Coating rotary screen head bonding device

The utility model provides a coating cylinder head bonding device which is characterized in that a cylinder is located in a limiting cylinder, a tensioning air bag is arranged in the cylinder, the tensioning air bag is inflated through an air bag inflation inlet, the surface of the cylinder is tensioned to make close contact with the inner wall of the limiting cylinder after the tensioning air bag is inflated, and a first adjusting mechanism is arranged on a support platform and comprises a first limiting plate; a first cover plate is arranged at the rear end of the first limiting plate and makes contact with a front screen head of the rotary screen, a first moving plate is arranged at the front end of the first limiting plate, a first positioning plate is arranged in front of the first moving plate and fixedly connected with the upper end of the support platform, and the first moving plate and the first positioning plate are movably connected through a first adjusting bolt; during net sticking, the rotary ne