EP3828110A1 - Umroller und verfahren zum umrollen von faserbahnen - Google Patents

Umroller und verfahren zum umrollen von faserbahnen Download PDF

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Publication number
EP3828110A1
EP3828110A1 EP20203993.9A EP20203993A EP3828110A1 EP 3828110 A1 EP3828110 A1 EP 3828110A1 EP 20203993 A EP20203993 A EP 20203993A EP 3828110 A1 EP3828110 A1 EP 3828110A1
Authority
EP
European Patent Office
Prior art keywords
reeling
reeler
rereeler
partial
reel
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.)
Pending
Application number
EP20203993.9A
Other languages
English (en)
French (fr)
Inventor
Jorma Kinnunen
Tuomas Ratilainen
Jaakko Haapanen
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.)
Valmet Technologies Oy
Original Assignee
Valmet Technologies Oy
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 Valmet Technologies Oy filed Critical Valmet Technologies Oy
Publication of EP3828110A1 publication Critical patent/EP3828110A1/de
Pending 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
    • 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
    • B65H18/145—Reel-to-reel type web winding and unwinding mechanisms
    • 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
    • B65H18/16—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction 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
    • B65H2301/413—Supporting web roll
    • B65H2301/4135—Movable supporting means
    • B65H2301/41352—Movable supporting means moving on linear path (including linear slot arrangement)
    • 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
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414863—Winding slitting winding on two or more winding shafts simultaneously directly against central support 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
    • B65H2301/4148—Winding slitting
    • B65H2301/4149—Winding slitting features concerning supply of cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/177—Fibrous or compressible 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
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines

Definitions

  • present invention relates to production of fiber webs. More especially the present invention relates to a rereeler according to preamble part of the independent rereeler claim and to method for rereeling fiber webs according to preamble part of the independent method claim.
  • a typical production and treatment line comprises a head box, a wire section and a press section as well as a subsequent drying section and a reel-up.
  • the production and treatment line can further comprise other sections and devices for finishing the fiber web, for example a sizer, a coating device and a calender.
  • the production and treatment line also typically comprises at least one slitter-winder for forming customer rolls as well as a roll packaging apparatus.
  • fiber webs such as paper or board webs, are manufactured in machines together forming a fiber web manufacturing line, which may be hundreds of meters long.
  • the sections and devices for finishing the fiber web can be arranged in the production and treatment line on-line or off-line.
  • the slitter-winder/-s for forming customer rolls can also by arranged on-line or off-line in the production and treatment line.
  • manufacturing operates as a continuous process and the process is generally run with constant speed and with constant basis weight, when producing selected fiber web grade.
  • the finished fiber web being output from the machine is reeled with a reel-up around a reeling shaft, i.e. a reel spool, into a parent roll (a machine roll), the diameter of which may be more than 5 meters, and which may weigh more than 160 tons.
  • the purpose of the reeling is to transfer the fiber web from its planar manufacturing form into a form in which it can be handled more easily.
  • the reel-up is thus a device that reel a material, which is produced as a continuous fiber web in a fiber web method, into form of a roll; the parent roll.
  • the reeling is generally a first process part, wherein a continuous process is discontinued to be continued in sequences.
  • the parent roll is formed around a reel spool, i.e. a reeling shaft that functions as a core of reeling, i.e. the fiber web on one parent roll around one reeling shaft has a beginning and an end.
  • rereelers are used to produce a good and continuous parent roll for next production or treatment stage, typically in connection with an off-line section of device of the production and treatment line of fiber webs.
  • Rereelers are also used for splicing, in case in earlier stages web breaks has occurred, for patching holes, for cutting edges to eliminate possible defects in edge areas and/or for providing a uniform width of the fiber web, for joining two or more smaller parent rolls to create one bigger parent roll. Due to the nature of use the rereeler may be stopped and started several times during rereeling of one parent roll.
  • a rereeler for reeling fiber web comprising an unwinder, a reel spool storage, a spreader roll, a reeler, which reeler comprises a reeling cylinder forming a reeling nip with the parent roll to be reeled.
  • the reeling cylinder of the reel-up comprises at least two positions in vertical direction, of which positions one is a reeling position, in which the reeling cylinder forms the reeling nip with the parent roll to be reeled and the rereeler comprises an edge-cutting unit.
  • the fiber web of the parent roll generated during manufacture is full-width and even more than 100 km long and in production of fiber webs sometimes exists a need to provide a narrower parent roll for further treatment of the fiber web, especially during finishing of the fiber web in off-line sections and/or devices of the production and treatment line.
  • An object of the invention is to provide a solution to this need.
  • An object of the invention is to create a rereeler and a method for rereeling fiber webs, in which the disadvantages and problems of prior art are eliminated or at least minimized.
  • a particular object of the invention is to create a rereeler and a method for rereeling fiber webs, in which from a full-width parent roll narrower parent rolls are provided.
  • the rereeler according to the invention is mainly characterized by the features of the characterizing clause of the independent rereeler claim and the method for rereeling fiber webs according to the invention is mainly characterized by the features of the characterizing clause of the independent method claim.
  • Advantageous embodiments and features are disclosed in the dependent claims.
  • the rereeler comprises an unwinder for unwinding a fiber web from a parent roll on a reel spool and a reeler for reeling the fiber web, wherein the rereeler further comprises a slitting section located between the unwinder and the reeler for slitting the fiber web before the reeling in the reeler to at least two partial fiber webs, the reeler comprises a reeling cylinder and reel spools, the reeling cylinder is configured to form reeling nips on the reeling cylinder with partial parent rolls to be reeled around the reel spools.
  • At least one reeling nip is formed on each side of the reeling cylinder.
  • the rereeler is configured to slit the fiber web unwound from the parent roll on the reel spool provided with a clutch in the unwinder in the slitting section to the at least two partial fiber webs, the partial fiber webs are reeled in the reeler to partial parent rolls around the reel spools provided with coupling parts, which connect to transfer and reeling arms, on the two sides of the reeling cylinder of the reeler.
  • the slitting section comprises slitting blades and the slitting section is located in immediate vicinity of the reeling cylinder of the reeler so that the run from slitting blades of the slitting section to the reeling nip on the reeling cylinder is not more than 2 m.
  • positions of slitting blades in cross-direction of the rereeler are automatically adjustable.
  • wrap angle around the reeling cylinder to each reel spool is at least 90 °.
  • total length of the reel spools of the reeler is substantially longer than length of the reel spool of the unwinder.
  • the reeler comprises reeling frames configured to provide the reeling frames a cross-movement, i.e. in cross direction in view of the main running direction of the fiber web i.e. in view of the machine direction, such, that position of the partial fiber webs on the corresponding reel spools is adjustable.
  • reeling frames are provided by linear bearing structure for the cross-movement.
  • the rereeler is located on a base foundation and the rereeler comprises support frames to support the reel spools of the unwinder and the finished partial parent rolls in the reeler support frames.
  • the rereeler comprises a reel spool storage located in connection with the reeler for providing the reeler with reel spools.
