EP2028002A2 - Introduction d'une bande de tissu à imprimer dans une imprimante rotative à bandes - Google Patents

Introduction d'une bande de tissu à imprimer dans une imprimante rotative à bandes Download PDF

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Publication number
EP2028002A2
EP2028002A2 EP08014741A EP08014741A EP2028002A2 EP 2028002 A2 EP2028002 A2 EP 2028002A2 EP 08014741 A EP08014741 A EP 08014741A EP 08014741 A EP08014741 A EP 08014741A EP 2028002 A2 EP2028002 A2 EP 2028002A2
Authority
EP
European Patent Office
Prior art keywords
web
pull
tip
fed rotary
partial
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Withdrawn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
EP08014741A
Other languages
German (de)
English (en)
Other versions
EP2028002A3 (fr
Inventor
Josef Hammer
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.)
Manroland AG
Original Assignee
Manroland 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 Manroland AG filed Critical Manroland AG
Publication of EP2028002A2 publication Critical patent/EP2028002A2/fr
Publication of EP2028002A3 publication Critical patent/EP2028002A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/03—Threading webs into printing machines

Definitions

  • the invention relates to the drawing of a printing material web in a web-fed rotary printing press, and more particularly to a draw-in tip for drawing a printing material web into a web-fed rotary printing press, a web-fed rotary printing press equipped with such a drawing-in web and a method for drawing a web of printing material into a web-fed rotary printing press using such a drawing-in tip.
  • One in one (in Fig.1 not shown) printing unit printed or to be printed substrate web 1 is pulled over the cutting roller 2 in a turning bar construction and cut simultaneously, as long as the engageable on the cutting roller 2 cutting ring 3, the substrate web 1 severed in the longitudinal direction. This results in the printing substrate 1, two partial printing material webs 1 a and 1 b.
  • the partial substrate web 1 a sets as the printing substrate 1 a straight path back.
  • the pull-in tip 4 which is pulled by the roller chain running in the guide 5, pulls the partial printing material web 1 as well as before the printing material web 1.
  • the draw-in tip 4 at its widest point is not wider than the part -Bruckstoffbahn 1 a, so that it is not cut by the cutting ring 3.
  • the printing material web 1 is bevelled at its front end so that overlapping cover pieces 6 at the rear end of the draw-in tip 4 grasp the front end of the printing material web 1 over a width of less than half thereof and clamp it by magnetic attraction between the two cover pieces 6.
  • the Einziehspitze 7 b provided for the partial printing material web 1 has cover pieces 8, which, like the cover pieces 6, contain a permanent magnetic material and can clamp the front end of the partial printing material web 1 b by magnetic attraction.
  • the upper of the two cover pieces 8 "sticks" before the beginning of the collection of the partial printing substrate 1 b under a magnetic plate 9, while the lower cover piece 8 on a below the Einziehweges the partial printing material 1 b arranged holder 10 rests such that the cover pieces 8 do not attract so much before entering the front end of the partial printing substrate 1 b that they would collapse.
  • the upper cover piece 8 adheres only with such a small magnetic force on the sheet 9 that it is deducted at the onset of the pulling movement of Einziehspitze 7 of him, so that the two cover pieces 8 collapse.
  • the cutting ring 3 is simultaneously made to the cutting roller 2 and the Pulling tip 7 set in motion. Due to the fact that the partial printing material web 1 a is not separated from the partial printing material web 1 b over a length L from the clamping region of the cover pieces 8 of the draw-in tip 7 to the cutting ring 3, as long as the sensor 11 does not provide a corresponding signal for adjusting the cutting ring 3 Given to the cutting roller 2 and at the same time set the Einziehspitze 7 in motion, it is achieved that the front end of the partial printing substrate 1 b is fed between the cover pieces 8 of Einziehspitze 7. Only when the paths of the sub-substrate webs 1 a and 1 b separate, tears the two sub-printing material 1 a and 1 b still connecting intermediate piece between them.
  • the device shown has some disadvantages that can adversely affect the reliability of the device.
  • the "automatic" folding of the two cover pieces 8 of the Einziehspitze 7 brings uncertainty in the Einziehvorgang because it can not be ruled out that the two cover pieces 8 does not "automatically” fold with a pulling movement of the Einziehspitze 7 and the partial printing substrate 1 b not is clamped.
  • the force necessary to separate the two partial printing substrate webs 1 a, 1 b depends on the length L on the one hand and on the quality of the printing substrate on the other hand, as a result of which this force can vary.
