Single gradient curvature display panel detection device
By designing a single-body gradient curvature display panel detection device in curvature detection, the multi-directional movement and arc rotation of the curved surface morphological panel is achieved using the X-axis, Z-axis and Q-axis modules, which solves the high curvature detection cost in the prior art The problem of interference with the camera improves detection accuracy and stability.
Patent Information
- Application Number
- CN202420085272.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-01-12
AI Technical Summary
In the existing curvature detection methods, Robot has high cost, the detection camera needs to move and the accuracy requirements are high, resulting in low picture shooting accuracy; multiple detection cameras are costly to use, and are prone to camera interference, affecting detection efficiency.
Design a single-body gradient curvature display panel detection device, including X-axis module, Z-axis module and Q-axis module, and realize horizontal, vertical movement and arc-shaped rotation of the curved surface form panel through the combination of these modules. Fixed detection cameras perform optical detection, reducing dependence on the number of detection cameras and Robot.
Accurate detection of any section of curvature arc of flexible vehicle panels is achieved, which reduces detection costs, improves picture stability and accuracy, and avoids camera interference problems.
Smart Images
Figure CN222297500U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of curvature measurement, and in particular to a detection device for a single-body gradient curvature display panel. Background Art
[0002] Curvature is a measure of the unevenness of a geometric body. It is a very important mathematical concept that describes the degree of curvature of a curve. It has a wide range of applications. For example, in the field of transportation, curvature can help design safer and more efficient road systems. Curvature is also used in vehicle bodies to reflect the flatness of the body panels, which is convenient for improving the smoothness of the body.
[0003] Among the existing methods of detecting curvature, there are several ways to measure. One method is to install the workstation detection camera on a multi-axis Robot, and control the workstation detection camera through the multi-axis Robot to adapt to the curvature of the flexible panel product to take pictures; the other method is to set multiple detection cameras above the flexible panel product to take pictures at the same time.
[0004] However, in the method of using Robot, the cost of Robot is relatively high, the detection camera needs to move to take pictures, the camera has high requirements on the accuracy of shaking, and the moving picture affects the accuracy of the picture; the camera needs to take pictures multiple times, and the unit detection cycle is relatively long; in the method of using multiple detection cameras, the camera cost is relatively high, the detection camera takes a single shot, the unit detection cycle is relatively short, the installation space of the unit camera is limited, and interference between cameras is likely to occur.
[0005] Therefore, based on the above technical problems, there is an urgent need for a single-body gradient curvature display panel detection device to solve the above problems. Utility Model Content
[0006] In order to solve the above technical problems, the present application provides a single-body gradient curvature display panel detection device, which can reduce the cost of curvature detection.
[0007] The present application provides a single-body gradient curvature display panel detection device, comprising:
[0008] X-axis module, Z-axis module, Q-axis module and detection camera;
[0009] A sliding plate is arranged above the X-axis module, the Z-axis module is located above the sliding plate and connected to the sliding plate, and the X-axis module is used to control the horizontal movement of the sliding plate;
[0010] A connecting plate is arranged above the Z-axis module, the Q-axis module is located above the connecting plate and connected to the connecting plate, and the Z-axis module is used to control the vertical movement of the connecting plate;
[0011] A jig is provided on the upper surface of the Q-axis module, and the jig is used to fix the curved surface panel. The detection camera is fixed above the curved surface panel, and the shooting direction of the detection camera is toward the curved surface panel. The Q-axis module is used to control the rotation of the jig.
[0012] Optionally, the Q-axis module includes a first servo motor and a rotating plate, the jig is connected above the rotating plate, and first support plates are respectively provided on both sides below the rotating plate;
[0013] The connecting plate is provided with upwardly protruding second support plates on both sides, the first support plates are aligned with the first support plates, and the rotating shaft of the first servo motor passes through the second support plates and is connected to the first support plates, so that the first servo motor controls the rotation of the rotating plate through the rotating shaft.
[0014] Optionally, the first support plate and the second support plate are connected via a ball bearing.
[0015] Optionally, the detection device further includes a reducer, one end of which is connected to the rotating shaft of the first servo motor, and the other end of which is connected to the first support plate.
[0016] Optionally, a plurality of through holes are provided on the rotating plate, so that screws pass through the through holes to be fixedly connected with the first supporting plate.
