CN217586861U - High-precision detection mechanism for liquid crystal display panel - Google Patents
High-precision detection mechanism for liquid crystal display panel Download PDFInfo
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- CN217586861U CN217586861U CN202123131583.6U CN202123131583U CN217586861U CN 217586861 U CN217586861 U CN 217586861U CN 202123131583 U CN202123131583 U CN 202123131583U CN 217586861 U CN217586861 U CN 217586861U
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Abstract
The utility model discloses a liquid crystal display panel high accuracy detection mechanism, its technical scheme main points are: the device comprises a machine table, wherein a detection assembly and a rotary fixing assembly are arranged on the machine table; the detection assembly is linked by a first module and a second module which are arranged in parallel from left to right to realize the movement in the X-axis direction, the first module and the second module are fixed on a first welding section and a second welding section, and the first welding section and the second welding section are fixed on the machine table; a third module and a fourth module which are linked to realize that the detection assembly moves in the Y-axis direction are vertically arranged on the first module and the second module, the third module and the fourth module are jointly fixed on a Y-axis section bar, and the Y-axis section bar is connected with the first module through a first fixing block group; the problems that the edge defects of the special-shaped liquid crystal panel are difficult to detect and the like are effectively solved; the focusing range of the camera module is flexibly adjusted through module linkage, and the difficulty in detection of liquid crystal panels with different thickness specifications is effectively solved.
Description
Technical Field
The utility model relates to a liquid crystal display panel detects the field, in particular to liquid crystal display panel high accuracy detection mechanism.
Background
The appearance quality of the liquid crystal panel is detected by manual visual inspection, and each product line is provided with a certain number of quality inspection personnel for manual detection. Because false detection or missed detection caused by human factors cannot be avoided, unqualified products flow to the market, and serious consequences are brought to enterprises. The manual detection cannot adapt to large-scale production due to subjectivity and low speed of the manual detection, quality reduction caused by manual fatigue and the like.
The measurement and judgment are made by a machine instead of human eyes. The machine vision system converts a shot target into an image signal through a machine vision product, transmits the image signal to a special image processing system to obtain form information of the shot target, converts the form information into a digital signal according to information such as pixel distribution, brightness, color and the like, performs various operations on the signal by the image system to extract the characteristics of the target, and controls the on-site equipment action according to a judgment result.
The liquid crystal panel detection mechanism based on the machine vision technology can accurately identify the surface defects of the products, is high in accuracy and speed, achieves statistical analysis of the defects, and finds out common defects. The existence of the panel defect, the shape, the area, the position, the defect level and other information can be judged. Thereby effectively reducing the cost and improving the product quality; however, the prior art lacks a detection mechanism design for a liquid crystal panel by adopting a machine vision technology.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a high-precision detecting mechanism for a liquid crystal display panel, so as to solve the problems mentioned in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a high-precision detection mechanism for a liquid crystal panel comprises a machine table, wherein a detection assembly and a rotary fixing assembly are arranged on the machine table; the detection assembly is linked by a first module and a second module which are arranged in parallel from left to right to realize the movement in the X-axis direction, the first module and the second module are fixed on a first welding section and a second welding section, and the first welding section and the second welding section are fixed on the machine table; a third module and a fourth module which are linked to realize that the detection assembly moves in the Y-axis direction are vertically arranged on the first module and the second module, the third module and the fourth module are jointly fixed on a Y-axis section bar, and the Y-axis section bar is connected with the first module and the second module through a first fixing block group; the third module connects the fifth module, the sixth module and the seventh module through the second fixed block group; the sixth module is connected with the first camera and the second camera through a third fixed block group to realize the movement in the Z-axis direction, and the seventh module is connected with the third camera and the fourth camera through a third fixed block group to realize the movement in the Z-axis direction of the seventh module; the fourth module connects an eighth module and a ninth module through a fourth fixed block group, the eighth module is connected with a fifth camera and a sixth camera, and the ninth module is connected with a seventh camera and an eighth camera; the third module is connected with the guide rail A through a first fixing plate, the fourth module is connected with the guide rail A through a second fixing plate, and the guide rail A is fixed on the Y-axis profile to ensure the parallelism of the Y-axis direction;
the rotary fixing component comprises a bottom plate, a tenth module and an eleventh module which are used for dragging the left supporting plate and the right supporting plate to move in the Y-axis direction are fixed on the bottom plate, the bottom plate is fixed on the machine table, a rotary motor is installed on the bottom plate, the rotary motor is connected with a twelfth module which is installed in parallel with the rotary motor through a fifth fixing block group, the twelfth module drags the rotary motor to move in the Z-axis direction, the tenth module is connected with the left supporting plate through a sixth fixing block group, and the sixth fixing block group is connected with the guide rail B to guarantee the Y-axis parallelism.
