Automatic feeding device for coal flotation

The utility model discloses an automatic feeding device for coal flotation, which comprises a master control end for background control, a plurality of valve bodies for controlling pipelines and a tank body for outputting drugs, the corresponding valve bodies are arranged in a plurality of branches in the tank body, and signal control switches of the valve bodies are connected with the master control end. Wherein each branch is internally provided with a miniature flow meter, the signal output end of the miniature flow meter is connected with the master control end, the master control end receives flow information output by the branch through the miniature flow meter and transmits the flow information to the master control end, each branch is internally provided with two branch pipelines, and each branch pipeline is provided with a corresponding miniature flow meter; by adopting the technical scheme, through automatic dosing, the labor capacity of workers is reduced, and the production benefit is improved. 本实