Grinding device for boron nitride production

The utility model relates to the technical field of boron nitride production equipment, in particular to a material grinding device for boron nitride production, which comprises a material grinding machine shell, four corners of the lower end of the material grinding machine shell are fixedly communicated with supporting legs, one side end of the material grinding machine shell is fixedly connected with a feeding hopper, and the lower end of the material grinding machine shell is fixedly communicated with a discharging hopper. A material grinding barrel is arranged on the inner side of the material grinding machine shell, a plurality of discharging holes are formed in the material grinding barrel, a driving motor is fixedly connected to the outer wall of the side, away from the supporting legs, of the material grinding machine shell, the output end of the driving motor movably penetrates through the material grinding machine shell and is fixedly connected with the material grinding barrel, and a first dredgin