Film blowing exhaust device of film blowing machine

The utility model relates to a film blowing and exhausting device of a film blowing machine, relates to the technical field of film blowing machines, and aims to solve the problem of environmental pollution possibly caused by direct exhausting of gas, the film blowing and exhausting device comprises a treatment barrel, a feeding assembly and an exhausting assembly are arranged on the side wall of the treatment barrel, and the exhausting assembly comprises a material pushing part, an exhausting pipe, an exhausting pump and a filtering tank; the material pushing part is arranged in the processing barrel and arranged in the length direction of the processing barrel, the exhaust pipe is located on the side, away from the material pushing part, of the processing barrel, the exhaust pump is connected to the exhaust pipe, one end of the exhaust pipe communicates with the processing barrel, and the other end of the exhaust pipe is connected to the filtering tank; and an opening and closing mechanism used for sending