CN213985629U

CN213985629U - Optical lens detection device

Info

Publication number: CN213985629U
Application number: CN202023213111.0U
Authority: CN
Inventors: 叶华涛; 罗仕元; 柴俊峰; 林伟强
Original assignee: Dongguan Yutong Optical Technology Co Ltd
Current assignee: Dongguan Yutong Optical Technology Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-17
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to an optical lens detects technical field, specifically discloses an optical lens detection device. The device is used for detecting an optical lens and comprises a rack base, a lifting assembly, a bearing assembly fixedly connected to a lifting table, a displacement measuring table and an imaging assembly, wherein the displacement measuring table and the imaging assembly are arranged on the bearing assembly; the lifting assembly comprises a lifting base fixedly connected to the rack base and a lifting platform movably arranged on the lifting base, and the lifting platform can move in a direction vertical to the rack base; the optical lens can be inserted on the bearing component; the displacement measuring meter comprises a probe for measuring displacement, and the probe is abutted against the lifting base; an imaging assembly is mounted on the chassis base and configured to provide visualization of the optical lens. An operator can adjust the distance between the optical lens and the imaging component by means of the lifting component, and a displacement measuring meter is used for obtaining the distance value; the device has improved the detection efficiency of optical lens multiple parameter, and easy operation and with low costs are convenient for carry out detection in batches.

Description

Optical lens detection device

Technical Field

The utility model relates to an optical lens detects technical field, especially relates to an optical lens detection device.

Background

With the continuous expansion of the field of security industry, the application of the optical lens in life is increasingly wide, and the quality requirement of the lens is also continuously improved. In practical production, it has also become important to detect the actual back focus of an optical lens in order to meet optical design requirements and match customer chips and solutions.

For detecting parameters such as back focus of an optical lens, resolution stray light and the like, advanced high-precision instruments are generally used for measurement. Although professional instruments such as an MTF (Modulation Transfer Function) tester and the like are available in the market to detect relevant parameters of a lens, the instruments generally have the defects of high price, low efficiency, complex operation, large volume, high requirement on use environment and the like, and are difficult to use in mass production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical lens detection device to solve the problem that current optical lens detection device inefficiency and operation are complicated.

To achieve the purpose, the utility model adopts the following technical proposal:

an optical lens detection device is used for detecting an optical lens and comprises a rack base, a lifting assembly, a bearing assembly, a displacement measurement table and an imaging assembly; the lifting assembly comprises a lifting base and a lifting platform, the lifting base is fixedly connected to the rack base, the lifting platform is movably mounted on the lifting base, and the lifting platform can move in a direction perpendicular to the rack base; the bearing component is fixedly connected to the lifting table, and the optical lens can be inserted into the bearing component; the displacement measuring gauge is arranged on the bearing component and comprises a probe for measuring displacement, and the probe is abutted against the lifting base; the imaging assembly is mounted on the chassis base and configured to provide visualization of the optical lens.

The imaging assembly comprises an imaging chip for acquiring images, an imaging circuit board and a display unit for viewing the images, wherein the imaging chip and the display unit are respectively and electrically connected with the imaging circuit board.

Further, the imaging chip is mounted on the imaging circuit board.

Furthermore, the optical lens detection device further comprises a shielding assembly used for shielding the imaging circuit board, wherein the shielding assembly comprises a first baffle, a second baffle and a third baffle which are screwed on the rack base.

Preferably, the optical lens detection device comprises at least one screw, and two ends of the screw are respectively screwed on the imaging circuit board and the rack base.

Further, the screw rods are provided with four.

Preferably, the lifting assembly further comprises a lifting knob mounted on the lifting base, and the lifting table can be lifted/lowered by screwing the lifting knob.

Preferably, the bearing and leaning assembly comprises a bearing and leaning plate and a bearing and leaning seat installed on the bearing and leaning plate, the bearing and leaning plate is further fixedly connected with the displacement measuring meter and the lifting platform respectively, and the optical lens can be inserted into the bearing and leaning seat.

Preferably, the backup seat is screwed on the backup plate.

Preferably, the bearing plate is in threaded connection with the displacement measuring meter and the lifting platform respectively.

