Optical lens edge thickness detection device

Abstract

The utility model discloses an optical lens edge thickness detection device, which comprises a positioning mechanism and a detection mechanism, the positioning mechanism comprises a positioning table and a first rotation driving part, the positioning table is provided with a plurality of positioning grooves in the circumferential direction, the upper surface of each positioning groove is provided with an opening and is respectively used for placing an optical lens, and the first rotation driving part is provided with a second rotation driving part. An output shaft of the first rotation driving part is connected with the positioning table, and is used for driving the positioning table to rotate and enabling the rotation paths of the positioning grooves to be the same; and the detection mechanism is arranged above the positioning table, is positioned on a rotating path of each positioning groove, and is used for detecting the edge thickness of the optical lens in the positioning groove. The optical lens edge thickness detection mechanism has the advantages that the detection mechanism can still detect the edge thickness of an optical lens in the lens taking and placing process, and therefore the detection efficiency is improved.

Description

Technical Field

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

[0002] Optical lenses refer to transparent lenses made of optical materials such as glass or resin. Optical lenses are divided into spherical lenses and aspherical lenses. The produced spherical lenses need to use a thickness detection device to detect the edge thickness of their spherical surface.

[0003] When detecting the edge thickness of the lens, the existing optical lens edge thickness detection device (such as a lens thickness detector disclosed in application number 202022219291.7) requires people to manually place the lens on a positioning piece and then manually remove the lens after the detection is completed. During the process of taking and placing the lens, the detection meter cannot detect the edge thickness of the optical lens, resulting in low detection efficiency. Utility Model Content

[0004] The purpose of the utility model is to overcome the above technical deficiencies and to provide an optical lens edge thickness detection device to solve the technical problem in the prior art that during the process of taking and placing the lens, the detection table cannot detect the edge thickness of the optical lens, resulting in low detection efficiency.

[0005] In order to achieve the above technical objectives, the technical solution of the utility model provides an optical lens edge thickness detection device, comprising:

[0006] The positioning mechanism comprises a positioning platform and a first rotating driving member, wherein the positioning platform is provided with a plurality of positioning grooves in a circumferential direction, and the upper surface of each positioning groove is open and is used to place an optical lens respectively, and the output shaft of the first rotating driving member is connected to the positioning platform to drive the positioning platform to rotate, and to make the rotation paths of each positioning groove the same;

[0007] The detection mechanism is arranged above the positioning platform and located on the rotation path of each positioning groove, and is used to detect the edge thickness of the optical lens in the positioning groove.

[0008] Furthermore, the detection mechanism includes a connecting rod, a detector, a second rotating drive member and a first telescopic drive member, the connecting rod is horizontally arranged, the detector is connected to one end of the connecting rod, the output shaft of the second rotating drive member is fixedly connected to the other end of the connecting rod for driving the connecting rod to rotate, and the central axis of the output shaft of the second rotating drive member is located on the rotation path of the central axis of each of the positioning grooves, the telescopic shaft of the first telescopic drive member is fixedly connected to the second rotating drive member for driving the second rotating drive member to move up and down to adjust the distance between the detector and the optical lens.

[0009] Furthermore, the optical lens edge thickness detection device also includes a loading bin, which is arranged above the positioning platform and has a loading cavity with openings on the upper and lower surfaces. The central axis of the loading cavity is located on the rotation path of the central axis of each of the positioning grooves, and the loading cavity is used to place optical lenses from bottom to top.

[0010] Furthermore, the upper surface of the optical lens located in the positioning groove is not lower than the upper surface of the positioning groove and is not higher than the lower surface of the loading cavity.

[0011] Furthermore, the optical lens edge thickness detection device also includes a workbench, the positioning table is rotatably set on the workbench, and the lower surface of the positioning table is slidably abutted against the upper surface of the workbench, and a waist-shaped groove is opened on the workbench, and the two ends of the waist-shaped groove respectively form a first discharge port and a second discharge port, and the first discharge port and the second discharge port are both located on the rotation path of each positioning groove.

