CN209877884U - Device for testing optical axis position degree of cutting lens - Google Patents
Device for testing optical axis position degree of cutting lens Download PDFInfo
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- CN209877884U CN209877884U CN201920770599.5U CN201920770599U CN209877884U CN 209877884 U CN209877884 U CN 209877884U CN 201920770599 U CN201920770599 U CN 201920770599U CN 209877884 U CN209877884 U CN 209877884U
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Abstract
The utility model relates to a cutting lens optical axis position degree measuring device, this cutting lens optical axis position degree measuring device include bottom plate, guide rail, light source, ground glass, cross differentiation board, lens cone, lens, sample platform, CCD. The utility model provides an thereby utilize measuring device of focus position deflection of cutting lens to measure optical axis position degree of putting, the utility model discloses simple structure has simultaneously, and the test is accurate, convenient operation's characteristics.
Description
Technical Field
The utility model belongs to optics test field, more specifically says, it relates to a cutting lens optical axis position degree testing arrangement.
Background
The field of use of optical lenses is very wide. Traditional circular lens only need control lens off-centre in manufacturing process can guarantee optical axis position degree, and cutting lens then need control the optical axis according to the demand and the position degree of cutting the base, and this position degree deviation volume is just extraordinarily important, utilizes the utility model relates to a cutting lens optical axis position degree testing arrangement then can accurately test out and cut lens optical axis position degree.
Disclosure of Invention
The utility model aims to solve the technical problem that a can accurately test out cut device of lens optical axis position degree is provided.
A device for testing the position of an optical axis of a cut lens comprises a bottom plate (1), a guide rail (2), a light source (3), a lens barrel A (4), ground glass (5), a cross-shaped differentiation plate (6), a lens A (7), a lens barrel B (8), a lens B (9), a sample table (10) and a CCD (11), and is characterized in that the guide rail (2) is fixed at the left end of the bottom plate (1), the lens barrel A (4) is fixed on the guide rail, the light source (3) is fixed at the left end of the lens barrel A (4), the ground glass (5) is fixed at the right end of the light source, the cross-shaped differentiation plate is fixed in front of the ground glass, the lens A (7) is fixed at the right end of the lens barrel A (4), the lens barrel B (8) is positioned at the right end of the guide rail (2) and fixed on the bottom plate (1), the lens B (9) is fixed at, the sample stage (10) is positioned between the lens barrel B (8) and the CCD (11) and is fixed on the bottom plate (1).
The lens cone A (4) is fixed on the guide rail and can move left and right along with the guide rail so as to move left and right in the lens cone B (8); the sample platform (10) is a sample platform device with adjustable front and back, left and right, up and down and inclination; the light source (3) is an adjustable LED white light source; the CCD (11) is a black and white camera.
The utility model has the advantages that: make the focus of the test sample of different focuses all assemble on the CCD target surface through the movable guide, thereby gather the position of focus through CCD and calculate cutting lens optical axis position degree, can not receive the influence of all kinds of product focus length, also need not to switch all kinds of different camera lenses, simple structure, the test is accurate, convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail and fully with reference to the accompanying drawings.
As shown in fig. 1, a device for testing the optical axis position of a cut lens comprises a bottom plate (1), a guide rail (2), a light source (3), a lens barrel a (4), ground glass (5), a cross-shaped differentiation plate (6), a lens a (7), a lens barrel B (8), a lens B (9), a sample stage (10) and a CCD (11).
The guide rail (2) is fixed at the left end of the bottom plate (1), the lens barrel A (4) is fixed on the guide rail, the light source (3) is fixed at the left end of the lens barrel A (4), the ground glass (5) is fixed at the right end of the light source, the cross-shaped differentiation plate is fixed in front of the ground glass, the lens A (7) is fixed at the right end of the lens barrel A (4), the lens barrel B (8) is located at the right end of the guide rail (2) and is fixed on the bottom plate (1), the lens B (9) is fixed at the right end of the lens barrel B (8), the CCD (11) is fixed at the right end of the bottom plate (1), and the sample platform (10) is located between the lens barrel B (8) and the CCD.
The lens cone A (4) is fixed on the guide rail and can move left and right along with the guide rail so as to move left and right in the lens cone B (8); the sample platform (10) is a sample platform device with adjustable front and back, left and right, up and down and inclination; the light source (3) is an adjustable LED white light source; the CCD (11) is a black and white camera.
When the device is adopted, a to-be-measured cutting lens mark sheet is placed on a sample table (10) firstly, the to-be-measured cutting lens mark sheet is adjusted by the sample table (10), the lens A (7), the lens B (9) and the CCD (11) are adjusted on the same horizontal plane, the guide rail is adjusted left and right until a clear cross focus image appears on the CCD (11) imaging, the brightness of the light source (3) is adjusted again at the moment, the cross focus image is clearer, the position of the cross focus image can be measured, the position is determined to be a zero position, the to-be-measured cutting lens mark sheet is taken down, the to-be-measured cutting lens is placed at the position of the to-be-measured cutting lens mark sheet, and the deviation of the cross focus image on the CCD (11) imaging is measured and is the optical axis.
Claims (5)
1. A device for testing the position of an optical axis of a cut lens comprises a bottom plate (1), a guide rail (2), a light source (3), a lens barrel A (4), ground glass (5), a cross-shaped differentiation plate (6), a lens A (7), a lens barrel B (8), a lens B (9), a sample table (10) and a CCD (11), and is characterized in that the guide rail (2) is fixed at the left end of the bottom plate (1), the lens barrel A (4) is fixed on the guide rail, the light source (3) is fixed at the left end of the lens barrel A (4), the ground glass (5) is fixed at the right end of the light source, the cross-shaped differentiation plate is fixed in front of the ground glass, the lens A (7) is fixed at the right end of the lens barrel A (4), the lens barrel B (8) is positioned at the right end of the guide rail (2) and fixed on the bottom plate (1), the lens B (9) is fixed at, the sample stage (10) is positioned between the lens barrel B (8) and the CCD (11) and is fixed on the bottom plate (1).
2. The device for testing the location degree of the optical axis of the cutting lens according to claim 1, wherein the lens barrel A (4) is fixed on the guide rail and can move left and right along with the guide rail so as to move left and right in the lens barrel B (8).
3. The device for testing the location degree of the optical axis of a cutting lens as claimed in claim 1, wherein the sample stage (10) is a sample stage device with adjustable front and back, left and right, up and down, and tilt.
4. The device for testing the location degree of the optical axis of the cutting lens as claimed in claim 1, characterized in that the light source (3) is an adjustable LED white light source.
5. The device for testing the location degree of the optical axis of a cutting lens as claimed in claim 1, wherein the CCD (11) is a black and white camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770599.5U CN209877884U (en) | 2019-05-27 | 2019-05-27 | Device for testing optical axis position degree of cutting lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770599.5U CN209877884U (en) | 2019-05-27 | 2019-05-27 | Device for testing optical axis position degree of cutting lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209877884U true CN209877884U (en) | 2019-12-31 |
Family
ID=68947702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920770599.5U Active CN209877884U (en) | 2019-05-27 | 2019-05-27 | Device for testing optical axis position degree of cutting lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209877884U (en) |
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2019
- 2019-05-27 CN CN201920770599.5U patent/CN209877884U/en active Active
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