Automatic tapping device for support

The utility model discloses an automatic tapping device for a support, and belongs to the technical field of support machining. An automatic tapping device for a support comprises a feeding assembly, a sliding way, a pushing assembly, a tapping assembly and a collecting assembly. The slide way comprises a feeding end and a discharging end and is provided with a tapping station; the tapping assembly comprises an automatic tapping machine and a screw tap, and the screw tap is located above the tapping station. The collecting assembly is located below the discharging end. The feeding assembly is used for storing the support workpieces and conveying the support workpieces to the feeding end of the sliding way, the pushing assembly can push the support workpieces at the feeding end to move to the tapping station along the sliding way, and the automatic tapping machine drives the screw tap to tap the support workpieces. And after tapping is completed, the pushing assembly pushes the next support workpiece to the ta