Nanometer material grinding machine

The utility model provides a nanometer material grinding machine, and relates to the technical field of grinding machines. A nanometer material grinding machine comprises a first grinding mechanism and a second grinding mechanism, the first grinding mechanism comprises a first grinding tool, a first grinding box and a first screen, the first screen is obliquely arranged in the first grinding box and divides the first grinding box into a first grinding cavity and a first collecting cavity, and the first grinding tool is arranged in the first grinding cavity; the second grinding mechanism comprises a second grinding tool and a second grinding box, and the second grinding tool is arranged in the second grinding box; the first grinding tool is of a disc structure, the second grinding tool is of a double-layer grinding tool structure, the double-layer grinding tool structure comprises a first grinding piece and a second grinding piece, the first grinding tool element and the second grinding tool element are arrang