EP0129013B1 - Appareil de pliage avec un parcours de retard - Google Patents

Appareil de pliage avec un parcours de retard Download PDF

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Publication number
EP0129013B1
EP0129013B1 EP84104190A EP84104190A EP0129013B1 EP 0129013 B1 EP0129013 B1 EP 0129013B1 EP 84104190 A EP84104190 A EP 84104190A EP 84104190 A EP84104190 A EP 84104190A EP 0129013 B1 EP0129013 B1 EP 0129013B1
Authority
EP
European Patent Office
Prior art keywords
rollers
belt conveyor
folding apparatus
folded
belts
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
Application number
EP84104190A
Other languages
German (de)
English (en)
Other versions
EP0129013A1 (fr
Inventor
Ingo Köbler
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
MAN Roland Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0129013A1 publication Critical patent/EP0129013A1/fr
Application granted granted Critical
Publication of EP0129013B1 publication Critical patent/EP0129013B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines

Definitions

  • the invention relates to a folder for web-fed rotary printing presses, in which folded copies can be fed to a delay line via a first belt line near the press and having upper and lower belts, behind which they are fed to a second, slower-running belt line remote from the press.
  • Fig. 1 shows schematically an upper and a lower delay line 1, 2. Since the two delay lines are constructed identically and are preferably arranged in mirror image on both sides of the fold copy transport path, only the upper delay line 1 will be described below for simplicity and, if necessary, similar elements of the lower delay line 2 with the same reference number and an apostrophe. This also applies in the following to the other components, which are arranged twice.
  • the strip line system shown on the left in FIG. 1 comprises an upper strip line 3 and a lower strip line 4, between which folded copies, for example arriving from a collecting cylinder at a certain distance, are fed to the delay line 1, 2 according to the invention.
  • the delayed fold copies then arrive between a slower-running tape line system, which comprises an upper tape line 5 and a lower tape line 6.
  • the folding copies 8, 9 coming from a printing machine in the direction of arrow 7 and folded in the folder leave the wedge-shaped opening of the ribbon cables 3, 4, the length of which can be changed by pressure rollers 10, 11 which can be displaced in the transport direction of the folding copies 8, 9.
  • the slower-running tape lines 5, 6 also converge in a wedge shape, the length of the wedge being adjustable by means of displaceable pressure rollers 12, 13 depending on the lengths of the folded copies and, if appropriate, on the speed conditions.
  • the upper deceleration section 1 comprises a ribbon cable 14 which is guided around a drive roller 1 and around a displaceable tensioning and deflection roller 16. Below the rollers 15, 16, the ribbon cable 14 is guided in an S-shape around ribbon rollers 17, 18 and 19, 20.
  • One of the rollers 19, 20 should in turn be adjustable, here the belt roller 19 arranged on a pin 36, in order to enable the length of the delay line between the rollers 19, 20 to be matched to the respective length of the folded copies 8, 9.
  • the tape rolls 17, 18 are moved together parallel to the transport direction of the folded copies 8, 9.
  • This shift is carried out with the aid of an eccentric drive 22, 23.
  • the eccentric drive 22, 23 is designed such that the tape line 14 - and of course the tape line 14 'underneath it - of the lower delay line 2 has its maximum speed, which corresponds to the speed of the tape lines 3, 4 if the leading edge of a folded copy between the tape lines 14, 14 'arrives. This enables bumpless copies 8, 9 to be taken over smoothly.
  • the speed of the tape lines 14, 14 ' is reduced to the speed of the tape lines 5, 6.
  • the upper delay line 1 is shown in detail.
  • the drive roller 15 is arranged on a shaft 24 running at three times the machine speed, on which a drive gear 25 is fastened.
  • the latter is driven by a gear 26, which is arranged on a shaft 27 together with another gear 28.
  • the latter is in turn driven by a gear 29 on the shaft 30 rotating at machine speed.
  • the gearwheel 25 on the shaft 30 also drives a gearwheel 31 seated on a shaft 32 rotating at machine speed.
