EP0587531B1 - Procédé et dispositif pour alimentes des feuilles à une machine à plier avec une orientation correcte - Google Patents

Procédé et dispositif pour alimentes des feuilles à une machine à plier avec une orientation correcte Download PDF

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Publication number
EP0587531B1
EP0587531B1 EP93810601A EP93810601A EP0587531B1 EP 0587531 B1 EP0587531 B1 EP 0587531B1 EP 93810601 A EP93810601 A EP 93810601A EP 93810601 A EP93810601 A EP 93810601A EP 0587531 B1 EP0587531 B1 EP 0587531B1
Authority
EP
European Patent Office
Prior art keywords
sheet
feed table
speed
format
folding machine
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
EP93810601A
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German (de)
English (en)
Other versions
EP0587531A2 (fr
EP0587531A3 (en
Inventor
Otto Dipl.-Ing. Bay
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Individual
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Publication date
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Publication of EP0587531A3 publication Critical patent/EP0587531A3/de
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Publication of EP0587531B1 publication Critical patent/EP0587531B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/12—Registering, e.g. orientating, articles; Devices therefor carried by article grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions

Definitions

  • the invention relates to a method for feeding sheet sheets of different rectangular formats, which are output by a printer or copier at a first speed onto a feed table and then fed to a folding machine, sensor means for determining the sheet format being present and selectively at least one predetermined one Sheet format is rotated by 90 ° relative to the table level.
  • the invention relates to a device, in particular for performing the method.
  • Electrostatic printers are known for producing large-format drawings. Printing takes place from paper rolls, whereby two or more paper rolls of different widths can be present. The drawings are printed either lengthways or transversely to the longitudinal direction of the web. Such large-format drawings can be folded immediately after printing by folding machines known per se. The folding process must take place in such a way that after folding the head or the parts list always lies on the top sheet, i.e. the cover sheet. The folding machine can be programmed so that a different number of folds can be carried out depending on the sheet length.
  • the object is to be achieved by a printer or the like. Continuously output large-format sheets, which are incurred indiscriminately in the longitudinal and landscape format, with the avoidance of manual work, depending on the format, to feed a folding machine in the correct position with a small footprint of the feed table between the printer and the folding machine.
  • sheet sheets can be fed continuously to the feed table without the turning process being disrupted in the case of predetermined sheet sheet formats.
  • the different sheet formats fed in random order are recognized on the feed table and only those are selected which require a 90 ° rotation in order to be fed to the folding machine in the correct position. Under fit is understood that after the folding process the head or the parts list always lies on the cover sheet, preferably at the foot, in a readable position.
  • Fig. 1 the output of a drawing in standard format A1 (592 x 841 mm) corresponding to the paper roll width is shown as an example, in which the longitudinally extending parts list 11 is located on the upper left edge.
  • the printer can also output a drawing in standard format A2 (420 x 594 mm), in which the parts list 12 comes to lie transversely to the lower edge of the sheet.
  • the A2 format corresponds to half of the A1 format.
  • the position of the parts list 12 differs from the position of the parts list 11 of the format A1, as is shown in full lines in FIG. 1.
  • the printer or the like can output sheets from a second, narrower supply roll, for example A3 (297 x 420 mm), the A4 format also having to be turned over.
  • a second, narrower supply roll for example A3 (297 x 420 mm)
  • the A4 format also having to be turned over.
  • these sheet standard sizes A3 and A4 were not shown in FIG. 1; however, the turning principle is the same.
  • the sheet sheets 3 output by the printer 1 or the like and reaching the feed table 2 are scanned by sensors 5-8 to determine their format.
  • the scanning is carried out by three sensors 5, 6, 7, which are arranged one behind the other in the sheet feed direction Z in the table center area and to which a fourth sensor 8 is laterally assigned.
  • the selection circuit recognizes this sheet size A2.
  • the sensor 7 covers the sheet sheet A2 and at the same time releases the sensor 5, a rotary movement of this sheet sheet 3 is initiated.
  • the rotary movement is clockwise according to arrow U through an angle of 90 ° around the center of the blade P.
  • the sensors 4-8 are preferably light barriers; however, microswitches or the like could also be used.
  • the sensors are preferably reflection light sensors which are embedded in the feed table flush with the table surface. It is also possible to temporarily stop the transport members 10 during the rotary movement.
  • FIG. 3 shows the design of the feed table 2.
