EP1084976A2 - Cylindre conducteur ou contacteur pour la manipulation de matériau en bande, en particulier dans un dispositif d'enroulement de bande - Google Patents

Cylindre conducteur ou contacteur pour la manipulation de matériau en bande, en particulier dans un dispositif d'enroulement de bande Download PDF

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Publication number
EP1084976A2
EP1084976A2 EP00118550A EP00118550A EP1084976A2 EP 1084976 A2 EP1084976 A2 EP 1084976A2 EP 00118550 A EP00118550 A EP 00118550A EP 00118550 A EP00118550 A EP 00118550A EP 1084976 A2 EP1084976 A2 EP 1084976A2
Authority
EP
European Patent Office
Prior art keywords
sensor
contact roller
material web
arrangement according
signal
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.)
Granted
Application number
EP00118550A
Other languages
German (de)
English (en)
Other versions
EP1084976B1 (fr
EP1084976A3 (fr
Inventor
Hans-Rolf Dipl.-Ing. Conrad
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
Voith Sulzer Papiertechnik Patent GmbH
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 Voith Paper Patent GmbH, Voith Sulzer Papiertechnik Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1084976A2 publication Critical patent/EP1084976A2/fr
Publication of EP1084976A3 publication Critical patent/EP1084976A3/fr
Application granted granted Critical
Publication of EP1084976B1 publication Critical patent/EP1084976B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements

Definitions

  • the invention relates to a guide or contact roller arrangement for handling a material web, in particular in a roll winding device, the peripheral surface thereof at least partially a section of a web path from a first position to a second position forms.
  • the invention is based on a paper web described as an example of a material web. she is but also applicable to other material webs, that are handled in a similar way.
  • the invention is also used in connection with a roll winding device described in which the roller as Contact roller is used on the winding roll lies on or lies on during winding. The roller is here inserted between a feed section and one Winding position.
  • roller according to the invention can also be used as Guide roller can be used wherever several Partial webs cut from a material web are present.
  • a paper web is produced almost "endlessly". Around To be transported and handled, it must be wound up into winding rolls. In many cases Rewind the machining cut of the slitting ahead. When slitting becomes a relative wide paper web, currently up to a width can have about 10 m, in several narrower paper webs cut, the width of which ranges from 0.8 to is about 3.8 m. Only such web widths are of Users, for example printers, manageable.
  • winding There are different options for winding.
  • One possibility is a so-called double carrier roller winder, where the material web roll or also several rolls of material next to each other in one Lying changing bed, which is formed by two support rollers, at least one of which is driven.
  • the tapering Paper web wraps around the driven carrier roller and then runs onto the winding roll.
  • a tensile decoupling of the web from previous ones Processing stations, for example one Slitting station reached.
  • backup roll winders in which the Winding rollers are held in the area of their axis of rotation, for example on their winding tubes. they lay then with a certain pressure on the support roller.
  • the incoming material web is over one certain circumferential area on the support roller.
  • the Back-up roller then supports the web train.
  • the invention has for its object to simple Way to determine a tear of a web of material.
  • This task is done with a roll winding device of the type mentioned in that at the A material web sensor is provided for the guide or contact roller is.
  • the material web sensor simply determines whether the material web in a predetermined manner at the control or Contact roller (hereinafter referred to as "contact roller") is present or not. If the operation is undisturbed runs, i.e. the material web is not broken, then you can determine this. In this case lies namely the material web "properly", i.e. smooth, on the contact roller. The contact roller is then in a predetermined area covered by the material web. If, on the other hand, a demolition has taken place, then have the conditions change accordingly. The web sensor detects this error. This can consist in the fact that no material web on the Contact roller rests or the too much material web material rests on the contact roller. In this case the material web sensor a signal for a control, e.g. generate the roll winding device and, for example trigger an emergency stop. A web break can be found very close to the winding position.
  • a control e.g. generate the roll winding device and, for example trigger an emergency stop. A web break can be found very close to the
  • the web sensor as non-contact, in particular optical sensor is.
  • a contactless sensor is stressed the material web is not. He doesn't leave marks the later processing could interfere with the material web.
  • Non-contact sensors can be trained in a variety of ways. One for the present application well suited sensor is an optical sensor because it is gentle, but can reproducibly determine whether a material web lies on the contact roller or Not.
  • the sensor preferably generates a rotation the contact roller changes periodically at least in the event of a fault Signal. This increases the operational safety of the Sensors. A periodically changing, i.e. pulsating Signal is more easily recognized. The probability, that a faulty signal in the same way pulsates, is relatively low. With such a pulsating Although there is a possibility that the signal Web break is not recognized immediately when it occurs. The amount of time to notice the error However, material web is still tolerable.
  • the sensor preferably generates on the contact roller overlying material web a signal of a first Type and in the event of a faulty material web, a signal from second type, the signals of the first and the distinguish between the second type.
  • the signal will not only generated in the event of an error, but also in the normal operation. However, the signal differs in normal operation from the signal of the fault. This has the advantage that you can monitor continuously whether the sensor is still working.
  • the signal of the first preferably differs kind of signal of the second kind by its strength. If you use an optical signal, for example, then becomes with the material web lying on the contact roller the reflection behavior or the passage behavior the material web the strength of the signal of the first type define while reflecting the contact roller or the then strengthened or weakened Translucency behavior of a multiple or removed material web the strength of the signal of the second type determined. This is a relatively simple one Possibility to make both signals distinguishable.
  • the signal can of the first kind from the signal of the second kind through its differentiate over time. For example one when using the reflection of the material web achieve a constant signal in a faultless state, while you get a signal in the error state that through differently reflecting sections on the Scope of the contact roller is generated. Then this is no longer constant, but changes periodically.
  • the signal of the second kind points at each Turn at least one tip.
  • This tip can one, for example, with the help of a threshold value transmitter or comparator to detect a corresponding error signal trigger.
  • the sensor preferably has a sensor that is arranged in the surface of the contact roller.
  • a light beam or a sensor Variety of light rays running in parallel essentially send out in the radial direction, which then from an optical pickup can be detected. If the web of material on the surface of the contact roller then this light beam is weakened, but possibly still recognizable. If the web of material is missing, then the light beam hits unhindered the transducer. If there is another impact in the event of a fault shows and the material web wraps around the Contact roller wraps, then it will be until then translucent beam of light always covered and thus also weakened, which also applies to the transducer can be recognized.
  • the encoder can preferably be an axially extending surface section be formed of a different reflection behavior than the remaining circumference of the contact roller having. If there is a demolition in this case, then a certain one with each rotation of the contact roller Reflection can be recognized, which are evaluated can. In this case you don't even have to Take care that the surface of the material web has different reflection behavior because you take advantage of that varies on the circumference of the contact roller highly reflective areas are provided. You score thus only the change in the reflection behavior on.
  • the transmitter can also be designed as a light source.
  • the light source is directly in the Contact roller installed.
  • a beam of light must therefore Only penetrate the material web once in the undisturbed case, which in many cases makes it easier to grasp.
