Follow-up cotton suction and dust removal mechanism of roving frame

The utility model relates to the technical field of roving frames, and provides a follow-up cotton suction and dust removal mechanism of a roving frame, which comprises a roving frame, a water film dust removal cylinder and a dust removal cavity, the water film dust removal cylinder is horizontally arranged above the roving frame in a sliding manner, the dust removal cavity is provided with a dust removal inlet and a dust removal outlet, and the dust removal inlet is positioned at the lower part of the water film dust removal cylinder; the dust removal outlet is located at the upper part of the water film dust removal barrel, the water supply pipe extends into the dust removal cavity, the spray head is arranged on the water supply pipe, is located in the dust removal cavity and is located at the upper part of the water film dust removal barrel, the flow guide fan blade is rotationally arranged in the dust removal cavity and is located below the spray head, and the filter screen is arranged on the inlet and is