EP1845046B1 - Feeder-folder apparatus with device for scoring the sheets - Google Patents

Feeder-folder apparatus with device for scoring the sheets Download PDF

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Publication number
EP1845046B1
EP1845046B1 EP06405154A EP06405154A EP1845046B1 EP 1845046 B1 EP1845046 B1 EP 1845046B1 EP 06405154 A EP06405154 A EP 06405154A EP 06405154 A EP06405154 A EP 06405154A EP 1845046 B1 EP1845046 B1 EP 1845046B1
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EP
European Patent Office
Prior art keywords
wheel
scoring
feeder
drum
folder according
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.)
Active
Application number
EP06405154A
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German (de)
French (fr)
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EP1845046A1 (en
Inventor
Bernd Holler
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Mueller Martini Holding AG
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Mueller Martini Holding AG
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Filing date
Publication date
Application filed by Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Priority to DE502006002817T priority Critical patent/DE502006002817D1/en
Priority to EP06405154A priority patent/EP1845046B1/en
Priority to US11/783,491 priority patent/US7537557B2/en
Priority to JP2007103345A priority patent/JP4860538B2/en
Publication of EP1845046A1 publication Critical patent/EP1845046A1/en
Application granted granted Critical
Publication of EP1845046B1 publication Critical patent/EP1845046B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/26—Folding in combination with unpiling

