Grinding wheel flange protective cover, grinding wheel assembly and grinding equipment

The utility model provides a grinding wheel flange protective cover, a grinding wheel assembly and grinding equipment. The grinding wheel flange protective cover is installed on a grinding wheel flange, the grinding wheel flange protective cover comprises a protective cover body, the protective cover body comprises a first panel, a second panel and a side plate, the first panel and the second panel are oppositely arranged, and the side plate is connected between the first panel and the second panel. And the first panel, the second panel and the side plates define an arc-shaped mounting groove, so that the protective cover body can be arranged on the edge of a circular grinding wheel flange in a sleeving manner. The grinding wheel flange protective cover can be arranged on the edge of the grinding wheel flange in a sleeving mode, so that dust is prevented from crystallizing and growing on the surface of the grinding wheel flange, the influence of dust crystallizing and growing on follow-up grinding wheel insta