EP2100838A2 - Procédé d'enroulement d'une bande de matériau déroulante et machine d'enroulement destinée à l'exécution du procédé - Google Patents

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

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Publication number
EP2100838A2
EP2100838A2 EP09154588A EP09154588A EP2100838A2 EP 2100838 A2 EP2100838 A2 EP 2100838A2 EP 09154588 A EP09154588 A EP 09154588A EP 09154588 A EP09154588 A EP 09154588A EP 2100838 A2 EP2100838 A2 EP 2100838A2
Authority
EP
European Patent Office
Prior art keywords
material web
new
winding
web
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.)
Withdrawn
Application number
EP09154588A
Other languages
German (de)
English (en)
Other versions
EP2100838A3 (fr
Inventor
Walter Kaipf
Zygmunt Madrzak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2100838A2 publication Critical patent/EP2100838A2/fr
Publication of EP2100838A3 publication Critical patent/EP2100838A3/fr
Withdrawn legal-status Critical Current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
    • B65H19/26—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
    • 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
    • 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

Definitions

  • the invention relates to a method for winding a moving material web, in particular a fibrous web, in which the material web is wound successively on a plurality of winding cores to winding rollers, wherein the material web is guided over a peripheral region of a preferably displaceable and forming a winding nip winding drum with the winding roll to be formed, wherein prior to the beginning of the transfer of the web, the winding roll to be formed is moved away from the carrier drum at resolution of the winding nip and forming a free train in the web and wherein a new winding core is brought to the carrier drum in forming a new winding nip in such a way that it at least is wrapped in a peripheral region of the web.
  • the invention relates to a winding machine for winding a moving material web, in particular a fibrous web, in which the material web is successively wound on several hubs winding rollers, wherein the material web is guided over a peripheral region of a preferably displaceable and with the wound roll forming a winding nip forming carrier drum wherein, prior to the beginning of the transfer of the web, the winding roll to be formed is movable away from the carrier drum upon dissolution of the winding nip and formation of a free train in the web, and wherein a new winding core can be brought to the carrier drum such that a new winding nip is formed it can be wrapped around the material web at least in a peripheral region.
  • Such Aufwickelvon and winding machines are used for example in the Used paper or board to wrap 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 reels, to winding reels. Also, they can serve to wrap an already wound wound roll.
  • Such a winding method is for example from the European patent EP 1 035 054 B1 known.
  • the material web is cut by means of two separating elements which can be moved generally transversely to the direction of web travel, by positioning the two separating elements in the region of the two web edges to form a strip at a distance from the respective web edge and then at least up to at least when the material web is running the middle of the track.
  • the material web can be cut by means of the two separating elements on the new, still empty tambour.
  • a double-sided adhesive tape may be used to assist in winding the first layers to the new spool.
  • no further comments are made on the use of the double-sided adhesive tape. For example, it is completely unclear where and how the double-sided adhesive tape is inserted.
  • a first disadvantage of this winding method is that the material web is not completely severed.
  • the complete transection of the partially cut material web has to be done with an independent and uncontrolled tearing of the material web in its two edge regions.
  • this cracking may be associated with some difficulties, especially at higher grammages, ie higher basis weights, which have a detrimental effect on both process reliability and runnability of the take-up process.
  • the web is successively wound on a plurality of hubs and each started with the winding on a new hub when a winding roll formed on the previous old hub has reached a predetermined diameter.
  • the new winding core between a winding roller and the old winding core to which the material web is fed via the winding roller, brought.
  • the web is then severed in the area between a nip formed by the winding roll and the new winding core and the winding roll formed on the old winding core.
  • the material web is severed in a region touching the new winding core.
  • the new beginning of the material web can be applied to the new winding core, in particular by blowing, wetting, gluing and / or providing adhesive strips.
  • the new beginning of the material web can be applied to the new winding core, in particular by blowing, wetting, gluing and / or providing adhesive strips.
  • an adhesive label with double-sided adhesive surfaces is fed to a point of contact on the spool which lies between the two lines so as to form a leader, the leader being secured to the new spool by the label, and the leading end of the leader through Label is lifted from the reeling drum to form a space so that it is easily severable in the direction of the label in front of the label by a high-pressure air jet blown against this space. It is also disadvantageous in this method that its implementation on the one hand is quite complex, on the other hand requires a high degree of precision.
