Gantry-type automatic spot welding system for battery pack

An automatic spot welding and gantry-type technology, applied in the direction of resistance welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of enterprise loss, high welding labor intensity, unreliable welding, etc., to increase the number of installations and to reduce Labor intensity of workers, effect of improving spot welding efficiency and quality
CN102554437BActive Publication Date: 2014-06-04FUJIAN NEBULA ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FUJIAN NEBULA ELECTRONICS CO LTD
Publication Date
2014-06-04

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Abstract

The invention provides a gantry-type automatic spot welding system for a battery pack, which comprises a spot welding device and a spot welding jig fixing device which are vertically arranged and are connected with a PLC (programmable logic controller) of the system. The spot welding device comprises a beam, a group of opposite vertical columns in parallel, a spot welding mechanism, an X-axis sliding table, a Y-axis movement mechanism and an X-axis movement mechanism, wherein the vertical columns are used for adjusting the height of the beam, the X-axis sliding table is used for fixing the spot welding mechanism, the Y-axis movement mechanism enables the spot welding mechanism to transversely move, and the X-axis movement mechanism enables the X-axis sliding table to transversely move. The spot welding jig fixing device comprises a spot welding jig platen and a clamping mechanism for clamping a spot welding jig, wherein the clamping mechanism is arranged on the spot welding jig platen and is perpendicular to the spot welding mechanism. By the aid of a gantry-type structure, clamping is performed once, cells are numerous, spot welding parameters are controllable, and the system is fast in running speed, high in spot welding efficiency, highly adaptable to the cells, accurate in positioning and fine in spot welding quality.
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Description

【Technical field】

[0001] The invention relates to the technical field of automatic spot welding equipment for battery packs, in particular to a gantry-type automatic spot welding system for lithium batteries and power battery packs. 【Background technique】

[0002] The power battery pack is mainly used in electric vehicles, electric motorcycles and other fields. The battery cells used in the power battery pack are basically the same as other battery packs. The main feature is that the battery pack has a large capacity and a large number of battery cells. The difficulty is mainly It is reflected in the welding of the electric core. At present, most domestic manufacturers still adopt the traditional manual welding method. The specific operation is: 1. Pack the battery into the jig. 2. Install the nickel sheet. 3. Manual spot welding one by one. There are many defects in this mode, and it mainly shows in: 1, welding labor intensity is big and welding efficiency is low, and ve...

Claims

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