EP1360135B1 - Folding blade cylinder of a folding machine and method for regulating a folding blade - Google Patents
Folding blade cylinder of a folding machine and method for regulating a folding blade Download PDFInfo
- Publication number
- EP1360135B1 EP1360135B1 EP01989374A EP01989374A EP1360135B1 EP 1360135 B1 EP1360135 B1 EP 1360135B1 EP 01989374 A EP01989374 A EP 01989374A EP 01989374 A EP01989374 A EP 01989374A EP 1360135 B1 EP1360135 B1 EP 1360135B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- folding
- blade
- cylinder according
- blade cylinder
- folding knife
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- B65H45/164—Details of folding blades therefor
-
- 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
- B65H45/166—Rotary folders with folding jaw cylinders having an adjustable circumference
Definitions
- the invention relates to a folding knife cylinder of a folding apparatus according to the Preamble of claim 1.
- Such cylinders are used to interact with one Folder cylinder to introduce a cross fold into a sheet of material that has a gap passes between the folding knife cylinder and the folding jaw cylinder.
- the folding knife cylinder at least one folding knife between an inactive Position in which it does not protrude from the outer surface of the folding knife cylinder, and an active position, which is to be folded in the active position Bow presses into a gap of the opposite jaw cylinder, which is then closes and the folded sheet is clamped to the fold transported.
- DE 690 08 007 T2 shows a folding knife cylinder, the folding knife for different types of folds can be brought into a working and a rest position.
- the invention has for its object a one folding knife cylinder To create folding knife cylinders.
- the saddle instead of a single, slidable Gap has a plurality of columns each associated with a folding knife, and that the folding knife can be retracted so far into the inside of the folding knife cylinder that it inside the folding knife cylinder between different, each one of the column opposite positions is adjustable.
- this can be achieved by making the stroke of the folding movement so large is chosen that the folding knife in its inactive position radially within the Inner surface of the saddle is located so that it can be freely adjusted in this position.
- Another possibility is a small stroke of the folding movement between the deployed active and the inactive position of the folding knife, wherein in the inactive position the folding knife is at least partially radially outside the Inner surface of the saddle is located, and in addition the folding knife over the inactive Position to retractable behind the inner surface of the saddle, so to allow an adjustment of the folding knife to another gap.
- the movement of such a folding knife is usually one on one Control curve running lever controlled.
- an actuator can be used to lift the lever off this Control curve.
- Such an actuator can, for. B. be a lifting cylinder; Electromagnetically driven actuators can also be considered.
- a second control curve which against the first is rotatable and has a section which by rotating with the lever arm in Contact can be brought to the folding knife behind the inner surface of the saddle withdraw.
- the gaps may be chamfered on their outer longitudinal edges.
- a closing body is also provided, which is coupled to the adjustment of the folding knife between a position in which it is not one of the folding knife occupied gap, and one in the interior of the folding knife cylinder retracted position is adjustable.
- a closing body can, in particular if on part of its outside it is flush with the outside surface of the saddle, also counteract the formation of an imprint, but what is more important is that it the penetration of a free end of an arch into the otherwise open gap prevented.
- the closing body and / or the gap closable by it bevels on their mutually facing sides.
- a spring element can be used to exert the closing body by a radially outward To hold pressure in place on the gap.
- FIG. 1 and 2 show a first embodiment of the folding knife cylinder in an axial or a radial cut.
- the axial section of FIG. 2 shows a shaft 01 on which two Flanges 02 are screwed together.
- These flanges 02 carry the saddle 03 (see 1) of the folding knife cylinder, which in this embodiment consists of six segments 06, 07 is composed, each by itself radially over the entire distance Columns 08 and 09 extending between the flanges 02 are separated.
- Three several holding elements 12 with grippers extend through slots in the Segments 06 and are each mounted on spindles 11, which in turn are between the two Flanges 02 are pivotally suspended.
- Trusses 14 penetrate oblong holes 16 in the form of segments of the flanges 02 and connect the flanges 13 to each other in order to rotate the flanges 13 to couple.
- the cross members 14 are in the area between the flanges 02 combined into a hollow cylinder surrounding the shaft 01 in order to achieve the largest possible To achieve torsional rigidity.
- Three spindles 17 of folding knives 18 are rotatably mounted on the flanges 13.
- the gripper 12 and the folding knife 18 each perform a back-and-forth movement in time with the Rotation of the folding knife cylinder, which in a manner known per se by each an axial end of the spindles 11 and 17 mounted levers 19 and 21 is controlled.
- This lever 19; 21 carry rollers 22 at their ends, which roll on control cams 23.
- These control curves 23 have the shape of fixed disks, they are not in FIG. 2 and shown in Fig. 1 only in the form of sections.
- the left and lower folding knife 18 are in an inactive position of their Folding movement in which it is pulled back past the inner surface 24 of the saddle 03 are.
- the right folding knife 18 is in an extended, active position, in which protrudes its tip slightly above the surface of the saddle 03 and thus in the Is able to a sheet carried by the gripper 12 in a folding flap opposing, not shown jaw cylinder.
- Folder cylinders In a position slightly rotated relative to the position shown Folder cylinders are all three folding blades 18 in the retracted, inactive Position. In this position it is possible to have a fixed coupling between the flanges 13 and 02 to solve and so the folding knife 18 relative to the saddle 03 in To turn counterclockwise in Fig. 1, so that the folding knife 18 in front of each column 08; 09 come to rest.
- the control curve 23, the folding movement of the Folding knife 18 controls is not rotated, so that the place where the Extend folding knife 18, even after the displacement the place remains where the circumference of the Folding knife cylinder touches the folding jaw cylinder (not shown).
- the two flanges 13 are L-shaped Profiles 26 connected, one of their legs facing saddle 03 one of a spring element 28 pressed against the inner surface 24 of the saddle 03 Wear closing body 27.
