Control device for adjusting film winding tension

The utility model relates to the technical field of thin film winding equipment, and discloses a control device for adjusting thin film winding tension, which solves the problem that the thin film winding equipment cannot effectively control the winding tension, and comprises a base, vertical plates are fixedly connected to the two sides of the top of the base, and the vertical plates are fixedly connected to the two sides of the top of the base. A transmission roller and a winding roller are rotationally connected between the two ends of the middles of the opposite sides of the two vertical plates correspondingly, first inverted-T-shaped sliding grooves are formed in the upper portions of the opposite sides of the two vertical plates correspondingly, first sliding blocks are installed in the two first inverted-T-shaped sliding grooves correspondingly, a first tensioning roller is rotationally installed between the two first sliding blocks, second inverted-T-shaped sliding grooves are formed in the lower port