EP1522515B1 - Longitudinal folder - Google Patents

Longitudinal folder Download PDF

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Publication number
EP1522515B1
EP1522515B1 EP04104360A EP04104360A EP1522515B1 EP 1522515 B1 EP1522515 B1 EP 1522515B1 EP 04104360 A EP04104360 A EP 04104360A EP 04104360 A EP04104360 A EP 04104360A EP 1522515 B1 EP1522515 B1 EP 1522515B1
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EP
European Patent Office
Prior art keywords
reversing roller
stationary
roller
longitudinal folder
rollers
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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.)
Not-in-force
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EP04104360A
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German (de)
French (fr)
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EP1522515A1 (en
Inventor
Burkard Herbert
Stefan Wander
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Koenig and Bauer AG
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Koenig and Bauer AG
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Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to DE202004020754U priority Critical patent/DE202004020754U1/en
Publication of EP1522515A1 publication Critical patent/EP1522515A1/en
Application granted granted Critical
Publication of EP1522515B1 publication Critical patent/EP1522515B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00Folding thin material
    • B65H45/12Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • B65H45/221Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement incorporating folding triangles

Definitions

  • the invention relates to a longitudinal folding device according to the preamble of claim 1.
  • Conventional longitudinal folding devices comprise a former, on the nose of which a folding roller pair is generally arranged, the gap of which forms an exit for a path folded longitudinally in the former. This exit is oriented transversely to a plane in which the still unfelted web is introduced into the former.
  • Many folding devices comprise at least two side-by-side folding hoppers, each of which serves to fold a partial web obtained by slitting an original web in a cutting device upstream of the longitudinal folder.
  • the two or more partial webs leave such a longitudinal cutting device immediately adjacent to each other.
  • the former In order to obtain from the partial webs in each case a longitudinally folded web with sides of equal width on both sides of the fold line, the former must be placed so that the plane defined by the gap of the folding rolls the center to be folded partial webs.
  • the folded web emerging from the former also has to be continued in the plane of the nip, so that unequal pulling forces acting on the two halves of the folded web lead to slippage of the fold line.
  • the at least two formers of such a device must be displaceable relative to one another to form a symmetrical fold even with changing web widths to allow.
  • a structure has been proposed in DE 100 030 25 C1, in which beyond the output formed by the folding rollers a displaceable together with the former, which is arranged by the gap of the folding rollers defined plane contacting deflection roller is arranged.
  • the wrap angle of the folded webs on these guide rollers is small. Accordingly, a large distance between the guide rollers of the former and a collection point is required at which the folded webs meet for further processing.
  • DE 668 877 C shows an adjustable double folding hopper for rotary printing presses, in which arranged below the folding rollers guide rollers are displaceable with the former.
  • EP 0 699 524 A2 discloses electric motor driven deflection rollers.
  • the invention has for its object to provide a Leksfalzvorraum.
  • the advantages achieved by the invention are in particular that their guide rollers, since they are driven, allow a large angle of wrap through the folded material webs, so that the distance between these guide rollers and the collection point at which the folded material webs meet, can be kept small ,
  • the longitudinal folding device can therefore be built very compact.
  • an engine preferably coupled to the stationary guide roller.
  • Such a motor may be mounted coaxially with the stationary guide roller, which generally requires placing the motor outside side frame plates of the longitudinal folder.
  • a particularly good space utilization is often achievable by a motor is coupled to the fixed guide roller by a gear or belt drive. This allows in particular to drive the stationary guide rollers of two or more formers by a common motor. Such a motor is preferably arranged between the two stationary guide rollers.
  • the displaceable guide roller is associated with its associated stationary guide roller preferably via a pivot arm whose pivot axis coincides with the axis of the stationary guide roller. So that this swivel arm automatically follows each adjustment movement of the former with respect to each other, preferably a portion of the swivel arm is fixed to a driver of its associated former parallel to the plane defined by the gap of the folding rollers and transversely fixed to this plane.
  • Fig. 1 shows a schematic longitudinal section through a first embodiment of the longitudinal folding apparatus.
  • One recognizes the lower areas of two formers 01; 02, at the lower apex or exit of each folding rollers 03; 04, z. B. a pair of folding rollers 03; 04 is arranged.
  • the gap between the folding rollers 03; 04 of each pair defines a drawn in Fig 1 as a dotted line level 12; 13, which are tangent to the surfaces of both folding rollers 03; 04 is oriented.
  • the formers 01; 02 and the respectively associated with them Falzwalzencru 03; 04 are each mounted in a frame 06, with respect to a (not shown) frame of the longitudinal folding device transversely to the by the Falzwalzencrue 03; 04 defined levels 12; 13 is displaceable.
  • Each frame 06 carries a driver 07, here in the form of a downwardly open U, between the legs of a pin 08 of a pivot arm 09; 11 engages.
  • the pin 08 is vertically movable (parallel to the planes 12, 13) between the legs of the carrier 07 and held in a direction perpendicular to these planes.
  • each pivot arm 09; 11 carries one to the adjacent stationary guide roller 14; 15 parallel roller 16; 17, z. B. guide roller 16; 17.
  • the guide roller 16; 17 is in each case in such a position on the pivot arm 09; 11 attached to one of the levels 12; 13 touched.
  • a folded in the former 01 and 02 material web 18; 19, z. B. paper web 18; 19 thus passes even after their passage through the folding roller pair 03 and 04 in the Level 12 or 13, until it reaches the guide roller 16 and 17 respectively.
  • the stationary guide rollers 14 and 15 are of the folded web 18; 19 wrapped at an angle of about 50 to 80 degrees.
  • the stationary guide rollers 14; 15 from the two webs 18 run; 19 on a gathering point formed by a pair of rollers 21 where they are placed one above the other, for example, to be fed to a downstream (not shown) cross cutter or Querfalzapparat.
  • the two stationary guide rollers 14; 15 are driven by a common motor 22, between the guide rollers 14; 16 on the one hand and 15; 17 on the other hand or guided by them webs 18; 19 is arranged.
  • a pulley of the motor 22 is of two belts 23; 24, of which the one belt 24 surrounds the pulley of the motor 22 and a pulley of the stationary guide roller 15 and the other belt 23 surrounding the pulley of the guide roller 14 is held pressed against the pulley of the motor 22 by two auxiliary rollers 26.
  • the rotational drive force of the motor 22 is applied to the pivotable guide rollers 16; 17 each by means of a belt 27; 28 further transferred to the pulley of the stationary guide roller 14; 15 and around two auxiliary rollers 29 is laid around, on different sides of the pivotable guide roller 16; 17 are arranged and fixedly mounted on the pivot arm 09 and 11 to the belt 27; 28 to press from the outside against the pivotable guide roller 16 and 17 and this with a direction of rotation the adjacent stationary roller 14; 15 opposite direction of rotation to drive.
  • Fig. 2 shows the longitudinal folding device of Figure 1 in a configuration for folding two webs of material 18. 19, which are formed by longitudinal cutting of an original material web, which is narrower than in the case of Figure 1.
  • the center lines of the material webs 18; 19, along which it is necessary to fold, are therefore closer to one another than in the case of FIG. 1, and accordingly the two formers 01 are; 02 shifted towards each other.
  • pivoting of the pivot arms 09; 11 also brings a slight displacement of the mounted on them pivotable guide rollers 16; 17 with them, but this shift is transverse to the levels 12; 13 so low that it can be further assumed that each of the pivotable guide rollers 16; 17, the plane 12 or 13 of the folding roller pair 03 and 04, where it is arranged, touched.
  • pivotable guide rollers 16; 17 and the stationary guide rollers 14; 15 is a significant deflection of the material webs 18; 19 from the levels 12; 13 to recognize.
  • Figures 3 and 4 show a second embodiment of the longitudinal folding device, again in Figure 3 in a configuration for processing wide web of material 18. 19 and in 4 in a configuration for processing narrow webs of material 18; 19.
  • Two stationary guide rollers 14; 15, whose axes each have the pivot center of one of the pivot arms 09; 11 form, and on the pivot arms 09; 11 mounted pivotable guide rollers 16; 17 are here on the same pages in each case from the formers 01; 02 leaking material webs 18; 19 mounted.
  • the guide rollers 14; 16 and 15, respectively; 17 rotate in the same direction. This is done with a coupling by belt 27; 28 accomplished, the pulleys of adjacent guide rollers 14; 16 and 15, respectively; 17 are laid around.
  • Each of the fixed guide rollers 14; 15 here is a separate motor 22 associated with it, with the help of a to a pulley of the motor 22 and a pulley of the guide roller 14; 15 wrapped belt 23; 24 rotates.
  • the belts 23; 24 press simultaneously against an auxiliary roll 31; 32, which forms a gap together with the adjacent stationary deflection roller 14 or 15, through which the material web 18; 19 runs.
  • the auxiliary rollers 31; 32 thus exercise on the respective outer side of the material webs 18; 19 is a tensile or braking force from the guide rollers 14; 16 and 15, respectively; 17 compensates for force exerted on the inner sides and so for an accurate promotion of the material webs 18; 19 without tilting or sideways avoidance.
  • the material webs 18; 19 can be combined as already described to form one strand in the roller pair 21 or at least one material web 18 or 19 or both material webs 18; 19 can also outwardly only the roller 16 or 17 touching on a further rollers 33; 34 are guided (see Figs. 1 and 2, shown in phantom).
  • each of the two sliding guide rollers 16; 17 may be provided a separate electric motor, which then preferably with the associated formers 01; 02 are displaceable.
  • All motors are independent of a drive, in particular of one or more electric motors of a downstream Querfalzapparates, in particular of a drive of a knife cylinder.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Abstract

