CN218425035U

CN218425035U - Hardware stamping die

Info

Publication number: CN218425035U
Application number: CN202222607991.2U
Authority: CN
Inventors: 郭耀华
Original assignee: Dongguan City Huayuansheng Hardware Products Co ltd
Current assignee: Dongguan City Huayuansheng Hardware Products Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-03
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a hardware stamping die, which comprises an upper die and a lower die; the upper die is provided with an upper die base, an upper base plate, an upper clamping plate, a stop plate and a stripper plate; the lower die is provided with a lower template, a lower cushion block and a lower die base, and the lower end of the lower die base is provided with a plurality of foot pads; the upper clamping plate is internally provided with a first punch, the first punch comprises a fixing part and a punch body which are detachably connected, the fixing part is fixed in the upper clamping plate, the fixing part is concavely provided with a T-shaped groove which extends in the front-back direction, correspondingly, the punch body forms a T-shaped block, the fixing part is connected with the punch body, and the T-shaped block is matched in the T-shaped groove; the upper backing plate is provided with a second punch head which is fixed in the upper backing plate; the distance between the lower end of the second punch and the lower template is greater than that between the lower end of the first punch and the lower template; its change and the maintenance of being convenient for first drift, moreover, after the equipment drift body, the drift body can not take place to rotate for the fixed part, ensures the stability and the reliability of first drift in the course of the work, improves the quality of product.

Description

Hardware stamping die

Technical Field

The utility model belongs to the technical field of a stamping die technique and specifically relates to indicate a hardware stamping die.

Background

At present, a stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called a cold stamping die (commonly called a cold stamping die).

The punch is one of the most important and common accessories in the stamping die, and in normal use, the punch is frequently disassembled for maintenance or replacement.

When needing dismouting drift to maintain among the prior art and changing, often need decompose whole stamping die, it is inefficient, not only influence the production progress, greatly increased the expenditure cost of enterprise moreover.

In addition, after the existing punch is disassembled and replaced, the existing punch is easy to slide in the working process, and the punching quality is influenced.

Therefore, in the patent application of the present invention, the applicant has elaborately studied a hardware stamping die to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to above-mentioned prior art exists, main aim at provides a hardware stamping die, its change and the maintenance of the first drift of being convenient for, moreover, after the equipment drift body, the drift body can not take place to rotate for the fixed part, ensures the stability and the reliability of first drift in the course of the work, improves the quality of product.

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

a hardware stamping die comprises an upper die and a lower die;

the upper die is sequentially provided with an upper die base, an upper base plate, an upper clamping plate, a stop plate and a stripper plate from top to bottom;

the lower die is sequentially provided with a lower die plate, a lower cushion block and a lower die base from top to bottom, and the lower end of the lower die base is provided with a plurality of foot pads;

a first punch is arranged in the upper clamping plate, the upper end of the first punch is fixed in the upper clamping plate, and the lower end of the first punch sequentially penetrates through the stop plate and the stripper plate;

the first punch comprises a fixing part and a punch body which are detachably connected, the upper end of the fixing part is fixed in the upper clamping plate, a T-shaped groove which extends in the front-back direction is formed in the lower end face of the fixing part in an upward concave mode, correspondingly, a T-shaped block which extends in the front-back direction is formed at the upper end of the punch body, the fixing part is connected with the punch body, and the T-shaped block is matched in the T-shaped groove;

a second punch is arranged in the upper base plate and is positioned on the right side of the first punch, the upper end of the second punch is fixed in the upper base plate, and the lower end of the second punch sequentially penetrates through the upper clamping plate, the stop plate and the stripper plate; and the distance between the lower end of the second punch and the lower template is greater than that between the lower end of the first punch and the lower template.

Preferably, the second punch and the first punch are identical in structure.

As a preferred scheme, the left end face of the fixing part is convexly provided with a connecting plate, and the left end face of the connecting plate is convexly provided with a protruding part.

As a preferred scheme, the connecting plate includes vertical portion and the slant portion of integrative connection in vertical portion lower extreme, the slant portion is from left to right slant downward setting.

As a preferable scheme, the device also comprises a first buoyancy lifting pin assembly and a second buoyancy lifting pin assembly;

the first buoyancy lift pin component comprises a first buoyancy lift pin, a first elastic component and a first stop screw, the upper end of the first buoyancy lift pin protrudes out of the upper end face of the lower template through a lower cushion block, the lower end face of the stripper plate is upwards concavely provided with a first groove used for accommodating the upper end of the first buoyancy lift pin, the lower end of the first buoyancy lift pin is connected with the upper end of the first elastic component, and the lower end of the first elastic component is fixed on the lower die base through the first stop screw.

