EP1840066A2 - Rotating holding-down element in a folding unit - Google Patents

Rotating holding-down element in a folding unit Download PDF

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Publication number
EP1840066A2
EP1840066A2 EP07006141A EP07006141A EP1840066A2 EP 1840066 A2 EP1840066 A2 EP 1840066A2 EP 07006141 A EP07006141 A EP 07006141A EP 07006141 A EP07006141 A EP 07006141A EP 1840066 A2 EP1840066 A2 EP 1840066A2
Authority
EP
European Patent Office
Prior art keywords
hold
down element
folding
folding blade
printed product
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.)
Granted
Application number
EP07006141A
Other languages
German (de)
French (fr)
Other versions
EP1840066B1 (en
EP1840066A3 (en
Inventor
Manfred Batke
Franz Rumesz
Wolfgang Sattler
Wolfgang Jäger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
Manroland AG
MAN Roland Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Manroland AG, MAN Roland Druckmaschinen AG filed Critical Manroland AG
Publication of EP1840066A2 publication Critical patent/EP1840066A2/en
Publication of EP1840066A3 publication Critical patent/EP1840066A3/en
Application granted granted Critical
Publication of EP1840066B1 publication Critical patent/EP1840066B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/167—Rotary folders with folding jaw cylinders having associated sheet guide means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/62—Folding-cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/08—Holding devices, e.g. finger, needle, suction, for retaining articles in registered position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4433—Moving, forwarding, guiding material by acting on surface of handled material by means holding the material
    • B65H2301/44331—Moving, forwarding, guiding material by acting on surface of handled material by means holding the material at particular portion of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/53—Rotary gripping arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1311—Edges leading edge

Definitions

  • the invention relates to a folding apparatus of a rotary printing press, and more particularly to the transfer of the printed product from a folding blade cylinder to a jaw cylinder.
  • the folding blade cylinder has holding devices to hold the printed product on the surface of the folding blade.
  • the holding device can be designed, for example, in the form of a puncture device. Due to the arrangement of jaw cylinder and folding blade to each other, it is necessary for decrease of the printed product by the jaw cylinder that the puncture in the forward direction, the printed product releases. By releasing the printed product, the leading end of the printed product is no longer guided defined so that it can cause buckling and cracks on the printed product.
  • a folding apparatus which has a folding blade cylinder and a jaw cylinder.
  • the folding blade cylinder has holding elements, such as e.g. a puncture or puncture device, so that the folding blade is also called NOTEurzylinder.
  • the folding blade cylinder can take on other functions, such as e.g. Collecting the printed products, so that the folding blade cylinder is also called collecting cylinder.
  • Folding blade cylinder and jaw cylinder come in a transfer section next. In this transfer section, the printed product is folded transversely by the folding blade pushes the printed product in the jaw.
  • the so-called gusset which lies in the region downstream of the transfer section in the direction of rotation, a rotating hold-down element is provided.
  • the rotating hold-down element which may for example be in the form of a cam, serves to press the leading edge of the printed product against the folding blade cylinder as soon as the puncturing device has released the printed product.
  • the shape of the hold-down element is not limited to the cam shape. Rather, any shape is conceivable as long as only at the time of release of the printed product by the puncturing the function of holding down the printed product is met and released at the time of transfer to the jaw cylinder, the path between Falzmesserzylinder and jaw cylinder, which takes the printed product through the rotating hold-down is.
  • the hold-down element itself or the storage of the hold-down element must be such that the distance between hold-down element and folding blade varies during rotation of the hold-down element. That is, the shape of the hold-down element and the speeds of hold-down element and Folding blade cylinders must be designed such that the space between the folding blade cylinder and hold-down element per printed product is at least once minimal.
  • the at least one hold-down element is used in combination with a guide tongue.
  • the leader is a preferably rigid member between folding blade cylinder and jaw cylinder, which provides a guide for the printed product, which is removed by the folding jaw cylinder of the folding blade cylinder.
  • a plurality of Leitzungen between folding blade and jaw cylinder arranged so that the whole product width is performed.
  • it should be provided to rotate at least two hold-down elements at or between the guide tongues.
  • rigid guide tongues in this context is optional, since it is also possible to realize the guidance of the printed product from folding blade cylinder to jaw cylinder by means of corresponding movable components or even by appropriately adapted hold-down elements.
  • the hold-down element does not interfere with the guiding function of the guide tongue. That is, if a printed product is guided on a guide surface of the at least one guide tab, the rotating hold-down element must not damage the product.
  • the hold-down element is provided to equip the hold-down element with a single drive, which can be controlled or regulated in its rotational speed.
  • a single drive which can be controlled or regulated in its rotational speed.
  • the hold-down element can be controlled by the individual drive adapt to the delayed movement of the printed product, so that it does not come to the relative movement between the printed product and hold-down element.
  • the support by means of an air flow increases the functional range of the hold-down element.
  • the air flow can be accomplished on the one hand by a corresponding shaping of the hold-down element, but it can also by providing a corresponding compressed air device, e.g. in the area between the cylinders.
  • the compressed air device can be realized, for example, in the form of a compressed air beam running transversely along the guide tongues. Further, the compressed air beam can be mounted on the hold-down element, so that the flow of compressed air is predetermined by the movement of the hold-down elements.
  • the compressed air device can be controlled so that compressed air always flows out when the leading end of the printed product has been released by the puncturing device.
  • the distance between hold-down element and folding blade cylinder is adjustable, so that the distance can be adapted to the printed product thickness.
  • the folding apparatus shown in FIG. 1 has a folding blade cylinder 2 and a jaw cylinder 3.
  • the folding blade 2 is equipped with evenly distributed on the circumference folding blades 13.
  • the jaws 4 interact with the folding blades 13 such that a folding blade 13 presses the printed product 5 in the jaw 4 and the printed product 5 is then held by the jaw 4.
  • the folding blade cylinder 2 has a puncture 1, which holds the printed product 5 at through the puncture 1 resulting holes.
  • the puncture 1 must be retracted at the latest, i. the printed product 5 must be released from the puncture 1. Due to the rotational speed of the folding blade 2, the printed product 5 thereupon lifts off from the folding blade cylinder 2 and is detected by the cam 6 arriving at this time.
  • the cam 6 is adapted in its speed to the speed of the printed product 5, so that the freshly printed substrate is not damaged, i. so that it does not come to a so-called greasing of the color on the printed product.
  • the printed product 5 is delayed to zero speed and then conveyed along the Leitzungen 9 in the direction of the jaw cylinder 3.
  • the protruding part of the cam 6 is behind the guide tongue 9, so that the path of the printed product 5 along the guide surface 9 is not disturbed.
  • Figure 2 shows a plan view of the inventive arrangement.
  • the shaft 10 for running as cams 6 hold-down elements and the mounting rod 11 for attachment of the lead tongues 8 are immediately adjacent arranged.
  • the cam 6 is respectively disposed between the guide tongues 8, but it is also possible to attach the cam 6 outside the outermost lead tongues 8.
  • FIG. 3 shows a perspective view of the shaft 10 for the cam disks 6 and of the fastening rod 11 for the guide tongues 8.
  • the drive 12 of the shaft 10 for the cam disks 6 is shown in FIG. It should be noted in this context that this can be a controllable single drive. Furthermore, however, the use of a drive is conceivable, which also drives other components of the folder.

