EP1475335B1 - Folder with at least one pair of shafts having cutters. - Google Patents

Folder with at least one pair of shafts having cutters. Download PDF

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Publication number
EP1475335B1
EP1475335B1 EP20040003887 EP04003887A EP1475335B1 EP 1475335 B1 EP1475335 B1 EP 1475335B1 EP 20040003887 EP20040003887 EP 20040003887 EP 04003887 A EP04003887 A EP 04003887A EP 1475335 B1 EP1475335 B1 EP 1475335B1
Authority
EP
European Patent Office
Prior art keywords
folding machine
shafts
blade shafts
machine according
cassette
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP20040003887
Other languages
German (de)
French (fr)
Other versions
EP1475335A1 (en
Inventor
Christoph Beck
Georg Dannemann
Jürgen Geue
Bodo Tegtmeier
Eberhard Krieger
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.)
MBO Postpress Solutions GmbH
Original Assignee
Maschinenbau Oppenweiler Binder GmbH and Co KG
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Filing date
Publication date
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Application filed by Maschinenbau Oppenweiler Binder GmbH and Co KG filed Critical Maschinenbau Oppenweiler Binder GmbH and Co KG
Publication of EP1475335A1 publication Critical patent/EP1475335A1/en
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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
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • 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
    • B65H45/28—Folding in combination with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B65H2402/32—Sliding support means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B65H2404/142—Roller pairs arranged on movable frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/30—Facilitating or easing
    • B65H2601/32—Facilitating or easing entities relating to handling machine
    • B65H2601/324—Removability or inter-changeability of machine parts, e.g. for maintenance

