Hopper body positioning structure

The utility model discloses a hopper body positioning structure which comprises a hopper body positioning piece used for being matched with the inner wall of a hopper body so as to support the hopper body. The number of the shaft seat hole positioning pieces is two, and the shaft seat hole positioning pieces are used for corresponding to the positions of the shaft seat holes of the hopper body in a one-to-one correspondence mode and located in a material cavity of the hopper body when the hopper body is positioned. When the hopper body positioning structure is used, the hopper body is buckled on the hopper body positioning structure in the state that the feeding port faces downwards and the discharging port faces upwards, the hopper body positioning pieces are matched with the inner wall of the hopper body, supporting and initial positioning of the hopper body are achieved, meanwhile, all the shaft seat hole positioning pieces correspond to all the shaft seat holes in the hopper body in position, and therefor