CN112034641A - Liquid crystal display surface flaw detection system - Google Patents
Liquid crystal display surface flaw detection system Download PDFInfo
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- CN112034641A CN112034641A CN202010969588.7A CN202010969588A CN112034641A CN 112034641 A CN112034641 A CN 112034641A CN 202010969588 A CN202010969588 A CN 202010969588A CN 112034641 A CN112034641 A CN 112034641A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 44
- 238000006073 displacement reaction Methods 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000007547 defect Effects 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal display surface flaw detection system which comprises a detection table, supporting legs, a support frame, a clamping driving motor, a clamping driving screw rod, a clamping driving rod, a camera displacement driving mechanism and an angle adjusting mechanism, wherein the supporting legs are arranged below the detection table, the camera displacement driving mechanism is arranged at the upper end of the support frame, the camera displacement driving mechanism is positioned above the detection table, the clamping driving motor is arranged at the lower part of the support frame, the clamping driving screw rod is rotatably arranged on the support frame, the clamping driving screw rod is connected with an output shaft of the clamping driving motor, the clamping driving rod is connected onto the clamping driving screw rod through threads, a driven clamping piece is rotatably arranged on a first clamping driving rod, the angle adjusting mechanism is arranged above a second clamping driving rod, and a driving clamping piece is rotatably. The invention relates to the technical field of liquid crystal display detection equipment, and particularly provides a liquid crystal display surface flaw detection system which can drive a liquid crystal display to rotate in multiple angles and realize omnibearing detection of the surface of the liquid crystal display.
Description
Technical Field
The invention relates to the technical field of liquid crystal display detection equipment, in particular to a liquid crystal display surface flaw detection system.
Background
At present, liquid crystal display electronic products have become indispensable important component elements in our lives and works, and the quality of the liquid crystal display serving as an important component of the electronic products directly concerns the performance and appearance of the electronic products. In the production process of the liquid crystal display, various defects (such as scratches, bubbles, dark/bright spots, and the like) cannot be completely avoided by the current technological level, and the defects of the liquid crystal display directly affect the usability of electronic products and even cause the electronic products to be incapable of being used normally, so that the user experience is low.
Visual observation or camera image analysis in a single direction cannot comprehensively reflect the defects of the surface flaws of the liquid crystal screen, so that an all-dimensional multi-angle surface detection system for the liquid crystal screen is required to be provided.
Disclosure of Invention
In order to overcome the technical defects, the invention provides a liquid crystal screen surface flaw detection system which can drive a liquid crystal screen to rotate in multiple angles and realize omnibearing detection of the surface of the liquid crystal screen.
The technical scheme adopted by the invention is as follows: the invention relates to a liquid crystal screen surface flaw detection system, which comprises a detection table, a supporting leg, a supporting frame, a clamping driving motor, a clamping driving screw rod, a clamping driving rod, a guide rod, a camera displacement driving mechanism and an angle adjusting mechanism, wherein the supporting leg is arranged below the detection table, the supporting leg is a telescopic leg, the supporting frame is arranged on the ground, the supporting frame is positioned outside the detection table, the camera displacement driving mechanism is arranged at the upper end of the supporting frame, the camera displacement driving mechanism is positioned above the detection table, the clamping driving motor is arranged at the lower part of the supporting frame, the clamping driving screw rod is rotatably arranged on the supporting frame and is connected with an output shaft of the clamping driving motor, the clamping driving rod is connected with the clamping driving screw rod through threads, the clamping driving rod comprises a first clamping driving rod and a second clamping driving rod, the clamping driving screw is symmetrically provided with two groups of screw thread groups, the screw thread directions of the two groups of screw thread groups are opposite, the first clamping driving rod and the second clamping driving rod are respectively arranged on the two groups of screw thread groups, the guide rod is arranged at the lower part of the support frame, the guide rod is arranged in parallel with the clamping driving screw, one side of the lower end of the clamping driving rod is connected with the clamping driving screw through screw threads, the other side of the lower end of the clamping driving rod is slidably arranged on the guide rod, a driven clamping piece is rotatably arranged on the first clamping driving rod, the angle adjusting mechanism is arranged above the second clamping driving rod, and a driving clamping piece is rotatably arranged on the angle adjusting mechanism; angle adjustment mechanism includes fixing support plate, telescopic cylinder, direction gag lever post, drive spur rack and angle upset gear, fixing support plate locates second centre gripping actuating lever upper end, second centre gripping actuating lever is equipped with two sets ofly, and is two sets of be equipped with between the second centre gripping actuating lever and link up the mounting panel, telescopic cylinder and direction gag lever post are located on fixing support plate, the drive spur rack slides and locates on the direction gag lever post, just the drive spur rack links to each other with telescopic cylinder's free end, angle upset gear revolve locates on linking up the mounting panel, the initiative holder is fixed to be located on the angle upset gear, initiative holder sets up with driven holder symmetry.