[0012] Furthermore, the lower surface of each positioning groove is opened.

[0013] Furthermore, the optical lens edge thickness detection device also includes a blocking mechanism, which includes a blocking plate and a second telescopic driving member. The blocking plate is slidably arranged in the waist-shaped groove, and the telescopic shaft of the second telescopic driving member is fixedly connected to the blocking plate, and is used to drive the blocking plate to move along the length direction of the waist-shaped groove so that the blocking plate alternately blocks the first discharge port or the second discharge port.

[0014] Furthermore, a slide groove is provided on both side walls in the length direction of the waist-shaped groove, and the blocking mechanism also includes two sliders, which are respectively fixed on the two side walls of the blocking plate and are respectively slidably disposed in the corresponding slide grooves.

[0015] Furthermore, the optical lens edge thickness detection device also includes a control mechanism, which includes a sensor and a control board. The sensor is arranged on the connecting rod and is electrically connected to the detector. The input end of the control board is electrically connected to the sensor, and the output end of the control board is electrically connected to the first rotating drive member, the second rotating drive member, the first telescopic drive member and the second telescopic drive member.

[0016] Furthermore, the first rotation driving member is a first motor, and the second rotation driving member is a second motor.

[0017] Compared with the prior art, the beneficial effects of the utility model include: when in use, by manipulating the first rotating drive member, the first rotating drive member can drive the positioning table to rotate. Since the rotation paths of the positioning table are the same, and the detection mechanism is located on the rotation paths of the positioning grooves, each positioning groove can be rotated in turn to be directly below the detection mechanism. When one of the positioning grooves is rotated to be directly below the detection mechanism, the edge thickness of the optical lens in the positioning groove can be detected by the detection mechanism, and the optical lens can be placed in or taken out of the positioning groove that is not directly below the detection mechanism, so that during the process of taking and placing the lens, the detection mechanism can still detect the edge thickness of the optical lens, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of an optical lens edge thickness detection device provided by the utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of an optical lens edge thickness detection device after omitting the positioning platform;

[0020] Figure 3 yes Figure 1 A schematic diagram of the three-dimensional structure of an optical lens edge thickness detection device in another viewing angle;

[0021] Figure 4 yes Figure 3 A schematic diagram of the three-dimensional structure of the blocking plate;

[0022] In the figure: 100 - positioning mechanism, 110 - positioning platform, 111 - positioning groove, 120 - first rotating drive member, 200 - detection mechanism, 210 - connecting rod, 220 - detection instrument, 230 - second rotating drive member, 240 - first telescopic drive member, 250 - support plate, 300 - loading bin, 310 - loading chamber, 400 - workbench, 410 - waist-shaped groove, 411 - first unloading port, 412 - second unloading port, 413 - slide groove, 500 - blocking mechanism, 510 - blocking plate, 520 - second telescopic drive member, 530 - slider. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The utility model provides an optical lens edge thickness detection device, the structure of which is as follows: Figure 1 - Figure 3 As shown, it includes a positioning mechanism 100 and a detection mechanism 200. The positioning mechanism 100 includes a positioning platform 110 and a first rotating drive member 120. The positioning platform 110 is circumferentially provided with a plurality of positioning grooves 111. The upper surface of each positioning groove 111 is opened and is used to place an optical lens respectively. The output shaft of the first rotating drive member 120 is connected to the positioning platform 110 to drive the positioning platform 110 to rotate and make the rotation paths of each positioning groove 111 the same; the detection mechanism 200 is arranged above the positioning platform 110 and is located on the rotation paths of each positioning groove 111 to detect the edge thickness of the optical lens in the positioning groove 111.

