CN108957802B - Visual detection equipment for LCD - Google Patents
Visual detection equipment for LCD Download PDFInfo
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- CN108957802B CN108957802B CN201810801469.3A CN201810801469A CN108957802B CN 108957802 B CN108957802 B CN 108957802B CN 201810801469 A CN201810801469 A CN 201810801469A CN 108957802 B CN108957802 B CN 108957802B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
The invention discloses a visual inspection device for an LCD, comprising: the device comprises a fixed platform, a three-station turntable device, a camera detection device, a feeding robot and a discharging robot; during the use, the material loading robot adsorbs LCD and removes to the LCD carrier layer board of material loading station, later rotates three station carousels, rotates LCD carrier layer board to one side of camera detection device, accomplishes the detection after, rotates three station carousels once more for LCD carrier layer board rotates the unloading station, and unloading robot shifts out the LCD that accomplishes visual detection from the LCD carrier layer board of unloading station, accomplishes the detection of this LCD, and at this in-process, material loading, detection and unloading can be gone on simultaneously, save product handling time, optimize the work beat, improve detection efficiency, and because every station all is in the state of continuous work, so camera work also is in the state of continuous work, and camera operating time accounts for total detection time and is showing and increases, improves the camera utilization ratio.
Description
Technical Field
The invention relates to the technical field of visual inspection of LCDs, in particular to visual inspection equipment for LCDs.
Background
The Liquid Crystal Display (abbreviated as LCD) has not only the advantages of high resolution, high brightness and no geometric distortion, but also the features of small volume, light weight and low power consumption. Therefore, LCDs are widely used in the field of displays such as digital cameras, digital video cameras, in-vehicle displays, desktop displays, notebook computers, and liquid crystal televisions. The LCD may have various defects such as foreign materials and surface scratches on each optical film during the manufacturing process due to raw materials and technical reasons of the manufacturing process, and the generation of these defects may have a serious influence on the usability of the LCD. In order to reduce the production cost and improve the yield in the processes of part manufacturing and component assembly, the real-time online automatic detection of microscopic and macroscopic defects of the LCD is required in the production process.
At present, the defect detection of the liquid crystal display screen usually adopts a surface defect automatic optical detection technology, and corresponding automatic optical visual detection equipment is gradually developed. The multi-station detection is often required in the actual production process of the LCD, and the layout of the existing multi-station LCD visual detection equipment mainly has a linear layout. Referring to fig. 1, the multi-station LCD visual inspection apparatus with a linear layout in the prior art mainly includes a cross beam 100 disposed on a rack, a gripper 200 slidably connected to the cross beam 100, and an inspection device 300. When the multi-station LCD visual detection equipment with the linear layout works, firstly, the gripper 200 grips and places an LCD to be detected on a conveying device below the cross beam 100 from the outside, the conveying device conveys the LCD to be detected to the lower part of the detection device 300, the conveying device conveys the LCD to be detected back to the original position of the conveying device after the detection is finished, and finally, the gripper 200 moves the LCD to be detected out of the detection equipment.
However, the multi-station LCD visual inspection apparatus with the linear layout has the following disadvantages: each detection station is arranged in series or in parallel, the product carrying action flow is long, the detection efficiency is low, the linear layout space utilization rate is not high and the structure is complex under the conditions that the structure is complex and the detection stations are increased, the working time of the camera accounts for the total detection time, and the utilization rate of the camera is low.
Disclosure of Invention
The invention aims to provide visual detection equipment for an LCD (liquid crystal display), which aims to solve the problems of low detection efficiency and low camera utilization rate of the conventional multi-station LCD visual detection equipment with linear layout.
