Coating fluid viscosity control device

The utility model relates to the technical field of viscosity control, in particular to a coating fluid viscosity control device which comprises a supporting tank, a group of liquid storage tanks are rotatably connected in the supporting tank, supporting rods are fixedly connected to the left side and the right side of the top of the supporting tank, and a screw rod is rotatably connected to the top of the supporting rod on the right side. A guide pipe is fixedly connected to the surface of the left supporting rod, sleeve plates are arranged on the surfaces of the lead screw and the guide pipe, a group of sealing covers are fixedly connected between the sleeve plates, a control box is fixedly connected to the tops of the sealing covers, and a viscosity sensing assembly plate is fixedly connected to the right side of the bottom of each sealing cover. According to the coating device, the supporting tank is arranged, a first motor in the supporting tank drives a transmission wheel to rotate, so that the transmis