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Continuous forming method for thin terminal

A forming method and terminal technology, which is applied in the field of stamping processing, can solve the problems of structural deformation and easy punching damage of slender terminals, and achieve the effect of meeting the precision requirements

Active Publication Date: 2021-10-29
苏州铭峰精密机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The terminal is obtained from a metal strip with a thin sheet structure after multiple trimmings. If most of the outline of the terminal has been formed, then the end molding is not easy to handle, because the slender terminal structure will be produced when the end is pressed. deformation, and it is very difficult to carry out plastic positioning technology at this time
The thinner the terminal, the easier it is to break

Method used

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  • Continuous forming method for thin terminal
  • Continuous forming method for thin terminal
  • Continuous forming method for thin terminal

Examples

Experimental program
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Effect test

Embodiment

[0033] A thin terminal continuous molding method of the present invention, the steps include:

[0034] ① Use the head end and both sides of the metal strip 1 as the positioning, and cut out several positioning holes within the range of the processing unit. The design of the processing unit range includes an I-shaped connection reserve area and a product forming area between adjacent connection reserve areas. The positioning holes are located in the connection reserve area, and the product forming area is used to process terminal products. Such as figure 1 As shown, the positioning hole is used as the positioning datum during the stamping of the back section. The positioning holes include a first positioning hole 2a located on one side of the connecting reserved area, a second positioning hole 2b located on the other side of the connecting reserved area, and a third positioning hole 2c located in the middle of the connecting reserved area. The distance from the third position...

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Abstract

The invention belongs to the technical field of stamping machining, and relates to a continuous forming method for a thin terminal. The continuous forming method comprises the steps of (1) positioning hole punching, (2) tail end pre-cutting, (3) tail end chamfering, (4) tail end finishing, (5) edge cutting, and (6) blanking. In the step (2), a plurality of pre-cutting holes are cut in a product forming area with a positioning hole as the benchmark, the pre-cutting holes comprise side pre-cutting holes close to the side edge position of a metal material belt, the outlines of the side pre-cutting holes comprise a plurality of side-by-side protruding structures, the protruding height of the protruding structures does not exceed 2mm, and edge cutting is carried out after chamfering and finishing are carried out on the protruding structures. According to the method, the two ends of the terminal with the small size can be pre-formed into chamfering parts, then the rest outlines of the terminal are punched, the process is continuous, the structural precision of terminal chamfering is ensured, and the precision requirement of a client is met.

Description

technical field [0001] The invention relates to the technical field of stamping processing, in particular to a thin terminal continuous forming method. Background technique [0002] Terminals are metal products used to connect different electronic components, and are generally relatively slender parts. For the convenience of insertion, the ends of the terminals are often formed into a truss structure with a smaller outer side. The terminal is obtained from a metal strip with a thin sheet structure after multiple trimmings. If most of the outline of the terminal has been formed, then the end molding is not easy to handle, because the slender terminal structure will be produced when the end is pressed. deformation, and it is very difficult to carry out plastic positioning technology at this time. The thinner the terminal, the easier it is to break. [0003] Therefore, it is necessary to design a new forming method to allow the terminal to obtain the desired structure quickl...

Claims

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Application Information

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IPC IPC(8): B21D35/00B21D43/00H01R43/16
CPCB21D35/002B21D43/003H01R43/16
Inventor 顾大明
Owner 苏州铭峰精密机械有限公司
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