EP2113479B1 - Procédé de transfert d'une bande de matériau déroulante et machine d'enroulement destinée à l'exécution du procédé - Google Patents

Procédé de transfert d'une bande de matériau déroulante et machine d'enroulement destinée à l'exécution du procédé Download PDF

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Publication number
EP2113479B1
EP2113479B1 EP09158553A EP09158553A EP2113479B1 EP 2113479 B1 EP2113479 B1 EP 2113479B1 EP 09158553 A EP09158553 A EP 09158553A EP 09158553 A EP09158553 A EP 09158553A EP 2113479 B1 EP2113479 B1 EP 2113479B1
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EP
European Patent Office
Prior art keywords
material web
new
recess
winding
adhesive medium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP09158553A
Other languages
German (de)
English (en)
Other versions
EP2113479A2 (fr
EP2113479A3 (fr
Inventor
Zygmunt Madrzak
Malte 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 Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP2113479A2 publication Critical patent/EP2113479A2/fr
Publication of EP2113479A3 publication Critical patent/EP2113479A3/fr
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Publication of EP2113479B1 publication Critical patent/EP2113479B1/fr
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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
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B65H19/286—Attaching the leading end of the web to the replacement web-roll core or spindle by applying adhesive to 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
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4143—Performing winding process
    • B65H2301/41432—Performing winding process special features of winding process
    • B65H2301/414327—Performing winding process special features of winding process winding on core irregular inner or outer longitudinal profile, e.g. stepped or grooved
    • 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
    • B65H2301/51512—Cutting handled material transversally to feeding direction using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the handled material
    • 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/16—Irregularities, e.g. protuberances

Definitions

  • the invention relates to a method for transferring a running material web, in particular a fibrous web, to a new winding core, wherein the material web is preferably guided over a peripheral region of a preferably displaceable and with a wound roll to be wound forming a winding drum and then wound onto a winding core to be produced wound roll is, preferably immediately before reaching a predetermined roll diameter in the looped by the web circumference of the carrier drum to samebige with formation of a new winding nip is brought and the web after formation of the new winding nip between the new hub and the carrier drum by means of at least one Separating device severed and an adhesive medium between the layers of the material web is introduced by means of at least one applicator.
  • the invention relates to a winding machine according to the preamble of independent claim 9, which is particularly suitable for carrying out the method according to the invention, and a winding core according to the preamble of independent claim 15, which is particularly suitable for carrying out the method according to the invention.
  • Such transfer methods and winding machines are used for example in paper or board making, the finished and running paper or board web without interrupting the manufacturing process, that is, without switching off the paper or board machine, successively to several hubs, which are also referred to as empty reels to bobbins wind. Also, they can serve to wrap an already wound wound roll.
  • the adhesive is placed directly in front of the winding nip between the carrier drum and the wound roll to be produced on the surface of the wound roll to be produced.
  • an adhesive applying part is attached to a collection device, in particular a so-called gooseneck. If, in this embodiment, an unexpected material web break occurs, then the adhesive can reach the surface of the carrier drum, whereby it then becomes in is disadvantageously contaminated. The elimination of this contamination will usually bring a usually long-lasting production loss with it.
  • a method for transferring a moving material web according to the preamble of claim 1 is known.
  • a winding machine according to the preamble of claim 9 and a winding core according to the preamble of claim 15 are also known.
  • the material web is separated by a single parting line and during the separation of the material web, an adhesive is applied to the material web, by means of which the material web is connected to a new winding core.
  • the adhesive is applied to the material web in an area at least partially sweeping over the parting line.
  • the applied adhesive can in this case cause a final layer bonding of the last material web layers on the wound roll produced, this Endlagenverklebung due to the successful passage of the adhesive through the new winding nip formed by the new winding core and the winding drum probably no large and thus sufficiently process-safe bonding will effect. Consequently, the last material web layers, at least during braking of the produced winding roll can loosen again and thereby possibly cause a disturbing shred flight.
  • winding core of the type mentioned should also be developed so that it is particularly suitable for carrying out the method according to the invention.
  • This object is achieved in a method of the type mentioned according to the invention that the adhesive medium in the direction of the web in front of the new, formed between the new hub and the carrier drum winding nip on the upper side and at least one strip on the web by means of at least one application device is applied so that it passes through the new winding nip in a region in which the new winding core is provided with at least one radially arranged on the circumference recess, wherein the at least one recess provided in such a way is that the adhesive applied to the web adhesive medium passes through the new winding nip untouched.