Preferably, the first camera, the second camera, the corner prism, the backlight plate and the point light source form a first camera module, the first camera is vertically installed, and the backlight plate is arranged right below the first camera; the second camera is horizontally installed, the center of the second camera is staggered with the first camera by 60mm, a lens A and a lens B are arranged outside the first camera and the second camera, one end, far away from the second camera, of the lens B is connected with the corner prism, and the point light source is arranged in the middle of the first camera.
Preferably, a square sucking disc is arranged above the left supporting plate and the right supporting plate in the rotary fixing assembly; the rotary motor is connected with the supporting rod, a square tray is arranged above the supporting rod, and a sucker is arranged above the square tray.
Preferably, the middle part of the bottom plate is provided with a hole, and the rotating motor is vertically arranged in the hole.
Preferably, the rotating motor is a servo motor, and a reducer is installed at the end of a motor shaft of the rotating motor.
Preferably, the machine table is formed by assembling and fixing a plurality of aluminum profile pieces.
Preferably, the surfaces of the guide rail a and the guide rail B are respectively provided with a teflon coating.
To sum up, the utility model discloses mainly have following beneficial effect:
the high-precision detection mechanism for the liquid crystal panel effectively solves the problems that the edge defects of the special-shaped liquid crystal panel are difficult to detect and the like through rotating the fixing assembly; the focusing range of the camera module is flexibly adjusted through module linkage, and the difficulty in detecting liquid crystal panels with different thickness specifications is effectively solved; the detection precision is obviously improved, and the yield of products is improved; and manual detection is cancelled, false detection or missing detection is avoided, and the enterprise cost is reduced.
Drawings
FIG. 1 is an overall view of the novel mechanism of the present application;
FIG. 2 is an isometric view of the inspection portion of FIG. 1;
FIG. 3 is an isometric view of the rotationally fixed portion of FIG. 1;
FIG. 4 is a fragmentary detail view of the rotationally fixed portion of FIG. 1;
FIG. 5 is a partial detail view of the camera assembly of FIG. 1;
in the figure: 1-a detection moiety; 2-a rotationally fixed part; 3-a first welding profile; 4-a third module; 5-a second fixed block set; 6-first fixing plate A; 7-a sixth module; 8-a second fixing plate; 9-a second welding profile B; 10-an eighth module; 11-guide rail a; 12-a fourth module; 13-a ninth module; 14-a second module; 15-a fifth camera; 16-a seventh camera; 17-an eighth camera; 18-a sixth camera; 19-a third camera; 20-a seventh module; 21-a third fixed block group; 22-a fourth camera; 23-a second camera; 24-a first module; 25-a fifth module; 26-a first fixed block set; 27-Y-axis profile; 29-tenth module; 30-a left support plate; 31-a support bar; 32-square tray; 33-a right support plate; 34-a fourth fixed block set; 35-guide rail B; 36-fifth fixed block group; 37-a sixth fixed block set; 38-a base plate; 39-rotating electrical machines; 40-a twelfth module; 41-an eleventh module; 101-point light source; 102-lens A; 231-a backlight plate; 232-lens B; 233-corner prism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 5, a high-precision detection mechanism for a liquid crystal panel includes a machine platform, wherein a detection assembly 1 and a rotary fixing assembly 2 are arranged on the machine platform; the detection assembly is linked by a first module 24 and a second module 14 which are arranged in parallel from left to right to realize the movement in the X-axis direction, the first module 24 and the second module 14 are fixed on a first welding section 3 and a second welding section 9, and the first welding section 3 and the second welding section 9 are fixed on a machine table; the third module 4 and the fourth module 12 which are vertically installed with the first module 24 and the second module 14 are linked to realize the movement in the Y-axis direction, the third module 4 and the fourth module 12 are jointly fixed on a Y-axis section bar 27, and the Y-axis section bar 27 is connected with the first module 24 and the second module 14 through a first fixing block group 26; the third module 4 connects the fifth module 25, the sixth module 7 and the seventh module 20 through the second fixed block group 5, so that the movement in the Y-axis direction can be realized; the sixth module 7 is connected with the first camera and the second camera 23 through the third fixed block group 21, and can realize the movement in the Z-axis direction, the seventh module 20 is connected with the third camera 19 and the fourth camera 22 through the third fixed block group 21, and the seventh module 20 can realize the movement in the Z-axis direction; the fourth module 12 connects the eighth module 10 and the ninth module 13 through the fourth fixed block group 34, the eighth module 10 is connected with the fifth camera 15 and the sixth camera 18, the ninth module 13 is connected with the seventh camera 16 and the eighth camera 17, and the structure of the ninth module is the same as that of the first camera and the second camera 23, so that the movement in the Y-axis direction and the Z-axis direction is realized. The third module 4 is connected with the guide rail A11 through the first fixing plate 6, the fourth module 12 is connected with the guide rail A11 through the second fixing plate 8, and the guide rail A11 is fixed on the Y-axis profile 27 to ensure the parallelism of the Y-axis direction.
