Rotary clamp

The utility model discloses a rotary clamp, which comprises a clamp base, a rotary driving device, a rotating shaft and a rotating shaft, the rotating seat is arranged on the upper side of the clamp base, the rotating seat and the clamp base rotate relatively, the rotating axis of the rotating seat is vertically arranged, and the rotating seat is in transmission connection with the rotating driving device; the clamping assembly comprises an upper clamping head and a lower clamping head, the upper clamping head and the lower clamping head are both arranged on the rotating seat, and a machining space is formed between the upper clamping head and the lower clamping head; the multiple clamping assemblies are evenly distributed on the periphery of the rotating base in the circumferential direction of the rotating axis of the rotating base. A plurality of clamping assemblies are arranged on the rotating seat, a workpiece is clamped between an upper clamping head and a lower clamping head of each clamping assembly,