  • the combination of the characterizing features ie the top-side application of at least one strip of adhesive medium on the material web and the provision of at least one circumferentially radially arranged recess on the new winding core, creates the possibility that the adhesive medium applied to the material web passes through the new winding nip untouched.
  • adhesive medium can contribute quasi-loss-free to an effective final bonding of the last layers of wound on the wound roll produced material web.
  • strip here defines only a maximum area or a shape of the applied adhesive medium;
  • the adhesive medium can also be applied as a "bead" known to the person skilled in the art.
  • the adhesive medium is applied to the material web in front of the peripheral region of the carrier drum which is looped around by the material web. Because this can be completely avoided that adhesive medium can reach the surface of the carrier drum, either because of an unexpected material web break or due to a wrong control of the applicator.
  • the adhesive medium generally achieves adhesion, the adhesive forces on the Contact surfaces of two different or the same substances by molecular forces comprises.
  • the substances may be in solid or liquid state.
  • adhesion of adhesive layers to the adherend surfaces is understood to be adhesion.
  • the processes of adhesion are not fully understood. They are particularly difficult because the dependencies between the adhesive systems and the various adherend surfaces are very complex.
  • the adhesive medium may be water, a preferably water-soluble liquid adhesive, in particular starch, a two-component adhesive, a hotmelt adhesive or an adhesive that can be activated by means of UV radiation, for example.
  • the adhesive medium may also be a preferably water-soluble adhesive tape, in particular a ready-made adhesive strip or a die-cut adhesive tape roundel.
  • the adhesive medium is applied to the material web in at least two, preferably several and preferably uniformly distributed, in particular symmetrically arranged to the middle of the web.
  • the adhesive medium is described as at least one strip having a strip width in the range from 1 to 50 mm, preferably from 1 to 30 mm, in particular from 1 to 5 mm, applied to the material web. Moreover, a cut-out width required for this strip width does not yet produce any "punch through” and thus no core broke in the first layers of the material web wound onto the new winding core.
  • the maximum permissible, yes harmless recess width depends in a manner known to those skilled in the material web type, the Core diameter and the winding roll diameter from.
  • the adhesive medium can be applied in strip form to the material web in different time ranges and durations and at different application locations. Thus, it is preferably applied to the material web at least during and / or in the region of the severance of the material web as at least one strip. If, for example, the adhesive medium is applied substantially the same time before the material web has been cut through, an end sheet bonding of the material web to the wound roll to be produced is produced over a plurality of layers. Moreover, by precise definition of the time ranges and durations, on the one hand, and of the application location, on the other hand, optimal end sheet bonding and reliable transfer of the material web to the new winding core can be achieved due to the temporary use of the adhesive medium.
  • the position of the at least one recess attached to the new winding core is determined by means of a device in a first step prior to the application of the adhesive medium.
  • the adhesive medium is then applied to the material web as at least one strip in the region of the at least one identified cutout and attached to the new winding core.
  • the position of the at least one recess attached to the new winding core is preferably determined by means of at least one optical, capacitive or inductive sensor, since these types of sensors have already proven their worth in similar applications in the area of a winding machine.
  • the corresponding sensor is of course connected to an evaluation unit, which in turn is connected to the control unit for the winding machine.
  • the control unit for the winding machine can in turn optionally be connected to a higher-level system, such as a process control system for the machine for producing the fibrous web.
  • the wound roll to be produced is moved away from the carrier drum upon dissolution of the winding nip and upon formation of a free draw in the material web.
  • the new winding core along a larger peripheral region is brought to the carrier drum in forming the new winding nip.
  • the potentially necessary use of an expensive air squeegee roller could be disadvantageous.
  • the material web is severed by means of the at least one separating device arranged in the region or after the application position of the adhesive medium, preferably a cross-cutting device, in particular a water-jet cross-cutting device.
  • a separator generally provides good to very good release properties, such as separation speed, release quality, and the like.
  • different separating contours can be realized: a dividing line across the width of the web, two dividing lines preferably crossing in the middle region of the material web and extending to the opposite web edge or two spaced apart from each other in the middle region of the material web and extending to the same web edge dividing lines.
