Film trimming adjusting mechanism convenient to operate

The utility model discloses a film trimming adjusting mechanism convenient to operate, and relates to the technical field of film trimming, the film trimming adjusting mechanism comprises a workbench, an unwinding roller and a winding roller, the unwinding roller and the winding roller are arranged on the workbench, a trimming structure is arranged between the unwinding roller and the winding roller, the trimming structure comprises a trimming frame, a trimming roller is movably connected in the trimming frame, and the trimming roller is arranged on the workbench. The trimming roller is provided with a trimming rod, the trimming rod is fixedly connected with the trimming frame, the trimming rod is sleeved with symmetrical moving rings, the moving rings are provided with symmetrical annular grooves, a sliding base is movably connected between the symmetrical annular grooves, and the sliding base is movably connected with a trimming knife through a rotating shaft. A trimming knife in the trimming structure can