CN214814066U

CN214814066U - Automobile parts cut-out press

Info

Publication number: CN214814066U
Application number: CN202022845134.7U
Authority: CN
Inventors: 邱德义
Original assignee: Ningbo Zhixin Auto Parts Manufacturing Co Ltd
Current assignee: Ningbo Zhixin Auto Parts Manufacturing Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-11-23
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to an automobile mold field discloses an automobile parts cut-out press, including the upper punch die and be located the lower punch die under the upper punch die, the upper punch die includes the upper die base, be fixed in the upper padding plate on the terminal surface under the upper die base and be fixed in the punch holder of terminal surface under the upper padding plate, it is connected with the carousel to rotate on the punch holder, be located a plurality of drifts of sliding connection in the carousel, its diameter diverse of a plurality of drifts, be connected with on the upper padding plate and support the piece, support the piece and be located carousel and keep away from lower punch die one side, order about when rotating the carousel and can order about the drift of different diameters can with support the piece butt, carry out the punching press operation with the drift of support piece butt when punching press state, do not carry out the punching press operation with the drift of support piece butt.

Description

Automobile parts cut-out press

Technical Field

The utility model relates to an auto mold field especially relates to an automobile parts cut-out press.

Background

The die is used as an important production tool in the existing production, the variety of the die is numerous, the stamping die is used as a common die, two identical products are only different from the hole size in the production process, the current solution to the problem is to adopt two sets of dies, the hole sizes of the two sets of dies are different, and thus two assembly lines are adopted or the dies need to be disassembled when different products are produced.

If adopt two work flow line can cause the cost too high, it is too expensive to open a mould again, if dismantle the mould, the operating procedure is comparatively loaded down with trivial details, very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile parts cut-out press, it enables the diameter of switching the drift in same mould.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides an automobile parts cut-out press, include upper punch die and the lower punch die that is located under the upper punch die, upper punch die includes the upper die base, be fixed in the upper padding plate on the terminal surface under the upper die base and be fixed in the punch holder of terminal surface under the upper padding plate, it has the carousel to rotate on the punch holder, be located a plurality of drifts of sliding connection, its diameter diverse of a plurality of drifts, be connected with on the upper padding plate and support the piece, it keeps away from lower punch die one side to support the piece to be located the carousel, it can with supporting the piece butt to order about the drift that can order about different diameters to order about during the rotation carousel, carry out the punching press operation with the drift that supports the piece butt when punching press state, do not carry out the punching press operation with the drift that supports the piece butt.

By adopting the scheme, the punch heads have different diameters and can be used for punching holes with different diameters, and the rotary table is rotated to align the abutting block with the punch head with the required diameter, so that the punch head with the diameter can be conveniently punched, and the punch head which is not abutted against the abutting block can not be punched.

As preferred, set up a plurality of shoulder hole form locating holes that are on the carousel, the drift includes that sliding connection is greater than the butt section of punching press section with the diameter in the locating hole, the butt section can with support the piece butt, the cover is equipped with the spring on the punching press section, spring one end carries out the butt with the ladder face of its shoulder hole of locating hole, the spring other end and the step face butt that punching press section and both diameters of butt section formed, when butt section and support the piece butt, the locating hole is stretched out to the punching press section, when the butt section not with support the piece butt, the locating hole is not stretched out to the punching press section.

By adopting the scheme, the punching sections of the plurality of punching heads can be driven to move towards the upper die base all the time through the action of the springs, the punching sections which are not abutted to the abutting blocks are ensured not to extend out of the positioning holes, so that the punching heads of the part do not participate in punching operation, the punching sections of the punching heads which are abutted to the abutting blocks extend out of the positioning holes, and the springs on the punching heads are in a compressed state.

Preferably, the turntable comprises a driving section and a rotating section, the driving section is in a worm gear shape, a driving rod matched with the driving section is rotatably connected to the upper clamping plate and is in a worm shape, the upper clamping plate extends out of one end of the driving rod, and the driving rod is meshed with the driving section.

By adopting the scheme, the driving section is matched with the driving rod, the rotating disc is driven to rotate by rotating the driving rod, so that the rotating disc rotates to drive different punches to align to the abutting block, and the worm and gear have self-locking property and can be prevented.

