connecting ribs and the mounting grooves is arranged between the upper module and the lower module. The invention can punch and form the metal shell directly through the punching direction and effectively improve the production efficiency of the metal shell.

Description

Metal casing stamping die

Technical Field

The invention relates to a die, in particular to a metal shell stamping processing die.

Background

When a plurality of existing shells are machined, casting is carried out firstly, then machining is carried out, so that the corresponding shells are machined, and partial shells are also formed through punching and then machined at key positions of the shells, so that the shells are machined.

As shown in fig. 4, when the existing housing is processed, the housing profile and the connecting ribs inside the housing are generally finished by casting, then the connecting ribs and the connecting ends of the housing and other components are processed by machining to achieve the accuracy meeting the corresponding requirements, and then the corresponding mounting grooves are processed at the positions corresponding to the connecting ribs on the outer surface of the housing, so that the housing is processed, the processing time is long, the processing efficiency is low, and defective products are easy to occur; in addition, when the connecting rib is processed by stamping, the connecting rib is not easy to punch and form by the existing die, and the position of the connecting rib is easy to be cracked and damaged, so that the strength of the shell is influenced.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

Disclosure of Invention

The invention aims to provide a metal shell stamping processing die which can be used for directly achieving the purpose of stamping and forming a metal shell in a stamping direction and effectively improving the production efficiency of the metal shell.

The technical purpose of the invention is realized by the following technical scheme: a metal shell stamping processing die comprises an upper die holder and a lower die holder, wherein the lower die holder is provided with a lower die block, the upper end surface of the lower die block is provided with a forming cavity for forming the outline of a shell, the upper die holder is provided with an upper die block corresponding to the lower die block, and the lower end surface of the upper die block is provided with a forming block corresponding to the forming cavity; a secondary punching mechanism for forming the connecting ribs and the mounting grooves is arranged between the upper module and the lower module, the secondary stamping mechanism comprises four rib grooves which are arranged on the side wall of the forming block and are used for forming connecting ribs, four plugging blocks which are connected with the upper module in a sliding way along the vertical direction, four driving grooves which are arranged on the side wall of the forming cavity and are in one-to-one correspondence with the four rib grooves, an extrusion block which is connected with the driving grooves in a sliding way along the horizontal direction and is used for extruding and forming the connecting ribs and an installation groove, and four groups of driving components which are arranged between the upper die base and the lower die base and are used for driving the plugging blocks to lift and the extrusion block to horizontally move, the sealing and blocking block can penetrate into the corresponding rib groove and seal the rib groove or slide upwards into the inner cavity of the upper module, and the extrusion block slides along the horizontal direction and can move to the inner cavity of the rib groove to extrude the side wall of the shell and form a connecting rib and an installation groove; the driving assembly comprises a through hole formed in the side wall of the blocking block, a guide groove formed in the upper module and communicated with the through hole, a driving block penetrating the guide groove and driving the blocking block to lift, an inclined plane arranged at one end of the driving block facing the guide groove and used for abutting against the upper bottom surface of the through hole, a connecting rod connected with the extrusion block and extending to the outer side of the lower module, and an oil hydraulic cylinder arranged on the lower die holder and driving the connecting rod and the driving block to move horizontally, wherein the output shaft of the oil hydraulic cylinder is arranged horizontally, the distance between one end of the driving block facing the output shaft of the oil hydraulic cylinder and the output shaft of the oil hydraulic cylinder is smaller than the distance between one end of the connecting rod facing the output shaft of the oil hydraulic cylinder and the output shaft of the oil hydraulic cylinder, and when the driving block moves away from the direction of the oil hydraulic cylinder, the inclined plane abuts against; oil pressure cylinder output shaft with be provided with coupling assembling between driving block and the connecting rod, coupling assembling include fixed connection in the driving block is towards first connecting block, the fixed connection of oil pressure cylinder output shaft one end in the connecting rod towards the second connecting block of oil pressure cylinder output shaft one end, set up in the control block of oil pressure cylinder output shaft, set up in the first draw-in groove that the control block lateral wall and supply first connecting block part card to go into, set up in the second draw-in groove that the control block lateral wall and supply second connecting block part card to go into, driving block length direction sliding connection in first draw-in groove can be followed to first connecting block, connecting rod length direction sliding connection in second draw-in groove can be followed to the second connecting block.

The invention is further provided with: the control block is located under the driving block and above the connecting rod, and the first clamping groove is formed in the upper side wall of the control block.

