EP0873273B1 - Folding apparatus with signature divider - Google Patents

Folding apparatus with signature divider Download PDF

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Publication number
EP0873273B1
EP0873273B1 EP96946075A EP96946075A EP0873273B1 EP 0873273 B1 EP0873273 B1 EP 0873273B1 EP 96946075 A EP96946075 A EP 96946075A EP 96946075 A EP96946075 A EP 96946075A EP 0873273 B1 EP0873273 B1 EP 0873273B1
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EP
European Patent Office
Prior art keywords
signature
folding apparatus
signatures
cutting
folding
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
EP96946075A
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German (de)
French (fr)
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EP0873273A2 (en
Inventor
Rudolf Stäb
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication of EP0873273A2 publication Critical patent/EP0873273A2/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68Reducing the speed of articles as they advance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58Article switches or diverters
    • B65H29/60Article switches or diverters diverting the stream into alternative paths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/44Moving, forwarding, guiding material
    • B65H2301/443Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/20Belts
    • B65H2404/26Particular arrangement of belt, or belts
    • B65H2404/261Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip

Definitions

  • the invention relates to a folder in one Rotary printing machine for cross folding Printed products, in particular printed products variable section length.
  • a folder 1 of a rotary printing press has a pull roller group 2 for feeding a printed and possibly longitudinally folded product strand 3.
  • a pull roller group 2 for feeding a printed and possibly longitudinally folded product strand 3.
  • the drawing roller group 2 is one of two in succession arranged cutting cylinder pairs 4; 6 existing Cross cutting device 7 is provided.
  • the first Cutting cylinder pair 4 brings into production line 3 a cross perforation cut, the remaining one Bridges through the second pair of cutting cylinders 6 be severed so that a complete cut arises.
  • Below the cross cutting device 7 a signature switch 10 arranged, all of which Product strand 3 cut signatures 41, 42, 43, 44 (Fig. 2) alternately one of two product flow paths A; B assigns.
  • Each cutting cylinder of the Cutting cylinder pair 6 and each change member 33; 34 the signature switch 10 is drivable Tape system 11; 12 surrounded.
  • the Belt systems 18, 19 and 23, 24 of the second stage of the Delay line 13; 14 are the same Peripheral speed driven as following Cylinder 28; 29.
  • Each production current path A; B closes a transverse folding device 26; 27 to the each from a z.
  • the first and second pair of cutting cylinders 4, 6 is connected to each other by means of a gear, whereby the second pair of cutting cylinders 6 z. B. one by 4 X receives higher peripheral speed.
  • the gear is connected to a motor M1.
  • Both the cross folding device 26 of the product flow path A as well as the transverse folding device 27 of the Product flow path B is each with a motor M2, M3 connected.
  • the motors M1 to M3 are three-phase motors executed and each with an electrical line each a power section 56 of a z. B. digital Drive controller 57, 58, 59 connected (Fig. 1 and 4).
  • one control part 61 of the drive controller 57, 58, 59 stands over lines with an actual value transmitter 62, 63, 64, e.g. B. rotary encoder of a rotating part 4, 31, 32 the motor transmission unit M1, M2, M3 in connection.
  • control part 61 of the Drive controller 57, 58, 59 each have an input for a line coming from a central unit 66.
  • This central unit 66 gives a central one Setpoint signal for all individual drives of the printing press out.
  • the folder works as described below.
  • the incoming product strand 3 is replaced by the first Cutting cylinder pair 4 cross-perforated, the Cutting cylinder circumference of a respective cutting length c, e.g. B. 490 mm of the signatures 41 to 44 to be cut is adapted (Fig. 2).
  • the cutting length c is z. Legs maximum cutting length; it corresponds to a distance between the on the circumference of the gripper and Folding knife cylinder 28; 29 arranged adjacent Gripper systems.
  • a peripheral speed of the first Cutting cylinder pair 4 corresponds to one Speed of the incoming product line 3.
  • transverse folding devices 26; 27 Only every second signature arrives 43, 41 and 44, 42 to a transverse folding device 26; 27. That is, the transverse folding devices 26; 27 can about half the speed of in the Pull roller group 2 of incoming product strand 3 work, d. H. with half the number of bars. That the Signature switch 10 each following first tape system 16, 17 or 21, 22 of the delay line 13 or 14 runs with one compared to the signature switch 10 so far reduced speed that about half the kinetic energy of the signatures 41 to 44 is reduced can be, the input speed to about Is reduced by 80%.
  • each Signature 43, 41 and 44, 42 by means of Delay section 13 and 14 delayed so far that the Signatures 41 to 44 each have a distance e from each other, so that these from the grippers can be detected.
  • the distance e also corresponds at the same time the length of one on the circumference of the gripper and folding knife cylinders 28 and 29 respectively Gripper device.
  • This in the Product current path A or B incoming signatures 47 to 50 are in the delay line 13 or 14 on the constant gripper spacing d plus gripper length e am Scope of the gripper and folding knife cylinders 28 and 29, respectively so delayed that the signature on its front End of a gripper bar or gripper system is detected.
  • To always have the correct position of the leading edge from one of the signatures 47 to 50 in the gripper system of To take transverse folding device 27 - also applies for one of the signatures 41 to 47 in the gripper system Transversal folder 26 - this is from the central unit 66 setpoint signal output with that of the Actual value generator 63, 64 of the transverse folding device 26, 27 output actual value signal compared.
  • each Transverse folding device 26; 27 points to each other adjustable equipment carrier so that the signatures 41st to 44 and 47 to 50 according to their cut length c can be variably folded up to d.
  • a such transverse folding device 26 and 27 is from the EP 02 57 390 B1 known. All rotatable Parts such as cylinders, rolls of the belt systems and the like. are in known side frames, not shown rotatably mounted. Instead of the gripper and Folding knife cylinder arranged grippers can equivalently punctures can also be arranged.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Description

Die Erfindung betrifft einen Falzapparat in einer Rotationsdruckmaschine zum Querfalzen von Druckprodukten, insbesondere von Druckprodukten variierbarer Abschnittslänge.The invention relates to a folder in one Rotary printing machine for cross folding Printed products, in particular printed products variable section length.

