Efficient multi-baffle cyclone dust collector

The utility model discloses an efficient multi-baffle cyclone dust collector which comprises an air outlet tube, an air inlet tube, a cylinder, a baffle support rack and a core cylinder, wherein an upper cone and a lower cone are arranged on the cylinder; the air inlet tube is fixed on the cylinder in the tangential direction of the cylinder; the air outlet tube is mounted at the top of the upper cone; the baffle support rack is welded at the lower end of the inner wall of the cylinder; the core cylinder is welded in the center of the baffle support rack; a multi-layer baffle, a fourth baffle, a third baffle, a second baffle and a first baffle in an angle of 270 degrees are sequentially welded on the baffle support rack between the core cylinder and the cylinder; a variable frequency regulating and controlling motor and a bracket are mounted at the upper end of the air inlet tube; a driven gear on a driving roller is driven by a driving gear on the variable frequency regulating and controlling motor to rotate; an air baffle plate on the roller stretches into the air inlet inside the air inlet tube. The efficient multi-baffle cyclone dust collector adopts the dust collection principle of multiple baffles, the overall resistance of the equipment is reduced, the dust collection efficiency reaches up to more than 92%, and the unit set air treatment capacity is greatly increased.