Automatic welding clamping machine

The utility model relates to the technical field of welding, in particular to an automatic welding clamping machine which comprises a base, supporting plates are arranged at the two ends of the top of the base, rotating shafts are rotationally connected into the supporting plates, electric push rods are arranged on one sides of the rotating shafts, and first flanges are arranged at the ends, away from the rotating shafts, of the electric push rods. A mounting plate is arranged on the side, away from the electric push rod, of the first flange, a clamping table is arranged at the bottom of the mounting plate, a supporting table is arranged at one end of the base, and a first motor is mounted at the top of the supporting table. According to the automatic welding clamping machine, through cooperative use of the mounting frame, the cross rod, the mounting table and the second motor, when the first motor is damaged, a worker can mount and use the second motor to replace the first motor to work, so that the shutdown