EP0037427B1 - Sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing machine - Google Patents

Sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing machine Download PDF

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Publication number
EP0037427B1
EP0037427B1 EP19800101791 EP80101791A EP0037427B1 EP 0037427 B1 EP0037427 B1 EP 0037427B1 EP 19800101791 EP19800101791 EP 19800101791 EP 80101791 A EP80101791 A EP 80101791A EP 0037427 B1 EP0037427 B1 EP 0037427B1
Authority
EP
European Patent Office
Prior art keywords
sheet
stack
extra
sheets
pack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19800101791
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German (de)
French (fr)
Other versions
EP0037427A1 (en
Inventor
Hermann Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to EP19800101791 priority Critical patent/EP0037427B1/en
Priority to DE8080101791T priority patent/DE3066732D1/en
Publication of EP0037427A1 publication Critical patent/EP0037427A1/en
Application granted granted Critical
Publication of EP0037427B1 publication Critical patent/EP0037427B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/32—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
    • B65H3/322—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile for separating a part of the pile, i.e. several articles at once
    • 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
    • B65H1/04—Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of 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
    • 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
    • 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 sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing press.
  • a sheet feeder of this type is known from DE-B-17 86 545.
  • DE-B-1 013 156 shows a device in which sheets can be transferred in batches from a supply stack to an inclined stack. Sheet pack transfer belt systems and a slide are used for this.
  • GB-A-2 012 731 also shows a sheet transfer device with which individual sheets can be transferred from a first stack to a second stack, the sheets also being turned during the transfer.
  • the first-mentioned device is complex and can only be used if there is a sufficient height difference which is bridged by the slide. With the second device, the sheets are forced to turn, which is often not desirable.
  • the single sheet transport requires a considerable amount of time.
  • waste paper packs had to be placed by hand on the sheet stack containing the good sheets, if e.g. Good sheets should be saved for printing or when so-called stoppers occur.
  • the invention has for its object to provide a sheet feeder in which an automatic transfer of waste sheets to the sheet stack containing the sheets to be printed is possible.
  • a second sheet stacking device for storing a waste sheet stack parallel to the edge is arranged, that at least one separating tongue which can be inserted into the waste sheet stack between two waste sheet sheets is provided for dividing the waste sheet stack for the purpose of transferring a waste sheet stack to the sheet stack, and in that can be pulled or pushed onto the sheet stack by the waste sheet transport means of the waste sheet packs.
  • An advantage of the invention lies in the possibility of individually controlling the waste sheet transfer by a central control unit, for example by a computer, depending on various operating conditions.
  • a central control unit for example by a computer
  • the printing costs can be kept low, since automatic and timely transfer of waste sheets is possible, so that these are available for the setup process of the machine instead of unprinted paper.
  • stoppers when printing interruptions occur, e.g. after so-called stoppers, the material costs are reduced, since the required number of waste sheets is also available in such cases.
  • pressure differences occur, which can originate from the inking unit and / or from the dampening unit, which can be caught by means of waste sheets, and after the waste sheets have been processed, the printing of the good sheets is continued without machine interruption.
  • the time-consuming laying on of the waste paper messengers can thus be completely dispensed with during the machine standstill, so that at least one person of the operating team is available for other work during this time.
  • the waste sheet stack By controlling the waste sheet stack to the level of the good sheet stack, the number of waste sheets to be transferred in one pack can be influenced, at least in the order of magnitude, in an advantageous manner.
  • the use of a blower makes the introduction of the sheet gripper for removing a waste sheet pack much easier.
  • FIG. 1 schematically shows a sheet stacking device 1 of a sheet feeder that contains the sheets to be printed in a rotary printing machine.
  • a waste paper stacking device 2 is arranged on one of the three accessible sides of the sheet stacking device 1, preferably laterally, parallel to the sheet stacking device 1.
  • the stack of good sheets 3 is raised by means of chains 5 and 6, which can be driven by a drive (not shown in detail), so that the uppermost sheet of the stack of good sheets 3 is each in a position which does not supply it to one shown feed table allowed.
  • a drive not shown in detail
