Material blocking and buffering device of feeding system of ore sorting machine

The utility model provides a material blocking and buffering device of a feeding system of an ore sorting machine. The sliding grooves are formed in the two ends of the top of the bin plate correspondingly, a clamping opening is formed in the bottom of one side of the inner side face of each sliding groove, and a penetrating opening is formed in the top of the bin plate; the fixing plate is arranged at the top of the bin plate, limiting grooves are formed in the two ends of the fixing plate, sliding rods are fixedly installed on one sides of the inner side faces of the limiting grooves, and one ends of the sliding rods are fixedly installed on the other sides of the inner side faces of the limiting grooves. According to the material blocking and buffering device of the feeding system of the ore sorting machine, the sliding grooves, the penetrating openings, the fixing plate, the limiting grooves, the sliding rods, the springs, the pushing plate, the movable plate, the positioning plate, the clamping plate and