Core winding machine with oversized diameter

The utility model discloses a core winding machine with an oversized diameter, which is characterized in that the core winding machine comprises a machine frame as well as a riveting frame, a winding device, a guide wheel, and a material shaft for mounting aluminum foil and electrolytic paper, wherein the riveting frame, the winding device, the guide wheel and the material shaft are arranged on the machine frame; a lead-out sheet conveying device is connected between the guide wheel and the riveting frame, and a riveting mould and more than three hydraulic cylinders are arranged on the riveting frame; and the hydraulic cylinders are used for riveting the aluminum foil and a lead-out sheet together and are driven by a pressure boosting cylinder. The core winding machine with the oversized diameter can lead the force of receiving points of the lead-out sheet riveted onto the aluminum foil to be uniform, the riveting range is large, and the core winding machine can accurately rivet the lead-out sheet on a set po