[0017] Optionally, a fixing column is provided between the second support plates, and the fixing column is parallel to the connecting plate.
[0018] Optionally, the X-axis module includes a second servo motor, a first screw module and an X-axis guide rail, the second servo motor is connected to the first screw module, the first screw module is connected below the sliding plate, and the X-axis guide rail is located on both sides of the first screw module;
[0019] A sliding block is provided below the sliding plate, and the sliding block is connected to the X-axis guide rail. The second servo motor is used to control the movement of the first screw module.
[0020] Optionally, the Z-axis module includes a third servo motor, a second screw module, and a Z-axis guide rail;
[0021] The sliding plate is provided with a vertical stand plate, and the Z-axis guide rail is vertically connected to one side of the stand plate;
[0022] The third servo motor is connected to the second screw module, and the third servo motor and the second screw module are respectively located on two sides of the vertical plate;
[0023] The connecting plate is provided with a sliding column extending downward, and the sliding column is connected to the Z-axis guide rail. The two ends of the second screw module are respectively abutted against the sliding plate and the connecting plate. The third servo motor cooperates with the second screw module to control the distance between the sliding plate and the connecting plate.
[0024] Optionally, the second screw module is connected to the third servo motor via a connecting seat, and an upper surface of the connecting seat abuts against the connecting plate.
[0025] Optionally, the connecting seat is located above the vertical plate, and the connecting seat and the vertical plate are vertically arranged.
[0026] It can be seen from the above technical solutions that this application has the following effects:
[0027] The present application connects the Z-axis module in the middle of the X-axis module and the Q-axis module, the X-axis module is used to control the horizontal movement of the Z-axis module and the Q-axis module, the Z-axis module is used to control the vertical movement of the Q-axis module, the curved surface panel is fixed on the jig, the jig is fixed on the Q-axis module, the curved surface panel is controlled by the Q-axis module to rotate in an arc, the detection camera is fixed above the curved surface panel, and the curved surface panel is optically detected by the detection camera. The connection and coordination of the above three modules realizes vertical and horizontal movement and arc rotation, and positioning and photographing of any curvature arc of the flexible panel can be achieved, thereby realizing the detection of a single-body flexible vehicle-mounted panel with a gradual curvature. Compared with the prior art, the present application reduces the use of Robot and the number of detection cameras, thereby reducing the cost of detection, and optimizes the structure of curvature detection, avoiding the problem of interference between multiple detection cameras. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the technical solution in the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0029] Figure 1 This is a schematic diagram of the overall structure of a single-body gradient curvature display panel detection device of the present application;
[0030] Figure 2 This is a structural schematic diagram of a Q-axis module in a single-body gradient curvature display panel detection device of the present application;
[0031] Figure 3 This is a structural schematic diagram of a Z-axis module in a single-body gradient curvature display panel detection device of the present application;
[0032] Figure 4 This is a structural schematic diagram of an X-axis module in a single-body gradient curvature display panel detection device of the present application;
[0033] Figure 5 This is a schematic diagram of the combination of an X-axis module and a Z-axis module in a single-body gradient curvature display panel detection device of the present application;
[0034] Figure 6 This is a schematic diagram of the combination of a third servo motor and a second screw rod module in a single-body gradient curvature display panel detection device of the present application;
[0035] Figure 7 This is a schematic diagram of the connection between a reducer and a first servo motor in a single-body gradient curvature display panel detection device of the present application. DETAILED DESCRIPTION
[0036] In the present utility model, the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “front”, “back”, “top”, “bottom”, “inside”, “outside”, “middle”, “vertical”, “horizontal”, “lateral” and “longitudinal” are based on the directions or positional relationships shown in the accompanying drawings and are only used to illustrate the relative positional relationships between the components or parts, and do not particularly limit the specific installation directions of the components or parts.
[0037] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
[0038] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0039] In addition, the structures, proportions, sizes, etc. drawn in the drawings in the present application are only used to match the contents disclosed in the specification for the technical personnel in this field to understand and read, and are not used to limit the restrictive conditions under which the present application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present application without affecting the effects and purposes that can be achieved by the present application.
