Semi-automatic distortion calibration equipment suitable for camera module

Abstract

The utility model discloses a semi-automatic distortion calibration device suitable for a camera module, which comprises a device frame, a light source testing mechanism and a tool turnover mechanism, the light source testing mechanism and the tool turnover mechanism are arranged on the device frame, and the light source testing mechanism is located on one side of the tool turnover mechanism. The light source testing mechanism comprises a light source assembly and a rotating mechanism used for controlling the light source assembly to rotate, rotating shafts extending in the first direction are arranged on the two sides of the light source assembly, and the light source assembly is rotatably supported on the equipment frame through the rotating shafts on the two sides. The rotating mechanism comprises a first driving device and a linear module installed on the equipment frame in the second direction, the first driving device is connected with the linear module, a sliding table of the linear module is connected with the side edge of the light source assembly, and the second direction is perpendicular to the first direction. According to the utility model, the working efficiency is effectively improved, the first pass yield is improved, scrap is reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of camera module testing, and in particular to a semi-automatic distortion calibration device suitable for a camera module. Background Art

[0002] With the continuous upgrading of camera module technology applications, lean product quality and module distortion testing are also widely used. Correspondingly, in the camera module production process, there is an increasing need to measure product distortion compensation and calibrate distortion at different angles. However, the current status of testing in the industry is that due to equipment structure issues, it is impossible to meet the distortion testing requirements of multiple modules. Existing equipment can only be split into different scenarios and multiple devices to meet the distortion testing requirements. Traditional equipment testing is inefficient, requires a large number of personnel, has a long product testing cycle, and is difficult to manage. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art, and proposes a semi-automatic distortion calibration device suitable for a camera module.

[0004] The technical solution of the present invention is implemented as follows: The present invention discloses a semi-automatic distortion calibration device suitable for a camera module, comprising a device frame and a light source testing mechanism and a tool flipping mechanism arranged on the device frame, wherein the light source testing mechanism is located on one side of the tool flipping mechanism, the light source testing mechanism comprises a light source assembly and a rotating mechanism for controlling the rotation of the light source assembly, and both sides of the light source assembly are provided with a rotating shaft extending along a first direction, and the light source assembly is rotatably supported on the device frame through the rotating shafts on both sides, the rotating mechanism comprises a first driving device and a linear module installed on the device frame along a second direction, the first driving device is connected to the linear module, the slide of the linear module is connected to the side of the light source assembly, and the second direction is perpendicular to the first direction.

[0005] Furthermore, a connecting piece is fixed on the slide of the linear module, and a connecting hole is provided on the connecting piece. At least one first connecting component is provided on the side of the light source component. The first connecting component includes a first slide rail, and a first slider is slidably fitted on the first slide rail. The first slider is provided with a connecting shaft, and the connecting shaft is clearance-fitted in the connecting hole of the connecting piece.

[0006] Furthermore, two first connecting components are symmetrically provided on each side of the light source assembly, and the two first connecting components on each side of the light source assembly are respectively located at the upper and lower ends of the rotating shaft. A second connecting component is fixed on the equipment frame on the same side of the linear module, and the linear module and the second connecting component on the same side are arranged up and down. Two second connecting components are fixed on the other side of the equipment frame, and the two second connecting components on the other side of the equipment frame are arranged up and down. The second connecting component includes a second slide rail installed on the equipment frame along the second direction, and a second slider is slidably fitted on the second slide rail. A connecting member is fixed on the second slider, and the four connecting axes of the light source assembly are respectively clearance-fitted in the connecting holes of the four connecting members on the equipment frame.

[0007] Furthermore, the semi-automatic distortion calibration equipment for camera modules of the present invention also includes a turntable mechanism, which includes a turntable and a second drive device for driving the turntable to rotate horizontally. There are at least two tooling flipping mechanisms, and at least two tooling flipping mechanisms are installed on the turntable of the turntable mechanism.

[0008] Furthermore, there are two tooling turning mechanisms, and the two tooling turning mechanisms are centrally symmetrically arranged about the central axis of the turntable.