Durch die gattungsgemäße EP 00 54 963 B1 ist eine Vorrichtung mit einer Signaturweiche zum Trennen der Signaturen in zwei Signaturenpfade bekanntgeworden.Due to the generic EP 00 54 963 B1 is a Device with a signature switch to separate the Signatures become known in two signature paths.

Die EP 00 55 405 A1 beschreibt eine Bänderstrecke zum Transport und zur Verlangsamung von Falzprodukten zwischen zwei aufeinander folgenden Stationen eines Falzapparates. Dabei sind zwei aufeinander folgende, mit gegeneinander abgestuften Geschwindigkeiten angetriebene Abschnitte von Bändersystemen angeordnet.EP 00 55 405 A1 describes a belt section for Transport and slow down folding products between two successive stations one Folder. There are two consecutive, with mutually graded speeds arranged driven sections of conveyor systems.

Der Erfindung liegt die Aufgabe zugrunde, einen Falzapparat zu schaffen.The invention has for its object a To create folder.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des kennzeichnenden Teiles des Anspruches 1 gelöst.This object is achieved by the features of the characterizing part of claim 1 solved.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß bei hohen Produktionsgeschwindigkeiten eines abschnittslängenvariablen Falzapparates Beschädigungen der Signaturen auf dem Wege von den Schneideinrichtungen zu den Querfalzeinrichtungen vermieden werden, da eine Beschleunigung insbesondere von Signaturen kürzerer Abschnittslänge infolge des Aufteilens der Signaturen in zwei Produktstrompfade nicht erforderlich ist. Somit müssen kürzere Signaturen nicht wie bei den bisher bekannten Falzapparaten auf den Greiferabstand eines Sammelzylinders beschleunigt werden, da die durch die Teilung des Produktstromes entstandene Lücke zur Verlangsamung der Teilströme genutzt wird, um mit dieser reduzierten Geschwindigkeit den Querfalzvorgang auszuführen. Mithin erfolgt das Querfalzen der Signaturen in den Produktstrompfaden mit einer gegenüber der Einlaufgeschwindigkeit geringeren Geschwindigkeit, so daß die Wirkungen des Peitscheneffektes abgeschwächt sind und keine schädlichen Auswirkungen mehr auf das Falzprodukt haben.The advantages that can be achieved with the invention exist especially in that at high Production speeds one Section length variable folder damage the signatures on the way from the cutting devices to the transverse folding devices can be avoided, since a Accelerated signatures shorter Section length due to the division of the signatures into two product current paths is not required. Consequently shorter signatures do not have to be the case with previous ones known folders on the gripper spacing Collection cylinders are accelerated because of the Division of the product flow Slowing down the partial flows is used to deal with this reduced speed the cross folding process to execute. Hence the cross folding of the Signatures in the product flow paths with one opposite the running-in speed lower speed, so that the effects of the whip effect are weakened and are no longer harmful to the Have folded product.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is in the Drawing shown and will be described in more detail below described.

Es zeigen

Fig. 1
eine ausschnittsweise Seitenansicht des erfindungsgemäßen Falzapparates;
Fig. 2
eine ausschnittsweise vergrößerte Darstellung einer Signaturweiche nach Fig. 1 mit Signaturen;
Fig. 3
eine Darstellung analog Fig. 2, jedoch mit einer anderen Signaturlänge;
Fig. 4
eine schematische Darstellung einer registerhaltigen Lageregelung von Falzapparatzylinderteilen.
Show it
Fig. 1
a partial side view of the folder according to the invention;
Fig. 2
a fragmentary enlarged view of a signature switch according to Figure 1 with signatures.
Fig. 3
a representation analogous to Figure 2, but with a different signature length;
Fig. 4
a schematic representation of a register-based position control of folder cylinder parts.