  • a gearwheel 31 seated on a shaft 32 rotating at machine speed.
  • the eccentric disk 23 to which a push lever 22 is detachably fastened in order to be able to switch off the eccentric drive as desired. This is indicated at 33.
  • the eccentric 22, 23 pushes the tape reels 17, 18 back and forth in the rhythm of the fold copy feed, which increases the speed of the tape line 14 when moving in one direction and the speed of the tape line 14 when moving in the opposite direction
  • Tape line 14 results in each case at an average speed at which the drive roller 15 rotates.
  • This increase or decrease in speed, based on the average speed has an advantageous effect between the tape reels 19 and 20 due to the inventive design of the delay lines, whereby the speed of the delay line depends on the speed of the faster-running tape lines 3, 4 and in the other Case can be adapted to the slower-running tape lines 5, 6 to ensure the advantageous takeover delay and delivery of the folded copies.
  • the acceleration and deceleration effect of the belt section between the belt rollers 19, 20 according to the invention is explained by the fact that when the deflection rollers 17, 18 are shifted in one direction of the average belt speed, an increase in speed, as it were, by adding an additional belt length and when the deflection rollers 17 move, 18 a delay is imposed in the opposite direction by removing a certain length of tape.
  • the thrust lever 22 is advantageously articulated between the two deflection rollers 17, 18, which results in particularly favorable kinematic conditions.
  • two guides 34, 34 ' are attached to the outer sides of two side walls 35, 35'.
  • the side walls 35, 35 ' serve as storage for the components used in the delay line 1.
  • FIG. 3 and 4 best show, two bolts 37, 37 'are used, each of which is mounted in a side wall 35, 35' and on which the deflection rollers 17, 17 'are each arranged via unspecified bearings, since in the embodiment described here two ribbon lines 14, 14 'are used next to each other.
  • three or more ribbon cables can optionally be used side by side.
  • the end of the push lever 22 can be fixed in the middle via bearings on the bolt 40 fastened in the slide rails 38, 38 '.
  • a metal cover 39 can be used to cover the delay line shown in FIGS. 2 to 4.
  • the rotary movement of the eccentric disc 23 is converted via the thrust crank 22 into a longitudinal movement, by means of which the slide rails 38, 38 'are moved back and forth in order to achieve the desired deceleration and acceleration on the lower section of the band line 14 guided around the deflection rollers 17, 18 generate, which carry out the movement of the slide rails 38, 38 ', since they are mounted in these.
  • the slide rails 38, 38 ' In order to enable a back and forth movement of the bolts 37, 37 'and 41 in the slide rails 38, 38' via the stroke H, correspondingly long longitudinal slots 21, 21 'are provided in the side walls 35, 35'.
  • FIG. 5 shows an embodiment variant of the delay line according to the invention, again again only the upper delay line 43 being shown schematically.
  • This comprises a ribbon line 44 which is driven by a drive roller 45.
  • the tape line is in turn guided in an S-shape in the manner already described about tape rolls 47, 48 and 49, 50, in contrast to the illustration according to FIGS. 1 and 2 here the tape rolls 49, 50 being spaced further apart and a lowerable one between them Folding knife 51 is arranged.
  • the folding knife 31 is then lowered when the tape line 44 has a minimum speed.
  • the folding knife 41 is lowered, the specimen located between the deflecting rollers 49, 50 is fed to the folding rollers 52 underneath in order to close the second longitudinal fold produce.
  • the pair of folding rollers 52 then preferably passes each folded copy directly to a paddle wheel.
  • a further operating variant is given in that a shed delivery is possible when the folding knife 51 is switched off and the table 53 is lowered in the direction of the arrow 54.
  • the slower-running delivery belt 55 receiving the folded copies 54 is also lowered, so that the formation of scales is possible.
  • the delay bands shown should also be set to e.g. Target speed can be switched to e.g. To be able to drive double production.
  • the «short belt» is particularly suitable for the delivery of scales.

