Grinding processing device suitable for feed processing

The utility model discloses a grinding processing device suitable for feed processing, which relates to the field of feed processing devices and comprises a box body, two ends in the box body are rotatably connected with main shafts, a shaftless packing auger is connected between the main shafts, auxiliary shafts are rotatably connected in the main shafts, and the outer walls of the auxiliary shafts are connected with cutting blades at intervals along the spiral direction of the shaftless packing auger. One end of the main shaft penetrates out of the box body to be connected with a driving structure, the end, penetrating out of the box body, of the main shaft is connected with a supporting structure, the other end, penetrating out of the box body, of the auxiliary shaft is connected with another driving structure, the inner diameter of the section of the shaftless auger is equal to the outer diameter of the section of the cutting blade, and the main shaft and the auxiliary shaft coincide in axis and are oppos