Air bellow with dustproof function

The utility model discloses an air bellow with a dustproof function. The left side of the top of the box body communicates with an air inlet; the bottom of the right side of the box body communicateswith an air outlet; a dust removal plate is arranged at the top of an inner cavity of the box body; clamping grooves are formed in the two ends of the dust removal plate; movable boxes are arranged onthe two sides of the box body. A moving plate is arranged in an inner cavity of the movable box; sliding grooves matched with the movable plate are formed in the top and the bottom of an inner cavityof the movable box correspondingly, a clamping rod is arranged on the inner side of the movable plate, the end, away from the movable plate, of the clamping rod penetrates through the movable box andthe box body and extends to the inner cavity of the box body to be connected with the clamping groove in the dust removal plate in a clamped mode, and the top and the bottom of the inner cavity of the movable plate are sleeved