EP0611714A1 - Conveyor for transporting printed products fed regularly on a flat support formed by at least a first driven web - Google Patents

Conveyor for transporting printed products fed regularly on a flat support formed by at least a first driven web Download PDF

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Publication number
EP0611714A1
EP0611714A1 EP94810075A EP94810075A EP0611714A1 EP 0611714 A1 EP0611714 A1 EP 0611714A1 EP 94810075 A EP94810075 A EP 94810075A EP 94810075 A EP94810075 A EP 94810075A EP 0611714 A1 EP0611714 A1 EP 0611714A1
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EP
European Patent Office
Prior art keywords
conveying device
printed products
belt
height
driven
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Withdrawn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
EP94810075A
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German (de)
French (fr)
Inventor
Ernst Lüthi
Daniel Langenegger
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 EP0611714A1 publication Critical patent/EP0611714A1/en
Withdrawn legal-status Critical Current

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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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B65H5/023—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between a pair of belts forming a transport nip

Definitions

  • the invention relates to a conveyor device according to the preamble of patent claim 1.
  • Conveying devices of the above type are used, inter alia, at transition points between further processing machines and devices. For example, between a cycle feeder and a side cutter, where stapled printed products pass through the last processing station.
  • the feed in flake form or individually takes place continuously in a predetermined work cycle, to which the conveyor device mentioned at the outset is largely bound.
  • the latter takes on the task of reliably transporting the printed products in a certain position to the side cutting device or the subsequent processing station in order to avoid disruptions in the further workflow.
  • the object of the present invention is therefore to create a conveyor device with which the above-mentioned defects do not occur and which ensures reliable transport of the printed products.
  • the printed products can be picked up in the correct position and transported further, and the conveyor can adapt to the different thicknesses of the printed products.
  • FIG. 1 and 2 illustrate an upper conveyor device 1, which is formed from an endlessly rotating second belt 3 and interacts with a lower, endlessly rotating first belt 4, of a conveyor device which is shown in part.
  • the first belt 4 forms a flat support 5 on which the printed products 6, for example regularly or intermittently by a transponder or fed in scale formation in the direction of the arrow P, are placed in front of the fold.
  • the height of the conveyor channel 8 is variable.
  • the guide roller 13 rests on the back of the run 7 and, as can be seen, presses it against the support 5 in time with the supplied printed products, so that an entry region 11 that narrows increasingly at the entrance of the conveying channel in the conveying direction of the printed products.
  • the guide roller 13 is freely rotatably mounted on a lever arm 14 of a two-armed lever arrangement 15, the other lever arm 16 of which is engaged by a tension spring 20 acting on the lever arm 14 is pressed via a control roller 17 to a control shaft 18 of an actuator 19.
  • the cross section of the control shaft 18 in the area of the adjacent control roller 17 is increasingly eccentric in one direction of rotation and can be driven in both directions.
  • the lever arrangement 15 according to FIG. 2 is provided on both sides of the conveyor device 1.
  • the second belt 3 is driven by a drive wheel 21 on the shaft of the guide and drive means 9.
  • the change in the inlet area 11 of the conveyor channel 8 takes place in direct dependence on the drive of the second belt 3.

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

Abstract

For transporting flat printed products (6) which rest on a support formed by a first driven belt (4) and are moved forwards by the strand (7) of a second belt (3), arranged above it, in a conveying channel (8), the entry region (11) of the latter (8) is designed to be variable in its height. <IMAGE>

Description

Die Erfindung betrifft eine Fördereinrichtung nach dem Oberbegriff des Patentanspruches 1.The invention relates to a conveyor device according to the preamble of patent claim 1.

Fördereinrichtungen der vorstehenden Art werden u.a. an Übergangsstellen zwischen weiterverarbeitenden Maschinen und Einrichtungen eingesetzt. So beispielsweise zwischen einem Takttransporteur und einer Seitenschneideinrichtung, wo geheftete Druckprodukte die letzte Bearbeitungsstation durchlaufen. Die Zuführung in Schuppenform oder einzeln erfolgt kontinuierlich in einem vorgegebenen Arbeitstakt, an den die eingangs erwähnte Fördereinrichtung weitestgehend gebunden ist.
Letztere übernimmt die Aufgabe, die Druckprodukte in einer bestimmten Lage zuverlässig an die Seitenschneideinrichtung bzw. die anschliessende Verarbeitungsstation zu transportieren, um Störungen im weiteren Arbeitsablauf zu vermeiden.Conveying devices of the above type are used, inter alia, at transition points between further processing machines and devices. For example, between a cycle feeder and a side cutter, where stapled printed products pass through the last processing station. The feed in flake form or individually takes place continuously in a predetermined work cycle, to which the conveyor device mentioned at the outset is largely bound.
The latter takes on the task of reliably transporting the printed products in a certain position to the side cutting device or the subsequent processing station in order to avoid disruptions in the further workflow.

