EP1752403B1 - Introducteur de bande de papier - Google Patents

Introducteur de bande de papier Download PDF

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Publication number
EP1752403B1
EP1752403B1 EP06114474A EP06114474A EP1752403B1 EP 1752403 B1 EP1752403 B1 EP 1752403B1 EP 06114474 A EP06114474 A EP 06114474A EP 06114474 A EP06114474 A EP 06114474A EP 1752403 B1 EP1752403 B1 EP 1752403B1
Authority
EP
European Patent Office
Prior art keywords
web
carrier
arm
holding
holding elements
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.)
Expired - Fee Related
Application number
EP06114474A
Other languages
German (de)
English (en)
Other versions
EP1752403A1 (fr
Inventor
Frank SCHÜTZE
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 EP1752403A1 publication Critical patent/EP1752403A1/fr
Application granted granted Critical
Publication of EP1752403B1 publication Critical patent/EP1752403B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0063—Devices for threading a web tail through a paper-making machine
    • D21G9/0072—Devices for threading a web tail through a paper-making machine using at least one rope
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/03—Threading webs into printing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/41419—Starting winding process
    • B65H2301/41427—Starting winding process involving arrangements for securing leading edge to core, e.g. adhesive tape
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion
    • B65H2301/41734—Handling web roll by central portion, e.g. gripping central portion involving rail
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • 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 device for guiding a web from a first position to a second position, in particular from a unwinding station to a winding section of a reel winding device, with an auxiliary device which detects the web at the first position in full width, wherein the auxiliary device has a first holding element extending transversely to the longitudinal extent of the web and at least across the width of the web and is held on both sides of the web in each case a carrier, wherein at least one support a second holding element is fixed, which has a distance to the first holding element in a receiving state, by the web is insertable, and both holding elements are pressed against each other by a train of the wound around the holding elements web.
  • Such a device is for example from the US Pat. No. 4,293,087 A known.
  • a web in particular a paper web, withdrawn from a supply roll, passed through a longitudinal cutting device and then fed to a winding section, where the then present in partial webs web is wound on partial web rolls.
  • These partial web rolls can be wound, for example, in a double take-up roll winder or in a support or contact roll winder.
  • the web must be guided from the unwinding station to the winding section.
  • the invention has for its object to easily detect a web in the region of its beginning in full width.
  • the detection of the web in the region of its beginning is extremely simple.
  • the beginning of the web must only be passed between the two holding elements. This is easily possible because the two holding elements in the receiving state have the necessary distance from each other. So there is a gap between the two holding elements. Once the web has been threaded into this gap, you can rotate the two carriers. After less than one revolution, the two holding elements are pressed against each other by the web so that they pinch the web between them. Therefore, no additional actuators are needed to close the gap between the two holding elements. The force necessary for closing is applied by the train itself. For safety reasons, you can rotate the carrier over more than one revolution, so that the beginning of the web is securely held between the two holding elements.
  • the carriers with the intervening Retaining elements can then be moved by a guide system from the first position to the second position along a predetermined path.
  • the two carriers can each be mounted in rails or the like.
  • At least one of the retaining elements is designed as a pressure-force-free retaining element.
  • a pressure-force-free holding element can be deformed with relatively little force transversely to its longitudinal extent. Thus, if lateral forces are exerted on this holding element via the web pull, then this holding element is moved in the direction of the other holding element and then clamps the web between the two holding elements.