  • the at least one application device for the adhesive medium is provided such that it is the adhesive medium in the direction of the web before the new, between the new winding core and the carrier drum formed winding nip on the upper side and as at least one strip applied to the web, so that it passes through the new winding nip in a region in which the new winding core is provided with at least one radially arranged recess on the circumference, wherein the at least one Recess is provided such that the adhesive applied to the web adhesive medium passes through the new winding gap untouched.
  • strip here defines only a maximum area or a shape of the applied adhesive medium;
  • the adhesive medium can also be applied as a "bead” known to the person skilled in the art.
  • the new winding core has, according to the applied strips of adhesive medium, at least two recesses, preferably several and preferably uniformly distributed recesses, in particular symmetrically arranged in relation to the center of the material web.
  • the at least one recess attached to the new winding core may have a recess width in the range of 1 to 50 mm, preferably 1 to 30 mm, especially 1 to 5 mm. Moreover, such a recess width does not yet produce any "crushing" and thus no core scrap in the first layers of the material web wound onto the new winding core.
  • the maximum permissible, yes harmless recess width depends in a manner known to those skilled on the material web type, the winding core diameter and the winding roll diameter.
  • the at least one recess attached to the new winding core and having a recess base has a recess depth in the range from 0.1 to 10 mm, preferably from 0.1 to 7 mm, in particular from 0.1 to 5 mm
  • the recess base is preferably provided with a coating, in particular a silicone or Teflon coating. With such a coating a possible, but undesirable adhesion to the new hub is avoided.
  • the recess depth should be such that the local application of the adhesive medium finds enough "ground clearance". With regard to the cost of the new hub will be anxious to get along without a coating of the recess.
  • a coated recess base significantly reduces the required recess depth.
  • the recess in the winding core can also be completely filled with the described coating, so that ultimately no recess is present.
  • At least one device for determining the position of the at least one recess attached to the new winding core is preferably provided in the region of the new winding core forming a new winding gap with the carrying drum.
  • the at least one application device for the adhesive medium is then preferably positionable by means of at least one device such that the adhesive medium is applied to the material web as at least one strip in the region of the at least one identified and attached to the new winding core recess.
  • the device for determining the position of the at least one of the new Reel-mounted recess preferably comprises at least one optical, capacitive or inductive sensor, since these types of sensors have already proven themselves in similar applications in the field of a winding machine.
  • the corresponding sensor is of course connected to an evaluation unit, which in turn is connected to the control unit for the winding machine.
  • the control unit for the winding machine can in turn optionally be connected to a higher-level system, such as a process control system for the machine for producing the fibrous web.
  • the object of the invention is achieved according to the invention in a winding core of the type mentioned that the base body is provided with at least one radially arranged recess having a recess width in the range of 1 to 50 mm, preferably from 1 to 30 mm, in particular of 1 to 5 mm, and a recess depth in the range of 0.1 to 10 mm, preferably from 0.1 to 7 mm, in particular from 0.1 to 5 mm.
  • This winding core according to the invention is outstandingly suitable for carrying out the method according to the invention, so that ultimately the advantages of the invention already mentioned result.
  • the recess base is provided with a coating, in particular a silicone or Teflon coating.
  • a coating in particular a silicone or Teflon coating.
  • the recess in the winding core can also be completely filled with the described coating, so that ultimately no recess is present.
  • FIG. 1 shown in a schematic side view winding machine 1 is used to wind a moving web 2, wherein the web 2 is successively wound on a plurality of hubs 4, 5 to bobbins 3.
  • the material web 2 may in particular be a fibrous web, such as a paper, board or tissue web, which has a running direction R (arrow).
  • the winding machine 1 comprises a carrier drum 6, also referred to as a pressure drum or support roller, which is either rigidly mounted or displaceable along an imaginary straight line G shown in dashed lines by means of a pressing device, not shown (double arrow 7) and driven by a drive.
  • the carrier drum 6 may have a closed, rubberized, grooved and / or drilled surface in a known manner.
  • the various types of storage and movement for the carrier drum 6 are in particular in the German patent application DE 198 07 897 A1 disclosed; its content is hereby made the subject of this description.
