Marking machine for optical instrument

The utility model relates to the technical field of marking machine equipment, and discloses a marking machine for an optical instrument, which comprises a supporting table, a hollow sealing box is mounted at the top of the supporting table, two rectangular holes are symmetrically formed in the left and right sides of the front side wall surface of the supporting table, and a track plate is mounted on the inner side of the rectangular hole in the left side of the supporting table. By arranging the sealing box, the sealing door, the observation window, the hydraulic air cylinder motor and the clamping device, when the precision optical instrument is marked, the precision optical instrument is fixed through the clamping device, the sealing door is closed, the hydraulic air cylinder motor is controlled through the hollow platform to send the precision optical instrument to the position under the output end of the laser marking machine, and then the precision optical instrument is marked. The machining state of t