  • a waste sheet pack 4a is to be transferred from the waste sheet stack 4 to the good sheet stack 3 for the proofing or for preparatory work on a printing press or when functional errors occur during production, for example by so-called stoppers, in order to save good sheets, the waste sheet stack 4 is to be transferred to the top edge waste sheet packs 4a raised to the level of the good sheet stack 3 by a sheet gripper 9, which can be designed, for example, as a tong gripper and whose lower part 9a serves as a separating tongue, and by swiveling the sheet gripper 9 by suitable drive means (not shown in FIG. 1), two transport rollers 10 and 11, fed through which the waste sheet pack is grasped and pushed completely over the stack of good sheets 3. After the waste sheet pack 4a has been transferred to the good sheet stack 3, the sheet gripper 9 can be moved back again.
  • the control of the waste sheet transfer is preferably by a central control unit 12 which, for. B. can consist of a microprocessor performed.
  • Fig. 2 shows a block diagram of the control circuit.
  • the control unit 12 controls a stack motor 13 for driving the chains 5, 6 of the sheet stacking device 1 and a stack motor 14 for driving the chains 7, 8 of the waste paper stacking device 2.
  • a blower motor 15 is connected to the control unit 12 (FIGS. 2 and 4), with the aid of which air is blown against a side of the waste sheet stack 4 by means of a suitable blower, so that the introduction of the sheet gripper is facilitated.
  • a gripper drive device 16 which is not shown in detail in FIG. 1, controls the sheet gripper 9 in a timely and path-oriented manner.
  • a printing and / or sheet transport monitoring circuit 17 can be used to detect the operating conditions or operating states by means of which the supply of waste sheets is necessary.
  • the control unit 12 can also be addressed via a control panel 18, which is equipped with an appropriate keyboard (not shown / equipped in detail), so that the introduction of a waste sheet transfer is possible manually.
  • the control unit 12 becomes a transport roller drive motor 19 for the transport rollers 10 and 11 controlled.
  • Fig. 3 shows a second embodiment of a waste sheet transport device.
  • the sheet gripper 9 is fastened to a carriage 20 which can be moved along a guide rail 21 over the sheet stack 3.
  • a threaded spindle 22 is used, which can be rotated in both directions by means of a motor 23.
  • the carriage 20 and thus the sheet gripper 9, which detects a waste sheet pack 4a can be moved over the sheet stack 3, i.e. H. from right to left and then from left to right.
  • the transport rollers 10 and 11 used in FIG. 1 are in the embodiment according to FIG . 3 not absolutely necessary, since the entire transfer process can be carried out by the sheet gripper 9 alone.
  • the motor 23 used here for driving the spindle 22 can also be controlled by a central control unit, as was described in connection with the exemplary embodiment 1 in FIG. 2.
  • the carriage 20 with the bow gripper 9 can be moved past the side of the suction head lock 25 by a suitable arrangement of the spindle 22 in an existing free passage.
  • the sheet gripper 9 is lifted by a lifting means, for. B. by an attached to a controllable telescopic arm electromagnet 24, on an excessive path back to the waste sheet stack 4, so that touching the top sheet on the sheet stack 3 is avoided during the return movement of the sheet gripper 9.
  • FIG. 4 shows a further exemplary embodiment in which a waste sheet pack 4a can be pushed onto the stack of good sheets 3 by a sheet gripper 26 designed as a slide, the lower part 26a of which acts as a separating tongue.
  • the sheet gripper 26 is fastened to a slide 27 which can be moved from left to right and vice versa on a guide rail 28.
  • a threaded spindle 29 is used, which can be driven by a motor 30 in both directions.
  • the sheet gripper 26 can be returned to the right starting position by an appropriate device, for example by fastening it to a telescopic arm, in an excessive way after the waste sheet pack 4a has been dispensed .
  • a hold-down device 34 which can be displaced in terms of height on a side wall and which, after gripping the waste sheet pack 4a to be transferred, can be pushed in or swung in below the sheet gripper 26 and thus holds the remaining waste sheets on the waste sheet stack 4.
  • This arrangement with the hold-down 34 can also be used in principle in all of the exemplary embodiments.
  • the sheet gripper 26 pushes a waste sheet pack 4a to be transferred to the left, so that it reaches the area of influence of two conveyor belts 32 and 33, in the place of which conventional transport rollers can be used.
  • the complete transfer of the waste sheet pack 4a to the good sheet stack 3 is then carried out with the aid of the conveyor belts 32 and 33.
  • the stack of waste sheets 4 can be slightly inclined to facilitate the handing over of a waste sheet pack 4a, which is indicated by the inclined plane 35. This is easily possible with the help of chains 7 and 8. This reduces the coefficient of friction to be overcome when handing over a waste sheet pack.
  • the spindle 29 over the entire waste sheet stack 4, d. H. extends to the left side wall of the waste paper stack 4. In this case, the use of transport rollers or conveyor belts can be dispensed with, in particular when the waste sheet stack 4 is brought into the inclined plane 35.
  • patchers On both sides of the sheet stack 3 shown in FIGS. 1, 3 and 4 and, if desired, also front and rear are so-called patchers, e.g. B. in the form of alignment plates, which are connected to a vibrator, by means of which the upper sheet ees sheet stack 3 can be aligned.
  • patchers e.g. B. in the form of alignment plates, which are connected to a vibrator, by means of which the upper sheet ees sheet stack 3 can be aligned.
  • a compensation plate 36 with a vibrator 37 is only indicated schematically in FIG. 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Description