[0040] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0041] The present application provides a single-body gradient curvature display panel detection device, which is used to reduce the cost of curvature detection. The present application is applicable to single-body gradient curvature flexible vehicle panel equipment; for example: AMT, AFT, AJU and other MDL segment detection equipment, AOI, uniformity, LMK and other detection unit applications. The specific implementation process of the present application is described as follows.
[0042] See also Figures 1 to 7 The present application provides a single-body gradient curvature display panel detection device, comprising:
[0043] X-axis module, Z-axis module, Q-axis module and detection camera 8; a sliding plate 4 is arranged above the X-axis module, the Z-axis module is located above the sliding plate 4 and connected to the sliding plate 4, and the X-axis module is used to control the horizontal movement of the sliding plate 4; a connecting plate 5 is arranged above the Z-axis module, the Q-axis module is located above the connecting plate 5 and connected to the connecting plate 5, and the Z-axis module is used to control the vertical movement of the connecting plate 5; a jig 6 is arranged on the upper surface of the Q-axis module, the jig 6 is used to fix the curved surface panel 7, the detection camera 8 is fixed above the curved surface panel 7, and the shooting direction of the detection camera 8 is toward the curved surface panel 7, and the Q-axis module is used to control the rotation of the jig 6.
[0044] In actual use, the X-axis module is in a fixed state, the sliding plate 4 is connected to the X-axis module, the X-axis module can control the sliding plate 4 to move in the horizontal direction, the Z-axis module is fixed on the sliding plate 4, and moves with the movement of the sliding plate 4; the Z-axis module has two parts, one part is connected to the sliding plate 4, and the other part is connected to the connecting plate 5. When the Z-axis module is running, the two parts move upward and downward respectively, thereby realizing the up and down movement of the connecting plate 5; the Q-axis module is connected to the connecting plate 5, and the Q-axis module is used to control the jig 6 to rotate with the Q-axis module as the fulcrum, thereby the curved surface panel 7 can realize horizontal and vertical movement, as well as arc-shaped rotation.
[0045] The Q-axis module includes a first servo motor 31 and a rotating plate 32. The jig 6 is connected to the top of the rotating plate 32. The first support plates 33 are respectively arranged on both sides of the bottom of the rotating plate 32. The second support plates 51 protruding upward are respectively arranged on both sides of the connecting plate 5. The first support plate 33 and the second support plate 51 are arranged opposite to each other. The rotating shaft of the first servo motor 31 passes through the second support plate 51 and is connected to the first support plate 33, so that the first servo motor 31 rotates the rotating plate 32 through the rotating shaft control value; specifically, the distance between the two first support plates 33 is greater than the distance between the two second support plates 51. The first servo motor 31 is located between the two second support plates 51, and the rotating shaft of the first servo motor 31 passes through the second support plate 51 on one side and is connected to the first support plate 33 on the side. When the first servo motor 31 is running, the first support plate 33 rotates around the rotating shaft, thereby realizing the arc rotation of the curved surface morphology panel 7. The first servo motor 31 is fixed to the inner side of the second support plate 51 on one side.
[0046] In this embodiment, an X-axis module, a Z-axis module and a Q-axis module are set, the Z-axis module is connected to the top of the X-axis module through a sliding plate 4, and the Q-axis module is connected to the top of the Z-axis module through a connecting plate 5. Through the coordination of the three modules, horizontal and vertical movement and arc-shaped rotation can be achieved. While realizing the detection of the gradual curvature of a single body, the cost can be reduced and the stability and accuracy of image capture can be improved.
[0047] In one embodiment, please refer to Figure 2 A ball bearing is arranged between the first support plate 33 and the second support plate 51 , and the roller bearing is covered by the bearing end cover 35 , and the free rotation between the first support plate 33 and the second support plate 51 is achieved through the high-precision ball bearing.
[0048] In another embodiment, the present application also includes a reducer 34, one end of the reducer 34 is connected to the rotating shaft of the first servo motor 31, and the other end is connected to the first support plate 33. In practice, the reducer 34 passes through the second support plate 41 and is connected to the first support plate 33. The reducer drives the first support plate 33 to rotate under the drive of the first servo motor 31.
