CN210533303U - Optical lens piece eccentric instrument - Google Patents

Optical lens piece eccentric instrument Download PDF

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Publication number
CN210533303U
CN210533303U CN201921577742.5U CN201921577742U CN210533303U CN 210533303 U CN210533303 U CN 210533303U CN 201921577742 U CN201921577742 U CN 201921577742U CN 210533303 U CN210533303 U CN 210533303U
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China
Prior art keywords
image acquisition
lens
optical image
optical
piece
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Application number
CN201921577742.5U
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Chinese (zh)
Inventor
潘杭磊
王俊
金嘉辉
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HANGZHOU ZHIDA ELECTRO-OPTICAL CO LTD
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HANGZHOU ZHIDA ELECTRO-OPTICAL CO LTD
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Abstract

The utility model belongs to the technical field of optical lens piece detects, an optical lens piece off-center appearance is disclosed, it includes the multidimension regulation platform and sets up on the multidimension regulation platform, be used for installing the lens anchor clamps of being measured the lens piece, the upper and lower bilateral symmetry of lens anchor clamps is provided with upper optical image acquisition subassembly and lower optical image acquisition subassembly, the axle center of upper optical image acquisition subassembly, lower optical image acquisition subassembly and lens anchor clamps is located same straight line, upper optical image acquisition subassembly and lower optical image acquisition subassembly all can be along the direction removal towards or keeping away from the lens anchor clamps; the optical lens eccentricity gauge further comprises an image processing device, and the upper optical image acquisition assembly and the lower optical image acquisition assembly are electrically connected with the image processing device. Through the upper optical image acquisition component and the lower optical image acquisition component that set up from top to bottom, can carry out the detection of the eccentric condition to the upper and lower surface of measurand piece respectively, need not to relapse dismouting measurand piece, operation process is simple and convenient.

