Forced separation device and three-dimensional wrapping machine

The utility model provides a forced separating device which is suitable for being installed on a machine frame, a heating plate and a conveying device are arranged on the machine frame, and the heating plate is connected with a lifting air cylinder so as to drive the heating plate to do lifting motion on a beautifying station. When the heating plate ascends, the conveying device can push the processed workpieces out of the beautifying station; the pushing hand air cylinder comprises a movable end, and the moving direction of the movable end is perpendicular to the conveying direction of the conveying device; air ports of the pushing hand air cylinders are connected with air ports of the lifting air cylinders in series, and the pushing hand air cylinders are configured to be capable of driving the movable ends to be pushed out in the direction away from cylinder bodies of the pushing hand air cylinders when the lifting air cylinders drive the heating plates to ascend. The utility model further provides a three