- Spring element 28 and closing body 27 are in one piece here as one Spring plate formed, which extends over the entire length of the column 09 in the axial Direction extends.
- the closing bodies 27 are arranged relative to the folding blades in such a way that they close the column 09 when the folding blades 18, as shown in Fig. 1, on Columns 08. They prevent a free end of one of the folding knives 18 folded sheet in the gap 09 and can get caught there. This is Particularly useful if the gap 08 is a delta fold position (corresponds to a second cross fold) and the gap 09 corresponds to a first cross fold position.
- the closing bodies 27 are on the inside of the folding knife cylinder submerged.
- Such a submerged closing body is in the.
- Fig. 1 shown with a chain line and designated 28 '. Show column 09 on their inner surfaces each beveled flanks 29, which in connection with the curved outer shape of the closing body 27 this immersion into the interior of the Make the folding knife cylinder easier when adjusting.
- Similar bevels 31 are in each case on the outer edges of column 08; 09 formed, to prevent these edges from printing marks on the sheet to be processed leave.
- Fig. 3 shows a partial section through a folding knife cylinder according to one Development.
- the narrow saddle segment 07, under which the folding knife from the gap 08 to Gap 09 and can move back is thinner than the wide segments 06 on which in each case the grippers (not shown here) are arranged.
- 3 shows the folding knife 18 in its withdrawn, inactive position.
- the tip of the folding knife 18 lies here radially outside the inner surfaces 32 of the segments 06, but inside the inner surface 33 of the segment 07.
- the reduced thickness of the segment 07 allows the stroke of the To reduce the folding movement of the folding knife 18 and this between the two Columns 08; 09 to adjust as required.
- the accelerations to which the folding knife or its spindle are also reduced 17 are exposed. This allows the folding knife cylinder to be larger Operate rotational speed and / or reduce wear.
- FIG. 4 A second development is shown in FIG. 4 in a section analogous to that of FIG. 3.
- This is the top of the Folding knife 18 in the inactive, retracted position of the lifting movement radially between the inner surface 24 and the outer surface of the saddle 03
- Adjustment of the folding knife 18 between the two columns 08, 09 are to be made possible
- Linear actuators, here hydraulic cylinders 34 in the number of folding blades 18 corresponding number provided and arranged at the same angular distance.
- One of these hydraulic cylinders 34 is shown in FIG. 4.
- the actuators in a fixed position, in particular on the Control curve 23 to mount and the piston rod 36 at its distal end with a the roller 22 facing curve portion that is at least so long that the roller 22 during the adjustment of the folding knife 18 from the gap 08 to the gap 09 or can roll back on it so that the folding knife 18 throughout To keep the adjustment movement at a safe distance from the inner surface 24.
- This The distance can typically be approximately 1.5 mm.
- the hydraulic cylinder 34 can also be used by others from the point of view of expediency Types of linear actuators, e.g. B. those with electromagnetic drive, replaced become.
- FIG 5 shows a sector of a folding knife cylinder according to a further variant in FIG a view analogous to Figures 3 and 4.
- the structure of the rotating parts of the Folding knife cylinder is the same as in the above configurations and will not described again.
- the folding knife 18 is here in the retracted position Folding movement shown shortly before the roller 22 an indentation 37 of the control curve 23 reached, which will cause the folding knife 18 to extend into its active position.
- the roller 22 is wider than the control curve 23.
- a second control curve 38 is shown in FIG. 5 as a dashed outline. It is in normal operation of the folding blade cylinder at a distance from the cam 23 so far that the roller 22 cannot touch it.
- the second control curve 38 has areas 39, 41 with two different radii, the smaller radius of area 41 being slightly smaller than the radius of the Control curve 23 in its corresponding to the inactive state of the folding knife 18 Area is, whereas the larger radius of area 39 is significantly larger than this Is worth.
- the second is first Control curve 38 in its orientation shown in FIG. 5 axially to the first control curve 23 shifted so that they are at least part of their width under the roller 22 comes to lie.
- the second control cam 38 is then rotated clockwise. This causes the roller 22 to move from the large radius area 39 to the second Control curve 38 is supported, whereby the roller 22 of the first control curve 23 lifted and the folding knife 18 so far behind its inactive shown in FIG. 5 Position inside the folding knife cylinder is withdrawn until the tip of the Folding knife 18 is clearly within the inner surface 24.
- the Adjustment of the folding knife 18 in the same way as in the previously described Refinements are made.
- the second control curve 38 moved back from the first control curve 23, so that the latter its function of Control of the folding movement can resume.
- one is from folding knife cylinders with three folding knives, adjustable between two columns.
- the invention is also applicable to folding knife cylinders with any number of folding knives and more than two columns.
- a closing body 27 is only for the column 09 intended.
- a corresponding closing body could also on the opposite side of the folding knife 18 to the gap 08 to be arranged close when the folding knife 18 lies at the gap 09.
- the folding knife (18) is from a working position in which the folding knife (18) at least is temporarily arranged outside a saddle (03), in a rest position, in which the Folding knife (18) is arranged within the saddle (03). It will Folding knife (18) with respect to the saddle (03) in the circumferential direction with its tip adjusted within the saddle (03), d. H. it is below segments (07) of the Saddles (03) moved along.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
Description
Die Erfindung betrifft einen Falzmesserzylinder eines Falzapparates gemäß dem Oberbegriff des Anspruches 1.The invention relates to a folding knife cylinder of a folding apparatus according to the Preamble of claim 1.
