WO2005026030A1 - Bobineuse et procede associe - Google Patents

Bobineuse et procede associe Download PDF

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Publication number
WO2005026030A1
WO2005026030A1 PCT/FI2004/050133 FI2004050133W WO2005026030A1 WO 2005026030 A1 WO2005026030 A1 WO 2005026030A1 FI 2004050133 W FI2004050133 W FI 2004050133W WO 2005026030 A1 WO2005026030 A1 WO 2005026030A1
Authority
WO
WIPO (PCT)
Prior art keywords
reel
negative pressure
web
supporting member
reeling
Prior art date
Application number
PCT/FI2004/050133
Other languages
English (en)
Inventor
Ilkka Naatti
Risto MÄKINEN
Teppo Kojo
Vesa RIIHELÄ
Matti Kemppainen
Original Assignee
Metso Paper, Inc.
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 Metso Paper, Inc. filed Critical Metso Paper, Inc.
Priority to DE112004001693T priority Critical patent/DE112004001693T5/de
Priority to AT0929404A priority patent/AT504004B1/de
Publication of WO2005026030A1 publication Critical patent/WO2005026030A1/fr

Links

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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/22—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • 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
    • B65H2301/4148—Winding slitting

Definitions

  • the invention relates to a method in reeling up in which a paper web is reeled continuously into reels around rotating reeling cores in such a manner that the web is guided into a reel around a reeling core via a reeling nip between the loop of an endless supporting member and the reel, and at least at some stage the reeling core is transferred in relation to the loop of the supporting member in accordance with the growth of the diameter of the reel so that the position of said reeling nip moves forward in the portion of the endless supporting member carrying the web in the travel direction of said portion, and the force pressing the surfaces of the web and the endless supporting member together and the holding between the web and the supporting member is controlled by means of negative pressure that is arranged at least on a part of the portion of the supporting member carrying the web.
  • the invention also relates to a reel-up that is arranged to reel a paper web continuously into reels around rotating reeling cores, comprising at least a transfer device for moving the reeling core and the reel formed around the same during reeling, in which the paper web is continuously guided on a reel via a reeling nip, and a loop formed by an endless supporting member containing a portion carrying the web and forming a reeling nip, wherein the transfer device is arranged to move the reel in the reeling so that said reeling nip moves in the travel direction of the portion carrying the web, and a leading roll located inside the loop formed by the supporting member, as well as a negative pressure arrangement positioned at least partly inside the loop formed by the loop supporting member, and which is arranged to produce negative pressure at least on a part of the portion of the supporting member carrying the web to control the force pressing the surfaces of the endless sup- porting member together and the holding between the web and the surface of the supporting member.
  • a typically several meters wide paper web which has been produced and/or treated in earlier machine sections, is reeled around a reel spool to form a machine reel.
  • a reeling cylinder that is journalled rotatable is typically used for guiding the paper web on the machine reel, wherein the nip contact between the reeling cylinder and the machine reel is utilized to influence the quality of the reel produced thereby.
  • the reeling cylinder remains stationary and the reel spool around which the reel is accumulated in nip contact is moved during reeling up in a supporting structure, for example by supporting the ends of the reel spool on reeling rails.
  • the ends of the reel spool are affected by means of a suitable loading mechanism to adjust the nip contact between the machine reel that is being formed and the reeling cylinder.
  • a suitable loading mechanism to adjust the nip contact between the machine reel that is being formed and the reeling cylinder.
  • US patent 5,370,327 discloses a solution in which the reeling cylinder moves in the vertical direction, thus making it possible to maintain the angular position of the nip between the reeling cylinder and the machine reel constant when the reel moves on the reeling rails.
  • the low position of the reeling cylinder and the movement of the same in the vertical direction enable the transfer of the reel spools from a storage to a reeling station along a straight transfer path.
  • the solution contains two pairs of reeling carriages, of which the pair that has delivered the full machine reel can return past the other pair that is guiding the reel to be reeled, to retrieve a new empty reel spool.
  • the primary aim of the present invention is to introduce a method, by means of which it is possible to control the contact between the web and the wire or belt loop of the reel-up.
  • the method according to the invention is primarily characterized in that during the run at least one of the following is changed: the effective area of the negative pressure, the location of the negative pressure, the intensity of the negative pressure.
  • the reel- up according to the invention is primarily characterized in that during the run at least one of the following can be adjusted: the effective area of the negative pressure produced by the negative pressure arrangement, location of the negative pressure produced by the negative pressure arrangement, intensity of the negative pressure produced by the negative pressure arrangement.
