WO2014170043A1 - Dispositif de bobinage de bandes de matière fibreuse - Google Patents

Dispositif de bobinage de bandes de matière fibreuse Download PDF

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Publication number
WO2014170043A1
WO2014170043A1 PCT/EP2014/052629 EP2014052629W WO2014170043A1 WO 2014170043 A1 WO2014170043 A1 WO 2014170043A1 EP 2014052629 W EP2014052629 W EP 2014052629W WO 2014170043 A1 WO2014170043 A1 WO 2014170043A1
Authority
WO
WIPO (PCT)
Prior art keywords
web
winding device
guide means
winding
guide
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.)
Ceased
Application number
PCT/EP2014/052629
Other languages
German (de)
English (en)
Inventor
Lars KRÜGER
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 WO2014170043A1 publication Critical patent/WO2014170043A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/28—Registering, tensioning, smoothing or guiding webs longitudinally by longitudinally-extending strips, tubes, plates, or wires
    • 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
    • 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
    • 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
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/51—Cross section, i.e. section perpendicular to the direction of displacement
    • B65H2404/513—Cross section, i.e. section perpendicular to the direction of displacement with limited number of active areas
    • 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
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/54—Surface including rotary elements, e.g. balls or 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
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
    • B65H2404/612—Longitudinally-extending strips, tubes, plates, or wires and shaped for curvilinear transport path
    • 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
    • B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
    • B65H2404/74—Guiding means
    • B65H2404/743—Guiding means for guiding longitudinally
    • B65H2404/7431—Guiding means for guiding longitudinally along a curved path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/111—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along a curved path, e.g. fluidised turning bar
    • 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

