EP1197449A1 - Device and method for transferring printed folded or unfolded paper sheets to a processing line - Google Patents

Device and method for transferring printed folded or unfolded paper sheets to a processing line Download PDF

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Publication number
EP1197449A1
EP1197449A1 EP00810921A EP00810921A EP1197449A1 EP 1197449 A1 EP1197449 A1 EP 1197449A1 EP 00810921 A EP00810921 A EP 00810921A EP 00810921 A EP00810921 A EP 00810921A EP 1197449 A1 EP1197449 A1 EP 1197449A1
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EP
European Patent Office
Prior art keywords
rotor
conveyor
conveying
gripping
circumference
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.)
Granted
Application number
EP00810921A
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German (de)
French (fr)
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EP1197449B1 (en
Inventor
Hans Müller
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
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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
Priority to EP00810921A priority Critical patent/EP1197449B1/en
Priority to DE50007305T priority patent/DE50007305D1/en
Priority to US09/964,406 priority patent/US6698749B2/en
Publication of EP1197449A1 publication Critical patent/EP1197449A1/en
Application granted granted Critical
Publication of EP1197449B1 publication Critical patent/EP1197449B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile

Definitions

  • the invention relates to a device for loading a Processing line with folded or unfolded printed sheets, consisting of a stacked sheet from a neighboring one Printing magazine pulling delivery rotor, which on approximately circular circumference to which the by at least one cyclically driven, on the front in the conveying direction Separating element which acts on the edge of a printed sheet printing sheets partially lifted off the stack can be moved, one provided for receiving the front edge of a printed sheet Has recess and with a lying on the partial circumference, conveyor belt driven in the same direction forms.
  • a device of this type is disclosed, for example, in CH-A-598 107.
  • This serves the purpose of being able to process the printed sheets emerging in increasing quantities more quickly.
  • this document provides for the pre-separation of the printed sheets a pair of suction cups working alternately on the front side of the stack, so that with each suction cup a printed sheet captured at the front edge can be moved to a conveyor rotor formed on the circumference with a plurality of recesses and by the latter a deflection roller located under the stack is deflected further in the tilting direction and is pulled out by entrainment between the conveyor rotor and the deflection roller, so that the subsequent suction pad can already grasp the subsequent printing sheet on the fold by tipping over. It is questionable whether an increase in performance can be achieved with this version if, on the other hand, the reliability is impaired.
  • the present invention has for its object a To create device of the type mentioned, with the achieved an increase in performance with a high degree of reliability can be.
  • the separating member has at least one suction head which is connected to a vacuum source and is attached to a control shaft of a control device which is pivotably mounted on the conveyor rotor and parallel to the axis of rotation of the latter.
  • the device 1 illustrates a device 1 for loading a processing line with folded or unfolded printed sheets 2, for example a feeder for a saddle stitcher, a gathering machine for the production of adhesive-bound books or an inserting machine for newspapers.
  • the device or the feeder 1 has a conveyor rotor 4 rotating in a frame 3 (see FIG. 3), which is formed by a rotor shaft 5 with conveyor disks 6 attached to it and forming a rotor.
  • Each conveyor disk 6 is provided on the circumference with two mutually opposite recesses 7 which, viewed over three conveyor disks 6, are arranged in alignment one behind the other and parallel to the rotor shaft 5.
  • each of the recesses 7 arranged in series is assigned a separating element 8, which has a plurality of suction arms 10 fastened to a separating shaft 9 mounted in the conveyor disks 6 parallel to the rotor shaft 5 and having suction heads acting on the front, folded or unfolded edge of a printed sheet 2 in the conveying direction 7 11 has.
  • the suction heads 11, which are connected to a vacuum source that cannot be seen, are supplied with a vacuum via a line 12, which is controlled, for example, via a rotary slide valve 13 (see FIG. 3).
  • the stacked in an adjacent magazine 14 sheets 2 are from the / with the conveyor rotor 4 rotating separating element (s) 8 on the conveyor rotor 4 facing, folded projecting edge on the underside or.
  • the front side of a printing sheet 2 of the stack is gripped in order to deflect the deflecting roller 15 serving as a support member when the printing sheets 2 are scaly, so that the front edge of the printing sheet 2 lifted from the separating member 8 dips into the trailing recess 7, without first being removed from the separating member 8 to be solved.