  • a paper web is reeled continuously into reels around rotating reeling cores in such a manner that the web is guided into a reel around a reeling core via a reeling nip between the loop of an endless supporting member and the reel, and at least at some stage the reeling core is transferred in relation to the loop of the supporting member in accordance with the growth of the diameter of the reel so that the position of said reeling nip shifts forward in the portion of the endless supporting member carrying the web in the travel direction of said portion.
  • the force pressing the surfaces of the web and the endless supporting member together and at the same time the holding of the web and the supporting member are controlled by means of negative pressure exerted on the contact between the surface of the supporting member and the web.
  • at least part of the air flow produced by the negative pressure travels from outside the loop to the inside, but in some preferred embodiments part of the air flow travels from inside the loop to the outside.
  • At least part of the negative pressure is pro- symbolized by sucking air inside the loop of the supporting member for example by means of a suction box or by blowing air inside the loop by means of a blow box.
  • the negative pressure of the reel-up according to the invention can be advantageously used at different stages of the reeling process, for example in the threading of the web, primary reeling, secondary reeling, reel change and/or shutdown of the broke processing system.
  • the invention is especially suitable for reeling of air impermeable paper grades such as coated papers, but the invention can also be used for reeling of air permeable paper grades, wherein the negative pressure can produce a flow of air through the paper and the supporting member.
  • Fig. 1 illustrates schematically the main principle of a reel-up in a side view
  • Figs 2 to 6 show some embodiments of the negative pressure arrangement of a reel-up.
  • the figures only show the details necessary for understanding the invention.
  • the structures and details which are not necessary for understanding the invention and which are obvious for anyone skilled in the art have been omitted from the figures in order to emphasize the characteristics of the invention.
  • Fig. 1 illustrates a continuously operating reel-up, where a normally several metres wide paper web 1 coming from a preceding section of a paper machine or a finishing apparatus for paper travels via a reeling nip 2 onto a reel 3.
  • the reeling nip 2 is formed by means of a flexible supporting member 7 in the form of an endless loop, such as a belt or a wire.
  • the supporting member 7 is guided via two leading rolls 8 and 9, at each of which the run of the member 7 turns to the opposite di- rection.
  • the first leading roll 8 can form at the initial stage of the reeling process a "hard nip" with the reel 3 that is being started in such a manner that the supporting member 7 is in contact with the reel at a point where the member travels on the support of the leading roll 8 on the surface of the roll.
  • the latter leading roll 9 or the first leading roll 8 can be a driven roll, i.e. a traction roll, or separate drives can be arranged for both rolls.
  • the web 1 travels guided by the supporting member 7 onto the machine reel 3, which is formed around a reel spool 4 rotatable with its own centre drive.
  • the reel spool 4 moves in the machine direction with re- spect to the loop of the supporting member 7, and this is arranged in such a manner that the bearing housings at the ends of the reel spool that enable the rotation of the reel spool 4 are supported with suitable supporting structures.
  • the reel change takes place at production speed i.e.
  • the machine reel 3 can be transferred in the machine direction in a transfer device 5, which supports the bearing housings at the ends of the reel spool 4 and which is moved by means of actuators attached to the frame of the reel-up.
  • the transfer device 5 is arranged to move on substantially horizontal reeling rails 6 extending in the machine direction, and it is formed of a carriage located at both ends of the reel spool 4, which supports the bearing housing at the end of the reel spool.
  • the transfer device 5 is transferred forward along the reeling rails 6 in the travel direction of the web 1 in accordance with the growth of the diameter of the reel 3 so that the reel is, at its lower side, always in contact with the loop of the supporting member 7 in such a manner that the web moves over to the outer periphery of the reel 3 in the reeling nip 2 between the web-carrying portion of the loop and said outer periphery.
  • the reeling nip 2 moves continuously forward in accordance with the growth of the reel 3 in the travel direction of the upper portion of the loop.
  • the reel spool 4 forming the core of the reel is brought to the change station and the web 1 is changed to travel around the same at the production speed.
  • the full reel 3 is removed from the transfer device 5 and the transfer device is moved back to the initial end of the portion of the loop carry- ing the web 1 , and the new reel spool 4 around which a new web has started to accumulate after the change is delivered thereto from the primary reeling station for secondary reeling.
  • the negative pressure arrangement of a reel-up according to the in- vention is shown in principle in Fig. 1.
