EP2266903A2 - Procédé d'enroulement et dispositif d'enroulement de rouleaux - Google Patents

Procédé d'enroulement et dispositif d'enroulement de rouleaux Download PDF

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Publication number
EP2266903A2
EP2266903A2 EP10161188A EP10161188A EP2266903A2 EP 2266903 A2 EP2266903 A2 EP 2266903A2 EP 10161188 A EP10161188 A EP 10161188A EP 10161188 A EP10161188 A EP 10161188A EP 2266903 A2 EP2266903 A2 EP 2266903A2
Authority
EP
European Patent Office
Prior art keywords
winding
sections
roll
roller
wound
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.)
Granted
Application number
EP10161188A
Other languages
German (de)
English (en)
Other versions
EP2266903A3 (fr
EP2266903B1 (fr
Inventor
Rolf Van Haag
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 EP2266903A2 publication Critical patent/EP2266903A2/fr
Publication of EP2266903A3 publication Critical patent/EP2266903A3/fr
Application granted granted Critical
Publication of EP2266903B1 publication Critical patent/EP2266903B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0233—Soft rolls
    • D21G1/024—Soft rolls formed from a plurality of compacted disc elements or from a spirally-wound 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
    • 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
    • B65H2301/414866—Winding slitting winding on two or more winding shafts simultaneously on bed rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/43—Rider roll construction
    • B65H2404/431—Rider roll construction involving several segments in axial direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • B65H2601/5242—Vibration by using mass damper

