Centering instrument for manufacturing infrared optical infrared lens

By introducing components such as an electric lifting rod into the infrared lens centering device to adjust the laser emitter, the problem of fixed laser emitter position is solved, improving the accuracy of lens measurement and the imaging quality of the optical system.

CN223663940UActive Publication Date: 2025-12-12YUNNAN TIANHELI PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202520016502.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-12-12
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

The fixed position of the laser emitter in existing infrared lens centering instruments leads to reduced accuracy and reliability in lens measurement.

Method used

An infrared optical lens centering device was designed. Through the combination of an electric lifting rod, a controller, a fixed frame, a threaded rod, a threaded block, a moving frame, a lead screw, and a moving block, the horizontal position and height of the laser emitter can be adjusted. The centering accuracy of the lens is improved by the cooperation of a support frame, a sliding groove, a sliding bar, and an arc-shaped clamping frame.

Benefits of technology

This improves the accuracy and reliability of lens measurements, ensures the accuracy of lens centering results, and enhances the imaging quality and performance of the optical system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a centering instrument for manufacturing an infrared optical infrared lens, which comprises a base, the top of the base is symmetrically and fixedly connected with electric lifting rods, the tops of the electric lifting rods are fixedly connected with a controller, the bottom of the controller is fixedly connected with a fixed frame, the inside of the fixed frame is rotatably connected with a threaded rod, and the threaded rod is fixedly connected with the controller. And the other end of the threaded rod penetrates through the fixed frame and is driven by a first servo motor. Through cooperation of the base, the electric lifting rod, the controller, the fixed frame, the threaded rod, the threaded block, the movable frame, the lead screw and the movable block, the horizontal position and the height of the laser transmitter can be adjusted according to actual requirements, and then the accuracy and the reliability of lens measurement can be improved; and through cooperation of a supporting frame, a sliding groove, a sliding strip and an arc-shaped clamping frame, the lens can be clamped and positioned, and the centering result of the lens can be accurate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to infrared lens manufacturing technical field, concretely is a kind of centering instrument for infrared optical infrared lens manufacturing. BACKGROUND

[0002] Infrared telescope is a kind of equipment using the infrared light emitted or reflected by the scene to image and display the scene, infrared telescope can not only be used in daytime, but also can obtain clear image through the infrared light emitted by the scene in pitch-black night, and infrared telescope often needs to use infrared optical infrared lens, wherein the infrared lens is often composed of multiple lenses, and the centers of multiple lenses need to be aligned, i.e. the optical axes of multiple lenses are coaxial, so when assembling multiple lenses into a lens, centering instrument needs to be used to align the centers of multiple lenses.

[0003] After searching, the patent with patent application number 202222957308.8 discloses a centering instrument for continuous zoom infrared lens manufacturing, which comprises a box body, a laser emitter and a base and a lens clamping mechanism installed in the box body; the top of the box body is provided with a box cover that can be opened and closed, the box cover is provided with a laser emitter, and the box cover is provided with an opening for the laser to pass through; the base is installed on the inner bottom surface of the box body, and the top of the base is used to place a concave mirror, and the optical axis of the concave mirror coincides with the laser beam, the lens clamping mechanism is installed on the inner side surface of the box body, and the clamping mechanism can clamp the centering lens and adjust the spatial position of the centering lens, which can accurately center the lens and prevent the lens from being damaged.

[0004] Although the above-mentioned patent can accurately center the lens and prevent the lens from being damaged, but in actual use, the position of the laser emitter in the patent is fixed and cannot be adjusted in horizontal position and height, which reduces the accuracy and reliability of lens measurement to some extent.

[0005] Therefore, the centering instrument in the above-mentioned patent needs to be improved to effectively prevent the position of the laser emitter from being fixed and unable to be adjusted in horizontal position and height, thereby reducing the accuracy and reliability of lens measurement to some extent. UTILITY MODEL CONTENTS

[0006] To solve the problems raised in the above background art, the purpose of the utility model is to provide a centering instrument for infrared optical infrared lens manufacturing, which has the advantages of being able to adjust the horizontal position and height of the laser emitter according to actual needs, thereby improving the accuracy and reliability of lens measurement, and solving the problem that the position of the laser emitter is fixed and cannot be adjusted in horizontal position and height, thereby reducing the accuracy and reliability of lens measurement to some extent.

