As the core component of new energy vehicles, the quality of power battery directly determines the vehicle performance. Lithium battery manufacturing equipment generally includes front-end equipment, mid-end equipment and back-end equipment, and its equipment accuracy and automation level will directly affect the production efficiency and consistency of products. The new energy lithium battery welding technology is widely used in the lithium battery industry because of its own technical advantages. The new energy lithium battery welding technology is 3-10 times faster than the traditional welding technology, saves labor costs, is simple and easy to learn, and meets the needs of various lithium battery combinations.

What is a battery PACK? Xinde Laser believes that in the battery PACK industry, a battery that is not assembled for direct use is called a cell, and a complete battery that is connected with the PCM board and has functions such as charge and discharge control is called a cell. In pack components, the battery is a very key component. Some of the most commonly used cells in PACK are polymer, aluminum shell lithium ion, steel shell lithium ion, and cylindrical cell. With the development of pack technology, welding methods have also been improved, from the initial wire welding technique, to nickel sheet welding, to nickel sheet spot welding, to laser spot welding.

Laser welding scheme of Xindel laser square shell battery PACK production line

Project name: Battery module assembly and welding +PACK assembly project

Battery module welding items:

1. Realize the cell automatic feeding detection, cleaning, dispensing, automatic stacking into modules, strong compatibility, several and several strings can be arbitrarily combined, to achieve automatic production;

2. The electric cell is bundled manually and the connecting pole piece is installed;

3. Welding part, automatic identification of copper, aluminum, copper aluminum material, and then switch welding mode. (There are many product models, and the position of the connecting piece changes, so visual positioning and identification of materials are needed)

Under the premise of the rapid development of science and technology, labor costs are gradually increasing, and more and more enterprises begin to shift to automatic production mode. Automation can not only save labor costs, but also greatly improve production efficiency. With the maturity of domestic laser technology, laser welding technology is gradually popularized in various industries, laser welding equipment has been widely used in automobile manufacturing, metal processing, machining, aerospace and precision instruments and other fields.
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