Friction welding fixture for water-cooled motor shell

The utility model discloses a friction welding fixture for a water-cooled motor shell. The device comprises a base, a friction welding back plate and a lower bottom plate, one side of the friction welding back plate is detachably connected with the lower bottom plate through screws; the other side of the friction welding back plate is fixedly connected with the base through screws, one end of thebase is welded to the pressing piece, the center of the pressing piece is welded to the sliding groove, one side of the sliding groove is slidably connected with the limiting bolt, one end of the friction welding back plate is welded to the mounting plate, one side of the mounting plate is connected with the fixing plate through screws, and the outer surface of the friction welding back plate is connected with supporting plate pins. The cooling mechanism is formed by the water inlet pipe and the cooling water channel; meanwhile, the water inlet pipe is glued with one end of the cooling water channel, and the other end