Die Erfindung betrifft einen Bogenanleger mit einer die in einer Rotationsdruckmaschine zu bedruckenden Bogen enthaltenden höhenverstellbaren Bogenstapelvorrichtung.The invention relates to a sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing press.

Ein Bogenanleger dieser Art ist aus der DE-B-17 86 545 bekannt.A sheet feeder of this type is known from DE-B-17 86 545.

Es ist bereits bekannt, Bogenpakete von einem Stapel auf einen anderen zu transportieren. So zeigt beispielsweise die DE-B-1 013 156 eine Vorrichtung, in der Blätter packenweise von einem Vorratsstapel auf einen schräg stehenden Sammelstapel überführbar sind. Hierfür werden Bogenpacken- übertragungsbandsysteme und eine Rutsche verwendet. Des weiteren zeigt die GB-A-2 012 731 eine Bogenübergabevorrichtung, mit der Einzelbogen von einem ersten Stapel auf einen zweiten Stapel übergebbar sind, wobei während der Übergabe auch eine Wendung der Bogen erfolgt. Die zuerst erwähnte Vorrichtung ist aufwendig und nur einsetzbar, wenn eine ausreichende Höhendifferenz vorhanden ist, die durch die Rutsche überbrückt wird. Mit der zweiten Vorrichtung erfolgt zwangsweise eine Wendung der Bogen, was häufig nicht erwünschenswert ist. Außerdem erfordert der Einzelbogentransport einen erheblichen Zeitaufwand.It is already known to transport bundles of sheets from one stack to another. For example, DE-B-1 013 156 shows a device in which sheets can be transferred in batches from a supply stack to an inclined stack. Sheet pack transfer belt systems and a slide are used for this. GB-A-2 012 731 also shows a sheet transfer device with which individual sheets can be transferred from a first stack to a second stack, the sheets also being turned during the transfer. The first-mentioned device is complex and can only be used if there is a sufficient height difference which is bridged by the slide. With the second device, the sheets are forced to turn, which is often not desirable. In addition, the single sheet transport requires a considerable amount of time.

Mangels geeigneter Vorrichtungen mußten somit bisher Makulaturbogenpacken von Hand auf den die Gutbogen enthaltenden Bogenstapel aufgelegt werden, wenn z.B. für den Andruck oder beim Auftreten von sogenannten Stoppern Gutbogen gespart werden sollten.In the absence of suitable devices, previously, waste paper packs had to be placed by hand on the sheet stack containing the good sheets, if e.g. Good sheets should be saved for printing or when so-called stoppers occur.

Der Erfindung liegt die Aufgabe zugrunde, einen Bogenanleger zu schaffen, in dem eine automatische Übergabe von Makulaturbogen auf den die zu bedruckenden Bogen enthaltenden Bogenstapel möglich ist.The invention has for its object to provide a sheet feeder in which an automatic transfer of waste sheets to the sheet stack containing the sheets to be printed is possible.

Diese Aufgabe wird dadurch gelöst, daß neben einer freien Seite der Bogenstapelvorrichtung eine zweite Bogenstapelvorrichtung zur kantenparallelen Ablage eines Makulaturbogenstapels angeordnet ist, daß mindestens eine in den Makulaturbogenstapel zwischen zwei Makulaturbogen einfahrbare Trennzunge zum Abteilen des Makulaturbogenstapels zwecks Überführung eines Makulaturbogenstapels auf den Bogenstapel vorgesehen ist und daß durch Makulaturbogentransportmittel der Makulaturbogenpacken auf den Bogenstapel zieh- oder schiebbar ist.This object is achieved in that, in addition to a free side of the sheet stacking device, a second sheet stacking device for storing a waste sheet stack parallel to the edge is arranged, that at least one separating tongue which can be inserted into the waste sheet stack between two waste sheet sheets is provided for dividing the waste sheet stack for the purpose of transferring a waste sheet stack to the sheet stack, and in that can be pulled or pushed onto the sheet stack by the waste sheet transport means of the waste sheet packs.

Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und aus der Beschreibung in Verbindung mit den Zeichnungen.Advantageous developments of the invention result from the subclaims and from the description in conjunction with the drawings.

Ein Vorteil der Erfindung liegt in der Möglichkeit, die Makulaturbogenübergabe durch eine zentrale Steuereinheit, beispielsweise durch einen Rechner, in Abhängigkeit von verschiedenen Betriebsbedingungen individuell zu steuern. Somit können beispielsweise beim Einrichten der Maschine durch Reduzierung des Personaleinsatzes die Andruckkosten niedrig gehalten werden, da automatisch und zeitgerecht eine Übergabe von Makulaturbogen möglich ist, so daß diese anstelle von unbedruckten Papieren für den Einrichtvorgang der Maschine zur Verfügung stehen. Desweiteren können beim Auftreten von Druckunterbrechungen, z.B. nach sogenannten Stoppern, die Materialkosten reduziert werden, da auch in solchen Fällen die erforderliche Anzahl von Makulaturbogen zur Verfügung steht. Das gleiche gilt für den Fall, daß Druckdifferenzen auftreten, die vom Farbwerk und/oder vom Feuchtwerk herrühren können, die mittels Makulaturbogen auffangbar sind, wobei nach Abarbeiten der Makulaturbogen ohne Maschinenunterbrechung mit dem Druck der Gutbogen fortgefahren wird. Das zeitaufwendige Handauflegen der Makulaturboten kann somit während des Maschinenstillstandes vollständig entfallen, so daß zumindest eine Person der Bedienungsmannschaft während dieser Zeit für andere Arbeiten zur Verfügung steht. Durch die Steuerung des Makulaturbogenstapels auf das Niveau des Gutbogenstapels läßt sich unter anderem in vorteilhafter Weise die Zahl der jeweils in einem Packen zu übergebenden Makulaturbogen, zumindest größenordnungsmäßig, beeinflussen. Durch die Verwendung eines Gebläses wird die Einführung des Bogengreifers zur Entnahme eines Makulaturbogenpackens wesentlich erleichtert.An advantage of the invention lies in the possibility of individually controlling the waste sheet transfer by a central control unit, for example by a computer, depending on various operating conditions. Thus, for example when setting up the machine by reducing the number of personnel involved, the printing costs can be kept low, since automatic and timely transfer of waste sheets is possible, so that these are available for the setup process of the machine instead of unprinted paper. Furthermore, when printing interruptions occur, e.g. after so-called stoppers, the material costs are reduced, since the required number of waste sheets is also available in such cases. The same applies in the event that pressure differences occur, which can originate from the inking unit and / or from the dampening unit, which can be caught by means of waste sheets, and after the waste sheets have been processed, the printing of the good sheets is continued without machine interruption. The time-consuming laying on of the waste paper messengers can thus be completely dispensed with during the machine standstill, so that at least one person of the operating team is available for other work during this time. By controlling the waste sheet stack to the level of the good sheet stack, the number of waste sheets to be transferred in one pack can be influenced, at least in the order of magnitude, in an advantageous manner. The use of a blower makes the introduction of the sheet gripper for removing a waste sheet pack much easier.

