CN112710267A - Detection equipment for thickness deviation of square spherical lens - Google Patents
Detection equipment for thickness deviation of square spherical lens Download PDFInfo
- Publication number
- CN112710267A CN112710267A CN202011320775.9A CN202011320775A CN112710267A CN 112710267 A CN112710267 A CN 112710267A CN 202011320775 A CN202011320775 A CN 202011320775A CN 112710267 A CN112710267 A CN 112710267A
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- Prior art keywords
- spherical lens
- positioning
- square spherical
- support
- square
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a detection device for thickness deviation of a square spherical lens, which comprises a detection table, wherein the detection table is provided with a rotary support and a rotary disk positioned in the rotary support, the rotary disk is used for placing the square spherical lens, one side of the rotary support is provided with a support, and the support is connected with a detector for detecting the thickness of the square spherical lens. In the using process of the detection device, the square spherical lens is placed on the rotating disc, and the detector detects the thickness of the square spherical lens on the rotating disc. After the detection of one side is finished, the rotating disc rotates in the rotating support, and then the square spherical lens is driven to rotate. And after the lens is rotated in place, the detector is used for detecting the square spherical lens again. And the thickness deviation of the square spherical lens can be obtained after multiple detections.
Description
Technical Field
The invention relates to the technical field of optical detection equipment, in particular to detection equipment for thickness deviation of a square spherical lens.
Background
The existing method for testing the thickness deviation of the spherical lens mainly aims at testing the small-caliber circular spherical lens. The processing flow of the small-caliber circular spherical lens is generally milling or polishing after fine grinding. And in the fine grinding stage, the thickness deviation is not usually tested, and after polishing, an eccentricity instrument is adopted, and the optical performance is measured in a transmission light path mode, so that the thickness deviation is judged. Even if testing, generally adopt special frock to match and measure, a radial spherical element corresponds a special frock, will be surveyed the component and put in special frock, rotate and look into the gap deviation after looking for, the qualitative thickness deviation of judging.
However, the thickness deviation is tested by adopting an eccentricity instrument, and the thickness deviation can only be tested after the tested spherical lens is polished, and the thickness deviation cannot be tested in the fine grinding stage. By adopting a special tool method, the caliber of the only targeted element is small, and quantitative test is difficult.
Therefore, how to provide a detection device for detecting the thickness deviation of the square spherical lens is a technical problem which needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a device for detecting thickness deviation of a square spherical lens, which rotates the square spherical lens through a rotating disc, and detects the thickness of the square spherical lens through a micrometer, thereby realizing the measurement of the thickness deviation.
In order to achieve the purpose, the invention provides a detection device for thickness deviation of a square spherical lens, which comprises a detection table, wherein the detection table is provided with a rotary support and a rotary disk positioned in the rotary support, the rotary disk is used for placing the square spherical lens, one side of the rotary support is provided with a support, and the support is connected with a detector for detecting the thickness of the square spherical lens.
Preferably, the inner side of the rotating support is provided with a circular mounting hole, a mounting bearing is arranged on the inner side of the mounting hole, and the rotating disc is annular and is connected with an inner ring of the mounting bearing.
Preferably, the detection platform is provided with a lifting hole penetrating along the thickness direction, the lifting hole is positioned on the inner side of the rotary support, a lifting cylinder is arranged below the detection platform, and a piston of the lifting cylinder penetrates through the lifting hole to be connected with a lifting disc on the inner side of the rotary support.
Preferably, 3 support columns are arranged on the lifting disc, and all the support columns are located on the circumference concentric with the rotating disc.
Preferably, the upper end face of the detection table is further provided with a positioning column for positioning the thickness of the square spherical lens.
Preferably, the number of the positioning columns is 3, two of the positioning columns are first positioning columns, two of the first positioning columns are located on the same straight line and used for positioning a first side edge of the square spherical lens, and the other positioning column is a second positioning column used for positioning a second side edge of the square spherical lens, which is adjacent to the first side edge.
Preferably, 3 positioning columns are connected with a piston of the lifting cylinder, and when the piston descends to the lowest point, the height of the upper ends of the positioning columns is lower than that of the upper end face of the rotating disc.
Preferably, a translation mechanism for pushing the square spherical lens to be attached to the second positioning column is arranged on one side, opposite to the second positioning column, of the detection table.
Preferably, the translation mechanism comprises a mounting seat and a push rod, the mounting seat is perpendicular to the upper end face of the detection table, the push rod is used for pushing the square spherical lens, a positioning nut is arranged in the mounting seat and is in threaded fit with the push rod, and the push rod is connected with the hand wheel.
