Weighing device

The utility model discloses a weighing device which comprises the components of a bracket; an electronic scale which is fixedly connected with the bracket; a container which has an open end, wherein two sides of the open end are provided with guiderails, and furthermore the container is suspended on the electronic scale for containing a powder material; a roller which is transversely and horizontally arranged on the open end of the container, wherein the longitudinal axis of the roller is provided with a rotating main shaft, the lower surface of the roller presses against the surface of the powder material, two ends of the roller are respectively provided with a slide block which is adapted with the guiderails; a horizontal supporting board which is arranged below the container and supports the container, and the horizontal supporting board is arranged on a horizontal moving arm; a hydraulic device which is connected with the horizontal moving arm and drives the horizontal moving arm to perform horizontal movement; and a motor which is connected with the roller and drives the roller to roll. The weighing device has functions of improving accuracy of the weighing device and reducing damage rate of the electronic scale.