Focusing mechanism
By designing a focus mechanism including a focus support frame, a drive motor, a rotary knob assembly and a jaw drive module, the problems of low focus efficiency and low accuracy of the camera lens in the prior art are solved, and efficient and accurate lens focus effect is achieved.
Patent Information
- Application Number
- CN202010833781.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-08-18
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2040-08-18
AI Technical Summary
In the prior art, the focus efficiency of camera lenses is low, resulting in high labor costs and difficulty in ensuring test quality during mass production, and the focus accuracy is not high, making it difficult to achieve the best effect.
A focusing mechanism including a focus support frame, a drive motor, a rotary knob assembly and a jaw drive module is designed. By driving the rotary knob assembly to rotate, the clamping and loosening functions of the jaw drive module are combined to achieve efficient lens focusing.
It improves the efficiency and accuracy of focus adjustment, can adapt to the product's slant in the X-axis and Y-axis directions, significantly improving work efficiency and focus effect.
Smart Images

Figure CN111800628B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a focusing mechanism. 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 so that the lens has a better focal length. However, in traditional technology, most of the camera focus adjustment is done manually, and manual focusing is inefficient. Therefore, when testing mass-produced cameras, the manpower cost, time cost, and economic cost are very high, and it is difficult to guarantee the test quality; in addition, in a Chinese patent with a publication number of CN206074972U, a camera module automatic focusing machine is disclosed, which includes a frame, and the frame is provided with a transverse guide rail, a vertical guide rail, a transverse drive mechanism and a vertical drive mechanism, and the transverse guide rail is provided with a movable plate slidably connected thereto, and the transverse drive mechanism is used The movable plate is used to drive the movable plate to slide on the horizontal guide rail, and a fixture for installing the camera module is provided on the movable plate; 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, and a claw body matching the focusing mechanism of the camera module is provided on the focusing ring, and the focusing ring is driven to rotate by the focusing driving mechanism. Obviously, the focusing accuracy of the Chinese patent is not high during the process of focusing the lens due to its own yaw, and the best focusing effect is often not achieved. Therefore, it is currently necessary to develop a focusing mechanism with high working efficiency 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 focusing mechanism with high working efficiency and good focusing effect.
[0004] The technical solution adopted by the present invention is: the present invention includes a focusing support frame, on which a driving motor, a rotating knob assembly and a clamping jaw driving module are arranged, the driving motor drives the rotating knob assembly to rotate, the rotating knob assembly is slidingly provided with a first product clamping jaw and a second product clamping jaw that match each other, and the clamping jaw driving module drives the first product clamping jaw and the second product clamping jaw to open and close.
[0005] Furthermore, the clamping jaw driving module includes an elastic member, two bearing plates and a lifting module. The elastic member is cooperatively arranged between the first product clamping jaw and the second product clamping jaw. The two bearing plates are respectively arranged on the outer side of the first product clamping jaw and the outer side of the second product clamping jaw. Bearings are arranged on the outer side of the two bearing plates. The lifting module is cooperatively arranged with an angled plate. The inner side of the angled plate is an inclined surface, and the inner side of the angled plate cooperates with the two bearings.
[0006] 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 a first clamping claw ring groove and a second clamping claw ring groove, both of which are arranged in the X direction, the first product clamping claw and the second product clamping claw are respectively slidably fitted in the first clamping claw ring groove and the second clamping claw ring groove, the outer side of the second rotating knob assembly is provided with two ring openings, both of which are arranged in the Y direction, the inner side of the third rotating knob assembly is provided with two ring protrusions, both of which are arranged in the Y direction, and the ring openings are adapted to the ring protrusions.
[0007] Furthermore, the lifting module includes two lifting cylinders, which are respectively arranged at two ends of the focusing support frame, and the movable ends of the two lifting cylinders are respectively matched with two ends of the bevel plate.
[0008] Furthermore, the focusing mechanism also includes a moving module, which includes an X-axis linear motion module, the X-axis linear motion module is equipped with a Y-axis linear motion module, the Y-axis linear motion module is equipped with a Z-axis linear motion module, and the focusing support frame is equipped with the Z-axis linear motion module.
[0009] Furthermore, the focusing mechanism also includes a second altimeter and a camera module.
[0010] Furthermore, the driving motor drives the rotating knob assembly to rotate via a belt.
[0011] Furthermore, the elastic member is a spring.