  • a fiber web is unwound from a parent roll on a reel spool in an unwinder and reeled in a reeler with a reeling cylinder, wherein the fiber web is slitted to at least two partial fiber webs in a slitting section located between the unwinding and the reeling, that the slitted, partial fiber webs are reeled in the reeler by reeling nips formed on the reeling cylinder with partial parent rolls to be reeled around reel spools.
  • the partial parent rolls are reeled around the reel spools by reeling nips, of which at least two reeling nips are located on opposite sides the reeling cylinder.
  • the partial parent rolls are moved on the reeling frames by means of the transfer and reeling arms or carts to adjust reeling nip load and to carry out the rereeling.
  • in the reeler position of the partial fiber webs on the corresponding reel spools is adjustable by a cross-movement of reeling frames.
  • three partial parent rolls are reeled and one partial parent roll is on the side of the unwinder in respect of the reeling cylinder and two partial parent rolls are on the other side of the reeling cylinder.
  • the rereeler is provided with edge cutting means for cutting edge trimmings.
  • the rereeler is provided with middle cutting means for cutting middle trimming.
  • the invention provided a solution to the need for a narrower parent roll for further treatment of the fiber web, especially during finishing of the fiber web in off-line sections and/or devices of the production and treatment line.
  • the invention and its advantageous features provides for the possibility of using off-line finishing and/or treatment sections and devices for narrower fiber webs.
  • the whole production of the production line does not need to produce same fiber web grade, but instead different grades can be produced from the partial parent rolls. Also, investment costs are then decreased. Therefore, the invention is very suitable for example in connection with production of special fiber grades.
  • the rereeler 50 which comprises an unwinder 10, a slitting section 20 with slitter blades 21, 22, a reeler 30, which reeler comprises a reeling cylinder 36 forming a reeling nip with parent rolls 31A, 31B to be reeled around the reel spools 32A, 32B with coupling parts 33A, 33B.
  • the rereeler 50 advantageously also comprises a reel spool storage 40 as shown in figure 4 .
  • the rereeler 50 is located on a base foundation 51 and to support reel spools 12 of the unwinder 10 and the finished partial parent rolls 31A, 31B in the reeler 30 support frames 14, 38A, 38B are provided.
  • the reel spools 32A, 32B of the reeler 30 and the partial parent rolls under reeling in the reeler 30 are supported on to reeling frames 34A, 34B.
  • the base foundation 51 is provided with a space 53 within the base foundation 51.
  • the base foundation 51 also comprises support beam and/or plate structures 52 for providing further support to the parts of and the rereeler 50.
  • the support frames 14, 34A, 34B, and reeling frames 38A, 38B form support rails for movements of the reel spools 12 of the unwinder 10, the reel spools 32A, 32B of the reeler 30 and the parent roll 12 in the unwinder 10 and the partial parent rolls 31A, 31B in the reeler 30.
  • the operator of the rereeler is in the figures indicated by reference sign OP.
  • the fiber web W is unwound in the unwinder 10 from the reel spool 12.
  • the reel spool 12 comprises a clutch 13 to be connected to the drive 15 of the unwinder 10.
  • the fiber web is guided to the slitting section 20 to be slitted to at least two partial fiber webs, in the example of the figures to three partial fiber webs, between the slitting blades 21, 22.
  • the slitting section 20 comprises slitting blades 21, 22 in accordance with the need of partial fiber webs. Positions of slitting blades 21, 22 in cross-direction of the rereeler 50 are automatically adjustable.
  • the slitting section 20 is located in immediate vicinity of the reeling cylinder 36 of the reeler 30 so that the run from the slitting blades to the reeling nip on the reeling cylinder 36 is not more than 2 m.
  • the partial fiber webs are reeled around the reel spools 32A, 32B to partial parent rolls 31A, 31B by means of reeling nips formed between the reeling cylinder 36 of the reeler 30 and the partial parent rolls 31A, 31B under reeling.
  • the partial parent rolls 31A, 31B are reeled on two positions on both sides A, B of the reeling cylinder 36 around the reel spools 32A, 32B correspondingly.
  • the partial parent rolls 31A, 31B are moved on the reeling frames 38A, 38B by means of the transfer and reeling arms or carts 35A, 35B or corresponding transfer means to adjust reeling nip load and to carry out the rereeling.
  • the reel spools 32A, 32B are provided with coupling means 33A, 33B, which connect to the transfer and reeling arms 35A, 35B, correspondingly.
  • the reeling frames 34A, 34B are configured to provide reeling frames 34A, 34B with a cross-movement such, that the partial fiber web W can be located in the middle of the corresponding reel spool 32A, 32B, when widths of the partial fiber webs change and they are attached by linear bearing structure 37A, 37B providing the cross-movement to the upper surface of the base foundation 51 i.e. to the floor structure.
  • the empty reel spool 12 is moved to a storage position to be transferred to a reel-up for reeling of a new parent roll 11.
  • the fiber web W is guided from the unwinder 10 downward and via the space within the base foundation 51 by guide rolls.
  • the run of the fiber web is turned upwards as the slitting section 20 approaches and then the fiber web is guided through the slitting section 20 to be slitted to partial fiber web and to the reeler 30 to be reeled to the partial parent rolls 31A, 31B.
  • the rereeler 50 is configured to divide a wide fiber web W from the parent roll 11 on the reel spool 12 provided with the clutch 13 in the slitting section 20 to at least two partial fiber webs, which are reeled in the reeler 30 to partial parent rolls 31A, 31B around the reel spools 32A, 32B provided with coupling parts 33A, 33B on two sides A, B of the reeling cylinder 36 of the reeler 30.
  • the wrap angle around the reeling cylinder 36 to each reel spool 32A, 32B is at least 90 ° and in the reeler 30 total length of the reel spools 32A, 32B is substantially longer than length of the reel spool 12 of the unwinder 10.
  • a reel spool storage 40 is located in connection with the reeler 30 of the rereeler 50 for providing the reeler 30 with reel spools 32A, 32B.
  • the reel spool storage comprises a vertically extending beam 41 to provide an upper storage facility for the reel spools 32.
  • the beam 41 is provided with a vertically moving arm 42 for moving the reel spools 32 from the storage to the reeler 30 as shown by the arrow Y to be transferred to the reeling frames 34A, 34B.