  • both holding elements are designed as a rope.
  • both retaining elements may be formed as a rope.
  • At most one of the holding elements is designed as a rod.
  • a rod should also be understood a pipe.
  • Such a rod is capable of transmitting torque from one carrier to the other carrier so that it is sufficient to drive one of the carriers.
  • a bar is a forceful element, i. it can be applied transversely to the longitudinal extent of the web with a compressive force. A rod thus ensures at the same time that the two carriers always have the necessary distance from each other.
  • one of the holding elements is designed as a rigid arm which is pivotally mounted on the carrier.
  • the fact that the arm is rigid he holds in the unfolded state, even if he is not connected to the other carrier, in a predetermined position. In this position, the arm and the other holding member form, so to speak, a kind of open pliers, in which the web can be introduced.
  • the carriers are then rotated, at the latest when the arm is wrapped in the web, the web presses the arm against the other holding member so that the web is clamped between the arm and the other holding member. Since the web is applied at the same time over its width and with a certain enclosing angle on the other holding element, the web is again detected over its full width safe and can then be pulled from the first to the second position.
  • the arm has a length which is at most 30% of the width of the web. So the arm itself does not work on the entire width of the web. If the carriers are spaced out of the way, the arm will act on the web even less than 30% of its length. However, this is sufficient because the trapped web, even if it is held only at one part of its width, forms a sufficient frictional force on the other holding element, so that it can be safely pulled over its entire width.
  • the arm is biased away from the other retaining element. So if the web tension decreases, for example, when the carrier is rotated backwards or the web is severed, then the arm opens automatically, so that the web can be pulled out until the auxiliary device for receiving a new web start is available.
  • an arm is arranged on each support.
  • the web is thus taken in the region of its two longitudinal edges. This improves the reliability.
  • Fig. 1 shows a schematic representation of a roll winding device 1 with an unwinding station 2 and a winding station 3. Between the unwinding station 2 and the winding station 3, a longitudinal cutting device 4 is arranged.
  • an unwinding position 5 is provided in the unwinding station 2 .
  • a pay-off bearing 6 in which a spool 7 is rotatably mounted.
  • a mother roll 8 To the drum 7 a mother roll 8 réellewikkelt, of which a rest still in Fig. 1 is recognizable.
  • a web 9 is withdrawn. This web 9 is cut in the slitter 4 in a plurality of sub-webs and wound in the winding station 3 to a plurality of bobbins 10, of which in Fig. 1 only one is recognizable, because these bobbins 10 are in a direction perpendicular to the plane behind the other.
  • the unwinding 6 is suitable for higher speeds.
  • the web 9 can be withdrawn at a speed of 2000 to 3000 m / min.
  • the winding rollers 10 rest on two support rollers 11, 12, of which at least one is driven.
  • a loading roller 13 may be provided to control the winding process.
  • a back-up roll winder in which the winding rollers 10 are held centrally and bear against a support or contact roller.
  • the unwinding station 2 also has a preparation position 14, in which a further reel 15 with a new master reel 16 is kept ready.
  • the preparation position has a preparation bearing 17, which also allows a rotation of the main cylinder 15, but is less expensive, because the necessary rotation speeds are much lower.
  • the preparation bearing 17 and the unwinding bearing 6 are interconnected by a track 18 on which the spool 15 in the preparation position 14 to the unwinding position 5 can roll when a reel change is required.
  • the mother roll 16 is prepared. As a rule, some layers of the web are handled and disposed of in preparation. This process is also referred to as "skimming".
  • a pulper opening 19 is provided, which is arranged below the preparation position 14 in such a way that under the action of gravity hanging down web 9 hits the pulper opening 19.
  • the parent roll 16 does not always have the same radius, the position of the depending web 9 will move slightly. However, the pulper opening 19 is so large that it can catch the falling web.