  • the material web 2 is brought out either from a calender not shown here or from a likewise not shown here dryer section of a paper or board machine. It then wraps around first a roller 8, for example, a spreader roll or a paper guide roller, then runs on the lateral surface 9 of the carrier drum 6 and wraps around this lateral surface 9 by a certain angle ("peripheral region" 10) until it is detached by the wound roll to be formed. 3 In this case, the material web 2, as indicated by dashed lines, accrue in various geometries on the lateral surface 9 of the carrier drum 6.
  • the detachment of the material web 2 from the carrier drum 6 and the transfer to the wound reel 3 to be formed takes place in the so-called winding nip 11, which forms during the main winding phase between the carrier drum 6 and the wound reel 3 to be formed.
  • the winding roll 3 to be formed is guided by means of a lifting or pressing device ("secondary drive”), not shown, a movable transport device ("secondary carriage”) in the direction indicated by the arrow 12 direction of movement.
  • the lifting or pressing device can be, for example, at least one spindle drive, which comprises a threaded spindle driven by a motor unit, or at least one actuator in the form of a linear drive or hydraulic cylinder.
  • the transport device serves to hold and guide the winding core 4 resting on the rails ("guide track") 13 of the winding roller 3 to be formed.
  • a device for regulating the resulting in the winding nip 11 line force L during the main winding phase is, for example, in the already mentioned German patent application DE 198 07 897 A1 disclosed.
  • FIG. 2 shows a schematic side view of the winding machine 1 for winding the moving web 2 during Endwickelphase.
  • the new and preferably pre-accelerated winding core 5 has already been brought into the circumferential region 10 of the carrier drum 6 looped around by the material web 2 to the same with the formation of a new winding nip ("nip") 14.
  • nip winding nip
  • This Bring can be done for example by a so-called, but not shown primary arm. Furthermore, this Bring, for example, take place immediately before reaching a predetermined roll diameter D.
  • an adhesive medium 16 between the layers of wound on the winding roll 3 material web 2 by means of a Application device 15 introduced.
  • the application device 15 is arranged between the roller 8, for example a spreader roller or a paper guide roller, and the casserole line A, on which the material web 2 runs onto the lateral surface 9 of the carrier drum 6. But it can also, as shown in dashed lines, be arranged between the casserole A and the new winding nip 14.
  • the applicator 15 for the adhesive medium 16 is provided such that it the adhesive medium 16 in the direction R (arrow) of the web 2 before the new, formed between the new hub 5 and the carrier drum 2 winding nip 14 on the upper side and at least one strip 17 applies to the web 2.
  • the adhesive medium 16 applied as at least one strip 17 then passes through the new winding gap 14 in a region in which the new winding core 5 has at least one recess 18 arranged radially on the circumference 19 (cf. FIGS. 3 and 4 ), wherein the at least one recess 18 is provided such that the applied to the material web 2 adhesive medium 16 passes through the new winding nip 14 untouched.
  • the adhesive medium 16 may also be in at least two, preferably more and preferably evenly distributed, in particular to the center of the web 2 (see. FIG. 3 ) symmetrically arranged strip 17 are applied to the web 2.
  • the number of corresponding recesses 18 in the new winding core 5 is at least equal to or greater than the number of strips 17 applied.
  • the adhesive medium 16 may comprise water, a preferably water-soluble liquid adhesive, in particular starch, a two-component adhesive or a UV adhesive, for example. Be radiation activatable adhesive.
  • the adhesive medium may also be a preferably water-soluble adhesive tape, in particular a ready-made adhesive strip or a die-cut adhesive tape roundel.
  • the application device 15 then has at least one application nozzle 15.1, whereas in the second case it has at least one adhesive tape dispenser.
  • a optional pressure roller 20 for pressing the last layers of the wound on the produced winding roll 3 material web 2 is provided.
  • the pressure roller 20 has an elastic coating and it can be controlled / regulated pressed against the winding roller 3.
  • the material web 2 is then severed by means of at least one separating device 21 which is merely indicated.
  • the separating device 21 may comprise, for example, a cross-cutting device known to the person skilled in the art, in particular a water-jet cross-cutting device. Furthermore, the separating device 21 is arranged in front of, in the area or after the application device 15 for the adhesive medium 16.
  • the new winding core 5 with the already wound thereon material web 2 ("Anwickelphase") is then placed by the holding device, not shown, while maintaining the new winding nip 14 on the rails 13 and transferred to the already described "main winding phase”.