[0049] Optionally, a plurality of through holes are provided on the rotating plate 32, and the rotating plate 32 is connected to the first support plate 33 by screws. Specifically, the screws pass through the through holes from top to bottom and are screwed into the first support plate 33 to achieve the connection between the first support plate 33 and the rotating plate 32. By providing a plurality of through holes, the positions and distances of the first support plates 33 on both sides can be changed, so that the Q-axis module can be a Z-axis module of other models and sizes.
[0050] Optionally, a fixing column 36 is provided between the second support plates 51, the fixing column 36 is parallel to the connecting plate 5, both ends of the fixing column 36 respectively pass through the second support plates 51 on both sides, and the end is embedded in the limiting groove of the first support plate 33, the fixing column 36 is used to limit the rotation angle of the rotating plate 32, and the fixing column 36 can play a reinforcing role between the second support plates 51.
[0051] In one embodiment, please refer to Figure 4 , the X-axis module includes a second servo motor 11, a first screw module 12 and an X-axis guide rail 13, the second servo motor 11 is connected to the first screw module 12, the first screw module 12 is connected below the sliding plate 4, the X-axis guide rail 13 is located on both sides of the first screw module 12, a slider is provided below the sliding plate 4, the slider is connected to the X-axis guide rail 13, and the second servo motor 11 is used to control the first screw module 12 to move horizontally. In this embodiment, the first screw module 12 is parallel to the X-axis guide rails 13 on both sides, the position of the second servo motor 11 is in a fixed state, the first screw module 12 is connected to the shaft end of the second servo motor 11, and when the second servo motor 11 is running, the first screw module 12 realizes horizontal movement.
[0052] It can be understood that guide rail mounting plates are provided on both sides of the first screw module 12, the guide rail mounting plates are located below the X-axis guide rail 13, and the X-axis guide rail 13 is fixed on the guide rail mounting plates, and the guide rail mounting plates on both sides are arranged in parallel.
[0053] In one embodiment, please refer to Figure 3 The Z-axis module includes a third servo motor 21, a second screw module 22, and a Z-axis guide rail 23. A vertical vertical plate 9 is arranged on the sliding plate 4. The Z-axis guide rail 23 is vertically connected to one side of the vertical plate. The third servo motor 21 is connected to the second screw module 22, and the third servo motor 21 and the second screw module 22 are respectively located on both sides of the vertical plate 9. The connecting plate 5 is provided with a sliding column 24 extending downward, and the sliding column 24 is connected to the Z-axis guide rail 9. The two ends of the second screw module 22 are respectively abutted on the sliding plate 4 and the connecting plate 5. The third servo motor 21 and the second screw module 22 cooperate to control the distance between the sliding plate 4 and the connecting plate 5. Specifically, the four corners of the connecting plate 5 are each provided with a downwardly extending sliding column 24, and the Z-axis guide rail 23 is only provided on one side of the vertical plate 9, that is, only two sliding columns 24 are connected to the Z-axis guide rail 23, and the two ends of the second screw module 22 can be extended and retracted under the drive of the third servo motor 21, and the second screw module 22 is vertically arranged between the sliding plate 4 and the connecting plate 5. Therefore, the distance between the sliding plate 4 and the connecting plate 5 is changed by the cooperation of the third servo motor 21 and the second screw module 22, so as to realize the up and down movement of the connecting plate 5.
[0054] The Z-axis guide rail 23 is a linear guide rail, and the Z-axis guide rail 23 is connected to the vertical plate 9 through a guide rail mounting plate. Specifically, the guide rail mounting plate is vertically mounted on the vertical plate 9, and the Z-axis guide rail 23 is mounted on the end surface of the guide rail mounting plate.
[0055] In another embodiment, the second screw module 22 is connected to the third servo motor 21 via a connecting seat 25, and the upper surface of the connecting seat 25 abuts against the connecting plate 5. In actual use, the third servo motor 21, the connecting seat 25 and the upper end of the second screw module 22 all move upward, and the lower end of the second screw module 22 abuts against the sliding plate 4. It should be noted that the connecting seat 25 is a part of the second screw module 22, and the second screw module 22 is connected to the third servo motor 21 via the connecting seat 25.
[0056] Optionally, the connection seat 25 is located above the vertical plate 9, and the connection seat 25 and the vertical plate are vertically arranged.
