Planting device for forestry afforestation

The utility model relates to the technical field of forestry afforestation, in particular to a forestry afforestation planting device which comprises a base, a first fixing frame is arranged on the base, a supporting column is arranged on the right side of the base, and an oscillation mechanism is arranged on the supporting column. A first screw rod and a second screw rod are respectively connected with a first rectangular block and a second rectangular block, so that a sapling can be movably planted in a uniform plane, four upright posts are fixedly connected with conical nails, so that a stabilizing effect of stabbing into soil during planting is realized, and a first bevel gear and a second bevel gear are driven by an oscillation mechanism and a third motor, so that the sapling can be stably planted; the first bevel gear and the second bevel gear are in meshed connection and can drive a ratchet wheel and a pawl to rotate, so that a knocking plate connected to the pawl is driven to knock soil brought out by