EP0894759B1 - Method for manufacturing book blocks out of different printed sheets inserted into each other, said sheets having quartersheets - Google Patents
Method for manufacturing book blocks out of different printed sheets inserted into each other, said sheets having quartersheets Download PDFInfo
- Publication number
- EP0894759B1 EP0894759B1 EP98810683A EP98810683A EP0894759B1 EP 0894759 B1 EP0894759 B1 EP 0894759B1 EP 98810683 A EP98810683 A EP 98810683A EP 98810683 A EP98810683 A EP 98810683A EP 0894759 B1 EP0894759 B1 EP 0894759B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheets
- printed
- fold
- quarter
- printed sheets
- 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
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Images
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
- B65H39/00—Associating, collating, or gathering articles or webs
- B65H39/02—Associating,collating or gathering articles from several sources
- B65H39/04—Associating,collating or gathering articles from several sources from piles
- B65H39/055—Associating,collating or gathering articles from several sources from piles by collecting in juxtaposed carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
- B65H5/14—Details of grippers; Actuating-mechanisms therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2183—Product mover including gripper means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2183—Product mover including gripper means
- Y10T83/219—Rotating or oscillating product handler
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/444—Tool engages work during dwell of intermittent workfeed
- Y10T83/463—Work-feed element contacts and moves with work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/444—Tool engages work during dwell of intermittent workfeed
- Y10T83/463—Work-feed element contacts and moves with work
- Y10T83/4635—Comprises element entering aperture in, or engaging abutment surface on, work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/647—With means to convey work relative to tool station
- Y10T83/658—With projections on work-carrier [e.g., pin wheel]
Definitions
- the invention relates to a method for the production of book blocks from different, several nested quarter sheets having printed sheets, which are successively pulled along a conveying path by gripping means of an investor from a stack of printed sheets in advance and then collated flatly against one another to form book blocks.
- book blocks are prepared for perfect binding in a collating machine.
- a collating machine discloses DE-C-31 26 769. This consists of a plurality of lay-up stations arranged along a conveying device, which individually grips the printed sheets stacked in a magazine by means of a rotating gripper drum and sets them in motion. The printed sheets reaching the conveying device approximately at right angles to their conveying flow are transported by carriers rotating around a traction device from lay-on station to lay-on station, where in each case a further printed sheet is fed or laid on until the desired book block is available.
- the object of the invention is therefore a method for the production of book blocks according to the type described at the beginning to create, with the disadvantages listed largely be resolved.
- this object is achieved in that the printed sheet approximately on the fold gripping means a deformation which at least partially penetrates the quarter arches or leave injury so that the affected Quarter arches are mutually fixed and shifts among themselves be prevented.
- the deformation or injury in one is advantageous the subsequent binding of the folding strips to be separated made so the traces of the injury are not in the bound Book block to be transferred.
- the injury to the printed sheet can preferably be caused by a Deforming, punching or perforating tool or another, the quarter arches form-fitting connecting tool become.
- At least two of the one leg become one Quarter sheet of a deformation or injury exposed so that at least a one-sided connection arises.
- the deformation or injury in the fold pitch can be expedient a printed sheet can be provided.
- the deformation or Injury could result from perforation of the adjacent quarter sheets or by punching out Divide from the quarter arch or by caulking the quarter arch respectively.
- Fig. 1 illustrates a sheet feeder 1 for the feed a conveyor line of a conveyor, not shown with folded and unfolded printed sheets 2, especially those that consist of several nested Quarter arches are formed.
- the illustrated sheet feeder 1 has a conveyor rotor 3 with one or more on the circumference arranged gripping means 4, of which usually two across the width of the conveyor rotor having an axis of rotation 8 3 are provided.
- the gripping means 4 are like pliers cooperating pliers parts 6, 7 formed, of which pliers part 7 runs in direction of rotation D.
- the gripping means 4 shown is on the way to pick up a printed sheet 2 partially lifted from the stack or to pull it out of the magazine 11 arranged approximately above the conveyor red 3.
- the printed sheets 2 from a plurality of quarter sheets inserted one inside the other are stacked in a row there and are in contact with a magazine base 12.