[0012] The beneficial effect of the present invention is as follows: relative to the shortcomings of the conventional technology, in the present invention, during focusing, the first product clamp and the second product clamp are located at the product of the carrier, and the clamp driving module further drives the first product clamp and the second product clamp to clamp the product, and the driving motor further drives the rotating knob assembly to rotate, thereby focusing the product. Therefore, the efficiency and accuracy of focusing can be improved by setting the driving motor, the rotating knob assembly, the clamp driving module, the first product clamp and the second product clamp. Since the product will deflect to a certain extent during the focusing process, the present invention controls the stroke of the first product clamp and the second product clamp by setting the first clamp annular groove and the second clamp annular groove and by the length of the first clamp annular groove and the second clamp annular groove, so that the first product clamp and the second product clamp can adapt to the deflection of the product in the X-axis direction; at the same time, the setting of the annular opening and the annular protrusion can adapt to the deflection of the product in the Y-axis direction, so the present invention has the advantages of high working efficiency and good focusing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;
[0014] Figure 2 It is a three-dimensional structural schematic diagram of another viewing angle of the present invention;
[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention when the mobile module is removed;
[0016] Figure 4 is a schematic diagram of the three-dimensional structure of the present invention when the mobile module is removed from another viewing angle;
[0017] Figure 5 yes Figure 4 A partial enlarged schematic diagram of part A;
[0018] Figure 6 is an exploded view of the present invention;
[0019] Figure 7 It is a schematic diagram of the planar structure of the present invention when the mobile module is removed. DETAILED DESCRIPTION
[0020] like Figures 1 to 7As shown, in this embodiment, the present invention includes a focusing support frame 1, on which a driving motor 2, a rotating knob assembly 3 and a clamp driving module 4 are arranged, the driving motor 2 drives the rotating knob assembly 3 to rotate, the rotating knob assembly 3 is slidingly provided with a first product clamp 5 and a second product clamp 6 that match each other, and the clamp driving module 4 drives the first product clamp 5 and the second product clamp 6 to open and close. Compared with the shortcomings of the conventional technology, in the present invention, when focusing, the first product clamp 5 and the second product clamp 6 are located at the product of the carrier, and the clamp driving module 4 drives the first product clamp 5 and the second product clamp 6 to clamp the product, and further the driving motor 2 drives the rotating knob assembly 3 to rotate, so as to focus the product. Therefore, the setting of the driving motor 2, the rotating knob assembly 3, the clamp driving module 4, the first product clamp 5 and the second product clamp 6 can improve the efficiency and accuracy of focusing, so that the present invention has the advantages of high working efficiency and good focusing effect.
[0021] In this embodiment, the clamping jaw driving module 4 includes an elastic member 7, two bearing plates 8 and a lifting module 9. The elastic member 7 is cooperatively arranged between the first product clamping jaw 5 and the second product clamping jaw 6. The two bearing plates 8 are respectively arranged on the outer side of the first product clamping jaw 5 and the outer side of the second product clamping jaws. Bearings 10 are arranged on the outer sides of the two bearing plates 8. The lifting module 9 is cooperatively arranged with an angled plate 11. The inner side of the angled plate 11 is an inclined surface, and the inner side of the angled plate 11 cooperates with the two bearings 10. When the first product clamp 5 and the second product clamp 6 need to be clamped, the lifting module 9 drives the angled disk 11 to descend, so that the inner inclined surface of the angled disk 11 can act on the bearing 10, so that the two bearing plates 8, the first product clamp 5 and the second product clamp 6 move inward at the same time, further enabling the first product clamp 5 and the second product clamp 6 to clamp the product, at this time the elastic member 7 is compressed, and further the driving motor 2 drives the rotating knob assembly 3 to rotate, so that the first product clamp 5 and the second product clamp 6 rotate and can focus the product; after the focusing is completed, the lifting module 9 drives the angled disk 11 to rise so that the inner inclined surface of the angled disk 11 no longer squeezes the bearing 10, and further the elastic force of the elastic member 7 enables the first product clamp 5 and the second product clamp 6 to release the product, thereby completing the overall focusing process.
[0022] In this embodiment, the rotating knob assembly 3 includes a first rotating knob assembly 12, a second rotating knob assembly 13 and a third rotating knob assembly 14, the second rotating knob assembly 13 and the third rotating knob assembly 14 are both arranged on the lower end surface of the first rotating knob assembly 12, the second rotating knob assembly 13 is sleeved in the middle part of the third rotating knob assembly 14, the lower end surface of the second rotating knob assembly 13 is provided with a first clamping claw annular groove 15 and a second clamping claw annular groove 16 both arranged in the X direction, the first product clamping jaw 5 and the second product clamping jaw 6 are respectively slidably fitted in the first clamping claw annular groove 15 and the second clamping claw annular groove 16, the outer side of the second rotating knob assembly 13 is provided with two annular openings 17 both arranged in the Y direction, the inner side of the third rotating knob assembly 14 is provided with two annular protrusions 18 both arranged in the Y direction, and the annular opening 17 is adapted to the annular protrusion 18. 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 5 and the second product jaw 6 by setting the first jaw ring groove 15 and the second jaw ring groove 16 and the length of the first jaw ring groove 15 and the second jaw ring groove 16, so that the first product jaw 5 and the second product jaw 6 can adapt to the deflection of the product in the X-axis direction; at the same time, the setting of the ring opening 17 and the ring protrusion 18 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.
