AOI mobile detection device

Abstract

The utility model provides an AOI mobile detection device, and belongs to the technical field of automatic optical detection. The AOI mobile detection device comprises a plurality of mounting racks, a position adjusting assembly and a control system, the plurality of mounting racks are arranged along a first direction, and each mounting rack is provided with an operation table for placing a to-be-detected piece; the position adjusting assembly is installed on the multiple installation frames in the first direction, an AOI camera is arranged on the position adjusting assembly, the AOI camera is located above the work table, and the position adjusting assembly is used for driving the AOI camera to move in the first direction so as to detect the to-be-detected piece; the control system is electrically connected with the position adjusting assembly and the AOI camera. According to the AOI mobile detection device, the AOI camera moves back and forth among the plurality of mounting racks, so that the to-be-detected piece on any mounting rack is detected, and the detection efficiency and the detection precision are improved.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of automatic optical inspection, and particularly relates to an AOI mobile detection device. BACKGROUND

[0002] AOI (Automatic Optical Inspection) is a method of using optical technology to automatically detect defects, errors or malfunctions of products in the manufacturing process, which has been widely used in the field of industrial manufacturing, especially in the field of electronic manufacturing and assembly.

[0003] At present, liquid crystal screen manufacturing enterprises generally use automatic optical detection technology (AOI) for picture defect detection of liquid crystal screens. The existing AOI detection equipment generally meets the batch manufacturing scene, that is, before mass production, the AOI engineer adjusts the parameters of the AOI according to the characteristics and parameters of the screen, and then the operator performs batch operation according to the adjusted parameters.

[0004] However, the existing AOI detection equipment needs to set different parameters according to different screens, and the form is fixed and the position is single, which cannot be adjusted and used according to different products, and it is difficult to detect the product to be detected more accurately, resulting in low detection efficiency and detection precision.

[0005] In view of the above problems, a new AOI mobile detection device is provided. CONTENT OF THE INVENTION

[0006] The purpose of the present disclosure is to overcome the shortcomings of the prior art, provide an AOI mobile detection device, realize the use according to the different adjustment positions of the product, and realize the improvement of the detection efficiency and detection precision of the AOI.

[0007] In order to achieve the above-mentioned purpose of the utility model, the present disclosure adopts the following technical scheme:

[0008] An AOI mobile detection device comprises a plurality of mounting racks, a position adjusting assembly and a control system.

[0009] The mounting racks are arranged along a first direction, and a workbench for placing a detection piece is arranged on the mounting rack.

[0010] The position adjusting assembly is installed on the mounting racks along the first direction, and an AOI camera is arranged on the position adjusting assembly. The AOI camera is located above the workbench, and the position adjusting assembly is used to drive the AOI camera to move along the first direction to detect the detection piece.

[0011] The control system is electrically connected with the position adjusting assembly and the AOI camera.

[0012] In an example embodiment of the present disclosure, the mounting frame comprises a first frame body and a second frame body located in the first frame body, and the workbench is mounted on the second frame body, and the first frame body and the second frame body are respectively provided with openings on the same side;

[0013] The position adjusting assembly is mounted on the frame of the opening side of the second frame body, one end of the position adjusting assembly is mounted on the first second frame body, and the other end of the position adjusting assembly is mounted on the last second frame body, and the position adjusting assembly can drive the AOI camera to move between the first second frame body and the last second frame body.

[0014] In an example embodiment of the present disclosure, the two adjacent mounting frames and the workbenches thereon are symmetrically arranged.

[0015] In an example embodiment of the present disclosure, the position adjusting assembly comprises:

[0016] A guide rail is arranged at the bottom end of the top frame of the opening side of the plurality of second frame bodies in the first direction, a sliding block is slidably arranged on the guide rail, and fixed blocks are arranged at both ends of the guide rail, respectively;

[0017] A lead screw is arranged below the guide rail in the first direction, the lead screw is rotatably mounted between the two fixed blocks, one end of the lead screw is connected with the output end of a motor through the same side fixed block, and the motor is arranged at the bottom end of the top frame of the second frame body;

[0018] A moving block is mounted at the bottom end of the sliding block, and the moving block is threadedly connected with the lead screw;

[0019] An installation block is arranged on the sliding block, the AOI camera is arranged on the installation block, and the installation block can move with the sliding block.