- a retaining pawl 13, which is controlled by the pull-off movement of the gripping means 4, holds the stack of printed sheets flush with the magazine base 12 on the separating side, the printed sheets 2 with the fold standing on an obliquely downwardly extending side wall 14 of the magazine 11.
- the printed sheet has already been gripped by a swiveling suction device 16 and the retaining pawl 13 has returned to its operating position.
- the gripping means 4 shown is in the process of grasping the printing sheet 2 partially lifted from the printing sheet stack 5 by the suction device 16, the free end of the printing sheet 2 still held in the magazine 11 having reached a position in which it is undisturbed between the pliers parts 6 , 7 stands, which are on the way to the takeover point.
- the pliers parts 6, 7 close and pull the printed sheet 2 out of the magazine 11 on its further path of movement, ie between the magazine bottom 12 and the remaining printed sheet stack 5.
- the pliers parts 6, 7 open the gripping means 4 and the printing sheet 2 moves, driven by the conveyor rotor 3, approximately perpendicular to the conveying direction on the conveying path of the conveying device, where it captured by carriers, collected to form book blocks and transported onwards.
- This passage can be read in DE - C - 31 26 769.
- the drivers cause an acceleration force on the quarter sheets located in the printed sheet 2, which can cause a displacement parallel to the fold under the latter.
- the gripping means 4 are formed by a tool 20 which violates the printing sheets 2 in the fold area and passes through the quarter sheets.
- Fig. 1 shows as a tool 20 used pointed teeth that pierce when closing the gripping means 4 in the printed sheet 2 and the quarter sheet by a burr or. fix the interweaving of the paper fibers to each other.
- a tool 20 with blunt deformation means could be used, which connect the quarter bends to each other by deformation.
- Fig. 2 shows one of several folds of folds nested Quarter sheet 19 formed sheet 2, also tabloid referred to, which has open edges on three sides.
- the fold area of the sheet 2 are two from the folds of the Quarter sheet 19 formed sheet fold approximately perpendicular Direction to the flat side of the printed sheet 2 Punctures 18 indicated, the cross section of which is illustrated in FIG. 3 is.
- Punctures 18 indicated, the cross section of which is illustrated in FIG. 3 is.
- the puncture of the tool 20 also causes a compression the quarter bend 19, so greater friction arises between the inner quarter arches 19 Slows effect under the quarter arch. This situation can be used, for example, with a narrow fold trimming before gluing a book block spine advantageous use.
- the trimming of the printed sheet 2 is by the dot-dash line Line 17 in Figs. 2 and 3 noted.
- 5 to 7 is a wider fold trim 17 than in 2 to 4 and the punctures 18 or punctures 21 are made in the parallel area of a printed sheet 2 Quarter arch 19 provided.
- the puncture 21 according to FIG. 7 in the middle of the printed sheet 2 illustrates a substantial fixation under the quarter sheet 19 in one printed sheet half.
- the printed sheet 2 in FIG. 8 was treated by a stamping tool 20 in that the fold of the printed sheet 8 was notched in places in an approximately triangular manner.
- Such or similar recesses 22 have approximately the same structure as the perforations 18 or recesses 21. Due to the protruding bones formed on the edges, there is an interweaving of the paper fibers or mutual interlocking of the quarter arches 19, which mutually lock the quarter arches 19.
- Fig. 9 mediates the formation of the recess 22 by a approximately vertical plan view, from which the one carried out from above Punching movement traceable through the trough-like recess is.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Collation Of Sheets And Webs (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Herstellung von Buchblöcken
aus verschiedenen, mehrere ineinandergesteckte Viertelbogen
aufweisenden Druckbogen, die nacheinander entlang
einer Förderstrecke durch Greifmittel eines Anlegers von einem
Druckbogenstapel falzvoran abgezogen und anschliessend flachseitig
aneinanderliegend zu Buchblöcken zusammengetragen werden.