  • FIG. 3 now shows a part of in the FIG. 2 seen and inventive winding machine 1 seen in the direction of the arrow "Y".
  • the material web 2 runs along its running direction R (arrow) over a roller 8, for example a spreader roller or a paper guide roller, before it then runs on the casserole line A onto the lateral surface 9 of the carrier drum 6. After that it wraps around the lateral surface 9 of the carrier drum 6 by a certain angle ("peripheral region” 10) and passes through the new formed between the carrier drum 6 and the new hub 5 and dashed winding gap 14.
  • the detachment of the web 2 of the carrier drum 6 and the Conversion to the wound roll to be formed and not shown takes place in the so-called winding nip ("nip"), which forms during the "main winding phase" between the carrier drum 6 and the wound roll to be formed (see FIG. FIG. 1 ).
  • the new winding core 5 for winding the moving material web 2 comprises a main body 26, each having a mounted on its two end faces 27, 28 bearing pin 29, 30, and a web-contacted peripheral surface 31st
  • an application device 15 having three applicator nozzles 15.1 is provided, which applies the adhesive medium 16 to the material web 2 as three strips 17, which are only shown in sections.
  • the adhesive medium 16 applied as three strips 17 then passes through the new winding gap 14 in a region in which the new winding core 5 is provided with three or more recesses 18 radially arranged on the circumference 19, the respective recess 18 being provided such that the applied as a corresponding strip 17 with a strip width B.17 on the web 2 adhesive medium 16 passes through the new winding nip 14 untouched.
  • the strips 17 on adhesive medium 16 and arranged on the new hub 5 recesses 18 are thus aligned with each other. In the present case, they are also arranged symmetrically to the center M of the web 2.
  • the separation device known to the person skilled in the art for example a cross-cutting device, in particular a water-jet cross-cutting device, is shown in the drawing FIG. 3 not shown.
  • a new winding nip 14 forming winding core 5 is a merely indicated means 23 for determining the position of the at least one attached to the new winding core 5 recess 18 is provided. Since a plurality of recesses 18 usually have mutually equal distances, the determination of the position of a recess 18, for example, the edge-most recess is sufficient. Of course, a separate means 23 for determining their position can be provided for each recess 18.
  • the device 23 for determining the position of the at least one recess 18 attached to the new winding core 5 comprises at least one optical, capacitive or inductive and merely indicated sensor 24.
  • the sensor 24 is of course connected to an evaluation unit in the device 23 (arrow illustration) in turn connected to the control unit for the winding machine.
  • the control unit for the winding machine can in turn optionally be connected to a higher-level system, such as a process control system for the machine for producing the fibrous web.
  • the applicator 15 for the adhesive medium 16 by means of only indicated means 25 can be positioned (double arrows) that the adhesive medium 16 as at least one strip 17 in the region of at least one determined and on the new hub 5 attached recess 18 is applied to the web 2.
  • FIG. 4 shows a schematic detail view "Z" in the FIG. 3 It can be clearly seen that the new winding core 5 with the carrier drum 6 forms a new winding nip 14, through which the material web 2 is guided.
  • the only partially illustrated new winding core 5 for winding the moving material web 2 comprises a base body 26, each having a mounted on its two end faces 27, 28 bearing pin 29, 30, and a web-contacted peripheral surface 31 (see. FIG. 3 ).
  • the main body 26 is arranged with at least one radially on the circumference 19 Recess 18 provided a recess width B.18 in the range of 1 to 50 mm, preferably from 1 to 30 mm, in particular from 1 to 5 mm, and a recess depth T.18 in the range of 0.1 to 10 mm, preferably from 0.1 to 7 mm, in particular from 0.1 to 5 mm.
  • the surfaces of the recess 18 can merge smoothly at their edges, for example by the attachment of curves or radii.
  • the recess base 32 may be provided with a coating, in particular a silicone or Teflon coating.
  • the recess 18 is provided such that the applied to the web 2 as a strip 17 with a strip width B.17 and a strip height H.17 adhesive medium 16 passes through the new winding nip 14 untouched.
  • the strip width B.17 is in a range from 1 to 50 mm, preferably from 1 to 30 mm, in particular from 1 to 5 mm.
  • And arranged on the new hub 5 recesses 18 are usually arranged symmetrically to the center M of the web 2 (see. FIG. 3 ).
