Membrane static electricity removing device

The utility model discloses a film static electricity removing device which comprises a box body and a thin film, a first through hole and a second through hole are formed in the side face of the box body respectively, a cleaning box is arranged in the box body, a first winding roller and a second winding roller are installed in the cleaning box through a support, an air outlet pipe is installed on the support, and the first winding roller and the second winding roller are arranged in the cleaning box. The film sequentially penetrates through the first winding roller and the second winding roller and then is sequentially connected with a first conveying roller, a tensioning roller, a second conveying roller and a winding roller, an air cylinder is arranged at the bottom of the tensioning roller, and the output end of the air cylinder is movably connected with the tensioning roller through a fixing block and a shaft pin. And a first ion rod and a second ion rod are arranged between the second conveying roller