EP0997417B1 - Verfahren und Vorrichtung zum Durchtrennen einer laufenden Materialbahn - Google Patents
Verfahren und Vorrichtung zum Durchtrennen einer laufenden Materialbahn Download PDFInfo
- 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
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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)
- Nonmetal Cutting Devices (AREA)
- Details Of Cutting Devices (AREA)
- Control Of Cutting Processes (AREA)
Description
- Fig. 1
- eine Seitenansicht einer Wickelvorrichtung gemäß einer Ausführungsform der Erfindung,
- Fig. 2
- einen Teil der Wickelvorrichtung von Fig. 1 in Richtung des Pfeils II gesehen,
- Fig. 3
- eine Wickelvorrichtung gemäß einer weiteren Ausführungsform der Erfindung,
- Fig. 4
- eine Wickelvorrichtung gemäß einer weiteren Ausführungsform der Erfindung,
- Fig. 5
- einen Teil der Wickelvorrichtung von Fig. 4 in Richtung des Pfeils V gesehen,
- Fig. 6
- eine Wickelvorrichtung gemäß einer weiteren Ausführungsform der Erfindung, und
- Fig. 7
- einen Teil der Wickelvorrichtung von Fig. 6 in Richtung des Pfeils VII gesehen.
- 10
- Materialbahn, Papierbahn
- 10a, 10'a
- neuer Bahnanfang
- 10b
- führende Kante
- 12
- neuer Wickelkern
- 14
- alter Wickelkern
- 16
- Wickelrolle
- 18
- Wickelwalze
- 20, 21
- Spalt
- 24, 24', 24"
- Messer
- 26
- Düse
- 28
- Zylinder-Kolben-Einheit
- 32
- Andrückwalze
- 34
- Betätigungsorgan
- 36, 36', 36"
- Transporteinrichtung
- 38
- Träger
- 40
- Endlosorgan
- 42
- Umlenkrollen
- 44
- Wickelschlitten
- 46, 46'
- Schnittlinien
- A
- Laufrichtung des Messers
- B
- Laufrichtung der Materialbahn bzw. Papierbahn
- C
- Drehrichtung des neuen Wickelkerns
Claims (29)
- Verfahren zum Durchtrennen einer laufenden Materialbahn (10), insbesondere einer Papierbahn, bei dem die Materialbahn nacheinander auf mehrere Wickelkerne (12, 14), insbesondere Tamboure, aufgewickelt und jeweils mit dem Aufwickeln auf einen neuen Wickelkern (12) begonnen wird, wenn eine auf einem vorherigen alten Wickelkern (14) gebildete Wickelrolle (16) einen vorbestimmten Durchmesser erreicht hat, wobeider neue Wickelkern (12) zwischen eine Wickelwalze (18), insbesondere eine Tragwalze, und den alten Wickelkern (14), dem die Materialbahn (10) über die Wickelwalze (18) zugeführt wird, gebracht unddie laufende Materialbahn (10) in dem Bereich zwischen einem Spalt (20), der von der Wickelwalze (18) und dem neuen Wickelkern (12) gebildet wird, und der auf dem alten Wickelkern (14) gebildeten Wickelrolle (16) durchtrennt wird,
- Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Schneidvorrichtung zumindest im wesentlichen senkrecht zur Laufrichtung B der Materialbahn (10) bevorzugt derart bewegt wird, dass eine schräge Schnittlinie (46) erzeugt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Schneidvorrichtung schräg zur Laufrichtung B der Materialbahn (10) bevorzugt mit einer der Laufrichtung B der Materialbahn (10) entgegen gesetzten Parallelkomponente bewegt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Schneidvorrichtung kontinuierlich über die gesamte Breite der Materialbahn (10) hinweg bewegt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Schneidvorrichtung während des Durchtrennens der Materialbahn (10) mit einer bevorzugt zumindest näherungsweise konstanten Geschwindigkeit von vorzugsweise etwa 10 bis 40 m/s bewegt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Schneidvorrichtung vor dem Durchtrennen der Materialbahn (10) beschleunigt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Schneidvorrichtung wenigstens ein Messer (24, 24', 24"), ein rotierendes, bevorzugt gezahntes Schneiderad, einen Laser oder eine Düse (26) zum Ausstoßen eines Wasserstrahls umfasst. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass wenigstens zwei Schneidvorrichtungen in einander entgegen gesetzten Richtungen zumindest näherungsweise senkrecht zur Laufrichtung B der Materialbahn (10) mit bevorzugt zumindest näherungsweise konstanter Geschwindigkeit bewegt werden. - Verfahren nach Anspruch 8,
dadurch gekennzeichnet, dass die Schneidvorrichtungen zum Durchtrennen der Materialbahn (10) bevorzugt an in Laufrichtung B der Materialbahn (10) beabstandeten Stellen der Materialbahn (10) jeweils zumindest näherungsweise mittig bezüglich der Querrichtung angesetzt werden. - Verfahren nach dem Oberbegriff des Anspruchs 1,