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

Abstract

The unit has a retaining element (1) with a folding blade cylinder (2) and a folding jaw cylinder (3), which removes a printed product (5) over a folding flap (4) in a handover section (7) from the folding blade cylinder. The rotating retaining element (6), which is arranged in the direction of rotation of the folding blade cylinder in the handover section, presses down a printed product edge running over the folding blade cylinder in the direction of the folding blade cylinder.

Description

Die Erfindung betrifft einen Falzapparat einer Rotationsdruckmaschine und insbesondere die Überführung des Druckproduktes von einem Falzmesserzylinder zu einem Falzklappenzylinder.The invention relates to a folding apparatus of a rotary printing press, and more particularly to the transfer of the printed product from a folding blade cylinder to a jaw cylinder.

Bei Falzapparaten ist es bekannt, Produkte an der Mantelfläche eines Falzmesserzylinders zu halten und zu einem Falzklappenzylinder zu überführen. Dort werden die Druckprodukte von einem Falzmesser zur Querfalzung in eine Falzklappe des Falzklappenzylinders übergeben. Der Falzmesserzylinder weist Haltevorrichtungen auf, um das Druckprodukt an der Oberfläche des Falzmesserzylinders zu halten. Die Haltevorrichtung kann beispielsweise in Form einer Punktureinrichtung ausgebildet sein. Aufgrund der Anordnung von Falzklappenzylinder und Falzmesserzylinder zueinander, ist es bei Abnahme des Druckprodukts durch den Falzklappenzylinder notwendig, dass die Punktur in Vorlaufrichtung das Druckprodukt frei gibt. Durch das Freigeben des Druckproduktes wird das vorlaufende Ende des Druckprodukts nicht mehr definiert geführt, so dass es zu Knicken und Rissen am Druckprodukt kommen kann.In folders, it is known to hold products on the lateral surface of a folding blade and transfer to a jaw cylinder. There, the printed products are transferred from a folding blade for Querfalzung in a jaw of the jaw cylinder. The folding blade cylinder has holding devices to hold the printed product on the surface of the folding blade. The holding device can be designed, for example, in the form of a puncture device. Due to the arrangement of jaw cylinder and folding blade to each other, it is necessary for decrease of the printed product by the jaw cylinder that the puncture in the forward direction, the printed product releases. By releasing the printed product, the leading end of the printed product is no longer guided defined so that it can cause buckling and cracks on the printed product.