Description

Optical lens piece eccentric instrument
Technical Field
The utility model relates to an optical lens piece detects technical field, especially relates to an optical lens piece eccentric appearance.
Background
In the manufacturing process of the optical lens, a series of physical quantities need to be measured, wherein the deviation of the optical axis of the lens from the geometric axis of the lens is called an eccentricity, and the larger the eccentricity is, the smaller the precision of the lens is, so that the detection of the eccentricity in the manufacturing process is particularly important, and in the prior art, the eccentricity of the lens is detected by an eccentricity detector (also called a centering instrument). The eccentric detector is divided into a transmission type and a reflection type, the transmission type principle is that a given light source irradiates a cross lens, a light beam which is diverged in parallel by a collimating lens penetrates through the lens to be measured and is imaged on a microscope, the deviation of the formed cross is observed by the microscope, and a reading is read by a scratch board which is provided with scales; in the reflection type, after the light source transmits through the cross lens, the lens to be measured is irradiated by the spectroscope, and then the lens to be measured is reflected back to the spectroscope to form an auto-collimation image and then is emitted to the microscope. In order to improve the detection accuracy, the lens to be measured is usually set to rotate on a tray to measure the average offset amount of the optical axis.
The existing eccentricity gauge usually measures the upper surface and the lower surface of a lens respectively, namely after the lens is installed, the eccentricity condition of the first surface of the installed lens is detected, then the lens is taken down and overturned for installation, the eccentricity condition of the second surface of the lens is detected, the mode needs to be used for installing the lens twice, and the test process is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an optical lens piece eccentric appearance, test process is simple and convenient.
To achieve the purpose, the utility model adopts the following technical proposal: an optical lens eccentricity instrument comprises a multidimensional adjusting platform and a lens clamp which is arranged on the multidimensional adjusting platform and used for mounting a measured lens, wherein an upper optical image acquisition assembly and a lower optical image acquisition assembly are symmetrically arranged on the upper side and the lower side of the lens clamp, the axes of the upper optical image acquisition assembly, the lower optical image acquisition assembly and the lens clamp are positioned on the same straight line, and the upper optical image acquisition assembly and the lower optical image acquisition assembly can move along the direction towards or away from the lens clamp; the optical lens piece eccentric instrument further comprises an image processing device, and the upper optical image acquisition assembly and the lower optical image acquisition assembly are electrically connected with the image processing device.
Preferably, the optical lens piece eccentricity gauge comprises a base, the multidimensional adjusting table is arranged on the base, an upper support and a lower support are vertically arranged on the base, the upper optical image acquisition assembly is connected to the upper support in a liftable manner, and the lower optical image acquisition assembly is connected to the lower support in a liftable manner.
Preferably, the base is provided with a through hole, and a central axis of the through hole is aligned with a central axis of the lower optical image acquisition assembly.
Preferably, the upper support and the lower support are vertically provided with linear guide rail modules, and the upper optical image acquisition assembly and the lower optical image acquisition assembly are connected to the output ends of the corresponding linear guide rail modules.
Preferably, the driving end of the linear guide rail is provided with an adjusting hand wheel.
Preferably, the upper optical image capturing assembly and the lower optical image capturing assembly each include a CCD camera and an objective lens connected to a side of the CCD camera close to the lens holder, and the CCD camera is electrically connected to the image processing device.
Preferably, the optical lens eccentricity gauge further comprises a display screen, and the image processing device is electrically connected with the display screen.
Preferably, the lens fixture comprises a mounting seat, the mounting seat is arranged on the multidimensional adjusting table, a placing section for accommodating the measured lens is arranged at the top of the mounting seat, a through hole is arranged on the bottom surface of the placing section, and the central axis of the through hole is aligned with the central axis of the lower optical image acquisition assembly.
Preferably, an elastic pressing member is arranged on at least one inner side wall of the placement section, and the elastic pressing member is configured to abut against the measured lens to press the measured lens in the placement section.
Preferably, the elastic pressing member is a spring.
The utility model has the advantages that: the utility model provides an optical lens piece eccentric instrument, which can respectively detect the eccentricity of the upper and lower surfaces of a measured lens piece through the upper optical image acquisition component and the lower optical image acquisition component which are arranged up and down, and the measured lens piece does not need to be repeatedly disassembled and assembled, and the operation process is simple and convenient; the upper optical image acquisition component and the lower optical image acquisition component acquire image information and then send imaging data to the image processing device, and software is used for data processing to give data of the measured lens in real time, so that the detection efficiency and accuracy are improved.
Drawings
Fig. 1 is a schematic structural view of an optical lens decentering instrument provided by the present invention;
fig. 2 is a cross-sectional view of the lens holder provided by the present invention.
In the figure: 1. a multi-dimensional adjusting table; 2. a lens clamp; 21. a mounting seat; 211. placing the interval; 212. through holes; 22. an elastic pressing member; 3. an upper optical image acquisition assembly; 4. a lower optical image acquisition assembly; 5. a base; 6. an upper bracket; 7. a lower bracket; 8. a linear guide rail module; 9. a CCD camera; 10. an objective lens; 80. and (5) measuring the lens.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment provides an optical lens piece eccentricity instrument, as shown in fig. 1 and 2, the optical lens piece eccentricity instrument includes a multidimensional adjusting table 1 and a lens clamp 2 arranged on the multidimensional adjusting table 1 and used for mounting a measured lens piece 80, an upper optical image acquisition component 3 and a lower optical image acquisition component 4 are symmetrically arranged on the upper side and the lower side of the lens clamp 2, the axes of the upper optical image acquisition component 3, the lower optical image acquisition component 4 and the lens clamp 2 are located on the same straight line, and both the upper optical image acquisition component 3 and the lower optical image acquisition component 4 can move in the direction towards or away from the lens clamp 2; the optical lens eccentricity gauge further comprises an image processing device, and the upper optical image acquisition assembly 3 and the lower optical image acquisition assembly 4 are electrically connected with the image processing device.