According to an embodiment of the present invention, a visual inspection apparatus for an LCD includes: the device comprises a fixed platform, a three-station turntable device, a camera detection device, a feeding robot and a discharging robot;
the fixed platform is used for bearing the three-station turntable device, the camera detection device, the feeding robot and the discharging robot;
the three-station turntable device is erected above the fixed platform and used for bearing the LCD and converting the positions of the LCDs on different stations, the three-station turntable device comprises a three-station turntable and an LCD carrier supporting plate, the three-station turntable is rotatably connected with the fixed platform, the LCD carrier supporting plate is arranged on the side wall of the three-station turntable, a camera detection area is preset above the LCD carrier supporting plate, the LCD carrier supporting plate is made of transparent materials, an LCD backlight source is arranged below the LCD carrier supporting plate, and the position of the LCD backlight source corresponds to the position of the camera detection area preset above the LCD carrier supporting plate;
the camera detection device is arranged on the first side of the three-station turntable device and is used for visually detecting the LCD on the three-station turntable device;
the feeding robot is arranged on the second side of the three-station turntable device and used for adsorbing an LCD to be visually detected and moving the LCD to the LCD carrier supporting plate of the feeding station;
the blanking robot is arranged on the third side of the three-station turntable device and used for adsorbing the LCD completing the visual detection and moving the LCD completing the visual detection out of the LCD carrier supporting plate of the blanking station.
Optionally, the camera detection device includes a camera support, a camera lifting device and a main camera, the camera support is fixedly arranged above the fixed platform, the camera lifting device is fixedly arranged above the camera support, the camera lifting device is used for adjusting the height of the main camera, the main camera is fixedly connected with the camera lifting device, and the main camera is arranged above the camera detection area.
Optionally, a DD motor is arranged below the three-station turntable, the DD motor is fixedly arranged above the fixed platform, a plurality of fixed holes are formed in the top of the three-station turntable, the positions of the plurality of fixed holes correspond to the positions of holes in the top of the DD motor, and the three-station turntable is in threaded connection with the DD motor.
Optionally, the upper surface of the LCD carrier supporting plate is provided with a detection groove, the detection groove is used for placing an LCD to be visually detected, and the position of the detection groove corresponds to the position of the main camera.
Optionally, a detection camera high-angle light source is arranged between the main camera and the LCD carrier supporting plate, and the position of the detection camera high-angle light source corresponds to the position of a camera detection area preset above the LCD carrier supporting plate.
Optionally, a plurality of weight-reducing through holes are formed in the top of the three-station turntable.
Optionally, the feeding robot and the discharging robot are rotatably connected with the fixed platform, and the feeding robot and the discharging robot are symmetrically arranged on two sides of the three-station turntable.
Optionally, the main camera is provided in plurality, each side of the three-station turntable is provided with a plurality of LCD carrier supporting plates, and the number of the LCD carrier supporting plates corresponds to the number of the main camera.
Optionally, the LCD carrier pallet is detachably connected to the three-station turntable.
As can be seen from the above technical solutions, the visual inspection apparatus for an LCD of the present invention includes: the device comprises a fixed platform, a three-station turntable device, a camera detection device, a feeding robot and a discharging robot, wherein the fixed platform is used for bearing the three-station turntable device, the camera detection device, the feeding robot and the discharging robot, the three-station turntable device is used for bearing the LCD and converting the positions of the LCD on different stations, the three-station turntable device comprises a three-station turntable and an LCD carrier supporting plate, the side walls of the three-station turntable are respectively provided with an LCD carrier supporting plate which is made of transparent materials, an LCD backlight source is arranged below the LCD carrier supporting plate, the position of the LCD backlight source corresponds to the position of a camera detection area preset above the LCD carrier supporting plate, the camera detection device is used for carrying out visual detection on the LCD on the three-station turntable device, the feeding robot is used for adsorbing the LCD to be subjected to visual detection and moving the LCD carrier supporting plate on the feeding station, and the blanking robot is used for adsorbing the LCD completing the visual detection and moving the LCD completing the visual detection out of the LCD carrier supporting plate of the blanking station. When the visual inspection equipment for the LCD is used, the LCD to be visually inspected is adsorbed and moved onto the LCD carrier supporting plate of the feeding station through the feeding robot, then the three-station turntable is rotated, the LCD carrier supporting plate containing the LCD is rotated to one side of the camera inspection device, so that the main camera is positioned above the camera inspection area, after the inspection is finished, the three-station turntable is rotated again, so that the LCD carrier supporting plate carrying the LCD to be inspected is rotated to the blanking station, the blanking robot moves the LCD to be visually inspected out of the LCD carrier supporting plate of the blanking station, the inspection of the LCD is finished, in the process, each station can work simultaneously, namely the loading, the inspection and the blanking can be carried out simultaneously, so that the conversion of each station is realized by the rotary motion of the turntable, the product conveying time is saved, the working rhythm is optimized, the detection efficiency is improved, and because each station is in a continuous working state, the camera works in the continuous working state, the total detection time of the working time of the camera is obviously increased, and the utilization rate of the camera is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a multi-station LCD visual inspection apparatus of a linear layout in the prior art;
FIG. 2 is a schematic structural diagram of a visual inspection apparatus for an LCD according to an embodiment of the present invention;
FIG. 3 is a perspective view of a visual inspection apparatus for an LCD according to an embodiment of the present invention;
FIG. 4 is a front view of a visual inspection apparatus for an LCD according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a three-station turntable device according to an embodiment of the present invention.