Auf diese Weise werden u.a. Buchblöcke in einer Zusammentragmaschine
zur Klebebindung vorbereitet. Eine Zusammentragmaschine
offenbart beispielsweise die DE - C - 31 26 769. Diese
besteht aus mehreren entlang einer Fördereinrichtung angeordneten
Anlegestationen, welche die in einem Magazin gestapelten
Druckbogen mittels umlaufender Greifertrommel falzseitig einzeln
erfasst und in Bewegung versetzt. Die die Fördereinrichtung
etwa rechtwinklig zu deren Förderfluss erreichenden
Druckbogen werden von an einem Zugmittel umlaufenden Mitnehmern
von Anlegestation zu Anlegestation transportiert, wo jeweils
ein weiterer Druckbogen zugeführt bzw. aufgelegt wird,
solange bis der gewünschte Buchblock vorliegt.The invention relates to a method for the production of book blocks from different, several nested quarter sheets having printed sheets, which are successively pulled along a conveying path by gripping means of an investor from a stack of printed sheets in advance and then collated flatly against one another to form book blocks.
In this way, book blocks are prepared for perfect binding in a collating machine. A collating machine, for example, discloses DE-C-31 26 769. This consists of a plurality of lay-up stations arranged along a conveying device, which individually grips the printed sheets stacked in a magazine by means of a rotating gripper drum and sets them in motion. The printed sheets reaching the conveying device approximately at right angles to their conveying flow are transported by carriers rotating around a traction device from lay-on station to lay-on station, where in each case a further printed sheet is fed or laid on until the desired book block is available.
Die Verarbeitung von Druckbogen, die aus ineinandergesteckten
Viertelbogen gebildet sind, also drei offene Seitenkanten aufweisen,
-man bezeichnet sie auch als Tabloide-, bietet oftmals
Schwierigkeiten durch die Richtungsänderung ihrer Bewegung an
der Uebernahmestelle der Mitnehmer der Fördereinrichtung.
Durch die abrupte Richtungsänderung, bei der die Druckbogen
von einer senkrechten Bewegungsrichtung zum Falz in eine parallele
zum Falz versetzt werden, kann unter den einzelnen
Viertelbogen, insbesondere wenn sie aus leichtem Papier bestehen,
eine gegenseitige Verschiebung entstehen, die sich im
laufenden Verarbeitungsprozess nicht mehr korrigieren lässt.
Insbesondere die Viertelbogen eines oben liegenden Druckbogens
neigen aufgrund der losen Auflage zum Abheben und können u.a.
mit Hilfe von Umgebungsluft in Förderrichtung relativ zu den
andern Druckbogen verschoben werden.
Diese Unregelmässigkeiten führen zu Ausschuss und machen eine
Verarbeitung unzuverlässig.The processing of printed sheets which are formed from nested quarter sheets, that is to say have three open side edges, they are also referred to as tabloids, often presents difficulties due to the change in direction of their movement at the point of takeover of the carriers of the conveying device. Due to the abrupt change of direction, in which the printed sheets are moved from a vertical direction of movement to the fold in a parallel to the fold, a mutual shift can occur between the individual quarter sheets, especially if they consist of light paper, which can no longer be corrected in the ongoing processing process leaves. In particular, the quarter sheets of an overhead sheet tend to lift due to the loose support and can be shifted relative to the other sheets in the conveying direction with the help of ambient air.
These irregularities lead to rejects and make processing unreliable.
Aufgabe der Erfindung ist es deshalb, ein Verfahren zur Herstellung von Buchblöcken nach der eingangs beschriebenen Art zu schaffen, mit dem die aufgeführten Nachteile weitgehend behoben werden.The object of the invention is therefore a method for the production of book blocks according to the type described at the beginning to create, with the disadvantages listed largely be resolved.
Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass die die Druckbogen näherungsweise am Falz erfassenden Greifmittel eine die Viertelbogen wenigstens teilweise durchsetzende Verformung oder Verletzung hinterlassen, sodass die betroffenen Viertelbogen gegenseitig fixiert sind und Verschiebungen untereinander verhindert werden. According to the invention, this object is achieved in that the the printed sheet approximately on the fold gripping means a deformation which at least partially penetrates the quarter arches or leave injury so that the affected Quarter arches are mutually fixed and shifts among themselves be prevented.
Vorteilhaft wird die Verformung oder Verletzung in einem vor dem späteren Binden der Druckbogen abzutrennenden Falzstreifen vorgenommen, damit die Spuren der Verletzung nicht in den gebundenen Buchblock übertragen werden.The deformation or injury in one is advantageous the subsequent binding of the folding strips to be separated made so the traces of the injury are not in the bound Book block to be transferred.