dadurch gekennzeichnet, dass die Materialbahn (10) mittels wenigstens zwei Schneidvorrichtungen, die bevorzugt in einer zur Materialbahn (10) etwa parallelen Ebene relativ zur Materialbahn (10) bewegt werden, vollständig durchtrennt wird. - Verfahren nach Anspruch 10,
dadurch gekennzeichnet, dass jede Schneidvorrichtung gemäß einem der Ansprüche 2 bis 9 ausgebildet ist und/oder verwendet wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Materialbahn (10) im Bereich eines freien Laufweges vom neuen Wickelkern (12) zum alten Wickelkern (14) durchtrennt wird. - Verfahren nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, dass die Materialbahn (10) in einem den neuen Wickelkern (12) berührenden Bereich durchtrennt wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass während des Durchtrennens der Materialbahn (10) die Drehachse des neuen Wickelkerns (12) oberhalb einer die Drehachse des alten Wickelkerns (14) enthaltenden horizontalen Ebene liegt. - Verfahren nach einem der Ansprüche 1 bis 13,
dadurch gekennzeichnet, dass während des Durchtrennens der Materialbahn (10) die Drehachse des neuen Wickelkerns (12) im Wesentlichen in einer die Drehachse des alten Wickelkerns (14) enthaltenden horizontalen Ebene liegt. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass nach dem Durchtrennen der Materialbahn (10) der neue Bahnanfang (10a, 10'a) auf den neuen Wickelkern (12) insbesondere durch Blasen, Anfeuchten, Leimen und/oder Vorsehen von Klebestreifen aufgebracht wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Geschwindigkeit der Materialbahn (10) beim Durchtrennen der Materialbahn (10) nicht verringert wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der neue Wickelkern (12) beim Einbringen zwischen die Wickelwalze (18) und den alten Wickelkern (14) in die Materialbahn (10) eingetaucht wird. - Vorrichtung zur Durchführung eines Verfahrens zum Durchtrennen einer laufenden Materialbahn (10) nach einem der vorhergehenden Ansprüche an einer Maschine zur Herstellung und/oder zum Aufwickeln der Materialbahn (10) mitmehreren Wickelkernen (12, 14), insbesondere Tambouren, auf welche die Materialbahn (10) nacheinander aufwickelbar ist,einer Wickelwalze (18), insbesondere einer Tragwalze, wobei ein neuer Wickelkern (12), auf den die Materialbahn (10) aufzuwickeln ist, zwischen die Wickelwalze (18) und einen alten Wickelkern (14) bringbar ist, auf den die Materialbahn (10) aufgewickelt ist, wobeiwenigstens eine Schneidvorrichtung zum Durchtrennen der laufenden Materialbahn (10) vorgesehen ist, die in dem Bereich zwischen einem Spalt (20), der von der Wickelwalze (18) und dem neuen Wickelkern (12) gebildet ist, und der auf dem alten Wickelkern (14) gebildeten Wickelrolle (16) wirksam ist,
- Vorrichtung nach Anspruch 19,
dadurch gekennzeichnet, dass die Schneidvorrichtung über die gesamte Breite der Materialbahn (10) bewegbar ist. - Vorrichtung nach Anspruch 19 oder 20,
dadurch gekennzeichnet, dass eine Transporteinrichtung (36") der Schneidvorrichtung wenigstens eine Zylinder-Kolben-Einheit (28) umfasst, deren Kolben an einem Ende die Schneidvorrichtung trägt. - Vorrichtung nach Anspruch 19 oder 20,
dadurch gekennzeichnet, dass eine Transporteinrichtung (36, 36') der Schneidvorrichtung ein um Umlenkrollen (42) gelegtes, bevorzugt ketten- oder riemenartiges Endlosorgan (40) umfasst, das auf seiner Außenseite die Schneid-vorrichtung trägt. - Vorrichtung nach einem der Ansprüche 19 bis 22,
dadurch gekennzeichnet, dass die Wickelkerne (12, 14) mit einem elastisch verformbaren, insbesondere aus einem verschleißfesten Kunststoff, vorzugsweise aus Polyurethan, hergestellten Bezug versehen sind. - Vorrichtung nach einem der Ansprüche 19 bis 22,
dadurch gekennzeichnet, dass ein Bezug der Wickelkerne (12, 14) jeweils aus Metall und der Bezug der Wickelwalze (18) elastisch verformbar, insbesondere aus einem verschleißfesten Kunststoff, vorzugsweise aus Polyurethan, hergestellt ist. - Vorrichtung nach einem der Ansprüche 19 bis 24,
dadurch gekennzeichnet, dass die Schneidvorrichtung eine auf den neuen Wickelkern (12) gerichtete Düse (26) zum Ausstoßen eines Wasserstrahls umfasst. - Vorrichtung nach einem der Ansprüche 19 bis 25,