  • the negative pressure arrangement produces negative pressure (whose direction is shown by arrow F1 in the figure) that is directed at least through the surface of the sup- porting member 7 positioned against the web 1 advantageously from the side of the web towards the inner part of the loop of the supporting member.
  • the negative pressure F1 brings the web 1 against the supporting member 7 and/or affects the force between the surfaces the web and the supporting member that are in contact with each other.
  • the negative pressure F1 affects the friction between the surfaces of the web and the supporting member 7, wherein for example by increasing the negative pressure (for example by increasing the suction flow) it is possible to increase the magnitude of friction or holding.
  • the negative pressure arrangement comprises suitable members, such as blowers 11 and nozzles 10.
  • suitable members such as blowers 11 and nozzles 10.
  • the negative pressure arrangement can be implemented in various ways and Figs 2 to 6 present some preferred embodiments of the negative pressure arrangement.
  • Fig. 2 shows a negative pressure arrangement of a reel-up, in which the air flow F1 penetrating the supporting member 7 is produced by guiding air away from the location of the first leading roll 8, preferably from inside said leading roll.
  • the surface of the leading roll 8 positioned against the supporting member 7 is provided with air channels via which air is capable of flowing inside the leading roll.
  • the negative pressure and thus also the air flow F1 is produced by means of a blower 11 that sucks air from inside the leading roll 8.
  • Said embodiment is especially advantageous when the end of the web 1 is conveyed to the reel-up via a "hard nip" of the reel-up, because in such a situation it is possible to bring the end of the web and the supporting member 7 of the reel-up in contact with each other at an advantageous stage in view of guiding the web.
  • the negative pressure F1 is produced in constant magnitude within the entire width of the supporting member 7, i.e. substantially within the width of the web 1 to be reeled, but it is possible to form the negative pressure arrangement in such a manner that the suction effect of the supporting member varies in the cross-direction of the web.
  • the method shown in Fig. 2 for producing an air flow guided via the first leading roll 8 can also be applied in other rolls, for example in the posterior leading roll 9.
  • Fig. 3 shows a negative pressure arrangement of a reel-up, in which the negative pressure F1 is produced by guiding air away from the inside of the loop formed by the supporting member, advantageously from the area between the first leading roll 8 and the second leading roll 9.
  • the air flow F1 generating the negative pressure is produced by means of a suction box 10a that can be continuous within the entire area.
  • suction box 10a can be continuous within the entire area.
  • suction boxes 10a there are several suction boxes 10a, and preferably there are several suction boxes both in the travel direction and in the cross-direction of the web 1 (such as the separate sub-suction boxes 10c shown in Fig. 4).
  • the suction box 10 comprises a guiding element 12 arranged to move in a stepless manner, such as an intermediate wall 12 arranged to move along with the motion of the nip 2 in a stepless manner.
  • the guiding element 12 can be coupled kinetically to the device 5 moving the reeling core 4.
  • the guiding element 12 can also move transversely with respect to the travel direction of the web 1 , wherein it is possible to adjust the negative pressure area in the lateral direction.
  • the purpose of the arrow representing the negative pressure F1 is merely to illustrate in principle the direction and location of the negative pressure and/or air flow and it does not describe the exact location, direction or distribution of the negative pressure and/or air flow.
  • the negative pressure F1 and the air flow are distributed within the entire suction area in a manner determined by the suction box 10a.
  • the same principle is also utilized in indicating the blowing air flow F2 shown in Fig. 6.
  • Fig. 4 shows such a preferred embodiment of a negative pressure arrangement that combines the embodiments shown in Figs 2 and 3.
  • the suction box 10 is formed of several sub-suction boxes 10c that can be controlled separately.
  • the negative pressure F1 i.e. in said embodiment the air flow
  • the sub-suction boxes 10c according to said embodiment make it possible to exert the suction effect on desired points in the area between the leading rolls 8, 9.
  • the suction effect can be exerted on any point of the area in which the web 1 and the supporting member 7 are connected together.
  • the intensity of the negative pressure F1 can also be adjusted separately at different locations of the reel-up, wherein for example at the leading roll 8 and between the leading rolls 8, 9 the negative pressure can be activated simultaneously or at different times, or the force of the air flow can vary at different points.
  • the negative pressure F1 and the suction effect produced by the same is attained by conveying air away (i.e. by sucking air away by means of a blower) from said spaces. It is, however, possible to attain a corresponding suction effect in other ways as well.
