Injection molding machine convenient for extruding sizing material

The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine convenient for extruding sizing materials, which comprises a base, a charging barrel is welded at the upper end of the base, a heating sleeve is arranged on the outer side of the charging barrel, a feeding hopper is fixedly connected at the upper end of the charging barrel, and a supporting plate is fixedly connected in the feeding hopper. A motor is fixedly installed on the supporting plate, a rotating shaft of the motor is rotationally connected with the supporting plate, a filter screen is fixedly connected into the feeding hopper in a sleeved mode, and a rotating shaft is rotationally connected into the filter screen. By arranging the feeding hopper, the supporting plate, the motor, the rotating shaft, the cutting knife, the filter screen, the elastic block, the stop rod and other structures, plastic particles are filtered through the filter screen, the cutting knife is driven by t