EP1451088B1 - Flying tuck folding device - Google Patents
Flying tuck folding device Download PDFInfo
- Publication number
- EP1451088B1 EP1451088B1 EP02805252A EP02805252A EP1451088B1 EP 1451088 B1 EP1451088 B1 EP 1451088B1 EP 02805252 A EP02805252 A EP 02805252A EP 02805252 A EP02805252 A EP 02805252A EP 1451088 B1 EP1451088 B1 EP 1451088B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tip
- folding
- folder according
- cat
- cylinder
- 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
- B65H45/161—Flying tuck 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
- B65H45/16—Rotary folders
- B65H45/162—Rotary folders with folding jaw cylinders
- B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/40—Toothed gearings
- B65H2403/48—Other
- B65H2403/482—Harmonic drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/13—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/22—Distance
- B65H2511/224—Nip between rollers, between belts or between rollers and belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/10—Speed
Definitions
- the invention relates to a wheel folding apparatus according to the preamble of claim 1.
- Such apparatuses are used in the printing industry especially in newspaper printing, in Connected to a web press used to make a continuous printed To cut web into individual products across and the products thus obtained across fold.
- the individual products to be folded by a folding cylinder so on Pair of folding rollers deliver that portion of the product in which the fold should be formed in a gap between the counter-rotating folding rollers meets. The rotation of the folding rollers, the product is drawn into the gap and folded in this way.
- the US 19 85 917 A describes a Winder, in which the gears for Drive the folding rollers can be dimensioned so that either slip or Synchronization of the folding rollers with the folding cylinder can be achieved.
- the GB 225 306 A gives the hint, the folding rollers of a Räderfalzes without direct To drive gear connection to the folding cylinder.
- GB 21 06 478 A and DE 37 41 990 A1 show folding rollers by means of Drive shafts are driven.
- the invention has for its object to provide a Räderfalzapparat.
- Winder folders are in contrast to Klappenfalzapparaten preferably for Processing relatively thick products used in the flaps of a Klappenfalzapparates can not be held securely. Such products too processing is possible with a wheel folder, but also arise here technical problems from the need to change products, not negligible thickness to process. So that the product to be processed on Input of the gap between the folding rollers of these reliably detected, fed and as sharp as possible, they must cross each other to the cleavage plane be adjustable, whereby the folding rollers must be adjusted so that the products be safely passed into the nip of the folding rollers and no fold marks on Product arise. This need for the folding rollers to be displaceable leads to difficulties in oil-tight storage of the folding rollers in the side plates a frame of the folder.
- the Circumferential speed of the folding rollers must be adapted to these types of production so that the products neither dive into the gap between the folding rollers be crushed and thereby wrinkle, be pulled and thus Remove traces of scraper from the folding rollers.
- auxiliary engine By operating the auxiliary engine at different rotational speeds, can set different advances of the folding rollers relative to the cylinder without having to make any changes to the transmission.
- the Overfeed can be varied without the need for a folder - and if necessary an upstream printing press - must be stopped.
- the auxiliary motor is a control circuit for adjusting its Speed, preferably for stepless adjustment assigned.
- the wheel folder further comprises Differential with three input or output members, one of each with the Cylinder, is connected to the auxiliary motor or with the folding rollers.
- This Differential gear produces a coupling between the cylinder and the folding rollers, which makes it possible to drive the latter substantially via the main drive motor, the also drives the cylinder, and with the auxiliary engine, only a correction of Speed of the folding rollers in the order of a few percent to effect.
- the differential gear can be simple and compact as a harmonic drive gearbox be executed. In this case, it is in the connected to the auxiliary motor Drive member preferably around the central shaft of the harmonic drive transmission. This allows an electric motor with speeds in the range of several hundred to several thousand revolutions per minute directly as an auxiliary engine to the To connect differential gear without requiring an additional reduction gear is required.
- the mutually movable folding rollers are preferably via cardan shafts driven; with these it is possible the folding rollers despite their agility to rotate against each other evenly, without problems of oil tightness of the Storage of the folding rollers occur.
- the folder comprises a plurality of between two side frame plates held rollers and cylinders, the most important of which are shown in section in Fig. 1 are.
- a material strand 01 coming from a former enters from above into the folder and is guided on a folding cylinder 02.
- the Folding cylinder 02 is rotated at the same peripheral speed as a Cylinder 04, z. B. cutting cylinder 04, with which he limits a gap 03 together.
- the material strand 01 of a knife of the Cutting cylinder 04 divided into individual products. These are each with their in Running direction of the material strand 01 front edge of grippers (not shown) of the Folding cylinder 02 held in the counterclockwise direction on the folding cylinder 02 on promoted.
- the middle of one of the folding cylinder 02 after the Cutting further transported product over the gap 07 between the folding rollers 06th is located, the product by a out of the folding cylinder 02 extending knife (not shown) and introduced into the gap 07, in which it by the rotation of the Folding rollers 06 fed and so folded in the middle.
- a Paddle wheel 08 arranged so that emerging from the gap 07, folded products fall in each case in blades of the paddle wheel 08 and by the rotating paddle wheel 08th be designed for a belt conveyor 09.