Definitions

  • the invention relates to a folder feeder with a drum, with which sheet and in particular sheet, for example, be deducted from a stack and a folding device can be supplied with a first Rillrad, which is arranged on the drum and with a second Rillrad, for the grooves of the withdrawn sheet cooperates with the first creasing wheel.
  • a folder feeder of this kind is for example from the EP-A-1 247 775 known.
  • printed sheets are sucked with suckers and grippers as single sheets of a stack and folded on a folding blade in a continuous.
  • the folded sheets are placed on a gathering chain and detected by this with drivers.
  • the withdrawn sheets are grooved prior to folding.
  • the grooved press sheets are folded along the formed groove on the folding blade in a continuous process.
  • the quality of the fold depends largely on the quality of the groove.
  • a not even deep or even interrupted groove can be a blurred, incomplete or not closed Lead fold.
  • the folded sheets are used to produce printed matter such as brochures, magazines, catalogs or books. The quality of these printed products is also dependent on the folding quality of the sheets.
  • a similar folder is from the GB-A-2 270 306 known.
  • the invention has for its object to provide a folder feeder of the type mentioned, which allows a higher folding quality and still high performance and reliability.
  • the task is solved in generic Falzanleger in that the second Rillrad is mounted on a Tastrad which runs on the first Rillrad and is resiliently pressed against a tread of the first Rillrades and keeps constant the distance of the second Rillrades to the peripheral surface of the first Rillrades. Under a creasing wheel is in this case understood a wheel that perforates the bow.
  • the jockey wheel very effectively compensates for a non-circular run of the first creasing wheel.
  • a non-circular run can be caused by an imbalance, an ovality or eccentricity of the drum, especially at high power.
  • the scoring wheel engages with its creasing edge always the same depth into the groove of the first scoring wheel and accordingly ensures that the groove formed is always evenly deep.
  • the axis of the second Rillrades thus holds a constant distance from the peripheral surface of the first Rillrades. Since the second scoring wheel is pressed against the first scoring wheel, out-of-roundness or eccentricity of the first scoring wheel is immediately compensated.
  • the grooved bow and folded which have a very different weight, for example, a weight in the range of 70 g / m 2 to 260 g / m 2 .
  • the groove depth can be for example 0.02 mm. Due to the said compensation, the demands on the manufacturing tolerances and thus the manufacturing costs of the folder feeder can be reduced.
  • the second Rillrad is mounted adjustable on the jockey wheel.
  • the second scoring wheel is mounted on the jockey wheel via an eccentric. This makes it possible in a simple manner, to set the distance of the second Rillrades to the peripheral surface of the first Rillrades and thus the depth of the groove.
  • the second scoring wheel and the first scanning wheel form a unit which is mounted with one arm on a rod which runs parallel and at a distance from the shaft of the first scoring wheel or the drum. This allows a particularly reliable and stable storage of the second Rillrades and the Tastrades.
  • the contact pressure of the second Rillrades can be changed with an adjustment. This is particularly easy and accurate with a Bowden cable that attacks the arm mentioned.
  • the sheets are transported substantially vertically while creasing.
  • the sheets are taken with a gripper drum and guided between belts.
  • Falzanleger 1 has a drum 7 which is driven in a known manner by a shaft 9 in a clockwise direction.
  • the drum 7 has at least two spaced-apart drum wheels 57, each having a movable gripper 8 and a suction device 34 on its circumference. With these sheets 4 are withdrawn from a stack 3, which is mounted in a magazine 5. With rotating drum 7, the lowermost sheet 4 of the stack 3 is taken in each case and moved downwards in the clockwise direction.
  • the withdrawn sheets 4 are each guided between conveyor belts 23.
  • FIG. 2 In FIG. 2 are two such conveyor belts 23 indicated. These are each guided, inter alia, with a rolling bearing 22 to a frame-fixed rod 19.
  • the sheets 4 are in particular printed sheets, which are provided for example for the production of magazines, brochures or books.
  • the withdrawn sheets 4 are each fed individually to a folding device 6.
  • This consists of a folding blade 39, which-as kann- inclined and tangent to the drum 7 runs.
  • a folding blade 39 At the folding blade 39 an endless round string 36 is mounted, which is placed around two spaced-apart rollers 37 and 38.
  • the round string 36 cooperates with a folding belt 35 which is driven in the direction of the arrow 42.
  • the withdrawn sheet 4 are taken on the folding blade 39 of the round string 36 and the folding belt 35 of the conveyor belts 23 and folded between folding rollers 44.
  • the folding points are each re-pressed and finally the sheet 4 are individually delivered via a sword extension 40, for example, to a here only indicated conveyor 2 a saddle stitcher, where they detected by drivers 52 and in FIG. 1 be moved to the left in the direction of arrow 43.
  • the sheets 4 are hereby straddling the fold on top of the conveyor of the saddle stitcher.
  • FIG. 4 Before the sheets 4 are each guided on the folding blade 39, they are according to FIG. 4 grooved between a creasing wheel 17 of a creasing device 10 in the transport direction.
  • the scoring device 10 is fixed to the drum and the scoring wheel 17 is according to FIG. 1 driven in a clockwise direction.
  • the scoring device 10 has a further scoring wheel with a cylindrical peripheral surface 11, in which a circumferential groove 13 is incorporated.
  • At a distance from the groove 13 has the peripheral surface 11 according to FIG. 5 a running surface 12 for a feeler wheel 15 which is rotatably mounted on an arm 21.
  • This arm 21 is according to the Figures 2 and 3 connected to the rod 19 which is secured by its ends by means of flanges 20 on a machine frame, not shown here.
  • the Tastrad 15 is mounted with a roller bearing 26 on an axle 28, which in turn is mounted with bearing 27 in arm 21.
  • the Tastrad 15 has a cylindrical peripheral surface 45 which is resiliently pressed with a clamping device 30 on the tread 12.
  • the contact force is according to FIG. 3 generated by a spring 33 which is supported on a nut 53 which is screwed onto a cylindrical screw 53.
  • the nut 53 is supported via a part 54 on a frame 55 only indicated here.
  • a slot 56 makes it possible to adjust the tension of the spring 33.
  • the tensioned spring 33 acts via a holder 31 of the tensioning device 30 on the arm 21.
  • the holder 31 is fixedly connected to the arm 21 and extends approximately at right angles to this.
  • the force works according to FIG. 3 in the direction of the arrow 47, wherein the rod 19 forms the axis of rotation. By this force, the feeler wheel 15 is pressed on the other creasing wheel of the creasing device 10 with a constant but adjustable force.
  • the axis 28 is according to FIG. 2 connected via an eccentric connection 16 with an axis 18, on which with a rolling bearing 25, the Tastrad 15 is rotatably mounted.
  • the creasing wheel 17 has at its periphery a circumferential creasing edge 24. This creasing edge 24 engages according FIG. 5 with pressed Tastrad 15 with constant depth in the groove 13 a.
  • the depth of the groove 13 is for example 0.02 mm.
  • Conceivable here is also an embodiment in which the groove 13 is replaced by a web and the creasing wheel 17 has a corresponding circumferential groove instead of the creasing edge 24.
  • both creasing wheels can also be designed so that the continuous sheets 4 are perforated.
  • the withdrawn sheets 4 are grooved between the creasing wheels 10, 17 in a substantially vertical transport in the flow.
  • the Tastrad 15 runs in each case on the withdrawn sheet 4, which is pressed by the contact pressure of the Tastrades 15 to the peripheral surface 11.
  • Creasing wheel 17 rotates passively about the axis 18, the distance to the peripheral surface 11 and the groove 13 is held constant by the scanning feeler 15.
  • the tread 12 here is the reference surface which is concentric with the groove 13.
  • scoring wheel 17 follows the readjustment movements of the feeler wheel 15. A run-out or eccentricity changed during production is thereby compensated.
  • the engagement of the Rillrades 17 in the groove 13 is thus kept constant and, accordingly, the groove or perforation formed in the withdrawn sheet 4 is uniformly deep. Due to the eccentric connection between the feeler wheel 15 and the axis 18, the distance between the axis 18 and the peripheral surface 11 can be adjusted. Thus, it is possible to set the groove depth exactly.
  • the grooved sheet 4 are as described above, the folding device 6 passed and with this, the sheet 4 are folded along the groove formed between the folding rollers 44.
  • the contact pressure of the Tastrades 15 at the other Rillrad can according to FIG. 3 be adjusted with a Bowden cable 29 having adjustment 14.
  • the Bowden cable 29 engages with a cable 49 on a spring 32 which is connected to the holder 31.
  • the Bowden cable 29 is mounted on a frame-fixed support 50 and can be operated on a hand wheel, not shown here.
  • the guide sleeve 51 of the Bowden cable 29 is as shown connected via a holder 48 with the arm 21. If the spring 32 is tensioned with the Bowden cable 29, then a back pressure is built up on the spring 33 and thus the contact force of the feeler wheel 15 is reduced to the other Rillrad. Conversely, the contact pressure can be increased accordingly.

