Camera automatic focus machine

By designing a camera automatic focus machine including a turntable module, a dispensing module and a focus module, the problem of insufficient focus accuracy and production efficiency in the prior art is solved, and more efficient testing quality and focus effect are achieved.

CN111800627BActive Publication Date: 2025-03-11珠海市华亚智能科技有限公司 +1
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Patent Information

Application Number
CN202010832661.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-18
Publication Date
2025-03-11
Estimated Expiration
2040-08-18

AI Technical Summary

Technical Problem

The existing camera automatic focus machines have insufficient focus accuracy and production efficiency, which makes it difficult to ensure the test quality.

Method used

A camera automatic focusing machine including a turntable module, a dispensing module, a focus module and an image testing module are designed. Through the setting of the turntable module, the automatic process of product dispensing, focusing and image testing operations is realized. The dispensing module and focus module adopt a multi-axis linear motion module and a rotating mechanism, combined with a camera and an altimeter, to achieve accurate dispensing and focus operations.

Benefits of technology

It improves production efficiency and test quality, can focus more accurately, adapt to the product's slant in the X-axis and Y-axis directions, significantly improving the focus effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN111800627B_ABST
Patent Text Reader

Abstract

The present invention discloses an automatic focusing machine for a camera, aiming to provide an automatic focusing machine for a camera that can improve production efficiency, has high test quality and good focusing effect. The present invention comprises a machine platform, on which a turntable module, a dispensing module, a focusing module and an image testing module are arranged, the dispensing module, the focusing module and the image testing module are arranged in sequence outside the turntable module, and a plurality of carriers are arranged on the turntable module. The present invention is applied to the technical field of automatic focusing machines for cameras.
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Description

Technical Field

[0001] The invention relates to an automatic focusing machine for a camera. Background Art

[0002] At present, with the development of electronic technology, the demand for cameras on various electronic products, such as mobile phones and laptops, is increasing, and the quality is becoming more and more stringent. In order to ensure production efficiency and product quality, the camera needs to be focused and image tested to ensure that the lens has a better focal length and avoid spots or black spots on the lens. However, in traditional technologies, most of the camera focus adjustment, lens dispensing and functional testing are done manually. However, manual focusing and image testing are inefficient, and image testing is also done manually, which requires a lot of effort from the staff. Therefore, when testing mass-produced cameras, the human cost, time cost, and economic cost required are very high, and it is difficult to ensure the quality of the test; in addition, in a Chinese patent with a publication number of CN206074972U, it discloses a camera module automatic focusing machine, which includes a frame, on which a transverse guide rail, a vertical guide rail, a transverse driving mechanism, and a vertical driving mechanism are provided, the transverse guide rail is provided with a movable plate slidably connected thereto, the transverse driving mechanism is used to drive the movable plate to slide on the transverse guide rail, and the movable plate is provided with a fixture for mounting the camera module; a mounting plate is slidably provided on the vertical guide rail, and the vertical driving mechanism is used to drive the mounting plate to slide on the vertical guide rail; a focus ring corresponding to the camera module in the fixture is rotatably provided on the mounting plate, the focus ring is provided with a claw body matching the focus mechanism of the camera module, and the focus ring is driven to rotate by the focus driving mechanism. Obviously, in the process of focusing the lens, the Chinese patent will have a low focusing accuracy due to its own swing, and often cannot achieve the best focusing effect. Therefore, it is currently necessary to develop a camera automatic focusing machine that can improve production efficiency, have high test quality and good focusing effect. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a camera automatic focusing machine which can improve production efficiency, has high test quality and good focusing effect.

[0004] The technical solution adopted by the present invention is: the present invention includes a machine platform, on which a turntable module, a dispensing module, a focusing module and an image testing module are arranged, and the dispensing module, the focusing module and the image testing module are arranged in sequence on the outside of the turntable module, and a plurality of carriers are arranged on the turntable module.

