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Punch press

A technology of punching machine and punching head, which is applied in the direction of metal processing equipment, forming tools, manufacturing tools, etc. It can solve the problems of difficult insertion of punching head, deformation of bottom plate, deformation of side plate, etc., so as to avoid burns to staff and avoid Deformation of the bottom plate and the effect of avoiding wear

Inactive Publication Date: 2018-06-26
CHONGQING YINSHENG MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Punching the bottom plate of U-shaped parts is a relatively difficult process. When punching holes, due to insufficient space, it is difficult for the punching head to be inserted between the two side plates of the U-shaped part.
However, if the bottom plate of the U-shaped part is punched from the opposite direction, it is easy to cause deformation of the bottom plate due to the suspension of the bottom plate, and it is also easy to cause deformation of the side plate

Method used

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  • Punch press

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a punching machine includes a base 10, a guide rod 20, a sliding seat 30, a first magnet 41, a second magnet 42, a fixed seat 50, a punching head 60, a shrapnel 70, a rebound block 80, and a piston 91 and piston rod 92;

[0029] The guide rod 20 is vertically fixed on the upper surface of the base 10, and the sliding seat 30 is provided with a sliding through hole 31, and the guide rod 20 passes through the sliding through hole 31 and connects with the sliding through hole. 31 sliding fit; the first magnet 41 is arranged on the base 10, and the second magnet 42 is arranged on the sliding seat 30; the first magnet 41 and the second magnet 42 are arranged oppositely; the first magnet 41 and the second magnet 42 repel each other;

[0030] The fixing seat 50 is arranged on the upper surface of the base 10, and the upper surface of the fixing seat 50 is provided with a fixing groove 51; the elastic piece 70 is arranged in the fixing groove 51, an...

Embodiment 2

[0035] Such as figure 1 As shown, in this embodiment, on the basis of Embodiment 1, the upper surface of the fixing seat 50 is provided with two positioning holes 52, and the positioning holes 52 are symmetrically located in the fixing groove 51 relative to the fixing groove 51. on both sides.

[0036]During the punching process, the force of the punching head 60 may be transmitted to the two side plates of the U-shaped part through the bottom plate of the U-shaped part, and the two side plates are slightly deformed. For this purpose, positioning holes 52 are provided. When in use, the two side plates of the U-shaped part are inserted into the positioning hole 52, and the walls of the positioning hole 52 play a limiting role on the two side plates of the U-shaped part, thereby avoiding deformation of the side plates.

Embodiment 3

[0038] Such as figure 1 As shown, this embodiment is based on Embodiment 2, and the inner surface of the positioning hole 52 is provided with a rubber buffer layer 53 .

[0039] When the wall of the positioning hole 52 acts as a limit to the two side plates of the U-shaped part and prevents the deformation of the side plates, the pressure between the side plate and the wall of the positioning hole 52 will easily cause the side plates to be worn. For this reason, a rubber buffer layer 53 is provided to avoid direct contact between the side plate and the wall of the positioning hole 52, thereby preventing the side plate from being worn.

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PUM

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Abstract

The invention discloses a punch press, wherein a guide bar is vertically fixed to the upper surface of a base, a sliding through hole is formed in a sliding base, and the guide bar penetrates throughthe sliding through hole and is slidably matched with the sliding through hole; a first magnet and a second magnet repulses each other; a fixed seat is arranged on the upper surface of the base, and afixed slot is formed in the upper surface of the fixed seat; an elastic sheet is arranged in the fixed slot, a resilient block is arranged in the fixed slot and is slidably matched with the fixed slot, and the resilient block is supported by the elastic block; the upper surface of the resilient block is aligned to the upper surface of the fixed seat; a punch is arranged on the bottom surface of the sliding seat, and the punch is located right above the resilient block; the sectional area of the punch is smaller than that of the fixed slot; a cooling liquid cavity and a via hole are formed inthe fixed seat; and the punch press is also provided with a piston and a piston rod. When the punch press disclosed by the invention is used, a U-shaped part is unlikely to deform, and staff is not scalded when the U-shaped part is cleaned.

Description

technical field [0001] The invention relates to a punching machine. Background technique [0002] Punching the bottom plate of the U-shaped part is a relatively difficult process. When punching, due to insufficient space, it is difficult for the punching head to be inserted between the two side plates of the U-shaped part. And if the bottom plate of the U-shaped part is punched from the opposite direction, the bottom plate is suspended in the air, which will easily cause deformation of the bottom plate, and also easily cause deformation of the side plates. Contents of the invention [0003] The object of the present invention is to overcome the above-mentioned problems of the prior art and provide a punching machine. [0004] The purpose of the present invention is mainly achieved through the following technical solutions: [0005] A punching machine, comprising a base, a guide rod, a sliding seat, a first magnet, a second magnet, a fixing seat, a punching head, shrapnel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D28/32B21D37/16
CPCB21D28/32B21D37/16
Inventor 邱建华
Owner CHONGQING YINSHENG MOLD