CN111624208B - Panel residual material detection device and detection method - Google Patents
Panel residual material detection device and detection method Download PDFInfo
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- CN111624208B CN111624208B CN202010424389.8A CN202010424389A CN111624208B CN 111624208 B CN111624208 B CN 111624208B CN 202010424389 A CN202010424389 A CN 202010424389A CN 111624208 B CN111624208 B CN 111624208B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N2021/9513—Liquid crystal panels
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The application discloses a panel residual material detection device and a detection method, which are used for detecting residual materials on the edge of a glass panel, wherein the panel residual material detection device comprises a control unit, a chassis, a plurality of alignment bolts arranged on four sides of the chassis and four gratings correspondingly arranged on the four sides of the chassis; the control unit regulates and controls the positions of the alignment bolts and the chassis to preset cutting positions, and two ends of the edge of the grating are respectively transversely arranged on two adjacent alignment bolts; when the residual material blocks a grating signal sent by the grating, the alarm is started through panel residual material detection software.
Description
Technical Field
The application relates to the technical field of display, in particular to a panel residual material detection device and a detection method.
Background
In the liquid crystal display Panel industry, in order to convert a large Glass substrate (Glass) after being formed into a box into a Glass Panel (Panel) with a required size, a cutting process (Cut) must be performed. In this process, a large amount of Glass cullet (Dummy Glass) is generated.
The development of cutting technology has gone through the development process from single-sided cutting to double-sided cutting. Generally, in a low-generation production line (< G6) or a Q product, a cutting process of an array substrate (TFT) → TFT splitting → color filter substrate (CF) → CF splitting → pick-up, or a cutting process of an array substrate (TFT) → color filter substrate (CF) → splitting → pick-up is performed. The equipment can adopt a full-automatic online control (Inline) mode, and the generated Dummy Glass is detected by adopting a vacuum adsorption method; the Dummy may also be removed manually in a Semi-automatic operation (Semi-Auto) mode. The cutting process of the advanced production line (> G6) is generally performed in a manner of simultaneous up-and-down cutting of double surfaces in consideration of cutting efficiency and other factors, and the equipment generally adopts a full-automatic online control manner.
No matter which kind of cutting equipment above-mentioned, as long as the operation of full-automatic on-line control mode, it is all to get the piece process: the glass Panel (Panel) is taken away by the robot (Pickup Hand) and passed on to the next unit by a Conveyor (Conveyor) and the remaining Dummy is passed to a waste glass recovery unit for collection. In order to prevent Dummy entering downstream equipment along with Panel, the defects of surface scratching, edge breakage and the like of Panel are caused. The prior art can generally detect the presence or absence of Dummy in the following manner: the method comprises the steps that after secondary cutting is carried out on a cutting machine, discharged Panel can be subjected to alignment detection at a Dummy check (residual material detection unit) to detect whether residual materials are left on glass or not, an alignment pin (alignment bolt) advances to contact the glass and then pushes the glass to reach a set position to carry out alignment, whether residual materials exist or not is confirmed, and if residual materials exist, the alignment pin cannot reach an appointed position to give an alarm. Fig. 1 is a schematic diagram illustrating the missing detection of the residual material in the residual material detecting unit of the prior art. The alignment pins 20 are arranged at intervals, and when the residual position of the residual material 11 on a certain section of the panel 10 on the panel 10 is not at the corresponding position of the alignment pins 20, the residual material 11 cannot be accurately detected, so that the residual material enters downstream equipment along with the panel, and the surface of the panel is scratched, the edge is damaged, and other defects are caused.
In view of the above, a panel scrap detecting apparatus and a panel scrap detecting method are needed to solve the above-mentioned technical problems.
Disclosure of Invention
The embodiment of the application provides a panel residual material detection device and a detection method, which can improve the accuracy of residual material detection and reduce the risk that glass carries residual materials to enter a downstream machine table, and solves the technical problems that in the panel residual material detection device and the detection method in the prior art, as alignment bolts are arranged at intervals in a residual material detection unit, when the residual position of the residual material on a certain section of a panel is not at the corresponding position of the alignment bolts, the residual material cannot be accurately detected, the residual material enters downstream equipment along with the panel, and the surface of the panel is scratched, the edge is damaged and the like.
