Pumpback device and winding machine comprising same

The utility model discloses a pumpback device. The back-pumping device is arranged in the winding machine and used for back-pumping redundant cloth leftovers and comprises a back-pumping roller, a fixing base and back-pumping air cylinders, the back-pumping roller comprises a roller and a roller shaft, the two ends of the roller shaft are fixed to the fixing base, the two back-pumping air cylinders are arranged above the back-pumping roller, and the tail ends of piston rods of the two back-pumping air cylinders are connected with the fixing base. The utility model further discloses a winding machine which comprises a pumpback device, a cloth guide roller, a cloth cutting device, a roll distributing device, a spoke expanding device, a cloth supporting roller device and a cloth roll kickingdevice, and the pumpback device is arranged between the cloth roll kicking device and the spoke expanding device. According to the scheme, the automatic withdrawing device can accurately locate the withdrawing length and posi