Description

Die Erfindung betrifft einen Falzanleger mit einer Trommel, mit welcher Bogen und insbesondere Druckbogen, beispielsweise von einem Stapel abziehbar und einer Falzvorrichtung zuführbar sind, mit einem ersten Rillrad, das auf der Trommel angeordnet ist und mit einem zweiten Rillrad, das zum Rillen der abgezogenen Bogen mit dem ersten Rillrad zusammenarbeitet.The invention relates to a folder feeder with a drum, with which sheet and in particular sheet, for example, be deducted from a stack and a folding device can be supplied with a first Rillrad, which is arranged on the drum and with a second Rillrad, for the grooves of the withdrawn sheet cooperates with the first creasing wheel.

Ein Falzanleger dieser Art ist beispielsweise aus der EP-A-1 247 775 bekannt geworden. Mit diesem Falzanleger werden Druckbogen mit Saugern und Greifern als Einzelblätter von einem Stapel abgezogen und auf einem Falzschwert im Durchlauf gefalzt. Die gefalzten Druckbogen werden auf eine Sammelkette abgelegt und von dieser mit Mitnehmern erfasst. Um einen scharfen, möglichst vollständigen und geschlossenen Falz zu erhalten, werden die abgezogenen Bogen vor dem Falzen gerillt. Die gerillten Druckbogen werden entlang der gebildeten Rille auf dem Falzschwert im Durchlauf gefalzt. Die Qualität des Falzes ist weitgehend abhängig von der Qualität der Rille. Eine nicht gleichmässig tiefe oder sogar unterbrochene Rille kann zu einem unscharfen, unvollständigen oder nicht geschlossenen Falz führen. Mit den gefalzten Bogen werden Druckerzeugnisse, beispielsweise Broschüren, Zeitschriften, Kataloge oder Bücher hergestellt. Die Qualität dieser Druckerzeugnisse ist schliesslich ebenfalls abhängig von der Falzqualität der Bogen.A folder feeder of this kind is for example from the EP-A-1 247 775 known. With this folder feeder printed sheets are sucked with suckers and grippers as single sheets of a stack and folded on a folding blade in a continuous. The folded sheets are placed on a gathering chain and detected by this with drivers. In order to obtain a sharp, as complete and closed fold as possible, the withdrawn sheets are grooved prior to folding. The grooved press sheets are folded along the formed groove on the folding blade in a continuous process. The quality of the fold depends largely on the quality of the groove. A not even deep or even interrupted groove can be a blurred, incomplete or not closed Lead fold. The folded sheets are used to produce printed matter such as brochures, magazines, catalogs or books. The quality of these printed products is also dependent on the folding quality of the sheets.

Ein ähnlicher Falzanleger ist aus der GB-A-2 270 306 bekannt.A similar folder is from the GB-A-2 270 306 known.

Der Erfindung liegt die Aufgabe zugrunde, einen Falzanleger der genannten Art zu schaffen, der eine höhere Falzqualität und trotzdem eine hohe Leistung und Funktionssicherheit ermöglicht.The invention has for its object to provide a folder feeder of the type mentioned, which allows a higher folding quality and still high performance and reliability.

Die Aufgabe ist bei gattungsgemässen Falzanleger dadurch gelöst, dass das zweite Rillrad an einem Tastrad gelagert ist, das auf dem ersten Rillrad läuft und an eine Lauffläche des ersten Rillrades federnd angepresst wird und das den Abstand des zweiten Rillrades zur Umfangsfläche des ersten Rillrades konstant hält. Unter einem Rillrad wird hierbei auch ein Rad verstanden, welches die Bogen perforiert.The task is solved in generic Falzanleger in that the second Rillrad is mounted on a Tastrad which runs on the first Rillrad and is resiliently pressed against a tread of the first Rillrades and keeps constant the distance of the second Rillrades to the peripheral surface of the first Rillrades. Under a creasing wheel is in this case understood a wheel that perforates the bow.

