Integrated thickness detection device for optical lens

By designing an integrated thickness detection device and using a fixing mechanism and an adjustment mechanism, the problem that the optical lens detection device in the prior art cannot detect peripheral thickness and lens offset is solved, and a higher accuracy and wider application thickness detection effect is achieved .

CN222528507UActive Publication Date: 2025-02-25CHENGDU ZHICHENG OPTICAL CO LTD
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Patent Information

Application Number
CN202421389878.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-02-25
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The existing optical lens thickness detection device cannot detect the peripheral thickness of the lens, and the lens is easily deviated during the detection process, resulting in inaccurate measurement results.

Method used

An integrated thickness detection device is designed, using a fixing mechanism and an adjustment mechanism. Through structures such as support plate, telescopic rod, spring and fixed block, the fixing of the lens and the adjustment of the measuring head are realized to ensure that the lens does not deviate during the detection process. , and can detect the peripheral thickness of the lens.

Benefits of technology

It effectively avoids the offset of the lens during the detection process, improves the accuracy of measurement, and expands the applicability of the detection device to the peripheral thickness of the lens.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated thickness detection device for an optical lens, which belongs to the technical field of optical lens detection, and comprises a base, the top of the base is connected with two telescopic rods, the other ends of the two telescopic rods are connected with the same support plate, and the top of the support plate is provided with a stroke groove; according to the device, the fixing mechanism is arranged, a supporting plate moves downwards to drive a fixing block to move downwards, so that a first threaded rod and a gear are driven to move downwards, the gear is meshed with a rack, then the gear is driven to rotate, the gear rotates to drive the first threaded rod to rotate, and the first threaded rod rotates to drive a threaded ring and a sliding block to move; according to the device, the moving rod and the clamping block are driven to move, so that the clamping block can clamp the lens and further fix the lens, the situation that the measurement result is inaccurate due to the fact that the lens deviates in the detection process is avoided, and the measurement accuracy of the device is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of optical lens detection, and in particular relates to an integrated thickness detection device for optical lenses. Background Art

[0002] An optical lens is a plastic or glass container made of multiple aspheric concentrators with different reflectivities. It generally has multiple layers, each with a specific reflectivity. It can refract and reflect external electromagnetic waves to achieve object imaging. During the optical lens processing process, the thickness of the optical lens needs to be tested to ensure that the quality of the optical lens meets the standards.

[0003] The existing optical lens thickness detection device can only detect the thickness at the center of the lens, but cannot detect the peripheral thickness of the optical lens, which makes the device less applicable. In addition, the existing optical lens thickness detection device does not have a device to fix the lens on the detection table, so the lens may shift during the detection process, resulting in inaccurate detection results, thereby affecting the production quality of the lens. Utility Model Content

[0004] The purpose of the utility model is to propose an integrated thickness detection device for optical lenses in order to solve the problems that the optical lenses may be offset and the peripheral thickness of the optical lenses cannot be detected during the detection process of the detection device in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An integrated thickness detection device for optical lenses, comprising a base, two telescopic rods connected to the top of the base, and the other ends of the two telescopic rods are connected to the same support plate, a travel groove is provided on the top of the support plate, a first spring is provided on the outer sleeve of the telescopic rod, two ends of the first spring are respectively connected to the bottom of the support plate and the top of the base, and two fixing mechanisms are provided on the top of the support plate;

[0007] The fixing mechanism includes a fixing block, the bottom of the fixing block is connected to the top of the supporting plate, a through groove is provided on one side of the fixing block, a sliding groove is provided on one side of the through groove, a threaded ring is slidably connected to the inner wall of the sliding groove, two sliding blocks are connected to the outer wall of the threaded ring, a second moving groove is provided on one side of the sliding block, a moving rod is slidably connected to the inner wall of the second moving groove, and the other ends of the two moving rods are connected to the same clamping block, and the bottom of the clamping block is in contact with the top of the supporting plate.