[0007] In order to achieve the above object, the utility model provides following technical scheme: A centering instrument for infrared optical infrared lens is made, including base, the top of base is fixedly connected with electric lifting rod, the top of electric lifting rod is fixedly connected with controller, the bottom of controller is fixedly connected with fixed frame, the inside rotationally connected of fixed frame has screw rod, and the other end of screw rod is driven through first servo motor and passes through fixed frame, the surface of screw rod is connected with threaded block, the bottom of threaded block is fixedly connected with moving frame, the inner wall rotationally connected of moving frame has lead screw, and the one end of lead screw is driven through second servo motor and passes through moving frame, the surface of lead screw is connected with moving block, and moving block is connected with moving frame slidingly, the bottom of moving block is fixedly connected with laser centering device, the top of base is fixedly connected with support frame, the top of support frame is equipped with three grooves, and three grooves are evenly arranged in annular, the inner wall slidingly connected of groove has slide, the surface of slide is fixedly connected with arc clamping frame.

[0008] As the utility model is preferred, the bottom of the controller is fixedly connected with the slide column about the fixed frame, the surface of the slide column is slidingly connected with the slide block, and the bottom of the slide block is fixedly connected with the moving frame.

[0009] As the utility model is preferred, the number of the arc clamping frame is multiple, and the multiple arc clamping frames are vertically and evenly arranged, and the inner wall of the arc clamping frame is fixedly connected with the damping pad.

[0010] As the utility model is preferred, the top of the slide is provided with the fastening groove, the top of the fastening groove is threadedly connected with the brake column, and the brake column is used in cooperation with the groove.

[0011] As the utility model is preferred, the output end of the electric lifting rod is fixedly connected with the telescopic protective sleeve, and the top of the telescopic protective sleeve is fixedly connected with the controller.

[0012] As the utility model is preferred, the four corners of the base are fixedly connected with the threaded column, and the surface of the threaded column is threadedly connected with the brake block.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、The utility model discloses a base, electric lifting rod, controller, fixed frame, screw rod, threaded block, moving frame, lead screw and moving block cooperate, can adjust the horizontal position and height of laser emitter according to actual demand, can then promote the measurement accuracy and reliability of lens, and through the cooperation of support frame, groove, slide and arc clamping frame, can clamping positioning is carried out to lens, can make the centering result of lens accurate.

[0015] 2, the utility model discloses the setting of slide post and sliding block can assist supporting moving frame, and can improve the stability when moving frame displacement, avoid its deviation in the process of moving. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic drawing of the utility model;

[0017] Figure 2 It is the bottom view three-dimensional schematic diagram of the structure of the utility model;

[0018] Figure 3 It is the schematic diagram of slide bar of the utility model;

[0019] Figure 4 It is the top view three-dimensional schematic diagram of the fixed frame and moving frame of the utility model cooperation.

