DE10321770A1 - Calendered rubber coated cord strip checking method uses cameras on both sides of the strip and produces an automatic visual indication of flaws on the strip - Google Patents
Calendered rubber coated cord strip checking method uses cameras on both sides of the strip and produces an automatic visual indication of flaws on the strip Download PDFInfo
- Publication number
- DE10321770A1 DE10321770A1 DE2003121770 DE10321770A DE10321770A1 DE 10321770 A1 DE10321770 A1 DE 10321770A1 DE 2003121770 DE2003121770 DE 2003121770 DE 10321770 A DE10321770 A DE 10321770A DE 10321770 A1 DE10321770 A1 DE 10321770A1
- Authority
- DE
- Germany
- Prior art keywords
- strip
- sides
- material web
- cameras
- camera
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
- B29C43/245—Adjusting calender parameters, e.g. bank quantity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
- B65H43/08—Photoelectric devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/28—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/93—Tyres
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Überprüfen von kalandrierten Materialbahnen (Halbzeugen) aus beidseitig mit einer Kautschukmischungsschicht belegten Textil- oder Stahlfestigkeitsträgern.The The invention relates to a method and an apparatus for checking calendered material webs (semi-finished products) made from both sides with a rubber mixture layer occupied textile or steel reinforcement.
Derartige Materialbahnen werden in einem Kalander, insbesondere einem 4-Walzenkalander, hergestellt und durchlaufen nach dem eigentlichen Kalandriervorgang noch eine Anzahl weiterer Stationen in der Kalanderanlage. Dazu gehören beispielsweise ein Kühlturm, ein Speicher, ein Zugwerk und schließlich eine Querschneideeinrichtung und ein Wickelbock. Das Belegen von Stahlcorden, die dem Walzenkalander parallel zugeführt werden, unterscheidet sich wenig vom Prozess des Belegens von textilen Festigkeitsträgern, insbesondere textilen Gewebebahnen. Die Materialbahnen können auf Grund verschiedener Ursachen fehlerhaft sein, beispielsweise blanke Stellen aufweisen, an welchen die textilen Festigkeitsträger bzw. Stahlcorde von außen sichtbar sind. Diese Stellen können beispielsweise unbedeckte Stellen im Randbereich der Materialbahn sein, was darauf zurückzuführen sein kann, dass die Materialmengen in den Kalanderspalten nicht ausreichend waren. Kleinere Oberflächenfehler können auf eine falsche Einstellung der Belüftungsmesser zurückzuführen sein. Durch eine schlechte Positionierung der Messer zur Randbeschneidung können in den Randbereichen der Materialbahn ebenfalls blanke Festigkeitsträger sichtbar sein. Beschädigungen der gummierten Oberflächen können zu einzelnen blanken Festigkeitsträgern in der Materialbahn führen. Nur wenn der Maschinenführer zufällig einen Fehler erkennt, kann dieser manuell markiert werden und das fehlerhafte Materialstück später aussortiert werden. Dazu kommt, dass in jedem Prozessschritt nur eine Seite der Materialbahn gesehen wird und eine schadhafte Stelle auf der anderen Seite unter Umständen gar nicht erkannt wird. Die nachfolgend mit fehlerhaftem Halbzeug gefertigten Produkte, wie beispielsweise Fahrzeugluftreifen, können derartige Qualitätsmängel aufweisen, dass sie ausgeschieden werden müssen.such Material webs are produced in a calender, in particular a 4-roll calender and go through another after the actual calendering process Number of other stations in the calender system. These include, for example a cooling tower, a store, a train and finally a cross cutter and a changing frame. The coating of steel cords that the roll calender fed in parallel differs little from the process of covering textiles Reinforcing materials, especially textile fabric webs. The material webs can be on Be faulty for various reasons, for example bare Have points at which the textile reinforcement or Steel cords visible from the outside are. These places can for example, uncovered areas in the edge area of the material web, what can be attributed to it can that the amount of material in the calender nips is not sufficient were. Minor surface defects can may be due to incorrect adjustment of the ventilation meter. Bad positioning of the knives for edge trimming can bare reinforcements are also visible in the edge areas of the material web his. Damage to the rubberized surfaces can lead to individual bare reinforcements in the material web. Just if the machine operator accidentally made a mistake recognizes, this can be marked manually and the faulty piece of material later be sorted out. In addition, in each process step only one side of the web is seen and a damaged spot on the other hand, under certain circumstances is not recognized at all. The following with defective semi-finished products manufactured products, such as pneumatic vehicle tires, can have such quality defects, that they have to be eliminated.
