EP1475333A1 - Buckling folder - Google Patents

Buckling folder Download PDF

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Publication number
EP1475333A1
EP1475333A1 EP03010424A EP03010424A EP1475333A1 EP 1475333 A1 EP1475333 A1 EP 1475333A1 EP 03010424 A EP03010424 A EP 03010424A EP 03010424 A EP03010424 A EP 03010424A EP 1475333 A1 EP1475333 A1 EP 1475333A1
Authority
EP
European Patent Office
Prior art keywords
folding
sheet
pair
rollers
pocket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03010424A
Other languages
German (de)
French (fr)
Other versions
EP1475333B1 (en
EP1475333B8 (en
Inventor
Klaus Stocklassa
Bodo Tegtmeier
Georg Dannemann
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenbau Oppenweiler Binder GmbH and Co KG filed Critical Maschinenbau Oppenweiler Binder GmbH and Co KG
Priority to DE50306184T priority Critical patent/DE50306184D1/en
Priority to EP20030010424 priority patent/EP1475333B8/en
Publication of EP1475333A1 publication Critical patent/EP1475333A1/en
Publication of EP1475333B1 publication Critical patent/EP1475333B1/en
Application granted granted Critical
Publication of EP1475333B8 publication Critical patent/EP1475333B8/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B65H45/147—Pocket-type folders folding rollers 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
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/251—Smearing
    • 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
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/2525—Collisions
    • 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
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/253—Damages to handled material to particular parts of material
    • B65H2601/2531—Edges

Definitions

  • the invention relates to a pocket folder according to the preamble of the claim 1.
  • Such a pocket folder is known for example from EP 0 732 294 A3.
  • the driven folding rollers are made by a single one Drive via toothed belt or gear wheels. If a bow through a first When the folding roller pair is inserted into the folding pocket of the folder, it hits with its leading one Edge on the sheet stop. The higher the speed at which the bow is open hits the sheet stop, the higher the risk that unwanted on the sheet edge Markings appear that affect the quality of the sheet. Furthermore, can wave formation occurs due to fluctuations in the accuracy of a fold can be. The transport speed of the first pair of folding rollers must therefore be reduced so that the formation of marks on the edge of the sheet on impact on the bow stop is prevented.
  • the invention has for its object a pocket folding unit with structurally simple means to create with high performance.
  • the transport speed of the folding roller pairs is independent of each other is adjustable, it is possible to change the transport speed of the sheet shortly before hitting it a leading edge on the sheet stop and decrease after hitting to increase the bow stop again. This can cause the formation of marks on the leading sheet edge and a wave formation prevented as well as the performance of the pocket folder increase.
  • the transport speed can be reduced can be increased briefly just before the leading sheet edge after the sheet is drawn in is in the second pair of folding rollers near the trailing sheet section, which is still transported by the first pair of folding rollers. This can cause bulging formed in the trailing section of the sheet behind the first pair of folding rollers are prevented by the unfolded section of the sheet from unfolding so that the sheet fits properly between the folding rollers of the second pair of folding rollers is introduced. This will not only reduce the production speed of the Pocket folding unit increases, but also the quality of the folded sheets.
  • the pocket folding mechanism shown in FIGS. 1 to 4 has a folding pocket 24, in which an adjustable sheet stop 26 is provided.
  • a first, vertically arranged pair of folding rollers 18, 20 is provided, through which a sheet 12 through the inlet opening 25 until the leading sheet edge opens 30 is inserted into the folding pocket 24 at the sheet stop 26.
  • the upper folding roller in Fig. 1 18 of the first pair of folding rollers is driven by a servo motor SV1.
  • the second folding roller 20 is driven by its own servo motor SV3.
  • Fig. 1 shows the entry of a sheet 12 into the folding pocket to form a first Fold.
  • the transport speed is controlled by controlling the servo motor SV1 of the first pair of folding rollers 18, 20 shortly before the leading ones hit Edge 30 reduced to the sheet stop 26. After hitting the sheet edge 30 on the Sheet stop 26 will bring the transport speed back to the original transport speed elevated.
  • the normal transport speed is 200, for example m / min.
  • the transport speed reduced to 150m / min.
  • FIG. 2 to 4 show the folding of a sheet 12 in the pocket folder 10, on which a fold has already been carried out to form a fold section 31, that the leading end 30 of the arch lies at the level of the center of the arch.
  • Position is the folded edge 28 immediately before the sheet stop 26.
  • the folded edge 28 is moved away from the sheet stop 26 so that the leading end Edge 30 of the trailing portion 36 of the sheet in the area after the first Folding roller pair 18, 20 comes closer.
  • Fig. 3 is the leading sheet edge 30 shortly before hitting the trailing section 36 of the Sheet 12.
  • the first Folding roller pair 18, 20 accelerated as much as possible to additionally 1 to 2 in the shortest possible time cm to promote bow. Then the folding rollers 18, 20 again with Normal speed rotated. Due to the acceleration after the first Folding roller pair 18, 20 formed a bulge 34 which the leading end 30 of Sheet down in the direction of the folding nip between the folding rollers 20, 22 suppressed. This ensures that the sheet edge 30 properly between the Folding rollers 20, 22 is introduced to achieve a proper folding result.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

