Numerical control tool clamp for water jacket machining

The utility model relates to the technical field of motor water jacket machining, in particular to a numerical control tool clamp for water jacket machining, which comprises a bottom plate and a main pressing oil cylinder, a datum plate is arranged at the bottom of the main pressing oil cylinder, a workpiece is arranged on the surface of the main pressing oil cylinder, a tailstock top tray is arranged at one end of the workpiece, and a tailstock is arranged at the other end of the tailstock top tray. A center positioning expansion sleeve is arranged in the middle of the right side of the workpiece, a hydraulic oil distributor is installed on the right side of the bottom plate, a hydraulic connecting rod is installed at the connecting end of the hydraulic oil distributor, and a rotary oil distributor connecting flange plate is installed at one end of the hydraulic connecting rod. According to the numerical control tool clamp for water jacket machining, the hydraulic oil distribution disc, the hydraulic connect