EP1127826A2 - Dispositif pour corriger la position latérale d'une bande de matériau imprimé dans une machine à imprimer rotative - Google Patents

Dispositif pour corriger la position latérale d'une bande de matériau imprimé dans une machine à imprimer rotative Download PDF

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Publication number
EP1127826A2
EP1127826A2 EP00125255A EP00125255A EP1127826A2 EP 1127826 A2 EP1127826 A2 EP 1127826A2 EP 00125255 A EP00125255 A EP 00125255A EP 00125255 A EP00125255 A EP 00125255A EP 1127826 A2 EP1127826 A2 EP 1127826A2
Authority
EP
European Patent Office
Prior art keywords
web
roller
correction roller
guide surfaces
correction
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
EP00125255A
Other languages
German (de)
English (en)
Other versions
EP1127826B1 (fr
EP1127826A3 (fr
Inventor
Clemens Johannes Maria Devroome
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.)
Contiweb BV
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 EP1127826A2 publication Critical patent/EP1127826A2/fr
Publication of EP1127826A3 publication Critical patent/EP1127826A3/fr
Application granted granted Critical
Publication of EP1127826B1 publication Critical patent/EP1127826B1/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
    • 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
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B65H2404/142—Roller pairs arranged on movable frame
    • B65H2404/1421—Roller pairs arranged on movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • B65H2404/14212—Roller pairs arranged on movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis rotating, pivoting or oscillating around an axis perpendicular to the roller axis

