CN213812819U

CN213812819U - Lens on-line measuring device

Info

Publication number: CN213812819U
Application number: CN202023063154.5U
Authority: CN
Inventors: 李惠萍
Original assignee: Fuzhou Rising Electro Optics Co ltd
Current assignee: Fuzhou Rising Electro Optics Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-07-27
Anticipated expiration: 2030-12-17

Abstract

The utility model belongs to the technical field of the optical measurement precision apparatus technique and specifically relates to a lens on-line measuring device, including interferometer and three-dimensional adjustment frame, turn right from a left side and set up He-Ne laser in proper order at an interval, the condensing lens, the aperture diaphragm, the spectroscope, collimating objective A, collimating objective B, He-Ne laser, the condensing lens, the aperture diaphragm, the spectroscope, collimating objective A, collimating objective B all sets up on same focal plane, the spectroscope bottom is from last down interval in proper order to be provided with diaphragm and monitor controller, the interferometer right side is provided with the standard mirror, three-dimensional adjustment frame sets up on the interferometer right side, be provided with the speculum bearing between three-dimensional adjustment frame and the interferometer, be provided with the speculum on the speculum bearing. The utility model discloses, realized lens on-line measuring's detection demand, design simple structure, convenient operation is swift, improves detection efficiency, is worth promoting.

Description

Lens on-line measuring device

Technical Field

The utility model relates to an optical measurement precision apparatus technical field specifically is a lens on-line measuring device.

Background

Along with the increase of workshop productivity, each item index requirement of product is stricter, and batch detection latency is long, is difficult to satisfy workshop production demand, for adapting to the precision detection demand, for adapting to workshop productivity demand, in order to reach the optical lens measuring device that has the rapid survey, easy operation of getting into the hands, measurement accuracy is higher, lens on-line measuring device becomes the important instrument that precision optical field line was measured.

In order to meet the requirement of lens on-line detection, in order to meet the requirement of workshop production, in order to adapt to quick measurement, the lens on-line measuring device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens on-line measuring device has realized lens on-line measuring's detection demand, and design simple structure, convenient operation is swift, improves detection efficiency, is worth promoting to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lens on-line measuring device, includes interferometer and three-dimensional adjustment frame, the inside He-Ne laser instrument, condensing lens, aperture diaphragm, spectroscope, collimating objective A, collimating objective B of interval setting in proper order from a left side to the right side of interferometer, He-Ne laser instrument, condensing lens, aperture diaphragm, spectroscope, collimating objective A, collimating objective B all set up on same focal plane, spectroscope bottom interval setting in proper order from the top down has diaphragm and monitor controller, the interferometer right side is provided with the standard mirror, three-dimensional adjustment frame sets up in the interferometer right side, be provided with the speculum bearing between three-dimensional adjustment frame and the interferometer, be provided with the speculum on the speculum bearing, the three-dimensional adjustment frame is gone up to slide and is provided with the lens bearing, be provided with measuring lens on the lens bearing.

As a preferred scheme, the monitoring controller comprises an image acquisition module arranged at the top of the monitoring controller, and an image processing chip, a controller chip and a data transmission module which are respectively arranged in the monitoring controller, wherein the image acquisition module is connected with the image processing chip through a line, the image processing chip is connected with the controller chip through a serial port, and the controller chip is connected with the data transmission module through a line.

Preferably, the reflector is arranged between the standard mirror and the light convergence point of the measuring lens.

Preferably, the measuring lens is disposed right above the reflector.

Compared with the prior art, the beneficial effects of the utility model are that: the detection requirement of the lens on-line measurement is met, the design structure is simple, the operation is convenient and fast, the detection efficiency is improved, and the device is worthy of popularization.

Drawings

Fig. 1 is the utility model relates to a lens on-line measuring device overall structure sketch map.

In the figure: 1. a He-Ne laser; 2. a condenser lens; 3. an aperture diaphragm; 4. a beam splitter; 5. A diaphragm; 6. monitoring a controller; 7. a collimating objective lens A; 8. a collimating objective lens B; 9. a standard mirror; 10. a mirror support; 11. a mirror; 12. a three-dimensional adjusting frame; 13. a measurement lens; 14. A lens holder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.

