Laser penetration sealing equipment and method of lithium battery

A sealing equipment, lithium battery technology, applied in laser welding equipment, welding equipment, welding equipment and other directions, to achieve the effect of improving laser welding quality, increasing aesthetics, and ensuring stability

Inactive Publication Date: 2014-08-27
ZHEJIANG JINKAILAI NEW ENERGY TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the existing technology can no longer meet the needs of people's production, and there is an urgent need for a stable and r

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  • Laser penetration sealing equipment and method of lithium battery
  • Laser penetration sealing equipment and method of lithium battery
  • Laser penetration sealing equipment and method of lithium battery

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[0027] In order to make it easy to understand the technical means, creative features, objectives and effects achieved by the present invention, the present invention will be further explained below in conjunction with specific drawings.

[0028] Such as figure 1 As shown, a laser penetration sealing device for a lithium battery includes a laser welding machine main body 1, a three-degree-of-freedom welding table 2 and a clamping and fixing device 3. The bottom end of the laser welding machine main body 1 is provided with a cylindrical holder Seat 101, and a square platform 102 is provided on the front side of the main body 1 of the laser welding machine; the three-degree-of-freedom welding workbench 2 is installed on the square platform 102; the clamping and fixing device 3 is located on the three-degree-of-freedom welding workbench 2 It is directly above, and the clamping and fixing device 3 and the three-degree-of-freedom welding table 2 are connected by hexagon socket bolts.

[...

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Abstract

The invention relates to the field of lithium battery production, in particular to laser penetration sealing equipment of a lithium battery. The equipment comprises a laser welder body, a three-freedom-degree welding workbench and a clamping fixing device. The three-freedom-degree welding workbench is arranged on a square platform. The clamping fixing device is arranged right above the three-freedom-degree welding workbench. According to a laser penetration sealing method of the lithium battery, an electrode tab is pressed above a metal pushing column of the lithium battery, a cover plate is arranged right above the metal pushing column of the lithium battery, a square nickel metal piece is arranged in a cover plate groove, during laser welding, the nickel metal piece can be arranged in the cover plate groove in a filling mode after being molten, cracks and leakage points are generated, and the function of full sealing is achieved. The stability of a lithium battery welding position is guaranteed, the laser welding quality of the lithium battery is improved, the function of full sealing is achieved, and the attractiveness of welding is improved.

Description

technical field [0001] The invention relates to the field of lithium battery production, in particular to a laser penetration sealing device and method for lithium batteries. Background technique [0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as the negative electrode material and uses non-aqueous electrolyte solution; with the development of science and technology and economy, lithium battery is widely used in digital products, power tools, aircraft models and mobile computers. At present, lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Among them, lithium ion batteries are a kind of secondary batteries (rechargeable batteries), which mainly rely on lithium ions to move between the positive and negative electrodes to work. The production process of lithium batteries generally includes: batching, coating, rolling, cutting, slitting, welding, winding, packaging, baking, li...

Claims

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Application Information

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IPC IPC(8): B23K26/34B23K26/70B23K37/04
CPCB23K26/0861B23K26/206B23K35/001B23K37/0408
Inventor 叶张军张玉花梁文明
Owner ZHEJIANG JINKAILAI NEW ENERGY TECH
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