Es hat sich gezeigt, dass das Tastrad sehr wirksam einen unrunden Lauf des ersten Rillrades ausgleicht. Ein solcher unrunder Lauf kann besonders bei hohen Leistungen durch eine Unwucht, eine Unrundheit oder Exzentrizität der Trommel verursacht sein. Das Rillrad greift mit seinem Rillrand immer gleich tief in die Nut des ersten Rillrades ein und entsprechend ist gewährleistet, dass die gebildete Rille immer gleichmässig tief ist. Die Achse des zweiten Rillrades hält somit einen konstanten Abstand zur Umfangsfläche des ersten Rillrades. Da das zweite Rillrad dauern an das erste Rillrad angepresst wird, wird eine Unrundheit oder Exzentrizität des ersten Rillrades sofort ausgeglichen. Es können Bogen gerillt und gefaltet werden, die ein sehr unterschiedliches Gewicht aufweisen, beispielsweise ein Gewicht im Bereich von 70 g/m2 bis 260 g/m2. Die Rillentiefe kann beispielsweise 0,02 mm betragen. Aufgrund des genannten Ausgleichs können die Anforderungen an die Fertigungstoleranzen und damit die Herstellungskosten des Falzanlegers gesenkt werden.It has been shown that the jockey wheel very effectively compensates for a non-circular run of the first creasing wheel. Such a non-circular run can be caused by an imbalance, an ovality or eccentricity of the drum, especially at high power. The scoring wheel engages with its creasing edge always the same depth into the groove of the first scoring wheel and accordingly ensures that the groove formed is always evenly deep. The axis of the second Rillrades thus holds a constant distance from the peripheral surface of the first Rillrades. Since the second scoring wheel is pressed against the first scoring wheel, out-of-roundness or eccentricity of the first scoring wheel is immediately compensated. It can grooved bow and folded, which have a very different weight, for example, a weight in the range of 70 g / m 2 to 260 g / m 2 . The groove depth can be for example 0.02 mm. Due to the said compensation, the demands on the manufacturing tolerances and thus the manufacturing costs of the folder feeder can be reduced.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass das zweite Rillrad einstellbar am Tastrad gelagert ist. Vorzugsweise ist das zweite Rillrad über einen Exzenter am Tastrad gelagert. Dadurch ist es in einfacher Weise möglich, den Abstand des zweiten Rillrades zur Umfangsfläche des ersten Rillrades und damit die Tiefe der Rille einzustellen.According to a development of the invention it is provided that the second Rillrad is mounted adjustable on the jockey wheel. Preferably, the second scoring wheel is mounted on the jockey wheel via an eccentric. This makes it possible in a simple manner, to set the distance of the second Rillrades to the peripheral surface of the first Rillrades and thus the depth of the groove.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass das zweite Rillrad und das erste Tastrad eine Einheit bilden, die mit einem Arm an einer Stange gelagert ist, die parallel und im Abstand zur Welle des ersten Rillrades bzw. der Trommel verläuft. Dies ermöglicht eine besonders funktionssichere und stabile Lagerung des zweiten Rillrades und des Tastrades.According to a development of the invention, it is provided that the second scoring wheel and the first scanning wheel form a unit which is mounted with one arm on a rod which runs parallel and at a distance from the shaft of the first scoring wheel or the drum. This allows a particularly reliable and stable storage of the second Rillrades and the Tastrades.

Nach einer Weiterbildung der Erfindung kann der Anpressdruck des zweiten Rillrades mit einer Verstellvorrichtung verändert werden. Die ist besonders einfach und genau mit einem Bowdenzug möglich, der am genannten Arm angreift.According to a development of the invention, the contact pressure of the second Rillrades can be changed with an adjustment. This is particularly easy and accurate with a Bowden cable that attacks the arm mentioned.

