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EP1795471B1 - Cylindre conducteur ou contacteur pour la manipulation d'un materiau en bande - Google Patents

Cylindre conducteur ou contacteur pour la manipulation d'un materiau en bande Download PDF

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Publication number
EP1795471B1
EP1795471B1 EP06123716A EP06123716A EP1795471B1 EP 1795471 B1 EP1795471 B1 EP 1795471B1 EP 06123716 A EP06123716 A EP 06123716A EP 06123716 A EP06123716 A EP 06123716A EP 1795471 B1 EP1795471 B1 EP 1795471B1
Authority
EP
European Patent Office
Prior art keywords
guide
winding
material web
temperature sensor
contact roll
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.)
Not-in-force
Application number
EP06123716A
Other languages
German (de)
English (en)
Other versions
EP1795471A2 (fr
EP1795471A3 (fr
Inventor
Hermann Albert Stitz
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 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 Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1795471A2 publication Critical patent/EP1795471A2/fr
Publication of EP1795471A3 publication Critical patent/EP1795471A3/fr
Application granted granted Critical
Publication of EP1795471B1 publication Critical patent/EP1795471B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H26/025—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs responsive to web breakage
    • 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
    • B65H18/02—Supporting web roll
    • B65H18/028—Both ends type
    • 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
    • B65H18/16—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
    • 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
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414863—Winding slitting winding on two or more winding shafts simultaneously directly against central support roller