Preferably, the second lift pin assembly comprises a second lift pin, a second elastic element and a second set screw;

the upper end of the second buoyancy lifting pin protrudes out of the upper end face of the stripper plate through the lower cushion block and the stripper plate in sequence, the lower end face of the stop plate is upwards concavely provided with a second groove used for containing the upper end of the second buoyancy lifting pin, the lower end of the second buoyancy lifting pin is connected with the upper end of the second elastic piece, and the lower end of the second elastic piece is fixed on the lower die seat through a second stop screw.

As a preferred scheme, the upper die base, the upper padding plate and the upper clamping plate are fixedly connected in sequence through first bolts, the lower die base is fixedly connected with the pad feet through second bolts, and the lower die plate, the lower padding block and the lower die base are fixedly connected in sequence through third bolts.

As a preferable scheme, the lower end of the first punch and/or the second punch is bonded with a fluorocarbon coating layer. The fluorocarbon coating layer has weather resistance, heat resistance and low friction.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly: the first punch is convenient to replace and maintain mainly through the detachable structural design of the first punch, and particularly, after the punch body is assembled through the matching of the T-shaped block and the T-shaped groove, the punch body cannot rotate relative to the fixing part, so that the stability and reliability of the first punch in the working process are ensured, and the quality of a product is improved;

secondly, through the cooperation of first buoyancy lift pin and second buoyancy lift pin, the backstop board is jacked earlier to the second buoyancy lift pin, drives the stripper plate and rises, and first buoyancy lift pin jacks the stripper plate again and rises, greatly reduced first buoyancy lift pin to the effort of stripper plate to make first buoyancy lift pin be difficult to take place the fracture, promote the security and the stability of mould greatly.

To illustrate the structural features and functions of the present invention more clearly, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of a mold clamping structure according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a first punch assembly according to a preferred embodiment of the present invention;

fig. 3 is an exploded view of a second punch according to a preferred embodiment of the present invention.

The reference numbers illustrate:

11. an upper die base 12 and an upper backing plate

13. Upper clamp plate 14, stopper plate

141. Second groove

15. Stripper plate 151 and first groove

16. First bolt

21. Lower template 22 and lower cushion block

23. Lower die holder 24 and foot pad

25. Second bolt 26, third bolt

30. First punch

31. Fixed part 311, T-shaped groove

32. Punch head body 321 and T-shaped block

33. Connecting plate

331. Vertical part 332 and diagonal part

34. Raised part

40. Second punch

511. A first lift pin 512 and a first elastic member

513. First stop screw

521. A second lift pin 522, a second elastic member

523. The second set screw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 3, a hardware stamping die includes an upper die and a lower die.

The upper die is sequentially provided with an upper die base 11, an upper backing plate 12, an upper clamping plate 13, a stop plate 14 and a stripper plate 15 from top to bottom; the upper die holder 11, the upper backing plate 12 and the upper clamping plate 13 are sequentially and fixedly connected through a first bolt 16.

The lower die is sequentially provided with a lower die plate 21, a lower cushion block 22 and a lower die seat 23 from top to bottom, and the lower end of the lower die seat 23 is provided with a plurality of foot pads 24; the lower die holder 23 is fixedly connected with a foot pad 24 through a second bolt 25, and the lower template 21, the lower cushion block 22 and the lower die holder 23 are sequentially and fixedly connected through a third bolt 26.

A first punch 30 is arranged in the upper clamping plate 13, the upper end of the first punch 30 is fixed in the upper clamping plate 13, and the lower end of the first punch 30 sequentially penetrates through the stop plate 14 and the stripper plate 15;

the first punch 30 includes a fixing portion 31 and a punch body 32, which are detachably connected, an upper end of the fixing portion 31 is fixed in the upper clamping plate 13, in this embodiment, a connecting plate 33 is convexly disposed on a left end surface of the fixing portion 31, and a protruding portion 34 is convexly disposed on a left end surface of the connecting plate 33. The connecting plate 33 includes a vertical portion 331 and an oblique portion 332 integrally connected to a lower end of the vertical portion 331, and the oblique portion 332 is disposed obliquely downward from left to right.

The lower end face of the fixing portion 31 is upwards concavely provided with a T-shaped groove 311 extending in the front-back direction, correspondingly, a T-shaped block 321 extending in the front-back direction is formed at the upper end of the punch body 32, the fixing portion 31 is connected with the punch body 32, and the T-shaped block 321 is matched in the T-shaped groove 311. When the punch body 32 needs to be replaced, the punch body only needs to be pulled out backwards. Through the cooperation of T type piece 321 and T type groove 311, be favorable to the dismouting of drift body 32, moreover, T type piece 321 can not produce the rotation for fixed part 31 after the equipment, ensures drift body 32 stability and reliability in the use.

