Heating device for machine head of plastic film blowing machine

The utility model discloses a heating device of a machine head of a plastic film blowing machine, which relates to the technical field of plastic film blowing machines and comprises a machine head body, air inlet devices are detachably mounted on the side edges of two ends of the machine head body, an adjusting device is movably mounted at the bottom end of the machine head body, and a heating air outlet nozzle is movably mounted at the bottom of the machine head body. According to the scheme, in the working process of the device, the spring assembly is pressed downwards, the clamping bolt is located in the clamping opening, the clamping foot is placed in the embedding groove in the bottom of the air inlet, the clamping bolt enters the embedding groove in the top of the air inlet under the action of the spring assembly, mounting is completed, in the same way, dismounting is completed by pressing the clamping bolt downwards during dismounting, and the adjusting button is rotated to adjust the clamping foot. Th