EP1580319A1 - Dispositif et procédé de guidage d'une bande d'enfilement - Google Patents

Dispositif et procédé de guidage d'une bande d'enfilement Download PDF

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Publication number
EP1580319A1
EP1580319A1 EP05102129A EP05102129A EP1580319A1 EP 1580319 A1 EP1580319 A1 EP 1580319A1 EP 05102129 A EP05102129 A EP 05102129A EP 05102129 A EP05102129 A EP 05102129A EP 1580319 A1 EP1580319 A1 EP 1580319A1
Authority
EP
European Patent Office
Prior art keywords
ropes
rope
path
cables
cable
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
EP05102129A
Other languages
German (de)
English (en)
Other versions
EP1580319B1 (fr
Inventor
Harald Meysel
Lars Mallasch
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 Paper 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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1580319A1 publication Critical patent/EP1580319A1/fr
Application granted granted Critical
Publication of EP1580319B1 publication Critical patent/EP1580319B1/fr
Not-in-force 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

Definitions

  • the invention relates to a device for guiding a threading strip a material web along a web path with a cable arrangement, having at least two ropes on a guideway in the machine direction next to the railway path together from a shooting position are led to a dispensing position, the ropes in the area converge the collecting position in a rope scissors.
  • the invention relates to a method for guiding a threading strip of a material web along a track path where the threading strip between at least two ropes are clamped next to the railway path parallel to the path between a collection position and a delivery position be guided in the machine direction.
  • a paper web will be with relatively large widths of currently up to 10 m produced.
  • processing facilities include, for example, the Press section and the dryer section of a paper machine, a calender, a coater, etc.
  • free trains in which the paper web is not directly supported, so not on a roller, a roll or a drum rests. Such free moves have to bridge when recording or resuming a production can be.
  • the paper web must often with the speed through the aggregates guided by the paper machine. This speed is often much more than 1,000 m / min today.
  • a cable guide is parallel to the desired one Course of the paper web through the corresponding unit Guided or bridged free trains between units.
  • the web path are two or three ropes arranged closely adjacent and form a leadership route in this area. Outside As a rule, the ropes pass through the lanes of the railway.
  • rope scissors At the beginning of the railway path is a so-called "rope scissors", in which the ropes converge. The beginning of the paper web in this Rope shears, therefore, is from the converging ropes grabbed, clamped and then in the guide route along the railway path pulled through the desired processing unit.
  • the ropes are outside the later treatment line, i. outside arranged the railway path.
  • This has the advantage of having the treatment the paper web can not interfere later.
  • this one has Arrangement the disadvantage that the strip cut from the paper web not just a short distance in the machine direction must be in order to be seized in the rope scissors of the ropes. He must also a certain distance laterally, so in cross machine direction, be deflected.
  • the necessary lateral offset is often in the order of 10 to 50 cm.
  • To this lateral offset To this lateral offset To cause one uses auxiliary equipment, such as suction or Blow nozzles or swiveling baffles or guide bands. This results a considerable maintenance effort and a risk during insertion, if these facilities fail.
  • the invention is based on the object, the insertion of the threading strip to make reliable in the rope scissors.
  • rope circulations the individual ropes at least in the leading track each in one So-called rope level are led, then the ropes with a short section following the rope cutter, relative to this rope plane deflected. Moreover, each rope remains in the rope plane, i. outside the railway path, so that there are no restrictions with regard to to meet the guidance of the ropes by a treatment device got to.
  • the short section which is deflected out of the rope level, can be arranged so that it the subsequent treatment of the web does not bother.
  • the term “rope” is used here for the sake of clarity used. Under “rope” are also corresponding elements, for example Tapes, be understood.
  • the ropes are displaced by the rope cutter.
  • the rope scissors then gets the threading strip in addition to the feature pinch, the function of relocating the ropes.
  • a device is available with which the ropes positionable You can, the rope cutter with a relatively low cost to convey this additional function.
  • the rope scissors on roles on which the ropes are guided, and the roles are tilted.
  • tilting the role leaves in a simple way a lateral displacement of the ropes with a Reach the section in the catching position area.
  • you can smooth roles use on which the ropes are then tilting the rollers into one certain direction, namely in the cross machine direction, on the track path to slide.
  • the rope scissors rollers with guide grooves in which the ropes out are, has, and the roles are relocatable. That's how you reach it in the movement of the "rope beginnings", i. the sections of ropes that are on the rope scissors follow, a reliable guide.
  • About the movement of provided with grooves guide rollers can be relatively accurate displacement movement control the ropes in cross machine direction.
  • the rope scissors is attached to a lever which is around a Axis is pivotable, which is parallel to the machine direction.
  • the term "parallel" is not to be understood in a mathematical sense. Even larger deviations are quite permissible.
  • the lever is pivotable in transverse machine direction, i. the rope scissors, the one has some distance to the axis, is due to this pivoting movement shifted in the cross machine direction.
  • the lever is vertically aligned in the catching position and inclined in the rest position.
  • the rope scissors must also when guiding the EinfädelstMails along the railway path only one remain in the catching position for a comparatively short period of time. in the Basically, this is necessary only until the beginning of the threading strip has been seized.
  • a certain amount of force is required to operate with a vertical position in the catching position economically.
  • the resting position the For example, rest against a stop.