Definitions

  • the invention relates to a method for winding at least one roll in a roll winding device with a rest on a bobbin arrangement support roller, which is divided into several sections in the axial direction, wherein the individual sections act to form a printing direction on the at least one roll to be wound.
  • the invention further relates to a reel-winding apparatus having a support roller which can be placed on a winding reel assembly, which is divided into several sections in the axial direction, the centers of which are arranged on a common origin plane which also extends through the center of the at least one reel to be wound, in particular its reeling core.
  • Paper webs are produced in relatively large widths of up to more than 11 m in a paper machine.
  • the production is almost endless.
  • the machine direction of the paper machine defines the longitudinal direction for all machines and devices located in the paper factory and the transverse direction perpendicular thereto in the horizontal plane.
  • the longitudinal direction X-direction, the transverse direction as Y-direction and the plane spanned by these two directions are further perpendicular at suitable points standing height direction referred to as Z-direction.
  • the paper web produced is wound in full width onto a winding core. This winding core is replaced cyclically, usually during production.
  • the resulting web-wide winding is commonly referred to as mother roll.
  • the paper web wound on a mother roll has to be cut into a plurality of parallel partial webs whose widths are suitable for the respective later user. These widths can vary greatly from case to case, so that the division of the paper web is usually made according to an individually definable pattern.
  • the partial webs are then wound into so-called partial web or finished rolls and issued together as a so-called roll throw.
  • the pattern can be changed from roll throw to roll throw.
  • slitter which is generally referred to for the purposes of the present application as a reel winder, since for example in the pure rewinding of a parent roll, without format changes at least a portion of the possible winding problems can occur.
  • a reel winding device consists of a unwinding device, a cutting section and a roll-up device, wherein the cutting section has a number of mostly disk-shaped cutters adapted to the possible pitches.
  • Characteristic of the roll carrier type is a retractor, in which the entire roll throw in a winding bed, which consists of two Carrier rollers is wound on winding tubes.
  • the winding cores of the roll throw can be held by means of tensioning or guiding heads or, in more rare cases, by winding shafts inserted into the cores.
  • the rolls are wound up together, as a complete throw. As a rule, this is done by means of a circumferential winding, for which purpose at least one of the two support rollers can be driven. If a winding shaft is used, a center winding or a combination of both can also take place.
  • each individual roll to be wound is wound in a separate winding station.
  • the rollers are supported during the winding process on a support roller.
  • the Railbahn designed rolls are wound in their winding stations on cores, which are each held by an imported pair Spannbattingmaschine guide heads.
  • the rollers are driven either via these clamping or guide heads with center winding or on the at least one support roller with circumferential winding or combined.
  • Both machine types generally use additional pinch rollers that provide a desired amount of winding hardness in the initial stages of each winding.
  • the type specification of the reel winders to be used is usually dependent on the type of paper to be produced and the desired winding quality. Regardless of this, the operator of a paper mill faces another, fundamental problem: To ensure competitiveness and to achieve high productivity, efforts are made to achieve high production speeds to reach. In this case, all facilities or machines located in the production chain of a paper factory have to be oriented to the production speed predetermined by the paper machine. Since a paper machine, apart from failure cases, works continuously, it is difficult for a discontinuous roll winder to follow the speed provided, since set-up, acceleration and deceleration times occur relatively frequently in accordance with the task of size reduction and therefore only by significantly higher production speeds are to be compensated.
  • the winding to be produced hardly assumes an ideal round shape. Small winding errors, for example, due to slight profile fluctuations of the paper web to be wound, add up with each full wrapping. Due to the periodic recurrence of the respective winding defects of the rotating coil, vibrations of corresponding frequency are formed depending on its circumference and peripheral speed.
  • the excitation frequency is always greater (with increasing peripheral speed, the same position of the winding more and more often passes through the same winding gap) and the exciter amplitude is increasingly violent (at the same time as its winding diameter and its unevenness and the effective weight increases).
  • the probability increases greatly that form during this complex process vibrations that are suitable (via integer harmonics) to form resonances with the winding rollers of the winding machine, which to a violent, sometimes rapid "rocking" of the entire machine can lead.
  • reels can be ejected from the winding bed.
  • the forming roll assumes the state of an anisotropic rotor.
  • the reason for this are transverse profile fluctuations of the paper web, which add up with each wrapping. It can then come with each revolution also contact losses or at least different line loads. Paper-technological correlations, such as compressibility or coefficient of friction of the web, then lead to inhomogeneous roles.
  • the invention is therefore based on the object of further developing a method and a device for winding a material web on a winding roll in such a way that is to a large extent individually adapted to the required winding needs.
  • the conditions in the winding area are to be stabilized.
  • the object is achieved in that the printing direction of all individual sections at the beginning of the winding process substantially coincides and in the course of the winding process, the printing direction of at least two sections at least temporarily different from each other.
  • a paper web can be treated in such a way that the influence of the pressure roller on the entire winding system is continuously adapted to the individual requirements of the role that is constantly changing in order to form a finished roll in the winding process.
  • the at least two sections acting with different directions of pressure can act on the winding process in a stabilizing and calming manner, that is to say damping.
