WO1994008881A1 - Feeder for a sheet-paper processing machine - Google Patents
Feeder for a sheet-paper processing machine Download PDFInfo
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- WO1994008881A1 WO1994008881A1 PCT/EP1993/002400 EP9302400W WO9408881A1 WO 1994008881 A1 WO1994008881 A1 WO 1994008881A1 EP 9302400 W EP9302400 W EP 9302400W WO 9408881 A1 WO9408881 A1 WO 9408881A1
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- Prior art keywords
- holding
- lifting
- feeder
- processing machine
- sheet processing
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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
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/0808—Suction grippers
- B65H3/0883—Construction of suction grippers or their holding devices
Definitions
- the invention relates to a feeder of a paper sheet processing machine.
- Investors of paper sheet processing machines are known, in which paper is picked up from the stack and raised / then transferred to further subordinate funds, which promote the paper sheets in paper processing units, for example printing units of a printing press, with the help of lifting suction devices. It is important that the suction cups remain in the raised position until the bottom edge of the sheet of paper taken over has been removed from the range of motion of the suction cups. Then the suction cups are lowered again as quickly as possible to pick up the next sheet of paper.
- Mechanical locking devices are known in which the lifting suction device remains secured above the sheet of paper and is moved downwards after the locking device has been released. Such mechanically complex locking systems are too slow, especially with tendon-running machines.
- the production and especially the release of the lock takes a very long time, so that the next sheet of paper can only be lifted late, which considerably reduces the printing speed. If the locking mechanism is released earlier, the lifting suction device may touch the rear edge of the sheet, as a result of which it can be damaged or the paper sheets can be torn from the subsequent conveying means or at least shifted in their position. The danger exists particularly with drag vacuums as subsequent funding.
- a proposal for a solution for simply brief stopping of lifting vacuums is known from DD PS 2 93 562 A5.
- the vacuum cleaner is connected to an additional suction line in the suction head by means of suction air, which is on a flat contact surface of the vacuum cleaner acts from above, held in the raised position.
- suction air of this additional suction line is interrupted, the vacuum cleaner can be quickly lowered in the usual way to take over the following paper sheet.
- the proposed suction lifter is very complex, complicated and expensive due to the additional suction line and suction control.
- the holding surface is nasal-shaped, so that rotation of the suction device, as is often desired in operation, is not possible without restricting the fast-reacting holding mechanism.
- the pneumatic forces have to be matched very precisely to the weight of the vacuum cleaner.
- the invention is based on the problem of creating a further, simple, reactive holding device on the lifting suction device that can be quickly resolved in its effect.
- the lifting suction device is subject to a force potential which acts permanently downwards for the sheet take-up.
- This permanent force potential enables the lifting vacuum to be lowered quickly after the lifting vacuum is released by the holding means.
- the lifting suction device can simply be placed on the mechanical means against the force effect of the force potential of the lifting suction device, which accelerates the suction device downward be held back.
- the pneumatically controllable actuation means enable the driving force that counteracts the second force potential to be assembled and disassembled quickly. It is thus possible to use simple means to create a responsive holding mechanism for the lifting vacuum in its raised position.
- the size of the pneumatic forces, as in the DD-29 35 62 A5, does not have to be fine-tuned to the weight of the vacuum cleaner.
- the pneumatic control can be made simpler. Required lines can be provided outside the direct suction area. Incorrect air that interferes with sheet transport can be avoided with closed pneumatic circuits, and better shielded with pneumatic circuits with blown air or drinking air that are not directed directly at the vacuum cleaner.
- jpruch 5 The feature of the preferred embodiment of jpruch 5 is particularly advantageous.
- the direct connection of the displaceably mounted pin to the piston of a pneumatic cylinder enables the pin to be assembled and disassembled quickly against the second force potential driving force. Mechanical reactivities are minimized.
- the closed pneumatic cylinder enables all pneumatic problems to be avoided by the pneumatic system.
- a further embodiment represents the feature of claim 6. This system enables a responsive mounting, in particular when space is limited.
- claim 7 represent preferred embodiments of the second force potential and the force means driving the mechanical means on the pivotably mounted hook.
- the feature of claim 8 represents a particularly simple, particularly responsive embodiment of the hook, especially when the spring element is applied.
- FIG. 2 is a top view of two exemplified mi ttensymetri see suction units of a suction head of a sheet-fed printing machine
- FIG. 3 lifting suction device in a sectional view according to section III-III of Fig. 1, wherein
- FIG. 4 Hubsaugereinri device according to FIG. 3b with a twisted suction device
- lifting suction units 1 are fastened in a known manner to a traverse 2 which is mounted transversely to the sheet conveying direction of a sheet-fed printing machine above the feed pile (not shown) and is fastened in a suction head (not shown).
- the suction unit 1 have a guide cylinder 4 in a known manner, which is attached to the cross member 2.
- a lifting suction device 5 is mounted in a known manner downwards in the direction of the stack.
- a suction nozzle 3 of the guide cylinder 4 is acted upon with suction air in a known manner.