Derartige Zylinder werden eingesetzt, um zusammenwirkend mit einem Falzklappenzylinder eine Querfalz in einen Materialbogen einzubringen, der einen Spalt zwischen dem Falzmesserzylinder und dem Falzklappenzylinder durchläuft. Zu diesem Zweck ist in dem Falzmesserzylinder wenigstens ein Falzmesser zwischen einer inaktiven Stellung, in der es nicht über die Außenoberfläche des Falzmesserzylinders vorsteht, und einer aktiven Stellung beweglich, wobei es in der aktiven Stellung den zu falzenden Bogen in einen Spalt des gegenüberliegenden Falzklappenzylinders hineindrückt, der sich anschließend schließt und den gefalzten Bogen an dem Falz eingeklemmt weitertransportiert.Such cylinders are used to interact with one Folder cylinder to introduce a cross fold into a sheet of material that has a gap passes between the folding knife cylinder and the folding jaw cylinder. To this Purpose is in the folding knife cylinder at least one folding knife between an inactive Position in which it does not protrude from the outer surface of the folding knife cylinder, and an active position, which is to be folded in the active position Bow presses into a gap of the opposite jaw cylinder, which is then closes and the folded sheet is clamped to the fold transported.
Um mit einem solchen Falzmesserzylinder Bogen in unterschiedlichen Formaten falzen zu können bzw. unterschiedliche Falztypen bilden zu können, ist es notwendig, das Falzmesser zwischen verschiedenen Stellungen am Umfang des Falzmesserzylinders verstellen zu können. Gleichzeitig sollte aber die Außenfläche des Falzmesserzylinders möglichst geschlossen zylindrisch sein, um eine präzise Führung der Materialbogen zu gewährleisten.To fold sheets in different formats with such a folding knife cylinder to be able to form different types of folds, it is necessary that Folding knife between different positions on the circumference of the folding knife cylinder to be able to adjust. At the same time, however, the outer surface of the folding knife cylinder should be closed, if possible, cylindrical to ensure precise guidance of the material sheets guarantee.
Die DE 43 35 048 A1 beschreibt einen Falzmesserzylinder für einen Falzapparat mit jeweils einem einzigen Spalt für ein Falzmesser. Innerhalb dieses Spaltes ist das Falzmesser in Umfangsrichtung verstellbar. DE 43 35 048 A1 describes a folding knife cylinder for a folder a single gap for a folding knife. That is within this gap Folding knife adjustable in the circumferential direction.
Die DE 690 08 007 T2 zeigt einen Falzmesserzylinder, dessen Falzmesser für unterschiedliche Falzarten in eine Arbeits- und eine Ruhestellung bringbar ist.DE 690 08 007 T2 shows a folding knife cylinder, the folding knife for different types of folds can be brought into a working and a rest position.
Die DE 1 222 082 A, die dem Oberbegriff des Anspruchs 1 entspricht, offenbart einen Falzmesserzylinder eines Räderfalzes, dessen Falzmesser im zurückgezogenen Zustand im Inneren des Falzmesserzylinders in Umfangsrichtung verstellbar ist.DE 1 222 082 A, which corresponds to the preamble of claim 1, discloses a folding knife cylinder of a wheel rebate, the Folding knife in the retracted state inside the folding knife cylinder in Circumferential direction is adjustable.
Der Erfindung liegt die Aufgabe zugrunde, einen Falzmesserzylinder eines Falzmesserzylinders zu schaffen.The invention has for its object a one folding knife cylinder To create folding knife cylinders.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.
Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass eine Behinderung der Verstellung des Messerzylinders durch Papierstaub oder ähnliches Fremdmaterial auch nach langandauerndem Betrieb des Falzmesserzylinders mit gleichbleibendem Format ausgeschlossen ist. Ein weiterer Vorteil besteht darin, dass Zinkenabdrücke in den Bogen vermieden werden.The advantages that can be achieved with the invention are in particular that a Impeding the adjustment of the knife cylinder by paper dust or the like Foreign material also after long operation of the folding knife cylinder consistent format is excluded. Another advantage is that Tine marks in the bow can be avoided.
Zu diesem Zweck ist vorgesehen, dass der Sattel anstelle eines einzigen, verschiebbaren Spaltes eine Mehrzahl von jeweils einem Falzmesser zugeordneten Spalten aufweist, und dass das Falzmesser so weit ins Innere des Falzmesserzylinders zurückziehbar ist, dass es im Inneren des Falzmesserzylinders zwischen verschiedenen, jeweils einem der Spalte gegenüberliegenden Stellungen verstellbar ist.For this purpose it is provided that the saddle instead of a single, slidable Gap has a plurality of columns each associated with a folding knife, and that the folding knife can be retracted so far into the inside of the folding knife cylinder that it inside the folding knife cylinder between different, each one of the column opposite positions is adjustable.
Dies kann zum einen dadurch erreicht werden, dass der Hub der Falzbewegung so groß gewählt wird, dass das Falzmesser in seiner inaktiven Stellung sich radial innerhalb der Innenfläche des Sattels befindet, so dass es in dieser Stellung frei verstellt werden kann. Eine andere Möglichkeit ist, einen geringen Hub der Falzbewegung zwischen der ausgefahrenen aktiven und der inaktiven Stellung des Falzmessers vorzusehen, wobei in der inaktiven Stellung das Falzmesser sich wenigstens zum Teil radial außerhalb der Innenfläche des Sattels befindet, und darüber hinaus das Falzmesser über die inaktive Stellung hinaus bis hinter die Innenfläche des Sattels zurückziehbar auszubilden, um so eine Verstellung des Falzmessers zu einem anderen Spalt zu ermöglichen.On the one hand, this can be achieved by making the stroke of the folding movement so large is chosen that the folding knife in its inactive position radially within the Inner surface of the saddle is located so that it can be freely adjusted in this position. Another possibility is a small stroke of the folding movement between the deployed active and the inactive position of the folding knife, wherein in the inactive position the folding knife is at least partially radially outside the Inner surface of the saddle is located, and in addition the folding knife over the inactive Position to retractable behind the inner surface of the saddle, so to allow an adjustment of the folding knife to another gap.
