Building aggregate multi-stage screening equipment for building

The utility model relates to the technical field of building aggregate, in particular to building aggregate multi-stage screening equipment for buildings, which comprises a base, the top of the base is fixedly connected with a box body, the top of the box body is clamped with a feeding assembly, and the feeding assembly comprises a feeding port, a fixed disc, a feeding motor, a rotating rod and a feeding disc. Through the arrangement of the feeding port, the fixed disc, the feeding motor, the rotating rod and the feeding disc, during use, the building orthopedics department is driven to be placed through fixation of the feeding port, the feeding motor is connected with the fixed disc, it is ensured that the feeding motor is kept stable, the rotating rod is driven to rotate through operation of the feeding motor, and the semicircular through hole is formed in the surface of the feeding disc, so that the feeding disc is convenient to use. And the building orthopedics sequentially falls into the box through the