▎ 摘　　要

NOVELTY - The utility model relates to the technical field of drafting device, claims a drafting mechanism with cleaning function, comprising a box body, the inner cavity of the box body is rotatably provided with a lower pressing roller, the lower end of the inner cavity of the box body is movably provided with a filter screen, the lower end of one side of the box body is detachably mounted with a servo motor The utility model is provided with a box body, a filter screen, a transmission rod, a shovel plate and a screw rod sleeve, when maintaining the drafting mechanism, it not only can make the first belt wheel matched with the second belt wheel to drive the screw rod to rotate, the screw rod is matched with the screw rod sleeve to drive the fixing frame to move, the shovel plate on the fixing frame pushes the debris accumulated at the bottom of the box body to the drain outlet for discharging, at the same time, the brush strip on the fixing frame can clean the outer surface of the centrifugal fan, saves the trouble of manual cleaning, but also can in the fixing frame moving process, the fixing frame drives the filter screen to move, so as to drive the filter screen to move to the right side of the box body, saves the trouble of manual pulling.