Marking device for steering rod joint

The utility model relates to the technical field of machining, in particular to a marking device for a steering rod joint, which ensures the working continuity, saves the manual replacement time, saves the manpower, improves the working efficiency and improves the practicability. The device comprises a workbench, a tool, a longitudinal support, a lead screw, a first rotating shaft, a rotating wheel, a transverse support, a laser working head and a control panel, the tool is fixedly installed at the upper end of the workbench, the longitudinal support is fixedly installed at the upper end of the workbench, a cavity is formed in the longitudinal support, and the lead screw is rotatably installed in the cavity of the longitudinal support; the rotating wheel is fixedly mounted at the upper endof the first rotating shaft and provided with a handle, and the transverse support is slidably mounted on the longitudinal support; the device further comprises a supporting plate, a hydraulic machine, a first hydraulic rod,