Semi-automatic milling machine for external spiral spline

The utility model relates to the technical field of spline processing, and discloses a semi-automatic milling machine for external spiral splines, as shown in Figure 1 and Figure 2, which comprises a machine tool, a workbench capable of horizontally moving is arranged on the machine tool, an ejector pin is fixedly arranged at one end of the workbench, a dividing head is fixedly arranged at the other end of the workbench, and an inclined milling device is arranged on the machine tool above the workbench. A hinge seat and a clamping seat are fixedly arranged on the workbench and located below the dividing head, one side of the dividing head is hinged to the hinge seat, the other side of the dividing head is detachably connected with the clamping seat, and a supporting plate is arranged on the side, located on the hinge seat, of the dividing head. The utility model has the following advantages and effects: the indexing head capable of turning over is arranged on the working table, so that the working table can b