The optical lens piece eccentricity gauge provided by the embodiment can detect the eccentricity of the upper surface and the lower surface of the measured lens piece 80 respectively through the upper optical image acquisition component 3 and the lower optical image acquisition component 4 which are arranged up and down, the measured lens piece 80 does not need to be repeatedly disassembled and assembled, and the operation process is simple and convenient; the upper optical image acquisition component 3 and the lower optical image acquisition component 4 acquire image information and then send imaging data to an image processing device, and data processing is carried out by software, so that data of the measured lens 80 is given in real time, and the detection efficiency and accuracy are improved.
The optical lens piece eccentricity gauge comprises a base 5, a multidimensional adjusting platform 1 is arranged on the base 5, an upper support 6 and a lower support 7 are vertically arranged on the base 5, an upper optical image acquisition assembly 3 is connected to the upper support 6 in a liftable mode, and a lower optical image acquisition assembly 4 is connected to the lower support 7 in a liftable mode. The upper optical image acquisition assembly 3 and the lower optical image acquisition assembly 4 can be lifted, so that the distance between the upper optical image acquisition assembly and the tested lens 80 can be conveniently adjusted, and the focusing during testing is facilitated.
The base 5 is provided with a through hole, and the central axis of the through hole is aligned with the central axis of the lower optical image acquisition assembly 4. The through hole is used for avoiding when the lower optical image acquisition component 4 detects the lower surface of the measured lens 80.
The upper bracket 6 and the lower bracket 7 are vertically provided with linear guide rail modules 8, and the upper optical image acquisition assembly 3 and the lower optical image acquisition assembly 4 are connected to the output ends of the corresponding linear guide rail modules 8. And the driving end of the linear guide rail is provided with an adjusting hand wheel. The upper optical image acquisition assembly 3 and the lower optical image acquisition assembly 4 are driven to move up and down by manually rotating the adjusting handwheel, so that the testing processes such as focusing and the like are facilitated.
The upper optical image acquisition assembly 3 and the lower optical image acquisition assembly 4 both comprise a CCD camera 9 and an objective lens 10 connected to one side of the CCD camera 9 close to the lens clamp 2, and the CCD camera 9 is electrically connected with an image processing device.
The optical lens eccentricity gauge further comprises a display screen, and the image processing device is electrically connected with the display screen. The display screen is used for displaying pictures collected by the upper optical image collecting assembly 3 and the lower optical image collecting assembly 4, test data generated by the image processing device and the like.
Lens anchor clamps 2 include mount pad 21, and mount pad 21 sets up on multidimensional adjustment table 1, and the top of mount pad 21 is offered and is used for holding the interval 211 of placing of lens, and the bottom surface of placing interval 211 has seted up thru hole 212, and the central axis of thru hole 212 aligns with the central axis of optical image acquisition subassembly 4 down. In order to ensure that the measured lens 80 can be stably installed in the mounting seat 21, an elastic pressing member 22 is disposed on at least one inner sidewall of the placement section 211, and the elastic pressing member 22 is configured to abut against the measured lens 80 to press the measured lens 80 in the placement section 211. The elastic pressing member 22 may be a spring.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An optical lens piece eccentric instrument is characterized by comprising a multi-dimensional adjusting table (1) and a lens clamp (2) which is arranged on the multi-dimensional adjusting table (1) and used for mounting a measured lens piece (80), wherein an upper optical image acquisition component (3) and a lower optical image acquisition component (4) are symmetrically arranged on the upper side and the lower side of the lens clamp (2), the axes of the upper optical image acquisition component (3), the lower optical image acquisition component (4) and the lens clamp (2) are positioned on the same straight line, and the upper optical image acquisition component (3) and the lower optical image acquisition component (4) can move along the direction towards or away from the lens clamp (2); the optical lens piece eccentricity gauge further comprises an image processing device, and the upper optical image acquisition assembly (3) and the lower optical image acquisition assembly (4) are electrically connected with the image processing device.
2. The optical lens eccentricity gauge according to claim 1, comprising a base (5), wherein the multidimensional adjustment table (1) is disposed on the base (5), an upper bracket (6) and a lower bracket (7) are vertically disposed on the base (5), the upper optical image acquisition assembly (3) is liftably connected to the upper bracket (6), and the lower optical image acquisition assembly (4) is liftably connected to the lower bracket (7).
3. Optical lens eccentricity gauge according to claim 2, characterized in that the base (5) is provided with a through hole, the central axis of which is aligned with the central axis of the lower optical image acquisition assembly (4).
4. The optical lens piece eccentricity gauge according to claim 3, wherein the upper support (6) and the lower support (7) are vertically provided with linear guide modules (8), and the upper optical image acquisition assembly (3) and the lower optical image acquisition assembly (4) are connected to the output ends of the corresponding linear guide modules (8).
5. The optical lens eccentricity gauge of claim 4, wherein the driving end of the linear guide is provided with an adjusting handwheel.
6. The optical lens eccentricity gauge according to claim 1, characterized in that the upper optical image acquisition assembly (3) and the lower optical image acquisition assembly (4) each comprise a CCD camera (9) and an objective lens (10) connected to the side of the CCD camera (9) close to the lens holder (2), the CCD camera (9) being electrically connected to the image processing device.
7. The optical lens decentralizing instrument of claim 1 further comprising a display screen, wherein the image processing device is electrically connected to the display screen.
8. The optical lens eccentricity gauge according to claim 1, wherein the lens holder (2) comprises a mounting base (21), the mounting base (21) is disposed on the multidimensional adjustment stage (1), a placement section (211) for accommodating the measured lens (80) is disposed at a top of the mounting base (21), a through hole (212) is disposed at a bottom surface of the placement section (211), and a central axis of the through hole (212) is aligned with a central axis of the lower optical image capturing assembly (4).
9. The optical lens piece eccentricity gauge according to claim 8, wherein an elastic pressing member (22) is disposed on at least one inner sidewall of the placement section (211), and the elastic pressing member (22) is configured to abut against the measured lens piece (80) to press the measured lens piece (80) within the placement section (211).
10. Optical lens deflectometer according to claim 9, characterized in that the elastic pressing member (22) is a spring.
CN201921577742.5U 2019-09-23 2019-09-23 Optical lens piece eccentric instrument Active CN210533303U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921577742.5U CN210533303U (en) 2019-09-23 2019-09-23 Optical lens piece eccentric instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921577742.5U CN210533303U (en) 2019-09-23 2019-09-23 Optical lens piece eccentric instrument

Publications (1)

Publication Number Publication Date
CN210533303U true CN210533303U (en) 2020-05-15

Family

ID=70606125

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921577742.5U Active CN210533303U (en) 2019-09-23 2019-09-23 Optical lens piece eccentric instrument

Country Status (1)

Country Link
CN (1) CN210533303U (en)

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