  • a blow box 10b is arranged in- side the loop formed by the supporting member 7. From the blow box 10b air is blown to the space, and when said air flow is directed away from the inner surface of the supporting member 7, negative pressure is produced in the vicinity of the inner surface, said negative pressure producing an air flow and thus a negative pressure effect F1 that generates the suction effect exerted on the web 1.
  • the length of the negative pressure area in the longitudinal direction of the supporting member 7 is advantageously adjusted in such a manner that it is effective before the reel 3 (i.e. before the nip 2) but not after the nip.
  • an intermediate wall 12 moving in a stepless manner with the movement of the nip 2, as shown in the embodiment of Fig. 3.
  • the intermediate wall 12 can be coupled kinetically to the device 5 moving the reeling core 4.
  • a stepless adjustment alternative is to divide the space (preferably suction box 10) in- side the loop of the supporting member 7 into compartments 10b at least in the travel direction of the supporting member, to which compartments negative pressure is coupled in a row in accordance with the progression of the nip 2.
  • compartments 10c also in the transverse direction, wherein it is possible to arrange the negative pressure area so that it corresponds to the width of webs 1 varying in width, in other words also the width of partial webs. Because there may be the above-described negative pressure zones in the area of the supporting member 7 also in the transverse direction and/or machine direction, it is advantageous to form the zones in such a manner that they can be adjusted separately in both said directions.
  • FIG. 6 shows an embodiment with a suction possibility and blowing possibility.
  • the initial part of the reel-up contains an air flow F1 sucking the web 1 and the final part an air flow F2 blowing the web.
  • the direction of the air flow F1 , F2 changes after the nip 2 between the web 1 and the supporting member 7.
  • blowing air flow F2 it is possible to facilitate the loosening of the web 1 from the surface of the supporting member 7, if necessary, for example in connection with the reel change when the end of the web is conveyed on a new reel spool 4.
  • the suction member 10 is shown in principle in such a manner that the suction member 10 is arranged inside the loop of the supporting member 7, to which suction member both a blowing and sucking blower 11 is connected.
  • the suction member 10 can be implemented in many different ways, wherein the suction member can com- prise different kinds of channels and nozzles by means of which the desired air flow F1 , F2 is attained in the desired location.
  • the threading situation of the web 1 is shown as an example of the function of the reel-up according to the invention.
  • the tail of the web 1 is conveyed by means of a suitable arrangement to the initial end of the conveying portion of the supporting member 7, from which the surface of the loop of the supporting member conveys it further to the travel direction of the loop.
  • negative pressure is effective between the surface of the supporting member 7 and the web 1, said negative pressure bringing the tail substantially tightly and evenly in contact with the surface of the supporting member.
  • the tail follows the travel path of the surface of the supporting member 7 typically towards the nip 2.
  • the nip 2 is formed when an empty reel spool 4 is positioned against the belt of the supporting member 7 and the reel spool is brought in contact with the belt of the supporting member and the tail travelling on top of the same.
  • the web is spread in full with by means of diagonal cutting that can be performed by means of methods known as such.
  • the nega- tive pressure area is extended simultaneously in such a manner that the negative pressure are is substantially equal in width with the web 1 or partial web in every cutting situation.
  • the tail can be formed of a so-called trim separated from the edge of a full-width web 1 , but it can also be formed of a strip separated from the central area of the web. It is advantageous that the negative pressure arrangement is such that the suction zone is effective on an area nar- rower than the travel width of a full-width web 1 , if necessary, preferably only at that point where the tail or the web travels.
  • the negative pressure is produced only in the compartment 10c located by the tail, or compartments to which for example suction or blowing is exerted, wherein the compartments located in said area produce a negative pressure to pull the tail against the surface of the supporting member 7.
  • the widening web 1 and the full-width web after the tail are conveyed it is possible to extend the effective area on the entire width of the negative pressure area. If the negative pressure zone of the reel-up is only narrower than the reel-up for example at the other edge of the reel-up, the shell of the reel-up must be air permeable only within this width.
  • the blowing F2 directed outside from the inside of the loop of the sup- porting member 7 can also be utilized for other purposes than for facilitating the loosening of the web 1.
  • One advantageous effect of the blowing is its effect on the cleanliness of the surface of the supporting member 7, because thus the material transferred on the surface of the supporting member can be blown away entirely or partly.
  • the cleanli- ness of the surface of the supporting member in turn, has an effect on the air permeability of the supporting member, and by means of a clean surface of the supporting member it is possible to implement a suction effect that can be better controlled.

