Auxiliary face shape fixing device

The utility model relates to the technical field of face fixing, in particular to an auxiliary face shape fixing device which comprises a fixing box, a lifting assembly is arranged at the bottom end of the fixing box, a clamping plate is arranged at the top end of the lifting assembly, and a sliding assembly is arranged in an inner cavity of the fixing box. The front side and the rear side of the top end of the sliding assembly extend to the front side and the rear side of the top end of the fixing box correspondingly and are fixedly provided with air cylinders correspondingly, and lifting plates are arranged at the output ends of the two air cylinders correspondingly. According to the auxiliary face shape fixing device, through the arrangement of the lifting assembly, the clamping plate can slide upwards, then the top end of the clamping plate is matched with the bottom end of the fixing box to clamp and fix the bed plate, then the device can be fixed, and the device can be disassembled and assembled only by