Dust removal device of plastic granulator

The utility model discloses a dust removal device of a plastic granulator, which comprises a base, a granulator main body is arranged on the upper surface of the base, a feed hopper is arranged above the granulator main body, a cover plate is arranged on the upper surface of the feed hopper, a rotating motor is fixedly connected to the upper surface of the cover plate, and the rotating motor is fixedly connected to the lower surface of the feed hopper. An output shaft of the rotating motor is fixedly connected with a rotating shaft, an extrusion groove is formed in the position, located at the bottom, of the interior of the rotating shaft, an extrusion spring is fixedly connected to the inner top of the extrusion groove, a sliding block is fixedly connected to the bottom end of the extrusion spring, and a connecting rod is fixedly connected to the lower surface of the sliding block. According to the granulator disclosed by the utility model, the collecting disc is arranged at the bottom of the rotating shaft,