Fulling milling machine for woolen sweater

The fulling milling machine comprises a shell, a rotary drum for containing the woolen sweater, a liquid inlet assembly and an anti-blocking assembly, the rotary drum is rotationally connected into the shell, a plurality of drainage holes are formed in the rotary drum, the liquid inlet assembly is used for spraying mixed liquid into the rotary drum, and the anti-blocking assembly comprises a plurality of cleaning parts and a driving part; each cleaning part comprises two transmission belts, two gears and a two-way screw, the two transmission belts are distributed in the axis direction of the rotary drum, the length direction of the transmission belts is parallel to the extending direction of the drainage holes, the transmission belts are rotationally connected into the drainage holes, and the two gears correspond to the two transmission belts one to one; the gears are arranged on the rotating axis of one end of the transmission belt, the length direction of the two-way screw is parallel to the axis direction