Cloth bag dust removal device

The invention relates to the field of cloth bag dust removal, and discloses a cloth bag dust removal device which comprises a dust removal box body, a connecting plate is connected to the interior of the dust removal box body, a plurality of air deflectors are arranged in the dust removal box body, and an air inlet pipeline and an exhaust pipeline are connected to the two sides of the dust removal box body respectively. By arranging the first electric telescopic rod, the connecting rod, a first transmission gear ring, a transmission rack, a rolling bearing and a circular convex block, when the dust on the outer surface of the dust collecting bag is cleaned in a reverse blowing mode, dust attached to the outer surface of the dust collecting bag can be fully cleaned, and the situation that after the surface of the dust collecting bag is cleaned each time, the dust on the outer surface of the dust collecting bag cannot be cleaned is avoided. Some dust is still attached to the surface of the dust removal cloth ba