Ein Falzapparat 1 einer Rotationsdruckmaschine weist eine Zugwalzengruppe 2 zum Einziehen eines bedruckten und ggf. längsgefalzten Produktstranges 3 auf. Unterhalb der Zugwalzengruppe 2 ist eine aus zwei nacheinander angeordneten Schneidzylinderpaaren 4; 6 bestehende Querschneideinrichtung 7 vorgesehen. Das erste Schneidzylinderpaar 4 bringt in den Produktionsstrang 3 einen Querperforationsschnitt ein, dessen verbleibende Stege durch das zweite Schneidzylinderpaar 6 durchgetrennt werden, so daß ein kompletter Schnitt entsteht. Unterhalb der Querschneideinrichtung 7 ist eine Signaturweiche 10 angeordnet, welche alle aus dem Produktstrang 3 geschnittenen Signaturen 41, 42, 43, 44 (Fig. 2) wechselweise einem von zwei Produktstrompfaden A; B zuordnet. Jeder Schneidzylinder des Schneidzylinderpaares 6 sowie jedes Wechselglied 33; 34 der Signaturweiche 10 ist mit einem antreibbaren Bandsystem 11; 12 umgeben. Produktstromabwärts der Signaturweiche 10 wird das Bandsystem 11; 12 durch ein zusätzliches, mit gleicher Geschwindigkeit laufendes Bandsystem 11a; 12a ergänzt. Dieses Bandsystem 11a, 12a grenzt jeweils an ein Bandsystem 17 bzw. 22 des Produktstrompfades A bzw. B an bzw. überlappt dieses. Jeder Produktstrompfad A; B besteht jeweils aus einer Verzögerungsstrecke 13; 14. Jede Verzögerungsstrecke 13; 14 ist vorzugsweise zweistufig ausgebildet und umfaßt für den Produktstrompfad A in der ersten Stufe ein Bandsystem 16, 17 und in der zweiten Stufe ein Bandsystem 18, 19 sowie für den Produktstrompfad B in der ersten Stufe ein Bandsystem 21, 22 und in der zweiten Stufe ein Bandsystem 23, 24. Alle Bandsysteme 16 bis 19 und 21 bis 24 sind separat antreibbar. Die Bandsysteme 18, 19 bzw. 23, 24 der zweiten Stufe der Verzögerungsstrecke 13; 14 sind mit der gleichen Umfangsgeschwindigkeit angetrieben wie nachfolgende Zylinder 28; 29. Jedem Produktionsstrompfad A; B schließt sich eine Querfalzeinrichtung 26; 27 an, die jeweils aus einem z. B. siebenteiligen Greifer- und Falzmesserzylinder 28; 29 sowie einem mit dem vorgenannten Zylinder 28; 29 jeweils zusammenwirkenden, z. B. siebenteiligen Falzklappenzylinder 31; 32, besteht.A folder 1 of a rotary printing press has a pull roller group 2 for feeding a printed and possibly longitudinally folded product strand 3. Below the drawing roller group 2 is one of two in succession arranged cutting cylinder pairs 4; 6 existing Cross cutting device 7 is provided. The first Cutting cylinder pair 4 brings into production line 3 a cross perforation cut, the remaining one Bridges through the second pair of cutting cylinders 6 be severed so that a complete cut arises. Below the cross cutting device 7 a signature switch 10 arranged, all of which Product strand 3 cut signatures 41, 42, 43, 44 (Fig. 2) alternately one of two product flow paths A; B assigns. Each cutting cylinder of the Cutting cylinder pair 6 and each change member 33; 34 the signature switch 10 is drivable Tape system 11; 12 surrounded. Product downstream of the Signature switch 10 becomes the belt system 11; 12 by one additional, running at the same speed Belt system 11a; 12a added. This belt system 11a, 12a borders on a belt system 17 or 22 of the Product flow paths A or B on or overlap this. Each product current path A; B consists of one Delay line 13; 14. Each delay line 13; 14 is preferably formed and comprises two stages for the product current path A in the first stage Belt system 16, 17 and in the second stage Belt system 18, 19 and for the product current path B in the first stage a belt system 21, 22 and in the second stage a belt system 23, 24. All belt systems 16 to 19 and 21 to 24 can be driven separately. The Belt systems 18, 19 and 23, 24 of the second stage of the Delay line 13; 14 are the same Peripheral speed driven as following Cylinder 28; 29. Each production current path A; B closes a transverse folding device 26; 27 to the each from a z. B. seven-part gripper and Folding knife cylinder 28; 29 and one with the aforementioned cylinder 28; 29 each interacting, e.g. B. seven-part jaw cylinder 31; 32, consists.

Die Signaturweiche 10 besteht aus einem Paar, d. h. zwei mitläufig drehbaren, zylinderförmigen Weichengliedern 33; 34, an deren Peripherie 35 jeweils ein erhöhter Kurvenabschnitt 36; 37 angeordnet ist. Eine ortsfeste Weichenzunge 40 wirkt jeweils wechselweise mit einem der beiden Kurvenabschnitte 36; 37 der zylinderförmigen, rotierbaren Weichenglieder 33; 34 zusammen, so daß Eingänge 38; 39 zu den Produktstrompfaden A; B wechselweise verschlossen werden. Die Bandsysteme 11, 12 werden in der Nähe der Signaturweiche 10 durch Leitwalzen 45, 46, 51 geführt. Eine unterhalb der Weichenzunge 40 befindliche Bandumlenkeinrichtung 52 trägt in axialer Richtung hintereinander jeweils abwechselnd Umlenkrollen für die Bänder der Bandsysteme 11a, 12a (Fig. 2 und 3).The signature switch 10 consists of a pair, i. H. two rotating, cylindrical switch sections 33; 34, at the periphery 35 of which an increased Curve section 36; 37 is arranged. A stationary Switch tongue 40 acts alternately with one of the two curve sections 36; 37 the cylindrical, rotatable switch members 33; 34 together so that Inputs 38; 39 on product flow paths A; B be locked alternately. The belt systems 11, 12 are in the vicinity of the signature switch 10 Guide rollers 45, 46, 51 out. One below the Turnout tongue 40 located band deflection device 52 carries one behind the other in the axial direction alternating pulleys for the belts of the belt systems 11a, 12a (Figs. 2 and 3).

Das erste und das zweite Schneidzylinderpaar 4, 6 ist mittels eines Getriebes miteinander verbunden, wodurch das zweite Schneidzylinderpaar 6 z. B. eine um 4 X höhere Umfangsgeschwindigkeit erhält. Das Getriebe ist mit einem Motor M1 verbunden.The first and second pair of cutting cylinders 4, 6 is connected to each other by means of a gear, whereby the second pair of cutting cylinders 6 z. B. one by 4 X receives higher peripheral speed. The gear is connected to a motor M1.

Sowohl die Querfalzeinrichtung 26 des Produktstrompfades A als auch die Querfalzeinrichtung 27 des Produktstrompfades B ist jeweils mit einem Motor M2, M3 verbunden. Die Motore M1 bis M3 sind als Drehstrommotore ausgeführt und jeweils über eine elektrische Leitung mit jeweils einem Leistungsteil 56 eines z. B. digitalen Antriebsreglers 57, 58, 59 verbunden (Fig. 1 und 4).Both the cross folding device 26 of the product flow path A as well as the transverse folding device 27 of the Product flow path B is each with a motor M2, M3 connected. The motors M1 to M3 are three-phase motors executed and each with an electrical line each a power section 56 of a z. B. digital Drive controller 57, 58, 59 connected (Fig. 1 and 4).

