EP1905714A2 - Procédé destiné à la production d'un emplacement de liaison sur un rouleau d'enroulement et dispositif d'enroulement d'une bande de matériau sur un rouleau d'enroulement - Google Patents

Procédé destiné à la production d'un emplacement de liaison sur un rouleau d'enroulement et dispositif d'enroulement d'une bande de matériau sur un rouleau d'enroulement Download PDF

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Publication number
EP1905714A2
EP1905714A2 EP07117117A EP07117117A EP1905714A2 EP 1905714 A2 EP1905714 A2 EP 1905714A2 EP 07117117 A EP07117117 A EP 07117117A EP 07117117 A EP07117117 A EP 07117117A EP 1905714 A2 EP1905714 A2 EP 1905714A2
Authority
EP
European Patent Office
Prior art keywords
web
roller
winding
material web
tail
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
EP07117117A
Other languages
German (de)
English (en)
Other versions
EP1905714A3 (fr
EP1905714B1 (fr
Inventor
Alexander Klupp
Michael KÜHNHOLD
Frank SCHÜTZE
Manfred Mager Dr.
Hubert Brand
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 EP1905714A2 publication Critical patent/EP1905714A2/fr
Publication of EP1905714A3 publication Critical patent/EP1905714A3/fr
Application granted granted Critical
Publication of EP1905714B1 publication Critical patent/EP1905714B1/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
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B65H26/025—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs responsive to web breakage
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/4601—Splicing special splicing features or applications
    • B65H2301/46011—Splicing special splicing features or applications in winding process

