Production process of inner formation storage battery

A production process and battery technology, applied in lead-acid battery, lead-acid battery construction, battery pack components and other directions, can solve the problems of low casting and welding qualification rate, holes, high labor intensity, etc., and achieve good corrosion resistance. Effect

Active Publication Date: 2013-08-28
CHAOWEI POWER CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This semi-automatic casting and welding method is labor-intensive, the time and temperature of casting and welding are not easy to control, and quality problems such as false welding of tabs are prone to occur.
In recent yea

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  • Production process of inner formation storage battery
  • Production process of inner formation storage battery

Examples

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Example Embodiment

[0024] A production process of internalized storage battery, the process includes putting the electrode group into the assembly box, arranging the tabs, cutting and brushing the tabs, dipping in flux, casting and welding, inspection, passing down, and checking that the air source pressure is in the range of 0.45-0.7MPa Within, such as 0.45MPa or 0.5MPa or 0.6MPa or 0.7MPa can make the pneumatic parts of the casting and welding machine run smoothly, as follows.

[0025] Put the pole group into the assembly box: first check the quality of the packaged pole group and test the assembly pressure. The polarity of the adjacent electrode group conforms to the series sequence of the battery cells, and the polarity cannot be reversed.

[0026] Arranging the tabs: place the tab for correcting the tabs between the positive and negative tabs of the pole group, and use the tab shaping jig to correct the tabs of the pole group so that the tabs of the same row are on the same line to avoid th...

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Abstract

The invention discloses a production process of an inner formation storage battery, and belongs to the field of a lead-acid storage battery, and solves the easily occurring welding quality problem of a bus-bar and a lug. The process comprises the following steps of loading a plate group into an assembling box, arranging a lug, cutting and brushing the lug, dipping soldering flux, cast welding, inspecting and qualification and down-conversion, wherein the cast welding flow is carried out by adopting a cast welding machine. The cast welding flow comprises the following steps of (1) heating a lead pot; (2) loading a mold and preheating the mold; (3) scraping the lead liquid; (4) cast welding the plate group; (5) cooling the plate group through water; (6) cooling the plate group collectively through water and air; (7) cooling the plate group through the air; (8) loading the mold and preheating the mold again; and (9) loading the plate group into a tank. The production process is suitable for the cast welding of the inner formation storage battery with positive grid alloy being lead calcium tin aluminum or lead calcium alloy series grid.

Description

technical field [0001] The invention relates to the field of lead-acid storage batteries, in particular to a manufacturing process for internalized storage batteries. Background technique [0002] In the lead-acid battery industry, the national policy encourages the adoption of advanced internal synthesis technology and gradually restricts the production mode of external synthesis. In China, internal synthesis production technology has been paid more and more attention, and has attracted more and more attention from people. Internalization into welding is a very critical process. The traditional lead-acid battery welding process is manual welding with oxyacetylene. The traditional manual welding is usually to put the packaged pole group into the pole group box first, then snap the tabs into the comb board, and then shape and press them with clip strips. , and then place the cast parts at the position of the busbar parts, weld them with an oxyacetylene torch, remove the comb...

Claims

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Application Information

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IPC IPC(8): H01M10/12H01M2/28B22D25/04H01M50/541
CPCY02E60/10Y02P70/50
Inventor 周明明杜恩生张森
Owner CHAOWEI POWER CO LTD
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