[0005] Furthermore, the dispensing module includes a first X-axis linear motion module, a first altimeter and a first camera module; the first X-axis linear motion module is provided with a first Y-axis linear motion module; the first Y-axis linear motion module is provided with a first Z-axis linear motion module; the first Z-axis linear motion module is provided with a first rotating mechanism; the first rotating mechanism is provided with a dispensing mechanism; the first altimeter, the first camera module and the dispensing mechanism are all coordinated with the carrier.

[0006] Further, the focusing module includes a second X-axis linear motion module, a second altimeter and a second camera module. The second X-axis linear motion module is provided with a second Y-axis linear motion module, the second Y-axis linear motion module is provided with a second Z-axis linear motion module, the second Z-axis linear motion module is provided with a focusing support frame, the focusing support frame is provided with a driving motor, a rotating knob assembly and a third Z-axis linear motion module, the driving motor drives the rotating knob assembly through a belt, the rotating knob assembly is slidingly provided with a first product clamp and a second product clamp that match each other, the first product clamp and the second product clamp are both matched with the carrier, a spring is provided between the first product clamp and the second product clamp, the outer sides of the first product clamp and the two product clamps are provided with bearing plates, the outer sides of the bearing plates are provided with bearings, the third Z-axis linear motion module is provided with an angled plate, the inner side of the angled plate is an inclined surface, and the inner side of the angled plate matches the bearing.

[0007] Further, the rotating knob assembly includes a first rotating knob assembly, a second rotating knob assembly and a third rotating knob assembly, the second rotating knob assembly and the third rotating knob assembly are both arranged on the lower end surface of the first rotating knob assembly, the second rotating knob assembly is sleeved in the middle part of the third rotating knob assembly, the lower end surface of the second rotating knob assembly is provided with two clamping claw ring grooves both arranged in the X direction, the first product clamping claw and the second product clamping claw are respectively slidably fitted in the two clamping claw ring grooves, the outer side of the second rotating knob assembly is provided with two ring openings both arranged in the Y direction, the inner side of the third rotating knob assembly is provided with two ring protrusions both arranged in the Y direction, and the ring openings are adapted to the ring protrusions.

[0008] Furthermore, the image testing module includes a fourth Z-axis linear motion module and a third camera module, the fourth Z-axis linear motion module is provided with a white field light source board, and the third camera module and the white field light source board are both matched with the carrier.

[0009] Furthermore, the turntable module includes a rotating motor arranged on the machine platform, a turntable is arranged on the rotating motor, and a plurality of the carriers are arranged on the turntable.

[0010] Furthermore, the number of the carriers is four, and the turntable module is a four-station turntable module.

[0011] Furthermore, the first product clamping jaw and the second product clamping jaw are both provided with a polyurethane rubber layer.

[0012] The beneficial effects of the present invention are as follows: relative to the deficiencies of conventional technologies, in the present invention, the carrier is configured to place products, the glue dispensing module is configured to dispense glue to products, the focusing module is configured to focus products, and the image testing module is configured to perform image detection on products. The setting of the turntable module enables the product to sequentially perform glue dispensing, focusing and image testing operations through the turntable module. Therefore, the present invention can improve production efficiency and thus improve test quality through the setting of the turntable module, the glue dispensing module, the focusing module and the image testing module; through the setting of the two clamping jaw ring slide grooves, the stroke of the first product clamping jaw and the second product clamping jaw is controlled by the length of the clamping jaw ring slide groove, so that the first product clamping jaw and the second product clamping jaw can adapt to the product's deflection in the X-axis direction; at the same time, through the setting of the ring opening and the ring protrusion, the product's deflection in the Y-axis direction can be adapted. Therefore, the present invention has the advantages of being able to improve production efficiency, high test quality and good focusing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the three-dimensional structure of the present invention from a first viewing angle;

[0014] Figure 2 yes Figure 1 A partial enlarged schematic diagram of part A;

[0015] Figure 3 is a schematic diagram of a three-dimensional structure of the present invention from a second viewing angle;

