Self-cleaning pesticide mixing device

The utility model discloses a self-cleaning pesticide mixing device, which belongs to the field of agricultural machinery and comprises a fixing frame, a liquid taking assembly and a transmission assembly. The liquid taking assembly comprises a measuring cylinder provided with a lower sealing ring, a liquid spraying pipe and a liquid pumping pipe; the transmission assembly comprises a rack, a third gear and a gear box; an outlet pipe of the piston barrel is connected with the three-way valve, one connector of the three-way valve is connected with the upper end of the liquid spraying pipe through the one-way valve, the pipeline and the rotary connector in sequence, the other connector of the three-way valve is connected with the liquid pumping pipe through the one-way valve, and the liquidpumping pipe is placed in a cavity of the liquid containing barrel. Compared with the prior art, the method has the characteristics of convenience, reliability, resource saving and convenience in popularization. 本实用新型公开了一种自清洁