  • This running of the separating element 8 is shown in FIG. 1 by broken lines in the effective area of the separating element 8.
  • the separating element 8 detaches itself from the front edge of the printed sheet 2 as soon as it is detected by a feed gap 17 formed by the conveyor disks 6 of the conveyor rotor 4 and one or more conveyor belts 16 rotating on the deflection roller 15.
  • the conveyor belt 16 which runs around the deflection roller 15 and runs in the same direction along a range of approximately 120 ° on the circumference of the conveyor rotor 4, forms a conveyor gap which, by means of the deflection roller 15 supported on a spring 18, adapts to a shingled stream which changes in height leaves.
  • the / the conveyor belt 16 is guided around three deflection rollers 15, 19, 20, of which the roller 20 is mounted on a tensioning lever 21 for tensioning the conveyor belt 16.
  • the separating elements 8 rotating with the conveying rotor 4 are drive-connected to a control device 22.
  • control shaft 9 has a pinion 23 at one end, which meshes with a further gear 24 mounted on the conveyor rotor 4, on which a control track 25 engaging in a fixed (kidney-shaped) control path 25 connected to the frame 3 has one on the free end freely rotating roller 29 is mounted as a control element designed control lever 26.
  • 1 shows a separating member 8 with the suction head 11 docked on the lowermost printing sheet 2 and the corresponding position of the control device 22.
  • a retaining pawl 27 supporting the stacked printing sheets 2 in the front edge region is pivoted downward (dash-dotted position), so that it is on the separating member 8 sucked-in printed sheets 2 can be pivoted downward on the fold-side edge around the deflection roller 15.
  • FIG. 1 The further course of the separating member 8 and the recess 7 and their position is shown in dashed lines in FIG. 1. It can be seen that there is more space and time available for the separating element 8 to move a printing sheet 2 to the feed rotor 4 than is possible in CH-A-598 107.
  • the movement path of a suction head 11 is noted at 28 in FIG. 1.
  • the suction head (s) 11 are located within the circumference of the conveying rotor 4 from the moment the printing sheet 2 is taken over at the feed gap 17 to the point of delivery at the end of the conveying gap.
  • the direction of movement of a to be deducted. be diverted Sheet 2 changes with respect to the direction of rotation F of Conveyor rotor 4 from a counter-rotating in a same direction Direction of movement at feed slot 17.
  • the suction arms 10 designed to guide the vacuum open over a right angle into the control shaft 9, through a (circular) cavity connected to the vacuum line 12 44 (Fig. 1) is formed.
  • the connection to the suction heads 11 could also be radial to the pivot axis of the control shaft 9 -forming an acute angle of less than 30 ° his.
  • the shaft provided for actuating the retaining pawls 27 30 is parallel to the rotor shaft 5 and the control shaft 9 stored in frame 3. It has a lever at one end 31, which is supported by a roller 33 on the rotor shaft 5 seated, rotating cam 32 is pivoted.
  • the rotor shaft 5 is driven by a gear 34 on End of the rotor shaft 5.
  • FIGS. 2 and 3 An alternative embodiment is shown in FIGS. 2 and 3, wherein the execution drawn there in particular an additional, controlled gripping device 35 of the type in Fig. 1 differs.
  • the gripping device 35 is through one in the conveyor disks 6, parallel to the rotor shaft 5 running gripper shaft 36 formed, for example three gripper arms 37 are attached.
  • the open or Closing position of the gripping device 35 required Pivoting movements of the gripper shaft 36 are carried out by means of a the gripper lever 38 attached to the gripper shaft end from one the free end of which is stored and on a fixed control track 39 rotating control roller 40; the control track 39 is connected to the frame 3.
  • the recesses 7 on the circumference the conveyor rotor 4 respectively.
  • the conveyor discs 6 are with an enlarged access opening is pocket-shaped, so that the printed sheets 2 deflected on the suction heads 11 in immerse the counter-rotating recess 7 in a direct way can.
  • the wall 41 of the recess trailing in the direction of rotation F. 7 is a gripping pad with the gripping device closed 35 provided and the gripping arms 37 have a cranked for this purpose End section 42 on a movement of the gripper arms 37 guaranteed within the scope of the conveyor rotor 4.
  • the gripping pad could also be an anvil acting roller 43 mounted on the conveyor disks 6 be trained.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Discharge By Other Means (AREA)

Abstract

A conveying rotor (4) holds the front edge of printed product removed from the stack of signatures (2), in conveying direction. A conveying belt (16) driven in same direction as the rotor conveys the signatures to a processing line. A suction head (11) is attached to a pivotal control shaft arranged in parallel to rotational axis of rotor to lift the signature off the stack of signatures to the recess of the rotor.

