EP0450338B1 - Procédé pour découper latéralement des produits d'impression consistant en papier à plat - Google Patents

Procédé pour découper latéralement des produits d'impression consistant en papier à plat Download PDF

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Publication number
EP0450338B1
EP0450338B1 EP91103546A EP91103546A EP0450338B1 EP 0450338 B1 EP0450338 B1 EP 0450338B1 EP 91103546 A EP91103546 A EP 91103546A EP 91103546 A EP91103546 A EP 91103546A EP 0450338 B1 EP0450338 B1 EP 0450338B1
Authority
EP
European Patent Office
Prior art keywords
printed products
printed
knife
counter
cutting
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
EP91103546A
Other languages
German (de)
English (en)
Other versions
EP0450338A1 (fr
Inventor
Kurt Heutschi
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.)
Grapha Holding AG
Original Assignee
Grapha Holding 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 Grapha Holding AG filed Critical Grapha Holding AG
Publication of EP0450338A1 publication Critical patent/EP0450338A1/fr
Application granted granted Critical
Publication of EP0450338B1 publication Critical patent/EP0450338B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
    • B26D1/245—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0046—Cutting members therefor rotating continuously about an axis perpendicular to the edge

Definitions

  • the present invention relates to a method for the lateral trimming of printed products consisting of paper sheets according to the preamble of patent claim 1.
  • the knife disc can be arranged above the counter knife. Then, according to the invention, each preceding printed product has to rest on the subsequent printed product.
  • the incoming shingled stream of printed products must be turned by 180 ° in its longitudinal axis before lateral trimming, since the leading edges of the shingled stream arriving from a folder are always on the top, i.e. each subsequent printed product rests on the previous printed product.
  • the cutting device can alternatively be arranged below the counter knife, in which case it is known per se Way each subsequent printed product rests on the previous printed product.
  • a conveying device 1 in accordance with the device known from CH-A-650 967, has three parallel, endless belts 2, which are guided over deflection rollers 3 and 4 seated on shafts 5 and 6 and by means of the shaft 6 are driven.
  • the upper runs of the belts 2 together with a sliding plate 7 form a transport plane 8, on which a scale flow 9 of printed products, that is to say folded paper sheets, is transported in the direction of the arrow shown.
  • three parallel, endless press belts 10 Above the scale stream 9, three parallel, endless press belts 10 are arranged, which are guided around deflection rollers 13 and 13 'seated on shafts 11 and 12, the shaft 12 being driven.
  • the belts 2 and 10 are driven at the same speed, the Press belts 10 press the shingled stream 9 against the transport plane 8, so that the individual printed sheets are immovable relative to one another.
  • a knife disk 17 and 18 is arranged above each of the two counter-measurements 14, 15, which are rotatably mounted on assigned drive shafts 19.
  • Each of the knife disks 17, 18 consists of a carrier plate 20 to which a plurality of knives 21 are attached.
  • the knives 21 are provided with a cutting edge 22 which cooperate with the cutting edges 16 of the counter knives 14, 15.
  • the cutting edges 22 preferably enclose the angles mentioned at the beginning with respect to the scale flow 9 or the transport plane 8.
  • the shingled stream 9 is continuously fed onto the conveyor device 1, pressed against the plane 8 by means of the belts 10 and at the same time transported further in the direction of the arrow.
  • the printed sheets are not stacked in the shingled stream 9 in the usual manner as they come from the printing press, namely not with leading edges of the printed sheets on the upper side of the shingled stream 9, that is to say on the knife side 21.
  • the shingled stream is fed to the conveying device 1 in such a way that the leading edges of the printed sheets lie on the side of the counter knives 14, 15 and therefore each preceding printed sheet in the shingled stream 9 lies on the following one Print sheet rests from above.
  • the knife disks 17 and 18 are also driven, their peripheral speed being substantially greater than that of the belts 2 and 10. Likewise, the parts of the printed sheets projecting beyond the cutting edges 16 of the counter knives 14 and 15 on the head and foot sides are separated from the knives 17 and 18. Lateral tearing and damage to the printed sheets no longer occurs during the cutting process due to the 180 ° orientation of the overlapping printed sheets in the scale stream 9.
  • the shingled stream coming from the printing machine must generally be turned through 180 ° in its longitudinal axis before it is introduced into the conveying device 1.
  • Suitable turning devices are known, for example from DE-A-32 21 153, and can easily be connected upstream of the conveyor device 1.
  • the aforementioned orientation of the scale flow with respect to the counter knife can be achieved without this being used.
  • the exemplary embodiment comprises a conveyor 24 which is essentially of the same design as the conveyor 1 of FIGS. 1 and 2.
  • the conveyor 24 in turn has a pair of three parallel, endless belts 2 and 10, between which a shingled stream of printed products 25 (folded paper sheet) is transported in the direction of the arrow.
  • no sliding plate 7 (FIGS. 1, 2) is arranged here.
  • the lower sections of the three parallel bands 10 are prevented from evading by rollers 26.
  • rollers 27 are arranged on the inside of the upper sections of the belts, which are individually subjected to the force of springs 28.
  • the lower sections of the upper belts 10 accordingly perform the function of a transport surface 29 corresponding to the sliding plate 7 in FIGS. 1 and 2.
  • the two counter-knives 14 and 15 adjoin the transport surface 29, which can be fixed or rotating and which lie with their lower cutting edges 16 in the plane of the transport surface 29.
  • Under each of the two counter knives 14, 15 are the same knife disks 17, 18 as shown in FIGS. 1 and 2, which consist of the carrier plates 20 and the plurality of knives 21 with cutting edges 22.
  • the cutting edges 22 of the knives 21 interact with the cutting edges 16 of the counter knives 14, 15. It can be seen that in the exemplary embodiment of FIGS. 3, 4 the knife disks 17, 18 are arranged on the lower side of the overlapping transported printed products 25 and the counter knives 14, 15 on the upper side thereof.
  • the scale flow of the printed products 25 is designed according to the invention in such a way that the leading edges 30 of the overlapping transported printed products 25 are on the side of the counter knives 14, 15. Each subsequent printed product 25 thus lies on top of the previous printed product 25. Because this design of the imbricated flow of the printed products 25 corresponds to the position of the overlapping printed products when leaving the printing press, there is no need to turn the imbricated flow beforehand.