Further, camera displacement drive mechanism includes camera displacement driving motor, displacement drive screw thread piece, flexible actuating lever and detects the camera, camera displacement driving motor locates on the support frame, displacement drive screw rotates and locates on the support frame, just displacement drive screw links to each other with camera displacement drive motor output shaft, displacement drive screw thread piece passes through threaded connection and locates on the displacement drive screw, flexible actuating lever is located on the displacement drive screw thread piece, it locates on the displacement drive screw thread piece to detect the camera.
Further, examine test table below and be equipped with the bottom plate, be equipped with the slide rail on the bottom plate, centre gripping actuating lever below is equipped with the pulley, the pulley slides and locates on the slide rail.
Furthermore, the detection table is provided with an elastic protection pad, and when the liquid crystal screen is arranged on the detection table, the liquid crystal screen is buffered and protected.
Furthermore, the surfaces of the driving clamping piece and the driven clamping piece are provided with protective bulges so as to increase the friction force with the liquid crystal screen.
Furthermore, the clamping driving motor and the camera displacement driving motor are both positive and negative double-rotation motors.
The invention with the structure has the following beneficial effects: according to the liquid crystal screen surface flaw detection system, the liquid crystal screen is stably clamped through the matching effect of the driving clamping piece and the driven clamping piece, and the driving of the angle adjusting mechanism is used for realizing the angular rotation of the driving clamping piece and the driven clamping piece, so that the angular rotation of the liquid crystal screen is realized, and the liquid crystal screen can be detected from different directions and angles; meanwhile, due to the arrangement of the camera displacement driving mechanism, the comprehensive detection of the liquid crystal screen is realized, and the detection comprehensiveness of the liquid crystal screen is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of an overall structure of a system for detecting surface defects of a liquid crystal display according to the present invention;
fig. 2 is a schematic structural diagram of an angle adjusting mechanism of a liquid crystal display surface flaw detection system according to the present invention.