[0025] When in use, by manipulating the first rotating drive member 120, the first rotating drive member 120 can drive the positioning platform 110 to rotate. Since the rotation paths of the positioning platform 110 are the same, and the detection mechanism 200 is located on the rotation paths of the positioning slots 111, the positioning slots 111 can be rotated to the bottom of the detection mechanism 200 in sequence. When one of the positioning slots 111 is rotated to the bottom of the detection mechanism 200, the edge thickness of the optical lens in the positioning slot 111 can be detected by the detection mechanism 200, and the optical lens can be placed in or taken out of the positioning slot 111 that is not directly under the detection mechanism 200, so that the detection mechanism 200 can still detect the edge thickness of the optical lens during the process of taking and placing the lens, thereby improving the detection efficiency.

[0026] As a preferred embodiment, please refer to Figure 1 and Figure 3The detection mechanism 200 includes a connecting rod 210, a detector 220, a second rotating driving member 230 and a first telescopic driving member 240. The connecting rod 210 is horizontally arranged, the detector 220 is connected to one end of the connecting rod 210, the output shaft of the second rotating driving member 230 is fixedly connected to the other end of the connecting rod 210, and is used to drive the connecting rod 210 to rotate, and the central axis of the output shaft of the second rotating driving member 230 is located on the rotation path of the central axis of each of the positioning grooves 111, and the telescopic shaft of the first telescopic driving member 240 is fixedly connected to the second rotating driving member 230, and is used to drive the second rotating driving member 230 to move up and down to adjust the detector 22 0 and the distance between the optical lens, when the central axis of one of the positioning grooves 111 is coaxial with the output shaft of the second rotating drive member 230, by manipulating the first telescopic drive member 240, the first telescopic drive member 240 drives the second rotating drive member 230 to move downward, and drives the detector 220 to move downward via the connecting rod 210 until the detection needle of the detector 220 abuts against the edge of the upper surface of the optical lens, and then by manipulating the second rotating drive member 230, the second rotating drive member 230 can drive the connecting rod 210 to rotate, and drive the detector 220 to rotate, so that the thickness of the edge of the optical lens can be detected.

[0027] As a preferred embodiment, please refer to Figure 1 and Figure 3 The detection mechanism 200 also includes a support plate 250, which is horizontally arranged. The second rotating driving member 230 is fixedly arranged at one end of the support plate 250. The telescopic axis of the first telescopic driving member 240 is fixedly connected to the other end of the support plate 250. When the first telescopic driving member 240 is telescoped, the second rotating driving member 230 can be driven to move up and down through the support plate 250, so as to facilitate the arrangement of the position of the first telescopic driving member 240.

[0028] As a preferred embodiment, please refer to Figure 1The optical lens edge thickness detection device also includes a loading bin 300, which is arranged above the positioning platform 110 and has a loading cavity 310 with openings on the upper and lower surfaces. The central axis of the loading cavity 310 is located on the rotation path of the central axis of each of the positioning grooves 111. The loading cavity 310 is used to place optical lenses from bottom to top. During the rotation of the positioning platform 110, the openings on the upper surfaces of each of the positioning grooves 111 can be connected with the loading cavity 310 in sequence. When the positioning grooves 111 are connected with the loading cavity 310, the optical lens at the bottom layer in the loading cavity 310 falls into the positioning grooves 111 under the action of their own gravity, thereby realizing the self-loading process of the optical lens. When the positioning grooves 111 are not connected with the loading cavity 310, the positioning platform 110 can block the opening on the lower surface of the loading cavity 310.

[0029] As a preferred embodiment, please refer to Figure 1 The upper surface of the optical lens in the positioning groove 111 is not lower than the upper surface of the positioning groove 111 and is not higher than the lower surface of the loading cavity 310. When the optical lens enters the positioning groove 111, the rotation of the positioning platform 110 can be undisturbed.

