Powder conveying system

The utility model discloses a powder conveying system which comprises a bottom plate, the upper end of the bottom plate is in threaded connection with a conveying box through bolts, the lower end of the conveying box is open, and a discharging opening is formed in the box wall, close to the lower end, of one side of the conveying box in a penetrating mode. Meanwhile, when the supporting plate moves, a large amount of concrete powder can be rapidly descended, a spring and a telescopic damper are pressed down when the powder descends under the rotation action of a first hinge piece and a second hinge piece, the concrete powder is protected in cooperation with buffering force, and the situation that the packaging bag is broken and the later cleaning and conveying speed is high is avoided; a large amount of concrete powder can be removed at a time, the overall efficiency of subsequent concrete mixing is improved, and the overall practicability is improved. 本实用新型公开的一种粉料输送系统，包括底板，底板上端通过螺栓螺纹连接有下端呈开口状设置的输送箱，输送箱一侧靠近下端