The invention is further provided with: the upper end face of the upper module is provided with an annular synchronous groove, the synchronous groove is internally provided with an installation block, and the upper end face of the blocking block is connected with the installation block which can be connected with the synchronous groove in a sliding manner along the vertical direction.

The invention is further provided with: the upper end face of the mounting block is provided with a rubber pad, and the upper end face of the rubber pad is abutted against the lower end face of the upper die base or a gap is reserved between the upper end face of the rubber pad and the lower end face of the upper die base.

In conclusion, the invention has the following beneficial effects:

when the shell is extruded and formed, the upper die base moves downwards, the forming block and the forming cavity form the outline of the shell, and the blocking block blocks the rib groove; then, the plugging block is driven to move upwards to expose the rib groove, the extrusion block is driven to move towards the rib groove, the extrusion block extrudes the side wall of the shell, materials are extruded into the rib groove, the connecting rib is formed, and after the extrusion block is separated from the extrusion block, the position of the extrusion block is formed into an installation groove;

when the secondary punching mechanism is required to perform secondary punching, the oil cylinder drives the driving block to move horizontally, the inclined surface abuts against the upper edge of the through hole and pushes the blocking block to move upwards, so that the blocking block is driven to be separated from the rib groove, the rib groove is exposed, and after the oil cylinder continues to move and abuts against the connecting rod to push the connecting rod to move, the connecting rod drives the extrusion block to move horizontally into the rib groove, so that the extrusion-molded connecting rib is formed;

the connecting rod and the driving block are conveniently driven to reset through the first clamping groove and the second clamping groove, and the first connecting block and the first clamping groove are conveniently separated after the upper die base moves upwards, so that the continuous operation of the die is facilitated;

the installation blocks ensure that the four blocking blocks synchronously ascend and descend, and the rubber pads are used for blocking the blocking blocks to block the rib grooves when the blocking blocks are not acted by external force.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention for illustrating extruded connecting ribs and mounting grooves of the extruded blocks;

FIG. 3 is an enlarged view of section A of FIG. 1;

fig. 4 is a schematic structural view of a conventional metal case.

The corresponding part names indicated by the numbers in the figures: 1. an upper die holder; 2. a lower die holder; 3. a lower module; 4. a molding cavity; 5. an upper module; 6. forming a block; 7. a rib groove; 8. a plugging block; 9. a drive slot; 10. extruding the block; 11. perforating holes; 12. a guide groove; 13. a drive block; 14. an inclined surface; 15. a connecting rod; 16. an oil hydraulic cylinder; 17. a first connection block; 18. a second connecting block; 19. a control block; 20. a first card slot; 21. a second card slot; 22. a synchronization slot; 23. mounting blocks; 24. and (7) a rubber pad.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.

As shown in fig. 1 to 3, the metal shell stamping die provided by the invention comprises an upper die holder 1 and a lower die holder 2, wherein the lower die holder 2 is provided with a lower die block 3, the upper end surface of the lower die block 3 is provided with a forming cavity 4 for forming the outline of the shell, the upper die holder 1 is provided with an upper die block 5 corresponding to the lower die block 3, and the lower end surface of the upper die block 5 is provided with a forming block 6 corresponding to the forming cavity 4.

Go up and be provided with the secondary punching press mechanism that is used for shaping splice bar and mounting groove between module 5 and the lower module 3, secondary punching press mechanism includes four muscle grooves 7 that set up in the 6 lateral walls of shaping piece and be used for the shaping splice bar, four along vertical direction sliding connection in last module 5's shutoff piece 8, four drive grooves 9 that set up in the 4 lateral walls of shaping chamber and with four muscle grooves 7 one-to-one, along horizontal direction sliding connection in drive grooves 9 and be used for extrusion connecting bar and mounting groove extrusion piece 10, four group set up in upper die base 1 is used for driving between die holder 2 that 8 lift of shutoff piece and extrusion piece 10 horizontal migration's drive assembly. Four muscle grooves 7 encircle become 6 evenly distributed of piece, the shutoff piece 8 can penetrate and correspond muscle groove 7 and shutoff muscle groove 7 or upwards slide into supreme module 5 inner chamber, and extrusion piece 10 slides and can move to muscle groove 7 inner chamber along the horizontal direction, reaches extrusion shell lateral wall and shaping splice bar and mounting groove. When the shell is extruded and formed, the upper die holder 1 moves downwards, the forming block 6 and the forming cavity 4 form the outline of the shell, and the blocking block 8 blocks the rib groove 7 at the moment; then move up through drive plugging block 8, expose muscle groove 7 to through drive extrusion piece 10 towards muscle groove 7 direction removal, extrusion piece 10 extrudees the shell lateral wall, and extrudees the material to the muscle inslot 7 in, and the shaping splice bar, after colleague extrusion piece 10 breaks away from, extrusion piece 10 position shaping becomes the mounting groove.

