EP0997417B1 - Méthode et dispositif pour couper une bande en déplacement - Google Patents

Méthode et dispositif pour couper une bande en déplacement Download PDF

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Publication number
EP0997417B1
EP0997417B1 EP99114472A EP99114472A EP0997417B1 EP 0997417 B1 EP0997417 B1 EP 0997417B1 EP 99114472 A EP99114472 A EP 99114472A EP 99114472 A EP99114472 A EP 99114472A EP 0997417 B1 EP0997417 B1 EP 0997417B1
Authority
EP
European Patent Office
Prior art keywords
web
cutting device
core
cutting
winding
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
EP99114472A
Other languages
German (de)
English (en)
Other versions
EP0997417A1 (fr
Inventor
Zygmunt Madrzak
Walter Kaipf
Roland Möller
Matthias Wohlfahrt
Jörg Dr. Maurer
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
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 EP0997417A1 publication Critical patent/EP0997417A1/fr
Application granted granted Critical
Publication of EP0997417B1 publication Critical patent/EP0997417B1/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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
    • B65H19/2261—Pope-roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/045—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/10—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
    • B26D1/105—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/10—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
    • B26D1/11—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge with a plurality of cutting members
    • B26D1/115—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge with a plurality of cutting members for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • B26D5/04—Means for moving the cutting member into its operative position for cutting by fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B65H19/265—Cutting-off the web running to the wound web roll using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the web
    • 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
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4187—Relative movement of core or web roll in respect of mandrel
    • B65H2301/4189—Cutting
    • B65H2301/41898—Cutting threading tail and leading it to new core
    • 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
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5151—Cutting handled material transversally to feeding direction
    • 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
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5153—Details of cutting means
    • B65H2301/51534—Water jet
    • 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
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5153—Details of cutting means
    • B65H2301/51536—Laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/236—Pope-winders with first winding on an arc of circle and secondary winding along rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/2362—Winding machines with two secondary winding spools, e.g. on separate carriages
    • B65H2408/2364—Winding machines with two secondary winding spools, e.g. on separate carriages with additional element for facilitating web roll change
    • 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 method for cutting a running Material web, in particular a paper web, in which the material web successively wound on several winding cores, in particular reels and each started with winding on a new winding core when one is formed on a previous old winding core Has reached a predetermined diameter, the new winding core between a winding roller, in particular a support roller, and the old winding core, to which the material web is fed via the winding roller is brought and the running material web in the area between a gap from the winding roller and the new winding core is formed, and the winding roll formed on the old winding core is severed, according to the preamble of claim 1.
  • the invention also relates to a device for carrying out a such a method with at least one cutting device, according to the preamble of claim 19.
  • Such separation methods and devices are for example in the Papermaking applied to the finished paper web without interruption the manufacturing process, i.e. without switching off the paper machine, one after the other on several winding cores, which are also called reels be referred to wind up.
  • DE 2 721 883 A describes in a device for Transfer of a paper web two by means of a rope outwardly movable, oblique cutting lines generating knife, whereby to completely cut the Paper web an additional cutting device is provided.
  • this object is achieved with the characteristics of the characterizing Part of the Claim 1 solved in that the material web by means of at least one cutting device which is in a material web approximately parallel plane is moved relative to the material web, is completely severed.
  • the Cutting device with an at least approximately constant speed at least substantially perpendicular to the direction of the Material web moves.
  • a cutting line can be generated in the material web at an angle to the running direction of the material web from an edge of the material web runs to the opposite edge.
  • the generated by it The sloping edge of the new web start can also be used at very high web speeds comparatively easy on the new winding core be wound up. This creates a conically wound start of winding.
  • two cutters in opposite directions at least approximately perpendicular to the direction of travel of the material web moved with preferably at least approximately constant speed.
  • the two cutting devices can - with respect to the transverse direction - in this way on the material web in the region of its center or from the edges of which are set so that two intersecting, each diagonally to the running direction of the material web from about the middle to one the edges or reverse cut lines are created.
  • the leading edge of the new path start can be cut to a point be made, which makes winding on the new winding core easier becomes.
  • a paper web 10 is over a winding roller 18th a winding core 14, hereinafter referred to as the old winding core is supplied, on which, in the state according to FIG. 1, a winding roll already 16 has been formed.
  • the paper web 10 runs through a gap 21 between the winding roller 16 and a pressure roller 32.
  • the axes of rotation of the winding roller 18 and the old winding core 14 lie in the same horizontal plane in which the old winding core 14 load-bearing winding carriage 44, which is outside of the axis of rotation of the Winding roller 18 and the old winding core 14 is in one direction is movable perpendicular to the axes of rotation.
  • Fig. 1 shows the winding device in a state in which the desired Final diameter of the winding roll 16 reached and the old winding core 14 from a winding position adjacent to the winding roller 18 in FIG. 1 has moved to the right.