  • Winding machine 1 shown is particularly suitable for carrying out the method according to the invention for transferring a running material web 2, in particular a fibrous web, to a new winding core 5, wherein the material web 2 preferably over a peripheral region 10 of a preferably displaceable and with a wound roll 6 to be produced a winding nip 11 carrying the carrier drum 6 is guided and then wound on a winding core 4 to be produced winding roll 6, wherein the new winding core 5 preferably immediately before reaching a predetermined roll diameter D in the looped by the web 2 peripheral region 10 of the carrier drum 6 to samebige in training a new Winding nips 14 is brought and wherein the web 2 after formation of the new winding nip 14 between the new hub 5 and the carrier drum 6 is severed by means of at least one separator 21 and an adhesive medium 16th is introduced between the layers of the material web 2 by means of at least one applicator 15.
  • the adhesive medium 16 is applied in the direction R of the web 2 before the new, formed between the new winding core 5 and the carrier drum 6 winding nip 14 on the upper side and at least one strip 17 on the web 2 by means of at least one applicator 15 such that it passes through the new winding nip 14 in a region in which the new winding core 5 is provided with at least one radially arranged recess 18 on the circumference 19, wherein the at least one recess 18 is provided such that the adhesive medium applied to the web 2 16th the new winding nip 14 passes through untouched.

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  • Replacement Of Web Rolls (AREA)

Claims (15)

  1. Procédé de transfert d'une bande de matériau en mouvement (2), en particulier d'une bande fibreuse, sur un nouveau mandrin d'enroulement (5), la bande de matériau (2) étant guidée de préférence sur une région périphérique (10) d'un tambour porteur (6) de préférence déplaçable et formant une fente d'enroulement (11) avec une bobine (3) à constituer, et étant ensuite enroulée sur un mandrin d'enroulement (4) pour produire la bobine (3) à constituer, le nouveau mandrin d'enroulement (5) étant de préférence amené directement avant d'atteindre un diamètre de bobine prédéterminé (D) dans la région périphérique (10) du tambour porteur (6) entourée par la bande de matériau (2) contre ce tambour porteur en créant une nouvelle fente d'enroulement (14), et la bande de matériau (2), après la création de la nouvelle fente d'enroulement (14), étant sectionnée entre le nouveau mandrin d'enroulement (5) et le tambour porteur (6) au moyen d'au moins un dispositif de sectionnement (21) et un milieu adhésif (16) étant introduit entre les couches de la bande de matériau (2) au moyen d'au moins un dispositif d'enduction (15),
    caractérisé en ce que
    le milieu adhésif (16) est appliqué dans la direction d'avance (R) de la bande de matériau (2) avant la nouvelle fente d'enroulement (14) réalisée entre le nouveau mandrin d'enroulement (5) et le tambour porteur (6), du côté supérieur, et sous forme d'au moins un ruban (17) sur la bande de matériau (2) au moyen de l'au moins un dispositif d'enduction (15), de telle sorte qu'il traverse la nouvelle fente d'enroulement (14) dans une région dans laquelle le nouveau mandrin d'enroulement (5) est pourvu d'au moins un évidement (18) disposé radialement sur la périphérie (19), l'au moins un évidement (18) étant prévu de telle sorte que le milieu adhésif (16) appliqué sur la bande de matériau (2) traverse sans contact la nouvelle fente d'enroulement (14).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le milieu adhésif (16) est appliqué sur la bande de matériau (2) en au moins deux, de préférence plusieurs rubans (17) de préférence répartis uniformément, disposés notamment symétriquement par rapport au milieu (M) de la bande de matériau (2).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    le milieu adhésif (16) est appliqué sur la bande de matériau (2) sous forme d'au moins un ruban (17) avec une largeur de ruban (B.17) de l'ordre de 2 à 50 mm, de préférence de 5 à 40 mm, en particulier de 10 à 25 mm.
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le milieu adhésif (16) est appliqué sur la bande de matériau (2) au moins pendant et/ou dans la région du sectionnement de la bande de matériau (2) sous forme d'au moins un ruban (17).
  5. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'avant l'application du milieu adhésif (16), la position de l'au moins un évidement (18) pratiqué sur le nouveau mandrin d'enroulement (5) est détectée au moyen d'un dispositif (23) et
    en ce que le milieu adhésif (16) est appliqué sur la bande de matériau (2) sous la forme d'au moins un ruban (17) dans la région de l'au moins un évidement (18) détecté et réalisé sur le nouveau mandrin d'enroulement (5).
