Welding and positioning tool for power battery cover plate connecting piece and pole group tabs
A technology for welding positioning tooling and connecting pieces, applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve battery performance and cycle life attenuation, heating of battery cover connecting piece, affecting lithium battery parameter performance, etc. problems, to achieve the effect of improving efficiency, improving assembly quality, and ensuring long-term normal use
Pending Publication Date: 2020-05-15
LISHEN (QINGDAO) NEW ENERGY CO LTD
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Problems solved by technology
[0005] Nowadays, large-capacity batteries have stricter requirements on the welding of the tabs of the battery pole group. If the tabs are not welded firmly to the battery cover plate connection piece (that is, false welding), due to the high capacity of the battery, the battery cover will be damaged when charging and discharging at a la
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[0035] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0036] See Figure 1 to Figure 3 As shown, the present invention provides a welding positioning tool for the connecting piece of the power battery cover plate and the pole group tabs, which includes an integral support plate 3;
[0037] The front and rear ends of the bottom of the integral support plate 3 are respectively vertically connected with two spaced positioning pillars 2;
[0038] The lower ends of the four positioning pillars 2 are fixedly connected with the four corners of the rectangular positioning base plate 1;
[0039] The top of the overall support plate 3 is provided with a pole group fixed positioning plate 4 distributed around;
[0040] On the electrode assembly fixing and positioning plate 4, there are horizontally distributed batte...
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The invention discloses a welding and positioning tool for a power battery cover plate connecting piece and pole group tabs. The tool comprises an integral supporting plate, wherein each of the frontend and the rear end of the bottom of the integral supporting plate is perpendicularly connected with two corresponding positioning supporting columns distributed at intervals, the lower ends of the four positioning supporting columns are fixedly connected with the four corners of a positioning bottom plate correspondingly, a pole group fixing and positioning plate distributed in a surrounding manner is arranged at the top of the integral supporting plate, a battery pole group accommodating cavity is formed in the pole group fixing and positioning plate, the right end of the battery pole groupaccommodating cavity is connected with the lower end of a battery pole group in a clamped mode, the two battery tabs are arranged on the left side of the battery pole group, a welding seat is arranged below the battery tabs, the battery cover plate connecting piece needing to be welded is placed at the top of the welding seat, and the top surface of the right end of the battery cover plate connecting piece makes contact with the bottom surfaces of the battery tabs. According to the tool, the welding firmness of the battery cover plate connecting piece and the battery pole group tabs of a high-capacity lithium ion battery can be ensured, the welding assembly efficiency of the high-capacity power battery is improved, and the quality of the battery is ensured.
Description
Technical field [0001] The present invention relates to the technical field of batteries, in particular to a welding positioning tool for connecting pieces of power battery cover plates and pole groups. Background technique [0002] At present, lithium-ion batteries have the advantages of high specific energy, many cycles of use, and long storage time. They are not only widely used in portable electronic devices such as mobile phones, digital cameras and laptop computers, but also widely used in electric vehicles and electric bicycles. And large and medium-sized electric equipment such as electric tools. [0003] With the worldwide energy crisis and climate warming, there is an urgent need for a brand-new energy model in the transportation field. Li-ion batteries have attracted widespread attention in the transportation field due to their green environmental protection and high energy output. , Relevant industries around the world have carried out extensive research on the applica...
Claims
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Login to View More IPC IPC(8): B23K37/04
CPCB23K37/0426
Inventor 李敬刘萍张娜
Owner LISHEN (QINGDAO) NEW ENERGY CO LTD