[0030] As a preferred embodiment, please refer to Figure 2 and Figure 3 The optical lens edge thickness detection device also includes a workbench 400, the positioning platform 110 is rotatably set on the workbench 400, and the lower surface of the positioning platform 110 is slidably abutted against the upper surface of the workbench 400, and a waist-shaped groove 410 is provided on the workbench 400, and the two ends of the waist-shaped groove 410 respectively form a first discharge port 411 and a second discharge port 412, and the first discharge port 411 and the second discharge port 412 are both located on the rotation path of each of the positioning grooves 111. During the rotation of the positioning platform 110, each of the positioning grooves 111 can be connected with the first discharge port 411 or the second discharge port 412 in sequence, and the optical lens in the positioning groove 111 can fall along the first discharge port 411 or the second discharge port 412, thereby realizing the self-discharging process of the optical lens.

[0031] As a preferred embodiment, please refer to Figure 1 The lower surface of each positioning groove 111 is set with an opening. During the rotation of the positioning platform 110, the openings on the lower surface of each positioning groove 111 can be connected with the first discharge port 411 or the second discharge port 412 in sequence, and the optical lens in the positioning groove 111 can fall along the first discharge port 411 or the second discharge port 412, thereby realizing the self-discharging process of the optical lens.

[0032] As a preferred embodiment, please refer to Figure 3 The optical lens edge thickness detection device also includes a blocking mechanism 500, which includes a blocking plate 510 and a second telescopic driving member 520. The blocking plate 510 is slidably arranged in the waist-shaped groove 410, and the second telescopic driving member 520 is fixed on the workbench 400. The telescopic axis of the second telescopic driving member 520 is fixedly connected to the blocking plate 510, and is used to drive the blocking plate 510 to move along the length direction of the waist-shaped groove 410, so that the blocking plate 510 alternately blocks the first discharge port 411 or the second discharge port 412, so that the optical lens in the positioning groove 111 can fall along the first discharge port 411 or the second discharge port 412, thereby realizing the classified discharge of optical lenses and distinguishing qualified products from unqualified products.

[0033] As a preferred embodiment, please refer to Figure 2 and Figure 4 A slide groove 413 is provided on both side walls of the waist-shaped groove 410 in the length direction. The blocking mechanism 500 also includes two sliders 530. The two sliders 530 are respectively fixed on the two side walls of the blocking plate 510 and are respectively slidably set in the corresponding slide grooves 413. Through the sliding connection between the sliders 530 and the slide grooves 413, the movement of the blocking plate 510 can be guided to improve the stability of the movement of the blocking plate 510.

[0034] As a preferred embodiment, the optical lens edge thickness detection device also includes a control mechanism, which includes a sensor and a control board. The sensor is arranged on the connecting rod 210 and is electrically connected to the detector 220. The input end of the control board is electrically connected to the sensor, and the output end of the control board is electrically connected to the first rotating drive member 120, the second rotating drive member 230, the first telescopic drive member 240 and the second telescopic drive member 520. After the detector 220 completes the edge thickness detection of the optical lens, the sensor can obtain the detection result of the detector 220 and feed the detection result back to the control board. When the detection result is unqualified, the control board will transmit an electrical signal to the second telescopic drive member 520, and control the shortening of the telescopic axis of the second telescopic drive member 520, so that the blocking plate 510 blocks the second lower The material port 412, at this time, the first material port 411 is in an open state, and when the positioning groove 111 is connected with the first material port 411, the optical lens in the positioning groove 111 can fall along the first material port 411, so as to realize the unloading of unqualified products. When the detection result is qualified, the control board will transmit the electrical signal to the second telescopic drive member 520, and control the extension of the telescopic shaft of the second telescopic drive member 520, so that the blocking plate 510 blocks the first material port 411. At this time, the second material port 412 is in an open state, and when the positioning groove 111 is connected with the second material port 412, the optical lens in the positioning groove 111 can fall along the second material port 412, so as to realize the unloading of qualified products. The control board is also used to control the actions of the first rotating drive member 120, the second rotating drive member 230, and the first telescopic drive member 240.

