Wheat selecting device

The utility model belongs to the field of flour processing equipment. The utility model relates to a wheat selecting device. The device comprises a frame body, a motor, an eccentric mechanism and an air box are arranged on the frame body; a central shaft penetrates through the lower end of the bellows; a group of fan blades are arranged on the side wall of the central shaft; a screen body is arranged above the air box; the front and rear ends of the screen body are respectively hinged with a front connecting arm and a rear connecting arm; the other ends of the two front connecting arms and theother ends of the two rear connecting arms are hinged to the top of the frame body. A feeding hole corresponding to the screen body is formed in the top of the frame body; wherein a wheat outlet anda small impurity outlet are formed in the front end and the rear end of the frame body respectively, a vibration screening bin is arranged above the frame body, a vibration spring is arranged betweenthe vibration screening bin