Visual inspection mechanism and inspection equipment
By designing a vision inspection mechanism, the problem of shaking when the robotic arm moves the camera was solved, enabling stable movement of the camera in the X, Y, and Z directions. This ensured image clarity and inspection accuracy, and improved the efficiency and accuracy of printed circuit board inspection.
Patent Information
- Application Number
- CN202422846709.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-21
AI Technical Summary
In existing technologies, there is a shaking problem when the robotic arm moves the camera, resulting in unclear images captured by the camera and affecting the accuracy of printed circuit board inspection.
A visual inspection mechanism is adopted, including a first X-axis drive, a second X-axis drive, a synchronizer, a Y-axis drive, a Z-axis drive, and a camera. The camera is installed in parallel intervals and connected to the synchronizer to ensure the stability of the camera's movement in the X, Y, and Z directions. Combined with a ring light fixture, it provides a bright field of view and improves the clarity of the image.
It improves the image clarity and detection accuracy of the camera, enhances the applicability and versatility of visual inspection agencies, and improves the efficiency and accuracy of printed circuit board inspection.
Smart Images

Figure CN223581805U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the automatic detection technical field, especially, relate to a visual inspection mechanism and detection equipment. BACKGROUND
[0002] Printed circuit board is also called printed circuit board, is the provider of electronic component electrical connection, adopts printed circuit board and can significantly reduce wiring and assembly error, improves productivity and automation level. Printed circuit board needs to be detected after being made, the traditional method is through artificial comparison detection method, along with printed circuit board more and more complex structure, this detection method becomes time -consuming and labor -intensive, and the accuracy is difficult to guarantee, thus gradually changes into automatic detection method.
[0003] The existing automatic detection method is to collect the surface image of the printed circuit board, and then compare it with the standard circuit board image information. This method has been widely used and various types of detection equipment have appeared.
[0004] The detection equipment usually uses a camera to take pictures of the printed circuit board. In the prior art, the camera is usually installed on a mechanical arm, and the mechanical arm can move the camera to enable the camera to take pictures of different parts of the printed circuit board. However, during the movement of the mechanical arm driving the camera, the camera has a shaking phenomenon, and the images taken by the camera have the technical problem of being unclear. SUMMARY
[0005] The utility model solves the technical problem of the camera shaking during the movement of the mechanical arm driving the camera in the prior art, and provides a visual inspection mechanism.
[0006] In view of the above problems, the visual inspection mechanism provided by the embodiments of the utility model comprises a first X-direction driving element, a second X-direction driving element, a synchronizer, a Y-direction driving element, a Z-direction driving element and a camera.
[0007] The Z-direction driving element is installed on the Y-direction driving element, and the camera is installed on the Z-direction driving element.
[0008] Optionally, the visual inspection mechanism further comprises a support plate and a ring-shaped lamp, the support plate is installed on the Z-direction driving element, the camera and the ring-shaped lamp are both installed on the support plate, and the camera is located directly above the through hole of the ring-shaped lamp.
[0009] The utility model discloses another embodiment still provides a kind of detection equipment, including support box, conveying guide rail and above-mentioned visual inspection mechanism, be equipped with internal space on the support box, the visual inspection mechanism is installed in the internal space;The conveying guide rail is through the internal space, and it is used to convey the piece to be detected;The camera is used to photograph the piece to be detected on the conveying guide rail.
[0010] Optionally, the support box is also provided with an electric control space, and the detection equipment further includes a display screen installed on the support box and a controller installed in the electric control space; the controller is electrically connected with the display screen, the camera, the first X-direction driving member, the Y-direction driving member and the Z-direction driving member.
[0011] Optionally, the detection equipment further includes a mouse, a keyboard and a turning plate rotatably installed on the support box, the mouse and the keyboard are both installed on the support box, and the mouse and the keyboard are both electrically connected with the controller.
