Workpiece fixing device for numerical control machine tool

The utility model relates to the technical field of machine tool equipment, and discloses a workpiece fixing device for a numerical control machine tool, which comprises a workbench, the bottom of the workbench is fixedly connected with a support plate I, the top of the support plate I is provided with a driving assembly, and the outside of the driving assembly is provided with a support plate II; a plurality of rotating plates are rotatably connected to the exterior of the second supporting plate, a sliding plate is rotatably connected to the tops of the rotating plates, limiting plates are fixedly connected to the left side and the right side of the sliding plate, a first fixing plate is fixedly connected to the top of the sliding plate, and a protection plate is fixedly connected to the exterior of the first fixing plate. According to the workpiece clamping and fixing device for the numerical control machine tool, the workpiece is clamped and fixed when the workpiece is machined, deviation of the workpiece