Definitions

  • the invention relates to a device for correcting the lateral position of a Printing material web in a web-fed rotary printing press according to the preamble of Claim 1.
  • the printing material web is parallel over two to each other in a common frame rotatably arranged web guide rollers or Guide correction rollers, and the lateral position of the printing material web through Panning the frame to change from the original position.
  • the device still has the disadvantage that the substrate web due to the in the area of the center of Frame arranged pivot point when pivoting the frame to a large extent is stressed, which can easily lead to a web break, which is usually a longer downtime of the printing press and, associated with this, a considerable one Loss of production.
  • DE 39 15 056 A1 describes a generic device for correcting the lateral position of a printing material web, in which the printing material web over one by one Pivot point pivotable and guided in lateral guides over roller elements Correction roller and one of these subordinate web guide roller one with negative pressure loadable web storage is supplied, from which one Pull roller pair is fed, which is mounted in a frame.
  • the frame in which is the pair of tension rollers is mounted on a in the fulcrum of the correction roller arranged pin articulated coupled with the correction roller and itself around one another pivot point located near one of the pull rollers, in such a way that the correction roller when pivoting the pull rollers in the opposite Direction is pivoted with.
  • This device also results in a comparatively small control range ..
  • an object of the present invention to provide an apparatus for Correction of the lateral position of a substrate in one To create web-fed rotary printing press, one compared to the prior art has a large control range.
  • Another object of the invention is a device to correct the lateral position of a printing substrate to create a Reduced space required compared to the prior art.
  • a device for correcting the lateral position comprises a Printing material web in a dryer or a drying section Web-fed rotary printing press has a correction roller that is at an angle to Guide surfaces arranged and interacting with them Roll elements is pivotable.
  • the guide surfaces are related to the Web running direction arranged in such a way that the movement of the correction roller Application of a force acting in the lateral direction on a circular path or in an essentially circular path with a compared to the length of the correction roller large radius, the center of which is viewed upstream of the web running direction Correction roller, preferably arranged in the area of the center of the printing material web, and which also represents the fulcrum or pivot point of the correction roller.
  • the correction roller is also a web guide roller which is preferably arranged in a stationary manner downstream, which the printing material web guided over the correction roller for example in the direction of further web guide rolls, cooling rolls or turning bars redirects.
  • the printing material web is in the drying section or the dryer in known manner performed by the action of blowing air, which from above and nozzle bar arranged below the track emerges and forms an air cushion which the web dries and carries at the same time.
  • This results in the upstream Correction roller is an area in which the web is caused solely by the action of the blowing air is performed without this being in contact with printing unit cylinders or web guide rollers.
  • Correction roller Due to the resulting length of the dry section in which the Floating guidance of the path takes place with a lateral movement of the Correction roller advantageously only very small differences in tension within the web, reducing the risk of web breaks within the dryer or in the area the correction roller is significantly reduced.
  • the device according to the invention also has the advantage that it is compared to known solutions in which two or more rollers are pivotable relative to each other, for. B. are arranged in a frame, requires a significantly smaller space.
  • the construction according to the invention offers the advantage that the swivel radius, for example, with a 70 cm to 1 m long correction roller in the range of z. B. 7.5 m can lie by changing the angle at which the guide surfaces are arranged opposite the web running direction, can be changed very easily. This can e.g. by exchanging or changing the inclination of the guide surfaces respectively.
  • This allows the device according to the invention to be very simple and to different types of printing machines, dryers or Adjust folders.
  • An additional advantage of the invention Correction device can also be seen in that in contrast to this Solutions of the prior art no crossbar is required, which, for. B. the Bearing blocks in which the shaft ends of the correction roller are rotatably received, connects with each other. This results in a result of the mass saved reduced moment of inertia of the correction roller, which further increases the Sensitivity and positioning accuracy of the device according to the invention achieved can be.
  • the correction roller and the web guide roller arranged after it are in the preferred one Embodiment of the invention preferably arranged in such a way that the Pivot plane of the correction roller essentially perpendicular to one between the Correction roller and the web guide roller extending web section runs.
  • the Pivot plane of the correction roller essentially perpendicular to one between the Correction roller and the web guide roller extending web section runs.
  • the good response behavior of the device is continued in the manner according to the invention supported by the fact that the printing material web on the one hand by the lateral movement of the Correction roller as such and, on the other hand, to support this by simultaneously the correction roller is tilted in the "correct direction", so to speak is deflected.
  • the lateral change in position can take place, for example, in the area of ⁇ 25 mm, i.e. a total of 50 mm.
  • the Printing material web in the web section upstream of the correction roller essentially parallel to the plane in which the correction roller is pivotable, whereby the Sensitivity of the device according to the invention is further increased.
  • the guide surfaces can be a have the circular curvature corresponding to the curvature of the circular path, whereby an improved approximation compared to the newly formed guide surfaces circular movement of the correction roller results, although the use of level guide surfaces offers considerable advantages in terms of production technology.
  • the guide surfaces on both sides of the Correction roller in pairs above and below the longitudinal axis of the correction roller are arranged, in particular in connection with substantially vertical running guide surfaces a play-free, smooth and precise guidance of the Correction roller on the path very closely approximated to a circular path or a circular path is ensured.
  • the vertical arrangement of the guide surfaces also has the advantage that the Correction roller in a further preferred embodiment of the invention alone due to the tension in the printing material web against the guide surfaces is pushed and held on this without additional springs, pneumatic cylinders or other pressure elements must be used, which also the Device effort significantly reduced.
  • the correction roller according to the invention with the aid of resilient means against the Guide surfaces, or is pushed away from these to adjust the Get device on different web tensions.
  • the resilient Mitetl can also be pretensionable, and pretensionable using screws, for example Include compression springs.
  • the correction roller over other roller elements in the vertical direction is supported on support surfaces, preferably in a substantially horizontal extending plane are arranged and absorb the weight of the correction roller. This enables precise and smooth lateral movement of the correction roller guaranteed.