  • the change in the pressure direction of the at least one section is made free from any influence on the winding speed.
  • the change in the printing direction of the at least one section is made with at least largely maintaining the desired winding speed course.
  • this also means that, for example, in an acceleration phase during the change in the printing direction of one or more sections with the same or at least similar acceleration can continue to act on the winding speed.
  • Such a method is used particularly advantageously in a carrier roll winding device, since a stabilizing effect here, out of contexts described above, is of far greater importance.
  • a back-up roll winding apparatus the rolls to be wound are in fact treated in their own winding stations and are guided to a much greater extent.
  • At least one section for forming different directions of pressure, with or against the winding direction is deflected along the circumference of the at least one roller growing in diameter during the course of the winding process.
  • the sections can also be advantageous, inter alia, if the sections have covers. In special cases, it may be advantageous for the covers to have different coefficients of friction.
  • the rolls to be wound can be treated particularly uniformly. If the sections are alternately deflected with and against the material direction, an ideal support effect can be achieved. For this purpose, it is particularly useful if the axial length of the sections is selected such that each roll to be wound of at least two sections, that is always supported on both sides.
  • the origin plane is perpendicular to the center of the roll to be wound or inclined at an angle to the normal or the origin plane is curved.
  • the origin plane is perpendicular to the center when the (imaginary) soul, in which the individual sections are at least at the beginning of the winding process, is moved vertically above the growing roll. If the soul moves at a defined angle to the vertical, the origin plane is inclined, the soul follows a defined or changing circular path, the origin plane is curved.
  • the object of the invention is achieved in that at least a portion of the sections are storable from their original plane.
  • the centers of all individual sections are therefore arranged in particular at the beginning of winding on a common origin plane (small deviations can also be disregarded here), the origin also through the center of at least one roll to be wound, in particular their winding core runs and characterized in that, in particular during the winding process at least a portion of the common origin plane is auslagerbar.
  • the winding process can be stabilized and calmed, in particular by the at least two sections acting with different pressure directions, that is to say dampenable.
  • the device is used particularly advantageously in a carrier roll winding device, since a particularly high effective proportion can be achieved here.
  • At least two sections can be replaced synchronously or differently according to amount and / or direction.
  • the rolls to be wound are treated evenly.
  • a broader range of applications can occasionally be covered by individual outsourcing.
  • an ideal support effect can be achieved.
  • it is particularly useful if the axial length of the sections is set such that each of the rolls to be wound of at least two sections, so always on both sides, is supported.
  • the compressive force of at least one section is individually adjustable, in particular controllable / controllable.
  • different winding influences are particularly well compensated.
  • vibration movements and eccentric winding structures can be effectively suppressed.
  • too pronounced J lines are avoidable.
  • At least one section is passive or actively dampable.
  • At least a portion of the individual sections via coupling elements individually coupled to each other.
  • the device is particularly well adaptable to different cutting patterns or roll widths.
  • the device is particularly well adaptable to different cutting patterns or roll widths.
  • a corresponding guide can be exemplified, but not exhaustive, realized from cars with transverse guides, grid box, electromagnetic Leitkonstrutationen or housing designs.
  • the device is pivotally connected to a lever construction, or can be guided in a guide.
  • a lever construction or can be guided in a guide.
  • the device has a control / regulation, under the use of which the sections can be handled individually, in groups or together.
  • control / regulation of the deflection of the individual sections is coupled to the control / regulation of the deflection of the entire support roller and may preferably form a structural unit. It is particularly preferred if the control / regulation also corresponds to the overall control / overall control of the reel winder.
  • sensors are provided for detecting roll and machine parameters.
  • these parameters for a roll can refer to their variety, width, surface coefficients or diameter.
  • the corresponding parameters can be formed in particular from the winding speed and occurring vibrations.
  • FIGS. 1 to 5 illustrated preferred embodiment of a roll winding device 1 is realized in connection with a carrier roll winding device having a winding assembly 2 in the region of its winding.
  • the winding arrangement 2 has two support rollers 14, of which at least one is drivable.
  • both support rollers 14 are driven and are connected via a common control in connection. It has proven useful if, in the running direction of the material web M, in particular the paper web, first support roller 14 speed-controlled and the second support roller 14 is torque-controlled. Also, an elastic mounting of a support roller is conceivable.
  • the axes 18 of the support rollers 14 may be mounted at different height levels in the z direction.
  • the support rollers 14 may have different diameters.
  • At least one of the two carrier rollers 14 may also have a coating or casing which becomes effective on the material web M, while, for example, the other carrier roller 14 is designed as a steel roller.
  • at least one of the support rollers 14 may have a passive or active damping or a repayment element.
  • the at least one roll to be wound 9 and the support roller 3 form essential elements of the FIGS. 2 to 4 winding arrangement 2 shown in more detail.
  • the support roller 3 is divided into several, extending over the winding width, sections 4.
  • the individual sections 4 are arranged movably on a device 11 designed as a traverse, with which the support roller 3 can also form a structural unit.
  • the device 11 has a number of mechanically formed guides 12 adapted to the number of existing sections 4.
