Quantitative feeding device for polycarboxylate superplasticizer

The utility model provides a quantitative polycarboxylate superplasticizer feeding device which comprises a polycarboxylate superplasticizer feeding box, supporting legs, a weighing sensor, a stirring box body, a feeding electromagnetic valve, a control panel, a feeding pipe, a feeding electromagnetic control valve, a conveying pipe, a movable splash-proof baffle structure and a damage-proof manual proofreading and observing glass plate structure, four corners of the lower part of the polycarboxylate superplasticizer feeding box are respectively and longitudinally connected with supporting legs through bolts, and the lower ends of the supporting legs are respectively connected with weighing sensors through bolts; the lower ends of the weighing sensors are respectively in bolted connection with four corners of the upper part of the stirring box body, and a feeding hopper is in bolted connection with an opening in the middle of the upper part of the stirring box body. Due to the arrangement of the splash-proof