CN218611392U

CN218611392U - Stamping die

Info

Publication number: CN218611392U
Application number: CN202222315644.2U
Authority: CN
Inventors: 蒋辉; 蔡振猛; 蒋松柏
Original assignee: Shenzhen Tengxin Precision Electronic Core Material Technology Co ltd
Current assignee: Shenzhen Tengxin Precision Electronic Core Material Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-03-14
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a stamping die, include: the top of the four support columns is fixedly connected with the top plate; the stamping mechanism is arranged on the top plate and comprises a hydraulic cylinder fixedly connected to the top of the top plate, an upper die base is fixedly connected to the output end of the hydraulic cylinder, and a die head is fixedly connected to the bottom of the upper die base; install forming mechanism on the drain pan, forming mechanism includes fixed connection at the die holder at drain pan top and fixed connection at the motor that just reverses of drain pan inner wall bottom, fixedly connected with threaded shaft on the output shaft of the motor that just reverses, threaded shaft goes up threaded connection has the thread bush, the equal fixedly connected with connecting rod in both sides of thread bush. The die holder is convenient to eject the workpiece after punching is finished, so that the workpiece is effectively prevented from being difficult to take out due to the fact that the workpiece is clamped on the inner cavity of the die holder, the operation of workers is facilitated, and the punching efficiency is improved.

Description

Stamping die

Technical Field

The utility model relates to a stamping die technical field, in particular to stamping die.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

As in application No.: CN201921908120.6 discloses a stamping die with a replaceable stamping die head, which comprises a stamping rack, wherein a hydraulic rod is fixedly installed at the bottom of the stamping rack, a support ring fixedly connected with the hydraulic rod is sleeved on the hydraulic rod, the stamping die head is inserted into the bottom of the hydraulic rod, and hanging blocks are fixedly connected to the left side and the right side of the top of the stamping die head. The utility model discloses a, through pulling out two locating pins, let the stamping die head lose the restriction, can rotate, and let stabilising arrangement and stamping die head break away from, prevent that stabilising arrangement from causing the influence to the rotation of stamping die head, when the piece that articulates at stamping die top portion rotates spacing recess, it just leaks from spacing recess to articulate the piece, and then accomplish the dismantlement work to the stamping die head, make the dismantlement change of stamping die head convenient and fast more, improve the availability factor of punching press grinding apparatus, user's use has been made things convenient for.

However, the stamping die in the technology is inconvenient for demoulding the stamped workpiece, and the workpiece is easy to clamp on the inner cavity of the die holder and is not easy to take out after stamping is finished, so that the stamping efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stamping die, the convenient ejecting die holder of work piece after accomplishing to the punching press to effectually avoid not taking out because of the work piece card is difficult for that the work piece card caused on the die holder inner chamber, both made things convenient for staff's operation, improved punching press efficiency again.

In order to achieve the above object, the utility model discloses a main technical scheme include:

a stamping die, comprising:

the top parts of the four supporting columns are fixedly connected through a top plate;

the stamping mechanism is arranged on the top plate and comprises a hydraulic cylinder fixedly connected to the top of the top plate, an upper die holder is fixedly connected to the output end of the hydraulic cylinder, and a die head is fixedly connected to the bottom of the upper die holder;

install in forming mechanism on the drain pan, forming mechanism includes fixed connection and is in the die holder and the fixed connection at drain pan top are in the motor that is just reversing of drain pan inner wall bottom, fixedly connected with screw shaft on the output shaft of motor that is just reversing, threaded connection has the thread bush on the screw shaft, the equal fixedly connected with connecting rod in both sides of thread bush, two the equal fixedly connected with ejector pin in top of connecting rod, the equal activity in top of ejector pin runs through drain pan and die holder to extend to the inside of die holder, sliding connection has on the inner wall of die holder with die holder assorted mold core, the bottom of mold core with the top fixed connection of ejector pin.

Preferably, both sides of the bottom of the top plate are fixedly connected with limiting telescopic rods, and the bottoms of the limiting telescopic rods are fixedly connected with the top of the upper die base.

Preferably, the top of the threaded shaft is rotatably mounted on the top of the inner wall of the bottom shell through a limit bearing.

Preferably, still two guide bars that fixedly connected with symmetry set up on the inner wall of drain pan, two equal sliding connection has the uide bushing on the guide bar.

Preferably, one side of the guide sleeve, which is close to the connecting rod, is fixedly connected with the side surface of the connecting rod.

Preferably, the bottom of the mold core is fixedly connected with a butting pad.