  • too great a separation force can adversely affect the retraction process and even lead to the release of one of the pull-in tips 4, 7 from its partial printing material web 1a or 1b.
  • the invention has for its object to provide a Einziehspitze for drawing a printing material web in a web-fed rotary printing press, which is easy to handle and which ensures greater operational safety during Einziehvorgang.
  • a further object of the invention is to provide a web-fed rotary printing press equipped with such a draw-in tip and a method for drawing a printing material web into a web-fed rotary printing press using the draw-in tip according to the invention.
  • a draw-in tip for drawing in a printing material web into a web-fed rotary printing press, wherein the printing web in a longitudinal cutting device of the web-fed rotary printing press is to be separated into at least two partial printing webs, and wherein the draw-in tip is a first connecting section, which is connectable to a longitudinal end of the printing web, and a second connecting portion, which is connectable to a printing material web-Einziehan ever the web-fed rotary printing press.
  • the pull-in toe according to the invention is characterized in that the pull-in toe comprises at least two pull-in toe elements which are each assigned to one of the at least two partial printed-material webs for drawing them in, and a connecting device which connects the pull-in toe elements in such a way that the pull-in toe elements by a force acting on the connecting device, predetermined tensile force, which results from a relative movement of the partial printing substrate webs against each other, are separable from each other.
  • connection device is set up in such a way that when the web guide paths of the two partial printing material webs separate in the web-fed rotary printing press, the pull-in tip elements can be separated from one another by the tensile force acting on the connecting device.
  • the pull-in tip elements may each have a first end and a second end, the first ends of the pull-in tip elements form the first connecting portion and the second ends of the Einziehspitzen elements form the second connecting portion.
  • the pull-in point can be connected to the longitudinal end of the printing material web with its first connecting section and to be connected to the printing material web pull-in arrangement with its second connecting section, wherein the two pull-in tip elements are connected to one another by means of the connecting device, the printing material web or Printing material webs are always fed safely into the web-fed rotary printing press.
  • the printing material web can be separated at its longitudinal end beginning in the partial printing material webs, so that the force required to separate the partial printing substrate webs is determined only by the configuration of the connecting device.
  • the first ends of the Einziehspitzen elements are arranged so that they are each connected to a longitudinal end portion of a respectively associated one of the partial printing material webs.
  • the second ends of the Einziehspitzen elements are arranged so that they are each connected to an associated one of a plurality of Einziehvorlegien the printing material web-Einziehan ever, and wherein the respective Einziehvorraumen are provided for retracting the respective partial printing material webs.
  • each Einziehspitzen element or each sub-printing material in a simple and reliable manner a retraction device can be assigned, which implements the retraction of the partial printing material along their desired Bru outsweg.
  • the retraction device can, as in DE 44 09 693 C1 have a pull chain for coupling and pulling the respective pull-in tip element and a guide for guiding the pull chain along the respective Bru outsweges.
  • the first ends of the pull-in tip elements each have a magnetic closure for connecting the respective pull-in tip elements to the longitudinal end section of a respectively assigned one of the partial printed material webs.
  • the connecting device is formed by a hook-and-loop fastener or by a magnetic closure.
  • a web-fed rotary printing machine has a printing material web feed-in arrangement for drawing a printing material web into the web-fed rotary printing press, a longitudinal cutting device for separating the printing material web into at least two partial printing webs, and a drawing tip having a first connecting section connectable to a longitudinal end of the printing web, and a second connecting portion, which is connectable to the printing material web Einziehan ever.
  • the printing material web feed-in arrangement has a first drawing-in device for drawing in one of the at least two partial printing substrate webs and a second drawing device for drawing in the other of the at least two partial printing substrate webs.