Hier setzt nun die Erfindung ein, deren Aufgabe darin besteht, eine Vorrichtung und ein Verfahren zur Verfügung zu stellen, welche eine zuverlässige Erkennung von fehlerhaften Stellen in Materialbahnen aus beidseitig mit einer Kautschukmischungsschicht belegten Textil- oder Stahlfestigkeitsträgern gewährleistet.Here now uses the invention, the object of which is to provide a device and a method is available to ask which one is reliable Detection of defective spots in material webs from both sides guaranteed with a rubber mixture layer textile or steel reinforcement.
Was das Verfahren betrifft wird die gestellte Aufgabe erfindungsgemäß dadurch gelöst, dass die aus dem Kalander entlassene Materialbahn beidseitig mit Kameras optisch überwacht wird, deren aufgenommene Daten zur örtlichen Erkennung fehlerhafter Stellen in der Materialbahn weiterverarbeitet werden.What according to the invention, the method relates to the object set solved, that the material web released from the calender is on both sides with Cameras monitored optically the recorded data for the local detection of faulty locations processed in the material web.
Eine erfindungsgemäß ausgeführte Vorrichtung umfasst zumindest zwei Kamerastationen zur optischen Überprüfung der beiden Seiten der aus dem Kalander entlassenen Materialbahn.A Device designed according to the invention comprises at least two camera stations for optical inspection of the both sides of the material web released from the calender.
Fehlerstellen in der Materialbahn, beispielsweise blank liegende Festigkeitsträger, werden somit sofort erkannt, aufgezeichnet und für eine Überwachungsperson sichtbar gemacht. Der Kalanderführer wird daher in jedem Fall auf eine etwaige Fehlerstelle in den Materialbahn aufmerksam gemacht und kann, je nach Fehlerstelle, sogar sofort eine Abhilfe einleiten. Die Erfindung vermindert den Ausschuss an qualitativ mangelhaften Produkten und ist daher mit einem deutlichen Einsparungspotential verbunden.imperfections in the material web, for example bare reinforcement thus immediately recognized, recorded and visible to a surveillance person made. The calender leader will therefore in any case for a possible defect in the material web alerted and can, depending on the point of error, even immediately to initiate a remedy. The invention reduces waste poor quality products and is therefore with a clear Savings potential connected.
Von besonderem Vorteil bei der Erfindung ist die Möglichkeit der sofortigen, insbesondere automatischen Markierung von Fehlerstellen in der Materialbahn. Die Fehlerstellen sind somit später, insbesondere ebenfalls automatisiert, leicht auffindbar, sodass die entsprechenden Materialbahnteile aus dem Prozess entfernt werden können.Of A particular advantage of the invention is the possibility of immediate, in particular automatic marking of defects in the material web. The flaws are later, in particular also automated, easy to find, so that appropriate material web parts are removed from the process can.
Bei einer bevorzugten Ausführungsform der Erfindung weist jede Kamerastation mindestens eine Kamera und eine Beleuchtungseinrichtung auf, sodass die Materialbahn in ihrer gesamten Breite überwacht werden kann. Dabei kann es erforderlich sein, pro Materialbahnseite zwei oder drei Kameras und mehr als eine Beleuchtungseinrichtung einzusetzen, um eine Überwachung und Überprüfung der Materialbahn über deren Breite sicherzustellen. Als Kameras eigenen sich insbesondere CCD-Zeilenkameras, welche eindeutige und über Displays anzeigbare Fehlersignale liefern.at a preferred embodiment According to the invention, each camera station has at least one camera and a lighting device so that the material web in its entire width monitored can be. It may be necessary for each side of the material web two or three cameras and more than one lighting device to be used for surveillance and review the Material web over ensure their width. Cameras are particularly suitable CCD line scan cameras, which have clear error signals that can be shown on displays deliver.