Landscapes

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

Abstract

La présente invention concerne une bobineuse et un procédé de bobinage selon lequel une bande de papier est enroulée en continu de façon qu'elle forme des bobines autour de mandrins rotatifs (4), de telle manière que la bande est guidée en une bobine (3) autour du mandrin rotatif (4) via une pince de bobinage (2) formée entre une boucle d'un élément de support sans fin (7) et la bobine (3). A au moins un moment, le mandrin de bobinage (4) est transféré par rapport à la boucle de l'élément de support (7) en fonction de la croissance du diamètre de la bobine (3), de telle manière que la position de la pince de bobinage (2) se déplace vers l'avant sur la partie de l'élément de support sans fin (7) qui porte la bande (1) dans la direction de défilement de ladite partie. La force qui comprime les surfaces de la bande (1) et l'élément de support sans fin (7) entre eux et le contact entre la bande et l'élément de support sont réglés à l'aide d'une pression négative dirigée au moins sur une région de la partie de l'élément de support qui porte la bande.
PCT/FI2004/050133 2003-09-15 2004-09-14 Bobineuse et procede associe WO2005026030A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112004001693T DE112004001693T5 (de) 2003-09-15 2004-09-14 Ein Verfahren in einer Aufwickelvorrichtung und eine Aufwickelvorrichtung
AT0929404A AT504004B1 (de) 2003-09-15 2004-09-14 Ein verfahren in einer aufwickelvorrichtung und eine aufwickelvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20031311A FI117429B (fi) 2003-09-15 2003-09-15 Menetelmä kiinnirullaimessa ja kiinnirullain
FI20031311 2003-09-15

Publications (1)

Publication Number Publication Date
WO2005026030A1 true WO2005026030A1 (fr) 2005-03-24

Family

ID=27838976

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2004/050133 WO2005026030A1 (fr) 2003-09-15 2004-09-14 Bobineuse et procede associe

Country Status (4)

Country Link
AT (1) AT504004B1 (fr)
DE (1) DE112004001693T5 (fr)
FI (1) FI117429B (fr)
WO (1) WO2005026030A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104960959A (zh) * 2015-06-17 2015-10-07 李卫民 一种针对染厂的散装匹布卷验机
WO2017190864A1 (fr) * 2016-05-04 2017-11-09 Valmet Aktiebolag Appareil d'enroulement d'une bande de matériau en papier et procédé d'élimination de poussière

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658504A2 (fr) * 1993-12-16 1995-06-21 Valmet Paper Machinery Inc. Procédé et dispositif d'enroulement d'une bande de papier ou de carton dans une enrouleuse à rouleau ou appareil équivalent
EP0860391A1 (fr) * 1997-02-13 1998-08-26 Valmet Corporation Dispositif d'enroulement et procédé pour enrouler des bandes de papier ou similaire
WO2000071453A1 (fr) * 1999-05-24 2000-11-30 Metso Paper, Inc. Procede et dispositif permettant d'engager l'extremite d'une bande dans un enrouleur de bande de papier
US20020060036A1 (en) * 2000-06-28 2002-05-23 Metso Paper Karlstad Ab Shortened layout from dryer to reel in tissue machine
WO2004033350A1 (fr) * 2002-10-04 2004-04-22 Kimberly-Clark Worldwide, Inc. Appareil et procede d'enroulement de papier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0658504A2 (fr) * 1993-12-16 1995-06-21 Valmet Paper Machinery Inc. Procédé et dispositif d'enroulement d'une bande de papier ou de carton dans une enrouleuse à rouleau ou appareil équivalent
EP0860391A1 (fr) * 1997-02-13 1998-08-26 Valmet Corporation Dispositif d'enroulement et procédé pour enrouler des bandes de papier ou similaire
WO2000071453A1 (fr) * 1999-05-24 2000-11-30 Metso Paper, Inc. Procede et dispositif permettant d'engager l'extremite d'une bande dans un enrouleur de bande de papier
US20020060036A1 (en) * 2000-06-28 2002-05-23 Metso Paper Karlstad Ab Shortened layout from dryer to reel in tissue machine
WO2004033350A1 (fr) * 2002-10-04 2004-04-22 Kimberly-Clark Worldwide, Inc. Appareil et procede d'enroulement de papier

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104960959A (zh) * 2015-06-17 2015-10-07 李卫民 一种针对染厂的散装匹布卷验机
WO2017190864A1 (fr) * 2016-05-04 2017-11-09 Valmet Aktiebolag Appareil d'enroulement d'une bande de matériau en papier et procédé d'élimination de poussière
CN109071138A (zh) * 2016-05-04 2018-12-21 维美德股份公司 用于卷绕纸质材料幅材的设备和去除灰尘的方法
US10364113B2 (en) 2016-05-04 2019-07-30 Valmet Aktiebolag Apparatus for winding a web of paper material and a method of removing dust

Also Published As

Publication number Publication date
AT504004B1 (de) 2008-06-15
FI20031311A0 (fi) 2003-09-15
FI20031311A (fi) 2005-03-16
DE112004001693T5 (de) 2006-07-13
FI117429B (fi) 2006-10-13
AT504004A1 (de) 2008-02-15

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