Dry type specific gravity separator for seeds

The utility model relates to a dry-type specific gravity separator for seeds, which comprises a first base, a feeding mechanism, a mounting frame component and a conveyor belt, two transmission shafts are rotatably arranged on the mounting frame component, the conveyor belt is wound on the two transmission shafts, and a first end and a second end are respectively arranged on two sides of the mounting frame component along the conveying direction of the conveyor belt. The first end is hinged to the first base, the second end is higher than the first end, a first height adjusting mechanism used for adjusting the height of the second end is arranged on the mounting frame assembly, the feeding mechanism is provided with a discharging port, the discharging port is located above the starting end of the conveying belt and is close to the second end, and the mounting frame assembly is provided with a first collecting port, a second collecting port and a third collecting port. The first material collecting port is loc