Fly cutter device of agravic mixer

The utility model relates to a fly-cutter device of a zero-gravity mixer, and belongs to the technical field of zero-gravity mixers.The fly-cutter device comprises a rotating assembly and a cutter, the rotating assembly is arranged on a rack, the rotating assembly comprises a rotating shaft, the cutter comprises a first blade and a second blade, the length of the first blade is larger than that of the second blade, and the length of the first blade is larger than that of the second blade. The first blades and the second blades are connected with the rotating shaft and are arranged in a staggered mode in the axial direction of the rotating shaft. The rotating shaft rotates to drive the stirring paddle to rotate, multiple materials are thrown upwards at the same time, the rotating shaft drives the first blade and the second blade to rotate synchronously along the axis of the rotating shaft, and in the throwing process, fibers and other substances in the materials are cut and smashed; the first blades and the se