The embodiment of the application provides a panel residual material detection device, which is used for detecting residual materials on the edge of a glass panel and comprises a control unit, a chassis, a plurality of alignment bolts arranged on four sides of the chassis and four gratings correspondingly arranged on four sides of the chassis; the control unit regulates and controls the positions of the alignment bolts and the chassis to preset cutting positions, and two ends of the edge of the grating are respectively transversely arranged on two adjacent alignment bolts;
when the residual material blocks a grating signal sent by the grating, the alarm is started through panel residual material detection software.
In some embodiments, a servo motor is connected to each grating, and the servo motor drives the grating to move parallel to a driving force corresponding to one side of the chassis.
In some embodiments, the gratings are strip-shaped, and the length of each grating is greater than the distance between two adjacent alignment pins arranged on the same side of the chassis.
In some embodiments, four of the gratings move parallel to four sides of the chassis and enclose a second detection area for detecting whether there is any remnant exceeding the detection size at the edge of the glass panel.
In some embodiments, the preset cutting position is a position where the alignment pin surrounds the edge of the glass panel and a portion of the remnant of the glass panel facing the glass panel abuts against the glass panel.
In some embodiments, a plurality of floating cushions are arranged on the surface of the chassis, and the gas blown by the floating cushions is pressed against the glass panel.
The embodiment of the application also provides a panel residual material detection method, which comprises the steps of providing the panel residual material detection device, presetting a preset value of a preset cutting position, and comprising the following steps:
s10, driving the glass substrate to move to a preset cutting position, and enabling the alignment bolt in the panel residual material detection device to be aligned with the glass substrate;
s20, driving the grating to move to the preset cutting position, and judging whether residual materials exist in the glass panel;
s30, when the remnant exists, the remnant blocks the grating signal sent by the grating, the panel remnant detection software starts an alarm, and the machine is stopped.
In some embodiments, in S10, the alignment pins disposed on the same side of the chassis are arranged at intervals.
In some embodiments, in S20, a servo motor is connected to each grating, and the servo motor drives the grating to move parallel to a driving force corresponding to one side of the chassis.
In some embodiments, the gratings are strip-shaped, and the length of each grating is greater than the distance between two adjacent alignment pins arranged on the same side of the chassis.
According to the panel residual material detection device and the detection method, the gratings are arranged on the four sides of the chassis of the residual material detection unit and connected with the servo motors, so that the residual material detection accuracy is further improved, and the risk that the glass panel carries residual materials to enter a downstream machine table is further reduced.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1 is a schematic diagram illustrating the presence of missing residual material in a residual material detecting unit according to the prior art.
Fig. 2 is a schematic top view of a panel residual material detection apparatus according to an embodiment of the present application.
Fig. 3 is a schematic side view of a grating in the panel residual detecting device according to the embodiment of the present application.
Fig. 4 is a schematic flow chart illustrating a panel residual material detection method according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the application aims at the panel residual material detection device and the detection method in the prior art, and the alignment bolts in the residual material detection unit are arranged at intervals, so that when the residual position of the residual material on a certain section of the panel is not at the corresponding position of the alignment bolts, the residual material cannot be accurately detected, the residual material enters downstream equipment along with the panel, the surface of the panel is scratched, the edge is damaged, and other poor technical problems are solved.
Fig. 2 is a schematic top view of a panel remnant detecting device according to an embodiment of the present application. The panel residual material detection device 30 is used for detecting residual materials on the edge of a glass panel, and the panel residual material detection device 30 further comprises a control unit, a chassis 31, a plurality of alignment pins (pin)32 arranged on four sides of the chassis, and four gratings 33 correspondingly arranged on four sides of the chassis 31; the alignment pins (pins) 32 can move parallel to the chassis 31 and enclose a first detection area, the control unit regulates and controls the positions of the alignment pins (pins) 32 and the chassis to a preset cutting position, and two ends of the edge of the grating 33 are respectively transversely arranged on two adjacent alignment pins (pins) 32;
when the residual material blocks the grating signal sent by the grating 33, an alarm is started through panel residual material detection software.
