Metal piece machining and positioning device

The utility model discloses a metal piece machining positioning device, which belongs to the technical field of metal piece machining and comprises a supporting seat, two groups of sliding grooves are formed in the outer surface of the supporting seat, sliding blocks are connected to the inner walls of the two groups of sliding grooves in a sliding mode, and adjusting screw rods are connected to the inner walls of the two groups of sliding blocks in a threaded mode. Motors are fixedly installed on the inner side walls of the two sets of sliding grooves, the output ends of the two motors are fixedly connected with the ends, away from each other, of the two sets of adjusting screws correspondingly, supporting plates are fixedly connected to the upper surfaces of the two sliding blocks correspondingly, and electric push rods are fixedly installed on the side faces, close to each other, of the two sets of supporting plates correspondingly; the telescopic ends of the two sets of electric push rods are fixedly conn