Seed screening device for agricultural planting

The utility model relates to the technical field of seed processing, and discloses a seed screening device for agricultural planting, which comprises a box body, a filter screen is fixedly mounted at the bottom of a seed screening box, connecting blocks are slidably mounted in four fixed blocks, a hollow movable block is fixedly mounted between the two connecting blocks, a motor is fixedly mounted on the right side of the box body, and the motor is fixedly mounted on the right side of the box body. According to the seed screening device for agricultural planting, the motor is matched with the rotating shaft, the centrifugal discs and the hollow movable block to drive the connecting block to rapidly move up and down in a reciprocating mode, and therefore the seed screening effect is improved; the connecting block drives the seeds through the seed screening box to filter out wizened seeds and broken seeds through the filter screen in the rapid up-and-down overturning process, the seed screening efficiency is im