  • Support surfaces for receiving the weight of the correction roller preferably in Distance from a through the center of gravity of the correction roller Perpendicular arranged.
  • the tilting moment is determined by the distance from the support surfaces generates weight force acting on the center of gravity of the correction roller and tries the correction roller around one in the area of the support points of the other roller elements to tilt the tilt axis located on the horizontal support surfaces.
  • this is in the previous described described generated tilting moment used in the event of a break Printing material web, for example, the continued printing operation of the printing press interrupt, and / or a web catching device known from the prior art activate.
  • This can be done with a control device of the printing press interacting sensor means can be provided which tilt the correction roller upon release of the web tension, to detect one as described above To cause the press to stop.
  • the sensor means comprise a circuit in which the electrical Current flows over the roller elements and the guide surfaces assigned to them, so that the circuit in the untilted state of the correction roller, d. H. at a proper web tension, closed and in the tilted state of the Correction roller, d. H. at a value below a predetermined threshold Web tension is open.
  • the current flow e.g. about a with control device connected to the circuit e.g. the printing operation accordingly interrupted and / or a web catching device can be activated.
  • Emergency stop device of the printing press is connected in connection with the tiltable, preferably solely by the web tension on the roller elements, or Correction roller held guide surfaces the advantage of a very short response time, in which activates the web catching device.
  • the correction roller preferably rotatably arranged via axle pins in the side of the correction roller Bearing blocks added, on which those with the substantially vertical Guide surfaces interacting roller elements and those with the horizontal extending support surfaces preferably interacting further roller elements are rotatably attached.
  • Guide surfaces and the support surfaces on frame parts fixed to the frame Device according to the invention attached which is preferably on both sides of the Correction roller are arranged.
  • the correction roller and / or the web guide roller according to another Embodiment of the invention as cooling rollers through which coolant flows in one Cooling section of a dryer of a rotary printing press are formed, wherein the cooling section is preferably integrated into the dryer of the web-fed rotary printing press is. Due to the resulting small space requirement can be advantageous Way compared to drying and arranged one behind the other Cooling sections with a device also subordinate to the correction of the lateral position of the substrate a significant reduction in the overall length of a Achieve printing press.
  • correction roller and / or the web guide roller in the previously described Embodiments of the invention are designed as non-driven, freely rotatable rollers can also be driven by a motor.
  • the lateral movement of the Correction roller preferably by an actuator that is rotating on the The axis of rotation of the correction roller acts via a swivel joint.
  • the Actuating device can for example be a pneumatic or hydraulic cylinder or include another motor drive and swivel lever etc.
  • the correction roller by spring-elastic means preferably on the opposite side of the correction roller are arranged, e.g. B. by coil springs or tension springs that act on the bearing blocks in the axial direction against the swivel joint elements etc. is pushed, so that only a pneumatic or Hydraulic cylinder is required, which acts in one direction to the axial or lateral position of the correction roller according to the invention with high accuracy change.
  • the ratio of roller length and radius of the circular path on which the movement the correction roller takes place for example in the range from 1: 2 to 1:15, and hangs e.g. on the length of the web section upstream of the correction roller, the lateral movement path of the correction roller, the printing speed, the type of Substrate, etc.
  • FIG. 1 shows a partial view of a web-fed rotary printing press 1 which has a dryer, or a drying section 2 and a cooling section 4 arranged downstream of this drying section 2 with a device 6 according to the invention arranged therein for correcting the lateral Position of a printing material web 8 guided by the web-fed rotary printing press 1 contains.
  • the printing material web 8 is removed from the dryer 2 coming, in which it is dried by means of blowing air flowing out of nozzle bars 13 along an upstream path section 12 is substantially horizontal in Direction of a correction device 6 contained in the inventive device Correction roller 10 performed.
  • the correction roller 10 deflects the printing material web 8, and then directs it along one of the correction rollers 10 downstream, in substantially vertical path section 14 of a preferably stationary arranged web guide roller 16, which redirects the printing material web 8 again to feed these further web guide rollers 18.
  • Correction roller 10 is rotatably supported by its journal in bearing blocks 20.
  • the Bearing blocks 20 are supported by lower ones rotatably arranged on each of the bearing blocks 20 Roller elements 22 and preferably also upper roller elements 24 Guide surfaces 26 and 28, which are assigned to the roller elements 22, 24.
  • the Guide surfaces 26, 28 are in the frame parts 30 fixed to the side of the frame Device 6 according to the invention formed and run at an angle to Running direction of the substrate 8 arranged, substantially vertical plane, such as this is shown in Figs. 2 and 3.
  • Correction roller 10 in Fig. 3 in the one pivot position in dashed lines and in the other pivot position shown in solid lines, the shown swivel positions each the maximum lateral or lateral Show deflection position.
  • the resulting total path D of the deflection lies e.g. overall in the range of 50 mm.
  • the sides are fixed in the frame Frame parts 30 below the correction roller 10 are essentially horizontal Support surfaces 36 are formed, on which the roller 10 extends over further roller elements 38 supports.
  • the support surfaces 36 - or more precisely the point of contact of the others Roller elements 38 on the support surfaces 36 - is at a distance B from one through the Center of gravity of the roller 10 extending perpendicular 40 arranged so that a through the gravitational tilting moment acts on the roller 10, which during the Continuous printing operation with tensioned printing material web 8 from the printing material web is compensated and which in the event of a web break causes the roller 10 um the support points of the further roller elements 38 on the support surfaces 36 are tilted.
  • the distance B can be, for example, 5 mm and is dependent on the Dimensions and the weight of the correction roller 10 and the web tension etc. chosen.
  • sensor means 42 which contain a circuit in which the upper roller elements 24 and the associated guide surfaces 28 as a switching contact are involved, in such a way that the switching contact is opened when the roller 10 is tilted and when the roller 10 is properly seated, d. H. with a proper Web tension, is closed.
  • the sensor means 42 are e.g. with a Control device 44 of the printing press 1, which e.g. in case of a Web break, d. H. an interruption of the current flow in the circuit, an emergency stop Printing machine 1 causes, and / or a known web catching device activated.
  • the lateral movement of the correction roller 10 is over an actuating device 46 is achieved which contains a pneumatic cylinder 47 which via a lever 45 and a swivel connection 48 to the axis of rotation of the Correction roller 10 acts and shifts it in the lateral direction.
  • the roller 10 can optionally be provided with a Motor 50 are driven and / or also be designed as a cooling roller, what schematically by arrows 52 and 54 on the actuating device 46 opposite side of the correction roller 10 is indicated.

