Clamping equipment

The utility model belongs to the technical field of casting, and provides clamping equipment which is used for clamping a cylindrical workpiece and comprises a rotating seat and a supporting frame, the rotating seat comprises a rotating table and a driving device, and the driving device drives the rotating table to turn over up and down; the supporting frame is used for being arranged in a through hole of a workpiece in a sleeved mode, and the supporting frame is fixed to the rotary table. The rotary table is provided with a plurality of clamps and a plurality of working holes which are arranged around the periphery of the supporting frame, the clamps are used for fixing the end face structure of a workpiece, and a machining cutter stretches into the working holes to machine the workpiece. The technical problems that in the prior art, a cylindrical workpiece is difficult to clamp, machining parts cannot be changed, and consequently the production efficiency is low are solved. 本申请属于铸造技术领域，提供一种装夹设备，用于对筒状的工件进行装夹