  • the invention relates to a winding device for at least one
  • Fiber web in particular a paper or board web
  • a feeding station in particular an unwinding station for a
  • At least one guide means by which at least temporarily and / or at least partially the web running path is determined.
  • Paper webs are produced in relatively large widths of up to more than 1 1 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 is referred to as MD (Main Direction) and the transverse direction as CD (Cross Direction) at suitable points.
  • MD Main Direction
  • CD Cross 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-width winding roll is commonly referred to as mother roll or full tambour.
  • the wound on a mother roll paper web must be cut into several 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 winding rolls, which are called Railbahn- or finished rolling and are issued together as a so-called roll throw.
  • the pattern can be changed from roll throw to roll throw.
  • the slitting and winding is conveniently carried out in a single machine, which is then often referred to as a slitter.
  • winding devices described above that is to say those for producing master rolls and those for producing partial webs or finished rolls, have in common that the web to be wound up to form a wound roll forms a winding nip with at least one winding roll on which it rests or against which it is attached. or rests and which is accordingly referred to as a support or support roller.
  • These winding rollers which are in direct contact with the forming winding rollers, thus also constitute the directly acting tools by means of which the winding quality can be influenced.
  • the understanding of winding quality is determined from the perspective of the customer and today defined by numerous objective and subjective parameters. Simply speaking, the paper webs unwound from the finished rolls should be able to be processed without interruption and good printing results to be achieved.
  • FIG. 2 represents the state of the art.
  • the invention is therefore based on the object, a device for winding a web on a winding roll such
  • the conducting means a
  • Web run path section defined with a radius of curvature and the web is there at least partially without contact with the guide means feasible.
  • the inventors have recognized that in a slightly curved
  • sectional may refer to both the CD and MD directions, ie, sections of the web in which it is not directly supported.
  • supply station is intended to mean a
  • the guiding means predetermines a curved web running path for the web.
  • the curvature may well be composed of many short straight sections, similar to the partial circumference of a polygon.
  • the web travel path section in the vicinity of the guide means at least approximates a continuous curve whose
  • Radius of curvature greater than 300 mm, preferably greater than 650 mm, and less than 3000 mm is.
  • the curvature should be one
  • Radius of curvature is 3000 mm, so the stiffening loses again and the web behaves like a straight web track with free train. It is advantageous if the guide means is arranged between two guide rollers. As a result, feed position and discharge position are clearly defined by the guide means. Under a guide roller in this case, the support or support roller of a winding device to understand.
  • the winding device has a cutting section in front of the guide means in order to cut the fibrous web into at least two partial webs, each of which can be fed to its own winding position.
  • the conductive agent is particularly well suited to guide the partial webs without allowing the edges to flutter.
  • the partial webs also do not influence each other negatively in their course to the winding positions.
  • the guide means is narrower than the fibrous web or each partial web transversely to the web running direction. This allows you to react more quickly to changing web widths.
  • At least one guiding means is adjustable together with a longitudinal cutting blade.
  • the blade position defines the edge of the partial web. In many cases, it is sufficient if exactly this edge is guided by the guide means. With the adjustment of the conductive agent together with the knife, therefore, it is always ensured that the conductive agent is in the optimum position.
  • both mother roll-wide fibrous webs as well as cut part webs are subsumed under the term "web”.
  • a curvature arc of the web extends over a length of at least 1000 mm.
  • the web is then less stressed by less changing bending curves. This way you can possibly be bridged with only one guide the way from the cutting section to the winding position or a support roller. Or the arc of curvature extends unwinding station to the cutting section.
  • the conductive agent as
  • the guide means operates at least temporarily in the operation of the winding device without contact to the web. That is, the contact between the conductive agent and the web is not only partially erased on the surface, but also over a certain period of time. For example, Aufmolvorêt, winding sections on
  • the conducting means has a hydrodynamically acting surface design carrying the web. In this case it builds up For example, a stabilizing air cushion between the train and
  • the conductive agent has a surface roughness Ra below 1 ⁇ m. A roughness on this scale or below effectively prevents the web from being affected by friction.
  • the guide means may also be constructed so that it is formed by a plurality of guide rollers or guide rollers. The curvature is then provided polygonal. With such a design, at least 3 roller bars should be provided.
  • the guiding means and / or the counter-guiding means are formed from a combination of guide rollers and / or guide surfaces.
  • the guide means can be easily adapted in this way the space.
  • FIG. 1 shows a schematic, partially sectioned illustration of a winding device according to the invention
  • FIG. 2 shows a conducting means as known from the prior art
  • FIGS. 3a and 3b show a first embodiment of a conducting means and counter-guiding means according to the invention
  • FIG. 3a and 3b show a first embodiment of a conducting means and counter-guiding means according to the invention
  • Figure 4 shows a second embodiment of a conductive agent according to the invention.
  • the winding device 1 in FIG. 1 comprises a feed station 4 for a web 8 in the form of an unwinding station.
  • the unwound from an unwinding reel 5 8 passes through a cutting section 6, where it is cut by upper and lower knives (7a, 7b) in partial webs.
  • the webs pass through the gap 2a between two support rollers 14 on which they are wound in winding positions 2 around winding cores or sleeves 10 to take-up rollers 9.
  • the take-up rollers 9 form with the
  • Support rollers 14 each have a Auflageip 1 1, 12.
  • the take-up rollers 9 In order to keep the take-up rollers 9 safely in the winding bed, press one or more support rollers 3, which are arranged on a support roller carrier 3a, the
  • the webs 8 are cut and rolls to several take-up 9 are wound.
  • a single take-up reel 9 may be affected by the invention.
  • Winding roll 9 may be arranged. Rather, it can also be, for example, a laterally arranged contact roller, wherein the sleeves 10 of the take-up reel 9 are then centrally supported and driven.
  • the web 8 describes a web running path 18 which is defined by various guide means, for example the guide rollers 44.
  • the arc of curvature extends over a total MD length of over one meter.
  • the prior art knows as a guide means for the web usually only the guide rollers 44. These are also in front of and behind the
  • FIG. 2 illustrates symbolically once again this prior art.
  • the conductive agent shown by reference numeral 20 in Fig. 1 is used in the invention.
  • Embodiments of this conductive agent 20 represent the figures 3a and 3b and 4.
  • FIG. 3a An embodiment shows in three-dimensional representation of Fig. 3a and Fig. 3b. Between two guide rollers runs
  • Web running path section 18a In this, the path is curved, under an average radius of curvature R.
  • the sliding surfaces of the guiding means 20 and counter-guiding means 21 can also be designed so that hydrodynamically or hydrostatically an air cushion builds up between them and the web. These should be at least very smooth areas of the sliding surfaces, preferably below a Ra value of 1 ⁇ .
  • the guide means 20 or counter-guide means are optionally displaceable in a manner not shown together with an upper and / or upper blade of the cutting section in the CD direction. As can be seen in Fig. 4, as a conducting means 20 also several
  • Roll bars 22 may be provided. In this case, the desired curvature is generated by four of these roller bars 22. In the CD direction, several rollers are distributed on a common axis, over which the web is guided almost without friction.
  • Each of the guiding means 20 and counter-guiding means 21 can be advantageous as an insertion aid of a new
  • the curvature should be in the range of a radius of curvature of 300 to 3000 mm. With larger radii, the stiffening of the web edge is lost again, while smaller radii would require too many conductive agents.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un dispositif de bobinage d'au moins une bande de matière fibreuse (8), notamment une bande de papier ou de carton. Ledit dispositif comporte : un poste d'alimentation (4), notamment un poste de déroulement d'un rouleau (5) à dérouler, et au moins un poste de bobinage (2) d'un rouleau (9) à bobiner, un chemin de défilement (18) de la ou des bandes de matière fibreuse (8) entre le poste d'alimentation (4) et le poste de bobinage (2), et au moins un moyen de guidage permettant de déterminer au moins temporairement et/ou au moins partiellement le chemin de défilement de la bande. Selon l'invention, pour perfectionner le dispositif de façon à améliorer la structure de bobinage et en particulier stabiliser les conditions dans la zone de bobinage, les moyens de guidage (20) définissent une section de chemin de défilement de bande (18a) ayant un rayon de courbure R dans laquelle la bande (8) peut être guidée au moins en partie sans contact avec les moyens de guidage (20).
PCT/EP2014/052629 2013-04-16 2014-02-11 Dispositif de bobinage de bandes de matière fibreuse Ceased WO2014170043A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013206760.7 2013-04-16
DE102013206760 2013-04-16

