Grafting device for forest tree planting

The utility model discloses a grafting device for forest tree planting. The grafting device comprises a bottom plate, a plate frame is fixedly installed on the top wall of the bottom plate, a supporting rod is movably installed on the top face of the plate frame in a sleeved mode, a cutter is fixedly installed at the bottom end of the supporting rod, and a cutting base located below the cutter is fixedly installed at the top of the bottom plate. A cutting edge is fixedly installed on the edge of the bottom side of the cutter, and cutting edges located on the two sides of the cutting edge are further assembled on the bottom side of the cutter. The top side of the cutting base is provided with a cutting groove located in the dead center and spiral grooves located in the two sides of the cutting base. According to the grafting device for forest tree planting, due to the fact that the cutter is arranged on the inner side of the bottom plate, part of thick branches can be pre-cut through the cutting edge on the ed