Double-central-shaft winding device of cast film machine

The utility model discloses a double-central-shaft winding device of a cast film machine, which comprises a winding machine frame, a base is arranged at the bottom of the winding machine frame, a traction roller, a transmission roller and a tension sensor are arranged on one side of the winding machine frame, a first motor is arranged at the bottom of one side of the winding machine frame, and a second motor is arranged at the bottom of the other side of the winding machine frame. A roll changing rotary disc is installed on the other side of the rolling machine rack, a rolling abutting roller is arranged on one side of the roll changing rotary disc, a rolling inflatable shaft is arranged on the other side of the roll changing rotary disc, a correction roller is arranged on one side of the rolling inflatable shaft, a second motor is installed at the bottom of the correction roller, and a rolling air cylinder is installed at the bottom of the second motor. According to the double-center-shaft winding device, no