Adhesive film spreading device for packaging machine

A film film spreading device for a packaging machine has a film film conveying mechanism and a gas output device. The air outlet of the gas output device is arranged at the front end of the film film conveying mechanism. The air outlet has at least one adjustment deflection board, and both ends of the deflection board are adjusted. With a threaded shaft, insert into the corresponding hole in the outlet and tighten it with a screw cap. The utility model can blow out the airflow upwards to guide the opening of the packaging film, simplify the process of putting the packaging into the film, so as to accelerate the packaging time of the packaging.