Continuous extracting device

The invention provides a continuous extracting device, belonging to the pharmaceutical machinery technical field. The extracting device comprises an extracting tank body, a material circulating refluxing mechanism and a stirring mechanism; wherein the outer wall of the extracting tank body is provided with a heating spacer bush, the heating spacer bush is matched and connected with a heating medium inlet interface and a heating medium outlet interface, the top of the extracting tank is provided with a feeder nose, a cleaning port and a gas outlet interface; the material circulating refluxing mechanism is matched and connected with the extracting tank body; the stirring mechanism is composed of a stirring motor, a stirring reduction gear and a stirring shaft, the stirring reduction gear is arranged on the top of the extracting tank body deviating the center of the top of the extracting tank body, the upper part of the stirring shaft along height direction is fixedly provided with a first stirring paddle, the middle part is fixedly provided with a second stirring paddle, and the lower part is fixedly provided with a third stirring paddle. The phenomenon that the material spins along with vortex is avoided, and stirring time can be shortened and stirring effect can be improved; the material in the tank cavity can be simultaneously stirred; not only energy source is saved, but also leakage probability is reduced, and structure can be conveniently simplified while difficulties of manufacturing and mounting is reduced.