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A pole piece laser cutting system and method

A laser cutting and pole piece technology, which is applied in laser welding equipment, battery electrodes, structural parts, etc., can solve the problems of excessive cutting waste and low processing efficiency of laser cutting pole pieces, and achieve the effect of reducing cutting waste and improving processing efficiency

Active Publication Date: 2022-08-05
东莞市盛雄激光先进装备股份有限公司
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Problems solved by technology

[0005] The invention provides a pole piece laser cutting system and method, which solves the technical problems of low processing efficiency and more cutting waste in the current laser cutting pole piece

Method used

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  • A pole piece laser cutting system and method
  • A pole piece laser cutting system and method
  • A pole piece laser cutting system and method

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Embodiment Construction

[0058] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0059] For ease of understanding, see figure 1 , a pole piece laser cutting system provided by the present invention includes: a first laser 11, a second laser 12, a first scanning galvanometer 21 and a second scanning galvanometer 22;

[0060] The first laser 11 is used for emitting the first laser beam, and also used for emitting the first...

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Abstract

The invention relates to the technical field of pole piece processing, and discloses a pole piece laser cutting system and method. Laser cutting is performed on the to-be-cut sheet in a scanning field of view to form a pole ear, and at the same time, the laser beam emitted by the second laser is also transmitted through the second scanning galvanometer to the to-be-cut sheet in the preset second scanning field of view The laser cutting is performed on the body, and the first scanning galvanometer and the second scanning galvanometer are also used to perform laser cutting on the to-be-cut piece body according to their corresponding preset pole piece division paths, and the to-be-cut piece body is divided into a plurality of pole pieces, A plurality of pole pieces are equipped with pole lugs, wherein the width of the piece to be cut is equal to the sum of the widths of the plurality of pole pieces, which facilitates batch cutting of pole pieces, improves the processing efficiency of pole pieces, and greatly reduces cutting waste. .

Description

technical field [0001] The invention relates to the technical field of pole piece processing, in particular to a pole piece laser cutting system and method. Background technique [0002] Lithium battery is one of the most important power components in new energy vehicles and other products. It has only appeared for a short time and is in huge demand. In the prior art, the positive and negative pole pieces of the battery cells need to be cut in the process of forming the cells of the power battery. [0003] In the traditional die-cutting method, when cutting the positive and negative pole pieces, it needs to use die-cutting to process the tabs and pole pieces, and this process will cause burrs at the disconnection of the pole pieces after cutting, which is easy to damage the battery poles. Tablet performance can cause adverse performance effects. [0004] Although the laser cutting method can overcome the burr defect caused by the die cutting method, for example, the Chines...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/139B23K26/38B23K26/70B23K26/064B23K26/082
CPCB23K26/38B23K26/082B23K26/064B23K26/702
Inventor 陶雄兵刘鹏高杨但春果
Owner 东莞市盛雄激光先进装备股份有限公司
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