  • electromagnetic guide structures can be provided over which the individual sections 4 are inductively feasible.
  • FIG. 2 is the winding assembly 2 in the initial stage of the winding process. Only a few layers of the paper web M have formed around the winding cores 10 of the rolls 9 which are arranged in succession in the y-direction and are to be produced.
  • the longitudinal axes 6, or the centers 5, the individual sections 4 of the support roller 3 also form in this initial stage common escape in the y-direction, while the sections 4 press the forming rollers 9 to achieve a desired winding hardness course in the formed from the two support rollers 14 winding bed inside.
  • the sections 4 of the support roller 3 must dive quite deep into the winding bed in this initial phase of the winding process.
  • the sections 4 are auslagerbar. This ensures - apart from short-term contact losses - that the number of sections 4 in web contact always remains the same over the entire winding process or decreases. In this way, winding results of the highest quality can be produced. Also, a touchdown once removed sections 4 is conceivable, but useful in the fewest cases.
  • the forming rollers 9 grow in diameter D with each revolution. At the beginning of the winding process, the diameter D and thus also the circumference U of the forming rollers is relatively small. Thus, the forming rollers 9 in the initial stage of the winding process so also undergo a dramatic increase in diameter when the support rollers 14 of the winding assembly 2 are still in the acceleration phase.
  • At a later time of the winding process when the respective weight of the forming rollers 9 has reached a value which does not require a further increase in the nip forces in terms of load, at least one section 4 will be removed from the original one joint flight of their centers 5 deflected. It is conceivable that different sections 4 are deflected at different times. It is also conceivable that several sections 4 are moved simultaneously. The respective maximum deflection, a single section 4 can then each continuously or discontinuously reach. Also, the individual sections 4 can be deflected at the same or different relative speeds.
  • deflection of individual sections can be in deflection amount AB and / or in deflection direction AR or can differ from one another in at least one of these parameters.
  • At least one section 4 then exerts its pressure force DK on the respective roller 9 under a different printing direction DR, so that at least two different printing directions DR become effective simultaneously in the winding process.
  • several sections 4 or even all sections 4 are deflected.
  • the individual sections 4 can be effective at the same time of the winding process in more than two directions of printing DR.
  • the in their relative position by means of or provided in the device 11 guides 12 differently deflectable sections 4 can also learn a change in position by a movement of the device 11 and in particular the entire platen roller 3. This is usually the case already because the support roller 3 has to dodge according to the increase in the diameter D of the forming rollers 9 in the z direction.
  • the support roller 3 moves within an original plane 7, which can be perpendicular to the winding bed in the z-direction and also accommodates the centers 8 of the rollers 9 to be wound.
  • the origin plane 7 may also, as in FIG. 1 describe a waveform or can at an angle ⁇ to the z-direction be inclined.
  • the relative position of the device 11 to the rollers 9 to be wound along a vertical and / or at least one radial guide 19 is movable.
  • the respective sections 4 can at least temporarily also apply different strong compressive forces DK, so that there is still a further degree of freedom in the treatment of the paper web M.
  • FIG. 4 This is in FIG. 4 indicated by different size arrows.
  • the pressure direction DR and the pressure force DK of the individual sections 4, which are associated with the deflection amount AB and the deflection direction AR, can also be adjusted again in the further course of the winding process. For example, it is conceivable that in the advanced winding process temporarily a particularly vibration-prone process section occurs.
  • the sections 4 can then take, for example, a particularly stabilizing formation. After overcoming this particularly critical process section, for example, in preparation for a subsequent change of set, ie a new Anwickelvorgang, the individual sections 4 can be moved towards each other again or even completely merged to re-education of a common escape of their centers 5. This can help to minimize the required set change times.
  • FIG. 4 an embodiment is shown which allows a synchronous movement of the individual sections 4 particularly well.
  • the sections 4 are alternately moved in the winding direction WR and counter to the winding direction - WR, so that the deflection amounts AB always the same, while the Deflection directions AR alternate from section 4 to section 4.
  • the widths, that is to say the extent in the y direction, of the sections 4 are advantageously chosen so that even the smallest possible roller width is supported on both sides.
  • FIG. 5 To FIG. 5 are the individual sections 4 to along their longitudinal axes 6, ie in the y direction, movable.
  • the individual sections 4 can be detachably or permanently connected to the adjusting device 16.
  • the individual sections 4 have internal drives 17. Thus, its outer shape is very compact and the weight of the respective drive 17 is advantageously in the weight of the individual section 4 a. Furthermore, the front sides of the sections 4 are freely accessible in this way and on the one hand enable a very dense arrangement of the individual sections 4 in the y-direction. On the other hand, a high freedom of design for the construction of possibly envisaged coupling elements 15 remains open. Along its longitudinal axis 6 movable and / or detachable sections 4 allow the operator of a roll winding device 1 particularly well to be able to cope with the possibly changing from roll to roll roll pattern editing.
  • control / regulation 13 is provided, which is used for handling of the pressure roller 3 and in particular their sections 4 and the device 11 related processes. This also includes control processes that serve for active damping or vibration damping on at least one section 4.
  • a passive damping at least one of the sections 4 may be provided.
  • Such a passive damping can operate detached from an active control, but the control / regulation 13, for example, serve as a signal generator.
  • the control / regulation 13 can be in order to fulfill their tasks with suitable sensors for data acquisition in combination.
  • a wireless connection is indicated by three wave sections.
  • a conductor connection may also be provided.

