Workpiece cambered surface machining device

The utility model relates to the technical field of automobile part machining, in particular to a workpiece cambered surface machining device which comprises a machine frame, the machine frame is provided with a workbench, a cutter head used for fixing a cutter is arranged above the workbench, and the cutter head is provided with a first driving device for driving the cutter head to rotate. A sliding seat is connected above the workbench in a sliding mode, the sliding seat is provided with a second driving device for driving the sliding seat to move, a fixing device for fixing a workpiece is arranged above the sliding seat, an included angle is formed between the cutter head and the surface of the workpiece to be machined, and the height of the cutter head is gradually increased in the moving direction of the workpiece. By inclining the first driving device, a certain included angle is formed between the cutter head and the to-be-machined plane of the workpiece, and when the second driving device drives the w