Bei einer bekannten Fördereinrichtung der eingangs genannten Art trifft es zu, dass die flach liegend, falzvoran zugeführten Druckprodukte wegen ihrer ungleichen Dicke vornehmlich an der Falzkante durch die Eintrittsoberkante zum Förderkanal gestört und dadurch aus ihrer vorgeschriebenen Lage verschoben werden. Daraus folgt eine Unterbrechung des Arbeitszyklus oder ein ungenügendes Beschneiden der Seitenkanten an den Druckprodukten.In the case of a known conveyor device of the type mentioned at the outset, it is the case that the lying flat, fed in front of the fold Due to their unequal thickness, printed products are disturbed primarily at the folded edge by the upper entry edge to the conveying channel and are thereby displaced from their prescribed position. This results in an interruption in the work cycle or inadequate trimming of the side edges on the printed products.

Aufgabe der vorliegenden Erfindung ist es somit, eine Fördereinrichtung zu schaffen, mit welcher die oben aufgeführten Mängel nicht eintreten und die einen zuverlässigen Transport der Druckprodukte gewährleistet.The object of the present invention is therefore to create a conveyor device with which the above-mentioned defects do not occur and which ensures reliable transport of the printed products.

Erfindungsgemäss wird diese Aufgabe nach dem kennzeichnenden Teil des Patentanspruches 1 gelöst.According to the invention, this object is achieved according to the characterizing part of patent claim 1.

Dadurch können die Druckprodukte von der Fördereinrichtung lagerichtig aufgenommen und weitertransportiert werden und die Fördereinrichtung kann sich jeweils an die unterschiedlichen Dicken der Druckprodukte anpassen.As a result, the printed products can be picked up in the correct position and transported further, and the conveyor can adapt to the different thicknesses of the printed products.

Nachfolgend wird die Erfindung anhand von zwei Ausführungsbeispielen näher erläutert. Es zeigen:

Fig. 1
eine Seitenansicht einer Ausführungsform des Erfindungsgegenstandes,
Fig. 2
eine Ansicht der Ausführungsform gemäss Fig. 1 von unten,
Fig. 3
eine Seitenansicht einer weiteren Ausführungsform des Erfindungsgegenstandes und
Fig. 4
eine Ansicht der Ausführungsform gemäss Fig. 3 von unten.
The invention is explained in more detail below on the basis of two exemplary embodiments. Show it:
Fig. 1
a side view of an embodiment of the subject matter of the invention,
Fig. 2
2 shows a view of the embodiment according to FIG. 1 from below,
Fig. 3
a side view of another embodiment of the subject of the invention and
Fig. 4
a view of the embodiment of FIG. 3 from below.