Jeweils ein Steuerteil 61 des Antriebsreglers 57, 58, 59 steht über Leitungen mit einem Istwertgeber 62, 63, 64, z. B. Drehwinkelgeber eines Rotationsteiles 4, 31, 32 der Motor-Gebriebeeinheit M1, M2, M3 in Verbindung.In each case one control part 61 of the drive controller 57, 58, 59 stands over lines with an actual value transmitter 62, 63, 64, e.g. B. rotary encoder of a rotating part 4, 31, 32 the motor transmission unit M1, M2, M3 in connection.

Darüberhinaus weist das Steuerteil 61 des Antriebsreglers 57, 58, 59 jeweils einen Eingang für eine von einer Zentraleinheit 66 kommenden Leitung auf. Diese Zentraleinheit 66 gibt ein zentrales Sollwertsignal für alle Einzelantriebe der Druckmaschine aus. In addition, the control part 61 of the Drive controller 57, 58, 59 each have an input for a line coming from a central unit 66. This central unit 66 gives a central one Setpoint signal for all individual drives of the printing press out.

In jedem Produktstrompfad A, B ist in Laufrichtung der Signaturen 41 bis 44 bzw. 47 bis 50 kurz vor der Querfalzeinrichtung 26, 27 ein Sensor 67, 68 angeordnet. Der Sensor 67, 68 ist über eine Leitung ebenfalls mit dem Steuerteil 61 des Antriebsreglers 58, 59 verbunden.In each product flow path A, B is the Signatures 41 to 44 or 47 to 50 shortly before Transverse folding device 26, 27 a sensor 67, 68 arranged. The sensor 67, 68 is also connected via a line the control part 61 of the drive controller 58, 59 connected.

Der Falzapparat arbeitet wie nachfolgend beschrieben. Der einlaufende Produktstrang 3 wird durch das erste Schneidzylinderpaar 4 querperforiert, wobei der Schneidzylinderumfang einer jeweiligen Schnittlänge c, z. B. 490 mm der zu schneidenden Signaturen 41 bis 44 angepaßt ist (Fig. 2). Die Schnittlänge c ist z. B. eine maximale Schnittlänge; sie entspricht einem Abstand zwischen den am Umfang des Greifer- und Falzmesserzylinders 28; 29 angeordneten benachbarten Greifersystemen. Eine Umfangsgeschwindigkeit des ersten Schneidzylinderpaares 4 entspricht dabei einer Geschwindigkeit des einlaufenden Produktstranges 3. Das zweite Schneidzylinderpaar 6 ist wie das erste Schneidzylinderpaar 4 ausgebildet und läuft etwas schneller als das erste Schneidzylinderpaar 4 und etwas langsamer als das Bandsystem 11, 12 bzw. 11a, 12a. Dadurch wird zwischen den in die Signaturweiche 10 einlaufenden Signaturen 41, 42, 43 ein Abstand e, z. B. von 20 mm gebildet (Beschleunigungsstrecke 11, 11a; 12; 12a). Der Abstand e wird zur ordnungsgemäßen Zuordnung der Signaturen 41 bis 44 zu den Produktstrompfaden A; B mittels der Kurvenabschnitte 36; 37 der zylinderförmigen Weichenglieder 33, 34 benötigt. Somit ist in jedem Produktstrompfad A bzw. B eine Signatur 43 bzw. 44 eingelaufen, die deren Hinterkante zur Vorderkante der jeweils nachfolgenden Signatur 41 bzw. 42 einen Abstand von c + 2e aufweist. Es gelangt nur jede zweite Signatur 43, 41 bzw. 44, 42 zu jeweils einer Querfalzeinrichtung 26; 27. Das heißt, die Querfalzeinrichtungen 26; 27 können etwa mit der halben Geschwindigkeit des in die Zugwalzengruppe 2 einlaufenden Produktstranges 3 arbeiten, d. h. mit halber Taktzahl. Das der Signaturweiche 10 jeweils folgende erste Bandsystem 16, 17 bzw. 21, 22 der Verzögerungsstrecke 13 bzw. 14 läuft mit einer gegenüber der Signaturweiche 10 soweit reduzierten Geschwindigkeit, daß etwa die Hälfte der kinetischen Energie der Signaturen 41 bis 44 abgebaut werden kann, wobei die Eingangsgeschwindigkeit auf etwa 80 % reduziert wird. Die jeweils nachfolgenden zweiten Bandsysteme 18, 19 bzw. 23, 24 der Verzögerungsstrecke 13 bzw. 14 laufen gegenüber den vorgeschalteten ersten Bandsystemen 16, 17 bzw. 21, 22 wiederum mit einer geringeren Geschwindigkeit, etwa 50 % der Eingangsgeschwindigkeit, und geben die Signaturen 43, 41 bzw. 44, 42 an die mit gleicher Umfangsgeschwindigkeit