EP2070853A1 - Pont d'une installation de carton ondulé - Google Patents

Pont d'une installation de carton ondulé Download PDF

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Publication number
EP2070853A1
EP2070853A1 EP07023823A EP07023823A EP2070853A1 EP 2070853 A1 EP2070853 A1 EP 2070853A1 EP 07023823 A EP07023823 A EP 07023823A EP 07023823 A EP07023823 A EP 07023823A EP 2070853 A1 EP2070853 A1 EP 2070853A1
Authority
EP
European Patent Office
Prior art keywords
roller
pivotable
web
bridge according
control frame
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.)
Withdrawn
Application number
EP07023823A
Other languages
German (de)
English (en)
Inventor
Peter Kespohl
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.)
Fife Tidland GmbH
Original Assignee
Fife Tidland 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 Fife Tidland GmbH filed Critical Fife Tidland GmbH
Priority to EP07023823A priority Critical patent/EP2070853A1/fr
Priority to US12/315,899 priority patent/US20090212085A1/en
Publication of EP2070853A1 publication Critical patent/EP2070853A1/fr
Withdrawn legal-status Critical Current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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/038—Controlling transverse register of web by 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
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/212—Accumulators of zigzag-type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1762—Corrugated

Definitions

  • the present invention relates to a plant for the production of corrugated board and in particular the bridge of such a plant.
  • single facer one-sided corrugated board machines in which a smooth web is brought together with a brought between two heated corrugating rollers in a corrugated web and glued to a single-sided path.
  • duplex corrugated board composed of a smooth surface cover, a wave, a smooth false ceiling, a second wave and the back surface cover two sequentially arranged single facer are required, the one-sided webs are glued in a further manufacturing step and with a cover sheet ,
  • the unilateral web slides from the single facer farther away from the bonding station via a table which is arranged above the course of the path coming from the closer single facer.
  • the supply of three single-sided webs takes place in three superimposed floors.
  • each unilateral web passes through a preheating station assigned to it.
  • the bridge of a corrugated board plant is a station arranged between the single facers and the preheaters with the running one-sided tracks on their way supporting floor-by-floor arranged tables, wherein the gliding from the more distant single facer one-sided tracks in a long straight extension, while the lowest one-sided path from the nearby single facer on their short lower table is pushed together to waves and loops and thus forms a stored track stock.
  • a control device is provided for each one-sided web to achieve good quality and reduce edge drop, which on the one hand bring the tensile forces acting in the single-sided corrugated webs to a preset value and keep constant, and on the other hand the position of the unilateral webs centered Align the system and hold it in this position.
  • unevenness in the position of the single-sided corrugated cardboard which inter alia arise through the storage process, is compensated for again and a constant web tension is produced for the following preheating.
  • the solution with the control frame according to / Fife-Tidland 2006 / has the advantage that the path correction not only acts in the outlet, but is also observed in the inlet and thus on the bridge itself. Furthermore, the angular displacement of the rollers is lower, so that the web tension distribution in the outlet is more uniform than in the solution according to Niemann 1990th This is the more the case, the smoother the table surfaces of the bridge are executed, because under such conditions, the place of the strongest shifts Railway bend furthest in front of the control frame. It is therefore generally possible to dispense with additional equipment according to Niemann & Wulf 1992.
  • the invention has for its object to improve the running of the lower single-sided corrugated board so that a safe system planning and easy commissioning is achieved.
  • the lowermost of the one-sided tracks forms a loosely stored stored web supply and is supplied from this under two-way reversal direction reversal a braking roller having a control frame, wherein the first direction reversal takes place in the opposite direction of the manufacturing process via a fixed guide element.
