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Bending die with swing male dies

A technology for swinging punches and bending dies, applied in the field of bending dies, can solve the problems of easy springback of bending parts, low work efficiency, complex structure, etc., and achieve the effects of convenient operation, high work efficiency and simple structure

Inactive Publication Date: 2015-03-25
CHANGZHOU YONGAN SECURITY SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Bending parts are widely used in modern industries, automobiles, electrical appliances and other industries. Most of the existing molds for making bending parts have complex structures and cumbersome operations, and the bent parts are prone to rebound problems and low work efficiency.

Method used

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  • Bending die with swing male dies
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Experimental program
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Effect test

Embodiment Construction

[0013] Depend on figure 1 It can be seen that a bending die with a swing punch of the present invention comprises an upper die 1, a swing punch 2, a ejector 3 and a die 4, the ejector 3 is a cylinder, and the ejector 3 is fixed on On the lower surface of the upper die 1, the upper die 1 is provided with two punch grooves 5, and a swing punch 2 is arranged in each punch groove 5, and the two swing punches 2 are arranged oppositely. The die 4 is provided with two grooves 7 corresponding to the swing punch 2 , and a boss 8 is respectively arranged on both sides of the die 4 .

[0014] When working, the blank 9 is positioned by the boss on the die, the upper mold presses the blank, the swing punch extends into the groove, the swing punch swings left and right under the action of the groove, and finally it is bent and formed , After removing the upper mold, use tweezers to shape it.

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PUM

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Abstract

The invention relates to a bending die with swing male dies. The bending die with the swing male dies comprises an upper die, the swing male dies, a workpiece ejector and a female die. The workpiece ejector is columnar and fixed to the lower surface of the upper die. The upper die is provided with two male die grooves. Each swing male die is arranged in the corresponding male die groove. The two swing male dies are arranged oppositely. The female die is provided with two grooves corresponding to the swing male dies. The two sides of the female die are each provided with a boss. After the structure is adopted, the bending die with the swing male dies is simple in structure, convenient to operate, high in working efficiency and capable of effectively solving the problem that bent parts rebound.

Description

technical field [0001] The invention relates to a bending die, in particular to a bending die with a swing punch. Background technique [0002] Bending parts are widely used in modern industry, automobiles, electrical appliances and other industries. Most of the existing molds for making bending parts are complex in structure and cumbersome to operate, and the bending parts are prone to springback and low in work efficiency. Contents of the invention [0003] The object of the present invention is to provide a bending die with a swinging punch which has simple structure, convenient operation, high work efficiency and can prevent the rebound of bending parts. [0004] The technical scheme that realizes the object of the present invention is as follows: [0005] A bending die with a swing punch, comprising an upper die, a swing punch, a ejector and a die, the ejector is a cylinder, the ejector is fixed on the lower surface of the upper die, and the upper die Two punch groo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10B21D7/028
CPCB21D37/10B21D7/028
Inventor 曹亚红
Owner CHANGZHOU YONGAN SECURITY SERVICE
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