laufende Querfalzeinrichtung 26 bzw. 27. Somit wird jede Signatur 43, 41 bzw. 44, 42 mittels der Verzögerungsstrecke 13 bzw. 14 soweit verzögert, daß die Signaturen 41 bis 44 jeweils wieder einen Abstand e voneinander einnehmen, so daß diese von den Greifern erfaßt werden können. Der Abstand e entspricht auch gleichzeitig der Länge einer auf dem Umfang des Greifer- und Falzmesserzylinders 28 bzw. 29 angeordneten Greifereinrichtung. Zweckmäßigerweise sind die Bandsysteme 11, 11a, 12, 12a der Querschneideinrichtung 7 sowie die ersten Bandsysteme 16, 17 bzw. 21, 22 der Verzögerungsstrecke 13, 14 jeweils separat und drehzahlregelbar angetrieben. Infolge der etwa zur Hälfte reduzierten Geschwindigkeit beim Querfalzen gegenüber der Einlaufgeschwindigkeit des Produktstranges 3 wird eine Beschädigung der Falzprodukte in der Querfalzeinrichtung 26; 27 vermieden.The folder works as described below. The incoming product strand 3 is replaced by the first Cutting cylinder pair 4 cross-perforated, the Cutting cylinder circumference of a respective cutting length c, e.g. B. 490 mm of the signatures 41 to 44 to be cut is adapted (Fig. 2). The cutting length c is z. Legs maximum cutting length; it corresponds to a distance between the on the circumference of the gripper and Folding knife cylinder 28; 29 arranged adjacent Gripper systems. A peripheral speed of the first Cutting cylinder pair 4 corresponds to one Speed of the incoming product line 3. The second pair of cutting cylinders 6 is like the first Cutting cylinder pair 4 trained and something runs faster than the first pair of cutting cylinders 4 and something slower than the belt system 11, 12 or 11a, 12a. As a result, the signature switch 10 incoming signatures 41, 42, 43 a distance e, z. B. of 20 mm (acceleration path 11, 11a; 12; 12a). The distance e becomes the correct assignment the signatures 41 to 44 to the product flow paths A; B by means of the curve sections 36; 37 of the cylindrical Switch elements 33, 34 required. So in everyone Product current path A or B a signature 43 or 44 shrinked, the rear edge of which to the front edge of the each subsequent signature 41 or 42 a distance of c + 2e. Only every second signature arrives 43, 41 and 44, 42 to a transverse folding device 26; 27. That is, the transverse folding devices 26; 27 can about half the speed of in the Pull roller group 2 of incoming product strand 3 work, d. H. with half the number of bars. That the Signature switch 10 each following first tape system 16, 17 or 21, 22 of the delay line 13 or 14 runs with one compared to the signature switch 10 so far reduced speed that about half the kinetic energy of the signatures 41 to 44 is reduced can be, the input speed to about Is reduced by 80%. The following second Belt systems 18, 19 and 23, 24 of the delay line 13 and 14 run compared to the upstream first Belt systems 16, 17 and 21, 22 in turn with a slower speed, about 50% of the Input speed, and give the signatures 43, 41 or 44, 42 to those with the same peripheral speed running transverse folding device 26 and 27. Thus, each Signature 43, 41 and 44, 42 by means of Delay section 13 and 14 delayed so far that the Signatures 41 to 44 each have a distance e from each other, so that these from the grippers can be detected. The distance e also corresponds at the same time the length of one on the circumference of the gripper and folding knife cylinders 28 and 29 respectively Gripper device. These are expediently Belt systems 11, 11a, 12, 12a of the cross cutting device 7 and the first belt systems 16, 17 and 21, 22 of the Delay path 13, 14 each separately and driven with speed control. As a result of about Half reduced cross fold speed compared to the infeed speed of the product strand 3 will damage the folded products in the Transverse folding device 26; 27 avoided.