Definitions

  • the invention relates to a guide or contact roller arrangement for handling a material web, in particular in a winding machine whose peripheral surface at least partially forms a portion of a path of the material web from a first position to a second position, wherein at least one material web sensor is provided on the guide or contact roller ,
  • the invention relates to a winding machine for winding a material web, in particular a paper or board web, on a winding tube to at least one winding roll, which forms a winding nip (nip) with at least one axially parallel and adjacent contact roller.
  • a paper web is today produced virtually "endlessly" on paper machines whose working width is greater than that of the users, for example printers, desired width. For this reason, the paper webs must be cut in one of the last manufacturing steps to the appropriate width and then rolled up or wound up. This always results in at least two, but usually even more cut bobbins. To wind these bobbins two different ways are known.
  • all bobbins can be wound axially next to each other in a common winding bed, which is formed by two or more support rollers. This winding thus takes place after the support roller principle.
  • Another principle is the so-called back-up roll principle in which the individual material webs are held on their winding tube.
  • the winding rollers are located on a pressure roller. If you use this pressure roller for all bobbins together, so it is also called a central roller.
  • a problem with winding such cut paper webs into winding rolls is that a single paper web can occasionally tear. Such cracks are not or only poorly predictable. In certain areas of the path of the paper web can be seen a demolition by measuring the tension there accordingly. From the time when the cut paper web runs onto the contact roller, however, such a tensile stress measurement is relatively difficult with reasonable effort and without damaging the cut paper web. However, the problem of a web break also occurs there, that is directly on the contact roller. If the torn paper web is further transported to the winding, that is, to the winding positions, but is not wound there, there is a significant risk of destruction of components on the winding machine. Such a component may be, for example, the contact roller whose coating so can be damaged, that even a roller replacement is necessary. In addition, the subsequent "tidying up" is relatively tedious and time consuming.
  • the material web sensor is preferably designed as a non-contact, in particular optical sensor, which does not stress the material web and also leaves no markings that could disturb the subsequent further processing of the material web.
  • a material web sensor has the serious disadvantage that it responds as far as possible to environmental influences. Since the machine, in which such a material web sensor is installed, is usually not characterized by purity and cleanliness, it can lead to contamination and deposits on the material web sensor over time. These contaminants and deposits, in turn, can impair its functioning in a lasting manner, as a rule permanently impairing it. So it may well happen that the control of the machine due to a false signal generated by the material web sensor, the machine via an emergency stop even brings to a standstill. This ultimately provides a not negligible loss of production and also requires a restoration of the operability of the web sensor, for example, by consuming cleaning and readjustment.
  • the invention has for its object to determine a simple and reliable way to demolish a web.
  • the material web sensor comprises a temperature sensor which is arranged on a stationary, the guide or contact roller adjacent component and which is aligned with the guide or contact roller.
  • the reliable and in its construction extremely robust temperature sensor determines in a simple and also safe way, whether or not the web of material guided during the operation of the machine in a certain way past the guide or contact roller.
  • the operation is undisturbed, that is, the web is not cracked, then you can determine this. In this case, namely, the web is properly, that is flat on the guide or contact roller and the temperature sensor recorded no increase in temperature.
  • the temperature sensor is outstandingly suitable for the task placed on it, since it is largely insusceptible to the relevant environmental influences, such as, in particular, soiling and deposits.
  • the temperature sensor preferably generates a signal that is preferably continuously amplified during rotation of the guide roller or contact roller, at least in the event of a fault. For this signal, which preferably amplifies continuously in the event of a fault, it is then possible to set control-relevant limit values, above which certain measures are taken.
  • the temperature sensor exclusively generates a signal which preferably continuously amplifies during rotation of the guide roller or contact roller in the event of a fault.
  • the monitoring effort and monitoring complexity can be minimized.
  • the temperature sensor is preferably provided within the section of the path of travel of the material web from the first position to the second position.
  • At least two temperature sensors can be provided, in which case at least one temperature sensor within the section of the path of the material web from the first position to the second position and at least one further Temperature sensor is provided outside the portion of the path of travel of the web from the first position to the second position.
  • the stationary and the guide or contact roller adjacent component is under practical and constructive aspects preferably a bearing part for the guide or contact roller, in particular a reel stand or a guide head exhibiting support arm.
  • a bearing part for the guide or contact roller in particular a reel stand or a guide head exhibiting support arm.