- the cylinder chamber 15 of the suction lifter 5 and the nozzles 6 are also acted upon with suction air in a known manner.
- the lifting suction device 5 is raised against the action of the spring 16.
- the lifting suction device 5 is raised from its position in FIG. 3a to a raised position according to FIG. 3b.
- the lifting suction device 5 has on its upper edge a retaining projection 13 formed over the entire circumference of the lifting suction device 5. The stroke is limited upwards by striking the shoulder 13 and downwards by a guide spring 14.
- Hubsaugerensungsri device attached a pneumatic cylinder 8, the piston rod of the piston 11 is formed as a pin 10 is.
- the pneumatic cylinder 8 is pressurized with compressed air in a known manner via pneumatic lines 9.
- the pneumatic cylinder As soon as the suction device 5 has been raised to its upper position, the pneumatic cylinder is pressurized with compressed air, the guide pin 10 engages from a position outside the suction device movement range, as shown in FIG. 3, into a position within the suction device movement area, as in FIG Fig. 3b is shown.
- the pneumatic cylinder is positioned so that the pin 10 engages directly below the retaining lug 13 in the stroke range.
- the pneumatic circuit for the pneumatic cylinder 8 is vented in a known manner.
- a lifting suction device 5 can be rotated in a known manner around the lifting suction device movement axis in a known manner, in a manner which is not normally perpendicular to the plane of movement of the lifting suction device and which is the receiving plane 17 of the lip 7 of the lifting suction device 5. 4 shows, can also a secure, responsive hold can be made possible when the receiving plane is rotated.
- a hook finger being designed as a holder.
- simple blown air which acts, for example, on a further lever hook arm above the articulation point
- the hook finger could be pivoted with the holding surface into the lifting suction movement area below the holding projection 13 and held there. After the blowing effect had ended, the hook could be pivoted back from a holding position to outside the lifting suction movement range due to the weight of the hook, reinforced by a resetting spring.
- Suction air could also be used instead of the blown air. Blown air and suction air could be shielded with simple sheets above the range of the vacuum cleaner movement. It is also conceivable to design the hook as a leaf spring. Due to its low weight, this would be particularly easy to control with blown air and suction air. The resilient spring force can be used to release the holding effect, if necessary also pre-tensioned.
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Abstract
A feeder for a sheet-paper processing machine with vaccum lifter (5) to lift the sheets of paper from the stack, means for transferring the lifted sheet and taking it from the raised position above the stack to the processing unit, with potential power (16) permanently acting downwards on the vaccum lifters towards the stack, means for controlled cyclic raising of the lifters against the potential force (16), with at least one holder lug (13) on the lifter (5) with movable mechanical means fitted on the suction head to hold the lifter (5) by engaging beneath the holder lug (13). A second permanent potential force acting on the mechanical means and holding the latter back from the lifter (5) is fitted, and there are pneumatically controlled operating means to overcome the potential force operationally coupled to the mechanical means.
Description
Anleger einer papierbogenverarbe tenden MaschineFeeder of a paper sheet processing machine
Die Erfindung betrifft einen Anleger einer papierbogenverarbeitenden Maschine. Es sind Anleger von papierbogenverarbeitenden Maschinen bekannt, bei denen mit Hi lfe von Hubsaugern Papierbogen vom Anlegestapel aufgenommen und angehoben/ dann an weitere in Förderr chtung nachgeordnete Fördermittel übergeben werden, welche die Papierbogen in papierverarbe tende Einheiten, beispielsweise Druckwerke einer Druckmaschine, fördern. Dabei ist es wichtig, daß die Hubsauger so lange in angehobener Position verharren bis die Bogenh nterkante des übernommenen Papierbogens aus dem Bewegungsbereich des Hubsaugers entfernt worden ist. Danach werden die Hubsauger möglichst schnell wieder zum Aufnehmen des nächsten Papierbogens abgesenkt. Es sind mechanische Arretierungsvorrichtungen bekannt, bei denen der Hubsauger gesichert oberhalb des Papierbogens verharrt und nach Lösen der Arretierung abwärts bewegt wird. Solche mechanischen aufwendigen Arretierungssysteme sind insbesondere bei sehne l laufenden Maschinen zu träge. Das Herstellen und vor allem das Lösen der Arretierung fordert einen sehr großen Zeitaufwand, so daß der nächste Papierbogen erst verspätet angehoben werden kann, wodurch die Druckgeschwindigkeit erheblich reduziert wird. Wird die Arretierung früher gelöst, berührt der Hubsauger möglicherweise die Hinterkante des Bogens, wodurch diese beschädigt werden können oder die Papierbogen den nachfolgenden Fördermitteln entrissen oder zumindest in ihrer Lage verschoben werden können. Die Gefahr besteht insbesondere bei Schleppsaugern als nachfolgenden Fördermitteln.The invention relates to a feeder of a paper sheet processing machine. Investors of paper sheet processing machines are known, in which paper is picked up from the stack and raised / then transferred to further subordinate funds, which promote the paper sheets in paper processing units, for example printing units of a printing press, with the help of lifting suction devices. It is important that the suction cups remain in the raised position until the bottom edge of the sheet of paper taken over has been removed from the range of motion of the suction cups. Then the suction cups are lowered again as quickly as possible to pick up the next sheet of paper. Mechanical locking devices are known in which the lifting suction device remains secured above the sheet of paper and is moved downwards after the locking device has been released. Such mechanically complex locking systems are too slow, especially with tendon-running machines. The production and especially the release of the lock takes a very long time, so that the next sheet of paper can only be lifted late, which considerably reduces the printing speed. If the locking mechanism is released earlier, the lifting suction device may touch the rear edge of the sheet, as a result of which it can be damaged or the paper sheets can be torn from the subsequent conveying means or at least shifted in their position. The danger exists particularly with drag vacuums as subsequent funding.