Es ist durch die EP 02 57 390 B1 bekannt, in einer Querfalzeinrichtung 26; 27 Falzprodukte unterschiedlicher Länge zu produzieren, wobei auch Abstand der Schneidleisten der Scheidzylinderpaare 4; 6 der jeweiligen Länge der Falzprodukte anpaßbar sind.It is known from EP 02 57 390 B1, in one Transverse folding device 26; 27 folding products produce different lengths, too Distance of the cutting bars of the cutting cylinder pairs 4; 6 are adaptable to the respective length of the folded products.

Bei einer möglichen Produktionsvariante beim Querfalzen werden Signaturen 47 bis 50 geringerer Länge d mittels Schneidzylinderpaaren 53; 54 geringeren Durchmessers bzw. geringeren Schneidmesserabstandes (in Fig. 1 gestrichelt dargestellt) geschnitten und der Signaturweiche 10 in einem Abstand e, wie bereits bei der ersten Ausführungsvariante beschrieben, zugeführt. Die geringere Schnittlänge d der Signaturen 47 bis 50 kann gegenüber der maximalen Länge c der Signaturen 41 bis 44 auf das z. B. 0,6-fache reduziert sein. Demzufolge entspricht der Abstand der Signaturen 47 bis 50 jeweils am Anfang jedes Produktstrompfades A oder B dem einer fehlenden Schnittlänge d plus dem Beschleunigungsabstand e (Fig. 3). Diese in den Produktstrompfad A bzw. B einlaufenden Signaturen 47 bis 50 werden in der Verzögerungsstrecke 13 bzw. 14 auf den konstanten Greiferabstand d plus Greiferlänge e am Umfang des Greifer- und Falzmesserzylinders 28 bzw. 29 so verzögert, daß die Signatur an ihrem jeweils vorderen Ende von einer Greiferleiste oder einem Greifersystem erfaßt wird. Um stets die richtige Lage der Vorderkante von einer der Signaturen 47 bis 50 im Greifersystem der Querfalzeinrichtung 27 einzunehmen - gilt gleichfalls für eine der Signaturen 41 bis 47 im Greifersystem der Querfalzeinrichtung 26 - wird das von der Zentraleinheit 66 ausgegebene Sollwertsignal mit dem von dem Istwertgeber 63, 64 der Querfalzeinrichtung 26, 27 abgegebenen Istwertsignal verglichen. Dabei wird ein von dem Sensor 67, 68 beim Passieren der Vorderkante der Signatur abgegebenes Signal überlagert. Ergibt diese Signalauswertung ein Synchronität, so wird ein Korrektursignal Null erzeugt. Liegt jedoch keine Synchronität vor, so wird ein positives oder negatives Korrektursignal erzeugt, welches über das Leistungsteil 56 des Antriebsreglers 58, 59 eine kurzzeitige Beschleunigung oder Verzögerung der Motorgeschwindigkeit auslöst. Dies geschieht solange, bis die richtige Lage der Vorderkante der Signaturen im Greifersystem hergestellt ist. Der Abstand zwischen den einzelnen auf dem Greiferzylinder 28 bzw. 29 aufliegenden Signaturen 49, 47 bzw. 50, 48 beträgt nunmehr c - d + e. Bei einer etwa zu 50 % reduzierten Umfangsgeschwindigkeit des Greiferzylinders 28 bzw. 29 gegenüber der Geschwindigkeit des einlaufenden Produktstranges 3 und einer geringeren Schnittlänge d der Signaturen 47 bis 50 sowie einem konstanten Greiferabstand c ist die erforderliche Verzögerung durch die Verzögerungsstrecke 13 bzw. 14 geringer und beträgt nur noch ca. 15 %. Somit wird in jedem der beiden Produktstrompfade A; B nur jedes zweite die Querfalzeinrichtung 26; 27 verlassende Längsfalzprodukt quergefalzt, so daß jede Querfalzeinrichtung 26; 27 nur mit halber Frequenz arbeiten muß.With a possible production variant for cross folding are signatures 47 to 50 of shorter length d by means of Pairs of cutting cylinders 53; 54 of smaller diameter or smaller cutting knife distance (in Fig. 1 shown in dashed lines) cut and the Signature switch 10 at a distance e, as already at described the first embodiment, supplied. The shorter cutting length d of the signatures 47 to 50 can compared to the maximum length c of the signatures 41 to 44 on the z. B. be reduced 0.6 times. Accordingly, the distance between the signatures 47 to 50 at the beginning of each product flow path A or B that of a missing cutting length d plus that Acceleration distance e (Fig. 3). This in the Product current path A or B incoming signatures 47 to 50 are in the delay line 13 or 14 on the constant gripper spacing d plus gripper length e am Scope of the gripper and folding knife cylinders 28 and 29, respectively so delayed that the signature on its front End of a gripper bar or gripper system is detected. To always have the correct position of the leading edge from one of the signatures 47 to 50 in the gripper system of To take transverse folding device 27 - also applies for one of the signatures 41 to 47 in the gripper system Transversal folder 26 - this is from the central unit 66 setpoint signal output with that of the Actual value generator 63, 64 of the transverse folding device 26, 27 output actual value signal compared. One of the sensor 67, 68 when passing the front edge of the Signature signal superimposed. Returns this Signal evaluation on synchronicity, so on Correction signal zero generated. However, there is none Synchronicity before, it becomes a positive or negative Correction signal generated, which via the power section 56 of the drive controller 58, 59 a short-term Acceleration or deceleration of the engine speed triggers. This happens until the correct location the front edge of the signatures in the gripper system is made. The distance between each one the gripper cylinder 28 or 29 overlying signatures 49, 47 and 50, 48 is now c - d + e. At a about 50% reduced peripheral speed of the Gripper cylinder 28 and 29 opposite the Speed of the incoming product strand 3 and a shorter cutting length d of the signatures 47 to 50 and a constant gripper distance c is the required delay due to the delay line 13 or 14 lower and is only about 15%. Consequently is in each of the two product current paths A; B only every second the transverse folding device 26; 27 leaving Longitudinal fold product folded crosswise so that each Transverse folding device 26; 27 only at half frequency Must work.

Bei einer Differenz zwischen dem von der Zentraleinheit 66 ausgegebenen Sollwertsignal und einem von dem Istwertgeber 62 der durch Getriebe verbundenen Schneidzylinderpaare 4, 6 signalisierten Istwert, wird vom Steuerteil 61 über das Leistungsteil 56 des Antriebsreglers 57 eine kurzzeitige Korrektur der Motorgeschwindigkeit veranlaßt.If there is a difference between that of the central unit 66 output setpoint signal and one of the Actual value transmitter 62 of those connected by gears Cutting cylinder pairs 4, 6 signaled actual value, is from the control section 61 via the power section 56 of the Drive controller 57 a short-term correction of the Motor speed caused.

Der Greifer- und Falzmesserzylinder 28; 29 sowie der Falzklappenzylinder 31; 32 der jeweiligen Querfalzeinrichtung 26; 27 weist jeweils zueinander einstellbare Geräteträger auf, so daß die Signaturen 41 bis 44 sowie 47 bis 50 entsprechend ihrer Schnitt Länge c bis d variierbar quergefalzt werden können. Eine derartige Querfalzeinrichtung 26 bzw. 27 ist aus der genannten EP 02 57 390 B1 bekannt. Alle rotierbaren Teile, wie Zylinder, Walzen der Bandsysteme und dgl. sind in bekannten nicht dargestellten Seitengestellen rotierbar gelagert. Statt auf den Greifer- und Falzmesserzylinder angeordneten Greifern können äquivalent auch Punkturen angeordnet sein. The gripper and folding knife cylinder 28; 29 and the Jaw cylinder 31; 32 of each Transverse folding device 26; 27 points to each other adjustable equipment carrier so that the signatures 41st to 44 and 47 to 50 according to their cut length c can be variably folded up to d. A such transverse folding device 26 and 27 is from the EP 02 57 390 B1 known. All rotatable Parts such as cylinders, rolls of the belt systems and the like. are in known side frames, not shown rotatably mounted. Instead of the gripper and Folding knife cylinder arranged grippers can equivalently punctures can also be arranged.

