Batch vacuum coating fixture for mirrors

The vacuum coating fixture for reflectors, designed with gear and rack meshing and limiting blocks, solves the problems of unstable clamping and wear, and achieves a high-efficiency and stable coating process, adapting to the clamping needs of workpieces of different sizes.

CN224337704UActive Publication Date: 2026-06-09ESPECIAL OPTIC INC

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ESPECIAL OPTIC INC
Filing Date
2025-06-29
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing coating fixtures are unstable, causing the coated parts to wobble and wear, which affects the coating quality and lifespan.

Method used

It adopts a gear and rack meshing transmission and a limit block and limit groove structure, combined with a knob locking design, to achieve precise lateral displacement control and clamping stability, and avoid fixture deformation and wear.

Benefits of technology

It ensures that the reflector does not wobble during the coating process, improves batch coating efficiency, prevents parts wear, has a high clamping structure stability, and is adaptable to workpieces of different sizes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224337704U_ABST
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Abstract

This utility model relates to a vacuum coating fixture for batch reflectors, comprising a base plate. Two symmetrically arranged L-shaped plates are movably connected to the upper surface of the base plate. Each L-shaped plate includes vertical and horizontal plates connected perpendicularly to each other. Multiple sliding grooves are formed on opposite sides of the two vertical plates, and clamping structures are movably connected inside the sliding grooves. Protective covers are fixedly connected to the back-to-back sides of the two vertical plates. A driving device is provided between the front and back sides inside the protective covers. The driving device includes a connecting shaft, and a gear is fixedly connected to the surface of the connecting shaft at a position corresponding to the clamping structure. The gear drives the clamping structure to move laterally. This utility model can simultaneously clamp or release workpieces, with multiple clamping structures working in parallel, allowing for the simultaneous fixing of multiple reflectors, significantly improving batch coating efficiency and making it very convenient to use.
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