Multi-element imaging lens contour detection and correction device

Abstract

The utility model relates to the technical field of optical manufacturing and lens processing, in particular to a multi-element imaging lens contour detection and correction device which comprises a workbench, first sliding table type air cylinders are symmetrically arranged on the inner side wall of the workbench, and a second sliding table type air cylinder is arranged at the top end of the workbench. The first sliding table type air cylinder and the second sliding table type air cylinder are respectively provided with a multi-element imaging camera, the workbench is provided with an open groove, the open groove is provided with a light source module, the top end of the workbench is provided with a rotating motor, an output shaft of the rotating motor is provided with a supporting plate, the top of the supporting plate is provided with a first limiting ring, and the first limiting ring and the second limiting ring are provided with a plurality of threaded cylinders. By means of the structure of the sliding table type air cylinder, the light source module and the rotating motor, the problems that a light source module of a traditional detection device cannot be adjusted, and the requirements of different lenses for illumination conditions are difficult to meet are solved.

Description

Technical Field

[0001] This utility model relates to the field of optical manufacturing and lens processing technology, specifically a multi-element imaging lens contour detection and correction device. Background Technology

[0002] In the optical manufacturing and lens processing industry, the contour accuracy of lenses is one of the key factors to ensure their optical performance and usability. With the development of technology and the continuous expansion of optical applications, the requirements for the accuracy of lens contours are becoming increasingly stringent. In addition, with the increase and complexity of lens types, different lenses have different requirements for contour accuracy. Traditional detection and calibration methods are often unable to meet these diverse needs, leading to problems such as unstable quality and high scrap rates in the lens production process. To solve these problems, in recent years, some advanced lens contour detection and calibration technologies have been continuously developed and applied. Among them, multi-dimensional imaging technology has attracted much attention due to its advantages such as high precision, high efficiency and non-contact measurement. Multi-dimensional imaging technology can achieve three-dimensional reconstruction and accurate measurement of lens contours by simultaneously acquiring images of multiple angles of the lens. However, existing multi-dimensional imaging lens contour detection and calibration devices still have some shortcomings in structural design and function.

[0003] Traditional detection devices have an unadjustable light source module, making it difficult to meet the lighting requirements of different lenses. The limiting mechanism for different lens diameters is also coarse and inflexible, which limits the detection accuracy and efficiency.

[0004] Therefore, it is particularly important to design a multi-element imaging lens contour detection and correction device to overcome the above-mentioned technical defects and improve the overall practicality. Utility Model Content

[0005] The purpose of this invention is to provide a multi-element imaging lens contour detection and correction device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A multi-element imaging lens contour detection and correction device includes a worktable. A first sliding-table type cylinder is symmetrically arranged on the inner sidewall of the worktable, and a second sliding-table type cylinder is arranged at the top of the worktable. A multi-element imaging camera is respectively mounted on the first and second sliding-table type cylinders. Each multi-element imaging camera has a lens assembly. A slot is provided on the worktable, and a light source module is mounted on the slot. A rotary motor is located at the top of the worktable. A support plate is provided on the output shaft of the rotary motor. A first limiting ring is located at the top of the support plate, and a second limiting ring is located at the top of the first limiting ring. A plurality of threaded cylinders are provided on the first and second limiting rings. A sliding rod is provided inside each threaded cylinder, and a compression pad is provided at one end of each sliding rod. A limiting rod is provided on one side of each threaded cylinder.

[0008] As a preferred embodiment of this utility model, the light source module includes a fill light, a flexible bracket, and a connecting plate. The top of the flexible bracket is provided with an elastic mounting ring, and the fill light is adapted to the elastic mounting ring. The connecting plate is U-shaped and has a screw inside, with a limiting plate at one end of the screw.

[0009] As a preferred embodiment of this utility model, one end of the first limiting ring is provided with a fixed shaft, the fixed shaft is provided with a limiting pin, the other end of the first limiting ring is provided with a limiting groove, and the second limiting ring is adapted to the first limiting ring.

[0010] As a preferred embodiment of this utility model, the threaded cylinders are arranged in three sets at equal intervals, the limiting rods are adapted to the threaded cylinders, and one end of the limiting rods is provided with a limiting pad.

[0011] As a preferred embodiment of this utility model, the workbench is equipped with a controller and a battery. The controller includes a control panel and a data processing module. The control panel has several operation buttons for starting, stopping, and setting parameters of the device. The control panel has a display screen and is connected to the battery via a power cord. The data processing module includes a correction algorithm and is connected to a multi-element imaging camera via a signal line for processing and analyzing the data acquired by the multi-element imaging camera to achieve accurate detection and correction of the lens contour.