  • a new winding core 12 on which the paper web 10 is further wound 1 the winding roller 18 is in a position according to FIG driven in which the axes of rotation of the new winding core 12 and the Winding roller 18 perpendicular cutting line at an angle ⁇ of about 30 ° to the horizontal.
  • the new winding core 12 and the winding roller 18 form a gap 20 for the paper web 10.
  • a cutting device is near the new winding core 12 in the direction of web travel behind the gap 20 between the winding roller 18 and the new one Winding core 12, i.e. in the area between the gap 20 and the on the old winding core 14 formed winding roll 16 positioned.
  • the cutting device comprises a knife 24 which is connected to a transport device 36 is coupled, which is attached to a carrier 38.
  • the Carrier 38 is together with the knife 24 and the transport device 36 by means of an actuator 34 between a solid in Fig. 1 Lines shown separating position and a dashed line Waiting position swiveling, as indicated by a double arrow is indicated in Fig. 1.
  • the transport device 36 for example comprises an endless member 40 designed as a chain, belt or band, to which the knife 24 is attached and which is perpendicular to the direction indicated by an arrow B, i.e. longitudinal of the new winding core 12 extends, the direction of rotation by a Arrow C is indicated.
  • the endless member 40 is tensioned by two deflection rollers 42.
  • One of the Deflection rollers 42 is coupled to a drive device, not shown, let it circulate around the endless member 40 and thus the knife 24 to be able to.
  • FIG. 1 To with the winding device according to the invention shown in FIGS. 1 and 2 wind the paper web 10 onto the new winding core 12, the state shown in FIG. 1 is first established. This will be the new one Winding core 12 between the winding roller 18 and that of the winding roller 18 brought old winding core 14 brought.
  • the carrier 38 is pivoted into the disconnected position according to FIG. 1, wherein the knife 24 in the rest position shown in dashed lines in FIG. 2 on the side of the endless member 40 facing away from the paper web 10 located.
  • a cutting line is formed which runs obliquely to the web running direction B. 46, the angle that the cutting line 46 with the web running direction B includes the ratio of the speeds of the knife 24 and the paper web 10 depends.
  • Paper web 10 cut at an angle to web running direction B is then if necessary with the help of suitable means on the new winding core 12 wound.
  • the new path start 10a can do this for example, blown onto the new winding core 12 by means of compressed air become. Due to the severing of the paper web 10 behind the gap 20 is the new winding core 12 in the arrangement according to FIGS. 1 and 2 at the end of the separation process, in some areas, from the new start of the path 10a wrapped around, causing the new web start to wind up 10a on the new winding core 12 is facilitated.
  • the cutting device can also be used with another Cutting tool may be provided, for example with a nozzle for Ejecting a jet of water under high pressure, a laser or a rotating toothed cutting wheel.
  • the Cutting device can also be moved obliquely to the web running direction B, whereby - with unchanged speed of the paper web 10 and the Knife 24 - the angle between the cutting line 46 and the web running direction B smaller, i.e. the paper web 10 is cut more pointedly.
  • the winding device in the embodiment according to FIG. 3 differs differs from the embodiment described above with reference to FIGS. 1 and 2 in that the new one for severing the paper web 10 Winding core 12 further into the space between winding roll 16 and the winding roller 18 is moved in such a way that the axes of rotation of the Winding cores 12, 14 and the winding roller 18 in the same horizontal Level.
  • the new one Winding core 12 thus dipped deeper into the paper web 10, the Paper web 10 the new winding core 12 over an angular range of almost wraps around 90 °.
  • the cutting device instead of a rotating knife, the cutting device with a revolving nozzle 26 provided, through which a water jet under high Pressure can be ejected in the direction of the new winding core 12, which is able to cut the paper web 10.
  • the nozzle 26 is aligned so that such a water jet approximately in radial Direction towards the new winding core 12 is aimed.
  • the cutting device can also be done by other means be provided for severing the paper web 10, e.g. B. with a laser device.
  • the winding cores 12, 14 are preferably of an elastically deformable type Cover made of polyurethane or another wear-resistant plastic Mistake.
  • the winding roller 18 can be compliant Have reference, while the winding cores 12, 14 with a metal manufactured cover are provided.
  • the cutting device comprises two knives 24 ' in each case perpendicular to the web running direction indicated by the arrow B in FIG. 5 are movable in opposite directions.
  • the transport device 36 'not shown in detail in FIG. 5 comprises an endless organ, as explained in connection with FIGS. 1 and 2 has been and on which the two knives 24 'are attached.
  • the knives 24 'can also each start from one of the edges of the Paper web 10 perpendicular to the web running direction B in the direction of the center the paper web 10 are in turn moved such that the cutting lines to cut. This would look like a V or dovetail incised new start of path.
  • the embodiment of the winding device according to the invention 6 and 7 differs from the embodiment according to Fig. 1 in that the knife 24 "comprising transport device 36 "comprises a cylinder-piston unit 28.
  • the knife 24" is with a Cylinder coupled in a perpendicular to the web running direction B in a piston extending parallel to the paper web 10 can be moved back and forth.
  • every combination is between the specific design the cutting device and the arrangement of the new winding core 12 with respect to the old winding core 14 and the winding roller 18 possible.
  • the transport device of the cutting device can also be one a linear guide include positively guided carriage, which at the beginning of the separation process accelerated impulsively and across the full width of the Paper web is shot to a certain extent.
  • the transport device 36, 36 ', 36' 'of the cutting device and the Actuator 34 can with the new winding core 12 - z. B. about elements carried by means of the new winding core 12 - coupled in this way be that the cutting device when swiveling the new Winding core 12 to the winding roller 18 - regardless of the position of the new winding core 12 - always in an optimal position for Cutting the paper web 10 is located.
  • An advantage of the invention is that the pivoting movement of the new winding core 12 to the winding roller 18 for cutting the paper web 10 does not have to be interrupted.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Replacement Of Web Rolls (AREA)
  • Control Of Cutting Processes (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Details Of Cutting Devices (AREA)