[0012] Optionally, the support box includes a top box, a bottom box, a first support arm and a second support arm; the internal space is arranged on the top box, and the electric control space is arranged on the bottom box; the display screen is installed on the side wall of the top box;
[0013] the first support arm and the second support arm are spaced apart and installed on the bottom box, and the first support arm and the second support arm are respectively connected to the opposite two outer walls of the top box; the opposite two ends of the turning plate are rotatably installed on the first support arm and the second support arm, respectively.
[0014] Optionally, the detection equipment further includes an adapter arm, the adapter arm includes a first rotating shaft, a second rotating shaft, a mounting plate, an extension arm and a mounting rack; one end of the extension arm is rotatably installed on the mounting plate through the first rotating shaft, the other end of the extension arm is rotatably installed on the mounting rack through the second rotating shaft, and the first rotating shaft and the second rotating shaft are arranged in parallel;
[0015] the mounting plate is installed on the side plate of the support box, and the display screen is installed on the mounting rack.
[0016] Optionally, the support box is also provided with an observation window communicating with the internal space, and the detection equipment further includes a sealing plate, which is installed on the support box and used to block the observation window.
[0017] Optionally, the detection equipment further includes a jacking driving member and a blocking member installed on the output end of the jacking driving member; the jacking driving member is used to drive the blocking member to extend above the conveying guide rail, so as to block the piece to be detected in the detection station of the camera.
[0018] The first X-direction driving member and the second X-direction driving member are parallel and spaced apart and are installed on the Y-direction driving member, and the synchronizer is connected between the first X-direction driving member and the second X-direction driving member; the Z-direction driving member is installed on the Y-direction driving member, and the camera is installed on the Z-direction driving member; the first X-direction driving member and the second X-direction driving member can support the Y-direction driving member from both ends, ensuring the stability of the Y-direction driving member, the Z-direction driving member and the camera during movement, thereby ensuring the definition of the photographed image of the camera and improving the detection precision of the to-be-detected piece. In addition, the visual detection mechanism can drive the camera to move along the X-direction, the Y-direction and the Z-direction, so that the camera can photograph different parts of the to-be-detected piece, improving the applicability and versatility of the visual detection mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model is further illustrated below in combination with the drawings and embodiments.
[0020] Figure 1 A structural schematic view of a visual detection mechanism provided by an embodiment of the utility model is shown in the figure.
[0021] Figure 2 A structural schematic view of a detection device provided by an embodiment of the utility model is shown in the figure.
[0022] Figure 3 A partial structural schematic view of a detection device provided by an embodiment of the utility model is shown in the figure.
[0023] Figure 4 A structural schematic view of a display screen of a detection device provided by an embodiment of the utility model installed on a switching arm is shown in the figure.
[0024] The reference signs in the description are as follows:
[0025] 1, visual detection mechanism; 11, first X-direction driving member; 12, second X-direction driving member; 13, synchronizer; 14, Y-direction driving member; 15, Z-direction driving member; 16, camera; 17, support plate; 18, ring-shaped lamp; 2, support box; 21, top box; 22, bottom box; 23, first support arm; 24, second support arm; 3, conveying guide rail; 4, display screen; 5, flap; 6, switching arm; 61, first rotating shaft; 62, second rotating shaft; 63, mounting plate; 64, extension arm; 65, mounting rack; 7, sealing plate; 8, jacking driving member; 9, blocking piece; 100, to-be-detected piece. DETAILED DESCRIPTION
[0026] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.
[0027] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0028] As shown in Figure 1 The utility model provides a kind of visual inspection mechanism 1, including first X direction driving piece 11, second X direction driving piece 12, synchronizer 13, Y direction driving piece 14, Z direction driving piece 15 and camera 16;First X direction driving piece 11 and the second X direction driving piece 12 are installed on Y direction driving piece 14 with parallel interval, and synchronizer 13 is connected between first X direction driving piece 11 and second X direction driving piece 12;It can be understood that first X direction driving piece 11, second X direction driving piece 12, Y direction driving piece 14 and Z direction driving piece 15 include but are not limited to linear motor, air cylinder, hydraulic cylinder and screw nut mechanism etc.
