Bag-type dust collector capable of automatically cleaning dust

The utility model discloses a bag-type dust collector capable of automatically cleaning dust in the technical field of bag-type dust collectors, which comprises a dust collector body and a transmission belt, a motor is mounted at the top of the dust collector body in a penetrating manner, and shells are fixedly connected to two sides of an inner cavity of the dust collector body; inner cavities of the two shells are rotationally connected with lead screws through bearings; the dust removal device is reasonable in structural design, water in an inner cavity of the water storage tank can be conveniently injected into an inner cavity of the water storage tank through the arranged water storage tank and through holes, then the water storage tank is communicated with the distribution plate, the water is atomized and sprayed to the surface of a cloth bag through the atomizing nozzle to wet dust, and then the arranged motor drives the driving belt pulley to rotate, so that the dust removal effect is improved. The dr