EP0893382B1 - Dispositif pour raccorder des bandes pendant la rotation de bobines - Google Patents

Dispositif pour raccorder des bandes pendant la rotation de bobines Download PDF

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Publication number
EP0893382B1
EP0893382B1 EP98110494A EP98110494A EP0893382B1 EP 0893382 B1 EP0893382 B1 EP 0893382B1 EP 98110494 A EP98110494 A EP 98110494A EP 98110494 A EP98110494 A EP 98110494A EP 0893382 B1 EP0893382 B1 EP 0893382B1
Authority
EP
European Patent Office
Prior art keywords
paper web
web
emergency device
supply
printed
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 - Lifetime
Application number
EP98110494A
Other languages
German (de)
English (en)
Other versions
EP0893382A1 (fr
Inventor
Jean Claude Marmin
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0893382A1 publication Critical patent/EP0893382A1/fr
Application granted granted Critical
Publication of EP0893382B1 publication Critical patent/EP0893382B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • the invention relates to an emergency device that when a paper web breaks in a rotating printing press which is in the operating state is activated.
  • No. 2,957,637 describes a device and a method for use in a Web processing unit, for example on a printing press, in the case of a Web break described.
  • the device comprises a wound strip less Width, which in the event of a web break is activated by an activation mechanism running unprinted paper web, which runs over guide rollers, is started.
  • the activation mechanism has a current-carrying one in the event of a web break Magnetic coil and a straight core that penetrates the coil centrally, which through the resulting magnetic field is deflected, causing the movement of the narrow strip to the running unprinted paper web.
  • the document EP 0 654 433 A1 describes a device for avoiding damage when the web of material breaks in a rotating printing press.
  • the damage caused by the torn webs on the production devices can be avoided, which preferably comprise rotary cylinders of blanket cylinders of the rotating printing presses, control clutches being used.
  • the paper web runs partially around a rotatably mounted guide roller and rollers are provided in order to clamp the web on this roller. This roller is controlled by a control clutch in the paper web direction.
  • the cylinders of the printing unit can be effectively protected in the event of a web break; however, the torn web can slide freely from a cooling roller section located after the dryer or run out of the superstructure of turning bars.
  • the object of the invention is therefore to create a new emergency device, in which it is possible in a printing press after the paper web tear Passage of the paper web to get into the components of the rotating printing press has been introduced.
  • the device points in the Close an unwinder near a roller that guides the already printed paper web which around a supply paper web is wound up, and means for connecting the said stock paper web with the already printed paper web in order to pass it in to obtain a machine part lying after said unwinder.
  • a particular advantage of the solution according to the invention is that at one sudden paper web break in the machine a web part to be processed in the machine can remain in the imported state and especially the part of the track that is in the most difficult to access areas.
  • the rotating machine With the extremely fast Positioning of the unwinder in the operational standby position in the event of a Web break braking machine, it is possible for the most seconds Idle operation of the rotating machine to take advantage of the supply track with the already to connect printed web.
  • the rotating machine is idling, the connected webs - the already printed web and the unprinted web - through the Components of the machine, such as the cooling roller section, the super structure of Turning bars and the hopper of the folding machine, guided, so that the paper in this Components can still be passed through.
  • the path of the paper web at least in part of the machine is saved and the restart of the The machine and its run-up can be carried out very quickly.
  • the unwinder is in accordance with the invention positioned relative to the printed paper web so that the stock paper web and the printed paper web can optionally be supported against each other and that the Can run freely in normal operating condition.
  • the unwinder can a swiveling holder can be mounted and the stock paper web can be attached to the continuous paper web come to rest by means of a positioning element.
  • the latter can consist of a cylinder controlled by a pressure medium.
  • the Unwinder will be as close as possible to the pass-through level of the printed web is mounted for a quick connection of the To ensure supply rail and the printed web part in the assembly area of the Unwinder passed. The route of positioning in the operational readiness position is therefore extremely short.
  • the stock paper web has on the printed paper web facing side adhesive, such as tapes or the like. These can be in Distance from each other on the width of the supply path or in the middle and along the Direction of travel of said web can be attached.
  • the speed of the unwinder provided with the stock paper web is reduced to the Speed of the machine is accelerated by the control means assigned to it and by it kept in order to connect the unprinted stock paper web as smoothly as possible guarantee with the printed paper web when it tears.
  • the control can the outer circumference of the winding of the supply web with the help of a drive belt attack; the control can also be placed directly on the pivot of the unwinder Both forms of control are designed to adjust the speed of rotation, to change the diameter of the winding of the supply web on the unwinder compensate.
  • the emergency device can advantageously be positioned at the exit of the dryer, i. H. in the cooling roller unit or at the entrance to the superstructure of turning bars rotating printing machine. Incidentally, it can be found at the exit of this superstructure, above the attached first longitudinal folding device of the folding machine or inside the same become.
  • Said unwinder of the emergency device can be in the vicinity of one of the cooling rollers be positioned around the passage of the paper web inside and after the cooler or, more generally, over the cutting roll at the entrance to the superstructure of Get turning bars.
  • the unwinder of the emergency facility can also be near a turning bar positioned to break in and after the superstructure of turning bars to preserve the passage of the paper web.
  • the processor of the Emergency device placed near a roller mounted on the folding machine to keep the passage of the paper web clear in and after the folding machine.
  • a rotating printing press 1 is shown, the one Paper roll exchanger 2, according to which an insertion mechanism 3rd located.
  • the exchanger 2 can be a magazine arranged vertically or horizontally include, in which it is possible, depending on the design of the printing press roller exchangers mounted one behind the other or in parallel.
  • a Web catching device 5 is located in front of the dryer 6, behind which a group 7 is arranged, in which a plurality of successive cooling rollers 30 is rotatable are stored.
  • a folding machine 8 which comprises a cylinder part 8.1, joins the group 7 of the Cooling rollers.
  • a stage 9 through which one has access to the one above it arranged superstructure 10 of turning bars, is above the cylinder part 8.1 Folding machine provided.
  • a number of turning bars and other deflectors are stored in this superstructure 10 in order to form the most varied paths of products, which are to be folded individually.
  • the stage 9 is provided with a railing 12 and a Access 13 accessible from the ground.
  • a funnel 11 through which the paper web is introduced into the cylinder part 8.1 of the folding machine, in which the treatment the paper web is continued, is shown only schematically in Figure 1 Superstructure 10 arranged.
  • the emergency device comprises one Unwinder 14, which is mounted in a pivotable holder 16 and on which one Stock paper web 21 is wound.
  • the winding of the supply web 21 on the Unwinder 14 forms a small roll 14a.
  • the small roll 14a can be the end piece of a roll be that has a lower rail stock than that of a full roll.
  • the small roll 14a is in the holder 16 rotatably supported by a journal 15.
  • On Positioning element 24 for example a cylinder - can hold the holder 16 around the Let axis 25 rotate in the direction of double arrow 29.
  • the function of the Positioning element 24 can be supplied by a pneumatic or hydraulic Print medium.
  • the support of the unprinted supply web 21 of the Small roll 14a can ensure timely connection with the printed Lane 22 can be carried out very quickly.
  • the small roll 14a is in the rest position only a very short distance 27 from the running printed web 22. Therefore the support path of the supply web 21 to the running printed web 22 extremely short.
  • the rotatably mounted small roller 14a is with adhesive 28 for connecting the Supply web 21 provided with the printed web 22.
  • This adhesive 28 can be spaced apart from one another on the width of the supply web 21 or it can also be are single tapes, for example double-sided adhesive, which in the middle of the the printed paper web lying on the peripheral surface of the small roll 14a Storage rail facing side are attached.
  • Adhesive 28 it is also possible to use, which is in the form of individual continuous strips across the width the supply roller can be attached. It would also be possible to have a device for applying a liquid adhesive on the printed web 22 or on the Provide supply track 21.
  • one provided on the pivotable holder 16 enables Control device the acceleration of the supply path 21, which with the Machine speed is processed, i.e. with the paper running speed, and then maintain that speed.
  • the controller 18 - one Electric motor or the like - is attached to the holder 16 and acts on one or a plurality of drive belts 17, which in turn are on deflection rollers 19 and on tensioning rollers 20 are led.
  • the tension roller 20 can the original train and the always changing resulting tension of the drive belt 17 or the belt 17 on the circumference compensate for the small roll 14a.
  • the diameter of the small roll 14a rapidly decreases as the now connected paper webs 21, 22 continuously run through the other components, such as the Group 7 of cooling rolls and the superstructure 10 of turning bars or the Folding former 11 in order not to lose the paper passage 38.
  • the pin 15 of the unwinder 14 can be driven directly. This control then quickly adjusts the speed of the small roll 14a decreasing diameter of the small roll 14a, that is, the controller 18 drives inevitably the small roller 14a with a gradually increasing speed Ensuring a constant settlement.
  • the holder 16 of the small roll 14a is arranged opposite a guide roller 26, on which the already printed paper web is running. If a support is caused by a crack in the printed web is triggered, the small roller 14a is supported on the guide roller 26 on which runs the printed web 22 so that a connection between the printed Web and the unprinted supply web can be ensured. It is therefore certain that the support movement of the small roller 14a does not fall into void, but on the printed paper web 22 lands.
  • the arrow 23 indicates the original running direction the printed paper web 22 on its way 38.
  • the unwinder 14 is on an axis 25 mounted, which itself is mounted in side flanges 31, 32. These that on the Drawing are only indicated; can side partitions or the jacket of a Dryer 6, the group 7 from the cooling rollers or the stage 9.
  • the Unwinder 14, which is provided with its supply rewinder, can also on the Folding machine 8 or mounted on the hopper of its first longitudinal folding device 11 become.
  • the unwinder 14 is mounted in holders 16 from one of which is connected to a cylinder 24 by a fork 33. This can be pneumatically or hydraulically driven - as already mentioned -.
  • the small roll 14a is in the rest position in small distance from the printing web 22, which runs on the guide roller 26 in the direction 23.
  • a controller 17, 18, 19 partially engages the circumference of the Small roll 14 and takes it.
  • the controller 18 ensures that the small roll 14 on the Bring speed to the machine and keep it at it.
  • a web break the movement of the support of the supply web 21 to the printed web 22 and their connection immediately.
  • the introduction of the now connected webs 21 and 22 in group 7 from the cooling rolls and into the superstructure of turning bars, including in the first longitudinal folding device 11 takes place during the Machine deceleration within the itself until complete braking and standstill period of time that the machine is running.
  • the passage 38 of the paper, the Introduction has been cumbersome, is retained. The restart of the machine can be done much faster.
  • a web catching device 5 arranged behind the last printing group, a dryer 6 with continuous flow and, for example, a group 7 of cooling rolls are shown in the series of figures 4a to 4c.
  • the paper passage designated 38 leads into the superstructure 10 of turning bars - which as shown schematically in FIG. 1 indicated above a first longitudinal folding device 11, which is above a Folding machine 8 is located.
  • the small roll is 14a attached to the emergency device opposite a first cooling roller 30 of group 7; on Cylinder 24 and a controller 17 are assigned to it.
  • the one before the dryer 6 assembled web catcher 5 comprises a group of two rollers 37 and a storage and Makulaturentsorgungskasten.
  • a detector 34 assigned to the web catching device 5 detects the occurrence of a web break and causes the support of the Stock paper web 21 to the already printed web 22.
  • the dryer 6 includes entrance and Exit openings 35, 36 for the passage of the printed web 22.
  • the printed web 22 runs at the machine speed - for example 10 m / sec.
  • the small roll 14a arranged above the first cooling roll 30 runs at a speed that connects the webs without delay during the Operation of the rotating printing machine at the printing speed enables. This is important to a tear of the supply web 21 behind the junction of the webs 21, 22nd by suddenly occurring tensile forces at the end of this connection. When a tear indicated in FIG. 4b occurs, the web tension loosens suddenly.
  • the detector 34 switches on the webbing device 5 immediately, braking the Printing machine that is triggered by the occurrence of the tear allows inside a transition period of a few seconds, the transportation of the rail supply to continue, which is now in the waste container before passing through the dryer 6 is performed, as shown by the way in Figure 4c.
  • those in the web catching device 5 arranged group of two rollers 37 and the one mounted below it Waste bin provided.
  • the machine stops for about 6 seconds braked. At a web speed of approx. 10 m / sec. can within this Time period up to 40 m web can be introduced into the machine. The torn part the printed web 22 is continued on the driven cooling rollers in the Superstructure of turning bars and guided into the first longitudinal folding device 11, it is then taken out of the paper passage 38 if no precautions to be hit.
  • Adhesive 28 leads to an adhesive connection of the supply web 21 to the printing web 22; the idle rotation of the cooling rollers 30 of group 7 and that in the Superstructure 10 of pull rolls lying on turning bars then guide the connected ones Tracks 21, 22 around these rollers 30 and along the path of the paper passage 38 into the superstructure 10 and into the first longitudinal folding device until the Machine.
  • the web 21, 22 remain but along the paper passage 38 in the group 7 of cooling rolls to that Folding former 11.
  • the paper passage 38 thus remains in the components which are difficult to access of the machine, as in group 7 of cooling rolls or superstructure 10 of turning bars, including in the former 11, without the need laboriously reintroducing the web or webs into these components.
  • the emergency device according to the invention can not only on group 7 of Cooling rollers but also on the dryer 6 at the exit of the superstructure 10 from Turning bars and in the folding machine 8 are arranged above the former 11.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Rotary Presses (AREA)

Claims (16)

  1. Dispositif d'urgence, qui est rendu actif en cas de rupture ou déchirement d'une bande de papier dans une machine à imprimer rotative se trouvant en état de fonctionnement, comprenant un dérouleur (14) autour duquel est enroulée une bande de papier de réserve (21) et qui est positionné par rapport à une bande de papier imprimée (22) de façon telle, que la bande de papier de réserve (21) et la bande de papier imprimée (22) puissent être appliquées l'une contre l'autre, et comprenant également des moyens (24, 33, 16) pour relier la bande de papier de réserve (21) à la bande de papier déjà imprimée (22) en vue d'assurer la continuité de son passage (38) dans une partie de machine située en aval du dérouleur (14),
    caractérisé en ce que le dispositif d'urgence possède ses propres moyens d'entraínement (17, 18, 19, 20) qui amènent la vitesse de la bande de papier de réserve (21) sensiblement à la vitesse de la machine à imprimer, la largeur de la bande de papier de réserve (21) correspondant sensiblement à la largeur de la bande de papier imprimée (22).
  2. Dispositif d'urgence selon la revendication 1, caractérisé en ce que le dérouleur (14) est monté dans un support pivotant (16).
  3. Dispositif d'urgence selon la revendication 1 ou 2, caractérisé par un élément de positionnement (24), qui sert à l'application de la bande de papier de réserve (21) contre la bande de papier imprimée (22).
  4. Dispositif d'urgence selon la revendication 3, caractérisé en ce que l'élément de positionnement (24) est un vérin commandé par un fluide de pression, notamment commandé par voie pneumatique ou hydraulique.
  5. Dispositif d'urgence selon l'une des revendications précédentes, caractérisé en ce que le dérouleur (14) est placé à une distance la plus faible possible de la bande de papier imprimée (22), de façon telle que le parcours pour appliquer la bande de papier de réserve (21) contre la bande imprimée (22) en déplacement, soit plus petit que le diamètre de la bande de papier de réserve (21) enroulée.
  6. Dispositif d'urgence selon l'une des revendications précédentes, caractérisé en ce que la bande de papier de réserve (21) présente sur sa face dirigée vers la bande de papier imprimée (22), des moyens adhésifs (28), notamment des rubans adhésifs double face.
  7. Dispositif d'urgence selon la revendication 6, caractérisé en ce que les moyens adhésifs (28) sont placés de façon espacés les uns des autres sur la largeur de la bande de papier de réserve (21).
  8. Dispositif d'urgence selon l'une des revendications précédentes, caractérisé en ce que les moyens d'entraínement (17) agissent sur la surface périphérique extérieure de la bande de papier de réserve (21).
  9. Dispositif d'urgence selon l'une des revendications 1 à 7, caractérisé en ce que les moyens d'entraínement (18) agissent directement sur le tourillon (15) du dérouleur (14).
  10. Dispositif d'urgence selon l'une des revendications 1 à 9, caractérisé en ce qu'il est positionné dans un groupe (7) de cylindres de refroidissement (30), le dérouleur (14) étant disposé au voisinage de l'un des cylindres de refroidissement (30) en vue d'obtenir la continuité du passage (38) de la bande de papier dans et après le refroidisseur.
  11. Dispositif d'urgence selon l'une des revendications 1 à 9, caractérisé en ce qu'il est positionné dans une superstructure (10) de barres de retournement, le dérouleur étant disposé au voisinage d'une barre de retournement en vue d'obtenir la continuité du passage de la bande de papier dans et après la superstructure.
  12. Dispositif d'urgence selon l'une des revendications 1 à 9, caractérisé en ce qu'il est positionné dans une machine de pliage (8, 11) d'une machine à imprimer rotative, le dérouleur étant disposé au voisinage d'un cylindre placé sur la machine de pliage en vue d'obtenir la continuité du passage de la bande de papier dans et après la machine de pliage.
  13. Dispositif d'urgence selon l'une des revendications précédentes, caractérisé en ce que les moyens d'entraínement (17, 18, 19, 20) maintiennent la vitesse de la bande de papier de réserve (21) à la vitesse de la machine à imprimer.
  14. Dispositif d'urgence selon l'une des revendications précédentes, caractérisé en ce que la largeur de bande de la bande de papier de réserve (21) correspond sensiblement à la largeur de bande de la bande de papier imprimée (22).
  15. Dispositif d'urgence selon l'une des revendications précédentes, caractérisé en ce que la bande de papier de réserve (21) forme une petite bobine (14a) enroulée sur un dérouleur (14), et est notamment constituée par la fin d'une bobine.
  16. Utilisation d'une bande de réserve enroulée sur un dérouleur (14) et formant une petite bobine, notamment la fin d'une bobine, dans un dispositif d'urgence selon l'une des revendications 1 à 15, pour la relier à une bande de papier imprimée (22) immédiatement après l'apparition d'une rupture ou d'un déchirement de bande, de la manière suivante, à savoir que la bande de papier de réserve (21) est amenée et maintenue sensiblement à la vitesse de la machine à imprimer par des moyens d'entraínement (17, 18, 19, 20), et en ce que les bandes reliées (21, 22) assurent la continuité de passage du papier (38) à travers des modules de la machine à imprimer.
EP98110494A 1997-07-22 1998-06-08 Dispositif pour raccorder des bandes pendant la rotation de bobines Expired - Lifetime EP0893382B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9709270A FR2766472B1 (fr) 1997-07-22 1997-07-22 Dispositif de secours en cas de rupture de bande de papier dans une machine rotative a imprimer en fonctionnement
FR9709270 1997-07-22

Publications (2)

Publication Number Publication Date
EP0893382A1 EP0893382A1 (fr) 1999-01-27
EP0893382B1 true EP0893382B1 (fr) 2003-03-19

Family

ID=9509461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110494A Expired - Lifetime EP0893382B1 (fr) 1997-07-22 1998-06-08 Dispositif pour raccorder des bandes pendant la rotation de bobines

Country Status (5)

Country Link
US (1) US6065401A (fr)
EP (1) EP0893382B1 (fr)
JP (1) JPH1177977A (fr)
DE (2) DE59807520D1 (fr)
FR (1) FR2766472B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1710510A1 (fr) 2005-03-22 2006-10-11 Goerke, Ulla Dispositif de fixation pour fixer un radiateur à plaques sur un mur et procédé de fabrication un tel dispositif de fixation
DE102005023396B3 (de) * 2005-05-20 2006-11-02 Michael Nebert Verfahren zum automatisierten Reparieren einer Papierbahn, Vorrichtung hierzu sowie Papierverarbeitungsmaschine

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US6227731B1 (en) * 1999-10-14 2001-05-08 Eastman Kodak Company Printing apparatus
KR100408667B1 (ko) * 1999-11-19 2003-12-11 주식회사 포스코 연마 캐빈 간 파단 스트립 클램핑 및 인출 안내 장치
CA2714149A1 (fr) * 2007-02-02 2008-08-07 G24 Innovations Limited Reseaux de cellules photovoltaiques
EP2164788B1 (fr) * 2007-06-21 2013-08-14 Peter A. Rodriguez Système de capture de feuille de papier déchirée
JP5412217B2 (ja) * 2009-09-08 2014-02-12 株式会社ミヤコシ 印刷加工製品の製造装置
TWI494261B (zh) * 2010-07-14 2015-08-01 Bobst Sa 用於轉換網狀基材，進料站及包裝生產機之保護轉換單元的方法
JP6187647B1 (ja) * 2016-07-28 2017-08-30 富士ゼロックス株式会社 画像形成装置、連続媒体搬送装置、および画像形成システム

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US4575017A (en) * 1984-06-04 1986-03-11 Essex Group, Inc. Paster tab and method of use
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DE3929227A1 (de) * 1989-09-02 1991-03-07 Koenig & Bauer Ag Papierbahntrenn- und -halteeinrichtung
WO1993002954A1 (fr) * 1991-07-29 1993-02-18 Kabushiki Kaisha Sankyo Seiki Seisakusho Dispositif utilise pour supporter du papier frictionne sur machine
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DE69502083T3 (de) * 1994-06-16 2004-03-11 Metso Paper, Inc. Verbindungsvorrichtung für eine kontinuierlich arbeitende abwickelstation
DE19509167C2 (de) * 1995-03-14 1997-04-03 Koenig & Bauer Albert Ag Bahnfangvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1710510A1 (fr) 2005-03-22 2006-10-11 Goerke, Ulla Dispositif de fixation pour fixer un radiateur à plaques sur un mur et procédé de fabrication un tel dispositif de fixation
DE102005023396B3 (de) * 2005-05-20 2006-11-02 Michael Nebert Verfahren zum automatisierten Reparieren einer Papierbahn, Vorrichtung hierzu sowie Papierverarbeitungsmaschine

Also Published As

Publication number Publication date
JPH1177977A (ja) 1999-03-23
DE19825467A1 (de) 1999-01-28
US6065401A (en) 2000-05-23
DE59807520D1 (de) 2003-04-24
FR2766472A1 (fr) 1999-01-29
EP0893382A1 (fr) 1999-01-27
FR2766472B1 (fr) 1999-10-29

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