TeilelisteParts list

11
FalzapparatFolder
22nd
ZugwalzengruppeDraw roller group
33rd
ProduktstrangProduct line
44th
Schneidzylinderpaar, erstesCutting cylinder pair, first
55
--
66
Schneidzylinderpaar, zweitesCutting cylinder pair, second
77
QuerschneideinrichtungCross cutting device
88th
--
99
--
1010th
SignaturweicheSignature switch
1111
Bandsystem (6; 10)Belt system (6; 10)
11a11a
Bandsystem (6; 10)Belt system (6; 10)
1212th
Bandsystem (6; 10)Belt system (6; 10)
12a12a
Bandsystem (6; 10)Belt system (6; 10)
1313
Verzögerungsstrecke (A)Delay line (A)
1414
Verzögerungsstrecke (B)Delay line (B)
1515
--
1616
Bandsystem, erstes (A)Belt system, first (A)
1717th
Bandsystem, erstes (A)Belt system, first (A)
1818th
Bandsystem, zweites (A)Belt system, second (A)
1919th
Bandsystem, zweites (A)Belt system, second (A)
2020th
--
2121
Bandsystem, erstes (B)Belt system, first (B)
2222
Bandsystem, erstes (B)Belt system, first (B)
2323
Bandsystem, zweites (B)Belt system, second (B)
2424th
Bandsystem, zweites (B)Belt system, second (B)
2525th
- -
2626
Querfalzeinrichtung (A)Cross folding device (A)
2727
Querfalzeinrichtung (B)Cross folding device (B)
2828
Greifer- und Falzmesserzylinder (26)Gripper and folding knife cylinders (26)
2929
Greifer- und Falzmesserzylinder (27)Gripper and folding knife cylinders (27)
3030th
--
3131
Falzklappenzylinder (26)Jaw cylinder (26)
3232
Falzklappenzylinder (27)Jaw cylinder (27)
3333
Weichenglied, zylinderförmig (10)Point switch, cylindrical (10)
3434
Weichenglied, zylinderförmig (10)Point switch, cylindrical (10)
3535
Peripherie (33; 34)Periphery (33; 34)
3636
Kurvenabschnitt (33)Curve section (33)
3737
Kurvenabschnitt (34)Curve section (34)
3838
Eingang (A)Entrance (A)
3939
Eingang (B)Entrance (B)
4040
WeichenzungeSwitch tongue
4141
Signatur (3)Signature (3)
4242
Signatur (3)Signature (3)
4343
Signatur (3)Signature (3)
4444
Signatur (3)Signature (3)
4545
LeitwalzeGuide roller
4646
LeitwalzeGuide roller
4747
Signatur (3)Signature (3)
4848
Signatur (3)Signature (3)
4949
Signatur (3)Signature (3)
5050
Signatur (3)Signature (3)
5151
LeitwalzeGuide roller
5252
BandumlenkeinrichtungBelt deflection device
5353
Schneidzylinderpaar, erstesCutting cylinder pair, first
5454
Schneidzylinderpaar, zweites Cutting cylinder pair, second
5555
--
5656
Leistungsteil (57 bis 59)Power section (57 to 59)
5757
Antriebsregler (4, 6)Drive controller (4, 6)
5858
Antriebsregler (26)Drive controller (26)
5959
Antriebsregler (27)Drive controller (27)
6060
--
6161
Steuerteil (57 bis 59)Control section (57 to 59)
6262
Istwertgeber (6)Actual value transmitter (6)
6363
Istwertgeber (31)Actual value transmitter (31)
6464
Istwertgeber (32)Actual value transmitter (32)
6565
--
6666
ZentraleinheitCentral unit
6767
Sensor (M2)Sensor (M2)
6868
Sensor (M3)Sensor (M3)
A; BA; B
SignaturenpfadSignature path
M1M1
Motor (4, 6)Motor (4, 6)
M2M2
Motor (28, 31)Motor (28, 31)
M3M3
Motor (29, 32)Motor (29, 32)
cc
Schnittlänge (41 bis 44), GreiferabstandCutting length (41 to 44), gripper spacing
dd
Schnittlänge (47 bis 50)Cutting length (47 to 50)
ee
Abstand (41, 42 bzw. 46, 47 bzw. 46; 47 bzw. 47; 48), GreiferumfangslängeDistance (41, 42 or 46, 47 or 46; 47 or 47; 48), gripper circumference length

Claims (11)

