EP2149522A2 - Method for automatic stack change in a sheet feeder of a sheet printing device - Google Patents

Method for automatic stack change in a sheet feeder of a sheet printing device Download PDF

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Publication number
EP2149522A2
EP2149522A2 EP09161750A EP09161750A EP2149522A2 EP 2149522 A2 EP2149522 A2 EP 2149522A2 EP 09161750 A EP09161750 A EP 09161750A EP 09161750 A EP09161750 A EP 09161750A EP 2149522 A2 EP2149522 A2 EP 2149522A2
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EP
European Patent Office
Prior art keywords
sheet
support rods
pallet
stack
lifting speed
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
EP09161750A
Other languages
German (de)
French (fr)
Other versions
EP2149522B1 (en
EP2149522A3 (en
Inventor
Mirko Link
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication date
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Publication of EP2149522A2 publication Critical patent/EP2149522A2/en
Publication of EP2149522A3 publication Critical patent/EP2149522A3/en
Application granted granted Critical
Publication of EP2149522B1 publication Critical patent/EP2149522B1/en
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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
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/26—Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile
    • B65H1/263—Auxiliary supports for keeping the pile in the separation process during introduction of a new pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • 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
    • B65H2511/20—Location in space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a method for automatically changing piles on a sheet feeder on a sheet-fed press, wherein the remaining sheet stack is stored on a pallet on a stacking plate, the top sheet of the remaining sheet stack is separated by a sheet separating and fed to the sheet-fed press in a sheet conveying direction, the Restbogenstapel continuously tracked in a lifting speed on a Bogenstapelweg in the direction of sheet separation device and the stack change is completed by a non-stop device.
  • the non-stop device is movable parallel to the sheet stacking path and has a retractable in the Bogenstapelweg, provided with a plurality of support rods stack rake and an auxiliary stack frame.
  • the stack change is completed by the support rods of the Stapelrechens be retracted above the auxiliary stack frame into the pallet upon reaching a definable stack height of the stack of remnants.
  • the support rods lay down on the auxiliary stack frame and take over the carrying function for the remaining stack.
  • the support bars of Stapelrechens due to their predetermined position and geometry can take over the remainder of the stack only in a certain height and side position.
  • the rakes can only take over the remaining stack from a stack pallet adapted to the rake in terms of geometry, since the rake must be inserted into receiving grooves of the pallet when entering between the bottom edge of the stack and the pallet. Therefore, devices have been developed by the exact retraction of the support rods can be guaranteed in the grooves.
  • the receiving groove sensors are assigned, through which the cross-section, the height and the lateral position of the receiving groove can be detected.
  • a disadvantage of this solution is that the support rods in the receiving groove can indeed be performed without collision, but meet the tips of the support rods after exiting the grooves on the rear part of the auxiliary stack frame and collide with these. Complex mechanical solutions are required to lift the tips of the support rods over this rear cross member of the auxiliary stack frame.
  • the invention is therefore based on the object to develop a method for guiding the Stapelrechens when retracting into the grooves of the stack pallet, by the Avoiding a collision with the rear cross member of the auxiliary stack frame and a device for guiding the Stapelrechens in this area is unnecessary.
  • a remainder sheet pile 1 is stored on a pallet 6.
  • the pallet 6 is on the stacking plate 5 and is movable by a stacking elevator, not shown, by means of traction means 51 in the vertical direction.
  • the upper side of the remaining sheet stack 1 is associated with a sheet separating device 2, which supplies the respective upper sheet of the remaining sheet pile 1 in the sheet conveying direction 3 of the sheet-fed printing machine.
  • a non-stop device 4 is arranged below a not shown here.
  • the non-stop device 4 can be moved up and down on guide rails 44 parallel to the path of the remaining sheet stack 1.
  • the range of movement of the remaining sheet pile 1 is hereinafter referred to as Bogenstapelweg 11 and is in the FIG. 1 shown as an arrow.
  • a stacking rack 42 consisting of supporting bars 421 and an auxiliary stacking frame 41 are shown.
  • the stacking rake 42 consists of a plurality of support bars 421 arranged in parallel, which correspond to receiving grooves 61 formed in the pallet 6, exists (see also FIG. 3 ). From the FIG. 2 as well as from the FIG. 3 It can also be seen that the support rods 421 are mounted in a likewise movable with the non-stop device 4 bearing 43.
  • the auxiliary stacking frame consists of a front cross member 411 and a rear cross member 412, which are connected via unspecified carrier.
  • the sheets provided as sheet stacks for the current print job are fed to their processing by the respective sheet lying on top being separated by the sheet separating device 2 and being transferred to the sheet-fed printing press via a belt table (not shown here).
  • the stacking plate 5 is continuously guided in a processing-related lifting speed on a Bogenstapelweg 11 in the direction of the sheet separating device 2 upwards, so that the level of the upper edge of the sheet stack is always at almost the same level on contact with the sheet separating device 2.
  • the stack height of the sheet stack is continuously reduced, so that at a technologically definable height of the remaining sheet stack 1 of the stack change is completed by the non-stop device 4.
  • the support rods 421 of the non-stop device 4 are driven above the auxiliary stack frame 41 into the receiving grooves 61 of the pallet 6 (see FIG. 2 ) and toward the rear crosshead 412.
  • the stroke speed of the movement of the support rods 421 in the direction of the sheet separating device 2 with respect to the lifting speed of the stacking plate 5 is reduced by a definable amount.
  • the support rods 421 come into contact with the pallet 6 and lie down on the bottom of the receiving groove 61 in a support area 62.
  • the support area 62 is geometrically related in the area of the front edge of the pallet 6 with respect.
  • the support rods 421 pivot about the bearing 43.
  • the required relative speed is generated so that the amount of lifting speed of the support rods 421 is below the processing-specific Lifting speed of the stacking plate 5 is set.
  • the amount of the lifting speed of the support rods 421 can also be set to zero or assume a negative amount.
  • the lifting speed of the supporting rods 421 is selected so that they are deposited on the auxiliary stacking frame 41, take over the carrying function for the remaining sheet pile 1 and this lead in the processing-specific lifting speed on the Bogenstapelweg 11.
  • the stacking plate 5 can be lowered with the empty pallet 6 in a takeover position, not shown here. This is located near the ground level.
  • the empty pallet 6 is removed and replaced with a new pallet with a new stack of sheets.
  • the new sheet stack is brought to the remaining sheet pile 1 and combined with this.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)

