Calcium aluminate powder grinding device for cement production

The utility model discloses a calcium aluminate powder grinding device for cement production. The device comprises a material box and a bottom plate, a material box is arranged at the top end of the bottom plate; grinding wheels are symmetrically mounted at the top end in the material box; the two grinding wheels are meshed with each other; one end of the grinding wheel is rotationally connected to one side of the gear set; the other side of the gear set is rotationally connected with the output end of a first motor; a material gathering hopper is arranged at the bottom end of the grinding wheel and fixedly installed in the middle of the interior of the material box, a screen is arranged at the bottom end of the interior of the material box, one end of the screen is inserted into the second inserting groove, one end of the screen is rotationally connected with a linkage rod, one end of the linkage rod is rotationally connected with a rotating block, and the rotating block is fixedly installed at the output en