Battery top cover pole welding tool

The invention discloses a battery top cover pole welding tool which comprises a base with a plurality of mounting positions, a first tool part arranged on one mounting position and used for clamping one end of a battery top cover, and a second tool part arranged on the other mounting position and used for clamping the other end of the battery top cover. And after the first tool part and/or the second tool part are/is changed in the mounting position, the distance between the first tool part and the second tool part is changed. Due to the adoption of the technical scheme, the application range is wide, and the production cost can be reduced. 本发明公开了一种电池顶盖极柱焊接工装，包括具有多个安装位的底座、设于其中一所述安装位上并用于装夹所述电池顶盖一端的第一工装部以及设于另一所述安装位上并用于装夹所述电池顶盖另一端的第二工装部，当所述第一工装部和/或第二工装部变换所处的安装位后，所述第一工装部和所述第二工装部的间距发生改变。由于采用了上述技术方案，本发明的适用范围广，且能够降低生产成本。