Auxiliary demolding device of injection molding machine

The utility model discloses an auxiliary demoulding device of an injection molding machine, which comprises an auxiliary box, a plurality of supporting legs are fixed on the bottom wall of the auxiliary box, a plurality of grooves are arranged on the surface of the auxiliary box, threaded rods are rotatably arranged in the grooves, a power chamber is arranged in the auxiliary box, a driving motor is arranged in the power chamber, and the driving motor is connected with the auxiliary box. The driving motor is connected with the threaded rod through a rotating mechanism, a nut is arranged on the outer wall of the threaded rod, an air extracting pump is fixedly arranged on the outer wall of the nut, and the nut is connected with the groove through a limiting mechanism. The anti-skid plates, the inserting rods, the elastic mechanisms and the protection plates are arranged, the protection effect is achieved, once an object is separated from the multiple suction cups, the object can be prevented from falling on the