Cutting machine tool for improving ruby cutting precision

The utility model discloses a cutting machine tool capable of improving ruby cutting accuracy, and relates to the technical field of gem processing, the cutting machine tool capable of improving the ruby cutting accuracy comprises a base, a supporting table is arranged on the surface of the base, and a threaded rod is arranged on the surface of the supporting table through a driving motor; the surface of the threaded rod is sleeved with a movable plate, a connecting frame is arranged on the surface of the movable plate through an adjusting device, a cutting disc is arranged on the surface of the connecting frame through a variable speed motor, and a clamping piece is arranged on the surface of the base through an air cylinder. The gemstone cutting device has the advantages that the adjusting device can adjust the cutting precision, improve the gemstone cutting precision and reduce the cutting error, so that the problems that the cutting precision is easily influenced, the gemstone is subjected to dimensional