Multi-axis precision visual detector

Abstract

The utility model discloses a kind of multi-shaft precision visual inspection instruments, it includes workbench and be set on the visual inspection control mechanism of workbench, rotating mechanism, slewing mechanism, visual image mechanism, rotating mechanism includes rotary table and the rotary table motor of transmission connection with rotary table, rotary table is set in the center position of workbench desktop, slewing mechanism includes slewing table and the support rod of being set on slewing table, slewing table center position is vertically set support rod, visual image mechanism is set on slewing mechanism, visual image mechanism includes camera control box, rotating connection shaft, industrial camera connected in turn. The present application is improved by various structures, rotation motion in horizontal plane is realized by setting rotary table, pitching adjustment in vertical plane is realized by setting rotating connection shaft, accurate translation in horizontal direction is realized by horizontal moving mechanism, multiple improvements realize multi-degree-of-freedom combination, meet the demand of accurate detection.

Description

Technical Field

[0001] This utility model relates to the field of visual inspection equipment technology, and in particular to a multi-axis precision visual inspection instrument. Background Technology

[0002] Visual inspection, as one of the technical means of modern industrial quality control, is widely used in many fields such as electronics, automobiles, and precision manufacturing. Multi-axis visual inspection instruments are key equipment for achieving high-precision, all-around inspection of complex workpieces. Currently, most existing multi-axis visual inspection equipment adopts traditional gantry or cantilever structures. These structures typically use the movement of the X, Y, and Z linear axes to drive the camera for spatial positioning. Although these structures can achieve a large range of motion, they have many inherent defects in practical applications: bulky structure, the gantry structure itself is large and requires a robust frame to ensure rigidity; high-speed movement and large inertia affect accuracy and speed, and the large mass of its moving parts generates large inertial forces and vibrations during high-speed start-stop movements, making it difficult to meet the requirements of scenarios with extremely high inspection accuracy and efficiency; limited adjustment freedom and insufficient flexibility, the traditional three-axis Cartesian coordinate system can only provide linear movement in three directions. For workpieces with complex curved surfaces or those requiring observation from specific angles, the camera often cannot be adjusted to the optimal observation posture, easily creating blind spots, leading to incomplete inspection or misjudgment. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a multi-axis precision vision inspection instrument. Through various structural improvements, it achieves rotational motion in the horizontal plane by setting a rotary table, pitch adjustment in the vertical plane by setting a rotating connecting shaft, and precise translation in the horizontal direction by using a horizontal moving mechanism. These improvements enable multi-degree-of-freedom combinations, allowing for flexible and precise adjustment of industrial camera pose, effectively avoiding blind spots, ensuring image clarity and accuracy of inspection results, improving inspection efficiency, and making it suitable for various scenarios.

[0004] This utility model is achieved using the following technical solution:

[0005] A multi-axis precision vision inspection instrument includes a worktable and a vision inspection control mechanism, a rotation mechanism, a slewing mechanism, and a vision imaging mechanism mounted on the worktable. The worktable includes a worktable table and worktable side plates mounted on both sides of the worktable table. The rotation mechanism includes a rotary table and a rotary table motor that is hygienically connected to the rotary table. The rotary table is located at the center of the worktable table. The slewing mechanism includes a rotary table and a support rod mounted on the rotary table. The support rod is vertically mounted at the center of the rotary table. The vision imaging mechanism is mounted on the slewing mechanism and includes a camera control box, a rotating connecting shaft, and an industrial camera connected in sequence.

[0006] Preferably, the vision inspection control mechanism includes a vision inspection control chassis, a PLC controller disposed within the vision inspection control chassis, and a detection display screen, status indicator lights, and control switches disposed on the panel of the vision inspection control chassis; the PLC controller is electrically connected to the detection display screen, status indicator lights, and control switches.

[0007] Preferably, a rotating motor mounting base is provided below the rotating table motor, and the rotating motor mounting base is connected to the bottom of the workbench table; the rotating table motor is electrically connected to the PLC controller.

[0008] Preferably, the camera control box is located on the upper part of the support rod, and an industrial camera is provided on one side of the camera control box; the camera control box is connected to the industrial camera via a rotating connecting shaft.

[0009] Preferably, the camera control box is equipped with a control motor that is drivenly connected to the rotating connecting shaft; the control motor is electrically connected to the PLC controller.

[0010] Preferably, a fill light is provided on the other side of the camera control box; the camera control box is connected to the fill light via a rotating connecting shaft.

[0011] Preferably, the workbench is provided with a horizontal moving mechanism; the horizontal moving mechanism includes, in sequence: a lead screw motor, a lead screw matching the lead screw motor, and a lead screw support base, wherein the lead screw motor is electrically connected to the PLC controller.