  • the ropes have at least a predetermined distance in the direction behind the rope scissors a fixedly arranged lateral guidance on. This measure is taken care of in a simple way making sure that only a section of the ropes, on the rope shears, more precisely said the catching position, follows, is deflected. The rest of the ropes remain in the rope level, ie outside the track path, so that the treatment facility, through which the material web is to be guided is not affected.
  • the rope scissors on an opening device.
  • These Design has the advantage that the rope cutter can be opened.
  • the threading strip must have sufficient strength, so as not to break.
  • a certain distance after the beginning of the Einfädelst ifies the threading strip then laterally from the rope guide wander out. He is thus already in the path after insertion or only with a small offset in the cross machine direction Besides.
  • the subsequent width cutting of the web then leads something faster to be able to take the treatment of the web.
  • a first element of a cutting shear in the running direction of the threading strip in front of the rope scissors arranged a first element of a cutting shear, with the in the collection position the rope scissors a second element of the cutting shear cooperates.
  • the use of a cutting shear has the advantage that the EinfädelstMail over its entire width virtually simultaneously is severed.
  • the first element of the cutting shear can then simultaneously be used as a guide element.
  • the object is characterized in a method of the type mentioned by solved that the ropes with a section in the area of the collecting position upon detecting a beginning of the threading strip in the web path be deflected.
  • the portion of the cables after the detection is moved out of the path again. This keeps the friction off by the deflection of the ropes acts laterally on the ropes, small. The ropes are only deflected for the period of time to capture the beginning the threading strip is necessary. Moreover, the rope scissors in the Rest position remain.
  • the ropes are in the collection position in a rope scissors merged and the rope scissors will after capturing the Initially open the threading strip.
  • This is allowed to, that the EinfädelstMail with a section that follows the beginning, no more of the ropes is detected. This is not necessary because it is enough only the beginning of EinfädelstMails using the rope arrangement to to lead.
  • the remainder of the threading strip will no longer be through the ropes, but through the train's train, i. the threading strip, per se. This makes it possible that the threading strip at least largely remains in the pathway.
  • a paper web 1 comes from a first Processing station 2, for example, the output of the press section a paper machine, and then through a second processing station 3 are performed, for example, the dryer section, in which several Drying cylinders 4 to 6 are arranged, over which the paper web. 1 must be performed alternately above and below.
  • a cable assembly 7 is guided.
  • the rope arrangement 7 is outside the web path of the paper web 1 in a guide path arranged.
  • She is about 8-10 headed roles that serve as leadership roles with side guides not shown for the Rope arrangement 7 is formed.
  • the rope assembly 7 consists of two or three ropes in corresponding circumferential grooves in the rollers 8-10 are stored.
  • the rollers 8-10 have the same diameter as the Drying cylinder 4-6. But they are compared to the drying cylinders 4-6 rotatably mounted.
  • the cable assembly 7 At least in the area adjacent to the paper web 1, i. along the Web path of the paper web 1, the cable assembly 7 is in a plane arranged on which the paper web 1 is vertical. This level will referred to as "rope level". Parallel outside of this guide to the railway path, the ropes of the cable assembly 7 are each in a loop guided. It is quite possible that the ropes in this circulation too run outside the rope level.
  • a threading strip 11 cut from the paper web 1. Of the Remaining remainder of the paper web 1 is guided into the pulper and disposed of.
  • the threading strip 11 must now be taken by the cable assembly 7 which, as mentioned above, outside the web path of the paper web is arranged.
  • the cable assembly 7 which adjoins a receiving position 13, deflected out of the rope level in the pathway, so that the section 12, as shown in dashed lines, to the cable level is inclined, ie a predetermined angle with the rope level includes.
  • the ropes of the rope arrangement 7 be at the receiving position 13 in the cross machine direction, ie perpendicular to the machine direction, shifted, so that the cable assembly. 7 while most of it remains in the rope level, section 12 remains as a transitional section at a predetermined angle to the machine direction runs.
  • the cable assembly 7 has an upper cable 16 and one or two lower ones Ropes 17, which converge in a rope scissors 18.
  • the rope scissors 18 has an upper pulley 19 for the upper cable 16 and a lower Guide roller 20 for the lower cable 17. The following is from a upper rope 16 and a lower rope 17 talked, even if respectively instead of a rope two ropes can be present.
  • the rope cutter 18 is arranged at the upper end of a lever arm 21, which is pivotable about an axis 22, which is parallel to the machine direction is arranged.
  • a pivot drive 23 is provided, for example, have the form of a piston-cylinder unit can.
  • a baffle 30 is swung out, so that the EinfädelstMail 11 is not only severed, but on the baffle 30 and the two elements 27, 29 of the flywheel knife in the rope scissors 18, which is closed for this purpose, is introduced.
  • the side arrangement 7 then grips the thus formed beginning of the threading strip 11 and leads in parallel to the railway path.
  • the rope scissors 18 is between a rest position shown in Fig. 5, in which they outside the track path the paper web 1 is arranged, and one shown in Fig. 4 Fall arrest position. In the rest position the rope cutter 18 is outside the web path of the paper web 1 is arranged. In the rescue position the rope cutter 18 is arranged in the track path and accordingly able to detect the threading strip 11 without this must be moved in the cross machine direction.
  • the side scissors 18 opened, as shown in Fig. 3 by the dashed position of the lower Guide roller 20 is shown.
  • the rope cutter 18 is indeed no longer able to clamp the threading strip 11. This is but also not required.
  • the threading 11 is only on his Beginning, i. held at its top, leaving the remaining remains of the threading strip 11 may remain in the path of the web, even if the Beginning of the threading strip 11 through the cable assembly 7 outside the railway path is pulled.

