Special feeding device for powder serum-free culture medium production

The utility model discloses a special feeding device for powder serum-free culture medium production, which comprises a bottom plate, two cylinders are fixedly connected to the upper surface of the bottom plate, a moving plate is fixedly connected to the surfaces of push rod parts of the two cylinders, a transparent tube is fixedly connected to the surface of the moving plate, and a feeding tube is fixedly communicated to the lower surface of the transparent tube. The inner wall of the transparent pipe is slidably connected with a piston plate, the surface of the transparent pipe is provided with a first through hole allowing a piston rod to penetrate through and slidably connected with the piston rod, the upper end of the piston rod is fixedly connected with a rack row, the surface of the transparent pipe is fixedly connected with a fixing plate, and the surface of the fixing plate is provided with a second through hole allowing a rotating shaft to penetrate through and rotatably connected with a fixed shaft