Im folgenden wird die Erfindung anhand verschiedener Ausführungsbeispiele im einzelnen erläutert, wobei Bezug auf die beiliegenden Zeichnungen genommen wird. In diesen zeigen:

  • Fig. 1 eine erste Ausführungsform einer Makulaturbogentransportvorrichtung,
  • Fig. 2 ein Blockschaltbild zur Steuerung der Makulaturbogenübergabe,
  • Fig. 3 eine zweite Ausführungsform einer Makulaturbogentransportvorrichtung und
  • Fig. 4 eine dritte Ausführungsform einer Makulaturbogentransportvorrichtung.
The invention is explained in detail below with reference to various exemplary embodiments, reference being made to the accompanying drawings. In these show:
  • 1 shows a first embodiment of a waste sheet transport device,
  • 2 is a block diagram for controlling the waste sheet transfer,
  • Fig. 3 shows a second embodiment of a waste sheet transport device and
  • Fig. 4 shows a third embodiment of a waste sheet transport device.

Fig. 1 zeigt schematisch eine die in einer Rotationsdruckmaschine zu bedruckenden Bogen enthaltende Bogenstapelvorrichtung 1 eines Bogenanlegers. An einer der drei zugänglichen Seiten der Bogenstapelvorrichtung 1, vorzugsweise seitlich, ist parallel zur der Bogenstapelvorrichtung 1 eine Makulaturbogenstapelvorrichtung 2 angeordnet.1 schematically shows a sheet stacking device 1 of a sheet feeder that contains the sheets to be printed in a rotary printing machine. A waste paper stacking device 2 is arranged on one of the three accessible sides of the sheet stacking device 1, preferably laterally, parallel to the sheet stacking device 1.

Der Gutbogenstapel 3 wird mittels Ketten 5 und 6, die durch einen nicht im einzelnen gezeigten Antrieb antreibbar sind, so angehoben, daß der oberste Bogen des Gutbogenstapels 3 sich jeweils in einer Position befindet, die die Zuführung auf einen nicht gezeigten Anlegetisch erlaubt. Zur Durchführung der Makulaturpackenübergabe von dem Makulaturbogenstapel 4 zu dem Gutbogenstapel 3 ist es vorteilhaft, die dem Gutbogenstapel 3 benachbarte obere Kante des Makulaturbogenstapels 4 mit Hilfe der Ketten 7 und 8 auf das Niveau des obersten Bogens des Gutbogenstapels nachzufahren. Besonders günstig ist es, wenn der unterste Bogen des zu übertragenden Makulaturbogenpackens 4a höhenmäßig geringfügig über dem obersten Bogen des Gutbogenstapels 3 zu liegen kommt. Es versteht sich, daß die Makulaturbogen die Formatgröße der zu bedruckenden Bogen auf dem Gutbogenstapel aufweisen.The stack of good sheets 3 is raised by means of chains 5 and 6, which can be driven by a drive (not shown in detail), so that the uppermost sheet of the stack of good sheets 3 is each in a position which does not supply it to one shown feed table allowed. To carry out the waste pack transfer from the waste sheet stack 4 to the good sheet stack 3, it is advantageous to track the upper edge of the waste sheet stack 4 adjacent to the good sheet stack 3 to the level of the uppermost sheet of the good sheet stack using the chains 7 and 8. It is particularly favorable if the bottom sheet of the waste sheet pack 4a to be transferred comes to lie slightly above the top sheet of the stack of good sheets 3. It goes without saying that the waste sheets have the format size of the sheets to be printed on the stack of good sheets.