[0035] As a preferred embodiment, the first rotation driving member 120 is a first motor, and the second rotation driving member 230 is a second motor. The positioning platform 110 is driven to rotate by the first motor, and the connecting rod 210 is driven to rotate by the second motor.

[0036] As a preferred embodiment, the first telescopic driving member 240 is a first cylinder, and the second telescopic driving member 520 is a second cylinder. The support plate 250 is driven to move up and down by the telescopic movement of the first cylinder, and the blocking plate 510 is driven to move by the telescopic movement of the second cylinder.

[0037] In order to better understand the present invention, the following Figure 1 - Figure 4 The working principle of the technical solution of the utility model is described in detail:

[0038] When in use, each optical lens is placed in the loading chamber 310 from bottom to top, and a packaging box is placed at the bottom of the first discharge port 411 and the second discharge port 412 respectively. By manipulating the first rotating drive member 120, the first rotating drive member 120 can drive the positioning platform 110 to rotate. During the rotation of the positioning platform 110, the rotation paths of the positioning grooves 111 are the same, and the central axis of the output shaft of the second rotating drive member 230 is located on the rotation path of the central axis of the positioning grooves 111. The central axis of the loading chamber 310 is located on the rotation path of the central axis of the positioning grooves 111. The first discharge port 411 and the second discharge port 412 are both located On the rotation path of each of the positioning grooves 111, therefore, when one of the positioning grooves 111 rotates to the bottom of the lower material chamber, the positioning groove 111 is connected to the upper material chamber 310, and the optical lens at the bottom layer in the upper material chamber 310 falls into the positioning groove 111 under the action of its own gravity, thereby realizing the self-loading process of the optical lens. As the positioning platform 110 continues to rotate, the positioning groove 111 rotates to the bottom of the detection mechanism 200. When the center axis of the positioning groove 111 is coaxial with the output shaft of the second rotating drive member 230, the first telescopic drive member 240 is controlled so that the first telescopic drive member 240 drives the second rotating drive member 230 to move downward, and through The connecting rod 210 drives the detector 220 to move downward until the detection needle of the detector 220 abuts against the edge of the upper surface of the optical lens, and then the second rotating drive member 230 is manipulated so that the second rotating drive member 230 can drive the connecting rod 210 to rotate and drive the detector 220 to rotate, so that the thickness of the edge of the optical lens can be detected. After the detection, the sensor can obtain the detection result of the detector 220 and feed the detection result back to the control board. When the detection result is unqualified, the control board will transmit an electrical signal to the second telescopic drive member 520, and control the telescopic shaft of the second telescopic drive member 520 to shorten, so that the blocking plate 510 blocks the The second material discharge port 412, at this time, the first material discharge port 411 is in an open state, and when the positioning groove 111 is connected with the first material discharge port 411, the optical lens in the positioning groove 111 can fall along the first material discharge port 411 to realize the discharge of unqualified products. When the test result is qualified, the control board will transmit an electrical signal to the second telescopic drive member 520, and control the extension of the telescopic shaft of the second telescopic drive member 520, so that the blocking plate 510 blocks the first material discharge port 411. At this time, the second material discharge port 412 is in an open state, and when the positioning groove 111 is connected with the second material discharge port 412, the optical lens in the positioning groove 111 can fall along the second material discharge port 412.Achieve the unloading of qualified products.

[0039] The optical lens edge thickness detection device provided by the utility model has the following beneficial effects:

[0040] (1) When the test result is unqualified, the first discharge port 411 is in an open state, and the optical lens in the positioning groove 111 can fall along the first discharge port 411 to discharge unqualified products; when the test result is qualified, the second discharge port 412 is in an open state, and the optical lens in the positioning groove 111 can fall along the second discharge port 412 to discharge qualified products;

[0041] (2) The optical lens edge thickness detection device has the function of automatic loading and unloading, which can reduce the labor intensity of workers and improve the detection efficiency when performing batch detection of lens edge thickness;

[0042] (3) During the process of taking and placing the lens, the detection mechanism 200 can still detect the edge thickness of the optical lens, thereby improving the detection efficiency.