Vorzugsweise werden die Bogen beim Rillen im Wesentlichen vertikal transportiert. Hierbei werden die Bogen mit einer Greifertrommel gefasst und zwischen Bändern geführt. Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Preferably, the sheets are transported substantially vertically while creasing. Here, the sheets are taken with a gripper drum and guided between belts. Further advantageous features emerge from the dependent claims, the following description and the drawings.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Fig. 1
schematisch eine Ansicht eines erfindungsgemässen Falzanlegers,
Fig. 2
ein Schnitt entlang der Linie II-II der Figur 3,
Fig. 3
eine Teilansicht des erfindungsgemässen Falzanlegers, wobei insbesondere die Lagerung des zweiten Rillrades illustriert ist,
Fig. 4
eine teilweise geschnittene Ansicht eines Teils des erfindungsgemässen Falzanlegers und
Fig. 5
in vergrössertem Massstab eine Teilansicht der Figur 5.
An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:
Fig. 1
1 is a schematic view of a folding feeder according to the invention;
Fig. 2
a section along the line II-II of FIG. 3 .
Fig. 3
a partial view of the inventive Falzanlegers, wherein in particular the storage of the second Rillrades is illustrated,
Fig. 4
a partially sectioned view of a portion of the inventive Falzanlegers and
Fig. 5
on an enlarged scale a partial view of the FIG. 5 ,

Der in Figur 1 gezeigte Falzanleger 1 weist eine Trommel 7 auf, die in bekannter Weise durch eine Welle 9 im Uhrzeigersinn angetrieben ist. Die Trommel 7 weist wenigstens zwei im Abstand zueinander angeordnete Trommelräder 57 auf, die an ihrem Umfang jeweils einen beweglichen Greifer 8 sowie eine Saugvorrichtung 34 aufweisen. Mit diesen werden Bogen 4 aus einem Stapel 3 abgezogen, der in einem Magazin 5 gelagert ist. Bei rotierender Trommel 7 wird jeweils der unterste Bogen 4 des Stapels 3 gefasst und im Uhrzeigersinn nach unten bewegt.The in FIG. 1 shown Falzanleger 1 has a drum 7 which is driven in a known manner by a shaft 9 in a clockwise direction. The drum 7 has at least two spaced-apart drum wheels 57, each having a movable gripper 8 and a suction device 34 on its circumference. With these sheets 4 are withdrawn from a stack 3, which is mounted in a magazine 5. With rotating drum 7, the lowermost sheet 4 of the stack 3 is taken in each case and moved downwards in the clockwise direction.

Hierbei werden die abgezogenen Bogen 4 jeweils zwischen Transportbändern 23 geführt.Here, the withdrawn sheets 4 are each guided between conveyor belts 23.

In Figur 2 sind zwei solche Transportbänder 23 angedeutet. Diese sind jeweils u.a. mit einem Wälzlager 22 um eine gestellfeste Stange 19 geführt. Die Bogen 4 sind insbesondere Druckbogen, die beispielsweise zur Herstellung von Zeitschriften, Broschüren oder Büchern vorgesehen sind.In FIG. 2 are two such conveyor belts 23 indicated. These are each guided, inter alia, with a rolling bearing 22 to a frame-fixed rod 19. The sheets 4 are in particular printed sheets, which are provided for example for the production of magazines, brochures or books.

Die abgezogenen Bogen 4 werden jeweils einzeln einer Falzvorrichtung 6 zugeführt. Diese besteht aus einem Falzschwert 39, das -wie ersichtlich- geneigt und tangential zu der Trommel 7 verläuft. Am Falzschwert 39 ist eine endlose Rundsaite 36 gelagert, die um zwei im Abstand zueinander angeordnete Rollen 37 und 38 gelegt ist. Die Rundsaite 36 arbeitet mit einem Falzriemen 35 zusammen, der in Richtung des Pfeils 42 angetrieben ist. Die abgezogenen Bogen 4 werden auf dem Falzschwert 39 von der Rundsaite 36 und dem Falzriemen 35 von den Transportbändern 23 übernommen und zwischen Falzrollen 44 gefalzt. Durch Pressrollen 41 werden die Falzstellen jeweils nachgepresst und schliesslich werden die Bogen 4 einzeln über eine Schwertverlängerung 40, beispielsweise an eine hier lediglich angedeutete Fördervorrichtung 2 eines Sammelhefters abgegeben, wo sie von Mitnehmern 52 erfasst und in Figur 1 nach links in Richtung des Pfeils 43 bewegt werden. Die Bogen 4 liegen hierbei rittlings mit dem Falz oben auf der Fördervorrichtung des Sammelhefters auf.The withdrawn sheets 4 are each fed individually to a folding device 6. This consists of a folding blade 39, which-as kann- inclined and tangent to the drum 7 runs. At the folding blade 39 an endless round string 36 is mounted, which is placed around two spaced-apart rollers 37 and 38. The round string 36 cooperates with a folding belt 35 which is driven in the direction of the arrow 42. The withdrawn sheet 4 are taken on the folding blade 39 of the round string 36 and the folding belt 35 of the conveyor belts 23 and folded between folding rollers 44. By pressing rollers 41, the folding points are each re-pressed and finally the sheet 4 are individually delivered via a sword extension 40, for example, to a here only indicated conveyor 2 a saddle stitcher, where they detected by drivers 52 and in FIG. 1 be moved to the left in the direction of arrow 43. The sheets 4 are hereby straddling the fold on top of the conveyor of the saddle stitcher.