[0016] Figure 4 is a schematic diagram of the three-dimensional structure of the present invention from a third viewing angle;

[0017] Figure 5 It is a three-dimensional structural diagram of the focusing module;

[0018] Figure 6 It is a three-dimensional structural diagram of the focusing module from another perspective;

[0019] Figure 7 yes Figure 6 A partial enlarged schematic diagram of part B;

[0020] Figure 8 This is an exploded view of the focus module;

[0021] Fig. 9 It is a planar structural diagram of the focusing module part structure. DETAILED DESCRIPTION

[0022] like Figures 1 to 9 As shown, in this embodiment, the present invention includes a machine 1, on which a turntable module 2, a dispensing module 3, a focusing module 4 and an image test module 5 are arranged, and the dispensing module 3, the focusing module 4 and the image test module 5 are arranged in sequence on the outside of the turntable module 2, and a plurality of carriers 6 are arranged on the turntable module 2. Compared with the shortcomings of the conventional technology, in the present invention, the carrier 6 is configured to place the product, the dispensing module 3 is configured to dispense the product, the focusing module 4 is configured to focus the product, and the image test module 5 is configured to perform image detection on the product. The setting of the turntable module 2 enables the product to perform dispensing, focusing and image testing operations in sequence through the turntable module 2. Therefore, the present invention can improve the production efficiency through the setting of the turntable module 2, the dispensing module 3, the focusing module 4 and the image test module 5, thereby improving the test quality, so that the present invention has the advantages of being able to improve the production efficiency and high test quality.

[0023] In this embodiment, the dispensing module 3 includes a first X-axis linear motion module 7, a first altimeter 8 and a first camera module 9. The first X-axis linear motion module 7 is provided with a first Y-axis linear motion module 10. The first Y-axis linear motion module 10 is provided with a first Z-axis linear motion module 11. The first Z-axis linear motion module 11 is provided with a first rotating mechanism 12. The first rotating mechanism 12 is provided with a dispensing mechanism 13. The first altimeter 8, the first camera module 9 and the dispensing mechanism 13 are all coordinated with the carrier 6. During glue dispensing, the product is loaded onto the turntable module 2 and rotated to the glue dispensing module 3. The product is positioned by the first camera module 9, and the height of the product is measured by the first altimeter 8, so that the first X-axis linear motion module 7, the first Y-axis linear motion module 10 and the first Z-axis linear motion module 11 can drive the glue dispensing mechanism 13 to move to the position of the product, and the glue dispensing mechanism 13 is driven to rotate one circle by the first rotating mechanism 12, so that the glue dispensing mechanism 13 can complete the glue dispensing operation on the product.

[0024] In this embodiment, the focusing module 4 includes a second X-axis linear motion module 15, a second altimeter 16 and a second camera module 17. The second X-axis linear motion module 15 is provided with a second Y-axis linear motion module 18. The second Y-axis linear motion module 18 is provided with a second Z-axis linear motion module 19. The second Z-axis linear motion module 19 is provided with a focusing support frame 20. The focusing support frame 20 is provided with a driving motor 21, a rotating knob assembly 22 and a third Z-axis linear motion module 23. The driving motor 21 drives the rotating knob assembly 22 through a belt 24. The rotating knob assembly 22 is provided with a driving motor 21, and the rotating knob assembly 22 is provided with a driving motor 21 ... A first product clamp 25 and a second product clamp 26 are slidingly provided on the knob assembly 22, and the first product clamp 25 and the second product clamp 26 are both matched with the carrier 6. A spring 27 is provided between the first product clamp 25 and the second product clamp 26. Bearing plates 28 are provided on the outer sides of the first product clamp 25 and the two product clamps, and bearings 41 are provided on the outer sides of the bearing plates 28. An angled plate 29 is provided on the third Z-axis linear motion module 23, and the inner side of the angled plate 29 is an inclined surface, and the inner side of the angled plate 29 is matched with the bearing 41. When the product is rotated to the focusing module 4 through the turntable module 2, the product on the carrier 6 is positioned by the second camera module 17, and the height of the product is measured by the second altimeter 16, so that the second X-axis linear motion module 15, the second Y-axis linear motion module 18 and the second Z-axis linear motion module 19 drive the focusing support frame 20 to move above the carrier 6, and the first product clamp 25 and the second product clamp 26 are moved to the product through the setting of the second Z-axis linear motion module 19, and further the third Z-axis linear motion module 23 drives the bevel plate 29 to descend, so that the inclined surface inside the bevel plate 29 can act on the bearing 41, so that the two bearings The plate 28, the first product clamp 25 and the second product clamp 26 move inward at the same time, further enabling the first product clamp 25 and the second product clamp 26 to clamp the product. At this time, the spring 27 is compressed, and further the drive motor 21 drives the rotating knob assembly 22 through the belt 24, so that the first product clamp 25 and the second product clamp 26 rotate to focus the product; after the focusing is completed, the third Z-axis linear motion module 23 drives the bevel disk 29 to rise so that the inner inclined surface of the bevel disk 29 no longer squeezes the bearing 41, and further the elastic force of the spring 27 allows the first product clamp 25 and the second product clamp 26 to release the product, thereby completing the overall focusing process.

