KR101720007B1 - Apparatus For Glass Inspection - Google Patents
Apparatus For Glass Inspection Download PDFInfo
- Publication number
- KR101720007B1 KR101720007B1 KR1020150095046A KR20150095046A KR101720007B1 KR 101720007 B1 KR101720007 B1 KR 101720007B1 KR 1020150095046 A KR1020150095046 A KR 1020150095046A KR 20150095046 A KR20150095046 A KR 20150095046A KR 101720007 B1 KR101720007 B1 KR 101720007B1
- Authority
- KR
- South Korea
- Prior art keywords
- glass
- inspection
- unit
- picking
- inspection means
- Prior art date
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Classifications
-
- 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
- G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/061—Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/041—Camera
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/02—Mechanical
- G01N2201/021—Special mounting in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/10—Scanning
- G01N2201/102—Video camera
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The glass inspection apparatus according to the present invention comprises: a carrying unit for carrying a glass from outside; An inspection unit for performing a surface inspection on the glass carried by the carrying unit; A take-out unit for taking out the glass having been inspected by the inspection unit; A first picking unit for gripping the glass carried by the carry-in unit and providing the glass to the inspection unit; A second picking unit for picking up a glass having been inspected by the inspection unit and providing the glass to the carry-out unit; A control unit for controlling each of the above units and determining whether the glass inspected by the inspection unit is defective; .
According to the present invention, the glass inspection apparatus can reduce the time required for the inspection process to increase the work productivity of the glass, and can increase the reliability of the product by the inspection according to the inspection period of the glass.
In addition, it is possible to increase the work efficiency by inputting a normal glass algorithm in the inspection apparatus, and it is possible to automatically determine whether or not the glass is defective, thereby simplifying the work process.
Finally, since the inspection is performed not only on the glass surface but also on the inside, the top surface, the bottom surface and the side surface, the inspection time and the post-treatment work can be greatly reduced.
Description
The present invention relates to a glass inspection apparatus.
In recent years, liquid crystal displays (LCDs) have been widely adopted in mobile phones, tablet PCs, monitors, and television receivers for high-performance and high-quality implementations and thin plate types.
The liquid crystal display device is a combination of a liquid crystal and a backlight unit.
The backlight unit provides light, and the light provided by the backlight unit forms a screen while refracting in different patterns in the liquid crystal.
The screen is referred to as a glass, and the glass is made of a glass material. In order to provide a high-quality liquid crystal display device, the quality of the glass must be ensured.
Further, there is a need for an apparatus for checking whether the state of the glass, for example, breakage, foreign matter, bubbles, etc., has occurred for the quality of the glass.
In this connection, there is a prior art relating to a glass inspection apparatus disclosed in Korean Patent Laid-Open Publication No. 10-2013-0141950 (published on Dec. 21, 2013) (hereinafter referred to as "prior art").
However, the conventional glass inspection apparatuses including the conventional art have a problem of product due to the glass defect rate because there is no separate inspection section, only the upper surface and the surface of the glass are inspected and the time required for each inspection region of the product is large, The productivity is lowered.
In addition, since the defective rate of the product due to the glass problem can not be minimized, the cost reduction of the product can not be realized, the production of the good product can not be increased, and the reliability of the product can not be increased.
It is an object of the present invention to reduce the inspection process time of a glass and to reduce the cost of product inspection to increase the reliability of the product and to provide productivity. .
According to an aspect of the present invention, there is provided a glass inspecting apparatus comprising: a receiving unit for receiving a glass from an outside; An inspection unit for performing a surface inspection on the glass carried by the carrying unit; A take-out unit for taking out the glass having been inspected by the inspection unit; A first picking unit for gripping the glass carried by the carry-in unit and providing the glass to the inspection unit; A second picking unit for picking up a glass having been inspected by the inspection unit and providing the glass to the carry-out unit; A control unit for controlling each of the above units and determining whether the glass inspected by the inspection unit is defective; .
The inspection unit may further include: a support unit for supporting the glass provided by the first picking unit; And a tester for inspecting a surface of the glass supported on the table; .
The inspection device may further comprise: first inspection means for inspecting a surface of the glass in the first state; And second inspection means for inspecting a surface of a glass in a second state rotated 90 degrees in the first state; .
Next, the recipient has a rotation means for rotating the glass by 90 degrees in order to change the glass from the first state to the second state.
Wherein the inspection unit is configured to detect at least the inspection position by the first inspection means and the inspection position by the second inspection means so that the inspection by the first inspection means and the inspection by the second inspection means can be sequentially performed, A mobile device for moving the device; .
The first inspection means and the second inspection means include at least two cameras for photographing the surface of the glass that has been inspected by the inspection device; And the control unit determines whether the glass is defective based on the inspection result by the inspection unit.
The inspection unit may include: a supporting device for supporting the glass moved from the supporting device; .
The inspection device may further include third inspection means for inspecting the glass moved from the supporting device, and the third inspection means inspects the surface and the interior of the glass.
The third inspection means may include at least one camera for photographing the glass surface and the inside of the glass moved from the supporting device; .
The control unit controls the second picking unit according to whether the inspection glass is defective or not.
Further, the carry-out section is provided with a different movement path depending on whether the glass is defective
The control unit controls the second picking unit to provide the determined glass on each movement path.
The glass inspection apparatus further includes a passing part located between the carry-out part and the carrying part, and the passing part directly moves the carried glass from the carrying part.
Wherein the bringing unit comprises: an aligner for aligning the first picking part to a glass size so as to grasp the glass; And a sensor for sensing the glass so that the first picking unit can grasp the glass; .
The effects expected from the glass testing apparatus of the present invention are as follows.
First, it reduces the time required for the inspection process of the glass, thereby increasing the work productivity of the glass.
Second, the reliability of the glass can be improved by the area-specific inspection according to the inspection interval in the glass.
Third, it is possible to increase the working efficiency of the glass by inputting the normal glass algorithm in the inspection apparatus.
Fourth, it is possible to simplify the work process by automatically determining whether or not the glass is defective.
Fifth, since the inspection is performed not only on the glass surface but also on the inside, the top surface, the bottom surface, and the side surface, the inspection time and the post-treatment work can be greatly reduced.
1 is a schematic perspective view of a glass inspection apparatus according to an embodiment of the present invention.
Fig. 2 is a reference diagram for explaining the glass loading step and the first holding step in the process of the present invention.
3 is a reference diagram for explaining a glass seating step in the process of the present invention.
4 is a reference diagram for explaining the glass first direction inspection step in the process of the present invention.
5 is a reference diagram for explaining the glass second direction inspection step in the process of the present invention.
6 is a reference view for explaining the glass top and bottom inspection steps in the process of the present invention.
Fig. 7 is a reference diagram for explaining the order of the glass loading step and the inspection step in the process of the present invention.
8 is a reference view for explaining the glass bring-in step, the inspection step and the second grasping step in the process of the present invention.
9 is a reference diagram for explaining a glass loading step, an inspection step, a second holding step, and a loading position in the process of the present invention.
10 is a reference diagram for explaining the glass bring-in step and the inspection step in the process of the present invention.
11 is a reference diagram for explaining the glass bringing-in step, the passing step, and the taking-out step in the process of the present invention.
The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for the sake of brevity.
1. Explanation of the components of the glass inspection apparatus
1 is a schematic perspective view of a
The
The
In the embodiment of the present invention, the carry-in
Further, the
The
The glass moved to the predetermined position is moved to the
The
When the glass is loaded by the
In this case, it is most preferable that the glass placed on the
The
Hereinafter, the first to third inspection means according to the embodiment of the present invention will be described, but various arrangements may be made according to the embodiments.
Here, the first inspection means 1220A is provided with a first line scan camera and mirror-side light illumination, and inspects the glass moved from the
Here, the mirror-side light illumination is located at the bottom of the first line scan camera and irradiates light to the glass, and the first line scan camera is installed to acquire an image, and mirror-light illumination illuminates the glass in the first direction. Here, the glass in the first direction means a long direction.
The first line scan camera is a camera for photographing in a direction in which light is irradiated by mirror-side light illumination, which is positioned perpendicular to the glass, and acquires an image on the surface of the glass moved downward.
In addition, the first line scan camera scans the glass in the first direction to check whether scratches, cracks, breakage, breakage, pressing, bubbles, etc. existing in the glass exist in the glass.
Also, the second inspection means 1220B is provided with a second line scan camera and bar-light illumination, and inspects the glass moved from the
Here, the bar metering illumination is located at the bottom of the second line scan camera and irradiates light to the glass, and the second line scan camera is installed to acquire an image, and the bar metering illumination irradiates the glass in the second direction.
Here, the glass in the second direction means a short direction.
The second line scan camera is a camera which is positioned vertically to the glass and is photographed in the direction in which the light is irradiated by the bar light illumination, and acquires an image on the surface of the glass moved downward.
In addition, the second line scan camera scans the glass in the second direction to check whether or not a directional scratch, a directional crack, a pinhole, a foreign object in the camera window, a scratch, a dent, a print smear, do.
Next, the third inspection means 1220C includes Area Scan Camera, coaxial illumination and special illumination.
Here, the area scan camera is positioned perpendicular to the glass to be inspected and photographs the area of the frozen glass.
The coaxial illumination and special illumination are installed in the bottom of the camera and illuminate the glass so that the area scan camera irradiates the glass to check whether the glass is defective or not.
Here, the special illumination may be provided in two or more depending on the implementation.
The third inspection means 1220C also inspects the glass through coaxial illumination, special illumination, and backlighting of the
The supporting
The
Here, the backlight illumination is located at the lower portion of the
At this time, when the coaxial illumination and the special illumination do not irradiate light to the glass, the third inspection means 1220C irradiates the glass with the backlight illumination to inspect the lower part of the glass.
In addition, the
In the embodiment of the present invention, although the sliding door is provided for moving left and right, it can be variously changed as long as it can block the light.
When coaxial illumination and special illumination are applied to the glass, the
When the backlight illumination is applied to the
At this time, the coaxial illumination and the special illumination do not irradiate the glass.
The
The
In addition, a
The take-out
In addition, two or more are provided, and are loaded and discharged differently depending on the light condition of the glass.
The
Here, the
The glass loaded on the
The
The
Further, the
The
In addition, the
Next, the
In the take-out
In addition, although the take-out
The passing
The
Hereinafter, the operation of the
2. Explanation of the operating sequence of the glass testing device
The
The carry-in
The
The glass of the present invention is divided into a first glass (G1), a second glass (G2), a third glass (G3) and a fourth glass (G4) And is divided according to the order of inspection by the
When the first glass G1 and the second glass G2 are carried into the
Then, the
The
The
The
3, the
The
The
The
Here, the
4, the
Further, the first glass G1 is placed on the
Then, the
The first glass G1 is inspected by the first inspection means 1220A and the second inspection means 1220B at the same time that the
The first inspection means 1220A includes a first line scan camera and a mirror-side light illumination, and the first line scan camera photographs the first glass G1 by mirror-side light illumination.
In addition, the first glass G1 inspected in the first direction by the first inspection means 1220A is referred to as a first state S1.
The first glass G1 in the first state S1 is a state in which scratches, cracks, cracks, breakage, pressing, bubbles, etc. existing in the first glass G1 through the first line scan camera and mirror- to be.
The first glass G1 is moved to the second inspection means 1220B by the
At this time, the
The first glass G1 which has been inspected in the first state S1 is rotated 90 degrees and moved to the second inspection means 1220B.
Further, when the first glass G1 rotates and moves to the second inspection means 1220B, the side surface of the first glass G1 can be inspected.
The second inspection means 1220B includes a second line scan camera and a bar light illumination, and the second line scan camera takes a first glass G1 by mirror-side light illumination.
The first glass G1 inspected in the second direction by the second inspection means 1220A is referred to as a second state S2.
The first glass G1 in the second state S2 is illuminated by a directional scratch, a directional crack, a pinhole, a foreign object in the camera window, scratches, dents, and the like existing in the first glass G1 through the second line- , Print smearing, foreign matter, threading and the like have been inspected.
5, the first glass G1 having undergone the inspection of the first state S1 and the second state S2 is guided to the third glass G1 through the
The
The
The receiving
The
Here, the size of the
The
The first glass G1 seated on the
Here, the
Also, the size of the supporting
Here, the first glass G1 is placed on the upper surface of the supporting
Referring to FIGS. 6 to 7, the third inspection means 1220C will be described. The
The third inspection means 1220C is composed of an area scan camera, coaxial illumination, and two or more special lights.
Here, the area scan camera is positioned perpendicular to the first glass G1 to be inspected, and photographs the area of the stopped first glass G1.
The area scan camera also performs the inspection of the first glass G1 through the backlight illumination located in the
Here, the coaxial illumination and the special illumination are located in the third inspection means 1220C and the backlight illumination is located in the
At this time, the supporting
The area scan camera irradiates the first glass G1 with different directions of light through the coaxial illumination, the special illumination, and the backlight illumination. The area scan camera detects defective logos, print smears, , Cracked, broken, peeled and stained.
During the inspection of the first glass G1 by the third inspection means 1220C, the
Also, the second glass G2 is seated on the
Referring to FIG. 8, the first glass G1 inspected by the third inspection means 1220C is moved to the
The
The
The take-out
The second glass G2 will be described with reference to FIGS. 9 to 10. When the
The third glass G3 is mounted on the
The fourth glass G4 is gripped by the
The
And the third glass G3 is inspected by the third inspection means 1220C. The fourth glass G4 is seated on the
11, a passing
The glass moved from the outside is moved from the carry-in
Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection is to be construed in accordance with the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.
1000: Glass inspection device
1100:
1110: aligner
1120: Detector
1200: Inspector
1210: Base
1220: Inspector
1220A: first inspection means
1220B: second inspection means
1220C: Third inspection means
1230:
1230A:
1240: Supporting machine
1240A:
1300:
1400: first picking part
1500: second picking part
1600:
1700:
S1: First state
S2: Second state
G1: 1st glass
G2: Second glass
G3: Third glass
G4: Fourth glass
Claims (13)
A carrying part for carrying a glass coming from the outside;
An inspection unit for performing a surface inspection on the glass carried by the carrying unit;
A take-out unit for taking out the glass having been inspected by the inspection unit;
A first picking unit for gripping the glass carried by the carry-in unit and providing the glass to the inspection unit;
A second picking unit for picking up a glass having been inspected by the inspection unit and providing the glass to the carry-out unit;
A control unit for controlling each of the above units and determining whether the glass inspected by the inspection unit is defective;
Lt; / RTI >
The inspection unit includes:
A receiving unit for supporting the glass provided by the first picking unit; And
A tester comprising a first inspection means and a second inspection means for inspecting a surface of a glass supported on said support base;
At least at the inspection position by the first inspection means and the inspection position by the second inspection means so that the inspection by the first inspection means and the inspection by the second inspection means can be performed sequentially Mobile device;
A supporting device for supporting the glass moved from the supporting device;
And a third inspection means for inspecting the surface and inside of the glass moved from the supporting device
/ RTI >
Wherein the first inspection means includes a first line scan camera for inspecting a surface of a glass in a first state,
The second inspection means includes a second line scan camera for inspecting a surface of a glass in a second state rotated 90 degrees in the first state,
Wherein the third inspection means comprises an area scan camera for inspecting the glass surface and the interior moved from the support,
The first picking portion may include a plurality of gripping nozzles to simultaneously grip a plurality of glasses,
While the first inspection means is being inspected by the third inspection means, the support means is moved to the first picking portion through the user equipment to seat the second glass,
Wherein when the second picking section loads the first glass onto the carry-out section, the supporter moves the second glass to a section in which the third inspection means is disposed, and the third inspection section Wherein during the inspection, the receiver is moved to the first picking portion through the mobile device to seat the third glass
Glass inspection system.
Characterized in that said reciprocating machine has a rotating means for rotating the glass by 90 degrees to convert the glass from the first state to the second state
Glass inspection system.
Wherein the control unit controls the second picking unit according to whether or not the inspection glass is defective in the inspection unit
Glass inspection system.
The transporting unit is provided with a different movement path depending on whether the glass is defective or not
Wherein the control unit controls the second picking unit to provide the glass determined to be defective through each of the movement paths
Glass inspection system.
The glass inspection apparatus comprises:
And a passing part located between the carry-out part and the carry-in part,
And the passing portion directly moves the glass carried in from the carrying-in portion
Glass inspection system.
Wherein the carry-
An aligner for aligning the first picking portion to a glass size so as to grasp the glass; And
A detector for sensing the glass so that the first picking portion can grasp the glass; ≪ RTI ID = 0.0 >
Glass inspection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150095046A KR101720007B1 (en) | 2015-07-03 | 2015-07-03 | Apparatus For Glass Inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150095046A KR101720007B1 (en) | 2015-07-03 | 2015-07-03 | Apparatus For Glass Inspection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170004550A KR20170004550A (en) | 2017-01-11 |
| KR101720007B1 true KR101720007B1 (en) | 2017-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150095046A KR101720007B1 (en) | 2015-07-03 | 2015-07-03 | Apparatus For Glass Inspection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102298108B1 (en) | 2020-11-27 | 2021-09-03 | 주식회사 머신앤비전 | Multiple inspection apparatus for glass substrates |
| KR102298110B1 (en) | 2020-12-08 | 2021-09-03 | 주식회사 머신앤비전 | Vision inspection apparatus for glass substrates |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI638139B (en) * | 2017-09-13 | 2018-10-11 | 頂瑞機械股份有限公司 | Glass inspection system and method |
| CN113548420B (en) * | 2021-07-02 | 2023-03-24 | 东莞市亮成电子有限公司 | Full-automatic frame dish changes material equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101496991B1 (en) * | 2013-10-29 | 2015-03-02 | (주) 인텍플러스 | apparatus for inspecting parts of mobile |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100684569B1 (en) * | 2005-06-08 | 2007-02-20 | 주식회사 티엔텍 | Auto inspecting equipment of object information |
| KR20150017222A (en) * | 2013-08-06 | 2015-02-16 | 주식회사 아이스피 | Inspection system for the external appearance of panel having emproved transfer structure |
| KR101514409B1 (en) * | 2013-09-26 | 2015-04-24 | (주)소닉스 | Vision inspection apparatus |
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2015
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101496991B1 (en) * | 2013-10-29 | 2015-03-02 | (주) 인텍플러스 | apparatus for inspecting parts of mobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102298108B1 (en) | 2020-11-27 | 2021-09-03 | 주식회사 머신앤비전 | Multiple inspection apparatus for glass substrates |
| KR102298110B1 (en) | 2020-12-08 | 2021-09-03 | 주식회사 머신앤비전 | Vision inspection apparatus for glass substrates |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170004550A (en) | 2017-01-11 |
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