EP1475333A1 - Taschenfalzwerk - Google Patents
Taschenfalzwerk Download PDFInfo
- 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
- 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
Links
Images
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
Description
- 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.
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.
- 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.
- Taschenfalzwerk nach Anspruch 2, dadurch gekennzeichnet, dass die Antriebe von Servomotoren gebildet werden, die von einer Steuereinrichtung gesteuert werden.
- 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.
- 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.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20030010424 EP1475333B8 (de) | 2003-05-08 | 2003-05-08 | Taschenfalzwerk |
DE50306184T DE50306184D1 (de) | 2003-05-08 | 2003-05-08 | Taschenfalzwerk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20030010424 EP1475333B8 (de) | 2003-05-08 | 2003-05-08 | Taschenfalzwerk |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1475333A1 true EP1475333A1 (de) | 2004-11-10 |
EP1475333B1 EP1475333B1 (de) | 2007-01-03 |
EP1475333B8 EP1475333B8 (de) | 2007-04-25 |
Family
ID=32981845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030010424 Expired - Fee Related EP1475333B8 (de) | 2003-05-08 | 2003-05-08 | Taschenfalzwerk |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1475333B8 (de) |
DE (1) | DE50306184D1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1854752A1 (de) * | 2006-05-10 | 2007-11-14 | Horizon International Inc. | Blattfaltgerät |
EP2660177A1 (de) * | 2012-04-30 | 2013-11-06 | Heidelberger Druckmaschinen AG | Verfahren zum Falzen und Taschenfalzmaschine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0844205A1 (de) * | 1996-11-26 | 1998-05-27 | Grapha-Holding Ag | Vorrichtung zum Falzen von Papierbogen |
-
2003
- 2003-05-08 EP EP20030010424 patent/EP1475333B8/de not_active Expired - Fee Related
- 2003-05-08 DE DE50306184T patent/DE50306184D1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0844205A1 (de) * | 1996-11-26 | 1998-05-27 | Grapha-Holding Ag | Vorrichtung zum Falzen von Papierbogen |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1854752A1 (de) * | 2006-05-10 | 2007-11-14 | Horizon International Inc. | Blattfaltgerät |
EP2660177A1 (de) * | 2012-04-30 | 2013-11-06 | Heidelberger Druckmaschinen AG | Verfahren zum Falzen und Taschenfalzmaschine |
JP2013230937A (ja) * | 2012-04-30 | 2013-11-14 | Heiderberger Druckmaschinen Ag | バックル折り機でシートを折る方法及びバックル折り機 |
Also Published As
Publication number | Publication date |
---|---|
EP1475333B1 (de) | 2007-01-03 |
EP1475333B8 (de) | 2007-04-25 |
DE50306184D1 (de) | 2007-02-15 |
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