Copper bar laser welding process method, IGBT module assembly and new energy automobile
A technology of laser welding and process method, which is applied in the direction of laser welding equipment, welding equipment, welding/welding/cutting items, etc., and can solve problems such as low efficiency and uncontrollable quality
Pending Publication Date: 2021-04-09
SHENZHEN VMAX NEW ENERGY CO LTD
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Problems solved by technology
[0003] In order to solve the defects existing in the prior art, the present invention proposes a copper bar laser welding process, an IGBT module assembly and a new energy vehicle. Low efficiency and uncontrollable quality problems
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[0026] The laser welding process proposed by the present invention is suitable for the processing and production of copper bars. The copper bars include welded parts and base materials. One end of the base material is the processing end placed on the welded parts. Before welding, the copper bars are placed on the tray. The pallet is equipped with a positioning fixture that presses the processing end on the weldment, and the positioning fixture is used to achieve a stable lap between the processing end and the weldment to ensure welding quality. The tray is placed on two conveyor belts set in parallel, and the copper bars are transported backwards through the two conveyor belts. The copper bars pass through the pre-inspection station and the welding station in turn, and the rear side of the pre-inspection station and the rear of the welding station. Both sides are equipped with a height-adjustable stop mechanism, which prevents the pallet from continuing to move backwards. The ...
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The invention discloses a copper bar laser welding process method, an IGBT module assembly and a new energy automobile. The copper bar laser welding process method comprises the following steps of placing a weld part and a base material on a tray for positioning to make the machining end of the base material lapped at the edge of the weld part; conveying the tray to a pre-checking station; checking whether lapping of the weld part and the machining end is qualified or not; if yes, conveying the tray to a welding station; and welding and fixing the weld part and the machining end through a laser welding system. According to the method, an automatic laser welding process is designed, the tray is used for positioning a copper bar, the tray is conveyed to the pre-checking station to check whether lapping is qualified or not and then conveyed to the welding station for welding, a laser welding system detects various parameters in the welding process in real time, the working state is adjusted in time, the production efficiency is effectively improved, and the production quality can be accurately controlled.
Description
technical field [0001] The invention relates to the technical field of welding technology, in particular to a copper bar laser welding process method, an IGBT module assembly and a new energy vehicle. Background technique [0002] With the demand for energy conservation, emission reduction and control of air pollution, new energy vehicles (pure electric and hybrid vehicles) are becoming the new main force in the automotive industry and developing rapidly, and the electric drive system applied to new energy vehicles has also emerged and gradually Mature and achieve mass production. New energy vehicle electric drive systems all have IGBT module components. IGBT module components include IGBT modules and copper bars connected to the IGBT modules. The copper bars are composed of welding parts and base materials. The welding parts are fixedly connected to the IGBT modules, and the base material is terminal posts. , The weldment and the base material are fixed by welding. The tra...
Claims
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IPC IPC(8): B23K26/21B23K26/70
CPCB23K26/21B23K26/702B23K2103/12
Inventor 冯颖盈姚顺郭珏王大峰
Owner SHENZHEN VMAX NEW ENERGY CO LTD