The buckle folding mechanism has at least one fold plate (24) with an entry opening (25), and a paper stop (26). In front of the entry opening is a first pair of fold rollers (18,20) for transporting a sheet (12) to the fold plate, and a second pair (20,22) for transporting and folding the sheet after it has come up against the stop. The transporting speed of the two roller pairs is adjustable independently of each other. A driven roller (20) forms a fold roller both of the first roller pair and the second roller pair. All the rollers may be driven by a common servo motor (SV1) or separately by individual servo motors (SV1,SV2,SV3). An independent claim is included for a method for the folding of a sheet of paper whereby the transporting speed of a first roller pair is reduced shortly before the leading edge of the sheet comes up against a stop.

Description

Die Erfindung betrifft ein Taschenfalzwerk nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a pocket folder according to the preamble of the claim 1.

Ein solches Taschenfalzwerk ist beispielsweise aus der EP 0 732 294 A3 bekannt. Bei den bekannten Taschenfalzwerken werden die angetriebenen Falzwalzen von einem einzigen Antrieb über Zahnriemen oder Zahnräder angetrieben. Wenn ein Bogen durch ein erstes Falzwalzenpaar in die Falztasche des Falzwerks eingeführt wird, trifft er mit seiner voreilenden Kante auf den Bogenanschlag auf. Je höher die Geschwindigkeit ist, mit der der Bogen auf den Bogenanschlag auftrifft, desto höher ist die Gefahr, dass an der Bogenkante ungewollte Markierungen auftreten, die die Qualität des Bogens beeinträchtigen. Darüber hinaus kann eine Wellenbildung auftreten, durch die Schwankungen der Genauigkeit eines Falzes verursacht werden können. Die Transportgeschwindigkeit des ersten Falzwalzenpaares muss daher so verringert werden, dass eine Bildung von Markierungen an der Bogenkante beim Auftreffen auf den Bogenanschlag verhindert wird. Bei der Bildung von Wickelfalzen oder Fensterfalzen kann es vorkommen, dass die Bogenkante eines zuvor gefalzten Falzabschnittes auf einen nacheilenden Abschnitt des Bogens so auftrifft, dass der Falzabschnitt vor dem Durchlauf durch das zweite Falzwalzenpaar aufgeklappt wird, wodurch es zu Doppelbrüchen kommen kann. Auch in diesem Fall ist die Transportgeschwindigkeit des ersten Falzwalzenpaares so zu verringern, dass dies verhindert wird.Such a pocket folder is known for example from EP 0 732 294 A3. In the known pocket folding units, the driven folding rollers are made by a single one Drive via toothed belt or gear wheels. If a bow through a first When the folding roller pair is inserted into the folding pocket of the folder, it hits with its leading one Edge on the sheet stop. The higher the speed at which the bow is open hits the sheet stop, the higher the risk that unwanted on the sheet edge Markings appear that affect the quality of the sheet. Furthermore, can wave formation occurs due to fluctuations in the accuracy of a fold can be. The transport speed of the first pair of folding rollers must therefore be reduced so that the formation of marks on the edge of the sheet on impact on the bow stop is prevented. When winding folds or window folds are formed it can happen that the sheet edge of a previously folded fold section is open strikes a trailing portion of the sheet so that the crimped portion before passing is opened by the second pair of folding rollers, which leads to double breaks can. In this case too, the transport speed of the first pair of folding rollers is reduce so that this is prevented.

