Turning clamp suitable for large high-temperature alloy thin-wall annular workpiece

The utility model provides a turning clamp suitable for a large high-temperature alloy thin-wall annular workpiece. Disc-shaped clamp body, a boss is arranged in the center of the clamp body; a plurality of ejector tools are evenly arranged on the peripheral side faces of the boss, screws and tips are arranged at the two ends of each ejector tool respectively, the screws of the ejector tools are fixedly connected with the peripheral side faces of the boss respectively, the end faces of the tips abut against the surface of the large high-temperature alloy thin-wall annular workpiece, and the central axes of the ejector tools coincide with the radial direction of the large high-temperature alloy thin-wall annular workpiece. The technical scheme of the utility model is adopted; firstly, a large high-temperature alloy thin-wall annular workpiece is clamped on a clamp body; the multiple jacking tools abut against the circumferential face of the workpiece, after the circumferential face of the workpiece is aligned