EP1055625B1 - Dispositif et procédé pour dévier des feuilles imprimées - Google Patents

Dispositif et procédé pour dévier des feuilles imprimées Download PDF

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Publication number
EP1055625B1
EP1055625B1 EP00108073A EP00108073A EP1055625B1 EP 1055625 B1 EP1055625 B1 EP 1055625B1 EP 00108073 A EP00108073 A EP 00108073A EP 00108073 A EP00108073 A EP 00108073A EP 1055625 B1 EP1055625 B1 EP 1055625B1
Authority
EP
European Patent Office
Prior art keywords
sheets
printed
section
velocity vector
angle
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
EP00108073A
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German (de)
English (en)
Other versions
EP1055625A3 (fr
EP1055625A2 (fr
Inventor
Kevin Lauren Cote
David Clarke Pollock
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.)
Goss International Americas LLC
Original Assignee
Goss International Americas LLC
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 Goss International Americas LLC filed Critical Goss International Americas LLC
Publication of EP1055625A2 publication Critical patent/EP1055625A2/fr
Publication of EP1055625A3 publication Critical patent/EP1055625A3/fr
Application granted granted Critical
Publication of EP1055625B1 publication Critical patent/EP1055625B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66Advancing articles in overlapping streams
    • B65H29/6654Advancing articles in overlapping streams changing the overlapping figure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/30Orientation, displacement, position of the handled material
    • B65H2301/34Modifying, selecting, changing direction of displacement
    • B65H2301/341Modifying, selecting, changing direction of displacement without change of plane of displacement
    • B65H2301/3411Right angle arrangement, i.e. 90 degrees
    • B65H2301/34112Right angle arrangement, i.e. 90 degrees changing leading edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/44Moving, forwarding, guiding material
    • B65H2301/443Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • B65H2301/44316Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20Location in space
    • B65H2511/22Distance