Bevor die Bogen 4 jeweils auf das Falzschwert 39 geführt werden, werden sie gemäss Figur 4 zwischen einem Rillrad 17 einer Rillvorrichtung 10 in Transportrichtung gerillt. Die Rillvorrichtung 10 ist an der Trommel fest angeordnet und das Rillrad 17 ist gemäss Figur 1 im Uhrzeigersinn angetrieben. Die Rillvorrichtung 10 besitzt ein weiteres Rillrad mit zylindrischer Umfangsfläche 11, in welche eine umlaufende Nut 13 eingearbeitet ist. Im Abstand zur Nut 13 besitzt die Umfangsfläche 11 gemäss Figur 5 eine Lauffläche 12 für ein Tastrad 15, das rotierbar an einem Arm 21 gelagert ist. Dieser Arm 21 ist gemäss den Figuren 2 und 3 mit der Stange 19 verbunden, die durch ihre Enden mittels Flansche 20 an einem hier nicht gezeigten Maschinengestell befestigt ist. Das Tastrad 15 ist mit einem Wälzlager 26 auf einer Achse 28 gelagert, die wiederum mit Lager 27 in Arm 21 gelagert ist. Das Tastrad 15 besitzt eine zylindrische Umfangsfläche 45, die mit einer Spannvorrichtung 30 federnd an der Lauffläche 12 angepresst wird. Die Anpresskraft wird gemäss Figur 3 von einer Feder 33 erzeugt, die an einer Mutter 53 abgestützt ist, welche auf eine zylindrische Schraube 53 aufgeschraubt ist. Die Mutter 53 ist über ein Teil 54 an einem hier lediglich angedeuteten Gestell 55 abgestützt. Ein Langloch 56 ermöglicht es, die Spannung der Feder 33 einzustellen. Die gespannte Feder 33 wirkt über einen Halter 31 der Spannvorrichtung 30 auf den Arm 21. Der Halter 31 ist fest mit dem Arm 21 verbunden und verläuft etwa rechtwinklig zu diesem. Die Kraft wirkt gemäss Figur 3 in Richtung des Pfeils 47, wobei die Stange 19 die Drehachse bildet. Durch diese Kraft wird das Tastrad 15 am weiteren Rillrad der Rillvorrichtung 10 mit konstanter aber einstellbarer Kraft angepresst.Before the sheets 4 are each guided on the folding blade 39, they are according to FIG. 4 grooved between a creasing wheel 17 of a creasing device 10 in the transport direction. The scoring device 10 is fixed to the drum and the scoring wheel 17 is according to FIG. 1 driven in a clockwise direction. The scoring device 10 has a further scoring wheel with a cylindrical peripheral surface 11, in which a circumferential groove 13 is incorporated. At a distance from the groove 13 has the peripheral surface 11 according to FIG. 5 a running surface 12 for a feeler wheel 15 which is rotatably mounted on an arm 21. This arm 21 is according to the Figures 2 and 3 connected to the rod 19 which is secured by its ends by means of flanges 20 on a machine frame, not shown here. The Tastrad 15 is mounted with a roller bearing 26 on an axle 28, which in turn is mounted with bearing 27 in arm 21. The Tastrad 15 has a cylindrical peripheral surface 45 which is resiliently pressed with a clamping device 30 on the tread 12. The contact force is according to FIG. 3 generated by a spring 33 which is supported on a nut 53 which is screwed onto a cylindrical screw 53. The nut 53 is supported via a part 54 on a frame 55 only indicated here. A slot 56 makes it possible to adjust the tension of the spring 33. The tensioned spring 33 acts via a holder 31 of the tensioning device 30 on the arm 21. The holder 31 is fixedly connected to the arm 21 and extends approximately at right angles to this. The force works according to FIG. 3 in the direction of the arrow 47, wherein the rod 19 forms the axis of rotation. By this force, the feeler wheel 15 is pressed on the other creasing wheel of the creasing device 10 with a constant but adjustable force.