  • the table surface is penetrated from below by a plurality of transport rollers 10, 17, which are driven by two drive motors 13, 19 via toothed belts 14 and are controlled by the electrical control 33.
  • Above these transport rollers 10 there are metal balls 16 in loose support in four holding rails attached to the cross member 24, which by their own weight press an intermediate sheet against the transport rollers 10 and thereby cause the sheet to be fed.
  • the transport rollers 17 located on the right in FIG. 3 are driven at a higher speed than the inlet-side transport rollers 10, so that the sheet sheets 3 are transported towards the folding machine 9 at a higher speed.
  • the folding machine 9 operates at a higher speed than the output speed of the printer 1 corresponds.
  • the transport rollers 10 are each provided with a conventional overrunning freewheel, which has the effect that a sheet caught by the faster-running transport rollers 17 is not inhibited by the slower-driven transport rollers 10.
  • the different speeds of the transport rollers 10 and 17 could also be achieved by a single motor 13 by means of different transmission ratios instead of by two different drive motors 13, 19, this being done by a transmission gear 27 with clutch.
  • the drive movement can be taken directly from drive elements 37 (FIG. 2) of the printer 1.
  • the 4 is designed to carry out a rotary movement of the sheet sheet 3 in the A2 format by 90 °. It contains a turntable 20 arranged flush with the table surface, above which there is a rotatably mounted counter pressure plate 22 at a distance.
  • the counter-pressure plate 22 is fastened to a yoke 24 which extends across the feed table 2 and on which four holders 21 also hang.
  • the lifting movement of the turntable 20 is carried out by a solenoid-type electromagnet 26, the central, vertical plunger 28 of which is connected to a rotatable shaft 30 via a roller bearing housing 32.
  • the electromagnet 26 is rigidly connected to the feed table 2 via a U-shaped holding plate 34 and a bearing body 36.
  • the shaft 30 is rotatably supported in a ball bearing 38 at the bottom and in a slide bearing 40 at the top and is axially movable.
  • a cross bolt 42 which is non-rotatably connected to the turntable 20, penetrates a longitudinal slot 44 of the shaft 30.
  • This hub 46 is rigidly connected to a drive wheel 48.
  • a toothed belt 50 is around this drive wheel 48 and wrapped around a pinion 49 of a stepper motor 54.
  • the stepper motor 54 is rigidly connected to the bearing body 36. The electrical control of this stepper motor 54 takes place via a control circuit 25.
  • the axis 30 and the turntable 20 rigidly connected to it can execute both an axial movement and a rotary movement.
  • a spring 23 causes the shaft 30 to retract into the rest position.
  • the feed table 2 presses against a stop 57 and can be pivoted up about a horizontal pivot axis 56. As a result, the entire feed table 2 can be pivoted upwards in accordance with arrow 55 in order to provide good accessibility between the printer 1 and the folding machine 9.
  • the mode of action is as follows: If a sheet of sheet 3 is fed to the feed table 2 from a printer 1 or the like at a first speed, namely the printer output speed, its format can be determined by the sensors 5-8 by evaluating the covered and free sensors. It is assumed that a sheet of sheet 3 with the format A2 is to be turned through 90 ° in order to be inserted in the correct position into the folding machine 9 which directly adjoins the feed table 2.
  • a suitable folding machine is disclosed in USA-A-5 045 039.
  • the format selection circuit 15 has the effect that the electrical control member 29 of the lifting and rotating assembly 18 is activated, so that the sheet sheet is raised in its middle section and between the turntable 20 and the counter-pressure plate 22 is clamped.
  • the cutting motor 54 starts and causes a rotation of 90 ° in a plane parallel to the table level.
  • the control member 29 causes the turntable 20 to be lowered again, whereupon the sheet 2 is gripped by the conveyor rollers 17. These are driven by the motor 13 at a second speed which is about three times higher than the running-in speed and which preferably corresponds to the working speed of the folding machine 9.
  • the drive rollers 17 could be driven by drive members of the folding machine instead of a motor 13.
  • the motor 13 is controlled by a control member 33. This increased take-off speed prevents faults with continuously new sheet sheets 3.
  • the turntable 20 does not need to be turned back, since the stepper motor 54 again executes a predetermined rotary movement by the stepper motor controller 25 during the next stroke movement.
  • One embodiment variant is that even abnormally long formats can be fed directly to the folding machine 9, e.g. long electrical schematics.
  • the control device is modified in such a way that when all sensors 4-7 are covered, the electric motor 13 and the folding machine 9 are lowered in the sheet transport speed and switched to the transport speed of the printer 1. This prevents the sheet that has not yet left the printer from being drawn into the folding machine which operates at a higher folding speed. As soon as the rear sheet edge has released the sensor 4 or, if need be, an even further sensor on the printer side, the sheet transport and folding machine speed can be increased again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (10)