Ein Lösungsvorschlag zum einfachen kurzen Anhalten von Hubsaugern ist aus der DD PS 2 93 562 A5 bekannt. Hierbei wird der Hubsauger über eine zusätzliche Saugleitung im Saugkopf mittels Saugluft, die auf eine ebene Anlagefläche
des Hubsaugers von oben wirkt, in angehobener Position gehalten. Nach Verlassen der Bogenhi nterkante des von Schleppsaugern übernommenen Papierbogens aus dem Bewegungsbereich des Hubsaugers, wird die Saugluft dieser zusätzlichen Saugleitung unterbrochen, der Hubsauger kann in üblicher Weise schnell zur Übernahme des nachfolgenden Papierbogens abgesenkt werden. Der vorgeschlagene Hubsauger ist dabei durch die zusätzliche Saugleitung und Saugsteuerung sehr aufwendig, kompliziert und teuer. Die Haltefläche ist nasenför ig ausgebi ldet, so daß ein Verdrehen des Saugers, wie es im Betrieb häufiger erwünscht ist ohne Einschränkung des schnell reagierenden Haltemechanismus nicht möglich ist. Die pneumatischen Kräfte müssen sehr genau auf das Hubsaugergewicht abgestimmt werden.A proposal for a solution for simply brief stopping of lifting vacuums is known from DD PS 2 93 562 A5. Here, the vacuum cleaner is connected to an additional suction line in the suction head by means of suction air, which is on a flat contact surface of the vacuum cleaner acts from above, held in the raised position. After leaving the bottom edge of the sheet of paper taken over from the vacuum cleaner from the range of motion of the vacuum cleaner, the suction air of this additional suction line is interrupted, the vacuum cleaner can be quickly lowered in the usual way to take over the following paper sheet. The proposed suction lifter is very complex, complicated and expensive due to the additional suction line and suction control. The holding surface is nasal-shaped, so that rotation of the suction device, as is often desired in operation, is not possible without restricting the fast-reacting holding mechanism. The pneumatic forces have to be matched very precisely to the weight of the vacuum cleaner.
Der Erfindung liegt das Problem zugrunde, eine weitere, einfache, schnell in ihrer Wirkung auflösbare, reaktionsfähige Haltevorrichtung am Hubsauger zu schaffen.The invention is based on the problem of creating a further, simple, reactive holding device on the lifting suction device that can be quickly resolved in its effect.
Erfindungsgemäß gelöst wird das Problem gemäß den Merkmalen von Anspruch 1.According to the invention, the problem is solved according to the features of claim 1.
Der Hubsauger unterliegt einem dauerhaft nach unten zur Bogenaufnähme wirkenden Kraftpotential. Dieses dauerhaft wirkende Kraftpotential ermöglicht ein reaktionsschnelles Absenken des Hubsaugers nach Freigabe des Hubsaugers durch die Haltemittel. Nach schnellem Untergreifen des Halteansatzes am Hubsauger durch mechanische, bewegliche Haltemittel aus einer Position außerhalb des Bewegungsbereichs des Hubsaugers in eine Position unterhalb des Halteansatzes des Hubsaugers kann der Hubsauger durch einfaches Aufliegen des Halteansatzes auf dem mechanischen Mittel entgegen der Kraftwirkung des den Hubsauger nach unten beschleunigenden Kraftpotentials zurückgehalten werden. Durch Anlegen eines zweiten auf die mechanischen Haltemittel in Richtung einer Position der mechanischen Haltemittel
außerhalb des Bewegungsbereiches des Hubsaugers wirkenden Kraftpotentials, ist bereits mit Einsetzen der Lösung der die mechanischen Haltemittel entgegen diesem Kraftpotential unter den Halteansatz bewegenden Antriebsmittel ein schnelles, sofortiges Aufheben der Halterung des Hubsaugers möglich. Die pneumatisch steuerbaren Antr ebsmittel ermöglichen dabei ein reaktionsschnelles Auf- und Abbauen der dem zweiten Kraftpotential entgegenwirkenden antreibenden Kraft. Somit ist es möglich, mit einfachen Mitteln einen reaktionsschnellen Haltemechanismus für den Hubsauger in dessen angehobener Position zu schaffen. Die pneumatischen Kräfte müssen nicht, wie in der DD-29 35 62 A5, in ihrer Größenordnung so fein und genau auf das Hubsaugergewicht abgestimmt werden. Die pneumatische Steuerung kann einfacher gestaltet werden. Erforderliche Leitungen können außerhalb des direkten Hubsaugerbereichs vorgesehen werden. Den Bogent ransport störende Fehlluft kann bei geschlossenen Pneumatikkreisen vermieden, bei Pneumatikkreisen mit Blasluft oder Saufluft, die nicht unmittelbar auf den Hubsauger gerichtet sind, besser abgeschirmt werden.The lifting suction device