  • a hopper 20 may be additionally provided.
  • the roll winding device 1 For insertion, the roll winding device 1 an auxiliary device 21, which in Fig. 1 is shown in different positions. In different positions, the auxiliary device 21 is provided with small letters (a, b, c) for distinction.
  • the auxiliary device 21 is guided on a movement path 22, which is shown as a dashed line.
  • the trajectory is realized by rails or guides, which are arranged on both sides of the web 9 outside its width.
  • Along the path of movement 22 may also be a chain, a belt or a rope out be, these devices are driven in a manner not shown by a common drive, so that the auxiliary device 21 can be performed in an orientation perpendicular to the direction of movement of the web 9 from the unwinding station 2 to the winding station 3.
  • the auxiliary device 21 is now from the left (based on the representation of Fig. 1 ) moved up to the under the action of gravity vertically down hanging web 9 and attached to the web.
  • Fig. 2 Now shows a first embodiment of an auxiliary device 21 for detecting the beginning of the hanging of the parent roll 16 end of the web 9.
  • the auxiliary device 21 has two cables 31, 32, which are spanned between two carriers 33, 34.
  • the two cables 31, 32 have a length which is greater than the width of the web 9.
  • the distance between the two carriers 33, 34 corresponds to the length of the cables 31, 32. It can be seen that the carrier 33, 34 with Distance are arranged laterally next to the web 9.
  • At least one of the two carriers in the present case the carrier 34, is provided with a rotary drive 36, which acts on the carrier 34, for example via a belt or a chain, in such a way that it can be rotated.
  • the other carrier 33 may be provided with such a rotary drive.
  • the carriers 33, 34 are each rotatably supported on holders 38, 39. These holders 38, 39 can then be guided along the path of movement 22.
  • the clamping force acts practically over the entire width of the web 9. It is usually sufficient even after only one revolution of the carrier 33, 34 to reliably hold the web 9 between the two ropes 31, 32.
  • auxiliary device 21 When the auxiliary device 21 has arrived in the area of the winding device 3, it is expedient to sever the web in order to cut off and dispose of the area of the web clamped and wound between the cables 31, 32.
  • the disposal can, moreover, be effected via the pulper 19, when the auxiliary device has been transported back there with the still wound-up remainder of the web.
  • the two ropes 31, 32 form pressure-free holding elements.
  • Pressure-free holding elements can be easily deflected transversely to their longitudinal extent.
  • Fig. 4 shows a modified embodiment, which operates basically the same principle.
  • the auxiliary device 21 after Fig. 4 has as a holding element, a tube 40 which is rotatably mounted in the two carriers 33, 34.
  • the tube 40 may have as a drive, for example, a tubular motor.
  • Each arm 41, 42 is rigid in itself. It is biased in the position shown by solid lines by a spring, not shown, but can be pivoted to the position shown in dashed lines, as will be explained below.
  • Each arm 41, 42 has only a limited length.
  • the length of an arm 41, 42 is at most 30% of the width of the web. 9
  • the web 9 is passed through the openings 43, 44, which result between the tube 40 and the unfolded arms 41, 42.
  • the web 9 should survive at least the width of the arms 41, 42 down over the arms 41, 42. Appropriately, but a larger supernatant is set.
  • the arms 41, 42 After a little less than 90 ° rotation, the arms 41, 42 then come into contact with the web 9 and are pressed against the tube 40 in another revolution. In doing so, they clamp the web 9 between themselves and the pipe 40.
  • the clamping force acts only on the edge region of the web 9 and is usually not enough to reliably guide the web 9 to the winding station 3. Accordingly, the tube 40 is rotated further and that expediently until the web 9 is wound on the tube 40 by at least one revolution. Since the web 9 is clamped between the tube and the arms 41, 42, then the tension exerted by the braked mother roll 16 is sufficient to hold the web 9 with the necessary frictional force on the circumference of the tube 40.
  • the tube 40 can again be turned backwards. Once the arms 41, 42 come free, they unfold and the web 9 is free for further handling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Advancing Webs (AREA)