Der Erfindung liegt die Aufgabe zugrunde, mit konstruktiv einfachen Mitteln ein Taschenfalzwerk mit hoher Leistung zu schaffen.The invention has for its object a pocket folding unit with structurally simple means to create with high performance.

Diese Aufgabe wird erfindungsgemäß durch ein Taschenfalzwerk mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen des erfindungsgemäßen Taschenfalzwerkes sind Gegenstand der Patentansprüche 2 und 3.This object is achieved according to the invention by a pocket folder with the features of claim 1 solved. Advantageous embodiments of the pocket folding unit according to the invention are the subject of claims 2 and 3.

Mit dem erfindungsgemäßen Taschenfalzwerk können die Verfahren nach Anspruch 4 und 5 durchgeführt werden.With the pocket folding unit according to the invention, the methods according to claim 4 and 5 can be performed.

Da die Transportgeschwindigkeit der Falzwalzenpaare unabhängig voneinander einstellbar ist, ist es möglich, die Transportgeschwindigkeit des Bogens kurz vor dem Auftreffen einer voreilenden Kante auf dem Bogenanschlag zu verringern und nach dem Auftreffen des Bogenanschlags wieder zu erhöhen. Hierdurch kann die Bildung von Markierungen an der voreilenden Bogenkante und eine Wellenbildung verhindert sowie die Leistung des Taschenfalzwerkes erhöht werden. Because the transport speed of the folding roller pairs is independent of each other is adjustable, it is possible to change the transport speed of the sheet shortly before hitting it a leading edge on the sheet stop and decrease after hitting to increase the bow stop again. This can cause the formation of marks on the leading sheet edge and a wave formation prevented as well as the performance of the pocket folder increase.

Bei der Bildung von Wickel- oder Fensterfalzen kann die Transportgeschwindigkeit kurzfristig erhöht werden, kurz bevor die voreilende Bogenkante nach dem Einzug des Bogens in das zweite Falzwalzenpaar sich in der Nähe des nachlaufenden Bogenabschnitts befindet, der noch durch das erste Falzwalzenpaar transportiert wird. Hierdurch kann eine Ausbauchung im nacheilenden Abschnitt des Bogens hinter dem ersten Falzwalzenpaar gebildet werden, durch die ein Auseinanderklappen des bereits gefalzten Abschnittes des Bogens verhindert wird, so dass der Bogen ordnungsgemäß zwischen die Falzwalzen des zweiten Falzwalzenpaares eingeführt wird. Hierdurch wird nicht nur die Produktionsgeschwindigkeit des Taschenfalzwerkes erhöht, sondern auch die Qualität der gefalzten Bögen.When winding or window folds are formed, the transport speed can be reduced can be increased briefly just before the leading sheet edge after the sheet is drawn in is in the second pair of folding rollers near the trailing sheet section, which is still transported by the first pair of folding rollers. This can cause bulging formed in the trailing section of the sheet behind the first pair of folding rollers are prevented by the unfolded section of the sheet from unfolding so that the sheet fits properly between the folding rollers of the second pair of folding rollers is introduced. This will not only reduce the production speed of the Pocket folding unit increases, but also the quality of the folded sheets.