  1. Folding apparatus for rotary printing machines, having at least one cross-folding arrangement (26) for folding separated signatures (41 to 44), the signatures (41 to 44) being divided up into two signature paths (A; B) by means of a signature diverter (10), characterized in that each of these signature paths (A; B) is designed as a deceleration section (13; 14) which can be driven at variable speed.
  2. Folding apparatus according to Claim 1, characterized in that the speeds of the deceleration sections (13; 14) can be controlled together.
  3. Folding apparatus according to Claim 1, characterized in that the speeds of the deceleration sections (13; 14) can be controlled individually.
  4. Folding apparatus according to Claims 1 to 3, characterized in that the deceleration sections (13; 14), which are located in each signature path (A; B), are designed as multi-stage deceleration sections.
  5. Folding apparatus according to Claims 1 to 3, characterized in that the deceleration sections (13; 14), which are located in each signature path (A; B), are designed as single-stage deceleration sections.
  6. Folding apparatus according to Claims 1 to 5, characterized in that deceleration sections (13; 14) comprise belt systems (16, 17; 21, 22) which can be driven at variable speed.
  7. Folding apparatus according to Claims 1 to 6, characterized in that cutting-blade spacings (c; d) of each cutting-cylinder pair (4, 6; 53, 54) of a cross-cutting arrangement (7), which is arranged upstream of the signature diverter (10), are assigned in an adaptable manner to the variable cut-off length (c; d) of the signatures (41 to 44).
  8. Folding apparatus according to Claims 1 to 7, characterized in that an acceleration section (11, 11a; 12, 12a) for the signatures (41 to 44) is arranged upstream of the signature diverter (10).
  9. Folding apparatus according to Claim 8, characterized in that the acceleration section (11; 12) respectively comprises a driveable belt system (11, 11a; 12, 12a).
  10. Folding apparatus according to Claims 1 to 9, characterized in that each signature path (A; B) has an arrangement (67; 68) for sensing a leading edge of each signature (41 to 44), as seen in the transporting direction, in relation to the angled position of the cylinder (28; 29) at only one point in time, in that, in the case of a deviation of the angled position, a correction signal is produced, and this correction signal initiates a correction of the rotational speed of the motors (M2; M3) via a drive controller (58; 59).
  11. Folding apparatus according to Claims 1 to 8, characterized in that the cross-cutting arrangement (7) has its own drive motor (M1), in that the drive motor (M1) is connected to a line [sic] part (56) of a drive controller (57), in that a control part (56) [sic] of the drive controller (57) is connected to an actual-value sensor (62) of the cross-cutting arrangement (7) and to a central processor (66), which emits a set point.
EP96946075A 1995-12-27 1996-12-12 Folding apparatus with signature divider Expired - Lifetime EP0873273B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19548815 1995-12-27
DE19548815 1995-12-27
PCT/DE1996/002390 WO1997024284A2 (en) 1995-12-27 1996-12-12 Folding apparatus with signature divider

Publications (2)

Publication Number Publication Date
EP0873273A2 EP0873273A2 (en) 1998-10-28
EP0873273B1 true EP0873273B1 (en) 2000-04-12

Family

ID=7781476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96946075A Expired - Lifetime EP0873273B1 (en) 1995-12-27 1996-12-12 Folding apparatus with signature divider

Country Status (5)

Country Link
US (1) US6019714A (en)
EP (1) EP0873273B1 (en)
JP (1) JPH11507903A (en)
DE (1) DE59604973D1 (en)
WO (1) WO1997024284A2 (en)

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DE102004015963A1 (en) * 2004-04-01 2005-11-10 Koenig & Bauer Ag Systems with alternative processing lines for further processing of products, longitudinal folder and method for synchronous operation of a folder
DE102022111571A1 (en) 2022-05-10 2023-11-16 Manroland Goss Web Systems Gmbh Folder of an offset web printing machine and offset web printing machine

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JP3835933B2 (en) * 1998-02-27 2006-10-18 三菱重工業株式会社 Folding machine signature transport device
FR2779709B1 (en) * 1998-06-11 2000-09-01 Heidelberger Druckmasch Ag NOTEBOOK SLOWING DEVICE
US6394445B1 (en) * 1998-12-30 2002-05-28 Quad/Tech, Inc. Apparatus for slowing down and guiding a signature and method for doing the same
US6612213B1 (en) * 1999-11-08 2003-09-02 Heidelberger Druckmaschinen Ag Double-cut lobed belt diverter
DE10009263A1 (en) * 2000-02-26 2001-08-30 Roland Man Druckmasch Process for producing folded products and folding apparatus therefor
US6752751B2 (en) * 2001-02-23 2004-06-22 Heidelberger Druckmaschinen Ag Folder with multiple-motor drive
DE10116346B4 (en) 2001-04-02 2006-03-02 Koenig & Bauer Ag folding
DE10206578C1 (en) * 2002-02-18 2003-09-18 Koenig & Bauer Ag Folder with a folding cylinder
US6644193B2 (en) 2002-03-12 2003-11-11 Elsner Engineering Works, Inc. Web cutting tuck folding machine and method
CN100581966C (en) * 2003-12-12 2010-01-20 三菱重工业株式会社 Folder for rotary press
JP2005314089A (en) * 2004-04-30 2005-11-10 Komori Corp Conveyance device
DE102005033572B4 (en) * 2005-07-19 2016-02-11 Manroland Web Systems Gmbh Folder of a printing machine
US7532990B2 (en) * 2005-10-04 2009-05-12 Goss International Americas, Inc. System and method for press signature tracking and data association
DE102009039278A1 (en) * 2009-08-28 2011-06-01 Manroland Ag Format variable web press
DE202010003084U1 (en) * 2010-03-02 2010-05-27 Heidelberger Druckmaschinen Ag Sheet guiding device and sheet folding machine with such a sheet guiding device
US20140121091A1 (en) * 2012-10-26 2014-05-01 Kabushiki Kaisha Tokyo Kikai Seisakusho Variable cutoff folding device and printer comprising variable cutoff folding device
CN109572163B (en) * 2018-12-31 2020-06-30 高斯图文印刷系统(中国)有限公司 Rotary folding device with variable cutting specifications and folding method

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Publication number Priority date Publication date Assignee Title
DE102004015963A1 (en) * 2004-04-01 2005-11-10 Koenig & Bauer Ag Systems with alternative processing lines for further processing of products, longitudinal folder and method for synchronous operation of a folder
US7575545B2 (en) 2004-04-01 2009-08-18 Koenig & Bauer Aktiengesellschaft Longitudinal folding device
DE102022111571A1 (en) 2022-05-10 2023-11-16 Manroland Goss Web Systems Gmbh Folder of an offset web printing machine and offset web printing machine

Also Published As

Publication number Publication date
WO1997024284A3 (en) 1997-08-14
JPH11507903A (en) 1999-07-13
DE59604973D1 (en) 2000-05-18
US6019714A (en) 2000-02-01
WO1997024284A2 (en) 1997-07-10
EP0873273A2 (en) 1998-10-28

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