[0012] As a preferred embodiment of this utility model, the multi-element imaging camera is equipped with a position sensor and is connected to the data processing module via a signal line.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this utility model, a multi-element imaging lens contour detection and correction device is designed. By utilizing the structure of a sliding cylinder, a light source module, a rotary motor, a limiting ring, a threaded cylinder, a sliding rod, and a limiting rod, the traditional detection device solves the problems that the light source module cannot be adjusted, making it difficult to meet the lighting requirements of different lenses. Furthermore, the limiting of different lens diameters is relatively rough and inflexible, which limits the detection accuracy and efficiency. Attached Figure Description

[0015] Figure 1 This is a structural diagram of the entire utility model;

[0016] Figure 2 This is a schematic diagram of the light source module of this utility model;

[0017] Figure 3 This is a schematic diagram of the limiting ring assembly of this utility model;

[0018] Figure 4 This is a schematic diagram of some components of the present invention.

[0019] In the diagram: 1. Worktable; 101. First sliding cylinder; 102. Second sliding cylinder; 103. Multi-image camera; 104. Lens assembly; 105. Slot; 106. Light source module; 2. Rotary motor; 201. Support plate; 202. First limiting ring; 203. Threaded cylinder; 204. Sliding rod; 205. Second limiting ring; 206. Extrusion pad; 207. Limiting rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are provided. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0022] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] For examples, please refer to Figure 1-3 This utility model provides a technical solution:

[0025] A multi-element imaging lens contour detection and correction device includes a worktable 1. A first sliding-table type cylinder 101 is symmetrically arranged on the inner sidewall of the worktable 1. A second sliding-table type cylinder 102 is arranged on the top of the worktable 1. Multi-element imaging cameras 103 are respectively mounted on the first and second sliding-table type cylinders 101 and 102. Each multi-element imaging camera 103 has a lens assembly 104. A slot 105 is provided on the worktable 1, and a light source module 106 is mounted on the slot 105. A rotary motor 2 is located on the top of the worktable 1, and the output shaft of the rotary motor 2 is supported by a... A support plate 201 has a first limiting ring 202 at its top and a second limiting ring 205 at its top. Several threaded cylinders 203 are mounted on the first and second limiting rings 202 and 205. A sliding rod 204 is located inside each threaded cylinder 203, with a compression pad 206 at one end of each sliding rod 204. A limiting rod 207 is located on one side of each threaded cylinder 203. The lens to be tested is placed on the support plate 201. The threaded cylinders 203 and sliding rods on the first and second limiting rings 202 and 205 are adjusted accordingly. 204. The compression pad 206 is tightly fitted to the edge of the lens to fix the position of the lens. Then, the position of the slide bar 204 is fixed by the limiting rod 207. Next, the connecting plate is installed at the verified location. The angle of the supplementary light in the light source module 106 is adjusted by the flexible bracket to ensure that the lens is evenly illuminated. Then, the operation button on the controller is activated. The first slide cylinder 101 and the second slide cylinder 102 will drive the multi-stage imaging camera 103 to move to the preset shooting position. At the same time, the rotary motor 2 starts to work, so that the lens rotates slowly so that the multi-stage imaging camera 103 can shoot the lens outline from multiple angles. During the shooting process, the position sensor will record the position information of the camera in real time and transmit the data to the data processing module. After receiving the data captured by the camera, the data processing module will immediately process and analyze it, compare it with the preset lens outline data, and thus accurately detect the lens outline data and the content that needs to be corrected. Finally, according to the analysis results of the data processing module, the operator can perform corresponding correction operations on the lens to ensure that the lens outline meets the preset standard.

[0026] The light source module 106 includes a supplementary light, a flexible bracket, and a connecting plate. The top of the flexible bracket has an elastic mounting ring, which is compatible with the supplementary light. The connecting plate is U-shaped and contains a screw. One end of the screw has a limiting plate, allowing the light source module 106 to be placed anywhere on the workbench 1. The angle of the supplementary light can be adjusted freely using the flexible bracket. One end of the first limiting ring 202 has a fixed shaft with a limiting pin inside. The other end of the first limiting ring 202 has a limiting groove. The second limiting ring 205 is compatible with the first limiting ring 202, facilitating the limiting of both rings and forming a closed unit. Three sets of threaded cylinders 203 are evenly spaced. Limiting rods 207 are compatible with the threaded cylinders 203, and one end of the limiting rod 207 has a limiting pad to facilitate the sliding rod's movement within the fixed mirror. After the lens position is determined, the limit slider position is determined. The worktable 1 is equipped with a controller and a battery. The controller includes a control panel and a data processing module. The control panel has several operation buttons for starting, stopping, and setting parameters of the device. The control panel has a display screen and is connected to the battery via a power cord. The data processing module includes a correction algorithm and is connected to the multi-element imaging camera 103 via a signal line. It is used to process and analyze the data collected by the multi-element imaging camera 103 to achieve accurate detection and correction of the lens contour. The multi-element imaging camera 103 is equipped with a position sensor and is connected to the data processing module via a signal line. By collecting the content captured by the multi-element imaging camera and comparing it with preset data through the data processing module, the required correction content is obtained while detecting the lens contour data.

