EP0741098B1 - Test sheet removing - Google Patents

Test sheet removing Download PDF

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Publication number
EP0741098B1
EP0741098B1 EP96106580A EP96106580A EP0741098B1 EP 0741098 B1 EP0741098 B1 EP 0741098B1 EP 96106580 A EP96106580 A EP 96106580A EP 96106580 A EP96106580 A EP 96106580A EP 0741098 B1 EP0741098 B1 EP 0741098B1
Authority
EP
European Patent Office
Prior art keywords
sheet
front edge
devices
test sheet
delivery
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 - Lifetime
Application number
EP96106580A
Other languages
German (de)
French (fr)
Other versions
EP0741098A3 (en
EP0741098A2 (en
Inventor
Reinhard Rückert
Peter Hummel
Robert Ortner
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
Publication of EP0741098A2 publication Critical patent/EP0741098A2/en
Publication of EP0741098A3 publication Critical patent/EP0741098A3/en
Application granted granted Critical
Publication of EP0741098B1 publication Critical patent/EP0741098B1/en
Anticipated expiration legal-status Critical
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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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/585—Article switches or diverters taking samples from the main stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • 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 an apparatus and a method for taking a sample sheet according to the preamble of claims 1 and 4.
  • sheet-fed rotary printing machines printed sheets are laid out on a delivery stack. From time to time it is necessary to take a sample sheet from the stack remove to check the print result. This involves an intervention in the delivery area required. The incoming sheets are placed on auxiliary devices and an underlying sheet is pulled from the stack.
  • a device of this type is known from DE 3 230 436 A.
  • the device for Sheet deposit and sample sheet removal in sheet-fed printing machines points in one delivery a so-called re-gripper for sheets to be laid out on a printing press.
  • Farther two pneumatic auxiliary devices are provided which serve to design one To hold the bow.
  • a first auxiliary device becomes a second one Auxiliary device assigned in such a way that it is possible to have a sheet on the first To place the auxiliary device between the first and the second auxiliary device hold and place the following sheet on the second auxiliary device.
  • the arrested The sheet can then be pulled off between the auxiliary devices.
  • the auxiliary devices made of air blown in.
  • the device is relatively complicated and has a relatively large number elements to be controlled to each other.
  • the object of the invention is therefore to provide a sheet for removing large-area printed sheets Apparatus and a corresponding method to propose a safe and easy removal of the sheet allow.
  • Fig. I a chain conveyor system 1 of a sheet-fed rotary printing press a delivery stack 2 assigned.
  • a gripper 3 On the boom of the sheet-fed rotary printing machine, not shown in detail a gripper 3 is also arranged.
  • the gripper 3 consists of a pivotable holding arm 4 and a controllable pliers 5.
  • the pliers 5 takes printed sheets 6, which are delivered by gripper systems 7 to a chain conveyor system 1.
  • the Printing sheets 6 are then deposited against one or more leading edge stops 8.
  • so-called arch supports 9 are arranged, which are designed as small pneumatic cylinders.
  • the bow support 9 are in function set if test sheets can be taken from the area of the delivery stack 2.
  • the leading edge stops are simultaneously activated by suitable control mechanisms 8 pivoted from the boom stack 2.
  • Fig. 2 the situation at one of the leading edge stops 8 is in connection with one Sheet holder 9 shown in enlargement.
  • the leading edge stop is in the normal position 8 on the boom stack 2.
  • the bow support 9 is in his Rest position outside the area of the delivery stack 2. With the sheet support 9 connected or assigned to this, a blow pipe 10 is provided.
  • FIG 3 shows the situation at the start of the sample sheet removal.
  • blowpipe 10 with respect to the stack from the edge is within the scope of Assignment above and from the front edge of the Boom stack (2) and in its orientation essentially obliquely downwards optional.
  • the arrangement must ensure that the Blowing air flow S when taking the sample sheet first on the sample sheet P should be directed that the sample sheet P is then briefly blown and finally blowing air is again applied to the top.
  • the blowpipe 10 should not be a hindrance when the test sheet P is removed.
  • blowpipes 10 are arranged. It has proven to be beneficial it turned out to arrange the blowpipes 10 on the bow support 9 and them also to be coupled pneumatically with the bow support 9. Another Improvement is possible by the blow pipes 10 being adjustable in the direction. In addition, the blown air supply can be regulated or depends on the workflow be controllable.