[0029] Z direction driving piece 15 is installed on Y direction driving piece 14, and camera 16 is installed on Z direction driving piece 15;It can be understood that synchronizer 13 can ensure that first X direction driving piece 11 and second X direction driving piece 12 are driven along Y direction by Y direction driving piece 14 synchronously, Y direction driving piece 14 can drive Z direction driving piece 15 along Z direction, and Z direction driving piece 15 can drive camera 16 along Z direction.
[0030] The utility model discloses a first X direction drive 11 and second X direction drive 12 parallel interval installation on Y direction drive 14, the synchronizer 13 is connected between first X direction drive 11 and second X direction drive 12, Z direction drive 15 is installed on Y direction drive 14, camera 16 is installed on Z direction drive 15, first X direction drive 11 and second X direction drive 12 can play the role of supporting Y direction drive 14 from both ends, guarantee Y direction drive 14, Z direction drive 15 and the stability in the movement process of camera 16, thereby guarantee the definition of the photographing image of camera 16, improve the detection precision of the detection piece 100. In addition, the visual detection mechanism 1 can drive camera 16 moves along X, Y and Z, so that camera 16 can photograph the different parts of detection piece 100, improve the applicability and versatility of the visual detection mechanism 1.
[0031] In an embodiment, as shown in Figure 1 The utility model discloses a first X direction drive 11 and second X direction drive 12 parallel interval installation on Y direction drive 14, the synchronizer 13 is connected between first X direction drive 11 and second X direction drive 12, Z direction drive 15 is installed on Y direction drive 14, camera 16 is installed on Z direction drive 15, first X direction drive 11 and second X direction drive 12 can play the role of supporting Y direction drive 14 from both ends, guarantee Y direction drive 14, Z direction drive 15 and the stability in the movement process of camera 16, thereby guarantee the definition of the photographing image of camera 16, improve the detection precision of the detection piece 100. In addition, the visual detection mechanism 1 can drive camera 16 moves along X, Y and Z, so that camera 16 can photograph the different parts of detection piece 100, improve the applicability and versatility of the visual detection mechanism 1.
[0032] As shown in Figures 1 to 3 The utility model discloses a first X direction drive 11 and second X direction drive 12 parallel interval installation on Y direction drive 14, the synchronizer 13 is connected between first X direction drive 11 and second X direction drive 12, Z direction drive 15 is installed on Y direction drive 14, camera 16 is installed on Z direction drive 15, first X direction drive 11 and second X direction drive 12 can play the role of supporting Y direction drive 14 from both ends, guarantee Y direction drive 14, Z direction drive 15 and the stability in the movement process of camera 16, thereby guarantee the definition of the photographing image of camera 16, improve the detection precision of the detection piece 100. In addition, the visual detection mechanism 1 can drive camera 16 moves along X, Y and Z, so that camera 16 can photograph the different parts of detection piece 100, improve the applicability and versatility of the visual detection mechanism 1.
[0033] The utility model discloses a visual inspection mechanism 1 is installed in the inside space of support box 2, camera 16 can be to the detection piece 100 on the conveying guide rail 3 carries out the photograph, and controller etc. are according to the photograph of camera 16 shooting to judge the detection piece 100 whether is qualified, the conveying guide rail 3 runs through the inside space, so that the detection piece 100 can be loaded from the one end of support box 2 to the conveying guide rail 3 (the loading of detection piece 100), the conveying guide rail 3 will be detected piece 100 and be delivered to the inside space, and camera 16 carries out the photograph to the detection piece 100, and the conveying guide rail 3 will be detected piece 100 and be delivered to the other end of support box 2 (the unloading of detection piece 100), and this detection equipment has higher degree of automation, improves the detection efficiency of detection piece 100.