  6. Procédé selon la revendication 5,
    caractérisé en ce que
    la position de l'au moins un évidement (18) pratiqué sur le nouveau mandrin d'enroulement (5) est détectée au moyen d'au moins un capteur (24) optique, capacitif ou inductif.
  7. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'avant la réalisation de la nouvelle fente d'enroulement (14) entre le nouveau mandrin d'enroulement (5) et le tambour porteur (6), la bobine (3) à constituer est écartée du tambour porteur (6) en éliminant la fente d'enroulement (11) et en réalisant une traction libre dans la bande de matériau (2).
  8. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la bande de matériau (2) est sectionnée au moyen de l'au moins un dispositif de sectionnement (21) disposé avant, dans la région de, ou après la position d'enduction du milieu adhésif (16), de préférence au moyen d'un dispositif de sectionnement transversal, en particulier d'un dispositif de sectionnement transversal à jet d'eau.
  9. Machine d'enroulement (1) pour le transfert d'une bande de matériau en mouvement (2), en particulier d'une bande fibreuse, sur un nouveau mandrin d'enroulement (5), la bande de matériau (2) étant de préférence guidée sur une région périphérique (10) d'un tambour porteur (6) de préférence déplaçable et formant avec une bobine (3) à constituer une fente d'enroulement (11), et pouvant être enroulée ensuite sur un mandrin d'enroulement (4) pour produire la bobine (3) à constituer, le nouveau mandrin d'enroulement (5) pouvant de préférence être amené directement avant d'atteindre un diamètre de bobine prédéterminé (D) dans la région périphérique (10) du tambour porteur (6) entourée par la bande de matériau (2) contre ce tambour porteur en créant une nouvelle fente d'enroulement (14), et la bande de matériau (2), après la création de la nouvelle fente d'enroulement (14), pouvant être sectionnée entre le nouveau mandrin d'enroulement (5) et le tambour porteur (6) au moyen d'au moins un dispositif de sectionnement (21) et un milieu adhésif (16) pouvant être introduit entre les couches de la bande de matériau (2) au moyen d'au moins un dispositif d'enduction (15), en particulier pour mettre en oeuvre un procédé selon au moins l'une quelconque des revendications 1 à 8,
    caractérisée en ce que
    l'au moins un dispositif d'enduction (15) pour le milieu adhésif (16) est prévu de telle sorte qu'il applique le milieu adhésif (16) dans la direction d'avance (R) de la bande de matériau (2) avant la nouvelle fente d'enroulement (14) réalisée entre le nouveau mandrin d'enroulement (5) et le tambour porteur (6), du côté supérieur, et sous forme d'au moins un ruban (17) sur la bande de matériau (2), de telle sorte qu'il traverse la nouvelle fente d'enroulement (14) dans une région dans laquelle le nouveau mandrin d'enroulement (5) est pourvu d'au moins un évidement (18) disposé radialement sur la périphérie (19), l'au moins un évidement (18) étant prévu de telle sorte que le milieu adhésif (16) appliqué sur la bande de matériau (2) traverse sans contact la nouvelle fente d'enroulement (14).
  10. Machine d'enroulement (1) selon la revendication 9,
    caractérisée en ce que
    le nouveau mandrin d'enroulement (5) présente au moins deux, de préférence plusieurs évidements (18) de préférence répartis uniformément, disposés notamment symétriquement par rapport au milieu (M) de la bande de matériau (2).
  11. Machine d'enroulement (1) selon la revendication 9 ou 10,
    caractérisée en ce que
    l'au moins un évidement (18) pratiqué sur le nouveau mandrin d'enroulement (5) présente une largeur d'évidement (B.18) dans la plage de 2 à 50 mm, de préférence de 5 à 40 mm, en particulier de 10 à 25 mm.
  12. Machine d'enroulement (1) selon l'une quelconque des revendications 9 à 11,
    caractérisée en ce que
    l'au moins un évidement (18) pratiqué sur le nouveau mandrin d'enroulement (5) et présentant une base d'évidement (32) présente une profondeur d'évidement (T.18) de l'ordre de 0,1 à 10 mm, de préférence de 0,1 à 7 mm, en particulier de 0,1 à 5 mm, la base d'évidement (32) étant pourvue de préférence d'un revêtement, notamment d'un revêtement de silicone ou de téflon.
