Basalt flake crushing and grading device

The utility model discloses a basalt flake crushing and grading device, and belongs to the technical field of inorganic nonmetal environment-friendly material production. The feed bin is characterized in that a bin body of the feed bin comprises a cylinder and a cone, a feeder is arranged on the upper portion, and a spiral feeder, a conveying pipe and a vibrator are arranged on the lower portion; the ultrafine grinder is composed of a grinding part and a grading part, the grinding part comprises a main motor, a grinding disc, a high-speed impact hammer and a toothed plate, and the grading part comprises a grading motor and a grading turbine; the cyclone collector is a semi-circumferential spiral inlet type cyclone collector and is formed by combining a first-stage cyclone collector, a second-stage cyclone collector and a third-stage cyclone collector, the top of the cyclone collector is provided with a spiral motor, the upper part of the cyclone collector is provided with an air outlet, the middle of the cycl