Dustproof-type rotating shaft

The utility model relates to a dustproof-type rotating shaft which comprises a rotating shaft body, a clamping head arranged in the rotating shaft body, a grinding head handle fixedly embedded in the clamping head, a dustproof cover, an O-shaped sealing ring and a dustproof cap. The dustproof cap is fixedly connected with an opening end of the rotating shaft body, the dustproof cover is fixedly connected with the dustproof cap, the O-shaped sealing ring is embedded in the dustproof cover, the dustproof cover is provided with a first through hole for inserting and placing of the grinding head handle, the dustproof cap is provided with a second through hole for inserting and placing of the grinding head handle, and inner diameter of each of the first through hole, the second through hole and the O-shaped sealing ring is matched with outer diameter of the grinding head handle. By the dustproof-type rotating shaft, cleanliness of the clamping head and the rotating shaft body can be maintained, entering of chippin