A longitudinal folding assembly has two folding formers, whose outlet is formed by a pair of folding rollers, and which is adjustable in a transverse direction to the roller axles. Each folding former has a reversing roller that slides with the former. The sliding reversing roller can be swung on an axis about the fixed roller axis. These rollers are powered by a single motor.

Description

Die Erfindung betrifft eine Längsfalzvorrichtung gemäß dem Oberbegriff des Anspruches 1.The invention relates to a longitudinal folding device according to the preamble of claim 1.

Herkömmliche Längsfalzvorrichtungen umfassen einen Falztrichter, an dessen Nase im allgemeinen ein Falzwalzenpaar angeordnet ist, dessen Spalt einen Ausgang für eine in dem Falztrichter längs gefalzte Bahn bildet. Dieser Ausgang ist quer zu einer Ebene orientiert, in der die noch ungefalzte Bahn in den Falztrichter eingeführt wird.Conventional longitudinal folding devices comprise a former, on the nose of which a folding roller pair is generally arranged, the gap of which forms an exit for a path folded longitudinally in the former. This exit is oriented transversely to a plane in which the still unfelted web is introduced into the former.

Viele Falzvorrichtungen umfassen wenigstens zwei derartige Falztrichter nebeneinander, von denen jeder dazu dient, eine Teilbahn zu falzen, die durch Längsschneiden einer ursprünglichen Bahn in einer der Längsfalzvorrichtung vorgelagerten Schneideinrichtung erhalten ist.Many folding devices comprise at least two side-by-side folding hoppers, each of which serves to fold a partial web obtained by slitting an original web in a cutting device upstream of the longitudinal folder.

