Automatic circulating device based on rotary dye vat and diaphragm pump

The utility model discloses an automatic circulating device based on a rotary dye vat and a diaphragm pump, and relates to the related technical field of cell staining. The dye vat comprises a waste box, a rotating frame is arranged in the waste box, dye vat bodies are hung in the rotating frame, a linear stroke air cylinder is arranged behind the waste box, a nozzle frame is arranged on the upper portion of the rear side wall of the waste box, and cleaning nozzles are fixed to the positions, corresponding to the dye vat bodies, of the upper portion of the nozzle frame. A dye liquor adding nozzle is fixed on the side wall of the nozzle frame right below each cleaning nozzle; a gear motor is arranged on the left of the linear stroke cylinder, and a synchronizing wheel is fixed to the left side of the rotating frame. The linear stroke air cylinder pushes the nozzle frame to move and the rotating frame drives the dye vat body to rotate, so that turbid dye liquor in the dye vat body is rapidly discharged into the