Definitions

  • the present invention relates to an apparatus and a method for deflecting sheets of printing material, in particular of printed and folded signatures in a rotary printing machine, according to the preambles of claims 1 and 9.
  • Rotary offset printing presses often include a device for redirecting a stream of signatures previously cut from a substrate web.
  • a conventional deflection device usually comprises a wall or a plurality of walls, at which a so-called abutment turn occurs.
  • a flat product having a first velocity vector in a first direction is moved toward a wall at which the original velocity vector is ideally decelerated to zero, so that another conveyor immediately retransmits the signature with a new velocity vector (and thus in a new direction) can accelerate again.
  • the deceleration of the original velocity vector to zero and the acceleration with a new velocity vector in the new direction are not simultaneous for a variety of reasons. For example, the friction occurring on the signatures prevents an immediate transition from the original vector to the new vector. Therefore, conventional bumps have significant disadvantages.
  • a disadvantage of conventional pushbacks is the lack of reliability in the generation of a new speed vector.
  • deflecting a product flow transported in a continuous flake arrangement by means of a push-turn it is not ensured that the side edges of the products are exactly aligned and the distance between the products remains exactly the same.
  • the present invention relates to a method and apparatus for redirecting flat products, e.g. Of signatures printed in a web-fed rotary printing press, in which a new speed vector (ie, a vector determined by the speed and direction of the flat product) can be actively transmitted to a flat product immediately.
  • a new speed vector ie, a vector determined by the speed and direction of the flat product
  • certain portions of a drive mechanism are used to assign a new velocity vector to the flat products and thus actively redirect them. Since the new velocity vector is actively transmitted to the flat products, a high degree of reliability in the deflection of the flat products can be achieved by the device according to the invention without damaging the signatures and without causing a paper jam.
  • the present invention not only maintains the quality of the scale flow by providing a means of preserving the lateral flow Alignment and distance of the products in the incoming scale flow is provided, but may even be improved insofar as in exemplary embodiments of the present invention, the distance between the products of an incoming scale flow can be corrected.
  • exemplary embodiments of the present invention relate to an apparatus and method for redirecting flat products, e.g. In a printing press having at least one section in which a flat product is transported with a first velocity vector and at least one further section in which a new velocity vector is actively assigned to the flat product, said further section comprising at least one Drive device comprising at least one predetermined contact area in which the device contacts the product.
  • Fig. 1 shows a device 100 according to the invention for deflecting of printing material, z. B. a product stream in a folder of a web-fed rotary printing press.
  • the flat products 108 preferably incoming as a shingled stream (i.e., a stream of products in which adjacent products overlap) are supported by a lower feed belt 106.
  • the flat products are moved from the feed section 102 into at least one further section shown as a deflection section 112 in FIG. 1, in which the product stream is actively charged with a new velocity vector.
  • At least one drive device is provided in the deflection section 112, which has at least one contact region in which it contacts the flat products.
  • the deflecting section 112 comprises a first section 114 designed as an angled transport section and a second section 116 formed as an outlet section.
  • the first portion 114 preferably includes a lower conveyor belt 118 which supports the flat products entering from the feed section 102. Furthermore, the first portion 114 of the deflection section 112 comprises at least one upper band 120 which has at least one contact area in which it contacts a flat product. In the embodiment shown in Fig. 1, the first portion 114 comprises two upper bands 120, 122, both having at least one contact area in which they contact the flat products.
  • the lower conveyor belt 118 and the upper belts 120, 122 form a predetermined angle with the feed section 102, so that the product flow is deflected.
  • the two upper bands cause increased torque to act on the flat products to transfer the new velocity vector to the flat products without slippage.
  • the first section 114 of the feed section 102 shown here at a 45 ° angle to the feed direction of the feed section 102 (indicated by the arrow 104)
  • Turning portion 112 may be disposed at any angle to the feeding direction, but is preferably 45 ° or less, as a rule.
  • the upper bands 120, 122 shown in FIG. 1 are of different lengths so that they can receive the product stream entering from the delivery section 102.
  • the length of the bands 120, 122 is selected so that the bands 120, 122 simultaneously contact a flat product entering from the feed section 102 at predetermined locations. If only a single band is provided, then its relative length of course does not matter.
  • the upper bands 120, 122 may be driven in any manner.
  • the upper and lower bands can z. Example, be designed as conventional, synchronous drive belts of a printing press, which are driven synchronously with the printing press and have been changed so that they include the predetermined areas described below. It can be z. B. to act on toothed belts, which are driven by a synchronously driven by the printing press gear of the printing press.
  • the invention is not limited to such drive arrangements.
  • a shaftless motor driven in synchronism with the printing press via a feedback circuit can also be used.
  • the belts 120, 122 may also be driven independently, provided that they are synchronized with each other and with the feed section 102.
  • the belts 120, 122 are preferably driven so that a flat product, the leading edge of which is engaged by the lower belt of the second section 116, is simultaneously disposed thereover, on the upper belts 120 and 122 of the angled transport section located contact areas is released.
  • the upper bands may be similar to the bands described in US 5,855,153.
  • the predetermined contact areas in which the bands contact the flat products entering from the feed section 102 are configured in FIG. 1 as clamping plates 124 which project out of the belts towards the flat products and the only contact areas between the upper belts and the flat ones Form products.
  • the clamping plates 124 may be an integral part of the upper bands or may be formed as individual components which are subsequently attached (eg glued) to the bands.
  • the coefficient of friction is suitable for deflecting the incoming of the feed section 102 flat products.