[0020] In an example embodiment of the present disclosure, the bottom end of the sliding block is provided with an installation plate, and the moving block is arranged at the bottom end of the installation plate;

[0021] The installation block is arranged at one end of the installation plate.

[0022] In an example embodiment of the present disclosure, the position adjusting assembly further comprises a sensing assembly, and the sensing assembly comprises a sensing member;

[0023] The sensing member is arranged at the other end of the installation plate, and the sensing member and the installation block are respectively located on both sides of the guide rail;

[0024] A plurality of second frame bodies are respectively detachably provided with a sensing sheet, one end of the sensing sheet away from the installation block is detachably provided with a sensing block, and the sensing block can be inductively coupled with the sensing member.

[0025] In an example embodiment of the present disclosure, a plurality of through holes are arranged on the top end of the second frame body at equal intervals, at least one guide hole is arranged on the inductive sheet and matched with the through holes, and the through holes and the guide holes are connected by bolts.

[0026] In an example embodiment of the present disclosure, the first frame body is provided with an FFU fan filter facing the workbench, and the second frame body is provided with a storage rack.

[0027] In an example embodiment of the present disclosure, a call button is arranged on the mounting rack, and the call button is electrically connected with the control system.

[0028] In an example embodiment of the present disclosure, the control system comprises a control box.

[0029] The control box is arranged on the mounting rack, and the control box is provided with a PLC controller, a power module, a data processing module and a wireless communication module. The PLC controller is electrically connected with the position adjusting assembly, the AOI camera, the power module, the data processing module and the wireless communication module, and the wireless communication module is wirelessly connected with a remote monitoring platform.

[0030] The present disclosure has the following advantages:

[0031] (1) The present disclosure drives the AOI camera to move back and forth between a plurality of mounting racks by the position adjusting assembly, realizes detection of products to be detected on the workbench of any mounting rack, realizes random adjustment of the position of the AOI camera according to different products, improves the utilization rate of the AOI detection equipment, and improves the detection efficiency and detection accuracy of the AOI detection equipment.

[0032] (2) The present disclosure is suitable for multi-variety and small-batch production mode, improves the application range of the AOI detection equipment, facilitates the use of the AOI detection equipment, and reduces the investment cost of the AOI detection equipment. BRIEF DESCRIPTION OF DRAWINGS

[0033] The drawings herein are incorporated into the specification and form part of the specification, show embodiments consistent with the present disclosure, and together with the specification serve to explain the principles of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained from these drawings without creative labor for those skilled in the art.

[0034] Figure 1 In an embodiment of the present disclosure, the overall schematic diagram of the AOI mobile detection device is shown in the figure.

[0035] Figure 2FIG. 1 is a schematic view of a position adjusting assembly according to an embodiment of the present disclosure;

[0036] Figure 3 FIG. 2 is a schematic view of a position adjusting assembly according to an embodiment of the present disclosure, Figure 2 FIG. 3 is an enlarged view of A in FIG. 2;

[0037] Figure 4 FIG. 4 is a schematic view of a position adjusting assembly according to an embodiment of the present disclosure, Figure 2 FIG. 5 is a schematic view of A in FIG. 4;

[0038] Figure 5 FIG. 6 is a top view of a position adjusting assembly according to an embodiment of the present disclosure.

[0039] BRIEF DESCRIPTION OF DRAWINGS

[0040] 1, mounting frame; 101, first frame body; 102, second frame body; 2, workbench; 3, guide rail; 4, sliding block; 5, fixed block; 6, screw rod; 7, motor; 8, moving block; 9, mounting block; 10, mounting plate; 11, inductive piece; 12, inductive sheet; 13, inductive block; 14, through hole; 15, guide hole; 16, storage rack; 17, control box. DETAILED DESCRIPTION

[0041] Example embodiments now will be described more fully hereinafter with reference to the accompanying drawings. Example embodiments, however, can be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of example embodiments to those skilled in the art. Like reference numerals refer to like elements throughout the specification. Additionally, the drawings are merely schematic and are not drawn to scale.

