Powder processing mixer

The utility model discloses a powder processing mixer which comprises a mixing box, a mixing cavity is formed in the mixing box, first rotating shafts are evenly arranged in the mixing cavity, one ends of the first rotating shafts are movably installed on the inner wall of the mixing cavity, and the other ends of the first rotating shafts are movably installed on the mixing box. One end of the first rotating shaft movably penetrates through the side wall of the mixing box, the other end of the first rotating shaft movably penetrates through the side wall of the mixing box and is fixedly provided with a first bevel gear, mixing rods are uniformly and fixedly arranged on the first rotating shaft, a supporting plate is fixedly arranged on the outer wall of the mixing box, and a first control motor is fixedly arranged at the upper end of the supporting plate. Feeding of the feeding pipe can be facilitated through the conical feeding hopper, the feeding pipe can be protected through the sealing cover when the feed