The coating machine is mainly used for the surface coating process of film and paper. This machine coats the rolled substrate with a layer of glue, paint or ink with a specific function, and then winds it after drying. It adopts a special multifunctional coating head, which can realize various forms of surface coating. The winding and unwinding of the coating machine are equipped with a full-speed automatic film splicing mechanism, and the PLC program tension closed loop automatic control. Coat the rolled substrate, such as paper, cloth, leather, aluminum foil, plastic film, etc., with a layer of glue, paint or ink with a specific function, and then wind it after drying.