Weighing device for powdery materials

The utility model relates to the technical field of weighing devices, and provides a weighing device for powdery materials in order to overcome the defects that in the prior art, when materials are dumped, the materials can not be dumped thoroughly easily, a small amount of residues exist in a hopper body, and the weighing precision of the device is low, and the weighing device for the powdery materials comprises a supporting seat and a weighing box, the weighing device comprises a weighing box, the weighing box is provided with a supporting seat, the top of the supporting seat is provided with a stirring screw feeder, the inner bottom of the weighing box is fixedly provided with a weighing sensor, the top of the weighing sensor is symmetrically provided with two needle bearings, and a weighing hopper is arranged above the weighing sensor. The weighing hopper is quickly knocked and vibrated through the vibration piston cylinder, the material pouring efficiency of the equipment is improved, pouring is cleaner,