  • the second reversal of direction takes place back in the direction of the production process in two stages, wherein initially a deflection takes place about a fixed deflecting element in a vertically upward movement and above this fixed deflecting a pivotable about a vertical axis deflecting roller is provided, over which the web the second deflection stage experiences in the direction of its control frame, in which it wraps around the pivotable guide roller only by about 90 degrees.
  • the pivotable guide roller can automatically or controlled parallel to the rollers of the subsequent control frame set and it arises between the fixed deflecting element and the controllable guide roller extending parallel to the pivot axis trajectory section, the only at the pivoting adjustments is twisted and thus not exposed to unilateral tensile stresses, which are ultimately responsible for the undesirable reactions at the Bruumlenkitch.
  • the braking device used to control the web tension on the section behind the control frame to the preheater needs a minimum train in the inlet, so that friction can take effect and the braking effect can be effective. If this minimum train is undershot, then the web slides over the stationary brake roller and a regulation of the train is no longer possible.
  • the proposed guidance of the web at the second deflection provides sufficient resistance to generate the required web tension.
  • the variations in the web tension caused by the Entschlaufungslui the corrugated cardboard web during removal from the stored stock attenuated.
  • the freely suspended between the first and second deflection portion of the single-sided corrugated web ensures its up and down movement for a partial compensation of Bruzugschwankache due to the Entschlaufungsreaes.
  • the pivotable guide roller is freely pivotable and is brought only by the corrugated board itself in the correct position and held there.
  • the pivot axis of the guide roller plant to be arranged centrally and secondly, the control frame is to be executed or set so that the center of its translation-rotational movement path coincides approximately with the pivot axis of the pivotable guide roller.
  • the pivotable guide roller is also free to pivot and is brought only by the corrugated board itself in the correct position and held there, but in addition measures to increase the friction between the corrugated board and the roller are applied, for example, a plasma coating or plastic coating the roll surface.
  • the roll can be wrapped with specially prepared adhesive tapes.
  • the pivotable guide roller is in turn freely pivotable and is brought only by the corrugated board itself in the correct position and held there;
  • the roller surface is designed by a rotation axis parallel structuring so that the running over this surface shaft side of the single-sided corrugated board web finds particularly good support to produce a certain positive fit.
  • a structuring can be used which has a negative height profile to the corrugated cardboard and thus creates a toothing.
  • the pivotable guide roller is connected by traction cables with the control frame so that the actuating forces no longer need to be transmitted from the corrugated web, but are transmitted by these traction cables.
  • the pivotable guide roller is to be adjusted by means of a motor drive and by electronic means, this drive should be controlled so that the guide roller is oriented parallel to the rollers of the control frame.
  • This is to be equipped with a sensor for its current position (angular position). If in the following, for simplification, only angular encoders are used, a sensor is meant in the sense mentioned here.
  • a second controller is additionally used, which corrects their angle again by a certain degree, starting from a pivotable deflection roller set at the same angle. Since the reaction of the control frame to an angular change of the pivotable guide roller in practice does not occur immediately and the response delay is dependent on the speed of the corrugated web, should be used for the second controller, the known solutions in which the control behavior is influenced by the web speed.
  • a well-known method is in DE 33 04 799 / Dingerkus 1983 / described and it can be used instead of the measuring devices used there for the web position here angle sensors.
  • a signal limiter following the second regulator should limit the additional angular adjustment to the degree tolerated by the corrugated board web.
  • a wrap-around angle-increasing twin roller can be arranged directly downstream, so that an increase in the frictional engagement results in this way.
  • the one-sided corrugated board of the further removed single facer coming from the stored web supply from the next single-sided web 1 slides in the upper floor via a table not provided with reference to their control frame 3 and further into the preheating station 34, where it wraps around the uppermost heated drum and is heated to prepare for subsequent bonding. It then passes through the gluing unit 36, in which the crests of its shaft receive a glue application, and from here to the merging station 38 of the gluing machine.
  • the unilateral web 2 of the nearby single facer from the intermediate deck of the manufactured duplex corrugated cardboard and its glued shaft pushes to the stored web supply 8 together, wherein at full filling of the memory, as in Fig. 1 it can be seen, a stop 9 is reached.
  • this lower unilateral web 2 passes to its lower control frame 4 and from here in the same way through the preheating station 34 and the gluing unit 36 to the merging station 38.
  • the dispenser 32 for the other outer deck track 30 which also wraps around a heated drum in the preheating and from here to the merge station 38, where the finished structure of the duplex corrugated board is formed.
  • Fig. 2 shows more details, in which case the memory with the web supply 8 is not completely filled.
  • the control frame 4 is in response to the signals of a lighting 4e having measuring device 4d for Track position determination adjusted transversely to the direction of production on a translation-rotation trajectory and guided by bearings 4f. The center of this trajectory is at 5a.
  • the control frame 4 includes two control rollers 4a and 4c and between these offset a brake roller 4b, which opposes their rotation by means of a brake, not shown, a braking torque. It is important that when the web enters the control frame in it a minimum tensile force acts, so that it comes to a frictional engagement with the brake roller 4b and this can develop their braking effect.
  • a deflection roller 5 which is pivotable about a central vertical pivot axis 5a is arranged above the fixed deflecting element 6, a deflection roller 5 which is pivotable about a central vertical pivot axis 5a is arranged. This is mounted between the cheeks of a pivoting frame 5b and the axis of rotation of the pivotable guide roller 5 is offset relative to the pivot axis 5a by an amount to the control frame 4 out. Its translation-rotation trajectory has the center approximately coinciding with the pivot axis 5a, and because of the offset, the pivotal movement of the pivotable guide roller 5 is not a pure rotation about one vertical axis but a pendulum movement short pendulum length.
  • the fixed guide member 7 is preferably a fixedly mounted roller, but may also be an immovable rod depending on the circumstances.
  • the fixed deflection element 6 is preferably an immovable rod, but may be more advantageous under certain circumstances, a fixed rotatable deflection roller.
  • the pivotable guide roller 5 is completely free to pivot, so that it is only pulled from the running Bahntrum to the control frame 4 in a pivotal position in which it is aligned parallel to the rollers. If the effect does not occur with sufficient certainty, the coefficient of friction of the roll surface can be increased by suitable means, or the surface can be corrugated in the direction of the surface lines, for instance in correspondence with the wave of the unilateral web 2 passing over it, so that a kind of positive engagement results like this in Fig. 4 is illustrated. Another possible option is, according to Fig. 5 the pivotable guide roller 5.1 immediately after a twin roll 5.2, which increases the wrap angle of the upstream roller 5.1.
  • FIG. 6 shows how, for example, the pivotable guide roller 5 can be connected by means of tension members 10 with the control frame 4.
  • Fig. 7 is also 4h operated in response to the signals of the Solagemeßvorraum 4e / 4d actuator 4h of the control frame 4 and this additionally has a Winkelpositionsmeßr 4g, the signals of which are fed to the first input of a summing node 20a. Its second input is acted upon by the signals of an angle sensor 5c of the pivotable guide roller 5 and the difference resulting from the signal to a controller 20b, which controls a motor driver 20 c acting on the pivot frame 5b servomotor 5d so that the pivotable guide roller 5 follows the pivoting movements of the control frame 4 and its rollers.
  • a controller 20b which controls a motor driver 20 c acting on the pivot frame 5b servomotor 5d so that the pivotable guide roller 5 follows the pivoting movements of the control frame 4 and its rollers.
  • the summation node 20a is additionally supplied via a second controller 20d a signal formed from the web speed v orbit and angular position ⁇ of the control frame and a limiter 20e, the resulting additional angular adjustment to a for the Restricted use case acceptable level, the summing node 20a is applied.
  • the signal obtained in the second controller 20d from the control frame angular position signal and the speed signal takes into account the web speed-dependent deceleration of the reaction of the control frame to an angular change of the pivotable deflection roller, as indicated above as an advantageous development.

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  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP07023823A 2007-12-10 2007-12-10 Pont d'une installation de carton ondulé Withdrawn EP2070853A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07023823A EP2070853A1 (fr) 2007-12-10 2007-12-10 Pont d'une installation de carton ondulé
US12/315,899 US20090212085A1 (en) 2007-12-10 2008-12-08 Bridge of a corrugating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07023823A EP2070853A1 (fr) 2007-12-10 2007-12-10 Pont d'une installation de carton ondulé

Publications (1)

Publication Number Publication Date
EP2070853A1 true EP2070853A1 (fr) 2009-06-17

Family

ID=39336227

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07023823A Withdrawn EP2070853A1 (fr) 2007-12-10 2007-12-10 Pont d'une installation de carton ondulé

Country Status (2)

Country Link
US (1) US20090212085A1 (fr)
EP (1) EP2070853A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797091A (en) 1955-08-05 1957-06-25 Irwin L Fife Web shifting apparatus
DE1093315B (de) 1958-12-24 1960-11-24 Erhardt & Leimer O H G Seitensteuerung fuer laufende Warenbahnen
US3326435A (en) 1965-09-27 1967-06-20 Fife Mfg Company Inc Offset pivoted web guiding apparatus
GB2053856A (en) * 1979-06-08 1981-02-11 Astin France Assistance Tech Device for regulating the tension of a travelling web
GB2064490A (en) * 1979-12-05 1981-06-17 Rengo Co Ltd Method of and apparatus for guiding a fibrous corrugated web
DE3324799C2 (de) 1983-07-09 1985-12-19 Willi Dipl.-Ing. 6604 Güdingen Steuer Geschlossene, elastisch verformbare, außen und innen steifsetzbare Kette (Wälzkette) mit einteiligem, durchgehendem Riemen
DE3910548C1 (fr) 1989-04-01 1990-04-26 Erhardt + Leimer Gmbh, 8900 Augsburg, De
EP0519261A1 (fr) 1991-06-17 1992-12-23 Erhardt & Leimer GmbH Dispositif pour guider une bande latéralement stable
EP0722899A2 (fr) 1995-01-20 1996-07-24 ERHARDT + LEIMER GmbH Procédé et dispositif pour compenser les forces de tension sur la largeur d'une bande en mouvement

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2710045A (en) * 1953-02-06 1955-06-07 George W Swift Jr Inc Corrugated paper web guiding and tensioning apparatus
US3826416A (en) * 1969-12-17 1974-07-30 Fuji Photo Film Co Ltd Web edge position controlling device
US4069959A (en) * 1976-10-27 1978-01-24 Butler Automatic, Inc. Web guide apparatus
US4453659A (en) * 1982-06-28 1984-06-12 Eastman Kodak Company Web guiding apparatus
US4901903A (en) * 1986-08-26 1990-02-20 Eastman Kodak Company Web guiding apparatus
US4760627A (en) * 1987-03-23 1988-08-02 Enrique Schele Apparatus for an oscillating pinch roll assembly utilized in the extrusion of blown films
US6027591A (en) * 1996-09-16 2000-02-22 United Container Machinery, Inc. Single face splicer and method of using the same
US5769298A (en) * 1997-07-25 1998-06-23 Fife Corporation Guiding apparatus for webs having at least two thicknesses
JP3382196B2 (ja) * 2000-01-05 2003-03-04 株式会社東京機械製作所 ウェブ紙位置調整装置
DE10022926C2 (de) * 2000-05-11 2002-04-11 Erhardt & Leimer Gmbh Vorrichtung zum Verschwenken eines Drehrahmens
US6866176B2 (en) * 2001-09-11 2005-03-15 Jack C. Harris Web tension equalizing roll and tracking apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797091A (en) 1955-08-05 1957-06-25 Irwin L Fife Web shifting apparatus
DE1093315B (de) 1958-12-24 1960-11-24 Erhardt & Leimer O H G Seitensteuerung fuer laufende Warenbahnen
US3326435A (en) 1965-09-27 1967-06-20 Fife Mfg Company Inc Offset pivoted web guiding apparatus
GB2053856A (en) * 1979-06-08 1981-02-11 Astin France Assistance Tech Device for regulating the tension of a travelling web
GB2064490A (en) * 1979-12-05 1981-06-17 Rengo Co Ltd Method of and apparatus for guiding a fibrous corrugated web
DE3324799C2 (de) 1983-07-09 1985-12-19 Willi Dipl.-Ing. 6604 Güdingen Steuer Geschlossene, elastisch verformbare, außen und innen steifsetzbare Kette (Wälzkette) mit einteiligem, durchgehendem Riemen
DE3910548C1 (fr) 1989-04-01 1990-04-26 Erhardt + Leimer Gmbh, 8900 Augsburg, De
EP0519261A1 (fr) 1991-06-17 1992-12-23 Erhardt & Leimer GmbH Dispositif pour guider une bande latéralement stable
EP0722899A2 (fr) 1995-01-20 1996-07-24 ERHARDT + LEIMER GmbH Procédé et dispositif pour compenser les forces de tension sur la largeur d'une bande en mouvement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Lösungen für die Wellappenindustrie", 2006, FIFE, XP002480873 *

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