- a main drive motor 11 drives via a gear 12 and a toothed spur gear 31 (see Fig. 3) of the cutting cylinder 04 whose rotational movement. With the spur gear 31 the cutting cylinder 04 also meshes with a gear of the folding cylinder 02, via which the Rotation of the latter is driven. About one on the axis of the cutting cylinder 04 mounted pulley 13 and a belt 14, the rotation of the Paddle wheel 08 driven.
- the rotation of the folding rollers 06 is via a differential gear 16 with three input / output members driven, which is shown in Fig. 2 and 3 in more detail.
- the differential gear 16 shown in section in FIG. 2 is a so-called Harmonic Drive gearbox 16 or HD gearbox 16.
- a central shaft 17 of the HD transmission 16 is directly to the output shaft of a Auxiliary motor 18 coupled.
- This central shaft 17 has a section of elliptical Cross section 19, also referred to as rotor 19, on which, separated by according to the Shape of the rotor 19 elliptically deformed bearings 20, z.
- the elliptically shaped ring 21 meshes with the internal serrations of the sleeves 22; 23 each at two opposite points on the longer axis of the ellipse, and its number of teeth is by a small even number lower than that of the sleeves 22; 23rd
- the auxiliary motor 18 is associated with a control circuit, not shown, which it so supplied with electrical energy, that he is connected to one of this control circuit adjustable speed rotates forward or backward.
- control circuits are known and need not be described in detail here.
- the driven by the auxiliary motor 18 rotation of the shaft 17 is superimposed with the from Spur gear 31 driven rotation additive with a reduction ratio, the Ratio between the number of teeth of the ring 21 and the difference in the number of teeth of Ring 21 and sleeve 22 or 23 corresponds.
- the auxiliary motor 18 directly, without interposition a reduction gear to couple to the shaft 17 and by varying the Speed of the auxiliary motor 18 in its entire usable speed range, the z. B. ⁇ 3,500 rpm.
- the advance is in one Interval adjustable from 12% to 16%.
- Such a correction interval is in full sufficient to speed the folding rollers 06 to processing to be able to adapt to different thicknesses of products; within this area is one very exact control possible.
- auxiliary motor 18 may also be Auxiliary motor can be used with a single direction of rotation; in this case, the Translation between cutting cylinder 04 and folding rollers 06 with stationary shaft 17th each chosen so that an overedge at the lower (or upper) edge of a desired range of values, ie z. B. 12% (or 16%) results, and a correction of Advance of up to + 4% (or -4%) is achieved by appropriate adjustment of Speed of the auxiliary engine reached.
- the second head 38 of the universal joint 34 is rigidly connected to one of the shaft via a shaft Folding rollers 06 connected.
- This shaft extends through a first bearing bush 41, which is arranged between the universal joint 34 and the folding roller 06, and a second (not shown) bearing bush at the opposite end of the folding roller 06.
- Both Bushings are transverse to the plane of the gap 07 between the two folding rollers 06th displaceable, z. B. by a rail guide or by mounting on a Swivel arm.
- both folding rollers 06 may be mechanically coupled and via its own from the main drive independent, especially speed and / or be driven position-controlled electric motor. Likewise, for each folding roller 06 a its own speed and / or position-controlled electric motor be provided.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Air Bags (AREA)
- Outer Garments And Coats (AREA)
- Dry Shavers And Clippers (AREA)
- Knives (AREA)
Abstract
Description
Die Erfindung betrifft einen Räderfalzapparat gemäß dem Oberbegriff des Anspruches 1.The invention relates to a wheel folding apparatus according to the preamble of claim 1.
Derartige Apparate werden in der Druckindustrie insbesondere im Zeitungsdruck, im Anschluss an eine Rollendruckmaschine eingesetzt, um eine kontinuierliche bedruckte Bahn in einzelne Produkte quer zu schneiden und die so erhaltenen Produkte quer zu falzen. Dabei werden die zu falzenden Einzelprodukte von einem Falzzylinder so an ein Paar von Falzwalzen abgegeben, dass ein Abschnitt des Produkts, in dem der Falz gebildet werden soll, in einen Spalt zwischen den gegensinnig rotierenden Falzwalzen trifft. Durch die Drehung der Falzwalzen wird das Produkt in den Spalt eingezogen und auf diese Weise gefalzt.Such apparatuses are used in the printing industry especially in newspaper printing, in Connected to a web press used to make a continuous printed To cut web into individual products across and the products thus obtained across fold. Here are the individual products to be folded by a folding cylinder so on Pair of folding rollers deliver that portion of the product in which the fold should be formed in a gap between the counter-rotating folding rollers meets. The rotation of the folding rollers, the product is drawn into the gap and folded in this way.
Die DE-PS 11 26 412 und die EP 0 222 152 B1 offenbaren Räderfalzapparate.DE-PS 11 26 412 and EP 0 222 152 B1 disclose Räderfalzapparate.