  • a Anwickelvorraum shown for a wound material web.
  • a cutting means mounted for movement in a direction perpendicular to the machine for cutting the web of material thereby defining a tail.
  • a roll-up roller is mounted under the cutting means to thereby support the web.
  • a spool is mounted over and in engagement with the reel to rotate in the direction opposite to the direction of rotation of the reel, wherein the end widens between the reel and spool and onto the spool.
  • a means for applying an adhesive to the web is provided to adhesively connect the web to the spool, wherein there is no open draw of the web between the cutting means and the spool.
  • the cutting means includes a water knife which can move against the roll-up roll to cut the web to define an end, and the adhesive applicator applies the adhesive to the tail, thereby adhesively bonding the tail to the spool.
  • the material web is severed by a two separating elements and thus two separating lines generating separator, wherein a separating element of the separator, the web in the direction of the web before the new winding nip at least partially severed ,
  • the other separating element of the separating device the material web in the looped by the material web peripheral region of the new winding core at least partially severed and wherein the two separating elements of the separating device are generally moved transversely to the direction of the web to the respective opposite edge of the web and thus cut the two dividing lines produced in the region of the material web, in particular in the region of the center of the web and thereby a Form new beginning of the web, and that at least in the region of the trainees new beginning of the web an adhesive medium is introduced directly or indirectly between the web and the new hub so that the new and provided with the adhesive medium new beginning of the web on the new Winding core is transferred.
  • the separation process is more process reliable so that the risk of a web break is reduced to almost zero.
  • the web tension before the reel for cutting and transferring the material web does not have to be substantially, basically not lowered, since no weakening of the material web takes place before the new winding nip.
  • the web is not peeled off the new hub.
  • the immediate or indirect application of the adhesive medium ensures excellent adhesion of the new beginning of the web to the new hub from the beginning.
  • the new beginning of the web is clean and wrinkle-free attached to the new hub and the use of an aid for transferring the new beginning of the web on the new hub, such as an air flow, can be dispensed with altogether.
  • a separating element of the Tennvoriques is arranged below the material web, which ultimately allows a very good access to it, and this also during operation of the winding machine.
  • the method according to the invention can also be carried out several times without problems, for example in the case of a temporary nonfunction of a separating element.
  • a new and empty winding core is brought to the carrier drum in forming a new winding nip.
  • a new, but already wound winding core is brought to the carrier drum in order to wind it to the predetermined winding roll diameter.
  • the winding of the winding core was done, for example, before a web break.
  • the adhesive medium is preferably applied at least during the separation of the material web, so that at least the new beginning of the material web to be formed is reliably provided with the adhesive medium.
  • the adhesive medium generally results in an adhesion comprising adhesive forces at the contact surfaces of two different or the same substances by molecular forces.
  • 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 is introduced before the formation of the new beginning of the web between the web and the new hub, so that the new beginning from the beginning to adhere to the new hub.
  • the two separating elements for severing the material web can be activated at the same time, approximately simultaneously or with a time delay, and at the same time, approximately simultaneously or with a time lag, moved transversely to the running direction of the material web. This allows different cutting contours to be achieved, which allow individual adaptation to possibly different material web qualities.
  • the two separating elements for severing the material web can be applied to points of the material web which lie substantially symmetrically in the running direction of the material web. This results in different separation contours, which in turn allow individual adaptation to possibly different material web qualities.
  • the two separating elements can be moved relative to the material web during the severing of the material web in a plane approximately parallel to the material web, whereby the material web is ideally completely severed.
  • the speed of the material web does not have to be reduced when it is cut through the material web, and the two separating elements are preferably at a speed in the range from 2 to 20 m / s, preferably from 4 to 15 m / s, in particular from 6 to 12 m / s , emotional.
  • the two separating elements can each be moved by means of an electric motor, pneumatically and / or hydraulically operated drive device.
  • a drive device sufficiently fulfills the operating requirements placed on it, on the other hand, it is characterized by relatively low acquisition and operating costs with low maintenance costs.
