The invention discloses a
powder feeding device for a concrete mixing
plant, and belongs to the technical field of concrete
processing. The
powder feeding device for the concrete mixing
plant comprises a base, a feeding groove is formed in the middle of the top face of the base, an inner cavity is formed in the position, opposite to the lower portion of the feeding groove, in the base, a middle shaft is arranged on the left side of the bottom face of the feeding groove in a penetrating mode, and the upper portion of the middle shaft is sleeved with an
auger blade which is sleeved with a sleeve. An output opening is formed in the
left wall of the sleeve, a guide plate is fixedly arranged at the left end of the output opening, and the lower end of the middle shaft penetrates through the bottom face of the feeding groove, extends into the inner cavity and is coaxially and fixedly connected with a
bevel gear A. A motor base is arranged on the front side of the base, and a motor is fixedlyarranged in the middle of the top face of the motor base. A fixing plate is arranged above the left side of the base. A discharging
assembly is arranged in the middle of the top face of the fixing plate. By means of the
powder feeding device, workers are prevented from being hard to lift and convey powder, impurities in the powder can be effectively removed, and practicability is high.