Description

Die Erfindung betrifft eine Vorrichtung zur Beschickung einer Verarbeitungsstrecke mit gefalzten oder ungefalzten Druckbogen, bestehend aus einem gestapelte Druckbogen von einem benachbarten Druckbogenmagazin abziehenden Förderrotor, der am etwa kreisförmigen Umfang, an die der durch wenigstens ein taktverbunden angetriebenes, auf den in Förderrichtung vorderen Rand eines Druckbogens ansaugend einwirkendes Trennorgan vom Stapel teilweise abgehobene Druckbogen versetzbar ist, eine zur Aufnahme des vorderen Randes eines Druckbogens vorgesehene Ausnehmung aufweist und mit einem am Teilumfang anliegenden, gleichsinnig angetriebenen Transportband einen Förderspalt bildet.The invention relates to a device for loading a Processing line with folded or unfolded printed sheets, consisting of a stacked sheet from a neighboring one Printing magazine pulling delivery rotor, which on approximately circular circumference to which the by at least one cyclically driven, on the front in the conveying direction Separating element which acts on the edge of a printed sheet printing sheets partially lifted off the stack can be moved, one provided for receiving the front edge of a printed sheet Has recess and with a lying on the partial circumference, conveyor belt driven in the same direction forms.

Eine Vorrichtung dieser Art ist beispielsweise in der CH - A - 598 107 offenbart. Diese dient dem Zweck, die in zunehmenden Mengen aufkommenden Druckbogen schneller verarbeiten zu können. Hierzu sieht diese Druckschrift für das Vortrennen der Druckbogen ein an der Vorderseite des Stapels in gegenseitigem Wechsel arbeitendes Saugerpaar vor, so dass mit jeweils einem Sauger ein an dem vorderen Rand erfasster Druckbogen an einen am Umfang mit mehreren Ausnehmungen ausgebildeten Förderrotor versetzbar ist und von letzterem um eine unter dem Stapel sich befindende Umlenkrolle weiter in Abkipprichtung umgelenkt und durch Mitnahme zwischen dem Förderrotor und der Umlenkrolle herausgezogen wird, dass durch das Abkippen der nachfolgende Sauger schon den nachfolgenden Druckbogen am Falz erfassen kann.
Ob mit dieser Ausführung eine Leistungssteigerung erzielt werden kann, wenn andererseits die Zuverlässigkeit beeinträchtigt wird, ist fragwürdig.A device of this type is disclosed, for example, in CH-A-598 107. This serves the purpose of being able to process the printed sheets emerging in increasing quantities more quickly. For this purpose, this document provides for the pre-separation of the printed sheets a pair of suction cups working alternately on the front side of the stack, so that with each suction cup a printed sheet captured at the front edge can be moved to a conveyor rotor formed on the circumference with a plurality of recesses and by the latter a deflection roller located under the stack is deflected further in the tilting direction and is pulled out by entrainment between the conveyor rotor and the deflection roller, so that the subsequent suction pad can already grasp the subsequent printing sheet on the fold by tipping over.
It is questionable whether an increase in performance can be achieved with this version if, on the other hand, the reliability is impaired.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art zu schaffen, mit der eine Leistungssteigerung bei hohem Zuverlässigkeitsgrad erzielt werden kann.The present invention has for its object a To create device of the type mentioned, with the achieved an increase in performance with a high degree of reliability can be.

Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass das Trennorgan wenigstens einen mit einer Vakuumquelle verbundenen Saugkopf aufweist, der an einer parallel zur Drehachse des Förderrotors an diesem schwenkbar gelagerten Steuerwelle einer Steuervorrichtung befestigt ist.
Dadurch kann eine konstruktiv einfache Ausführungsform hergestellt werden.According to the invention, this object is achieved in that the separating member has at least one suction head which is connected to a vacuum source and is attached to a control shaft of a control device which is pivotably mounted on the conveyor rotor and parallel to the axis of rotation of the latter.
This enables a structurally simple embodiment to be produced.

Anschliessend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die bezüglich aller in der Beschreibung nicht näher erwähnten Einzelheiten ausdrücklich verwiesen wird, anhand zweier Ausführungsbeispiele erläutert. Die Zeichnung zeigt in:

Fig. 1
eine schematische Darstellung der erfindungsgemässen Vorrichtung,
Fig. 2
eine alternative Ausführung der erfindungsgemässen Vorrichtung und
Fig. 3
eine Seitenansicht der in Fig. 2 gezeigten Vorrichtung.
The invention is subsequently explained with reference to the drawing, to which express reference is made to all details not mentioned in the description, using two exemplary embodiments. The drawing shows in:
Fig. 1
2 shows a schematic representation of the device according to the invention,
Fig. 2
an alternative embodiment of the device according to the invention and
Fig. 3
a side view of the device shown in Fig. 2.

Die Fig. 1 veranschaulicht eine Vorrichtung 1 zur Beschickung einer Verarbeitungsstrecke mit gefalzten oder ungefalzten Druckbogen 2, beispielsweise ein Anleger für einen Sammelhefter, eine Zusammentragmaschine für die Herstellung von klebegebundenen Büchern oder eine Einsteckmaschine für Zeitungen. Die Vorrichtung bzw. der Anleger 1 weist ein in einem Gestell 3 (siehe Fig. 3) drehender Förderrotor 4 auf, der durch eine Rotorwelle 5 mit daran befestigten, einen Rotor bildenden Förderscheiben 6 ausgebildet ist. Jede Förderscheibe 6 ist am Umfang mit zwei sich gegenüberliegenden Ausnehmungen 7 versehen, die, über drei Förderscheiben 6 betrachtet, fluchtend hintereinander und parallel zur Rotorwelle 5 angeordnet sind. Weiterhin ist den in Reihe angeordneten Ausnehmungen 7 jeweils ein Trennorgan 8 zugeordnet, das mehrere an einer in den Förderscheiben 6 parallel zur Rotorwelle 5 gelagerten Trennwelle 9 befestigte Saugarme 10 mit auf den in Förderrichtung 7 vorderen -gefalzten oder ungefalzten- Rand eines Druckbogens 2 einwirkenden Saugköpfen 11 aufweist. Die mit einer nicht ersichtlichen Vakuumquelle verbundenen Saugköpfe 11 werden über eine Leitung 12 mit einem Vakuum versorgt, das beispielsweise über ein Drehschieberventil 13 (siehe Fig. 3) gesteuert ist. Die in einem benachbarten Magazin 14 gestapelten Druckbogen 2 werden von dem/den mit dem Förderrotor 4 umlaufenden Trennorgan/en 8 an dem dem Förderrotor 4 zugewandten, gefalzten vorstehenden Rand an der Unterseite resp. vorderen Seite eines Druckbogens 2 des Stapels erfasst, um sie bei einer geschuppten Entnahme der Druckbogen 2 als Stützorgan dienende Umlenkrolle 15 nach unten umzulenken, sodass der vordere Rand des vom Trennorgan 8 abgehobenen Druckbogens 2 in die nachlaufende Ausnehmung 7 eintaucht, ohne vorerst vom Trennorgan 8 gelöst zu werden. Dieses Mitlaufen des Trennorgans 8 ist in Fig. 1 durch unterbrochene Linien im Wirkbereich des Trennorgans 8 dargestellt. Das Trennorgan 8 löst sich vom vorderen Rand des Druckbogens 2, sobald dieser von einem durch die Förderscheiben 6 des Förderrotors 4 und ein oder mehrere an der Umlenkrolle 15 umlaufenden Transportbänder 16 gebildeten Einzugsspalt 17 förderwirksam erfasst wird.
Sollen die Druckbogen 2 beim Abziehen aus dem Magazin 14 vereinzelt werden, dann braucht die Umlenkrolle 15 nicht mehr als Stützorgan an der Unterseite des Stapels verwendet zu werden. Das/die um die Umlenkrolle 15 umlaufenden, in einem Bereich von etwa 120° an dem Umfang des Förderrotors 4 gleichsinnig entlang laufenden Transportbänder 16 bilden einen Förderspalt, der sich durch die auf einer Feder 18 abgestützten Umlenkrolle 15 an einen sich bezüglich Höhe ändernden Schuppenstrom anpassen lässt. Die/das Transportband 16 wird um drei Umlenkrollen 15, 19, 20 geführt, von denen die Rolle 20 an einem Spannhebel 21 zum Spannen des Transportbandes 16 gelagert ist. Das/die mit dem Förderrotor 4 umlaufenden Trennorgane 8 sind mit einer Steuervorrichtung 22 antriebsverbunden. Hierzu weist die Steuerwelle 9 an einem Ende ein Zahnritzel 23 auf, das mit einem weiteren, an dem Förderrotor 4 gelagerten Zahnrad 24 kämmt, an dem ein in eine ortsfeste, mit dem Gestell 3 verbundene (nierenförmige) Steuerbahn 25 eingreifender, am freien Ende eine frei drehende Rolle 29, als Tastorgan ausgebildeter Steuerhebel 26 gelagert ist. Fig. 1 zeigt ein Trennorgan 8 mit an dem untersten Druckbogen 2 angedocktem Saugkopf 11 und die entsprechende Stellung der Steuervorrichtung 22. Unmittelbar anschliessend wird eine die gestapelten Druckbogen 2 im vorderen Randbereich stützende Rückhalteklinke 27 nach unten geschwenkt (strichpunktierte Lage), damit der am Trennorgan 8 angesaugte Druckbogen 2 am falzseitigen Rand um die Umlenkrolle 15 nach unten geschwenkt werden kann. Sobald der vordere Rand in den Umfang des Förderrotors 4 bzw. die dem fälligen Druckbogen 2 zugeordnete Ausnehmung 7 eingetaucht ist, dreht die Rückhalteklinke 27 resp. -klinken wieder in ihre stützende Betriebsstellung zurück. Der weitere Verlauf des Trennorgans 8 und der Ausnehmung 7 und deren Stellung ist in Fig. 1 gestrichelt dargestellt. Erkennbar wird dabei, dass für das Trennorgan 8 mehr Raum und Zeit zum Versetzen eines Druckbogens 2 an den Förderrotor 4 zur Verfügung steht als wie es in der CH - A - 598 107 möglich ist. Die Bewegungsbahn eines Saugkopfes 11 ist in Fig. 1 mit 28 vermerkt. Der/die Saugköpfe 11 befinden sich vom Moment der Uebernahme des Druckbogens 2 am Einzugsspalt 17 bis zur Abgabe am Ende des Förderspaltes innerhalb des Umfangs des Förderrotos 4.1 illustrates a device 1 for loading a processing line with folded or unfolded printed sheets 2, for example a feeder for a saddle stitcher, a gathering machine for the production of adhesive-bound books or an inserting machine for newspapers. The device or the feeder 1 has a conveyor rotor 4 rotating in a frame 3 (see FIG. 3), which is formed by a rotor shaft 5 with conveyor disks 6 attached to it and forming a rotor. Each conveyor disk 6 is provided on the circumference with two mutually opposite recesses 7 which, viewed over three conveyor disks 6, are arranged in alignment one behind the other and parallel to the rotor shaft 5. Furthermore, each of the recesses 7 arranged in series is assigned a separating element 8, which has a plurality of suction arms 10 fastened to a separating shaft 9 mounted in the conveyor disks 6 parallel to the rotor shaft 5 and having suction heads acting on the front, folded or unfolded edge of a printed sheet 2 in the conveying direction 7 11 has. The suction heads 11, which are connected to a vacuum source that cannot be seen, are supplied with a vacuum via a line 12, which is controlled, for example, via a rotary slide valve 13 (see FIG. 3). The stacked in an adjacent magazine 14 sheets 2 are from the / with the conveyor rotor 4 rotating separating element (s) 8 on the conveyor rotor 4 facing, folded projecting edge on the underside or. The front side of a printing sheet 2 of the stack is gripped in order to deflect the deflecting roller 15 serving as a support member when the printing sheets 2 are scaly, so that the front edge of the printing sheet 2 lifted from the separating member 8 dips into the trailing recess 7, without first being removed from the separating member 8 to be solved. This running of the separating element 8 is shown in FIG. 1 by broken lines in the effective area of the separating element 8. The separating element 8 detaches itself from the front edge of the printed sheet 2 as soon as it is detected by a feed gap 17 formed by the conveyor disks 6 of the conveyor rotor 4 and one or more conveyor belts 16 rotating on the deflection roller 15.
If the printed sheets 2 are to be separated when they are pulled out of the magazine 14, then the deflection roller 15 no longer needs to be used as a support element on the underside of the stack. The conveyor belt 16, which runs around the deflection roller 15 and runs in the same direction along a range of approximately 120 ° on the circumference of the conveyor rotor 4, forms a conveyor gap which, by means of the deflection roller 15 supported on a spring 18, adapts to a shingled stream which changes in height leaves. The / the conveyor belt 16 is guided around three deflection rollers 15, 19, 20, of which the roller 20 is mounted on a tensioning lever 21 for tensioning the conveyor belt 16. The separating elements 8 rotating with the conveying rotor 4 are drive-connected to a control device 22. For this purpose, the control shaft 9 has a pinion 23 at one end, which meshes with a further gear 24 mounted on the conveyor rotor 4, on which a control track 25 engaging in a fixed (kidney-shaped) control path 25 connected to the frame 3 has one on the free end freely rotating roller 29 is mounted as a control element designed control lever 26. 1 shows a separating member 8 with the suction head 11 docked on the lowermost printing sheet 2 and the corresponding position of the control device 22. Immediately afterwards, a retaining pawl 27 supporting the stacked printing sheets 2 in the front edge region is pivoted downward (dash-dotted position), so that it is on the separating member 8 sucked-in printed sheets 2 can be pivoted downward on the fold-side edge around the deflection roller 15. As soon as the front edge is immersed in the circumference of the conveyor rotor 4 or the recess 7 assigned to the due printing sheet 2, the retaining pawl 27 resp. -Return to their supporting operating position. The further course of the separating member 8 and the recess 7 and their position is shown in dashed lines in FIG. 1. It can be seen that there is more space and time available for the separating element 8 to move a printing sheet 2 to the feed rotor 4 than is possible in CH-A-598 107. The movement path of a suction head 11 is noted at 28 in FIG. 1. The suction head (s) 11 are located within the circumference of the conveying rotor 4 from the moment the printing sheet 2 is taken over at the feed gap 17 to the point of delivery at the end of the conveying gap.

Die Bewegungsrichtung eines abzuziehenden resp. umzulenkenden Druckbogens 2 ändert sich gegenüber der Drehrichtung F des Förderrotors 4 von einer gegenläufigen in eine gleichsinnige Bewegungsrichtung am Einszugsspalt 17. The direction of movement of a to be deducted. be diverted Sheet 2 changes with respect to the direction of rotation F of Conveyor rotor 4 from a counter-rotating in a same direction Direction of movement at feed slot 17.

Die zur Führung des Vakuums ausgebildeten Saugarme 10 münden über einen rechten Winkel in die Steuerwelle 9, die durch einen mit der Vakuumleitung 12 verbundenen (kreisförmigen) Hohlraum 44 (Fig. 1) ausgebildet ist. Die Verbindung an die Saugköpfe 11 könnte auch radial zur Schwenkachse der Steuerwelle 9 -einen spitzen Winkel von weniger als 30° bildend- ausgeführt sein.The suction arms 10 designed to guide the vacuum open over a right angle into the control shaft 9, through a (circular) cavity connected to the vacuum line 12 44 (Fig. 1) is formed. The connection to the suction heads 11 could also be radial to the pivot axis of the control shaft 9 -forming an acute angle of less than 30 ° his.

Die zur Betätigung der Rückhalteklinken 27 vorgesehene Welle 30 ist parallel zu der Rotorwelle 5 und der Steuerwelle 9 verlaufend im Gestell 3 gelagert. Sie weist einenends einen Hebel 31 auf, der über eine Rolle 33 von einer an der Rotorwelle 5 sitzenden, umlaufenden Kurvenscheibe 32 verschwenkt wird. Der Antrieb der Rotorwelle 5 erfolgt übrigens durch Zahnrad 34 am Ende der Rotorwelle 5.The shaft provided for actuating the retaining pawls 27 30 is parallel to the rotor shaft 5 and the control shaft 9 stored in frame 3. It has a lever at one end 31, which is supported by a roller 33 on the rotor shaft 5 seated, rotating cam 32 is pivoted. The Incidentally, the rotor shaft 5 is driven by a gear 34 on End of the rotor shaft 5.

Eine alternative Ausführungsform zeigen die Fig. 2 und 3, wobei sich die dort gezeichnete Ausführung insbesondere durch eine zusätzliche, gesteuerte Greifvorrichtung 35 von der Ausführung in Fig. 1 unterscheidet. Die Greifvorrichtung 35 ist durch eine in den Förderscheiben 6, parallel zur Rotorwelle 5 verlaufende Greiferwelle 36 ausgebildet, an welcher beispielsweise drei Greifarme 37 befestigt sind. Die zur Offen- oder Schliessstellung der Greifvorrichtung 35 erforderlichen Schwenkbewegungen der Greiferwelle 36 werden mittels einem an dem Greiferwellenende befestigten Greiferhebel 38 von einer an dessen freiem Ende gelagerten und auf einer ortsfesten Steuerbahn 39 umlaufenden Steuerrolle 40 ausgeführt; die Steuerbahn 39 ist mit dem Gestell 3 verbunden. Die Ausnehmungen 7 am Umfang des Förderrotors 4 resp. der Förderscheiben 6 sind mit einer erweiterten Zutrittsöffnung taschenförmig ausgebildet, so dass die an den Saugköpfen 11 umgelenkten Druckbogen 2 in die entgegendrehende Ausnehmung 7 auf direktem Weg eintauchen können. Die in Drehrichtung F nachlaufende Wand 41 der Ausnehmung 7 ist als Greifauflage bei geschlossener Greifvorrichtung 35 vorgesehen und die Greifarme 37 weisen hierzu einen abgekröpften Endabschnitt 42 auf, der eine Bewegung der Greifarme 37 innerhalb des Umfangs des Förderrotors 4 gewährleistet. Die Greifauflage könnte beispielsweise auch durch eine ambosartig wirkende, an den Förderscheiben 6 gelagerte Walze 43 ausgebildet sein.An alternative embodiment is shown in FIGS. 2 and 3, wherein the execution drawn there in particular an additional, controlled gripping device 35 of the type in Fig. 1 differs. The gripping device 35 is through one in the conveyor disks 6, parallel to the rotor shaft 5 running gripper shaft 36 formed, for example three gripper arms 37 are attached. The open or Closing position of the gripping device 35 required Pivoting movements of the gripper shaft 36 are carried out by means of a the gripper lever 38 attached to the gripper shaft end from one the free end of which is stored and on a fixed control track 39 rotating control roller 40; the control track 39 is connected to the frame 3. The recesses 7 on the circumference the conveyor rotor 4 respectively. the conveyor discs 6 are with an enlarged access opening is pocket-shaped, so that the printed sheets 2 deflected on the suction heads 11 in immerse the counter-rotating recess 7 in a direct way can. The wall 41 of the recess trailing in the direction of rotation F. 7 is a gripping pad with the gripping device closed 35 provided and the gripping arms 37 have a cranked for this purpose End section 42 on a movement of the gripper arms 37 guaranteed within the scope of the conveyor rotor 4. For example, the gripping pad could also be an anvil acting roller 43 mounted on the conveyor disks 6 be trained.

Claims (17)

Vorrichtung (1) zur Beschickung einer Verarbeitungsstrecke mit gefalzten oder ungefalzten Druckbogen (2), bestehend aus einem gestapelte Druckbogen (2) von einem benachbbarten Druckbogenmagazin (14) abziehenden Förderrotor (4), der am etwa kreisförmigen Umfang, an die der durch wenigstens ein taktverbunden angetriebenes, auf den in Förderrichtung (F) vorderen Rand eines Druckbogens (2) ansaugend einwirkendes Trennorgan (8) vom Stapel teilweise abgehobene Druckbogen (2) versetzbar ist, eine zur Aufnahme des vorderen Randes eines Druckbogens (2) vorgesehene Ausnehmung (7) aufweist und mit einem am Teilumfang anliegenden, gleichsinnig angetriebenen Transportband (16) einen Förderspalt bildet, dadurch gekennzeichnet, dass das Trennorgan (8) wenigstens einen mit einer Vakuumquelle verbundenen Saugkopf (11) aufweist, der an einer parallel zur Drehachse des Förderrotors (4) an diesem schwenkbar gelagerten Steuerwelle (9) einer Steuervorrichtung (22) befestigt ist.Device (1) for loading a processing line with folded or unfolded printed sheets (2), consisting of a stacked printed sheet (2) from a neighboring printing sheet magazine (14) pulling the delivery rotor (4), which has an approximately circular circumference to which the by at least one A separating element (8), which is partially lifted off the stack and can be moved to the front edge of a printed sheet (2) and which is sucked in the conveying direction (F), is displaceable, a recess (7) provided for receiving the front edge of a printed sheet (2). and forms a conveying gap with a conveying belt (16) which is driven in the same direction on the partial circumference, characterized in that the separating member (8) has at least one suction head (11) which is connected to a vacuum source and which is connected to a parallel to the axis of rotation of the conveying rotor (4). on this pivotably mounted control shaft (9) of a control device (22) is attached. Vorrichtung nach Anspruch 1, dadurch gekennzeichnt, dass die Steuerwelle (9) mit einem an einer ortsfest angeordneten Steuerbahn (25) umlaufenden Tastorgan (26, 29) verbunden ist.Device according to claim 1, characterized in that that the control shaft (9) with one a fixedly arranged control track (25) peripheral probe (26, 29) is connected. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Tastorgan (26, 29) hebelartig ausgebildet ist und am freien Ende eine Tastrolle (26) aufweist.Apparatus according to claim 2, characterized in that the sensing element (26, 29) is designed like a lever and has a sensing roller (26) at the free end. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Förderrotor (4) wenigstens zwei Trennorgane (8) aufweist.Device according to one of claims 1 to 3, characterized in that the conveyor rotor (4) has at least two separating members (8). Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Förderrotor (4) im Erfassungsbereich der Druckbogen (2) vom Stapel eine bezüglich Umlenkung der abzuziehenden Druckbogen (2) sich von entgegengesetzter in eine gleichsinnige Bewegung ändernde Drehrichtung (F) aufweist.Device according to one of claims 1 to 4, characterized in that the conveying rotor (4) in the detection area of the printed sheets (2) from the stack has a direction of rotation (F) which changes from the opposite to the same direction with respect to deflection of the printed sheets (2) to be removed. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Trennorgan (8) in der Ausserbetriebsstellung innerhalb der Umlaufbahn des Förderrotors (4) versetzbar gesteuert ist.Device according to one of claims 1 to 5, characterized in that the separating member (8) is displaceably controlled in the inoperative position within the orbit of the conveyor rotor (4). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der etwa senkrecht zur Stapelunterseite gerichtete Saugkopf (11) beim Ansaugen mit einer durch die Drehachse des Förderrotors (4) und die Steuerwelle (9) verlaufende Ebene einen spitzen Winkel unter 30° bildet.Device according to one of claims 1 to 6, characterized in that the suction head (11), which is oriented approximately perpendicularly to the underside of the stack, forms an acute angle below 30 ° during suction with a plane running through the axis of rotation of the conveyor rotor (4) and the control shaft (9) , Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das mit dem Umfang des Förderrotors (4) einen Einzugsspalt bildende Transportband (16) im Einzugsbereich nachgiebig angeordnet ist. Device according to one of claims 1 to 7, characterized in that the conveyor belt (16) forming a feed gap with the circumference of the conveyor rotor (4) is arranged flexibly in the feed area. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass sich der Förderspalt am Umfang des Förderrotors (4) über etwa 120° erstreckt.Device according to one of claims 1 to 8, characterized in that the conveyor gap on the circumference of the conveyor rotor (4) extends over approximately 120 °. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der am Umfang des Förderrotors (4) angeordneten Ausnehmung (7) eine entgegen der Drehrichtung (F) des Förderrotors (4) zum Klemmen des zugeführten vorderen Randes des Druckbogens (2) betätigbare Greifvorrichtung (35) zugeordnet ist.Device according to one of claims 1 to 9, characterized in that the recess (7) arranged on the circumference of the conveyor rotor (4) can be actuated counter to the direction of rotation (F) of the conveyor rotor (4) for clamping the supplied front edge of the printing sheet (2) Gripping device (35) is assigned. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Greifvorrichtung (35) durch eine parallel zur Drehachse des Förderrotors (4) beidseits an diesem schwenkbar gelagerte Greiferwelle (36) mit daran befestigten Greifarmen (37) gebildet ist, die durch ein mit der Greiferwelle (36) verbundene, an einer stationären Steuerkurve (39) umlaufenden Tastvorrichtung (38, 40) in eine Offen- und Schliessstellung steuerbar sind. Apparatus according to claim 10, characterized in that the gripping device (35) is formed by a gripper shaft (36) pivotably mounted on both sides of the conveyor rotor (4) parallel to the axis of rotation of the conveyor rotor with gripping arms (37) attached thereto, which is formed by a gripper shaft (37) connected to the gripper shaft ( 36) connected, on a stationary control cam (39) rotating probe device (38, 40) can be controlled in an open and closed position. Vorrichtung nach einem der Ansprüche 10 bis 11, dadurch gekennzeichnet, dass die Ausnehmungen (7) taschenförmig ausgebildet sind und eine erweiterte Zutrittsöffnung für die Druckbogen (2) aufweisen.Device according to one of claims 10 to 11, characterized in that the recesses (7) are pocket-shaped and have an enlarged access opening for the printed sheets (2). Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die in Drehrichtung (F) nachlaufende Wand (41) der Ausnehmung (7) als Greifauflage der Greifvorrichtung (35) ausgebildet ist.Device according to claim 12, characterized in that the wall (41) of the recess (7) trailing in the direction of rotation (F) is designed as a gripping support of the gripping device (35). Vorrichtung nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass die einen Druckbogen (2) an der Greifauflage festklemmenden Greifarme (37) einen in Richtung ihrer Schliessbewegung abgekröpften Endabschnitt (42) aufweisen.Device according to one of claims 11 to 13, characterized in that the gripping arms (37) clamping a printed sheet (2) to the gripping support have an end section (42) which is bent in the direction of their closing movement. Vorrichtung nach Anspruch 14, dadurch gekennzeichnet, dass die Greifauflage als Walze (43) ausgebildet ist. Device according to claim 14, characterized in that the gripping support is designed as a roller (43). Vorrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass eine mit dem Förderrotor (4) den Einzugsspalt bildende Umlenkrolle (15) des Transportbandes (16) zur Umlenkung der von dem Trennorgan (8) an dem in Förderrichtung vorderen Rand erfassten Druckbogen (2) vorgesehen ist.Device according to one of claims 1 to 15, characterized in that a deflecting roller (15) of the conveyor belt (16) forming the feed gap with the conveying rotor (4) for deflecting the printed sheets (8) captured by the separating element (8) on the front edge in the conveying direction ( 2) is provided. Vorrichtung nach einem der Ansprüche 10 bis 16, dadurch gekennzeichnet, dass der Wirkbereich der Greifvorrichtung (35) innerhalb des Umfanges des Förderrotors (4) vorgesehen ist.Device according to one of claims 10 to 16, characterized in that the effective range of the gripping device (35) is provided within the circumference of the conveyor rotor (4).
EP00810921A 2000-10-05 2000-10-05 Device and method for transferring printed folded or unfolded paper sheets to a processing line Expired - Lifetime EP1197449B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00810921A EP1197449B1 (en) 2000-10-05 2000-10-05 Device and method for transferring printed folded or unfolded paper sheets to a processing line
DE50007305T DE50007305D1 (en) 2000-10-05 2000-10-05 Device for loading a processing line with folded or unfolded printed sheets
US09/964,406 US6698749B2 (en) 2000-10-05 2001-09-28 Device for feeding folded or unfolded signatures to a production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00810921A EP1197449B1 (en) 2000-10-05 2000-10-05 Device and method for transferring printed folded or unfolded paper sheets to a processing line

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EP1197449B1 EP1197449B1 (en) 2004-08-04

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US20020041067A1 (en) 2002-04-11
DE50007305D1 (en) 2004-09-09
EP1197449B1 (en) 2004-08-04
US6698749B2 (en) 2004-03-02

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