The device comprises a detection table 1, a detection table 2, supporting legs 3, a supporting frame 4, a clamping driving motor 5, a clamping driving screw rod 6, a clamping driving rod 7, a guide rod 8, a camera displacement driving mechanism 9, an angle adjusting mechanism 10, a first clamping driving rod 11, a second clamping driving rod 12, a driven clamping piece 13, a driving clamping piece 14, a fixed supporting plate 15, a telescopic cylinder 16, a guide limiting rod 17, a driving spur rack 18, an angle overturning gear 19, a camera displacement driving motor 20, a displacement driving screw rod 21, a displacement driving threaded block 22, a telescopic driving rod 23, a detection camera 24, a bottom plate 25, a sliding rail 26, a pulley 27, an elastic protection pad 28 and a linking mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in FIGS. 1-2, the technical scheme adopted by the invention is as follows: a liquid crystal screen surface flaw detection system comprises a detection table 1, a support leg 2, a support frame 3, a clamping driving motor 4, a clamping driving screw 5, a clamping driving rod 6, a guide rod 7, a camera displacement driving mechanism 8 and an angle adjusting mechanism 9, wherein the support leg 2 is arranged below the detection table 1, the support leg 2 is a telescopic leg, the support frame 3 is arranged on the ground, the support frame 3 is positioned outside the detection table 1, the camera displacement driving mechanism 8 is arranged at the upper end of the support frame 3, the camera displacement driving mechanism 8 is positioned above the detection table 1, the clamping driving motor 4 is arranged at the lower part of the support frame 3, the clamping driving screw 5 is rotatably arranged on the support frame 3, the clamping driving screw 5 is connected with an output shaft of the clamping driving motor 4, the clamping driving rod 6 is connected on the clamping driving screw 5 through threads, the clamping driving rod 6 comprises a first clamping driving rod 10, the clamping driving screw 5 is symmetrically provided with two groups of screw thread groups, the screw thread directions of the two groups of screw thread groups are opposite, a first clamping driving rod 10 and a second clamping driving rod 11 are respectively arranged on the two groups of screw thread groups, a guide rod 7 is arranged at the lower part of the support frame 3, the guide rod 7 is arranged in parallel with the clamping driving screw 5, one side of the lower end of the clamping driving rod 6 is arranged on the clamping driving screw 5 through threaded connection, the other side of the lower end of the clamping driving rod 6 is arranged on the guide rod 7 in a sliding manner, a driven clamping piece 12 is rotatably arranged on the first clamping driving rod 10, an angle adjusting mechanism 9 is arranged above the second clamping driving rod 11, and a driving clamping piece 13 is; angle adjusting mechanism 9 includes fixing support plate 14, telescopic cylinder 15, direction gag lever post 16, drive spur rack 17 and angle upset gear 18, fixing support plate 14 locates 11 upper ends of second centre gripping actuating lever, second centre gripping actuating lever 11 is equipped with two sets ofly, be equipped with between two sets of second centre gripping actuating lever 11 and link up mounting panel 28, telescopic cylinder 15 and direction gag lever post 16 locate on fixing support plate 14, drive spur rack 17 slides and locates on direction gag lever post 16, and drive spur rack 17 links to each other with telescopic cylinder 15's free end, angle upset gear 18 rotates and locates on linking up mounting panel 28, initiative holder 13 is fixed to be located on angle upset gear 18, initiative holder 13 sets up with driven holder 12 symmetries.
The camera displacement driving mechanism 8 comprises a camera displacement driving motor 19, a displacement driving screw 20, a displacement driving threaded block 21, a telescopic driving rod 22 and a detection camera 23, the camera displacement driving motor 19 is arranged on the support frame 3, the displacement driving screw 20 is rotatably arranged on the support frame 3, the displacement driving screw 20 is connected with an output shaft of the camera displacement driving motor 19, the displacement driving threaded block 21 is connected with the displacement driving screw 20 through threads, the telescopic driving rod 22 is arranged on the displacement driving threaded block 21, and the detection camera 23 is arranged on the displacement driving threaded block 21. A bottom plate 24 is arranged below the detection table 1, a sliding rail 25 is arranged on the bottom plate 24, a pulley 26 is arranged below the clamping driving rod 6, and the pulley 26 is arranged on the sliding rail 25 in a sliding manner. The detection table 1 is provided with an elastic protection pad 27 which plays a role in buffering and protecting the liquid crystal screen when the liquid crystal screen is arranged on the detection table 1. The surfaces of the driving clamping piece 13 and the driven clamping piece 12 are provided with protective bulges so as to increase the friction force with the liquid crystal screen. The clamping driving motor 4 and the camera displacement driving motor 19 are both positive and negative double-rotation motors.