In this embodiment, first module 24 is fixed through welding section bar 39 with second module 14, effectively guarantees the operation stationarity of camera module in the X axle direction, thereby it is more stable when detecting the defect of the upper and lower surface of LCD panel to make the camera module, third module 4 drags the camera module with fourth module 12 and can move in a flexible way in the Y axle direction, thereby the realization detects the LCD panel of different size specifications, third module 4 and fourth module 12 group's operation precision are guaranteed by linear guide A11, drag different camera modules of module and move in 4 differences in the Z axle direction, the effectual LCD panel detection problem who has solved different thickness specifications.
The rotation fixing component 2 is characterized in that: a tenth module 29 and an eleventh module 41 fixed on the bottom plate 38 drag the left support plate 30 and the right support plate 33 to move in the Y-axis direction, the bottom plate 38 is fixed on the machine table, a hole is formed in the middle of the bottom plate, a rotating motor 39 vertically installed is arranged in the hole to realize the rotating motion around the Z-axis, the rotating motor 39 is connected with a twelfth module 40 installed in parallel with the rotating motor through a fifth fixed block group 36, the twelfth module 40 drags the rotating motor 39 to realize the moving in the Z-axis direction, the tenth module 29 is connected with the left support plate 30 through a sixth fixed block group 37, and the sixth fixed block group 37 is connected with a guide rail B35 to ensure the Y-axis parallelism; the structure of the right supporting plate 33 is identical to that of the left supporting plate 30.
In this embodiment, the rotating fixing component 2 can detect liquid crystal panels with different sizes and specifications, and meanwhile, two left supporting plates 30 and two right supporting plates 33 which can be freely opened and closed are arranged on two sides of the square carriage 32, so that the problem that the edge of the liquid crystal panel with a larger size and specification is sagged when the liquid crystal panel is detected and the detection problem of the special-shaped panel are effectively solved, and the detection precision is ensured.
The first camera module comprises a first camera 23, a second camera 23, a corner prism 233, a backlight plate 231 and a point light source 101, the first camera is vertically installed, and the backlight plate 231 is arranged right below the first camera; the second camera 23 is horizontally installed, the center of the second camera 23 is staggered with the first camera by 60mm, a lens A102 and a lens B232 are arranged outside the first camera and the second camera 23, one end, far away from the second camera 23, of the lens B232 is connected with a corner prism 233, and the point light source 101 is arranged in the middle of the first camera; the second camera module, the third camera module and the fourth camera module have the same structure as the first camera module.
In this embodiment, the first camera module, the second camera module, the third camera module, and the fourth camera module enhance the photographing effect through the point light source 101, and effectively filter the interference image through the backlight plate 231, thereby achieving high-precision detection.
In this embodiment, a square suction cup is arranged above the left support plate 30 and the right support plate 33 in the rotation fixing component 2; the rotating motor 39 is connected with the support rod 31, a square tray 32 is arranged above the rotating motor, a sucker is arranged above the tray 32, and in the embodiment, the square sucker is arranged above the square tray 32, so that the stability of the liquid crystal panel in the rotating process is effectively solved.