Claims (29)

  1. Procédé pour couper une bande de matériau (10) en déplacement, en particulier une bande de papier, dans lequel la bande de matériau est enroulée successivement sur plusieurs noyaux de bobinage (12, 14), en particulier des tambours, et l'on commence l'enroulement à chaque fois sur un nouveau noyau de bobinage (12) dès qu'un rouleau de bobinage (16) formé sur un ancien noyau de bobinage précédent (14) a atteint un diamètre prédéterminé,
    le nouveau noyau de bobinage (12) étant placé entre un cylindre de bobinage (18), en particulier un cylindre porteur, et l'ancien noyau de bobinage (14), auquel la bande de matériau (10) est acheminée par le biais du cylindre de bobinage (18) et
    la bande de matériau (10) en déplacement est coupée dans la région entre un interstice (20) qui est formé par le cylindre de bobinage (18) et le nouveau noyau de bobinage (12), et le rouleau de bobinage (16) formé sur l'ancien noyau de bobinage (14),
    caractérisé en ce que
    la bande de matériau (10) est coupée complètement au moyen d'au moins un dispositif de coupe qui est déplacé par rapport à la bande de matériau (10) dans un plan approximativement parallèle à la bande de matériau (10).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le dispositif de coupe est déplacé au moins essentiellement perpendiculairement à la direction d'avance B de la bande de matériau (10), de préférence de telle sorte que l'on obtienne une ligne de coupe (46) oblique.
  3. Procédé selon la revendication 1,
    caractérisé en ce que
    le dispositif de coupe est déplacé en biais par rapport à la direction d'avance B de la bande de matériau (10) de préférence avec une composante parallèle opposée à la direction d'avance B de la bande de matériau (10).
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le dispositif de coupe est avancé en continu sur toute la largeur de la bande de matériau (10).
  5. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le dispositif de coupe est déplacé au cours du découpage de la bande de matériau (10) à une vitesse de préférence au moins approximativement constante d'environ 10 à 40 m/s de préférence.
  6. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le dispositif de coupe est accéléré avant le découpage de la bande de matériau (10).
  7. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le dispositif de coupe comprend au moins une lame (24, 24', 24"), un couteau circulaire, un laser ou une buse (26) pour projeter un jet d'eau.
  8. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    deux dispositifs au moins sont déplacés dans des directions opposées au moins approximativement perpendiculairement à la direction d'avance B de la bande de matériau (10) de préférence approximativement à une vitesse constante.
  9. Procédé selon la revendication 8,
    caractérisé en ce que
    les dispositifs de coupe pour le découpage de la bande de matériau (10) sont placés de préférence en des emplacements de la bande de matériau (10) espacés dans la direction d'avance B de la bande de matériau (10) à chaque fois au moins approximativement au milieu par rapport à la direction transversale.
  10. Procédé selon le préambule de la revendication 1,
    caractérisé en ce que
    la bande de matériau (10) est complètement coupée au moins d'au moins deux dispositifs de coupe qui sont déplacés par rapport à la bande de matériau (10), de préférence dans un plan approximativement parallèle à la bande de matériau (10).
  11. Procédé selon la revendication 10,
    caractérisé en ce que
    chaque dispositif de coupe est réalisé et/ou est utilisé conformément à l'une des revendications 2 à 9.
  12. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la bande de matériau (10) est coupée dans la région d'une section d'avance libre entre le nouveau noyau de bobinage (12) et l'ancien noyau de bobinage (14).
  13. Procédé selon l'une quelconque des revendications 1 à 11,
    caractérisé en ce que
    la bande de matériau (10) est coupé dans une région en contact avec le nouveau noyau de bobinage (12).
  14. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    pendant le découpage de la bande de matériau (10), l'axe de rotation du nouveau noyau de bobinage (12) se trouve au-dessus d'un plan horizontal contenant l'axe de rotation de l'ancien noyau de bobinage (14).
  15. Procédé selon l'une quelconque des revendications 1 à 13,
    caractérisé en ce que
    pendant le découpage de la bande de matériau (10), l'axe de rotation du nouveau noyau de bobinage (12) se trouve essentiellement dans un plan horizontal contenant l'axe de rotation de l'ancien noyau de bobinage (14).
  16. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'après le découpage de la bande de matériau (10), le nouveau début de bande (10a, 10'a) est amené sur le nouveau noyau de bobinage (12) en particulier par soufflage, mouillage, collage et/ou en prévoyant des rubans adhésifs.