Abstract

The device has a clustered blast air source, e.g. a nozzle or a thin blower tube (10), located in front of the front edge of the delivery stack (2). Air is directed onto the front edge, below the sheet lifter (9). Air supply to the blower tube is coupled to the control of front edge stops (8) and sheet lifters. After the front edge stops have been folded down, an air jet (S) is directed onto the area between the sheet lifters and the top of the delivery stack. The air flow forms an air pad (LP1) above the proof sheet (P). When the front edge of the sheet is lifted, part of the air flow is conducted under it, to form a second air pad (LP2).

Description

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Probebogenentnahme nach dem Oberbegriff der Patentansprüche 1 und 4. In Bogenrotationsdruckmaschinen werden bedruckte Bogen auf einem Auslegerstapel ausgelegt. Hierbei ist es von Zeit zu Zeit erforderlich einen Probebogen aus dem Stapel zu entnehmen, um das Druckergebnis zu kontrollieren. Dazu ist ein Eingriff in den Auslagebereich erforderlich. Hierbei werden die einlaufenden Bogen auf Hilfsvorrichtungen abgelegt und ein darunterliegender Bogen wird vom Stapel abgezogen.The invention relates to an apparatus and a method for taking a sample sheet according to the preamble of claims 1 and 4. In sheet-fed rotary printing machines, printed sheets are laid out on a delivery stack. From time to time it is necessary to take a sample sheet from the stack remove to check the print result. This involves an intervention in the delivery area required. The incoming sheets are placed on auxiliary devices and an underlying sheet is pulled from the stack.

Eine Vorrichtung dieser Art ist aus der DE 3 230 436 A bekannt. Die Vorrichtung zur Bogenablage und Probebogenentnahme in Bogendruckmaschinen weist in einem Ausleger einer Druckmaschine einen sogenannten Nachgreifer für auszulegende Bogen auf. Weiterhin sind zwei pneumatische Hilfsvorrichtungen vorgesehen, die dazu dienen, einen auszulegenden Bogen festzuhalten. Einer ersten Hilfsvorrichtung wird hierbei eine zweite Hilfsvorrichtung derart zugeordnet, daß es möglich ist, einen Bogen auf der ersten Hilfsvorrichtung abzulegen, ihn zwischen der ersten und der zweiten Hilfsvorrichtung zu halten und die Folgebogen auf der zweiten Hilfsvorrichtung abzulegen. Der festgehaltene Bogen kann dann zwischen den Hilfsvorrichtungen abgezogen werden. Gleichzeitig wird oberhalb und unterhalb des festgehaltenen Bogens von den Hilfsvorrichtungen aus Luft eingeblasen. Die Vorrichtung ist relativ kompliziert und weist eine große Anzahl relativ zueinander zu steuernder Elemente auf.A device of this type is known from DE 3 230 436 A. The device for Sheet deposit and sample sheet removal in sheet-fed printing machines points in one delivery a so-called re-gripper for sheets to be laid out on a printing press. Farther two pneumatic auxiliary devices are provided which serve to design one To hold the bow. A first auxiliary device becomes a second one Auxiliary device assigned in such a way that it is possible to have a sheet on the first To place the auxiliary device between the first and the second auxiliary device hold and place the following sheet on the second auxiliary device. The arrested The sheet can then be pulled off between the auxiliary devices. At the same time above and below the arch held by the auxiliary devices made of air blown in. The device is relatively complicated and has a relatively large number elements to be controlled to each other.