Definitions

  • the invention relates to a folding machine with at least one pair of knife shafts, the blade shafts are mounted in a working position parallel to each other between two spaced-apart side walls of the folding machine.
  • the folding rollers of a folding unit are preceded or adjusted by pairs of cutter shafts.
  • These are usually knife shaft pairs in which a blade shaft is equipped with upper blade tools and the other blade shaft with lower blade tools, which are arranged on a mounted on the blade shaft tool holder.
  • the knife shafts are equipped with appropriate tools depending on the requirements of the order.
  • a corresponding folding machine is disclosed for example in DE 30 25 239 C2.
  • the knife shafts are usually stored in the known folding machines on the side walls of the folding machine. For this reason, they can only be removed when the folding machine is at a standstill.
  • the knife shafts For this it is usually necessary to first pull out the folding pockets. Then, after loosening their attachment, the knife shafts must be lifted out over the side walls of the machine. Since the knife shafts usually have a very high weight, this work is very tedious. Finally, the blade shafts can only be adjusted accurately if they are installed in the folding machine. For this purpose, tools are mounted in the immediate vicinity of the knife shafts. These are e.g. Rulers with a printed measuring tape on which the position of the tool can be read.
  • a folding machine in which one or more entire folders, consisting of knife shafts, folding pocket and folding rollers preferred is moved by pivoting out of the folding machine to provide easy accessibility to the knife shafts and folding rollers. Since the entire folding unit must be moved out of the folding machine, the known construction is very expensive. In addition, it is not possible to preset only the blade shafts outside the folding machine.
  • the invention has for its object to provide a folding machine with structurally simple means that allow a quick change of the blade shafts in a simple manner.
  • the knife shafts are mounted in the cassette, which is displaceable by the side wall from the insertion position into the extended position, a change of the knife shafts without pulling out the folding pockets of the upstream folding unit is possible.
  • the cassette is arranged in a drawer which can be inserted and withdrawn through the side wall.
  • the cassette can be removed and a new cassette placed on the drawer. After inserting the drawer, the change of the knife shaft pair is completed.
  • the cassette has a drive-side end wall and a user-side end wall, which are arranged at a distance from each other and connected by a crossbar.
  • the knife shafts are mounted on the forehead by storage facilities.
  • the storage facilities at least one blade shaft for adjusting the gap between the blade shafts are adjustable.
  • This adjustment is part of the knife shaft cassette. The adjustment can be done outside the folding machine.
  • the drive-side bearing devices may be rotatably mounted in the drive-side end wall and pass therethrough.
  • An accurate adjustment of knife holders on the blade shafts can be achieved by providing a graduation on the shaft body of the blade shaft, which is preferably engraved.
  • the knife holder can be set on the blade shafts outside the machine, the operator can stand in front of the knife shaft cassette when changing tools so that no parallax error occurs.
  • the folding machine 10 shown in FIGS. 1 and 2 has a pocket folder with a folding pocket 12, which in the sheet running direction folding rollers 14, 16 are arranged downstream, which are mounted in a drive-side side wall 18 and a user-side side wall 20.
  • the folding rollers 14, 16 in the sheet running direction, a knife roller pair consisting of an upper cutter roller 22 and a lower cutter roller 24 downstream.
  • On the cutter rollers 22, 24 are arranged in the longitudinal direction at a uniform distance five knife holder 26, arranged on which not shown tools for cutting, cutting, perforating, crimping, etc. of the folding pocket 12 leaving bow.
  • the knife shafts 22, 24 are mounted in a cassette 28, whose configuration will be explained in more detail below.
  • the cassette 28 itself is arranged on a drawer 30, which is so far from the folding machine 10 can be pulled out through an opening in the user-side side wall 20 until the entire cassette 28 is outside the folding machine 10. This position is shown in Fig. 1.
  • Fig. 2 the position of the drawer 30 is shown, in which it is fully inserted into the folding machine 10.
  • the drawer 30 abuts with its drive-side end wall on the drive-side side wall 18.
  • the drawer 30 extends completely between the two side walls 18, 20.
  • the drawer 30 rests on a horizontal floor 32 which extends between the side walls 18, 20.
  • guide means (not shown) are provided to guide the drawer to make a straight line movement.
  • a guide for a drawer serve two three-part telescopic guides, which are interconnected by a drawer bottom and are arranged completely in the retracted state between the machine side walls.
  • the cassette 28 is inserted into the drawer 30.
  • the cassette 28 with the knife shafts 22, 24 arranged parallel to one another on it is shown in greater detail in FIGS. 3 to 5.
  • the cartridge 28 has a drive-side end wall 34 and a user-side end wall 36, which are interconnected by trusses 38, 40.
  • the two cutter shafts 22, 24 are rotatably mounted on the operator side in knife shaft bearings 42, 44, for example via thru axles or half shells.
  • the upper bearing 42 is slidable or rotatable about an eccentric point in a plane defined by the two shaft axes to allow adjustment of the gap between the two cutter shafts 22, 24.
  • the cutter shafts 22, 24 are rotatably supported by bearing devices 46, 48, wherein the bearing means 46, 48 are simultaneously formed as a rotary feedthrough and coupling element, which are rotatably connected to a drive element of the folding machine when the cassette 28 is inserted into the folding machine 10 becomes.
  • the storage devices 46, 48 are also displaceable in the plane which is spanned by the two shaft axes, wherein an adjusting element 50 allows a precise adjustment of the gap between the cutter shafts 22, 24.
  • the tool holders 26 are detachably mounted on the shaft body 23 of the cutter shafts 22, 24.
  • a precise positioning of the tool holder 26 on the cutter shafts 22, 24 is made possible by a graduation, as shown in Figs. 6 and 7.
  • As a graduation 52 a vernier is engraved in the surface of the shaft body 23 in the longitudinal direction of the cutter shafts 22, 24. Due to the precise scale 52 directly on the blade shaft 22, 24, it is possible to attach a tool holder 26 precisely on the blade shaft 22, 24.
  • the accuracy of the attachment is further enhanced by allowing an operator to attach the tool holders 26 to the knife shafts 22, 24 outside the folder 10. This avoids a parallax error.