  • one of the two types of components is available from the factory, so that the Installation of the temperature sensor in terms of its mechanics and its power supply is optimally executed.
  • a winding machine for winding a material web, in particular a paper or board web, on a winding tube to at least one winding roll, which forms a winding nip with at least one axially parallel and adjacent contact roller, has at least one described temperature sensor.
  • the winding machine can have a contact roller designed as a support roller, against which the winding rollers mounted by means of reeling beams rest axially offset from one another at different circumferential positions in at least two winding position groups.
  • at least one temperature sensor can be provided in each case at several, preferably at all Aufrollböcken. This winding thus takes place after the back-up roll principle.
  • the winding machine can have two contact rollers designed as support rollers, which form a winding bed for the at least one wound reel preferably mounted on the end side by means of support arms.
  • at least one temperature sensor can be provided in each case on at least one support arm, preferably two support arms. This winding thus takes place after the support roller principle.
  • the single figure shows a schematic and partial view of a winding machine 1 for winding a cut material web 2, in particular a paper or board web.
  • the winding machine 1 is designed as a back-up roll winder and comprises a contact roll 3 designed as a support roll 4, against which a plurality of winding rolls 5.1, 5.2 mounted by means of take-up blocks 6.1, 6.2 abut each other at different circumferential positions B1, B2 in at least two winding position groups A1, A2. While the cut material webs 2, which are wound in the circumferential position B1, loop around the support roller 4 by about 90 °, the cut material webs 2, which are wound in the circumferential position B2, guided over the support roller 4 over about 180 °.
  • the winding machine 1 is in the direction of L (arrow) of the webs 2 upstream of a roller cutting device 7.
  • the entire area in front of the support roller 4 is referred to as Zuurerabites 8 for simplicity.
  • a usually machine-width material web 9, for example, a paper or board web unwound from a jumbo or mother roll, is supplied.
  • the web 8 passes through a cutting section 10, in which it is divided by a known per se, such as cutting blade 11, 12, in several webs 2.
  • the cutting blades 11, 12 cut the material web 9, which is subsequently guided over a further roller 13, in this case in its longitudinal direction.
  • a certain tensile force is required, which is applied via the support roller 4, which is also referred to as the central roller.
  • the winding rollers 5.1, 5.2 formed on the winding tubes 14 are so strongly pressed against the surface of the support roller 4 when a respective nip N1, N2 (winding nip) is formed, that the resulting frictional engagement is sufficient to cut the material web 9 in material webs 2 to transfer necessary traction.
  • a web tension measuring device 15 is shown schematically, which determines the tension of the material web 9 in front of the roller cutting device 7. If this tension abates suddenly, this indicates a web break back and the winding machine 1 and especially the material web supply can be stopped.
  • At least one material web sensor 17, which comprises a temperature sensor 18, is provided in the region of the travel path 16 of the respective web 2 from a first position P1 to a second position P21 or P22.
  • the temperature sensor 18 is arranged on the stationary, the backup roller 4 adjacent retractor 6.1 and 6.2 and aligned with the support roller 4. It is thus provided within the section of the running path 16 of the respective material web 2 from the first position P1 to the second position P21 or P22.
  • at least one temperature sensor 18 is preferably provided on a plurality of, preferably on all Aufrollböcken 6.1 and 6.2 respectively.
  • the temperature sensor 18 generates a signal 19 (arrow) which preferably continuously amplifies during rotation of the support roller 4, at least in the event of a fault, which signal is passed on to a control unit 20 assigned to the winding machine 1 and indicated only if necessary.
  • the generated signal 19 (arrow) can then trigger an emergency stop for the winding machine 1, for example via the controller 20, in order to protect it from further and possibly even greater damage in the event of a fault.
  • the temperature sensor 19 exclusively generates a signal 19 (arrow) that preferably continuously amplifies during rotation of the support roller 4 in the event of a fault.
  • At least two temperature sensors 18, 21 may be provided, wherein at least one temperature sensor 19 within the portion of the running path 16 of the material web 2 from the first position P1 to the second position P21 or P22 and at least one further temperature sensor 21 is provided outside the portion of the running path 16 of the web 2 from the first position P1 to the second position P21 and P22, respectively.
  • the at least one further temperature sensor 21 is only indicated schematically, the structure thereof and function with those of the at least one temperature sensor 19 largely coincide.
  • the winding machine 1 shown in the figure may also have two contact rollers designed as support rollers, which form a winding bed for the at least one winding roller mounted on the end side by means of support arms.
  • at least one temperature sensor 18 can be provided in each case on at least one support arm, preferably both support arms.
  • the winding machine 1 thus has a guide or contact roller arrangement for handling a material web 2, wherein this guide or contact roller arrangement is designed as a support roller 4.
  • both a guide or contact roller assembly for handling a web and a winding machine for winding a web of the aforementioned types are developed such that in a simple and reliable way a demolition of a web can be determined.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Claims (11)