Abstract

The method involves mounting balance sheet pile (1) on a stacking plate by using a pallet (6) and isolating top sheet of the balance sheet pile by a sheet separation device. The pile is changed by a non-stop device, where bearing bars (421) adjust the processing lifting speed of the balance sheet pile.

Description

Die Erfindung betrifft ein Verfahren zum automatischen Stapelwechsel an einem Bogenanleger an einer Bogendruckmaschine, wobei der zu verarbeitende Restbogenstapel über eine Palette auf einer Stapelplatte gelagert ist, der jeweils oberste Bogen des Restbogenstapels durch eine Bogenvereinzelungseinrichtung vereinzelt und der Bogendruckmaschine in einer Bogenförderrichtung zugeführt wird, dabei der Restbogenstapel kontinuierlich in einer Hubgeschwindigkeit auf einem Bogenstapelweg in Richtung der Bogenvereinzelungseinrichtung nachgeführt und der Stapelwechsel durch eine Non-Stop-Einrichtung vollzogen wird. Die Non-Stop-Einrichtung ist parallel zum Bogenstapelweg verfahrbar und weist einen in den Bogenstapelweg einfahrbaren, mit mehreren Tragstäben versehenen Stapelrechen und einen Hilfsstapelrahmen auf. Der Stapelwechsel wird vollzogen, indem beim Erreichen einer festlegbaren Stapelhöhe des Restbogenstapels die Tragstäbe des Stapelrechens oberhalb des Hilfsstapelrahmens in die Palette eingefahren werden. Die Tragstäbe legen sich auf dem Hilfsstapelrahmen ab und übernehmen die Tragefunktion für den Reststapel.The invention relates to a method for automatically changing piles on a sheet feeder on a sheet-fed press, wherein the remaining sheet stack is stored on a pallet on a stacking plate, the top sheet of the remaining sheet stack is separated by a sheet separating and fed to the sheet-fed press in a sheet conveying direction, the Restbogenstapel continuously tracked in a lifting speed on a Bogenstapelweg in the direction of sheet separation device and the stack change is completed by a non-stop device. The non-stop device is movable parallel to the sheet stacking path and has a retractable in the Bogenstapelweg, provided with a plurality of support rods stack rake and an auxiliary stack frame. The stack change is completed by the support rods of the Stapelrechens be retracted above the auxiliary stack frame into the pallet upon reaching a definable stack height of the stack of remnants. The support rods lay down on the auxiliary stack frame and take over the carrying function for the remaining stack.