Die US 19 85 917 A beschreibt einen Räderfalzapparat, bei dem die Zahnräder zum Antrieb der Falzwalzen so dimensioniert werden können, dass entweder Schlupf oder Gleichlauf der Falzwalzen mit dem Falzzylinder erreichbar ist.The US 19 85 917 A describes a Winder, in which the gears for Drive the folding rollers can be dimensioned so that either slip or Synchronization of the folding rollers with the folding cylinder can be achieved.
Die GB 225 306 A gibt den Hinweis, die Falzwalzen eines Räderfalzes ohne direkte Getriebeverbindung zum Falzzylinder anzutreiben.The GB 225 306 A gives the hint, the folding rollers of a Räderfalzes without direct To drive gear connection to the folding cylinder.
Die GB 21 06 478 A und die DE 37 41 990 A1 zeigen Falzwalzen, die mittels
Gelenkwellen angetrieben sind.
Durch die DE 44 02 387 A1 sind Falzwalzen bekannt, die durch einen Elektromotor angetrieben sind. By DE 44 02 387 A1 folding rollers are known, which by an electric motor are driven.
Der Erfindung liegt die Aufgabe zugrunde, einen Räderfalzapparat zu schaffen.The invention has for its object to provide a Räderfalzapparat.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.
Räderfalzapparate werden im Gegensatz zu Klappenfalzapparaten vorzugsweise zur Verarbeitung relativ dicker Produkte eingesetzt, die in den Klappen eines Klappenfalzapparates nicht sicher gehalten werden können. Solche Produkte zu verarbeiten, ist mit einem Räderfalzapparat zwar möglich, doch ergeben sich auch hier technische Probleme aus der Notwendigkeit, Produkte in wechselnder, nicht vernachlässigbarer Dicke zu verarbeiten. Damit das zu verarbeitende Produkt am Eingang des Spalts zwischen den Falzwalzen von diesen zuverlässig erfasst, eingezogen und möglichst scharf gefalzt wird, müssen diese quer zur Spaltebene gegeneinander einstellbar sein, wobei die Falzwalzen so eingestellt werden müssen, dass die Produkte sicher in den Spalt der Falzwalzen übergeben werden und keine Falzmarkierungen am Produkt entstehen. Diese Notwendigkeit, dass die Falzwalzen verschiebbar sein müssen, führt zu Schwierigkeiten bei der öldichten Lagerung der Falzwalzen in den Seitenplatten eines Gestells des Falzapparats.Winder folders are in contrast to Klappenfalzapparaten preferably for Processing relatively thick products used in the flaps of a Klappenfalzapparates can not be held securely. Such products too processing is possible with a wheel folder, but also arise here technical problems from the need to change products, not negligible thickness to process. So that the product to be processed on Input of the gap between the folding rollers of these reliably detected, fed and as sharp as possible, they must cross each other to the cleavage plane be adjustable, whereby the folding rollers must be adjusted so that the products be safely passed into the nip of the folding rollers and no fold marks on Product arise. This need for the folding rollers to be displaceable leads to difficulties in oil-tight storage of the folding rollers in the side plates a frame of the folder.
Mit der Erfindung kommen unterschiedliche Produkte wie Broadsheet oder Straight, gesammelt oder nichtgesammelt mit unterschiedlicher Dicke und somit auch unterschiedlichen Falzgeschwindigkeiten leicht verarbeitet werden. Die Umfangsgeschwindigkeit der Falzwalzen muss diesen Produktionsarten angepasst werden, damit die Produkte beim Eintauchen in den Spalt zwischen die Falzwalzen weder gestaucht werden und dadurch knittern, noch gezogen werden und damit Schrammspuren von den Falzwalzen davontragen.With the invention come different products such as broadsheet or straight, collected or not collected with different thickness and therefore also different folding speeds are easily processed. The Circumferential speed of the folding rollers must be adapted to these types of production so that the products neither dive into the gap between the folding rollers be crushed and thereby wrinkle, be pulled and thus Remove traces of scraper from the folding rollers.
Indem der Hilfsmotor mit unterschiedlichen Drehgeschwindigkeiten betrieben wird, können unterschiedliche Voreilungen der Falzwalzen gegenüber dem Zylinder eingestellt werden, ohne dass hierzu Änderungen am Getriebe vorgenommen werden müssen. Die Voreilung kann variiert werden, ohne dass hierfür der Falzapparat - und gegebenenfalls eine ihm vorgeordnete Druckmaschine - angehalten werden muss.By operating the auxiliary engine at different rotational speeds, can set different advances of the folding rollers relative to the cylinder without having to make any changes to the transmission. The Overfeed can be varied without the need for a folder - and if necessary an upstream printing press - must be stopped.
Zweckmäßigerweise ist dem Hilfsmotor eine Steuerschaltung zum Einstellen seiner Drehzahl, vorzugsweise zum stufenlosen Einstellen, zugeordnet.Conveniently, the auxiliary motor is a control circuit for adjusting its Speed, preferably for stepless adjustment assigned.