  • the web-fed rotary printing press is characterized in that the pull-in tip has at least two pull-in tip elements each associated with one of the at least two partial webs for drawing them in, and a connecting device which interconnects the pull-in tip elements such that the pull-in tip elements pass through a force acting on the connecting device, predetermined tensile force resulting from a relative movement of the partial printing material against each other, are separable from each other.
  • connection device is set up in such a way that when the web guide paths of the two partial printing material webs separate in the web-fed rotary printing press, the pull-in tip elements can be separated from one another by the tensile force acting on the connecting device.
  • the first retraction device is arranged on an operating side of the web-fed rotary printing press
  • the second retracting device is arranged on a drive side of the web-fed rotary printing press
  • the pull-in tip elements each have a first end and a second end, the first ends of the pull-in tip elements forming the first connection section and the second ends of the pull-in tip elements forming the second connection section.
  • the Einziehspitzen elements are connectable at its first end to the longitudinal end of the printing material and at its second end in each case with one of the Einziehvorraumen are connected, wherein the two Einziehspitzen elements are interconnected by means of the connecting device, the printing substrate or can the partial printing material webs are always fed safely into the web-fed rotary printing press.
  • the printing material web can be separated at its longitudinal end beginning in the partial printing material webs, so that the force required to separate the partial printing substrate webs is determined only by the configuration of the connecting device.
  • the first ends of the Einziehspitzen elements are arranged so that they are each connected to a longitudinal end portion of a respectively associated one of the partial printing material webs.
  • the second ends of the Einziehspitzen elements are arranged so that they can be connected to the retraction device for the respectively associated partial printing material web.
  • each Einziehspitzen element or each sub-printing material in a simple and reliable manner a retraction device can be assigned, which implements the retraction of the partial printing material along their desired Bru outsweg.
  • the retraction device can, as in DE 44 09 693 C1 have a pull chain for coupling and pulling the respective pull-in tip element and a guide for guiding the pull chain along the respective Bru outsweges.
  • the first ends of the pull-in tip elements each have a magnetic closure for connecting the respective pull-in tip elements to the longitudinal end section of a respectively assigned one of the partial printed material webs.
  • the connecting device is formed by a hook-and-loop fastener or by a magnetic closure.
  • a method for drawing a printing material web into a web-fed rotary printing press using a draw-in tip comprises the following steps: providing a printing material web which has a longitudinal end and which is to be separated in at least two partial printing material webs in the web-fed rotary printing press connecting the pull-in toe elements together by means of the pull-in tip connection device, connecting the first connection section of the pull-in tip to the longitudinal end of the printing material web so that the at least two pull-in tip elements are each assigned to one of the at least two partial printing material webs for binding in, joining the second Connecting portion of Einziehspitze with a first Einziehvorides on a first side of the web-fed rotary printing press for drawing in one of the at least two partial printing substrate webs and with a two Thinning device on a second side of the web-fed rotary printing press for drawing the other of the at least two partial printing material webs, pulling the printing material web into the web-fed rotary printing press to a
  • the printing material or can the partial printing material webs are always fed safely into the web-fed rotary printing press.
  • the printing material web can be separated at its longitudinal end beginning in the partial printing material webs, so that the force required to separate the partial printing substrate webs is determined only by the configuration of the connecting device.
  • the web-fed rotary printing press (at least from the drawing roller in front of the turning unit) has a retracting device on the operating side and a retracting device on the driving side of the web-fed rotary printing machine.
  • the pull-in tip is in two parts and is held together in the middle by a tear-open, resealable closure (advantageously Velcro or magnetic closure).
  • the cutting knife sets after passing the Einziehspitze on the substrate web.
  • the fastener is torn open and the two halves of the printing substrate web are pulled in. After completion of the retraction process, the two halves of the pull-in tip are reassembled.
