Corn no-tillage seeding device suitable for black land

The utility model relates to the technical field of corn seeding, and discloses a corn no-tillage seeding device suitable for black land, which comprises a seeding machine and a support wheel arranged below the seeding machine, two groups of support rods are symmetrically and fixedly arranged in front of the seeding machine, the two groups of support rods extend downwards, and a cutting disc is fixedly arranged between the end parts of the two groups of support rods. A depth limiting plate is fixedly installed at the position, corresponding to the outer side of the cutting disc, of the supporting rod and composed of an upper arc-shaped plate and a lower arc-shaped plate which are symmetrical, the middles of the two arc-shaped plates are connected, and an installation rod is fixedly installed at the position, corresponding to the axis of the cutting disc, of the supporting rod. According to the utility model, the soil attachment can be effectively reduced, the limited depth is controlled, and when the working