EP1325808A2 - Transport-Einheit - Google Patents
Transport-Einheit Download PDFInfo
- Publication number
- EP1325808A2 EP1325808A2 EP02027009A EP02027009A EP1325808A2 EP 1325808 A2 EP1325808 A2 EP 1325808A2 EP 02027009 A EP02027009 A EP 02027009A EP 02027009 A EP02027009 A EP 02027009A EP 1325808 A2 EP1325808 A2 EP 1325808A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- transport
- target
- speed
- transport 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.)
- Granted
Links
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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 the transport of a corrugated cardboard web in a corrugated cardboard system.
- the transport of a corrugated cardboard web is included a predetermined speed and the acceleration of the corrugated web central to a certain speed, to ensure that machining facilities meet a given Preserved section of corrugated sheet at the right time.
- a Format changes in the slitting and creasing device must Individual corrugated web sections are accelerated to a sufficient level to create large gap within which a new positioning the cutting tools is possible.
- the invention has for its object a transport unit for material webs to create the material web with the least possible wear transported.
- the core the invention consists in the transport unit, a lower transport roller to be provided, which is constantly driven by a drive. Furthermore, a pull roller with a high coefficient of friction is provided with the transport roller via a torque transmission device is coupled with a freewheel. The transmission ratio of the torque transmission device is chosen so that the freewheel engages, if the speed of the corrugated cardboard web and thus the speed of circulation the pull roller falls below a predetermined value.
- the corrugated cardboard plant 1 partially shown in Fig. 1 is as follows described in transport direction 2.
- a corrugated cardboard web 3 is by means of a heating and pulling device 4 supplied.
- the heating and pulling device 4 has an endless, drivable pressure belt 5, which together with a table 6 defines a gap 7 in which the corrugated cardboard web 3 is compressed becomes.
- Behind the heating and pulling device 4 is a cross cutter 8 provided for cross cutting of the corrugated cardboard web 3.
- a longitudinal cutting and creasing device 9 is provided downstream of the cross cutter 8.
- creases and longitudinal cuts including an edge trim trimming are introduced into the corrugated cardboard web 3.
- a transport unit 10 described in more detail below, in which the corrugated board web 3, when its actual speed v B (actual) falls below a target speed v B (target), is particularly transported.
- a switch 11 is provided behind the transport unit 10, through which various parts of the corrugated cardboard web 3 are divided over two tables 12 and then fed to a double cross cutter 13 in which the corrugated cardboard strips are divided into individual sections.
- the transport unit 10 is understood in the broadest sense to mean a unit that transports a material web, possibly also material web sections. Several material webs can also be transported side by side. Schneider-Riller machines are also understood as transport units in corrugated cardboard systems, for example.
- the transport unit 10 has a machine frame 14 with lateral vertical support walls 15 and 16, which are parallel to each other. Between the retaining walls 15 and 16 is a horizontally arranged and perpendicular to the transport direction 2 extending transport roller 17 arranged, the two ends protruding shaft journal 18, 19, which in bearings 20, 21 in the Support walls 15 and 16 are rotatably mounted about an axis of rotation 22.
- the Transport roller 17 is designed as a hollow roller with a roller jacket 23, to which the shaft pins 18, 19 are attached at the end.
- the roller jacket 23 consists of metal, in particular steel.
- the static friction number ⁇ between the surface of the transport roller 17 and one Paper material web is approximately 0.05 ⁇ ⁇ ⁇ 0.25, in particular ⁇ ⁇ 0.15.
- the transport roller 17 Above the transport roller 17 is a pull roller 24 in bearings 25, 26 around an axis of rotation 27 is rotatably supported.
- the bearings 25 and 26 are on support arms 28 attached to the support walls 15 and 16, respectively.
- the pull roller 24 has a shaft 29 extending from the bearing 25 to the bearing 26 on which axially spaced from each other numerous rollers 30 are attached.
- the roles 30 are made of plastic, in particular rubber, and have a cylindrical surface 31.
- the draw roller surface friction coefficient is chosen so that a power transmission from the roller 30 and thus the Pull roller 24 on the corrugated web 3 is ensured.
- the pull roller surface friction coefficient is therefore larger, in particular considerably larger than the transport roller surface friction coefficient.
- the static friction ⁇ between the surface of the pull roller 24 and a paper material web approximately at 0.6 ⁇ ⁇ ⁇ 0.8, in particular ⁇ ⁇ 0.7.
- a transport nip 32 is formed through which the corrugated cardboard web 3 on the transport roller 17 and the pull roller 24, respectively is guided properly.
