Solid weighing and sorting system

The utility model relates to the technical field of laboratory detection automation, and discloses a solid weighing and sorting system which comprises a weighing unit, a stock bin unit, a liquid injection unit, an oscillation unit and a robot unit which are arranged on a working table, the stock bin unit is used for arranging a material tray, the material tray is used for placing a container, and the liquid injection unit is used for injecting liquid into the container. The weighing unit quantitatively weighs a solid sample in a container, the liquid injection unit comprises a liquid injection container frame, a liquid injection arm and a bottle cap frame, the robot unit comprises a robot and a clamping jaw, the clamping jaw is used for grabbing material trays of the weighing unit, the stock bin unit and the liquid injection unit, and the oscillation unit oscillates the material trays. According to the utility model, the full-automatic robot is used for realizing the connection of all links of sample automati