Automobile workpiece overturning and welding workbench

The utility model discloses an automobile workpiece overturning and welding workbench, and belongs to the technical field of automobile workpiece machining. Comprising a main body device and a transmission mechanism, the main body device comprises a base, a motor, vertical plates and a turnover plate, the vertical plates are arranged at the top of the base, the turnover plate is rotationally connected between the two vertical plates, the transmission mechanism is arranged between the turnover plate and the motor, and the transmission mechanism comprises a sleeve, a gear ring, a first-stage planetary gear set and a second-stage planetary gear set. The sleeve is fixedly arranged on the side wall of the vertical plate, the end cover is arranged at the end of the sleeve, the output shaft is inserted into the sleeve and connected with the overturning plate, a rotating shaft of the motor is connected with the input shaft, the first-stage planetary gear set and the second-stage planetary gear set are arranged betwee