Polishing flap wheel

The invention discloses a polishing flap wheel. The polishing flap wheel comprises a base body and a plurality of blades arranged on the periphery of the base body in the circumferential direction, wherein metal baffle discs connected with the base body are arranged on the two sides of the plurality of blades correspondingly, a thin film layer is arranged on the surface of each blade, the thin film layers adhere to the surfaces of the blades through glue, abrasive layers are arranged on the surfaces of the film layers, the abrasive layers adhere to the surfaces of the film layers through glue,a plurality of heat dissipation grooves are formed in the surface of each abrasive layer, and the plurality of heat dissipation grooves are formed in the surface of the corresponding abrasive layer at intervals; and a plurality of limiting parts are arranged on each metal baffle disc, a plurality of through holes are correspondingly formed in the metal baffle discs and the corresponding positionsof the blades, and the li