Battery cell rubberizing device and battery assembly production line

The utility model relates to a battery cell rubberizing device and a battery assembly production line, the battery cell rubberizing device comprises: a rubberizing module, the rubberizing module comprises a rubberizing member and a rubberizing motion module, the rubberizing member is provided with an adhesive tape, the rubberizing motion module drives the rubberizing member to move in a second direction and a third direction, and the rubberizing motion module drives the rubberizing member to move in a second direction and a third direction; the adhesive tape is sequentially attached to the bottom surface, the side surface and the top surface of the battery cell; and the driving end of the transposition linear module moves along the first direction of the battery cell and is connected with the rubberizing module. The transposition linear module drives the rubberizing module to move for multiple times, so that the rubberizing module can perform rubberizing on the battery cell for multiple times, and a film on t