Multilayer mixing device for microorganisms

The utility model relates to the technical field of microorganism culture, in particular to a multi-layer mixing device for microorganisms, which comprises a barrel body and a carrying barrel, the carrying barrel is vertically arranged in the barrel body, a ring groove is arranged on the side surface of the barrel body, the multi-layer mixing device further comprises a rotating mechanism, the rotating mechanism is movably arranged in the barrel body, two sides of the carrying barrel are fixedly connected with connecting rods, and the connecting rods are connected with the rotating mechanism. And the rotating mechanism rotates the object carrying cylinder by rotating the connecting rod. According to the device disclosed by the utility model, the motor rotates to drive the bottom plate to rotate and drive the supporting rod and the annular plate to rotate, so that the connecting rod inserted into the annular plate rotates in the annular groove, and further, the loading cylinder and the test tube rotate, so that