CN211928347U - Liquid crystal display macroscopic defect inspection equipment - Google Patents
Liquid crystal display macroscopic defect inspection equipment Download PDFInfo
- Publication number
- CN211928347U CN211928347U CN202020819883.XU CN202020819883U CN211928347U CN 211928347 U CN211928347 U CN 211928347U CN 202020819883 U CN202020819883 U CN 202020819883U CN 211928347 U CN211928347 U CN 211928347U
- Authority
- CN
- China
- Prior art keywords
- moving mechanism
- liquid crystal
- crystal screen
- defect inspection
- transverse moving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model belongs to the technical field of LCD screen check out test set, especially, be an LCD screen macroscopic defect check out test set, including the equipment chassis, the top surface fixed mounting of equipment chassis has first lateral shifting mechanism, there is rectangular frame on the top of first lateral shifting mechanism through the vice swing joint of guide rail, rectangular frame's inside groove fixed mounting has first longitudinal movement mechanism, and rectangular frame's both ends symmetry is fixed with first support column and second support column, and first support column and the endocentric position of second support column all rotate through the bearing and are connected with the minor axis, fixedly connected with upset frame between two minor axes, and the inside casing of upset frame passes through anchor clamps fixedly connected with glass loading board, and one side fixed mounting of first support column has the upset motor. The utility model discloses a micro-camera is arbitrary controllable removal in the work area, aims at the LCD screen that awaits measuring of placing on the glass loading board, shoots each region or the pixel of LCD screen to the realization is to its accurate detection.
Description
Technical Field
The utility model relates to a LCD screen check out test set technical field specifically is an LCD screen macroscopic defect check out test set.
Background
The existing society has very high requirements on the use of liquid crystal screens, especially on mobile phones, computers and televisions, but few devices for quality control of the liquid crystal screens exist in China, especially for the inspection of macroscopic defects of the liquid crystal screens, the tiny defects of the liquid crystal screens are not easy to find under ordinary environments and lamplight, the light leakage and brightness nonuniformity of LCD and LED backlight modules can cause assembled flat panel displays to show poor performance, and the defects are not accurate and can not be repeated when detected by human eyes; the light leakage is a common problem in the defects of the display module, the reason is probably from the production and manufacturing process, or the problem of raw materials, and the system can detect the light leakage problem and classify the light leakage problem before the product leaves a factory; therefore, the long-term research on the liquid crystal screen is carried out, and the fine defects of the liquid crystal screen are detected through various light and angles, so that the quality of the liquid crystal screen is improved; most of the existing liquid crystal screen detection devices are manually operated.
The existing liquid crystal screen macroscopic defect inspection equipment has the following problems:
1. the existing liquid crystal screen macroscopic defect inspection equipment mostly adopts manual observation, and has low efficiency and uncontrollable detection effect.
2. The peripheral environment of the existing liquid crystal screen macroscopic defect inspection equipment has more dust, and the authenticity and the accuracy of the detection are influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a LCD screen macroscopic defect check out test set has solved present LCD screen macroscopic defect check out test set and has adopted artifical the observation more, and inefficiency and detection effect are uncontrollable to and check out test set's all ring edge borders dust is more, influences the authenticity of detection and the problem of accuracy.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a liquid crystal screen macroscopic defect inspection device comprises a device underframe, wherein a first transverse moving mechanism is fixedly installed on the top surface of the device underframe, the top end of the first transverse moving mechanism is movably connected with a rectangular frame through a guide rail pair, a first longitudinal moving mechanism is fixedly installed in an inner groove of the rectangular frame, a first supporting column and a second supporting column are symmetrically fixed at two ends of the rectangular frame, the concentric positions of the first supporting column and the second supporting column are rotatably connected with short shafts through bearings, a turnover frame is fixedly connected between the two short shafts, a glass bearing plate is fixedly connected to an inner frame of the turnover frame through a clamp, a turnover motor is fixedly installed at one side of the first supporting column, the turnover motor is connected with the short shafts through a reduction gear set, and a second longitudinal moving mechanism is fixedly installed at one side of the turnover frame, the top end of the second longitudinal moving mechanism is fixedly connected with a second transverse moving mechanism, and the top end of the second transverse moving mechanism is movably embedded with a micro camera.