The utility model has the advantages that:

an operator can adjust the distance between the optical lens and the imaging assembly by means of the lifting assembly, and the numerical value of the distance is obtained by using the displacement measuring meter, so that the efficiency of detecting various parameters of the optical lens is improved, and the device is convenient for large-batch detection; the device simplifies the structure of the device and reduces the cost of the device while optimizing the operation flow of the device.

Drawings

Fig. 1 is an exploded view of an optical lens detecting device according to an embodiment of the present invention.

In the figure:

100. a frame base; 200. a lifting assembly; 210. a lifting base; 220. a lifting platform; 230. a lifting knob; 300. a bearing component; 310. a backup plate; 320. a bearing seat; 400. a displacement measuring meter; 410. a probe; 500. an imaging assembly; 510. an imaging chip; 520. an imaging circuit board; 610. a first baffle plate; 620. a second baffle; 630. a third baffle plate; 700. a screw.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides an optical lens inspection apparatus, which includes a frame base 100, a lifting assembly 200, a bearing assembly 300, a displacement measuring gauge 400 and an imaging assembly 500; the lifting assembly 200 comprises a lifting base 210 and a lifting platform 220, the lifting base 210 is fixedly connected to the rack base 100, the lifting platform 220 is movably arranged on the lifting base 210, and the lifting platform 220 can move along the direction vertical to the rack base 100; the bearing component 300 is fixedly connected to the lifting platform 220, and the optical lens can be inserted into the bearing component 300; the displacement measuring gauge 400 is installed on the bearing component 300, the displacement measuring gauge 400 comprises a probe 410 for measuring displacement, and the probe 410 is abutted on the lifting base 210; an imaging assembly 500 is mounted on the gantry base 100 and is configured to provide visualization of the optical lens. An operator can adjust the distance between the optical lens and the imaging component 500 by means of the lifting component 200, and the numerical value of the distance is obtained by using the displacement measuring meter 400, so that the efficiency of detecting various parameters of the optical lens is improved, and the device is convenient for large-batch detection; the device simplifies the structure of the device and reduces the cost of the device while optimizing the operation flow of the device. Specifically, the imaging assembly 500 is located below the optical lens insertion position and opposite to the optical lens insertion position; the displacement measuring gauge 400 is provided with a reading screen for displaying the magnitude of the displacement value.

In the present embodiment, the imaging assembly 500 includes an imaging chip 510 for acquiring an image, an imaging wiring board 520, and a display unit for viewing an image, and the imaging chip 510 and the display unit are electrically connected to the imaging wiring board 520, respectively. The imaging circuit board 520 can convert the imaging optical signal into an electrical signal for transmission; by means of the arrangement, an operator can observe and analyze the image of the optical lens intuitively and clearly by means of the imaging assembly 500, the detection procedure of the operator is optimized, and the working efficiency is further improved.

Specifically, the imaging chip 510 is mounted on the imaging wiring board 520. The compact configuration of imaging assembly 500 reduces the risk of damage to imaging chip 510 from accidents.

Preferably, the optical lens detection device further comprises a shielding assembly for shielding the imaging circuit board 520, wherein the shielding assembly comprises a first baffle 610, a second baffle 620 and a third baffle 630 which are screwed on the rack base 100. The arrangement of the shielding component reduces the probability of influence or damage of dust and foreign matters in the external environment on the imaging circuit board 520, and the service life of the device is prolonged.

In this embodiment, the optical lens detection apparatus includes at least one screw 700, and two ends of the screw 700 are respectively screwed to the imaging circuit board 520 and the chassis base 100. The screw 700 is selected for use, so that the imaging circuit board 520 can be conveniently disassembled and assembled by an operator. Specifically, four screws 700 are provided. The four screws 700 can not only uniformly move the imaging circuit board 520, but also move the imaging circuit board 520 in the direction perpendicular to the rack base 100 by rotation, thereby facilitating the adjustment of the position of the imaging circuit board 520 by an operator.

Preferably, the lifting assembly 200 further includes a lifting knob 230 mounted on the lifting base 210, and the lifting table 220 can be lifted/lowered by screwing the lifting knob 230. The lifting knob 230 is arranged to facilitate the adjustment of the position of the lifting platform 220 by an operator, and the detection efficiency of the device is further improved.