Landscapes

  • Rotary Presses (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP00125255A 1999-12-16 2000-11-24 Dispositif pour corriger la position latérale d'une bande de matériau imprimé dans une machine à imprimer rotative Expired - Lifetime EP1127826B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19960649 1999-12-16
DE19960649A DE19960649B4 (de) 1999-12-16 1999-12-16 Vorrichtung zur Korrektur der lateralen Position einer Bedruckstoffbahn in einer Rollenrotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP1127826A2 true EP1127826A2 (fr) 2001-08-29
EP1127826A3 EP1127826A3 (fr) 2002-09-25
EP1127826B1 EP1127826B1 (fr) 2004-07-07

Family

ID=7932851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00125255A Expired - Lifetime EP1127826B1 (fr) 1999-12-16 2000-11-24 Dispositif pour corriger la position latérale d'une bande de matériau imprimé dans une machine à imprimer rotative

Country Status (5)

Country Link
US (1) US6584900B2 (fr)
EP (1) EP1127826B1 (fr)
JP (1) JP2001205779A (fr)
AT (1) ATE270648T1 (fr)
DE (2) DE19960649B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003727A1 (de) 2007-01-25 2008-08-07 Koenig & Bauer Aktiengesellschaft Vorrichtung zur Bahnlaufregelung
CN112897164A (zh) * 2021-01-20 2021-06-04 浙江自贸区敏瑞企业管理有限公司 一种毛绒的对中装置

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DE10247456A1 (de) 2002-10-11 2004-04-22 OCé PRINTING SYSTEMS GMBH Vorrichtung und Verfahren zur Führung einer endlosen Bahn mithilfe einer schwenkbaren Vorrichtung
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DE10340569A1 (de) 2003-09-01 2005-04-07 Koenig & Bauer Ag Verfahren zur Reduktion von Passerfehlern auf einer in einer bahnverarbeitenden Vorrichtung und ein Druckwerk
EP1727676B1 (fr) * 2004-03-23 2014-01-22 Koenig & Bauer Aktiengesellschaft Machines a imprimer comportant au moins un element ajustable a l'aide d'un element de reglage
US7128318B2 (en) * 2004-04-20 2006-10-31 Xerox Corporation Sheet registration deskew improvement system with a centrally pivotal baffle
US20070017952A1 (en) * 2005-07-22 2007-01-25 Frank Carnevale Process line cascade steering control
ATE465112T1 (de) * 2007-02-28 2010-05-15 Applied Materials Inc Netzführungssteuerung, netzverarbeitungsvorrichtung und betriebsverfahren dafür
DE102007063277A1 (de) * 2007-12-27 2009-07-02 Giesecke & Devrient Gmbh Übertragen von Druck- und/oder Prägestrukturen auf eine Endlosfolie
IT1399922B1 (it) * 2010-05-06 2013-05-09 Tenova Spa Procedimento integrato di controllo, centraggio e regolazione della sciabolatura (camber) del nastro metallico in linee di processo
JP5937600B2 (ja) * 2010-10-07 2016-06-22 オセ−テクノロジーズ ビーブイ ベルト調節方法及びベルト搬送システム
SG11201402875TA (en) 2011-12-15 2014-07-30 3M Innovative Properties Co Apparatus for guiding a moving web
EP3474130B1 (fr) 2013-07-31 2022-02-09 Hewlett-Packard Development Company, L.P. Modification d'une impression sur la base de distorsions transversales
JP2016137989A (ja) * 2015-01-29 2016-08-04 株式会社沖データ 蛇行修正装置、ロール媒体搬送装置、及び画像処理装置
DK3643645T3 (da) * 2018-10-25 2023-05-22 Ipco Sweden Ab En fremgangsmåde til justering og sporing af et transportbånd og et arrangement hertil
CN112373182B (zh) * 2020-11-14 2022-07-19 绍兴柯桥兰嵋数码纺织科技有限公司 转移印花机

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DE1039468B (de) * 1955-01-11 1958-09-25 John Douglas Robertson Vorrichtung zum Geradefuehren von fortlaufenden Bahnen
DE3915056A1 (de) * 1989-05-09 1990-11-15 Koenig & Bauer Ag Einrichtung zum ausrichten einer intermittierend transportierten warenbahn
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003727A1 (de) 2007-01-25 2008-08-07 Koenig & Bauer Aktiengesellschaft Vorrichtung zur Bahnlaufregelung
DE102007003727B4 (de) * 2007-01-25 2009-06-18 Koenig & Bauer Aktiengesellschaft Vorrichtung zur Bahnlaufregelung
CN112897164A (zh) * 2021-01-20 2021-06-04 浙江自贸区敏瑞企业管理有限公司 一种毛绒的对中装置

Also Published As

Publication number Publication date
ATE270648T1 (de) 2004-07-15
JP2001205779A (ja) 2001-07-31
US6584900B2 (en) 2003-07-01
DE19960649B4 (de) 2011-06-22
EP1127826B1 (fr) 2004-07-07
EP1127826A3 (fr) 2002-09-25
DE19960649A1 (de) 2001-06-28
DE50007015D1 (de) 2004-08-12
US20030010236A1 (en) 2003-01-16

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