Tapping mechanism of automatic metal tapping machine

The utility model relates to the technical field of tapping machines, in particular to a tapping mechanism of an automatic metal tapping machine, which enables tapping and feeding to form linkage, replaces traditional independent drive, can adjust the angle of a tapping cutter, realizes tapping at different angles, reduces the frequency of replacing and placing positions of workpieces, and improves the working efficiency. The working efficiency and operability of the device are improved; comprising a bottom plate, a supporting plate, a support, a first motor, a motor base, a rotating shaft, a first bevel gear, a cutter edge, a tapping cutter, a fixing assembly, two feeding assemblies and two adjusting assemblies, the two adjusting assemblies are symmetrically and fixedly installed on the upper end face of the bottom plate left and right, and the fixing assembly is fixedly installed in the middle of the upper end face of the bottom plate; the two feeding assemblies are rotationally installed on the two adjusti