Plastic pulverizer with anti-blocking function

The utility model discloses a plastic crusher with an anti-blocking function, and particularly relates to the technical field of crushers, the plastic crusher comprises a crushing box, a feed hopper is arranged at the top of the crushing box, a discharge pipe is arranged at the bottom of the crushing box, a crushing device is arranged in the crushing box, an anti-blocking device is arranged in the discharge pipe, and the anti-blocking device is arranged in the crushing box. The anti-blocking device comprises a third rotating rod, a cam, a fixing rod, a reciprocating plate and sliding rods, the third rotating rod is rotationally connected to the rear side wall of the discharging pipe, sliding grooves are formed in the left side wall and the right side wall of the discharging pipe correspondingly, the sliding rods are fixedly installed at the left end and the right end of the reciprocating plate correspondingly, the sliding rods slide in the sliding grooves, and the cam is fixedly installed at the front end of