Landscapes

  • Winding Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
EP20100161188 2009-06-24 2010-04-27 Procédé d'enroulement et dispositif d'enroulement de rouleaux Not-in-force EP2266903B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910027141 DE102009027141A1 (de) 2009-06-24 2009-06-24 Wickelverfahren und Rollenwickelvorrichtung

Publications (3)

Publication Number Publication Date
EP2266903A2 true EP2266903A2 (fr) 2010-12-29
EP2266903A3 EP2266903A3 (fr) 2011-09-07
EP2266903B1 EP2266903B1 (fr) 2013-03-20

Family

ID=42677931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100161188 Not-in-force EP2266903B1 (fr) 2009-06-24 2010-04-27 Procédé d'enroulement et dispositif d'enroulement de rouleaux

Country Status (2)

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EP (1) EP2266903B1 (fr)
DE (1) DE102009027141A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2777916B1 (fr) 2013-03-14 2016-11-30 Bell Helicopter Textron Inc. Procédé d'enroulement de couches multiples en matière composite et dispositif ainsi obtenu
US10829328B2 (en) * 2017-03-29 2020-11-10 Futura S.P.A. Machine and process for the production of logs of paper material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180216A (en) * 1978-04-12 1979-12-25 Beloit Corporation Winder with horizontal rider roll adjustment
DE29613350U1 (de) * 1996-08-05 1997-12-04 Beloit Technologies, Inc., Wilmington, Del. Belastungswalzenanordnung
US5878975A (en) * 1997-12-02 1999-03-09 Beloit Technologies, Inc. Winder rider roll assembly
DE10036306B4 (de) * 2000-07-26 2006-03-30 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum gleichzeitigen Wickeln von mehreren Teilbahnen zu Teilbahnrollen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2777916B1 (fr) 2013-03-14 2016-11-30 Bell Helicopter Textron Inc. Procédé d'enroulement de couches multiples en matière composite et dispositif ainsi obtenu
US10829328B2 (en) * 2017-03-29 2020-11-10 Futura S.P.A. Machine and process for the production of logs of paper material

Also Published As

Publication number Publication date
EP2266903A3 (fr) 2011-09-07
DE102009027141A1 (de) 2010-12-30
EP2266903B1 (fr) 2013-03-20

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