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High-speed forming process of chromium-zirconium-copper electrode cap for welding

A forming process and electrode cap technology, applied in the field of high-speed forming process of chrome-zirconium-copper electrode caps, can solve the problems of discharge end knife lines, high manufacturing cost, low production efficiency, etc., to solve the problem of depression, ensure surface quality, and improve production The effect of efficiency

Active Publication Date: 2021-12-28
TAICANG JIUXIN PRECISION MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In order to solve the deficiencies of the prior art, the present invention provides a high-speed forming process of chromium-zirconium copper electrode caps for welding, which solves the shortcomings of low production efficiency, high manufacturing cost, and knife marks on the discharge end in the traditional process. It also solves the problem of depression and surface quality of the discharge working end face of the copper electrode cap during high-speed upsetting

Method used

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  • High-speed forming process of chromium-zirconium-copper electrode cap for welding
  • High-speed forming process of chromium-zirconium-copper electrode cap for welding
  • High-speed forming process of chromium-zirconium-copper electrode cap for welding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Step 1: Cutting

[0049] Use a circular saw to saw the blank and blank it to obtain the blank 10, and the tolerance of the outer circle of the blank 10 is

[0050] +0.02mm;

[0051] Step 2: Cut

[0052] Place the blank 10 after blanking between the stop block 1 and the fixed knife 3, and cut the blank 10 to a preset size by moving the knife plate 2, and the weight tolerance of the blank 10 is +0.1g;

[0053] Step 3: The first plastic surgery

[0054] Put the blank 10 after cutting into the plastic mold for the first time and carry out the shaping of both ends and the outer circle to obtain rounded corners, such as figure 2 shown;

[0055] One end of the blank 10 put into the first shaping female mold 4 is offset against the first shaping ejector pin 5, and the first shaping punch 6 squeezes the other end of the blank 10 so that both ends of the blank 10 and For the shaping of the outer circle, the first shaping female mold 4 is provided with a profile matching the...

Embodiment 2

[0073] Step 1: Cutting

[0074] The blank 10 is obtained by cutting the blank with a circular saw, and the tolerance of the outer circle of the blank 10 is -0.01mm;

[0075] Step 2: Cut

[0076] Place the blank 10 after blanking between the stop block 1 and the fixed knife 3, and cut the blank 10 to a preset size by moving the knife plate 2, and the weight tolerance of the blank 10 is +0.1g;

[0077] Step 3: The first plastic surgery

[0078] Put the blank 10 after cutting into the plastic mold for the first time and carry out the shaping of both ends and the outer circle to obtain rounded corners, such as figure 2 shown;

[0079] One end of the blank 10 put into the first shaping female mold 4 is offset against the first shaping ejector pin 5, and the first shaping punch 6 squeezes the other end of the blank 10 so that both ends of the blank 10 and For the shaping of the outer circle, the first shaping female mold 4 is provided with a profile matching the fillet;

[008...

Embodiment 3

[0097] Step 1: Cutting

[0098] Using a circular saw to saw the blank and blank it to obtain the blank 10, the outer circle tolerance of the blank 10 is -0.02mm;

[0099] Step 2: Cut

[0100] Place the blank 10 after blanking between the stop block 1 and the fixed knife 3, and cut the blank 10 to a preset size by moving the knife plate 2, and the weight tolerance of the blank 10 is -0.1g;

[0101] Step 3: The first plastic surgery

[0102] Put the blank 10 after cutting into the plastic mold for the first time and carry out the shaping of both ends and the outer circle to obtain rounded corners, such as figure 2 shown;

[0103] One end of the blank 10 put into the first shaping female mold 4 is offset against the first shaping ejector pin 5, and the first shaping punch 6 squeezes the other end of the blank 10 so that both ends of the blank 10 and For the shaping of the outer circle, the first shaping female mold 4 is provided with a profile matching the fillet;

[0104] ...

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Abstract

The invention discloses a high-speed forming process of a chromium-zirconium-copper electrode cap for welding. The process comprises the following specific steps: blanking, shearing, shaping for the first time, shaping for the second time, forward extrusion, backward extrusion, backward extrusion of an inner hole, shaping of a working end surface, and shaping of the inner hole and an upper end surface. The process can improve the production efficiency and the product precision, prolongs the mold service life, solves the problem that the working end face is sunken in the upsetting process of a copper electrode cap is solved, and guarantees the surface quality of the working face.

Description

technical field [0001] The invention relates to the field of automobile welding, in particular to a high-speed forming process of a chromium-zirconium-copper electrode cap for welding. Background technique [0002] In the prior art, when the copper electrode caps for automobile welding are made of chrome-zirconium copper rods, the traditional manufacturing method is direct turning on a lathe, or extruding by cold extrusion. However, the traditional turning method can be used for Many varieties are produced in small batches, but the production efficiency is relatively low, the material utilization rate is low, and the manufacturing cost is high. The copper electrode cap processed by turning has turning knife marks on the end surface of the welding discharge, which affects the welding effect; although the cold extrusion forming process can be carried out Mass production, high production efficiency and material utilization, but multi-step forming is required, and there is a con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 吴海燕章立预邓伟陈兴华
Owner TAICANG JIUXIN PRECISION MOLD