Gemäß einer bevorzugten Ausgestaltung umfasst der Räderfalzapparat ferner ein Differentialgetriebe mit drei An- oder Abtriebsgliedern, von denen jeweils eines mit dem Zylinder, mit dem Hilfsmotor bzw. mit den Falzwalzen verbunden ist. Dieses Differentialgetriebe stellt eine Kopplung zwischen dem Zylinder und den Falzwalzen her, die es ermöglicht, letztere im wesentlichen über den Hauptantriebsmotor anzutreiben, der auch den Zylinder antreibt, und mit dem Hilfsmotor lediglich eine Korrektur der Geschwindigkeit der Falzwalzen in der Größenordnung von einigen Prozent zu bewirken.According to a preferred embodiment, the wheel folder further comprises Differential with three input or output members, one of each with the Cylinder, is connected to the auxiliary motor or with the folding rollers. This Differential gear produces a coupling between the cylinder and the folding rollers, which makes it possible to drive the latter substantially via the main drive motor, the also drives the cylinder, and with the auxiliary engine, only a correction of Speed of the folding rollers in the order of a few percent to effect.
Das Differentialgetriebe kann einfach und kompakt als Harmonic-Drive-Getriebe ausgeführt sein. In diesem Fall handelt es sich bei dem mit dem Hilfsmotor verbundenen Antriebsglied vorzugsweise um die zentrale Welle des Harmonic-Drive-Getriebes. Dies erlaubt es, einen Elektromotor mit Drehzahlen im Bereich von mehreren Hundert bis mehreren Tausend Umdrehungen pro Minute direkt als Hilfsmotor an das Differentialgetriebe anzuschließen, ohne dass ein zusätzliches Untersetzungsgetriebe erforderlich ist.The differential gear can be simple and compact as a harmonic drive gearbox be executed. In this case, it is in the connected to the auxiliary motor Drive member preferably around the central shaft of the harmonic drive transmission. This allows an electric motor with speeds in the range of several hundred to several thousand revolutions per minute directly as an auxiliary engine to the To connect differential gear without requiring an additional reduction gear is required.
Die gegeneinander bewegbaren Falzwalzen sind vorzugsweise über Kardanwellen angetrieben; mit diesen ist es möglich, die Falzwalzen trotz ihrer Beweglichkeit gegeneinander gleichmäßig drehanzutreiben, ohne dass Probleme der Öldichtheit an den Lagern der Falzwalzen auftreten.The mutually movable folding rollers are preferably via cardan shafts driven; with these it is possible the folding rollers despite their agility to rotate against each other evenly, without problems of oil tightness of the Storage of the folding rollers occur.
Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher geschrieben.Embodiments of the invention are illustrated in the drawings and are in following written.
Es zeigen:
- Fig. 1
- einen schematischen Schnitt durch einen Räderfalzapparat gemäß der vorliegenden Erfindung;
- Fig. 2
- einen Schnitt durch das Differentialgetriebe des Räderfalzapparats;
- Fig. 3
- eine schematische perspektivische Ansicht von Teilen des Getriebes des Falzapparats.
- Fig. 1
- a schematic section through a Winder according to the present invention;
- Fig. 2
- a section through the differential gear of the Räderfalzapparats;
- Fig. 3
- a schematic perspective view of parts of the transmission of the folder.
Der Falzapparat umfasst eine Mehrzahl von zwischen zwei seitlichen Gestellplatten
gehaltenen Walzen und Zylindern, von denen die wichtigsten im Schnitt in Fig. 1 gezeigt
sind. Ein von einem (nicht dargestellten) Falztrichter kommender Materialstrang 01 tritt
von oben in den Falzapparat ein und wird auf einen Falzzylinder 02 geführt. Der
Falzzylinder 02 wird mit der gleichen Umfangsgeschwindigkeit drehangetrieben wie ein
Zylinder 04, z. B. Schneidzylinder 04, mit dem zusammen er einen Spalt 03 begrenzt.
