Fine adjustment device on easy-to-tear film preparation equipment

The utility model discloses a fine adjustment device on preparation equipment of an easy-to-tear film, which belongs to the technical field of film production, and comprises a rolling equipment main body, the left side surface and the right side surface of the inner wall of the rolling equipment main body are provided with the same rolling wheel; limiting sliding grooves are formed in the left side face and the right side face of the inner wall of the winding equipment body correspondingly. According to the tensioning device, the adjusting hinge rod is arranged, the adjusting threaded rod is rotated firstly, the adjusting threaded rod is composed of two threaded rods with opposite thread directions, so that the adjusting threaded barrels on the two sides slide towards the middle under the limiting of the limiting rod and the limiting sliding block, and the tensioning rotating shafts on the left side and the right side are driven by the adjusting hinge rod to ascend at the same time; and the tensioning rotatin