Landscapes

  • Replacement Of Web Rolls (AREA)
EP20203993.9A 2019-11-27 2020-10-27 Umroller und verfahren zum umrollen von faserbahnen Pending EP3828110A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20196019A FI129160B (en) 2019-11-27 2019-11-27 Intermediate roll and method for intermediate rolling of fibrous webs

Publications (1)

Publication Number Publication Date
EP3828110A1 true EP3828110A1 (de) 2021-06-02

Family

ID=73029863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20203993.9A Pending EP3828110A1 (de) 2019-11-27 2020-10-27 Umroller und verfahren zum umrollen von faserbahnen

Country Status (2)

Country Link
EP (1) EP3828110A1 (de)
FI (1) FI129160B (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383064A (en) * 1966-01-17 1968-05-14 Beloit Eastern Corp Rewinder for paper and the like
US5360180A (en) * 1992-06-13 1994-11-01 Jagenberg Aktiengesellschaft Roll-support system for paper-winding machine
DE4424848A1 (de) * 1994-07-14 1996-01-18 Jagenberg Papiertech Gmbh Wickelmaschine zum Aufwickeln von Materialbahnen, insbesondere Papier- oder Kartonbahnen
EP1571109A1 (de) * 2004-03-01 2005-09-07 Andritz Tissue Inc. Spulenkernspeicher und -ladevorrichtung sowie Verfahren
EP2184243A2 (de) * 2008-11-06 2010-05-12 Voith Patent GmbH Verfahren zur Wicklung von Materialbahnen und Vorrichtung zur Durchführung des Verfahrens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383064A (en) * 1966-01-17 1968-05-14 Beloit Eastern Corp Rewinder for paper and the like
US5360180A (en) * 1992-06-13 1994-11-01 Jagenberg Aktiengesellschaft Roll-support system for paper-winding machine
DE4424848A1 (de) * 1994-07-14 1996-01-18 Jagenberg Papiertech Gmbh Wickelmaschine zum Aufwickeln von Materialbahnen, insbesondere Papier- oder Kartonbahnen
EP1571109A1 (de) * 2004-03-01 2005-09-07 Andritz Tissue Inc. Spulenkernspeicher und -ladevorrichtung sowie Verfahren
EP2184243A2 (de) * 2008-11-06 2010-05-12 Voith Patent GmbH Verfahren zur Wicklung von Materialbahnen und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
FI129160B (en) 2021-08-13
FI20196019A1 (en) 2021-05-28

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