Ausgehend von dieser Problematik ist es Aufgabe der vorliegenden Erfindung, einen Falzapparat bereit zu stellen, der es ermöglicht, ein Druckprodukt ohne Beschädigungen vom Falzmesserzylinder auf den Falzklappenzylinder zu übergeben.Based on this problem, it is an object of the present invention to provide a folder, which makes it possible to transfer a printed product without damage from the folding blade cylinder on the jaw cylinder.

Diese Aufgabe wird durch den unabhängigen Anspruch 1 der vorliegenden Erfindung gelöst. Die abhängigen Ansprüche sind vorteilhafte Ausgestaltungen der Erfindung.This object is solved by independent claim 1 of the present invention. The dependent claims are advantageous embodiments of the invention.

Erfindungsgemäß ist ein Falzapparat vorgesehen, der einen Falzmesserzylinder und einen Falzklappenzylinder aufweist. Der Falzmesserzylinder weist Halteelemente auf, wie z.B. eine Punktur bzw. Punktureinrichtung, so dass der Falzmesserzylinder auch Punkturzylinder genannt wird. Ferner kann der Falzmesserzylinder weitere Funktionen übernehmen, wie z.B. das Sammeln der Druckprodukte, so dass der Falzmesserzylinder auch Sammelzylinder genannt wird. Falzmesserzylinder und Falzklappenzylinder kommen sich in einem Übergabeabschnitt am Nächsten. In diesem Übergabeabschnitt wird das Druckprodukt quer gefalzt, indem das Falzmesser das Druckprodukt in die Falzklappe schiebt. In dem Bereich zwischen Falzmesserzylinder und Falzklappenzylinder, dem sog. Zwickel, der in dem in Umlaufrichtung dem Übergabeabschnitt nachgelagertem Bereich liegt, ist ein rotierendes Niederhalteelement vorgesehen.According to the invention, a folding apparatus is provided, which has a folding blade cylinder and a jaw cylinder. The folding blade cylinder has holding elements, such as e.g. a puncture or puncture device, so that the folding blade is also called Punkturzylinder. Furthermore, the folding blade cylinder can take on other functions, such as e.g. Collecting the printed products, so that the folding blade cylinder is also called collecting cylinder. Folding blade cylinder and jaw cylinder come in a transfer section next. In this transfer section, the printed product is folded transversely by the folding blade pushes the printed product in the jaw. In the area between the folding blade cylinder and the jaw cylinder, the so-called gusset, which lies in the region downstream of the transfer section in the direction of rotation, a rotating hold-down element is provided.

Das rotierende Niederhalteelement, das beispielsweise in Form einer Nocke ausgebildet sein kann, dient dazu, die vorlaufende Kante des Druckproduktes an den Falzmesserzylinder zu drücken, sobald die Punktureinrichtung das Druckprodukt freigegeben hat.The rotating hold-down element, which may for example be in the form of a cam, serves to press the leading edge of the printed product against the folding blade cylinder as soon as the puncturing device has released the printed product.

Die Form des Niederhalteelements ist allerdings nicht auf die Nockenform eingeschränkt. Vielmehr ist jede Form denkbar, solange nur zum Zeitpunkt der Freigabe des Druckproduktes durch die Punktureinrichtung die Funktion des Niederhaltens des Druckproduktes erfüllt wird und zum Zeitpunkt der Übergabe an den Falzklappenzylinder der Weg zwischen Falzmesserzylinder und Falzklappenzylinder, den das Druckprodukt nimmt, durch das rotierende Niederhalteelement freigegeben ist.However, the shape of the hold-down element is not limited to the cam shape. Rather, any shape is conceivable as long as only at the time of release of the printed product by the puncturing the function of holding down the printed product is met and released at the time of transfer to the jaw cylinder, the path between Falzmesserzylinder and jaw cylinder, which takes the printed product through the rotating hold-down is.

Erfindungsgemäß muss, gemäß einer vorteilhaften Ausgestaltung der Erfindung, das Niederhalteelement selbst oder die Lagerung des Niederhalteelements so beschaffen sein, dass der Abstand zwischen Niederhalteelement und Falzmesserzylinder während einer Drehung des Niederhalteelements variiert. Das heißt, die Form des Niederhalteelements und die Drehzahlen von Niederhalteelement und Falzmesserzylinder müssen derart ausgelegt sein, dass der Raum zwischen Falzmesserzylinder und Niederhalteelement pro Druckprodukt zumindest einmal minimal wird.According to the invention, according to an advantageous embodiment of the invention, the hold-down element itself or the storage of the hold-down element must be such that the distance between hold-down element and folding blade varies during rotation of the hold-down element. That is, the shape of the hold-down element and the speeds of hold-down element and Folding blade cylinders must be designed such that the space between the folding blade cylinder and hold-down element per printed product is at least once minimal.

