Device of processing locking arm pole elbow

The utility model relates to a device of processing locking arm pole elbow, platform utensil board is a plate body, wherein the perpendicular to plate body graphic settings of one side portion of plate body has a connecting plate, has offered a breach in a corner of plate body, has offered three trompil on the plane of plate body, and one of them trompil is connected with first locating pin, and another trompil is connected with the second locating pin, a third trompil and tool setting pin junction to first locating pin does during the rotation center of locking arm pole elbow, be used for processing the first segmental arc of locking arm pole elbow, use the second locating pin to do during the rotation center of locking arm pole elbow, be used for processing the second segmental arc of locking arm pole elbow, when using tool setting round pin as the rotation center of lathe cutter, be used for processing the third segmental arc of locking arm pole elbow, first clamp plate with the parallel ground crimping of