  1. Procédé pour amener des feuilles de différents formats rectangulaires qui, en provenance d'une imprimante (9) ou d'un copieur, arrivent à une certaine vitesse sur une table d'alimentation (2), puis de là sont envoyées à une machine de post-usinage (9), des moyens de capteur (5-8) étant présents pour déterminer le format de la feuille, au moins un format prédéfini subissant sélectivement une rotation de 90° par rapport au plan de la table, caractérisé en ce que la feuille (3) à tourner, sélectionnée dans chaque cas, est dans sa zone centrale soulevée au-dessus du plan de la table d'alimentation (2), et subit dans cet état une rotation de 90°, et la feuille (3), après abaissement, est évacuée à une vitesse plus grande que la première vitesse.
  2. Procédé selon la revendication 1, caractérisé en ce que, lors de la détermination d'un format à tourner, on active un équipement de levage-rotation pour provo-quer le pivotement de la feuille et, après abaissement de la feuille, cette dernière est évacuée dans une direction d'évacuation (Z2), dirigée dans le même sens que le dispositif d'amenée de feuille (Z1).
  3. Dispositif, notamment pour la mise en oeuvre du procédé selon les revendications 1 ou 2, comportant une table d'alimentation qui est disposée entre une imprimante (1) ou un copieur et une plieuse (9), caractérisé en ce qu'un organe de levage-rotation (18) coopère avec la table d'alimentation (2) pour saisir la feuille (3), et que la table d'alimentation (2) comprend des organes de transport (17) à l'aide desquels la feuille tournée (3) peut être évacuée à une vitesse d'évacuation de feuille (Z2) supérieure à la vitesse d'entrée des feuilles (Z1).
  4. Dispositif selon la revendication 3, caractérisé en ce que l'organe de levage-rotation (18) forme un sous-ensemble avec un électro-aimant (26) et un moteur pas à pas (54).
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce qu'on a au-dessus de l'organe de levage-rotation (18) un disque de contre-pression rotatif (22) contre une poutre transversale (24).
  6. Dispositif selon l'une des revendications 3 à 5, caractérisé en ce qu'on a entre un disque rotatif (20) et un électro-aimant fixe (26) un coussinet par pivotement (32), dans lequel on a, dans un axe (30) lié au disque rotatif (20), une rainure longitudinale (44), traversée par une tige transversale (42), laquelle repose dans un moyeu de roue d'entraînement (46, 48), lequel moyeu est en relation d'entraînement avec un moteur pas à pas (54).
  7. Dispositif selon l'une des revendications 3 à 6, caractérisé en ce que la table d'amenée (2) est formée de façon à pouvoir pivoter autour d'un axe horizontal (56).
  8. Dispositif selon l'une des revendications 3 à 7, caractérisé en ce qu'on a dans la table d'amenée (2) plusieurs capteurs (4-8), qui coopèrent avec un circuit d'évaluation électrique (15), pour permettre la sélection des formats de feuille à tourner.
  9. Dispositif selon l'une des revendications 3 à 8, caractérisé en ce que des premiers cylindres d'entraînement de feuille (10), côté entrée, de la table d'alimentation (2) peuvent être entraînés par un premier moteur (19) ou par une imprimante (1) à une première vitesse, et des deuxièmes cylindres d'entraînement de feuille côté sortie, qui forment les cylindres de transport (17), peuvent être entraînés par un autre moteur (13) ou par la plieuse (9).
  10. Dispositif selon la revendication 3, caractérisé en ce qu'on a des moyens de commutation commandés par des capteurs, moyens à l'aide desquels la vitesse d'évacuation des feuilles peut être adaptée à la vitesse d'entrée des feuilles.
EP93810601A 1992-09-08 1993-08-24 Procédé et dispositif pour alimentes des feuilles à une machine à plier avec une orientation correcte Expired - Lifetime EP0587531B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2810/92 1992-09-08
CH281092 1992-09-08

Publications (3)