Gemäß einer weiteren Ausgestaltung der Erfindung wird das mindestens eine Niederhalteelement in Kombination mit einer Leitzunge verwendet. Die Leitzunge ist ein vorzugsweise starres Bauteil zwischen Falzmesserzylinder und Falzklappenzylinder, das eine Führung für das Druckprodukt bietet, das durch den Falzklappenzylinder von dem Falzmesserzylinder abgenommen wird. Vorteilhafterweise sind mehrere Leitzungen zwischen Falzmesserzylinder und Falzklappenzylinder angeordnet, so dass die ganze Produktbreite geführt wird. Ferner ist es vorzusehen, mindestens zwei Niederhalteelemente an oder zwischen den Leitzungen rotieren zu lassen. Es sei darauf hingewiesen, dass die Verwendung von starren Leitzungen in diesem Zusammenhang optional ist, da es auch möglich ist, die Führung des Druckproduktes von Falzmesserzylinder zu Falzklappenzylinder mittels entsprechenden beweglichen Bauteilen oder sogar durch entsprechend angepasste Niederhalteelemente zu verwirklichen. Beim Zusammenspiel von Leitzunge und Niederhalteelement muss darauf geachtet werden, dass das Niederhalteelement nicht die Führungsfunktion der Leitzunge beeinträchtigt. Das heißt, wenn auf einer Führungsfläche der mindestens einen Leitzunge ein Druckprodukt geführt wird, darf das rotierende Niederhalteelement das Produkt nicht beschädigen.According to a further embodiment of the invention, the at least one hold-down element is used in combination with a guide tongue. The leader is a preferably rigid member between folding blade cylinder and jaw cylinder, which provides a guide for the printed product, which is removed by the folding jaw cylinder of the folding blade cylinder. Advantageously, a plurality of Leitzungen between folding blade and jaw cylinder arranged so that the whole product width is performed. Furthermore, it should be provided to rotate at least two hold-down elements at or between the guide tongues. It should be noted that the use of rigid guide tongues in this context is optional, since it is also possible to realize the guidance of the printed product from folding blade cylinder to jaw cylinder by means of corresponding movable components or even by appropriately adapted hold-down elements. In the interaction between the guide tongue and hold-down element, care must be taken that the hold-down element does not interfere with the guiding function of the guide tongue. That is, if a printed product is guided on a guide surface of the at least one guide tab, the rotating hold-down element must not damage the product.

Gemäß einer weiteren Ausgestaltung der Erfindung ist vorgesehen, das Niederhalteelement mit einem Einzelantrieb auszustatten, der in seiner Drehgeschwindigkeit steuer- bzw. regelbar ist. Durch die Steuerung der Drehgeschwindigkeit des Niederhalteelements wird es möglich, das Niederhalteelement in seiner Geschwindigkeit an die Geschwindigkeit des Druckproduktes anzupassen. Bei der Übergabe des Druckproduktes vom Falzmesserzylinder auf den Falzklappenzylinder wird das Druckprodukt bis zum Stillstand verzögert und dann bei der Abnahme des Druckproduktes vom Falzmesserzylinder in eine andere Bewegungsrichtung beschleunigt. Das Niederhalteelement kann sich durch den gesteuerten Einzelantrieb an die verzögerte Bewegung des Druckproduktes anpassen, so dass es nicht zur Relativbewegung zwischen Druckprodukt und Niederhalteelement kommt.According to a further embodiment of the invention, it is provided to equip the hold-down element with a single drive, which can be controlled or regulated in its rotational speed. By controlling the rotational speed of the hold-down element, it becomes possible to adapt the hold-down element in its speed to the speed of the printed product. During the transfer of the printed product from the folding blade cylinder on the jaw cylinder, the printed product is delayed to a standstill and then accelerated in the decrease of the printed product from the folding blade in a different direction of movement. The hold-down element can be controlled by the individual drive adapt to the delayed movement of the printed product, so that it does not come to the relative movement between the printed product and hold-down element.