As the utility model discloses an optimized technical scheme, the avris of equipment chassis has the rectangle guard shield around, the middle part fixed mounting on rectangle guard shield top has the lamp house, fixed mounting has the sodium lamp and refracts the light board in the lamp house inner chamber, the avris fixed mounting of lamp house has FUU equipment, FUU equipment intercommunication the inner chamber of lamp house.
As an optimized technical scheme of the utility model, one side of rectangle guard shield is fixed with the computer and controls the platform, the opposite side fixed mounting of rectangle guard shield has automatically controlled cabinet.
As a preferred technical scheme of the utility model, a lateral shifting mechanism includes that the double-guide is vice, fixed mounting parallel arrangement has a Y axle lead screw between the double-guide is vice, the middle part spiral shell of Y axle lead screw is connected with lateral shifting plate, the tip fixed mounting of Y axle lead screw has servo motor.
As an optimal technical scheme of the utility model, one side fixed mounting of lateral shifting board has the cylinder, the telescopic shaft fixed connection of cylinder rectangular frame's avris.
As an optimized technical scheme of the utility model, be fixed with angle sensor on the first support column, be fixed with magnetism on the minor axis and feel the piece, angle sensor's breach corresponds the piece setting is felt to magnetism.
As an optimized technical solution of the present invention, the second longitudinal moving mechanism and the second transverse moving mechanism are synchronous pulley transmission pairs.
(III) advantageous effects
Compared with the prior art, the utility model provides a LCD screen macroscopic defect check out test set possesses following beneficial effect:
1. the liquid crystal screen macroscopic defect inspection equipment can be controlled to move randomly in a working area through the micro-camera, aims at the liquid crystal screen to be detected placed on the glass bearing plate, and shoots each area or pixel of the liquid crystal screen, so that the liquid crystal screen macroscopic defect inspection equipment can be accurately detected.
2. This LCD screen macroscopic defect check out test set, through setting up the required light of sodium lamp transmission detection, light refracts to the LCD screen of placing on the glass loading board through refracting the board, opens the inside tiny dust of FUU equipment adsorption equipment here simultaneously, makes the product surface dustless to the better inspection product of manual work.
Drawings
FIG. 1 is a schematic view of one end of the internal structure of the present invention;
FIG. 2 is another schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the appearance of the main structure of the present invention;
FIG. 4 is a schematic side sectional view of the main structure of the present invention;
FIG. 5 is a schematic view of the moving mechanism and the turnover mechanism of the present invention;
fig. 6 is a schematic view of the structure of the bearing platform of the present invention.
In the figure: 1. an equipment chassis; 2. a first lateral movement mechanism; 3. a rectangular frame; 4. a first longitudinal movement mechanism; 5. a first support column; 6. a second support column; 7. a minor axis; 8. turning over the frame; 9. a glass carrier plate; 10. turning over a motor; 11. a reduction gear set; 12. a second longitudinal movement mechanism; 13. a second lateral movement mechanism; 14. a micro-camera; 15. a rectangular shield; 16. a light box; 17. a sodium lamp; 18. a light refracting plate; 19. an FUU device; 20. a computer console; 21. an electric control cabinet; 22. a double guide rail pair; 23. a first Y-axis lead screw; 24. transversely moving the plate; 25. a servo motor; 26. a cylinder; 27. an angle sensor; 28. magnetic induction piece.
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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides the following technical solutions: a liquid crystal screen macroscopic defect inspection device comprises a device underframe 1, a first transverse moving mechanism 2 is fixedly installed on the top surface of the device underframe 1, the top end of the first transverse moving mechanism 2 is movably connected with a rectangular frame 3 through a guide rail pair, a first longitudinal moving mechanism 4 is fixedly installed in an inner groove of the rectangular frame 3, a first supporting column 5 and a second supporting column 6 are symmetrically fixed at two ends of the rectangular frame 3, the concentric positions of the first supporting column 5 and the second supporting column 6 are both rotatably connected with a short shaft 7 through bearings, an overturning frame 8 is fixedly connected between the two short shafts 7, an inner frame of the overturning frame 8 is fixedly connected with a glass bearing plate 9 through a clamp, an overturning motor 10 is fixedly installed at one side of the first supporting column 5, the overturning motor 10 is connected with the short shaft 7 through a reduction gear set 11, a second longitudinal moving mechanism 12 is fixedly installed at one side of the overturning frame, the top end of the second longitudinal moving mechanism 12 is fixedly connected with a second transverse moving mechanism 13, and the top end of the second transverse moving mechanism 13 is movably embedded with a microscope camera 14.