Die zwei oder mehr Teilbahnen verlassen eine solche Längsschneideinrichtung unmittelbar nebeneinander liegend. Um aus den Teilbahnen jeweils eine längsgefaltete Bahn mit gleich breiten Seiten beiderseits der Falzlinie zu erhalten, müssen die Falztrichter so platziert sein, dass die durch den Spalt der Falzwalzen definierte Ebene die zu falzenden Teilbahnen mittig schneidet. Auch die aus dem Falztrichter austretende gefalzte Bahn muss in der Ebene des Spalts weitergeführt werden, damit nicht ungleiche an den zwei Hälften der gefalzten Bahn angreifende Zugkräfte zu einem Verrutschen der Falzlinie führen.The two or more partial webs leave such a longitudinal cutting device immediately adjacent to each other. In order to obtain from the partial webs in each case a longitudinally folded web with sides of equal width on both sides of the fold line, the former must be placed so that the plane defined by the gap of the folding rolls the center to be folded partial webs. The folded web emerging from the former also has to be continued in the plane of the nip, so that unequal pulling forces acting on the two halves of the folded web lead to slippage of the fold line.

Wenn aus Materialbahnen unterschiedlicher Breite erzeugte Teilbahnen in einer solchen Längsfalzvorrichtung gefalzt werden sollen, müssen die wenigstens zwei Falztrichter einer solchen Vorrichtung gegeneinander verschiebbar sein, um eine symmetrische Falzung auch bei wechselnden Bahnbreiten zu ermöglichen. Um auch bei wechselnden Abständen der Falztrichter zu gewährleisten, dass die aus den Falztrichtern austretenden gefalzten Bahnen in der Ebene des Spalts der Falzwalzen weitergeführt werden, ist in DE 100 030 25 C1 ein Aufbau vorgeschlagen worden, bei dem jenseits des von den Falzwalzen gebildeten Ausgangs eine zusammen mit dem Falztrichter verschiebbare, die vom Spalt der Falzwalzen definierte Ebene berührende Umlenkwalze angeordnet ist. Der Umschlingungswinkel der gefalzten Bahnen an diesen Umlenkwalzen ist klein. Dementsprechend ist ein großer Abstand zwischen den Umlenkwalzen der Falztrichter und einem Sammelpunkt erforderlich, an welchem die gefalzten Bahnen zur Weiterverarbeitung aufeinandertreffen.If partial webs produced from webs of different widths are to be folded in such a longitudinal folder, the at least two formers of such a device must be displaceable relative to one another to form a symmetrical fold even with changing web widths to allow. In order to ensure even with varying distances of the former, that the emerging from the formers folded webs are continued in the plane of the nip of the folding rollers, a structure has been proposed in DE 100 030 25 C1, in which beyond the output formed by the folding rollers a displaceable together with the former, which is arranged by the gap of the folding rollers defined plane contacting deflection roller is arranged. The wrap angle of the folded webs on these guide rollers is small. Accordingly, a large distance between the guide rollers of the former and a collection point is required at which the folded webs meet for further processing.

Die DE 668 877 C zeigt einen verstellbaren Doppelfalztrichter für Rotationsdruckmaschinen, bei dem unterhalb der Falzwalzen angeordnete Umlenkwalzen mit dem Falztrichter verschiebbar sind.DE 668 877 C shows an adjustable double folding hopper for rotary printing presses, in which arranged below the folding rollers guide rollers are displaceable with the former.

Die EP 0 699 524 A2 offenbart elektromotorisch angetriebene Umlenkwalzen.EP 0 699 524 A2 discloses electric motor driven deflection rollers.

Der Erfindung liegt die Aufgabe zugrunde, eine Längsfalzvorrichtung zu schaffen.The invention has for its object to provide a Längsfalzvorrichtung.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass ihre Umlenkwalzen, da sie angetrieben sind, einen großen Umschlingungswinkel durch die gefalzten Materialbahnen erlauben, so dass der Abstand zwischen diesen Umlenkwalzen und dem Sammelpunkt, an dem die gefalzten Materialbahnen aufeinandertreffen, klein gehalten werden kann. Die Längsfalzvorrichtung kann daher sehr kompakt gebaut werden.The advantages achieved by the invention are in particular that their guide rollers, since they are driven, allow a large angle of wrap through the folded material webs, so that the distance between these guide rollers and the collection point at which the folded material webs meet, can be kept small , The longitudinal folding device can therefore be built very compact.

Durch den gemeinsamen Drehantrieb von ortsfesten und verschiebbaren Umlenkwalzen können Platz und Kosten für Antriebsmotoren gespart werden.Due to the common rotary drive of stationary and displaceable guide rollers Space and cost for drive motors can be saved.

Um insbesondere Platz in der Umgebung des Falzwalzenpaars zu sparen, ist ein Motor vorzugsweise an die ortsfeste Umlenkwalze gekoppelt. Ein solcher Motor kann koaxial zur ortsfesten Umlenkwalze montiert sein, was es im allgemeinen erforderlich macht, den Motor außerhalb von Seitengestellplatten der Längsfalzvorrichtung zu platzieren.In particular, to save space in the vicinity of the Faltswalzenpaars is an engine preferably coupled to the stationary guide roller. Such a motor may be mounted coaxially with the stationary guide roller, which generally requires placing the motor outside side frame plates of the longitudinal folder.