Gemäß einer weiteren Ausgestaltung der Erfindung ist vorgesehen, die Funktion des Niederdrückens des Druckproduktes auf den Falzmesserzylinder durch eine geeignete Luftströmung zu unterstützen. Durch die Unterstützung mittels einer Luftströmung wird die Funktionsreichweite des Niederhalteelements vergrößert. Die Luftströmung kann einerseits durch eine entsprechende Formgebung des Niederhalterelements bewerkstelligt werden, sie kann aber auch durch das Bereitstellen einer entsprechenden Drucklufteinrichtung z.B. im Bereich zwischen den Zylindern erfolgen. Die Drucklufteinrichtung kann beispielsweise in Form eines in Querrichtung entlang der Leitzungen verlaufenden Druckluftbalkens verwirklicht werden. Ferner kann der Druckluftbalken auf dem Niederhalteelement angebracht sein, so dass die Strömung der Druckluft durch die Bewegung der Niederhalteelemente vorgegeben wird. Darüber hinaus kann die Drucklufteinrichtung gesteuert sein, so dass Druckluft immer dann ausströmt, wenn das vorlaufende Druckproduktende durch die Punktureinrichtung freigegeben wurde.According to a further embodiment of the invention, it is provided to assist the function of pressing the printed product onto the folding blade cylinder by means of a suitable air flow. The support by means of an air flow increases the functional range of the hold-down element. The air flow can be accomplished on the one hand by a corresponding shaping of the hold-down element, but it can also by providing a corresponding compressed air device, e.g. in the area between the cylinders. The compressed air device can be realized, for example, in the form of a compressed air beam running transversely along the guide tongues. Further, the compressed air beam can be mounted on the hold-down element, so that the flow of compressed air is predetermined by the movement of the hold-down elements. In addition, the compressed air device can be controlled so that compressed air always flows out when the leading end of the printed product has been released by the puncturing device.

Gemäß einer weiteren Ausgestaltung der Erfindung ist der Abstand zwischen Niederhalteelement und Falzmesserzylinder einstellbar, so dass der Abstand an die Druckproduktdicke angepasst werden kann.According to a further embodiment of the invention, the distance between hold-down element and folding blade cylinder is adjustable, so that the distance can be adapted to the printed product thickness.

Die vorliegende Erfindung wird anhand von Zeichnungen einer Ausführungsform der Erfindung näher erläutert. Es zeigt:

Figur 1
eine Seitenansicht von Falzmesserzylinder und Falzklappenzylinder mit im Zwickel angeordneter rotierender Niederhalteeinheit;
Figur 2
eine Draufsicht auf die Leitzungen und Niederhalteelemente zwischen Falzmesserzylinder und Falzklappenzylinder und
Figur 3
eine perspektivische Ansicht der Leitzungen und der rotierenden Niederhalteelemente.
The present invention will be explained in more detail with reference to drawings of an embodiment of the invention. It shows:
FIG. 1
a side view of folding blade and jaw cylinder arranged in the gusset rotating holding down unit;
FIG. 2
a plan view of the Leitzungen and hold-down elements between Falzmesserzylinder and jaw cylinder and
FIG. 3
a perspective view of the Leitzungen and the rotating hold-down elements.

Der in Figur 1 gezeigte Falzapparat weist einen Falzmesserzylinder 2 und einen Falzklappenzylinder 3 auf. Der Falzmesserzylinder 2 ist mit gleichmäßig am Umfang verteilten Falzmessern 13 bestückt. Die Falzklappen 4 wirken mit den Falzmessern 13 derart zusammen, dass ein Falzmesser 13 das Druckprodukt 5 in die Falzklappe 4 drückt und das Druckprodukt 5 daraufhin von der Falzklappe 4 gehalten wird. Ferner weist der Falzmesserzylinder 2 eine Punktur 1 auf, die das Druckprodukt 5 an durch die Punktur 1 entstehenden Löchern hält.The folding apparatus shown in FIG. 1 has a folding blade cylinder 2 and a jaw cylinder 3. The folding blade 2 is equipped with evenly distributed on the circumference folding blades 13. The jaws 4 interact with the folding blades 13 such that a folding blade 13 presses the printed product 5 in the jaw 4 and the printed product 5 is then held by the jaw 4. Furthermore, the folding blade cylinder 2 has a puncture 1, which holds the printed product 5 at through the puncture 1 resulting holes.