  17. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la vitesse de la bande de matériau (10) n'est pas réduite lors du découpage de la bande de matériau (10).
  18. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le nouveau noyau de bobinage (12) est enfoncé dans la bande de matériau (10) lors de l'introduction entre le cylindre de bobinage (18) et l'ancien noyau de bobinage (14).
  19. Dispositif pour mettre en oeuvre un procédé pour couper une bande de matériau (10) en déplacement selon l'une quelconque des revendications précédentes, sur une machine de fabrication et/ou de bobinage de la bande de matériau (10), comprenant :
    plusieurs noyaux de bobinage (12, 14), en particulier des tambours, sur lesquels la bande de matériau (10) peut être successivement enroulée,
    un cylindre de bobinage (18), en particulier un cylindre porteur, un nouveau noyau de bobinage (12), sur lequel la bande de matériau (10) doit être enroulée, pouvant être amené entre le cylindre de bobinage (18) et un ancien noyau de bobinage (14) sur lequel la bande de matériau (10) est enroulée,
    au moins un dispositif de coupe étant prévu pour découper la bande de matériau (10) en déplacement qui est coupée dans la région entre un interstice (20) qui est formé par le cylindre de bobinage (18) et le nouveau noyau de bobinage (12), et qui agit sur le rouleau de bobinage (16) formé sur l'ancien noyau de bobinage (14),
    caractérisé en ce que
    le dispositif de coupe est réalisé pour couper complètement la bande de matériau (10) et peut se déplacer par rapport à la bande de matériau (10) dans un plan approximativement parallèle à la bande de matériau (10) de telle sorte que l'on obtienne dans la bande de matériau (10), par le déplacement du dispositif de coupe, une ligne de coupe continue (46, 46') s'étendant d'un bord de la bande de matériau (10) à l'autre bord opposé.
  20. Dispositif selon la revendication 19,
    caractérisé en ce que
    le dispositif de coupe peut se déplacer sur toute la largeur de la bande de matériau (10).
  21. Dispositif selon la revendication 19 ou 20,
    caractérisé en ce qu'un dispositif de transport (36") du dispositif de coupe comprend au moins une unité cylindre-piston (28) dont le piston porte à une extrémité le dispositif de coupe.
  22. Dispositif selon la revendication 19 ou 20,
    caractérisé en ce qu'un dispositif de transport (36, 36') du dispositif de coupe comprend un organe sans fin (40) placé autour de poulies de renvoi (42), de préférence en forme de chaíne ou de courroie, qui porte sur son côté extérieur le dispositif de coupe.
  23. Dispositif selon l'une quelconque des revendications 19 à 22,
    caractérisé en ce que
    les noyaux de bobinage (12, 14) sont pourvus d'un revêtement déformable élastiquement, se composant en particulier d'un plastique résistant à l'usure, de préférence de polyuréthane.
  24. Dispositif selon l'une quelconque des revendications 19 à 22,
    caractérisé en ce qu'un revêtement des noyaux de bobinage (12, 14) se compose à chaque fois de métal et que le revêtement du cylindre de bobinage (18) se composant de plastique déformable élastiquement, en particulier résistant à l'usure, de préférence du polyuréthane.
  25. Dispositif selon l'une quelconque des revendications 19 à 24,
    caractérisé en ce que
    le dispositif de coupe comprend une buse (26) orientée vers le nouveau noyau de bobinage (12) pour la projection d'un jet d'eau.
  26. Dispositif selon l'une quelconque des revendications 19 à 25,
    caractérisé en ce que
    l'on prévoit au moins deux dispositifs de coupe de préférence espacés dans la direction d'avance B de la bande de matériau (10), qui peuvent être déplacés dans des directions opposées au moins approximativement perpendiculairement à la direction d'avance B de la bande de matériau (10).
  27. Dispositif selon la revendication 19,
    caractérisé en ce que
    l'on prévoit au moins deux dispositifs de coupe qui peuvent être déplacés par rapport à la bande de matériau (10) de telle sorte que l'on obtienne des lignes de coupe (46') se coupant sous l'effet des déplacements des dispositifs de coupe, lesquelles forment conjointement une ligne de coupe continue, s'étendant d'un bord de la bande de matériau (10) à son bord opposé.
  28. Dispositif selon la revendication 27,
    caractérisé en ce que
    chaque dispositif de coupe est réalisé selon l'une quelconque des revendications 20 à 26.
  29. Dispositif de coupe pour découper une bande de matériau (10) en déplacement pour un dispositif selon l'une quelconque des revendications 19 à 28.
EP99114472A 1998-10-22 1999-07-23 Méthode et dispositif pour couper une bande en déplacement Expired - Lifetime EP0997417B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19848810A DE19848810A1 (de) 1998-10-22 1998-10-22 Verfahren und Vorrichtung zum Durchtrennen einer laufenden Materialbahn
DE19848810 1998-10-22