[0025] In this embodiment, the rotating knob assembly 22 includes a first rotating knob assembly 30, a second rotating knob assembly 31 and a third rotating knob assembly 32. The second rotating knob assembly 31 and the third rotating knob assembly 32 are both arranged on the lower end surface of the first rotating knob assembly 30. The second rotating knob assembly 31 is sleeved in the middle of the third rotating knob assembly 32. The lower end surface of the second rotating knob assembly 31 is provided with two clamping claw annular grooves 33 both arranged in the X direction. The first product clamping claw 25 and the second product clamping claw 26 are respectively slidably fitted in the two clamping claw annular grooves 33. The outer side of the second rotating knob assembly 31 is provided with two annular openings 34 both arranged in the Y direction. The inner side of the third rotating knob assembly 32 is provided with two annular protrusions 35 both arranged in the Y direction. The annular openings 34 are adapted to the annular protrusions 35. Since the product will experience a certain degree of deflection during the focusing process, the present invention controls the stroke of the first product jaw 25 and the second product jaw 26 by setting the two clamping jaw circular ring grooves 33 and the length of the clamping jaw circular ring grooves 33, so that the first product jaw 25 and the second product jaw 26 can adapt to the deflection of the product in the X-axis direction; at the same time, the setting of the circular ring opening 34 and the circular ring protrusion 35 can adapt to the deflection of the product in the Y-axis direction, so that the present invention has the advantages of high test quality and good focusing effect.

[0026] In this embodiment, the image test module 5 includes a fourth Z-axis linear motion module 36 and a third camera module. A white field light source board 38 is provided on the fourth Z-axis linear motion module 36. The third camera module and the white field light source board 38 are both matched with the carrier 6. The white field light source board 38 is moved to the top of the carrier 6 through the fourth Z-axis linear motion module 36, and the product is photographed through the third camera module to perform an image test.

[0027] In this embodiment, the turntable module 2 includes a rotating motor 39 disposed on the machine platform 1 , a turntable 40 is disposed on the rotating motor 39 , and a plurality of carriers 6 are disposed on the turntable 40 .

[0028] In this embodiment, the number of the carriers 6 is four, and the turntable module 2 is a four-station turntable module.

[0029] In this embodiment, the first product clamping jaw 25 and the second product clamping jaw 26 are both provided with a polyurethane foam layer.

