Impurity cleaning and filtering device for water environment treatment

The utility model discloses an impurity cleaning and filtering device for water environment treatment. Comprising a sundry collecting box, a base plate, a reciprocating lead screw, a pressing seat, a sliding seat, a herringbone plate, a cutter, a rotating sleeve, a shaft rod, a driven gear ring, a water drainage pipe, a third driving gear, a third driven gear, a single-rotation lead screw, a double-shaft motor, a filtering cylinder, a first driving gear, a first stepping motor, a first driven gear, a second stepping motor, a rotating rod, a second driven gear, a second driving gear and a small rotating cylinder. The device comprises a large rotating cylinder, a water inlet pipe, a driving bevel gear, a driven bevel gear, a mounting cylinder, a main brush, a driving seat, an auxiliary brush, a water filter screen and a baffle. Through mutual cooperation of the large rotary drum, the small rotary drum, the bevel gear, the main brush and the auxiliary brush, sundries on the surface of the water filter screen can