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Invention Grant
US08399804B2 Method for manufacturing prismatic battery, and laser welding jig and laser welding device for manufacturing the same 有权
棱柱电池的制造方法，激光焊接夹具及其制造用激光焊接装置

Method for manufacturing prismatic battery, and laser welding jig and laser welding device for manufacturing the same
Abstract:
A laser welding device for manufacturing a prismatic battery 10 of the invention has a pair of jigs 12A, 12B for securing a prismatic battery outer can B1, a gas supply section for supplying inert gas to welding points of a sealing cover B2 fitted to the prismatic battery outer can B1, and a laser unit 11 for irradiating laser beam. Each of the jigs 12A, 12B is provided with a slit-shaped blower outlet and the blower outlet is positioned below the welding points. The inert gas is supplied to the blower outlet from the gas supply section and is blown from the blower outlet to the welding points from below. The laser welding device for manufacturing a prismatic battery 10 can obtain a laser welding device that welds the sealing cover B2 fitted to the prismatic battery outer can B1 fast, preventing weld droops and allowing uniform welding.
Abstract(Chinese):

用于制造本发明的棱柱形电池10的激光焊接装置具有一对用于固定棱柱形电池外罐B1的夹具12A，12B，用于将惰性气体供应到安装在棱柱形的密封盖B2的焊接点的气体供给部 电池外壳B1和用于照射激光束的激光单元11。 每个夹具12A，12B设置有狭缝状鼓风机出口，鼓风机出口位于焊接点的下方。 惰性气体从气体供给部供给到鼓风机出口，并从鼓风机出口从下方吹送到焊接点。 用于制造棱柱形电池10的激光焊接装置可以获得激光焊接装置，其快速焊接装配到棱柱形电池外筒B1的密封盖B2，防止焊接凹陷并允许均匀焊接。

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