The driving component comprises a through hole 11 arranged on the side wall of the blocking block 8, a guide groove 12 arranged on the upper module 5 and communicated with the through hole 11, a driving block 13 arranged on the guide groove 12 and driving the blocking block 8 to lift, an inclined plane 14 arranged at one end of the driving block 13 facing the guide groove 12 and used for the upper bottom surface of the through hole 11 to abut against, a connecting rod 15 connected with the extrusion block 10 and extending to the outer side of the lower module 3, and an oil pressure cylinder 16 arranged on the lower die base 2 and driving the connecting rod 15 and the driving block 13 to move horizontally, wherein the through hole 11 is horizontally arranged, the driving block 13 is positioned right above the connecting rod 15, the output shaft of the oil pressure cylinder 16 is horizontally arranged, the distance between one end of the driving block 13 facing the output shaft of the oil pressure cylinder 16 and the output shaft of the oil pressure cylinder 16 is smaller than the distance between one end of the connecting rod 15 facing the output shaft of the oil pressure cylinder 16 and the output shaft, when the driving block 13 moves away from the hydraulic cylinder 16, the inclined surface 14 abuts against the upper and lower surfaces of the through hole 11 to drive the blocking block 8 to move upward. When the secondary punching press mechanism is needed to perform secondary punching press, the oil hydraulic cylinder 16 drives the driving block 13 to move horizontally, the inclined surface 14 abuts against the upper edge of the through hole 11, the plugging block 8 is pushed to move upwards, the purpose that the plugging block 8 is driven to be separated from the rib groove 7 is achieved, the rib groove 7 is exposed, after the oil hydraulic cylinder 16 continues to move and the connecting rod 15 is pushed to move in an abutting mode, the connecting rod 15 drives the extrusion block 10 to move horizontally into the rib groove 7, and therefore the extrusion forming connecting rib is achieved.

A connecting assembly is arranged between the output shaft of the oil hydraulic cylinder 16 and the driving block 13 and between the output shaft of the oil hydraulic cylinder 16 and the connecting rod 15, the connecting assembly comprises a first connecting block 17 fixedly connected to one end, facing the output shaft of the oil hydraulic cylinder 16, of the driving block 13, a second connecting block 18 fixedly connected to one end, facing the output shaft of the oil hydraulic cylinder 16, of the connecting rod 15, a control block 19 arranged on the output shaft of the oil hydraulic cylinder 16, a first clamping groove 20 arranged on the side wall of the control block 19 and used for partially clamping the first connecting block 17, and a second clamping groove 21 arranged on the side wall of the control block 19 and used for partially clamping the second connecting block 18, the first connecting block 17 can be slidably connected to the first clamping groove 20 along the length direction of the driving block 13, the second connecting block 18 can be slidably connected to. And control block 19 is located directly below drive block 13, and is located directly over connecting rod 15, and first draw-in groove 20 opens and locates the upper wall of control block 19. Conveniently drive connecting rod 15 and drive block 13 through first draw-in groove 20 and second draw-in groove 21 and reset to when upper die base 1 rebound back, make things convenient for first connecting block 17 and the separation of first draw-in groove 20, make things convenient for this application continuous operation.

Go up module 5 up the up end and seted up and be annular synchronization groove 22, be provided with installation piece 23 in the synchronization groove 22, four shutoff piece 8 up end are connected in installation piece 23, and installation piece 23 can follow vertical direction sliding connection in synchronization groove 22. The upper end surface of the mounting block 23 is provided with a rubber pad 24, and the upper end surface of the rubber pad 24 is abutted against the lower end surface of the upper die holder 1 or a gap is reserved between the upper end surface of the rubber pad and the lower end surface of the upper die holder 1. Ensure four blocks 8 synchronous lifting through installation piece 23, play blocks 8 through rubber pad 24 simultaneously and do not receive the exogenic action time, blocks 8 shutoff muscle groove 7.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a metal casing stamping die, includes upper die base (1), die holder (2), its characterized in that: the lower die holder (2) is provided with a lower die block (3), the upper end face of the lower die block (3) is provided with a forming cavity (4) for forming the outline of the shell, the upper die holder (1) is provided with an upper die block (5) corresponding to the lower die block (3), and the lower end face of the upper die block (5) is provided with a forming block (6) corresponding to the forming cavity (4);

