Anti-blocking feed hopper for vertical packaging machine

The utility model belongs to the field of packaging equipment, particularly relates to an anti-blocking feed hopper for a vertical packaging machine, and provides the following scheme aiming at the problems that an existing feed hopper is easily blocked by materials and the integrity of the materials is easily damaged in the feeding process: the anti-blocking feed hopper comprises a feed cylinder, and the bottom end of the right side in the feed cylinder is rotationally sleeved with a transmission roller; a supporting roller is rotationally sleeved with the position, located at the top end of the transmission roller, in the feeding barrel, a transmission belt is in transmission connection between the surfaces of the transmission roller and the supporting roller, the front end of the transmission roller penetrates through a hole in the front side of the feeding barrel and is fixedly sleeved with a transmission wheel, and a power mechanism drives a hook rod and an abutting rod to move through a driving wheel. T