The detection equipment for the thickness deviation of the square spherical lens comprises a detection table, wherein the detection table is provided with a rotary support and a rotary disk positioned in the rotary support, the rotary disk is used for placing the square spherical lens, one side of the rotary support is provided with a support, and the support is connected with a detector used for detecting the thickness of the square spherical lens.
In the using process of the detection device, the square spherical lens is placed on the rotating disc, and the detector detects the thickness of the square spherical lens on the rotating disc. After the detection of one side is finished, the rotating disc rotates in the rotating support, and then the square spherical lens is driven to rotate. And after the lens is rotated in place, the detector is used for detecting the square spherical lens again. And the thickness deviation of the square spherical lens can be obtained after multiple detections.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of an apparatus for detecting thickness deviation of a square spherical lens according to the present invention;
fig. 2 is a plan view of the apparatus for detecting a thickness deviation of the square spherical lens of fig. 1.
Wherein the reference numerals in fig. 1 and 2 are:
the device comprises a detection table 1, a rotary support 2, a rotary disk 3, a lifting cylinder 4, a lifting disk 5, a support 6, a detector 7, a translation mechanism 8, a positioning column 9 and a square spherical lens 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, fig. 1 is a cross-sectional view of an apparatus for detecting thickness deviation of a square spherical lens according to the present invention; fig. 2 is a plan view of the apparatus for detecting a thickness deviation of the square spherical lens of fig. 1.
The structure of the detection device for thickness deviation of the square spherical lens provided by the invention is shown in figure 1, and the detection device comprises a detection table 1, a rotary support 2, a rotary disk 3 and a detector 7. Wherein, the rotary support 2 is arranged on the table-board of the detection table 1, the inner side of the rotary support 2 is provided with a circular mounting hole, the rotary disk 3 is annular, the lower part thereof is an annular mounting boss, and the mounting boss is inserted into the mounting hole of the rotary support 2. The upper end surface of the rotating disk 3 has a support surface which is a part of a spherical surface capable of being attached to the square spherical lens 10. The square spherical lens 10 is placed on the supporting surface, and the rotating disk 3 can drive the square spherical lens 10 to rotate. The detection table 1 is provided with a support 6, the support 6 is positioned on one side of the rotating support 2, and the upper part of the support 6 is provided with a detector 7 for detecting the thickness of the square spherical lens. The square spherical lens 10 is placed on the supporting surface, the thickness of the square spherical lens 10 is detected through the detector 7, then the square spherical lens 10 is rotated through the rotating disk 3, the thickness of other parts of the square spherical lens 10 is detected through the detector 7, the thickness of multiple points on the square spherical lens 10 can be detected after the square spherical lens is rotated for several times, and the thickness deviation of the square spherical lens 10 can be calculated. The detector 7 may be embodied as a micrometer or other prior art instrument for measuring thickness, and is not limited herein.
Alternatively, the rotating support 2 and the rotating disc 3 are connected by a mounting bearing. Specifically, the mounting bearing is arranged in the mounting hole of the rotary support 2, the outer ring of the bearing is in interference fit with the side wall of the mounting hole, and the annular boss at the lower part of the mounting disc is matched with the inner ring of the mounting bearing, so that the rotary disc 3 is rotatably connected with the rotary support 2.
Optionally, the lower part of the detection table 1 is provided with a pedestal, the pedestal supports a table top, the table top is provided with a lifting hole penetrating along the thickness direction, and the lifting hole is positioned on the inner side of the rotary support 2 and the rotary disk 3. A lifting cylinder 4 is arranged below the table board, a lifting disc 5 positioned on the inner side of the rotating disc 3 is also arranged above the table board, and a piston of the lifting cylinder 4 penetrates through a lifting hole to be connected with the lifting disc 5 on the inner side of the rotating support 2. 3 support columns are arranged on the lifting disc 5, and all the support columns are positioned on the circumference concentric with the rotating disc 3. After the piston of the lifting cylinder 4 rises, the lifting disc 5 is pushed to rise, and the supporting columns on the lifting disc 5 rise simultaneously to lift the square spherical lens 10. After the lifting cylinder 4 rises to a preset height, the detector 7 detects the square spherical lens 10, and further measurement errors caused by different heights of the square spherical lens 10 are avoided.
In addition, the position of placing square spherical lens 10 on detecting platform 1 can cause measuring result error, for guaranteeing to place the position accuracy, detects the mesa of platform 1 and still is equipped with reference column 9. When the square spherical lens 10 is placed, the side edge of the square spherical lens is attached to the positioning column 9, so that the position accuracy can be ensured.