[0012] Preferably, the lead screw motor is located on one side of the workbench table; the output end of the lead screw motor is connected to one end of the lead screw, and the other end of the lead screw is connected to the lead screw support.

[0013] Preferably, a lead screw movable seat is connected to the lead screw, and a rotary table is connected to the lead screw movable seat.

[0014] Preferably, the horizontal moving mechanism further includes a guide rail frame, which is mounted on the side plate of the worktable. The guide rail frame is sequentially equipped with a lead screw motor, a lead screw, a lead screw support seat, and a lead screw movable seat; the lead screw movable seat is matched with the lead screw.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention, through various structural improvements, achieves rotational movement in the horizontal plane by setting a rotary table, pitch adjustment in the vertical plane by setting a rotating connecting shaft, and precise translation in the horizontal direction by setting a horizontal moving mechanism. These improvements enable multi-degree-of-freedom combinations, satisfying the flexible and precise adjustment of the industrial camera's pose. The multi-axis precision vision inspection instrument of this application, through multi-axis adjustment, allows the industrial camera to quickly align with various surfaces and complex contours of the workpiece without repeatedly moving and re-clamping the workpiece, enhancing its adaptability to workpieces of different specifications and inspection requirements, and expanding the inspection range. Through various structural improvements, the multi-axis linkage precision mechanical structure ensures high repeatability of camera positioning and attitude adjustment; the lead screw drive and direct motor drive guarantee the accuracy and reliability of the movement, placing the industrial camera at an excellent observation angle, effectively avoiding blind spots, ensuring image clarity and accuracy of inspection results, and improving inspection efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a multi-axis precision vision inspection instrument from the right perspective in this embodiment;

[0018] Figure 2 This is a schematic diagram of the overall three-dimensional structure of a multi-axis precision vision inspection instrument from the main viewpoint in this embodiment;

[0019] Figure 3 This is a schematic diagram of the main view three-dimensional structure of another multi-axis precision vision inspection instrument in this embodiment;

[0020] Figure 4 This is a rear-view stereoscopic structural diagram of another multi-axis precision vision inspection instrument in this embodiment.

[0021] Figure 5 This is a right-view stereoscopic structural diagram of another multi-axis precision vision inspection instrument in this embodiment.

[0022] Explanation of the reference numerals in the figure:

[0023] 1. Workbench; 11. Workbench desktop; 12. Workbench side panel;

[0024] 2. Visual inspection control mechanism; 21. Visual inspection control chassis; 22. Inspection display screen; 23. Status indicator lights; 24. Control switch;

[0025] 3. Rotating mechanism; 31. Rotary table; 32. Rotary table motor; 33. Rotary motor mounting base;

[0026] 4. Rotary mechanism; 41. Rotary table; 42. Support rod;

[0027] 5. Vision imaging mechanism; 51. Camera control box; 52. Rotary connecting shaft; 53. Industrial camera; 54. Fill light;

[0028] 6. Horizontal moving mechanism; 61. Guide rail frame; 62. Lead screw motor; 63. Lead screw; 64. Lead screw support seat; 65. Lead screw movable seat. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0030] See Figures 1 to 5 The multi-axis precision vision inspection instrument provided in this embodiment includes a worktable 1 and a vision inspection control mechanism 2, a rotation mechanism 3, a rotary mechanism 4, and a vision imaging mechanism 5 disposed on the worktable. The worktable 1 includes a worktable tabletop 11 and worktable side plates 12 disposed on both sides of the worktable tabletop 11.

[0031] The rotating mechanism 3 includes a rotating table 31 and a rotating table motor 32 that is connected to the rotating table 31 in a transmission manner; the rotating table 31 is located at the center of the workbench 11.

[0032] The rotary mechanism 4 includes a rotary table 41 and a support rod 42 disposed on the rotary table 41; the support rod 42 is vertically disposed at the center of the rotary table 41.

[0033] The visual imaging mechanism 5 is mounted on the rotary mechanism 4. The visual imaging mechanism 5 includes a camera control box 51, a rotary connecting shaft 52, and an industrial camera 53 connected in sequence.

[0034] The multi-axis precision vision inspection instrument in this embodiment achieves multi-degree-of-freedom combination through various structural improvements. It realizes rotational movement in the horizontal plane by setting a rotary table, pitch adjustment in the vertical plane by setting a rotating connecting shaft, and precise translation in the horizontal direction by setting a horizontal moving mechanism. These improvements enable flexible and precise adjustment of the pose of industrial cameras.