[0043] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. An optical lens edge thickness detection device, characterized in that: include: The positioning mechanism comprises a positioning platform and a first rotating driving member, wherein the positioning platform is provided with a plurality of positioning grooves in a circumferential direction, and the upper surface of each positioning groove is open and is used to place an optical lens respectively, and the output shaft of the first rotating driving member is connected to the positioning platform to drive the positioning platform to rotate, and to make the rotation paths of each positioning groove the same; The detection mechanism is arranged above the positioning platform and located on the rotation path of each positioning groove, and is used to detect the edge thickness of the optical lens in the positioning groove.

2. The optical lens edge thickness detection device according to claim 1, characterized in that: The detection mechanism includes a connecting rod, a detector, a second rotating drive member and a first telescopic drive member. The connecting rod is horizontally arranged, the detector is connected to one end of the connecting rod, the output shaft of the second rotating drive member is fixedly connected to the other end of the connecting rod for driving the connecting rod to rotate, and the central axis of the output shaft of the second rotating drive member is located on the rotation path of the central axis of each of the positioning grooves, the telescopic shaft of the first telescopic drive member is fixedly connected to the second rotating drive member for driving the second rotating drive member to move up and down to adjust the distance between the detector and the optical lens.

3. The optical lens edge thickness detection device according to claim 1, characterized in that: It also includes a loading bin, which is arranged above the positioning platform and has a loading cavity with openings on the upper and lower surfaces. The central axis of the loading cavity is located on the rotation path of the central axis of each of the positioning grooves. The loading cavity is used to place optical lenses from bottom to top.

4. The optical lens edge thickness detection device according to claim 3, characterized in that: The upper surface of the optical lens located in the positioning groove is not lower than the upper surface of the positioning groove and is not higher than the lower surface of the loading cavity.

5. The optical lens edge thickness detection device according to claim 2, characterized in that: It also includes a workbench, the positioning table is rotatably set on the workbench, and the lower surface of the positioning table is slidably abutted against the upper surface of the workbench, a waist-shaped groove is opened on the workbench, and the two ends of the waist-shaped groove respectively form a first discharge port and a second discharge port, and the first discharge port and the second discharge port are both located on the rotation path of each positioning groove.

6. The optical lens edge thickness detection device according to claim 5, characterized in that: The lower surface of each positioning groove is opened.

7. The optical lens edge thickness detection device according to claim 5, characterized in that: It also includes a blocking mechanism, which includes a blocking plate and a second telescopic driving member. The blocking plate is slidably arranged in the waist-shaped groove. The telescopic shaft of the second telescopic driving member is fixedly connected to the blocking plate, and is used to drive the blocking plate to move along the length direction of the waist-shaped groove so that the blocking plate alternately blocks the first discharge port or the second discharge port.

8. The optical lens edge thickness detection device according to claim 7, characterized in that: A slide groove is provided on both side walls in the length direction of the waist-shaped groove, and the blocking mechanism also includes two sliding blocks, which are respectively fixed on the two side walls of the blocking plate and are respectively slidably disposed in the corresponding slide grooves.

9. The optical lens edge thickness detection device according to claim 7, characterized in that: It also includes a control mechanism, which includes a sensor and a control board. The sensor is arranged on the connecting rod and is electrically connected to the detector. The input end of the control board is electrically connected to the sensor, and the output end of the control board is electrically connected to the first rotating drive member, the second rotating drive member, the first telescopic drive member and the second telescopic drive member.

10. The optical lens edge thickness detection device according to claim 9, characterized in that: The first rotation driving member is a first motor, and the second rotation driving member is a second motor.

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