[0042] While relative terms such as "upper," "lower," etc. are used herein to describe one component's relationship to another component of the icon, such terminology is used herein for convenience only and only in the particular view of the examples depicted in the drawings. It is understood that if the icon were turned over so that its upper and lower sides were reversed, the component described as being "upper" would then be "lower." When a structure is "on" another structure, it can mean that the structure is formed integrally with the other structure, or that the structure is "directly" on the other structure, or that the structure is "indirectly" on the other structure via another structure.

[0043] The terms "one", "a", "an", "said", and "the" are used to indicate the presence of one or more elements / supplements / etc.; the terms "include" and "have" are used to indicate an open-ended inclusion and refer to the presence of additional elements / supplements / etc. in addition to the listed elements / supplements / etc.; the terms "first", "second", and "third" are used only as markers and are not a limitation on the number of their objects.

[0044] The present disclosure provides an AOI mobile detection device, which comprises a plurality of mounting racks 1, a position adjusting assembly, and a control system. Figure 1 The plurality of mounting racks 1 are arranged along a first direction f1, and a workbench 2 for placing a detection object is arranged on each mounting rack 1. The position adjusting assembly is installed on the plurality of mounting racks 1 along the first direction f1, and an AOI camera is arranged on the position adjusting assembly. The AOI camera is located above the workbench 2, and the position adjusting assembly is used to drive the AOI camera to move along the first direction f1 to detect the detection object. The control system is electrically connected to the position adjusting assembly and the AOI camera.

[0045] In the present disclosure, the AOI mobile detection device comprises a plurality of mounting racks 1, a position adjusting assembly, and a control system. The plurality of mounting racks 1 are arranged along a first direction f1, and a workbench 2 for placing a detection object is arranged on each mounting rack 1. The position adjusting assembly is installed on the plurality of mounting racks 1 along the first direction f1, and an AOI camera is arranged on the position adjusting assembly. The position adjusting assembly is used to drive the AOI camera to move along the first direction f1 to detect the detection object.

[0046] Compared with the existing AOI detection device, the AOI mobile detection device drives the AOI camera to move back and forth between the plurality of mounting racks through the position adjusting assembly, realizes the detection of the detection object on the workbench of any mounting rack, realizes the random adjustment of the position of the AOI camera according to the different products, improves the operation rate of the AOI detection device, and improves the detection efficiency and detection accuracy of the AOI detection device.

[0047] In one embodiment of the present disclosure, referring to Figure 1 and Figure 2The mounting frame 1 comprises a first frame body 101 and a second frame body 102 located in the first frame body 101, the workbench 2 is installed on the second frame body 102, and the first frame body 101 and the second frame body 102 are respectively provided with openings on the same side; the position adjusting assembly is installed on the frame of the opening side of the second frame body 102, one end of the position adjusting assembly is installed on the first second frame body 102, and the other end of the position adjusting assembly is installed on the last second frame body 102, and the position adjusting assembly can drive the AOI camera to move between the first second frame body 102 and the last second frame body 102. In this way, the operator can conveniently place the to-be-detected piece on the workbench 2, the operator can conveniently operate the AOI detection equipment to detect the to-be-detected piece, and the detection efficiency is improved.

[0048] Optionally, the first frame body 101 and the second frame body 102 can be fixed to the ground.

[0049] In an embodiment of the present disclosure, referring to Figure 1 , the adjacent two mounting frames 1 and the workbenches 2 thereon are symmetrically arranged. In this way, the position adjusting assembly can be conveniently installed on the plurality of mounting frames 1, and the AOI camera can be conveniently moved in the plurality of mounting frames 1.