Specifically, the grating 33 is a long strip, and the length of each grating 33 is greater than the distance between two adjacent alignment pins (pins) 32 disposed on the same side of the chassis 31.
Specifically, the preset cutting position is a position where the alignment pin (pin)32 surrounds the edge of the glass panel and the portion of the remnant of the glass panel facing the glass panel abuts against the glass panel.
Specifically, a plurality of Float pads (Float Pad)34 are further provided on the surface of the base plate 31, and the gas blown out from the Float pads (Float Pad)34 abuts against the glass panel.
Fig. 3 is a schematic side view of a grating in the panel residual material detection apparatus according to the embodiment of the present disclosure. Each grating 33 is connected with a servo motor 35, and the servo motor 35 drives the grating 33 to move parallel to the driving force corresponding to one side of the chassis 11. The servo motors 35 are distributed along the X-axis and Y-axis of the chassis 31 and servo-control the movement of the grating 33.
Specifically, the four gratings 33 move parallel to four sides of the chassis 31 and enclose a second detection area for detecting whether there is any residual material exceeding the detection size at the edge of the glass panel 40.
Further, the detection operation principle of the panel remnant detecting device 30 provided by the present application is as follows:
first, the glass substrate 40 enters a defective material detection unit area (Dummy check) of the panel defective material detection apparatus 30 through a conveyor belt; then, a plurality of the floating pads (Float Pad)34 are lifted, and the glass substrate 40 is in a 2-suspension state by blowing air, so that the resistance in moving is reduced, and the surface scratch is prevented; then, the alignment pin (pin)32 advances to contact the glass substrate 40 and pushes the glass substrate 40 to reach a preset cutting position for alignment; then, after the alignment pins (pins) 32 finish aligning the glass substrate 40, the servo motors 35 respectively control the corresponding gratings 33 to move to the preset cutting positions, and determine whether residual materials remain on the whole edge of the chassis 31; when the residual wood blocks the grating signal emitted by the grating 33, the machine platform starts an alarm and stops the machine through panel residual wood detection software, and the machine is recovered after the personnel confirm to process the residual wood; finally, after confirming that there is no residue, the Float Pad (Float Pad)34 stops blowing air, the alignment pin (pin)32 returns to the standby position, the Float Pad (Float Pad)34 descends, and the glass substrate 40 is placed back on the belt and then conveyed to the next mechanism.
This application embodiment is when detecting the defective wood, need confirm the position that the grating reachd at every turn, will confirm the position of floating pad simultaneously, prevent to arrive in the glass face or the floating pad blocks that the grating leads to the misinduction warning.
The panel residual material detection Device provided by the embodiment of the application can improve the accuracy of residual material detection, on one hand, the risk that a glass substrate is aligned and clamped after the residual material is carried into an inspection machine is reduced, on the other hand, the risk that the residual material hits a Charge-coupled Device (CCD) when the CCD is scanned is reduced, and the capacity loss caused by breakdown is prevented.
Fig. 4 is a schematic flow chart of a panel residual material detection method according to an embodiment of the present disclosure. The method comprises the following steps:
and S10, driving the glass substrate to move to a preset cutting position, so that the alignment bolt in the panel residual material detection device is aligned with the glass substrate.
Specifically, the S10 further includes:
providing a panel residual material detection device, wherein the glass substrate enters a residual material detection unit area (Dummy check) of the panel residual material detection device through a conveyor belt; then, a plurality of floating pads (Float Pad) rise, and the glass substrate is in a suspension state by blowing air, so that the resistance in movement is reduced, and the surface scratch is prevented; then, the alignment pin (pin) advances to contact the glass substrate and pushes the glass substrate to reach a preset cutting position for alignment. The alignment bolts are arranged on the same side of the chassis at intervals.
And S20, driving the grating to move to the preset cutting position, and judging whether the glass panel has residual materials.