Claims (8)

  1. Dispositif pour guider une bande (9) d'une première position dans une deuxième position, notamment depuis un poste de déroulement jusqu'à une portion d'enroulement d'un dispositif de bobinage, comprenant un dispositif auxiliaire (21) qui saisit la bande (9) sur toute sa largeur dans la première position, le dispositif auxiliaire (21) présentant un premier élément de retenue (31 ; 40) qui s'étend transversalement à l'étendue longitudinale de la bande (9) et au moins sur la largeur de la bande (9) et est retenu de part et d'autre de la bande (9) dans un support respectif (33, 34), un deuxième élément de retenue (32 ; 41, 42) étant fixé sur au moins un support (33, 34) et présentant, dans un état de réception, un espacement (35 ; 43, 44) par rapport au premier élément de retenue (31 ; 40) à travers lequel la bande (9) peut être introduite, et les deux éléments de retenue (31, 32 ; 40, 41, 42) pouvant être pressés l'un contre l'autre par une traction de la bande (9) enroulée autour des éléments de retenue (31, 32 ; 40, 41, 42),
    caractérisé en ce
    qu'au moins l'un des supports (33, 34) présente un entraînement en rotation (36).
  2. Dispositif selon la revendication 1, caractérisé en ce qu'au moins l'un des éléments de retenue (31, 32 ; 41, 42) est réalisé sous forme d'élément de retenue exempt de force de pression.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce qu'au moins l'un des éléments de retenue (31, 32) est réalisé sous forme de câble.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'un au maximum des éléments de retenue (40) est réalisé sous forme de tige.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'un des éléments de retenue est réalisé sous la forme d'un bras rigide (41, 42), qui est disposé de manière à pouvoir pivoter sur le support (33, 34).
  6. Dispositif selon la revendication 5, caractérisé en ce que le bras (41, 42) présente une longueur qui vaut au maximum 30% de la largeur de la bande (9).
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que le bras (41, 42) est précontraint à l'écart de l'autre élément de retenue (40).
  8. Dispositif selon l'une quelconque des revendications 5 à 7, caractérisé en ce que l'on dispose un bras sur chaque support (33, 34).
EP06114474A 2005-08-13 2006-05-24 Introducteur de bande de papier Expired - Fee Related EP1752403B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005038478A DE102005038478A1 (de) 2005-08-13 2005-08-13 Vorrichtung zum Führen einer Bahn

Publications (2)

Publication Number Publication Date
EP1752403A1 EP1752403A1 (fr) 2007-02-14
EP1752403B1 true EP1752403B1 (fr) 2008-08-06

Family

ID=36758243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06114474A Expired - Fee Related EP1752403B1 (fr) 2005-08-13 2006-05-24 Introducteur de bande de papier

Country Status (3)

Country Link
EP (1) EP1752403B1 (fr)
AT (1) ATE403621T1 (fr)
DE (2) DE102005038478A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010031887B4 (de) * 2010-07-21 2021-02-18 Krones Aktiengesellschaft Führungsvorrichtung und Verfahren zum Führen von wenigstens einem Materialbahnende in einer Verpackungsmaschine
CN103640915B (zh) * 2013-12-17 2015-10-07 青岛云路新能源科技有限公司 一种非晶带材的穿带方法及其装置
CN106081697B (zh) * 2016-08-09 2017-08-01 温州大学瓯江学院 一种印刷机的纸张输送装置
CN106113904B (zh) * 2016-08-09 2018-05-18 湖州佳宁印刷有限公司 一种方便输送的印刷机
DE102019203742A1 (de) 2019-02-07 2020-08-13 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Materialbahn-Einzugsvorrichtung
EP3915910B1 (fr) 2019-02-07 2022-11-23 BHS Corrugated Maschinen- und Anlagenbau GmbH Agencement de traitement /d'usinage des bandes de matière
CN110054009A (zh) * 2019-05-29 2019-07-26 潍坊学院 外轨道式自动穿料装置
DE102022210640A1 (de) 2022-10-07 2024-04-18 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Messerbalkenwalze

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293087A (en) * 1979-04-19 1981-10-06 Jagenberg Werke Apparatus for introducing the head end of a web into a treating station
US4267631A (en) * 1979-05-29 1981-05-19 Chase Verlin R Device and method for replacing rope carriers on dryer rolls of paper making machines
DE3737504A1 (de) * 1987-11-05 1989-05-24 Beloit Corp Rollenschneidemaschine
EP0812792B1 (fr) * 1996-05-24 2002-11-13 Fuji Photo Film Co., Ltd. Appareil de raccordement de bandes
DE102004049720A1 (de) * 2004-10-11 2006-04-20 Voith Paper Patent Gmbh Verfahren zum Einführen einer Materialbahn in eine Rollenwickeleinrichtung und Rollenwickeleinrichtung

Also Published As

Publication number Publication date
EP1752403A1 (fr) 2007-02-14
DE102005038478A1 (de) 2007-02-15
ATE403621T1 (de) 2008-08-15
DE502006001269D1 (de) 2008-09-18

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