Filtering device for sand

The utility model relates to a filtering device for sand. The device comprises a left bracket group and a right bracket group lower than the left bracket group, a filter plate is arranged between theleft bracket group and the right bracket group; beneficial effects are that: the method is suitable for large-scale production; the sand is shoveled by a shovel manually; sand is scattered on the filter plate; one end of the filter plate is arranged on the connecting plate through the spring; when the sand is scattered on the filter plate, the sand is filtered; acting force due to spring, spring springing, meanwhile, the filtering plate is driven to move; a similar vibration effect is achieved; sand on the filter plate can be conveniently filtered; simultaneous starting motor, the motor rotates to drive the cam to rotate, an open groove corresponding to the cam is formed in the connecting plate, the cam moves along the track of the open groove and drives the filter plate to move up and down at the same time, power