  • the sensor preferably has a sensor that arranged at a predetermined distance from the contact roller is, with protective shields are provided, the bridge the distance at least partially.
  • the sensor is therefore at a safe distance from the contact roller arranged. Secure the shields as they are opaque before an interference of Light sources in the neighborhood.
  • the protective shields should preferably be flexible in the event of an error to minimize the risk of damage.
  • the sensor is preferably in several in the axial direction Zones divided that can be operated individually. One can then the sensor to different widths of winding rolls to adjust.
  • the sensor advantageously has at least two in Distributed circumferential direction of the contact roller Sections, one of which is a peripheral section the contact roller monitors the operation of material web is covered, and another a peripheral portion, the one in operation from the web of material is not covered.
  • you have two advantages. On the one hand, you can run the system align the two sensors to determine whether they are both working properly. In case of an error one of the two sensors will definitely become another Generate signal and either the one So far it was focused on the area of the material web is covered. This could find that the material web is missing. Or the other sensor notes that suddenly a web of material on the to find previously uncovered surface of the contact roller is. This phenomenon also indicates an error there.
  • Fig. 1 shows a roll winding device 1 with a Winding position for a winding roll 2, which consists of a inlet end material web 3 is formed.
  • the winding roll 2 lies in a changing bed 4, which by two support rollers 5, 6 is formed, at least of which the support roller 5 is driven.
  • a drive 7 is shown schematically.
  • the material web 3 can still be one before winding Go through cutting station 8, which is shown in dashed lines is because even uncut webs on the can be wound up in the same way. Further is schematically drawn a web tension measuring device 9, which the tension of the material web 3 before Cutting station 8 determined. If this tension suddenly subsides, then this indicates a web break and the winder and especially the web feed can be stopped.
  • the entire area before first support roller 5 is for the sake of simplicity as a feed section designated.
  • a material web sensor 10 is provided in the area of the peripheral portion the support roller 5, which is covered by the material web 3 . This is arranged in the changing bed in the present embodiment. But it can also laterally below the support roller 5 be arranged.
  • the web sensor 10 is shown in Fig. 2 in an enlarged form.
  • Fig. 2 shows that in the surface of the support roller 5 a axial groove 11 has been introduced, for example by milling.
  • the axial groove 11 extends over the entire axial length of the support roller.
  • transparent protective tube 12 placed a number from light sources 13, e.g. electric light bulbs or LEDs, and their supply lines 14 surrounds.
  • the remaining free space of the groove is indicated by a transparent one Material 15, for example a resin, filled out.
  • the material 15 is then flush again made with the surface 5 'of the support roller 5.
  • a pickup 16 is arranged also over the entire axial length of the support roller 5 stretches and a variety of photosensitive Elements axially side by side.
  • the pickup 16 is attached to a traverse 17, which as Carrier serves. Lines can also be in the traverse 17 18 be laid, which the signals of the transducers to a Forward evaluation device, not shown.
  • the sensor 16 is at a certain safety distance a to the surface 5 'of the support roller 5. Part of this distance a is with the help of Protective shields 19, 20 covered.
  • the protective shields are on the one hand, opaque so that no stray light is transmitted to the To get transducer 16. You are on the other hand flexible so that they dodge in the event of an error can and not be damaged.
  • the light sources 13 are from the material web 3 covered.
  • the pickup 16 therefore receives in error-free case either no signal at all or one very weak signal when the material web 3 is translucent to some extent. This relatively weak signal can be detected because of the light source 13 rotates with the support roller 5.
  • the directions of rotation the winding roll 2 and the rollers are through Arrows 21-23 indicated. Accordingly, on Transducer 16 a pulsating or periodically changing Beam of light reflected in a corresponding electrical signal. If the web of material is not is translucent, the pickup 16 receives no Signal as long as the corresponding area of the support roller 5 is covered by the material web 3.
  • the material web breaks off during operation 3 or a partial web cut from it, then at least one of the light sources 13 shines on the transducer 16, which is a signal for the control of the complete roll winding device 1, for example, an emergency stop command is generated.
  • the material webs in are usually opaque, then one can further pick-up arrangement 24 on the area of the support roller Arrange 5 that is not normally off the web 3 is covered, as shown in Fig. 1 is.
  • the transducer 24 receives every revolution Light from the light sources 13. If the light sources 13 are covered by the material web 3, then this signal remains off and the sensor 24 can be on generate the corresponding error signal.
  • the angular position the support roller 5 synchronized with the pickup 16 will, i.e. the transducer 16 only to receive Light or for the transmission of signals obtained therefrom is ready when the light source 13 is in an area located in front of the transducer 16.
  • a reflective strip 25 is arranged in the support roller 5, more precisely on its surface 5 '.
  • the Strip 25 simply has a different reflection behavior than the rest of the surface 5 '.
  • the light source 13 is now arranged in the carrier 17, in which is also the pickup 16.
  • the light source 13 can also have a reflector 26 in order to To be able to better direct light onto the support roller 5.
  • On The light beam is through a dash-dotted line 27 indicated.
  • the reflective strip 25 is with the Surface 5 'of the support roller 5 flush.
  • the light source 13 directs its light beam 27 onto the material web 3. From there it is on the Sensor 16 reflects, which results in a constant Signal wins. If the material web 3 is translucent enough, the reflective Make stripes 25 noticeable. In this case but the light 27 is dimmed twice, so that this generated pulsations will be low at most.
  • the beam becomes at least one of the Light sources 13 on the reflective strip 25 in deflected the transducer 16, which is then a signal for the Control of the entire machine can generate.
  • This configuration is advantageous in that it is now no more energy transferred to the rotating roller must become.
  • the sensor 10 is shown in connection with a Double winder. But it is easy to imagine that the sensor also with a backup roller winder works or another type of contact roller winder.
  • the contact roller with sensor 10 can also (if necessary with a smaller diameter) as a guide roller in one another area in the manufacture or treatment of a slit paper web or another Material web are used.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
EP20000118550 1999-09-20 2000-08-26 Cylindre conducteur ou contacteur pour la manipulation de matériau en bande, en particulier dans un dispositif d'enroulement de bande Expired - Lifetime EP1084976B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944958 1999-09-20
DE1999144958 DE19944958C2 (de) 1999-09-20 1999-09-20 Leit- oder Kontaktwalzenanordnung zum Handhaben einer Materialbahn, insbesondere in einer Rollenwickelvorrichtung

