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A battery sealing welding method

A welding method and battery technology, applied in welding equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems of battery positioning error welding effect, etc., and achieve the effect of improving welding quality and reducing jumping error

Active Publication Date: 2021-07-30
WUHAN YIFI LASER EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The invention provides a battery sealing welding method to solve the technical problem of poor welding effect caused by battery positioning error when welding the battery sealing in the prior art

Method used

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  • A battery sealing welding method
  • A battery sealing welding method

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Embodiment Construction

[0021] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

[0023] The em...

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Abstract

The present invention relates to the technical field of battery processing equipment, and provides a battery sealing welding method, comprising: fixing the battery between a pressing block and an ejector pin, making the tip of the welding torch face the battery sealing, starting a servo motor to rotate the battery, Start the torch to weld the seal. The battery sealing welding method provided by the present invention adopts the pressing block and the ejector pin to respectively fix the two ends of the battery, wherein, since the contact mode between the ejector pin and the battery is a point contact, it is convenient to center when clamping, and when the battery rotates, It can reduce the beating error of the battery and improve the welding quality.

Description

technical field [0001] The invention relates to the technical field of battery processing equipment, in particular to a battery sealing and welding method. Background technique [0002] With the support of the country's new energy policy, the lithium battery industry has developed rapidly in recent years. In the production process of lithium batteries, the current collecting plate must be welded to both ends of the battery cell first, then the cover plate and the shell are combined together, and finally the shell and the cover plate are sealed and welded. [0003] In the existing battery sealing welding method, after the battery is clamped and positioned, the battery is welded while rotating, and there will be a certain jump tolerance when the battery is rotated, and there is also a certain error when the cover plate and the battery case are assembled, so that the cover plate The gap between the battery case and the battery case is not uniform in the circumferential directi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K31/02B23K37/053B23K37/02B23K37/00B08B15/04
CPCB08B15/04B23K31/02B23K37/00B23K37/0211B23K37/053B23K2101/36
Inventor 冉昌林雷波罗兆军陈欣梁瑞
Owner WUHAN YIFI LASER EQUIP CO LTD
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