Falls für den Andruck bzw. für Vor-, bereitungsarbeiten an einer Druckmaschine oder beim Auftreten von Funktionsfehlern während des Fortdrucks, beispielsweise durch sogenannte Stopper, zur Einsparung von Gutbogen ein Makulaturbogenpacken 4a von dem Makulaturbogenstapel 4 auf den Gutbogenstapel 3 zu übertragen ist, wird der oberkantenmäßig auf das Niveau des Gutbogenstapels 3 angehobene Makulaturbogenpacken 4a von einem Bogengreifer 9, der beispielsweise als Zangengreifer ausgebildet sein kann und dessen Unterteil 9a als Trennzunge dient, erfaßt und durch Verschwenken des Bogengreifers 9 durch geeignete in Fig. 1 nicht gezeigte Antreibsmittel, zwei Transportrollen 10 und 11, zugeführt, durch die der Makulaturbogenpacken erfaßt und vollständig über den Gutbogenstapel 3 geschoben wird. Nach Übergabe des Makulaturbogenpackens 4a an den Gutbogenstapel 3 kann der Bogengreifer 9 wieder zurückbewegt werden.If a waste sheet pack 4a is to be transferred from the waste sheet stack 4 to the good sheet stack 3 for the proofing or for preparatory work on a printing press or when functional errors occur during production, for example by so-called stoppers, in order to save good sheets, the waste sheet stack 4 is to be transferred to the top edge waste sheet packs 4a raised to the level of the good sheet stack 3 by a sheet gripper 9, which can be designed, for example, as a tong gripper and whose lower part 9a serves as a separating tongue, and by swiveling the sheet gripper 9 by suitable drive means (not shown in FIG. 1), two transport rollers 10 and 11, fed through which the waste sheet pack is grasped and pushed completely over the stack of good sheets 3. After the waste sheet pack 4a has been transferred to the good sheet stack 3, the sheet gripper 9 can be moved back again.

Die Steuerung der Makulaturbogenübergabe wird vorzugsweise durch eine zentrale Steuereinheit 12, die z. B. aus einem Mikroprozessor bestehen kann, durchgeführt. Fig. 2 zeigt ein Blockschaltbild des Steuerkreises. Wie aus dem Blockschaltbild hervorgeht, wird durch die Steuereinheit 12 ein Stapelmotor 13 für den Antrieb der Ketten 5, 6 der Bogenstapelvorrichtung 1 und ein Stapelmotor 14 für den Antrieb der Ketten 7, 8 der Makulaturbogenstapelvorrichtung 2 gesteuert. Desweiteren ist mit der Steuereinheit 12 ein Gebläsemotor 15 verbunden (Fig. 2 und 4), mit dessen Hilfe über ein geeignetes Gebläse gegen eine Seite des Makulaturbogenstapels 4 Luft geblasen wird, so daß die Einführung des Bogengreifers erleichtert wird. Durch eine Greiferantriebsvorrichtung 16, die in Fig. 1 nicht im einzelnen gezeigt ist, erfolgt die zeit- und weggerechte Steuerung des Bogengreifers 9.The control of the waste sheet transfer is preferably by a central control unit 12 which, for. B. can consist of a microprocessor performed. Fig. 2 shows a block diagram of the control circuit. As can be seen from the block diagram, the control unit 12 controls a stack motor 13 for driving the chains 5, 6 of the sheet stacking device 1 and a stack motor 14 for driving the chains 7, 8 of the waste paper stacking device 2. Furthermore, a blower motor 15 is connected to the control unit 12 (FIGS. 2 and 4), with the aid of which air is blown against a side of the waste sheet stack 4 by means of a suitable blower, so that the introduction of the sheet gripper is facilitated. A gripper drive device 16, which is not shown in detail in FIG. 1, controls the sheet gripper 9 in a timely and path-oriented manner.

Durch eine Druck- und/oder Bogentransport- überwachungsschaltung 17 sind die Betriebsbedingungen bzw. Betriebszustände erfaßbar, durch die die Zuführung von Makulaturbogen notwendig wird. Die Steuereinheit 12 ist auch über ein Steuerpult 18, das mit einer entsprechenden Tastatur (nicht im einzelnen gezeigt/ ausgerüstet ist, ansprechbar, so daß die Einleitung einer Makulaturbogenübergabe manuell möglich ist. Letztlich wird durch die Steuereinheit 12 ein Transportrollen-Antriebsmotor 19 für die Transportrollen 10 und 11 gesteuert.A printing and / or sheet transport monitoring circuit 17 can be used to detect the operating conditions or operating states by means of which the supply of waste sheets is necessary. The control unit 12 can also be addressed via a control panel 18, which is equipped with an appropriate keyboard (not shown / equipped in detail), so that the introduction of a waste sheet transfer is possible manually. Ultimately, the control unit 12 becomes a transport roller drive motor 19 for the transport rollers 10 and 11 controlled.

Fig. 3 zeigt ein zweites Ausführungsbeispiel einer Makulaturbogentransportvorrichtung. Bei diesem Ausführungsbeispiel ist der Bogengreifer 9 an einem Schlitten 20 befestigt, der entlang einer Führungsschiene 21 über den Bogenstapel 3 bewegbar ist. Dafür wird eine mit einem Gewinde versehene Spindel 22 werwendet, welche mittels eines Motors 23 in beide Richtungen drehbar ist. Mit Hilfe der Spindel 22 kann der Schlitten 20 und somit der einen Makulaturbogenpacken 4a erfassende Bogengreifer 9 über den Bogenstapel 3, d. h. von rechts nach links und anschließend von links nach rechts, bewegt werden.Fig. 3 shows a second embodiment of a waste sheet transport device. In this exemplary embodiment, the sheet gripper 9 is fastened to a carriage 20 which can be moved along a guide rail 21 over the sheet stack 3. For this purpose, a threaded spindle 22 is used, which can be rotated in both directions by means of a motor 23. With the aid of the spindle 22, the carriage 20 and thus the sheet gripper 9, which detects a waste sheet pack 4a, can be moved over the sheet stack 3, i.e. H. from right to left and then from left to right.