Sobald durch die Rotation von Falzmesserzylinder 2 und Falzklappenzylinder 3 das Druckprodukt 5 zwischen Falzklappe 4 und Punktur 1 unter Spannung gerät, muss die Punktur 1 spätestens zurückgefahren werde, d.h. das Druckprodukt 5 muss von der Punktur 1 freigegeben werden. Bedingt durch die Rotationsgeschwindigkeit des Falzmesserzylinders 2 hebt das Druckprodukt 5 daraufhin vom Falzmesserzylinder 2 ab und wird von der zu diesem Zeitpunkt eintreffenden Kurvenscheibe 6 erfasst. Die Kurvenscheibe 6 ist in ihrer Geschwindigkeit an die Geschwindigkeit des Druckproduktes 5 angepasst, so dass der frisch bedruckte Bedruckstoff nicht beschädigt wird, d.h. so dass es nicht zu einem so genannten Abschmieren der Farbe auf dem Druckprodukt kommt. Durch die Übernahme des Druckproduktes von dem Falzklappenzylinder 3 wird das Druckprodukt 5 auf die Geschwindigkeit Null verzögert und dann entlang der Leitzungen 9 in Richtung des Falzklappenzylinders 3 gefördert. Zum Zeitpunkt der Führung des Druckproduktes 5 entlang der Führungsfläche 9 der Leitzunge 8 ist der hervorstehende Teil der Kurvenscheibe 6 hinter der Leitzunge 9, so dass der Weg des Druckproduktes 5 entlang der Führungsfläche 9 nicht gestört wird.As soon as the printed product 5 between folding jaw 4 and 1 puncture 1 comes under tension by the rotation of folding blade cylinder 2 and jaw cylinder 3, the puncture 1 must be retracted at the latest, i. the printed product 5 must be released from the puncture 1. Due to the rotational speed of the folding blade 2, the printed product 5 thereupon lifts off from the folding blade cylinder 2 and is detected by the cam 6 arriving at this time. The cam 6 is adapted in its speed to the speed of the printed product 5, so that the freshly printed substrate is not damaged, i. so that it does not come to a so-called greasing of the color on the printed product. By taking over the printed product from the jaw cylinder 3, the printed product 5 is delayed to zero speed and then conveyed along the Leitzungen 9 in the direction of the jaw cylinder 3. At the time of guiding the printed product 5 along the guide surface 9 of the guide tongue 8, the protruding part of the cam 6 is behind the guide tongue 9, so that the path of the printed product 5 along the guide surface 9 is not disturbed.

Figur 2 zeigt eine Draufsicht auf die erfindungsgemäße Anordnung. Die Welle 10 für die als Kurvenscheiben 6 ausgeführten Niederhalteelemente und die Befestigungsstange 11 zur Befestigung der Leitzungen 8 sind unmittelbar nebeneinander angeordnet. In dieser Ausführungsform wird die Kurvenscheibe 6 jeweils zwischen den Leitzungen 8 angeordnet, jedoch ist es auch möglich, die Kurvenscheiben 6 außen neben die äußersten Leitzungen 8 anzubringen.Figure 2 shows a plan view of the inventive arrangement. The shaft 10 for running as cams 6 hold-down elements and the mounting rod 11 for attachment of the lead tongues 8 are immediately adjacent arranged. In this embodiment, the cam 6 is respectively disposed between the guide tongues 8, but it is also possible to attach the cam 6 outside the outermost lead tongues 8.

Figur 3 zeigt eine perspektivische Ansicht der Welle 10 für die Kurvenscheiben 6 und der Befestigungsstange 11 für die Leitzungen 8. Darüber hinaus ist in Figur 3 der Antrieb 12 der Welle 10 für die Kurvenscheiben 6 gezeigt. Es wird in diesem Zusammenhang darauf hingewiesen, dass es sich hierbei um einen steuerbaren Einzelantrieb handeln kann. Ferner ist aber auch die Verwendung eines Antriebs denkbar, der auch noch weitere Bauelemente des Falzapparats antreibt.FIG. 3 shows a perspective view of the shaft 10 for the cam disks 6 and of the fastening rod 11 for the guide tongues 8. In addition, the drive 12 of the shaft 10 for the cam disks 6 is shown in FIG. It should be noted in this context that this can be a controllable single drive. Furthermore, however, the use of a drive is conceivable, which also drives other components of the folder.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Halteelementretaining element
22
Falzmesserzylinderfolding blade
33
Falzklappenzylinderjaw cylinder
44
Falzklappejaw
55
Druckproduktprint product
66
NiederhalteelementDown member
77
ÜbergabeabschnittTransfer section
88th
Leitzungeguide tongue
99
Führungsflächeguide surface
1010
Welle für die KurvenscheibenShaft for the cams
1111
Befestigungsstange für LeitzungenTie rod for Leitzungen
1212
Antriebdrive
1313
Falzmesserfolding blade

Claims (17)

