Steel grit recovery mechanism of mirror surface roller grinding treatment equipment

The utility model discloses a steel grit recovery mechanism of mirror surface roller grinding treatment equipment, which comprises a machine body, the machine body comprises a shell, a sieving plate is mounted on the inner wall of the shell in a fitting manner, a grinding knife is mounted above the sieving plate in a fitting manner, one side of the shell is connected with a discharging assembly through a pipeline, and the other side of the shell is connected with a grinding wheel through a pipeline. The discharging assembly is connected with an external air suction pump through a pipeline, after the mirror surface roller grinding treatment equipment is used for manufacturing steel grit, the steel grit can enter a machine body from a discharging opening of the equipment, and the steel grit which is ground into a fine sand shape can gradually fall into a bottom bin of the shell from dense holes of the screening plate; the discharging assembly sucks the steel grit into an external recycling box from the shell th