Die in Fig. 1 verwendeten Transportrollen 10 und 11 sind bei dem Ausführungsbeispiel gemäß Fig. 3 nicht zwingend erforderlich, da der gesamte Übergabevorgang allein vom Bogengreifer 9 ausgeführt werden kann. Der hier verwendete Motor 23 zum Antrieb der Spindel 22 ist ebenfalls von einer zentralen Steuereinheit, wie sie in Fig. 2 im Zusammenhang mit dem Ausführungsbeispiel 1 beschrieben wurde, steuerbar. Der Schlitten 20 mit dem Bogengreifer 9 kann durch eine geeignete Anordnung der Spindel 22 in einem vorhandenen freien Durchgang seitlich des Saugerkopfschlosses 25 vorbeibewegt werden. Nach dem Ablegen eines Makulaturbogenpackens 4a auf dem Bogenstapel 3 wird der Bogengreifer 9 durch ein Hebemittel, z. B. durch einen an einem steuerbaren teleskopartigen Arm befestigten Elektromagneten 24, auf einer überhöhten Bahn zurück zum Makulaturbogenstapel 4 geführt, so daß eine Berührung des obersten Bogens auf dem Bogenstapel 3 bei der Rückführbewegung des Bogengreifers 9 vermieden wird.The transport rollers 10 and 11 used in FIG. 1 are in the embodiment according to FIG . 3 not absolutely necessary, since the entire transfer process can be carried out by the sheet gripper 9 alone. The motor 23 used here for driving the spindle 22 can also be controlled by a central control unit, as was described in connection with the exemplary embodiment 1 in FIG. 2. The carriage 20 with the bow gripper 9 can be moved past the side of the suction head lock 25 by a suitable arrangement of the spindle 22 in an existing free passage. After depositing a waste sheet pack 4a on the sheet stack 3, the sheet gripper 9 is lifted by a lifting means, for. B. by an attached to a controllable telescopic arm electromagnet 24, on an excessive path back to the waste sheet stack 4, so that touching the top sheet on the sheet stack 3 is avoided during the return movement of the sheet gripper 9.

In Fig. 4 ist ein weiteres Ausführungsbeispiel dargestellt, bei dem ein Makulaturbogenpacken 4a durch einen als Schieber ausgebildeten Bogengreifer 26, dessen Unterteil 26a als Trennzunge wirkt, auf den Gutbogenstapel 3 geschoben werden kann. Der Bogengreifer 26 ist an einem Schlitten 27 befestigt, der an einer Führungsschiene 28 von links nach rechts und umgekehrt verschiebbar ist. Für den Antrieb des Schlittens 27 wird eine mit einem Gewinde versehene Spindel 29 verwendet, die durch einen Motor 30 in beiden Richtungen antreibbar ist. Ähnlich wie bei der Ausführungsform gemäß Fig. 3 kann auch bei dem Ausführungsbeispiel gemäß Fig. 4 der Bogengreifer 26 durch eine entsprechende Vorrichtung, beispielsweise durch dessen Befestigung an einem teleskopartigen Arm, auf einem überhöhten Weg nach Abgabe des Makulaturbogenpackens 4a in die rechte Ausgangsposition zurückgeführt werden.4 shows a further exemplary embodiment in which a waste sheet pack 4a can be pushed onto the stack of good sheets 3 by a sheet gripper 26 designed as a slide, the lower part 26a of which acts as a separating tongue. The sheet gripper 26 is fastened to a slide 27 which can be moved from left to right and vice versa on a guide rail 28. For the drive of the carriage 27, a threaded spindle 29 is used, which can be driven by a motor 30 in both directions. Similar to the embodiment according to FIG. 3, also in the embodiment according to FIG. 4, the sheet gripper 26 can be returned to the right starting position by an appropriate device, for example by fastening it to a telescopic arm, in an excessive way after the waste sheet pack 4a has been dispensed .

Zur erleichterten Einführung des Bogengreifers 26 wird seitlich ein durch einen Motor 15 antreibbares Gebläse 31 eingebaut, das auch bei den Ausführungsformen gemäß Fig. 1 und 3 verwendet werden kann.To facilitate the introduction of the sheet gripper 26 is a laterally by a motor 15 driven blower 31 installed, which can also be used in the embodiments according to FIGS. 1 and 3.