[0050] It can be understood that the adjacent two first frame bodies 101 can abut each other or be equidistantly distributed.

[0051] In an embodiment of the present disclosure, referring to Figures 1 to 4 , the position adjusting assembly comprises: a guide rail 3 arranged at the bottom end of the top frame of the plurality of second frame bodies 102 in the first direction f1, a sliding block 4 slidingly arranged on the guide rail 3, and a fixed block 5 arranged at both ends of the guide rail 3; a lead screw 6 arranged below the guide rail 3 in the first direction f1, the lead screw 6 being rotatably installed between the two fixed blocks 5, one end of the lead screw 6 penetrating through the same side fixed block 5 and connected with the output end of a motor 7, and the motor 7 being arranged at the bottom end of the top frame of the second frame body 102; a moving block 8 installed at the bottom end of the sliding block 4, the moving block 8 being threadedly connected with the lead screw 6; and a mounting block 9 arranged on the sliding block 4, an AOI camera being arranged on the mounting block 9, and the mounting block 9 being capable of moving with the sliding block 4. In this way, the AOI camera can be uniformly driven to move in the plurality of mounting frames 1 in the first direction f1, the AOI camera can conveniently detect the to-be-detected pieces on different workbenches 2, and the detection efficiency and detection accuracy of the AOI detection equipment are improved.

[0052] It should be noted that the plurality of second frame bodies 102 arranged in the first direction f1 are connected as a whole through the guide rail 3.

[0053] Optionally, one of the two fixed blocks 5 is fixedly installed on the first second frame body 102, and the other is fixedly installed on the last second frame body 102.

[0054] Optionally, the motor 7 can be installed on the first second frame body 102 or the last second frame body 102.

[0055] In an example, the motor 7 is installed at the bottom end of the top frame of the first second frame body 102.

[0056] It can be understood that the motor 7 drives the screw rod 6 to rotate, drives the moving block 8 to move along the first direction f1 through the threaded transmission between the screw rod 6 and the moving block 8, drives the sliding block 4 to move along the first direction f1 on the guide rail 3, and drives the mounting block 9 and the AOI camera thereon to move along the first direction f1, so as to detect the workpieces at different positions.

[0057] In an embodiment of the present disclosure, referring to Figure 3 and Figure 4 , the bottom end of the sliding block 4 is provided with a mounting plate 10, the moving block 8 is arranged at the bottom end of the mounting plate 10, and the mounting block 9 is arranged at one end of the mounting plate 10. In this way, the mounting block 9 and the AOI camera thereon can be conveniently driven to move along the first direction f1.

[0058] Optionally, the mounting plate 10 is L-shaped in cross section, and the L-shaped mounting plate 10 is horizontally arranged between the sliding block 4 and the moving block 8.

[0059] In an example, the mounting block 9 is arranged at the top end of the short side of the L-shaped mounting plate 10.

[0060] In an embodiment of the present disclosure, referring to Figure 4 and Figure 5 , the position adjusting assembly further comprises a sensing assembly, the sensing assembly comprising a sensing piece 11; the sensing piece 11 is arranged at the other end of the mounting plate 10, the sensing piece 11 and the mounting block 9 are respectively located on the two sides of the guide rail 3; a plurality of sensing sheets 12 are detachably arranged at the top end of the plurality of second frame bodies 102, and a sensing block 13 is detachably arranged at the end of the sensing sheet 12 away from the mounting block 9, the sensing block 13 can be inductively coupled with the sensing piece 11. In this way, the detection position of the AOI camera on each second frame body 102 can be determined, the product to be detected can be conveniently placed on the workbench 2 for detection, and the detection accuracy of the AOI detection equipment is improved.

[0061] Optionally, the plurality of sensing sheets 12 can be installed at the same position of the plurality of second frame bodies 102 or at different positions of the plurality of second frame bodies 102.

[0062] It can be understood that the sliding block 4 drives the AOI camera to move along the first direction f1, drives the sensing piece 11 to move along the first direction f1, and when the sensing piece 11 and the sensing block 13 are inductively coupled, the AOI camera stops moving, the AOI camera is positioned and started, and the product on the workbench 2 is detected.