When the liquid crystal display panel clamping device is used specifically, a liquid crystal display panel is placed on the elastic protection pad 27, the clamping driving motor 4 is started to rotate, the clamping driving motor 4 drives the clamping driving screw 5 to rotate, and the clamping driving screw 5 drives the first clamping driving rod 10 and the second clamping driving rod 11 to be close to or far away from each other, so that the liquid crystal display panel is clamped and fixed through the driven clamping piece 12 and the driving clamping piece 13; meanwhile, the displacement driving screw 20 is driven to rotate by the camera displacement driving motor 19, the detection camera 23 is displaced under the action of the displacement driving thread block 21, the surface of the liquid crystal display is subjected to movable comprehensive detection, and the distance between the detection camera and the liquid crystal display can be adjusted by adjusting the telescopic length of the telescopic driving rod 22; in addition, the driving spur rack 17 can be pushed and pulled by the telescopic cylinder 15 to drive the angle overturning gear 18 to rotate, and the rotating angle of the driving clamping piece 13 and the driven clamping piece 12 is adjusted, so that the detection of surface flaws of the liquid crystal screen at different inclination angles is realized, and the smooth rotation of the liquid crystal screen is matched by the lifting of the supporting legs 2 in the rotating process of the driving clamping piece 13 and the driven clamping piece 12.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A liquid crystal screen surface flaw detection system is characterized in that: the device comprises a detection table, supporting legs, a supporting frame, a clamping driving motor, a clamping driving screw, a clamping driving rod, a guide rod, a camera displacement driving mechanism and an angle adjusting mechanism, wherein the supporting legs are arranged below the detection table, the supporting frame is a telescopic leg, the supporting frame is arranged on the ground and is positioned outside the detection table, the camera displacement driving mechanism is arranged at the upper end of the supporting frame, the camera displacement driving mechanism is positioned above the detection table, the clamping driving motor is arranged at the lower part of the supporting frame, the clamping driving screw is rotatably arranged on the supporting frame and is connected with an output shaft of the clamping driving motor, the clamping driving rod is arranged on the clamping driving screw through threaded connection, the clamping driving rod comprises a first clamping driving rod and a second clamping driving rod, and two thread groups are symmetrically arranged on the clamping driving screw, the thread directions of the two thread groups are opposite, the first clamping driving rod and the second clamping driving rod are respectively arranged on the two thread groups, the guide rod is arranged at the lower part of the support frame, the guide rod is arranged in parallel with the clamping driving screw rod, one side of the lower end of the clamping driving rod is connected with the clamping driving screw rod through threads, the other side of the lower end of the clamping driving rod is arranged on the guide rod in a sliding manner, a driven clamping piece is rotatably arranged on the first clamping driving rod, the angle adjusting mechanism is arranged above the second clamping driving rod, and a driving clamping piece is rotatably arranged on the angle adjusting mechanism; angle adjustment mechanism includes fixing support plate, telescopic cylinder, direction gag lever post, drive spur rack and angle upset gear, fixing support plate locates second centre gripping actuating lever upper end, second centre gripping actuating lever is equipped with two sets ofly, and is two sets of be equipped with between the second centre gripping actuating lever and link up the mounting panel, telescopic cylinder and direction gag lever post are located on fixing support plate, the drive spur rack slides and locates on the direction gag lever post, just the drive spur rack links to each other with telescopic cylinder's free end, angle upset gear revolve locates on linking up the mounting panel, the initiative holder is fixed to be located on the angle upset gear, initiative holder sets up with driven holder symmetry.
2. The system for detecting surface defects of a liquid crystal display panel according to claim 1, wherein: the camera displacement driving mechanism comprises a camera displacement driving motor, a displacement driving screw rod, a displacement driving threaded block, a telescopic driving rod and a detection camera, the camera displacement driving motor is arranged on the support frame, the displacement driving screw rod is arranged on the support frame in a rotating mode, the displacement driving screw rod is connected with an output shaft of the camera displacement driving motor, the displacement driving threaded block is arranged on the displacement driving screw rod through threaded connection, the telescopic driving rod is arranged on the displacement driving threaded block, and the detection camera is arranged on the displacement driving threaded block.
3. The system for detecting surface defects of a liquid crystal display panel according to claim 1, wherein: the device is characterized in that a bottom plate is arranged below the detection table, a sliding rail is arranged on the bottom plate, a pulley is arranged below the clamping driving rod, and the pulley is arranged on the sliding rail in a sliding manner.