Ausführungsbeispiele der Erfindung werden nachstehend an Hand von Zeichnungen näher erläutert. Es zeigen

Fig. 1
schematisch ein Taschenfalzwerk, in das ein ungefalzter Bogen einläuft,
Fig. 2
schematisch das Taschenfalzwerk von Fig. 1, wobei ein Bogen eingeführt wird, bei dem eine erste Falzung ausgebildet ist,
Fig. 3
die Ansicht von Fig. 2 unmittelbar zum Zeitpunkt der Einführung des Bogens zwischen die Falzwalzen des zweiten Falzwalzenpaares,
Fig. 4
die Ansicht von Fig. 3 kurz nach dem Einzug des Bogens in das zweite Falzwalzenpaar.
Embodiments of the invention are explained below with reference to drawings. Show it
Fig. 1
schematically a pocket folding unit into which an unfolded sheet enters,
Fig. 2
schematically the pocket folder of Fig. 1, wherein a sheet is inserted, in which a first fold is formed,
Fig. 3
2 immediately at the time of the introduction of the sheet between the folding rollers of the second pair of folding rollers,
Fig. 4
the view of Fig. 3 shortly after the sheet is drawn into the second pair of folding rollers.

Das in den Fig. 1 bis 4 gezeigte Taschenfalzwerk weist eine Falztasche 24 auf, in der ein einstellbarer Bogenanschlag 26 vorgesehen ist. Vor der Einlauföffnung 25 der Falztasche 24 ist ein erstes, vertikal angeordnetes Falzwalzenpaar 18, 20 vorgesehen, durch das ein Bogen 12 durch die Einlauföffnung 25 bis zum Aufschlagen der voreilenden Bogenkante 30 an den Bogenanschlag 26 in die Falztasche 24 eingeführt wird. Die in Fig. 1 obere Falzwalze 18 des ersten Falzwalzenpaares wird von einem Servomotor SV1 angetrieben. Die zweite Falzwalze 20 wird über einen eigenen Servomotor SV3 angetrieben. Nach dem Auftreffen der voreilenden Kante 30 des Bogens 12 auf den Bogenanschlag 26 wird aufgrund eines weiteren Transports des Bogens 12 durch das erste Falzwalzenpaar 18, 20 der Bogen in den Falzwalzenspalt eines zweiten, horizontal angeordneten Falzwalzenpaares eingeführt, das von der Falzwalze 20 und einer weiteren Falzwalze 22 gebildet wird, die durch einen weiteren Servomotor SV2 angetrieben wird. Die Geschwindigkeit der Servomotoren SV1 und SV2 und SV3 ist unabhängig von einander einstellbar. The pocket folding mechanism shown in FIGS. 1 to 4 has a folding pocket 24, in which an adjustable sheet stop 26 is provided. In front of the inlet opening 25 of the folding pocket 24, a first, vertically arranged pair of folding rollers 18, 20 is provided, through which a sheet 12 through the inlet opening 25 until the leading sheet edge opens 30 is inserted into the folding pocket 24 at the sheet stop 26. The upper folding roller in Fig. 1 18 of the first pair of folding rollers is driven by a servo motor SV1. The second folding roller 20 is driven by its own servo motor SV3. After hitting the leading edge 30 of the sheet 12 on the sheet stop 26 is due to a further transport of the sheet 12 through the first pair of folding rollers 18, 20 of the sheet in the Folding roller gap of a second, horizontally arranged pair of folding rollers introduced, the is formed by the folding roller 20 and a further folding roller 22, which by another Servomotor SV2 is driven. The speed of the servomotors SV1 and SV2 and SV3 can be set independently of one another.