Claims (4)

  1. Procédé pour le découpage latéral de produits imprimés (9, 25) constitués par des feuilles de papier, au moyen d'un dispositif comprenant un dispositif transporteur (1, 24) qui amène les produits imprimés (9, 25) se recouvrant contre un dispositif de coupe, cependant que le dispositif de coupe comporte un disque de coupe rotatif (17, 18) qui est pourvu de plusieurs lames (21) et qui travaille à l'encontre d'une lame conjuguée (14, 15), et que la lame conjuguée (14, 15) est disposée par une arête tranchante conjuguée (16) dans un plan de transport (8, 29) sur l'un des côtés des produits imprimés (9, 25) qui sont transportés en se recouvrant, caractérisé par le fait que les bords (23, 30) situés à l'avant dans la direction de transport des produits imprimés (9, 25) qui sont transportés en se recouvrant se trouvent du côté de la lame conjuguée (14, 15).
  2. Procédé selon la revendication 1, caractérisé par le fait que chaque produit imprimé (9) qui est en avant dans la direction du transport est posé sur le suivant en le recouvrant d'une manière telle que la face supérieure des produits imprimés (9) soit tournée vers le dispositif de coupe (17, 18, 21) et que leur face inférieure le soit vers la lame conjuguée (14, 15).
  3. Procédé selon la revendication 1, caractérisé par le fait que chaque produit imprimé (9) qui est en avant dans la direction du transport est posé sur le précédent en le recouvrant d'une manière telle que la face supérieure des produits imprimés (9) soit tournée vers la lame conjuguée (14, 15) et que leur face inférieure le soit vers le dispositif de coupe (17, 18, 21).
  4. Procédé selon la revendication 3, caractérisé par le fait que les produits imprimés (25) sont guidés dans la région du dispositif transporteur (24) entre un guidage par bandes supérieur fixe (10) qui porte sur la face supérieure des produits imprimés (25) et un guidage par bandes inférieur (2) qui porte sur la face inférieure des produits imprimés (25), et par le fait que le guidage par bandes inférieur (2) est maintenu en appui sur les produits imprimés (25) avec une force élastique réglable.
EP91103546A 1990-04-02 1991-03-08 Procédé pour découper latéralement des produits d'impression consistant en papier à plat Expired - Lifetime EP0450338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1093/90A CH681363A5 (fr) 1990-04-02 1990-04-02
CH1093/90 1990-04-02

