Cylindrical cell end cover seal welding device

• Main Authors: RAN CHANGLIN, ZHOU ZHAOFEI, LIU JUN, ZENG WEIMING, LYU JIHAO
• Format: Patent
• Language: Chinese; English
• Published: 07.05.2024
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The utility model relates to the technical field of battery production, and provides a cylindrical battery cell end cover seal welding device which comprises a welding assembly, a bearing assembly and a rotary driving assembly. A welding head of the welding assembly extends to the cylindrical battery cell on the bearing assembly; the bearing assembly comprises a bearing mechanism. The bearing mechanism comprises a protection cover, a first carrier roller and a second carrier roller, each of the first carrier roller and the second carrier roller comprises a rotating shaft and an annular protruding part; the rotating shaft is arranged in the protective cover, the annular protruding part of the first carrier roller is located in the first open groove of the protective cover and extends out of the protective cover, the annular protruding part of the second carrier roller is located in the second open groove of the protective cover and extends out of the protective cover, and the edge of the annular protruding par