Fig. 1 zeigt den Einlauf eines Bogens 12 in die Falztasche zur Bildung einer ersten Falzung. Um eine Beschädigung der voreilenden Kante 30 des Bogens 12 beim Auftreffen auf den Bogenanschlag 26 zu verhindern, wird durch Steuerung des Servomotors SV1 die Transportgeschwindigkeit des ersten Falzwalzenpaares 18, 20 kurz vor Auftreffen der voreilenden Kante 30 auf den Bogenanschlag 26 verringert. Nach Auftreffen der Bogenkante 30 auf den Bogenanschlag 26 wird die Transportgeschwindigkeit wieder auf die ursprüngliche Transportgeschwindigkeit erhöht. Die normale Transportgeschwindigkeit beträgt beispielsweise 200 m/min. Wenn sich die voreilende Kante 30 ca. 4 cm vor dem Bogenanschlag 26 befindet wird die Transportgeschwindigkeit auf 150m/min verringert.Fig. 1 shows the entry of a sheet 12 into the folding pocket to form a first Fold. To prevent damage to the leading edge 30 of the sheet 12 when it strikes To prevent the sheet stop 26, the transport speed is controlled by controlling the servo motor SV1 of the first pair of folding rollers 18, 20 shortly before the leading ones hit Edge 30 reduced to the sheet stop 26. After hitting the sheet edge 30 on the Sheet stop 26 will bring the transport speed back to the original transport speed elevated. The normal transport speed is 200, for example m / min. When the leading edge 30 is about 4 cm in front of the sheet stop 26 the transport speed reduced to 150m / min.

Die Fig. 2 bis 4 zeigen die Falzung eines Bogens 12 in dem Taschenfalzwerk 10, an dem zur Bildung eines Falzabschnittes 31 bereits eine Falzung so durchgeführt wurde, dass das voreilende Ende 30 des Bogens auf Höhe der Bogenmitte liegt. In der in Fig. 2 gezeigten Stellung befindet sich die Falzkante 28 unmittelbar vor dem Bogenanschlag 26. Durch einen weiteren Antrieb des ersten Falzwalzenpaares 18, 20 wird der Bogen 12 gestaucht und entlang der Falzlinie 32 in der Bogenmitte in das zweite Falzwalzenpaar 20, 22 eingezogen. Dabei wird die Falzkante 28 von dem Bogenanschlag 26 weg bewegt, so dass die voreilende Bogenkante 30 dem nachlaufenden Abschnitt 36 des Bogens in dem Bereich nach dem ersten Falzwalzenpaar 18, 20 näher kommt. In der in Fig. 3 gezeigten Stellung befindet sich die voreilende Bogenkante 30 kurz vor dem Auftreffen auf den nachlaufenden Abschnitt 36 des Bogens 12. Sobald die Falzkante 28 auf den Bogenanschlag 26 auftrifft, wird das erste Falzwalzenpaar 18, 20 möglichst beschleunigt, um in möglichst kurzer Zeit zusätzlich 1 bis 2 cm Bogen zu fördern. Anschließend werden die Falzwalzen 18, 20 wieder mit Normalgeschwindigkeit gedreht. Durch die Beschleunigung wird nach dem ersten Falzwalzenpaar 18, 20 eine Ausbauchung 34 gebildet, die das voreilende Ende 30 des Bogens nach unten in Richtung des Falzwalzenspaltes zwischen den Falzwalzen 20, 22 drückt. Hierdurch wird gewährleistet, dass die Bogenkante 30 ordnungsgemäß zwischen die Falzwalzen 20, 22 eingeführt wird, um ein ordentliches Falzergebnis zu erreichen.2 to 4 show the folding of a sheet 12 in the pocket folder 10, on which a fold has already been carried out to form a fold section 31, that the leading end 30 of the arch lies at the level of the center of the arch. In the shown in Fig. 2 Position is the folded edge 28 immediately before the sheet stop 26. By a further drive of the first pair of folding rollers 18, 20, the sheet 12 is compressed and drawn along the fold line 32 in the middle of the sheet in the second pair of folding rollers 20, 22. The folded edge 28 is moved away from the sheet stop 26 so that the leading end Edge 30 of the trailing portion 36 of the sheet in the area after the first Folding roller pair 18, 20 comes closer. In the position shown in Fig. 3 is the leading sheet edge 30 shortly before hitting the trailing section 36 of the Sheet 12. As soon as the folded edge 28 hits the sheet stop 26, the first Folding roller pair 18, 20 accelerated as much as possible to additionally 1 to 2 in the shortest possible time cm to promote bow. Then the folding rollers 18, 20 again with Normal speed rotated. Due to the acceleration after the first Folding roller pair 18, 20 formed a bulge 34 which the leading end 30 of Sheet down in the direction of the folding nip between the folding rollers 20, 22 suppressed. This ensures that the sheet edge 30 properly between the Folding rollers 20, 22 is introduced to achieve a proper folding result.