Specifically, the S20 further includes:
when the alignment pin (pin) aligns the glass substrate, the servo motors respectively control the corresponding gratings to move to the preset cutting positions, and whether residual materials are left on the whole edge of the chassis is determined. Each grating is connected with a servo motor, and the servo motor drives the grating to move parallel to a driving force corresponding to one side of the chassis; the grating is strip-shaped, and the length of each grating is greater than the distance between two adjacent alignment bolts arranged on the same side of the chassis.
S30, when the remnant exists, the remnant blocks the grating signal sent by the grating, the panel remnant detection software starts an alarm, and the machine is stopped.
Specifically, the S30 further includes:
when the residual material blocks the grating signal emitted by the grating, the machine platform starts an alarm and stops the machine through panel residual material detection software, and the machine is recovered after the personnel confirm to process the residual material; finally, after confirming that there is no residue, the Float Pad (Float Pad) stops blowing air, the alignment pin (pin) returns to the standby position, the Float Pad (Float Pad) descends, and the glass substrate is placed back on the belt and then conveyed to the next mechanism.
In the panel residual material detection method provided by the embodiment of the application, when detecting residual materials in the step S20, the position that the grating arrives each time needs to be confirmed, and the position of the floating pad needs to be confirmed at the same time, so that the situation that the grating arrives in the glass surface or the floating pad blocks the grating to cause misinduction alarm is prevented.
The panel residual material detection Device provided by the embodiment of the application can improve the accuracy of residual material detection, on one hand, the risk that a glass substrate is aligned and clamped after the residual material is carried into an inspection machine is reduced, on the other hand, the risk that the residual material hits a Charge-coupled Device (CCD) when the CCD is scanned is reduced, and the capacity loss caused by breakdown is prevented.
According to the panel residual material detection device and the detection method, the gratings are arranged on the four sides of the chassis of the residual material detection unit and connected with the servo motors, so that the residual material detection accuracy is further improved, and the risk that the glass panel carries residual materials to enter a downstream machine table is further reduced.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The panel residual material detection device and the detection method provided by the embodiment of the application are described in detail above, a specific example is applied in the description to explain the principle and the implementation of the application, and the description of the embodiment is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A panel residual material detection device is used for detecting residual materials on the edge of a glass panel and is characterized by comprising a control unit, a chassis, a plurality of alignment bolts arranged on four sides of the chassis and four gratings correspondingly arranged on four sides of the chassis; the control unit regulates and controls the positions of the alignment bolts and the chassis to preset cutting positions, and two ends of the edge of the grating are respectively transversely arranged on two adjacent alignment bolts;
when the residual material blocks a grating signal sent by the grating, the alarm is started through panel residual material detection software.
2. The apparatus as claimed in claim 1, wherein each of the gratings is connected to a servo motor, and the servo motor drives the grating to move parallel to a driving force corresponding to one side of the chassis.
3. The panel residue detecting device of claim 2, wherein the gratings are elongated, and a length of each grating is greater than a distance between two adjacent alignment pins disposed on a same side of the chassis.
4. The panel residue detecting device of claim 3, wherein four of the gratings move parallel to four sides of the chassis and enclose a second detecting area for detecting if there is residue on the edge of the glass panel exceeding a detecting size.
5. The panel residue detecting device of claim 1, wherein the preset cutting position is a position where the alignment pin surrounds the edge of the glass panel and a portion of the residue of the glass panel facing the glass panel abuts against the edge of the glass panel.
6. The panel residue detecting apparatus according to claim 1, wherein a plurality of floating pads are further disposed on the surface of the base plate, and the gas blown by the floating pads is pressed against the glass panel.
7. A panel residue detecting method, comprising providing the panel residue detecting apparatus of claim 1, and presetting a preset value of a preset cutting position, the method comprising:
s10, driving the glass substrate to move to a preset cutting position, and enabling the alignment bolt in the panel residual material detection device to be aligned with the glass substrate;
s20, driving the grating to move to the preset cutting position, and judging whether residual materials exist in the glass panel;
s30, when the remnant exists, the remnant blocks the grating signal sent by the grating, the panel remnant detection software starts an alarm, and the machine is stopped.
8. The panel residue detecting method of claim 7, wherein in the S10, the plurality of alignment pins disposed on the same side of the chassis are arranged at intervals.
9. The panel residue detecting method of claim 7, wherein in the step S20, each grating is connected to a servo motor, and the servo motor drives the grating to move parallel to a driving force corresponding to one side of the chassis.
10. The method as claimed in claim 9, wherein the gratings are elongated, and the length of each grating is greater than the distance between two adjacent alignment pins disposed on the same side of the chassis.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424389.8A CN111624208B (en) | 2020-05-19 | 2020-05-19 | Panel residual material detection device and detection method |
| PCT/CN2020/132806 WO2021232742A1 (en) | 2020-05-19 | 2020-11-30 | Panel residual material detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010424389.8A CN111624208B (en) | 2020-05-19 | 2020-05-19 | Panel residual material detection device and detection method |
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| CN111624208A CN111624208A (en) | 2020-09-04 |
| CN111624208B true CN111624208B (en) | 2021-08-24 |
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| CN202010424389.8A Active CN111624208B (en) | 2020-05-19 | 2020-05-19 | Panel residual material detection device and detection method |
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| WO (1) | WO2021232742A1 (en) |
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| CN111624208B (en) * | 2020-05-19 | 2021-08-24 | 深圳市华星光电半导体显示技术有限公司 | Panel residual material detection device and detection method |
| CN113050313B (en) * | 2021-03-30 | 2022-07-22 | 长沙惠科光电有限公司 | Lobe separating equipment |
| CN113523591B (en) * | 2021-06-25 | 2023-08-18 | 深圳市大族半导体装备科技有限公司 | Variable carrier and laser cutting equipment |
| CN114184551B (en) * | 2021-12-14 | 2024-03-08 | 乐金显示光电科技(中国)有限公司 | Quality inspection system for glass substrate metal film |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230910A (en) * | 1999-02-12 | 2000-08-22 | Advanced Display Inc | Inspection apparatus and removing apparatus for substrate-adhering foreign matter and method and removing adhered foreign matter |
| KR100798320B1 (en) * | 2002-03-06 | 2008-01-28 | 엘지.필립스 엘시디 주식회사 | Appratus and method for testing liquid crystal display panel |
| KR100835537B1 (en) * | 2006-11-07 | 2008-06-05 | (주)미래컴퍼니 | Apparatus for inspecting edge of glass plate |
| CN101825780B (en) * | 2009-03-05 | 2011-08-24 | 北京京东方光电科技有限公司 | Device and method for detecting and removing residual material on periphery of liquid crystal panel |
| CN202305836U (en) * | 2011-11-01 | 2012-07-04 | 北京京东方光电科技有限公司 | Glass substrate residual material detection apparatus |
| CN103017706B (en) * | 2012-11-26 | 2015-09-30 | 京东方科技集团股份有限公司 | A kind of substrate detection apparatus |
| CN104193159B (en) * | 2014-08-14 | 2017-02-01 | 深圳市华星光电技术有限公司 | Residue detection and removal device and method |
| CN104808360B (en) * | 2015-04-30 | 2018-05-29 | 深圳市华星光电技术有限公司 | A kind of detection erecting device of liquid crystal display panel |
| CN106200038B (en) * | 2016-07-13 | 2019-07-30 | 芜湖东旭光电科技有限公司 | A kind of the edge detection system and its detection method of glass substrate |
| CN107067421B (en) * | 2017-05-12 | 2020-02-28 | 京东方科技集团股份有限公司 | Method, device and system for detecting residual materials of substrate |
| CN208688987U (en) * | 2019-02-26 | 2019-04-02 | 征图新视（江苏）科技有限公司 | Polaroid defect detecting device based on grating image |
| CN111624208B (en) * | 2020-05-19 | 2021-08-24 | 深圳市华星光电半导体显示技术有限公司 | Panel residual material detection device and detection method |
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| WO2021232742A1 (en) | 2021-11-25 |
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