is subject to a force potential which acts permanently downwards for the sheet take-up. This permanent force potential enables the lifting vacuum to be lowered quickly after the lifting vacuum is released by the holding means. After quickly reaching under the holding attachment on the lifting suction device by means of mechanical, movable holding means from a position outside the range of motion of the lifting suction device to a position below the holding attachment of the lifting suction device, the lifting suction device can simply be placed on the mechanical means against the force effect of the force potential of the lifting suction device, which accelerates the suction device downward be held back. By placing a second one on the mechanical holding means in the direction of a position of the mechanical holding means force potential acting outside the range of motion of the suction lifter, a rapid, immediate lifting of the holder of the lifting suction device is already possible with the onset of the solution of the drive means moving the mechanical holding means against this force potential under the holding attachment. The pneumatically controllable actuation means enable the driving force that counteracts the second force potential to be assembled and disassembled quickly. It is thus possible to use simple means to create a responsive holding mechanism for the lifting vacuum in its raised position. The size of the pneumatic forces, as in the DD-29 35 62 A5, does not have to be fine-tuned to the weight of the vacuum cleaner. The pneumatic control can be made simpler. Required lines can be provided outside the direct suction area. Incorrect air that interferes with sheet transport can be avoided with closed pneumatic circuits, and better shielded with pneumatic circuits with blown air or drinking air that are not directed directly at the vacuum cleaner.
Besonders vorteilhafte, billige und zuverlässige Ausführungsformen des Kraftpotentials beschreiben die Merkmale der Ansprüche 2 und 3.Particularly advantageous, cheap and reliable embodiments of the force potential describe the features of claims 2 and 3.
Die Merkmale von Anspruch 4 beschreiben ein bevorzugtes, einfaches mechanisches Mittel zur Halterung. Die geradlinige Verschiebbarkeit des kostengüngstigen Stifts ermöglicht dabei eine besonders reaktionsfähige, schnell lösbare Haltevorrichtung.The features of claim 4 describe a preferred, simple mechanical means for holding. The straightforward displaceability of the inexpensive pen enables a particularly reactive, quick-release holding device.
Besonders vorteilhaft ist das Merkmal der bevorzugten Ausführungsform von jpruch 5. Die direkte Verbindung des verschiebbar gelager.en Stiftes mit dem Kolben eines pneumatischen Zylinders, ermöglicht das schnelle Auf- und Abbauen der den Stift entgegen dem zweiten Kraftpotential
antreibenden Kraft. Mechanische Reakt onsve r Lüste sind minimiert. Der geschlossene Pneumatikz linder ermöglicht die Vermeidung sämtlicher Feh l luftprobleme durch das Pneumati ksystem.The feature of the preferred embodiment of jpruch 5 is particularly advantageous. The direct connection of the displaceably mounted pin to the piston of a pneumatic cylinder enables the pin to be assembled and disassembled quickly against the second force potential driving force. Mechanical reactivities are minimized. The closed pneumatic cylinder enables all pneumatic problems to be avoided by the pneumatic system.
Eine weitere Ausführungsform stellt das Merkmal von Anspruch 6 dar. Insbesondere bei räumlich eingeschränkten Platzverhältnissen ermöglicht dieses System eine reaktionsschnelle Halterung.A further embodiment represents the feature of claim 6. This system enables a responsive mounting, in particular when space is limited.
Die Merkmale von Anspruch 7 stellen bevorzugte Ausführungsformen des zweiten Kraftpotentials und der das mechanische Mittel antreibenden Kraftmittel am schwenkbar gelagerten Haken dar.The features of claim 7 represent preferred embodiments of the second force potential and the force means driving the mechanical means on the pivotably mounted hook.
Das Merkmal von Anspruch 8 stellt eine besonders einfache, insbesondere bei angelegter Vorspannung des Federelements, reaktionsschnelle Ausführungsform des Hakens dar.The feature of claim 8 represents a particularly simple, particularly responsive embodiment of the hook, especially when the spring element is applied.