4. The system of claim 1, wherein an elastic protection pad is disposed on the inspection table.
5. The system of claim 1, wherein the driving and driven clamps have protection protrusions on their surfaces.
6. The system of claim 2, wherein the clamping driving motor and the camera displacement driving motor are both positive and negative rotation motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969588.7A CN112034641A (en) | 2020-09-15 | 2020-09-15 | Liquid crystal display surface flaw detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010969588.7A CN112034641A (en) | 2020-09-15 | 2020-09-15 | Liquid crystal display surface flaw detection system |
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| CN112034641A true CN112034641A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010969588.7A Pending CN112034641A (en) | 2020-09-15 | 2020-09-15 | Liquid crystal display surface flaw detection system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112767864A (en) * | 2021-01-15 | 2021-05-07 | 深圳市韦德勋光电科技有限公司 | Debugging device of LCD logic board control module and use method |
| CN112755402A (en) * | 2021-01-19 | 2021-05-07 | 创客商盟有限公司 | Human health physiotherapy equipment and physiotherapy method thereof |
| CN113295714A (en) * | 2021-04-27 | 2021-08-24 | 浙江顺希商品检测技术有限公司 | Circuit board detection device for electric appliance |
| CN117221434A (en) * | 2023-10-08 | 2023-12-12 | 博测通讯科技(上海)有限公司 | Mobile phone testing turntable |
| CN117451524A (en) * | 2023-12-21 | 2024-01-26 | 宁波吉宁汽车零部件有限公司 | Welding strength detecting system |
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| CN206133137U (en) * | 2016-11-01 | 2017-04-26 | 深圳市冠旭科技有限公司 | On -vehicle bar LCD screen detection device |
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| CN208795961U (en) * | 2018-09-13 | 2019-04-26 | 滁州盛诺电子科技有限公司 | A kind of detection device of liquid crystal display |
| CN209717469U (en) * | 2019-01-22 | 2019-12-03 | 湖南理工学院 | A kind of fixed device of LCD liquid crystal display detection |
| CN211348910U (en) * | 2020-03-16 | 2020-08-25 | 河北雄富光电科技有限公司 | Liquid crystal display side edge detects uses anchor clamps |
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2020
- 2020-09-15 CN CN202010969588.7A patent/CN112034641A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206133137U (en) * | 2016-11-01 | 2017-04-26 | 深圳市冠旭科技有限公司 | On -vehicle bar LCD screen detection device |
| CN208172421U (en) * | 2018-05-21 | 2018-11-30 | 广州亚辉精密设备有限公司 | A kind of LCD screen detection device |
| CN208795961U (en) * | 2018-09-13 | 2019-04-26 | 滁州盛诺电子科技有限公司 | A kind of detection device of liquid crystal display |
| CN209717469U (en) * | 2019-01-22 | 2019-12-03 | 湖南理工学院 | A kind of fixed device of LCD liquid crystal display detection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112767864A (en) * | 2021-01-15 | 2021-05-07 | 深圳市韦德勋光电科技有限公司 | Debugging device of LCD logic board control module and use method |
| CN112755402A (en) * | 2021-01-19 | 2021-05-07 | 创客商盟有限公司 | Human health physiotherapy equipment and physiotherapy method thereof |
| CN113295714A (en) * | 2021-04-27 | 2021-08-24 | 浙江顺希商品检测技术有限公司 | Circuit board detection device for electric appliance |
| CN117221434A (en) * | 2023-10-08 | 2023-12-12 | 博测通讯科技(上海)有限公司 | Mobile phone testing turntable |
| CN117221434B (en) * | 2023-10-08 | 2024-04-26 | 博测通讯科技(上海)有限公司 | Mobile phone testing turntable |
| CN117451524A (en) * | 2023-12-21 | 2024-01-26 | 宁波吉宁汽车零部件有限公司 | Welding strength detecting system |
| CN117451524B (en) * | 2023-12-21 | 2024-03-26 | 宁波吉宁汽车零部件有限公司 | A welding strength detection system |
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Application publication date: 20201204 |
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