  • the material for the straps and the clamping plates should be chosen according to the particular application (eg operating speed, type of substrate, etc.).
  • the number of clamping plates arranged on the bands can preferably be adapted at any time to the specific application, e.g. B. depending on the number of products to be deflected or the spatial conditions.
  • the number of clamping plates provided per flat product to be deflected is preferably also variable.
  • each of the upper bands 120, 122 comprises one clamping plate per flat product.
  • the clamping plates can also be composed of a plurality of smaller clamping plates or be formed as a different type of projections, provided there is a suitable coefficient of friction between them and the flat products.
  • the flat products exiting the first portion 114 of the turnaround portion 112 are fed to a second portion 116 of the turnaround portion, which may include a leading edge 126 as needed.
  • This leading edge 126 acts in a conventional manner by applying a new velocity vector to the signatures. In the exemplary embodiment shown in FIG. 1, this new direction is indicated by arrow 128.
  • the flat products are returned from their original (indicated by arrow 104) Movement direction by a predetermined angle, in Fig. 1, for example, 90 °, deflected.
  • the second portion 116 includes, in addition to the leading edge 126, a drive device 130, such as one or more rollers and / or associated bands.
  • a drive device 130 such as one or more rollers and / or associated bands.
  • the second section 116 of the deflection section 112 serves to ensure exact alignment of the side edges of the flat products in the deflected scale flow.
  • the leading edge 126 may be used as a stationary guide or as a device moving with the flat products, e.g. As a belt on vertical rollers with vertical axes attached belt, be formed.
  • the upper bands 120, 122 are described in more detail below with reference to the embodiment shown in FIG.
  • FIG. 2A shows an embodiment of the drive device for redirecting flat products in the first section 114 of the diverter section 112.
  • each drive device is formed as a belt (ie, one of the upper belts 120, 122 shown in FIG raised contact areas 124 includes.
  • the tape shown in FIG. B. similar to the bands described in US 5,855,153 be formed.
  • FIG. 2B shows a further embodiment of a drive device for acting on the flat products entering from the feed section 102 with a new velocity vector.
  • the device is formed as a roller 202 having at least one contact region 204, with which it contacts the flat products.
  • two of these raised contact areas 204 are shown.
  • the roller 202 may, for. Example, be used instead of the portion of the upper belt 120, which overlaps a feed product 102 leaving the flat product.
  • a similar roller can replace the portion of the top band 122 that overlaps a flat product leaving the feed section 102.
  • the raised portions 204 act similar to the clamping plates 124 shown in FIG. 1, which serve to deflect the flat products leaving the feed section 102 be used.
  • the predetermined portions 204 push the flat products against the lower belt 206, which acts similarly to the lower conveyor belt 118 shown in FIG. After the roller has acted on the incoming from the Zu manufacturedrabrough 102 flat products with the new velocity vector, these can in any way, for. B. by means of conventional drive belts 206, 208 are transported over an arbitrarily long distance on.
  • the drive belts 206, 208 are exemplified for any number of drive belts for transporting the flat products.
  • Fig. 3 shows another embodiment of the present invention. Elements that are already similar in Fig. 1 are designated by like reference numerals.
  • the second section 116 of the deflection section 112 is redesigned in such a way that the guide edge 126 (FIG. 1) is omitted. Instead, additional upper bands 320, 322 are provided.
  • Each of these belts similar to the drive belts 120, 122, includes clamping plates 324 and, in cooperation with a lower conveyor belt 318, transports flat products 308 from the second section 116 to the exit section of the diverter device 300.
  • the deflecting section may comprise any number of further sub-sections, so that the flat products can be deflected at any angle to their original feed direction 104.
  • the orientation and the spacing of the flat products of an incoming scale flow after the deflection are retained, but may additionally be corrected.
  • the clamping plates on the upper belts 120 and 122 only contact the flat products at different relative positions.
  • the lateral displacement x of successive flat products shown in Fig. 3 during the deflection is the same.
  • a lateral displacement of the flat products in the outgoing scale flow occurs.
  • this lateral displacement can be easily corrected by means of a downstream device which shifts the flat products so that they are aligned again.
  • This device may be designed as any known device for correcting the lateral alignment.
  • the present invention offers not only the possibility of reliable and efficient deflection of flat products, but in addition the possibility of correcting the distance between the flat products.
  • a device for deflection and / or distance correction between flat products it can of course be used only to correct the distance between the flat products of a scale flow without associated deflection.
  • a mirror image arrangement of the deflection section 112 shown in Fig. 3 may be provided, which deflects the scale flow back into the original transport direction 104. In this way, the scale flow is maintained in its original transport direction 104, but the distance between the flat products is corrected.
  • the flat products may be, for example, folded or unfolded signatures of any size or any other substrate.
  • the embodiment shown in FIG. 1 comprises a deflecting section having first and second sections, wherein the deflecting angle of the second section is the angular complement of the angle formed between the first section and the feeding section.
  • any deflection angle can be selected in conjunction with the present invention.
  • the diversion is not on a single, flat level but can also be used with flat products moving in different planes.
  • the flat products can be folded or unfolded signatures. If z. B. folded signatures to be deflected or rotated so that the side edge of the incoming signatures after the deflection forms the leading edge, the embodiments of the present invention described above can be used without thereby taking into account the position of the Falzrücken or Falzbruchs the incoming signatures must become.
  • the fold break can z. B. form the leading edge of the incoming signatures before the deflection, so that after the deflection, an open edge forms the front edge, or the fold break can form a side edge of the incoming signatures before the deflection, so that the fold break after deflection forms the leading edge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Laser Beam Printer (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Claims (13)

