CN215090324U

CN215090324U - Punching and blanking composite die for adjusting limiting plate

Info

Publication number: CN215090324U
Application number: CN202120692035.1U
Authority: CN
Inventors: 吕建国; 张�杰; 周志成
Original assignee: Xiangyang Huafeng Jishun Auto Parts Co Ltd
Current assignee: Xiangyang Huafeng Jishun Auto Parts Co Ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-12-10
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a compound mould of blanking that punches a hole for adjusting limiting plate, the on-line screen storage device comprises a base, be equipped with the terrace die on the base, the cover is equipped with the support flitch on the terrace die, be equipped with the support on the base hold in the palm the bounce-back structure of flitch, be equipped with the guide post on the base, it is equipped with the moulding-die to slide on the guide post, the bottom of going up the moulding-die is equipped with the die, be equipped with the slide opening of horizontal setting on the die, be equipped with the feather key in the slide opening, the both ends of feather key are equipped with first oblique wedge groove, second oblique wedge groove respectively, the die cavity roof of die is equipped with first guiding hole, the bottom of die one side is equipped with the second guiding hole, be equipped with first flexible pole subassembly in the first guiding hole, be equipped with the flexible pole subassembly of second in the second guiding hole. The utility model discloses a compound mould of blanking that punches a hole for adjusting limiting plate belongs to sheet metal stamping equipment technical field, and work piece in the die cavity of the automatic extrusion die of first telescopic link subassembly improves work efficiency.

Description

Punching and blanking composite die for adjusting limiting plate

Technical Field

The utility model relates to a sheet metal stamping equipment technique especially relates to the compound mould of blanking that punches a hole for adjusting the limiting plate.

Background

The adjusting limit plate is one of necessary accessories for adjusting the clearance of the brake shoes on the rear drive axle brake, and directly influences the adjusting action of the clearance of the brake shoes in the brake. The traditional manufacturing process flow at present is as follows: blanking → blanking-punching. At present, when the automobile rear axle adjusting limiting plate is punched by using a composite die, a workpiece is not easy to fall off from a female die, and the workpiece is often required to be manually tilted by workers, so that the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound mould of blanking that punches a hole for adjusting limiting plate to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a punching and blanking composite die for adjusting a limiting plate comprises a base, wherein a male die is arranged on the base, a retainer plate is sleeved on the male die, a rebound structure for supporting the retainer plate is arranged on the base, a guide post is arranged on the base, an upper pressing die is arranged on the guide post in a sliding manner, a female die is arranged at the bottom of the upper pressing die, a transversely arranged slide hole is arranged on the female die, a slide key is arranged in the slide hole, a first inclined wedge groove and a second inclined wedge groove are respectively arranged at two ends of the slide key, a first guide hole communicated with the slide hole is arranged on the top wall of a die cavity of the female die, a second guide hole communicated with the slide hole is arranged at the bottom end of one side of the female die, a first telescopic rod component matched with the first inclined wedge groove is arranged in the first guide hole, a second telescopic rod component matched with the second inclined wedge groove is arranged in the second guide hole, and a third spring is arranged at the inner end of the sliding hole.

Furthermore, first telescopic rod subassembly includes first ejector pin and locates the first spacing step of first ejector pin bottom, the bottom of first ejector pin is equipped with first spring, the bottom of first guiding hole be equipped with the first spacing ring that first spring bottom suited.

Furthermore, a first inclined pressing surface matched with the first inclined wedge groove is arranged at the top end of the first ejector rod.

Furthermore, the second telescopic rod component comprises a second ejector rod and second limiting steps arranged at two ends of the second ejector rod, a second spring is arranged at the top of the second ejector rod, and a second limiting ring matched with the second limiting steps at the bottom end of the second ejector rod is arranged at the bottom end of the second guide hole.

Furthermore, a second inclined pressing surface matched with the second inclined wedge groove is arranged at the top end of the second ejector rod.

Furthermore, the outer end of the sliding hole is provided with a plug which is matched with the outer end face of the sliding key.