- the rollers 30 have evenly distributed, extending substantially radially outward, in the radial direction closed slats 33 on. However, massive rollers 30 can also be used can be used without slats 33.
- the axes of rotation 22 and 27 run parallel to each other.
- a drive motor 34 is attached, which via a Belt drive 35 with a pulley 36 in torque-transmitting Way is connected.
- the pulley 36 is with the shaft journal 18th connected. Adjacent to the pulley 36 is on the journal 18 a gear 37 attached.
- the transport roller 17, the pulley 36 and the gear 37 are rotatable about the common axis of rotation 22.
- Above the gear 37 is in the support wall 15 with a bearing 38 around an axis of rotation 39 rotatable drive shaft 40 is mounted.
- the drive shaft 40 has at its left end in FIG. 2 one connected to the drive shaft 40 Gear 41, which is in engagement with the gear 37.
- the drive shaft 40 On hers opposite end is the drive shaft 40 with an articulated shaft 42 connected, which in turn is connected at its other end to the shaft 29 is.
- the freewheel 43 is a commercially available one Freewheel, the 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 run parallel and offset from each other.
- the mode of operation of the transport unit 10 is described below.
- the corrugated cardboard web 3 When the corrugated cardboard web 3 is transported without problems, it has a target speed v B (target) in the transport unit 10.
- the corrugated cardboard web is primarily pulled and possibly accelerated by units downstream of the transport unit 10.
- 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 speed ⁇ T.
- the transport roller 17 is driven prematurely, ie the tangential rotational speed v T is greater than the target speed v B (target) of the corrugated cardboard web 3.
- the pull roller 24 has a tangential rotational speed v z (target) and an associated angular velocity ⁇ Z (target), where v Z (target) ⁇ v B (target), ie the rollers 30 run on the corrugated cardboard web 3 essentially without slippage With.
- the angular velocity of the drive shaft 40 is thus also ⁇ Z (target).
- the gearwheel 41 drives the gearwheel 41 constantly, the transmission ratio being selected such that in the event that the corrugated cardboard web 3 is transported at the speed v B (target) and thus the drive shaft 40 the angular speed ⁇ Z (target ) has no torque transmitted from the gear 41 to the drive shaft 40; the freewheel 43 thus allows a free relative rotation.
- This has the advantage that when the corrugated cardboard web 3 is transported without problems at the desired speed v B (target), the rollers 30 are not driven, and thus the wear of the rollers 30 is also much less compared to the situation in which Rollers 30 are always driven.
- the transmission ratio of the gear wheels 37 and 41 is selected such that in the event that the ratio a of the actual speed v B (actual) to the target Speed v B (target) falls below a predetermined value a LIM and, accordingly, 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, particularly advantageously a LIM ⁇ 0.98. It is important that a LIM lies outside the usual fluctuation range of the transport speeds v B (target) in the trouble-free state.
- the pull roller is in trouble-free condition 24 not driven, so that their wear is relatively low.
- Sinks Speed of the corrugated web 3 below a predetermined Limit value a torque from the drive motor is generated via the freewheel 43 34 given on the pull roller 24 so that this the corrugated web 3 conveyed at least at the predetermined limit speed.
- This is e.g. B. in a format change in the corrugated cardboard system 1 of Importance.
- the corrugated cardboard web 3 with the Cross cutter 8 severed.
- the one in front of the cross cutter 8 Section of corrugated web 3 is accelerated to fill a gap for that Slitting and creasing device 9 to produce.
- the gap is required so that the cutting tools in the device 9 new can be positioned.
- the gap is too small because of the corrugated web section has not been removed quickly enough, the Repositioning of the tools can be canceled, causing a jam arises.
- the corresponding removal of the corrugated cardboard web section is accomplished by the transport unit 10 covering the corrugated web section pulls out of the device 9. It is also possible that Transport unit in front of the device 9, as provided by the Reference numeral 10 'is indicated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Advancing Webs (AREA)
- Making Paper Articles (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Vending Machines For Individual Products (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Die Bonding (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
- Fig. 1
- eine schematische Darstellung einer Wellpappe-Anlage mit einer Transport-Einheit,
- Fig. 2
- einen Schnitt der Transport-Einheit gemäß der Schnittlinie II-II in Fig.1,
- Fig. 3
- eine Draufsicht gemäß dem Sichtpfeil III in Fig. 2 und
- Fig. 4
- eine Schnittdarstellung gemäß der Schnittlinie IV-IV in Fig. 2.