[0035] See Figures 1 to 5The multi-axis precision vision inspection instrument provided in this embodiment includes a worktable 1 and a vision inspection control mechanism 2, a rotation mechanism 3, a slewing mechanism 4, and a vision imaging mechanism 5 disposed on the worktable. The worktable 1 includes a worktable table 11 and worktable side plates 12 disposed on both sides of the worktable table 11. The vision inspection control mechanism 2 includes a vision inspection control housing 21, a PLC controller disposed within the vision inspection control housing 21, and a detection display screen 22, status indicator lights 23, and control switches 24 disposed on the panel of the vision inspection control housing 21. The PLC controller is electrically connected to the detection display screen 22, status indicator lights 23, and control switches 24. The detection display screen 22 is used to display the vision inspection information of the device, and the status indicator lights 23 are used to display the operating status of the device. The vision inspection control housing 21 integrates the control unit of the vision inspection control mechanism 2, making operation intuitive and saving space.

[0036] See Figures 1 to 5 In this embodiment, the rotating mechanism 3 includes a rotating table 31 and a rotating table motor 32 that is connected to the rotating table 31 in a transmission manner; the rotating table 31 is located at the center of the workbench table 11; the rotating table 31 can rotate 360° under the drive of the rotating table motor 32.

[0037] See Figures 1 to 5 In this embodiment, a rotating motor mounting base 33 is provided below the rotating table motor 32, and the rotating motor mounting base 33 is connected to the bottom of the workbench table 11; the rotating table motor 32 is electrically connected to the PLC controller.

[0038] See Figures 1 to 5 In this embodiment, the rotary mechanism 4 includes a rotary table 41 and a support rod 42 disposed on the rotary table 41; the support rod 42 is vertically disposed at the center of the rotary table 41.

[0039] See Figures 1 to 5 In this embodiment, the visual imaging mechanism 5 is mounted on the rotary mechanism 4. The visual imaging mechanism 5 includes a camera control box 51, a rotating connecting shaft 52, and an industrial camera 53 connected in sequence. Both the camera control box 51 and the industrial camera 53 are electrically connected to the PLC controller.

[0040] See Figures 1 to 5 In this embodiment, the camera control box 51 is mounted on the upper part of the support rod 42, and an industrial camera 53 is mounted on one side of the camera control box 51; the camera control box 51 is connected to the industrial camera 53 via a rotating connecting shaft 52.

[0041] See Figures 1 to 5In this embodiment, the camera control box 51 is equipped with a control motor that is drivenly connected to the rotating connecting shaft 52; the control motor is electrically connected to the PLC controller; the control motor drives the connecting shaft 52 to rotate, and the industrial camera 53 connected to the connecting shaft 52 can adjust the pitch angle in the vertical plane.

[0042] See Figures 1 to 5 In this embodiment, a fill light 54 is provided on the other side of the camera control box 51; the camera control box 51 is connected to the fill light 54 via a rotating connecting shaft 52; the industrial camera 53 and the fill light 54 used to provide illumination for it are both provided on the camera control box 51.

[0043] See Figures 1 to 5 In this embodiment, the workbench 1 is provided with a horizontal moving mechanism 6; the horizontal moving mechanism 6 includes, in sequence: a lead screw motor 62, a lead screw 63 that matches the lead screw motor 62, and a lead screw support 64; the lead screw motor 62 is electrically connected to the PLC controller.

[0044] See Figures 1 to 5 In this embodiment, the lead screw motor 62 is disposed on one side of the workbench table 11; the output end of the lead screw motor 62 is connected to one end of the lead screw 63, and the other end of the lead screw 63 is connected to the lead screw support 64; a lead screw movable seat 65 is connected to the lead screw 63, and a rotary table 41 is connected to the lead screw movable seat 65; the horizontal moving mechanism 6 includes a guide rail frame 61, which is disposed on the side plate 12 of the workbench, and the lead screw motor 62, lead screw 63, lead screw support 64, and lead screw movable seat 65 are sequentially disposed on the guide rail frame 61; the lead screw movable seat 65 is matched with the lead screw 63.

[0045] See Figures 3 to 5 In this embodiment, two workbench desktops 11 are symmetrically arranged side by side. A workbench side plate 12 is located in the center of the two workbench desktops 11. A guide rail frame 61 is arranged above the workbench side plate 12. A lead screw motor 62, a lead screw 63, a lead screw support 64, and a lead screw movable seat 65 are arranged sequentially on the guide rail frame 61. A rotary table 41 is connected to the lead screw movable seat 65. The vision imaging mechanism 5 is arranged on the rotary table 41. This arrangement not only ensures that the vision imaging mechanism 5 can rotate through the rotary table 41, but also can be longitudinally displaced through the horizontal moving mechanism 6. Furthermore, it is located in the middle of the two symmetrical workbench desktops 11. During the visual inspection process, the rotary table 41 only needs to rotate a certain angle to complete the inspection of the rotating table 31 of the two workbench desktops 11. With the rotation of the rotary table 31, high-precision and multi-angle visual inspection of parts and products can be performed.