Optionally, the number of the positioning columns 9 is 3, two of the positioning columns 9 are first positioning columns, the two first positioning columns are located on the same straight line, and the other positioning column 9 is a second positioning column. The two first positioning columns are used for positioning a first side edge of the square spherical lens 10, and the second positioning column is used for positioning a second side edge of the square spherical lens 10, which is adjacent to the first side edge. The centers of the 3 square spherical lenses 10 which are determined as the main locking are coincided with the circle centers of the circles where the 3 support columns are located. Any one side of the square spherical lens 10 can be the first side. In the placing process, the square spherical lens 10 is placed on the rotating disc 3, so that one side edge of the square spherical lens 10 is attached to the two first positioning columns. Then, the square spherical lens 10 is pushed along the direction parallel to the straight line where the two first positioning columns are located, so that the square spherical lens is attached to the second positioning column, and the positioning of the square spherical lens 10 is completed.
Optionally, in order to ensure that the moving direction of the square spherical lens 10 is always parallel to the straight line where the two first positioning columns are located when the square spherical lens moves towards the second positioning column, a translation mechanism 8 is further arranged on the detection table 1. The translation mechanism 8 pushes the square spherical lens 10 to move, so that the square spherical lens is attached to the second positioning column.
Optionally, the translation mechanism 8 comprises a mount and a push rod. The mounting seat is fixed on the table board and provided with a through hole penetrating along the horizontal direction, and the axis of the through hole is parallel to the straight line where the two first positioning columns are located. The push rod is arranged in the through hole, and the front end of the push rod is abutted against the square spherical lens 10. The pushing rod moves in the through hole and can push the square spherical lens 10 to be attached to the second positioning column. Specifically, a positioning nut can be arranged in the through hole, external threads matched with the positioning nut are arranged on the periphery of the push rod, and a hand wheel is arranged at the rear end of the push rod. The hand wheel is rotated to enable the push rod to extend forwards, and then the square spherical lens 10 is pushed to move towards the second positioning column.
Optionally, 3 positioning columns 9 are connected to the piston of the lifting cylinder 4. Specifically, the mesa has 3 locating holes along the square through of thickness, and 3 reference column 9 set up respectively in 3 locating holes. The lower end of the positioning column 9 is connected with the piston, and when the piston descends to the lowest point, the height of the upper end of the positioning column 9 is lower than that of the upper end surface of the rotating disc 3. At this time, the turntable 3 rotates to adjust the angle of the square spherical lens 10, and the square spherical lens 10 is normally rotated by 90 °. After the square spherical lens 10 is rotated to the right position, the piston is lifted. Simultaneously, the supporting disc and the positioning column 9 are lifted, the supporting disc positions the middle of the square spherical lens 10, and the positioning column 9 positions the side edge of the square spherical lens 10, so that the position of the square spherical lens 10 is relatively fixed when the square spherical lens is detected every time.
In this embodiment, the check out test set of square spherical lens thickness deviation fixes a position through 3 reference column 9 and 3 support columns, can guarantee that square spherical lens 10 places the position accuracy. The rotating disc 3 can drive the square spherical lens 10 to rotate, so that the detector 7 can detect the thicknesses of a plurality of positions of the square spherical lens 10, and further determine the thickness deviation of the square spherical lens 10.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above description describes the thickness deviation detecting apparatus for a square spherical lens provided by the present invention in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a check out test set of square spherical lens thickness deviation, its characterized in that, is including examining test table (1), it is equipped with rotating support (2) and is located to examine test table (1) rotary disk (3) in rotating support (2), rotary disk (3) are used for placing square spherical lens (10), one side of rotating support (2) is equipped with support (6), support (6) even have detector (7) that are used for detecting square spherical lens (10) thickness.
2. The detection apparatus according to claim 1, wherein the rotary support (2) has a circular mounting hole inside, the mounting hole is provided with a mounting bearing inside, and the rotary disk (3) is annular and is connected with an inner ring of the mounting bearing.
3. The detection apparatus according to claim 2, wherein the detection table (1) has a lifting hole penetrating in the thickness direction, the lifting hole is located inside the rotary support (2), a lifting cylinder (4) is arranged below the detection table (1), and a piston of the lifting cylinder (4) passes through the lifting hole to be connected with a lifting disc (5) inside the rotary support (2).
4. A testing device according to claim 3, characterized in that said lifting disc (5) is provided with 3 support columns, all of said support columns being located on a circle concentric with said rotating disc (3).
5. The detection device according to claim 3, characterized in that the upper end face of the detection table (1) is further provided with a positioning column (9) for positioning the thickness of the square spherical lens (10).
