EP0890538B1 - Refendeuse - Google Patents

Refendeuse Download PDF

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Publication number
EP0890538B1
EP0890538B1 EP98110447A EP98110447A EP0890538B1 EP 0890538 B1 EP0890538 B1 EP 0890538B1 EP 98110447 A EP98110447 A EP 98110447A EP 98110447 A EP98110447 A EP 98110447A EP 0890538 B1 EP0890538 B1 EP 0890538B1
Authority
EP
European Patent Office
Prior art keywords
web
partial
conveyor
roll cutter
cutter according
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.)
Expired - Lifetime
Application number
EP98110447A
Other languages
German (de)
English (en)
Other versions
EP0890538A1 (fr
Inventor
Joachim Hinz
Herbert Müller
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 Paper GmbH and Co KG
Original Assignee
Voith Paper 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 filed Critical Voith Paper Patent GmbH
Publication of EP0890538A1 publication Critical patent/EP0890538A1/fr
Application granted granted Critical
Publication of EP0890538B1 publication Critical patent/EP0890538B1/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
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • 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
    • B65H2801/84—Paper-making machines

Definitions

  • the invention relates to a slitter with a Cutting station for cutting a material web in Partial webs and with a winding station for winding of the partial webs to partial web rolls, whereby between the Cutting station and the winding station a conveyor for conveying at least one partial web start arranged from the cutting station to the winding station see e.g. DE-A-3 414 636.
  • the invention is intended to be based on a paper web be described as an example of a material web, without the invention being limited thereto.
  • Paper webs are often made in widths, for a later user, for example one Printers that are too big. In one of the last manufacturing steps the paper webs are therefore in the slitter brought to the right width in which they are cut into partial webs. Here you can also straighten the edges.
  • the partial lanes are then wound into partial web rolls in the winding station.
  • the partial web rolls then have a width between 0.4 and 3.8 m. Their diameter is usually greater than 1.0 m. This is the material web either handled by a so-called jumbo roll, whose width and diameter is much larger, or the material web is fed directly from the calender.
  • a slitter rewinder should be possible in its cutting program be flexible, i.e. it must have partial webs with different and can produce changing widths. Accordingly, the entire working range of the Slitter with appropriate conveyors equip what is out of the question of cost, because of such Conveyors are relatively expensive are.
  • the invention has for its object the winding of the partial webs at high production speeds to enable with reasonable effort.
  • This task is the beginning of a slitter mentioned type solved in that the conveyor a smaller width than the material web has and movable transversely to the direction of the partial webs is.
  • the partial lanes are not necessarily all wrapped at the same time, i.e. the winding of the partial web rolls starts at different times.
  • the consequence is that the partial web rolls also finished at different times be placed so that you then the conveyor even only at a certain time on a certain one Partial web roll required.
  • the conveyor can move to the position the next partial web roll, whose Winding is finished and a new roll core must be wound. This is how you come in particular with a continuous winder with a relatively narrow and therefore inexpensive Conveyor and can still Start of each partial web with full width to the Lead winding station and there on the roll core to the system bring.
  • the conveyor has one widest possible partial web adapted working width.
  • a slitter winder is usually designed so that he produce partial webs up to a maximum width can.
  • the conveyor does not have to be wider. It is therefore sufficient if you open the conveyor tunes the slitter.
  • the conveyor is advantageously transverse to the running direction of the partial webs divided into segments that can be activated individually or in groups.
  • a slitter must be different and can produce changing web widths. If you now the width of the conveyor to the adapts the widest possible partial web, then there is in particular at the beginning of the entire winding process, the danger that the conveyor is not just a partial web, Instead, it registers and supports several partial webs. However, if you provide the possibility that only individual segments are activated, if necessary can also be grouped together, then you can let the conveyor work specifically that it only promotes the desired partial web. The other sub-lanes remain unaffected. Your run will therefore not negatively affected.
  • the conveyor is preferably about an axis pivotable, which is arranged at one end and essentially transverse to the running direction of the partial webs runs.
  • the axis is arranged at the end that is adjacent to the cutting station. To this Way it is possible with the conveyor more to load as a winding position. For example can be different vertically and / or horizontally Feed offset winding stations.
  • the conveyor device is advantageously a pull-roller arrangement upstream, which extends across the width of the material web extends.
  • This pull roller assembly pulls the material web through the cutting station.
  • the conveyor can therefore be limited to the Partial web from the cutting station, more precisely from the Pull roller assembly to transport to the winding station. The conveyor must then have higher tractive forces do not apply.