Description

Die Erfindung betrifft eine Falzmaschine mit wenigstens einem Messerwellenpaar, dessen Messerwellen in einer Arbeitsstellung parallel zueinander zwischen zwei im Abstand zueinander angeordneten Seitenwänden der Falzmaschine gelagert sind.The invention relates to a folding machine with at least one pair of knife shafts, the blade shafts are mounted in a working position parallel to each other between two spaced-apart side walls of the folding machine.

Um gefalzte Papierbogen senkrecht zu einer Falzlinie, d. h. in Bogenlaufrichtung schneiden, ausschneiden, perforieren, crimpen etc. zu können, sind den Falzwalzen eines Falzwerks Messerwellenpaare vor- bzw. nachgestellt. Dabei handelt es sich in der Regel um Messerwellenpaare, bei denen eine Messerwelle mit Obermesserwerkzeugen und die andere Messerwelle mit Untermesserwerkzeugen bestückt ist, die auf einem auf der Messerwelle angebrachten Werkzeughalter angeordnet sind. Die Messerwellen werden je nach Anforderung des Auftrags mit entsprechenden Werkzeugen bestückt. Eine entsprechende Falzmaschine ist beispielsweise in der DE 30 25 239 C2 offenbart. Die Messerwellen werden bei den bekannten Falzmaschinen üblicherweise an den Seitenwänden der Falzmaschine gelagert. Aus diesem Grund können sie nur bei einem Stillstand der Falzmaschine entnommen werden. Hierzu ist es in der Regel erforderlich, zunächst die Falztaschen herauszuziehen. Anschließend müssen die Messerwellen nach Lösen ihrer Befestigung über die Seitenwände der Maschine herausgehoben werden. Da die Messerwellen in der Regel ein sehr hohes Gewicht aufweisen, ist diese Arbeit sehr mühsam. Schließlich können die Messerwellen nur dann genau eingestellt werden, wenn sie in die Falzmaschine eingebaut sind. Hierzu sind Hilfsmittel in unmittelbarer Nähe der Messerwellen angebracht. Dies sind z.B. Lineale mit aufgedrucktem Maßband, an denen die Lage des Werkzeugs abgelesen werden kann.To fold folded paper sheets perpendicular to a fold line, d. H. cutting, cutting, perforating, crimping etc. in the direction of sheet travel, the folding rollers of a folding unit are preceded or adjusted by pairs of cutter shafts. These are usually knife shaft pairs in which a blade shaft is equipped with upper blade tools and the other blade shaft with lower blade tools, which are arranged on a mounted on the blade shaft tool holder. The knife shafts are equipped with appropriate tools depending on the requirements of the order. A corresponding folding machine is disclosed for example in DE 30 25 239 C2. The knife shafts are usually stored in the known folding machines on the side walls of the folding machine. For this reason, they can only be removed when the folding machine is at a standstill. For this it is usually necessary to first pull out the folding pockets. Then, after loosening their attachment, the knife shafts must be lifted out over the side walls of the machine. Since the knife shafts usually have a very high weight, this work is very tedious. Finally, the blade shafts can only be adjusted accurately if they are installed in the folding machine. For this purpose, tools are mounted in the immediate vicinity of the knife shafts. These are e.g. Rulers with a printed measuring tape on which the position of the tool can be read.

Aus der DE 41 23 130 A1 ist eine Falzmaschine bekannt, bei der ein oder mehrere gesamte Falzwerke, bestehend aus Messerwellen, Falztasche und Falzwalzen bevorzugt durch Ausschwenken aus der Falzmaschine bewegt wird, um eine leichte Zugänglichkeit zu den Messerwellen und Falzwalzen zu schaffen. Da das gesamte Falzwerk aus der Falzmaschine bewegt werden muss, ist die bekannte Konstruktion sehr aufwendig. Außerdem ist es nicht möglich, nur die Messerwellen außerhalb der Falzmaschine voreinzustellen.From DE 41 23 130 A1 a folding machine is known in which one or more entire folders, consisting of knife shafts, folding pocket and folding rollers preferred is moved by pivoting out of the folding machine to provide easy accessibility to the knife shafts and folding rollers. Since the entire folding unit must be moved out of the folding machine, the known construction is very expensive. In addition, it is not possible to preset only the blade shafts outside the folding machine.

