Press fitting device of check ring

The utility model discloses a press fitting device of a check ring. The press fitting device comprises a permanent seat, an underframe and springs, wherein the underframe is connected with the permanent seat through bolts; a locating screw and a sliding rail are mounted on the permanent seat; two sliding blocks are connected with the sliding rail through the springs; a check ring spindle is arranged in circular holes of the sliding blocks; the check ring is mounted on the check ring spindle; a supporting plate, a control switch and a cylinder fixing seat are arranged on the underframe; a rotor workpiece is arranged in a groove of the supporting plate; a cylinder is fixed on the cylinder fixing seat; one end of the cylinder is connected with a press fitting push plate through a connecting block; adjusting screws are arranged in the front direction and the back direction of the underframe; adjusting bottom legs are respectively arranged on the four corners at the lower part of the underframe. The utility model relates to the field of automatic equipment for machining, and in particular to the press fitting device of the check ring. The press fitting device is high in efficiency, low in labor intensity and capable of meeting the requirement of large-scale production.