In the figure, 100-beam; 200-hand grip; 300-a detection device; 1-a fixed platform; 2-three-station turntable device; 3-a camera detection device; 4-a feeding robot; 5-a blanking robot; 21-LCD carrier pallet; 22-a fixation hole; 23-weight-reducing through holes; 24-three-station turntable; 211-detection grooves; 31-a camera stand; 32-a camera lift; 33-a main camera; 6-DD motor; 7-LCD backlight; 8-detect camera high angle light source.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2 to 5, a visual inspection apparatus for an LCD according to an embodiment of the present invention includes: the automatic feeding device comprises a fixed platform 1, a three-station turntable device 2, a camera detection device 3, a feeding robot 4 and a discharging robot 5.
Specifically, fixed platform 1 for bear three station carousel device 2, camera detection device 3, material loading robot 4 and unloading robot 5, three station carousel device 2 erects in fixed platform 1's top, is used for bearing LCD and changes the position of the LCD on the different stations. The three-station turntable device 2 can be arranged in the center of the fixed platform 1, so that other devices can be conveniently arranged. Three station carousel device 2 can set up to equilateral triangular prism, and each limit sets up a station, including material loading station, unloading station and detection station, the material loading station is used for the material loading, and the unloading station is used for the unloading, and the detection station is used for visual inspection. The three-station turntable device 2 is used for bearing the LCD and converting the position of the LCD on different stations.
Three-station turntable device 2 includes three-station turntable 24 and LCD carrier layer board 21, three-station turntable 24 rotates with fixed platform 1 to be connected, all be provided with LCD carrier layer board 21 on three-station turntable 24's the lateral wall, three-station turntable 24 can adopt natural granite material, the flatness of natural granite after the abrasive machining can reach 0.01mm, use natural granite turntable as basic platform, adjust trilateral LCD carrier layer board 21, reach the requirement that satisfies the camera and detect, the stability and the positioning accuracy of equipment obtain effectively guaranteeing.
The camera detection area is preset in the top of LCD carrier layer board 21, and the below of LCD carrier layer board 21 is provided with LCD backlight 7, and the position of LCD backlight 7 corresponds with the camera detection area's that the top of LCD carrier layer board 21 was preset position, and in order to make LCD carrier layer board 21 can see through the light that LCD backlight 7 sent and detect, LCD carrier layer board 21 adopts transparent material.
The camera detection device 3 is arranged on the first side of the three-station turntable device 2, namely the detection station, and is used for performing visual detection on the LCD on the three-station turntable device 2, the visual detection can replace human eyes to perform measurement and judgment through a camera, a machine vision product converts a shot target into image signals, the image signals are transmitted to a special image processing system, the image signals are converted into digital signals according to information such as pixel distribution, brightness and color, the image system performs various operations on the signals to extract the characteristics of the target, and then the defects of the LCD which cannot be identified by the human eyes are picked up.
And the feeding robot 4 is arranged on the second side of the three-station turntable device 2 and used for adsorbing the LCD to be subjected to visual inspection and moving the LCD to the LCD carrier supporting plate 21 of the feeding station.
The feeding robot 4 may be a multi-degree-of-freedom spherical coordinate type industrial robot, and an arm of the spherical coordinate type industrial robot can rotate, pitch, and stretch in a feeding space range, so that accurate feeding operation is realized. The manipulator tip of material loading robot can set up the vacuum suction board, and the vacuum suction board utilizes vacuum chuck to adsorb LCD, and it is inaccurate to fix a position when probably leading to the material loading because of rocking the displacement deflection that appears in handling, can set up a plurality of vacuum chuck, adsorbs simultaneously on LCD's a plurality of points, prevents, and when certain vacuum chuck because rock when the displacement deflection appears, other vacuum chuck can continue to keep adsorption state.