  • the reversing strand can also be drawn in automatically in a reliable manner, without that the retraction process must be interrupted and the turning strand must be threaded by hand if necessary. This is particularly advantageous in rotary printing presses with vertical use and significantly reduces the time to prepare for production.
  • a printing material web-Einziehan Aunt 100 for drawing a printing substrate 2 in the printing machine 1
  • a slitting device 200 for separating the printing material web 2 into two partial printing substrate webs 2 a, 2 b, and a draw-in tip 300 having a first connecting portion 310, which is connected to a longitudinal end 21 of the printing material web 2, and a second connecting portion 320, which is connected to the printing material web-Einziehan ever 100th connected is.
  • the printing material web feed-in arrangement 100 has a first drawing-in device 110 for drawing in one partial printing material web 2a and a second drawing device 120 for drawing in the other partial printing web web 2b.
  • pull-in toe 300 has two pull-in lace members 330 and 340, with pull-in lace member 330 associated with partial fabric panel 2a for necking, and pull-in lace member 340 associated with partial fabric panel 2b for necking and a bonding device 350, which interconnects the pull-in tip elements 330, 340 such that the pull-in tip elements 330, 340 can be separated from one another by a predetermined tensile force acting on the connection device 350, which results from a relative movement of the partial pressure material webs 2a, 2b are.
  • the Einziehspitzen elements 330, 340 are each formed as a flat and flexible plastic strip.
  • connection device 350 is arranged such that the pull-in tip elements 330, 340, when the web guide paths of the two partial printing substrate webs 2a, 2b (see FIG Figure 5 ) in the printing machine 1, by doing on the Connecting device 350 acting tensile force are separable from each other.
  • the connection device 350 is configured such that when the partial substrate web 2a is turned onto the partial substrate web 2b by means of an arrangement of turning bars 410, 420 provided in the printing press 1, the drawing-in tip elements 330, 340 (see FIG Figure 5 ), thereby separating the tensile force acting on the connecting device 350 from each other.
  • the connecting device 350 is formed by a hook-and-loop fastener.
  • the pull-in tip member 330 has a connection tab 351 provided with hook members on one side
  • the pull-in tip member 340 has a connection tab 352 provided with loop members on one side.
  • the hook members and the loop members are formed on respective nylon strips which are mounted on side surfaces of the connection tabs 351 and 352 so as to face each other.
  • the surface dimension of the nylon strips and the formation of the hook elements and the loop elements are selected so that the nylon strips or the connection tabs 351, 352, if the partial printing material web 2a by means of the arrangement of turning bars 410, 420 provided in the printing machine 1 on the partial Printing substrate 2b is turned, are separated by the force acting on the connecting plates 351, 352 tensile force.
  • the pull-in tip elements 330 and 340 each have a first end 331 and 341 and a second end 332 and 342, respectively, with the first ends 331, 341 of the pull-in tip elements 330, 340 form the first connection portion 310 and the second ends 332, 342 of the pull-in tip elements 330, 340 form the second connection portion 320.
  • the first ends 331, 341 of the pull-in tip elements 330, 340 are arranged such that they can each be connected to a longitudinal end section 21 a or 21 b of a respectively assigned one of the partial printing substrate webs 2 a and 2 b.
  • the first ends 331, 341 of the pull-in tip elements 330 and 340 each have a magnetic closure 360 for connecting the respective pull-in tip elements 330 and 340 to the longitudinal end section 21 a and 21 b of the respective associated partial Substrate web 2a or 2b.
  • the magnetic shutters 360 are formed by the respective first ends 331, 341 of the pull-in tip elements 330, 340 and respective cover plates 361, with both the first ends 331, 341 and the cover plates 361 being permanently magnetic so as to magnetically attract each other.
  • each longitudinal end portion 21 a, 21 b disposed between a first end 331, 341 and a cover plate 361, wherein each first end 331, 341 and cover plate 361 magnetically attract and thereby the respective longitudinal end portion 21 a, 21 b between to get stuck.
  • the first pull-in device 110 is arranged on an operating side B of the printing machine 1 and has a pull chain 111 for coupling and pulling the pull-in tip element 330 and a guide 112 to guide the pull chain 111 along the Bru arrangementsweges the partial printing substrate 2a.