Die Bewegung eines solchen Falzmessers ist üblicherweise durch einen auf einer Steuerkurve ablaufenden Hebel gesteuert. Um das Falzmesser über die inaktive Stellung hinaus zurückziehen zu können, kann ein Stellglied zum Abheben des Hebels von dieser Steuerkurve vorgesehen werden. Ein solches Stellglied kann z. B. ein Hubzylinder sein; elektromagnetisch angetriebene Stellglieder kommen ebenfalls in Betracht. Alternativ kann auch eine zweite Steuerkurve vorgesehen sein, die gegen die erstgenannte verdrehbar ist und einen Abschnitt aufweist, der durch Verdrehen mit dem Hebelarm in Kontakt bringbar ist, um das Falzmesser bis hinter die Innenfläche des Sattels zurückzuziehen.The movement of such a folding knife is usually one on one Control curve running lever controlled. To the folding knife over the inactive position To be able to pull back, an actuator can be used to lift the lever off this Control curve are provided. Such an actuator can, for. B. be a lifting cylinder; Electromagnetically driven actuators can also be considered. alternative can also be provided a second control curve, which against the first is rotatable and has a section which by rotating with the lever arm in Contact can be brought to the folding knife behind the inner surface of the saddle withdraw.
Um zu vermeiden, dass die Ränder der Spalte sich in den zu falzenden Bogen abdrücken, können die Spalte an ihren außenliegenden Längsrändern abgeschrägt sein.To prevent the edges of the column from pressing against the sheet to be folded, the gaps may be chamfered on their outer longitudinal edges.
Vorzugsweise ist ferner ein Schließkörper vorgesehen, der gekoppelt an die Verstellung des Falzmessers zwischen einer Stellung, in der er einen nicht von dem Falzmesser belegten Spalt verschließt, und einer ins Innere des Falzmesserzylinders zurückgezogenen Stellung verstellbar ist. Ein solcher Schließkörper kann, insbesondere wenn er auf einem Teil seiner Außenseite mit der Außenfläche des Sattels bündig ist, ebenfalls der Bildung eines Abdruckes entgegenwirken, wichtiger jedoch ist noch, dass er das Eindringen eines freien Endes eines Bogens in den ansonsten offenen Spalt verhindert.Preferably, a closing body is also provided, which is coupled to the adjustment of the folding knife between a position in which it is not one of the folding knife occupied gap, and one in the interior of the folding knife cylinder retracted position is adjustable. Such a closing body can, in particular if on part of its outside it is flush with the outside surface of the saddle, also counteract the formation of an imprint, but what is more important is that it the penetration of a free end of an arch into the otherwise open gap prevented.
Um die Verstellung des Schließkörpers und damit auch die des Falzmessers zu erleichtern, weisen der Schließkörper und/oder der durch ihn verschließbare Spalt an ihren einander zugewandten Seiten Abschrägungen auf. Ein Federelement kann eingesetzt werden, um den Schließkörper durch einen radial nach außen ausgeübten Druck in seiner Stellung an dem Spalt zu halten.To adjust the closing body and thus also that of the folding knife facilitate, the closing body and / or the gap closable by it bevels on their mutually facing sides. A spring element can be used to exert the closing body by a radially outward To hold pressure in place on the gap.
Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher beschrieben.Embodiments of the invention are shown in the drawings and are in following described in more detail.
Es zeigen:
Fig. 1 und 2 zeigen eine erste Ausgestaltung des Falzmesserzylinders in einem axialen
bzw. einem radialen Schnitt. Der axiale Schnitt der Fig. 2 zeigt eine Welle 01, an der zwei
Flansche 02 drehfest verschraubt sind. Diese Flansche 02 tragen den Sattel 03 (siehe
Fig. 1) des Falzmesserzylinders, der bei dieser Ausgestaltung aus sechs Segmenten 06,
07 zusammengesetzt ist, die jeweils durch sich radial über den gesamten Abstand
zwischen den Flanschen 02 erstreckende Spalte 08 bzw. 09 getrennt sind.1 and 2 show a first embodiment of the folding knife cylinder in an axial
or a radial cut. The axial section of FIG. 2 shows a
Drei mehrere greiferaufweisende Halteelemente 12 erstrecken sich durch Schlitze der
Segmente 06 und sind jeweils an Spindeln 11 montiert, die ihrerseits zwischen den zwei
Flanschen 02 schwenkbar aufgehängt sind.Three
Parallel zu den Flanschen 02 sind zwei weitere Flansche 13 um die Welle 01 drehbar
angeordnet. Traversen 14 durchsetzen kreissegmentförmige Langlöcher 16 der Flansche
02 und verbinden die Flansche 13 miteinander, um die Drehbewegung der Flansche 13
zu koppeln. Wie Fig. 1 zeigt, sind die Traversen 14 im Bereich zwischen den Flanschen
02 zu einem die Welle 01 umgebenden Hohlzylinder vereinigt, um eine größtmögliche
Verwindungssteifigkeit zu erreichen.Parallel to the
An den Flanschen 13 sind drei Spindeln 17 von Falzmessern 18 drehbar gelagert. Die
Greifer 12 und die Falzmesser 18 führen jeweils eine Hin- und Herbewegung im Takt der
Drehung des Falzmesserzylinders aus, die in an sich bekannter Weise durch an jeweils
einem axialen Ende der Spindeln 11 bzw. 17 montierte Hebel 19 bzw. 21 gesteuert ist.
Diese Hebel 19; 21 tragen an ihren Enden Rollen 22, die an Steuerkurven 23 abrollen.