Definitions

  • the invention relates to a method for producing a connection point on a winding roll, which rests in a winding machine on a roller and forms a Auflagip with the roller, wherein a torn material web on the winding roll at a web end and in a feed region when creating a web start each severed such that the tail and the web start adjacent to each other and that the tail and the web start are connected by a transverse connecting strip on one side, in particular on the underside.
  • the invention relates to a device for winding a web to a winding roll with a roll on which the winding roll is applied during winding in a winding machine, a cross-cutting device for generating a web start and means for applying a connecting strip on a tail and the web beginning, which adjacent lie to each other.
  • the invention will be described below with reference to a paper web as an example of a material web. However, it is also applicable to other webs which need to be coiled in a similar manner to relatively large reels, namely to reels having a diameter in the range of 0.5 to 3.0 m and a width in the range of 0.2 to 5, 0 m.
  • a paper web is produced almost endlessly. To be later handled for shipping and a user, it becomes so-called shipping roles wound. Shortly before winding the paper web is usually divided by slitting into narrower partial webs. The width of the partial webs then determines the axial length of the winding rolls.
  • a winding roll is wound continuously from start to finish. In this case, no interruption of the winding process occurs.
  • the invention has for its object to enable a fast and secure generating a joint in the reeling of a web.
  • the method steps according to the invention thus allow the creation of a connection point in the reel in the form of a so-called butt splice, ie a butt joint.
  • This Butt Splice generally has the advantage that the joint does not have twice the web thickness and also no stepped shoulder (shock) at the junction. An overlapping impact at the joint may result in failure and even damage in subsequent processing machines.
  • This procedure can be used both in a support or contact roller winder, in which the winding roller is held centric and rests only under a certain pressure on the roller, as well as in a Doppeltragwalzenwickler, in which the winding roller rests on two support rollers.
  • the position at which the material web is to be severed at the winding roll displayed with an auxiliary device.
  • the auxiliary device it is therefore possible to automate the connection process at least partially by the fact that the operator does not have to make any calculations on his own. Rather, the calculations are made in the system, ie in the winding machine, so that the operator has to rework only certain specifications, so to speak.
  • the position is displayed without contact. This keeps the risk low that the winding roll or wound layers of the material web are damaged.
  • a laser pointer is used to indicate the position.
  • a laser pointer can easily generate a continuous straight line. This line must follow the operator only with a suitable cutting device to perform the straight cut for the production of the tail. In this case, several layers of the material web which have already been wound up on the winding roll are usually severed.
  • the device for temporary detection of the introduced material web generates a preferably controllable / controllable negative pressure, which acts in such a way that the introduced material web is held on the roller.
  • This negative pressure ensures a secure mounting of Brutrume on the roller without any influence or change their properties.
  • the generated sheet rind In order for the generated sheet rind to be removed from the winding machine quickly and without any damage being caused, it is preferably fastened to at least one clamp applied directly or indirectly by a tension spring. Upon rotation of the winding roll in the running direction of the material web, it is then completely pulled out of the winding machine after dissolution of the last support pad holding them due to the acting spring force.
  • the roller is rotated against the direction of the material web before the new material web is brought, then that new material web is brought over them and that they are moved together so long in the direction of the roller, that after the transverse separation of the new material web by means of the cross-cutting device, the second tail and the web start adjacent to each other.
  • the second tail and the web start are generated by one and the same cross-cutting device.
  • the overhead in such an embodiment is limited, so that it in turn has an excellent profitability.
  • connection point generated in the direction of travel of the web is continued until a second connecting strip for bidirectional connection of the second tail and the web start can be mounted on the side opposite the first connecting strip side of the web.
  • a connection point with even better connection properties can be formed.
  • the second tail and the web start are generated by one and the same cross-cutting device.
  • the overhead in such an embodiment is limited, so that it in turn has an excellent profitability.
  • transverse and preferably designed as an adhesive tape connecting strip can be applied both automatically and manually on the second tail and the web beginning. Both options have specific properties and advantages, but generally the automatic application of the connection strip will be preferred.
  • transverse and preferably designed as an adhesive tape connecting strip can be applied to the second end of the web and the web start with stationary or rotating roller.
  • FIG. 1 shows in greatly simplified form the device 1 (winding machine) for winding a material web 2 to a winding roll 3. Shown is a situation in which the material web 2 is just torn off. A free "flag" 4, which is without tension, forms a remainder of the material web 2, which is otherwise wound on the winding roll 3.
  • the winding roll 3 lies in a winding bed 5, which is formed by two support rollers 6, 7. Both support rollers 6, 7 each have a drive, not shown. In operation, the two support rollers 6, 7 are driven in the counterclockwise direction. The resting on the two support rollers 6, 7 winding roll 3 is thereby also set in rotation and pulls the web 2 on it.
  • a diameter measuring device 8 continuously or if necessary determines the diameter D of the winding roll 3.
  • This diameter measuring device 8 may have different configurations. Preferably, it works without contact, for example with ultrasound or infrared.
  • the winding roller 3 forms with the two support rollers 6, 7 each have a Maulageip 9, 10.
  • the position of the Auflagenips 9, 10 changes in the course of the winding process. As the diameter D of the winding roll 3 increases, the winding roll 3 moves further out of the winding bed 5. If necessary, you can the Position the Auflagenips 9, 10 or use their distance for the determination of the diameter D of the winding roll 3.
  • one end 11 of the material web 2 usually has an indeterminate course. It is extremely unlikely that the crack edge follows a straight line. It is equally unlikely that the end 11 is perpendicular to the direction L (arrow) of the web 2. The resulting by the web tear end 11 is therefore basically not to use for further processing. An operator must therefore take certain measures, which are explained below.
  • the operator will clean the winding machine 1 of web residues and cut off the end of the web 2 on the circumference of the winding roll 3 temporarily.
  • the end can be separated, for example, in Auflageip 10, because the web 2 is clamped there between the support roller 7 and the winding roller 3.
  • the support roller 7 further has a device 12 for temporary detection of Brutrumen.
  • the device 12 is a controllable vacuum zone 13, which is integrated in the support roller 7 and which acts on the roller surface 7.1. For reasons of clarity, the device 12 is only hinted at here.
  • the operator now separates the material web 2 on the circumference of the winding roll 3.
  • she uses a knife 15 or a similar tool.
  • this is not just a single outer layer on the Winding roll 3 is severed, but several layers.
  • the position P at which the operator guides the knife 15 through the layers it is displayed by an auxiliary device in the embodiment of a laser pointer 16, which is controlled by a control device 17.
  • the laser pointer 16 generates an axis-parallel straight line on the circumference of the winding roll 3, specifically where the cut is to be made.
  • the voltage applied to the winding roll 3 material web 2 is severed when creating a first tail 18 and the Bahnschwarte 14 (see Figure 2) at the position P, whose distance from the Auflagenip 10 on the roller 7 is the same as the distance one on the roller. 7 arranged device 12 for temporary detection of the introduced material web 2 to Auflageip 10th
  • the first tail 18 is fixed to the winding roll 3.
  • the fixation can be done for example by gluing the first tail 18 on the winding roll 3.
  • FIG. 2 now shows the winding machine 1 when retracting a sheet web 14.
  • the control device 17 now rotates the two support rollers 6, 7 in the direction of L (arrow) of the material web 2 by operating the drives on, so that the operator can pull out the Bahnschwarte 14, which is caused by the severing of the outer layers of the winding roll 3.
  • the generated web scarf 14 on at least one of attached to a tension spring 20 directly or indirectly applied terminal 19 and thus upon rotation of the winding roller 3 in the direction L (arrow) of the web 2 away.
  • This combination of terminal 19 and tension spring 20 is referred to in professional circles as a balancer.
  • the removed from the winding machine 1 Bruschwarte 14 can then be eliminated by the operator in a known manner and optionally fed to the stock preparation of a nearby paper machine.
  • FIG. 3 shows the winding machine 1 during introduction of the new material web 2.
  • the machine width cut in advance machine width 2 is brought over the stationary support roller 7 and detected by the device 12 temporarily.
  • the device 12 comes in the upper region of the support roller 7, preferably between a 12 and 1 o'clock position, to a standstill. Thereafter, the web 2 is cut in the direction L (Peil) of the web 2 after the device 12 by means of a cross-cutting device 21 when generating a web start 22.
  • FIG. 4 now shows the winding machine 1 when the first tail 18 is applied to the support roller 7.
  • the first tail 18 is severed by means of the cross-cutting device 21 when creating a second tail 23 such that the second tail 23 and the web start 22 adjacent to each other.
  • the cross-cutting device 21 for generating the second tail 23 is identical in the present embodiment with the cross-cutting device 21 for generating however, they may be different. Subsequently, at least the severed first tail 18 is removed in a known manner.
  • the connection can take place in the region of the transverse separating device 21.
  • a device 26 known to those skilled in the art is provided for the automatic application of the connecting strip 24 on the two Brutrume 22, 23 when forming a joint 25, a device 26 known to those skilled in the art is provided.
  • the connection strip 24 can also be applied manually.
  • FIG. 6 shows the winding machine 1 during top-side joining of the second tail 23 and of the web start 22.
  • connection point 25 produced in the running direction L (arrow) of the material web 2 is further moved until on the opposite side of the first material strip 2, a second connecting strip 27 can be attached for two-sided connection of the second tail 23 and the web start 22.
  • the two connecting strips 24, 27 are applied from one and the same device 26 to the second tail 23 and the web start 22.
  • the application of the second connecting strip 27 is carried out at vorzugêtm standstill in the upper region of the winding roll 3, preferably between a 1 and 2 o'clock position.
  • the respective transverse and preferably formed as adhesive tape 28 connecting strips 24, 27 is applied to the second tail 23 and the web beginning 22 at rest or rotating support roller.
  • the winding machine 1 can be run up to production speed and the material web 2 can be wound continuously onto the winding roller 3.
  • the invention enables a fast and secure generation of a connection point in the reeling of a material web.

