Calibration mechanism for high-precision optical lens grinding

The automatic positioning calibration mechanism utilizes components such as a turntable, horizontal grooves, vertical grooves, a scale, and a servo motor to achieve precise positioning and multi-angle grinding of high-precision optical lenses, solving the problem of low accuracy in manual positioning and improving grinding efficiency.

CN223998046UActive Publication Date: 2026-03-17SICHUAN YANGUANG OPTOELECTRONICS TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

In the existing optical lens grinding process, the low precision of manual positioning leads to poor grinding results.

Method used

The calibration mechanism employs automatic positioning, including components such as a turntable, horizontal groove, vertical groove, scale, slider, and clamping block. The slider and clamping block are driven by a cylinder to move synchronously, achieving precise positioning of the optical lens. The lens angle is adjusted by a servo motor and gear system.

Benefits of technology

It improves the calibration accuracy and grinding efficiency of optical lenses, achieving an accuracy of ±0.01mm, supports multi-angle grinding, and solves the problem of low accuracy in manual positioning.

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Abstract

The utility model discloses a high-precision optical lens grinding calibration mechanism which comprises a driving mechanism, a steering mechanism is arranged on one side of the top end of the driving mechanism, a calibration assembly is arranged at the top end of the steering mechanism, the calibration assembly comprises a rotating disc, a transverse groove and a longitudinal groove are vertically formed in the top end of the rotating disc, and the transverse groove and the longitudinal groove are arranged in the rotating disc. Two first clamping mechanisms are symmetrically, synchronously and oppositely slidably installed in the transverse groove, two second clamping mechanisms are symmetrically, synchronously and oppositely slidably installed in the longitudinal groove, graduated scales are arranged on one side of the top end of the transverse groove and one side of the top end of the longitudinal groove correspondingly, and air cylinders for driving the first clamping mechanisms and the second clamping mechanisms are installed in the transverse groove and the longitudinal groove correspondingly. The automatic positioning device has the advantages of being capable of achieving automatic positioning and high in precision, and the problem that before an existing optical lens is ground, the precision of manual positioning is low, and the grinding effect becomes poor is solved.
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Description

Technical Field

[0001] This utility model relates to the field of optical lens processing technology, specifically a calibration mechanism for high-precision optical lens grinding. Background Technology

[0002] With the widespread application of optical technology in numerous fields, such as photography, medical imaging, aerospace, and high-end telescopes, the market demand for high-precision optical lenses continues to increase. These applications require optical lenses to have higher precision, lower aberrations, and better optical performance to meet their specific functional requirements. For example, in the aerospace field, optical lenses used for remote sensing and navigation require extremely high precision to ensure the accuracy of acquired images and data; in medical imaging, high-precision optical lenses help improve diagnostic accuracy.

[0003] High-precision optical lenses require grinding during production. Before grinding, the lenses need to be fixed. During fixing, the lenses may deviate, requiring positioning. However, existing calibration institutions usually perform positioning manually, which has low accuracy and leads to poor grinding results. Utility Model Content

[0004] The purpose of this invention is to provide a calibration mechanism for high-precision optical lens grinding, which has the advantages of automatic positioning and high accuracy, and solves the problem that the low accuracy of manual positioning before grinding optical lenses leads to poor grinding effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a calibration mechanism for high-precision optical lens grinding, comprising a driving mechanism, a steering mechanism on one side of the top of the driving mechanism, a calibration component on the top of the steering mechanism, the calibration component comprising a turntable, a horizontal groove and a vertical groove vertically formed on the top of the turntable, two clamping mechanisms 1 symmetrically and synchronously sliding in opposite directions in the horizontal groove, two clamping mechanisms 2 symmetrically and synchronously sliding in opposite directions in the vertical groove, a scale is provided on one side of the top of both the horizontal groove and the vertical groove, and a cylinder for driving the clamping mechanisms 1 and 2 is installed in both the horizontal groove and the vertical groove, and a gear 5 is provided at the center of the bottom end of the turntable.

[0006] Preferably, the drive mechanism includes a base, a servo motor is disposed inside the base, the output end of the servo motor is horizontally disposed and connected to a gear, a gear is meshed at the top of the gear, a rotating shaft is horizontally disposed at the center of the gear, and a section of the rotating shaft disposed inside the base is provided with gears three meshing with a steering mechanism at both ends.