Die Achse 28 ist gemäss Figur 2 über eine exzentrische Verbindung 16 mit einer Achse 18 verbunden, auf welcher mit einem Wälzlager 25 das Tastrad 15 rotierbar gelagert ist. Das Rillrad 17 besitzt an seinem Umfang einen umlaufenden Rillrand 24. Dieser Rillrand 24 greift gemäss Figur 5 bei angepresstem Tastrad 15 mit gleichbleibender Tiefe in die Nut 13 ein. Die Tiefe der Nut 13 beträgt beispielsweise 0,02 mm. Denkbar ist hier auch eine Ausführung, bei welcher die Nut 13 durch einen Steg ersetzt ist und das Rillrad 17 anstelle des Rillrandes 24 eine entsprechende umlaufende Nut besitzt. Wie bereits erwähnt, können beide Rillräder auch so ausgebildet sein, dass die durchlaufenden Bogen 4 perforiert werden.The axis 28 is according to FIG. 2 connected via an eccentric connection 16 with an axis 18, on which with a rolling bearing 25, the Tastrad 15 is rotatably mounted. The creasing wheel 17 has at its periphery a circumferential creasing edge 24. This creasing edge 24 engages according FIG. 5 with pressed Tastrad 15 with constant depth in the groove 13 a. The depth of the groove 13 is for example 0.02 mm. Conceivable here is also an embodiment in which the groove 13 is replaced by a web and the creasing wheel 17 has a corresponding circumferential groove instead of the creasing edge 24. As already mentioned, both creasing wheels can also be designed so that the continuous sheets 4 are perforated.

Die abgezogenen Bogen 4 werden zwischen den Rillrädern 10, 17 bei im Wesentlichen vertikalem Transport im Durchlauf gerillt. Das Tastrad 15 läuft hierbei jeweils auf dem abgezogenen Bogen 4, der durch den Anpressdruck des Tastrades 15 an die Umfangsfläche 11 angepresst wird. Rillrad 17 dreht passiv um die Achse 18, deren Abstand zur Umfangsfläche 11 bzw. zur Nut 13 durch das abtastende Tastrad 15 konstant gehalten wird. Die Lauffläche 12 ist hierbei die Referenzfläche, die konzentrisch zur Nut 13 verläuft. Durch die Verbindung 16 folgt Rillrad 17 den Nachstellbewegungen des Tastrades 15. Eine während der Produktion veränderte Unrundheit oder Exzentrizität wird dadurch ausgeglichen. Der Eingriff des Rillrades 17 in die Nut 13 wird somit konstant gehalten und entsprechend wird die gebildete Rille bzw. Perforation im abgezogenen Bogen 4 gleichmässig tief. Aufgrund der exzentrischen Verbindung zwischen dem Tastrad 15 und der Achse 18 kann der Abstand zwischen der Achse 18 und der Umfangsfläche 11 verstellt werden. Somit ist es möglich, die Rilltiefe genau einzustellen.The withdrawn sheets 4 are grooved between the creasing wheels 10, 17 in a substantially vertical transport in the flow. The Tastrad 15 runs in each case on the withdrawn sheet 4, which is pressed by the contact pressure of the Tastrades 15 to the peripheral surface 11. Creasing wheel 17 rotates passively about the axis 18, the distance to the peripheral surface 11 and the groove 13 is held constant by the scanning feeler 15. The tread 12 here is the reference surface which is concentric with the groove 13. By means of the connection 16, scoring wheel 17 follows the readjustment movements of the feeler wheel 15. A run-out or eccentricity changed during production is thereby compensated. The engagement of the Rillrades 17 in the groove 13 is thus kept constant and, accordingly, the groove or perforation formed in the withdrawn sheet 4 is uniformly deep. Due to the eccentric connection between the feeler wheel 15 and the axis 18, the distance between the axis 18 and the peripheral surface 11 can be adjusted. Thus, it is possible to set the groove depth exactly.

Die gerillten Bogen 4 werden wie oben erläutert der Falzvorrichtung 6 übergeben und mit dieser werden die Bogen 4 entlang der gebildeten Rille zwischen den Falzrollen 44 gefalzt.The grooved sheet 4 are as described above, the folding device 6 passed and with this, the sheet 4 are folded along the groove formed between the folding rollers 44.

Die Anpresskraft des Tastrades 15 am weiteren Rillrad kann gemäss Figur 3 mit einer einen Bowdenzug 29 aufweisenden Verstellvorrichtung 14 verstellt werden. Der Bowdenzug 29 greift mit einem Seil 49 an einer Feder 32 an, welche mit dem Halter 31 verbunden ist. Der Bowdenzug 29 ist an einem gestellfesten Träger 50 angebracht und kann an einem hier nicht gezeigten Handrad betätigt werden. Die Führungshülle 51 des Bowdenzuges 29 ist wie ersichtlich über einen Halter 48 mit dem Arm 21 verbunden. Wird die Feder 32 mit dem Bowdenzug 29 gespannt, so wird ein Gegendruck auf die Feder 33 aufgebaut und damit die Anpresskraft des Tastrades 15 an dem weiteren Rillrad verkleinert. Umgekehrt kann entsprechend die Anpresskraft vergrössert werden.The contact pressure of the Tastrades 15 at the other Rillrad can according to FIG. 3 be adjusted with a Bowden cable 29 having adjustment 14. The Bowden cable 29 engages with a cable 49 on a spring 32 which is connected to the holder 31. The Bowden cable 29 is mounted on a frame-fixed support 50 and can be operated on a hand wheel, not shown here. The guide sleeve 51 of the Bowden cable 29 is as shown connected via a holder 48 with the arm 21. If the spring 32 is tensioned with the Bowden cable 29, then a back pressure is built up on the spring 33 and thus the contact force of the feeler wheel 15 is reduced to the other Rillrad. Conversely, the contact pressure can be increased accordingly.

