Paper dust removal device

The utility model relates to the technical field of paper dust removal, and discloses a paper dust removal device which comprises supporting rods, a supporting plate and a conveying mechanism, the supporting plate is fixedly connected between the two supporting rods, a hole is formed in the middle of the supporting plate in a penetrating mode, an air outlet pipe is installed on an air blower, and the air outlet end of the air outlet pipe faces paper. A moving assembly capable of moving leftwards and rightwards is further arranged in the dust removal box, and the air blower is fixedly connected with the moving assembly, so that when the moving assembly moves leftwards and rightwards, the air blower can blow air leftwards and rightwards. And the paper is fixed through the baffle, so that the problems that paper scraps and dust on the surface of the paper are mixed into printing ink in the printing process, impurities in the printing ink are gradually increased after the paper with the dust is printed for a long