  1. Agencement de cylindre conducteur ou contacteur pour la manipulation d'une nappe de matériau (2), en particulier dans une bobineuse (1), dont la surface périphérique forme au moins en partie une portion d'un chemin d'avance (16) de la nappe de matériau (2) depuis une première position (P1) jusqu'à une deuxième position (P21, P22), au moins un capteur de nappe de matériau (17) étant prévu sur le cylindre conducteur ou contacteur (3, 4), lequel est disposé sur un composant (6.1, 6.2) fixe, adjacent au cylindre conducteur ou contacteur (3, 4), et est orienté vers le cylindre conducteur ou contacteur (3, 4),
    caractérisé en ce que
    le capteur de nappe de matériau (17) comprend un capteur de température (18).
  2. Agencement de cylindre conducteur ou contacteur selon la revendication 1,
    caractérisé en ce que
    le capteur de température (18) produit un signal (19) s'amplifiant de préférence en continu au moins en cas de perturbation lors de la rotation du cylindre conducteur ou contacteur (3, 4).
  3. Agencement de cylindre conducteur ou contacteur selon la revendication 2,
    caractérisé en ce que
    le capteur de température (18) exclusivement produit un signal (19) s'amplifiant de préférence en continu en cas de perturbation lors de la rotation du cylindre conducteur ou contacteur (3, 4).
  4. Agencement de cylindre conducteur ou contacteur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le capteur de température (18) est prévu à l'intérieur de la portion du chemin d'avance (16) de la nappe de matériau (2) depuis la première position (P1) jusqu'à la deuxième position (P21, P22).
  5. Agencement de cylindre conducteur ou contacteur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'on prévoit au moins deux capteurs de température (18, 21), au moins un capteur de température (18) étant prévu à l'intérieur de la portion du chemin d'avance (16) de la nappe de matériau (2) depuis la première position (P1) jusqu'à la deuxième position (P21, P22) et au moins un autre capteur de température (21) étant prévu en dehors de la portion du chemin d'avance (16) de la nappe de matériau (2) depuis la première position (P1) jusqu'à la deuxième position (P21, P22).
  6. Agencement de cylindre conducteur ou contacteur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le composant est une partie de palier pour le cylindre conducteur ou contacteur (3, 4), notamment un bloc de roulement (6.1, 6.2) ou un bras de support présentant de préférence une tête de guidage.
  7. Bobineuse (1) pour enrouler une nappe de matériau (2), en particulier une nappe de papier ou de carton, sur un mandrin de bobinage (14), pour former au moins une bobine (5.1, 5.2), qui forme une fente de bobinage (N1, N2) avec au moins un cylindre de contact (3, 4) disposé avec son axe parallèle et en applique,
    caractérisée en ce
    qu'elle présente au moins un capteur de température (18) selon l'une quelconque des revendications 1 à 6.
  8. Bobineuse (1) selon la revendication 7,
    caractérisée en ce
    qu'elle présente un cylindre de contact (3) réalisé sous forme de cylindre de support (4), sur lequel les bobines (5.1, 5.2) supportées au moyen des blocs d'enroulement (6.1, 6.2) s'appliquent dans des positions périphériques différentes (B1, B2) de manière décalée axialement l'une par rapport à l'autre dans au moins deux groupes de positions de bobinage (A1, A2).
  9. Bobineuse (1) selon la revendication 8,
    caractérisée en ce que
    l'on prévoit à chaque fois au moins un capteur de température (18) sur plusieurs, et de préférence sur tous les blocs d'enroulement (6.1, 6.2).
  10. Bobineuse (1) selon la revendication 7,
    caractérisée en ce
    qu'elle présente deux cylindres de contact réalisés sous forme de cylindres porteurs, qui forment un lit de bobinage pour l'au moins une bobine supportée de préférence du côté frontal au moyen de bras de support.
  11. Bobineuse (1) selon la revendication 10,
    caractérisée en ce que
    l'on prévoit sur au moins un bras de support, de préférence les deux bras de support, à chaque fois au moins un capteur de température (18).
EP06123716A 2005-12-12 2006-11-09 Cylindre conducteur ou contacteur pour la manipulation d'un materiau en bande Not-in-force EP1795471B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005000180A DE102005000180A1 (de) 2005-12-12 2005-12-12 Leit- oder Kontaktwalzenanordnung zum Handhaben einer Materialbahn

Publications (3)

Publication Number Publication Date
EP1795471A2 EP1795471A2 (fr) 2007-06-13
EP1795471A3 EP1795471A3 (fr) 2009-01-14
EP1795471B1 true EP1795471B1 (fr) 2010-04-14

Family

ID=37847057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06123716A Not-in-force EP1795471B1 (fr) 2005-12-12 2006-11-09 Cylindre conducteur ou contacteur pour la manipulation d'un materiau en bande

Country Status (3)

Country Link
EP (1) EP1795471B1 (fr)
AT (1) ATE464261T1 (fr)
DE (2) DE102005000180A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007025804A1 (de) * 2007-06-02 2008-12-04 Voith Patent Gmbh Wickelvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19944958C2 (de) * 1999-09-20 2002-02-07 Voith Paper Patent Gmbh Leit- oder Kontaktwalzenanordnung zum Handhaben einer Materialbahn, insbesondere in einer Rollenwickelvorrichtung

Also Published As

Publication number Publication date
ATE464261T1 (de) 2010-04-15
DE502006006687D1 (de) 2010-05-27
EP1795471A2 (fr) 2007-06-13
EP1795471A3 (fr) 2009-01-14
DE102005000180A1 (de) 2007-06-14

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