High-strength hopper door at discharge port of hopper

The utility model provides a high-strength hopper discharge port hopper door, and belongs to the field of discharge port hopper doors. The high-strength hopper discharge port hopper door comprises a fixing mechanism and a polishing mechanism, a feeding mechanism comprises a support and a hopper, a feeding port is formed in one end of the hopper, a discharge port is formed in the other end of the hopper, and the polishing mechanism is arranged on the support; the hopper is fixed to the support, the discharging mechanism comprises a rotating rod, a gear, a hopper opening plate and a hydraulic pusher, a bolt is installed at one end of the material guide plate and is in threaded connection with the interior of the hopper opening plate, and the hydraulic pusher is rotationally connected to the outer side of the hopper. According to the hopper discharging port hopper door with the high strength, the door body is designed to be of a box fan-shaped structure through the double-layer steel plate, the rigidity and stre