Non-woven fabric dust removal structure of die-cutting machine

The utility model relates to a non-woven fabric dust removal structure of a die-cutting machine, which comprises a longitudinally conveyed membrane, dust removal components are symmetrically arranged on two transverse sides of the membrane, each dust removal component comprises a fixed dust removal group and movable dust removal groups symmetrically arranged on two sides of the fixed dust removal group, and the two movable dust removal groups are fixedly connected through a connecting plate. The fixed dust removal set and the movable dust removal set are of the same structure and each comprise a semi-cylindrical dust removal cover and a negative pressure dust suction barrel communicated with the dust removal cover, and a plurality of dust suction openings are formed in the arc-shaped face of each dust removal cover at intervals. The non-woven fabric is wound around the movable dust removal set, the fixed dust removal set and the arc-shaped face of the dust removal cover of the movable dust removal set in sequ