[0008] As a further description of the above technical solution:

[0009] The outer walls of the two moving rods are connected to a fixing ring, the outer wall of the moving rod is sleeved with a second spring, the two ends of the second spring are respectively connected to one side of the fixing ring and one side of the sliding block, and the inner walls of the two threaded rings are threadedly connected to a first threaded rod, one end of the first threaded rod is rotatably connected to the inner wall of the sliding groove, and the other end of the first threaded rod extends outside the through groove and is connected to a gear, the outer wall of the first threaded rod is fitted with the inner wall of the through groove, a rack is meshed on one side of the gear, a support column is connected to one side of the rack, and the bottom of the support column is connected to the top of the base.

[0010] As a further description of the above technical solution:

[0011] A first sliding groove is provided on both sides of the two sliding grooves, the inner wall of the first sliding groove is slidably connected to the outer wall of the sliding block, and a first moving groove is provided on one side of the first sliding groove, and the inner wall of the first moving groove is slidably connected to the outer wall of the moving rod.

[0012] As a further description of the above technical solution:

[0013] An adjustment mechanism is provided on one side of the base, and the adjustment mechanism includes a first motor and a second slide groove. The second slide groove is opened on the top of the base, one side of the first motor is connected to one side of the base, and the inner wall of the second slide groove is rotatably connected to a second threaded rod. The output shaft of the first motor extends into the second slide groove and is connected to one end of the second threaded rod.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the second threaded rod is threadedly connected to a threaded block, the outer wall of the threaded block is slidably connected to the inner wall of the second sliding groove, the top of the threaded block is connected to a ruler, the outer wall of the ruler is connected to a fixed sleeve, the outer wall of the ruler is slidably connected to a sliding sleeve, one side of the fixed sleeve is connected to a fixed plate, and one side of the sliding sleeve is connected to a threaded plate.

[0016] As a further description of the above technical solution:

[0017] A third threaded rod is threadedly connected to the inner wall of the threaded plate, one end of the third threaded rod is rotatably connected to the top of the fixed plate, a second motor is connected to the bottom of the fixed plate, an output shaft of the second motor passes through the bottom of the fixed plate and is connected to one end of the third threaded rod, a first measuring head is connected to the top of the fixed plate, and a second measuring head is connected to the bottom of the threaded plate.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0019] 1. In the utility model, a fixing mechanism is provided, and the support plate moves downward to drive the fixing block to move downward, thereby driving the first threaded rod and the gear to move downward, so that the gear is meshed with the rack, thereby driving the gear to rotate, and the rotation of the gear drives the first threaded rod to rotate, and the rotation of the first threaded rod drives the threaded ring and the slider to move, thereby driving the moving rod and the clamping block to move, so that the clamping block can clamp the lens, and then fix the lens, avoiding the deviation of the lens during the detection process and making the measurement result inaccurate, and improving the measurement accuracy of the device.

[0020] 2. In the utility model, an adjustment mechanism is provided, and the second threaded rod is driven to rotate by the rotation of the output shaft of the first motor, thereby driving the threaded block and the ruler to move. The movement of the ruler drives the fixed sleeve and the sliding sleeve to move, thereby driving the fixed plate and the threaded plate to move, and then driving the first measuring head and the second measuring head to move, so that the positions of the first measuring head and the second measuring head can be changed, so that the thickness of the outer part of the lens can be detected, thereby improving the applicability of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the fixed block of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the fixed block of the utility model;

[0024] Figure 4 This is a schematic diagram of the second chute structure of the utility model;

