Adapter welding tool for lithium battery test

The utility model discloses an adapter welding tool for lithium battery testing, which comprises a mounting unit and a pressing unit, an extrusion unit is movably connected to the front end above the mounting unit, a fixing plate is fixedly connected to the rear end of the mounting unit, a battery cell placing position is arranged between the extrusion unit and the fixing plate, the lower end of the movable end of the pressing unit is aligned with a battery cell adapter, and the lower end of the movable end of the pressing unit is aligned with the battery cell adapter. The device is simple in structure and convenient to operate, welding quality defects caused by inaccurate positioning, glue explosion and untight pressing due to traditional bottom gluing are overcome, the laser welding qualification rate is increased, the production efficiency is improved, meanwhile, the device has high universality for welding square battery cells, the production cost is saved, and the practicability is greatly improved. 本实用新