Positioning and checking tool for side vertical control over optical prisms and processing method

A positioning tooling and side positioning technology, which is applied in the direction of manufacturing tools, optical surface grinders, metal processing equipment, etc., can solve the problem that the positioning accuracy of side sagging is difficult to achieve, and achieve simple and fast positioning, avoid loosening or falling, and increase bonding intensity effect

Pending Publication Date: 2018-07-13
马鞍山市江南光学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a positioning tool for optical prism side sag control, and its purpose is to solve t

Method used

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  • Positioning and checking tool for side vertical control over optical prisms and processing method
  • Positioning and checking tool for side vertical control over optical prisms and processing method
  • Positioning and checking tool for side vertical control over optical prisms and processing method

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0047] Example 1

[0048] Such as image 3 As shown, the positioning tool for optical prism side-sag control of this embodiment is specially designed for the grinding of the bevel at both ends of the square prism, namely figure 1 The semi-finished square prism shown is ground into figure 2 The finished product shown. The quadrilateral prism requires that the angle between its two end slopes and the upper and lower bottom surfaces is 45°, and the accuracy of perpendicularity to the front and rear sides, that is, the accuracy of side sag is within 20". The positioning tool structure is described below.

[0049] The positioning tool of this embodiment includes a substrate 1, a positioning prism 2, an end surface positioning block 3, a side positioning block 4, a connecting block 5 and a supporting block 6. Among them, the positioning prism 2, the end face positioning block 3 and the support block 6 are placed on the substrate 1; the positioning prism 2 and the side positioning block ...

Example Embodiment

[0053] Example 2

[0054] Such as Figure 4 As shown, the verification tool for the side-sag control of the optical prism of this embodiment is specifically designed for the positioning and installation of the positioning tool for the side-sag control of the optical prism of Embodiment 1. It mainly includes a reference prism 7 and a reference tetragonal prism 8; among them, the reference prism 7 is an isosceles right-angle prism, the reference tetragonal prism 8 is fixed on the slope of the reference prism 7, and the reference prism 8 is a regular hexagon. The reference prism 7 is matched with the V-shaped positioning groove formed by the two positioning prisms 2, and two adjacent sides of the reference tetragonal prism 8 are used as detection surfaces, which are matched with the end positioning surface of the end positioning block 3 and the side positioning block 4 respectively. The side positioning surface matches.

[0055] The reference triangular prism 7 and the reference squa...

Example Embodiment

[0058] Example 3

[0059] The processing method of the optical prism side sagging control of this embodiment is used to figure 1 The semi-finished square prism shown is processed into figure 2 The finished square prism shown is to grind the inclined surfaces at both ends to ensure that the vertical accuracy of the inclined surface and the front and back sides of the square prism is within 20".

[0060] The operation steps of the processing method of optical prism side-sag control are as follows:

[0061] 1. Assembly of positioning tooling

[0062] Use the verification tool for the side-sag control of the optical prism of embodiment 2 to assemble the positioning tool for the side-sag control of the optical prism in embodiment 1; Figure 5 As shown, the specific assembly steps are:

[0063] ①Take a positioning prism 2 and press it on the upper surface of the substrate 1 to produce interference fringes, and glue it through optical glue; connect the V-shaped bottom side of the reference pr...

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PUM

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Abstract

The invention discloses a positioning and checking tool for side vertical control over optical prisms and a processing method, and belongs to the technical field of optical prism processing. The positioning tool comprises a base plate, positioning triangular prisms, an end surface positioning block and a side surface positioning block; the two positioning triangular prisms are oppositely arrangedon the base plate and form a V-shaped positioning groove; the end surface positioning block is arranged on the position, on one sides of the positioning triangular prisms, of the base plate and is provided with an end positioning surface; the end positioning surface is perpendicular to the upper surface of the base plate and is perpendicular to the projection plane, on the base plate, of the groove surface of the V-shaped positioning groove; the side positioning block is arranged above the V-shaped positioning groove and is provided with a side positioning surface; and the side positioning surface is perpendicular to the groove surface of the v-shaped positioning groove and the end positioning surface of the end surface positioning block. The processing method comprises the following stepsof firstly, assembling the positioning tool through a checking tool; then carrying out vertical positioning on a square prism by using the positioning tool; and finally, grinding the bevels at the two ends of the square prism. According to the positioning and checking tool and the processing method, the square prism can be conveniently and quickly positioned, and the side vertical precision of the bevels at the two ends can be guaranteed to be within 20 arc seconds.

Description

technical field [0001] The invention belongs to the technical field of optical prism processing, and more specifically relates to a positioning and checking tool and a processing method for side droop control of an optical prism. Background technique [0002] A prism is a prism composed of optical materials. The refracting and reflecting surfaces of all prisms are collectively called the working surface, the intersection line of the two working surfaces is called the prism, and the section perpendicular to the prism is called the main section. Prisms play many different roles in optics. The combination of prisms can be used as beam splitters, polarizers, etc., but in most applications, only the dispersion function of prisms is used, or the direction of the image, the beam A function that changes the direction of propagation. The dispersion function makes the prism act as a dispersion element, such as the prism in the spectrometer, spectrograph, and monochromator, it plays t...

Claims

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Application Information

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IPC IPC(8): B24B13/00B24B13/005B24B1/00
CPCB24B1/00B24B13/00B24B13/005Y02P40/57
Inventor 金正彬
Owner 马鞍山市江南光学有限公司
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