Beim Durchlaufen des Spalts 03 wird der Materialstrang 01 von einem Messer des
Schneidzylinders 04 in einzelne Produkte zerteilt. Diese werden jeweils mit ihrer in
Laufrichtung des Materialstrangs 01 vorderen Kante von Greifern (nicht dargestellt) des
Falzzylinders 02 festgehalten und im Gegenuhrzeigersinn am Falzzylinder 02 weiter
befördert.The folder comprises a plurality of between two side frame plates
held rollers and cylinders, the most important of which are shown in section in Fig. 1
are. A
Unterhalb des Falzzylinders 02 ist ein Paar Falzwalzen 06 gegeneinander horizontal
verschiebbar angeordnet. Wenn sich die Mitte eines am Falzzylinder 02 nach dem
Schneiden weiter beförderten Produktes über dem Spalt 07 zwischen den Falzwalzen 06
befindet, wird das Produkt durch ein aus dem Falzzylinder 02 ausfahrendes Messer (nicht
dargestellt) abgestoßen und in den Spalt 07 eingeführt, in den es durch die Drehung der
Falzwalzen 06 eingezogen und so mittig gefalzt wird. Unterhalb der Falzwalzen 06 ist ein
Schaufelrad 08 so angeordnet, dass aus dem Spalt 07 austretende, gefalzte Produkte
jeweils in Schaufeln des Schaufelrades 08 fallen und durch das rotierende Schaufelrad 08
auf eine Bandfördereinrichtung 09 ausgelegt werden.Below the folding
Ein Hauptantriebsmotor 11 treibt über ein Zahnrad 12 und ein gezahntes Stirnrad 31
(siehe Fig. 3) des Schneidzylinders 04 dessen Drehbewegung an. Mit dem Stirnrad 31
des Schneidzylinders 04 kämmt auch ein Zahnrad des Falzzylinders 02, über das die
Drehung des letzteren angetrieben wird. Über eine auf der Achse des Schneidzylinders
04 montierte Riemenscheibe 13 und einem Riemen 14 wird die Drehung des
Schaufelrades 08 angetrieben. A main drive motor 11 drives via a
Die Drehung der Falzwalzen 06 ist über ein Differentialgetriebe 16 mit drei An/Abtriebsgliedern
angetrieben, das in Fig. 2 und 3 genauer dargestellt ist.The rotation of the
Das in Fig. 2 im Schnitt gezeigte Differentialgetriebe 16 ist ein sogenanntes
Harmonic-Drive-Getriebe 16 oder HD-Getriebe 16.The
Eine zentrale Welle 17 des HD-Getriebes 16 ist direkt an die Abtriebswelle eines
Hilfsmotors 18 gekoppelt. Diese zentrale Welle 17 hat einen Abschnitt von elliptischem
Querschnitt 19, auch als Rotor 19 bezeichnet, auf dem, getrennt durch entsprechend der
Form des Rotors 19 elliptisch verformte Lager 20, z. B. Kugellager 20, ein flexibler, der
Außenkontur der Kugellager 20 entsprechend verformter Ring 21 aufgezogen ist, der eine
Außenverzahnung trägt. Dieser außen verzahnte Ring 21, auch als Flexspline bezeichnet,
kämmt mit zwei axial nebeneinander angeordneten, innen verzahnten Hülsen 22; 23, die
jeweils drehfest mit Zahnrädern, 24; 26 verbunden sind. Der elliptisch geformte Ring 21
kämmt mit den Innenverzahnungen der Hülsen 22; 23 jeweils an zwei
gegenüberliegenden Stellen auf der längeren Achse der Ellipse, und seine Zähnezahl ist
um eine kleine gerade Zahl niedriger als die der Hülsen 22; 23.A
Wie in der perspektivischen Ansicht der Fig. 3 gezeigt, kämmt das von der Seitenplatte 27
des Gestells 27 abgelegene Zahnrad 24 mit einem ersten Antriebszahnrad 28 der
Falzwalzen 06, das an der Seitenplatte 27 ortsfest drehbar gelagert ist, und das erste
Antriebszahnrad 28 kämmt seinerseits mit einem zweiten Antriebszahnrad 29 der
Falzwalzen 06. Die Zähnezahlen der Antriebszahnräder 28; 29 sind gleich, so dass beide
mit gleicher Geschwindigkeit gegensinnig rotieren.As shown in the perspective view of FIG. 3, that meshes with the
Das näher zur Seitenplatte 27 hin gelegene Zahnrad 26 des Differentialgetriebes 16
kämmt mit dem oben bereits erwähnten Stirnrad 31 des Schneidzylinders 04. Das
Zahnrad 26 stellt somit ein erstes Antriebsglied des Differentialgetriebes 16 dar, und das
Zahnrad 24 bildet ein Abtriebsglied.The closer to the
Wenn die zentrale Welle 17 des Differentialgetriebes 16 nicht rotiert, überträgt sich eine
vom Stirnrad 31 angetriebene Drehung des Zahnrades 26 auf den Ring 21, der dann mit
einer Drehzahl rotiert, die um das Verhältnis der Zähnezahlen von Hülse 22 und Ring 21
größer als die des Zahnrades 24 ist. Eine entsprechende Übersetzung findet zwischen
dem Ring 21 und der Hülse 23 statt, so dass, wenn die Zahnzahlen der Hülsen 22; 23
gleich sind, die Zahnräder 24; 26 mit gleicher Geschwindigkeit rotieren. Die Zahnzahlen
des Stirnrades 31, der Zahnräder 26; 24 des Differentialgetriebes 16 und der
Antriebszahnräder 28; 29 der Falzwalzen 06 sind so gewählt, dass sich in diesem
Zustand, bei festgehaltener Welle 17, eine Voreilung der Falzwalzen 06 von ca. 14 %