Landscapes

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

Claims (10)

1. Appareil de pliage pour presses d'imprimerie rotatives à bobines, dans lequel des exemplaires à plier peuvent être acheminés, par l'intermédiaire d'un premier transporteur à bande (3, 4, 10, 11) comprenant une bande supérieure (3) et une bande inférieure (4) et situé à proximité de la presse, à une zone de ralentissement en aval de laquelle ces exemplaires sont achéminés à un deuxième transporteur à bande (5, 6, 12, 13; 55), plus éloigné de la presse et circulant plus lentement, caractérisé en ce qu'entre le premier transporteur à bande (3, 4, 10, 11 ) et le deuxième transporteur à bande (5, 6, 12, 13; 55) est interposé un troisième transporteur à bande (1,2) qui comprend des bandes supérieure et inférieure (14, 14'), qui forment la zone de ralentissement et dont les bandes (14, 14') peuvent être entraînées à une vitesse variable, en ce que les bandes (14, 14') du troisième transporteur à bande (1, 2) peuvent être entraînées avec une grande vitesse, qui correspond au premier transporteur à bande (3, 4) au moment où le bord avant des exemplaires à plier (8, 9) acheminés avec des espacements intercalaires atteint ce transporteur, après quoi les bandes (14, 14') du troisième transporteur à bande (1, 2) sont ralenties de manière à posséder la vitesse plus faible du deuxième transporteur à bande (5, 6; 55) au moment où le bord avant d'un exemplaire à plier (8, 9) atteint ce deuxième transporteur et en ce que l'espacement entre les exemplaires à plier (8, 9) acheminés l'un après l'autre est calculé de manière que l'exemplaire à plier suivant (9) n'atteigne les bandes (14, 14') du troisième transporteur à bande (1, 2) que lorsque celui-ci a été réaccéléré à la vitesse des bandes (3, 4) du premier transporteur à bande (3, 4, 10, 11
2. Appareil de pliage selon la revendication 1, caractérisé en ce que les bandes (14, 14') du troisième transporteur à bande (1,2) embrassent des rouleaux de renvoi (19, 20) qui définissent la longueur de la zone de ralentissement des exemplaires à plier (8, 9) et,ensuite, embrassent, en suivant un trajet en forme de S, deux rouleaux (18, 19) qui sont mobiles en translation alternative dans la direction du transport des exemplaires à plier, après quoi ils embrassent deux autres rouleaux de renvoi (15, 16), dont l'un est un rouleau (15) d'entraînement de la bande, et en ce que les segments des bandes compris entre les rouleaux de renvoi (19, 20) qui forment la zone de ralentissement et entre les rouleaux (17, 18) mobiles en translation alternative, ainsi qu'entre ces derniers et les autres rouleaux de renvoi (15, 16), s'étendent parallèlement à la direction du transport des exemplaires à plier.
3. Appareil de pliage selon la revendication 2, caractérisé en ce que, dans chacun des trois transporteurs à bande, au moins un rouleau de renvoi (10, 12, 19) est mobile en translation dans la direction du transport des exemplaires à plier (8, 9).
4. Appareil de pliage selon la revendication 2, caractérisé en ce que les rouleaux (17, 18) mobiles en translation alternative peuvent être déplacés par un mécanisme à bielle-manivelle (22, 23).
5. Appareil de pliage selon la revendication 4, caractérisé en ce que les rouleaux mobiles en translation alternative (17, 18) sont prévus chacun au moins en double (17', 18') dans la direction transversale à la direction du transport des exemplaires à plier (8, 9).
6. Appareil de pliage selon la revendication 5, caractérisé en ce que deux rouleaux (18, 18') sont montés à côté de deux parois latérales (35, 35') sur un axe ininterrompu (41) et les rouleaux (17, 17') de l'autre paire de rouleaux sont montés chacun sur un axe séparé (37, 37'), à côté de leur paroi latérale respective (35, 35') et en ce que la bielle (22) est fixée, entre les rouleaux avant et arrière (17, 17'; 18, 18'), sur un axe (40) qui s'étend entre les parois latérales (35, 35') et est montée dans des pièces (38, 38') mobiles en translation alternative, sur lesquelles sont également montés les axes (37, 37'; 41) des rouleaux (17, 17'; 18, 18').
7. Appareil de pliage selon la revendication 6, caractérisé en ce que les axes courts (37, 37') qui portent les rouleaux (17, 17') sont guidés en supplément chacun sur une plaque d'appui (42, 42') fixée chacune à une paroi latérale (35, 35').
8. Appareil de pliage selon l'une des revendications 2 à 7, caractérisé en ce que le méchanisme à bielle-manivelle (22, 23) peut être désaccouplé.
9. Appareil de pliage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'entre les rouleaux de renvoi (49, 50) du transporteur à bande (43) servant de zone de ralentissement, rouleaux qui forment une zone de ralentissement prolongée, est disposée une lame de pliage (51) qui, lorsque les bandes (44) ont leur vitesse minimum, pousse les exemplaires à plier entre deux rouleaux de pliage disposés au-dessous.
10. Appareil de pliage selon l'une des revendications 2 à 8, caractérisé en ce qu'un transporteur à bande (55) placé en aval de la zone de ralentissement (43) peut être abaissé de manière que les exemplaires à plier ralentis puissent être déposés sur ce transporteur dans une disposition en écailles.
EP84104190A 1983-06-16 1984-04-13 Appareil de pliage avec un parcours de retard Expired EP0129013B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3321811A DE3321811C2 (de) 1983-06-16 1983-06-16 Falzapparat für Rollenrotationsdruckmaschinen
DE3321811 1983-06-16

Publications (2)

Publication Number Publication Date
EP0129013A1 EP0129013A1 (fr) 1984-12-27
EP0129013B1 true EP0129013B1 (fr) 1986-10-29