Zur Markierung kann eine Einrichtung eingesetzt werden, welche eine optische Markierung durch Aufbringen eines Farbtupfers oder dergleichen durchführt. Von Vorteil ist dabei, wenn die optische Markierung zu einem späteren Zeitpunkt während des Ablaufes des Prozesses automatisch erkannt werden kann, um ein fehlerhafte Materialstück automatisch ausscheiden zu können.to Marking can be used a device that a optical marking by applying a splash of color or the like. Of The advantage here is if the optical marking at a later time during the Process flow can be automatically detected to be a faulty one piece of material to be able to leave automatically.
Weitere
Merkmale, Vorteile und Einzelheiten der Erfindung werden anhand
der einzigen Zeichnungsfigur,
Gemäß der Erfindung
wird die den Kalander verlassende Materialbahn während ihres nachfolgenden Transportes
bis zum Aufwickeln zumindest einmal und beidseitig mittels zumindest
je einer Kamera
Es hat sich herausgestellt, dass mit der Erfindung eine Vielzahl von möglichen fehlerhaften Stellen in der Materialbahn zuverlässig erkannt werden kann. Die Kameras erkennen beispielsweise unbedeckte Stellen im Randbereich der Materialbahn, kleinere Oberflächenfehler, die beispielsweise bei einer nicht optimalen Einstellung der Belüftungsmesser auftreten können, sowie blanke Corde durch eine fehlerhafte Randbeschneidung. Mit der Erfindung lassen sich ferner auch einzelne blanke Corde durch eine örtliche Beschädigung der gummierten Oberfläche erkennen, sowie ein einzelner blank liegender Cord in oder quer zur Materialbahnlängsrichtung. Bei Fehlerstellen, die auf Mängel im Prozess zurückzuführen sind, kann gleich eingeschritten werden, beispielsweise kann das Messer für den Randbeschnitt richtig positioniert werden. Bislang wurden derartige Fehlerquellen oft längere Zeit nicht erkannt.It has been found that with the invention a variety of potential faulty points in the material web can be reliably recognized. The For example, cameras detect uncovered areas in the edge area the material web, minor surface defects, for example if the ventilation meter is not optimally adjusted, and bare cords due to incorrect edge trimming. Let with the invention also individual bare cords by a local one damage the rubberized surface recognize, as well as a single bare cord in or across to the material web longitudinal direction. In the event of defects that indicate defects are due in the process can be started immediately, for example the knife for the Edge trim should be positioned correctly. So far, such sources of error often longer Time not recognized.
Die Erfindung eignet sich gleichermaßen zum Erkennen von fehlerhaften Stellen in beidseitig beschichteten textilen Festigkeitsträgern.The The invention is equally suitable for recognizing faulty ones Places in textile reinforcements coated on both sides.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003121770 DE10321770A1 (en) | 2003-05-15 | 2003-05-15 | Calendered rubber coated cord strip checking method uses cameras on both sides of the strip and produces an automatic visual indication of flaws on the strip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003121770 DE10321770A1 (en) | 2003-05-15 | 2003-05-15 | Calendered rubber coated cord strip checking method uses cameras on both sides of the strip and produces an automatic visual indication of flaws on the strip |
Publications (1)
Publication Number | Publication Date |
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DE10321770A1 true DE10321770A1 (en) | 2004-12-02 |
Family
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DE2003121770 Ceased DE10321770A1 (en) | 2003-05-15 | 2003-05-15 | Calendered rubber coated cord strip checking method uses cameras on both sides of the strip and produces an automatic visual indication of flaws on the strip |
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DE (1) | DE10321770A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012085632A1 (en) * | 2010-12-23 | 2012-06-28 | Pirelli Tyre S.P.A. | A method and an apparatus for controlling production and feeding of semifinished products in a tyre building process |