Eine besonders gute Platzausnutzung ist oft dadurch erreichbar, dass ein Motor an die ortsfeste Umlenkwalze durch einen Zahnrad- oder Riementrieb gekoppelt ist. Dies erlaubt es insbesondere, die ortsfesten Umlenkwalzen von zwei oder mehr Falztrichtern durch einen gemeinsamen Motor anzutreiben. Ein solcher Motor ist vorzugsweise zwischen den zwei ortsfesten Umlenkwalzen angeordnet.A particularly good space utilization is often achievable by a motor is coupled to the fixed guide roller by a gear or belt drive. This allows in particular to drive the stationary guide rollers of two or more formers by a common motor. Such a motor is preferably arranged between the two stationary guide rollers.

Damit bei einer Verschiebung der Falztrichter gegeneinander die Kopplung zwischen den ortsfesten und den verschiebbaren Umlenkwalzen nicht verloren geht, ist die verschiebbare Umlenkwalze mit der ihr zugeordneten ortsfesten Umlenkwalze vorzugsweise über einen Schwenkarm verbunden, dessen Schwenkachse mit der Achse der ortsfesten Umlenkwalze zusammenfällt. Damit dieser Schwenkarm automatisch jeder Verstellbewegung der Falztrichter in Bezug aufeinander folgt, ist vorzugsweise ein Abschnitt des Schwenkarms an einem Mitnehmer des ihm zugeordneten Falztrichters parallel zu der durch den Spalt der Falzwalzen definierten Ebene verschiebbar und quer zu dieser Ebene fixiert.So that during a displacement of the former against each other, the coupling between the stationary and the sliding guide rollers is not lost, the displaceable guide roller is associated with its associated stationary guide roller preferably via a pivot arm whose pivot axis coincides with the axis of the stationary guide roller. So that this swivel arm automatically follows each adjustment movement of the former with respect to each other, preferably a portion of the swivel arm is fixed to a driver of its associated former parallel to the plane defined by the gap of the folding rollers and transversely fixed to this plane.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher beschrieben.Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Es zeigen:

Fig. 1
einen schematischen Schnitt durch eine erste Ausgestaltung der Längsfalzvorrichtung bei der Verarbeitung von breiten Materialbahnen;
Fig. 2
die gleiche Längsfalzvorrichtung bei der Verarbeitung von schmalen Materialbahnen;
Fig. 3
eine zweite Ausgestaltung der Längsfalzvorrichtung bei der Verarbeitung von breiten Materialbahnen;
Fig. 4
die Ausgestaltung der Fig. 3 bei der Verarbeitung von schmalen Materialbahnen.
Show it:
Fig. 1
a schematic section through a first embodiment of the longitudinal folding device in the processing of wide webs of material;
Fig. 2
the same longitudinal folding device in the processing of narrow Material webs;
Fig. 3
a second embodiment of the longitudinal folding device in the processing of wide webs of material;
Fig. 4
the embodiment of FIG. 3 in the processing of narrow webs.

Fig. 1 zeigt einen schematischen Längsschnitt durch eine erste Ausgestaltung des Längsfalzapparates. Man erkennt die unteren Bereiche von zwei Falztrichtern 01; 02, an deren unterem Scheitel oder Ausgang jeweils Falzwalzen 03; 04, z. B. ein Falzwalzenpaar 03; 04 angeordnet ist. Der Spalt zwischen den Falzwalzen 03; 04 jeden Paares definiert eine in der Fig. 1 als strichpunktierte Linie eingezeichnete Ebene 12; 13, die tangential zu den Oberflächen beider Falzwalzen 03; 04 orientiert ist. Die Falztrichter 01; 02 und das jeweils ihnen zugeordnete Falzwalzenpaar 03; 04 sind jeweils in einem Gestell 06 montiert, das in Bezug auf einen (nicht dargestellten) Rahmen der Längsfalzvorrichtung quer zu den durch die Falzwalzenpaare 03; 04 definierten Ebenen 12; 13 verschiebbar ist. Jedes Gestell 06 trägt einen Mitnehmer 07, hier in Form eines nach unten offenen U, zwischen dessen Schenkel ein Zapfen 08 eines Schwenkarmes 09; 11 eingreift. Der Zapfen 08 ist zwischen den Schenkeln des Mitnehmers 07 vertikal (parallel zu den Ebenen 12; 13) beweglich und in zu diesen Ebenen senkrechter Richtung gehalten.Fig. 1 shows a schematic longitudinal section through a first embodiment of the longitudinal folding apparatus. One recognizes the lower areas of two formers 01; 02, at the lower apex or exit of each folding rollers 03; 04, z. B. a pair of folding rollers 03; 04 is arranged. The gap between the folding rollers 03; 04 of each pair defines a drawn in Fig 1 as a dotted line level 12; 13, which are tangent to the surfaces of both folding rollers 03; 04 is oriented. The formers 01; 02 and the respectively associated with them Falzwalzenpaar 03; 04 are each mounted in a frame 06, with respect to a (not shown) frame of the longitudinal folding device transversely to the by the Falzwalzenpaare 03; 04 defined levels 12; 13 is displaceable. Each frame 06 carries a driver 07, here in the form of a downwardly open U, between the legs of a pin 08 of a pivot arm 09; 11 engages. The pin 08 is vertically movable (parallel to the planes 12, 13) between the legs of the carrier 07 and held in a direction perpendicular to these planes.