Preferably, both sides of the mold core are fixedly connected with sliding blocks, and sliding grooves are formed in the inner wall of the lower die base and correspond to the sliding blocks.

Preferably, one side of the sliding block, which is close to the sliding groove, movably penetrates through the sliding groove, extends to the inside of the sliding groove, and is in sliding connection with the inner wall of the sliding groove.

Preferably, the surface roughness of the guide rod and the surface roughness of the guide sleeve are not more than Ra0.2.

The utility model discloses possess following beneficial effect at least:

the utility model discloses in, the convenient ejecting die holder of work piece after accomplishing to the punching press to effectually avoid not taking out because of the difficult that the work piece card caused on the die holder inner chamber, both made things convenient for staff's operation, improved punching press efficiency again.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the middle punching mechanism of the present invention;

fig. 4 is a schematic structural diagram of the middle forming mechanism of the present invention.

The reference numbers illustrate:

1. a bottom case; 2. a support pillar; 3. a top plate; 4. a stamping mechanism; 5. a molding mechanism;

401. a hydraulic cylinder; 402. an upper die holder; 403. a die head;

501. a lower die holder; 502. a positive and negative rotation motor; 503. a threaded shaft; 504. a threaded sleeve; 505. a connecting rod; 506. a top rod; 507. a mold core;

4021. limiting the telescopic rod; 5051. a guide bar; 5052. a guide sleeve; 5071. abutting the pad; 5072. a slider; 5073. a chute.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1 to 4, an embodiment of the present invention provides a stamping die, including: the bottom shell 1, a stamping mechanism 4 arranged on the top plate 3 and a forming mechanism 5 arranged on the bottom shell 1.

The four corners of the top of the bottom shell 1 are fixedly connected with supporting columns 2, and the tops of the four supporting columns 2 are fixedly connected through a top plate 3;

the stamping mechanism 4 comprises a hydraulic cylinder 401 fixedly connected to the top of the top plate 3, an upper die holder 402 is fixedly connected to the output end of the hydraulic cylinder 401, and a die head 403 is fixedly connected to the bottom of the upper die holder 402;

the forming mechanism 5 comprises a lower die holder 501 fixedly connected to the top of the bottom shell 1 and a forward and backward rotation motor 502 fixedly connected to the bottom of the inner wall of the bottom shell 1, a threaded shaft 503 is fixedly connected to an output shaft of the forward and backward rotation motor 502, a threaded sleeve 504 is in threaded connection with the threaded shaft 503, connecting rods 505 are fixedly connected to two sides of the threaded sleeve 504, ejector rods 506 are fixedly connected to the tops of the two connecting rods 505, the tops of the ejector rods 506 movably penetrate through the bottom shell 1 and the lower die holder 501 and extend into the lower die holder 501, a die core 507 matched with the lower die holder 501 is slidably connected to the inner wall of the lower die holder 501, and the bottom of the die core 507 is fixedly connected to the top of the ejector rod 506;

by adopting the technical scheme, the die holder can be conveniently ejected out of the workpiece after punching is finished, so that the workpiece is effectively prevented from being difficult to take out due to the fact that the workpiece is clamped on the inner cavity of the die holder, the operation of workers is facilitated, and the punching efficiency is improved.

The two sides of the bottom of the top plate 3 are fixedly connected with limiting telescopic rods 4021, and the bottom of the limiting telescopic rods 4021 is fixedly connected with the top of the upper die base 402;

through adopting above-mentioned technical scheme, increased the stability that roof 3 removed to improved the stability to work piece stamping forming.

Wherein, the top of the threaded shaft 503 is rotatably mounted on the top of the inner wall of the bottom shell 1 through a limit bearing;

by adopting the technical scheme, the rotation stability of the threaded shaft 503 is increased.

Wherein, the inner wall of the bottom shell 1 is further fixedly connected with two symmetrically arranged guide rods 5051, the two guide rods 5051 are both connected with guide sleeves 5052 in a sliding manner, and one side of each guide sleeve 5052 close to the connecting rod 505 is fixedly connected with the side face of the connecting rod 505;

by adopting the technical scheme, the moving stability of the connecting rod 505 is improved, so that the workpiece ejection stability is improved.

Wherein, the bottom of the mold core 507 is fixedly connected with an abutting pad 5071;

by adopting the technical scheme, the die core 507 can be stably supported inside the lower die holder 501, so that the stability of workpiece stamping is improved.