Die Erfindung ist im folgenden anhand von in den Figuren 1 bis 4 dargestellten Ausführungsformen beispielhaft näher beschrieben. Hierhin zeigen:The invention is described in more detail below by way of example using the embodiments shown in FIGS. 1 to 4. Show here:
Fig. 1 Hubsaugereinheit in Seitenansicht,1 suction unit in side view,
Fig. 2 Draufsicht auf zwei beispielhaft dargestellte mi ttensymetri sehe Hubsaugereinheiten eines Saugkopfs einer Bogendruckmaschine,2 is a top view of two exemplified mi ttensymetri see suction units of a suction head of a sheet-fed printing machine,
Fig. 3 Hubsaugereinrichtung in Schnittdarstellung gemäß Schnitt III-III von Fig. 1, wobeiFig. 3 lifting suction device in a sectional view according to section III-III of Fig. 1, wherein
Fig. 3a die Hubsaugereinrichtung mit abgesenktem Hubsauger und gelöster Halteverbindung und
Fig. 3b die Hubsaugereinrichtung mit angehobenemFig. 3a, the suction device with lowered suction device and released holding connection and Fig. 3b, the suction device with raised
Hubsauger und angestellter Halteverbindung, zeigtLifting suction device and employed holding connection, shows
Fig. 4 Hubsaugereinri chung gemäß Fig. 3b mit verdrehtem HubsaugerFig. 4 Hubsaugereinri device according to FIG. 3b with a twisted suction device
Wie in Fig. 1 und 2 dargestellt ist, sind Hubsaugereinheiten 1 in bekannter Weise an einer quer zur Bogenförderri chtung einer Bogendruckmaschine oberhalb des nicht dargestellten Anlegestapels verlaufenden, in einem nicht dargestellten Saugkopf befestigten Traverse 2 befestigt. Die Hubsaugereinheiten 1 weisen in bekannter Weise einen Führungszylinder 4 auf, der an der Traverse 2 befestigt ist. Am Führungsz linder 4 ist in bekannter Weise nach unten in Richtung Anlegestapel verschiebbar ein Hubsauger 5 gelagert. Zum Anheben des Hubsaugers 5 wird ein Saugstutzen 3 des Führungszy Linders 4 in bekannter Weise mit Saugluft beaufschlagt. Durch eine Bohrung im Führungszylinder 4 werden der Zylinderraum 15 des Hubsaugers 5 und die Düsen 6 in bekannter Weise ebenfalls mit Saugluft beaufschlagt. Nach Ansaugen der Papierbogen durch die Düsen 6 erfolgt ein Anheben des Hubsaugers 5 entgegen der Wirkung der Feder 16. Der Hubsauger 5 wird aus seiner Position in Fig. 3a in eine angehobene Position gemäß Fig. 3b angehoben.As shown in FIGS. 1 and 2, lifting suction units 1 are fastened in a known manner to a traverse 2 which is mounted transversely to the sheet conveying direction of a sheet-fed printing machine above the feed pile (not shown) and is fastened in a suction head (not shown). The suction unit 1 have a guide cylinder 4 in a known manner, which is attached to the cross member 2. On the guide cylinder 4, a lifting suction device 5 is mounted in a known manner downwards in the direction of the stack. To lift the suction lifter 5, a suction nozzle 3 of the guide cylinder 4 is acted upon with suction air in a known manner. Through a bore in the guide cylinder 4, the cylinder chamber 15 of the suction lifter 5 and the nozzles 6 are also acted upon with suction air in a known manner. After the paper sheets have been sucked in through the nozzles 6, the lifting suction device 5 is raised against the action of the spring 16. The lifting suction device 5 is raised from its position in FIG. 3a to a raised position according to FIG. 3b.
Der Hubsauger 5 weist an seiner oberen Kante einen über den ganzen Umfang des Hubsaugers 5 ausgebildeten Halteansatz 13 auf. Der Hubweg ist nach oben durch Anschlagen des Ansatzes 13 und nach unten durch eine Führungsfeder 14 begrenzt.The lifting suction device 5 has on its upper edge a retaining projection 13 formed over the entire circumference of the lifting suction device 5. The stroke is limited upwards by striking the shoulder 13 and downwards by a guide spring 14.
An der Hubsaugereinri .tung ist quer zurAt the lifting suction device is transverse to
Hubsaugerbewegungsri chtung ein Pneumatikzylinder 8 befestigt, dessen Kolbenstange des Kolbens 11 als Stift 10 ausgeb ldet
ist. Der Pneumatikzylinder 8 ist in bekannter Weise über Pneumatikleitungen 9 gesteuert mit Druckluft beaufschlagt.Hubsauger Bewegungsungsri device attached a pneumatic cylinder 8, the piston rod of the piston 11 is formed as a pin 10 is. The pneumatic cylinder 8 is pressurized with compressed air in a known manner via pneumatic lines 9.