In the embodiment, a liquid crystal screen is placed on a glass bearing plate 9 through a mechanical arm or a mechanical sucker, and then is positioned and fixed through a pneumatic element, when the liquid crystal screen works, a first transverse moving mechanism 2 drives a first longitudinal moving mechanism 4, a turnover frame 8, a second longitudinal moving mechanism 12 and a second transverse moving mechanism 13 to transversely move on an equipment chassis 1, and the first longitudinal moving mechanism 4 drives the turnover frame 8, the second longitudinal moving mechanism 12 and the second transverse moving mechanism 13 to longitudinally move; the overturning frame 8 drives the second longitudinal moving mechanism 12 and the second transverse moving mechanism 13 to overturn under the driving of the overturning motor 10, the second transverse moving mechanism 13 drives the micro-camera 14 to move on the second longitudinal moving mechanism 12, the micro-camera is aligned to the liquid crystal screen to be detected placed on the glass bearing plate 9, each area or pixel of the liquid crystal screen is shot, and therefore accurate detection of the liquid crystal screen is achieved; the microscopic camera 14 adopts a ZW-H3000 type high-definition microscope special for measurement, and can accurately shoot the quality state of the liquid crystal screen.
Specifically, a rectangular shield 15 surrounds the side of the equipment underframe 1, a lamp box 16 is fixedly mounted in the middle of the top end of the rectangular shield 15, a sodium lamp 17 and a refraction plate 18 are fixedly mounted in the inner cavity of the lamp box 16, FUU equipment 19 is fixedly mounted on the side of the lamp box 16, and the FUU equipment 19 is communicated with the inner cavity of the lamp box 16.
In the embodiment, the sodium lamp 17 emits light required for detection, the light is refracted by the refracting plate 18 and then is projected onto the liquid crystal screen on the glass bearing plate 9, at the moment, the micro-camera 14 is driven by the second longitudinal moving mechanism 12 and the second transverse moving mechanism 13 to move, state information on the liquid crystal screen is shot, and the shot state of the liquid crystal screen is transmitted to a professional monitoring computer for displaying and comparing, so that the liquid crystal screen is detected quickly and automatically; meanwhile, the FUU equipment 19 is started, and the FUU equipment 19 adsorbs fine dust in the equipment, so that the surface of the product is free from dust, and the product can be conveniently and manually inspected; in the testing process, the different colour of meeting control according to actual conditions and whether shielding of sodium lamp 17 carry out other defect inspection to the product sometimes by man, have examined the back, make work platform return to the initial point through control button, shift out the product through outside robotic arm at last the utility model discloses equipment, then circulation operation realizes the efficient and detects.
Specifically, a computer console 20 is fixed on one side of the rectangular protective cover 15, and an electric control cabinet 21 is fixedly mounted on the other side of the rectangular protective cover 15.
In this embodiment, the pc console 20 is electrically connected to a plurality of servo driving units in the electric control cabinet 21, so as to drive the first transverse moving mechanism 2, the first longitudinal moving mechanism 4, the second longitudinal moving mechanism 12, the second transverse moving mechanism 13 and the flipping motor 10 according to a set detection program, so that the micro-camera 14 can move freely in a working area according to the detection program, detect the liquid crystal screen placed on the glass bearing plate 9, and then manually arrange and summarize information of products on the pc console 20.
Specifically, the first transverse moving mechanism 2 comprises double guide rail pairs 22, first Y-axis screw rods 23 are fixedly installed between the double guide rail pairs 22 in parallel, a transverse moving plate 24 is screwed in the middle of each first Y-axis screw rod 23, and a servo motor 25 is fixedly installed at the end of each first Y-axis screw rod 23.
In this embodiment, when the servo motor 25 is powered on to rotate, the first Y-axis lead screw 23 drives the transverse moving plate 24 to move along the dual-guide-rail pair 22, so as to transversely move the first longitudinal moving mechanism 4, the first support column 5, the second support column 6 and the turnover frame 8 as a whole.
Specifically, an air cylinder 26 is fixedly mounted on one side of the transverse moving plate 24, and an extension shaft of the air cylinder 26 is fixedly connected with the side of the rectangular frame 3.
In this embodiment, when the air cylinder 26 is inflated, the telescopic rod thereof drives the rectangular frame 3 to move on the transverse moving plate 24, so as to realize the longitudinal movement of the rectangular frame 3.
