Powder delivery device with automatic control system

The utility model particularly relates to a powder delivery device with an automatic control system, solving the problems of easy leakage of dust, high labor intensity and high cost of the current powder delivery device. The powder delivery device comprises a control cabinet and an air compressor, a powder level instrument is fixed on the side wall of the upper part of a powder bin, the powder level instrument is connected with the control cabinet, the control cabinet is connected with the air compressor, the outlet of the air compressor is provided with an air pipeline communicated with the air compressor, one end of the air pipeline is provided with an electric three-way valve, and the other two ports of the electric three-way valve are respectively provided with a primary air pipe communicated with a fluidized bed connector and a secondary air pipe communicated with the lower end of a feed pipe. The powder delivery device effectively solves the problem of leakage of powder, lowers the noise, and simultaneously improves the working efficiency, reduces the labor intensity, and has the advantages of being simple in structure, convenient in operation and low in cost.