Unterhalb der Falztrichter 01; 02 befinden sich zwei mit an dem nicht dargestellten Rahmen ortsfester Drehachse gelagerte Walzen 14; 15, z. B. Umlenkwalzen 14; 15. An deren Drehachse ist jeweils einer der Schwenkarme 09; 11 angelenkt. Jeder Schwenkarm 09; 11 trägt eine zu der benachbarten ortsfesten Umlenkwalze 14; 15 parallele Walze 16; 17, z. B. Umlenkwalze 16; 17. Die Umlenkwalze 16; 17 ist jeweils in einer solchen Stellung am Schwenkarm 09; 11 befestigt, dass sie eine der Ebenen 12; 13 berührt. Eine in dem Falztrichter 01 bzw. 02 gefalzte Materialbahn 18; 19, z. B. Papierbahn 18; 19 verläuft somit auch nach ihrem Durchtritt durch das Falzwalzenpaar 03 bzw. 04 in der Ebene 12 bzw. 13, bis sie die Umlenkwalze 16 bzw. 17 erreicht.Below the former 01; 02 are two with mounted on the frame, not shown fixed axis of rotation rollers 14; 15, z. B. guide rollers 14; 15. At the axis of rotation of each one of the pivot arms 09; 11 hinged. Each pivot arm 09; 11 carries one to the adjacent stationary guide roller 14; 15 parallel roller 16; 17, z. B. guide roller 16; 17. The guide roller 16; 17 is in each case in such a position on the pivot arm 09; 11 attached to one of the levels 12; 13 touched. A folded in the former 01 and 02 material web 18; 19, z. B. paper web 18; 19 thus passes even after their passage through the folding roller pair 03 and 04 in the Level 12 or 13, until it reaches the guide roller 16 and 17 respectively.

Bei der in Fig. 1 dargestellten Stellung der Falztrichter 01; 02, die der Verarbeitung einer Materialbahn von maximaler Breite in einer der dargestellten Falzvorrichtung vorgelagerten Druckmaschine und Längsschneideinrichtung entspricht, ist die Umschlingung der Materialbahnen 18; 19 an den Umlenkwalzen 16; 17 gering, und die Materialbahnen 18; 19 erreichen, ohne nennenswert abgelenkt zu werden, die ortsfesten Umlenkwalzen 14 bzw. 15. Diese sind von der gefalzten Materialbahn 18; 19 auf einem Winkel von ca. 50 bis 80 Grad umschlungen. Von den ortsfesten Umlenkwalzen 14; 15 aus laufen die zwei Materialbahnen 18; 19 auf einen durch ein Walzenpaar 21 gebildeten Sammelpunkt zu, wo sie übereinander gelegt werden, um beispielweise einem nachgeordneten (nicht dargestellten) Querschneider oder Querfalzapparat zugeführt zu werden.In the position of the former 01 shown in FIG. 1; 02, which corresponds to the processing of a material web of maximum width in one of the folding device shown upstream printing machine and longitudinal cutting device, is the wrap of the material webs 18; 19 on the guide rollers 16; 17 low, and the material webs 18; Reach 19, without being distracted appreciably, the stationary guide rollers 14 and 15, these are of the folded web 18; 19 wrapped at an angle of about 50 to 80 degrees. Of the stationary guide rollers 14; 15 from the two webs 18 run; 19 on a gathering point formed by a pair of rollers 21 where they are placed one above the other, for example, to be fed to a downstream (not shown) cross cutter or Querfalzapparat.

Die zwei ortsfesten Umlenkwalzen 14; 15 sind durch einen gemeinsamen Motor 22 angetrieben, der zwischen den Umlenkwalzen 14; 16 einerseits und 15; 17 andererseits bzw. den von ihnen geführten Materialbahnen 18; 19 angeordnet ist. Eine Riemenscheibe des Motors 22 ist von zwei Riemen 23; 24 umschlungen, von denen der eine Riemen 24 die Riemenscheibe des Motors 22 sowie eine Riemenscheibe der ortsfesten Umlenkwalze 15 umgibt und der andere Riemen 23, der die Riemenscheibe der Umlenkwalze 14 umgibt, von zwei Hilfsrollen 26 gegen die Riemenscheibe des Motors 22 gedrückt gehalten ist.The two stationary guide rollers 14; 15 are driven by a common motor 22, between the guide rollers 14; 16 on the one hand and 15; 17 on the other hand or guided by them webs 18; 19 is arranged. A pulley of the motor 22 is of two belts 23; 24, of which the one belt 24 surrounds the pulley of the motor 22 and a pulley of the stationary guide roller 15 and the other belt 23 surrounding the pulley of the guide roller 14 is held pressed against the pulley of the motor 22 by two auxiliary rollers 26.

Die Drehantriebskraft des Motors 22 wird an die schwenkbaren Umlenkwalzen 16; 17 jeweils mit Hilfe eines Riemens 27; 28 weiter übertragen, der um die Riemenscheibe der ortsfesten Umlenkwalze 14; 15 sowie um zwei Hilfsrollen 29 herumgelegt ist, die auf verschiedenen Seiten der schwenkbaren Umlenkwalze 16; 17 angeordnet und fest am Schwenkarm 09 bzw. 11 montiert sind, um den Riemen 27; 28 von außen gegen die schwenkbare Umlenkwalze 16 bzw. 17 zu drücken und diese so mit einem zum Drehsinn der benachbarten ortsfesten Walze 14; 15 entgegengesetzten Drehsinn anzutreiben.The rotational drive force of the motor 22 is applied to the pivotable guide rollers 16; 17 each by means of a belt 27; 28 further transferred to the pulley of the stationary guide roller 14; 15 and around two auxiliary rollers 29 is laid around, on different sides of the pivotable guide roller 16; 17 are arranged and fixedly mounted on the pivot arm 09 and 11 to the belt 27; 28 to press from the outside against the pivotable guide roller 16 and 17 and this with a direction of rotation the adjacent stationary roller 14; 15 opposite direction of rotation to drive.