Specifically, an angle sensor 27 is fixed on the first support column 5, a magnetic induction sheet 28 is fixed on the short shaft 7, and a notch of the angle sensor 27 is arranged corresponding to the magnetic induction sheet 28.
In this embodiment, the angle sensor 27 is a hall sensor or a photoelectric encoder, and can perform magnetic induction or photoelectric induction on the magnetic induction sheet 28 rotating along with the short shaft 7, and when the magnetic induction sheet 28 is close to the gap of the angle sensor 27, the angle sensor 27 senses whether the current short shaft 7 and the turnover frame 8 are turned over in place, and transmits a detection signal to the console 20.
Specifically, the second longitudinal moving mechanism 12 and the second transverse moving mechanism 13 are both synchronous pulley transmission pairs.
In this embodiment, the second longitudinal moving mechanism 12 and the second transverse moving mechanism 13 are both a synchronous pulley transmission pair, and the synchronous pulley transmission pair has the advantages of accurate transmission and high corresponding speed, so that the microscope camera 14 can be carried to move on the turnover frame 8 according to a set path, and the display screen placed on the glass bearing plate 9 is subjected to shooting type detection.
The microscope camera 14 and the angle sensor 27 in the present embodiment are known technologies that have been disclosed to be widely used in industrial production and daily life.
The utility model discloses a theory of operation and use flow: the liquid crystal display is placed on a glass bearing plate 9 through a mechanical arm or a mechanical sucker, and then is positioned and fixed through a pneumatic element, when the liquid crystal display works, a first transverse moving mechanism 2 drives a first longitudinal moving mechanism 4, a turnover frame 8, a second longitudinal moving mechanism 12 and a second transverse moving mechanism 13 to transversely move on an equipment chassis 1, and the first longitudinal moving mechanism 4 drives the turnover frame 8, the second longitudinal moving mechanism 12 and the second transverse moving mechanism 13 to longitudinally move; the overturning frame 8 drives the second longitudinal moving mechanism 12 and the second transverse moving mechanism 13 to overturn under the driving of the overturning motor 10, the second transverse moving mechanism 13 drives the micro-camera 14 to move on the second longitudinal moving mechanism 12, the micro-camera is aligned to the liquid crystal screen to be detected placed on the glass bearing plate 9, each area or pixel of the liquid crystal screen is shot, and therefore accurate detection of the liquid crystal screen is achieved; in the testing process, the different colour of meeting control according to actual conditions and whether shielding of sodium lamp 17 carry out other defect inspection to the product sometimes by man, have examined the back, make work platform return to the initial point through control button, shift out the product through outside robotic arm at last the utility model discloses equipment, then circulation operation realizes the efficient and detects.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A liquid crystal screen macroscopic defect inspection equipment, includes equipment chassis (1), its characterized in that: the device comprises an equipment underframe (1), wherein a first transverse moving mechanism (2) is fixedly installed on the top surface of the equipment underframe (1), the top end of the first transverse moving mechanism (2) is movably connected with a rectangular frame (3) through a guide rail pair, inner grooves of the rectangular frame (3) are fixedly provided with a first longitudinal moving mechanism (4), two ends of the rectangular frame (3) are symmetrically fixed with a first supporting column (5) and a second supporting column (6), concentric positions of the first supporting column (5) and the second supporting column (6) are both rotationally connected with a short shaft (7) through a bearing, a turnover frame (8) is fixedly connected between the two short shafts (7), an inner frame of the turnover frame (8) is fixedly connected with a glass bearing plate (9) through a clamp, a turnover motor (10) is fixedly installed on one side of the first supporting column (5), and the turnover motor (10) is connected with the short shaft (7) through a reduction gear set (11, a second longitudinal moving mechanism (12) is fixedly mounted on one side of the turnover frame (8), a second transverse moving mechanism (13) is fixedly connected to the top end of the second longitudinal moving mechanism (12), and a micro camera (14) is movably embedded in the top end of the second transverse moving mechanism (13).
2. The liquid crystal screen macro defect inspection apparatus of claim 1, wherein: the avris of equipment chassis (1) is around having rectangle guard shield (15), the middle part fixed mounting on rectangle guard shield (15) top has lamp house (16), fixed mounting has sodium lamp (17) and refracts refraction board (18) in lamp house (16) inner chamber, the avris fixed mounting of lamp house (16) has FUU equipment (19), FUU equipment (19) intercommunication the inner chamber of lamp house (16).
