Feeding device of seed germination box

The utility model relates to the technical field of agricultural breeding, in particular to a seed germination box feeding device which comprises a screen drum, first screen holes are formed in the surface of the screen drum, a first box cover is connected to the top end of the screen drum, connecting rods are installed on the periphery of the top end of the screen drum, one ends of the connecting rods are connected with a disc, and through holes are formed in the end face of the disc. The charging barrel is installed in the screen barrel, second screen holes are formed in the surface of the charging barrel, and a second box cover is connected to the top end of the charging barrel; the outer surface of the bottom end of the rotating shaft is provided with an external thread, and the threaded end of the rotating shaft is connected with a nut; the feeding device is installed in the seed germination box body, the motor drives the feeding device to operate, materials in the charging barrel are thrown out of the s