[0057] In the present application, the first servo motor 31, the second servo motor 11 and the third servo motor 21 are all connected to a power supply and electrically connected to a control system. The operation of the three servo motors is controlled by the control system, thereby realizing the automatic adjustment of the position of the curved surface panel 7 of the present application.
[0058] The first servo motor 31 drives and precisely controls the rotation angle of the rotating plate 32, and its repeated positioning accuracy is ≤15 arc-sec.
[0059] The present application has the following advantages: 1. The detection camera is fixed, which effectively improves the stability and accuracy of the camera; 2. The cost is low; 3. The present application is compatible with the detection of flat panels. By setting a high-precision first screw module 12 and a high-precision second screw module 22, the accuracy of horizontal and vertical movement can be improved.
[0060] It should be noted that the above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present application. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A single-body gradient curvature display panel detection device, characterized in that: include: X-axis module, Z-axis module, Q-axis module and detection camera; A sliding plate is arranged above the X-axis module, the Z-axis module is located above the sliding plate and connected to the sliding plate, and the X-axis module is used to control the horizontal movement of the sliding plate; A connecting plate is arranged above the Z-axis module, the Q-axis module is located above the connecting plate and connected to the connecting plate, and the Z-axis module is used to control the vertical movement of the connecting plate; A jig is provided on the upper surface of the Q-axis module, and the jig is used to fix the curved surface panel. The detection camera is fixed above the curved surface panel, and the shooting direction of the detection camera is toward the curved surface panel. The Q-axis module is used to control the rotation of the jig.
2. The single body gradient curvature display panel detection device according to claim 1, characterized in that: The Q-axis module includes a first servo motor and a rotating plate, the jig is connected above the rotating plate, and first support plates are respectively provided on both sides below the rotating plate; The connecting plate is provided with upwardly protruding second support plates on both sides, the first support plates are aligned with the first support plates, and the rotating shaft of the first servo motor passes through the second support plates and is connected to the first support plates, so that the first servo motor controls the rotation of the rotating plate through the rotating shaft.
3. The detection device for a single-body gradient curvature display panel according to claim 2, characterized in that: The first support plate and the second support plate are connected via a ball bearing.
4. The single body gradient curvature display panel detection device according to claim 2 or 3, characterized in that: The single-body gradient curvature display panel detection device further includes a reducer, one end of which is connected to the rotating shaft of the first servo motor, and the other end of which is connected to the first support plate.
5. The single body gradient curvature display panel detection device according to claim 2 or 3, characterized in that: The rotating plate is provided with a plurality of through holes, so that screws pass through the through holes and are fixedly connected to the first supporting plate.
6. The single body gradient curvature display panel detection device according to claim 2 or 3, characterized in that: A fixing column is arranged between the second supporting plates, and the fixing column is parallel to the connecting plate.
7. The single body gradient curvature display panel detection device according to any one of claims 1 to 3, characterized in that: The X-axis module includes a second servo motor, a first screw module and an X-axis guide rail, the second servo motor is connected to the first screw module, the first screw module is connected below the sliding plate, and the X-axis guide rail is located on both sides of the first screw module; A sliding block is provided below the sliding plate, and the sliding block is connected to the X-axis guide rail. The second servo motor is used to control the movement of the first screw module.
8. The single body gradient curvature display panel detection device according to any one of claims 1 to 3, characterized in that: The Z-axis module includes a third servo motor, a second screw module, and a Z-axis guide rail; The sliding plate is provided with a vertical stand plate, and the Z-axis guide rail is vertically connected to one side of the stand plate; The third servo motor is connected to the second screw module, and the third servo motor and the second screw module are respectively located on two sides of the vertical plate; The connecting plate is provided with a sliding column extending downward, and the sliding column is connected to the Z-axis guide rail. The two ends of the second screw module are respectively abutted against the sliding plate and the connecting plate. The third servo motor cooperates with the second screw module to control the distance between the sliding plate and the connecting plate.
9. The detection device for a single-body gradient curvature display panel according to claim 8, characterized in that: The second screw module is connected to the third servo motor via a connecting seat, and the upper surface of the connecting seat abuts against the connecting plate.
10. The detection device for a single-body gradient curvature display panel according to claim 9, characterized in that: The connecting seat is located above the vertical plate, and the connecting seat and the vertical plate are vertically arranged.