[0007] Preferably, the steering mechanism includes a second rotating shaft, both ends of which are rotatably connected to the base, and two half gears are symmetrically arranged inside the second rotating shaft, each meshing with two gears three respectively, and a servo motor two is arranged on one side of the middle part of the second rotating shaft.

[0008] Preferably, the half gear is arranged in a semi-circular shape, the output end of the servo motor is arranged facing upwards, and a gear four is provided that meshes with gear five.

[0009] Preferably, each of the clamping mechanisms includes a slider, which is slidably disposed in the transverse groove, and a clamping block is disposed on the side of the slider facing the center of the turntable.

[0010] Preferably, each of the clamping mechanisms includes a slider, which is slidably disposed in the longitudinal groove, and a triangular clamping block is provided at the top of each slider. A limit block is provided at the top of the side of the clamping block facing the center of the turntable, and the lower end face of the limit block is flush with the upper end face of the clamping block.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model, by setting up a turntable, horizontal groove, vertical groove, scale, slider one, clamping block one, slider two, clamping block two, and limiting block, uses a cylinder to drive two sliders one and two sliders two to move synchronously in opposite directions. The two sliders one and two clamping blocks two abut against the four sides of the optical lens, and the limiting block fits against the upper surface of the optical lens, thus fixing the optical lens and quickly positioning it. This replaces the manual positioning method for calibration, improves the calibration speed and accuracy, increases the grinding efficiency of the optical lens, solves the problem of low accuracy of manual positioning, achieves a calibration accuracy of ±0.01mm, and supports multi-angle grinding.

[0013] 2. This utility model is constructed by setting up a servo motor, gear 1, gear 2, shaft 1, gear 3, shaft 2, and half gears. The servo motor 1 drives gear 1 to rotate, which in turn meshes with gear 2 to drive shaft 1 to rotate. The two gears 3 on shaft 1 mesh with two half gears, which in turn drive shaft 2 to rotate. Gear 4 meshes with gear 5 to drive the turntable to rotate, thereby causing the optical lens to flip. During grinding, the angle of the optical lens can be adjusted, allowing the optical lens to be ground to different thicknesses. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0015] Figure 2 This utility model Figure 1 A front view schematic diagram of the central drive mechanism;

[0016] Figure 3 This utility model Figure 1 A front view schematic diagram of the steering mechanism;

[0017] Figure 4 This utility model Figure 1 A front view of the calibration component;

[0018] Figure 5 This utility model Figure 1 A bottom-view structural diagram of the calibration component;

[0019] Figure 6 This utility model Figure 5 A schematic diagram of the second clamping mechanism.

[0020] The reference numerals and names in the figure are as follows:

[0021] 1. Drive mechanism; 11. Base; 12. Servo motor one; 13. Gear one; 14. Gear two; 15. Rotating shaft one; 16. Gear three; 2. Steering mechanism; 21. Rotating shaft two; 22. Half gear; 23. Servo motor two; 24. Gear four; 3. Calibration assembly; 31. Turntable; 32. Horizontal groove; 33. Vertical groove; 34. Scale; 35. Cylinder; 36. Gear five; 4. Clamping mechanism one; 41. Slider one; 42. Clamping block one; 5. Clamping mechanism two; 51. Slider two; 52. Clamping block two; 53. Limit block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In the description of the embodiments of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the embodiments of this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0024] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0025] Please see Figures 1 to 6 This utility model provides an embodiment of a calibration mechanism for high-precision optical lens grinding, comprising a drive mechanism 1, a steering mechanism 2 disposed on one side of the top of the drive mechanism 1, a calibration component 3 disposed on the top of the steering mechanism 2, the calibration component 3 comprising a turntable 31, the top of the turntable 31 having a horizontal groove 32 and a vertical groove 33 vertically formed thereon, two clamping mechanisms 4 symmetrically and synchronously sliding in opposite directions within the horizontal groove 32, and two clamping mechanisms 5 symmetrically and synchronously sliding in opposite directions within the vertical groove 33, and a scale 34 disposed on one side of the top of both the horizontal groove 32 and the vertical groove 33. Furthermore, cylinders 35 for driving clamping mechanism 1 4 and clamping mechanism 2 5 are installed in both the transverse groove 32 and the longitudinal groove 33. Gear 5 36 is set at the center of the bottom end of the turntable 31. The driving mechanism 1 includes a base 11, in which a servo motor 12 is installed. The output end of the servo motor 12 is horizontally set and connected to gear 13. Gear 2 14 meshes with the top of gear 13. A rotating shaft 15 is horizontally set at the center of gear 2 14. Both ends of the section of rotating shaft 15 placed in the base 11 are equipped with gear 3 16 that mesh with the steering mechanism 2. Figure 1As shown, gear 3 16 meshes with half gear 22. The steering mechanism 2 includes a rotating shaft 21, both ends of which are rotatably connected to the base 11. Two half gears 22 are symmetrically arranged inside the rotating shaft 21, each meshing with one of the two gears 3 16. A servo motor 23 is located on one side of the middle of the rotating shaft 21. The half gears 22 are semi-circular in shape. The output end of the servo motor 23 faces upwards and is equipped with a gear 4 24 that meshes with gear 5 36. Each clamping mechanism 4... Each includes a slider 41, which is slidably disposed in the transverse groove 32. A clamping block 42 is provided on the side of the slider 41 facing the center of the turntable 31. Each clamping mechanism 5 includes a slider 51, which is slidably disposed in the longitudinal groove 33. A triangular clamping block 52 is provided at the top of the slider 51. A limit block 53 is provided at the top of the side of the clamping block 52 facing the center of the turntable 31. The lower end face of the limit block 53 is flush with the upper end face of the clamping block 42.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A calibration mechanism for high-precision optical lens grinding, comprising a driving mechanism (1), characterized in that: The top end of the driving mechanism (1) is provided with a steering mechanism (2), the top end of the steering mechanism (2) is provided with a calibration assembly (3), the calibration assembly (3) comprises a rotating disc (31), the top end of the rotating disc (31) is vertically provided with a horizontal slot (32) and a vertical slot (33), two clamping mechanisms one (4) are symmetrically and synchronously slidably arranged in the horizontal slot (32), two clamping mechanisms two (5) are symmetrically and synchronously slidably arranged in the vertical slot (33), the top end of the horizontal slot (32) and the vertical slot (33) is provided with a scale (34), and the horizontal slot (32) and the vertical slot (33) are provided with a cylinder (35) for driving the clamping mechanism one (4) and the clamping mechanism two (5), and the bottom end of the rotating disc (31) is provided with a gear five (36).

2. The calibration mechanism for high-precision optical lens grinding according to claim 1, characterized in that: The driving mechanism (1) comprises a base (11), the base (11) is provided with a servo motor one (12), the output end of the servo motor one (12) is horizontally provided and connected with a gear one (13), the top end of the gear one (13) is engaged with a gear two (14), the central position of the gear two (14) is horizontally provided with a rotating shaft one (15), and the rotating shaft one (15) is arranged in the base (11) and provided with a gear three (16) engaged with the steering mechanism (2) at both ends.

3. The calibration mechanism for high-precision optical lens grinding according to claim 1, wherein: The steering mechanism (2) comprises a rotating shaft two (21), the rotating shaft two (21) is rotatably connected with the base (11) at both ends, and the rotating shaft two (21) is symmetrically provided with two half gears (22) engaged with two gear threes (16) respectively, and the rotating shaft two (21) is provided with a servo motor two (23) on one side of the middle part.

4. The calibration mechanism for high-precision optical lens grinding according to claim 3, characterized in that: The half gear (22) is arranged in a semicircular shape, the output end of the servo motor two (23) is upwardly arranged and provided with a gear four (24) engaged with the gear five (36).

5. The calibration mechanism for high-precision optical lens grinding according to claim 1, wherein: Each clamping mechanism one (4) comprises a sliding block one (41), the sliding block one (41) is slidably arranged in the horizontal slot (32), and one side of the sliding block one (41) facing the central position of the rotating disc (31) is provided with a clamping block one (42).

6. The calibration mechanism for high-precision optical lens grinding according to claim 5, wherein: Each clamping mechanism two (5) comprises a sliding block two (51), the sliding block two (51) is slidably arranged in the vertical slot (33), and the top end of the sliding block two (51) is provided with a triangular clamping block two (52), one side of the top end of the clamping block two (52) facing the central position of the rotating disc (31) is provided with a limiting block (53), and the lower end surface of the limiting block (53) is flush with the upper end surface of the clamping block one (42).