[0009] Furthermore, the turntable is connected to the output shaft of the second drive device, the second drive device is fixed to the lower end of the fixed plate set on the equipment frame, the turntable is provided with a first sensor, and the upper end surface of the fixed plate is provided with a first sensing block for cooperating with the first sensor.

[0010] Furthermore, the tooling turning mechanism includes a turning frame and a third driving device for driving the turning frame to rotate. The turning frame is rotatably supported on a vertical plate fixed on the turntable. The turning frame is connected to the output shaft of the third driving device. A tooling platform is fixed on the turning frame.

[0011] Furthermore, the turnover frame includes a mounting plate and side plates located on both sides of the mounting plate, the tooling platform is fixed on the mounting plate, and the side plates are rotatably connected to the vertical plates;

[0012] or / and,

[0013] The third driving device is fixed on the turntable;

[0014] or / and,

[0015] The flip frame is provided with a second sensor, and the vertical plate is provided with a second induction block for cooperating with the second sensor;

[0016] or / and,

[0017] A plurality of module fixture assemblies are installed on each tool turning mechanism, and the plurality of module fixture assemblies are installed side by side on the tooling platform of the tool turning mechanism.

[0018] Furthermore, the light source assembly includes a fixing frame and a light source board. The light source board is fixedly installed in the fixing frame. Rotating shafts are symmetrically provided on both sides of the fixing frame.

[0019] Furthermore, two bearing seats are provided on both sides of the equipment frame, and the rotating shafts on both sides of the light source assembly are rotatably supported in the two bearing seats.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] This distortion calibration device utilizes a dual-channel, four-station cycle mode for module testing. Each station can simultaneously test multiple modules (e.g., four modules). This is achieved through 180° platform rotation and light source rotations of 0°, +30°, and -30°. This reduces waiting time and effectively improves work efficiency. Furthermore, this device improves first-pass yield, reduces scrap, and lowers production costs. This device can detect the module's VCM and LENS distance changes to determine the product's distortion status. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic structural diagram of a viewing angle of a semi-automatic distortion calibration device for a camera module provided by an embodiment of the present utility model;

[0023] Figure 2 for Figure 1 A magnified view of part A;

[0024] Figure 3 A schematic structural diagram of another perspective of a semi-automatic distortion calibration device for a camera module provided by an embodiment of the present invention;

[0025] Figure 4 for Figure 3 A magnified view of part B;

[0026] Figure 5 This is a front view of a semi-automatic distortion calibration device for a camera module provided by an embodiment of the present utility model;

[0027] Figure 6 A side view of a semi-automatic distortion calibration device for a camera module provided by an embodiment of the present utility model;

[0028] Figure 7 The present invention is a schematic structural diagram of a turntable mechanism provided in one embodiment of the present invention.

[0029] In the accompanying drawings, 1 is the equipment frame, 2 is the tooling turning mechanism, 21 is the tooling platform, 22 is the turning frame, 23 is the third driving device, 3 is the turntable, 4 is the light source board, 41 is the rotating shaft, 5 is the first driving device, 6 is the linear module, 7 is the connecting part, 8 is the first connecting component, 81 is the first slide rail, 82 is the first slider, 83 is the connecting shaft, 9 is the second connecting component, 91 is the second slide rail, 92 is the second slider, 10 is the first sensor, 11 is the first sensing block, 12 is the second sensor, 13 is the second sensing block, 14 is the bearing seat, and 15 is the roller. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0031] Unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by people with ordinary skills in the field to which this utility model belongs. The words "first", "second" and similar words used in this utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. A plurality means two or more. Similarly, words such as "one", "an" or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "include" or "comprise" mean that the elements or objects preceding the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0032] In each accompanying drawing, identical element adopts similar reference numeral to represent.For the sake of clarity, each part in the accompanying drawings is not all drawn to scale.In addition, some well-known parts may not be shown in the drawings.