Claims (10)
- Transport-Einheit zum Transport einer Materialbahn, insbesondere zum Transport einer Wellpappebahn in einer Wellpappe-Anlage,a. mit einem Maschinengestell (14),b. mit einer in dem Maschinengestell (14) um eine erste Drehachse (22) drehbar gelagerten Transportwalze (17),c. mit einem Antrieb (34) zum Antrieb der Transportwalze (17),d. mit einer in dem Maschinengestell (14) um eine zweite Drehachse (27) drehbar gelagerten Zugwalze (24), wobeii. die erste Drehachse (22) und zweite Drehachse (27) im wesentlichen parallel zueinander verlaufen,ii. zwischen der Transportwalze (17) und der Zugwalze (24) ein Transport-Spalt (32) zur Durchführung der Materialbahn (3) gebildet ist,iii. die Zugwalze (24) einen Zugwalzen-Oberflächen-Reibwert aufweist, der derart gewählt ist, dass eine Kraftübertragung von der Zugwalze (24) auf die anliegende Materialbahn (3) sichergestellt ist, undiv. die Transportwalze (17) einen Transportwalzen-Oberflächen-Reibwert aufweist, der kleiner gleich dem Zugwalzen-Oberflächen-Reibwert ist, unde. mit einer zwischen der Transportwalze (17) und der Zugwalze (24) wirkenden Drehmomentübertragungs-Einrichtung zur Drehmomentübertragung von der Transportwalze (17) auf die Zugwalze (24), wobeii. zwischen der Drehmomentübertragungs-Einrichtung und der Zugwalze (24) ein Freilauf (43) angeordnet ist.
- Transport-Einheit gemäß Anspruch 1, dadurch gekennzeichnet, dass die Drehmomentübertragungs-Einrichtung als Zahnrad-Antrieb ausgebildet ist.
- Transport-Einheit gemäß Anspruch 2, dadurch gekennzeichnet, dass der Zahnrad-Antrieb ein mit der Transportwalze (17) in drehmomentübertragender Weise verbundenes erstes Zahnrad (37) sowie ein mit der Zugwalze (24) in drehmomentübertragender Weise verbundenes zweites Zahnrad (41) aufweist, die miteinander in Eingriff sind.
- Transport-Einheit gemäß Anspruch 3, dadurch gekennzeichnet, dass die Zugwalze (24) eine mit dieser in drehmomentübertragender Weise verbundene Antriebswelle (40) aufweist, wobei der Freilauf (43) zwischen dem zweiten Zahnrad (41) und der Antriebswelle (40) angeordnet ist.
- Transport-Einheit gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Zugwalze (24) eine drehbar gelagerte Zugwalzen-Welle (29) aufweist, auf der mindestens eine Rolle (30) befestigt ist.
- Transport-Einheit gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass bei einem störungsfreien Betrieba) die Materialbahn (3) mit einer vorbestimmten Soll-Geschwindigkeit vB(Soll) transportierbar ist,b) die Transportwalze (17) mit einer tangentialen vorbestimmten Umlaufgeschwindigkeit vT und einer zugehörigen Winkelgeschwindigkeit ωT antreibbar ist, undc) die Zugwalze (24) eine tangentiale Umlaufgeschwindigkeit vz und eine zugehörige Winkelgeschwindigkeit ωZ aufweist, so dass gilt: vZ≈vB(Soll).
- Transport-Einheit gemäß Anspruch 6, dadurch gekennzeichnet, dass für das Verhältnis der tangentialen Umlaufgeschwindigkeit vT der Transportwalze zur Soll-Geschwindigkeit vB(Soll) der Materialbahn (3) gilt: vT/vB(Soll)>1, insbesondere vT/vB(Soll)≥1,01, besonders vorteilhaft vT/vB(Soll)≈1,04.
- Transport-Einheit gemäß Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Drehmomentübertragungs-Einrichtung derart ausgebildet ist, dass für den Fall, dass die Ist-Geschwindigkeit vB(Ist) der Materialbahn (3) kleiner ist als die Soll-Geschwindigkeit vB(Soll) der Materialbahn (3), über den Freilauf (43) ein Drehmoment auf die Zugwalze (24) gegeben wird, wenn für das Verhältnis der tangentialen Umlaufgeschwindigkeit vZ der Zugwalze (24) zur Sollgeschwindigkeit vB(Soll) der Materialbahn gilt: vZ/vB(Soll)<1, insbesondere vZ/vB(Soll)≤0,99, besonders vorteilhaft vZ/vB(Soll)≈0,98.
- Transport-Einheit gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest die Oberfläche der Zugwalze (24) aus Gummi besteht.
