Mirror roller surface layer dust removal device

The utility model discloses a mirror roller surface layer dust removal device, and relates to the technical field of mirror rollers, the mirror roller surface layer dust removal device comprises a support and a mirror roller, the mirror roller is located in the support, the support is internally provided with a dust removal assembly, the dust removal assembly comprises a rod body, the rod body is fixedly connected to the inner wall of the support, and the rod body is fixedly connected to the inner wall of the support. The outer side wall of the rod body is sleeved with two sleeves, the outer side walls of the sleeves are fixedly connected with limiting rods, a plate body is arranged at one end of each limiting rod, and a groove is formed in the top of each plate body. Through the arrangement of the dust removal assembly, the elastic force of a spring drives a plate body to move downwards, the plate body drives a driving rod and a net barrel to move downwards, the net barrel drives a banister brush to be attac