[0063] In an embodiment of the present disclosure, referring to Figure 4 The second frame body 102 is provided with a plurality of through holes 14 distributed at equal intervals at the top end, and the inductive sheet 12 is provided with at least one guide hole 15 matched with the through holes 14, and the through holes 14 and the guide holes 15 are connected by bolts. In this way, the installation position of the inductive sheet 12 can be adjusted as needed, the positioning position of the AOI camera can be adjusted, the detection position of the AOI camera can be adjusted, and the detection of different types and specifications of products can be facilitated.

[0064] In an embodiment of the present disclosure, the first frame body 101 is provided with an FFU fan filter facing the workbench 2. In this way, the workbench 2 can be blown to maintain the cleanliness of the surface of the workbench 2 and avoid failure of the product to be detected.

[0065] Optionally, the second frame body 102 is provided with a storage rack 16. In this way, tools used for detection and products after detection can be classified and stored.

[0066] In an embodiment of the present disclosure, the mounting rack 1 is provided with a call button, and the call button is electrically connected with the control system. In this way, the AOI detection equipment can be started and stopped at any time according to the different positions of the to-be-detected pieces, and the to-be-detected pieces in different positions can be detected.

[0067] It can be understood that when the to-be-detected product is placed on a certain workbench 2, the call button is pressed, the control system starts the position adjusting assembly, and the AOI camera is moved to above the workbench 2 along the first direction f1 to detect the to-be-detected product.

[0068] In an embodiment of the present disclosure, referring to Figure 1 The control system comprises a control box 17; the control box 17 is arranged on the mounting rack 1, and the control box 17 is provided with a PLC controller, a power module, a data processing module, and a wireless communication module; the PLC controller is electrically connected with the position adjusting assembly, the AOI camera, the power module, the data processing module, and the wireless communication module; and the wireless communication module is wirelessly connected with a remote monitoring platform. In this way, the AOI mobile detection device can be intelligently and remotely operated, the detection efficiency of the AOI detection equipment can be improved, and the use of the AOI mobile detection device can be facilitated.

[0069] In an embodiment of the present disclosure, in the initial state, the AOI camera is located at a standby point, and the standby point can be between two adjacent mounting racks 1.

[0070] In an embodiment of the present disclosure, referring to Figures 1 to 5 The working process of the AOI mobile detection device is briefly described as follows:

[0071] In use, before detection, the AOI camera is located at a standby point, when the operator places the product to be detected on the workbench 2 of a certain mounting rack 1, presses the call button on the mounting rack 1, at this time, the PLC controller sends a control command, starts the motor 7, drives the screw rod 6 to rotate, drives the moving block 8 to move along the first direction f1 through the threaded transmission between the screw rod 6 and the moving block 8, drives the sliding block 4 to move along the first direction f1 on the guide rail 3, drives the mounting block 9 and the AOI camera thereon to move along the first direction f1, the AOI camera moves to the mounting rack 1, when the inductive block 13 on the mounting rack 1 and the inductive piece 11 are inducted, the AOI camera is moved to the position, the PLC controller closes the motor 7, and starts the AOI camera to detect the product to be detected, when the detection is completed, the AOI camera sends an end signal to the PLC controller, the PLC controller closes the AOI camera and starts the motor 7 to move the AOI camera back to the standby point; when the product on the workbench 2 of another mounting rack 1 needs to be detected, press the call button on the mounting rack 1, the PLC controller controls the position adjusting assembly to move the AOI camera to the specified position on the mounting rack 1, starts the AOI camera to detect the product to be detected, after the detection is completed, the PLC controller closes the AOI camera and moves the AOI camera back to the standby point.

[0072] Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the present disclosure being indicated by the following claims.

