Rapid clamping apparatus of large-aperture ultrathin flat plate

A clamping device, large-diameter technology, applied in installation, optics, instruments, etc., can solve the problems of difficulty in ensuring that the rotation axis passes through the center of the plate, difficult to provide a positioning reference, occupying a large space, etc., to ensure high-precision measurement. , Simple operation, accurate positioning effect

Active Publication Date: 2014-11-26
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] Although the general edge multi-point support method to fix flat glass can reasonably distribute the installation stress, it is difficult to provide an accurate positioning reference
The commonly used two-dimensional adjustment frame will obviously take up a lot of space for such a large-caliber ultra-thin plate, and it is difficult to ensure that the rotation axis always passes through the center of the plate when adjusting the orientation

Method used

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  • Rapid clamping apparatus of large-aperture ultrathin flat plate
  • Rapid clamping apparatus of large-aperture ultrathin flat plate
  • Rapid clamping apparatus of large-aperture ultrathin flat plate

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Embodiment Construction

[0021] The present invention can quickly complete the positioning and locking of the plate group through the simple operation of "one leaning, two pushing, three pressing".

[0022] Such as figure 1 As shown, "one leaning" means that the three surfaces of the plate group are respectively supported on the main positioning plate, the left positioning block and the lower positioning block; ” is to rotate the compression knob to make the compression assembly support the plate group from the front. In order to ensure the positioning accuracy of the tooling, each positioning block is first installed on the positioning support, and then the positioning surface of the positioning block is trimmed to achieve the specified shape and position tolerance accuracy. The use of the disc spring ensures that the compression hook sleeve can slide up and down in the fixed bushing to achieve the purpose of compression or relaxation of the plate group.

[0023] Specifically, the fast clamping dev...

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Abstract

The invention relates to a rapid clamping apparatus of a large-aperture ultrathin flat plate. The rapid clamping apparatus mainly comprises a positioning assembly, a compaction assembly, a rotation assembly and a compaction assembly. The rapid clamping apparatus of the large-aperture ultrathin flat plate is simple in operation and accurate in positioning, can rapidly finish positioning and locking of a flat plate group during measurement, and realizes three-step accurate positioning installation during the measurement for each time. When posture adjustment is performed on a large-dimension flat plate, a center position maintains unchanged, and the high-precision measurement of a plat plate indicator is ensured.

Description

technical field [0001] The invention relates to a fast clamping device for a large-diameter ultra-thin flat plate, especially for the measurement process of a large-diameter diffraction sampling grating. Background technique [0002] Large-diameter ultra-thin flat plates (diameter greater than 400mm×400mm, thickness 16mm), especially the rapid and precise diagnostic measurement of parameters related to large-diameter diffraction sampling gratings, often require a set of tooling that can be quickly positioned and locked. The tooling should also have a precise attitude adjustment function for adjustment during alignment. The center of the plate can be externalized as the center of the plate group through the structure and used as the origin of the measurement coordinate system. When measuring, it is required that the azimuth axis of the plate passes through the origin of the coordinates, so that the center of the plate does not change when it is rotated. [0003] Although th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/00
Inventor 张磊郑小霞孙策
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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