Diese Steuerkurven 23 haben die Gestalt ortsfester Scheiben, sie sind in Fig. 2 nicht und
in Fig. 1 nur in Form von Ausschnitten dargestellt.Three
Um zwischen den drei in der Fig. 1 gezeigten Falzmessern 18 zu unterscheiden, werden
diese im folgenden auch als rechtes, linkes bzw. unteres Falzmesser 18 bezeichnet. Das
linke und das untere Falzmesser 18 befinden sich in einer inaktiven Stellung ihrer
Falzbewegung, in der sie bis hinter die Innenfläche 24 des Sattels 03 zurückgezogen
sind. Das rechte Falzmesser 18 befindet sich in einer ausgefahrenen, aktiven Stellung, in
der seine Spitze geringfügig über die Oberfläche des Sattels 03 übersteht und somit in der
Lage ist, einen von dem Greifer 12 mitgeführten Bogen in eine Falzklappe eines
gegenüberliegenden, nicht dargestellten Falzklappenzylinders zu drücken.In order to differentiate between the three
In einer geringfügig gegen die dargestellte Stellung verdrehten Stellung des
Falzklappenzylinders sind alle drei Falzmesser 18 in der zurückgezogenen, inaktiven
Stellung. In dieser Stellung ist es möglich, eine feste Kopplung zwischen den Flanschen
13 und 02 zu lösen und so die Falzmesser 18 relativ zum Sattel 03 im
Gegenuhrzeigersinn in Fig. 1 zu verdrehen, so dass die Falzmesser 18 jeweils vor einem
der Spalte 08; 09 zu liegen kommen. Die Steuerkurve 23, die die Falzbewegung der
Falzmesser 18 steuert, wird dabei nicht mitgedreht, so dass der Ort, an dem die
Falzmesser 18 ausfahren, auch nach der Verschiebung der Ort bleibt, wo der Umfang des
Falzmesserzylinders den (nicht gezeigten) Falzklappenzylinder berührt.In a position slightly rotated relative to the position shown
Folder cylinders are all three
Bei der in Fig. 1 gezeigten Ausgestaltung sind die zwei Flansche 13 durch L-förmige
Profile 26 verbunden, die an ihren dem Sattel 03 zugewandten Schenkeln einen von
einem Federelement 28 gegen die Innenfläche 24 des Sattels 03 gedrückten
Schließkörper 27 tragen. Federelement 28 und Schließkörper 27 sind hier einteilig als ein
Federblech ausgebildet, das sich über die gesamte Länge der Spalte 09 in axialer
Richtung erstreckt. Die Schließkörper 27 sind relativ zu den Falzmessern so angeordnet,
dass sie die Spalte 09 verschließen, wenn die Falzmesser 18, wie in Fig. 1 gezeigt, an
den Spalten 08 liegen. Sie verhindern, dass ein freies Ende eines von den Falzmessern
18 gefalzten Bogens in den Spalt 09 hineinschlagen und sich dort verhaken kann. Dies ist
insbesondere zweckmäßig, wenn der Spalt 08 einer Deltafalzposition (entspricht einer
zweiten Querfalz) und der Spalt 09 einer ersten Querfalzposition entspricht.In the embodiment shown in Fig. 1, the two
Wenn die Falzmesser 18 an den Spalten 09 liegen, sind die Schließkörper 27 ins Innere
des Falzmesserzylinders abgetaucht. Ein solcher abgetauchter Schließkörper ist in der.
Fig. 1 mit einer Strichpunktlinie dargestellt und mit 28' bezeichnet. Die Spalte 09 weisen
an ihren Innenflächen jeweils abgeschrägte Flanken 29 auf, die in Verbindung mit der
geschwungenen Außenform des Schließkörpers 27 diesem das Abtauchen ins Innere des
Falzmesserzylinders beim Verstellen erleichtern.If the
Ähnliche Abschrägungen 31 sind jeweils an den Außenkanten der Spalte 08; 09 gebildet,
um zu verhindern, dass diese Kanten auf den zu verarbeitenden Bogen Druckmale
hinterlassen.
Fig. 3 zeigt einen Teilschnitt durch einen Falzmesserzylinder gemäß einer
Weiterentwicklung. Der Unterschied zu der Ausgestaltung der Fig. 1 liegt darin, dass bei
Fig. 3 das schmale Sattelsegment 07, unter dem sich das Falzmesser vom Spalt 08 zum
Spalt 09 und zurück bewegen kann, dünner ist als die breiten Segmente 06, an denen
jeweils die (hier nicht gezeigten) Greifer angeordnet sind. Fig. 3 zeigt das Falzmesser 18
in seiner zurückgezogenen, inaktiven Stellung. Die Spitze des Falzmessers 18 liegt hier
radial außerhalb der Innenflächen 32 der Segmente 06, aber innerhalb der Innenfläche 33
des Segmentes 07. So erlaubt es die verringerte Dicke des Segmentes 07, den Hub der
Falzbewegung des Falzmessers 18 zu reduzieren und dieses dennoch zwischen den zwei
Spalten 08; 09 nach Bedarf zu verstellen. Mit dem reduzierten Hub der Falzbewegung
reduzieren sich auch die Beschleunigungen, denen das Falzmesser bzw. seine Spindel
17 ausgesetzt sind. Dies erlaubt es, den Falzmesserzylinder mit einer größeren
Drehgeschwindigkeit zu betreiben und/oder den Verschleiß zu reduzieren.Fig. 3 shows a partial section through a folding knife cylinder according to one
Development. The difference to the embodiment of FIG. 1 is that
Fig. 3, the
Eine zweite Weiterentwicklung ist in Fig. 4 in einem Schnitt analog dem der Fig. 3 gezeigt.
Hier ist die Dicke der Segmente 06; 07 wieder gleich, wie im Falle der Fig. 1; allerdings ist
die Steuerkurve 23 so geformt, dass nur ein im Vergleich zur Ausgestaltung aus Fig. 1
verringerter Hub der Falzbewegung erreicht wird. So befindet sich die Spitze des
Falzmessers 18 in der inaktiven, zurückgezogenen Stellung der Hubbewegung radial
zwischen der Innenfläche 24 und der Außenfläche des Sattels 03. Um dennoch eine
Verstellung der Falzmesser 18 zwischen den zwei Spalten 08, 09 zu ermöglichen, sind
Linearstellglieder, hier Hydraulikzylinder 34, in der Zahl der Falzmesser 18
entsprechender Zahl vorgesehen und in gleichem Winkelabstand verteilt angeordnet.
