Automatic dredging type coal discharging hopper

The invention provides an automatic dredging type coal discharging hopper. The automatic dredging type coal discharging hopper is provided with a stepped hopper body. An automatic dredging device is fixed into the hopper body and provided with a dredging rod with one end provided with a thread. The threaded end of the dredging rod is connected with a dredging cone and the other end is connected with fan blades. An upper fixing sleeve, a pressure bearing, a spring and a lower fixing sleeve are sequentially arranged on the dredging rod from top to bottom. The upper fixing sleeve is fixedly arranged on the dredging rod. The fan blades rotate after bearing force. The dredging rod is driven by the fan blades to rotate for automatic dredging operation.