Heating device

The utility model relates to the technical field of pharmaceutical equipment, and particularly discloses a heating device which comprises a tank body, a discharging bin, a discharging bin, a bottom plate, a stirring assembly, two groups of heating assemblies, a rotating assembly and a lifting assembly, the stirring assembly comprises a motor I, a rotating roller and a plurality of groups of uniform mixing pieces, and each group of uniform mixing pieces comprises four stirring rods; the rotating assembly comprises a connecting rod, a gear ring, a gear, a supporting piece and a driving piece, the first motor is fixedly connected with the tank body, the first rotating roller is fixedly connected with the output end of the first motor, the four stirring rods are fixedly connected with the rotating roller, one end of the connecting rod is fixedly connected with the tank body, the other end of the connecting rod is rotationally connected with the supporting piece, and the gear ring is fixedly connected to one end o