EP1588973A1 - Falzwerk mit Falzwalzenverstellung - Google Patents
Falzwerk mit Falzwalzenverstellung Download PDFInfo
- Publication number
- EP1588973A1 EP1588973A1 EP05005746A EP05005746A EP1588973A1 EP 1588973 A1 EP1588973 A1 EP 1588973A1 EP 05005746 A EP05005746 A EP 05005746A EP 05005746 A EP05005746 A EP 05005746A EP 1588973 A1 EP1588973 A1 EP 1588973A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- folding
- pressure
- sheet
- roller
- folding roller
- 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
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/331—Skewing, correcting skew, i.e. changing slightly orientation of material
-
- 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
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/20—Calculating means; Controlling methods
- B65H2557/23—Recording or storing data
Definitions
- the invention relates to a folding unit with at least one folding roller pair, the one having adjustable and a stationary folding roller, wherein the nip between the folding rollers depending on sheet parameters by a process computer controlled drives can be adjusted.
- a pocket folder which has several in the sheet travel direction successively arranged Falzwalzencrue with at least one having adjustable folding roller.
- the adjustable folding roller is at the free end an arm of a two-armed roller lever rotatably mounted, which is a machine-fixed Axis is pivotable. On the other arm of the roller lever engages a return spring, through which the adjustable folding roller in the direction of the other Folding roller is biased.
- the second arm of the roller lever is beyond to adjust the Falzspaltenweite between the folding rollers kinematically with a Drive connected.
- the roller lever is associated with a position measuring system, which measures the deflection of the roller lever.
- the drives and the distance measuring systems are connected to a process computer that drives based controls on the measured values detected by the position measuring system.
- To automatic Adjustment of the nips are initially the drives of the process computer controlled so that the folding rollers of each Falzwalzencrue contact each other come so that the distance of the nips is "0".
- the roller levers are biased by the return springs in the direction of the other folding roller.
- For automatically adjusting the folding gap width a bow is inserted one after the other arranged Falzwalzencrue guided according to the desired folding scheme.
- the individual adjustable folding rollers are the floor thickness deflected accordingly. This deflection corresponds to the width of the nips, which is optimal for processing subsequent sheet.
- the deflection will be respectively measured by the measuring system and a corresponding Measured value passed on to the process computer.
- the process computer then controls the drives so that the previously during the first sheet pass through the measuring system measured deflection is set.
- the set value forms one Setpoint for the nip adjustment.
- the transport force of the folding rollers is a friction force and results from the product the force exerted by the folding rollers on the sheet normal force and the coefficient of friction between the folding rollers and the bow.
- the normal force is due to the deformation the return springs according to the ratio of arch thickness and set Nip determined, with only a normal force builds up when the Nip is smaller than the sheet thickness.
- the invention has for its object to provide a folding unit, in which the The nip is set and corrected automatically in a simple and precise way can be.
- the folding unit according to the invention can by the pressure measuring devices the necessary for optimal Bogenmit Spotify normal forces are dimensioned. Especially for sheets that have different coefficients of friction across their width, This can be ensured that the bow is not inclined by the Nip be pulled.
- the pressure measuring devices of the folding unit according to the invention can be used in combination are used with the folding mechanism known from EP 1 321 411 A1, in which case it is advantageous to connect the pressure measuring devices between the To arrange return springs and the other arm of the roller lever.
- the folding unit according to the invention has a Position detecting device on which the actual position of an arc during the sheet pass measures.
- the processor device has suitable software, with whose help the actual position is compared with a predetermined target position. at a deviation of the actual position from the desired position controls the processor device the drives so that the target position is reached.
- the of the pressure measuring devices measured pressure values, which in a proper sheet pass, at in which the actual position of the arc corresponds to the desired position, be measured in the processor device stored. This makes it possible, the pressure level at the folding rollers when folding the same or similar bow from the outset optimally adjust.
- a position detection device for example, in an arch direction after the folding rollers over the sheet plane arranged light sensor, e.g. a light curtain, be used, which is above the range of a in sheet travel direction extending arc edge is arranged and depending on the cover through the sheet edge outputs a voltage to the processor device.
- a light sensor e.g. a light curtain
- the Using an image processing system with a camera is conceivable.
- the setting device shown in Figures 1 and 2 for adjusting the width of a nip corresponds in its overall construction substantially to the adjustment devices, which are provided at the folding unit, which is known from EP 1 321 411 A1 is, and by which the nip is preset by first a Test sheet is transported through the rollers, the deflection of the folding rollers thereby is measured and then the nip according to the measured values by the adjusted by the processor device drives is set .
- a folding roller pair 15 has an upper adjustable folding roller 14 and a lower stationary folding roller 16.
- the stationary folding roller 16 rotates about an axis 18, the at their end portions each in a frame part 10 and 12 immovably is stored.