Publication Number Publication Date
EP0587531A2 EP0587531A2 (fr) 1994-03-16
EP0587531A3 EP0587531A3 (en) 1994-06-29
EP0587531B1 true EP0587531B1 (fr) 1995-05-31

Family

ID=4242102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810601A Expired - Lifetime EP0587531B1 (fr) 1992-09-08 1993-08-24 Procédé et dispositif pour alimentes des feuilles à une machine à plier avec une orientation correcte

Country Status (3)

Country Link
US (1) US5320340A (fr)
EP (1) EP0587531B1 (fr)
DE (1) DE59300234D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202609C2 (de) * 2001-01-30 2003-12-04 Roth & Weber Gmbh Verfahren und Vorrichtung zum Zuführen von Blattbogen

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Publication number Priority date Publication date Assignee Title
DE4332428C2 (de) * 1993-09-23 1997-01-23 Siemens Ag Formaterkennungsvorrichtung für eine Filmkassette
JP3293421B2 (ja) * 1994-10-19 2002-06-17 ノーリツ鋼機株式会社 写真現像処理装置
US5575468A (en) * 1994-10-25 1996-11-19 Bell; David L. Power turning and orienting method and apparatus
US5882006A (en) * 1995-10-06 1999-03-16 Baldwin Technology Corporation Apparatus and method for turning and orienting articles within an article pathway
US5891007A (en) * 1996-03-14 1999-04-06 Christian Bay Method and apparatus for punch-cutting notches in the edge of the binding margin of folded sheet goods
NL1004297C2 (nl) * 1996-10-17 1998-04-20 Oce Tech Bv Werkwijze en inrichting voor het draaien van een voortbewegend vel.
FR2768656B1 (fr) * 1997-09-23 1999-12-10 Neopost Ind Dispositif de reorientation d'enveloppe
DE50211191D1 (de) 2001-10-11 2007-12-27 Bay Christian Papiertransporteinrichtung zwischen einem Plotter und einem Falter
ATE533717T1 (de) * 2008-02-08 2011-12-15 Mueller Martini Holding Ag Vorrichtung zum umlenken von vereinzelten druckprodukten
US8061709B2 (en) 2008-10-10 2011-11-22 Lasermax Roll Systems, Inc. System and method for rotating sheets
US8167293B2 (en) 2009-08-25 2012-05-01 Lasermax Roll Systems, Inc. System and method for inline cutting and stacking of sheets for formation of books
US8882099B2 (en) 2009-08-25 2014-11-11 Lasermax Roll Systems, Inc. System and method for inline cutting and stacking of sheets for formation of books
UA99738C2 (uk) * 2010-04-23 2012-09-25 Виктор Алексеевич Барский Спосіб постачання електроенергії індивідуальним споживачам і спосіб постачання електроенергії електроприводу з використанням електричної мережі змінного струму
US9098089B2 (en) * 2013-02-20 2015-08-04 Ncr Corporation Media alignment

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DE2916828A1 (de) * 1979-04-26 1980-11-06 Rueckle Carl Maschinenbau Vorrichtung zum ausrichten einer materialbahn, insbesondere furnierbahn
DE3048298C2 (de) * 1980-12-20 1983-08-11 Otto Dipl.-Ing. 4553 Subingen Solothurn Bay Vorrichtung zum Transport von Blattbögen unterschiedlichen Rechteckformates
DE8410361U1 (fr) * 1984-04-03 1987-09-10 Adrema Maschinenbau Gmbh, 6148 Heppenheim, De
FR2607436B1 (fr) * 1986-12-02 1989-02-10 Saint Gobain Vitrage Procede et dispositif d'assemblage automatique de vitrages feuilletes
US5045039A (en) * 1989-06-16 1991-09-03 Otto Bay Program controlled sheet folding apparatus for folding large sheets into predetermined formats
US5154405A (en) * 1991-08-01 1992-10-13 Pitney Bowes Inc. Stopping device for envelope turner
US5188355A (en) * 1991-12-30 1993-02-23 Pitney Bowes Inc. Apparatus for conveying sheets from landscape to portrait arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202609C2 (de) * 2001-01-30 2003-12-04 Roth & Weber Gmbh Verfahren und Vorrichtung zum Zuführen von Blattbogen

Also Published As

Publication number Publication date
US5320340A (en) 1994-06-14
EP0587531A2 (fr) 1994-03-16
EP0587531A3 (en) 1994-06-29
DE59300234D1 (de) 1995-07-06

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