dadurch gekennzeichnet, dass wenigstens zwei bevorzugt in Laufrichtung B der Materialbahn (10) beabstandete Schneidvorrichtungen vorgesehen sind, die in einander entgegen gesetzten Richtungen zumindest näherungsweise senkrecht zur Laufrichtung B der Materialbahn (10) bewegbar sind. - Vorrichtung nach Anspruch 19,
dadurch gekennzeichnet, dass wenigstens zwei Schneidvorrichtungen vorgesehen sind, die relativ zur Materialbahn (10) derart bewegbar sind, dass in der Materialbahn (10) durch die Bewegungen der Schneidvorrichtungen einander schneidende Schnittlinien (46') erzeugbar sind, die gemeinsam eine durchgehende, von einem Rand der Materialbahn (10) zu deren gegenüberliegendem Rand verlaufende Schnittlinie bilden. - Vorrichtung nach Anspruch 27,
dadurch gekennzeichnet, dass jede Schneidvorrichtung gemäß einem der Ansprüche 20 bis 26 ausgebildet ist. - Schneidvorrichtung zum Durchtrennen einer laufenden Materialbahn (10) für eine Vorrichtung nach einem der Ansprüche 19 bis 28.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19848810 | 1998-10-22 | ||
DE19848810A DE19848810A1 (de) | 1998-10-22 | 1998-10-22 | Verfahren und Vorrichtung zum Durchtrennen einer laufenden Materialbahn |
Publications (2)
Publication Number | Publication Date |
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EP0997417A1 EP0997417A1 (de) | 2000-05-03 |
EP0997417B1 true EP0997417B1 (de) | 2003-10-15 |
Family
ID=7885350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99114472A Expired - Lifetime EP0997417B1 (de) | 1998-10-22 | 1999-07-23 | Verfahren und Vorrichtung zum Durchtrennen einer laufenden Materialbahn |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0997417B1 (de) |
AT (1) | ATE252045T1 (de) |
DE (2) | DE19848810A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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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 (de) | 2008-03-14 | 2009-09-16 | 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 |
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DE19944704A1 (de) * | 1999-09-17 | 2001-03-22 | Voith Paper Patent Gmbh | Verfahren und Vorrichtung zum Durchtrennen einer laufenden Materialbahn |
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 |
JP4171420B2 (ja) | 2001-12-12 | 2008-10-22 | ボイス ペ−パ− パテント ゲ−エムベ−ハ− | 移動ウェブを巻取りコア上へ移送する方法およびその方法を実施するための装置 |
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 |
DE10338783A1 (de) * | 2003-08-23 | 2005-03-17 | Voith Paper Patent Gmbh | Vorrichtung zum Entfernen eines Streifens eines Wickels von einer Wickeltrommel |
DE10342213A1 (de) * | 2003-09-12 | 2005-04-07 | Voith Paper Patent Gmbh | Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens |
DE10343448A1 (de) * | 2003-09-19 | 2005-04-14 | Voith Paper Patent Gmbh | Verfahren und Vorrichtung zur Vorbereitung eines Wickels einer Materialbahn auf einem Wickeltambour für die Weiterverarbeitung |
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 |
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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DE2752648A1 (de) * | 1977-11-25 | 1979-05-31 | Jagenberg Werke Ag | Vorrichtung zum schneiden einer einfuehrungsspitze an warenbahnen |
DE3125553C2 (de) * | 1981-06-29 | 1986-01-02 | Erwin Kampf Gmbh & Co Maschinenfabrik, 5276 Wiehl | Querschneidvorrichtung |
FI915432A (fi) * | 1991-11-18 | 1993-05-19 | Valmet Paper Machinery Inc | Foerfarande vid rullning av en bana |
DE9305248U1 (de) * | 1993-04-06 | 1993-06-09 | Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf | Maschine zum Quertrennen einer bewegten Werkstoffbahn, insbesondere einer Kunststoffolienbahn |
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-
1998
- 1998-10-22 DE DE19848810A patent/DE19848810A1/de not_active Withdrawn
-
1999
- 1999-07-23 AT AT99114472T patent/ATE252045T1/de active
- 1999-07-23 DE DE59907360T patent/DE59907360D1/de not_active Expired - Lifetime
- 1999-07-23 EP EP99114472A patent/EP0997417B1/de not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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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 (de) | 2008-03-14 | 2009-09-16 | 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 |
DE102008000673A1 (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 (de) | 2000-05-03 |
DE19848810A1 (de) | 2000-04-27 |
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