Unterhalb des Greifers 26 ist ein an einer Seitenwand höhenmäßig verschiebbarer Niederhalter 34 gezeigt, der nach Erfassen des zu übergebenden Makulaturbogenpackens 4a unterhalb des Bogengreifers 26 einschieb- bzw. einschwenkbar ist und somit die zurückbleibenden Makulaturbogen auf dem Makulaturbogenstapel 4 festhält. Auch diese Anordnung mit dem Niederhalter 34 ist prinzipiell bei allen Ausführungsbeispielen verwendbar.Below the gripper 26 there is shown a hold-down device 34 which can be displaced in terms of height on a side wall and which, after gripping the waste sheet pack 4a to be transferred, can be pushed in or swung in below the sheet gripper 26 and thus holds the remaining waste sheets on the waste sheet stack 4. This arrangement with the hold-down 34 can also be used in principle in all of the exemplary embodiments.

Der Bogengreifer 26 schiebt einen zu übergebenden Makulaturbogenpacken 4a nach links, so daß dieser in den Einflußbereich zweier Transportbänder 32 und 33 gelangt, an deren Stelle herkömmliche Transportrollen verwendet werden können. Die vollständige Übergabe des Makulaturbogenpackens 4a auf den Gutbogenstapel 3 wird dann mit Hilfe der Transportbänder 32 und 33 ausgeführt.The sheet gripper 26 pushes a waste sheet pack 4a to be transferred to the left, so that it reaches the area of influence of two conveyor belts 32 and 33, in the place of which conventional transport rollers can be used. The complete transfer of the waste sheet pack 4a to the good sheet stack 3 is then carried out with the aid of the conveyor belts 32 and 33.

Gegebenenfalls kann zur erleichterten Obergabe eines Makulaturbogenpackens 4a der Makulaturbogenstapel 4 leicht geneigt sein, was durch die schräge Ebene 35 angedeutet ist. Dies ist mit Hilfe der Ketten 7 und 8 in einfacher Weise möglich. Dadurch wird der zu überwindende Reibwert bei der Übergabe eines Makulaturbogenpackens verringert. Eine weitere Variante besteht darin, daß die Spindel 29 sich über den gesamten Makulaturbogenstapel 4, d. h. bis zur linken Seitenwand des Makulaturbogenstapels 4, erstreckt. In diesem Fall kann auf die Verwendung von Transportrollen oder Transportbänder verzichtet werden und zwar insbesondere dann, wenn der Makulaturbogenstapel 4 in die geneigte Ebene 35 gebracht wird.If necessary, the stack of waste sheets 4 can be slightly inclined to facilitate the handing over of a waste sheet pack 4a, which is indicated by the inclined plane 35. This is easily possible with the help of chains 7 and 8. This reduces the coefficient of friction to be overcome when handing over a waste sheet pack. Another variant is that the spindle 29 over the entire waste sheet stack 4, d. H. extends to the left side wall of the waste paper stack 4. In this case, the use of transport rollers or conveyor belts can be dispensed with, in particular when the waste sheet stack 4 is brought into the inclined plane 35.

Beiderseits der in den Fig. 1, 3 und 4 gezeigten Bogenstapel 3 und, falls gewünscht, auch vorn und hinten sind sogennannte Patscher, z. B. in Form von Ausrichtplatten, vorgesehen, die mit einem Vibrator verbunden sind, mit deren Hilfe die oberen Bogen ees Bogenstapels 3 ausgerichtet werden können. Aus Platzgründen ist lediglich in Fig. 1 eine Ausgleichsplatte 36 mit einem Vibrator 37 schematisch angedeutet.On both sides of the sheet stack 3 shown in FIGS. 1, 3 and 4 and, if desired, also front and rear are so-called patchers, e.g. B. in the form of alignment plates, which are connected to a vibrator, by means of which the upper sheet ees sheet stack 3 can be aligned. For reasons of space, a compensation plate 36 with a vibrator 37 is only indicated schematically in FIG. 1.

Claims (15)