Der Erfindung liegt die Aufgabe zugrunde, mit konstruktiv einfachen Mitteln eine Falzmaschine zu schaffen, die einen schnellen Wechsel der Messerwellen auf einfache Weise ermöglichen.The invention has for its object to provide a folding machine with structurally simple means that allow a quick change of the blade shafts in a simple manner.

Diese Aufgabe wird durch eine Falzmaschine mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved by a folding machine with the features of claim 1.

Da die Messerwellen in der Kassette gelagert sind, die durch die Seitenwand aus der Einschubstellung in die Auszugsstellung verschiebbar ist, ist ein Wechsel der Messerwellen ohne Herausziehen der Falztaschen des vorgeschalteten Falzwerks möglich. Darüber hinaus ist es möglich, ein Messerwellenpaar während des Laufs der Falzmaschine voreinzustellen, wodurch die Rüstzeit wesentlich verringert werden kann.Since the knife shafts are mounted in the cassette, which is displaceable by the side wall from the insertion position into the extended position, a change of the knife shafts without pulling out the folding pockets of the upstream folding unit is possible. In addition, it is possible to pre-set a pair of knife shafts during the course of the folding machine, whereby the set-up time can be substantially reduced.

Vorzugsweise ist die Kassette in einer Schublade angeordnet, die durch die Seitenwand einschiebbar und herausziehbar ist. Wenn die Schublade herausgezogen ist, kann die Kassette entnommen und eine neue Kassette auf die Schublade aufgelegt werden. Nach Einschieben der Schublade ist der Wechsel des Messerwellenpaares beendet.Preferably, the cassette is arranged in a drawer which can be inserted and withdrawn through the side wall. When the drawer is pulled out, the cassette can be removed and a new cassette placed on the drawer. After inserting the drawer, the change of the knife shaft pair is completed.

In einer besonderen Ausführungsform weist die Kassette eine antriebsseitige Stirnwand und eine bedienerseitige Stirnwand auf, die im Abstand zueinander angeordnet und durch eine Traverse miteinander verbunden sind. Die Messerwellen sind an der Stirn durch Lagereinrichtungen gelagert.In a particular embodiment, the cassette has a drive-side end wall and a user-side end wall, which are arranged at a distance from each other and connected by a crossbar. The knife shafts are mounted on the forehead by storage facilities.

Vorzugsweise sind die Lagereinrichtungen wenigstens einer Messerwelle zur Einstellung des Spaltes zwischen den Messerwellen verstellbar. Diese Verstelleinrichtung ist Bestandteil der Messerwellenkassette. Die Verstellung kann außerhalb der Falzmaschine erfolgen.Preferably, the storage facilities at least one blade shaft for adjusting the gap between the blade shafts are adjustable. This adjustment is part of the knife shaft cassette. The adjustment can be done outside the folding machine.

Für eine schnelle Verbindung mit dem falzmaschinenseitigen Antrieb können die antriebsseitigen Lagereinrichtungen in der antriebsseitigen Stirnwand drehbar gelagert sein und durch diese hindurchgehen.For a quick connection with the folding machine-side drive, the drive-side bearing devices may be rotatably mounted in the drive-side end wall and pass therethrough.

Zur Zentrierung der Kassette ist es vorteilhaft, wenn an beiden Stirnwänden ein in Richtung der antriebsseitigen Stirnwand vorstehender Passstift angebracht ist, der in der Einschubstellung in eine Zentrieröffnung in der Seitenwand der Falzmaschine eingreift.For centering of the cassette, it is advantageous if on both end walls in the direction of the drive-side end wall projecting dowel pin is mounted in the the insertion position engages in a centering opening in the side wall of the folding machine.

Eine genaue Einstellung von Messerhaltern auf den Messerwellen kann dadurch erreicht werden, dass auf dem Wellenkörper der Messerwelle eine Maßeinteilung vorgesehen ist, die vorzugsweise eingraviert ist.An accurate adjustment of knife holders on the blade shafts can be achieved by providing a graduation on the shaft body of the blade shaft, which is preferably engraved.

