Film changing structure of bowl cover film sealing machine

The utility model provides a film changing structure of a bowl cover film sealing machine, which comprises a positioning column, a motor is fixed on the outer wall of one side of the positioning column, a rotating disc is rotatably mounted on the outer wall of one side of the positioning column through a bearing, an output shaft of the motor is fixedly connected with one end of the rotating disc, and a plurality of adjusting holes are formed in the outer wall of the rotating disc at equal intervals. And one end of the rotating disc is in threaded connection with a positioning roller through the adjusting hole. According to the film changing structure of the bowl cover film sealing machine, after the film barrel is installed, a user can penetrate a film through the positioning rollers when penetrating the film, the user can install the multiple positioning rollers outside the rotating disc according to site conditions, and after the user enables the film to penetrate through the multiple positioning rollers in