[0023] In this embodiment, the lifting module 9 includes two lifting cylinders 19 , which are respectively arranged at two ends of the focusing support frame 1 , and the movable ends of the two lifting cylinders 19 are respectively matched with the two ends of the bevel plate 11 .
[0024] In this embodiment, the focusing mechanism further includes a moving module, which includes an X-axis linear motion module 20, on which a Y-axis linear motion module 21 is provided, on which a Z-axis linear motion module 22 is provided, and the focusing support frame 1 is provided on the Z-axis linear motion module 22. The X-axis linear motion module 20, the Y-axis linear motion module 21, and the Z-axis linear motion module 22 enable the first product clamp 5 and the second product clamp 6 to be moved to the product of the carrier for focusing.
[0025] In this embodiment, the focusing mechanism further includes a second altimeter 23 and a camera module 24. The second altimeter 23 is configured to measure the height of the product on the carrier, and the camera module 24 is configured to take pictures and locate the product on the carrier.
[0026] In this embodiment, the driving motor 2 drives the rotating knob assembly 3 to rotate via a belt 25 .
[0027] In this embodiment, the elastic member 7 is a spring.
[0028] 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 focusing mechanism, characterized in that: The invention comprises a focusing support frame (1), wherein the focusing support frame (1) is provided with a driving motor (2), a rotating knob assembly (3) and a clamping jaw driving module (4), wherein the driving motor (2) drives the rotating knob assembly (3) to rotate, wherein the rotating knob assembly (3) is provided with a first product clamping jaw (5) and a second product clamping jaw (6) which are matched with each other in a sliding manner, and wherein the clamping jaw driving module (4) drives the first product clamping jaw (5) and the second product clamping jaw (6) to open and close; wherein the rotating knob assembly (3) comprises a first rotating knob assembly (12), a second rotating knob assembly (13) and a third rotating knob assembly (14), wherein the second rotating knob assembly (13) and the third rotating knob assembly (14) are both provided on the first rotating knob assembly (12). ), the second rotating knob assembly (13) is sleeved on the middle part of the third rotating knob assembly (14), the lower end surface of the second rotating knob assembly (13) is provided with a first clamping jaw annular groove (15) and a second clamping jaw annular groove (16) both arranged in the X direction, the first product clamping jaw (5) and the second product clamping jaw (6) are respectively slidably fitted in the first clamping jaw annular groove (15) and the second clamping jaw annular groove (16), the outer side of the second rotating knob assembly (13) is provided with two annular openings (17) both arranged in the Y direction, the inner side of the third rotating knob assembly (14) is provided with two annular protrusions (18) both arranged in the Y direction, and the annular openings (17) are adapted to the annular protrusions (18).
2. The focusing mechanism according to claim 1, characterized in that: The clamping jaw driving module (4) comprises an elastic member (7), two bearing plates (8) and a lifting module (9); the elastic member (7) is arranged between the first product clamping jaw (5) and the second product clamping jaw (6); the two bearing plates (8) are arranged on the outer sides of the first product clamping jaw (5) and the second product clamping jaw (6), respectively; the outer sides of the two bearing plates (8) are provided with bearings (10); the lifting module (9) is provided with an angled plate (11); the inner side of the angled plate (11) is an inclined surface; the inner side of the angled plate (11) is matched with the two bearings (10).
3. The focusing mechanism according to claim 2, characterized in that: The lifting module (9) comprises two lifting cylinders (19), the two lifting cylinders (19) being respectively arranged at two ends of the focusing support frame (1), and the movable ends of the two lifting cylinders (19) respectively matching with two ends of the bevel plate (11).
4. The focusing mechanism according to claim 1, characterized in that: The focusing mechanism further comprises a moving module, the moving module comprising an X-axis linear motion module (20), the X-axis linear motion module (20) being provided with a Y-axis linear motion module (21), the Y-axis linear motion module (21) being provided with a Z-axis linear motion module (22), and the focusing support frame (1) being provided with the Z-axis linear motion module (22).
5. The focusing mechanism according to claim 1, characterized in that: The focusing mechanism also includes a second altimeter (23) and a camera module (24).
6. The focusing mechanism according to claim 1, characterized in that: The driving motor (2) drives the rotating knob assembly (3) to rotate via a belt (25).
7. The focusing mechanism according to claim 2, characterized in that: The elastic member (7) is a spring.
Citation Information
Patent Citations
Camera module automatic focusing machine
CN206074972U
Automatic clamping and focusing mechanism for vehicle-mounted camera
CN108881698A
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CN110839118A
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CN111367037A
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CN213028365U