Vorzugsweise kann die Verletzung der Druckbogen durch ein Verformungs-, Stanz- oder Perforationswerkzeug oder ein anderes, die Viertelbogen formschlüssig verbindendes Werkzeug erzeugt werden.The injury to the printed sheet can preferably be caused by a Deforming, punching or perforating tool or another, the quarter arches form-fitting connecting tool become.
Günstigerweise werden wenigstens zwei der einen Schenkel eines Druckbogens bildenden Viertelbogen einer Verformung oder Verletzung ausgesetzt, sodass wenigstens eine einseitige Verbindung entsteht.Favorably, at least two of the one leg become one Quarter sheet of a deformation or injury exposed so that at least a one-sided connection arises.
Zweckmässig kann die Verformung oder Verletzung in der Falzsteigung eines Druckbogens vorgesehen werden.The deformation or injury in the fold pitch can be expedient a printed sheet can be provided.
Als geeignet erweisen sich zur Durchführung des erfindungsgemässen
Verfahrens beim Zusammentragen von Druckbogen entlang
einer Förderstrecke Druckbogenanleger mit gesteuerten Greifmitteln,
die durch ein die Druckbogen beim Erfassen im Falzbereich
verletzendes Werkzeug ausgebildet sind.
Bei Greifmitteln, die zwei Zangenteile zur Bildung einer gesteuerten
Greifzange aufweisen, ist vorzugsweise wenigstens
ein Zangenteil durch ein die Druckbogen im Falzbereich verletzendes
Werkzeug ausgebildet, beispielsweise mehrere in die
Druckbogen einstechbare Nadeln oder Zähne, die beim Erfassen
eine die Viertelbogen verbindende Verformung oder Verletzung
herbeiführen.It has proven to be suitable to carry out the method according to the invention when gathering printed sheets along a conveying path, printed sheet feeders with controlled gripping means which are formed by a tool which injures the printed sheets in the fold area when they are gripped.
In the case of gripping means which have two pliers parts to form a controlled gripping pliers, at least one pliers part is preferably formed by a tool which violates the printed sheets in the fold area, for example a plurality of needles or teeth which can be inserted into the printed sheets and which, when gripped, bring about a deformation or injury connecting the quarter sheets.
Die Verformung resp. Verletzung könnte durch Perforation der aneinanderanliegenden Viertelbogen oder durch Ausstanzen von Teilen aus den Viertelbogen oder durch Verstemmen der Viertelbogen erfolgen.The deformation or Injury could result from perforation of the adjacent quarter sheets or by punching out Divide from the quarter arch or by caulking the quarter arch respectively.
Anschliessend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die bezüglich aller in der Beschreibung nicht näher erwähnten Einzelheiten ausdrücklich verwiesen wird, anhand mehrerer Ausführungsbeispiele erläutert. In der Zeichnung zeigen:
- Fig. 1
- eine Seitenansicht eines Druckbogenanlegers,
- Fig. 2
- einen Druckbogen aus der Vogelschau,
- Fig. 3
- auszugsweise den in Fig. 2 dargestellten Druckbogen in einer Längsschnittebene,
- Fig. 4
- auszugsweise eine alternative Ausführung zu Fig. 3 in einer Längsschnittebene,
- Fig. 5
- eine alternative Ausführung zu Fig. 2,
- Fig. 6
- auszugsweise den in Fig. 5 gezeigten Druckbogen in einer Längsschnittebene,
- Fig. 7
- auszugsweise eine alternative Ausführung zu Fig. 6,
- Fig. 8
- eine zu den Fig. 2 und 5 alternative Ausführung eines Druckbogens,
- Fig. 9
- auszugsweise eine Ansicht des Druckbogenrückens und
- Fig. 10
- auszugsweise einen Längsschnitt nach der Linie A - A in Fig. 9.
- Fig. 1
- a side view of a sheet feeder,
- Fig. 2
- a printed sheet from a bird's eye view,
- Fig. 3
- extracts the printed sheet shown in Fig. 2 in a longitudinal sectional plane,
- Fig. 4
- extracts an alternative embodiment to FIG. 3 in a longitudinal sectional plane,
- Fig. 5
- an alternative embodiment to Fig. 2,
- Fig. 6
- extracts the printed sheet shown in FIG. 5 in a longitudinal section plane,
- Fig. 7
- extracts an alternative embodiment to Fig. 6,
- Fig. 8
- an alternative to FIGS. 2 and 5 execution of a printing sheet,
- Fig. 9
- extracts a view of the printed sheet back and
- Fig. 10
- extracts a longitudinal section along the line AA in FIG. 9.
