Device capable of reducing outward overflowing dust of discharging hopper

The utility model discloses a device capable of reducing outward overflowing dust of a discharging hopper, belongs to the technical field of belt conveyor equipment, and is used for reducing outward overflowing dust of the discharging hopper. According to the technical scheme, the periphery of a hopper bottom plate is connected with the lower end of a discharging hopper in a welded mode, a square discharging opening is formed in the plate face of the hopper bottom plate, a discharging turning plate is installed on the discharging opening through a rotating shaft and shields the discharging opening from the lower portion, a pulley hole is formed in the portion, above the hopper bottom plate, of the hopper wall, and a fixed pulley is placed in the pulley hole. A wheel shaft of the fixed pulley is fixedly connected with the funnel wall on two sides of the pulley hole, circumferences of the fixed pulley are respectively positioned on the outer side and the inner side of the funnel wall, the upper end face of the