  • the two separating elements are preferably moved in each case by means of a linear drive unit generally transversely to the running direction of the material web.
  • a linear drive unit generally transversely to the running direction of the material web.
  • separating elements preferably non-contact and a high energy density having separating elements, such as in particular water jet or laser beam separating elements are used.
  • separating elements preferably non-contact and a high energy density having separating elements, such as in particular water jet or laser beam separating elements are used.
  • the axis of rotation of the new winding core during the severing of the material web may be substantially in or above a horizontal plane containing the axis of rotation of the carrier drum.
  • the circumferential region of the new winding core wrapped around by the material web preferably has a wrap angle in the range of 5 to 90 °, preferably 15 to 80 °, in particular 30 to 75 °. These angular ranges sufficiently support the adhesion of the material web to the new winding core.
  • the adhesive medium can be applied in the direction of the material web in front of the new winding nip, in particular in the circumferential region of the carrier drum looped around by the material web on the material web. But it can also be applied to the surface of the new, forming with the carrier drum the new winding nip winding core or introduced into the new, formed by the carrier drum and the new winding core winding nip. In all cases, the adhesive medium is preferably applied or incorporated with at least one commissioned work.
  • the adhesive medium is applied to the underside of the material web preferably after its expiration of the new hub so that it penetrates through the web and wets the surface of the new hub at least partially.
  • the adhesive medium is preferably applied with at least one lower side of the material web arranged high-pressure applicator.
  • the adhesive medium preferably has an effective range with a effective width in the range of 5 to 150 mm, preferably from 10 to 100 mm, in particular from 15 to 30 mm ,
  • a separating device which comprises two separating elements and thus produces two dividing lines for severing the material web
  • the one separating element of the separating device for at least partially cutting through the material web in the running direction of the material web is arranged to the new winding nip
  • the other separating element of the separating device is arranged for at least partially cutting the web in the looped by the material web peripheral region of the new hub and wherein the two separating elements of the separator generally transverse to the direction of Material web to the respective opposite edge of the material web are movable and thus the two dividing lines produced in the region of the material web, in particular in the region of the center of the material web cut and thereby form a new beginning of the material web
  • at least one commissioned work is provided, which at least during the separation of the web, at least in the region of the trainees new beginning of the web introduces an adhesive medium directly or indirectly between the web and the new
  • This winding machine 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 two separating elements for severing the material web can be activated at the same time, approximately simultaneously or with a time delay, and at the same time, approximately simultaneously or with a time delay, be moved generally transversely to the running direction of the material web. This allows different cutting contours to be achieved, which allow individual adaptation to possibly different material web qualities.
  • the two separating elements are preferably movable relative to the material web in a plane approximately parallel to the material web, as a result of which the material web is ideally completely severed.
  • the speed of the material web does not have to be reduced when it is cut through the material web, and the two separating elements are preferably at a speed in the range from 2 to 20 m / s, preferably from 4 to 15 m / s, in particular from 6 to 12 m / s , movable.
  • the drive means for moving the two separating elements can be operated by electric motor, pneumatically and / or hydraulically.
  • a drive device sufficiently fulfills the operating requirements placed on it, on the other hand, it is characterized by relatively low acquisition and operating costs with low maintenance costs.
  • the two separating elements may each be movable in a direction generally transverse to the running direction of the material web by means of a linear drive assembly.
  • a linear drive unit has already proven itself in similar applications and it has a reliable, yet sufficiently high dynamics.
  • the two separating elements preferably comprise contactless and high energy density having separating elements such as in particular water jet or laser beam separating elements.
  • the individual applicator can be arranged such that the adhesive medium is applied to the material web in the running direction of the material web in front of the new winding nip or on the surface of the new, the winding drum forming the new winding nip is applied with the carrier drum or introduced into the new winding nip formed by the carrier drum and the new winding core.
  • the single Application work also be arranged so that the adhesive medium is applied to the upper side of the material web in the circumferential region of the carrier drum, which is looped around by the material web.
  • a high-pressure coater is arranged such that the adhesive medium is applied to the lower side of the material web preferably after its expiration of the new hub so that it penetrates through the web and at least the surface of the new hub partially wetted.