Sobald der Hubsauger 5 in seine obere Position angehoben wurde, wird der Pneumatikz linder mit Druckluft beaufschlagt, der Führungsstift 10 greift dabei aus einer Position außerhalb des Hubsaugerbewegungsberei chs, wie in Fig. 3 dargestellt ist, in eine Position innerhalb des Hubsaugerbewegungsberei chs, wie in Fig. 3b dargestellt ist, ein. Der Pneumatikzylinder ist dabei so positioniert, daß der Stift 10 unmittelbar unterhalb des Halteansatzes 13 in dem Hubbewegungsbereich eingreift. Sobald der angehobene Papierbogen von den in BogenfOrderri chtung nachgeordneten, nicht dargestellten, bekannten Schleppsaugern gänzlich aus dem Hubbewegungsbereich des Hubsaugers 5 entfernt ist, wird der Pneumatikkreis für den Pneumatikzylinder 8 in bekannter Weise entlüftet. Der Kolben 11 und somit der Stift 10 werden aufgrund der rückstellenden Kraft einer zwischen Kolben 11 und Druckz linder 8 wirkenden Druckfeder in ihre Ausgangsposition zurückgezogen. Sobald der Stift 10 den Bewegungsbereich des Hubsaugers freigibt, das heißt der Halteansatz 13 auf dem Stift 10 nicht mehr aufliegt, fällt der ebenfalls entlüftete Hubsauger 5 aufgrund seines Eigengewichtes, verstärkt durch die Federkraft der Feder 16, nach unten zur Aufnahme des nächsten Papierbogens.As soon as the suction device 5 has been raised to its upper position, the pneumatic cylinder is pressurized with compressed air, the guide pin 10 engages from a position outside the suction device movement range, as shown in FIG. 3, into a position within the suction device movement area, as in FIG Fig. 3b is shown. The pneumatic cylinder is positioned so that the pin 10 engages directly below the retaining lug 13 in the stroke range. As soon as the raised sheet of paper is completely removed from the lifting motion range of the suction device 5 by the downstream suction devices, not shown, not shown, the pneumatic circuit for the pneumatic cylinder 8 is vented in a known manner. The piston 11 and thus the pin 10 are retracted into their starting position due to the restoring force of a pressure spring acting between the piston 11 and the pressure cylinder 8. As soon as the pin 10 releases the range of motion of the lifting suction device, that is to say the holding projection 13 no longer rests on the pin 10, the lifting suction device 5, which has likewise been vented, falls downward due to its own weight, reinforced by the spring force of the spring 16, for receiving the next sheet of paper.
Es ist denkbar, die Wirkung der Feder 12 durch Umstellung der Pneumatikblasluft auf Pneumati ksaug luft zum Lösen zu verstärken.It is conceivable to increase the effect of the spring 12 by switching the pneumatic blowing air to pneumatic suction air for loosening.
Wie es in den Figuren 3 und 4 dargestellt ist, kann ein Hubsauger 5 mit üblicher Weise nicht senkrecht zur Bewegungsebene des Hubsaugers ausgebi ldeter Aufnahmeebene 17 der Lippe 7 des Hubsaugers 5 entsprechend den Betriebsanforderungen um die Hubsaugerbewegungsachse in bekannter Weise verdreht werden. Wie Fig. 4 zeigt, kann auch
bei verdrehter Aufnahmeebene ein sicheres reaktionsschnelles Halten ermöglicht werden.As shown in FIGS. 3 and 4, a lifting suction device 5 can be rotated in a known manner around the lifting suction device movement axis in a known manner, in a manner which is not normally perpendicular to the plane of movement of the lifting suction device and which is the receiving plane 17 of the lip 7 of the lifting suction device 5. 4 shows, can also a secure, responsive hold can be made possible when the receiving plane is rotated.
Denkbar ist auch anstelle des Pneumatikz linders 8 einen oberhalb des Hubsaugerbewegungsberei chs gelenkig gelagerten Haken außerhalb des Hubbewegungbereichs vorzusehen mit einem nach unten bis in den Hubsaugerbewegungsberei ch reichenden Hakenarm, wobei ein Hakenfinger als Halterung ausgebi ldet ist. Mit Hi lfe einfacher Blasluft, die beispielsweise auf einen weiteren Hebelhakenarm oberhalb des Gelenkpunktes einwirkt, könnte der Hakenfinger mit der Haltefläche in den Hubsaugerbewegungsberei ch unterhalb des Halteansatzes 13 eingeschwenkt und dort gehalten werden. Nach Beendigung der Blaswirkung könnte aufgrund des Eigengewichts des Hakens, noch verstärkt durch eine rückstellende Feder, der Haken aus einer Halteposition zurück bis außerhalb des Hubsaugerbewegungsberei chs geschwenkt werden.It is also conceivable instead of the pneumatic cylinder 8 to provide a hook articulated above the lifting suction movement area outside the lifting movement area with a hook arm reaching down into the lifting suction movement area, a hook finger being designed as a holder. With the help of simple blown air, which acts, for example, on a further lever hook arm above the articulation point, the hook finger could be pivoted with the holding surface into the lifting suction movement area below the holding projection 13 and held there. After the blowing effect had ended, the hook could be pivoted back from a holding position to outside the lifting suction movement range due to the weight of the hook, reinforced by a resetting spring.