CN104023961A (en) * | 2011-11-21 | 2014-09-03 | 倍耐力轮胎股份公司 | Method of controlling the movement of tyre building members in a process for manufacturing tyres for vehicle wheels |
WO2015092659A1 (en) * | 2013-12-16 | 2015-06-25 | Pirelli Tyre S.P.A. | Method and apparatus to control manufacturing and feeding of semi-finished products in a tyre building process |
WO2017056030A1 (en) * | 2015-09-30 | 2017-04-06 | Pirelli Tyre S.P.A. | Method and apparatus for controlling the feed of semifinished products in a tyre building process |
CN107901319A (en) * | 2017-11-23 | 2018-04-13 | 青岛科技大学 | A kind of detection method and system for rolling wirecord fabric arrangement |
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2003
- 2003-05-15 DE DE2003121770 patent/DE10321770A1/en not_active Ceased
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DE1573801A1 (en) * | 1965-11-02 | 1970-04-16 | Erwin Sick | Arrangement for determining in the longitudinal direction on a strip-shaped material extending defects |
DE2510451C3 (en) * | 1975-03-11 | 1984-04-26 | Agfa-Gevaert Ag, 5090 Leverkusen | Device for mechanical scanning of local thickenings in paper and film webs |
DE2729352C2 (en) * | 1977-06-29 | 1983-02-24 | Erhardt & Leimer Kg, 8900 Augsburg | Device for adjusting a photoelectronic sensor |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103354781A (en) * | 2010-12-23 | 2013-10-16 | 倍耐力轮胎股份公司 | A method and an apparatus for controlling production and feeding of semifinished products in a tyre building process |
JP2014504970A (en) * | 2010-12-23 | 2014-02-27 | ピレリ・タイヤ・ソチエタ・ペル・アツィオーニ | Method and apparatus for controlling the manufacture and delivery of semi-finished products in a tire manufacturing process |
CN103354781B (en) * | 2010-12-23 | 2016-03-23 | 倍耐力轮胎股份公司 | Build in process for controlling the method and apparatus of half-finished production and supply at tire |
WO2012085632A1 (en) * | 2010-12-23 | 2012-06-28 | Pirelli Tyre S.P.A. | A method and an apparatus for controlling production and feeding of semifinished products in a tyre building process |
CN104023961A (en) * | 2011-11-21 | 2014-09-03 | 倍耐力轮胎股份公司 | Method of controlling the movement of tyre building members in a process for manufacturing tyres for vehicle wheels |
CN104023961B (en) * | 2011-11-21 | 2016-08-10 | 倍耐力轮胎股份公司 | In the method manufacturing the motion setting up component controlling tire during the tire of wheel |
CN105829084B (en) * | 2013-12-16 | 2018-11-09 | 倍耐力轮胎股份公司 | The method and apparatus that manufacture and the supply of semi-finished product are controlled in tyre building process |
WO2015092659A1 (en) * | 2013-12-16 | 2015-06-25 | Pirelli Tyre S.P.A. | Method and apparatus to control manufacturing and feeding of semi-finished products in a tyre building process |
CN105829084A (en) * | 2013-12-16 | 2016-08-03 | 倍耐力轮胎股份公司 | Method and apparatus to control manufacturing and feeding of semi-finished products in a tyre building process |
WO2017056030A1 (en) * | 2015-09-30 | 2017-04-06 | Pirelli Tyre S.P.A. | Method and apparatus for controlling the feed of semifinished products in a tyre building process |
CN108136702A (en) * | 2015-09-30 | 2018-06-08 | 倍耐力轮胎股份公司 | For controlling the method and apparatus of the feeding of semi-finished product in tyre building process |
US20190084257A1 (en) * | 2015-09-30 | 2019-03-21 | Pirelli Tyre S.P.A. | Method and apparatus for controlling the feed of semifinished products in a tyre building process |
CN108136702B (en) * | 2015-09-30 | 2021-04-13 | 倍耐力轮胎股份公司 | Method and apparatus for controlling the feeding of semifinished products in a tyre building process |
US11584100B2 (en) | 2015-09-30 | 2023-02-21 | Pirelli Tyre S.P.A. | Method and apparatus for controlling the feed of semifinished products in a tyre building process |
CN107901319A (en) * | 2017-11-23 | 2018-04-13 | 青岛科技大学 | A kind of detection method and system for rolling wirecord fabric arrangement |
CN107901319B (en) * | 2017-11-23 | 2024-03-22 | 青岛科技大学 | Method and system for detecting arrangement of calendered wirecord fabric |
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