This series of powder material steady flow dosing screw is a mechatronics patented product integrating powder material conveying, weighing measurement and dosing control; it can be applied to the continuous measurement and measurement of powder materials in various industrial production environments. Batching control system; adopts a number of advanced technologies, reliable operation and high control accuracy; it can be widely used in the measurement process of powder materials in building materials, metallurgy, electric power, chemical industries and other industries.