The blanking robot 5 is arranged on the third side of the three-station turntable device 2 and used for adsorbing the LCD completing the visual detection and moving the LCD completing the visual detection out of the LCD carrier supporting plate 21 of the blanking station, and is similar to the feeding robot 4, the blanking robot 5 can select a multi-freedom-degree spherical coordinate type industrial robot, and the arm of the spherical coordinate type industrial robot can rotate, pitch and stretch in the feeding space range to realize accurate feeding operation. The end part of a manipulator of the blanking robot can be provided with a vacuum suction plate, the vacuum suction plate adsorbs the LCD by using a vacuum sucker, and the requirement on the precision of the position during blanking is not high, so that the LCD can be adsorbed by only using a single vacuum sucker.
As can be seen from the above technical solutions, the visual inspection apparatus for an LCD of the present invention includes: the device comprises a fixed platform 1, a three-station turntable device 2, a camera detection device 3, a feeding robot 4 and a discharging robot 5, wherein the fixed platform 1 is used for bearing the three-station turntable device 2, the camera detection device 3, the feeding robot 4 and the discharging robot 5, the three-station turntable device 2 is used for bearing LCDs and converting the positions of the LCDs on different stations, the three-station turntable device 2 comprises a three-station turntable 24 and an LCD carrier supporting plate 21, camera detection areas are preset above the LCD carrier supporting plate 21, the LCD carrier supporting plate 21 is made of transparent materials, an LCD backlight source 7 is arranged below the LCD carrier supporting plate 21, the position of the LCD backlight source 7 corresponds to the position of the camera detection area preset above the LCD carrier supporting plate 21, the camera detection device 3 is used for carrying out visual detection on the LCDs on the three-station turntable device 2, the feeding robot 4 is used for adsorbing the LCDs to be subjected to visual detection and moving the LCDs to the feeding stations onto the LCD carrier supporting plate 21, and the blanking robot 5 is used for adsorbing the LCD which is subjected to the visual detection and moving the LCD which is subjected to the visual detection out of the LCD carrier supporting plate 21 of the blanking station. When the visual inspection equipment for the LCD is used, the LCD to be visually inspected is adsorbed and moved onto the LCD carrier supporting plate 21 of the feeding station through the feeding robot 4, then the three-station turntable 24 is rotated through the rotating device, the LCD carrier supporting plate 21 containing the LCD is rotated to one side of the camera inspection device 3, the main camera 33 is positioned above the camera inspection area, after the inspection is finished, the three-station turntable 24 is rotated again, the LCD carrier supporting plate 21 carrying the LCD to be inspected is rotated to the blanking station, the blanking robot 5 moves the LCD to be visually inspected out of the LCD carrier supporting plate 21 of the blanking station, the inspection of the LCD is finished, in the process, each station can work simultaneously, namely, the loading, the inspection and the blanking can be carried out simultaneously, so that the switching of each station is realized by the rotary motion of the three-station turntable 24, save product handling time, optimize the work beat, improve detection efficiency to because every station all is in the state of continuous work, so the camera also is in the state of continuous work, and camera operating time accounts for total check-out time and is showing and increase, improves the camera utilization ratio.
Further, the camera detection device 3 may include a camera bracket 31, a camera lifting device 32, and a main camera 33, the camera bracket 31 is fixedly disposed above the fixed platform 1, the camera lifting device 32 is disposed above the camera bracket 31, the camera lifting device 32 may move along the camera bracket 31 in a horizontal direction, and adjusting the position of the main camera 33 to obtain an optimal camera shooting angle. The camera lifting device 32 can drive the main camera 33 to move up and down, the main camera 33 is fixedly connected with the camera lifting device 32, and the main camera 33 is arranged above the camera detection area. The main camera 33 may need to be focused due to different sizes of the detected LCDs when being used, and the camera lifting device 32 can not only help the main camera 33 to focus, but also facilitate the detachment of the main camera 33.