Aus der DE 42 13 032 A, die dem Oberbegriff des Ansprüche 1 und 4 entspricht, ist eine Einrichtung zur Probebogenentnahme in Auslagen von Druckmaschinen bekannt. In dieser Einrichtung zur Probebogenentnahme sind einem Auslagestapel im Bereich von dessen bedienungsseitiger Kante Bläser zugeordnet. Diese Bläser sind unterhalb der oberen Stapelkante angeordnet und gegen die Bogenlaufrichtung direkt auf den Stapelseitenbereich gerichtet. DE 42 13 032 A, which corresponds to the preamble of claims 1 and 4, describes a device for taking test sheets in displays of Printing machines known. In this facility for sample sheet removal are a delivery pile in the area of its operator-side edge assigned to brass players. These wind players are located below the top of the stack and directly against the direction of sheet travel directed to the stack side area.

Aufgabe der Erfindung ist es daher, eine für die Entnahme großflächiger Druckbogen vorgesehene Vorrichtung und ein entsprechen des Verfahren vorzuschlagen, die eine sichere und einfache Entnahme der Bogen gestatten.The object of the invention is therefore to provide a sheet for removing large-area printed sheets Apparatus and a corresponding method to propose a safe and easy removal of the sheet allow.

Die Lösung dieser Aufgabe gestaltet sich nach den kennzeichnenden Merkmalen der Patentansprüche 1 und 4, Hierbei ist insbesondere auf die Einfachheit der Vorrichtung abzustellen, die lediglich aus einem bzw. zwei kleinen Blasrohren besteht. Die Verfahrensweise für die Entnahme eines Bogens gestaltet sich günstig dadurch, daß sie in den ergonomischen Ablauf der Probebogenentnahme eingepaßt ist.The solution to this problem is based on the characterizing features of the claims 1 and 4, in particular the simplicity of the device, which consists of only one or two small blowpipes. The procedure for the Removal of a sheet is favorable in that it is ergonomic the sample sheet is fitted.

Die Vorrichtung und des Verfahren werden im folgenden anhand von Zeichnungen in einem Ausführungsbeispiel dargestellt. Hierbei zeigen:

Fig. 1
eine Übersicht der Bogenauslage,
Fig. 2
eine Grundposition der Probebogenentnahme,
Fig. 3
eine erste Position der Probebogenentnahme und
Fig. 4
eine zweite Position bei der Probebogenentnahme.
The device and the method are shown below with reference to drawings in one embodiment. Here show:
Fig. 1
an overview of the sheet delivery,
Fig. 2
a basic position of the sample sheet,
Fig. 3
a first position of the sample sheet and
Fig. 4
a second position when taking the sample sheet.

In Fig. list ein Kettenfördersystem 1 einer Bogenrotationsdruckmaschine einem Auslegerstapel 2 zugeordnet. Am nicht näher dargestellten Ausleger der Bogenrotationsdruckmaschine ist weiterhin ein Nachgreifer 3 angeordnet. Der Nachgreifer 3 besteht aus einem schwenkbaren Haltearm 4 und einer steuerbaren Zange 5. Die Zange 5 nimmt Druckbogen 6, die von Greifersystemen 7 an einem Kettenfördersystem 1 angeliefert werden, ab. Die Druckbogen 6 werden dann gegen einen oder mehrere Vorderkantenanschläge 8 abgelegt. Im Bereich der Vorderkantenanschläge 8 sind sogenannte Bogenhochhalter 9 angeordnet, die als kleine Pneumatikzylinder ausgebildet sind. Die Bogenhochhalter 9 werden in Funktion gesetzt, wenn Probebogen aus dem Bereich des Auslegerstapels 2 zu entnehmen sind. Durch geeignete Steuerungsmechanismen werden gleichzeitig die Vorderkantenanschläge 8 vom Auslegerstapel 2 abgeschwenkt.In Fig. Is a chain conveyor system 1 of a sheet-fed rotary printing press a delivery stack 2 assigned. On the boom of the sheet-fed rotary printing machine, not shown in detail a gripper 3 is also arranged. The gripper 3 consists of a pivotable holding arm 4 and a controllable pliers 5. The pliers 5 takes printed sheets 6, which are delivered by gripper systems 7 to a chain conveyor system 1. The Printing sheets 6 are then deposited against one or more leading edge stops 8. In the area of the front edge stops 8, so-called arch supports 9 are arranged, which are designed as small pneumatic cylinders. The bow support 9 are in function set if test sheets can be taken from the area of the delivery stack 2. The leading edge stops are simultaneously activated by suitable control mechanisms 8 pivoted from the boom stack 2.