  • the applicator or the high-pressure applicator preferably has a preferably adjustable application width, so that the adhesive medium has an effective range with a effective width in the range of 5 to 150 mm , preferably from 10 to 100 mm, in particular from 15 to 30 mm, forms.
  • FIG. 1 shown in a schematic side view winding machine 1 is used to wind a moving material web 4, wherein the web 4 is successively wound on a plurality of winding cores 10, 11 to bobbins 6.
  • the material web 4 may in particular be a fibrous web, such as a paper, board or tissue web, for example, and it has a running direction R (arrow).
  • the winding machine 1 comprises a so-called Anpresstrommel or support roller support drum 2, which is either rigidly mounted or along an imaginary dashed horizontal straight line G by means of a pressing device, not shown displaceable (double arrow 3) and is driven by a drive.
  • the carrier drum 2 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 2 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 4 is led 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 spreader roller, not shown, then runs in the direction of arrow on the lateral surface 5 of the carrier drum 2 and wraps around this lateral surface 5 by a certain angle ("peripheral region") until it is detached by the winding roller to be formed. 6 In this case, the material web 4, as indicated by dashed lines, accumulate in different geometries on the lateral surface 5 of the carrier drum 2.
  • the detachment of the material web 4 from the carrier drum 2 and the transfer to the wound roll 6 to be formed takes place in the so-called winding nip 7, which forms during the main winding phase between the carrier drum 2 and the winding roll 6 to be formed.
  • the winding roll 6 to be formed is guided by means of a lifting or pressing device, not shown, a movable transport device in the direction indicated by the arrow 8 direction of movement.
  • the lifting 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 a hydraulic cylinder.
  • the transport device serves to hold and guide the winding core 10 resting on the rails ("guide track") 9 of the winding roller 6 to be formed.
  • a device for regulating the line force L arising in the winding nip 7 during the main winding phase is, for example, in the already mentioned German Offenlegungsschrift DE 198 07 897 A1 disclosed.
  • a new winding core (empty drum) 11 held by a holding device, not shown at a distance from the carrier drum 2 ("standby position").
  • an air squeezing device in the form of an air squeegee 12 is shown in dot-dashed form which is not in any operative relationship with the winding roll 6 to be formed during the illustrated main winding phase. It is rather in a waiting position.
  • the Heilabquetschwalze 12 is applied only when reaching a desired layer thickness by means of at least one not shown moving means to be formed to the winding roller 6.
  • the Heilabquetsch can of course also be designed as a brush, a Foil, a roller arrangement or the like.
  • the squeegee roller 12 may be movable by generally known mechanisms both substantially linearly, preferably horizontally and / or vertically, as well as substantially along a contour of a circle segment.
  • FIG. 2 shows a schematic side view of a winding machine 1 with the Lucasabquetschwalze 12 during Endwickelphase.
  • the spatial arrangement of the illustrated Heilabquetschwalze 12 has only exemplary character; It may also be arranged in an implied manner directly below the carrier drum 2 or below the winding roller 6 and immediately mutually the carrier drum 2.
  • the Luftabquetschwalze 12 to be formed Winding roll 6 created.
  • the effective force F in the effective region W is regulated by a displacement of the air squeegee roller 12.
  • a good, up to the last winding layers present winding result that is to be formed winding roller 6 with a defined, uniform winding hardness over the entire winding time, achieved as a fine adjustment of the active force F in the effective range W between the wound roll to be formed 6 and Heilabquetschwalze 12 even during the final winding phase in which there is no winding gap between the carrier drum 2 and the winding roll 6 to be formed, is possible.
  • the Heilabquetschwalze 12 is displaced while maintaining the effective force F in the effective range W to be formed to the winding roller 6. The displacement is only terminated when the winding roll 6 to be formed has horizontally reached its end position E ("spool change position").
  • FIG. 3 shows a schematic detail of the in the FIG. 2 shown winding machine 1 during Endwickelphase.
  • the new winding gap 7.1 is formed between the carrier drum 2 and the patch on the rails 9 new hub 11 and the new hub 11 is wrapped in the peripheral region 13 of the web 4.
