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Anti-rotation piercing punch

A technology of punching punch and anti-rotation, which is applied in the field of stamping dies, can solve problems such as fracture, unstable positioning, asymmetric punch structure, etc., and achieve the effect of preventing rotation, simple structure, and enhanced friction

Inactive Publication Date: 2016-03-02
WUZHONG DISTRICT GUANGFU LIANGSHENG MACHINERY FACTORY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the stamping die, the punching punch is often fastened to the punch fixing plate with screws and tilting blocks. The more common ones are single-sided limit grooves, and positioning pins are also used for positioning. However, these methods are not stable enough for positioning, and As a result, the structure of the punch is asymmetrical, and the punch is prone to breakage when it is working. Therefore, it is necessary to develop a punching punch that can effectively prevent the pressure from being stable and has a good anti-rotation effect.

Method used

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Embodiment Construction

[0012] The present invention is described below in conjunction with accompanying drawing.

[0013] The anti-rotation punching punch of the present invention comprises a stamping end 1 and a fixed end 2 fixed to the punch fixed plate; the tail end of the fixed end 2 is provided with an anti-rotation limiting block 3; the anti-rotation limiting The block 3 has a hexagonal cross section; the minimum diameter of the anti-rotation limiting block 3 is larger than the diameter of the fixed end 2 . The punching punch of the present invention has a simple structure and a reasonable design. The hexagonal anti-rotation limiter on the fixed end positions the punch at six sides, effectively solving the problem that the punching punch is easy to rotate during work.

[0014] Further description, the fixed end 2 is provided with a groove 4 close to the anti-rotation limiter 3, and a rubber ring 5 is installed in the groove 4, which strengthens the contact between the fixed end of the punch an...

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Abstract

The invention discloses an anti-rotation piercing punch which comprises a punching end and a fixed end, wherein the fixed end is fixed with a punch retainer; a blade is arranged on the edge at the lower end part of the punching end; an anti-rotation limited block is arranged at the tail end of the fixed end; the section of the anti-rotation limited block is hexagonal; the minimum diameter of the anti-rotation limited block is larger than the diameter of the fixed end; a groove is formed in a part close to the anti-rotation limited block at the fixed end; and a rubber ring is mounted in the groove. The anti-rotation piercing punch is simple in structure, is convenient to mount, and effectively solves the problem that the anti-rotation piercing punch is prone to rotate in operation.

Description

technical field [0001] The invention belongs to the technical field of punching dies, and in particular relates to a punching punch for anti-rotation. Background technique [0002] At present, in the stamping die, the punching punch is often fastened to the punch fixing plate with screws and tilting blocks. The more common ones are single-sided limit grooves, and positioning pins are also used for positioning. However, these methods are not stable enough for positioning, and As a result, the structure of the punch is asymmetrical, and the punch is prone to breakage when it is working. Therefore, it is necessary to develop a punching punch that can effectively prevent the pressure from being stable and has a good anti-rotation effect. Contents of the invention [0003] In view of the above-mentioned technical problems, the object of the present invention is to propose a rotation-proof punching punch. [0004] The technical solution of the present invention is realized in t...

Claims

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Application Information

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IPC IPC(8): B21D28/34
CPCB21D28/34
Inventor 俞玉良
Owner WUZHONG DISTRICT GUANGFU LIANGSHENG MACHINERY FACTORY
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