1. Sheet feeder having a height-adjustable sheet stacking device (1) containing the sheets to be printed in a rotary printing machine, characterised in that a second sheet stacking device (2) for depositing a stack of extra sheets (spoils) (4) parallel to its edge is arranged next to one free side of the sheet stacking device (1), in that there is provided at least one dividing tongue (9a, 26a), which can be guided in between two extra sheets in the stack of extra sheets (4) to divide off the extra sheet stack (4) in order to transfer a pack of extra sheets (4a) to the sheet stack (3), and in that the pack of extra sheets (4a) can be pulled or pushed on to the sheet stack (3) by extra sheet transport means (9; 9, 20, 21, 22, 23; 26, 27, 28, 29, 30).
2. Sheet feeder according to claim 1, characterised in that a pack of extra sheets (4a) can be picked up from the extra sheet stack (4) arranged next to the sheet stack (3) and pulled to the sheet stack (3) by a centrally controllable stack pick-up device (9), after which the pack of extra sheets (4a) can be pushed completely over the sheet stack (3) by further transporting means (10, 11).
3. Sheet feeder according to claim 2, characterised in that the sheet pick-up device (9) has at least one sheet grab, and in that the further controllable transporting means (10, 11) comprise driven transport rollers.
4. Sheet feeder according to claim 1, characterised in that a pack of extra sheets (4a) can be picked up from the extra sheet stacking device (2) arranged next to the sheet stacking device (1) by the centrally controllable sheet pick-up device (9), after which the sheet pick-up device (9) can be pulled over the sheet stack (3) by a guide device (21, 22, 23) and can be returned to the extra sheet stack (4) via a raised path.
5. Sheet feeder according to claim 4, characterised in that the guide device (21, 22, 23) comprises a guide spindle (22) arranged above the sheet stack (3) which can be driven by a motor in both directions.
6. Sheet feeder according to claim 4 or 5, characterised in that the sheet pick-up device (9) can be moved by a lifting device (24) to a higher path for the return transport after a pack of extra sheets (4a) has been transferred to the sheet stack (3).
7. Sheet feeder according to claim 1, characterised in that the extra sheet transfer device (26, 27, 28, 29, 32, 33) comprises a sheet pick-up device (26), which can pick up a pack of extra sheets (4a) at the edge of the extra sheet stack lying further away from the sheet stack (3) and push against further controllable transporting means (32, 33), by which the pack of extra sheets (4a) can be pushed completely over the sheet stack (3).
8. Sheet feeder according to one of the above claims, characterised in that the extra sheet stack (4) lies in a plane (35) inclined towards the sheet stack (3).
9. Sheet feeder according to one of the above claims, characterised in that the sheet stack (3) can be lowered before the pack of extra sheets (4a) is taken over, by an amount which corresponds to the height of the pack of extra sheets (4a) to be transferred.
10. Sheet feeder according to one of the above claims, characterised in that a fan (15, 31) directed against the extra sheet stack (4) is arranged on the extra sheet stack (4) in the area of the sheet pick-up device (9; 26).
11. Sheet feeder according to one of the above claims, characterised in that the extra sheet transfer process is controllable by a central control unit (12).
12. Sheet feeder according to claim 11, characterised in that the central control unit (12) is a microprocessor.
13. Sheet feeder according to one of the above claims, characterised in that the extra sheet stack (4) is height-adjustable.
14. Sheet feeder according to one of the above claims, characterised in that an extra sheet transfer signal is produced by a printing and/or sheet monitoring circuit (17) when errors occur, e.g. sheet stoppers, after which the control unit (12) lowers the sheet stack (3) via a stack motor (13) and raises the extra sheet stack (4) via a stack motor (14), and activates a stack pick-up drive (16; 23; 30) and/or a transport roller or belt drive (10, 11, 19; 32, 33) after picking up a pack of extra sheets (4a) to be transferred with the sheet pick-up device (9; 26).
15. Sheet feeder according to one of the above claims, characterised in that a compensation plate (36) connected to a vibrator (37) is provided on at least one side of the sheet stack (3) to straighten the transferred pack of extra sheets (4a).
EP19800101791 1980-04-03 1980-04-03 Sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing machine Expired EP0037427B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19800101791 EP0037427B1 (en) 1980-04-03 1980-04-03 Sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing machine
DE8080101791T DE3066732D1 (en) 1980-04-03 1980-04-03 Sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19800101791 EP0037427B1 (en) 1980-04-03 1980-04-03 Sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing machine

Publications (2)

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EP0037427A1 EP0037427A1 (en) 1981-10-14
EP0037427B1 true EP0037427B1 (en) 1984-02-29

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EP19800101791 Expired EP0037427B1 (en) 1980-04-03 1980-04-03 Sheet feeder with a height-adjustable sheet stacking device containing the sheets to be printed in a rotary printing machine

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DE (1) DE3066732D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3910041A1 (en) * 1989-03-28 1990-10-04 Heidelberger Druckmasch Ag BOW FEEDER FOR SUPPLYING A BOW CURRENT ARRAY OF SINGLE BOWS TO A BOW-PROCESSING MACHINE
CN108189119B (en) * 2018-01-17 2023-08-01 浙江华岳包装机械有限公司 Paper taking and grabbing device for cutting production line
CN110342289B (en) * 2019-07-27 2021-08-13 烟台知兴知识产权咨询服务有限公司 Paper feeding device for image processing equipment
DE102020120001A1 (en) 2020-07-29 2022-02-03 Koenig & Bauer Ag Stacking device and method for forming a target stack of sheet goods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2492577A (en) * 1945-08-31 1949-12-27 Addressograph Multigraph Auxiliary paper feeding mechanism
DE1013156B (en) * 1954-06-26 1957-08-01 Willi Berberich Method and device for conveying sheets in paper or the like processing machines
US3176859A (en) * 1961-06-27 1965-04-06 Beloit Eastern Corp Stack divider
US3512479A (en) * 1967-10-31 1970-05-19 Amadyne Inc Automated overchute feed mechanism for a printing press and control systems therefor
FR2154872A5 (en) * 1971-09-28 1973-05-18 Creusot Loire
DE2639676C2 (en) * 1976-09-03 1985-10-03 Maschinenbau Oppenweiler Gmbh, 7155 Oppenweiler Device for feeding a round pile sheet feeder
SE404912B (en) * 1978-01-13 1978-11-06 Perstorp Ab DEVICE FOR SEPARATION OF PAPER SHEET E DYL

Also Published As

Publication number Publication date
DE3066732D1 (en) 1984-04-05
EP0037427A1 (en) 1981-10-14

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