Claims (5)

Taschenfalzwerk mit wenigstens einer Falztasche (24) mit einer Einlauföffnung (25) und einem Bogenanschlag (26), wobei vor der Einlauföffnung (25) ein erstes Falzwalzenpaar (18, 20) für einen Transport eines Bogens (12) in die Falztasche (24) und ein zweites Falzwalzenpaar (20, 22) für einen Transport und eine Falzung des Bogens (12) nach Auftreffen des Bogens (12) auf den Bogenanschlag (26) angeordnet sind, dadurch gekennzeichnet, dass die Transportgeschwindigkeit der Falzwalzenpaare (18, 20; 20, 22) unabhängig voneinander einstellbar ist.Pocket folding unit with at least one folding pocket (24) with an inlet opening (25) and a sheet stop (26), a first pair of folding rollers (18, 20) in front of the inlet opening (25) for transporting a sheet (12) into the folding pocket (24) and a second pair of folding rollers (20, 22) for transporting and folding the sheet (12) after the sheet (12) has hit the sheet stop (26), characterized in that the transport speed of the folding roller pairs (18, 20; 20 , 22) can be set independently of one another. Taschenfalzwerk nach Anspruch 1, dadurch gekennzeichnet, dass eine angetriebene Falzwalze (20) eine Falzwalze sowohl des ersten Falzwalzenpaares (18, 20) als auch des zweiten Falzwalzenpaares (20, 22) bildet, wobei alle Falzwalzen von einem gemeinsamen Servomotor (SV1), getrennt von einem jeweiligen Servomotor (SV1, SV2, SV3) oder die Falzwalzen des ersten Falzwalzenpaares (18, 20) von einem gemeinsamen Servomotor (SV1) angetrieben werden und die andere Falzwalze des zweiten Falzwalzenpaare (20, 22) von einem getrennten Servomotor (SV2) angetrieben wird.Pocket folding unit according to claim 1, characterized in that a driven folding roller (20) forms a folding roller of both the first pair of folding rollers (18, 20) and the second pair of folding rollers (20, 22), all the folding rollers being separated by a common servo motor (SV1) are driven by a respective servomotor (SV1, SV2, SV3) or the folding rollers of the first pair of folding rollers (18, 20) are driven by a common servomotor (SV1) and the other folding roller of the second pair of folding rollers (20, 22) is driven by a separate servomotor (SV2) is driven. Taschenfalzwerk nach Anspruch 2, dadurch gekennzeichnet, dass die Antriebe von Servomotoren gebildet werden, die von einer Steuereinrichtung gesteuert werden.Pocket folding unit according to claim 2, characterized in that the drives are formed by servomotors which are controlled by a control device. Verfahren zur Falzung eines Bogens durch ein Taschenfalzwerk nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Transportgeschwindigkeit des ersten Falzwalzenpaares (18, 20) kurz vom Auftreffen der voreilenden Bogenkante (30) auf den Bogenanschlag (26) verringert wird.Method for folding a sheet by means of a pocket folding unit according to one of claims 1 to 3, characterized in that the transport speed of the first pair of folding rollers (18, 20) is reduced briefly from the impact of the leading sheet edge (30) on the sheet stop (26). Verfahren zur Falzung eines wenigstens um eine Falzlinie zur Bildung einer Falzkante (28) gefalzten Bogens (12), mit einem Taschenfalzwerk (10) nach einem der Ansprüche 2 oder 3, bei dem der gefalzte Bogen (12) durch das erste Falzwalzenpaar (18, 20) zunächst soweit eingeführt wird, dass die Falzkante (28) an dem Bogenanschlag (26) anschlägt, wobei das voreilende Bogenende (30) dem ersten Falzwalzenpaar (18, 20) zugewandt ist, dann entlang einer zweiten Falzlinie (32) in das zweite Falzwalzenpaar (20, 22) eingeführt wird, wobei gleichzeitig ein nacheilender Abschnitt (36) des Bogens (12) durch das erste Falzwalzenpaar (18, 20) transportiert wird, dadurch gekennzeichnet, dass vor Auftreffen der voreilenden Bogenkante (30) auf den nacheilenden Abschnitt (36) des Bogens (12) das erste Falzwalzenpaar (18, 20) beschleunigt wird.Method for folding a sheet (12) folded at least around a folding line to form a folded edge (28), with a pocket folding unit (10) according to one of Claims 2 or 3, in which the folded sheet (12) is passed through the first pair of folding rollers (18, 20) is first introduced so far that the fold edge (28) abuts the sheet stop (26), the leading sheet end (30) facing the first pair of fold rollers (18, 20), then along a second fold line (32) into the second Folding roller pair (20, 22) is inserted, a trailing portion (36) of the sheet (12) being transported through the first pair of folding rollers (18, 20) at the same time, characterized in that before the leading sheet edge (30) hits the trailing portion (36) of the sheet (12) the first pair of folding rollers (18, 20) is accelerated.
EP20030010424 2003-05-08 2003-05-08 Buckling folder Expired - Fee Related EP1475333B8 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE50306184T DE50306184D1 (en) 2003-05-08 2003-05-08 Bucklefolder
EP20030010424 EP1475333B8 (en) 2003-05-08 2003-05-08 Buckling folder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20030010424 EP1475333B8 (en) 2003-05-08 2003-05-08 Buckling folder