In Fig. 2 ist die Situation an einem der Vorderkantenanschläge 8 im Zusammenhang mit einem Bogenhochhalter 9 in Vergrößerung dargestellt. In Normalposition liegt der Vorderkantenanschlag 8 am Auslegerstapel 2 an. Der Bogenhochhalter 9 befindet sich in seiner Ruheposition außerhalb des Bereiches des Auslegerstapels 2. Mit dem Bogenhochhalter 9 verbunden bzw. diesem zugeordnet, ist ein Blasrohr 10 vorgesehen.In Fig. 2 the situation at one of the leading edge stops 8 is in connection with one Sheet holder 9 shown in enlargement. The leading edge stop is in the normal position 8 on the boom stack 2. The bow support 9 is in his Rest position outside the area of the delivery stack 2. With the sheet support 9 connected or assigned to this, a blow pipe 10 is provided.

In Fig. 3 ist die Situation bei Beginn der Probebogenentnahme dargestellt. Durch Auslösen eines Signals für die Probebogenentnahme wird zunächst der Bogenhochhalter 9 aktiviert. 3 shows the situation at the start of the sample sheet removal. By triggering a signal for the sample sheet removal, the sheet holder 9 is first activated.

Dabei fährt dessen Kolben 11, der an der Vorderseite angespitzt ist, in den Bereich des Auslegerstapels 2 ein, sodaß ankommende Druckbogen 6 darauf zu liegen kommen. Daraufhin werden die Vorderkantenanschläge 8 vom Auslegerstapel 2 abgekippt. Die in der Folgezeit einlaufenden Druckbogen 6 legen sich auch weiterhin auf dem Kolben 11 des Bogenhochhalters 9 ab. Gleichzeitig mit der in den Bogenhochhalter 9 zugeführten Blasluft wird auch Blasluft zu dem Blasrohr 10 zugeführt. Dieses ist dazu entsprechend mit dem Bogenhochhalter 9 gekoppelt. Es kann aber auch eigenständig mit Blasluft versorgt werden. Das Blasrohr 10 führt nun einen Blasluftstrom S in den Spalt zwischen den Druckbogen 6, die auf dem Bogenhochhalter 9 bzw. dem Kolben 11 aufliegen und der Oberseite des Auslegerstapels 2. Damit bildet sich ein Luftpolster LP1 zwischen den hochzuhaltenden Druckbogen 6 und der Stapeloberseite. In Fig. 3 ist auch angedeutet, daß nun der oberste Druckbogen 6 auf dem Auslegerstapel 2 als Probebogen P vom Auslegerstapel 2 entnommen werden soll.Its piston 11, which is pointed at the front, moves into the area of the Boom stack 2, so that incoming printed sheets 6 come to rest on it. Thereupon the front edge stops 8 are tipped from the boom stack 2. The in the Subsequent incoming sheet 6 continue to lie on the piston 11 of the Bow holder 9 from. Simultaneously with the blowing air fed into the sheet support 9 blow air is also supplied to the blow pipe 10. This is accordingly with the Bow support 9 coupled. However, it can also be supplied with blown air independently. The blow pipe 10 now leads a blow air flow S into the gap between the printed sheets 6, which rest on the sheet support 9 or the piston 11 and the top of the boom stack 2. This forms an air cushion LP1 between those to be held up Sheet 6 and the top of the stack. In Fig. 3 is also indicated that now the uppermost printed sheet 6 on the delivery stack 2 as a test sheet P from delivery delivery 2 should be removed.

