Heat preservation hay covering machine for raising forage grass seedlings

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a heat preservation hay covering machine for raising forage grass seedlings. The automatic feeding device comprises a rack, a storage tank and a discharging tank, walking wheels are arranged on the two sides of the rack, the storage tank and the discharging tank are fixedly installed on the rack, the discharging tank is located below the storage tank and is a sealed tank body inclining downwards, the higher end of the discharging tank is communicated with the bottom end of the storage tank through a feeding channel, and the lower end of the discharging tank is communicated with the lower end of the storage tank through a discharging channel. A discharging channel is vertically arranged at the bottom of the discharging groove, and an impeller is arranged in the discharging channel. By means of the device, mechanical hay covering and water spraying operation can be carried out on forage grass seedlings, the w