[0025] Legend: 1. Base; 2. Telescopic rod; 3. First spring; 4. Fixing mechanism; 401. Gear; 402. Support column; 403. Rack; 404. First threaded rod; 405. Fixing block; 406. Clamping block; 407. Moving rod; 408. Through slot; 409. First sliding slot; 410. First moving slot; 411. Sliding slot; 412. Sliding block; 413. Threaded ring; 414. Second moving slot; 41 5. Fixed ring; 416. Second spring; 5. Adjusting mechanism; 501. First motor; 502. Second slide groove; 503. Second threaded rod; 504. Fixed sleeve; 505. Threaded block; 506. Fixed plate; 507. First measuring head; 508. Second measuring head; 509. Third threaded rod; 510. Threaded plate; 511. Measuring ruler; 512. Sliding sleeve; 513. Second motor; 6. Support plate; 7. Travel groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 The utility model provides a technical solution: an integrated thickness detection device for optical lenses, comprising a base 1, two telescopic rods 2 are connected to the top of the base 1, and the other ends of the two telescopic rods 2 are connected to the same support plate 6, a travel groove 7 is provided on the top of the support plate 6, a first spring 3 is provided on the outer sleeve of the telescopic rod 2, and the two ends of the first spring 3 are respectively connected to the bottom of the support plate 6 and the top of the base 1, and two fixing mechanisms 4 are provided on the top of the support plate 6;

[0028] The fixing mechanism 4 includes a fixing block 405, the bottom of which is connected to the top of the support plate 6, a through groove 408 is provided on one side of the fixing block 405, a sliding groove 411 is provided on one side of the through groove 408, a threaded ring 413 is slidably connected to the inner wall of the sliding groove 411, and two sliders 412 are connected to the outer wall of the threaded ring 413, a second moving groove 414 is provided on one side of the slider 412, a moving rod 407 is slidably connected to the inner wall of the second moving groove 414, and the other ends of the two moving rods 407 are connected to the same clamping block 406, the bottom of the clamping block 406 is fitted with the top of the support plate 6, and the outer walls of the two moving rods 407 are connected to a fixing ring 415, and the outer wall of the moving rod 407 is sleeved with a second spring 416, and the two ends of the second spring 416 are respectively connected to one side of the fixing ring 415 and the sliding The first threaded rod 404 is connected to one side of the block 412, and the inner walls of the two threaded rings 413 are threadedly connected to the first threaded rod 404, one end of the first threaded rod 404 is rotatably connected to the inner wall of the sliding groove 411, and the other end of the first threaded rod 404 extends to the outside of the through groove 408 and is connected to the gear 401, the outer wall of the first threaded rod 404 is fitted with the inner wall of the through groove 408, a rack 403 is meshed on one side of the gear 401, and a support column 402 is connected to one side of the rack 403, the bottom of the support column 402 is connected to the top of the base 1, and first slide grooves 409 are provided on both sides of the two sliding grooves 411, the inner wall of the first slide groove 409 is slidably connected to the outer wall of the slider 412, and a first moving groove 410 is provided on one side of the first slide groove 409, and the inner wall of the first moving groove 410 is slidably connected to the outer wall of the moving rod 407.

[0029] The specific implementation method is as follows: by setting a fixing mechanism 4, the output shaft of the second motor 513 is rotated to drive the threaded plate 510, the sliding sleeve 512 and the second measuring head 508 to move downward, so that the second measuring head 508 contacts the lens and drives the lens and the support plate 6 to move downward together, thereby driving the fixing block 405 to move downward, the downward movement of the fixing block 405 drives the first threaded rod 404 and the gear 401 to move downward, so that the gear 401 is meshed with the rack 403, thereby driving the gear 401 to rotate, the rotation of the gear 401 drives the first threaded rod 404 to rotate, the rotation of the first threaded rod 404 drives the threaded ring 413 and the slider 412 to move, the movement of the slider 412 drives the second spring 416 and the fixing ring 415 to move, and the movement of the fixing ring 415 drives the moving rod 4 07 and the clamping block 406 move, so that the clamping block 406 can clamp the lens and then fix the lens, avoiding the deviation of the lens during the detection process and making the measurement result inaccurate, and improving the measurement accuracy of the device, by setting the telescopic rod 2 and the first spring 3, the support plate 6 can be restored to its original position after the measurement is completed, by setting the clamping block 406 to an arc shape, the clamping block 406 can better fit with the edge of the lens, so that the clamping is more stable, by setting the travel groove 7, the support plate 6 will not collide with the first measuring head 507 during the descent process, by setting the second spring 416 and the fixing ring 415, after the clamping block 406 clamps the lens, the support plate 6 can continue to move downward until the bottom of the lens contacts the top of the first measuring head 507.