[0034] In an embodiment, as shown in Figure 2 The detection device further includes a display screen 4 installed on the support box 2 and a controller (not shown in the figure) installed in the electric control space; the controller is electrically connected with the display screen 4, the camera 16, the first X-direction driving member 11, the Y-direction driving member 14 and the Z-direction driving member 15. Understandably, the display screen 4 can display whether the detection piece 100 detected by the camera 16 is a qualified product, and the staff can remove the unqualified detection piece 100 on the conveying guide rail 3 according to the content on the display screen 4.
[0035] In an embodiment, as shown in Figure 2 The detection device further includes a mouse (not shown in the figure), a keyboard (not shown in the figure) and a turning plate 5 rotatably installed on the support box 2, the mouse and the keyboard are both installed on the support box 2, and the mouse and the keyboard are both electrically connected with the controller. Understandably, the keyboard and the mouse can perform relevant operations on the display screen 4. In this embodiment, when the turning plate 5 is in a standing state, the turning plate 5 can hide the mouse and the keyboard between the outer wall of the support box 2 and the turning plate 5; when the turning plate 5 is in a horizontal state, the user can operate the keyboard and the mouse.
[0036] In an embodiment, as shown in Figure 2As shown, the support box 2 comprises a top box 21, a bottom box 22, a first support arm 23 and a second support arm 24; the internal space is arranged on the top box 21, the electric control space is arranged on the bottom box 22, and the display screen 4 is installed on the side wall of the top box 21; the first support arm 23 and the second support arm 24 are spacedly installed on the bottom box 22, and the first support arm 23 and the second support arm 24 are respectively connected to the opposite two outer walls of the top box 21; and the opposite two ends of the flap 5 are respectively rotationally installed on the first support arm 23 and the second support arm 24.
[0037] It can be understood that the first support arm and the second support arm 24 are respectively installed on the left and right sides of the top of the bottom box 22 and extend upwards; and the first support arm 23 and the second support arm 24 are respectively connected to the left and right outer walls of the top box 21. In this embodiment, the support box 2 is designed in a split type of the bottom box 22 and the top box 21, thereby reducing the manufacturing cost of the support box 2.
[0038] In an embodiment, as shown in Figure 4 As shown, the detection device further comprises an adapter arm 6, the adapter arm 6 comprises a first rotating shaft 61, a second rotating shaft 62, a mounting plate 63, an extension arm 64 and a mounting rack 65; one end of the extension arm 64 is rotationally installed on the mounting plate 63 through the first rotating shaft 61, the other end of the extension arm 64 is rotationally installed on the mounting rack 65 through the second rotating shaft 62, and the first rotating shaft 61 and the second rotating shaft 62 are arranged in parallel; the mounting plate 63 is installed on the side plate of the support box 2, and the display screen 4 is installed on the mounting rack 65.
[0039] In this embodiment, the extension arm 64 can rotate around the first rotating shaft 61, and the mounting rack 65 can rotate around the second rotating shaft 62, so that the worker can adjust the display screen 4 to a suitable angle through the adapter arm 6.
[0040] In an embodiment, as shown in Figure 2 As shown, the support box 2 is further provided with an observation window communicating with the internal space, and the detection device further comprises a sealing plate 7 installed on the support box 2 and used for sealing the observation window. It can be understood that the observation window can be arranged on the left side or the right side of the top box 21, and the user can remove the sealing plate 7 and observe the visual detection mechanism 1 through the observation window.
[0041] In an embodiment, as shown in Figure 3As shown, the detection device further comprises a jacking drive 8 and a blocking piece 9 installed at the output end of the jacking drive 8; the jacking drive 8 is used to drive the blocking piece 9 to extend above the conveying guide rail 3 so as to block the to-be-detected piece 100 at the detection station of the camera 16. It can be understood that the jacking drive 8 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, a linear motor, etc., and the jacking drive 8 is installed below the conveying guide rail 3.
