Tapping device for servo motor shell

The utility model relates to a tapping device for a servo motor shell. The tapping device comprises a first tapping assembly, a second tapping assembly, a clamping mechanism and a workbench. The two first tapping assemblies are horizontally arranged, the second tapping assembly is vertically arranged, the first motor drives the first lifting column so as to drive the first screw taps to rotate fortapping, the number of the first screw taps is multiple, and the two first screw taps are oppositely arranged. The second motor drives the second screw tap to rotate for tapping, and the second screwtap is arranged downwards. The clamping mechanism is used for clamping a servo motor shell to be tapped, and the clamping mechanism is located between the two first screw taps and located below the second screw tap; a workbench; the tapping mechanism and the clamping mechanism are arranged on the workbench. The tapping machine is suitable for various sizes, high in efficiency, high in tapping precision and capable of savi