  • the peripheral region 13 on the new winding core 11 is by definition the circumferential length I.11 between the new winding gap 7.1 and the drain point P of the material web 4 of the new hub 11.
  • the peripheral region 13 on the new hub 11 extends in the present embodiment via a Wrapping angle ⁇ of almost 90 °; however, it may take on a greater or lesser value.
  • the wrapping angle ⁇ should always have a value in the range from 5 to 90 °, preferably from 15 to 80 °, in particular from 30 to 75 °, from a process engineering point of view.
  • the one separating element 15.1 of the separating device 14 for the at least partial separation of the material web 4 is arranged in the running direction R (arrow) of the material web 4 in front of the new winding gap 7.1.
  • the separating element 15.1 acts in the region of the peripheral region 27 of the carrier drum 2 looped around by the material web 4; However, it can also act on the carrier drum 2 before the emergence of the web 4.
  • the separating element 15.1 of the separating device 14 is movable relative to the material web 4 during the severing of the material web 4 in a plane approximately parallel to the material web 4, and an electromotive, pneumatic and / or hydraulically operated drive device 19.1 is provided for moving the separating element 15.1.
  • a linear drive unit 20.1 generally transversely to the direction of rotation R (arrow) of the material web 4 is movable and depending on the site of action comprises a non-contact and a high energy density exhibiting separator such as in particular a water jet or laser beam separator.
  • the dividing element 15.1 comprehensive part of the separator 14 is mounted on a support 21.1, which by means of an actuating element 22.1 between a in the FIG.
  • the pivotability of the carrier 21.1 and thus this part of the separator 14 is indicated by a double arrow 23.
  • the pivotability of the separating element 15.1 is particularly advantageous in the case of a displaceable carrying drum 2.
  • the dividing element 15.1 comprising part of the separator 14 may, of course, but also be arranged stationary.
  • the other separating element 15.2 of the separating device 14 for at least section-wise severing of the material web 4 is arranged in the circumferential region 13 of the new winding core 11 which is looped around by the material web 4.
  • the separating element 15.2 of the separating device 14 is movable relative to the material web 4 during the severing of the material web 4 in a plane approximately parallel to the material web 4 and it is an electric motor, pneumatically and / or hydraulically operated drive device 19.2 Movement of the separating element 15.2 provided.
  • a linear drive unit 20.2 it can be moved generally transversely to the running direction R (arrow) of the material web 4 and it comprises a non-contact working separating element having a high energy density, in particular a water jet or laser beam separating element.
  • the dividing element 15.2 comprehensive part of the separator 14 is mounted on a support 21.2, which by means of an actuating element 22.2 between a in the FIG. 3 shown in solid lines separating position and a non-illustrated waiting position is pivotable.
  • the pivotability of the carrier 21.2 and thus this part of the separator 14 is indicated by a double arrow 23.
  • the pivotability of the separating element 15.2 is particularly advantageous in the case of a displaceable carrying drum 2.
  • the dividing element 15.2 part of the separating device 14 may also be arranged stationary.
  • the two separating elements 15.1, 15.2 of the separating device 14 are, as in the FIG. 4 represented, generally transversely to the direction of R (arrow) of the web 4 to the respective opposite edge 17.1, 17.2 of the web 4 movable.
  • the two dividing lines 16.1, 16.2 produced intersect in the region of the center M of the material web 4 and thereby form a new beginning 18 of the material web 4.
  • the two separating elements 15.1, 15.2 of the separator 14 at the same time, approximately simultaneously or with a time delay activated and simultaneously, almost simultaneously or with a time offset transversely to the direction R (arrow) of the web 4 movable.
  • a commissioned work 24 is provided, which at least during the separation of the material web 4 at least in the region of the trainees new beginning 18 of the web 4, an adhesive medium 25 directly or indirectly on between the web 4 and the new hub 11 introduces, so that the new and provided with the adhesive medium 25 new beginning 18 of the web 4 is transferred to the new hub 11.
  • the applicator 24, for example, attached to a support, not shown, is arranged in the present embodiment such that the adhesive medium 25 on the Surface 26 of the new, with the carrier drum 2, the new winding nip 7.1 forming the winding core 11 is applied.