[0020] In the drawing: 1, base, 2, electric lifting rod, 3, controller, 4, fixed frame, 5, threaded rod, 6, threaded block, 7, moving frame, 8, screw rod, 9, moving block, 10, laser centering device, 11, support frame, 12, slide groove, 13, slide bar, 14, arc clamping frame, 15, slide post, 16, sliding block, 17, brake column, 18, telescopic protective sleeve, 19, threaded column, 20, brake block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0022] As Figures 1 to 4The utility model provides a centering appearance for infrared optical infrared lens, including base 1, the top symmetry fixedly connected with electric lifting rod 2 of base 1, the top fixedly connected with controller 3 of electric lifting rod 2, the bottom fixedly connected with fixed frame 4 of controller 3, the inside rotationally connected with threaded rod 5 of fixed frame 4, and another end of threaded rod 5 penetrates fixed frame 4 and passes through first servo motor drive, the surface screw thread connection of threaded rod 5 has screw block 6, the bottom fixedly connected with moving frame 7 of screw block 6, the inner wall rotationally connected with lead screw 8 of moving frame 7, and the one end of lead screw 8 penetrates moving frame 7 and passes through second servo motor drive, the surface screw thread connection of lead screw 8 has moving block 9, and moving block 9 and moving frame 7 slidingly connected, the bottom fixedly connected with laser centering device 10 of moving block 9, the top fixedly connected with support frame 11 of base 1, the top of support frame 11 is provided with laser calibration receiving block (not shown), and laser calibration receiving block is the standard piece for lens centering, the top of support frame 11 is provided with three slide grooves 12, and three slide grooves 12 are evenly arranged in annular, the inner wall slidingly connected with slide bar 13 of slide groove 12, the surface fixedly connected with arc clamping frame 14 of slide bar 13.

[0023] Reference Figure 2 And Figure 4 The bottom of controller 3 is symmetrically fixedly connected with slide post 15 about fixed frame 4, the surface of slide post 15 is slidingly connected with sliding block 16, and the bottom of sliding block 16 is fixedly connected with moving frame 7.

[0024] As a technical optimization scheme of the utility model, through the setting of slide post 15 and sliding block 16, moving frame 7 can be assisted and supported, and the stability of moving frame 7 during displacement can be improved, so that deviation during movement is avoided.

[0025] Reference Figure 1 And Figure 3 The number of arc clamping frames 14 is multiple, and the multiple arc clamping frames 14 are vertically and uniformly arranged, and the inner wall of arc clamping frame 14 is fixedly connected with damping pad.

[0026] As a technical optimization scheme of the utility model, through the setting of multiple arc clamping frames 14, multiple lenses can be synchronously centered, so that the practicability of the device can be improved, and then the edges of the lenses can be protected by using damping pad.

[0027] Reference Figure 1 And Figure 3 The top of slide bar 13 is provided with fastening groove, the top of fastening groove is screw-connected with brake column 17, and brake column 17 is used in cooperation with slide groove 12.

[0028] As a technical optimization scheme of the utility model, through the setting of fastening groove and brake column 17, the position of slide bar 13 can be positioned, thereby avoiding the slide of slide bar 13 during lens detection.

[0029] Reference Figure 1 And Figure 2 The output end of the electric lifting rod 2 is fixedly connected with a telescopic protective sleeve 18, and the top of the telescopic protective sleeve 18 is fixedly connected with the controller 3.

[0030] As a technical optimization scheme of the utility model, through the setting of telescopic protective sleeve 18, the telescopic protective sleeve 18 can be stretched or contracted following the lifting of the electric lifting rod 2, thereby being able to protect it.

[0031] Reference Figure 2 The four corners of the base 1 are fixedly connected with threaded columns 19, and the surface of the threaded columns 19 is threadedly connected with brake blocks 20.

[0032] As a technical optimization scheme of the utility model, through the setting of threaded columns 19 and brake blocks 20, the brake block 20 can be rotated according to the use requirement, and the support frame 11 can be kept parallel to the horizontal plane.

