Stable film discharging device of transparent-film three-dimensional packaging machine

The utility model discloses a stable film discharging device of a transparent-film three-dimensional packaging machine. The device comprises pressing rubber rollers (9), film pressing seats (7) and side plates (3), a film pressing rotating shaft (2) is installed between the side plates, and the lower portions of the film pressing seats are installed on the film pressing rotating shaft; a film pressing wrenching shaft (8) is installed between the upper portions of the film pressing seats, each side plate is provided with a film pressing tension spring seat (10), a film pressing tension spring (11) is installed on each film pressing tension spring seat, and the other ends of the film pressing tension springs are hooked to the film pressing seats; film pressing blocking columns (14) are installed on the side plates, and the inner ends of the film pressing blocking columns abut against the film pressing seats. When the pressing rubber rollers need to be loosened, firstly, the film pressing blocking columns are pu