[0030] An adjustment mechanism 5 is provided on one side of the base 1, and the adjustment mechanism 5 includes a first motor 501 and a second slide groove 502. The second slide groove 502 is opened on the top of the base 1, and one side of the first motor 501 is connected to one side of the base 1. The inner wall of the second slide groove 502 is rotatably connected with a second threaded rod 503. The output shaft of the first motor 501 extends into the second slide groove 502 and is connected to one end of the second threaded rod 503. The outer wall of the second threaded rod 503 is threadedly connected with a thread block 505. The outer wall of the thread block 505 is slidably connected to the inner wall of the second slide groove 502. A ruler 511 is connected to the top of the thread block 505, and the outer wall of the ruler 511 is connected to The fixing sleeve 504 and the outer wall of the measuring ruler 511 are slidably connected to the sliding sleeve 512, one side of the fixing sleeve 504 is connected to the fixing plate 506, one side of the sliding sleeve 512 is connected to the threaded plate 510, the inner wall of the threaded plate 510 is threadedly connected to the third threaded rod 509, one end of the third threaded rod 509 is rotatably connected to the top of the fixing plate 506, the bottom of the fixing plate 506 is connected to the second motor 513, the output shaft of the second motor 513 passes through the bottom of the fixing plate 506 and is connected to one end of the third threaded rod 509, the top of the fixing plate 506 is connected to the first measuring head 507, and the bottom of the threaded plate 510 is connected to the second measuring head 508.

[0031] The implementation method is specifically as follows: by setting the adjustment mechanism 5, the second threaded rod 503 is driven to rotate by the rotation of the output shaft of the first motor 501, the second threaded rod 503 is driven to move by the rotation of the threaded block 505, the threaded block 505 is driven to move the ruler 511, the ruler 511 is driven to move the fixed sleeve 504 and the sliding sleeve 512, thereby driving the fixed plate 506 and the threaded plate 510 to move, and then driving the first measuring head 507 and the second measuring head 508 to move, so that the positions of the first measuring head 507 and the second measuring head 508 can be changed, so that the thickness of the outer part of the lens can be detected, thereby improving the applicability of the detection device, and by setting the ruler 511, when measuring, it is only necessary to first record the distance between the fixed sleeve 504 and the sliding sleeve 512 when the first measuring head 507 and the second measuring head 508 are in contact, and then record the distance between the fixed sleeve 504 and the sliding sleeve 512 after the lens is placed, and the thickness of the lens can be calculated by subtracting the values ​​of the two distances.

[0032] Working principle: When in use, the lens is placed on the support plate 6, and then the output shaft of the second motor 513 is rotated to drive the threaded plate 510, the sliding sleeve 512 and the second measuring head 508 to move downward, so that the second measuring head 508 contacts the lens and drives the lens and the support plate 6 to move downward together, and at the same time the fixed block 405 also moves downward, and the fixed block 405 drives the gear 401 to move downward through the first threaded rod 404, and meshes with the rack 403, thereby driving the first threaded rod 404 to rotate, and then driving the threaded ring 413 and the slider 412 to move, and driving the moving block 401 through the second spring 416 and the fixed ring 415. The movable rod 407 and the clamping block 406 move, so that the lens can be clamped so that the lens can be fixed. When it is necessary to measure the thickness of the outer part of the lens, the second threaded rod 503 is driven to rotate by rotating the output shaft of the first motor 501, thereby driving the threaded block 505 and the ruler 511 to move, and the fixed plate 506 and the threaded plate 510 are driven to move through the fixed sleeve 504 and the sliding sleeve 512, thereby driving the first measuring head 507 and the second measuring head 508 to move, so that the positions of the first measuring head 507 and the second measuring head 508 can be changed, so that the thickness of the outer part of the lens can be measured.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integrated thickness detection device for an optical lens, comprising a base (1), characterized in that: Two telescopic rods (2) are connected to the top of the base (1), and the other ends of the two telescopic rods (2) are connected to the same support plate (6), a travel groove (7) is provided on the top of the support plate (6), a first spring (3) is provided on the outer sleeve of the telescopic rod (2), two ends of the first spring (3) are respectively connected to the bottom of the support plate (6) and the top of the base (1), and two fixing mechanisms (4) are provided on the top of the support plate (6); The fixing mechanism (4) comprises a fixing block (405), the bottom of the fixing block (405) is connected to the top of the support plate (6), a through groove (408) is provided on one side of the fixing block (405), a sliding groove (411) is provided on one side of the through groove (408), a threaded ring (413) is slidably connected to the inner wall of the sliding groove (411), two sliding blocks (412) are connected to the outer wall of the threaded ring (413), a second moving groove (414) is provided on one side of the sliding block (412), a moving rod (407) is slidably connected to the inner wall of the second moving groove (414), and the other ends of the two moving rods (407) are connected to the same clamping block (406), and the bottom of the clamping block (406) is in contact with the top of the support plate (6).