Preferably, the two ends of the driving rod are in an optical axis shape, the two ends of the driving rod are rotatably connected to the upper clamping plate, and one end of the driving rod, extending out of the upper clamping plate, is connected with the hand wheel.

By adopting the scheme, the hand wheel is used for driving the driving rod to rotate conveniently.

Preferably, the outer side of the upper clamping plate is provided with a first indicating mark, and a second indicating mark is arranged on the hand wheel.

By adopting the scheme, the first indication mark and the second indication mark can be used for indicating the rotation angle of the hand wheel.

Preferably, a stripper plate is arranged below the upper clamping plate, the upper backing plate and the upper clamping plate are connected with a connecting piece together, one end of the connecting piece is fixedly arranged on the stripper plate, a through hole is formed in the stripper plate, and the through hole is opposite to the abutting block.

By adopting the scheme, the through holes on the stripper plate have the avoiding effect, the stripper plate is used for facilitating stripping after the punching operation is completed, and the rotary disc can drive punches with different diameters to be aligned with the through holes.

Preferably, the lower punch is provided with a blanking hole which is positioned on the same central axis with the through hole.

By adopting the scheme, the blanking hole has the effect that waste products after the hole are conveniently discharged from the blanking hole.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the punch heads with different diameters can be used for punching holes with different diameters, the rotary table is rotated to align the abutting block with the punch head with the required diameter, thereby facilitating the punching operation of the punch with the diameter, not punching the punch which is not abutted against the abutting block, the punching sections of the plurality of punches can be driven to move towards the upper die base all the time under the action of the springs, so that the punching sections which are not abutted against the abutting block are ensured not to extend out of the positioning holes, so that the punch of the part does not participate in the punching operation, the punching section of the punch which is abutted against the abutting block extends out of the positioning hole, the spring on the punch is in a compressed state, the driving section is matched with the driving rod, the driving rod is rotated to drive the turntable to rotate, the turntable rotates to drive different punches to align to the abutting blocks, the worm and gear have self-locking performance to prevent rotation, the hand wheel is used for driving the driving rod to rotate conveniently, and the first indicating mark and the second indicating mark can be used for indicating the rotation angle of the hand wheel.

Drawings

FIG. 1 is a schematic structural view of a punching die for automobile parts;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an exploded view of the assembly of the turntable of the automobile part punching die;

fig. 4 is a partially enlarged view of the second rotation hole.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. an upper die holder; 2. an upper base plate; 3. an upper splint; 4. a material removing plate; 5. positioning pins; 6. a guide post; 7. a connecting member; 8. a turntable; 9. a drive section; 10. a rotating section; 11. avoiding the counter bore; 12. rotating the first hole; 13. rotating the second hole; 14. positioning holes; 15. a punch; 16. a stamping section; 17. an abutment section; 18. a spring; 19. a resisting block; 20. a through hole; 21. a blanking hole; 22. avoiding the long groove; 23. a drive rod; 24. a bearing seat; 25. a hand wheel; 26. indicating a first mark; 27. indicating a second mark; 28. and (6) punching the die.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example (b):

a punching die for automobile parts comprises an upper punching die and a lower punching die 28 positioned under the upper punching die, wherein the upper punching die comprises an upper die holder 1, an upper backing plate 2 fixed on the lower end face of the upper die holder 1, an upper clamping plate 3 fixed on the lower end face of the upper backing plate 2 and a stripper plate 4 positioned under the upper clamping plate 3, the lower punching die 28 comprises a lower die holder, a lower backing plate fixed on the upper end face of the lower die holder and a lower die plate fixed on the upper end face of the lower die holder, the upper die holder 1, the upper backing plate 2 and the upper clamping plate 3 are all connected together through screws in a threaded manner, the upper die holder 1, the upper backing plate 2 and the upper clamping plate 3 ensure the relative positions of the three through positioning pins 5, the stripper plate 4 and the upper clamping plate 3 are arranged at intervals, a guide post 6 is fixedly connected onto the upper clamping plate 3, and the stripper plate 4 is sleeved on the guide post 6 and can move along the axial direction of the guide post 6, the upper clamping plate 3 is connected with a connecting piece 7 which sequentially comprises a limiting section, a connecting section with the diameter smaller than the limiting section and a fixing section in a thread shape, the limiting section is connected to the upper clamping plate 3 in a sliding mode, and the fixing section is in threaded connection with the stripper plate 4.