[0042] Specifically, in the process of conveying the to-be-detected piece 100 by the conveying guide rail 3, the jacking drive 8 is used to drive the blocking piece 9 to extend above the conveying guide rail 3, so that the blocking piece 9 can block the to-be-detected piece 100 on the conveying guide rail 3 at the detection station, at this time, the camera 16 can detect the to-be-detected piece 100 on the detection station; when the camera 16 completes the detection of the to-be-detected piece 100, the jacking drive 8 drives the blocking piece 9 to retreat to below the conveying guide rail 3, and the conveying guide rail 3 conveys the to-be-detected piece 100 to the unloading station. In the embodiment, the design of the jacking drive 8 and the blocking piece 9 makes the conveying guide rail 3 be able to accurately position the to-be-detected piece 100 at the detection station.
[0043] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A vision inspection mechanism, characterized by, The visual detection device comprises a first X-direction driving member, a second X-direction driving member, a synchronizer, a Y-direction driving member, a Z-direction driving member and a camera; the first X-direction driving member and the second X-direction driving member are installed in parallel and at intervals on the Y-direction driving member, and the synchronizer is connected between the first X-direction driving member and the second X-direction driving member; The Z-direction driving member is installed on the Y-direction driving member, and the camera is installed on the Z-direction driving member.
2. The vision inspection mechanism of claim 1, wherein, The visual detection device further comprises a support plate and a ring-shaped lamp, the support plate is installed on the Z-direction driving member, the camera and the ring-shaped lamp are both installed on the support plate, and the camera is located directly above a through hole of the ring-shaped lamp.
3. A detection device, characterized by The visual detection device further comprises a support box, a conveying guide rail and a visual detection mechanism as claimed in claim 1 or 2, the support box is provided with an internal space, the visual detection mechanism is installed in the internal space, the conveying guide rail penetrates through the internal space and is used for conveying a piece to be detected, and the camera is used for shooting the piece to be detected on the conveying guide rail.
4. The detection device of claim 3, wherein, The support box is further provided with an electric control space, the detection device further comprises a display screen installed on the support box and a controller installed in the electric control space, and the controller is electrically connected with the display screen, the camera, the first X-direction driving member, the Y-direction driving member and the Z-direction driving member.
5. The detection device of claim 4, wherein, The detection device further comprises a mouse, a keyboard and a turning plate rotatably installed on the support box, the mouse and the keyboard are both installed on the support box, and the mouse and the keyboard are both electrically connected with the controller.
6. The detection device of claim 5, wherein, The support box comprises a top box, a bottom box, a first support arm and a second support arm, the internal space is arranged on the top box, the electric control space is arranged on the bottom box, and the display screen is installed on a side wall of the top box; the first support arm and the second support arm are installed at intervals on the bottom box and are respectively connected with opposite two outer walls of the top box, and opposite two ends of the turning plate are rotatably installed on the first support arm and the second support arm respectively.
7. The detection device of claim 4, wherein, The detection device further comprises an adapter arm, the adapter arm comprises a first rotating shaft, a second rotating shaft, a mounting plate, an extension arm and a mounting rack, one end of the extension arm is rotatably installed on the mounting plate through the first rotating shaft, the other end of the extension arm is rotatably installed on the mounting rack through the second rotating shaft, and the first rotating shaft and the second rotating shaft are arranged in parallel; the mounting plate is installed on a side plate of the support box, and the display screen is installed on the mounting rack.
8. The detection device of claim 3, wherein, The support box is further provided with an observation window communicating with the internal space, and the detection device further comprises a sealing plate, the sealing plate is installed on the support box and is used for sealing the observation window.
9. The detection device of claim 3, wherein, The detection device further comprises a jacking driving member and a blocking member installed on an output end of the jacking driving member, the jacking driving member is used for driving the blocking member to extend above the conveying guide rail so as to block the piece to be detected at a detection station of the camera.