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 (7)
1. A liquid crystal display panel high accuracy detection mechanism, includes the board, its characterized in that: the machine table is provided with a detection assembly (1) and a rotary fixing assembly (2); the detection assembly (1) is moved in the X-axis direction through the linkage of a first module (24) and a second module (14) which are arranged in parallel from left to right, the first module (24) and the second module (14) are fixed on a first welding profile (3) and a second welding profile (9), and the first welding profile (3) and the second welding profile (9) are fixed on the machine table; a third module (4) and a fourth module (12) which are linked to realize that the detection assembly (1) moves in the Y-axis direction are vertically arranged on the first module (24) and the second module (14), the third module (4) and the fourth module (12) are jointly fixed on a Y-axis section bar (27), and the Y-axis section bar (27) is connected with the first module (24) and the second module (14) through a first fixing block group (26); the third module (4) connects the fifth module (25), the sixth module (7) and the seventh module (20) through the second fixed block group (5); the sixth module (7) is connected with the first camera and the second camera (23) through a third fixed block group (21) to realize the movement in the Z-axis direction, and the seventh module (20) is connected with the third camera (19) and the fourth camera (22) through the third fixed block group (21) to realize the movement in the Z-axis direction of the seventh module (20); the fourth module (12) connects the eighth module (10) and the ninth module (13) through a fourth fixed block group (34), the eighth module (10) is connected with the fifth camera (15) and the sixth camera (18), and the ninth module (13) is connected with the seventh camera (16) and the eighth camera (17); the third module (4) is connected with the guide rail A (11) through a first fixing plate (6), the fourth module (12) is connected with the guide rail A (11) through a second fixing plate (8), and the guide rail A (11) is fixed on a Y-axis profile (27) to ensure the parallelism of the Y-axis direction;
rotatory fixed subassembly (2) include bottom plate (38), be fixed with on bottom plate (38) and drag tenth module (29), eleventh module (41) that left branch fagging (30) and right branch fagging (33) realized removing in Y axle direction, bottom plate (38) are fixed in the board, install rotating electrical machines (39) on the bottom plate, rotating electrical machines (39) link to each other with twelfth module (40) of rotating electrical machines (39) parallel mount through fifth fixed block group (36), twelfth module (40) drag rotating electrical machines (39) and realize the removal of Z axle direction, tenth module (29) link to each other with backup pad (30) through sixth fixed block group (37), sixth fixed block group (37) link to each other with guide rail B (35) and guarantee Y axle depth of parallelism.
2. The high-precision detection mechanism for the liquid crystal display panel according to claim 1, wherein: the first camera and the second camera (23), the corner prism (233), the backlight plate (231) and the point light source (101) form a first camera module, the first camera is vertically installed, and the backlight plate (231) is arranged right below the first camera; the second camera (23) is horizontally installed, the center of the second camera (23) is staggered with the first camera by 60mm, a lens A (102) and a lens B (232) are arranged outside the first camera and the second camera (23), one end, far away from the second camera (23), of the lens B (232) is connected with the corner prism (233), and the point light source (101) is arranged in the middle of the first camera.
3. The high-precision detection mechanism for the liquid crystal display panel according to claim 1, wherein: a square sucking disc is arranged above the left supporting plate (30) and the right supporting plate (33) in the rotary fixing component (2); the rotary motor (39) is connected with the supporting rod (31), a square tray (32) is arranged above the supporting rod (31), and a sucker is arranged above the square tray (32).
4. The high-precision detection mechanism for the liquid crystal display panel according to claim 1, wherein: the middle part of the bottom plate is provided with a hole, and the rotating motor (39) is vertically arranged in the hole.
5. The high-precision detection mechanism for the liquid crystal display panel according to claim 1, wherein: the rotating motor (39) is a servo motor, and a speed reducer is installed at the end part of a motor shaft of the rotating motor (39).
6. The high-precision detection mechanism for the liquid crystal display panel according to claim 1, wherein: the machine platform is formed by assembling and fixing a plurality of aluminum profile pieces.
7. The liquid crystal display panel high-precision detection mechanism according to claim 1, wherein: and the surfaces of the guide rail A (11) and the guide rail B (35) are respectively provided with a Teflon coating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123131583.6U CN217586861U (en) | 2021-12-14 | 2021-12-14 | High-precision detection mechanism for liquid crystal display panel |
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| CN202123131583.6U CN217586861U (en) | 2021-12-14 | 2021-12-14 | High-precision detection mechanism for liquid crystal display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117368200A (en) * | 2023-12-04 | 2024-01-09 | 荣旗工业科技(苏州)股份有限公司 | Product appearance detection equipment |
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2021
- 2021-12-14 CN CN202123131583.6U patent/CN217586861U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117368200A (en) * | 2023-12-04 | 2024-01-09 | 荣旗工业科技(苏州)股份有限公司 | Product appearance detection equipment |
| CN117368200B (en) * | 2023-12-04 | 2024-04-19 | 荣旗工业科技(苏州)股份有限公司 | Product appearance detection equipment |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A High Precision Detection Mechanism for LCD Panel Effective date of registration: 20221116 Granted publication date: 20221014 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi branch Pledgor: WUXI SHANGSHI ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2022320000713 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |