EP1325808B1 - Structure de transport - Google Patents

Structure de transport Download PDF

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Publication number
EP1325808B1
EP1325808B1 EP02027009A EP02027009A EP1325808B1 EP 1325808 B1 EP1325808 B1 EP 1325808B1 EP 02027009 A EP02027009 A EP 02027009A EP 02027009 A EP02027009 A EP 02027009A EP 1325808 B1 EP1325808 B1 EP 1325808B1
Authority
EP
European Patent Office
Prior art keywords
roller
nominal
web
draw
conveyor unit
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
EP02027009A
Other languages
German (de)
English (en)
Other versions
EP1325808A2 (fr
EP1325808A3 (fr
Inventor
Karl Waldeck
Ulli Bösl
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau 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.)
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Publication date
Application filed by BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Corrugated Maschinen und Anlagenbau GmbH
Publication of EP1325808A2 publication Critical patent/EP1325808A2/fr
Publication of EP1325808A3 publication Critical patent/EP1325808A3/fr
Application granted granted Critical
Publication of EP1325808B1 publication Critical patent/EP1325808B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/2863—Corrugating cylinders; Supporting or positioning means therefor; Drives therefor
    • B31F1/2868—Exchangeable corrugating cylinders

Definitions

  • the invention relates to a transport unit for transporting a material web, in particular for transporting a corrugated web in a corrugated board plant.
  • the invention has for its object to provide a transport unit for webs, which transports the web with the least possible wear.
  • the object is solved by the features of claim 1.
  • the essence of the invention is to provide in the transport unit, a lower transport roller, which is constantly driven by a drive. Furthermore, a tension roller with a high coefficient of friction is provided, which is connected to the transport roller via a torque transmission device coupled with a freewheel. The transmission ratio of the torque-transmitting device is selected such that the freewheel engages when the speed of the corrugated web and thus the rotational speed of the tension roller falls below a predetermined value.
  • the corrugated board 1 partially shown in Fig. 1 will be described below in the transport direction 2.
  • a corrugated web 3 is fed by means of a heating and traction device 4.
  • the heating and traction device 4 has an endless drivable Andschreibgurt 5, which defines together with a table 6 a gap 7, in which the corrugated web 3 is compressed.
  • Behind the heating and traction device 4, a cross cutter 8 is provided for the transverse sectioning of the corrugated web 3.
  • a slitting and creasing device 9 Downstream of the cross cutter 8 a slitting and creasing device 9 is provided.
  • the longitudinal cutting and creasing device 9 grooves and longitudinal cuts, including a marginal edge cut, are made in the corrugated web 3.
  • a transport unit 10 described in more detail below is provided, in which the corrugated web 3, when its actual speed v B (actual) falls below a desired speed v B (setpoint), is transported especially.
  • a switch 11 is provided, are divided by the various parts of the corrugated web 3 via two tables 12 and then fed to a double cross cutter 13, in which the corrugated strips are divided into individual sections.
  • the transport unit 10 is understood in the broadest sense to mean a unit which transports a material web, if necessary also material web sections. It can also be transported several webs side by side. When transport units are understood, for example, even in corrugated plants Schneider-Riller machines.
  • the transport unit 10 has a machine frame 14 with lateral vertical support walls 15 and 16, which run parallel to each other. Between the support walls 15 and 16, a horizontally arranged and perpendicular to the transport direction 2 extending transport roller 17 is arranged, which has two end projecting shaft journals 18, 19 which are rotatable in bearings 20, 21 in the support walls 15 and 16 about a rotation axis 22 are stored.
  • the transport roller 17 is formed as a hollow roller with a roller shell 23, at the ends of the shaft pin 18, 19 are attached.
  • the roller shell 23 is made of metal, in particular steel.
  • the static friction coefficient ⁇ between the surface of the transport roller 17 and a paper web is approximately 0.05 ⁇ ⁇ ⁇ 0.25, in particular ⁇ ⁇ 0.15.
  • a tension roller 24 is rotatably mounted in bearings 25, 26 about a rotation axis 27.
  • the bearings 25 and 26 are attached via support arms 28 to the support walls 15 and 16, respectively.
  • the tension roller 24 has a shaft 29 extending from the bearing 25 to the bearing 26, on which axially spaced numerous rollers 30 are attached.
  • the rollers 30 are made of plastic, in particular rubber, and have a cylindrical surface 31.
  • the pull roll surface friction coefficient is selected to assure force transfer from the roll 30 and thus the pull roll 24 to the corrugated web 3. The tension roller surface friction coefficient is thus greater, in particular considerably larger than the transport roller surface friction coefficient.
  • the static friction coefficient ⁇ between the surface of the tension roller 24 and a paper material web is approximately 0.6 .mu.m.ltoreq.0.8, in particular .mu. ⁇ 0.7.
  • a transport gap 32 is formed through which the corrugated web 3 is guided on the transport roller 17 and the tension roller 24 respectively fitting.
  • the rollers 30 have evenly distributed, substantially radially outwardly extending, closed in the radial direction slats 33. However, massive rollers 30 without fins 33 can also be used.
  • the axes of rotation 22 and 27 are parallel to each other.
  • a drive motor 34 is fixed, which is connected via a belt drive 35 with a pulley 36 in a torque-transmitting manner.
  • the pulley 36 is connected to the shaft journal 18th connected.
  • a gear 37 is mounted on the shaft journal 18.
  • the transport roller 17, the pulley 36 and the gear 37 are rotatable about the common axis of rotation 22.
  • a drive shaft 40 rotatable about a rotation axis 39 is mounted in the support wall 15 with a bearing 38.
  • the drive shaft 40 has at its left in Fig. 2 end a connected to the drive shaft 40 gear 41 which is in engagement with the gear 37.
  • the drive shaft 40 is connected to a propeller shaft 42, which in turn is connected at its other end to the shaft 29.
  • a freewheel 43 is arranged between the gear 41 and the drive shaft 40.
  • the freewheel 43 is a commercially available freewheel, which allows rotation of the gear 41 relative to the drive shaft 40 in one direction and blocked in the other direction.
  • the axes 39 and 27 are parallel and offset from each other.
  • the operation of the transport unit 10 will be described below.
  • v B target speed
  • the corrugated web is here primarily by units that are downstream of the transport unit 10, pulled and optionally accelerated.
  • the transport roller 17 is driven by the drive motor 34, the belt drive 35 and the pulley 36 so that it has a tangential rotational speed v T in the region of the transport gap 32 and an associated angular velocity ⁇ T.
  • the transport roller 17 is driven in advance, ie the tangential rotational speed v T is greater than the desired speed v B (target) of the corrugated web 3.
  • the draw roller 24 has a tangential Circumferential speed v z (setpoint) and an associated angular velocity ⁇ Z (setpoint), where v Z (setpoint) ⁇ v B (setpoint), ie the rollers 30 run on the corrugated web 3 with substantially no slip.
  • the angular velocity of the drive shaft 40 is thus also ⁇ Z (nominal).
  • the gear 41 is driven constantly, wherein the gear ratio is selected such that in the event that the corrugated web 3 at the speed v B (target) is transported and thus the drive shaft 40, the angular velocity ⁇ Z (Soll ), no torque is transmitted from the gear 41 to the drive shaft 40; the freewheel 43 thus allows a free relative rotation.
  • This has the advantage that in a trouble-free transport of the corrugated web 3 with the desired speed v B (target), the rollers 30 are not driven and thus the wear of the rollers 30 is much lower compared to the situation in which Rollers 30 are always driven.
  • the gear ratio of the gears 37 and 41 is selected such that, in the event that the ratio a of the actual velocity v B (actual) to the target Speed v B (setpoint) falls below a predetermined value a LIM and correspondingly the angular speed of the drive shaft 40 falls below a certain value, the freewheel 43 engages and the shaft 29 is driven by the drive motor 34.
  • a LIM a LIM ⁇ 1, a LIM ⁇ 0.99, especially a LIM ⁇ 0.98. It is important that a LIM outside the usual range of transport speeds v B (target) is in trouble-free state.
  • the transport unit 10 Particularly advantageous on the transport unit 10 is that no electronic control is required.
  • the tension roller 24 In the trouble-free state, the tension roller 24 is not driven, so that their wear is relatively low. Is that sinking? Speed of the corrugated web 3 below a predetermined limit, so is the freewheel 43, a torque from the drive motor 34 is applied to the tension roller 24 so that it continues to promote the corrugated web 3 at least at the predetermined limit speed.
  • This is z. B. in a format change in the corrugated board 1 of importance.
  • the corrugated web 3 is severed with the cross cutter 8. The portion of the corrugated web 3 in front of the cross cutter 8 is accelerated to create a gap for the slitter and scorer 9.
  • the gap is required for the cutting tools to be repositioned in the device 9. If the gap is too small, because the corrugated web section was not removed quickly enough, the repositioning of the tools must be stopped, creating a jam.
  • the corresponding removal of the corrugated web section is accomplished by the transport unit 10, which pulls the corrugated web section from the device 9. It is also possible to provide the transport unit in front of the device 9, as indicated by the reference numeral 10 '.

Claims (10)

  1. Unité de transport destinée à transporter une bande de matière, plus particulièrement une bande de carton ondulé dans une installation de carton ondulé,
    a. avec un bâti de machine (14),
    b. avec un rouleau de transport (17) logé dans le bâti de machine 14 de manière à pouvoir pivoter autour d'un premier axe de rotation (22),
    c. avec un entraînement (34) destiné à entraîner le rouleau de transport (17),
    d. avec un rouleau d'entraînement (24) logé dans le bâti de machine (14) de manière à pouvoir pivoter autour d'un second axe de rotation (27),
    i. le premier (22) et le second (27) axe de rotation s'étendant essentiellement parallèlement l'un par rapport à l'autre,
    ii. entre le rouleau de transport (17) et le rouleau d'entraînement (24) étant formée une fente de transport (32) destinée à réaliser la bande de matière,
    iii. le rouleau d'entraînement (24) présentant un coefficient d'adhérence de surfaces du rouleau d'entraînement qui est choisi de telle manière qu'une transmission de force soit garantie du rouleau d'entraînement (24) à la bande de matière (17) plaquée, et
    iv. le rouleau de transport (17) présentant un coefficient d'adhérence de surfaces du rouleau de transport qui est inférieur même au coefficient d'adhérence de surfaces de rouleau d'entraînement, et
    e. avec un dispositif de transmission du couple agissant entre le rouleau de transport (17) et le rouleau d'entraînement (24), destiné à transmettre le couple du rouleau de transport (17) au rouleau d'entraînement (24),
    i. entre le dispositif de transmission du couple et le rouleau d'entraînement (24) étant disposée une roue libre (43).
  2. Unité de transport selon la revendication 1, caractérisée en ce que le dispositif de transmission du couple est conçu comme un entraînement par roues dentées.
  3. Unité de transport selon la revendication 2, caractérisée en ce que l'entraînement par roues dentées présente une première roue dentée (37) reliée au rouleau de transport (17) de manière à transmettre le couple, ainsi qu'une seconde roue dentée (41) reliée au rouleau d'entraînement (24) de manière à transmettre le couple, lesquelles roues dentées sont en prise l'une avec l'autre.
  4. Unité de transport selon la revendication 3, caractérisée en ce que le rouleau d'entraînement (24) présente un arbre d'entraînement (40) relié à celui-ci de manière à transmettre le couple, la roue libre (43) étant disposée entre la seconde roue dentée (41) et l'arbre d'entraînement (40).
  5. Unité de transport selon l'une quelconque des revendications précédentes, caractérisée en ce que le rouleau d'entraînement (24) présente un arbre de rouleau d'entraînement (29) logé de manière à pouvoir pivoter, sur lequel est fixé au moins un galet (30).
  6. Unité de transport selon l'une quelconque des revendications précédentes, caractérisée en ce que lors d'un fonctionnement sans défaut
    a) la bande de matière (3) peut être transportée à une vitesse prescrite prédéterminée vB(prescrite),
    b) le rouleau de transport (17) peut être entraîné à une vitesse de rotation tangentielle prédéterminée vT et à une vitesse angulaire afférente ωT, et
    c) le rouleau d'entraînement (24) présente une vitesse de rotation tangentielle vZ et une vitesse angulaire afférente ωT de sorte que s'applique : vZ ≈ vB(prescrite) .
  7. Unité de transport selon la revendication 6, caractérisée en ce que pour le rapport de la vitesse de rotation tangentielle VT du rouleau de transport et de la vitesse prescrite vB(prescrite) de la bande de matière (3) s'applique ce qui suit : vT/vB (prescrite) > 1, plus particulièrement vT/vB(prescrite) ≥ 1,01, particulièrement avantageux vT/vB(prescrite) ≈ 1,04.
  8. Unité de transport selon la revendication 6 ou 7, caractérisée en ce que le dispositif de transmission du couple est conçu de telle manière que si la vitesse réelle vB (réelle) de la bande de matière (3) est inférieure à la vitesse prescrite vB(prescrite) de la bande de matière (3), un couple est transmis, via la roue libre (43), au rouleau d'entraînement (24) si pour le rapport de la vitesse de rotation tangentielle vZ du rouleau d'entraînement (24) et de la vitesse prescrite vB(prescrite) de la bande de matière (3) s'applique ce qui suit : vz/vB(prescrite) < 1, plus particulièrement vZ/vB(prescrite) ≤ 0,99, particulièrement avantageux vZ/vB(prescrite) ≈ 0,98.
  9. Unité de transport selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins la surface du rouleau d'entraînement (24) est en caoutchouc.
  10. Unité de transport selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins la surface du rouleau de transport (17) est en métal, plus particulièrement en acier poli.
EP02027009A 2002-01-08 2002-12-03 Structure de transport Expired - Lifetime EP1325808B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10200356A DE10200356A1 (de) 2002-01-08 2002-01-08 Transport-Einheit
DE10200356 2002-01-08

Publications (3)

Publication Number Publication Date
EP1325808A2 EP1325808A2 (fr) 2003-07-09
EP1325808A3 EP1325808A3 (fr) 2005-03-09
EP1325808B1 true EP1325808B1 (fr) 2007-08-15

Family

ID=7711627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02027009A Expired - Lifetime EP1325808B1 (fr) 2002-01-08 2002-12-03 Structure de transport

Country Status (4)

Country Link
US (1) US6869003B2 (fr)
EP (1) EP1325808B1 (fr)
AT (1) ATE369975T1 (fr)
DE (2) DE10200356A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050275160A1 (en) * 2004-06-07 2005-12-15 Reslow Leif F Transport assembly with driven split nip rollers
CN101223025B (zh) * 2005-07-15 2010-06-09 柯尼卡美能达精密光学株式会社 光学薄膜的处理方法、光学薄膜的处理装置及光学薄膜的制造方法
WO2007058093A1 (fr) * 2005-11-21 2007-05-24 Konica Minolta Opto, Inc. Procede de traitement d'un film optique, appareil de traitement d'un film optique, et procede de production d'un film optique
DE102008046153A1 (de) * 2008-09-06 2010-03-11 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Automatische Schmierung

Family Cites Families (19)

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DE604868C (de) * 1931-05-22 1934-10-30 Albert Schnellpressen Antrieb fuer Papierrollen in Druckmaschinen o. dgl. insbesondere Rotationsdruckmaschinen
DE1230642B (de) * 1962-02-03 1966-12-15 Menschner Textil Johannes Antriebsvorrichtung fuer Wickelmaschinen
DE1935303U (de) * 1963-03-27 1966-03-24 Gustav Moehring Antrieb von transportwalzen fuer warenbahnen aller art.
US3493193A (en) * 1968-05-20 1970-02-03 Eastman Kodak Co Strip handling system
DE6925166U (de) * 1969-06-23 1969-10-23 Hans Hoellmueller Rollenbahn fuer aetzmaschinen od. dgl.
US3785543A (en) * 1972-02-01 1974-01-15 Pako Corp Driving mechanism for roller transporting devices
CH550952A (de) * 1972-04-07 1974-06-28 Sig Schweiz Industrieges Getriebe mit in bezug auf seinen synchronbetrag veraenderbaren ausgangswellen-drehwinkel.
US4057185A (en) * 1976-08-16 1977-11-08 Armco Steel Corporation Method and means for operating a pair of pinch rolls
DE3215473C2 (de) * 1982-04-24 1985-03-07 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Verhindern von Druckwerksschäden bei Druckträgerbahnrissen
GB2157250A (en) * 1984-04-13 1985-10-23 Pitney Bowes Inc Envelope conveying device for a mailing machine
DD259963A3 (de) * 1986-07-04 1988-09-14 Robur Werke Zittau Veb Walzenkompensator in maschinen zum behandeln von laufenden stoffbahnen
JPH01103434A (ja) * 1987-10-16 1989-04-20 Rengo Co Ltd 両面段ボールの製造方法及び装置
DE4037096C2 (de) * 1990-11-22 1994-12-08 Pactec Dresden Gmbh Vorrichtung zur Zuführung von Packmittelbahnen mit Innenstreifen
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JP2887752B2 (ja) * 1997-08-15 1999-04-26 株式会社東京機械製作所 紙通し装置における紙送り装置
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Also Published As

Publication number Publication date
DE10200356A1 (de) 2003-07-17
ATE369975T1 (de) 2007-09-15
EP1325808A2 (fr) 2003-07-09
US20030127486A1 (en) 2003-07-10
US6869003B2 (en) 2005-03-22
DE50210694D1 (de) 2007-09-27
EP1325808A3 (fr) 2005-03-09

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