Inner membrane removing device and inner membrane removing method thereof

An inner membrane removing device, comprising:

• a heating membrane removing mechanism and a membrane suction mechanism located at a downstream of the heating membrane removing mechanism, wherein the heating membrane removing mechanism comprises a heating frame, a membrane pressing component, a membrane welding component configured to fusion weld a nest box inner membrane to a nest box inner lining paper, a first lifting component configured to enable the heating frame and the membrane welding component to be in contact with the nest box inner membrane;
• and a second lifting component configured to enable the membrane pressing component to press against the nest box inner membrane, wherein the membrane pressing component and the membrane welding component are located on an inside of the heating frame, wherein the first lifting component is connected to a nest box, and the second lifting component is connected to the membrane pressing component.