The auxiliary device for welding the steel plate drum motor shell includes a welding platform, the left end of the upper surface of the welding platform is provided with a support plate, the left side of the support plate is connected with a U-shaped bracket, the middle of the left side of the vertical rod of the U-shaped bracket is provided with a di expansion cylinder, the expansion rod of the di expansion cylinder extends through the U-shaped bracket to between the two cross bars of the U-shaped bracket, and the end of the expansion rod of the di expansion cylinder is connected with a support stopper, A support cylinder is sleeved on the support stopper to support and facilitate welding of the motor casing; The front and rear sides of the right end of the welding platform are provided with support bases, the inner side of the support base is provided with arc-shaped limit plates that match the support cylinder and are used to limit the motor casing, the right end of the welding platform is provided with moving parts that drive the support base to move forward and backward, and the rear support base is provided with welding auxiliary parts that are convenient for welding the wiring board to the motor casing.

The welding auxiliary device is simple in structure and convenient in operation. It can fix the motor shell of the steel drum, facilitate the welding of the motor shell and improve the working efficiency.