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EP0997417B1 true EP0997417B1 (fr) 2003-10-15

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DE102008000475A1 (de) 2008-02-29 2009-09-03 Voith Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
EP2100838A2 (fr) 2008-03-14 2009-09-16 Voith Patent GmbH Procédé d'enroulement d'une bande de matériau déroulante et machine d'enroulement destinée à l'exécution du procédé
DE102008000671A1 (de) 2008-03-14 2009-09-17 Voith Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
US11279582B2 (en) 2016-10-17 2022-03-22 Paprima Industries Inc. Process for turning up in a paper machine and paper manufacture

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DE19913219A1 (de) 1999-03-24 2000-09-28 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum Aufführen einer Materialbahn auf einen Tambour
DE10137252A1 (de) 2001-07-31 2003-02-13 Voith Paper Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
DE10159360A1 (de) * 2001-12-04 2003-06-12 Voith Paper Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
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DE10161073A1 (de) * 2001-12-12 2003-06-18 Voith Paper Patent Gmbh Verfahren zum Überführen einer laufenden Materialbahn auf einen Wickelkern sowie Vorrichtung zur Durchführung des Verfahrens
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DE10342213A1 (de) * 2003-09-12 2005-04-07 Voith Paper Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
DE10343424A1 (de) * 2003-09-19 2005-04-14 Voith Paper Patent Gmbh Wickelmaschine und Verfahren zum Heraustrennen eines Querstreifens aus einer Materialbahn in einer Wickelmaschine
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US8628641B2 (en) 2012-01-30 2014-01-14 Paprima Industries Inc. Web turn-up cutting apparatus and method
DE102015112561A1 (de) * 2015-07-30 2017-02-02 Weber Maschinenbau Gmbh Breidenbach Aufschneidevorrichtung

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Publication number Priority date Publication date Assignee Title
DE102008000475A1 (de) 2008-02-29 2009-09-03 Voith Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
EP2100838A2 (fr) 2008-03-14 2009-09-16 Voith Patent GmbH Procédé d'enroulement d'une bande de matériau déroulante et machine d'enroulement destinée à l'exécution du procédé
DE102008000673A1 (de) 2008-03-14 2009-09-17 Voith Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
DE102008000671A1 (de) 2008-03-14 2009-09-17 Voith Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens
US11279582B2 (en) 2016-10-17 2022-03-22 Paprima Industries Inc. Process for turning up in a paper machine and paper manufacture

Also Published As

Publication number Publication date
DE59907360D1 (de) 2003-11-20
ATE252045T1 (de) 2003-11-15
EP0997417A1 (fr) 2000-05-03
DE19848810A1 (de) 2000-04-27

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