In Fig. 4 ist die Ziehbewegung des Probebogens P dargestellt. Hierbei wird durch das Anheben der Vorderkante des Probebogens P der Blasluftstrom S nun aus dem Bereich oberhalb des Probebogens P auf den Bereich unterhalb des Probebogens P und zur Oberkante des Auslegerstapels 2 gerichtet. Dadurch bildet sich zwischen dem Probebogen P und der Oberseite des Auslegerstapels 2 ein Luftpolster LP2. Da nun oberhalb des Probebogens P ein Luftpolster LP1 und unterhalb des Probebogens P ein Luftpolster LP2 vorhanden ist, kann der Probebogen P leicht und ohne an dem benachbarten Druckbogen 6 zu haften aus dem Bereich zwischen den immer noch weiter abgelegten Druckbogen 6 auf dem Bogenhochhalter 9 und der Oberkante des Auslegerstapels 2 abgezogen werden. Die bekannten Schwierigkeiten durch Anhaften von benachbarten Bogen ergeben sich hier nicht.4 shows the pulling movement of the test sheet P. This is done by lifting the leading edge of the sample sheet P the blowing air flow S now from the area above of the sample sheet P on the area below the sample sheet P and to the upper edge the boom stack 2 directed. This forms between the sample sheet P and the An air cushion LP2 on the top of the boom stack 2. Since an air cushion LP1 now lies above the test sheet P and below the sample sheet P an air cushion LP2 is present, the sample sheet P can easily and without being on the neighboring one Sheet 6 to stick from the area between the still filed Print sheet 6 on the sheet support 9 and the upper edge of the delivery stack 2 are deducted. The known difficulties of clinging to neighboring ones There are no arcs here.

Die quasi selbsttätige Steuerung der Luftzuführung zu den erforderlichen Luftpolstern LP1, LP2 vereinfacht die Arbeit erheblich und ist äußerst kostengünstig. Bei Beendung der Probebogenentnahme bzw. wenn der Probebogen P weitergezogen wird, wird die Hilfsblasluft bzw. Blasluftstrom S wieder auf den Probebogen P geleitet, so daß gerade dieser kritische, weil zu den hochgehaltenen Druckbogen 6 hin gerichtete, Bereich zum Schluß hin gut geführt ist. The quasi-automatic control of the air supply to the required air cushions LP1, LP2 simplifies the work considerably and is extremely inexpensive. When the Auxiliary blowing air becomes the sample sheet or if the sample sheet P is pulled further or blown air flow S again directed to the sample sheet P, so that this critical, because directed towards the printed sheets 6, area at the end is well managed.

Bei Beendigung der Probebogenentnahme werden die Vorderkantenanschläge 8 wieder an den Auslegerstapel 2 angeklappt. Etwas zeitversetzt dazu wird der Kolben 11 wieder in den Hochhalter 9 zurückgezogen, sodaß die hochgehaltenen Druckbogen 6 wieder auf den Auslegerstapel 2 herunterfallen. Gleichzeitig wird der Blasluftstrom S des Blasrohres 10 unterbrochen. At the end of the test sheet removal, the front edge stops 8 are turned on again the boom stack 2 folded. A little later, the piston 11 is again in the Retractor 9 withdrawn so that the printed sheets 6 held up again Boom stack 2 fall down. At the same time, the blow air flow S of the blow pipe 10 interrupted.

