Film coating clamp for optical glass production

The utility model discloses a coating fixture for optical glass production in the technical field of optical glass coating, which comprises a rectangular frame plate and a gear adjusting device, supporting legs are vertically mounted at four corners of the bottom of the rectangular frame plate, a bottom plate is fixed among the bottoms of the four supporting legs, universal wheels with brakes are mounted at four corners of the bottom of the bottom plate, and the gear adjusting device is mounted on the bottom of the rectangular frame plate. Through grooves are formed in the two sides of the upper surface of the rectangular frame plate, a first clamping plate and a second clamping plate are slidably inserted into inner cavities of the through grooves in the two sides correspondingly, two racks can move relatively or separately through a gear adjusting device, and then optical glass of various specifications can be clamped by the first clamping plate and the second clamping plate in the horizontal direction; the