Sand and stone separating device

The utility model discloses a sand and stone separating device, and belongs to mechanical separation equipment. The sand and stone separating device comprises a box body and a roller, wherein the roller is obliquely arranged in the box body; the outer wall of the roller is arranged to form a screen; the high end of the roller is a screen inlet, and the low end of the roller is a screen outlet; the outer side of the roller is provided with a stone pressing mechanism which is arranged parallel to the roller and is in contact with the outer surface of the roller; a sand discharge spiral conveyer is arranged at one side of the roller obliquely; the low end of the sand discharge spiral conveyer is arranged at the bottom of the box body; the high end of the sand discharge spiral conveyer is provided with a sand outlet; the side surface of the box body is provided with an overflow opening and a stone outlet respectively; the stone outlet is correspondingly formed in the screen outlet of the roller. According to the sand and stone separating device, the structure is simple, sand and stone in concrete cleaning water can be efficiently separated, the condition that the screen on the roller cannot be blocked by stones can be guaranteed, the separation effect of the roller can be improved, and the sand and stone separation need can be met.