Publications (3)

Publication Number Publication Date
EP1084976A2 true EP1084976A2 (fr) 2001-03-21
EP1084976A3 EP1084976A3 (fr) 2002-09-18
EP1084976B1 EP1084976B1 (fr) 2006-02-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000118550 Expired - Lifetime EP1084976B1 (fr) 1999-09-20 2000-08-26 Cylindre conducteur ou contacteur pour la manipulation de matériau en bande, en particulier dans un dispositif d'enroulement de bande

Country Status (2)

Country Link
EP (1) EP1084976B1 (fr)
DE (2) DE19944958C2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310154A1 (fr) * 2001-11-09 2003-05-14 Lely Enterprises AG Dispositif pour envelopper des corps, en particulier des balles agricoles
EP1310153A1 (fr) * 2001-11-09 2003-05-14 Lely Enterprises AG Méthode pour l'enveloppement d'objets, notamment des balles rondes agricoles
WO2005097646A1 (fr) * 2004-04-07 2005-10-20 Metso Paper, Inc. Procede et appareil de commande de bobinage
EP1795471A3 (fr) * 2005-12-12 2009-01-14 Voith Patent GmbH Cylindre conducteur ou contacteur pour la manipulation d'un materiau en bande
EP1905714A3 (fr) * 2006-09-29 2009-05-27 Voith Patent GmbH Procédé destiné à la production d'un emplacement de liaison sur un rouleau d'enroulement et dispositif d'enroulement d'une bande de matériau sur un rouleau d'enroulement
EP2319787A3 (fr) * 2009-11-05 2011-10-12 Metso Paper Inc. Procédé et appareil pour contrôler le découpage longitudinal d'un matériau en bande

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047743B (de) * 1956-02-27 1958-12-31 Dornier Gmbh Lindauer Sichtgeraet fuer laufende Gewebebahnen
DE1095249B (de) * 1956-05-05 1960-12-22 Dornier Gmbh Lindauer Sichtgeraet fuer die Beobachtung laufender Gewebebahnen mittels Fernsehgeraeten
DE1499064B2 (de) * 1966-10-31 1971-04-08 Eduard Küsters Maschinenfabrik. 4150Krefeld Vorrichtung zur bestimmung der seitlichen bahnlage elektrisch leitender wahrenbahnen
CH568226A5 (fr) * 1973-08-23 1975-10-31 Sig Schweiz Industrieges
DE3240825C2 (de) * 1982-11-05 1985-06-20 Maschinenfabrik Alfred Schmermund Gmbh & Co, 5820 Gevelsberg Vorrichtung zur Kontrolle der Anwesenheit einer Warenbahn
JPS59203907A (ja) * 1983-05-02 1984-11-19 Kyoto Denso:Kk 回転体に接離する被検体の検出装置
DE3346347A1 (de) * 1983-12-22 1985-07-18 Leuze electronic GmbH + Co, 7311 Owen Verfahren zum erkennen des vorhandenseins von transportgut auf der mantelflaeche eines rotierenden transportkoerpers
JPH02107902A (ja) * 1988-10-15 1990-04-19 Fuji Photo Film Co Ltd ウェブ位置検出装置
DE4130679C2 (de) * 1991-09-14 1994-02-24 Roland Man Druckmasch Vorrichtung zum Verhindern von Druckwerkschäden
DE4239086C2 (de) * 1992-11-20 1998-07-30 Kba Planeta Ag Einrichtung zur Bogenkontrolle in rotierenden Transportkörpern von Druckmaschinen

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310154A1 (fr) * 2001-11-09 2003-05-14 Lely Enterprises AG Dispositif pour envelopper des corps, en particulier des balles agricoles
EP1310153A1 (fr) * 2001-11-09 2003-05-14 Lely Enterprises AG Méthode pour l'enveloppement d'objets, notamment des balles rondes agricoles
US7067833B2 (en) 2001-11-09 2006-06-27 Lely Enterprises Ag A Swiss Limited Liability Co. Device for wrapping bodies, in particular bales of harvested material
WO2005097646A1 (fr) * 2004-04-07 2005-10-20 Metso Paper, Inc. Procede et appareil de commande de bobinage
US7449671B2 (en) 2004-04-07 2008-11-11 Metso Paper, Inc. Method and apparatus for reeling control having an electromagnetic radiation detection
EP1795471A3 (fr) * 2005-12-12 2009-01-14 Voith Patent GmbH Cylindre conducteur ou contacteur pour la manipulation d'un materiau en bande
EP1905714A3 (fr) * 2006-09-29 2009-05-27 Voith Patent GmbH Procédé destiné à la production d'un emplacement de liaison sur un rouleau d'enroulement et dispositif d'enroulement d'une bande de matériau sur un rouleau d'enroulement
EP2319787A3 (fr) * 2009-11-05 2011-10-12 Metso Paper Inc. Procédé et appareil pour contrôler le découpage longitudinal d'un matériau en bande

Also Published As

Publication number Publication date
DE50012219D1 (de) 2006-04-20
DE19944958A1 (de) 2001-04-05
DE19944958C2 (de) 2002-02-07
EP1084976B1 (fr) 2006-02-15
EP1084976A3 (fr) 2002-09-18

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