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Micropore blanking structure and micropore blanking die

A micro-hole and mold technology, applied in perforation tools, manufacturing tools, safety equipment, etc., can solve the problems of high punch production cost, poor etching accuracy, and lack of strength, so as to facilitate later maintenance, reduce processing costs, and ensure The effect of blanking accuracy

Pending Publication Date: 2021-12-07
GOERTEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large number of micropores in a single product, the small hole spacing and the large project demand, the production and manufacture of metal mesh is extremely difficult and challenging.
As we all know, the current micropore forming methods are mainly die punching and etching. The appearance of etched micropores has no burrs, but the etching processing accuracy is poor, and the unit price of the product is high, which cannot meet the market demand; Because the punch structure for processing the hole is directly fixed on the upper die structure, it is not convenient for the later disassembly and maintenance of the punch structure. The length of the punch structure is at least 50.3mm. There is no strength during punching, and mass production cannot be realized. The production cost of the punch Higher, and the diameter of the working part of the punch is only 0.2mm, and the existing punch structure has no guide part, which cannot be guided during punching, and the punch is easy to bend and break, which affects the punching accuracy

Method used

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  • Micropore blanking structure and micropore blanking die
  • Micropore blanking structure and micropore blanking die
  • Micropore blanking structure and micropore blanking die

Examples

Experimental program
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Effect test

Embodiment 1

[0057] Depend on Figure 1 to Figure 4 Commonly shown, this embodiment discloses a micro-hole punching structure a, which specifically includes a punch holder 1 , a punch 2 , a spacer 3 and a stripping member 4 . Among them, the punch 2 is installed on the punch holder 1 and its lower part protrudes out of the punch holder 1; the cushion block 3 is installed above the punch holder 1, and is used to compensate the processing length of the punch 2 to share the punch. Cutting force; the off-board part 4 is located under the punch holder 1, and there is a guide through hole 41 for the lower part of the punch 2 to pass through, which is used to limit and guide the punch 2 during punching to prevent bending. break or break.

[0058] In this embodiment, the punch 2 includes a limiting head 21, a reinforcing part 22, and a punching part 23 that are sequentially connected and whose radial dimension gradually decreases; the lower end surface of the limiting head 21 and the peripheral s...

Embodiment 2

[0062] Depend on Figure 5 to Figure 8 Commonly shown, this embodiment discloses a microhole punching die, including a lower die structure 5, an upper die structure 6 vertically slidingly fitted with the lower die structure 5, and an upper die structure 6 arranged on the lower die structure 5 and the upper die structure. The middle mold structure 7 between 6; also includes the microporous punching structure a disclosed in the first embodiment. Wherein, the middle mold structure 7 comprises a lower stripping structure 72, at least one upper stripping structure 71 and an elastic floating connection structure 74 arranged between the upper stripping structure 71 and the lower stripping structure 72; the lower stripping structure 72 vertically Slidingly arranged above the lower die structure 5 and forming the first strip passage between the two; the cushion block 3, the punch holder 1 and the punch 2 are installed on the upper stripping structure 71; the lower stripping structure 7...

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Abstract

The invention discloses a micropore blanking structure and a micropore blanking die. The micropore blanking structure comprises a punch fixing seat, a punch, a cushion block and a plate stripping part, wherein the punch is arranged on the punch fixing seat; the cushion block is arranged above the punch fixing seat and is used for compensating the machining length of the punch so as to share blanking force; the plate stripping part is positioned below the punch fixing seat; and a guiding through hole for the punch to penetrate out is formed in the plate stripping part. The micropore blanking die comprises a lower die structure, an upper die structure, a middle die structure and the micropore blanking structure, wherein the middle die structure comprises a lower plate stripping structure, at least one upper plate stripping structure and an elastic floating connecting structure arranged between the lower plate stripping structure and the upper plate stripping structure; the lower plate stripping structure is vertically arranged above the lower die structure in a sliding manner; a first material belt channel is formed between the lower plate stripping structure and the lower die structure; the cushion block, the punch fixing seat and the punch are mounted on the upper plate stripping structure; and the plate stripping part is mounted in a second mounting through hole of the lower plate stripping structure. According to the micropore blanking structure and the micropore blanking die, the blanking strength is guaranteed, the machining cost can be reduced, the blanking precision is guaranteed, and later maintenance is facilitated.

Description

technical field [0001] The invention belongs to the technical field of punching microporous structure products, and in particular relates to a microporous punching structure and a microporous punching die. Background technique [0002] Usually, the metal mesh belt used to carry the sound module in electronic products has a microporous structure, the number of micropores on it is about 500, the micropores are φ0.2mm, and the hole distance is 0.39mm×0.46mm. The total project demand is 2.5 million. Due to the large number of micropores in a single product, the small hole spacing and the large project demand, the production and manufacture of metal mesh is extremely difficult and challenging. As we all know, the current micropore forming methods are mainly die punching and etching. The appearance of etched micropores has no burrs, but the etching processing accuracy is poor, and the unit price of the product is high, which cannot meet the market demand; Because the punch struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D28/34B21D55/00
CPCB21D28/34B21D55/00
Inventor 郑岩芦甲强郭晓伟
Owner GOERTEK INC