Da die Einstellung der Messerhalter auf den Messerwellen außerhalb der Maschine erfolgen kann, kann der Bediener beim Werkzeugwechsel direkt vor der Messerwellenkassette stehen, so dass kein Paralaxenfehler auftritt.Since the knife holder can be set on the blade shafts outside the machine, the operator can stand in front of the knife shaft cassette when changing tools so that no parallax error occurs.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand von Zeichnungen näher erläutert. Es zeigen:

Fig. 1
eine Falzmaschine mit einer herausgezogenen Kassette,
Fig. 2
die Falzmaschine von Fig. 1 mit einer eingeschobenen Kassette,
Fig. 3
eine Kassette, in der ein Messerwellenpaar angebracht ist,
Fig. 4
den Schnitt IV-IV von Fig. 3,
Fig. 5
eine perspektivische Ansicht der Kassette,
Fig. 6
eine Messerwelle, auf der eine Maßeinteilung vorgesehen ist,
Fig. 7
die Maßeinteilung der Messerwelle von Fig. 6 in vergrößertem Maßstab.
An embodiment of the invention will be explained below with reference to drawings. Show it:
Fig. 1
a folding machine with a cassette pulled out,
Fig. 2
the folding machine of Fig. 1 with an inserted cassette,
Fig. 3
a cassette in which a knife shaft pair is mounted,
Fig. 4
the section IV-IV of Fig. 3,
Fig. 5
a perspective view of the cassette,
Fig. 6
a knife shaft on which a scale is provided,
Fig. 7
the scale of the knife shaft of Fig. 6 in an enlarged scale.

Die in den Fig. 1 und 2 gezeigte Falzmaschine 10 weist ein Taschenfalzwerk mit einer Falztasche 12 auf, der in Bogenlaufrichtung Falzwalzen 14, 16 nachgeordnet sind, die in einer antriebsseitigen Seitenwand 18 und einer bedienerseitigen Seitenwand 20 gelagert sind. Wie es in Fig. 2 erkennbar ist, ist den Falzwalzen 14, 16 in Bogenlaufrichtung ein Messerwalzenpaar bestehend aus einer oberen Messerwalze 22 und einer unteren Messerwalze 24 nachgeordnet. Auf den Messerwalzen 22, 24 sind in Längsrichtung gesehen in gleichmäßigem Abstand fünf Messerhalter 26 angeordnet, auf denen nicht gezeigte Werkzeuge zum Schneiden, Ausschneiden, Perforieren, Crimpen etc. eines die Falztasche 12 verlassenden Bogens angeordnet. Die Messerwellen 22, 24 sind in einer Kassette 28 gelagert, deren Ausgestaltung nachstehend näher erläutert wird. Die Kassette 28 selbst ist auf einer Schublade 30 angeordnet, die durch eine Öffnung in der bedienerseitigen Seitenwand 20 so weit aus der Falzmaschine 10 herausziehbar ist, bis sich die gesamte Kassette 28 außerhalb der Falzmaschine 10 befindet. Diese Stellung ist in Fig. 1 gezeigt.The folding machine 10 shown in FIGS. 1 and 2 has a pocket folder with a folding pocket 12, which in the sheet running direction folding rollers 14, 16 are arranged downstream, which are mounted in a drive-side side wall 18 and a user-side side wall 20. As can be seen in Fig. 2, the folding rollers 14, 16 in the sheet running direction, a knife roller pair consisting of an upper cutter roller 22 and a lower cutter roller 24 downstream. On the cutter rollers 22, 24 are arranged in the longitudinal direction at a uniform distance five knife holder 26, arranged on which not shown tools for cutting, cutting, perforating, crimping, etc. of the folding pocket 12 leaving bow. The knife shafts 22, 24 are mounted in a cassette 28, whose configuration will be explained in more detail below. The cassette 28 itself is arranged on a drawer 30, which is so far from the folding machine 10 can be pulled out through an opening in the user-side side wall 20 until the entire cassette 28 is outside the folding machine 10. This position is shown in Fig. 1.