6. The detecting apparatus according to claim 5, wherein the number of the positioning posts (9) is 3, two of the positioning posts (9) are first positioning posts, two of the first positioning posts are located on the same straight line and are used for positioning a first side of the square spherical lens (10), and the other one of the positioning posts (9) is a second positioning post, and the second positioning post is used for positioning a second side of the square spherical lens (10) adjacent to the first side.
7. The detection apparatus according to claim 6, wherein 3 positioning columns (9) are connected with the piston of the lifting cylinder (4), and when the piston descends to the lowest point, the height of the upper ends of the positioning columns (9) is lower than that of the upper end surface of the rotating disk (3).
8. The detection apparatus according to claim 6, wherein a translation mechanism (8) for pushing the square spherical lens (10) to be attached to the second positioning column is disposed on a side of the detection table (1) opposite to the second positioning column.
9. The detection device according to claim 8, wherein the translation mechanism (8) comprises a mounting seat perpendicular to the upper end surface of the detection table (1) and a push rod for pushing the square spherical lens (10), a positioning nut in threaded fit with the push rod is arranged in the mounting seat, and the push rod is connected with a hand wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320775.9A CN112710267A (en) | 2020-11-23 | 2020-11-23 | Detection equipment for thickness deviation of square spherical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320775.9A CN112710267A (en) | 2020-11-23 | 2020-11-23 | Detection equipment for thickness deviation of square spherical lens |
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| Publication Number | Publication Date |
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| CN112710267A true CN112710267A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011320775.9A Pending CN112710267A (en) | 2020-11-23 | 2020-11-23 | Detection equipment for thickness deviation of square spherical lens |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000146560A (en) * | 1998-11-05 | 2000-05-26 | Canon Inc | Method and apparatus for segment thickness of lens |
| CN101936699A (en) * | 2010-08-24 | 2011-01-05 | 中国科学院光电技术研究所 | Swing arm type three-dimensional contourgraph |
| CN204944379U (en) * | 2015-09-09 | 2016-01-06 | 湖北扬子江光电仪器有限公司 | Large scale lens edge thickness difference detects lens device |
| CN207746933U (en) * | 2017-12-11 | 2018-08-21 | 南京东可达光电科技有限公司 | A kind of various dimensions lens clamping device |
| CN109307464A (en) * | 2017-07-26 | 2019-02-05 | 福州高意光学有限公司 | A kind of Large Aperture Lenses side thickness difference measuring device and measurement method |
| CN109737909A (en) * | 2019-01-15 | 2019-05-10 | 周桂兵 | A kind of intelligent Thickness measuring instrument of optical mirror slip production |
| CN210268466U (en) * | 2019-10-11 | 2020-04-07 | 黑龙江大学 | Lens center thickness measuring device, reading device, positioning device and positioning sucker |
| CN210773918U (en) * | 2019-10-30 | 2020-06-16 | 上海微电子装备（集团）股份有限公司 | Non-contact lens center thickness measuring device |
| CN211205235U (en) * | 2020-01-16 | 2020-08-07 | 鼎新光学股份有限公司 | Lens thickness measuring device |
-
2020
- 2020-11-23 CN CN202011320775.9A patent/CN112710267A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000146560A (en) * | 1998-11-05 | 2000-05-26 | Canon Inc | Method and apparatus for segment thickness of lens |
| CN101936699A (en) * | 2010-08-24 | 2011-01-05 | 中国科学院光电技术研究所 | Swing arm type three-dimensional contourgraph |
| CN204944379U (en) * | 2015-09-09 | 2016-01-06 | 湖北扬子江光电仪器有限公司 | Large scale lens edge thickness difference detects lens device |
| CN109307464A (en) * | 2017-07-26 | 2019-02-05 | 福州高意光学有限公司 | A kind of Large Aperture Lenses side thickness difference measuring device and measurement method |
| CN207746933U (en) * | 2017-12-11 | 2018-08-21 | 南京东可达光电科技有限公司 | A kind of various dimensions lens clamping device |
| CN109737909A (en) * | 2019-01-15 | 2019-05-10 | 周桂兵 | A kind of intelligent Thickness measuring instrument of optical mirror slip production |
| CN210268466U (en) * | 2019-10-11 | 2020-04-07 | 黑龙江大学 | Lens center thickness measuring device, reading device, positioning device and positioning sucker |
| CN210773918U (en) * | 2019-10-30 | 2020-06-16 | 上海微电子装备（集团）股份有限公司 | Non-contact lens center thickness measuring device |
| CN211205235U (en) * | 2020-01-16 | 2020-08-07 | 鼎新光学股份有限公司 | Lens thickness measuring device |
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Application publication date: 20210427 |