Einer dieser Hydraulikzylinder 34 ist in Fig. 4 gezeigt. Er ist an dem Flansch 13 montiert,
der auch die Falzmesser 18 trägt, so dass er unabhängig von der Drehstellung des
Falzmesserzylinders immer die gleiche Stellung bezogen auf das ihm zugeordnete
Falzmesser 18 innehat. Er hat einen radial nach außen orientierten Kolben mit einer
Kolbenstange 36, die genau einem Endbereich des Hebels 21 oder der an dem Hebel 21
zum Abrollen auf der Steuerkurve 23 montierten Rolle 22 gegenüberliegt. Durch
Ausfahren des Kolbens wird die Rolle 22 von der Steuerkurve 23 abgehoben, und das
Falzmesser 18 weicht über die inaktive Stellung hinaus in die in der Fig. 4 gezeigte
Stellung ins Innere des Falzmesserzylinders zurück. In dieser Stellung können wiederum,
wie mit Bezug auf Fig. 1 und 2 beschrieben, die Flansche 13, 02 gegeneinander verdreht
werden, um die Falzmesser aus ihrer Position am Spalt 08 in die am Spalt 09 oder zurück
zu verstellen.A second development is shown in FIG. 4 in a section analogous to that of FIG. 3.
Here is the thickness of the
Alternativ wäre es auch möglich, die Stellglieder ortsfest, insbesondere an der
Steuerkurve 23, zu montieren und die Kolbenstange 36 an ihrem distalen Ende mit einem
der Rolle 22 zugewandten Kurvenabschnitt zu versehen, der wenigstens so lang ist, dass
die Rolle 22 während der Verstellung des Falzmessers 18 vom Spalt 08 zum Spalt 09
oder zurück darauf abrollen kann, um so das Falzmesser 18 während der gesamten
Verstellbewegung in einem sicheren Abstand von der Innenfläche 24 zu halten. Dieser
Abstand kann typischerweise ca. 1,5 mm betragen.Alternatively, it would also be possible to fix the actuators in a fixed position, in particular on the
Der Hydraulikzylinder 34 kann nach Zweckmäßigkeitsgesichtspunkten auch durch andere
Arten von Linearstellgliedern, z. B. solche mit elektromagnetischem Antrieb, ersetzt
werden.The
Fig. 5 zeigt einen Sektor eines Falzmesserzylinders gemäß einer weiteren Variante in
einer Ansicht analog der Figuren 3 und 4. Der Aufbau der rotierenden Teile des
Falzmesserzylinders ist der gleiche wie bei den obigen Ausgestaltungen und wird nicht
erneut beschrieben. Das Falzmesser 18 ist hier in der zurückgezogenen Stellung seiner
Falzbewegung gezeigt, kurz bevor die Rolle 22 eine Einbuchtung 37 der Steuerkurve 23
erreicht, die das Ausfahren des Falzmessers 18 in seine aktive Stellung veranlassen wird.5 shows a sector of a folding knife cylinder according to a further variant in FIG
a view analogous to Figures 3 and 4. The structure of the rotating parts of the
Folding knife cylinder is the same as in the above configurations and will not
described again. The
Die Rolle 22 ist breiter als die Steuerkurve 23.The
Eine zweite Steuerkurve 38 ist in der Fig. 5 als gestrichelter Umriss gezeigt. Sie ist im
normalen Betrieb des Falzmesserzylinders von der Steuerkurve 23 so weit beabstandet,
dass die Rolle 22 sie nicht berühren kann. A
Die zweite Steuerkurve 38 weist Bereiche 39, 41 mit zwei unterschiedlichen Radien auf,
wobei der kleinere Radius des Bereiches 41 geringfügig kleiner als der Radius der
Steuerkurve 23 in ihrem dem inaktiven Zustand des Falzmessers 18 entsprechenden
Bereich ist, wohingegen der größere Radius des Bereiches 39 deutlich größer als dieser
Wert ist.The
Um die Verstellung der Falzmesser 18 vorzunehmen, wird zunächst die zweite
Steuerkurve 38 in ihrer in Fig. 5 gezeigten Orientierung axial zur ersten Steuerkurve 23
hin verschoben, so dass sie wenigstens auf einem Teil ihrer Breite unter der Rolle 22 zu
liegen kommt. Anschließend wird die zweite Steuerkurve 38 im Uhrzeigersinn verdreht.
Dies führt dazu, dass die Rolle 22 von dem Bereich 39 mit großem Radius der zweiten
Steuerkurve 38 unterstützt wird, wodurch die Rolle 22 von der ersten Steuerkurve 23
abgehoben und das Falzmesser 18 so weit hinter seine in der Fig. 5 gezeigte inaktive
Stellung ins Innere des Falzmesserzylinders zurückgezogen wird, bis die Spitze des
Falzmessers 18 deutlich innerhalb der Innenfläche 24 liegt. In diesem Zustand kann die
Verstellung des Falzmessers 18 in der gleichen Weise wie bei den zuvor beschriebenen
Ausgestaltungen vorgenommen werden. Anschließend wird die zweite Steuerkurve 38
wieder von der ersten Steuerkurve 23 abgerückt, so dass letztere ihre Funktion der
Steuerung der Falzbewegung wieder aufnehmen kann.To make the adjustment of the
Bei den dargestellten Beispielen ist man von Falzmesserzylindern mit drei Falzmessern, die zwischen je zwei Spalten verstellbar sind, ausgegangen. Die Erfindung ist auch anwendbar auf Falzmesserzylinder mit einer beliebigen Zahl von Falzmessern und mehr als zwei Spalten.In the examples shown one is from folding knife cylinders with three folding knives, adjustable between two columns. The invention is also applicable to folding knife cylinders with any number of folding knives and more than two columns.