Referring to fig. 1 to 3, a rotating disc 8 is rotatably connected to an upper clamp plate 3, the rotating disc 8 includes a driving section 9 and rotating sections 10 located at two ends of the driving section 9, the diameter of the driving section 9 is larger than that of the rotating sections 10, the side surface of the driving section 9 is in a scroll shape, an avoiding counter bore 11 for avoiding the driving section 9 is formed in the upper clamp plate 3, a rotating hole one 12 having a diameter smaller than that of the avoiding counter bore 11 is formed in the avoiding counter bore 11, a rotating hole two 13 opposite to the rotating hole one 12 is formed in the upper backing plate 2, the central axes of the rotating hole one 12 and the rotating hole two 13 are coincident, the rotating sections 10 located at two ends of the driving section 9 are respectively located in the rotating hole one 12 and the rotating hole two 13, the two rotating sections 10 are rotatably connected to the rotating hole one 12 or the rotating hole two 13, a plurality of stepped positioning holes 14 are formed in the rotating disc 8, the positioning holes 14 are arranged in an annular array, and the positioning holes 14 are arranged in a circular annular array with the central axis of the rotating disc 8, the positioning holes 14 are in a step shape and comprise a large diameter and a small diameter, the large diameter of each positioning hole 14 is arranged towards the direction of the upper backing plate 2, the small diameter of each positioning hole 14 is arranged away from the direction of the upper backing plate 2, three positioning holes 14 are arranged in the embodiment, but not limited to three positioning holes 14, the number of the positioning holes 14 can be two or more, a punch 15 is arranged in each positioning hole 14 in a penetrating manner, each punch 15 comprises a punching section 16 connected with the small diameter of each positioning hole 14 in a sliding manner and an abutting section 17 connected with the large diameter of each positioning hole 14 in a sliding manner, the diameter of each abutting section 17 is larger than that of each punching section 16, the diameter of each punching section 16 of each punch 15 is different, the small diameter of each positioning hole 14 matched with the punch 15 is also in a diameter matched with the punching section 16, the punching sections 16 and the small diameters of the positioning holes 14 are in clearance fit, each punching section 16 is sleeved with a spring 18, one end of each spring 18 is abutted against a step surface formed by the large diameter and the small diameter of each positioning hole 14, the other end of the spring 18 is abutted against the step surfaces formed by the upper punching section 16 and the abutting section 17 of the punch 15, the bottom surface of the second rotating hole 13 arranged on the upper backing plate 2 is not contacted with the end surface of the second rotating section 10, with reference to fig. 4, the bottom surface of the second rotating hole 13 is convexly provided with a resisting block 19, the resisting block 19 is abutted against the abutting section 17 of one punch 15, the rotating turntable 8 can drive the three punches 15 to be sequentially abutted against the resisting block 19, the side surface of the resisting block 19 is transited with the bottom surface of the second rotating hole 13 through a chamfer, the chamfer has the function of facilitating the abutting of the punches 15 with the end surface of the resisting block 19, a through hole 20 opposite to the resisting block 19 is arranged on the stripper plate 4, the through hole 20 is used for avoiding the punching section 16, a blanking hole 21 on the same central axis with the through hole 20 is arranged on the lower punching die 28, the blanking hole 21 simultaneously penetrates through the lower die holder, the lower backing plate and the lower die plate, the sections 17 of the punches 15 are all abutted against the bottom surfaces of the second rotating holes 13, the rotating disc 8 can drive different punches 15 to abut against the abutting block 19 in sequence, the punching section 16 of the punch 15 abutting against the abutting block 19 extends out of the positioning hole 14 and extends out of the through hole 20 of the stripper plate 4, and the punching section 16 of the punch 15 not abutting against the abutting block 19 does not extend out of the positioning hole 14.