Example (b):

referring to fig. 1, the present embodiment provides a technical solution:

a lens on-line measuring device comprises an interferometer and a three-dimensional adjusting frame 12, wherein a He-Ne laser 1, a condenser 2, an aperture diaphragm 3, a spectroscope 4, a collimating objective A7, a collimating objective B8, the He-Ne laser 1, the condenser 2, the aperture diaphragm 3, the spectroscope 4, a collimating objective A7 and a collimating objective B8 are arranged on the same focal plane in sequence from left to right, a diaphragm 5 and a monitoring controller 6 are arranged at the bottom of the spectroscope 4 in sequence from top to bottom at intervals, a standard mirror 9 is arranged on the right side of the interferometer, the three-dimensional adjusting frame 12 is arranged on the right side of the interferometer, a reflector bearing 10 is arranged between the three-dimensional adjusting frame 12 and the interferometer, a reflector 11 is arranged on the reflector bearing 10, a lens bearing 14 is arranged on the three-dimensional adjusting frame 12 in a sliding manner, a measuring lens 13 is arranged on the lens bearing 14, the monitoring controller 6 comprises an image acquisition module arranged at the top of the monitoring controller 6 and a monitoring controller respectively arranged on the monitoring controller Survey inside image processing chip, controller chip and the data transmission module of controller 6, image acquisition module passes through line connection image processing chip, and image processing chip passes through serial ports connection controller chip, and the controller chip passes through line connection data transmission module, and speculum 11 sets up between the light convergent point of standard mirror 9 and measurement lens 13, and measurement lens 13 sets up directly over speculum 11.

The working principle is as follows: the light emitted by the He-Ne laser 1 is projected on a condenser lens 2, and the condenser lens 2 focuses the light at an aperture diaphragm 3; the aperture diaphragm is positioned on the focal planes of the collimator objective A7 and the collimator objective B8; the light rays are converged to one point through the collimating objective lens A7, the collimating objective lens B8 and the standard mirror 9, the convergent point is a cat-eye point of the interferometer, the reflector is placed above the reflector bearing seat 10 at the angle of 45 degrees, the light rays are basically projected to the center of the reflector in the placing process, and the reflector bearing seat is placed between the cat-eye point of the interferometer and the standard mirror 9. After the placement is finished, the cat eye point of the interferometer is transferred to the position above the reflector, the lens bearing seat 14 is fixed on the three-dimensional adjusting frame 12, the three-dimensional adjusting frame 12 is moved back and forth, left and right, the cat eye point is moved to the center of the lens bearing seat 14, and a lens sample plate to be tested is placed; the center of the surface to be measured of the lens sample plate to be measured is positioned on the cat eye point by adjusting the lens bearing seat 14 up and down; measuring the f-number of the sample plate to be measured;

taking down the sample plate to be measured, placing the surface to be measured of the measuring lens 13 on the lens bearing 14, and measuring the f-number of the lens to be measured;

the diaphragm number of the sample plate to be detected and the diaphragm number of the lens to be detected are detected by the image acquisition module and then transmitted to the image processing chip, the difference value between the lens to be detected and the curvature radius of the sample plate is obtained after the image processing chip performs analysis processing, and then the data transmission module is utilized to transmit the detection data.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An on-line lens measuring device comprises an interferometer and a three-dimensional adjusting frame (12), and is characterized in that: the detector is characterized in that a He-Ne laser (1), a condenser (2), an aperture diaphragm (3), a spectroscope (4), a collimating objective A (7) and a collimating objective B (8) are sequentially arranged in the interferometer from left to right at intervals, the He-Ne laser (1), the condenser (2), the aperture diaphragm (3), the spectroscope (4), the collimating objective A (7) and the collimating objective B (8) are all arranged on the same focal plane, a diaphragm (5) and a monitoring controller (6) are sequentially arranged at the bottom of the spectroscope (4) from top to bottom at intervals, a standard mirror (9) is arranged on the right side of the interferometer, a three-dimensional adjusting frame (12) is arranged on the right side of the interferometer, a reflector bearing (10) is arranged between the three-dimensional adjusting frame (12) and the interferometer, a reflector (11) is arranged on the reflector bearing (10), and a bearing lens (14) is arranged on the three-dimensional adjusting frame (12) in a sliding manner, and a measuring lens (13) is arranged on the lens bearing seat (14).

2. The lens on-line measuring device as claimed in claim 1, wherein: the monitoring controller (6) comprises an image acquisition module arranged at the top of the monitoring controller (6) and an image processing chip, a controller chip and a data transmission module which are arranged inside the monitoring controller (6) respectively, wherein the image acquisition module is connected with the image processing chip through a line, the image processing chip is connected with the controller chip through a serial port, and the controller chip is connected with the data transmission module through a line.

3. The lens on-line measuring device as claimed in claim 1, wherein: the reflector (11) is arranged between the light converging points of the standard mirror (9) and the measuring lens (13).

4. The lens on-line measuring device as claimed in claim 1, wherein: the measuring lens (13) is arranged right above the reflector (11).