Anstelle der Blasluft könnte ebenso Saugluft eingesetzt werden. Blasluft und Saugluft könnten oberhalb des Hubsaugerbewegungsberei chs mit einfachen Blechen abgeschirmt werden. Es ist auch denkbar, den Haken als Blattfeder auszubilden. Diese wäre aufgrund ihres geringen Eigengewichts besonders einfach mit Blasluft und Saugluft steuerbar. Die rückstellende Federkraft kann zum Lösen der Haltewirkung eingesetzt, falls erforderlich auch vorgespannt, werden.
Suction air could also be used instead of the blown air. Blown air and suction air could be shielded with simple sheets above the range of the vacuum cleaner movement. It is also conceivable to design the hook as a leaf spring. Due to its low weight, this would be particularly easy to control with blown air and suction air. The resilient spring force can be used to release the holding effect, if necessary also pre-tensioned.
Claims
PatentansprücheClaims
Anleger einer papierbogenverarbeitenden Maschine, mit Hubsaugern (5) zum Anheben der Papierbogen vom Stapel mit Mitteln zur Übernahme der angehobenen Papierbogen und zur Förderung der Papierbogen aus der angehobenenFeeder of a paper sheet processing machine, with lifting suction devices (5) for lifting the paper sheets from the stack with means for taking over the raised paper sheets and for conveying the paper sheets out of the raised
Position oberhalb des Stapels zur papierbogenverarbeitenden Einheit, mit einem nach unten in Richtung des Stapels auf demPosition above the stack towards the paper sheet processing unit, with one down towards the stack on the
Hubsauger dauerhaft wirkenden Kraftpotential (16), mit Mitteln zum zyklisch steuerbaren Anheben derLifting vacuum permanent force potential (16), with means for cyclically controllable lifting
Hubsauger entgegen dem Kraftpotential (16), mit mindestens einem Halteansatz (13) am Hubsauger (5), mit beweglichen, am Saugkopf gelagerten mechanischenVacuum lifters counter to the force potential (16), with at least one retaining attachment (13) on the vacuum lifter (5), with movable mechanical ones mounted on the suction head
Mitteln zum Halten des Hubsaugers (5) durch Untergreifen des Halteansatzes (13), wobei ein zweites dauerhaft auf die mechanischen Mittel wirkendes, dieses vom Hubsauger (5) zurückhaltendesMeans for holding the lifting suction device (5) by reaching under the holding projection (13), a second one acting permanently on the mechanical means, which holds it back from the lifting suction device (5)
Kraftpotential angelegt ist, und wobei pneumatische gesteuerte Antriebsmittel zurPower potential is applied, and wherein pneumatically controlled drive means for
Überwindung des Kraftpoten ials in Wirkverbindung zu den mechanischen Mitteln stehen.Overcoming the force potential is in operative connection with the mechanical means.
Anleger einer papierbogenverarbeitenden Maschine gemäß den Merkmalen von Anspruch 1, bei dem das zweite Kraftpotential eine Feder (12) ist.A paper sheet processing machine feeder according to the features of claim 1, wherein the second force potential is a spring (12).
Anleger einer papierbogenverarbeitenden Maschine gemäß dem Merkmal von Anspruch 1, bei der das zweite Kraftpotential ein Magnet ist.Feeder of a paper sheet processing machine according to the feature of claim 1, wherein the second force potential is a magnet.
Anleger einer papierbogenverarbeitenden Maschine gemäß dem Merkmal von Anspruch 1,
bei der die mechanischen Mittel zum Halten des Hubsaugers (5) ein in einer Ebene senkrecht zur Saugerachse verschiebbar gelagerter Stift (10) ist.Feeder of a paper sheet processing machine according to the feature of claim 1, in which the mechanical means for holding the lifting suction device (5) is a pin (10) mounted displaceably in a plane perpendicular to the suction axis.
5. Anleger einer papierbogenverarbeitenden Maschine gemäß den Merkmalen von Anspruch 4, . bei der der verschiebbar gelagerte Stift (10) die Verlängerung des Kolbens (11) eines Pneumatikzylinders (8) ist.5. feeder of a paper sheet processing machine according to the features of claim 4,. in which the displaceably mounted pin (10) is the extension of the piston (11) of a pneumatic cylinder (8).
6. Anleger einer papierbogenverarbeitenden maschine gemäß den Merkmalen von Anspruch 1, bei dem die mechanischen Mittel zum Halten des Hubsaugers (5) einen schwenkbar gelagerten Haken zum Untergreifen des Halteansatzes aufweisen.6. Feeder of a paper sheet processing machine according to the features of claim 1, in which the mechanical means for holding the lifting suction device (5) have a pivotably mounted hook for reaching under the holding attachment.
