Belt conveyor material blocking device with buffering and damping functions

The utility model relates to the field of material conveying equipment, and provides a belt conveyor material blocking device with buffering and damping functions, which comprises a material blockingplate, a through shaft, a torsion arm, an air damper, a collecting funnel and a dustproof upper cover, the material blocking plate is longitudinally arranged, the front face of the material blocking plate faces the tail end of the belt conveyor, a through shaft is fixedly arranged on the back face of the material blocking plate, and the two ends of the through shaft are fixedly connected with oneends of the torque arms respectively. And the other end of the torsion arm is hinged with an air spring shock absorber. Hinged shaft supports are arranged at the two ends of the through shaft respectively. The collecting funnel is arranged at the tail end of the belt conveyor and installed on a cantilever beam of the belt conveyor. The collecting funnel is provided with a U-shaped side plate, andan opening of the U-shaped