  • the second pull-in device 120 is arranged on a drive side A of the printing machine 1 and has a pull chain 121 for coupling and pulling the pull-in tip element 320 and a guide 122 for guiding the pull chain 121 along the web guide path of the partial printing material web 2b.
  • the Einziehspitzen elements 330, 340 at their second ends 332, 342 each have a coupling device 370 for coupling with the pull chain 111 and 121, respectively.
  • the coupling device 370 is formed by a ball which can be suspended in the pull chains 111, 121.
  • Figure 5 and Figure 6 an inventive embodiment of the method for drawing a substrate web 1 into a printing press using the Einziehspitze 300 according to the invention described.
  • a new printing material web 2 which is to be separated in the printing machine 1 into the two partial printing material webs 2a, 2b, is to be drawn in, a new printing material web 2 is provided in a step S1.
  • a step S2 the pull-in tip elements 330, 340 are connected to one another by means of the connection device 350 of the pull-in tip 300.
  • step S3 the first connecting portion 310 of the Einziehspitze 300 is connected to the longitudinal end 21 of the printing substrate 2, so that the two Einziehspitzen elements 330, 340 each one of the two partial printing material webs 2a, 2b are assigned for feeding them.
  • the first end 331 of the pull-in tip element 330 becomes connected to the longitudinal end portion 21 a of the printing substrate 2 and the first end 341 of the Einziehspitzen element 340 is connected to the longitudinal end portion 21 b of the printing substrate 2.
  • step S4 the second connection portion 320 of the pull-in tip 300 is connected to the first pull-in device 110 on the operating side B of the printing machine 1 for drawing in the partial printing material 2a and to the second drawing device 120 on the driving side of the printing machine 1 for drawing in the partial printing material web 2 B.
  • the coupling device 370 at the second end 332 of the pull-in tip element 330 is coupled to the pull chain 111 of the first pull-in device 110, and the coupling device 370 at the second end 342 of the pull-in tip element 340 with the pull chain 122 of the second Retractor 120 coupled.
  • a step S5 the printing material web 2 is fed into the printing press 1 up to a separating position TP, at which the web guiding paths of the partial printing substrate webs 2a, 2b separate (see FIG Figure 5 ). More specifically, the pull-in tip 300 is drawn into the printing machine 1 sufficiently far that the pull-in tip elements 330, 340 are not yet separated by the tensile force resulting from the different web guide paths of the partial printing material webs 2a, 2b.
  • a step S6 the printing material web 2 is separated into the partial printing substrate webs 2a, 2b by means of the longitudinal cutting device 200 of the printing machine 1 arranged in the web running direction before the separating position TP, as soon as the longitudinal end 21 of the printing material web 2 has reached the longitudinal cutting device 200, so that the Substrate web 2 is separated from its longitudinal end 21 at the beginning.
  • a step S7 the separate partial printing substrate webs 2a, 2b are further fed into the printing machine 1, wherein the partial printing substrate webs 2a, 2b are passed through different web guide paths through the printing machine 1, so that the Einziehspitzen elements 330, 340 through the predetermined pulling force acting on the connecting device 350 resulting from the different trajectory paths of the sub-webs 2a, 2b are separated from each other.
  • step S7 the partial printing material web 2a is turned onto the partial printing material web 2b by means of the turning bars 410, 420, the connecting device 350 of the drawing-in tip 300 being separated at the first turning bar 410 in the web running direction.
  • the pull-in tip elements 330, 340 which are now separate from one another, the two partial printing material webs 2 a, 2 b can be pulled further into the printing machine 1 independently of one another.
  • the necessary for separating the Einziehspitzen elements 330, 340 tensile force is determined only by the configuration of the connecting device 350 and can therefore be adjusted in a defined way.
  • the pulling force necessary for separating the pull-in tip elements 330, 340 is not subject to large fluctuations, whereby the pull-in operation is reliable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Rotary Presses (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Treatment Of Fiber Materials (AREA)
EP08014741A 2007-08-21 2008-08-20 Introduction d'une bande de tissu à imprimer dans une imprimante rotative à bandes Withdrawn EP2028002A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007039486A DE102007039486B4 (de) 2007-08-21 2007-08-21 Einziehen einer Bedruckstoffbahn in eine Rollenrotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP2028002A2 true EP2028002A2 (fr) 2009-02-25
EP2028002A3 EP2028002A3 (fr) 2011-10-05