  • the applicator 24 in this case has a preferably adjustable application width A, so that the adhesive medium 25 after passing through the new winding nip 7.1 an effective range B with a effective width C in the range of 5 to 150 mm, preferably from 10 to 100 mm, in particular 15 up to 30 mm, forms (cf. FIG. 6 ).
  • FIG. 4 shows a schematic representation of possible separation contours in the material web 4, wherein the application of the adhesive medium 25 (see. FIG. 6 ) is not shown.
  • the two separating elements 15.1; 15.2 of the separating device 14 are arranged in the direction of R (arrow) of the material web 4 at a distance from each other and are used to cut through the material web 4 each approximately with respect to the transverse direction approximately centrally.
  • the two separating elements 15.1, 15.2 are pre-accelerated and, depending on their own speed, in the range from 2 to 20 m / s, preferably from 4 to 15 m / s, in particular from 6 to 12 m / s, as well as the speed of the material web 4 attached to the material web 4 such that the two resulting dividing lines 16.1, 16.2 intersect at an intersection 29. This results in a tapered new beginning 18 of the material web. 4
  • the two separating elements 15.1, 15.2 for severing the material web 4 can be activated at the same time, approximately simultaneously or with a time delay and at the same time, approximately simultaneously or with a time lag, moved generally transversely to the running direction R (arrow) of the material web 4 and preferably at the same speed. Depending on the choice of these parameters, special separation contours arise.
  • the parameters are selected such that the two separating elements 15.1, 15.2 are activated with a time delay and moved at the same time generally transversely to the running direction R (arrow) of the material web 4.
  • the two dividing lines 16.1, 16.2 intersect directly in the middle M of Material web 4.
  • the parameters are chosen so that the separating element 15.2 delayed, that is later than the separating element 15.1 generally transversely to the direction R (arrow) of the web 4 is moved.
  • the separating elements 15.1, 15.2 can also be moved in each case proceeding from the edges 17.1, 17.2 of the material web 4 perpendicular to the running direction R (arrow) of the material web 4 in the direction of the center M of the material web 4 in such a way that the dividing lines intersect. This would result in a V-like or dovetail cut new beginning of the web.
  • FIG. 5 shows a further schematic and partial side view of a winding machine 1 during Endwickelphase, wherein the separating elements 15.1, 15.2 of the separator 14 (see. FIGS. 3 and 4 ) is not shown for the sake of clarity.
  • the applicator 24 is arranged such that the adhesive medium 25 is applied to the surface 26 of the new, with the carrier drum 2 forming the new winding nip 7.1 winding core 11.
  • the possible for this arrangement of the commissioned work 24 area is indicated by the reference numeral "I".
  • the respective applicator 24 is arranged for mounting or insertion of the adhesive medium 25 such that the adhesive medium 25 in the direction R (arrow) of the web 4 before the new winding gap 7.1 the upper side is applied to the material web 4.
  • the adhesive medium 25 in the of the material web 4th looped circumferential portion 27 of the carrier drum 2 is applied to the upper side of the web 4, wherein the peripheral portion 27 on the carrier drum 2 in this case by definition the circumferential length I.2 between the casserole Q of the web 4 on the carrier drum 2 and the new winding nip 7.1.
  • the area which is possible for these two arrangements of the individual applicator 24 is identified by the reference symbols "II” and "III". It is also possible for the respective discharge unit 24 to be arranged such that the adhesive medium 25 is introduced into the new winding gap 7.1 formed by the carrier drum 2 and the new winding core 11.
  • the possible for this arrangement of the commissioned work 24 area is marked with the reference numeral "IV”. Purely by way of example, a commissioned work 24 is shown or indicated by dashed lines for each area "I" to "IV”.
  • a merely indicated high-pressure applicator unit 28 may be arranged such that the adhesive medium 25 is applied to the material web 4 on the underside of the material, preferably after its expiry (drain point P) of the new winding core 11 so that it penetrates through the material web 4 and the surface 26 of the new winding core 4 at least partially wetted.
  • the possible for this arrangement of the high-pressure applicator 28 area is denoted by the reference numeral "V", this area can also extend against the running direction R (arrow) of the material web before the drain point P.