Die Anordnung des Blasrohres 10 gegenüber der Stapel von der kante ist im Rahmen der Zuordnung oberhalb und von der Vorderkante des Auslegerstapels (2) und in seiner Ausrichtung im wesentlichen schräg nach unten wahlfrei. Die Anordnung muß dabei aber sicherstellen, daß der Blasluftstrom S bei der Probebogenentnahme zunächst auf den Probebogen P gerichtet sein soll, daß der Probebogen P dann kurzzeitig unterblasen wird und schließlich wieder auf der Oberseite mit Blasluft beaufschlagt wird. Außerdem soll das Blasrohr 10 natürlich nicht beim Abziehen des Probebogens P hinderlich sein.The arrangement of the blowpipe 10 with respect to the stack from the edge is within the scope of Assignment above and from the front edge of the Boom stack (2) and in its orientation essentially obliquely downwards optional. The arrangement must ensure that the Blowing air flow S when taking the sample sheet first on the sample sheet P should be directed that the sample sheet P is then briefly blown and finally blowing air is again applied to the top. In addition, should the blowpipe 10, of course, should not be a hindrance when the test sheet P is removed.

Zur Verbesserung der Bogenführung können über der Breite des Auslegers mehrere Blasrohre 10 angeordnet werden. Dabei hat sich als vorteilhaft herausgestellt, die Blasrohre 10 an den Bogenhochhaltern 9 anzuordnen und sie auch pneumatisch mit den Bogenhochhaltern 9 zu koppeln. Eine weitere Verbesserung ist möglich, indem die Blasrohre 10 in der Richtung einstellbar sind. Außerdem kann die Blasluftzufuhr regelbar bzw. vom Arbeitsablauf abhängig steuerbar sein. To improve the sheet guidance can be across the width of the boom several blowpipes 10 are arranged. It has proven to be beneficial it turned out to arrange the blowpipes 10 on the bow support 9 and them also to be coupled pneumatically with the bow support 9. Another Improvement is possible by the blow pipes 10 being adjustable in the direction. In addition, the blown air supply can be regulated or depends on the workflow be controllable.

BezugszeichenlisteReference list

11
KettenfördersystemChain conveyor system
22nd
AuslegerstapelBoom stack
33rd
NachgreiferGrinders
44th
HaltearmHolding arm
55
ZangePliers
66
DruckbogenPrinted sheet
77
GreifersystemGripper system
88th
VorderkantenanschlagLeading edge stop
99
BogenhochhalterBow holder
1010th
BlasrohrBlowpipe
1111
Kolbenpiston
LP1LP1
LuftpolsterAir cushion
LP2LP2
LuftpolsterAir cushion
ss
BlasluftstromBlow air flow
PP
ProbebogenTrial sheet

Claims (4)

