Energy-saving film blowing machine for carton production

The energy-saving film blowing machine for carton production comprises an energy-saving film blowing machine body, a damping groove is formed in the middle of the lower end face of the energy-saving film blowing machine body, a damping plate is arranged in the damping groove, a connecting shaft is fixedly arranged at each of the four end corners of the upper end face of the damping plate, a through opening is formed in the outer side of each connecting shaft, and a through hole is formed in the lower end face of the damping plate. One end of the through opening is located in the inner wall of the damping groove, the other end of the through opening extends to the inner wall of a spring groove located in the shell of the energy-saving film blowing machine body, a limiting plate located in the spring groove is fixedly arranged on the upper end face of the connecting shaft, and a spring A is connected to the upper end face of the limiting plate; a long shaft mounting groove located in the inner wall of the dampi