An avoiding elongated slot 22 penetrating through the avoiding counter bore 11 is formed in the upper clamp plate 3, a driving rod 23 is arranged in the avoiding elongated slot 22, the middle of the driving rod 23 is in a worm shape, two ends of the driving rod 23 are in an optical axis shape, one end of the driving rod 23 extends out of the upper clamp plate 3, the worm-shaped part of the driving rod 23 is meshed with the driving section 9, a bearing seat 24 is sleeved at the optical axis section at two ends of the driving rod 23, the bearing seat 24 is positioned in the avoiding elongated slot 22, the bearing seat 24 is in threaded connection with the bottom surface of the avoiding elongated slot 22 through a screw, the part of the driving rod 23 extending out of the upper clamp plate 3 is connected with a hand wheel 25 through a key, an annular indicating mark I26 is arranged on the outer side of the upper clamp plate 3, the circle center of the annular indicating mark coincides with the central axis of the driving rod 23, an indicating mark II 27 is arranged on the hand wheel 25, the indicating mark II 27 is triangular, and the indicating mark I26 are matched for indicating the rotation angle of the hand wheel 25, by rotating the hand wheel 25, the second indicator 27 is matched with the first indicator 26, so that the punch 15 is known to abut against the abutting block 19.

Claims

1. A punching die for automobile parts comprises an upper punching die and a lower punching die (28) positioned right below the upper punching die, wherein the upper punching die comprises an upper die base (1), an upper backing plate (2) fixed on the lower end surface of the upper die base (1) and an upper clamping plate (3) fixed on the lower end surface of the upper backing plate (2), it is characterized in that the upper clamping plate (3) is rotatably connected with a turntable (8), a plurality of punches (15) are arranged in the turntable (8) and are connected with each other in a sliding way, the diameters of the punches (15) are different, the upper backing plate (2) is connected with a resisting block (19), the resisting block (19) is arranged at one side of the turntable (8) far away from the lower stamping die (28), the punches (15) with different diameters can be driven to abut against the resisting block (19) when the turntable (8) is rotated, the punch (15) in contact with the abutment block (19) performs a punching operation in a punching state, and the punch (15) not in contact with the abutment block (19) does not perform the punching operation.

2. The automobile part punching die according to claim 1, wherein the turntable (8) is provided with a plurality of positioning holes (14) in a stepped hole shape, the punch (15) comprises a punching section (16) slidably connected in the positioning holes (14) and an abutting section (17) with a diameter larger than that of the punching section (16), the abutting section (17) can abut against the abutting block (19), the punching section (16) is sleeved with a spring (18), one end of the spring (18) abuts against a stepped surface of the stepped hole of the positioning hole (14), the other end of the spring (18) abuts against a stepped surface formed by the diameters of the punching section (16) and the abutting section (17), when the abutting section (17) abuts against the abutting block (19), the punching section (16) extends out of the positioning hole (14), when the abutting section (17) is not abutted with the abutting block (19), the punching section (16) does not extend out of the positioning hole (14).

3. The automobile part punching die according to claim 1, wherein the turntable (8) comprises a driving section (9) and a rotating section (10), the driving section (9) is in a worm gear shape, a driving rod (23) matched with the driving section (9) is rotatably connected to the upper clamping plate (3), the driving rod (23) is in a worm shape, one end of the driving rod (23) extends out of the upper clamping plate (3), and the driving rod (23) is meshed with the driving section (9).

4. The automobile part punching die according to claim 3, wherein two ends of the driving rod (23) are in an optical axis shape, two ends of the driving rod (23) are rotatably connected to the upper clamping plate (3), and one end of the driving rod (23) extending out of the upper clamping plate (3) is connected with a hand wheel (25).

5. The automobile part punching die as claimed in claim 4, wherein a first indication mark (26) is arranged on the outer side of the upper clamping plate (3), and a second indication mark (27) is arranged on a hand wheel (25).

6. The automobile part punching die according to claim 1, wherein a stripper plate (4) is arranged below the upper clamping plate (3), the upper backing plate (2) and the upper clamping plate (3) are connected with a connecting piece (7) together, one end of the connecting piece (7) is fixedly arranged on the stripper plate (4), a through hole (20) is formed in the stripper plate (4), and the through hole (20) and the abutting block (19) are arranged oppositely.

7. The automobile part punching die according to claim 6, wherein the lower punch (28) is provided with a blanking hole (21) which is located on the same center axis as the through hole (20).