- Transport-Einheit gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest die Oberfläche der Transportwalze (17) aus Metall, insbesondere poliertem Stahl, besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10200356 | 2002-01-08 | ||
DE10200356A DE10200356A1 (de) | 2002-01-08 | 2002-01-08 | Transport-Einheit |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1325808A2 true EP1325808A2 (de) | 2003-07-09 |
EP1325808A3 EP1325808A3 (de) | 2005-03-09 |
EP1325808B1 EP1325808B1 (de) | 2007-08-15 |
Family
ID=7711627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02027009A Expired - Lifetime EP1325808B1 (de) | 2002-01-08 | 2002-12-03 | Transport-Einheit |
Country Status (4)
Country | Link |
---|---|
US (1) | US6869003B2 (de) |
EP (1) | EP1325808B1 (de) |
AT (1) | ATE369975T1 (de) |
DE (2) | DE10200356A1 (de) |
Families Citing this family (4)
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 |
KR20080031010A (ko) * | 2005-07-15 | 2008-04-07 | 코니카 미놀타 옵토 인코포레이티드 | 광학 필름의 처리 방법, 광학 필름의 처리 장치 및 광학필름의 제조 방법 |
US20090232977A1 (en) * | 2005-11-21 | 2009-09-17 | Konica Monolta Opto, Inc. | Optical Film Treating Method, Optical Film Treating Apparatus, and Optical Film Producing Method |
DE102008046153A1 (de) * | 2008-09-06 | 2010-03-11 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Automatische Schmierung |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD259963A3 (de) * | 1986-07-04 | 1988-09-14 | Robur Werke Zittau Veb | Walzenkompensator in maschinen zum behandeln von laufenden stoffbahnen |
DE3835060A1 (de) * | 1987-10-16 | 1989-04-27 | Rengo Co Ltd | Verfahren und vorrichtung zur erzeugung einer beidseitig beschichteten wellpappenbahn |
US5511712A (en) * | 1993-11-23 | 1996-04-30 | Koenig & Bauer Aktiengesellschaft | Web guide roller with directionally switched drive coupling |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE4037096C2 (de) * | 1990-11-22 | 1994-12-08 | Pactec Dresden Gmbh | Vorrichtung zur Zuführung von Packmittelbahnen mit Innenstreifen |
US5344058A (en) * | 1991-03-05 | 1994-09-06 | Ecrm Trust | Method and apparatus for precisely driving film material |
DE9320690U1 (de) * | 1993-11-23 | 1994-11-24 | Koenig & Bauer AG, 97080 Würzburg | Vorrichtung zum Verhindern von Schäden bei Rissen von Warenbahnen |
US5727724A (en) * | 1996-09-17 | 1998-03-17 | Heidelberg Harris Inc. | Method and apparatus for transporting a web material |
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 |
FR2783199B1 (fr) * | 1998-09-10 | 2000-12-01 | Heidelberger Druckmasch Ag | Dispositif automatique de capture d'une bande de matiere dans une machine d'impression rotative |
-
2002
- 2002-01-08 DE DE10200356A patent/DE10200356A1/de not_active Withdrawn
- 2002-12-03 EP EP02027009A patent/EP1325808B1/de not_active Expired - Lifetime
- 2002-12-03 AT AT02027009T patent/ATE369975T1/de not_active IP Right Cessation
- 2002-12-03 DE DE50210694T patent/DE50210694D1/de not_active Expired - Lifetime
-
2003
- 2003-01-08 US US10/337,876 patent/US6869003B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD259963A3 (de) * | 1986-07-04 | 1988-09-14 | Robur Werke Zittau Veb | Walzenkompensator in maschinen zum behandeln von laufenden stoffbahnen |
DE3835060A1 (de) * | 1987-10-16 | 1989-04-27 | Rengo Co Ltd | Verfahren und vorrichtung zur erzeugung einer beidseitig beschichteten wellpappenbahn |
US5511712A (en) * | 1993-11-23 | 1996-04-30 | Koenig & Bauer Aktiengesellschaft | Web guide roller with directionally switched drive coupling |
Also Published As
Publication number | Publication date |
---|---|
ATE369975T1 (de) | 2007-09-15 |
DE50210694D1 (de) | 2007-09-27 |
EP1325808B1 (de) | 2007-08-15 |
DE10200356A1 (de) | 2003-07-17 |
US20030127486A1 (en) | 2003-07-10 |
US6869003B2 (en) | 2005-03-22 |
EP1325808A3 (de) | 2005-03-09 |
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