[0046] In summary, the above embodiments of this utility model, through various structural improvements, achieve rotational movement in the horizontal plane by setting a rotary table, pitch adjustment in the vertical plane by setting a rotating connecting shaft, and precise translation in the horizontal direction by setting a horizontal moving mechanism. These improvements enable multi-degree-of-freedom combinations, satisfying the flexible and precise adjustment of the industrial camera's pose. The multi-axis precision vision inspection instrument of this application, through multi-axis adjustment, allows the industrial camera to quickly align with various surfaces and complex contours of the workpiece without repeatedly moving and re-clamping the workpiece, enhancing its adaptability to workpieces of different specifications and inspection requirements, and expanding the inspection range. Through various structural improvements, the multi-axis linkage precision mechanical structure of this utility model ensures high repeatability of camera positioning and attitude adjustment; the lead screw drive and direct motor drive ensure the accuracy and reliability of the movement, placing the industrial camera at an excellent observation angle, effectively avoiding blind spots, ensuring image clarity and accuracy of inspection results, and improving inspection efficiency.

[0047] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A multi-axis precision vision inspection instrument, comprising a worktable and a vision inspection control mechanism, a rotation mechanism, a slewing mechanism, and a vision imaging mechanism disposed on the worktable, characterized in that: The workbench includes a workbench tabletop and workbench side panels disposed on both sides of the workbench tabletop; the rotating mechanism includes a rotary table and a rotary table motor that is hygienically connected to the rotary table; the rotary table is disposed at the center of the workbench tabletop; the rotary mechanism includes a rotary table and a support rod disposed on the rotary table; the support rod is vertically disposed at the center of the rotary table; the vision imaging mechanism is disposed on the rotary mechanism, and the vision imaging mechanism includes a camera control box, a rotating connecting shaft, and an industrial camera connected in sequence.

2. The multi-axis precision vision inspection instrument according to claim 1, characterized in that: The vision inspection control mechanism includes a vision inspection control chassis, a PLC controller installed inside the vision inspection control chassis, and a detection display screen, status indicator lights, and control switches installed on the panel of the vision inspection control chassis; the PLC controller is electrically connected to the detection display screen, status indicator lights, and control switches.

3. The multi-axis precision vision inspection instrument according to claim 2, characterized in that: A rotating motor mounting base is provided below the rotating table motor, and the rotating motor mounting base is connected to the bottom of the workbench table; the rotating table motor is electrically connected to the PLC controller.

4. The multi-axis precision vision inspection instrument according to claim 2, characterized in that: The camera control box is mounted on the upper part of the support rod, and an industrial camera is mounted on one side of the camera control box; the camera control box is connected to the industrial camera via a rotating connecting shaft.

5. The multi-axis precision vision inspection instrument according to claim 4, characterized in that: The camera control box is equipped with a control motor that is driven by the rotating connecting shaft; the control motor is electrically connected to the PLC controller.

6. The multi-axis precision vision inspection instrument according to claim 5, characterized in that: A fill light is provided on the other side of the camera control box; the camera control box is connected to the fill light via a rotating connecting shaft.

7. The multi-axis precision vision inspection instrument according to claim 2, characterized in that: The workbench is equipped with a horizontal moving mechanism; the horizontal moving mechanism includes, in sequence: a lead screw motor, a lead screw matching the lead screw motor, and a lead screw support base, wherein the lead screw motor is electrically connected to the PLC controller.

8. The multi-axis precision vision inspection instrument according to claim 7, characterized in that: The lead screw motor is mounted on one side of the workbench table; the output end of the lead screw motor is connected to one end of the lead screw, and the other end of the lead screw is connected to the lead screw support.

9. The multi-axis precision vision inspection instrument according to claim 7, characterized in that: A movable lead screw seat is connected to the lead screw, and a rotary table is connected to the movable lead screw seat.

10. The multi-axis precision vision inspection instrument according to claim 9, characterized in that: The horizontal moving mechanism also includes a guide rail frame, which is set on the side plate of the worktable. The guide rail frame is sequentially equipped with a lead screw motor, a lead screw, a lead screw support seat, and a lead screw movable seat; the lead screw movable seat matches the lead screw.

Images