Further, a DD motor 6 is arranged below the three-station turntable, the DD motor 6 is fixedly arranged above the fixed platform 1, a plurality of fixing holes 22 are formed in the top of the three-station turntable 24, the positions of the fixing holes 22 correspond to the positions of holes in the top of the DD motor 6, and the three-station turntable 24 is in threaded connection with the DD motor 6. The linear motion of multistation LCD visual inspection equipment of linear type overall arrangement generally realizes through servo motor drive ball screw, when equipment action beat is not enough, needs compensate through the rotational speed that improves the lead screw, causes the stability of equipment to reduce easily during long-term operation. And this embodiment adopts DD motor 6 drive three-station carousel 24 to rotate, can make three-station carousel 360 freely intermittent motion, continuous gyration, and it is more nimble to rotate to do not have the transmission clearance between DD motor 6 and three-station carousel 24, can energy saving like this, DD motor 6 operates steadily simultaneously, and positioning accuracy and repeated positioning accuracy are high, make LCD's detection precision also further improve. The DD motor 6 is adopted to drive the three-station turntable 24, so that the whole transmission device is simple in structure and more convenient to maintain.
Further, the upper surface of the LCD carrier pallet 21 is provided with a detection groove 211, the detection groove 211 is used for placing an LCD to be visually detected, and the position of the detection groove 211 corresponds to the position of the main camera. The detection groove 211 is arranged to position the LCD to be detected and prevent the LCD to be detected from flying out of the three-station turntable 24 due to inertia when the three-station turntable 24 rotates.
Further, a detection camera high-angle light source 8 is arranged between the main camera 33 and the LCD carrier pallet 21, and the position of the detection camera high-angle light source 8 corresponds to the position of a camera detection area preset above the LCD carrier pallet 21. The LCD can not be dustless in a hundred percent in the production process, and sometimes the dust layer on the surface of the LCD is mistakenly taken as a defect when visual detection is carried out, so that misjudgment is caused on the LCD with good quality. Before visual detection, the high-angle light source 8 of the detection camera is turned on, the LCD backlight source is in an off state at the moment, and an LCD image with dust on the surface can be obtained by detecting illumination of the high-angle light source 8 of the detection camera. And then turning off the high-angle light source 8 of the detection camera, turning on an LCD backlight source, carrying out visual detection on the LCD to obtain an image for visual detection, and then comparing the two pictures to discharge dust as visual interference of the defect point, thereby reducing misjudgment.
Furthermore, a plurality of weight-reducing through holes 23 are formed in the top of the three-station turntable 24, and the weight of the three-station turntable 24 can be reduced through the plurality of weight-reducing through holes 23, so that the load of the transmission device is reduced, the rotating speed is improved, and the production efficiency is also improved.
Further, material loading robot 4 and unloading robot 5 all rotate with fixed platform and are connected, and material loading robot 4 and unloading robot 5 symmetry set up in the both sides of three-station carousel. Feeding robot 4 and unloading robot 5 all rotate with fixed platform and are connected the flexibility ratio that can improve last unloading, and feeding robot 4 and 5 symmetry settings of unloading robot can make the overall arrangement of whole equipment compacter reasonable, further improve the flexibility ratio of going up unloading.
Further, a plurality of LCD carrier pallets 21 are provided on each side of the three-station turntable 24, and the number of LCD carrier pallets 21 corresponds to the number of main cameras 33. Can set up a plurality of main cameras 33 on detecting the station, correspond three station carousel 24 and do not have one side to set up a plurality of LCD carrier layer boards 21 to can carry out visual detection to a plurality of LCDs simultaneously, improve production efficiency.