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Publication Number Publication Date
EP1475333A1 true EP1475333A1 (en) 2004-11-10
EP1475333B1 EP1475333B1 (en) 2007-01-03
EP1475333B8 EP1475333B8 (en) 2007-04-25

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DE (1) DE50306184D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1854752A1 (en) * 2006-05-10 2007-11-14 Horizon International Inc. Sheet Folding Apparatus
EP2660177A1 (en) * 2012-04-30 2013-11-06 Heidelberger Druckmaschinen AG Method for folding and buckle plate folding machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0844205A1 (en) * 1996-11-26 1998-05-27 Grapha-Holding Ag Folding apparatus for paper sheets

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0844205A1 (en) * 1996-11-26 1998-05-27 Grapha-Holding Ag Folding apparatus for paper sheets

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1854752A1 (en) * 2006-05-10 2007-11-14 Horizon International Inc. Sheet Folding Apparatus
EP2660177A1 (en) * 2012-04-30 2013-11-06 Heidelberger Druckmaschinen AG Method for folding and buckle plate folding machine
JP2013230937A (en) * 2012-04-30 2013-11-14 Heiderberger Druckmaschinen Ag Method for folding sheet with buckle folding machine, and buckle folding machine

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EP1475333B1 (en) 2007-01-03
DE50306184D1 (en) 2007-02-15
EP1475333B8 (en) 2007-04-25

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