Fig. 2 zeigt die Längsfalzvorrichtung der Fig. 1 in einer Konfiguration zum Falzen von zwei Materialbahnen 18; 19, die durch Längsschneiden aus einer ursprünglichen Materialbahn hervorgegangen sind, die schmaler ist als im Fall der Fig. 1. Die Mittellinien der Materialbahnen 18; 19, entlang derer gefalzt werden muss, liegen daher näher beieinander als im Fall der Fig. 1, und dementsprechend sind die zwei Falztrichter 01; 02 aufeinander zu verschoben. Infolge dieser Verschiebung sind die Zapfen 08 der Schwenkarme 09; 11, die der Einfachheit halber in Fig. 2 nur als strichpunktierte Linien angedeutet sind, an den Mitnehmern 07 nach oben verschoben, und die Schwenkarme 09; 11 sind aufwärts geschwenkt, wie durch Pfeile angedeutet. Die Verschwenkungen der Schwenkarme 09; 11 bringt auch eine geringfügige Verlagerung der an ihnen montierten schwenkbaren Umlenkwalzen 16; 17 mit sich, doch ist diese Verlagerung quer zu den Ebenen 12; 13 so gering, dass weiterhin davon ausgegangen werden kann, dass jede der schwenkbaren Umlenkwalzen 16; 17 die Ebene 12 bzw. 13 des Falzwalzenpaares 03 bzw. 04, an dem sie angeordnet ist, berührt. Zwischen den schwenkbaren Umlenkwalzen 16; 17 und den ortsfesten Umlenkwalzen 14; 15 hingegen ist eine deutliche Auslenkung der Materialbahnen 18; 19 aus den Ebenen 12; 13 zu erkennen.Fig. 2 shows the longitudinal folding device of Figure 1 in a configuration for folding two webs of material 18. 19, which are formed by longitudinal cutting of an original material web, which is narrower than in the case of Figure 1. The center lines of the material webs 18; 19, along which it is necessary to fold, are therefore closer to one another than in the case of FIG. 1, and accordingly the two formers 01 are; 02 shifted towards each other. As a result of this shift, the pins 08 of the pivot arms 09; 11, which are indicated for simplicity in Figure 2 only as dotted lines, moved to the carriers 07 upwards, and the pivot arms 09; 11 are pivoted upwards, as indicated by arrows. The pivoting of the pivot arms 09; 11 also brings a slight displacement of the mounted on them pivotable guide rollers 16; 17 with them, but this shift is transverse to the levels 12; 13 so low that it can be further assumed that each of the pivotable guide rollers 16; 17, the plane 12 or 13 of the folding roller pair 03 and 04, where it is arranged, touched. Between the pivotable guide rollers 16; 17 and the stationary guide rollers 14; 15, however, is a significant deflection of the material webs 18; 19 from the levels 12; 13 to recognize.

Da alle Umlenkwalzen 14 bis 17 durch den Motor 22 drehangetrieben sind und somit keine nennenswerte Bremskraft auf die Materialbahnen 18; 19 ausüben, sind beträchtliche Umschlingungswinkel an ihnen realisierbar, ohne dass sie zu einem seitlichen Ausweichen der Materialbahnen 18; 19 bzw. einem Verrutschen von deren Falzlinien führen. Die Bauhöhe der Längsfalzvorrichtung kann daher gering gehalten werden, und trotzdem können die Materialbahnen 18; 19 präzise mittig gefalzt dem Sammelpunkt an dem Walzenpaar 21 zugeführt werden.Since all guide rollers 14 to 17 are rotationally driven by the motor 22 and thus no significant braking force on the material webs 18; 19 exert considerable wrap angle can be realized on them, without causing a lateral deflection of the webs 18; 19 or slipping of their fold lines lead. The overall height of the longitudinal folding device can therefore be kept low, and yet the webs 18; 19 precisely centered folded the collection point on the roller pair 21 are supplied.