7. Anleger einer papierbogenverarbeitenden Maschine gemäß den Merkmalen von Anspruch 6,7. feeder of a paper sheet processing machine according to the features of claim 6,
- bei der der • schwenkbar gelagerte Haken einen Hakenarm mit einem nach oben gerichteten Halteansatz zum Untergreifen des Halteansatzes des Hubsaugers in dessen angehobener Position versehen ist,- in which the pivotably mounted • hook is provided a hook arm with an upwardly directed retaining shoulder for engaging beneath the retaining shoulder of the Hubsaugers in its raised position,
- bei der eine gesteuerte auf den Hakenarm wirkende Luftstromquelle vorgesehen ist, die den Hakenarm in einer Halteposition von außerhalb des- In which a controlled air flow source acting on the hook arm is provided, which the hook arm in a holding position from outside the
Hubsaugerbewegungsbere ches in den Bewegungsbereich des Hubsaugers schwenkt, so daß der Halteansatz des Hakenarms eine Halteposition unterhalb der vorgesehenen Halteposition des Halteansatzes des Hubsaugers einnimmt,Hubsauger Bewegungsungsbere ches in the range of motion of the vacuum lifter pivots so that the holding attachment of the hook arm assumes a holding position below the intended holding position of the holding attachment of the lifting suction device,
- bei der eine der Luftströmung entgegenwirkende rückstellende Feder zwischen Saugkopf und Haken vorgesehen ist.- In which a return spring counteracting the air flow is provided between the suction head and the hook.
8. Anleger einer papierbogenverarbeitenden Maschine gemäß den Merkmalen von Anspruch 6, bei der der Haken als Federelement ausgebi ldet ist.
8. feeder of a paper sheet processing machine according to the features of claim 6, wherein the hook is trained as a spring element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU49579/93A AU4957993A (en) | 1992-10-10 | 1993-09-04 | Feeder for a sheet-paper processing machine |
| EP93919273A EP0616598A1 (en) | 1992-10-10 | 1993-09-04 | Feeder for a sheet-paper processing machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4234183 | 1992-10-10 | ||
| DEP4234183.3 | 1992-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1994008881A1 true WO1994008881A1 (en) | 1994-04-28 |
Family
ID=6470147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1993/002400 WO1994008881A1 (en) | 1992-10-10 | 1993-09-04 | Feeder for a sheet-paper processing machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0616598A1 (en) |
| CN (1) | CN1088535A (en) |
| AU (1) | AU4957993A (en) |
| WO (1) | WO1994008881A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947669A (en) * | 2016-06-29 | 2016-09-21 | 廊坊盛森磨具有限公司 | Grabbing and throwing device for hole rings and trademarks |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005239307A (en) * | 2004-02-24 | 2005-09-08 | Duplo Seiko Corp | Paper processing device |
| CN102350867A (en) * | 2011-08-12 | 2012-02-15 | 河北玉田兴业印刷机械有限公司 | High-speed paper absorbing nozzle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE505634C (en) * | 1929-03-15 | 1930-08-21 | Harris Seybold Potter Company | Device for lifting sheets from stacks of paper |
| DE891267C (en) * | 1938-11-08 | 1953-09-28 | Georg Dr-Ing Spiess | Device for lifting the top sheet from a flat or round stack by means of swinging gripper nozzles |
| DE3135525A1 (en) * | 1980-10-15 | 1982-06-16 | ZVS Adamovské strojírny, koncernový podnik, Adamov | SUCTION TO SEPARATE PAPER SHEETS, IN PARTICULAR PRINTING MACHINES |
| DE4012778C1 (en) * | 1990-04-21 | 1991-05-29 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De | |
| DD293562A5 (en) * | 1989-04-14 | 1991-09-05 | ���@����������@��k�� | MOORING DEVICE |
-
1993
- 1993-09-04 EP EP93919273A patent/EP0616598A1/en not_active Withdrawn
- 1993-09-04 AU AU49579/93A patent/AU4957993A/en not_active Abandoned
- 1993-09-04 WO PCT/EP1993/002400 patent/WO1994008881A1/en not_active Application Discontinuation
- 1993-10-06 CN CN 93118482 patent/CN1088535A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE505634C (en) * | 1929-03-15 | 1930-08-21 | Harris Seybold Potter Company | Device for lifting sheets from stacks of paper |
| DE891267C (en) * | 1938-11-08 | 1953-09-28 | Georg Dr-Ing Spiess | Device for lifting the top sheet from a flat or round stack by means of swinging gripper nozzles |
| DE3135525A1 (en) * | 1980-10-15 | 1982-06-16 | ZVS Adamovské strojírny, koncernový podnik, Adamov | SUCTION TO SEPARATE PAPER SHEETS, IN PARTICULAR PRINTING MACHINES |
| DD293562A5 (en) * | 1989-04-14 | 1991-09-05 | ���@����������@��k�� | MOORING DEVICE |
| DE4012778C1 (en) * | 1990-04-21 | 1991-05-29 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947669A (en) * | 2016-06-29 | 2016-09-21 | 廊坊盛森磨具有限公司 | Grabbing and throwing device for hole rings and trademarks |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0616598A1 (en) | 1994-09-28 |
| AU4957993A (en) | 1994-05-09 |
| CN1088535A (en) | 1994-06-29 |
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