In Fig. 2 ist die Stellung der Schublade 30 gezeigt, in der sie vollständig in die Falzmaschine 10 eingeschoben ist. Dabei liegt die Schublade 30 mit ihrer antriebsseitigen Stirnwand an der antriebsseitigen Seitenwand 18 an. Die Schublade 30 erstreckt sich vollständig zwischen den beiden Seitenwänden 18, 20. Die Schublade 30 liegt auf einem Horizontalboden 32 auf, der sich zwischen den Seitenwänden 18, 20 streckt. Zur Führung der Bewegung der Schublade 30 aus der eingeschobenen Stellung in die ausgezogene Stellung sind Führungseinrichtungen (nicht gezeigt) vorgesehen, die die Schublade so führen, dass sie eine geradlinige Bewegung ausführt. Als solche Führung für eine Schublade können beispielsweise zwei dreiteilige Teleskopführungen dienen, welche durch einen Schubladenboden miteinander verbunden sind und im eingefahrenen Zustand völlig zwischen den Maschinenseitenwänden angeordnet sind. Die Kassette 28 wird in die Schublade 30 eingesetzt.In Fig. 2, the position of the drawer 30 is shown, in which it is fully inserted into the folding machine 10. In this case, the drawer 30 abuts with its drive-side end wall on the drive-side side wall 18. The drawer 30 extends completely between the two side walls 18, 20. The drawer 30 rests on a horizontal floor 32 which extends between the side walls 18, 20. To guide the movement of the drawer 30 from the retracted position to the extended position, guide means (not shown) are provided to guide the drawer to make a straight line movement. As such a guide for a drawer, for example, serve two three-part telescopic guides, which are interconnected by a drawer bottom and are arranged completely in the retracted state between the machine side walls. The cassette 28 is inserted into the drawer 30.

Die Kassette 28 mit den darauf parallel zueinander angeordneten Messerwellen 22, 24 ist den Fig. 3 bis 5 näher gezeigt. Die Kassette 28 weist eine antriebsseitige Stirnwand 34 und eine bedienerseitige Stirnwand 36 auf, die durch Traversen 38, 40 miteinander verbunden sind. Die beiden Messerwellen 22, 24 sind bedienerseitig in Messerwellenlagerungen 42, 44 beispielsweise über Steckachsen oder Halbschalen drehbar gelagert. Die obere Lagerung 42 ist in einer Ebene, die durch die beiden Wellenachsen aufgespannt wird, verschiebbar oder um einen Exzenterpunkt drehbar ausgeführt, um das Einstellen des Spaltes zwischen den zwei Messerwellen 22, 24 zu ermöglichen. Auf der Antriebsseite sind die Messerwellen 22, 24 durch Lagereinrichtungen 46, 48 drehbar gelagert, wobei die Lagereinrichtungen 46, 48 gleichzeitig als Drehdurchführung und Kupplungselement ausgebildet sind, das drehfest mit einem Antriebselement der Falzmaschine verbunden werden, wenn die Kassette 28 in die Falzmaschine 10 eingeschoben wird. Die Lagereinrichtungen 46, 48 sind ebenfalls in der Ebene, die durch die beiden Wellenachsen aufgespannt wird verschiebbar, wobei ein Verstellelement 50 eine präzise Einstellung des Spaltes zwischen den Messerwellen 22, 24 ermöglicht.The cassette 28 with the knife shafts 22, 24 arranged parallel to one another on it is shown in greater detail in FIGS. 3 to 5. The cartridge 28 has a drive-side end wall 34 and a user-side end wall 36, which are interconnected by trusses 38, 40. The two cutter shafts 22, 24 are rotatably mounted on the operator side in knife shaft bearings 42, 44, for example via thru axles or half shells. The upper bearing 42 is slidable or rotatable about an eccentric point in a plane defined by the two shaft axes to allow adjustment of the gap between the two cutter shafts 22, 24. On the drive side, the cutter shafts 22, 24 are rotatably supported by bearing devices 46, 48, wherein the bearing means 46, 48 are simultaneously formed as a rotary feedthrough and coupling element, which are rotatably connected to a drive element of the folding machine when the cassette 28 is inserted into the folding machine 10 becomes. The storage devices 46, 48 are also displaceable in the plane which is spanned by the two shaft axes, wherein an adjusting element 50 allows a precise adjustment of the gap between the cutter shafts 22, 24.