  1. Dispositif pour renvoyer des feuilles imprimées, en particulier des signatures imprimées et pliées dans une machine rotative d'impression à rouleaux, lequel est muni d'au moins un segment d'alimentation (102), dans lequel les feuilles imprimées (108) sont transportées selon un premier vecteur de vitesse (104), et d'au moins un segment supplémentaire (112), dans lequel les feuilles imprimées (108) sont soumis activement à un nouveau vecteur de vitesse (128), le segment supplémentaire (112) comportant au moins un dispositif d'entraînement (120, 122) muni d'une zone de contact prédéfinie (124), laquelle contacte les feuilles imprimées par l'intermédiaire de la génération d'une force de frottement, et dévie celles-ci selon une direction latérale (x), caractérisé en ce que la zone de contact est formée à l'aide d'une ou de plusieurs parties élevées (124, 204).
  2. Dispositif selon la revendication 1, caractérisé en ce que le segment d'alimentation (102) comporte au moins une bande de transport (106), sur laquelle les feuilles imprimées (108) sont alimentées sous la forme de courant imbriqué de plusieurs feuilles imprimées individuelles.
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'entraînement (120, 122) comporte au moins une bande de transport inférieure (118), laquelle transporte les feuilles imprimées (108) de manière synchrone par rapport au segment d'alimentation (102).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le segment supplémentaire (112) comporte au moins deux bandes supérieures (120, 122), lesquelles sont pourvues de la ou des partie(s) élevée(s) (124), formant la zone de contact.
  5. Dispositif selon la revendication 4, caractérisé en ce que le segment supplémentaire (112) comporte un segment de transport (114) coudé, comportant le dispositif d'entraînement (120, 122) et transportant les feuilles imprimées selon un angle relatif au premier vecteur de vitesse (104), tout comme un segment de sortie (116) agencé en aval du segment de transport coudé, lequel transporte les feuilles imprimées selon un second angle relatif à la direction de transport du segment de transport coudé (114).
  6. Dispositif selon la revendication 5, caractérisé en ce que le second angle est le complément d'angle du premier angle.
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'entraînement (120, 122) peut être entraîné de manière synchrone avec le segment d'alimentation (102), de telle sorte qu'une distance irrégulière entre deux feuilles imprimées successives entrant dans le segment d'alimentation (102) puisse être corrigée.
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'entraînement (120, 122) comporte un rouleau (202) comportant les parties élevées (204), lequel contacte les feuilles imprimées dans la zone de contact prédéfinie (124).
  9. Procédé destiné au renvoi de feuilles imprimées dans une presse rotative, comportant les étapes suivantes :
    - alimentation de feuilles imprimées (108) avec un premier vecteur de vitesse (104),
    - soumission active des feuilles imprimées (108) avec un nouveau vecteur de vitesse, en contactant les feuilles imprimées par des zones de contact prédéfinies (124) d'un dispositif d'entraînement (120, 122) par l'intermédiaire de la génération d'une force de frottement déviant les feuilles imprimées (108) dans la direction latérale selon une distance prédéfinie (x), caractérisé en ce que les zones de contact sont formées par l'intermédiaire d'une ou de plusieurs parties élevées (124, 204).
  10. Procédé selon la revendication 9, caractérisé en ce que l'alimentation et la soumission active des feuilles imprimées (108) sont réalisées à l'aide d'un nouveau vecteur de vitesse synchrone avec le fonctionnement de la presse.
  11. Procédé selon la revendication 10, caractérisé en ce que la soumission active des feuilles imprimées (108) est réalisée à l'aide d'une correction de la distance entre deux feuilles imprimées successives (108).
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que l'étape de la soumission active comporte les étapes suivantes :
    - le transport des feuilles imprimées (108) selon un angle relatif au premier vecteur d'alimentation (104) ; et
    - le déplacement des feuilles imprimées (108) dans la direction du nouveau vecteur de vitesse, dévié selon l'angle relatif à la direction de transport d'origine (104).
  13. Procédé selon la revendication 12, caractérisé en ce que la direction du nouveau vecteur de vitesse forme un angle, lequel est le complément d'angle de l'angle entre la première direction de transport et le premier vecteur de vitesse (104).
EP00108073A 1999-05-25 2000-04-25 Dispositif et procédé pour dévier des feuilles imprimées Expired - Lifetime EP1055625B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US317634 1981-11-02
US09/317,634 US6155560A (en) 1999-05-25 1999-05-25 Method and apparatus for reorienting a printable medium