Landscapes

  • Paper (AREA)
  • Replacement Of Web Rolls (AREA)
EP05102129A 2004-03-25 2005-03-18 Dispositif et procédé de guidage d'une bande d'enfilement Not-in-force EP1580319B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004014557A DE102004014557A1 (de) 2004-03-25 2004-03-25 Vorrichtung und Verfahren zum Führen eines Einfädelstreifens
DE102004014557 2004-03-25

Publications (2)

Publication Number Publication Date
EP1580319A1 true EP1580319A1 (fr) 2005-09-28
EP1580319B1 EP1580319B1 (fr) 2009-08-19

Family

ID=34854036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05102129A Not-in-force EP1580319B1 (fr) 2004-03-25 2005-03-18 Dispositif et procédé de guidage d'une bande d'enfilement

Country Status (3)

Country Link
EP (1) EP1580319B1 (fr)
AT (1) ATE440175T1 (fr)
DE (2) DE102004014557A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783272A1 (fr) * 2005-11-04 2007-05-09 Voith Patent GmbH Dispositif d'enfilage
EP1992737A2 (fr) 2007-05-18 2008-11-19 Voith Patent GmbH Agencement de commande de corde

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954466A1 (de) * 1999-11-12 2001-05-17 Voith Paper Patent Gmbh Vorrichtungen und Verfahren zur Überführung eines Einfädelstreifens einer Materialbahn
EP1302591A2 (fr) * 2001-10-15 2003-04-16 Voith Paper Patent GmbH Machine pour la fabrication ou le finissage d'une bande de matériau

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954466A1 (de) * 1999-11-12 2001-05-17 Voith Paper Patent Gmbh Vorrichtungen und Verfahren zur Überführung eines Einfädelstreifens einer Materialbahn
EP1302591A2 (fr) * 2001-10-15 2003-04-16 Voith Paper Patent GmbH Machine pour la fabrication ou le finissage d'une bande de matériau

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783272A1 (fr) * 2005-11-04 2007-05-09 Voith Patent GmbH Dispositif d'enfilage
EP1992737A2 (fr) 2007-05-18 2008-11-19 Voith Patent GmbH Agencement de commande de corde
EP1992737A3 (fr) * 2007-05-18 2010-01-06 Voith Patent GmbH Agencement de commande de corde
US7976680B2 (en) * 2007-05-18 2011-07-12 Voith Patent Gmbh Rope guide arrangement

Also Published As

Publication number Publication date
DE502005007915D1 (de) 2009-10-01
EP1580319B1 (fr) 2009-08-19
DE102004014557A1 (de) 2005-10-13
ATE440175T1 (de) 2009-09-15

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