Automatic butt-welding device for seedling compression bars

The utility model discloses an automatic butt-welding device of a seedling pressing rod, the automatic butt-welding device of the seedling pressing rod is used for welding a pressing rod assembly, and a support frame of the automatic butt-welding device of the seedling pressing rod is used for supporting the pressing rod assembly; a datum hole is formed in the workbench, and the butt-welding mechanism is arranged on the workbench and located above the datum hole. The first driving mechanism is arranged on the workbench and can drive the supporting plate to move in the first direction, the second driving mechanism is arranged on the supporting plate, and the supporting frame has a connecting state connected with the second driving mechanism and a separating state separated from the second driving mechanism. The second driving mechanism drives the supporting frame to move in the second direction, and the first direction and the second direction are perpendicular and both parallel to the surface of the workbench