Further, the LCD carrier pallet 21 is detachably connected to the three-station turntable 24. LCD to different sizes probably will detect in the production process, and LCD carrier layer board 21 of fixed size probably is not suitable for like this, so for the LCD that adapts to multiple size detects the demand, sets up LCD carrier layer board 21 and three station carousel 24 to be dismantled and be connected, can change the LCD carrier layer board of different sizes at any time for the suitability of equipment is wider.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (6)
1. A visual inspection apparatus for an LCD, the apparatus comprising: the automatic feeding device comprises a fixed platform (1), a three-station turntable device (2), a camera detection device (3), a feeding robot (4) and a discharging robot (5);
the fixed platform (1) is used for bearing the three-station turntable device (2), the camera detection device (3), the feeding robot (4) and the blanking robot (5);
the three-station turntable device (2) is erected above the fixed platform (1) and is used for bearing the LCD and converting the positions of the LCDs on different stations, the three-station turntable device (2) comprises a three-station turntable (24) and an LCD carrier supporting plate (21), the three-station turntable (24) is rotatably connected with the fixed platform (1), the LCD carrier supporting plate (21) is arranged on the side wall of the three-station turntable (24), a camera detection area is preset above the LCD carrier supporting plate (21), the LCD carrier supporting plate (21) is made of transparent materials, an LCD backlight source (7) is arranged below the LCD carrier supporting plate (21), and the position of the LCD backlight source (7) corresponds to the position of the camera detection area preset above the LCD carrier supporting plate (21);
the camera detection device (3) is arranged on the first side of the three-station turntable device (2) and is used for carrying out visual detection on an LCD on the three-station turntable device (2);
the feeding robot (4) is arranged on the second side of the three-station turntable device (2) and used for adsorbing an LCD to be visually detected and moving the LCD to the LCD carrier supporting plate (21) of the feeding station;
the blanking robot (5) is arranged on the third side of the three-station turntable device (2) and used for adsorbing the LCD which is subjected to the visual detection and moving the LCD which is subjected to the visual detection out of the LCD carrier supporting plate (21) of the blanking station;
the camera detection device (3) comprises a camera support (31), a camera lifting device (32) and a main camera (33), the camera support (31) is arranged above the fixed platform (1), the camera lifting device (32) is fixedly arranged above the camera support (31), the camera lifting device (32) is used for adjusting the height of the main camera (33), the main camera (33) is fixedly connected with the camera lifting device (32), and the main camera (33) is arranged above the camera detection area;
the number of the main cameras (33) is multiple, each side of the three-station turntable (24) is provided with a plurality of LCD carrier supporting plates (21), and the number of the LCD carrier supporting plates (21) corresponds to the number of the main cameras (33);
the upper surface of LCD carrier layer board (21) is provided with detects recess (211), detect recess (211) and be used for placing the LCD of treating visual inspection, the position of detecting recess (211) with the position of main camera (33) is corresponding.
2. The apparatus according to claim 1, wherein a detection camera high angle light source (8) is arranged between the main camera (33) and the LCD carrier pallet (21), and the position of the detection camera high angle light source (8) corresponds to the position of a preset camera detection area above the LCD carrier pallet (21).
3. The apparatus according to claim 1, characterized in that a DD motor (6) is arranged below the three-position turntable (24), the DD motor (6) is fixedly arranged above the fixed platform (1), a plurality of fixing holes (22) are arranged at the top of the three-position turntable (24), the positions of the fixing holes (22) correspond to the positions of the holes at the top of the DD motor (6), and the three-position turntable (24) is in threaded connection with the DD motor (6).
4. The apparatus according to claim 1, characterized in that the top of the three-position carousel (24) is provided with a plurality of weight-reducing through-holes (23).
5. The apparatus according to claim 1, characterized in that the feeding robot (4) and the blanking robot (5) are respectively connected with the fixed platform (1) in a rotating manner, and the feeding robot (4) and the blanking robot (5) are symmetrically arranged on two sides of the three-station turntable (24).
6. The apparatus of claim 1, wherein the LCD carrier pallet (21) is removably connected to the three-position turntable (24).
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| CN201810801469.3A CN108957802B (en) | 2018-07-20 | 2018-07-20 | Visual detection equipment for LCD |
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| CN201810801469.3A CN108957802B (en) | 2018-07-20 | 2018-07-20 | Visual detection equipment for LCD |
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| CN108957802B true CN108957802B (en) | 2021-08-03 |
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| CN110000537B (en) * | 2019-05-27 | 2021-08-17 | 韶关学院 | Packing tube and plug assembling production mechanical equipment |
| WO2020259069A1 (en) * | 2019-06-28 | 2020-12-30 | 宁波舜宇光电信息有限公司 | Object stage, camera module detection device and detection system having same and detection method thereof |
| CN110196254A (en) * | 2019-06-29 | 2019-09-03 | 苏州精濑光电有限公司 | A kind of detection device |
| CN111795647A (en) * | 2020-08-04 | 2020-10-20 | 湖南视杰智能科技有限公司 | Height detection device and method |
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