Oberhalb der oberen Messerwelle 22 ist an beiden Stirnwänden 36 ein zur antriebsseitigen Stirnwand 34 vorstehender Passstift 50, 51 vorgesehen. Dieser Passstift 50 greift in der in Fig. 2 gezeigten Einschubstellung der Kassette 28 in eine Zentrieröffnung der Außenseite der Seitenwand 20 ein. Wie es in Fig. 2 außerdem zu erkennen ist, liegt die bedienerseitige Stirnwand 36 mit ihrem Rand auf der Seitenwand 20 auf.Above the upper cutter shaft 22 is on both end walls 36 to the drive-side end wall 34 protruding dowel pin 50, 51 is provided. This dowel pin 50 engages in the insertion position of the cassette 28 shown in Fig. 2 in a centering opening of the outside of the side wall 20 a. As can also be seen in FIG. 2, the operator-side end wall 36 lies with its edge on the side wall 20.

Die Werkzeughalter 26 sind lösbar auf dem Wellenkörper 23 der Messerwellen 22, 24 angebracht. Eine genaue Positionierung der Werkzeughalter 26 auf den Messerwellen 22, 24 wird durch eine Maßeinteilung ermöglicht, wie sie in den Fig. 6 und 7 gezeigt ist. Als Maßeinteilung 52 ist in Längsrichtung der Messerwellen 22, 24 ein Nonius in die Oberfläche des Wellenkörpers 23 eingraviert. Aufgrund der genauen Maßeinteilung 52 direkt auf der Messerwelle 22, 24 ist es möglich, einen Werkzeughalter 26 präzise auf der Messerwelle 22, 24 zu befestigen. Die Genauigkeit der Befestigung wird zusätzlich dadurch erhöht, dass es einem Bediener möglich ist, die Werkzeughalter 26 außerhalb der Falzmaschine 10 an den Messerwellen 22, 24 zu befestigen. Hierdurch wird ein Paralaxenfehler vermieden.The tool holders 26 are detachably mounted on the shaft body 23 of the cutter shafts 22, 24. A precise positioning of the tool holder 26 on the cutter shafts 22, 24 is made possible by a graduation, as shown in Figs. 6 and 7. As a graduation 52, a vernier is engraved in the surface of the shaft body 23 in the longitudinal direction of the cutter shafts 22, 24. Due to the precise scale 52 directly on the blade shaft 22, 24, it is possible to attach a tool holder 26 precisely on the blade shaft 22, 24. The accuracy of the attachment is further enhanced by allowing an operator to attach the tool holders 26 to the knife shafts 22, 24 outside the folder 10. This avoids a parallax error.

Claims (8)