[0033] Many specific details of the present invention are described below, such as component structures, materials, dimensions, processing techniques, and technologies, to provide a clearer understanding of the present invention. However, as will be appreciated by those skilled in the art, the present invention may be implemented without following these specific details.

[0034] See also Figures 1 to 7, an embodiment of the utility model discloses a semi-automatic distortion calibration device suitable for a camera module, comprising a device frame 1 and a light source testing mechanism and a tool flipping mechanism 2 arranged on the device frame 1, wherein the light source testing mechanism is located on one side of the tool flipping mechanism 2, the light source testing mechanism comprises a light source assembly and a rotating mechanism for controlling the rotation of the light source assembly, and both sides of the light source assembly are provided with a rotating shaft 41 extending along a first direction, and the light source assembly is rotatably supported on the device frame 1 through the rotating shaft 41 on both sides, the rotating mechanism comprises a first driving device 5 and a linear module 6 installed on the device frame 1 along a second direction, the first driving device 5 is connected to the linear module 6, the slide of the linear module 6 is connected to the side of the light source assembly, and the second direction is perpendicular to the first direction.

[0035] The present invention can drive the light source assembly to rotate 0°, +30°, and -30° through the linear module 6 .

[0036] In some embodiments, the first driving device 5 is a motor.

[0037] In some embodiments, a roller 15 is provided at the lower end of the equipment frame 1 .

[0038] In some embodiments, the lower end of the equipment frame 1 is provided with a supporting foot.

[0039] In some embodiments, a base plate is installed at the lower end of the equipment frame 1.

[0040] In some embodiments, side panels and a top panel may also be installed on the equipment frame 1 .

[0041] In some embodiments, a power supply and an operation control board may also be installed on the equipment frame 1 .

[0042] In some embodiments, a connecting part 7 is fixed on the slide of the linear module 6, and a connecting hole is provided on the connecting part 7. At least one first connecting component 8 is provided on the side of the light source component. The first connecting component 8 includes a first slide rail 81, and a first slider 82 is slidably fitted on the first slide rail 81. The first slider 82 is provided with a connecting shaft 83, and the connecting shaft 83 is clearance-fitted in the connecting hole of the connecting part 7.

[0043] In some embodiments, two first connecting components 8 are symmetrically provided on each side of the light source assembly, and the two first connecting components 8 on each side of the light source assembly are respectively located at the upper and lower ends of the rotating shaft 41. A second connecting component 9 is fixed on the device frame 1 on the same side of the linear module 6, and the linear module 6 and the second connecting component 9 on the same side are arranged up and down. Two second connecting components 9 are fixed on the other side of the device frame 1, and the two second connecting components 9 on the other side of the device frame 1 are arranged up and down. The second connecting component 9 includes a second slide rail 91 installed on the device frame 1 along the second direction, and a second slider 92 is slidably fitted on the second slide rail 91. A connecting member 7 is fixed on the second slider 92, and the four connecting shafts 83 of the light source assembly are respectively clearance-fitted in the connecting holes of the four connecting members 7 on the device frame 1.

[0044] In some embodiments, a third sensor is provided on the connecting member 7 on the slide of the linear module 6 , and a third sensing block for cooperating with the third sensor is provided on the side of the linear module 6 .

[0045] In some embodiments, the semi-automatic distortion calibration equipment for camera modules of the present invention also includes a turntable mechanism, which includes a turntable 3 and a second driving device for driving the turntable 3 to rotate horizontally. There are at least two tooling flipping mechanisms 2, and at least two tooling flipping mechanisms 2 are installed on the turntable 3 of the turntable mechanism.

[0046] In some embodiments, the second driving device is a motor.

[0047] In this embodiment, there are two tool turning mechanisms 2, which are arranged symmetrically about the central axis of the turntable 3. The second driving device is used to drive the turntable 3 to rotate 180 degrees to switch the tool platform 21 for testing.