3. The liquid crystal screen macro defect inspection apparatus of claim 2, wherein: a computer control console (20) is fixed on one side of the rectangular protective cover (15), and an electric control cabinet (21) is fixedly mounted on the other side of the rectangular protective cover (15).
4. The liquid crystal screen macro defect inspection apparatus of claim 1, wherein: the first transverse moving mechanism (2) comprises a double-guide-rail pair (22), a first Y-axis screw rod (23) is fixedly installed between the double-guide-rail pair (22) in parallel, a transverse moving plate (24) is screwed in the middle of the first Y-axis screw rod (23), and a servo motor (25) is fixedly installed at the end part of the first Y-axis screw rod (23).
5. The liquid crystal screen macro defect inspection apparatus of claim 4, wherein: one side fixed mounting of lateral shifting board (24) has cylinder (26), the telescopic shaft fixed connection of cylinder (26) the avris of rectangular frame (3).
6. The liquid crystal screen macro defect inspection apparatus of claim 1, wherein: an angle sensor (27) is fixed on the first supporting column (5), a magnetic induction sheet (28) is fixed on the short shaft (7), and a gap of the angle sensor (27) corresponds to the magnetic induction sheet (28).
7. The liquid crystal screen macro defect inspection apparatus of claim 1, wherein: the second longitudinal moving mechanism (12) and the second transverse moving mechanism (13) are both synchronous pulley transmission pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819883.XU CN211928347U (en) | 2020-05-16 | 2020-05-16 | Liquid crystal display macroscopic defect inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819883.XU CN211928347U (en) | 2020-05-16 | 2020-05-16 | Liquid crystal display macroscopic defect inspection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211928347U true CN211928347U (en) | 2020-11-13 |
Family
ID=73321350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020819883.XU Active CN211928347U (en) | 2020-05-16 | 2020-05-16 | Liquid crystal display macroscopic defect inspection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211928347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111522158A (en) * | 2020-05-16 | 2020-08-11 | 苏州赫鲁森精工科技有限公司 | Liquid crystal display macroscopic defect inspection equipment |
-
2020
- 2020-05-16 CN CN202020819883.XU patent/CN211928347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111522158A (en) * | 2020-05-16 | 2020-08-11 | 苏州赫鲁森精工科技有限公司 | Liquid crystal display macroscopic defect inspection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111257330B (en) | Circuit board detection machine for electronic maintenance shop | |
| CN104375293A (en) | Automatic LCD screen detecting cabinet based on machine vision | |
| CN109884810A (en) | A kind of polyphaser standard board for backlight module defects detection | |
| CN209736110U (en) | CCD visual detection equipment | |
| CN203337939U (en) | Detection device of liquid crystal display panel | |
| CN112285957B (en) | Display panel detection device | |
| CN1664535A (en) | Automatic measuring system for visual angle of liquid crystal display | |
| CN211928347U (en) | Liquid crystal display macroscopic defect inspection equipment | |
| CN110618545B (en) | Arc motion vision detection mechanism | |
| WO2022062084A1 (en) | Image acquisition device | |
| CN111522158A (en) | Liquid crystal display macroscopic defect inspection equipment | |
| CN212255132U (en) | Cell-phone glass side defect detection device | |
| CN108380521B (en) | Automatic light guide plate luminance measurement and feeding and discharging sorting equipment based on machine vision | |
| CN109813726B (en) | Device for circuit board information integration | |
| CN110987374A (en) | Lamp house with shading function | |
| CN112326693B (en) | Intelligent equipment protective glass defect detection equipment | |
| CN111122608A (en) | Cell-phone glass side defect detection device | |
| CN209343075U (en) | Test the chopping mechanism of lamp box | |
| CN218766689U (en) | Transmission and detection device for detecting appearance defects of cover plate glass | |
| CN213843698U (en) | Liquid crystal screen detection equipment | |
| CN203705754U (en) | Liquid crystal display panel detection device | |
| CN109559628B (en) | Robot movement mechanism for teaching of robot vision technology | |
| CN210090334U (en) | High-precision backlight detection mechanism | |
| CN211426240U (en) | Liquid crystal display module defect detection device convenient to convey | |
| CN107797315A (en) | Automatic joint device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |