WO2017204766A2 - Système de contrôle de qualité pour produits en verre semi-finis - Google Patents

Système de contrôle de qualité pour produits en verre semi-finis Download PDF

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Publication number
WO2017204766A2
WO2017204766A2 PCT/TR2017/050207 TR2017050207W WO2017204766A2 WO 2017204766 A2 WO2017204766 A2 WO 2017204766A2 TR 2017050207 W TR2017050207 W TR 2017050207W WO 2017204766 A2 WO2017204766 A2 WO 2017204766A2
Authority
WO
WIPO (PCT)
Prior art keywords
product
quality control
glass
glass product
cameras
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.)
Ceased
Application number
PCT/TR2017/050207
Other languages
English (en)
Other versions
WO2017204766A3 (fr
Inventor
Mehmet Gokhan SOLMAZ
Ali Yuksel SOYKUT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Turkiye Sise Ve Cam Fabrikalari AS
Original Assignee
Turkiye Sise Ve Cam Fabrikalari AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Turkiye Sise Ve Cam Fabrikalari AS filed Critical Turkiye Sise Ve Cam Fabrikalari AS
Publication of WO2017204766A2 publication Critical patent/WO2017204766A2/fr
Publication of WO2017204766A3 publication Critical patent/WO2017204766A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/04—Sorting according to size
    • B07C5/12—Sorting according to size characterised by the application to particular articles, not otherwise provided for
    • B07C5/122—Sorting according to size characterised by the application to particular articles, not otherwise provided for for bottles, ampoules, jars and other glassware
    • B07C5/126—Sorting according to size characterised by the application to particular articles, not otherwise provided for for bottles, ampoules, jars and other glassware by means of photo-electric sensors, e.g. according to colour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
    • B07C5/3408—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level for bottles, jars or other glassware
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/081—Testing mechanical properties by using a contact-less detection method, i.e. with a camera
    • 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
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/9036—Investigating the presence of flaws or contamination in a container or its contents using arrays of emitters or receivers
    • 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
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8835—Adjustable illumination, e.g. software adjustable screen
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8841—Illumination and detection on two sides of object

Definitions

  • the present invention relates to an automated quality control system developed for inspection semi-f inished glass products such as washing machine door glasses or industrial glass containers made of soda-lime and borosilicate glasses in a press against manufacturing defects.
  • the semi-f inished glass products such as washing machine door glasses or industrial glass containers (container ware) made of soda-lime or borosilicate glass in a press are sorted according to defects at the end of the cooling process completely by manual inspection and human eye, wherein the quality control process takes place depending on the decision made by the operator by interpreting certain quality control criteria based on experience.
  • This manual method of the prior art causes varying interpretations from one operator to another, and thus delivery of the defective products to the user depending on the perspective of the operator due to the fact that said glass products are sorted according to defects completely by manual inspection and human eye.
  • Said invention discloses performing the inspection and recording by means of cameras via transmitting a diffused beam of light for detecting the flaws in glass bottles. Thus, the flaws on the bottles can be detected from different directions.
  • Said invention discloses at least one camera and illumination apparatus for testing glass objects which are distanced at certain intervals, for use as a testing device in order to test transparent objects, in particular glass bottles, for automatically detecting manufacturing faults.
  • the transparent objects arranged on a linear plane are scanned by at least one or more cameras and the faults thereon are detected.
  • the quality control system consists of 7 cameras, 4 f ixed light sources and 1 movable light source, and two separate control sections, wherein the defect inspection criteria can be adjusted and the quality control assessment can be stably performed over these criteria. Thus, different interpretations of the quality control criteria on the same product are prevented.
  • the suff icient lighting is ensured using one or more f ixed and movable light sources within the system and images are taken from the angles in which the measurement is desired to be made using one or more cameras. This, in turn, inspection quality control errors resulting from the quantity of light and the viewpoint to the product.
  • the newly developed system allows sorting the defective products at the rate of
  • I t is aimed by developing the quality control system according to the invention to: ⁇ Ensure the standardization of the quality control criteria and an assessment complying with the standards,
  • Fig. 1 Schematic view of the quality control system along the tunnel.
  • the semi-finished glass products (1) such as washing machine door glasses or industrial glass containers made of soda-lime or borosilicate glass are fed to the annealing lehrs or tempering units through the automatic line subsequent to being formed in press machines at the hot end.
  • the door glasses exiting the annealing lehrs or tempering units are transferred to the quality control system according to the invention over the conveyor (2) in a single row.
  • the quality control system operates as a defect inspection system consisting of at least 7 cameras (3, 4, 5, 6 and 7), at least 4 fixed light sources (8), at least 1 movable light source (9), in two separate control sections.
  • the upper surface of the semifinished glass product (1) is inspected by at least one upper surface camera (3).
  • the entry of the product (1) to the quality control system is determined by at least one entry photocell (11) disposed in the entry of the system and this product (1) is monitored until it gets out of the system.
  • the fixed light source (8) and the upper surface camera (3) are activated by the signals coming from the trigger photocell (12) used within the system.
  • the images recorded by the cameras (3, 4, 5, 6 and 7) are processed by the control algorithm depending on the speed of the conveyor (2) belt and the image of the semi- finished glass product (1) is formed in the computer system (14). These recorded images are processed in the computer system (14) in the quality control system. It is possible with these processed images to detect the defects on the semi-finished glass product (1) which are formed during or after the manufacturing process by way of the difference in the contrast. If there is any defect on the semi-finished glass product (1), the system stores the defective product in its memory to be rejected at the exit of the machine.
  • the defective or non-defective glass product (1) having undergone the first control section is transferred to the second control section by the conveyor (2).
  • the position of the glass product (1) is sensed by the at least one capacitive proximity sensor (13) arranged in this section, and thus the cameras (4, 5, 6 and 7) and the movable light source (9) are triggered.
  • the glass product (1) assumes the desired position, it is held, lifted, and rotated 360 degrees by means of at least one lifting and rotating wheel (10).
  • the rotating angle and speed of the wheel (10) is adjustable and said rotating wheels (10) are made of an engineering plastic material.
  • the wheel positions may be adjusted in accordance with different diameters and the quality control of the products having different diameters can also be performed within the system.
  • the at least 3 f ixed light sources (8) and at least 1 movable light source (9) along with the at least two side surface cameras (4) , at least two telecentric cameras (5) , at least one bottom surface camera (6) , and at least one auxiliary camera (7) are activated and start to take images.
  • the conveyor (2) line arranged in the second section of the quality control system stops while the glass product (1 ) is being lifted and rotated by the lifting and rotating wheel (10) .
  • the glass product (1 ) may also be viewed from the lower portion by means of the side surface camera (4) , which is one of the components of the two-section conveyor (2) line.
  • the movable light source (9) which is located right opposite the camera (4) serves for illuminating.
  • the light source (9) here must be movable. This is because the movable light source (9) assumes the suitable position and provides the required lighting while the semi-f inished glass product (1 ) is being rotated. When the rotating operation is f inished and the glass product (1 ) is being advanced by operating the conveyor (2) line, the light source (9) is raised and positioned such that it will not interfere with the movement of the glass product (1 ) in order to ensure that the movable light source (9) and the glass product (1 ) does not collide.
  • the side surfaces are inspected by two side surface cameras (4) and the defective or defect-free images are recorded by the computer system (14) .
  • the auxiliary camera (7) which controls the so-called blue cracks, which are very f ine cracks indistinguishable to the eye, scans the flange portion throughout the rotation of the glass product (1 ) and records images.
  • the diameter of the glass product (1 ) , the wall thickness in the flange portion and other dimensional measurements are performed and transferred to the system by at least two cameras with telesentric lenses (5) scanning the lateral surfaces of the glass product (1 ) .
  • telecentric lenses are used in the cameras (5) facing the glass product (1 ) in a way to view the walls thereof at both sides, perpendicular to the conveyor (2) axis. While the visual inspection system is being adjusted according to the product (1 ) , the distance between both cameras with telesentric lenses (5) is adjusted and the distance information is manually recorded in the system via the screen.
  • the cameras (5) provided thereon with telecentric lenses record 30 images each during 360-degree rotation of the glass product (1 ) .
  • the images are processed by the computer system and the outer wall dimensions of the product (1 ) are determ ined by way of the difference in the contrast, and then measuring the average of the dimensions.
  • the diameter information at the desired height is found by adding the value in the images to the distance between the cameras with telesentric lenses (5) .
  • the thus obtained value is compared to the required value, thereby detecting the defects.
  • Other dimensional measurements are also determined by recording and processing the images by means of the those cameras (5) .
  • the images recorded by all of the cameras (3, 4, 5, 6 and 7) are processed by the computer system ( 14) and the defects on the products resulting from the glass, occurring during or after the manufacture as well as the dimensional defects are detected, and then the defective glass products (1 ) are stored in the system memory to be rejected at the exit of the machine.
  • the defective glass products ( 1 ) are rej ected while the non-defective glass products ( 1 ) are delivered to the packaging section by way of conveyors (2) .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

La présente invention concerne un système de contrôle de qualité automatisé développé pour l'inspection de produits en verre semi-finis tels que des verres de porte de machine à laver ou des récipients en verre industriel constitués de verre sodo-calcique ou de verre borosilicaté dans une presse contre les défauts de fabrication.
PCT/TR2017/050207 2016-05-26 2017-05-22 Système de contrôle de qualité pour produits en verre semi-finis Ceased WO2017204766A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201606985 2016-05-26
TR2016/06985 2016-05-26

Publications (2)

Publication Number Publication Date
WO2017204766A2 true WO2017204766A2 (fr) 2017-11-30
WO2017204766A3 WO2017204766A3 (fr) 2017-12-21

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Country Status (1)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109647729A (zh) * 2018-11-27 2019-04-19 合肥工业大学 一种蜗轮检测筛选装置
CN111999316A (zh) * 2020-09-02 2020-11-27 惠州高视科技有限公司 一种曲面玻璃检测系统及方法
CN112067631A (zh) * 2020-08-13 2020-12-11 德州职业技术学院（德州市技师学院） 玻璃质量检测装置
CN113351507A (zh) * 2020-03-04 2021-09-07 北京小米移动软件有限公司 包装盒检测设备、制造设备及包装盒检测方法
DE102020003272A1 (de) 2020-05-29 2021-12-02 Mühlbauer Gmbh & Co. Kg Handhabungs- und Untersuchungsvorrichtung für Linsen sowie Handhabungs- und Untersuchungsverfahren für Linsen
CN114705687A (zh) * 2022-03-24 2022-07-05 石家庄旭新光电科技有限公司 一种液晶玻璃基板半成品检验系统及检验方法
CN116026861A (zh) * 2023-02-24 2023-04-28 佛山市三力智能设备科技有限公司 一种玻璃瓶的检测方法及系统
US11650166B2 (en) * 2017-05-31 2023-05-16 Nipro Corporation Method for evaluation of glass container
US11650167B2 (en) 2020-12-17 2023-05-16 Seagate Technology Llc Abnormal surface pattern detection for production line defect remediation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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CN108554830A (zh) * 2018-02-27 2018-09-21 天津理工大学 一种基于多光谱光电识别技术的废旧玻璃再生系统及方法

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DE3611536A1 (de) 1986-04-05 1987-10-15 Battelle Institut E V Vorrichtung zur automatischen ueberpruefung von transparenten objekten, insbesondere von glasflaschen
US5729340A (en) 1993-07-30 1998-03-17 Krones Ag Hermann Kronseder Maschinenfabrik Bottle inspection machine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11650166B2 (en) * 2017-05-31 2023-05-16 Nipro Corporation Method for evaluation of glass container
CN109647729A (zh) * 2018-11-27 2019-04-19 合肥工业大学 一种蜗轮检测筛选装置
CN113351507A (zh) * 2020-03-04 2021-09-07 北京小米移动软件有限公司 包装盒检测设备、制造设备及包装盒检测方法
DE102020003272A1 (de) 2020-05-29 2021-12-02 Mühlbauer Gmbh & Co. Kg Handhabungs- und Untersuchungsvorrichtung für Linsen sowie Handhabungs- und Untersuchungsverfahren für Linsen
DE102020003272B4 (de) 2020-05-29 2023-11-09 Mühlbauer Gmbh & Co. Kg Handhabungs- und Untersuchungsvorrichtung für Linsen sowie Handhabungs- und Untersuchungsverfahren für Linsen
CN112067631A (zh) * 2020-08-13 2020-12-11 德州职业技术学院（德州市技师学院） 玻璃质量检测装置
CN111999316A (zh) * 2020-09-02 2020-11-27 惠州高视科技有限公司 一种曲面玻璃检测系统及方法
US11650167B2 (en) 2020-12-17 2023-05-16 Seagate Technology Llc Abnormal surface pattern detection for production line defect remediation
CN114705687A (zh) * 2022-03-24 2022-07-05 石家庄旭新光电科技有限公司 一种液晶玻璃基板半成品检验系统及检验方法
CN116026861A (zh) * 2023-02-24 2023-04-28 佛山市三力智能设备科技有限公司 一种玻璃瓶的检测方法及系统

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