A second punch 40 is arranged in the upper backing plate 12, and in the present embodiment, the second punch 40 and the first punch 30 have the same structure. The lower end of the first punch 30 and/or the second punch 40 is bonded with a fluorocarbon paint layer. The fluorocarbon coating layer has weather resistance, heat resistance and low friction. Preferably, the lower end of the first punch 30 and/or the second punch 40 is connected with the fluorocarbon paint layer through an acrylic adhesive.

The second punch 40 is positioned at the right side of the first punch 30, the upper end of the second punch 40 is fixed in the upper backing plate 12, and the lower end of the second punch 40 sequentially penetrates through the upper clamping plate 13, the stop plate 14 and the stripper plate 15; the distance between the lower end of the second punch 40 and the lower template 21 is greater than the distance between the lower end of the first punch 30 and the lower template 21.

The device also comprises a first floating lift pin assembly and a second floating lift pin assembly;

the first buoyancy lifting pin assembly comprises a first buoyancy lifting pin 511, a first elastic element 512 and a first set screw 513, wherein the upper end of the first buoyancy lifting pin 511 protrudes out of the upper end surface of the lower template 21 through the lower cushion block 22, the lower end surface of the stripper plate 15 is upwards concavely provided with a first groove 151 for accommodating the upper end of the first buoyancy lifting pin 511, the lower end of the first buoyancy lifting pin 511 is connected with the upper end of the first elastic element 512, and the lower end of the first elastic element 512 is fixed on the lower die base 23 through the first set screw 513.

The second lift pin assembly comprises a second lift pin 521, a second elastic element 522 and a second set screw 523;

the upper end of the second buoyancy lifting pin 521 protrudes out of the upper end surface of the stripper plate 15 through the lower cushion block 22 and the stripper plate 15 in sequence, the lower end surface of the stop plate 14 is recessed upwards to form a second groove 141 for accommodating the upper end of the second buoyancy lifting pin 521, the lower end of the second buoyancy lifting pin 521 is connected to the upper end of a second elastic member 522, and the lower end of the second elastic member 522 is fixed on the lower die base 23 through a second stop screw 523. After the stamping is finished, the upper die base 11 rises, the second floating lift pin 521 and the first floating lift pin 511 both bounce upwards under the action of corresponding elastic force, the second floating lift pin 521 jacks the stop plate 14 firstly to drive the stripper plate 15 to rise, the first floating lift pin 511 jacks the stripper plate 15 again to rise, and the action force of the first floating lift pin 511 on the stripper plate 15 is greatly reduced, so that the first floating lift pin 511 is not easy to break, and the safety and the stability of the die are greatly improved.

The utility model has the design key points that the first punch head is convenient to replace and maintain mainly through the detachable structural design of the first punch head, and particularly, after the punch head body is assembled through the matching of a T-shaped block and a T-shaped groove, the punch head body can not rotate relative to a fixed part, thereby ensuring the stability and reliability of the first punch head in the working process and improving the quality of products;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A hardware stamping die comprises an upper die and a lower die;

the method is characterized in that: a first punch is arranged in the upper clamping plate, the upper end of the first punch is fixed in the upper clamping plate, and the lower end of the first punch sequentially penetrates through the stop plate and the stripper plate;

a second punch is arranged in the upper backing plate and positioned on the right side of the first punch, the upper end of the second punch is fixed in the upper backing plate, and the lower end of the second punch sequentially penetrates through the upper clamping plate, the stop plate and the stripper plate; and the distance between the lower end of the second punch and the lower template is greater than that between the lower end of the first punch and the lower template.

2. The hardware stamping die according to claim 1, wherein: the second punch and the first punch are identical in structure.

3. The hardware stamping die of claim 1, wherein: the left end face of the fixing portion is convexly provided with a connecting plate, and the left end face of the connecting plate is convexly provided with a protruding portion.

4. The hardware stamping die of claim 3, wherein: the connecting plate is including vertical portion and integrative connection in the slant portion of vertical portion lower extreme, the slant portion sets up from left side to right slant downwards.

5. The hardware stamping die of claim 1, wherein: the device also comprises a first floating lift pin assembly and a second floating lift pin assembly;

6. The hardware stamping die of claim 5, wherein: the second floating pin assembly comprises a second floating pin, a second elastic element and a second set screw;

7. The hardware stamping die of claim 1, wherein: the upper die base, the upper padding plate and the upper clamping plate are fixedly connected in sequence through first bolts, the lower die base is fixedly connected with pad feet through second bolts, and the lower die plate, the lower padding block and the lower die base are fixedly connected in sequence through third bolts.

8. The hardware stamping die of claim 1, wherein: and a fluorocarbon coating layer is bonded at the lower end of the first punch and/or the second punch.