  • This return device serves in particular to manufacture of the partial web rolls to begin with. Since the Conveyor only ever one (or a few) partial web rolls can supply with the partial webs is one Possibility provided how to get the partial webs then can't be wrapped because they haven't have been passed into the winding station can. You simply route these partial lanes into the Pulper back. While this means a certain loss, because these partial webs are already practically the have gone through the entire manufacturing process. It deals but relatively short sections. This situation also does not occur very often, so that the losses caused by this are definitely in Can take purchase.
  • the conveyor preferably has at least one Air-permeable conveyor belt guided over a suction box on.
  • the suction box then sucks the paper web stuck on the conveyor belt. Since the conveyor belt rotates, the paper web will continue along with the conveyor belt transported and can be promoted to the desired position become.
  • the conveyor belts several Segments have a common drive and the Suction boxes of these segments can be controlled individually. This means that the conveyor belts move together set. But only the conveyor belts can Develop transport effect, the suction boxes controlled are, so create a negative pressure.
  • the conveyor at least has a conveyor plate, which is provided with air nozzles is.
  • the one ejected here at high speed Air transports the partial web in the manner of a Air cushion.
  • more or fewer segments are required for conveying here and accordingly a larger or smaller one Number of air nozzles actuated.
  • Fig. 1 shows a slitter 1 for cutting a Material web, here a paper web 2, in partial webs 3.
  • the partial webs are in a winding station 4 wound into partial web rolls 5.
  • the partial webs 3 are shown interrupted, so that you can recognize a conveyor 6 can, which would otherwise be covered by the partial webs 3.
  • the slitter winder 1 has a cutting station 7 Knives 8, which in the direction of a double arrow 9 are movable to different cutting patterns, i.e. Partial web widths.
  • the paper web 2 has a running direction 10.
  • the partial webs 3 run in the same direction after the cutting station 7 have gone through Behind the cutting station 7 is one Draw roller assembly 11 arranged, if necessary can also consist of a pair of pull rollers.
  • the conveyor 6 narrower than paper web 2, i.e. she points an even much smaller one in the present case Width than the paper web 2. It just has to be that wide be that they have the widest possible partial web 3 in full Width can support.
  • Fig. 2 now shows the start of a winding process, at the four partial webs over the draw roller assembly 11 becomes.
  • the individual partial webs are with the letters A-D marked.
  • first of all the sub-web B are led into the winding station.
  • the remaining sub-webs A, C and D are marked by a Chute 13 led back to the pulper.
  • the conveyor 6 has a greater width than the subway B on.
  • the conveyor 6 is, however into several adjacent segments I-VI divided. These segments can be activated individually, i.e. the conveying effect of the conveying device 6 restrict to certain segments. In the present Only two segments are activated, namely the Segments II and III, the combined width of which about Width of the partial web B corresponds. The remaining segments remain deactivated. You may also be able to the reverse conveying direction are activated so the neighboring sections A and C are not accidentally are supported.
  • the width of the segments I-VI of the conveyor 6 can be constant. But you can also different Choose widths, for example the width can vary from double one segment to another. Then can you always have a segment combination with relatively little effort choose the width of each to be funded Partial web is adapted.
  • Fig. 3 shows that the conveyor 6 by one Axis 14 is pivotable at one end of the conveyor 6 is arranged at the end, that is adjacent to the pull roller assembly 11.
  • the conveyor 6 can even be designed such that the individual segments I-VI pivoted independently of one another can be. In the present case they are Segments III and IV, which promote the subway C, pivoted so that they take the sub-web C to a winding station promote to another winding station to which the would promote segments I, II and V, VI.
  • the offset can be both vertical, as shown, as well as in the horizontal direction.
  • Fig. 4 shows one first form of training, in which the subway 3 on a Air cushion is promoted by air jets 15th is formed, which is ejected from an air baffle 16 become.
  • the air baffle 16 forms the upper boundary wall of a blow box 17, the over a connection 18 compressed air is supplied.
  • the air jets 15 are still directed, i.e. if you look at the nozzles 19, from which the air jets 15 emerge, a predetermined orientation, then the air jets 15 also serve in addition to the partial web 3 to drive.
  • FIG. 5 shows another embodiment, which, however, also together with the configuration according to FIG. 4 can be operated.
  • the configurations 4 and 5 can be arranged in series.
  • the conveyor has a revolving Conveyor belt 20 on the over pulleys 21, 22 is performed.
  • the conveyor belt 20 is with his upper run over a suction box 23, the over a port 24 is continuously sucked air. Since that Conveyor belt 20 is permeable to air, is on this Way the partial web 3 on the upper run of the conveyor belt 20 in the area between the two pulleys 21, 22 sucked.
  • the axis of the deflection roller 21 can simultaneously serve as axis 14 about which the conveyor 6 is pivoted can be. All pulleys 21 on this axis can be arranged with a single Drive are driven. The activation of each Segments then takes place in that only in the segments, in which the subway 3 is to be promoted, a negative pressure is generated in the suction box 23.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Claims (10)