2. The integrated thickness detection device for optical lenses according to claim 1, characterized in that: The outer walls of the two moving rods (407) are connected to a fixing ring (415), and the outer wall of the moving rod (407) is sleeved with a second spring (416). The two ends of the second spring (416) are respectively connected to one side of the fixing ring (415) and one side of the sliding block (412). The inner walls of the two threaded rings (413) are both threadedly connected to the first threaded rod (404). One end of the first threaded rod (404) is rotatably connected to the inner wall of the sliding groove (411), and the other end of the first threaded rod (404) extends to the outside of the through groove (408) and is connected to a gear (401). The outer wall of the first threaded rod (404) is in contact with the inner wall of the through groove (408). A rack (403) is meshed on one side of the gear (401). One side of the rack (403) is connected to a support column (402), and the bottom of the support column (402) is connected to the top of the base (1).

3. The integrated thickness detection device for optical lenses according to claim 1, characterized in that: A first sliding groove (409) is provided on both sides of the two sliding grooves (411), and the inner wall of the first sliding groove (409) is slidably connected to the outer wall of the sliding block (412); a first moving groove (410) is provided on one side of the first sliding groove (409), and the inner wall of the first moving groove (410) is slidably connected to the outer wall of the moving rod (407).

4. The integrated thickness detection device for optical lenses according to claim 1, characterized in that: An adjusting mechanism (5) is provided on one side of the base (1), and the adjusting mechanism (5) comprises a first motor (501) and a second slide groove (502), wherein the second slide groove (502) is provided on the top of the base (1), one side of the first motor (501) is connected to one side of the base (1), the inner wall of the second slide groove (502) is rotatably connected to a second threaded rod (503), and the output shaft of the first motor (501) extends into the second slide groove (502) and is connected to one end of the second threaded rod (503).

5. The integrated thickness detection device for optical lenses according to claim 4, characterized in that: The outer wall of the second threaded rod (503) is threadedly connected to a threaded block (505), the outer wall of the threaded block (505) is slidably connected to the inner wall of the second sliding groove (502), the top of the threaded block (505) is connected to a ruler (511), the outer wall of the ruler (511) is connected to a fixed sleeve (504), the outer wall of the ruler (511) is slidably connected to a sliding sleeve (512), one side of the fixed sleeve (504) is connected to a fixed plate (506), and one side of the sliding sleeve (512) is connected to a threaded plate (510).

6. The integrated thickness detection device for optical lenses according to claim 5, characterized in that: The inner wall of the threaded plate (510) is threadedly connected to a third threaded rod (509), one end of the third threaded rod (509) is rotatably connected to the top of the fixed plate (506), the bottom of the fixed plate (506) is connected to a second motor (513), the output shaft of the second motor (513) passes through the bottom of the fixed plate (506) and is connected to one end of the third threaded rod (509), the top of the fixed plate (506) is connected to a first measuring head (507), and the bottom of the threaded plate (510) is connected to a second measuring head (508).