Screening equipment for concrete preparation tailing sand aggregate

The utility model discloses concrete preparation tailing sand aggregate screening equipment, and relates to the technical field of concrete materials. The screening device comprises a screening box body, the top and the bottom of the screening box body are fixedly connected with a feeding port and a collecting pipeline which are communicated with the screening box body respectively, a plurality of first limiting sliding grooves are formed in the screening box body from top to bottom, one end in each first limiting sliding groove is fixedly connected with a reset spring, and a plurality of screening baskets are arranged in the screening box body from top to bottom; a plurality of discharging ports matched with the screening baskets are formed in one side face of the screening box body, limiting sliding blocks in sliding fit with the first limiting sliding grooves are fixedly connected to the two side faces of the screening baskets, one ends of the limiting sliding blocks are fixedly connected with reset spring