gegenüber dem Falzzylinder 02 ergibt.When the
Dem Hilfsmotor 18 ist eine nicht dargestellte Steuerschaltung zugeordnet, die ihn derart
mit elektrischer Energie versorgt, dass er mit einer an dieser Steuerschaltung
einstellbaren Geschwindigkeit vor- oder rückwärts rotiert. Derartige Steuerschaltungen
sind bekannt und brauchen hier nicht im Detail beschrieben zu werden.The
Die vom Hilfsmotor 18 angetriebene Drehung der Welle 17 überlagert sich mit der vom
Stirnrad 31 angetriebenen Drehung additiv mit einem Untersetzungsverhältnis, das dem
Verhältnis zwischen der Zähnezahl des Rings 21 und der Differenz der Zähnezahlen von
Ring 21 und Hülse 22 oder 23 entspricht. Diese durch die Konstruktion des HD-Getriebes
16 bedingte Untersetzung erlaubt es, den Hilfsmotor 18 direkt, ohne Zwischenschaltung
eines Untersetzungsgetriebes, an die Welle 17 zu koppeln und durch Variieren der
Drehzahl des Hilfsmotors 18 in seinem gesamten nutzbaren Drehzahlbereich, der
z. B. ± 3.500 U/min. umfassen kann, eine Korrektur der Drehgeschwindigkeit der
Falzwalzen 06 in einer Größenordnung von z. B. nur ± 2 % bezogen auf ihre
Geschwindigkeit bei stehender Welle 17 zu erreichen. D. h. die Voreilung ist in einem
Intervall von 12 % bis 16 % einstellbar. Ein solches Korrekturintervall ist vollauf
ausreichend, um die Geschwindigkeit der Falzwalzen 06 an die Verarbeitung
unterschiedlich dicker Produkte anpassen zu können; innerhalb dieses Bereichs ist eine
sehr exakte Regelung möglich.The driven by the
Anstelle eines in zwei Drehrichtungen regelbar antreibaren Hilfsmotors 18 kann auch ein
Hilfsmotor mit einer einzigen Drehrichtung eingesetzt werden; in diesem Fall ist die
Übersetzung zwischen Schneidzylinder 04 und Falzwalzen 06 bei stehender Welle 17
jeweils so gewählt, dass eine Voreilung am unteren (oder oberen) Rand eines
gewünschten Wertebereichs, also z. B. 12 % (oder 16%) resultiert, und eine Korrektur der
Voreilung von bis zu +4 % (oder -4 %) wird durch entsprechende Einstellung der
Drehzahl des Hilfsmotors erreicht.Instead of a controllably driven in two directions of rotation
Wie Fig. 3 zeigt, wird die Drehung der Antriebszahnräder 28; 29 an die Falzwalzen 06
jeweils über winkelausgleichende Kupplungen 32, z. B. Kardanwellen 32 übertragen.
Diese umfassen jeweils zwei Gelenke 33; 34, z. B. Kardangelenke 33; 34 und eine
Stange 36, die jeweils einen Kopf 37 der Kardangelenke 33, 34 miteinander verbindet.
Der andere Kopf 38 des Gelenks 33 sitzt an einem Ende einer Welle, deren anderes Ende
das Antriebszahnrad 28 bzw. 29 trägt und in einer Lagerbuchse 39 gehalten ist, die in
nicht dargestellter Weise fest mit der Seitenplatte 27 verbunden ist.As shown in Fig. 3, the rotation of the drive gears 28; 29 to the
Der zweite Kopf 38 des Kardangelenks 34 ist über eine Welle starr mit einer der
Falzwalzen 06 verbunden. Diese Welle erstreckt sich durch eine erste Lagerbuchse 41,
die zwischen dem Kardangelenk 34 und der Falzwalze 06 angeordnet ist, und eine zweite
(nicht dargestellte) Lagerbuchse am gegenüberliegenden Ende der Falzwalze 06. Beide
Lagerbuchsen sind quer zur Ebene des Spalts 07 zwischen den zwei Falzwalzen 06
verschiebbar, z. B. durch eine Schienenführung oder durch Montage an einem
Schwenkarm.The
Eine gewisse Bewegungsfreiheit der Falzwalzen 06 quer zur Ebene des Spalts 07
resultiert bereits aus einem Spiel der Köpfe 37; 38 in Längsrichtung. Die
Bewegungsfreiheit lässt sich vergrößern, wenn die Stangen 36 jeweils einen teleskopisch
ausziehbaren Aufbau haben, mit einer mit einem der Köpfe 37; 38 starr verbundenen
äußeren Hülse und einem mit dem jeweils anderen Kopf 38 bzw. 37 starr verbundenen, in
der Hülse drehfest und verschiebbar geführten Schaft.A certain freedom of movement of the
Anstelle des Hilfsmotors 18 können beide Falzwalzen 06 mechanisch gekoppelt sein und
über einen eigenen vom Hauptantrieb unabhängigen, insbesondere drehzahl- und/oder
lagegeregelten Elektromotor angetrieben sein. Ebenso kann für jede Falzwalze 06 ein
eigener drehzahl- und/oder lagegeregelter Elektromotor vorgesehen sein. Instead of the
- 0101
- Materialstrangmaterial strand
- 0202
- Falzzylinderfolding cylinder
- 0303
- Spaltgap
- 0404
- Zylinder, SchneidzylinderCylinder, cutting cylinder
- 0505
- --
- 0606
- Falzwalzefolding roller
- 0707
- Spaltgap
- 0808
- Schaufelradpaddle wheel
- 0909
- BandfördereinrichtungBelt conveyor
- 1010
- --
- 1111
- HauptantriebsmotorMain drive motor
- 1212
- Zahnradgear
- 1313
- Riemenscheibepulley
- 1414
- Riemenbelt
- 1515
- --
- 1616
- Differentialgetriebe, Harmonic-Drive-Getriebe, HD-GetriebeDifferential, Harmonic-Drive, HD