Falzapparat mit einem mindestens ein Halteelement (1) aufweisenden Falzmesserzylinder (2) und einem Falzklappenzylinder (3), der über eine Falzklappe (4) ein Druckprodukt (5) in einem Übergabeabschnitt (7) von dem Falzmesserzylinder (2) abnimmt, gekennzeichnet durch ein rotierendes Niederhalteelement (6), das in Rotationsrichtung des Falzmesserzylinders nach dem Übergabeabschnitt (7) angeordnet ist, zum Niederdrücken einer auf dem Falzmesserzylinder (2) vorlaufenden Druckproduktkante in Richtung des Falzmesserzylinders (2).Folder with a folding blade cylinder (2) having at least one holding element (1) and a folding jaw cylinder (3) which, via a folding flap (4), removes a printed product (5) in a transfer section (7) from the folding blade cylinder (2), characterized by rotating hold-down element (6) which is arranged in the direction of rotation of the folding blade after the transfer section (7) for depressing a pressure product edge leading on the folding blade cylinder (2) in the direction of the folding blade cylinder (2). Falzapparat nach Anspruch 1, dadurch gekennzeichnet, dass das Niederhalteelement (6) derart geformt und/oder gelagert ist, dass ein Abstand zwischen dem Niederhalteelement (6) und dem Falzmesserzylinder (2) während der Drehung des Niederhalteelements (6) variiert.Folding apparatus according to claim 1, characterized in that the hold-down element (6) is shaped and / or stored such that a distance between the hold-down element (6) and the folding blade (2) during the rotation of the hold-down element (6) varies. Falzapparat nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mindestens ein rotierendes Niederhalteelement (6) an einer Leitzunge (8) oder zwischen mehreren Leitzungen (8) zum Führen des Druckproduktes (5) vom Falzmesserzylinder (2) zum Falzklappenzylinder (3) auf der Führungsfläche (9) angeordnet ist.Folding apparatus according to claim 1 or 2, characterized in that at least one rotating hold-down element (6) on a Leitzunge (8) or between a plurality of Leitzungen (8) for guiding the printed product (5) from the folding blade cylinder (2) to the jaw cylinder (3) on the Guide surface (9) is arranged. Falzapparat nach Anspruch 3, dadurch gekennzeichnet, dass Drehgeschwindigkeit und Form des Niederhalteelements (6) derart auf die Leitzunge (8) und die Geschwindigkeit des Druckproduktes (5) abgestimmt sind, dass die Funktion einer Führungsfläche (9) der Leitzunge (8) nicht durch das Niederhalteelements (6) beeinträchtigt wird.Folding apparatus according to claim 3, characterized in that the rotational speed and shape of the hold-down element (6) are adapted to the Leitzunge (8) and the speed of the printed product (5), that the function of a guide surface (9) of the Leitzunge (8) not through the hold-down element (6) is impaired. Falzapparat nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass Form und Drehzahl des Niederhalteelements (6) auf die Drehzahl des Falzmesserzylinders (2) abgestimmt sind.Folder according to one of the preceding claims, characterized in that the shape and speed of the hold-down element (6) are adapted to the speed of the folding blade (2). Falzapparat nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Niederhalteelement (6) mit einem Einzelantrieb ausgestattet ist.Folder according to one of the preceding claims, characterized in that the hold-down element (6) is equipped with a single drive. Falzapparat nach Anspruch 6, dadurch gekennzeichnet, dass der Einzelantrieb eine Steuerung oder Regelung aufweist, um die Drehgeschwindigkeit des Niederhalteelements (6) anzupassen.Folding apparatus according to claim 6, characterized in that the individual drive has a control or regulation to adjust the rotational speed of the hold-down element (6). Falzapparat nach Anspruch 7, dadurch gekennzeichnet, dass der Einzelantrieb derart gesteuert oder geregelt wird, dass die Drehgeschwindigkeit des Niederhalteelements während einer Umdrehung variierbar ist.Folding apparatus according to claim 7, characterized in that the individual drive is controlled or regulated such that the rotational speed of the hold-down element is variable during a revolution. Falzapparat nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Niederhalteelement (6) derart geformt ist, dass durch die Drehung des Niederhalteelements (6) eine Luftströmung zum Niederdrücken des Druckprodukts (5) in Richtung des Falzmesserzylinders (2) erzeugt wird.Folding apparatus according to one of claims 1 to 8, characterized in that the hold-down element (6) is shaped such that by the rotation of the hold-down element (6) an air flow for depressing the printed product (5) in the direction of the folding blade (2) is generated. Falzapparat nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass eine Drucklufteinrichtung vorgesehen ist, um eine Luftströmung zum Niederdrücken des Druckprodukts (5) in Richtung des Falzmesserzylinders (2) zu erzeugen.Folding apparatus according to one of the preceding claims, characterized in that a compressed air device is provided to generate an air flow for depressing the printed product (5) in the direction of the folding blade cylinder (2). Falzapparat nach Anspruch 10, dadurch gekennzeichnet, dass die Drucklufteinrichtung an dem Niederhalteelement (6) vorgesehen ist, um eine Luftströmung zum Niederdrücken des Druckprodukts in Richtung des Falzmesserzylinders (2) zu erzeugen.Folding apparatus according to claim 10, characterized in that the compressed air device is provided on the hold-down element (6) in order to generate an air flow for depressing the printed product in the direction of the folding blade cylinder (2). Falzapparat nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass eine Beaufschlagung der Drucklufteinrichtung mit Druckluft in Abhängigkeit von der Winkellage des Niederhalteelements (6) und/oder Lage des Druckproduktes (5) und/oder Winkellage des Falzmesserzylinders (2) gesteuert oder geregelt ist.Folding apparatus according to claim 10 or 11, characterized in that an application of compressed air to the compressed air in dependence on the angular position of the hold-down element (6) and / or position of the printed product (5) and / or angular position of the folding blade (2) is controlled or regulated. Falzapparat nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das rotierende Niederhalteelement (6) eine Kurvenscheibe ist.Folding apparatus according to one of the preceding claims, characterized in that the rotating hold-down element (6) is a cam. Falzapparat nach Anspruch 13, dadurch gekennzeichnet, dass die Kurvenscheibe nockenförmig ausgebildet ist.Folder according to claim 13, characterized in that the cam is cam-shaped. Falzapparat nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das rotierende Niederhalteelement (6) mindestens ein rotierendes Federelement aufweist.Folding apparatus according to one of claims 1 to 12, characterized in that the rotating hold-down element (6) has at least one rotating spring element. Falzapparat nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Falzmesserzylinder (2) ebenso ein Punktur- und/oder Sammelzylinder ist.Folder according to one of the preceding claims, characterized in that the folding blade cylinder (2) is also a puncture and / or collecting cylinder. Falzapparat nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Abstand zwischen dem Niederhalteelement (6) und dem Falzmesserzylinder (2) abhängig von der Dicke des Druckprodukts (5) einstellbar ist.Folding apparatus according to one of the preceding claims, characterized in that the distance between the hold-down element (6) and the folding blade (2) is adjustable depending on the thickness of the printed product (5).
EP07006141A 2006-03-28 2007-03-26 Rotating holding-down element in a folding unit Not-in-force EP1840066B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006014219A DE102006014219A1 (en) 2006-03-28 2006-03-28 Copy guide in the folder

