Metal rod polishing device for hard alloy drill bit production

The utility model discloses a metal rod polishing device for hard alloy drill bit production, which comprises a rack, a clamping device is arranged at the left end of the rack, a sliding seat is arranged at the right end of the rack, and lug seats are arranged on the front side and the rear side of the sliding seat; a screw sleeve is arranged at the right end of the movable seat, and a first protective sleeve is arranged at the upper end of the movable seat; and the second protective sleeve is arranged at the right end of the first protective sleeve, a discharging opening is formed in the lower right end of the second protective sleeve, and the second protective sleeve is fixedly connected with the movable base. According to the metal rod polishing device for hard alloy drill bit production, in the polishing machining process, a metal rod can be kept more stable, the metal rod is more uniform in the polishing machining process, the surface quality is effectively improved, and meanwhile dust generated in the p