Filter convenient for filter residue to fall off

The utility model discloses a filter convenient for filter residue to fall off, which comprises a rack, a thrust plate, a pressing plate, a plurality of filter frame filter units arranged between the thrust plate and the pressing plate, and a driving mechanism, and two guide rods are arranged between one end of the rack and the thrust plate; the filter frame filtering unit and the pressing plate are arranged on the guide rod in a sliding mode, a swing mechanism is arranged on the rack, and the swing mechanism comprises an ejector rod, a rocker and a reset spring; the two rockers are arranged at the two ends of the rack respectively, one end of one rocker is hinged to one end of the ejector rod, and the other end of the rocker is hinged to the rack; one end of the other rocker is hinged to the other end of the ejector rod, and the other end of the rocker is hinged to the rack; the reset spring acts on the end of the rack and the end of the ejector rod. An ejector block is arranged at the end, close to the pres