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Capacitor aluminum shell automatic production line processing technology

An automated production line and processing technology, applied in capacitors, electrical components, etc., can solve problems such as difficulty in meeting the explosion-proof level of aluminum shells

Inactive Publication Date: 2021-04-20
NANTONG XINLIAN ELECTRONICS PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: in order to solve the problem that the existing capacitor aluminum shell processing technology is difficult to meet the explosion-proof level of the aluminum shell, and propose a capacitor aluminum shell automatic production line processing technology

Method used

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  • Capacitor aluminum shell automatic production line processing technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] see figure 1 , an automatic production line processing technology for aluminum shells of capacitors, including the following steps: Step 1, heating and feeding, when the aluminum shell blanks are heated to 200-230 degrees Celsius in a heat treatment furnace, they are taken out and placed on a tray to stand empty for 1-2 minutes. The method can reduce the stamping force in the stamping process, and at the same time reduce the stress caused by deformation in the aluminum shell;

[0029] Step 2. Stamping. Use stamping equipment to stamp the aluminum shell blank in step 1 once, and hold the pressure for 2-3 minutes, then perform contact cooling with normal temperature water, and continue for 0.5-1min, demould and discharge, hold the pressure and Cooling can accelerate the shaping of the aluminum shell;

[0030] Step 3, cutting, cutting the semi-finished aluminum shell blank formed in step 2, removing excess material at the mouth, and polishing;

[0031] Step 4. Explosion-...

Embodiment 2

[0035] see figure 1 , an automatic production line processing technology for aluminum shells of capacitors, including the following steps: Step 1, heating and feeding, when the aluminum shell blanks are heated to 200 degrees Celsius in a heat treatment furnace, they are taken out and placed in a tray for 1 minute. This method can reduce Stamping force in the stamping process, while reducing the stress caused by deformation in the aluminum shell, shortening the processing time;

[0036] Step 2. Stamping. The stamping operation is carried out at a room temperature of 23-30 degrees Celsius. The stamping equipment performs a stamping of the aluminum shell blank in step 1, and keeps the pressure for 2 minutes, and then conducts normal temperature water contact cooling for 0.5 minutes. , demoulding and discharging, maintaining pressure and cooling, which can speed up the shaping of the aluminum shell and shorten the processing time; step 3, incision, cut the semi-finished aluminum s...

Embodiment 3

[0041] see figure 1 , a capacitor aluminum shell automatic production line processing technology, comprising the following steps: step 1, heating and feeding, when the aluminum shell blank is heated to 200 degrees Celsius in a heat treatment furnace, it is taken out and placed in a tray to stand empty for 1 minute;

[0042] Step 2. Stamping. The stamping operation is carried out at a room temperature of 23-30 degrees Celsius. The stamping equipment performs a stamping of the aluminum shell blank in step 1, and keeps the pressure for 2 minutes, and then conducts normal temperature water contact cooling for 0.5 minutes. , demoulding and discharging, maintaining pressure and cooling, which can speed up the shaping of the aluminum shell and improve processing efficiency; step 3, incision, cut the semi-finished aluminum shell billet formed in step 2, remove the excess material at the mouth, and polish it ;

[0043] Step 4. Explosion-proof. The aluminum shell formed in step 3 is em...

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Abstract

The invention discloses a capacitor aluminum shell automatic production line processing technology. The processing technology comprises the following steps: 1, heating and feeding: heating an aluminum shell blank to 200-230 DEG C by using a heat treatment furnace, taking out the aluminum shell blank, placing the aluminum shell blank in a tray, and standing for 1-2 minutes. The capacitor aluminum shell adopts the processing technology of feeding, punching, cutting, explosion prevention, stress relief and cleaning. In the feeding process, the aluminum shell blank is preheated, so that punch forming and deformation stress reduction in the punching process are facilitated; in the explosion prevention process, an explosion prevention layer made of epoxy resin is embedded in the aluminum shell, so the explosion prevention effect is further improved; in the stress relief process, the aluminum shell embedded with the explosion-proof layer is subjected to stress relief annealing at 450-490 DEG C, so that the internal stress of the aluminum shell can be greatly reduced, the deformation condition in the subsequent use process is avoided; and meanwhile, an oxide layer with a certain thickness is generated on the surface of the aluminum shell, so the explosion-proof grade of the aluminum shell is further improved.

Description

technical field [0001] The invention relates to the technical field of processing and manufacturing capacitor aluminum shells, in particular to an automatic production line processing technology for capacitor aluminum shells. Background technique [0002] At present, the process of processing aluminum shells of capacitors is generally as follows: stamping, then incision, then drilling explosion-proof grooves, and finally grinding these four processes at the incision. [0003] At present, due to the high level of explosion-proof requirements for capacitors, and the existing processing technology uses explosion-proof grooves on the shell to improve the explosion-proof level, which improves the explosion-proof level to a certain extent, but the explosion-proof level is low. Capacitor aluminum During the stamping, cutting and explosion-proof groove processing of the shell, there is a large stress inside the shell. During the use of the shell, it frequently undergoes thermal barr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G2/10B21D22/02
Inventor 钱江明钱宗建顾志军周建
Owner NANTONG XINLIAN ELECTRONICS PRODS
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