Fig. 1 veranschaulicht einen Druckbogenanleger 1 für die Beschickung
einer Förderstrecke einer nicht dargestellten Fördereinrichtung
mit gefalzten und ungefalzten Druckbogen 2,
insbesondere solchen, die aus mehreren ineinandergesteckten
Viertelbogen gebildet sind. Der dargestellte Druckbogenanleger
1 besitzt einen Förderrotor 3 mit einer oder mehreren am Umfang
angeordneten Greifmitteln 4, von denen üblicherweise zwei
über die Breite des eine Drehachse 8 aufweisenden Förderrotors
3 vorgesehen sind. Die Greifmittel 4 sind durch zangenartig
zusammenwirkende Zangenteile 6, 7 gebildet, von denen Zangenteil
7 in Drehrichtung D nachläuft. Im vorliegenden Ausführungsbeipiel
sind die Zangenteile an einer Welle 9, um deren
Achse 10 schwenkbar befestigt und durch Steuermittel (nicht
ersichtlich) in eine Offen- oder Schliessstellung versetzbar.Fig. 1 illustrates a sheet feeder 1 for the feed
a conveyor line of a conveyor, not shown
with folded and unfolded printed
Das dargestellte Greifmittel 4 ist unterwegs, einen teilweise
vom Stapel abgehobenen Druckbogen 2 abzuholen bzw. aus dem
etwa oberhalb des Förderrotos 3 angeordneten Magazin 11 zu
ziehen. Die Druckbogen 2 aus mehreren ineinandergesteckten
Viertelbogen sind dort stapelförmig aneinandergereiht und stehen
an einem Magazinboden 12 an. Eine Rückhalteklinke 13, die
mit der Abzugsbewegung der Greifmittel 4 gesteuert ist, hält
auf der Trennseite den Druckbogenstapel mit dem Magazinboden
12 fluchtend zurück, wobei die Druckbogen 2 mit dem Falz auf
einer schräg nach unten verlaufenden Seitenwand 14 des Magazins
11 stehen.
Unter dem Magazinboden 12 ist eine mit den Rückhalteklinken 13
im Takt der Fördertrommel 3 bzw. der Greifmittel 4 zusammenwirkende
Trennvorrichtung 15 angeordnet, die den untersten
Druckbogen 2 bei zurückgezogener Rückhalteklinke 13 vom Druckbogenstapel
5 teilweise abhebt. In Fig. 1 ist der Druckbogen
von einer schwenkbaren Saugvorrichtung 16 bereits erfasst und
die Rückhalteklinke 13 in ihre Betriebslage zurückgekehrt. Das
dargestellte Greifmittel 4 ist im Begriff, den von der Saugvorrichtung
16 teilweise vom Druckbogenstapel 5 abgehobenen
Druckbogen 2 in Falznähe zu erfassen, wobei das freie Ende des
noch im Magazin 11 gehaltenen Druckbogens 2 eine Position erreicht
hat, in der es ungestört zwischen den Zangenteilen 6, 7
steht, die sich auf dem Weg an die Uebernahmestelle befinden.
Dort schliessen sich die Zangenteile 6, 7 und ziehen auf ihrem
weiteren Bewegungsweg den Druckbogen 2 aus dem Magazin 11,
d.h. zwischen Magazinboden 12 und verbleibendem Druckbogenstapel
5 heraus.
