Quartz sand feeding device

The utility model discloses a quartz sand feeding device which comprises a feeding device body, the feeding device body comprises a feeding main machine, a discharging port, a fixing bottom plate, a connecting box, a feeding box and a mounting hole, the feeding main machine is fixedly welded to the upper surface of the fixing bottom plate, the discharging port is fixedly welded to the top end of one side of the feeding main machine, and the connecting box is fixedly welded to the top end of the other side of the feeding main machine. The connecting box is arranged at the bottom end of one side of the feeding main machine. By designing the reinforcing mechanism, when the feeding device body is used, a bolt penetrates through a mounting hole to rotate into a groove, a rotating head rotates to drive a two-way lead screw to rotate in situ, and when the two-way lead screw rotates in situ, two moving heads are driven to oppositely move on the outer surface of the two-way lead screw; and when the movable head moves,