Bei den obigen Ausgestaltungen ist lediglich für die Spalte 09 ein Schließkörper 27
vorgesehen. Selbstverständlich könnte ein entsprechender Schließkörper auch auf der
gegenüberliegenden Seite des Falzmessers 18 angeordnet sein, um den Spalt 08 zu
verschließen, wenn das Falzmesser 18 am Spalt 09 liegt.In the above configurations, a closing
Das Falzmesser (18) wird von einer Arbeitsstellung, in der das Falzmesser (18) zumindest zeitweise außerhalb eines Sattels (03) angeordnet ist, in eine Ruhestellung, in der das Falzmesser (18) innerhalb des Sattels (03) angeordnet ist, verstellt. Dabei wird das Falzmesser (18) bezogen auf den Sattel (03) im Umfangsrichtung mit seiner Spitze innerhalb des Sattels (03) verstellt, d. h. es wird unterhalb von Segmenten (07) des Sattels (03) entlang bewegt. The folding knife (18) is from a working position in which the folding knife (18) at least is temporarily arranged outside a saddle (03), in a rest position, in which the Folding knife (18) is arranged within the saddle (03). It will Folding knife (18) with respect to the saddle (03) in the circumferential direction with its tip adjusted within the saddle (03), d. H. it is below segments (07) of the Saddles (03) moved along.
- 0101
- Wellewave
- 0202
- Flanschflange
- 03 04 0503 04 05
- Sattelsaddle
- 0606
- Segmentsegment
- 0707
- Segmentsegment
- 0808
- Spaltgap
- 09 1009 10
- Spaltgap
- 1111
- Spindelspindle
- 1212
- Greifergrab
- 1313
- Flanschflange
- 14 1514 15
- Traversetraverse
- 1616
- LanglochLong hole
- 1717
- Spindelspindle
- 1818
- Falzmesserfolding blade
- 19 2019 20
- Hebellever
- 2121
- Hebellever
- 2222
- Rollerole
- 2323
- Steuerkurvecam
- 24 2524 25
- InnenflächeInner surface
- 2626
- L-ProfilL-profile
- 2727
- Schließkörper closing body
- 2828
- Federelementspring element
- 29 3029 30
- Abschrägungbevel
- 3131
- Abschrägungbevel
- 3232
- InnenflächeInner surface
- 3333
- InnenflächeInner surface
- 34 3534 35
- Hydraulikzylinderhydraulic cylinders
- 3636
- Kolbenstangepiston rod
- 3737
- Einbuchtungindentation
- 3838
- Steuerkurvecam
- 39 4039 40
- Bereich von 38Range from 38
- 4141
- Bereich von 38Range from 38
Claims (16)
- Folding-blade cylinder of a folder, having a cylindrical saddle (03) and a folding blade (18) which can be extended out of an opening gap (08; 09) of the saddle (03) and can be displaced in the circumferential direction between various positions on the folding-blade cylinder, the saddle (03) having, in the circumferential direction, a plurality of openings (08; 09) assigned to the folding blade (18), the folding blade (18) being arranged displaceably so as to lie opposite various openings (08; 09) as desired, characterized in that the openings (08; 09) are configured as gaps (08; 09), and in that the folding blade (18), in its position of rest in the interior of the folding-blade cylinder, can be displaced between various positions which in each case lie opposite a different gap (08; 09).
- Folding-blade cylinder according to Claim 1, characterized in that the saddle (03) is constructed from segments (06; 07) of varying thickness, and in that the folding blade (18) can be displaced behind a thinner segment (07).
- Folding-blade cylinder according to Claim 1, characterized in that the movement of the folding blade (18) is controlled by a lever (21) running on a first control cam (23).
- Folding-blade cylinder according to Claim 1, characterized in that the spindles (11) of the folding blades (18) are arranged in a stationary manner with respect to the gaps (08; 09) during the folding movement.
- Folding-blade cylinder according to Claim 1, characterized in that a folding-jaw cylinder lies opposite the folding-blade cylinder.
- Folding-blade cylinder according to Claim 1, characterized in that the folding blade (18) performs a folding movement between an extended active position and an inactive position, the folding blade (18) being situated radially inside the inner surface (24; 33) of the saddle (03) in the inactive position.
- Folding-blade cylinder according to Claim 6, characterized in that the saddle (03) is constructed from segments (06; 07) of varying thickness, and in that the folding blade (18) can be displaced behind a thinner segment (07).
- Folding-blade cylinder according to Claim 3, characterized in that an actuator is provided for lifting the lever off the first control cam (23).
- Folding-blade cylinder according to Claim 8, characterized in that the actuator is a linear actuator acting on the lever, in particular an operating cylinder (34) or an electromagnetic actuator.
- Folding-blade cylinder according to Claim 8, characterized in that the actuator is a second control cam (38) which can be rotated against the first one.
- Folding-blade cylinder according to one of the preceding claims, characterized in that the gaps (08; 09) have bevels (31) at their outer edges.
- Folding-blade cylinder according to Claim 1, characterized in that a closing body (27) closes the respective gap (09) not occupied by the folding blade (18).
- Folding-blade cylinder according to Claim 12, characterized in that the closing body (27) is coupled to the displacement of the folding blade (18) in the circumferential direction.
- Folding-blade cylinder according to Claim 13, characterized in that the gap (09), which can be closed by the closing body (27), and/or the closing body (27) have/has bevels (29) at their mutually facing sides.
- Folding-blade cylinder according to Claim 13 or 14, characterized in that a spring element (28) exerts a radially outwardly directed force on the closing body (27).