[0033] The working principle and use process of the utility model: when using the centering instrument to detect the infrared optical infrared lens manufacturing, first place the device to the designated position, at this time can adjust the height of support frame 11 through rotating brake block 20, make it parallel to the horizontal plane, then connect the device with external power supply, next start laser centering device 10 through controller 3 to make its laser beam coincide with laser calibration receiving block, at this time can rotate screw rod 5 through first servo motor, then can make screw block 6 move, then can drive laser centering device 10 to translate horizontally, then start second servo motor to drive screw rod 8 to rotate, then can drive moving block 9 to translate vertically, thereby can make laser centering device 10 translate vertically, thereby can adjust the cross level of laser centering device 10, thereby can improve its lens centering result accuracy, then close laser centering device 10, next place the multiple detected lenses into the multiple arc-shaped clamping frames 14 in turn, make them be clamped in the arc-shaped clamping frames 14 on the uniform horizontal plane of different heights, can make them move to the appropriate position according to the diameter of the detected lens, then make the other end of rotating brake column 17 abut against sliding groove 12, thereby can position the position of sliding bar 13, then can clamp and position the multiple detected lenses, then start laser centering device 10, make the laser still coincide with laser calibration receiving block after passing through the multiple detected lenses, thereby can realize the lens centering result accuracy, then can start electric lifting rod 2 to drive laser centering device 10 height adjustment, thereby can improve the lens measurement accuracy and reliability, the patent uses centering measurement system to test the position of each lens in the lens, and carries out two-dimensional translation and inclination adjustment, finally makes the overall optical axis coaxiality of the lens reach the highest, in this process, height adjustment is an indispensable link, because it directly affects the accuracy and performance of the optical system, through height adjustment, the influence of support on the lens surface can be eliminated, the surface (such as convex surface, aspherical surface, etc.) that cannot be detected is accurately adjusted, thereby the imaging quality and performance of the optical system are improved.

[0034] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A centering machine for the manufacture of infrared optical infrared lenses comprising a base (1), characterized in that: The top of the base (1) is symmetrically connected with an electric lifting rod (2), the top of the electric lifting rod (2) is fixedly connected with a controller (3), the bottom of the controller (3) is fixedly connected with a fixed frame (4), the inside of the fixed frame (4) is rotatably connected with a threaded rod (5), the other end of the threaded rod (5) penetrates through the fixed frame (4) and is driven by a first servo motor, the surface of the threaded rod (5) is threadedly connected with a threaded block (6), the bottom of the threaded block (6) is fixedly connected with a moving frame (7), the inner wall of the moving frame (7) is rotatably connected with a lead screw (8), one end of the lead screw (8) penetrates through the moving frame (7) and is driven by a second servo motor, the surface of the lead screw (8) is threadedly connected with a moving block (9), and the moving block (9) is slidably connected with the moving frame (7), the bottom of the moving block (9) is fixedly connected with a laser centering device (10), the top of the base (1) is fixedly connected with a support frame (11), the top of the support frame (11) is provided with three sliding grooves (12), and the three sliding grooves (12) are uniformly arranged in a ring shape, the inner wall of the sliding groove (12) is slidably connected with a sliding bar (13), and the surface of the sliding bar (13) is fixedly connected with an arc-shaped clamping frame (14).

2. The centering instrument for making an infrared optical infrared lens according to claim 1, characterized in that: The bottom of the controller (3) is symmetrically fixedly connected with a slide column (15) about the fixed frame (4), the surface of the slide column (15) is slidably connected with a sliding block (16), and the bottom of the sliding block (16) is fixedly connected with the moving frame (7).

3. The centering instrument for making an infrared optical infrared lens according to claim 1, characterized in that: The number of the arc-shaped clamping frames (14) is multiple, and the multiple arc-shaped clamping frames (14) are vertically and uniformly arranged, and the inner wall of the arc-shaped clamping frame (14) is fixedly connected with a damping pad.

4. The centering instrument for making an infrared optical infrared lens according to claim 1, characterized in that: The top of the sliding bar (13) is provided with a fastening groove, the top of the fastening groove is threadedly connected with a brake column (17), and the brake column (17) is used in cooperation with the sliding groove (12).

5. The centering instrument for making an infrared optical infrared lens according to claim 1, wherein: The output end of the electric lifting rod (2) is fixedly connected with a telescopic protective sleeve (18), and the top of the telescopic protective sleeve (18) is fixedly connected with the controller (3).

6. The centering instrument for making an infrared optical infrared lens according to claim 1, characterized in that: The four corners of the base (1) are fixedly connected with threaded columns (19), and the surface of the threaded column (19) is threadedly connected with a brake block (20).

Citation Information

Patent Citations

  • Centering instrument for manufacturing continuous zooming infrared lens

    CN218567707U