Cleaning and finishing disc

The utility model relates to a cleaning and finishing disc which is characterized by comprising a positive surface and a negative surface, wherein the positive surface is a finishing surface, the negative surface is a cleaning surface, outside teeth are arranged at the periphery of the cleaning and finishing disc and are meshed with inside and outside transmission teeth on a polishing lower die, a center hole is formed in the center of the finishing surface, a diamond layer is plated on the surface of the finishing surface, a groove is also formed on the finishing surface, a filtrate hole is formed at the center part of the cleaning surface, the surface of the cleaning surface is fixedly connected with bristles through a rope, and the bristles are densely arranged on the surface of the cleaning surface. According to the cleaning and finishing disc provided by the utility model, in the structure, even number of cleaning and finishing discs are arranged in the polishing lower die, and two adjacent cleaning and