Furthermore, the rebounding structure is a spring structure.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a compound mould of blanking that punches a hole for adjusting limiting plate, when compound mould separation, the work piece of the die cavity of the first telescopic link subassembly extrusion die of setting is pushed out the work piece is automatic, need not staff's manual operation, saves time, improves work efficiency.

Drawings

Fig. 1 is the utility model discloses a compound mould of blanking that punches a hole for adjusting limiting plate's structural schematic.

Fig. 2 is a structural section view of the utility model discloses a compound mould of blanking that punches a hole for adjusting limiting plate.

FIG. 3 is an enlarged view of the first telescopic rod assembly of the present invention;

fig. 4 is an enlarged schematic view of the structure of the second telescopic rod assembly of the present invention.

In the figure: 1. a base; 2. a male die; 3. a material supporting plate; 4. a rebound structure; 5. a guide post; 6. pressing the die; 7. a female die; 8. a slide hole; 9. a sliding key; 10. a first cam groove; 11. a second cam groove; 12. a first guide hole; 13. a second guide hole; 14. a first telescopic rod assembly; 15. a second telescopic rod assembly; 16. a first ejector rod; 17. a first limit step; 18. a first spring; 19. a first limit ring; 20. a first ramp surface; 21. blocking; 22. a second ejector rod; 23. a second limit step; 24. a second spring; 25. a second stop collar; 26. a second ramp surface; 27. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a punching and blanking compound die for adjusting a limiting plate includes a base 1, a male die 2 is disposed on the base 1, a retainer plate 3 is sleeved on the male die 2, a resilient structure 4 for supporting the retainer plate 3 is disposed on the base 1, a guide post 5 is disposed on the base 1, an upper pressing die 6 is slidably disposed on the guide post 5, a female die 7 is disposed at the bottom of the upper pressing die 6, a transversely disposed slide hole 8 is disposed on the female die 7, a slide key 9 is disposed in the slide hole 8, a first inclined wedge groove 10 and a second inclined wedge groove 11 are disposed at two ends of the slide key 9, a first guide hole 12 communicated with the slide hole 8 is disposed on a top wall of a die cavity of the female die 7, a second guide hole 13 communicated with the slide hole 8 is disposed at a bottom end of one side of the female die 7, a first telescopic rod assembly 14 adapted to the first inclined wedge groove 10 is disposed in the first guide hole 12, a second telescopic rod assembly 15 adapted to the second inclined wedge groove 11 is disposed in the second guide hole 13, the inner end of the slide hole 8 is provided with a third spring 27.

In the punching and blanking composite die for adjusting the limiting plate, a workpiece plate is placed on a material supporting plate 3 of the punching and blanking composite die, then an upper pressing die 6 is driven by a hydraulic or pneumatic device to slide downwards to press a female die 7 to a male die 2, the workpiece plate is extruded by the female die 7 and the male die 2 and is subjected to punch forming in a die cavity of the female die 7 to obtain a finished product of the adjusting limiting plate, then when the female die 7 ascends, a third spring 27 pushes a sliding key 9 to the right end, a first inclined wedge groove 10 extrudes a first telescopic rod component 14, so that the first telescopic rod component 14 extrudes a workpiece in the die cavity of the female die 7, the workpiece is automatically ejected, manual operation of workers is not needed, time is saved, and working efficiency is improved.

In this embodiment, the first telescopic rod assembly 14 includes a first top rod 16 and a first limit step 17 disposed at the bottom of the first top rod 16, a first spring 18 is disposed at the bottom end of the first top rod 16, and a first limit ring 19 adapted to the bottom end of the first spring 18 is disposed at the bottom end of the first guide hole 12.

In this embodiment, the top end of the first ram 16 is provided with a first inclined pressing surface 20 corresponding to the first inclined wedge groove 10.