  1. Device for test sheet removal at a delivery of a printing press with a delivery pile (2) for printed sheets (6), front edge stops (8) arranged on this parallel to a front edge of the delivery pile (2) formed in the running direction by the printed sheets (6), furthermore with sheet hold-up devices (9) arranged opposite the front edge and directed essentially against the running direction of the printed sheets (6) and with control means for essentially common control of the movement of the front edge stops (9) and sheet hold-up devices(9) wherein at least one nozzle shaped source of compressed air is arranged in front of the front edge of the delivery pile (2) and is directed essentially in the direction towards the delivery pile (2), wherein their air supply can be linked with the control of front edge stops (8) and sheet hold-up devices (9), characterised in that the compressed air source is arranged above the front edge of the delivery pile (2) and in its orientation essentially obliquely downwards in such a fashion that the blown airstream (S) emitted from the compressed air source is directed into the region between the sheet hold-up devices (9) and the upper side of the delivery pile (2) and prior to the pulling of a test sheet (P) forms an air cushion (LP1) above the test sheet (P) and in such a fashion that on lifting up the front edge of the test sheet (P), part of the blown airstream (S) is guided below the test sheet (P) and there forms an air cushion (LP2).
  2. Device according to Claim 1, characterised in that the compressed aix source is constructed as a thin, directable blowing tube (10).
  3. Device according to Claim 1, characterised in that one or several blowing tubes (10) are arranged on the sheet hold-up devices (9) and are directed approximately parallel to their orientation towards a region below the sheet hold-up devices (9).
  4. Process for test sheet removal in a delivery of a printing press
    by introduction of sheet hold-up devices (9) into the region of a delivery pile (2) for partial holding up of printed sheets (6) fed thereto,
    by folding down front edge stops (8) to release the upper pile region of the delivery pile (2), characterised in that
    after the folding down of the front edge stops (8), a stream of blown air (S) is directed on to the region between the sheet hold-up devices (9) and the upper side of the delivery pile (2),
    in such a fashion that the blown airstream (S) prior to the pulling of a test sheet (P) forms an air cushion (LP1) above the test sheet (P) and on lifting the front edge of the test sheet (P), part of the blown airstream (S) is led under the test sheet (P) and there forms an air cushion (LP2).
EP96106580A 1995-05-03 1996-04-26 Test sheet removing Expired - Lifetime EP0741098B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19516132A DE19516132C2 (en) 1995-05-03 1995-05-03 Sample sheet collection
DE19516132 1995-05-03

Publications (3)

Publication Number Publication Date
EP0741098A2 EP0741098A2 (en) 1996-11-06
EP0741098A3 EP0741098A3 (en) 1997-08-13
EP0741098B1 true EP0741098B1 (en) 2001-06-27

Family

ID=7760917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96106580A Expired - Lifetime EP0741098B1 (en) 1995-05-03 1996-04-26 Test sheet removing

Country Status (5)

Country Link
US (1) US5810351A (en)
EP (1) EP0741098B1 (en)
JP (1) JP2685740B2 (en)
AT (1) ATE202537T1 (en)
DE (2) DE19516132C2 (en)

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DE19808309A1 (en) * 1998-02-27 1999-09-02 Roland Man Druckmasch Device for taking samples from a delivery of a sheet printing machine
DE19819688C2 (en) * 1998-05-02 2003-01-02 Koenig & Bauer Ag Device for protecting the gripper systems in the arms of printing machines
JP4189065B2 (en) † 1998-09-14 2008-12-03 株式会社小森コーポレーション Sheet receiving device in sheet-fed rotary printing press
DE19918918C2 (en) * 1999-04-27 2003-04-10 Koenig & Bauer Ag Test sheet removal device
AUPR292501A0 (en) 2001-02-07 2001-03-01 Silverbrook Research Pty. Ltd. A method and apparatus (ART100)
AU2004210570B2 (en) * 2001-02-07 2007-03-22 Memjet Technology Limited A printer that incorporates a mechanism for separating a sheet of media from a stack of sheets
AU2002227775B2 (en) * 2001-02-19 2004-06-24 Silverbrook Research Pty Ltd Apparatus for separating a sheet of print media from a stack of sheets
AU2004210571B2 (en) * 2001-02-19 2007-03-22 Zamtec Limited A printer incorporating an apparatus for separating a sheet of print media from a stack of sheets
AUPR315301A0 (en) 2001-02-19 2001-03-15 Silverbrook Research Pty. Ltd. An Apparatus (ART102)
JP4303069B2 (en) * 2003-09-18 2009-07-29 グンゼ株式会社 Signature extractor and stacker bundler
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Also Published As

Publication number Publication date
EP0741098A3 (en) 1997-08-13
JPH08310708A (en) 1996-11-26
EP0741098A2 (en) 1996-11-06
DE19516132A1 (en) 1996-11-07
JP2685740B2 (en) 1997-12-03
DE19516132C2 (en) 1997-04-17
US5810351A (en) 1998-09-22
DE59607152D1 (en) 2001-08-02
ATE202537T1 (en) 2001-07-15

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