Die Fig. 3 und 4 zeigen eine zweite Ausgestaltung der Längsfalzvorrichtung, wiederum in Fig. 3 in einer Konfiguration zur Verarbeitung von breiten Materialbahn 18; 19 und in Fig. 4 in einer Konfiguration zur Verarbeitung von schmalen Materialbahnen 18; 19. Bei dieser zweiten Ausgestaltung sind wie bei der ersten die Falztrichter 01; 02 quer zu durch ihre Falzwalzenpaare 03; 04 definierten Ebene 12; 13 verschiebbaren Gestellen 06 montiert, die jeweils einen Mitnehmer 07 in Eingriff mit einem Zapfen 08 eines Schwenkarmes 09; 11 tragen. Zwei ortsfeste Umlenkwalzen 14; 15, deren Achsen jeweils den Schwenkmittelpunkt eines der Schwenkarme 09; 11 bilden, und an den Schwenkarmen 09; 11 montierte schwenkbare Umlenkwalzen 16; 17 sind hier auf jeweils gleichen Seiten der aus den Falztrichtern 01; 02 austretenden Materialbahnen 18; 19 montiert. Infolge dessen müssen die Umlenkwalzen 14; 16 bzw. 15; 17 jeweils gleichsinnig rotieren. Dies wird mit einer Kupplung durch Riemen 27; 28 bewerkstelligt, die um die Riemenscheiben benachbarter Umlenkwalzen 14; 16 bzw. 15; 17 herumgelegt sind. Jeder der ortsfesten Umlenkwalzen 14; 15 ist hier ein eigener Motor 22 zugeordnet, der sie mit Hilfe eines um eine Riemenscheibe des Motors 22 und eine Riemenscheibe der Umlenkwalze 14; 15 herumgelegten Riemens 23; 24 drehantreibt. Die Riemen 23; 24 drücken gleichzeitig gegen eine Hilfswalze 31; 32, die zusammen mit der ihr benachbarten ortsfesten Umlenkwalze 14 bzw. 15 einen Spalt bildet, durch den die Materialbahn 18; 19 verläuft. Die Hilfswalzen 31; 32 üben so auf die jeweils außen liegende Seite der Materialbahnen 18; 19 eine Zug- oder Bremskraft aus, die von den Umlenkwalzen 14; 16 bzw. 15; 17 auf die Innenseiten ausgeübte Kraft ausgleicht und so für eine exakte Förderung der Materialbahnen 18; 19 ohne Verkanten oder seitliches Ausweichen sorgt.Figures 3 and 4 show a second embodiment of the longitudinal folding device, again in Figure 3 in a configuration for processing wide web of material 18. 19 and in 4 in a configuration for processing narrow webs of material 18; 19. In this second embodiment, as in the first, the former 01; 02 across to their Falzwalzenpaare 03; 04 defined level 12; 13 slidable frames 06 mounted, each having a driver 07 in engagement with a pin 08 of a pivot arm 09; 11 wear. Two stationary guide rollers 14; 15, whose axes each have the pivot center of one of the pivot arms 09; 11 form, and on the pivot arms 09; 11 mounted pivotable guide rollers 16; 17 are here on the same pages in each case from the formers 01; 02 leaking material webs 18; 19 mounted. As a result, the guide rollers 14; 16 and 15, respectively; 17 rotate in the same direction. This is done with a coupling by belt 27; 28 accomplished, the pulleys of adjacent guide rollers 14; 16 and 15, respectively; 17 are laid around. Each of the fixed guide rollers 14; 15 here is a separate motor 22 associated with it, with the help of a to a pulley of the motor 22 and a pulley of the guide roller 14; 15 wrapped belt 23; 24 rotates. The belts 23; 24 press simultaneously against an auxiliary roll 31; 32, which forms a gap together with the adjacent stationary deflection roller 14 or 15, through which the material web 18; 19 runs. The auxiliary rollers 31; 32 thus exercise on the respective outer side of the material webs 18; 19 is a tensile or braking force from the guide rollers 14; 16 and 15, respectively; 17 compensates for force exerted on the inner sides and so for an accurate promotion of the material webs 18; 19 without tilting or sideways avoidance.

In der Konfiguration der Fig. 4 sind die zwei Falztrichter 01; 02 aufeinander zu verschoben, um Materialbahnen 18; 19 mit einer geringeren Breite als im Fall der Fig. 3 bearbeiten zu können. Die Verschiebung führt wie bei der ersten Ausgestaltung zu einer Schwenkbewegung der Schwenkarme 09; 11, um die Achsen der ortsfesten Umlenkwalzen 14; 15, in deren Verlauf die Zapfen 08 der Schwenkarme 09; 11 in den Mitnehmern 07 aufwärts gleiten.In the configuration of Fig. 4, the two formers 01; 02 shifted towards each other to webs of material 18; 19 to edit with a smaller width than in the case of Fig. 3 can. The displacement leads as in the first embodiment to a pivoting movement of the pivot arms 09; 11, about the axes of the stationary guide rollers 14; 15, in the course of which the pin 08 of the pivot arms 09; 11 in the carriers 07 upwards glide.

Die Materialbahnen 18; 19 können wie bereits beschrieben zu einen Strang beim Walzenpaar 21 zusammengeführt werden oder zumindest eine Materialbahn 18 oder 19 oder beide Materialbahnen 18; 19 können auch nach außen lediglich die Walze 16 oder 17 berührend auf eine weitere Walzen 33; 34 geführt werden (sieh Fig. 1 und 2, strichliiert dargestellt).The material webs 18; 19 can be combined as already described to form one strand in the roller pair 21 or at least one material web 18 or 19 or both material webs 18; 19 can also outwardly only the roller 16 or 17 touching on a further rollers 33; 34 are guided (see Figs. 1 and 2, shown in phantom).

Alternativ zur Kopplung des Antriebes von der verschiebbaren Umlenkwalze 16; 17 mit der ortsfesten Umlenkwalze 14; 15 kann auch für jede der beiden verschiebbaren Umlenkwalzen 16; 17 ein eigener Elektromotor vorgesehen sein, die dann vorzugsweise mit den zugeordneten Falztrichtern 01; 02 verschiebbar sind.Alternatively to the coupling of the drive of the displaceable guide roller 16; 17 with the stationary guide roller 14; 15 can also for each of the two sliding guide rollers 16; 17 may be provided a separate electric motor, which then preferably with the associated formers 01; 02 are displaceable.

