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Punching male die structure

A technology of punching punches and punches, applied in the direction of punching tools, metal processing equipment, manufacturing tools, etc., can solve the problems of bad indentation of stamping parts, accidents of laminations hitting the cutting edge, etc., and achieve the effect of simple structure

Inactive Publication Date: 2017-08-22
柯利佳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The punching waste from high-speed stamping bounces back to the surface of the die, which will cause bad indentations on the stamping parts, or cause edge collision accidents in laminate stamping

Method used

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  • Punching male die structure

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Embodiment Construction

[0009] The present invention will be further described now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0010] Such as figure 1 The structure of a punching punch shown includes a cylindrical punch 1, a blind hole 2 is provided in the center of the lower end face of the punch 1, and the blind hole 2 is in an inverted cone shape, and the blind hole 2 is provided with a top to prevent punching waste 5. Jump out of the rubber column 3 of the straight hole of the die 6, the upper end of the rubber column 3 is against the bottom surface of the blind hole 2, the lower end of the rubber column 3 protrudes from the blind hole 2, and the small hole end of the inverted tapered blind hole 2 can block the elastic rubber column 3 from The inside of the blind hole 2 falls off, and...

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PUM

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Abstract

The invention discloses a punching male die structure which comprises a cylindrical male die. The center of the lower end face of the male die is provided with a blind hole which is in an inverted conical shape and is internally provided with a rubber column. The upper end of the rubber column abuts against the bottom face of the blind hole. The lower end of the rubber column stretches out of the blind hole. The upper end and the lower end of the conical face of the blind hole are separately in arc connection with the bottom face of the blind hole and the lower end face of the male die.

Description

technical field [0001] The invention relates to a punching die structure. Background technique [0002] The punching waste from high-speed stamping bounces back to the surface of the die, which will cause bad indentations on the stamping parts, or cause edge collision accidents in laminate stamping. The reasons for the rebound of the punching waste are: the waste is adhered by the oil film; the waste and the end face of the punch produce vacuum adsorption, etc. Contents of the invention [0003] The technical problem to be solved by the present invention is: to overcome the deficiencies in the prior art, and provide a punching punch structure that prevents waste materials from bouncing back. [0004] The technical solution adopted by the present invention to solve the technical problem is: a punching punch structure, including a cylindrical punch, a blind hole is arranged in the center of the lower end of the punch, the blind hole is in the shape of an inverted cone, and ...

Claims

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Application Information

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IPC IPC(8): B21D28/34
CPCB21D28/34
Inventor 柯利佳
Owner 柯利佳