Claims

1. An AOI movement detection apparatus, characterized by, The device comprises a plurality of installation racks (1), a position adjusting assembly and a control system. The plurality of installation racks (1) are arranged along a first direction, and a workbench (2) for placing a to-be-detected piece is arranged on the installation rack (1). The position adjusting assembly is installed on the plurality of installation racks (1) along the first direction, and an AOI camera is arranged on the position adjusting assembly and located above the workbench (2), and the position adjusting assembly is used for driving the AOI camera to move along the first direction to detect the to-be-detected piece. The control system is electrically connected with the position adjusting assembly and the AOI camera respectively.

2. The AOI movement detection apparatus of claim 1, wherein The installation rack (1) comprises a first rack body (101) and a second rack body (102) located in the first rack body (101), the workbench (2) is installed on the second rack body (102), and the first rack body (101) and the second rack body (102) are respectively provided with openings on the same side. The position adjusting assembly is installed on the frame of the opening side of the second rack body (102), one end of the position adjusting assembly is installed on the first second rack body (102), and the other end of the position adjusting assembly is installed on the last second rack body (102), and the position adjusting assembly can drive the AOI camera to move between the first second rack body (102) and the last second rack body (102).

3. The AOI movement detection apparatus of claim 2, wherein The two adjacent installation racks (1) and the workbenches (2) thereon are symmetrically arranged.

4. The AOI movement detection apparatus of claim 2, wherein The position adjusting assembly comprises: A guide rail (3) is arranged at the bottom end of the top frame of the opening side of the plurality of second rack bodies (102) along the first direction, a sliding block (4) is slidably arranged on the guide rail (3), and fixed blocks (5) are arranged at both ends of the guide rail (3). A lead screw (6) is arranged below the guide rail (3) along the first direction, the lead screw (6) is rotatably installed between the two fixed blocks (5), one end of the lead screw (6) penetrates through the same side fixed block (5) and is connected with the output end of a motor (7), and the motor (7) is arranged at the bottom end of the top frame of the second rack body (102). A moving block (8) is installed at the bottom end of the sliding block (4), and the moving block (8) is threadedly connected with the lead screw (6). An installation block (9) is arranged on the sliding block (4), the AOI camera is arranged on the installation block (9), and the installation block (9) can move with the sliding block (4).

5. The AOI movement detection apparatus of claim 4, wherein An installation plate (10) is arranged at the bottom end of the sliding block (4), and the moving block (8) is arranged at the bottom end of the installation plate (10). The installation block (9) is arranged at one end of the installation plate (10).

6. The AOI movement detection apparatus of claim 5, wherein The position adjusting assembly further comprises a sensing assembly, and the sensing assembly comprises a sensing piece (11). The sensing piece (11) is arranged at the other end of the installation plate (10), and the sensing piece (11) and the installation block (9) are located on the two sides of the guide rail (3) respectively. A plurality of second frame bodies (102) are respectively detachably provided with induction sheets (12) at the top ends, and the induction sheets (12) are detachably provided with induction blocks (13) at the ends away from the mounting blocks (9), and the induction blocks (13) can be inductively coupled with the induction pieces (11).

7. The AOI movement detection apparatus of claim 6, wherein A plurality of through holes (14) are arranged at the top ends of the second frame bodies (102) at equal distances, and at least one guide hole (15) matched with the through holes (14) is arranged on the induction sheet (12), and the through holes (14) and the guide holes (15) are connected by bolts.

8. The AOI movement detection apparatus of claim 2, wherein An FFU fan filter is arranged on the first frame body (101) and faces the workbench (2), and a storage rack (16) is arranged on the second frame body (102).

9. The AOI motion detection apparatus of claim 1, wherein, A call button is arranged on the mounting rack (1) and is electrically connected with the control system.

10. The AOI motion detection apparatus of claim 1, wherein, The control system comprises a control box (17). The control box (17) is arranged on the mounting rack (1), and a PLC controller, a power module, a data processing module and a wireless communication module are arranged in the control box (17), the PLC controller is electrically connected with the position adjusting assembly, the AOI camera, the power module, the data processing module and the wireless communication module, and the wireless communication module is wirelessly connected with a remote monitoring platform.

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