Batching device

The utility model discloses a batching device. The batching device comprises a liquid material storage device, a discharging spray head, a liftable weighing platform and a control valve, the control valve comprises a valve cavity and a valve port capable of being opened and closed, the discharging spray head is connected to the valve cavity through the valve port, and the valve cavity and the liquid material storage device form a closed loop; a power device for driving the liquid material to circularly flow along the closed loop is arranged between the liquid material storage device and the discharging spray head; the weighing platform is coupled with the control valve so as to adjust the discharging amount of the discharging nozzle. According to the batching device, automatic batching operation of liquid materials such as paint auxiliaries can be realized; wherein the weighing platform has a weighing function and a lifting function, and the distance between the weighing platform and the discharging spray hea