Bei den bekannten Einrichtungen zum Non-Stop-Stapelwechsel können die Tragstäbe des Stapelrechens auf Grund ihrer vorgegebenen Lage und Geometrie den Reststapel nur in einer bestimmten Höhen- und Seitenlage übernehmen. Des Weiteren können die Rechen den Reststapel nur von einer hinsichtlich der Geometrie dem Rechen angepassten Stapelpalette übernehmen, da der Rechen beim Einfahren zwischen der Stapelunterkante und der Palette in Aufnahmenuten der Palette eingebracht werden muss. Daher sind Einrichtungen entwickelt worden, durch die das exakte Einfahren der Tragstäbe in die Aufnahmenuten garantiert werden kann.In the known devices for non-stop stack change the support bars of Stapelrechens due to their predetermined position and geometry can take over the remainder of the stack only in a certain height and side position. Furthermore, the rakes can only take over the remaining stack from a stack pallet adapted to the rake in terms of geometry, since the rake must be inserted into receiving grooves of the pallet when entering between the bottom edge of the stack and the pallet. Therefore, devices have been developed by the exact retraction of the support rods can be guaranteed in the grooves.

Aus der DE 199 53 023 A1 ist eine derartige Einrichtung bekannt. Hier sind der Aufnahmenut Sensoren zugeordnet, durch die der Querschnitt, die Höhen- und die Seitenlage der Aufnahmenut erfassbar ist.From the DE 199 53 023 A1 Such a device is known. Here, the receiving groove sensors are assigned, through which the cross-section, the height and the lateral position of the receiving groove can be detected.

Nachteilig an dieser Lösung ist, dass die Tragstäbe in der Aufnahmenut zwar kollisionsfrei geführt werden können, aber die Spitzen der Tragstäbe nach dem Austritt aus den Aufnahmenuten auf den hinteren Teil des Hilfsstapelrahmens treffen und dort mit diesen kollidieren. Es sind aufwendige mechanische Lösungen erforderlich, um die Spitzen der Tragstäbe über diese hintere Traverse des Hilfsstapelrahmens zu heben.A disadvantage of this solution is that the support rods in the receiving groove can indeed be performed without collision, but meet the tips of the support rods after exiting the grooves on the rear part of the auxiliary stack frame and collide with these. Complex mechanical solutions are required to lift the tips of the support rods over this rear cross member of the auxiliary stack frame.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren für die Führung des Stapelrechens beim Einfahren in die Nuten der Stapelpalette zu entwickeln, durch das eine Kollision mit der hinteren Traverse des Hilfsstapelrahmens vermieden und eine Vorrichtung zum Führen des Stapelrechens in diesem Bereich überflüssig wird.The invention is therefore based on the object to develop a method for guiding the Stapelrechens when retracting into the grooves of the stack pallet, by the Avoiding a collision with the rear cross member of the auxiliary stack frame and a device for guiding the Stapelrechens in this area is unnecessary.

Erfindungsgemäß wird die Aufgabe durch die Merkmale des 1. Anspruchs gelöst.According to the invention the object is achieved by the features of the first claim.

Nachfolgend wird die erfindungsgemäße Lösung an Hand eines Ausführungsbeispiels näher erläutert. Die Zeichnungen haben folgende Bedeutung:

Figur 1:
Detailzeichnung eines Bogenanlegers mit einer Non-Stop-Einrichtung mit teilweise eingefahrenen Stapelrechen
Figur 2:
Draufsicht auf den Restbogenstapel, wobei der Stapelrechen in seiner Lage vor dem Einfahren in die Aufnahmenuten der Palette dargestellt ist
Figur 3:
Seitenansicht des Restbogenstapels und des eingefahrenen Rechens beim Passieren der hinteren Traverse des Hilfsstapelrahmens
The solution according to the invention will be explained in more detail below with reference to an exemplary embodiment. The drawings have the following meaning:
FIG. 1:
Detail drawing of a sheet feeder with a non-stop device with partially retracted stacking rakes
FIG. 2:
Top view of the remaining sheet pile, wherein the stacking rake is shown in its position prior to retraction into the receiving grooves of the pallet
FIG. 3:
Side view of the remaining sheet pile and the retracted rake when passing the rear cross member of the auxiliary pile frame

Wie aus der Fig. 1 ersichtlich, ist auf einer Palette 6 ein Restbogenstapel 1 abgelegt. Die Palette 6 steht auf Stapelplatte 5 und ist durch einen nicht dargestellten Stapelaufzug mittels Zugmittel 51 in vertikaler Richtung bewegbar.Like from the Fig. 1 can be seen, a remainder sheet pile 1 is stored on a pallet 6. The pallet 6 is on the stacking plate 5 and is movable by a stacking elevator, not shown, by means of traction means 51 in the vertical direction.

Der Oberseite des Restbogenstapels 1 ist eine Bogenvereinzelungseinrichtung 2 zugeordnet, die den jeweils oberen Bogen des Restbogenstapel 1 vereinzelt in Bogenförderrichtung 3 der Bogendruckmaschine zuführt.The upper side of the remaining sheet stack 1 is associated with a sheet separating device 2, which supplies the respective upper sheet of the remaining sheet pile 1 in the sheet conveying direction 3 of the sheet-fed printing machine.

Unterhalb eines hier nicht dargestellten, dem Bogenanleger in Bogenförderrichtung 3 nachgeordnet Bändertischs zum Fördern der Bogen zur Bogendruckmaschine ist eine Non-Stop-Einrichtung 4 angeordnet. Die Non-Stop-Einrichtung 4 kann an Führungsschienen 44 parallel zum Weg des Restbogenstapel 1 auf- und ab bewegt werden. Der Bewegungsbereich des Restbogenstapels 1 wird nachfolgend als Bogenstapelweg 11 bezeichnet und ist in der Figur 1 als Pfeil dargestellt. Von der Non-Stop-Einrichtung 4 sind ein aus Tragstäben 421 bestehender Stapelrechen 42 und ein Hilfsstapelrahmen 41 gezeigt.Below a not shown here, the sheet feeder in the sheet conveying direction 3 downstream belt table for conveying the sheet to the sheet printing machine, a non-stop device 4 is arranged. The non-stop device 4 can be moved up and down on guide rails 44 parallel to the path of the remaining sheet stack 1. The range of movement of the remaining sheet pile 1 is hereinafter referred to as Bogenstapelweg 11 and is in the FIG. 1 shown as an arrow. Of the non-stop device 4, a stacking rack 42 consisting of supporting bars 421 and an auxiliary stacking frame 41 are shown.

In der Figur 2 sind der Stapelrechen 42 und der Hilfsstapelrahmen 41 deutlicher dargestellt.In the FIG. 2 the stacker 42 and the auxiliary stacker frame 41 are shown more clearly.

Es ist ersichtlich, dass der Stapelrechen 42 aus mehreren, parallel angeordneten Tragstäben 421, die mit in der Palette 6 eingebrachten Aufnahmenuten 61 korrespondieren, besteht (siehe auch Figur 3). Aus der Figur 2 sowie aus der Figur 3 ist auch erkennbar, dass die Tragstäbe 421 in einen ebenfalls mit der Non-Stop-Einrichtung 4 verfahrbaren Lager 43 gelagert sind.It can be seen that the stacking rake 42 consists of a plurality of support bars 421 arranged in parallel, which correspond to receiving grooves 61 formed in the pallet 6, exists (see also FIG. 3 ). From the FIG. 2 as well as from the FIG. 3 It can also be seen that the support rods 421 are mounted in a likewise movable with the non-stop device 4 bearing 43.

Der Hilfsstapelrahmen besteht aus einer vorderen Traverse 411 und einer hinteren Traverse 412, wobei diese über nicht näher bezeichnete Träger verbunden sind.The auxiliary stacking frame consists of a front cross member 411 and a rear cross member 412, which are connected via unspecified carrier.

Das erfindungsgemäße Verfahren wird wie folgt realisiert:The process according to the invention is realized as follows:

Die als Bogenstapel bereitgestellten Bogen für den aktuellen Druckauftrag werden ihrer Verarbeitung zugeführt, indem der jeweils oben liegende Bogen durch die Bogenvereinzelungseinrichtung 2 vereinzelt und über einen hier nicht dargestellten Bändertisch der Bogendruckmaschine übergeben werden. Dabei wird die Stapelplatte 5 kontinuierlich in einer verarbeitungsbedingten Hubgeschwindigkeit auf einem Bogenstapelweg 11 in Richtung der Bogenvereinzelungseinrichtung 2 nach oben geführt, so dass das Niveau der oberen Kante des Bogenstapels beim Kontakt mit der Bogenvereinzelungseinrichtung 2 immer auf nahezu gleichem Niveau ist.The sheets provided as sheet stacks for the current print job are fed to their processing by the respective sheet lying on top being separated by the sheet separating device 2 and being transferred to the sheet-fed printing press via a belt table (not shown here). In this case, the stacking plate 5 is continuously guided in a processing-related lifting speed on a Bogenstapelweg 11 in the direction of the sheet separating device 2 upwards, so that the level of the upper edge of the sheet stack is always at almost the same level on contact with the sheet separating device 2.

Dabei verringert sich auch die Stapelhöhe des Bogenstapels kontinuierlich, so dass bei einer technologisch festlegbaren Höhe des Restbogenstapels 1 der Stapelwechsel durch die Non-Stop-Einrichtung 4 vollzogen wird.In this case, the stack height of the sheet stack is continuously reduced, so that at a technologically definable height of the remaining sheet stack 1 of the stack change is completed by the non-stop device 4.

Hierzu werden die Tragstäbe 421 der Non-Stop-Einrichtung 4 oberhalb des Hilfsstapelrahmens 41 in die Aufnahmenuten 61 der Palette 6 gefahren (siehe Figur 2) und in Richtung der hinteren Traverse 412 vorgeschoben. Nach dem Passieren der vorderen Traverse 411 wird die Hubgeschwindigkeit der Bewegung der Tragstäbe 421 in Richtung der Bogenvereinzelungseinrichtung 2 gegenüber der Hubgeschwindigkeit der Stapelplatte 5 um einen festlegbaren Betrag verringert. Infolge dieser Relativgeschwindigkeit gelangen die Tragstäbe 421 in Kontakt mit der Palette 6 und legen sich auf den Grund der Aufnahmenut 61 in einem Auflagebereich 62 ab. Der Auflagebereich 62 liegt geometrisch bedingt im Bereich der vorderen Kante der Palette 6 bzgl. der Einschubrichtung der Tragstäbe 421, also in Nähe zur vordere Traverse 411. Da die Tragstäbe 421 über das Lager 43 in der Non-Stop-Einrichtung 4 gelagert sind, werden die Tragstäbe 421 so ausgelenkt, dass die in Bewegungsrichtung der Tragstäbe 421 vorderen Enden in einer lichten Höhe über die hintere Traverse 412 des Hilfsstapelrahmens 41 geführt werden. Die Tragstäbe 421 schwenken um das Lager 43.For this purpose, the support rods 421 of the non-stop device 4 are driven above the auxiliary stack frame 41 into the receiving grooves 61 of the pallet 6 (see FIG. 2 ) and toward the rear crosshead 412. After passing through the front cross member 411, the stroke speed of the movement of the support rods 421 in the direction of the sheet separating device 2 with respect to the lifting speed of the stacking plate 5 is reduced by a definable amount. As a result of this relative speed, the support rods 421 come into contact with the pallet 6 and lie down on the bottom of the receiving groove 61 in a support area 62. The support area 62 is geometrically related in the area of the front edge of the pallet 6 with respect. The insertion direction of the support rods 421, ie in the vicinity of the front cross member 411. Since the support rods 421 are mounted on the bearing 43 in the non-stop device 4 are the support rods 421 deflected so that the front in the direction of movement of the support rods 421 ends are guided in a clearance height on the rear cross member 412 of the auxiliary stack frame 41. The support rods 421 pivot about the bearing 43.

Die erforderliche Relativgeschwindigkeit wird so erzeugt, dass der Betrag der Hubgeschwindigkeit der Tragstäbe 421 auf einem Wert unterhalb der verarbeitungsspezifischen Hubgeschwindigkeit der Stapelplatte 5 eingestellt wird. Dabei kann der Betrag der Hubgeschwindigkeit der Tragstäbe 421 auch auf Null gesetzt werden oder auch einen negativen Betrag annehmen.The required relative speed is generated so that the amount of lifting speed of the support rods 421 is below the processing-specific Lifting speed of the stacking plate 5 is set. In this case, the amount of the lifting speed of the support rods 421 can also be set to zero or assume a negative amount.

Der Einschub der Tragstäbe 421 wird dabei mit unveränderter Geschwindigkeit fortgesetzt.The insertion of the support rods 421 is continued with unchanged speed.

Mitunter ist es auch erforderlich, die Vorschubgeschwindigkeit der Tragstäbe 421 anzupassen oder diese zu einem festlegbaren Zeitpunkt zu unterbrechen und dann fortzuführen, wenn sich die vorderen Enden der Tragstäbe 421 über dem Höhenniveau der hinteren Traverse 412 befinden.Sometimes it is also necessary to adjust the feed rate of the support rods 421 or to interrupt them at a definable time and then continue when the front ends of the support rods 421 are above the height level of the rear cross member 412.

Nach dem Passieren der hintere Traverse 412 wird die Hubgeschwindigkeit der Tragstäbe 421 so gewählt, dass diese sich auf dem Hilfsstapelrahmen 41 ablegen, die Tragefunktion für den Restbogenstapel 1 übernehmen und diesen in der verarbeitungsspezifischen Hubgeschwindigkeit auf dem Bogenstapelweg 11 führen.After passing through the rear cross member 412, the lifting speed of the supporting rods 421 is selected so that they are deposited on the auxiliary stacking frame 41, take over the carrying function for the remaining sheet pile 1 and this lead in the processing-specific lifting speed on the Bogenstapelweg 11.

Jetzt kann die Stapelplatte 5 mit der leeren Palette 6 in eine hier nicht dargestellte Übernahmeposition abgesenkt werden. Diese befindet sich in der Nähe des Bodenniveaus. Hier wird die leere Palette 6 entfernt und durch eine neue Palette mit einem neuen Bogenstapel ersetzt. Der neue Bogenstapel wird an den Restbogenstapel 1 herangeführt und mit diesem vereinigt.Now, the stacking plate 5 can be lowered with the empty pallet 6 in a takeover position, not shown here. This is located near the ground level. Here, the empty pallet 6 is removed and replaced with a new pallet with a new stack of sheets. The new sheet stack is brought to the remaining sheet pile 1 and combined with this.

Aufstellung der verwendeten BezugszeichenList of used reference numbers

11
RestbogenstapelResidual sheet stack
1111
BogenstapelwegBogenstapelweg
22
BogenvereinzelungseinrichtungSheet separating device
33
BogenförderrichtungSheet conveying direction
44
Non-Stop-EinrichtungNon-stop device
4141
HilfsstapelrahmenAuxiliary stack frame
411411
vordere Traversefront crossbar
412412
hintere Traverserear crossbar
4242
Stapelrechenstack rake
421421
Tragstäbecarrying bars
4343
Lagercamp
4444
Führungsschienenguide rails
55
Stapelplattestacking plate
5151
Zugmitteltraction means
66
Palettepalette
6161
Aufnahmenutreceiving groove
6262
Auflagebereichsupport area

Claims (7)

Verfahren zum automatischen Stapelwechsel an einem Bogenanleger einer Bogendruckmaschine, wobei - ein zu verarbeitender Restbogenstapel (1) mittels einer Palette (6) auf einer Stapelplatte (5) gelagert ist, - der jeweils oberste Bogen des Restbogenstapels (1) durch eine Bogenvereinzelungseinrichtung (2) vereinzelt und der Bogendruckmaschine in einer Bogenförderrichtung (3) zugeführt wird, dabei - der Restbogenstapel (1) kontinuierlich in einer verarbeitungsbedingten Hubgeschwindigkeit auf einem Bogenstapelweg (11) in Richtung der Bogenvereinzelungseinrichtung (2) nachgeführt - und der Stapelwechsel durch eine Non-Stop-Einrichtung (4) vollzogen wird, wobei - die Non-Stop-Einrichtung (4) parallel zum Bogenstapelweg (11) verfahrbar ist und einen in den Bogenstapelweg (11) einfahrbaren, mit mehreren Tragstäbe (421) versehenen Stapelrechen (42) und einen Hilfsstapelrahmen (41) aufweist, dabei der Hilfsstapelrahmen (41) mit einer vorderen Traverse (411) und einer hinteren Traverse (412) ausgestattet ist und - der Stapelwechsel vollzogen wird, indem - beim Erreichen einer festlegbaren Stapelhöhe des Restbogenstapels (1) die Tragstäbe (421) oberhalb des Hilfsstapelrahmens (41) in die Palette (6) eingefahren werden, - nach dem Einfahren der Tragstäbe (421) eine Relativgeschwindigkeit zwischen der Hubgeschwindigkeit der Tragstäbe (421) und der verarbeitungsbedingten Hubgeschwindigkeit der Palette (6)/Stapelplatte (5) erzeugt wird, derart, dass die Tragstäbe (421) in Kontakt mit der Palette (6) gelangen und durch diese so ausgelenkt werde, dass die in Einschubrichtung der Tragstäbe (421) vorderen Enden der Tragstäbe (421) in einer lichten Höhe über die hinteren Teil des Hilfsstapelrahmens geführt werden - nach dem Passieren der hinteren Traverse (412) die Hubgeschwindigkeit der Tragstäbe (421) so gewählt wird, dass diese sich auf dem Hilfsstapelrahmen (41) ablegen und die Tragefunktion für den Restbogenstapel (1) übernehmen, wobei - die Tragstäbe (421) die verarbeitungsbedingte Hubgeschwindigkeit des Restbogenstapels (1) aufnehmen, - die Stapelplatte (5) mit der leeren Palette (6) in eine Übernahmeposition abgesenkt wird, - die leere Palette (6) entfernt, - durch eine neue Palette mit einem neuen Bogenstapel ersetzt und - dieser neue Bogenstapel an den Restbogenstapel (1) herangeführt und mit diesen vereinigt wird. Method for automatically changing piles on a sheet feeder of a sheet-fed press, wherein a residual sheet stack (1) to be processed is mounted on a stacking plate (5) by means of a pallet (6), - The topmost sheet of the remaining sheet stack (1) isolated by a sheet separating device (2) and the sheet-fed press in a sheet conveying direction (3) is supplied, thereby - The remaining sheet stack (1) continuously tracked in a processing-related lifting speed on a Bogenstapelweg (11) in the direction of the sheet separating device (2) - And the stack change is performed by a non-stop device (4), wherein - The non-stop device (4) parallel to the Bogenstapelweg (11) is movable and a in the Bogenstapelweg (11) retractable, with a plurality of support rods (421) provided stacking rake (42) and an auxiliary stack frame (41), while the auxiliary stack frame (41) is equipped with a front cross member (411) and a rear cross member (412) and - the stack change is completed by - Upon reaching a definable stack height of the remaining sheet pile (1), the support rods (421) are retracted above the auxiliary stack frame (41) in the pallet (6), - After retraction of the support rods (421), a relative speed between the lifting speed of the support rods (421) and the processing-related lifting speed of the pallet (6) / stacking plate (5) is generated, such that the support rods (421) in contact with the pallet (421) 6) and are deflected by the latter so that the front ends of the support rods (421) in the insertion direction of the support rods (421) are guided at a clear height over the rear part of the auxiliary stack frame - After passing the rear cross member (412), the lifting speed of the support rods (421) is selected so that they are deposited on the auxiliary stack frame (41) and take the carrying function for the remaining sheet stack (1), said - The support rods (421) record the processing-related lifting speed of the remaining sheet pile (1), - the stacking plate (5) with the empty pallet (6) is lowered into a transfer position, - remove the empty pallet (6), - replaced by a new palette with a new sheet pile and - This new sheet pile is brought to the remaining sheet stack (1) and combined with them. Verfahren zum automatischen Stapelwechsel an einem Bogenanleger einer Bogendruckmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Relativgeschwindigkeit zwischen verarbeitungsbedingter Hubgeschwindigkeit der Palette (6)/Stapelplatte (5) erzeugt wird, indem der Betrag der Hubgeschwindigkeit der Tragstäbe (421) auf einem Wert unterhalb der verarbeitungsbedingten Hubgeschwindigkeit der Palette (6)/Stapelplatte (5) eingestellt wird.A method of automatic stack change on a sheet feeder of a sheet-fed press according to claim 1, characterized in that the relative speed between processing stroke speed of the pallet (6) / stacking plate (5) is generated by the amount of lifting speed of the support rods (421) to a value below the processing-related lifting speed of the pallet (6) / stacking plate (5) is set. Verfahren zum automatischen Stapelwechsel an einem Bogenanleger einer Bogendruckmaschine nach Anspruch 2, dadurch gekennzeichnet, dass die Relativgeschwindigkeit zwischen verarbeitungsbedingter Hubgeschwindigkeit der Palette (6)/Stapelplatte (5) erzeugt wird, indem der Betrag der Hubgeschwindigkeit der Tragstäbe (421) auf Null gesetzt wird.A method for automatic stack change on a sheet feeder of a sheet-fed printing machine according to claim 2, characterized in that the relative speed between processing stroke speed of the pallet (6) / stacking plate (5) is generated by the amount of the lifting speed of the support rods (421) is set to zero. Verfahren zum automatischen Stapelwechsel an einem Bogenanleger einer Bogendruckmaschine nach Anspruch 2, dadurch gekennzeichnet, dass die Relativgeschwindigkeit zwischen verarbeitungsbedingter Hubgeschwindigkeit der Palette (6)/Stapelplatte (5) erzeugt wird, indem der Betrag der Hubgeschwindigkeit der Tragstäbe auf (421) einen negativen Wert gesetzt wird.Method for automatically changing piles on a sheet feeder of a sheet-fed printing machine according to claim 2, characterized in that the relative speed between processing-related lifting speed of the pallet (6) / stacking plate (5) is generated by the amount of lifting speed of the support rods on (421) set a negative value becomes. Verfahren zum automatischen Stapelwechsel an einem Bogenanleger einer Bogendruckmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der Einschub der Tragstäbe (421) nach dem Passieren der vorderen Traverse (411) an einen festlegbaren Zeitpunkt unterbrochen wird und dann fortgesetzt wird, wenn sich die vorderen Enden der Tragstäbe (421) über dem Niveau der hinteren Traverse (412) befinden.A method for automatically changing piles on a sheet feeder of a sheet-fed printing machine according to claim 1, characterized in that the insertion of the support rods (421) after passing through the front cross member (411) is interrupted at a definable time and then continued when the front ends of the Support rods (421) are located above the level of the rear cross member (412). Verfahren zum automatischen Stapelwechsel an einem Bogenanleger einer Bogendruckmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Tragstäbe (421) in dafür vorgesehene Aufnahmenut (61) der Palette (6) eingefahren werden.Method for automatically changing piles on a sheet feeder of a sheet-fed printing machine according to claim 1, characterized in that the support rods (421) are retracted into receiving grooves (61) of the pallet (6) provided for this purpose. Verfahren zum automatischen Stapelwechsel an einem Bogenanleger einer Bogendruckmaschine nach Anspruch 1 und 6, dadurch gekennzeichnet, dass sich nach dem Passieren der vorderen Traverse (411) die Tragstäbe in einem Auflagebereich (62) der vorderen Kante der Palette (6) auf den Grund der Aufnahmenut (61) auflegen.Method for automatic stack change on a sheet feeder of a sheet-fed printing machine according to claim 1 and 6, characterized in that after passing through the front cross member (411), the support rods in a support area (62) of the front edge of the pallet (6) on the bottom of the receiving groove (61) hang up.
EP09161750.6A 2008-08-01 2009-06-03 Method for automatic stack change in a sheet feeder of a sheet printing device Active EP2149522B1 (en)