[0027] The working process of this utility model is as follows: When using this multi-element imaging lens contour detection and correction device, firstly, the lens to be detected is placed on the support plate 201. By adjusting the threaded cylinder 203 and slide rod 204 on the first limiting ring 202 and the second limiting ring 205, the compression pad 206 is made to tightly fit the edge of the lens, thereby fixing the position of the lens. Then, the position of the slide rod 204 is fixed by the limiting rod 207. Next, the connecting plate is installed at the verification location. The angle of the supplementary light in the light source module 106 is adjusted by the flexible bracket to ensure that the lens is evenly illuminated. Then, the operation button on the controller is activated, and the first sliding cylinder 101 and the second sliding cylinder 102 will drive the multi-element imaging lens contour detection and correction device. The multi-image camera 103 moves to the preset shooting position. At the same time, the rotary motor 2 starts working, causing the lens to rotate slowly so that the multi-image camera 103 can capture the lens outline from multiple angles. During the shooting process, the position sensor records the camera's position information in real time and transmits the data to the data processing module. After receiving the data captured by the camera, the data processing module immediately processes and analyzes it, comparing it with the preset lens outline data to accurately detect the lens outline data and the content that needs to be corrected. Finally, based on the analysis results of the data processing module, the operator can perform corresponding correction operations on the lens to ensure that the lens outline meets the preset standards.

[0028] All standard parts used in this application can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. Among them, the multi-image camera, sliding cylinder, fill light, lens group and flexible bracket are existing mature equipment. The control method is through a controller. The control circuit of the controller can be implemented by a person skilled in the art through simple circuit connection. It is common knowledge in the field. Therefore, this application will not explain the control method and circuit connection in detail.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-element imaging lens contour detection and correction device, comprising a worktable (1), characterized in that: The inner sidewall of the worktable (1) is symmetrically provided with a first sliding cylinder (101), and the top of the worktable (1) is provided with a second sliding cylinder (102). The first sliding cylinder (101) and the second sliding cylinder (102) are respectively provided with a multi-element imaging camera (103). Each multi-element imaging camera (103) is provided with a lens group (104). The worktable (1) is provided with a slot (105), and the slot (105) is provided with a light source module (106). The top of the worktable (1) is provided with a rotary motor (2). The output shaft of the rotary motor (2) is provided with a support plate (201). The top of the support plate (201) is provided with a first limiting ring (202). The top of the first limiting ring (202) is provided with a second limiting ring (205). The first limiting ring (202) and the second limiting ring (205) are provided with a plurality of threaded cylinders (203). The inside of the threaded cylinder (203) is provided with a slide rod (204). One end of the slide rod (204) is provided with a compression pad (206). One side of the threaded cylinder (203) is provided with a limiting rod (207).

2. The multi-element imaging lens contour detection and correction device according to claim 1, characterized in that: The light source module (106) includes a fill light, a flexible bracket, and a connecting plate. The top of the flexible bracket is provided with an elastic mounting ring, and the fill light is adapted to the elastic mounting ring. The connecting plate is U-shaped and has a screw inside. One end of the screw is provided with a limiting plate.

3. The multi-element imaging lens contour detection and correction device according to claim 1, characterized in that: One end of the first limiting ring (202) is provided with a fixed shaft, and the fixed shaft is provided with a limiting pin inside. The other end of the first limiting ring (202) is provided with a limiting groove. The second limiting ring (205) is adapted to the first limiting ring (202).

4. The multi-element imaging lens contour detection and correction device according to claim 1, characterized in that: The threaded cylinder (203) is provided in three sets at equal intervals. The limiting rod (207) is adapted to the threaded cylinder (203). One end of the limiting rod (207) is provided with a limiting pad.

5. The multi-element imaging lens contour detection and correction device according to claim 1, characterized in that: The workbench (1) is equipped with a controller and a battery. The controller includes a control panel and a data processing module. The control panel has several operation buttons for starting, stopping, and setting parameters of the device. The control panel has a display screen and is connected to the battery via a power cord. The data processing module includes a correction algorithm and is connected to a multi-element imaging camera (103) via a signal line for processing and analyzing the data collected by the multi-element imaging camera (103) to achieve accurate detection and correction of the lens contour.

6. The multi-element imaging lens contour detection and correction device according to claim 5, characterized in that: The multi-image camera (103) is equipped with a position sensor and is connected to the data processing module via a signal line.

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