Claims (11)

  1. Feeder-folder with a drum (7), with which printed sheets (4) may be removed from a stack (3) or overlapping flow for example and fed to a folding device (6), with a scoring device (10), which is arranged on the drum (7) and has a scoring wheel (17), which works together with the drum (7) to score the printed sheets (4), which have been removed, characterised in that the scoring wheel (17) is housed coaxially or parallel to the axis to a feeler wheel (15), which runs on the drum (7) and keeps the distance between the scoring wheel (17) and the circumferential area (11) of the drum (7) constant.
  2. Feeder-folder according to claim 1, characterised in that the feeler wheel (15) is pressed onto the circumferential surface (11) of the drum (7) in a spring loaded way.
  3. Feeder-folder according to claim 1 or 2, characterised in that the scoring wheel (17) is housed so that it can be adjusted radially to the feeler wheel (15).
  4. Feeder-folder according to one of claims 1 to 3, characterised in that the scoring wheel (17) and the feeler wheel (15) form one unit.
  5. Feeder-folder according to one of claims 1 to 4, characterised in that the scoring wheel (17) and the feeler wheel (15) are connected to each other by an eccentric connection (16).
  6. Feeder-folder according to one of claims 1 to 5, characterised in that the scoring wheel (17) and the feeler wheel (15) are supported on an arm (21) arranged so that it can swivel parallel to the axis of the drum (7).
  7. Feeder-folder according to one of claims 1 to 6, characterised in that an adjusting device (14) is provided, with which the contact force of the feeler wheel (15) on the circumferential area (11) of the drum (7) can be adjusted.
  8. Feeder-folder according to one of claims 1 to 7, characterised in that the scoring device (10) is arranged between two wheels forming the drum (7), with which the printed sheets (4) may be removed from a stack (3) and transported essentially vertically downwards.
  9. Feeder-folder according to one of claims 1 to 8, characterised in that the scoring device (10) is made as a ridge or groove (13) running at least partly round the circumference of the drum (7).
  10. Feeder-folder according to claim 9, characterised in that the scoring wheel (17) is made complementary to the scoring device (10) on the circumference.
  11. Feeder-folder according to one of claims 1 to 10, which is made parallel to the fold edge for additional perforation of the printed sheet, characterised in that a perforation device is arranged in addition to the scoring device (17) made as a ridge or in addition to the scoring wheel (17).
EP06405154A 2006-04-10 2006-04-10 Feeder-folder apparatus with device for scoring the sheets Active EP1845046B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE502006002817T DE502006002817D1 (en) 2006-04-10 2006-04-10 Falzanleger with device for the groove of the sheet
EP06405154A EP1845046B1 (en) 2006-04-10 2006-04-10 Feeder-folder apparatus with device for scoring the sheets
US11/783,491 US7537557B2 (en) 2006-04-10 2007-04-10 Folder feeder
JP2007103345A JP4860538B2 (en) 2006-04-10 2007-04-10 Folding paper feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405154A EP1845046B1 (en) 2006-04-10 2006-04-10 Feeder-folder apparatus with device for scoring the sheets

Publications (2)

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EP1845046A1 EP1845046A1 (en) 2007-10-17
EP1845046B1 true EP1845046B1 (en) 2009-02-11

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EP06405154A Active EP1845046B1 (en) 2006-04-10 2006-04-10 Feeder-folder apparatus with device for scoring the sheets

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US (1) US7537557B2 (en)
EP (1) EP1845046B1 (en)
JP (1) JP4860538B2 (en)
DE (1) DE502006002817D1 (en)

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Also Published As

Publication number Publication date
JP4860538B2 (en) 2012-01-25
DE502006002817D1 (en) 2009-03-26
US7537557B2 (en) 2009-05-26
EP1845046A1 (en) 2007-10-17
US20070254793A1 (en) 2007-11-01
JP2007277012A (en) 2007-10-25

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