In this embodiment, the bearing assembly 300 includes a bearing plate 310 and a bearing seat 320 installed on the bearing plate 310, the bearing plate 310 is further respectively and fixedly connected with the displacement measuring gauge 400 and the lifting platform 220, and the optical lens can be inserted into the bearing seat 320. Due to the split arrangement of the bearing plate 310 and the bearing seat 320, the optical lenses with different sizes can be inserted into the bearing assembly 300 only by replacing the bearing seat 320 by an operator, so that the efficiency of positioning the optical lenses by the device is improved, and the flow of detection operation is further optimized. Specifically, the backup plates 310 are respectively screwed with the displacement meters 400 and the lift table 220. The arrangement facilitates the disassembly and assembly operation of the displacement measuring gauge 400 and the lifting assembly 200 by operators.

Preferably, the rest base 320 is screwed to the rest plate 310. The bearing seat 320 is detachably connected with the bearing plate 310, so that the dismounting operation of the bearing seat 320 on the bearing plate 310 is facilitated, and the occurrence of the accidental situation that the optical lens is displaced in the detection process is avoided. Specifically, a bearing seat hole is formed in the middle of the bearing seat 320, and the optical lens can be inserted into the bearing seat hole.

The embodiment also provides an optical lens detection method, which comprises the following steps:

step one, according to the size of the optical lens, a bearing seat 320 matched with the size of the optical lens is selected.

Step two, the support seat 320 is screwed on the support plate 310, and the optical lens is inserted on the support seat 320.

And step three, starting the imaging assembly 500, and changing the distance between the imaging chip 510 and the optical lens by screwing the lifting knob 230, so that the display unit presents an image for achieving the purpose of detecting the parameters.

And step four, reading the displacement value of the displacement measuring meter 400, and obtaining a detection parameter result through subsequent calculation.

Step five, closing the imaging assembly 500, and detaching the optical lens and the bearing seat 320.

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

1. An optical lens inspection apparatus for inspecting an optical lens, comprising:

a rack mount (100);

the lifting assembly (200) comprises a lifting base (210) and a lifting platform (220), the lifting base (210) is fixedly connected to the rack base (100), the lifting platform (220) is movably arranged on the lifting base (210), and the lifting platform (220) can move along the direction vertical to the rack base (100);

the bearing component (300) is fixedly connected to the lifting table (220), and the optical lens can be inserted into the bearing component (300);

the displacement measuring gauge (400) is installed on the bearing component (300), the displacement measuring gauge (400) comprises a probe (410) for measuring displacement, and the probe (410) is abutted against the lifting base (210);

an imaging assembly (500) mounted on the gantry base (100) configured to provide visualization of the optical lens.

2. The optical lens inspection device according to claim 1, wherein the imaging assembly (500) comprises an imaging chip (510) for acquiring an image, an imaging wiring board (520), and a display unit for viewing an image, the imaging chip (510) and the display unit being electrically connected to the imaging wiring board (520), respectively.

3. The optical lens inspection device of claim 2, wherein the imaging chip (510) is mounted on the imaging wiring board (520).

4. The optical lens detection device according to claim 3, further comprising a shielding component for shielding the imaging circuit board (520), wherein the shielding component comprises a first baffle (610), a second baffle (620) and a third baffle (630) screwed on the chassis base (100).

5. The optical lens detection device according to claim 2, characterized in that the optical lens detection device comprises at least one screw (700), and both ends of the screw (700) are respectively screwed on the imaging circuit board (520) and the chassis base (100).

6. The optical lens detection device according to claim 5, wherein the screw (700) is provided with four.

7. The optical lens detecting apparatus according to claim 1, wherein the lifting assembly (200) further comprises a lifting knob (230) mounted on the lifting base (210), and the lifting table (220) can be lifted/lowered by screwing the lifting knob (230).

8. The optical lens detecting device according to any one of claims 1-7, wherein the bearing assembly (300) includes a bearing plate (310) and a bearing seat (320) installed on the bearing plate (310), the bearing plate (310) is further respectively and fixedly connected with the displacement measuring gauge (400) and the lifting platform (220), and the optical lens can be plugged on the bearing seat (320).

9. The optical lens detection device according to claim 8, wherein the retainer (320) is screwed to the retainer plate (310).

10. The optical lens detecting apparatus according to claim 8, wherein the support plates (310) are respectively screwed with the displacement measuring gauge (400) and the elevating platform (220).