Nach einer Drehbewegung des Förderrotors 3 um etwa 180° seit
der Uebernahme eines Druckbogens 2 öffnen die Zangenteile 6, 7
die Greifmittel 4 und der Druckbogen 2 bewegt sich, angetrieben
durch den Förderrotor 3, etwa senkrecht zur Förderrichtung
an der Förderstrecke der Fördereinrichtung, wo er von Mitnehmern
erfasst, zur Bildung von Buchblöcken gesammelt und weitertransportiert
wird. Diese Passage ist in der DE - C - 31 26
769 nachlesbar. Durch die Richtungsänderung der Druckbogen 2
beim Eintritt in die Förderstrecke verursachen die Mitnehmer
eine Beschleunigungskraft auf die sich im Druckbogen 2 befindenden
Viertelbogen, die unter letzteren eine Verschiebung
parallel zum Falz bewirken kann. Zur Verhinderung der Verschiebung
unter den Viertelbogen sind die Greifmittel 4 durch
ein die Druckbogen 2 im Falzbereich verletzendes, die Viertelbogen
durchsetzendes Werkzeug 20 ausgebildet. Die Fig. 1 zeigt
als Werkzeug 20 eingesetzte spitze Zähne, die beim Schliessen
des Greifmittels 4 in den Druckbogen 2 einstechen und die
Viertelbogen durch eine Gratbildung resp. gegenseitige Verflechtung
der Papierfasern zueinander fixieren.
Selbstverständlich könnte ein Werkzeug 20 mit stumpfen Verformungsmitteln
eingesetzt werden, die die Viertelbogen durch
Verformung miteinander verbinden.The gripping means 4 shown is on the way to pick up a printed
A separating
After a rotary movement of the
Of course, a
Fig. 2 zeigt einen aus mehreren Falz an Falz ineinandergesteckten
Viertelbogen 19 gebildeten Druckbogen 2, auch Tabloid
bezeichnet, der dreiseitig offene Kanten aufweist. Im Falzbereich
des Druckbogens 2 sind zwei den aus den Falzen der
Viertelbogen 19 gebildeten Druckbogenfalz in etwa senkrechter
Richtung zur Flachseite des Druckbogens 2 verlaufenden
Durchstiche 18 angedeutet, deren Querschnitt in Fig. 3 veranschaulicht
ist. Dabei fällt neben der Gratbildung des Durchstichs
18 zwischen den einzelnen Viertelbogen 19 auf, dass
sich der Durchstich 18 in der Falzsteigung befindet und die
drei innersten Viertelbogen 19 von ihm direkt nicht erfasst
werden. Der Durchstich des Werkzeuges 20 bewirkt auch ein Zusammenpressen
der Viertelbogen 19, sodass eine höhere Reibung
zwischen den innenliegenden Viertelbogen 19 entsteht, die einen
Verschiebeeffekt unter den Viertelbogen hemmt. Diese Situation
lässt sich beispielweise bei einem schmalen Falzbeschnitt
vor dem Beleimen eines Buchblockrückens vorteilhaft
nutzen. Der Beschnitt des Druckbogens 2 ist durch die strichpunktierte
Linie 17 in den Fig. 2 und 3 vermerkt.Fig. 2 shows one of several folds of folds nested
Fig. 4 zeigt einen durch das Werkzeug 20 hinterlassenen Einstich
21 in der Falzsteigung eines Druckbogens 2. 4 shows a puncture left by the
In den Fig. 5 bis 7 ist ein breiterer Falzbeschnitt 17 als in
den Fig. 2 bis 4 angedeutet und die Durchstiche 18 oder Einstiche
21 sind im Parallelbereich eines Druckbogens 2 aus
Viertelbogen 19 vorgesehen.5 to 7 is a wider fold trim 17 than in
2 to 4 and the
Der Einstich 21 gemäss Fig. 7 in die Mitte des Druckbogens 2
verdeutlicht eine weitgehende Fixierung unter den Viertelbogen
19 in einer Druckbogenhälfte.
Der Druckbogen 2 in Fig. 8 wurde durch ein Stanzwerkzeug 20
behandelt, indem der Falz des Druckbogens 8 stellenweise etwa
dreieckförmig ausgeklinkt wurde.
Solche oder ähnliche Ausnehmungen 22 weisen eine etwa gleiche
Struktur wie die Durch- 18 oder Einstiche 21 auf. Durch die an
den Rändern gebildeten vorstehenden Gräte entsteht eine Verflechtung
der Papierfasern, resp. ein gegenseitiges Verhaken
der Viertelbogen 19, die die Viertelbogen 19 gegenseitig arretieren.The
The printed
Such or
Fig. 9 vermittelt die Ausbildung der Ausnehmung 22 durch eine
etwa senkrechte Draufsicht, aus der die von oben durchgeführte
Stanzbewegung durch die muldenartige Vertiefung nachvollziehbar
ist.Fig. 9 mediates the formation of the
Fig. 10 veranschaulicht die alle Viertelbogen 19 des Druckbogens
2 erfassende Ausnehmung 22, die innerhalb des abzutrennenden
Falzstreifens endet.10 illustrates the all
Claims (8)
- Method of manufacturing book blocks from different printed sheets comprising a plurality of quarter sheets which are inserted into each other, and which are one after the other pulled off fold first from a stack of printed sheets along a conveying path by grabbing means of a feeder and thereafter collected flat-sidedly adjacent each other to form book blocks, characterised in that grabbing means, which grab the printed sheets near the fold, leave behind a new shape which at least partially includes the quarter sheets, or an infringement.