Publications (2)

Publication Number Publication Date
EP0450338A1 EP0450338A1 (fr) 1991-10-09
EP0450338B1 true EP0450338B1 (fr) 1994-09-21

Family

ID=4202314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91103546A Expired - Lifetime EP0450338B1 (fr) 1990-04-02 1991-03-08 Procédé pour découper latéralement des produits d'impression consistant en papier à plat

Country Status (5)

Country Link
EP (1) EP0450338B1 (fr)
JP (1) JPH04223892A (fr)
AT (1) ATE111799T1 (fr)
CH (1) CH681363A5 (fr)
DE (1) DE59102984D1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19620650B4 (de) * 1996-05-22 2006-09-21 Gämmerler AG Verfahren und Vorrichtung zum Schneiden von in einem Schuppenstrom geförderten Papierprodukten
DE19629561C2 (de) * 1996-07-22 2003-07-03 Slobodan Djuranovic Segmentmesser für eine Rotationsschneidemaschine, dessen Umfang sich aus einer Vielzahl von Segmenten zusammengesetzt
DE29712557U1 (de) * 1997-07-16 1997-09-11 Widia Gmbh Fräser, insbesondere Buchrückenfräser
DE10044131B4 (de) * 2000-09-06 2005-12-01 Zanders Feinpapiere Ag Vorrichtung und Verfahren zum Trennen von Schnittkanten flächiger Teile und zum Führen von umlaufenden Transportbändern
EP1273401A1 (fr) * 2001-07-05 2003-01-08 Grapha-Holding AG Appareil pour la coupe de produits en tirant les produits pour effectuer la coupe
DE50306512D1 (de) * 2003-08-28 2007-03-29 Mueller Martini Holding Ag Verfahren zum Schleifen der Messer einer Rotationsschneidemaschine sowie Rotationsschneider zur Durchführung des Verfahrens
DE102004020256A1 (de) * 2004-04-26 2005-11-17 Gramatec Gmbh Schneidmesser für Rotationsschneidanlagen
EP1952956A1 (fr) * 2007-02-02 2008-08-06 Müller Martini Holding AG Dispositif de découpe pour des produits imprimés en formation imbriquée
CN113840736B (zh) * 2019-05-28 2024-03-29 惠普发展公司，有限责任合伙企业 双向切割模块

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915582A1 (de) * 1979-04-18 1980-10-30 Grapha Graphische Maschinen Ha Verfahren zum schneiden von blaettern, blattstapeln, heften o.dgl., und vorrichtung zur durchfuehrung des verfahrens
CH650967A5 (de) * 1981-07-15 1985-08-30 Grapha Holding Ag Einrichtung zum seitlichen beschneiden von papierbogen.
DE3500632A1 (de) * 1985-01-10 1986-07-10 Maschinenbau Oppenweiler Binder GmbH & Co, 7155 Oppenweiler Vorrichtung zum durchschneiden eines oder mehrerer ganz oder teilweise uebereinanderliegender bogen
DE3524512A1 (de) * 1985-07-09 1987-01-22 Adolf Weingartner Vorrichtung zum kontinuierlichen laengsschneiden schuppenfoermiger ausliegender druckprodukte

Also Published As

Publication number Publication date
JPH04223892A (ja) 1992-08-13
EP0450338A1 (fr) 1991-10-09
CH681363A5 (fr) 1993-03-15
ATE111799T1 (de) 1994-10-15
DE59102984D1 (de) 1994-10-27

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