Family

ID=40239631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08014741A Withdrawn EP2028002A3 (fr) 2007-08-21 2008-08-20 Introduction d'une bande de tissu à imprimer dans une imprimante rotative à bandes

Country Status (7)

Country Link
US (1) US20090050005A1 (fr)
EP (1) EP2028002A3 (fr)
JP (1) JP3148153U (fr)
CN (1) CN201333828Y (fr)
CA (1) CA2638980C (fr)
DE (1) DE102007039486B4 (fr)
RU (1) RU2388610C1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5916539B2 (ja) * 2012-06-28 2016-05-11 三菱重工印刷紙工機械株式会社 ウェブの仕立構造及び仕立方法
DE102014111462A1 (de) * 2014-08-12 2016-02-18 Océ Printing Systems GmbH & Co. KG Einrichtung zum Einlegen von bandförmigen Aufzeichnungsträgern in die Transportbahn von Druckeinrichtungen.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409693C1 (de) 1994-03-22 1995-09-21 Roland Man Druckmasch Vorrichtung zum Einziehen von Bedruckstoffbahnen über Wendestangen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739646Y2 (ja) * 1988-08-15 1995-09-13 ハマダ印刷機械株式会社 ターンバー部の自動紙通し装置
JPH0757658B2 (ja) * 1991-04-11 1995-06-21 株式会社東京機械製作所 紙通しにおける紙通し体とウェブ料紙との貼り合わせ方法及び貼り合わせ装置
DE19754106B4 (de) * 1997-12-05 2004-04-29 Man Roland Druckmaschinen Ag Vorrichtung und Verfahren zum Einziehen einer Bedruckstoffbahn
DE19837361A1 (de) * 1998-08-18 2000-02-24 Koenig & Bauer Ag Vorrichtung zum Einziehen einer Bedruckstoffbahn
US6223962B1 (en) * 1999-06-17 2001-05-01 Heidelberger Druckmaschinen Aktiengesellschaft Method and apparatus for attaching a web of material for translation through a rotary printing press system
JP3075408B1 (ja) * 1999-08-16 2000-08-14 株式会社東京機械製作所 ターンバー部の自動紙通し装置
FR2811609B3 (fr) * 2000-07-13 2002-09-06 Heidelberger Druckmasch Ag Dispositif pour separer et introduire des bandes de matiere sur des trajets de transport de presses rotatives a imprimer
DE202006010955U1 (de) * 2006-07-14 2006-09-07 Man Roland Druckmaschinen Ag Absauganordnung für einen Ausleger einer Bogendruckmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409693C1 (de) 1994-03-22 1995-09-21 Roland Man Druckmasch Vorrichtung zum Einziehen von Bedruckstoffbahnen über Wendestangen

Also Published As

Publication number Publication date
US20090050005A1 (en) 2009-02-26
DE102007039486B4 (de) 2011-08-25
CN201333828Y (zh) 2009-10-28
RU2008134285A (ru) 2010-02-27
CA2638980C (fr) 2011-10-11
RU2388610C1 (ru) 2010-05-10
EP2028002A3 (fr) 2011-10-05
JP3148153U (ja) 2009-02-05
DE102007039486A1 (de) 2009-02-26
CA2638980A1 (fr) 2009-02-21

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