Publications (1)

Publication Number Publication Date
WO2014170043A1 true WO2014170043A1 (fr) 2014-10-23

Family

ID=50097674

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/052629 Ceased WO2014170043A1 (fr) 2013-04-16 2014-02-11 Dispositif de bobinage de bandes de matière fibreuse

Country Status (1)

Country Link
WO (1) WO2014170043A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110745616A (zh) * 2019-11-08 2020-02-04 徐州汉裕铝业有限公司 一种覆膜铝卷的送料装置
CN111792415A (zh) * 2020-07-08 2020-10-20 河北恒星检测设备科技有限公司 收卷和剥离机构及纤维牵伸器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194662A (en) * 1978-08-28 1980-03-25 Molins Machine Company, Inc. Web director
EP0032875A2 (fr) * 1980-01-17 1981-07-29 Beloit Corporation Barre de guidage fixe pour bandes sous tension et assemblage utilisant de telles barres de guidage
US6004432A (en) * 1998-01-28 1999-12-21 Beloit Technologies, Inc. Sheet turn with vectored air supply
DE102005017788A1 (de) * 2005-04-14 2006-10-19 Voith Patent Gmbh Bahnleitelement
US20060288601A1 (en) * 2003-08-26 2006-12-28 Roland Mayer Web-guiding device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194662A (en) * 1978-08-28 1980-03-25 Molins Machine Company, Inc. Web director
EP0032875A2 (fr) * 1980-01-17 1981-07-29 Beloit Corporation Barre de guidage fixe pour bandes sous tension et assemblage utilisant de telles barres de guidage
US6004432A (en) * 1998-01-28 1999-12-21 Beloit Technologies, Inc. Sheet turn with vectored air supply
US20060288601A1 (en) * 2003-08-26 2006-12-28 Roland Mayer Web-guiding device
DE102005017788A1 (de) * 2005-04-14 2006-10-19 Voith Patent Gmbh Bahnleitelement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110745616A (zh) * 2019-11-08 2020-02-04 徐州汉裕铝业有限公司 一种覆膜铝卷的送料装置
CN111792415A (zh) * 2020-07-08 2020-10-20 河北恒星检测设备科技有限公司 收卷和剥离机构及纤维牵伸器
CN111792415B (zh) * 2020-07-08 2021-10-19 河北恒星检测设备科技有限公司 收卷和剥离机构及纤维牵伸器

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