Metallic silicon grinding wheel

The utility model relates to the technical field of metal silicon grinding wheels, in particular to a metal silicon grinding wheel which comprises a grinding wheel center fixing plate, a grinding wheel outer ring and a center special-shaped groove, the outer side of the grinding wheel center fixing plate is fixedly connected with the grinding wheel outer ring, and the center special-shaped groove is formed in the middle of the grinding wheel center fixing plate. The bottom end of a center special-shaped groove formed in the middle of the grinding wheel center fixing plate is fixedly connected with a fixed special-shaped plate, the inner side of the upper end of the center special-shaped groove formed in the middle of the grinding wheel center fixing plate is slidably connected with a movable special-shaped plate, and the inner sides of the front end and the rear end of the movable special-shaped plate are rotationally connected with the upper ends of fixing screws. And by arranging a fixed special-shaped plat