[0048] In some embodiments, the turntable 3 is connected to the output shaft of a second drive device, which is fixed to the lower end of a fixed plate provided on the device frame 1. The turntable 3 is provided with a first sensor 10, and the upper end surface of the fixed plate is provided with a first sensing block 11 for cooperating with the first sensor 10. The number and position of the first sensing blocks 11 are set as needed. In this embodiment, there are multiple first sensing blocks 11, which are distributed along the circumference of the turntable 3 to detect the rotational position of the turntable 3.

[0049] In some embodiments, the tooling flipping mechanism 2 includes a flipping frame 22 and a third driving device 23 for driving the flipping frame 22 to rotate. The flipping frame 22 is rotatably supported on a vertical plate fixed on the turntable 3. The flipping frame 22 is connected to the output shaft of the third driving device 23. A tooling platform 21 is fixed on the flipping frame 22.

[0050] In some embodiments, the third driving device 23 is a motor and is used to drive the tooling platform 21 to rotate 90 degrees.

[0051] In some embodiments, the flip frame 22 includes a mounting plate and side plates located on both sides of the mounting plate. The tooling platform 21 is fixed on the mounting plate, and the side plates are rotatably connected to the vertical plates.

[0052] In some embodiments, the third driving device 23 is fixed on the turntable 3 .

[0053] In some embodiments, the flip frame 22 is provided with a second sensor 12, and the vertical plate is provided with two second sensing blocks 13 for cooperating with the second sensor 12. One second sensing block 13 is used to detect the initial position of the flip frame 22 (when the tooling platform 21 is in a horizontal state), and the other second sensing block 13 is used to detect the position of the flip frame 22 after it is flipped 90 degrees (when the tooling platform 21 is in a vertical state).

[0054] The first sensing block 11 and the second sensing block 13 are U-shaped blocks. When the tooling platform 21 is horizontal, the second sensor 12 is located in one second sensing block 13. When the tooling platform 21 is vertical, the second sensor 12 is located in the other second sensing block 13.

[0055] In some embodiments, a plurality of module fixture assemblies are installed on each tool turning mechanism 2 , and the plurality of module fixture assemblies are installed side by side on the tooling platform 21 of the tool turning mechanism 2 .

[0056] In some embodiments, the module fixture assembly includes a fixture for placing the camera module to be tested and a fourth driving device for controlling the opening and closing of the fixture. The fourth driving device may be a cylinder.

[0057] In some embodiments, the light source assembly includes a fixed frame and a light source board 4. The light source board 4 is fixedly mounted within the fixed frame. Rotating shafts 41 are symmetrically provided on either side of the fixed frame. In this embodiment, two first connecting assemblies 8 are symmetrically provided on either side of the fixed frame. The two first connecting assemblies 8 on each side of the fixed frame are located at the upper and lower ends of the rotating shaft 41, respectively.

[0058] In some embodiments, two bearing seats 14 are respectively provided on both sides of the device frame 1, and the rotating shafts 41 on both sides of the light source assembly are rotatably supported in the two bearing seats 14. Furthermore, the bearing seats 14 are provided with bearings.

[0059] The working process of the utility model is: loading - starting - positive 180 degree rotation - 90 degree rotation - 0 degree test - positive 30 degree test - negative 30 degree test - negative 180 degree rotation reset.

[0060] This distortion calibration device utilizes a dual-platform, four-station rotation design, allowing each station to simultaneously test four modules. By rotating the platform 180° and the light source 0°+30°-30°, it detects the varying distances between the module's VCM and LENS lens, determining the product's distortion status. This semi-automatic distortion calibration device, suitable for camera modules, integrates multiple scenarios and meets both burn-in and distortion testing requirements.

[0061] It is understood that the above embodiments are merely exemplary embodiments for illustrating the principles of the present invention, and the present invention is not limited thereto. Those skilled in the art may make various modifications and improvements without departing from the spirit and substance of the present invention, and such modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A semi-automatic distortion calibration device for a camera module, characterized in that: It includes an equipment frame and a light source testing mechanism and a tool turning mechanism arranged on the equipment frame. The light source testing mechanism is located on one side of the tool turning mechanism. The light source testing mechanism includes a light source assembly and a rotating mechanism for controlling the rotation of the light source assembly. Both sides of the light source assembly are provided with rotating shafts extending along a first direction. The light source assembly is rotatably supported on the equipment frame through the rotating shafts on both sides. The rotating mechanism includes a first driving device and a linear module installed on the equipment frame along a second direction. The first driving device is connected to the linear module. The slide of the linear module is connected to the side of the light source assembly. The second direction is perpendicular to the first direction.

