Plant seedling planting robot

The invention provides a plant seedling planting robot, and belongs to the technical field of planting equipment.The plant seedling planting robot comprises a rack, a seedling taking device, a seedling planting device, a soil covering device and at least two pairs of advancing devices, and a tray is arranged on the first inner wall; the seedling taking device comprises a gantry truss mechanism and a first clamping device; the seedling device comprises a seedling discharging barrel, a lifting mechanism and a duckbilled seedling throwing device which are sequentially arranged in the vertical direction, the lifting mechanism and the duckbilled seedling throwing device are both arranged in the containing cavity, and a duckbilled part of the duckbilled seedling throwing device extends out of the rack; each pair of advancing devices is in axial symmetry about the central axis of the rack. Each advancing device comprises a second driving motor and a walking wheel. Through cooperation of the seedling taking device, t