Wherein, both sides of the mold core 507 are fixedly connected with sliders 5072, a sliding groove 5073 is formed in the inner wall of the lower mold base 501 and corresponds to the slider 5072, one side of the slider 5072 close to the sliding groove 5073 movably penetrates through the sliding groove 5073, extends to the inside of the sliding groove 5073, and is in sliding connection with the inner wall of the sliding groove 5073;

through adopting above-mentioned technical scheme, increased the stability that mold core 507 reciprocated to the ejecting stability of work piece has been improved.

Specifically, in order to reduce noise generated when the guide rod 5051 and the guide bush 5052 operate, in the present embodiment, the surface roughness of each of the guide rod 5051 and the guide bush 5052 is not greater than ra0.2.

The utility model discloses a theory of operation is: a workpiece to be punched is placed on a mold core 507 in a lower mold base 501, then an upper mold base 402 is driven to move downwards through a hydraulic cylinder 401, so that the workpiece can be punched and formed through a mold head 403, after punching is completed, the hydraulic cylinder 401 returns to the original position, a forward and reverse rotation motor 502 is turned on, a threaded shaft 503 is driven to rotate, and under the action of threads of a threaded sleeve 504, an ejector rod 506 is driven to move upwards through a connecting rod 505, so that the workpiece after punching and forming can be ejected out of the lower mold base 501 through the mold core 507, and convenient demolding of the workpiece is achieved.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A stamping die, comprising:

the device comprises a bottom shell (1), wherein supporting columns (2) are fixedly connected to four corners of the top of the bottom shell (1), and the tops of the four supporting columns (2) are fixedly connected through a top plate (3);

the stamping mechanism (4) is installed on the top plate (3), the stamping mechanism (4) comprises a hydraulic cylinder (401) fixedly connected to the top of the top plate (3), an upper die holder (402) is fixedly connected to the output end of the hydraulic cylinder (401), and a die head (403) is fixedly connected to the bottom of the upper die holder (402);

the forming mechanism comprises a forming mechanism body (5) installed on the bottom shell (1), the forming mechanism body (5) comprises a lower die holder (501) fixedly connected to the top of the bottom shell (1) and a forward and reverse rotating motor (502) fixedly connected to the bottom of the inner wall of the bottom shell (1), a threaded shaft (503) is fixedly connected to an output shaft of the forward and reverse rotating motor (502), a threaded sleeve (504) is connected to the threaded shaft (503) in a threaded mode, a connecting rod (505) and a push rod (506) are fixedly connected to the two sides of the threaded sleeve (504) and the top of the connecting rod (505) respectively, the top of the push rod (506) is movably connected to the bottom shell (1) and the lower die holder (501) and extends to the inside of the lower die holder (501), a die core (507) matched with the lower die holder (501) is slidably connected to the inner wall of the lower die holder (501), and the bottom of the die core (507) is fixedly connected to the top of the push rod (506).

2. A stamping die as claimed in claim 1, wherein: both sides of the bottom of the top plate (3) are fixedly connected with limiting telescopic rods (4021), and the bottom of each limiting telescopic rod (4021) is fixedly connected with the top of the upper die holder (402).

3. A stamping die as claimed in claim 1, wherein: the top of the threaded shaft (503) is rotatably mounted on the top of the inner wall of the bottom shell (1) through a limiting bearing.

4. A stamping die as claimed in claim 1, wherein: the inner wall of the bottom shell (1) is further fixedly connected with two symmetrically arranged guide rods (5051), and two guide rods (5051) are connected with guide sleeves (5052) in a sliding mode.

5. A stamping die according to claim 4, characterised in that: one side of the guide sleeve (5052) close to the connecting rod (505) is fixedly connected with the side face of the connecting rod (505).

6. A stamping die as claimed in claim 1, wherein: the bottom of the mold core (507) is fixedly connected with a butting pad (5071).

7. A stamping die as claimed in claim 6, wherein: the equal fixedly connected with slider (5072) in both sides of mold core (507), just correspond on the inner wall of lower die holder (501) spout (5073) have been seted up to the position of slider (5072).

8. A stamping die as claimed in claim 7, wherein: one side of the sliding block (5072), which is close to the sliding groove (5073), movably penetrates through the sliding groove (5073), extends to the inside of the sliding groove (5073), and is in sliding connection with the inner wall of the sliding groove (5073).

9. A stamping die according to claim 4, characterised in that: the surface roughness of the guide rod (5051) and the surface roughness of the guide sleeve (5052) are not greater than Ra0.2.