- 1717
- Welle, zentralWave, central
- 1818
- Hilfsmotorauxiliary engine
- 1919
- Querschnitt, RotorCross section, rotor
- 2020
- Lager, KugellagerBearings, ball bearings
- 2121
- Ringring
- 2222
- Hülssleeve
- 2323
- Hülseshell
- 2424
- Zahnradgear
- 2525
- --
- 2626
- Zahnradgear
- 2727
- Gestell, Seitenplatte Frame, side plate
- 2828
- Antriebszahnrad, erstesDrive gear, first
- 2929
- Antriebszahnrad, zweitesDrive gear, second
- 3030
- --
- 3131
- Stirnradspur gear
- 3232
- Kupplung, winkelausgleichend, KardanwelleClutch, angle compensating, cardan shaft
- 3333
- Gelenk, KardanwellengelenkJoint, cardan shaft joint
- 3434
- Gelenk, KardanwellengelenkJoint, cardan shaft joint
- 3535
- --
- 3636
- Stangepole
- 3737
- Kopfhead
- 3838
- Kopfhead
- 3939
- Lagerbuchsebearing bush
- 4040
- --
- 4141
- Lagerbuchsebearing bush
Claims (21)
- A tip-cat folder with at least one pair of folding rollers (06) and one folding cylinder (02), characterized in that a ratio of the peripheral speed of the folding cylinder (02) to the peripheral speed of the folding rollers (06) is variable in a continuous manner.
- A tip-cat folder according to Claim 1, characterized in that the folding cylinder (02) and the folding rollers (06) are coupled by means of a differential gearing.
- A tip-cat folder according to Claim 1, characterized in that the folding cylinder (02) is driven by a main driving motor, the said main driving motor is arranged so as to drive the tip-cat folder exclusively, and the folding rollers (06) are driven by means of at least one other electric motor.
- A tip-cat folder according to Claim 1 or 3, characterized in that the folding rollers (06) are driven mechanically in a manner independent of the folding cylinder (02).
- A tip-cat folder according to Claim 1 or 3, characterized in that the folding rollers (06) and the folding cylinder (02) are coupled mechanically.
- A tip-cat folder according to Claim 2, characterized in that at least one of the folding rollers (06) is connected by way of an angle-compensating coupling (32) to a source of torque (28, 29) which is stationary on the stand (27).
- A tip-cat folder according to Claim 6, characterized in that the angle-compensating coupling (32) is designed in the form of a cardan shaft (32).
- A tip-cat folder according to Claim 7, characterized in that the cardan shaft (32) is capable of being drawn out in a telescopic manner.
- A tip-cat folder according to Claim 3, characterized in that a control circuit is provided for setting the rotational speed of the electric motor.
- A tip-cat folder according to Claim 2, characterized in that the differential gearing (16) comprises three driving or driven members (17, 24, 26), of which one (26) is connected to the folding cylinder (02), one (17) to an auxiliary motor (18) and one (24) to the folding rollers (06) in each case.
- A tip-cat folder according to Claim 10, characterized in that the differential gearing (16) is an harmonic-drive gearing (16).
- A tip-cat folder according to Claim 11, characterized in that the drive member connected to the auxiliary motor (18) is the central shaft (17) of the harmonic-drive gearing (16).
- A tip-cat folder according to Claim 1, 2 or 3, characterized in that a lead of the folding rollers (06) of between 12 and 16% with respect to the folding cylinder (02) is capable of being set.
- A tip-cat folder according to Claim 1 or 2, characterized in that the tip-cat folder has a cylinder (02; 04) driven by a main driving motor.
- A tip-cat folder according to Claim 3 or 14, characterized in that the cylinder (04) driven by the main driving motor (11) is a cutting cylinder (04).
- A tip-cat folder according to Claim 1, 2 or 3, characterized in that the two folding rollers (06) are coupled mechanically to the drive and have an electric motor.
- A tip-cat folder according to Claim 1 or 3, characterized in that the two folding rollers (06) are capable of being driven mechanically in a manner independent of each other and have a separate electric motor in each case.
- A tip-cat folder according to Claim 1, 2 or 3, characterized in that the folding cylinder (02) has a folding blade.
- A tip-cat folder according to Claim 1, 2 or 3, characterized in that the axes of rotation of the folding cylinder (02) and the folding rollers (06) are orientated in the same direction.
- A tip-cat folder according to Claim 1, 2 or 3, characterized in that the folding cylinder (02) and a cutting cylinder (04) bound a common gap (03).