Publications (3)

Publication Number Publication Date
EP1055625A2 EP1055625A2 (fr) 2000-11-29
EP1055625A3 EP1055625A3 (fr) 2004-03-03
EP1055625B1 true EP1055625B1 (fr) 2006-04-12

Family

ID=23234569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108073A Expired - Lifetime EP1055625B1 (fr) 1999-05-25 2000-04-25 Dispositif et procédé pour dévier des feuilles imprimées

Country Status (5)

Country Link
US (1) US6155560A (fr)
EP (1) EP1055625B1 (fr)
JP (1) JP2001002299A (fr)
AT (1) ATE323055T1 (fr)
DE (2) DE10020153A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6958123B2 (en) * 2001-06-15 2005-10-25 Reflectivity, Inc Method for removing a sacrificial material with a compressed fluid
US20040237739A1 (en) * 2003-05-27 2004-12-02 Pitney Bowes Incorporated System and method for providing sheets to an inserter system using a high speed cutter and right angle turn
US7021184B2 (en) * 2003-05-27 2006-04-04 Pitney Bowes Inc. System and method for providing sheets to an inserter system using a rotary cutter
ITBO20060025A1 (it) * 2006-01-17 2007-07-18 Cmc Spa Apparato convogliatore per il cambio della direzione di avanzamneto di articoli in foglio
US9275388B2 (en) * 2006-01-31 2016-03-01 Hand Held Products, Inc. Transaction terminal with signature capture offset correction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58903403D1 (de) * 1988-11-23 1993-03-11 Ferag Ag Einrichtung zum stapeln von kontinuierlich anfallenden, im wesentlichen viereckigen druckereiprodukten.
US5188355A (en) * 1991-12-30 1993-02-23 Pitney Bowes Inc. Apparatus for conveying sheets from landscape to portrait arrangement
US5318285A (en) * 1992-11-23 1994-06-07 Pitney Bowes Inc. Roller/guide plate assembly for ninety degree document transfer unit
US5282528A (en) * 1992-11-25 1994-02-01 Riverwood International Corporation Belt transfer section and method of use for right angle blank feeder
CH687245A5 (de) * 1992-12-04 1996-10-31 Grapha Holding Ag Einrichtung zum Foerdern und Trennen von gefalteten Druckprodukten.
US5597156A (en) * 1994-11-03 1997-01-28 Masterflo Technology, Inc. Modular folded sheet conveyor system
US5855153A (en) * 1996-09-04 1999-01-05 Heidelberg Harris Inc. Method and apparatus for conveying flat printed products

Also Published As

Publication number Publication date
ATE323055T1 (de) 2006-04-15
JP2001002299A (ja) 2001-01-09
DE10020153A1 (de) 2000-11-30
EP1055625A3 (fr) 2004-03-03
US6155560A (en) 2000-12-05
DE50012550D1 (de) 2006-05-24
EP1055625A2 (fr) 2000-11-29

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