  • FIG. 6 shows a schematic representation of an embodiment of a separation process in which the width D having a material web 4 is cut by means of two separating elements 15.1, 15.2 in a peripheral region on the new hub.
  • the arrangement of the two separating elements 15.1, 15.2 is an example in the FIG. 6 laid in and the merely indicated applicator 24 for the adhesive medium 25 is arranged in the running direction R (Peil) of the material web 4 in front of the separating element 15.2 (cf section "II" or "III” in FIG FIG. 5 ).
  • the two in the direction P (arrow) of the material web spaced separating elements 15.1; 15.2 of the separator 14 are generally transverse to the Running direction R (arrow) of the material web 4 to the respective opposite edge 17.1, 17.2 of the web 4 movable.
  • the dividing lines 16.1, 16.2 produced intersect in the region of the center M of the material web 4 at an intersection 29 and thereby form a new beginning 18 of the material web 4.
  • the two separating elements 15.1, 15.2 comprise non-contact working and a high energy density having dividing elements such as in particular water jet or laser beam separating elements.
  • the illustrated linear dividing lines 16.1, 16.2 are merely exemplary in nature; they may also be nonlinear, such as bent and the like.
  • the two separating elements 15.1, 15.2 for severing the material web 4 are preferably applied in the running direction R (arrow) of the material web 4 substantially symmetrical points of the material web 4.
  • both separating elements 15.1, 15.2 are preferably moved relative to the material web 4 during the severing of the material web 4 in a plane approximately parallel to the material web 4.
  • the only indicated applicator 24 for the adhesive medium 25 has a preferably adjustable application width A, so that the adhesive medium 25 after passing through the new winding nip (see. FIG. 3 ) forms an effective region B with a effective width C in the range of 5 to 150 mm, preferably of 10 to 100 mm, in particular of 15 to 30 mm.
  • Winding machine 1 shown is particularly suitable for carrying out the method according to the invention for winding a moving material web 4, in which the web 4 is successively wound on several hubs 10, 11 to winding rollers 6, wherein the web 4 over a peripheral region 13 of a preferably displaceable and with the winding roll 6 to be formed a winding nip 7 forming carrier drum 2 is guided, wherein before the beginning of the transfer of the web 4 to be formed winding roller 6 is moved away from the carrier drum 2 at dissolution of the winding nip 7 and in the formation of a free train in the web 4 and wherein a new winding core 11 to the carrier drum 2 at Forming a new winding nip 7.1 is brought such that it is wrapped at least in a peripheral region 13 of the web 4.
  • the material web 4 is severed by a separating element 15.1, 15.2 comprehensive and thus two separating lines 16.1, 16.2 generating separator 14, wherein the one separating element 15.1 of the separator 14, the web 4 in the direction R (arrow) of the web 4 before the new winding gap 7.1 at least partially severed, wherein the other separating element 15.1 of the separator 14, the web 4 in the looped by the web 4 peripheral region 13 of the new hub 11 at least partially severed and wherein the two separating elements 15.1, 15.2 of the separator 14 generally transverse to the direction R (arrow ) of the material web 4 are moved to the respective opposite edge 17.1, 17.2 of the material web 4 and thus the two dividing lines 16.1, 16.2 cut in the region of the material web 4, in particular in the region of the center M of the material web 4 and thereby a new beginning Form 18 of the material web 4.
  • an adhesive medium 25 is introduced directly or indirectly between the web 4 and the new hub 11 so that the new and provided with the adhesive medium 25 new beginning 18 of the web 4 on the new winding core 11 is transferred.
  • the invention provides a method and a winding machine of the abovementioned types which enable optimum winding of the new beginning of the material web on the new winding core with a simultaneous reduction of rejects. Furthermore, the safest possible separation process is guaranteed with minimal construction effort and also given the best conditions for optimal runnability and favorable investment and process costs.

