Filtering device for processing coating

The utility model discloses a filtering device for processing paint, which comprises a box body, the inner side wall of the box body is fixedly connected with a mounting seat, the inside of the mounting seat is movably connected with a connecting block, one side of the connecting block far away from the mounting seat is fixedly connected with a filter screen plate, the upper surface of the filter screen plate is provided with a stirring groove, and the stirring groove is provided with a stirring shaft. A slag discharging opening is formed in the upper surface of the filter screen plate and located on one side of the stirring tank, a lead screw is rotationally connected to the side surface of the box body, a rotary knob is fixedly connected to the end, away from the box body, of the lead screw, and the end, away from the rotary knob, of the lead screw extends into the box body and is rotationally connected with the inner wall of the box body; the outer surface of the lead screw is in threaded connection with a