Environment -friendly makes up formula frequency conversion screening plant in grades

The utility model discloses an environment -friendly makes up formula frequency conversion screening plant in grades, including the main frame and set up screening plant, power device and the auxiliary device on the main frame, screening plant is set up the screening board in different apertures and is dustproofly gone out a hopper and constitute by dustproof hopper, a screening section of thick bamboo, certain angle slope, adopts adjustable converter, inverter type motor and combines the speed reducer, places the drive wheel on round rail in through the crank connecting rod is articulated, makes the screening system make reciprocating motion, the utility model discloses use automatic conveyer belt to throw the material in succession to take thorough dustproof airtight measure, according to the raw material self characteristic and production demand control screening frequency, the building raw and other materials of different particle diameters can divide the shaping by primary screen, have the characteristic