Classical polishing device free of disc feeding

The utility model discloses a disc-mounting-free classical polishing device which comprises a disc body, a plurality of round hole units are arranged on one face of the disc body in a sunken mode, a bearing unit is arranged in each round hole unit in a rotating mode, a clamp unit is correspondingly arranged on each bearing unit, a clamp snap ring is arranged on the surface of each clamp unit, and the clamp snap rings are arranged on the surfaces of the clamp units. Nylon cloth is arranged in the clamp clamping rings in an attached mode, and parts to be polished are arranged in the corresponding clamp clamping rings and protrude out of the upper surfaces of the clamp clamping rings. By means of the mode, the essence of a traditional ring polishing technology is used for reference, meanwhile, a series of necessary influencing procedures such as disc feeding, heating, bonding, disc discharging and machine cleaning which can cause ultrathin part aperture error changes in the traditional classical polishing techno