Family

ID=6201686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84104190A Expired EP0129013B1 (fr) 1983-06-16 1984-04-13 Appareil de pliage avec un parcours de retard

Country Status (4)

Country Link
US (1) US4516759A (fr)
EP (1) EP0129013B1 (fr)
JP (1) JPH0659968B2 (fr)
DE (2) DE3321811C2 (fr)

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EP0141136B1 (fr) * 1983-09-12 1986-12-30 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Parcours de retard pour un appareil de pliage
DE3332809C2 (de) * 1983-09-12 1986-03-20 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bandverzögerungsstrecke für einen Falzapparat
DE3527712A1 (de) * 1985-08-02 1987-02-12 Roland Man Druckmasch Falzapparat mit einer sammelvorrichtung vor dem dritten falz
US4682767A (en) * 1985-08-23 1987-07-28 Littleton Francis J Apparatus for folding and delivering sheet material
US5039082A (en) * 1986-04-04 1991-08-13 Littleton Industrial Consultants, Inc. Double slow down pinless and gripperless delivery system
US4919027A (en) * 1986-04-04 1990-04-24 Littleton Industrial Consultants, Inc. Sheet diverting and delivery system
US4969640A (en) * 1986-04-04 1990-11-13 Littleton Industrial Consultants, Inc. Sweet diverting and delivery system
US4787311A (en) * 1987-08-19 1988-11-29 Pitney Bowes Inc. Mailing machine envelope transport system
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US5037365A (en) * 1989-12-20 1991-08-06 Harris Graphics Corporation Folder with belt speed control
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DE4243222C2 (de) * 1992-12-19 1997-07-03 Roland Man Druckmasch Vorrichtung zum Transport und zur Verlangsamung von Falzprodukten
US5358464A (en) * 1992-12-31 1994-10-25 R. Funk & Co., Inc. Conveyor system and multi-speed folder
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DE4447723B4 (de) * 1994-08-23 2005-07-07 Ltg Lufttechnische Gmbh Vorrichtung zum Zuführen oder Abführen von tafelförmigen Gütern
US5775689A (en) * 1996-11-22 1998-07-07 Bell & Howell Mail Processing Systems Accumulator apparatus and method
JP3835933B2 (ja) 1998-02-27 2006-10-18 三菱重工業株式会社 折機の折り丁搬送装置
DE19811109A1 (de) * 1998-03-13 1999-09-16 Koenig & Bauer Ag Falztrichter
FR2779709B1 (fr) * 1998-06-11 2000-09-01 Heidelberger Druckmasch Ag Dispositif de ralentissement de cahiers
DE19831044A1 (de) 1998-07-13 2000-01-20 Heidelberger Druckmasch Ag Vorrichtung zur Änderung der Geschwindigkeit von Exemplaren
DE19846032C2 (de) * 1998-10-06 2002-06-20 Windmoeller & Hoelscher Vorrichtung zum Ablegen von einzeln aufeinanderfolgend geförderten flachen Gegenständen auf einen weiterfördernden Förderer in einer geschuppt übereinanderliegenden Formation
US6394445B1 (en) * 1998-12-30 2002-05-28 Quad/Tech, Inc. Apparatus for slowing down and guiding a signature and method for doing the same
DE19903120A1 (de) 1999-01-27 2000-08-03 Roland Man Druckmasch Vorrichtung zur Verlangsamung von Produkten
DE50007814D1 (de) * 1999-03-19 2004-10-21 Koenig & Bauer Ag Walzen zum führen von papierbahnen
DE10160754C2 (de) * 2001-11-14 2003-10-09 Koenig & Bauer Ag Fördereinheit zum Fördern flacher Gegenstände
DE102004026138B3 (de) * 2004-05-28 2005-11-17 Koenig & Bauer Ag Vorrichtung zur Geschwindigkeitsänderung laufender Druckerzeugnisse
DE102013100232A1 (de) * 2013-01-10 2014-07-10 Krones Ag Verfahren und Vorrichtung zur Herstellung variabler Lücken zwischen Artikeln oder Artikelgruppen eines Artikelstroms
EP4166489B1 (fr) * 2021-10-14 2024-05-08 H+H GmbH & Co. KG Module de pliage croisé pour une machine à plier et machine à pliante équipée d'un tel module

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Also Published As

Publication number Publication date
JPH0659968B2 (ja) 1994-08-10
DE3321811C2 (de) 1986-01-02
DE3321811A1 (de) 1984-12-20
DE3461065D1 (en) 1986-12-04
US4516759A (en) 1985-05-14
JPS6012468A (ja) 1985-01-22
EP0129013A1 (fr) 1984-12-27

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