- A tip-cat folder according to Claim 14, characterized in that the main driving motor drives the tip-cat folder exclusively.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10160101 | 2001-12-07 | ||
DE10160101A DE10160101C1 (en) | 2001-12-07 | 2001-12-07 | tucker-blade folder |
PCT/DE2002/004403 WO2003053832A2 (en) | 2001-12-07 | 2002-12-02 | Flying tuck folding device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1451088A2 EP1451088A2 (en) | 2004-09-01 |
EP1451088B1 true EP1451088B1 (en) | 2005-06-15 |
Family
ID=7708339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02805252A Expired - Lifetime EP1451088B1 (en) | 2001-12-07 | 2002-12-02 | Flying tuck folding device |
Country Status (7)
Country | Link |
---|---|
US (1) | US7083562B2 (en) |
EP (1) | EP1451088B1 (en) |
CN (1) | CN1323918C (en) |
AT (1) | ATE297873T1 (en) |
AU (1) | AU2002357435A1 (en) |
DE (2) | DE10160101C1 (en) |
WO (1) | WO2003053832A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3018084B1 (en) | 2013-07-02 | 2019-12-25 | C & S Paper Co. Ltd. | Paper handkerchief folding device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US20120142511A1 (en) * | 2010-12-01 | 2012-06-07 | Goss International Americas, Inc. | Cross grain folder and method of folding including an extended lap |
CN104495494A (en) * | 2014-12-12 | 2015-04-08 | 常熟印刷厂有限公司 | Novel folding machine |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB225306A (en) * | 1923-09-04 | 1924-12-04 | Goss Printing Press Co Ltd | Improvements in folding mechanism for printing presses or the like |
US1985917A (en) * | 1929-10-23 | 1935-01-01 | Goss Printing Press Co Ltd | Folding mechanism |
DE1126412B (en) | 1959-09-03 | 1962-03-29 | Koenig & Bauer Schnellpressfab | Wheel folder for rotary printing machines |
US3608889A (en) * | 1969-04-09 | 1971-09-28 | Wood Industries Inc | Automatic nipping and folding roller control system |
DE2846191C3 (en) * | 1978-10-24 | 1981-08-13 | Koenig & Bauer AG, 8700 Würzburg | Folder for web-fed rotary printing machines |
DD203035A1 (en) * | 1981-09-21 | 1983-10-12 | Horst Werner | DRIVE FOR ROLLING AND WAVING A FOLDER |
JPH0245240Y2 (en) * | 1985-04-24 | 1990-11-30 | ||
DE3629359A1 (en) * | 1985-11-04 | 1987-05-14 | Koenig & Bauer Ag | RAEDERFALZAPPARAT |
DD257052A1 (en) | 1987-01-13 | 1988-06-01 | Polygraph Leipzig | DRIVE FOR FOLDING ROLLERS AND KNIFE WAVES OF A FOLDING WORK |
DE4028889A1 (en) * | 1990-09-12 | 1992-03-19 | Winkler Duennebier Kg Masch | METHOD AND DEVICE FOR FOLDING HYGIENE PRODUCTS |
DE4136792C2 (en) * | 1991-11-08 | 1995-07-13 | Heidelberger Druckmasch Ag | Adjustment device for cylinders with folding products in folders on rotary printing presses |
DE4215911C2 (en) * | 1992-05-14 | 1996-01-04 | Wifag Maschf | Jaw cylinder |
DE4342037C1 (en) * | 1993-12-09 | 1995-03-02 | Frankenthal Ag Albert | Method and device for transversely folding signatures |
DE4402387A1 (en) | 1994-01-27 | 1995-08-03 | Heidelberger Druckmasch Ag | Device for controlling the folding rollers for the production of a fold in a printed product |
-
2001
- 2001-12-07 DE DE10160101A patent/DE10160101C1/en not_active Expired - Fee Related
-
2002
- 2002-12-02 EP EP02805252A patent/EP1451088B1/en not_active Expired - Lifetime
- 2002-12-02 DE DE50203432T patent/DE50203432D1/en not_active Expired - Fee Related
- 2002-12-02 CN CNB028233980A patent/CN1323918C/en not_active Expired - Fee Related
- 2002-12-02 US US10/496,797 patent/US7083562B2/en not_active Expired - Fee Related
- 2002-12-02 AU AU2002357435A patent/AU2002357435A1/en not_active Abandoned
- 2002-12-02 AT AT02805252T patent/ATE297873T1/en not_active IP Right Cessation
- 2002-12-02 WO PCT/DE2002/004403 patent/WO2003053832A2/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3018084B1 (en) | 2013-07-02 | 2019-12-25 | C & S Paper Co. Ltd. | Paper handkerchief folding device |
Also Published As
Publication number | Publication date |
---|---|
WO2003053832B1 (en) | 2003-11-13 |
AU2002357435A1 (en) | 2003-07-09 |
EP1451088A2 (en) | 2004-09-01 |
US20050070416A1 (en) | 2005-03-31 |
ATE297873T1 (en) | 2005-07-15 |
CN1592709A (en) | 2005-03-09 |
CN1323918C (en) | 2007-07-04 |
WO2003053832A3 (en) | 2003-10-09 |
DE50203432D1 (en) | 2005-07-21 |
WO2003053832A2 (en) | 2003-07-03 |
US7083562B2 (en) | 2006-08-01 |
DE10160101C1 (en) | 2003-07-03 |
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