- Folding-blade cylinder according to Claim 15, characterized in that the spring element (28) and the closing body (27) are formed in one piece from a sheet-metal strip.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10106671 | 2001-02-14 | ||
DE10106671A DE10106671C2 (en) | 2001-02-14 | 2001-02-14 | folding blade |
PCT/DE2001/004588 WO2002064473A1 (en) | 2001-02-14 | 2001-12-06 | Folding blade cylinder of a folding machine and method for regulating a folding blade |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1360135A1 EP1360135A1 (en) | 2003-11-12 |
EP1360135B1 true EP1360135B1 (en) | 2004-08-11 |
Family
ID=7673904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01989374A Expired - Lifetime EP1360135B1 (en) | 2001-02-14 | 2001-12-06 | Folding blade cylinder of a folding machine and method for regulating a folding blade |
Country Status (5)
Country | Link |
---|---|
US (1) | US6869388B2 (en) |
EP (1) | EP1360135B1 (en) |
AT (1) | ATE273231T1 (en) |
DE (2) | DE10106671C2 (en) |
WO (1) | WO2002064473A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10208292B4 (en) * | 2002-02-26 | 2004-04-15 | Koenig & Bauer Ag | folding |
DE10329672B4 (en) * | 2003-07-02 | 2007-02-15 | Koenig & Bauer Ag | Puncture cylinder of a folder with at least one spur strip |
US7896795B2 (en) * | 2005-10-25 | 2011-03-01 | Goss International Americas, Inc. | Folder with signature support |
US20070231773A1 (en) * | 2006-03-31 | 2007-10-04 | Curtis Pontynen | Methods, Devices, Systems and Kits for Isolating Teeth |
JP5649968B2 (en) | 2007-09-26 | 2015-01-07 | ウルトラデント プロダクツ インコーポレイテッド | Methods, devices, systems, assemblies and kits for tissue traction in the oral cavity |
JP6449847B2 (en) | 2013-03-15 | 2019-01-09 | ウルトラデント プロダクツ インコーポレイテッド | Cheek retractor device and method |
USD763444S1 (en) | 2014-03-14 | 2016-08-09 | Ultradent Products, Inc. | Cheek retractor device |
USD737964S1 (en) | 2014-03-14 | 2015-09-01 | Ultradent Products, Inc. | Cheek retractor device |
MX2017000195A (en) * | 2014-07-03 | 2017-08-22 | Foldedpak Inc | System and method for expanding flat-stock precursor material. |
USD792590S1 (en) | 2015-07-21 | 2017-07-18 | Ultradent Products, Inc. | Cheek retractor device |
USD914214S1 (en) | 2019-06-03 | 2021-03-23 | Ultradent Products, Inc. | Dental retraction device |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1222082B (en) * | 1960-09-30 | 1966-08-04 | Wood Newspaper Mach Corp | Folding device on a rotary printing press |
JPH0536675Y2 (en) * | 1986-02-07 | 1993-09-16 | ||
FR2643589B1 (en) * | 1989-02-28 | 1991-06-14 | Marinoni Harris Sa | CUTTING AND FOLDING MACHINE FOR A STRIP OF PRINTED PAPER |
FR2697205B1 (en) | 1992-10-26 | 1995-03-24 | Heidelberger Druckmasch Ag | Machine for cutting and folding an unbroken strip of printed paper. |
DE29502957U1 (en) * | 1995-02-22 | 1995-04-06 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Cylinder in an adjustable diameter folder |
DE19533064C2 (en) * | 1995-03-25 | 2000-11-23 | Koenig & Bauer Ag | Procedure for moving pin needles |
FR2752231B1 (en) * | 1996-08-06 | 1998-11-20 | Heidelberg Harris Sa | CYLINDER THROUGH SHEETS AND COMPRISING A DEVICE FOR GUIDING WORKING ELEMENTS EXECUTING OUTPUT MOVEMENTS |
EP0938443B1 (en) * | 1996-10-25 | 2001-06-13 | Koenig & Bauer Aktiengesellschaft | Folding apparatus |
JP3382956B2 (en) * | 1996-12-21 | 2003-03-04 | ケーニツヒ ウント バウエル アクチエンゲゼルシヤフト | Folding cylinder |
FR2774024B1 (en) * | 1998-01-27 | 2000-04-14 | Heidelberger Druckmasch Ag | FOLDER OF A ROTARY PRINTING MACHINE |
JP3038212B1 (en) * | 1999-07-15 | 2000-05-08 | 株式会社東京機械製作所 | Needle operation timing adjustment device for folding cylinder and folding device |
US6279890B1 (en) * | 2000-04-11 | 2001-08-28 | Goss Graphic Systems, Inc. | Combination rotary and jaw folder for a printing press |
JP3738418B2 (en) * | 2001-07-18 | 2006-01-25 | 株式会社東京機械製作所 | Folding device |
JP3680945B2 (en) * | 2002-06-14 | 2005-08-10 | 株式会社東京機械製作所 | Automatic adjustment device for the customizing device |
-
2001
- 2001-02-14 DE DE10106671A patent/DE10106671C2/en not_active Expired - Fee Related
- 2001-12-06 WO PCT/DE2001/004588 patent/WO2002064473A1/en not_active Application Discontinuation
- 2001-12-06 AT AT01989374T patent/ATE273231T1/en not_active IP Right Cessation
- 2001-12-06 EP EP01989374A patent/EP1360135B1/en not_active Expired - Lifetime
- 2001-12-06 DE DE50103264T patent/DE50103264D1/en not_active Expired - Lifetime
- 2001-12-06 US US10/467,173 patent/US6869388B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE10106671C2 (en) | 2003-10-02 |
US20040084826A1 (en) | 2004-05-06 |
ATE273231T1 (en) | 2004-08-15 |
EP1360135A1 (en) | 2003-11-12 |
US6869388B2 (en) | 2005-03-22 |
DE50103264D1 (en) | 2004-09-16 |
DE10106671A1 (en) | 2002-08-29 |
WO2002064473A1 (en) | 2002-08-22 |
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