  1. Refendeuse, comportant un poste de découpe destiné à la découpe d'une bande de matière en bandes partielles, et un poste d'enroulement destiné à l'enroulement des bandes partielles en rouleaux de bandes partielles, un dispositif de transport étant prévu entre le poste de découpe et le poste d'enroulement pour le transport d'au moins un début de bande partielle du poste de découpe au poste d'enroulement, caractérisée en ce que le dispositif de transport (6) est moins large que la bande de matière (2), et en ce qu'il peut être déplacé transversalement au sens de déplacement (10) des bandes partielles (3).
  2. Refendeuse selon la revendication 1,
    caractérisée en ce que la largeur de travail du dispositif de transport (6) est adaptée à la bande partielle (3) la plus large possible.
  3. Refendeuse selon la revendication 1 ou 2, caractérisée en ce que, transversalement au sens de déplacement (10) des bandes partielles (3), le dispositif de transport (6) est subdivisé en segments (I à VI) qui peuvent être activés individuellement ou par groupes.
  4. Refendeuse selon la revendication 3,
    caractérisée en ce que des segments individuels (I à VI) peuvent être commandés dans différents sens de transport.
  5. Refendeuse selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le dispositif de transport (6) peut pivoter autour d'un axe (14) qui est disposé sur l'une de ses extrémités, et qui s'étend pour l'essentiel transversalement au sens de déplacement (10) des bandes partielles (3).
  6. Refendeuse selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'un dispositif à cylindre de traction (11), qui s'étend sur la largeur de la bande de matière (2), est disposé en amont du dispositif de transport (6).
  7. Refendeuse selon la revendication 6,
    caractérisée en ce qu'un dispositif de recyclage (13) vers le triturateur est disposé dans la zone du dispositif à cylindre de traction (11).
  8. Refendeuse selon l'une quelconque des revendications 1 à 7, caractérisée en ce que le dispositif de transport (6) comporte au moins une bande transporteuse (20) perméable à l'air, qui passe au-dessus d'un caisson d'aspiration (23).
  9. Refendeuse selon la revendication 8,
    caractérisée en ce que les bandes transporteuses (20) de plusieurs segments comportent un entraínement commun, et en ce que les caissons d'aspiration (23) de ces segments peuvent être commandés individuellement.
  10. Refendeuse selon l'une quelconque des revendications 1 à 9, caractérisée en ce que le dispositif de transport comporte au moins une tôle de guidage (16) qui est munie de buses d'air (19).
EP98110447A 1997-07-10 1998-06-08 Refendeuse Expired - Lifetime EP0890538B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19729530A DE19729530C2 (de) 1997-07-10 1997-07-10 Rollenschneider
DE19729530 1997-07-10

Publications (2)

Publication Number Publication Date
EP0890538A1 EP0890538A1 (fr) 1999-01-13
EP0890538B1 true EP0890538B1 (fr) 2001-10-17

Family

ID=7835260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110447A Expired - Lifetime EP0890538B1 (fr) 1997-07-10 1998-06-08 Refendeuse

Country Status (3)

Country Link
US (1) US5904312A (fr)
EP (1) EP0890538B1 (fr)
DE (2) DE19729530C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3640291B2 (ja) * 1998-12-07 2005-04-20 富士写真フイルム株式会社 磁気記録媒体の製造方法及びその製造装置
DE19925339C2 (de) * 1999-06-02 2003-02-27 Lohmann Therapie Syst Lts Verfahren und Vorrichtung zum Herstellen eines Produktes aus Streifenband, insbesondere eines medizinischen und/oder wirkstoffhaltigen Produktes sowie befüllbaren Behältern oder Siegelrandbeuteln
DE10354671A1 (de) * 2003-11-22 2005-06-16 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Weiche für in mehrere Teil-Bahnen aufzuteilende Bahn
DE102008012034A1 (de) * 2008-02-29 2009-09-03 Manroland Ag Falzaufbau einer Rollenrotationsdruckmaschine und Verfahren zum Betreiben desselben
US8398063B2 (en) * 2008-12-10 2013-03-19 Gross International Americas, Inc. Ribbon transport apparatus and method
CN108263888B (zh) * 2017-12-12 2019-07-02 芜湖市亿仑电子有限公司 一种具有接带装置的膜片分切机
IT202100018878A1 (it) * 2021-07-16 2023-01-16 Futura Spa Sistema di guida per la movimentazione di materiale cartaceo.
IT202100018890A1 (it) * 2021-07-16 2023-01-16 Futura Spa Sistema di guida per la movimentazione di materiale cartaceo.
EP4219364B1 (fr) * 2022-02-01 2024-07-03 Rodolfo Comerio Srl Enrouleuse pour un produit en feuille

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Also Published As

Publication number Publication date
EP0890538A1 (fr) 1999-01-13
DE19729530A1 (de) 1999-01-21
DE59801746D1 (de) 2001-11-22
DE19729530C2 (de) 1999-05-20
US5904312A (en) 1999-05-18

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