Burr removing device for plastic processing

The utility model discloses a burr removing device for plastic processing, which comprises a protective cover, the inner side of the protective cover is provided with a receiving drawer, the upper side of the receiving drawer in the protective cover is provided with a connecting assembly, the connecting assembly comprises two guide rails and a support frame, the support frame is provided with a driving motor, and the driving motor is connected with the connecting assembly. A supporting piece is arranged on the driving motor, the supporting piece comprises a supporting rod and a connecting shaft, a plurality of cleaning assemblies are arranged on the supporting rod, a containing groove is formed in the top of the protective cover, and clamping pieces are arranged on the two symmetrical sides of the containing groove in the protective cover. The positions of the moving blocks on the two sides are adjusted by screwing the screws, so that the two polishing heads are staggered and attached to the inner wall and th