Snowball type winding device with anti-falling structure for waste discharge of oil board printing machine

The snowball type winding device comprises a machine body, a guide roller and a winding drum, one side of the machine body is provided with a conveying roller, the side, close to the conveying roller, of the machine body is provided with the guide roller, the top of the machine body is provided with a driving motor, and the driving motor is connected with the winding drum. The output end of the driving motor is connected with a driving shaft; and the winding drum is connected to the outer side of the driving shaft in a sleeving mode, and positioning holes are formed in the surfaces of the two ends of the winding drum. According to the snowball type winding device with the anti-falling structure for waste discharging of the oil board printing machine, a limiting pin is pressed to contract towards the interior of a telescopic groove, then a driving shaft is sleeved with a winding barrel, after the winding barrel reaches a designated position, a spring can push the limiting pin to be connected with a positioning