  13. Machine d'enroulement (1) selon l'une quelconque des revendications 9 à 12,
    caractérisée en ce que
    de préférence dans la région du nouveau mandrin d'enroulement (5) formant avec le tambour porteur (6) une nouvelle fente d'enroulement (14), est prévu au moins un dispositif (23) pour détecter la position de l'au moins un évidement (18) pratiqué sur le nouveau mandrin d'enroulement (5), et
    en ce que l'au moins un dispositif d'enduction (15) pour le milieu adhésif (16) peut être positionné au moyen d'au moins un dispositif (25) de telle sorte que le milieu adhésif (16) soit appliqué sur la bande de matériau (2) sous forme d'au moins un ruban (17) dans la région de l'au moins un évidement (18) détecté et pratiqué sur le nouveau mandrin d'enroulement (5).
  14. Machine d'enroulement (1) selon la revendication 13,
    caractérisée en ce que
    le dispositif (23) pour détecter la position de l'au moins un évidement (18) pratiqué sur le nouveau mandrin d'enroulement (5) comprend au moins un capteur (24) optique, capacitif ou inductif.
  15. Mandrin d'enroulement (5) pour enrouler une bande de matériau en mouvement (2), en particulier une bande fibreuse, comprenant un corps de base (26) qui présente à chaque fois un tourillon (29, 30) monté sur ses deux côtés frontaux (27, 28), et comprenant une surface périphérique (31) en contact avec la bande, pour mettre en oeuvre un procédé selon au moins l'une quelconque des revendications 1 à 8,
    caractérisé en ce que
    le corps de base (26) est pourvu d'au moins un évidement (18) pratiqué radialement sur la périphérie (19), lequel évidement présente une largeur d'évidement (B.18) de l'ordre de 2 à 50 mm, de préférence de 5 à 40 mm, en particulier de 10 à 25 mm, et une profondeur d'évidement (T.18) de l'ordre de 0,1 à 10 mm, de préférence de 0,1 à 7 mm, en particulier de 0,1 à 5 mm.
EP09158553A 2008-04-29 2009-04-23 Procédé de transfert d'une bande de matériau déroulante et machine d'enroulement destinée à l'exécution du procédé Not-in-force EP2113479B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008001456A DE102008001456A1 (de) 2008-04-29 2008-04-29 Verfahren zum Überführen einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens

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Publication Number Publication Date
EP2113479A2 EP2113479A2 (fr) 2009-11-04
EP2113479A3 EP2113479A3 (fr) 2010-01-27
EP2113479B1 true EP2113479B1 (fr) 2012-08-01

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ITMI20111811A1 (it) * 2011-10-06 2012-01-05 Antonello Somma Dispositivo per il taglio carta e l'applicazione di colla su lembi di nastri cart da attaccare alle anime di avvolgimento di macchine avvolgitrici
CN105492353B (zh) * 2013-09-09 2017-03-29 维美德瑞典公司 用于将纸幅卷绕成卷并用于开始新卷的卷纸装置和方法

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US2052541A (en) * 1933-12-12 1936-08-25 Niagara County Nat Bank & Trus Core for paper rolls
GB2045210A (en) * 1979-03-09 1980-10-29 Ciba Geigy Ag Removable core for reeled web material
DE19807897A1 (de) 1998-02-25 1999-08-26 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum kontinuierlichen Aufwickeln einer Materialbahn
FI109989B (fi) 1999-11-25 2002-11-15 Metso Paper Inc Menetelmä ja laite rullanvaihdossa
DE10309049A1 (de) 2003-03-01 2004-09-09 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum Überführen einer Materialbahn
EP1660399B1 (fr) * 2003-08-26 2008-02-27 Metso Paper, Inc. Buse, dispositif et procede d'application d'un agent adhesif sur une bande de papier, procede d'amelioration de la fonction d'utilisation d'une telle buse
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
DE202004009144U1 (de) 2004-06-09 2004-08-12 Voith Paper Patent Gmbh Wickelmaschine zum Überführen einer laufenden Materialbahn

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EP2113479A3 (fr) 2010-01-27
DE102008001456A1 (de) 2009-11-05

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