Automatic feeding device for optical-grade hardened coating

The utility model relates to an optical-grade hardened coating automatic feeding device which comprises a stainless steel liquid storage tank, a cooling water jacket, a PLC control box, a mixing structure and a circulating mechanism, the cooling water jacket is located on the outer side of the stainless steel liquid storage tank, the stainless steel liquid storage tank comprises a first tank body and a second tank body, a first intelligent online viscometer is arranged at the upper end of the first tank body, and a second intelligent online viscometer is arranged at the lower end of the second tank body. The bottom of the first tank body and the bottom of the second tank body are each provided with a first opening and connected with a mixing mechanism, the mixing mechanism is connected with a circulating mechanism, the circulating mechanism is connected with a production equipment tank body, and a liquid level detector and a second intelligent online viscometer are arranged on the production equipment tank bo