In den Fig. 1 und 2 ist ein oberer, aus einem endlos umlaufenden zweiten Band 3 gebildeter und mit einem unteren, endlos umlaufenden ersten Band 4 zusammenwirkende Fördervorrichtung 1 einer teilweise dargestellten Fördereinrichtung veranschaulicht. Das erste Band 4 bildet eine flache Auflage 5 auf der die beispielsweise von einem Transprteur regelmässig bzw. taktweise vereinzelt oder in Schuppenformation in Pfeilrichtung P zugeführten Druckprodukte 6 falzvoran abgelegt werden. Über der Auflage 5, die von wenigstens einem Trum des umlaufend angetriebenen ersten Bandes 4 gebildet ist, verläuft etwa parallel ein Trum 7 des zweiten endlos umlaufenden Bandes 3 in gleicher Bewegungsrichtung wie das die Auflage 5 bildende erste Band 4. Zusammen bilden beide Bänder 3, 4 im Bereich der Auflage 5 einen Förderkanal 8, dessen Durchtrittshöhe durch Höhenverstellen (nicht dargestellt) eines das zweite Band 3 und dessen Führungs- und Antriebsmittel 9 tragenden Gestells 10, angepasst an die Dicke der zugeführten Druckprodukte 6, verstellbar ist.
In dem stromaufwärts sich befindenden Eintrittsbereich 11, der durch zwei beabstandete Führungsrollen 12, 13 begrenzt ist, ist der Förderkanal 8 hinsichtlich seiner Höhe veränderbar ausgebildet. Im dargestellten Fall gemäss Fig. 1 liegt die Führungsrolle 13 an der Rückseite des Trums 7 an und drückt diesen wie ersichtlich im Takt der zugeführten Druckprodukte gegen die Auflage 5, sodass ein sich am Eingang des Förderkanals in Förderrichtung der Druckprodukte zunehmend verengender Eintrittsbereich 11 entsteht. Diese Massnahme bewirkt, dass die Druckprodukte 6 vom Förderkanal 8 schonend übernommen und ohne Lageveränderung weitergeleitet werden.
Es wäre auch möglich, mit der vorgeschalteten Führungsrolle 12 einen zumindest ähnlichen Effekt zu erreichen.
Die Führungsrolle 13 ist frei drehbar an einem Hebelarm 14 einer zweiarmigen Hebelanordnung 15 gelagert, deren anderer Hebelarm 16 durch eine an Hebelarm 14 angreifende Zugfeder 20 über eine Steuerrolle 17 an eine Steuerwelle 18 eines Stellantriebes 19 gepresst wird. Hierzu ist der Querschnitt der Steuerwelle 18 im Bereich der anliegenden Steuerrolle 17 in einer Drehrichtung zunehmend exzentrisch und in beiden Richtungen antreibbar ausgebildet. Zur Meidung von Torsionsmomenten ist die Hebelanordnung 15 entsprechend der Fig. 2 beidseits der Fördervorrichtung 1 vorgesehen. Der Vollständigkeithalber sei vermerkt, dass das zweite Band 3 von einem Antriebsrad 21 an der Welle des Führungs- und Antriebsmittels 9 angetrieben wird.1 and 2 illustrate an upper conveyor device 1, which is formed from an endlessly rotating second belt 3 and interacts with a lower, endlessly rotating first belt 4, of a conveyor device which is shown in part. The first belt 4 forms a flat support 5 on which the printed products 6, for example regularly or intermittently by a transponder or fed in scale formation in the direction of the arrow P, are placed in front of the fold. Above the support 5, which is formed by at least one run of the rotatingly driven first belt 4, runs approximately parallel to a run 7 of the second endless belt 3 in the same direction of movement as the first belt 4 forming the support 5. Together, the two belts 3, 4 in the area of the support 5, a conveyor channel 8, the passage height of which can be adjusted by adjusting the height (not shown) of a frame 10 carrying the second belt 3 and its guide and drive means 9, adapted to the thickness of the printed products 6 supplied.
In the inlet area 11 located upstream, which is delimited by two spaced-apart guide rollers 12, 13, the height of the conveyor channel 8 is variable. In the illustrated case according to FIG. 1, the guide roller 13 rests on the back of the run 7 and, as can be seen, presses it against the support 5 in time with the supplied printed products, so that an entry region 11 that narrows increasingly at the entrance of the conveying channel in the conveying direction of the printed products. This measure has the effect that the printed products 6 are carefully taken over by the conveying channel 8 and passed on without changing their position.
It would also be possible to achieve an at least similar effect with the upstream guide roller 12.
The guide roller 13 is freely rotatably mounted on a lever arm 14 of a two-armed lever arrangement 15, the other lever arm 16 of which is engaged by a tension spring 20 acting on the lever arm 14 is pressed via a control roller 17 to a control shaft 18 of an actuator 19. For this purpose, the cross section of the control shaft 18 in the area of the adjacent control roller 17 is increasingly eccentric in one direction of rotation and can be driven in both directions. In order to avoid torsional moments, the lever arrangement 15 according to FIG. 2 is provided on both sides of the conveyor device 1. For the sake of completeness, it should be noted that the second belt 3 is driven by a drive wheel 21 on the shaft of the guide and drive means 9.

Bei einer weiteren Ausführungsform der erfindungsgemässen Fördereinrichtung nach den Fig. 3 und 4 erfolgt die Änderung des Eintrittsbereichs 11 des Förderkanals 8 in direkter Abhängigkeit mit dem Antrieb des zweiten Bandes 3. Dabei sitzt auf der Welle des Antriebsrades 21 ein Ritzel 22 das mit einem kämmenden Ritzel 23 ein Vorgelege 24 bildet. Auf der Welle des Ritzels 23 befindet sich ein Steuernocken 25, an welchem sich eine Steuerrolle 17 mit Hilfe einer Zugfeder 20 anlehnt, um über den letzterer zugeordneten Hebelarm 16 einer Hebelanordnung 15 die an der Rückseite des Trums 7 anstehende Führungsrolle 13 durch Hebelarm 14 zu betätigen.In a further embodiment of the conveyor device according to the invention according to FIGS. 3 and 4, the change in the inlet area 11 of the conveyor channel 8 takes place in direct dependence on the drive of the second belt 3. A pinion 22, which has a meshing pinion, is seated on the shaft of the drive wheel 21 23 forms a reduction gear 24. On the shaft of the pinion 23 there is a control cam 25, against which a control roller 17 rests with the aid of a tension spring 20 in order to actuate the guide roller 13 at the rear of the run 7 by lever arm 14 via the lever arm 16 of a lever arrangement 15 assigned to the latter .

Claims (8)

Fördereinrichtung zum Transport von sich auf einer durch wenigstens ein angetriebenes erstes Band gebildeten flachen Auflage regelmässig folgenden Druckprodukten, mit einem über der Auflage angeordneten, gleichförmig angetriebenen und mit letzterer einen Förderkanal bildenden Trum wenigtstens eines zweiten Bandes, dadurch gekennzeichnet, dass die Höhe des Förderkanals (8) in dem stromaufwärts sich befindenden Endbereich (11) jeweils im Takt der zugeführten Druckprodukte (6) veränderbar ausgebildet ist.Conveying device for the transport of printed products which regularly follow one another on a flat support formed by at least one driven first belt, with a uniformly driven run arranged above the support and forming a conveyor channel with the latter, at least one second belt, characterized in that the height of the conveyor channel ( 8) in the upstream end region (11) is designed to be changeable in time with the supplied printed products (6). Fördereinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Höhe des Endbereichs (11) zur stromaufwärts angeordneten Eintrittsöffnung des Förderkanals (8) hin zunehmend ausgebildet ist.Conveying device according to claim 1, characterized in that the height of the end region (11) towards the upstream inlet opening of the conveying channel (8) is increasingly formed. Fördereinrichtung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Höhe des Endbereichs (11) des Förderkanals (8) durch zwei an der Rückseite des durch das zweite Band (3) gebildeten Trums (7) anliegenden Rollen (12, 13) ausgebildet ist.Conveying device according to claims 1 and 2, characterized in that the height of the end region (11) of the conveying channel (8) is formed by two rollers (12, 13) resting on the back of the run (7) formed by the second belt (3). Fördereinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass wenigstens eine der Rollen (12, 13) die Höhe des Förderkanals (8) vornehmlich im Endbereich (11) verändernd angetrieben ist.Conveying device according to claim 3, characterized in that at least one of the rollers (12, 13) is driven to change the height of the conveying channel (8) primarily in the end region (11). Fördereinrichtung nach Anspruch 4, dadurch gekennzeichnet, dass zur Bestimmung bzw. Anderung der Rollenlage ein mit einer die Dicke der Druckprodukte (6) messenden Vorrichtung verbundener Stellantrieb (19) vorgesehen ist.Conveying device according to claim 4, characterized in that an actuator (19) connected to a device measuring the thickness of the printed products (6) is provided for determining or changing the roller position. Fördereinrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Rolle (13) an dem freien Hebelende eines an einer mit der Abtriebswelle eines Stellmotors verbundenen Steuerkurve nachgiebig anliegenden Doppelhebels drehbar gelagert ist.Conveying device according to claim 5, characterized in that the roller (13) is rotatably mounted on the free lever end of a double lever which resiliently rests on a control cam connected to the output shaft of a servomotor. Fördereinrichtung nach Anspruch 4, dadurch gekennzeichnet, dass zur Änderung der Lage der Rolle (13), diese an dem freien Hebelende eines an einer taktweise angetriebenen Steuerwelle (18) nachgiebig anliegenden Doppelhebels drehbar gelagert ist.Conveying device according to claim 4, characterized in that in order to change the position of the roller (13), it is rotatably mounted on the free lever end of a double lever which resiliently rests on a cyclically driven control shaft (18). Fördereinrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Steuerwelle (18) durch ein Vorgelege (22, 23) mit dem zweiten Band (3) antriebsverbunden ist.Conveying device according to claim 7, characterized in that the control shaft (18) is drive-connected to the second belt (3) by means of a countershaft (22, 23).
EP94810075A 1993-02-18 1994-02-10 Conveyor for transporting printed products fed regularly on a flat support formed by at least a first driven web Withdrawn EP0611714A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH49693 1993-02-18
CH496/93 1993-02-18

Publications (1)

Publication Number Publication Date
EP0611714A1 true EP0611714A1 (en) 1994-08-24

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EP94810075A Withdrawn EP0611714A1 (en) 1993-02-18 1994-02-10 Conveyor for transporting printed products fed regularly on a flat support formed by at least a first driven web

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EP (1) EP0611714A1 (en)
JP (1) JPH06298434A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5997460A (en) * 1998-01-29 1999-12-07 Young; Alan D. Inline delivery vehicle for a web offset printing press
DE19846032C2 (en) * 1998-10-06 2002-06-20 Windmoeller & Hoelscher Device for depositing flat objects which are conveyed one after the other onto a further conveyor in a shingled formation one above the other
US6817611B2 (en) * 2002-05-22 2004-11-16 Agfa Corporation Nip mechanism and method of operation thereof
JP2005029281A (en) * 2003-07-07 2005-02-03 Alps Electric Co Ltd Paper carrying mechanism
JP4750754B2 (en) * 2007-05-31 2011-08-17 株式会社リコー Sheet conveying apparatus and image forming apparatus
DE102008034179A1 (en) * 2008-07-22 2010-01-28 Siemens Aktiengesellschaft Transfer device for postal items
DE102009035859A1 (en) * 2009-07-31 2011-08-18 Hohner Maschinenbau GmbH, 78532 Funding for printed products

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE7110017U (en) * Roeder & Spengler Ohg
DE184440C (en) *
FR2315467A1 (en) * 1975-06-27 1977-01-21 Tech Realisations Et Large cardboard sheet stacking mechanism - has reciprocating suction trolley two tier intermediate belt conveyors and feed conveyor
DE3226627A1 (en) * 1981-07-30 1983-02-17 E.C.H. Will (Gmbh & Co), 2000 Hamburg Device for gripping and transporting sheets leaving a rotary transverse cutter
US5094443A (en) * 1990-12-28 1992-03-10 Pitney Bowes Inc. Sheet conveying apparatus

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DE714835C (en) * 1937-09-09 1941-12-08 Gutberlet & Co A Sheet storage for folding machines
US2391170A (en) * 1942-08-20 1945-12-18 Int Paper Box Machine Co Stacker accumulator
US3871644A (en) * 1973-05-23 1975-03-18 Stobb Inc Sheet stacker with jogger
US4385537A (en) * 1980-05-24 1983-05-31 E.C.H. Will (Gmbh & Co.) Apparatus for engaging and transporting discrete sheets of paper or the like
DE3844897C2 (en) * 1988-04-16 1997-07-17 Bielomatik Leuze & Co Stacking machine for paper, etc. sheets

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7110017U (en) * Roeder & Spengler Ohg
DE184440C (en) *
FR2315467A1 (en) * 1975-06-27 1977-01-21 Tech Realisations Et Large cardboard sheet stacking mechanism - has reciprocating suction trolley two tier intermediate belt conveyors and feed conveyor
DE3226627A1 (en) * 1981-07-30 1983-02-17 E.C.H. Will (Gmbh & Co), 2000 Hamburg Device for gripping and transporting sheets leaving a rotary transverse cutter
US5094443A (en) * 1990-12-28 1992-03-10 Pitney Bowes Inc. Sheet conveying apparatus

Also Published As

Publication number Publication date
US5496024A (en) 1996-03-05
JPH06298434A (en) 1994-10-25

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