Alle Motoren sind unabhängig von einem Antrieb, insbesondere von einem oder mehreren Elektromotoren eines nachgeschalteten Querfalzapparates, insbesondere von einem Antrieb eines Messerzylinders.All motors are independent of a drive, in particular of one or more electric motors of a downstream Querfalzapparates, in particular of a drive of a knife cylinder.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Falztrichterformers
0202
Falztrichterformers
0303
Falzwalze, FalzwalzenpaarFolding roller, folding roller pair
0404
Falzwalze, FalzwalzenpaarFolding roller, folding roller pair
0505
--
0606
Gestellframe
0707
Mitnehmertakeaway
0808
Zapfenspigot
0909
Schwenkarmswivel arm
1010
--
1111
Schwenkarmswivel arm
1212
Ebenelevel
1313
Ebenelevel
1414
Walze, Umlenkwalze, ortsfestRoller, guide roller, stationary
1515
Walze, Umlenkwalze, ortsfestRoller, guide roller, stationary
1616
Walze, Umlenkwalze, schwenkbarRoller, guide roller, swiveling
1717
Walze, Umlenkwalze, schwenkbarRoller, guide roller, swiveling
1818
Materialbahn, PapierbahnMaterial web, paper web
1919
Materialbahn, PapierbahnMaterial web, paper web
2020
--
2121
Walzenpaarroller pair
2222
Motorengine
2323
Riemenbelt
2424
Riemenbelt
2525
--
2626
Hilfsrolleauxiliary role
2727
Riemenbelt
2828
Riemenbelt
2929
Hilfsrolleauxiliary role
3030
--
3131
Hilfswalzeauxiliary roll
3232
Hilfswalzeauxiliary roll
3333
Walzeroller
3434
Walzeroller

Claims (13)

  1. A longitudinal folder with at least two formers (01; 02) which each have an outlet formed by a pair of folding rollers (03; 04) and which are adjustable transversely to the direction of the axes of the folding rollers (03; 04), wherein at least one reversing roller (16; 17) is associated with each former (01; 02) and is displaceable with the former (01; 02), characterized in that the displaceable reversing roller (16; 17) is pivotable about an axis of a stationary reversing roller (14; 15).
  2. A longitudinal folder according to Claim 1, characterized in that the displaceable reversing roller (16; 17) and the stationary reversing roller (14; 15) are driven jointly in a rotatable manner.
  3. A longitudinal folder according to Claim 2, characterized in that the stationary reversing roller (14; 15) and the displaceable reversing roller (16; 17) are coupled by first toothed wheels or a belt (27; 28).
  4. A longitudinal folder according to Claim 1 or 2, characterized in that a motor (22) is arranged so as to drive at least one stationary reversing roller (14, 15).
  5. A longitudinal folder according to Claim 1 or 2, characterized in that a motor (22) is coupled to at least one stationary reversing roller (14; 15) by second toothed wheels or a belt (23; 24).
  6. A longitudinal folder according to Claim 1 or 2, characterized in that a motor (22) is arranged coaxially with at least one stationary reversing roller (14; 15).
  7. A longitudinal folder according to Claim 4 or 5, characterized in that one motor (22) is coupled to two stationary reversing rollers (14; 15).
  8. A longitudinal folder according to Claim 7, characterized in that the motor (22) is arranged between the two stationary reversing rollers (14; 15).
  9. A longitudinal folder according to Claim 1, 4 or 5, characterized in that a separate motor (22) is associated with each stationary reversing roller (14; 15).
  10. A longitudinal folder according to any one of the preceding Claims, characterized in that the displaceable reversing roller (16; 17) is connected by way of a pivot arm (09; 11) to the stationary reversing roller (14; 15) associated with it, the pivot axis of the said pivot arm (09; 11) coinciding with the axis of the stationary reversing roller (14; 15).
  11. A longitudinal folder according to Claim 10, characterized in that a pin (08) of the pivot arm (09; 11) on an entrainment means (07) of the former (01; 02) associated with it is displaceable in the plane (12; 13) defined by the gap and is fixed transversely to the plane (12; 13).
  12. A longitudinal folder according to Claim 1, characterized in that the displaceable reversing roller (16; 17) is contiguous with a plane (12; 13) defined by a gap of the pair of folding rollers (03; 04).
  13. A longitudinal folder according to Claim 1, characterized in that the former (01; 02) is arranged in a frame.
EP04104360A 2003-09-10 2004-09-09 Longitudinal folder Not-in-force EP1522515B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE202004020754U DE202004020754U1 (en) 2003-09-10 2004-09-09 Longitudinal folding assembly for newsprint web has reversing roller that slides with the former

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10341645 2003-09-10
DE10341645A DE10341645B3 (en) 2003-09-10 2003-09-10 A longitudinal folder

Publications (2)

Publication Number Publication Date
EP1522515A1 EP1522515A1 (en) 2005-04-13
EP1522515B1 true EP1522515B1 (en) 2006-08-09

Family

ID=34305644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04104360A Not-in-force EP1522515B1 (en) 2003-09-10 2004-09-09 Longitudinal folder

Country Status (3)

Country Link
EP (1) EP1522515B1 (en)
AT (1) ATE335699T1 (en)
DE (2) DE10341645B3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005042345A1 (en) * 2005-09-07 2007-03-08 Man Roland Druckmaschinen Ag Falzwerkoberteil
DE102005042437A1 (en) * 2005-09-07 2007-03-15 Man Roland Druckmaschinen Ag Device for merging a plurality of printing material webs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE668877C (en) * 1938-12-10 Fallert & Co A G Adjustable double former for rotary printing machines
DE4204254C2 (en) * 1992-02-13 1995-03-16 Koenig & Bauer Ag Device for longitudinal folding of several paper webs of the same width in a web-fed rotary printing press
DE10003025C1 (en) * 2000-01-25 2001-05-23 Koenig & Bauer Ag Paper web folding station to give cut and folded sheets in a tabloid newspaper format has sliding folding units with folding funnels and cutters and folding rollers to give a number of folding units at a station

Also Published As

Publication number Publication date
ATE335699T1 (en) 2006-09-15
DE502004001145D1 (en) 2006-09-21
DE10341645B3 (en) 2005-04-14
EP1522515A1 (en) 2005-04-13

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