Applications Claiming Priority (1)

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DE102008036138A DE102008036138A1 (en) 2008-08-01 2008-08-01 Method for automatic stack change at a sheet feeder of a sheet-fed press

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EP2149522A3 EP2149522A3 (en) 2012-08-08
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WO2020164802A1 (en) * 2019-02-11 2020-08-20 Bobst Mex Sa Device and method for changing a sheet pile in a sheet feeder
CN113474272A (en) * 2019-02-26 2021-10-01 鲍勃斯脱里昂公司 Separator for temporarily receiving sheet elements between a stacking table and an output conveyor of a bundle of elements

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JP5052862B2 (en) * 2005-10-26 2012-10-17 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト Computer controlled drawer of non-stop type paper feeding device or paper ejection device comb-like member

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020164802A1 (en) * 2019-02-11 2020-08-20 Bobst Mex Sa Device and method for changing a sheet pile in a sheet feeder
CN113614009A (en) * 2019-02-11 2021-11-05 鲍勃斯脱梅克斯股份有限公司 Device and method for changing stacks of sheets in a sheet feeder
JP2022520541A (en) * 2019-02-11 2022-03-31 ボブスト メックス ソシエテ アノニム Equipment and method for changing the seat pile in the seat feeder
US11858766B2 (en) 2019-02-11 2024-01-02 Bobst Mex Sa Device and method for changing a sheet pile in a sheet feeder
CN113474272A (en) * 2019-02-26 2021-10-01 鲍勃斯脱里昂公司 Separator for temporarily receiving sheet elements between a stacking table and an output conveyor of a bundle of elements
US11912524B2 (en) 2019-02-26 2024-02-27 Bobst Lyon Separator for the transient reception of sheet elements between a lifting table and an output conveyor for bundles of elements

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DE102008036138A1 (en) 2010-02-04
EP2149522A3 (en) 2012-08-08

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