Landscapes

  • Replacement Of Web Rolls (AREA)
EP07117117A 2006-09-29 2007-09-25 Procédé destiné à la production d'un emplacement de liaison sur un rouleau d'enroulement et dispositif d'enroulement d'une bande de matériau sur un rouleau d'enroulement Not-in-force EP1905714B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006046686A DE102006046686A1 (de) 2006-09-29 2006-09-29 Verfahren zum Erzeugen einer Verbindungsstelle an einer Wickelrolle und Vorrichtung zum Aufwickeln einer Materialbahn zu einer Wickelrolle

Publications (3)

Publication Number Publication Date
EP1905714A2 true EP1905714A2 (fr) 2008-04-02
EP1905714A3 EP1905714A3 (fr) 2009-05-27
EP1905714B1 EP1905714B1 (fr) 2011-07-20

Family

ID=38875000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07117117A Not-in-force EP1905714B1 (fr) 2006-09-29 2007-09-25 Procédé destiné à la production d'un emplacement de liaison sur un rouleau d'enroulement et dispositif d'enroulement d'une bande de matériau sur un rouleau d'enroulement

Country Status (3)

Country Link
EP (1) EP1905714B1 (fr)
AT (1) ATE517054T1 (fr)
DE (1) DE102006046686A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2627103A1 (de) * 1976-06-16 1977-12-22 Bhs Bayerische Berg Verfahren und vorrichtung zum automatischen erfassen des endes einer bahn oder eines abrisses und verbinden mit dem anfang einer neuen bahn, insbesondere in wellenpappenanlagen
US5092533A (en) * 1990-10-15 1992-03-03 Beloit Corporation Method for effecting a set change in a winder
DE19753870B4 (de) * 1997-12-05 2005-08-25 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum Verbinden des Endes einer ersten Materialbahn mit dem Anfang einer zweiten Materialbahn
DE19944958C2 (de) * 1999-09-20 2002-02-07 Voith Paper Patent Gmbh Leit- oder Kontaktwalzenanordnung zum Handhaben einer Materialbahn, insbesondere in einer Rollenwickelvorrichtung

Also Published As

Publication number Publication date
EP1905714A3 (fr) 2009-05-27
DE102006046686A1 (de) 2008-04-03
EP1905714B1 (fr) 2011-07-20
ATE517054T1 (de) 2011-08-15

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