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  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
EP09154588A 2008-03-14 2009-03-09 Procédé d'enroulement d'une bande de matériau déroulante et machine d'enroulement destinée à l'exécution du procédé Withdrawn EP2100838A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810000673 DE102008000673A1 (de) 2008-03-14 2008-03-14 Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens

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EP2100838A2 true EP2100838A2 (fr) 2009-09-16
EP2100838A3 EP2100838A3 (fr) 2011-06-29

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Cited By (5)

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CN103640919A (zh) * 2013-12-04 2014-03-19 上海箴宇控制技术有限公司 一种速度可调的薄膜收卷机用打断机构
EP2812268A1 (fr) * 2012-01-30 2014-12-17 Paprima Industries Inc. Procédé et appareil de coupe à enroulement de bande
CN112919188A (zh) * 2021-02-03 2021-06-08 赣州逸豪新材料股份有限公司 一种可自动切断下料的铜箔收卷装置
US11279582B2 (en) 2016-10-17 2022-03-22 Paprima Industries Inc. Process for turning up in a paper machine and paper manufacture
DE102021125511A1 (de) 2021-10-01 2023-04-06 Voith Patent Gmbh Wickelmaschine und Verfahren zur Aufwicklung einer Materialbahn umfassend mindestens eine Klebevorrichtung zur Endblattverklebung auf eine Wickelrolle

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DE4208746C2 (de) 1991-11-26 1996-07-11 Mitsubishi Heavy Ind Ltd Verfahren und Vorrichtung zum Wechseln von Spulen
CA2227113A1 (fr) 1998-01-15 1999-07-15 Roman C. Caspar Appareil a jet d'eau pour revers pour utiliser dans un devidoir de tissu
DE19807897A1 (de) 1998-02-25 1999-08-26 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum kontinuierlichen Aufwickeln einer Materialbahn
EP0907600B1 (fr) 1996-06-17 2003-03-26 Beloit Technologies, Inc. Dispositif d'enroulement de bande sur bobine
EP0997417B1 (fr) 1998-10-22 2003-10-15 Voith Paper Patent GmbH Méthode et dispositif pour couper une bande en déplacement
EP1035054B1 (fr) 1999-03-10 2004-04-14 Voith Paper Patent GmbH Méthode pour bobiner une bande de matériau et bobineuse pour réaliser cette méthode

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DE4208746C2 (de) 1991-11-26 1996-07-11 Mitsubishi Heavy Ind Ltd Verfahren und Vorrichtung zum Wechseln von Spulen
EP0907600B1 (fr) 1996-06-17 2003-03-26 Beloit Technologies, Inc. Dispositif d'enroulement de bande sur bobine
CA2227113A1 (fr) 1998-01-15 1999-07-15 Roman C. Caspar Appareil a jet d'eau pour revers pour utiliser dans un devidoir de tissu
DE19807897A1 (de) 1998-02-25 1999-08-26 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum kontinuierlichen Aufwickeln einer Materialbahn
EP0997417B1 (fr) 1998-10-22 2003-10-15 Voith Paper Patent GmbH Méthode et dispositif pour couper une bande en déplacement
EP1035054B1 (fr) 1999-03-10 2004-04-14 Voith Paper Patent GmbH Méthode pour bobiner une bande de matériau et bobineuse pour réaliser cette méthode

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2812268A1 (fr) * 2012-01-30 2014-12-17 Paprima Industries Inc. Procédé et appareil de coupe à enroulement de bande
EP2812268A4 (fr) * 2012-01-30 2017-01-11 Paprima Industries Inc. Procédé et appareil de coupe à enroulement de bande
CN103640919A (zh) * 2013-12-04 2014-03-19 上海箴宇控制技术有限公司 一种速度可调的薄膜收卷机用打断机构
US11279582B2 (en) 2016-10-17 2022-03-22 Paprima Industries Inc. Process for turning up in a paper machine and paper manufacture
CN112919188A (zh) * 2021-02-03 2021-06-08 赣州逸豪新材料股份有限公司 一种可自动切断下料的铜箔收卷装置
CN112919188B (zh) * 2021-02-03 2022-06-07 赣州逸豪新材料股份有限公司 一种可自动切断下料的铜箔收卷装置
DE102021125511A1 (de) 2021-10-01 2023-04-06 Voith Patent Gmbh Wickelmaschine und Verfahren zur Aufwicklung einer Materialbahn umfassend mindestens eine Klebevorrichtung zur Endblattverklebung auf eine Wickelrolle

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EP2100838A3 (fr) 2011-06-29

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