[0030] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A camera automatic focusing machine, characterized in that: The invention comprises a machine platform (1), wherein the machine platform (1) is provided with a turntable module (2), a glue dispensing module (3), a focus module (4) and an image test module (5); the glue dispensing module (3), the focus module (4) and the image test module (5) are sequentially arranged outside the turntable module (2); the turntable module (2) is provided with a plurality of carriers (6); the focus module (4) comprises a second X-axis linear motion module (15), a second altimeter (16) and a second camera module (17); the second X-axis linear motion module (15) is provided with a second Y-axis linear motion module (18); the second Y-axis linear motion module (18) is provided with a second Z-axis linear motion module (19); A linear motion module (19), wherein the second Z-axis linear motion module (19) is provided with a focus support frame (20), wherein the focus support frame (20) is provided with a drive motor (21), a rotating knob assembly (22) and a third Z-axis linear motion module (23), wherein the drive motor (21) drives the rotating knob assembly (22) via a belt (24), wherein the rotating knob assembly (22) is provided with a first product clamp (25) and a second product clamp (26) which are matched with each other, wherein the first product clamp (25) and the second product clamp (26) are both matched with the carrier (6), and the first product clamp (25) and the second product clamp (26) are matched with each other. The first product clamp (25) and the second product clamp (26) are provided with a spring (27); the outer sides of the first product clamp (25) and the second product clamp (26) are provided with bearing plates (28); the outer sides of the bearing plates (28) are provided with bearings (41); the third Z-axis linear motion module (23) is provided with an angled plate (29); the inner side of the angled plate (29) is an inclined surface; the inner side of the angled plate (29) is matched with the bearing (41); the rotating knob assembly (22) comprises a first rotating knob assembly (30), a second rotating knob assembly (31) and a third rotating knob assembly (32); the second rotating knob assembly (31) and the third rotating knob assembly (32) are both provided on the first rotating knob assembly (30); The second rotating knob assembly (30) is sleeved on the middle part of the third rotating knob assembly (32); the lower end surface of the second rotating knob assembly (31) is provided with two clamping claw annular grooves (33) both arranged in the X direction; the first product clamping claw (25) and the second product clamping claw (26) are respectively slidably fitted in the two clamping claw annular grooves (33); the outer side of the second rotating knob assembly (31) is provided with two annular openings (34) both arranged in the Y direction; the inner side of the third rotating knob assembly (32) is provided with two annular protrusions (35) both arranged in the Y direction; the annular openings (34) are adapted to the annular protrusions (35).

2. The camera automatic focusing machine according to claim 1, characterized in that: The dispensing module (3) comprises a first X-axis linear motion module (7), a first altimeter (8) and a first camera module (9); the first X-axis linear motion module (7) is provided with a first Y-axis linear motion module (10); the first Y-axis linear motion module (10) is provided with a first Z-axis linear motion module (11); the first Z-axis linear motion module (11) is provided with a first rotating mechanism (12); the first rotating mechanism (12) is provided with a dispensing mechanism (13); the first altimeter (8), the first camera module (9) and the dispensing mechanism (13) are all provided in cooperation with the carrier (6).

3. The camera automatic focusing machine according to claim 1, characterized in that: The image test module (5) comprises a fourth Z-axis linear motion module (36) and a third camera module; the fourth Z-axis linear motion module (36) is provided with a white-field light source panel (38); and the third camera module and the white-field light source panel (38) are both matched with the carrier (6).

4. The camera automatic focusing machine according to claim 1, characterized in that: The turntable module (2) comprises a rotating motor (39) arranged on the machine platform (1), a turntable (40) being arranged on the rotating motor (39), and a plurality of carriers (6) being arranged on the turntable (40).

5. The camera automatic focusing machine according to claim 1, characterized in that: The number of the carriers (6) is four, and the turntable module (2) is a four-station turntable module.

6. The camera automatic focusing machine according to claim 1, characterized in that: The first product clamping jaw (25) and the second product clamping jaw (26) are both provided with a polyurethane layer.

Citation Information

Patent Citations

  • Camera module automatic focusing machine

    CN206074972U

  • Automatic clamping and focusing mechanism for vehicle-mounted camera

    CN108881698A

  • Four-station camera testing machine

    CN203837900U

  • Automatic focusing machine of camera

    CN213043791U