- the adjustable folding roller 14 rotates about an axis 20, with its two End portions each through a through hole 22 in the frame parts 10, 12 passes whose diameter is greater than the outer diameter of the Axis 20, so that the folding roller 14 can be adjusted upwards and downwards.
- the outer ends of the axle 20 are each in an arm 23 of a two-armed Roller lever 24a, 24b stored.
- the roller lever 24a, 24b is about a pivot axis 26 pivotable.
- At the outer end of the other arm 25 engages from above a piston rod 28 of an actuator 26a and 26b, of a processor device 36 is controlled.
- a pressure sensor 30 a and 30 b On the opposite side of the piston 28 Side is applied to the other arm 25, a pressure sensor 30 a and 30 b, which by a Return spring 32a and 32b is pressed against the other arm 25.
- the return springs 32a, 32b are based on the pressure sensors 30a, 30b opposite Side of abutments 34, which are fixed to the frame parts 10 and 12 respectively.
- Light sensor 40 is provided, which is formed by a light curtain and dependent from the cover by an expiring arc a voltage to the processor device 36 delivers.
- a certain predetermined voltage corresponds to the desired position the left edge of an expiring bow. If this tension lasted As the arc of a bow changes, it means that the arch is slanted through the folding rollers 14, 16 is pulled. Is the voltage at the light present constant, but does not correspond to the specified nominal voltage, so deviates the actual position of the sheet transverse to the sheet passing direction of the target position.
- the folding roller 14 is adjustable and the folding roller 16 stationary.
- both Falzfalzen are adjustable.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
Description
- Fig. 1
- schematisch eine Einstelleinrichtung zur Einstellung eines optimalen Walzenspaltes zwischen zwei Falzwalzen eines Falzwerkes;
- Fig. 2
- die Ansicht II - II von Figur 1.
Claims (4)
- Falzwerk mit wenigstens einem Falzwalzenpaar, das eine verstellbare Falzwalze (14) und eine stationäre Falzwalze (16) oder zwei verstellbare Falzwalzen aufweist, wobei einer verstellbaren Falzwalze (14) wenigstens zwei im Abstand zueinander angeordnete Druckmesseinrichtungen (30a, 30b) zugeordnet sind, die bei einem Durchlauf eines Bogens Druckwerte messen, die den Drücken entsprechen, die an zwei quer zur Bogenlaufrichtung (B) beabstandeten Messstellen von der verstellbaren Falzwalze (14) auf den Bogen ausgeübt werden, und die gemessenen Druckwerte an einen Prozessrechner (36) weitergeben, wobei die verstellbare Falzwalze (14) an zwei quer zur Bogenlaufrichtung beabstandeten Verbindungsstellen mit jeweils einem Antrieb (26a, 26b) kinematisch verbunden sind und die Antriebe (26a, 26b) von dem Prozessrechner (36) auf der Basis der von den Druckmesseinrichtungen (30a, 30b) beim Bogendurchlauf gemessenen Druckwerte zur Erreichung einer optimalen Walzenspaltweite zwischen den Falzwalzen (14, 16) steuerbar sind.
- Falzwerk nach Anspruch 1, dadurch gekennzeichnet, dass die verstellbare Falzwalze (14) an den Verbindungsstellen jeweils an einem Arm (23) eines um eine Schwenkachse (26) verschwenkbaren Walzenhebels (24) gelagert sind, an dessen anderem Arm (25) der entsprechende Antrieb (26a, 26b) angreift, wobei die Druckmesseinrichtungen (30a, 30b) beim Bogendurchlauf den von dem entsprechenden anderen Arm (25) ausgeübten Druck messen.
- Falzwerk nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Druckmesseinrichtungen (30a, 30b) jeweils zwischen dem anderen Arm (25) und einem Ende einer Rückstellfeder (32) angeordnet sind, deren anderes Ende sich an einem Widerlager (34) abstützt.
- Falzwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dasseine Lageerfassungseinrichtung (40) zur Erfassung der Ist-Lage eines Bogens während des Bogendurchlaufs vorgesehen ist,die Prozessoreinrichtung (36) so ausgestattet ist, dass sie die Ist-Lage mit einer vorherbestimmten Soll-Lage vergleicht und bei einer Abweichung der Ist-Lage von der Soll-Lage die Antriebe (26a, 26b) so steuern kann, dass die Soll-Lage erreicht wird, wobei die Prozessoreinrichtung (36) die von den Druckmesseinrichtungen (30a, 30b) gemessenen Druckwerte bei Erreichung der Soll-Lage speichert.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202004006387U | 2004-04-22 | ||
| DE202004006387U DE202004006387U1 (de) | 2004-04-22 | 2004-04-22 | Falzwerk mit Falzwalzenverstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1588973A1 true EP1588973A1 (de) | 2005-10-26 |
| EP1588973B1 EP1588973B1 (de) | 2007-05-23 |
Family
ID=32603524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05005746A Expired - Lifetime EP1588973B1 (de) | 2004-04-22 | 2005-03-16 | Falzwerk mit Falzwalzenverstellung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20050239624A1 (de) |
| EP (1) | EP1588973B1 (de) |
| DE (2) | DE202004006387U1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4307460B2 (ja) * | 2006-03-24 | 2009-08-05 | ホリゾン・インターナショナル株式会社 | 紙折り機用ローラ装置 |
| JP5086188B2 (ja) | 2007-09-04 | 2012-11-28 | 株式会社リコー | 用紙折り装置及び画像形成装置 |
| DE102008050948B4 (de) * | 2008-10-10 | 2017-03-30 | Manroland Web Systems Gmbh | Vorrichtung zur Ver- bzw. Bearbeitung von mit Abstand aufeinander folgenden Flachprodukten |
| US20140243179A1 (en) * | 2013-02-28 | 2014-08-28 | Goss International Americas, Inc. | Second fold roller with variable gap control |
| JP6708810B2 (ja) * | 2014-05-20 | 2020-06-10 | 株式会社リコー | シート処理装置、画像形成システム |
| US12365503B2 (en) * | 2023-09-28 | 2025-07-22 | Cvc Technologies Inc. | Cotton stuffing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0218243A (ja) * | 1988-07-06 | 1990-01-22 | Canon Inc | シート搬送装置 |
| EP0716999A1 (de) * | 1994-12-13 | 1996-06-19 | AM International, Inc | Vorrichtung und Verfahren zum Zuführen von gesammeltem blattformigem Material |
| EP1004531A2 (de) * | 1998-11-20 | 2000-05-31 | Mathias Bäuerle GmbH | Stauchfalzmaschine mit einstellbaren Falzspaltweiten |
| EP1321411A1 (de) * | 2001-12-11 | 2003-06-25 | MASCHINENBAU OPPENWEILER BINDER GmbH & Co. KG | Verfahren zur Einstellung der Falzspaltenweite mehrerer Falzwalzenpaare sowie Falzmaschine, bei der das Verfahren durchgeführt werden kann |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032133A (en) * | 1975-09-11 | 1977-06-28 | Steffens Charles J | Roller positioning method and apparatus for buckle-type paper folding machine |
| US4225128A (en) * | 1976-02-18 | 1980-09-30 | General Binding Corporation | Folding machine |
| US4125254A (en) * | 1976-08-10 | 1978-11-14 | Bell & Howell Company | Automated radial roll folder |
| US4099710A (en) * | 1976-08-10 | 1978-07-11 | Graphics Equipment International Corporation | Radial roll folder |
| EP0511488A1 (de) * | 1991-03-26 | 1992-11-04 | Mathias Bäuerle GmbH | Papierfalzmaschine mit einstellbaren Falzwalzen |
| FR2729939B1 (fr) * | 1995-01-31 | 1997-04-18 | Neopost Ind | Dispositif d'assistance au reglage de dimensions de pliage dans une machine plieuse insereuse |
| US5980439A (en) * | 1996-01-19 | 1999-11-09 | Output Technology Solutions Of California, Inc. | Folding apparatus |
| EP0943459B1 (de) * | 1998-03-19 | 2003-09-24 | Pitney Bowes Limited | Verfahren zum Drehen eines gefalteten Dokumentstapels |
| US6024682A (en) * | 1998-11-23 | 2000-02-15 | Xerox Corporation | Automatically continuously variable fold position sheet folding system with automatic length and skew correction |
-
2004
- 2004-04-22 DE DE202004006387U patent/DE202004006387U1/de not_active Expired - Lifetime
-
2005
- 2005-03-16 EP EP05005746A patent/EP1588973B1/de not_active Expired - Lifetime
- 2005-03-16 DE DE502005000742T patent/DE502005000742D1/de not_active Expired - Lifetime
- 2005-04-20 US US11/109,738 patent/US20050239624A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0218243A (ja) * | 1988-07-06 | 1990-01-22 | Canon Inc | シート搬送装置 |
| EP0716999A1 (de) * | 1994-12-13 | 1996-06-19 | AM International, Inc | Vorrichtung und Verfahren zum Zuführen von gesammeltem blattformigem Material |
| EP1004531A2 (de) * | 1998-11-20 | 2000-05-31 | Mathias Bäuerle GmbH | Stauchfalzmaschine mit einstellbaren Falzspaltweiten |
| EP1321411A1 (de) * | 2001-12-11 | 2003-06-25 | MASCHINENBAU OPPENWEILER BINDER GmbH & Co. KG | Verfahren zur Einstellung der Falzspaltenweite mehrerer Falzwalzenpaare sowie Falzmaschine, bei der das Verfahren durchgeführt werden kann |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 014, no. 157 (M - 0955) 27 March 1990 (1990-03-27) * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050239624A1 (en) | 2005-10-27 |
| DE202004006387U1 (de) | 2004-06-24 |
| EP1588973B1 (de) | 2007-05-23 |
| DE502005000742D1 (de) | 2007-07-05 |
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