2. The semi-automatic distortion calibration device for camera modules according to claim 1, characterized in that: A connecting piece is fixed on the slide table of the linear module, and a connecting hole is provided on the connecting piece. At least one first connecting component is provided on the side of the light source component, and the first connecting component includes a first slide rail, and a first slider is slidably fitted on the first slide rail. A connecting shaft is provided on the first slider, and the connecting shaft is clearance-fitted in the connecting hole of the connecting piece.

3. The semi-automatic distortion calibration device for camera modules according to claim 2, characterized in that: Two first connecting components are symmetrically provided on each side of the light source assembly, and the two first connecting components on each side of the light source assembly are respectively located at the upper and lower ends of the rotating shaft. A second connecting component is fixed on the equipment frame on the same side of the linear module, and the linear module and the second connecting component on the same side are arranged up and down. Two second connecting components are fixed on the other side of the equipment frame, and the two second connecting components on the other side of the equipment frame are arranged up and down. The second connecting component includes a second slide rail installed on the equipment frame along a second direction, a second slider is slidably fitted on the second slide rail, a connecting piece is fixed on the second slider, and the four connecting axes of the light source assembly are respectively clearance-fitted in the connecting holes of the four connecting pieces on the equipment frame.

4. The semi-automatic distortion calibration device for camera modules according to claim 1, characterized in that: It also includes a turntable mechanism, which includes a turntable and a second driving device for driving the turntable to rotate horizontally. There are at least two tooling turning mechanisms, and at least two tooling turning mechanisms are installed on the turntable of the turntable mechanism.

5. The semi-automatic distortion calibration device for camera modules according to claim 4, characterized in that: There are two tooling turning mechanisms, and the two tooling turning mechanisms are centrally symmetrically arranged about the central axis of the turntable.

6. The semi-automatic distortion calibration device for camera modules according to claim 4, characterized in that: The turntable is connected to the output shaft of the second driving device, the second driving device is fixed to the lower end of a fixed plate arranged on the equipment frame, the turntable is provided with a first sensor, and the upper end surface of the fixed plate is provided with a first sensing block for cooperating with the first sensor.

7. The semi-automatic distortion calibration device for camera modules according to claim 1 or 4, characterized in that: The tooling turning mechanism comprises a turning frame and a third driving device for driving the turning frame to rotate. The turning frame is rotatably supported on a vertical plate fixed on the turntable. The turning frame is connected to an output shaft of the third driving device. A tooling platform is fixed on the turning frame.

8. The semi-automatic distortion calibration device for camera modules according to claim 7, characterized in that: The flip frame includes a mounting plate and side plates located on both sides of the mounting plate, the tooling platform is fixed on the mounting plate, and the side plates are rotatably connected to the vertical plates; or / and, The third driving device is fixed on the turntable; or / and, The flip frame is provided with a second sensor, and the vertical plate is provided with a second induction block for cooperating with the second sensor; or / and, A plurality of module fixture assemblies are installed on each tooling turning mechanism, and the plurality of module fixture assemblies are installed side by side on the tooling platform of the tooling turning mechanism.

9. The semi-automatic distortion calibration device for camera modules according to claim 1, characterized in that: The light source assembly comprises a fixing frame and a light source board. The light source board is fixedly installed in the fixing frame. Rotating shafts are symmetrically arranged on both sides of the fixing frame.

10. The semi-automatic distortion calibration device for camera modules according to claim 1, characterized in that: Two bearing seats are respectively arranged on both sides of the equipment frame, and the rotating shafts on both sides of the light source assembly are rotatably supported in the two bearing seats.

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