Spectral confocal positioning lens interlayer polarizing film detection device and lens clamping structure thereof

The utility model relates to the technical field of lens detection, in particular to a lens clamping structure, which is characterized in that a lens protection plate for placing a lens is arranged in a clamping piece base, a lens clamping plate is arranged at the edge of the clamping piece base through a rotating shaft, and the lens clamping plate is arranged on the rotating shaft through a bearing seat; teeth on the inner side of the rotating gear disc are meshed with a gear on the rotating shaft, the rotating gear disc drives the rotating shaft to rotate through the gear, and the lens clamping plate linearly moves up and down along the rotating shaft. According to the technical scheme of the utility model, the structure and algorithm are optimized through the positioning detection of the spectrum confocal technology in the interlayer of the lens. The high-speed non-destructive measurement of the polarizing film interlayer of the spectacle lens is met; and the distance between the polarizing film layer and