In this embodiment, the second telescopic rod assembly 15 includes a second top rod 22 and second limiting steps 23 disposed at two ends of the second top rod 22, a second spring 24 is disposed at the top of the second top rod 22, and a second limiting ring 25 adapted to the second limiting steps 23 at the bottom end of the second top rod 22 is disposed at the bottom end of the second guiding hole 13.

When the die 7 extrudes the stripper plate, the second ejector rod 22 at the top of the second telescopic rod assembly 15 extrudes the second wedge groove 11 of the sliding key 9, so that the sliding key 9 moves leftwards, the first ejector rod 16 slides upwards under the action of the elastic force of the first spring 18, the first ejector rod 16 completely slides into the first guide hole 12, and the interference to the workpiece in the die 7 is prevented.

In this embodiment, the top end of the second push rod 22 is provided with a second inclined pressing surface 26 corresponding to the second inclined wedge groove 11.

In this embodiment, the outer end of the slide hole 8 is provided with a plug 21 adapted to the outer end face of the slide key 9.

In this embodiment, the resilient structure 4 is a spring structure.

The rebound structure 4 may also be a rubber pad structure capable of elastic deformation.

The rebounding structure 4 is a spring telescopic rod mechanism, the spring telescopic rod mechanism comprises a sleeve and a guide rod, and a spring is arranged between the sleeve and the guide rod.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A punching and blanking composite die for adjusting a limiting plate comprises a base (1) and is characterized in that a male die (2) is arranged on the base (1), a material supporting plate (3) is sleeved on the male die (2), a rebounding structure (4) for supporting the material supporting plate (3) is arranged on the base (1), a guide post (5) is arranged on the base (1), an upper pressing die (6) is arranged on the guide post (5) in a sliding mode, a female die (7) is arranged at the bottom of the upper pressing die (6), a sliding hole (8) is transversely arranged on the female die (7), a sliding key (9) is arranged in the sliding hole (8), a first inclined wedge groove (10) and a second inclined wedge groove (11) are respectively arranged at two ends of the sliding key (9), a first guide hole (12) communicated with the sliding hole (8) is arranged on the top wall of a die cavity of the female die (7), the bottom of die (7) one side be equipped with second guiding hole (13) of slide opening (8) intercommunication, be equipped with in first guiding hole (12) with first oblique wedge groove (10) the first flexible pole subassembly (14) that suit, be equipped with in second guiding hole (13) with the flexible pole subassembly of second oblique wedge groove (11) the second (15) that suit, the inner end of slide opening (8) is equipped with third spring (27).

2. A punching and blanking compound die for adjusting limiting plates according to claim 1, wherein the first telescopic rod assembly (14) comprises a first top rod (16) and a first limiting step (17) arranged at the bottom of the first top rod (16), a first spring (18) is arranged at the bottom end of the first top rod (16), and a first limiting ring (19) adapted to the bottom end of the first spring (18) is arranged at the bottom end of the first guiding hole (12).

3. A punching and blanking compound die for adjusting limiting plates according to claim 2, wherein the top end of the first top rod (16) is provided with a first inclined pressing surface (20) adapted to the first inclined wedge groove (10).

4. A punching and blanking compound die for adjusting limiting plates according to claim 1, 2 or 3, wherein the second telescopic rod assembly (15) comprises a second top rod (22) and second limiting steps (23) arranged at two ends of the second top rod (22), a second spring (24) is arranged at the top of the second top rod (22), and a second limiting ring (25) adapted to the second limiting steps (23) at the bottom end of the second top rod (22) is arranged at the bottom end of the second guide hole (13).

5. A punching and blanking compound die for adjusting limit plates according to claim 4, wherein the top end of the second ejector rod (22) is provided with a second inclined pressing surface (26) corresponding to the second inclined wedge groove (11).

6. A punching and blanking compound die for adjusting limit plates according to claim 4, characterized in that the outer end of the slide hole (8) is provided with a plug (21) corresponding to the outer end face of the slide key (9).

7. A punching and blanking compound die for adjusting limit plates according to claim 4, characterized in that the rebound structure (4) is a spring structure.