Sand sieving device for construction

The invention discloses a sand sieving device for construction. The sand sieving device comprises a sieving box and is characterized in that the bottom of the sieving box is fixedly mounted on a base,a support rack is welded to the bottom of the base, the top of the sieving box is provided with a feed inlet, the bottom end of the sieving box is provided with a discharge outlet, a first screen anda second screen are sequentially arranged inside the sieving box from top to bottom, one end of the first screen is in transmission connection with a first vibration motor through an excitation rod,the first vibration motor is fixedly mounted on a first fixing block, one end of the first fixing block is welded to the outer wall of the sieving box, and one side of the sieving box is provided witha first discharge outlet. The sand sieving device has the advantages that the device is reasonable in structural design; the device is provided with a feeding cylinder, support columns are fixedly connected to the bottom of the