- Method according to Claim 1, characterised in that the reshaping or infringement of the printed sheets is carried out in a fold strip which is to be separated prior to binding.
- Method according to Claim 1 or 2, characterised in that the infringement is carried out by a reshaping, punching or perforating tool.
- Method according to one of Claims 1 to 3, characterised in that at least the side parts of the quarter sheets which form the one shank of the printed sheet are subjected to reshaping or infringement.
- Method according to one of Claims 2 to 4, characterised in that reshaping or infringement of the printed sheet is provided in the fold elevation.
- Device for carrying out the method according to Claims 1 to 5, with printed sheet feeders (1) comprising controlled grabbing means (4) arranged along a conveying path for the purpose of gathering printed sheets (2) into book blocks, characterised in that the grabbing means (4) are formed by a tool (20) which reshapes or infringes printed sheets (2) in the fold area.
- Device according to Claim 6, comprising grabbing tongs which are designed as a grabbing means (4) and incorporate two jaw sections (6, 7), characterised in that at least one tong section (6, 7) is formed by a tool (20) which reshapes or infringes the printed sheets (2) in the fold area.
- Device according to Claim 7, characterised in that the tool (20) is designed for perforating, punching or caulking.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH177597 | 1997-07-22 | ||
CH1775/97 | 1997-07-22 | ||
CH177597 | 1997-07-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0894759A1 EP0894759A1 (en) | 1999-02-03 |
EP0894759B1 true EP0894759B1 (en) | 2002-10-02 |
Family
ID=4218326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98810683A Expired - Lifetime EP0894759B1 (en) | 1997-07-22 | 1998-07-16 | Method for manufacturing book blocks out of different printed sheets inserted into each other, said sheets having quartersheets |
Country Status (4)
Country | Link |
---|---|
US (1) | US6024524A (en) |
EP (1) | EP0894759B1 (en) |
JP (1) | JP4093645B2 (en) |
DE (1) | DE59805770D1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59813367D1 (en) * | 1998-11-02 | 2006-04-13 | Grapha Holding Ag | Process for the production of printed matter |
DE19859330A1 (en) * | 1998-12-22 | 2000-07-06 | Kolbus Gmbh & Co Kg | Book block spine rounding device, in which book blocks are held clamped in rounding elements in lift motion separate from rolling out motion to preselected defined height position |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3692300A (en) * | 1971-03-02 | 1972-09-19 | Harris Intertype Corp | Feeder and folder arrangement for signature gathering machine |
DE2843831A1 (en) * | 1978-10-07 | 1980-04-17 | Meyer Rolf Fa | Sheet folding surface for printing machine - has gripper coating containing hard particles standing proud of sheet supporting surface |
CH646924A5 (en) * | 1980-07-28 | 1984-12-28 | Grapha Holding Ag | GATHERING MACHINE. |
US4958974A (en) * | 1989-08-07 | 1990-09-25 | Xerox Corporation | Damped binding apparatus |
-
1998
- 1998-07-15 US US09/115,805 patent/US6024524A/en not_active Expired - Fee Related
- 1998-07-16 EP EP98810683A patent/EP0894759B1/en not_active Expired - Lifetime
- 1998-07-16 DE DE59805770T patent/DE59805770D1/en not_active Expired - Lifetime
- 1998-07-21 JP JP20539898A patent/JP4093645B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59805770D1 (en) | 2002-11-07 |
US6024524A (en) | 2000-02-15 |
JP4093645B2 (en) | 2008-06-04 |
JPH11115343A (en) | 1999-04-27 |
EP0894759A1 (en) | 1999-02-03 |
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