the secondary punching mechanism used for forming the connecting ribs and the mounting grooves is arranged between the upper module (5) and the lower module (3), and comprises four rib grooves (7) which are formed in the side wall of the forming block (6) and used for forming the connecting ribs, four blocking blocks (8) which are connected with the upper module (5) in a sliding mode along the vertical direction, four driving grooves (9) which are formed in the side wall of the forming cavity (4) and correspond to the four rib grooves (7) one by one, four extrusion blocks (10) which are connected with the driving grooves (9) in a sliding mode along the horizontal direction and used for extruding the connecting ribs and the mounting grooves, and four driving components which are arranged between the upper die base (1) and the lower die base (2) and used for driving the blocking blocks (8 to ascend and descend and horizontally move the extrusion blocks (10), wherein the blocking blocks (8) can penetrate into the corresponding rib grooves (7) and block the grooves (7) or upwards slide into the inner cavity of the upper, the extrusion block (10) slides along the horizontal direction and can move to the inner cavity of the rib groove (7) to extrude the side wall of the shell and form a connecting rib and an installation groove;

drive assembly is including seting up in wear-out hole (11) of shutoff piece (8) lateral wall, seting up in go up module (5) and can locate guide way (12) of wear-out hole (11) intercommunication, wear to locate guide way (12) and drive driving block (13) that shutoff piece (8) go up and down, set up in driving block (13) are towards guide way (12) one end and supply inclined plane (14) of bottom surface butt on wear-out hole (11), connect in extrusion piece (10) and extend to connecting rod (15) in the module (3) outside down, set up in die holder (2) and drive connecting rod (15) and driving block (13) horizontal migration's oil hydraulic cylinder (16), oil hydraulic cylinder (16) output shaft is the horizontal setting, driving block (13) are less than connecting rod (15) towards the interval between oil hydraulic cylinder (16) output shaft one end and oil hydraulic cylinder (16) output shaft and the oil hydraulic cylinder (16) output shaft connecting rod (15) towards connecting rod (16) output shaft one end and oil hydraulic cylinder (16) output shaft When the driving block (13) moves away from the direction of the oil hydraulic cylinder (16), the inclined surface (14) abuts against the upper bottom surface of the through hole (11) and drives the plugging block (8) to move upwards;

a connecting component is arranged between the output shaft of the oil hydraulic cylinder (16) and the driving block (13) and the connecting rod (15), the connecting assembly comprises a first connecting block (17) fixedly connected with one end, facing an output shaft of the oil hydraulic cylinder (16), of the driving block (13), a second connecting block (18) fixedly connected with one end, facing the output shaft of the oil hydraulic cylinder (16), of the connecting rod (15), a control block (19) arranged on the output shaft of the oil hydraulic cylinder (16), a first clamping groove (20) arranged on the side wall of the control block (19) and used for partially clamping the first connecting block (17), and a second clamping groove (21) arranged on the side wall of the control block (19) and used for partially clamping the second connecting block (18), the first connecting block (17) can be connected with the first clamping groove (20) in a sliding way along the length direction of the driving block (13), the second connecting block (18) can be slidably connected to the second clamping groove (21) along the length direction of the connecting rod (15).

2. The metal shell stamping die according to claim 1, wherein: the control block (19) is located under the driving block (13) and above the connecting rod (15), and the first clamping groove (20) is arranged on the upper side wall of the control block (19).

3. The metal shell stamping die according to claim 2, wherein: go up module (5) up the up end and seted up and be annular synchronization groove (22), be provided with installation piece (23), four in synchronization groove (22) blocking piece (8) up end connect in installation piece (23), vertical direction sliding connection in synchronization groove (22) can be followed in installation piece (23).

4. The metal shell stamping die according to claim 2, wherein: the upper end face of the mounting block (23) is provided with a rubber pad (24), and the upper end face of the rubber pad (24) is abutted against the lower end face of the upper die holder (1) or a gap is reserved between the upper end face of the rubber pad and the lower end face of the upper die holder (1).