Quantitative water adding device for cement

The utility model relates to the technical field of cement processing, in particular to a quantitative water adding device for cement, which can effectively improve the water adding efficiency, reduce the labor intensity, effectively improve the accuracy of the water adding amount and reduce the use limitation. Comprising a water storage tank, a motor, a water adding pipe, a transmission rod, a sealing cover and a sealing plug, the bottom end of the water storage tank is connected with a base, the top end of the water storage tank is communicated with a water supplementing pipe, a motor frame is fixedly arranged at the top end of the water storage tank, the motor is fixedly installed on the motor frame, and the output end of the motor is connected with a coupler; the bottom end of the water adding pipe is covered with the sealing cover, the top end of the sealing cover is connected with a threaded sleeve, the threaded sleeve is arranged on the transmission rod in a sleeved mode by being matched with a set of