Sand screening equipment for building construction

The utility model relates to the technical field of sand screening equipment, and discloses building construction sand screening equipment which comprises a sand screening equipment body, the sand screening equipment body comprises a mounting frame, the upper end of the mounting frame is rotationally connected with a screen, and two conveying belts are arranged on the inner side of the mounting frame. The building construction sand screening equipment comprises a sand screening equipment body, a mounting frame is arranged on the sand screening equipment body, a first gear and a second gear which are used for controlling the two conveying belts to move are arranged on one side of the mounting frame, a set of sliding grooves are symmetrically formed in the upper end of the mounting frame, and sliding blocks are rotationally connected to the two sides of a screen. Through cooperation of the rotating mechanism and the first gear, the sliding block slides in the sliding groove in a reciprocating mode, the screen i