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EP1840066A2 true EP1840066A2 (en) 2007-10-03
EP1840066A3 EP1840066A3 (en) 2008-06-25
EP1840066B1 EP1840066B1 (en) 2011-10-26

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EP (1) EP1840066B1 (en)
AT (1) ATE530484T1 (en)
DE (1) DE102006014219A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2749415A1 (en) 2012-12-31 2014-07-02 Goss International Americas, Inc. Dynamic guide for a paper folding machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494949A (en) * 1983-01-10 1985-01-22 The Lehigh Press, Inc. Sheet folding apparatus and method
DE3705195A1 (en) * 1987-02-19 1988-09-01 Frankenthal Ag Albert CONTROL DEVICE
DE8809285U1 (en) * 1988-07-20 1988-09-01 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4217814A1 (en) * 1992-05-29 1993-12-02 Heidelberger Druckmasch Ag Device to support the controlled transport of copies in the folder of rotary printing presses
EP1207128A2 (en) * 2000-11-16 2002-05-22 Heidelberger Druckmaschinen Aktiengesellschaft Folding apparatus with a guiding device
EP1209112A2 (en) * 2000-11-27 2002-05-29 Tokyo Kikai Seisakusho Ltd. Guide apparatus for use in folder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494949A (en) * 1983-01-10 1985-01-22 The Lehigh Press, Inc. Sheet folding apparatus and method
DE3705195A1 (en) * 1987-02-19 1988-09-01 Frankenthal Ag Albert CONTROL DEVICE
DE8809285U1 (en) * 1988-07-20 1988-09-01 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4217814A1 (en) * 1992-05-29 1993-12-02 Heidelberger Druckmasch Ag Device to support the controlled transport of copies in the folder of rotary printing presses
EP1207128A2 (en) * 2000-11-16 2002-05-22 Heidelberger Druckmaschinen Aktiengesellschaft Folding apparatus with a guiding device
EP1209112A2 (en) * 2000-11-27 2002-05-29 Tokyo Kikai Seisakusho Ltd. Guide apparatus for use in folder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2749415A1 (en) 2012-12-31 2014-07-02 Goss International Americas, Inc. Dynamic guide for a paper folding machine
US9878871B2 (en) 2012-12-31 2018-01-30 Goss International Americas, Inc. Dynamic guide for a paper folding machine

Also Published As

Publication number Publication date
EP1840066B1 (en) 2011-10-26
EP1840066A3 (en) 2008-06-25
ATE530484T1 (en) 2011-11-15
DE102006014219A1 (en) 2007-10-04

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