  1. A folding machine, with a pair of blade shafts, the blade shafts (22,24) of which, in an operating position, are mounted parallel to one another between two spaced apart side walls (18,2) of the folding machine (10), characterised in that the blade shafts (22,24) are mounted in a cassette (28) which can be displaced through a side wall (20) on the operator side from an insertion position, in which the blade shafts (22,24) are situated in their operating position, into a withdrawn position in which the blade shafts (22,24) are situated outside the folding machine (10).
  2. A folding machine according to Claim 1, characterised in that the cassette (28) is disposed in a drawer (30) which can be inserted and withdrawn through the side wall (20) on the operator side.
  3. A folding machine according to Claim 1 or 2, characterised in that the cassette (28) has an end wall (34) on the drive side and an end wall (36) on the operator side, which walls are disposed at a distance apart and are connected to one another by at least one cross-beam (38,40), and in that the blade shafts (22,24) are mounted on the end walls (18,20) by bearing means (42,44,46,48).
  4. A folding machine according to Claim 3, characterised in that the bearing means (42,44,46,48) of at least one blade shaft (22,24) are adjustable so as to set the clearance between the blade shafts (22,24).
  5. A folding machine according to Claim 3 or 4, characterised in that the bearing means (46,48) on the drive side are rotatably mounted in the end wall (34) on the drive side, pass therethrough and can be connected with a drive means.
  6. A folding machine according to any one of Claims 3 to 5, characterised in that an alignment pin (50) projecting towards the end wall (34) on the drive side is mounted on both end walls (36) and, in the insertion position, engages in a centring aperture in the side wall (20) of the folding machine (10) on the operator side.
  7. A folding machine according to any one of the preceding Claims, characterised in that tool holders (26) are releasably mounted on the blade shafts (22,24) and on the blade shafts (22,24) a scale (52) is provided extending in the longitudinal direction of the blade shafts (22,24).
  8. A folding machine according to Claim 7, characterised in that the scale (52) is engraved in the blade shafts (22,24).
EP20040003887 2003-05-08 2004-02-20 Folder with at least one pair of shafts having cutters. Expired - Fee Related EP1475335B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20307169U DE20307169U1 (en) 2003-05-08 2003-05-08 Folding machine with at least one pair of knife shafts
DE20307169U 2003-05-08

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EP1475335A1 EP1475335A1 (en) 2004-11-10
EP1475335B1 true EP1475335B1 (en) 2006-05-10

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EP20040003887 Expired - Fee Related EP1475335B1 (en) 2003-05-08 2004-02-20 Folder with at least one pair of shafts having cutters.

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Cited By (1)

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CN106915654A (en) * 2015-11-04 2017-07-04 海德堡印刷机械股份公司 Folding machine with swivel foot

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DE20319527U1 (en) 2003-12-16 2004-03-04 Maschinenbau Oppenweiler Binder Gmbh & Co. Kg Transport shaft for a folding machine
PT1561716E (en) 2004-02-06 2008-07-09 Heidelberger Druckmasch Ag Folding machine for the graphics industry.
DE102005015284A1 (en) * 2005-04-04 2006-10-05 Heidelberger Druckmaschinen Ag Combination paper folding machine has blade folding units and sliding carriages mounted downstream from them, on which cutter spindles or folding rollers are mounted
DE202005005532U1 (en) * 2005-04-07 2005-06-16 Maschinenbau Oppenweiler Binder Gmbh & Co. Kg Pocket folding machine with folding pocket cassette
DE102008035108A1 (en) 2008-07-28 2010-02-04 Heidelberger Druckmaschinen Ag Bogenfalzmaschine
DE202009000797U1 (en) 2009-01-22 2009-03-19 Maschinenbau Oppenweiler Binder Gmbh & Co. Kg Folding machine with knife shaft holder

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GB668233A (en) * 1950-02-01 1952-03-12 Masson Scott & Company Ltd Improvements in and relating to apparatus for longitudinally slitting travelling webs of paper, cardboard or other materials
US4023790A (en) * 1976-01-26 1977-05-17 Gortowski Donald A Scoring attachment for buckle folding apparatus
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GB8303329D0 (en) * 1983-02-07 1983-03-09 Coban Design Ass Setting nips of rollers
US5266148A (en) * 1990-02-07 1993-11-30 Weyerhaeuser Company Triple wall fold construction and forming process and mechanism
DD297383A5 (en) * 1990-08-31 1992-01-09 �������@������������@��k�� FOLDER
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106915654A (en) * 2015-11-04 2017-07-04 海德堡印刷机械股份公司 Folding machine with swivel foot

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EP1475335A1 (en) 2004-11-10
DE20307169U1 (en) 2003-07-03
DE502004000526D1 (en) 2006-06-14

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