WO2003053832A2 - Räderfalzapparat - Google Patents
Räderfalzapparat Download PDFInfo
- Publication number
- WO2003053832A2 WO2003053832A2 PCT/DE2002/004403 DE0204403W WO03053832A2 WO 2003053832 A2 WO2003053832 A2 WO 2003053832A2 DE 0204403 W DE0204403 W DE 0204403W WO 03053832 A2 WO03053832 A2 WO 03053832A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- folding
- cylinder
- raderfalzapparat
- folding rollers
- gear
- Prior art date
Links
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 folder according to the preamble of claim 1, 3, 4 or 8.
- Apparatus of this type are used in the printing industry, in particular in newspaper printing, following a web-fed printing press, in order to cut a continuous printed web into individual products and to fold the products obtained in this way.
- the individual products to be folded are delivered from a folding cylinder to a pair of folding rollers in such a way that a section of the product in which the fold is to be formed meets in a gap between the counter-rotating folding rollers.
- the product is drawn into the gap by the rotation of the folding rollers and is folded in this way.
- the invention has for its object to provide a gear folder.
- wheel folder devices are preferably used for processing relatively thick products which cannot be securely held in the valve boxes of a valve folder device. Processing such products is possible with a wheel folder, but here too technical problems arise from the necessity to process products of varying, not negligible thickness. So that the product to be processed on When the gap between the folding rollers is reliably detected, drawn in and folded as sharply as possible, the gap between the folding rollers must be adjustable against one another transversely to the splitting plane, the folding rollers having to be set in such a way that the products are transferred safely into the gap of the folding rollers and no fold markings on the Product arise. This necessity that the folding rollers must be displaceable leads to difficulties in the oil-tight mounting of the folding rollers in the side plates of a frame of the folding apparatus.
- the circumferential speed of the folding rollers must be adapted to these types of production so that when the products are immersed in the gap between the folding rollers, they are neither compressed nor creased, nor are they pulled, and thus wear marks from the folding rollers.
- auxiliary motor By operating the auxiliary motor at different rotational speeds, different advance rates of the folding rollers with respect to the cylinder can be set without having to make any changes to the transmission.
- the advance can be varied without having to stop the folder - and possibly a printing machine upstream of it.
- a control circuit for setting its speed, preferably for stepless setting, is expediently assigned to the auxiliary motor.
- the geared folder further comprises a differential gear with three input or output members, one of which is connected to the cylinder, the auxiliary motor or the folding rollers.
- This differential gear creates a coupling between the cylinder and the folding rollers, which makes it possible to essentially drive the latter via the main drive motor, which also drives the cylinder, and with the auxiliary motor merely to correct the speed of the folding rollers in the order of a few percent.
- the differential gear can be simple and compact as a harmonic drive gear.
- the drive member connected to the auxiliary motor is preferably 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 to be connected directly to the differential gear as an auxiliary motor, without the need for an additional reduction gear.
- the folding rollers which can be moved relative to one another, are preferably driven by cardan shafts; With these it is possible to drive the folding rollers evenly against each other despite their mobility, without problems of old-fashionedness occurring on the bearings of the folding rollers.
- Figure 1 is a schematic section through a wheel folder according to the present invention.
- Figure 2 is a section through the differential gear of the gear folder.
- Fig. 3 is a schematic perspective view of parts of the gear of the folder.
- the folder comprises a plurality of rollers and cylinders held between two lateral frame plates, the most important of which are shown in section in FIG. 1.
- a strand of material 01 coming from a former enters the folder from above and is guided onto a folding cylinder 02.
- the folding cylinder 02 is driven in rotation at the same peripheral speed as a cylinder 04, e.g. B. cutting cylinder 04 with which it delimits a gap 03.
- the material strand 01 is cut into individual products by a knife of the cutting cylinder 04.
- grippers not shown
- a pair of folding rollers 06 are arranged horizontally displaceable relative to one another. If the center of a product conveyed further on the folding cylinder 02 after the cutting is above the gap 07 between the folding rollers 06, the product is repelled by a knife (not shown) extending out of the folding cylinder 02 and inserted into the gap 07 into which it is drawn in by the rotation of the folding rollers 06 and is thus folded in the middle.
- a paddle wheel 08 is arranged below the folding rollers 06 in such a way that folded products emerging from the gap 07 each fall in blades of the paddle wheel 08 and are laid out by the rotating paddle wheel 08 on a belt conveyor device 09.
- a main drive motor 11 drives the rotary cylinder via a gear wheel 12 and a toothed spur gear 31 (see FIG. 3) of the cutting cylinder 04.
- With the spur gear 31 of the cutting cylinder 04 also meshes a gear of the folding cylinder 02, via which the rotation of the latter is driven.
- the rotation of the paddle wheel 08 is driven via a pulley 13 and a belt 14 mounted on the axis of the cutting cylinder 04.
- the rotation of the folding rollers 06 is driven by a differential gear 16 with three input / output members, which is shown in more detail in FIGS. 2 and 3.
- the differential gear 16 shown in section in FIG. 2 is a so-called harmonic drive gear 16 or HD gear 16.
- a central shaft 17 of the HD transmission 16 is coupled directly to the output shaft of an auxiliary motor 18.
- This central shaft 17 has a section of elliptical cross section 19, also referred to as rotor 19, on which, separated by bearings 19 which are elliptically deformed in accordance with the shape of the rotor 19, for.
- ball bearing 20 a flexible, the outer contour of the ball bearing 20 correspondingly deformed ring 21 is mounted, which carries an external toothing.
- the elliptically shaped ring 21 meshes with the internal toothing of the sleeves 22; 23 each in two opposite positions on the longer axis of the ellipse, and its number of teeth is lower by a small even number than that of the sleeves 22; 23rd
- the gear 24 remote from the side plate 27 of the frame 27 meshes with a first drive gear 28 of the folding rollers 06, which is rotatably mounted on the side plate 27, and the first drive gear 28 in turn meshes with it a second drive gear 29 of the folding rollers 06.
- the number of teeth of the drive gears 28; 29 are the same, so that both rotate in opposite directions at the same speed.
- the gear 26 of the differential gear 16 which is closer to the side plate 27, meshes with the spur gear 31 of the cutting cylinder 04 already mentioned above.
- the gear 26 thus represents a first drive element of the differential gear 16, and that Gear 24 forms an output member.
- the auxiliary motor 18 is assigned a control circuit, not shown, which supplies it with electrical energy in such a way that it rotates forwards or backwards at a speed which can be set on this control circuit.
- control circuits are known and need not be described in detail here.
- the rotation of the shaft 17 driven by the auxiliary motor 18 is superimposed on the rotation driven by the spur gear 31 with a reduction ratio which corresponds to the ratio between the number of teeth of the ring 21 and the difference in the number of teeth of the ring 21 and sleeve 22 or 23.
- This reduction due to the construction of the HD gear 16 allows the auxiliary motor 18 to be coupled directly to the shaft 17 without the intermediary of a reduction gear and by varying the speed of the auxiliary motor 18 in its entire usable speed range, e.g. B. ⁇ 3,500 rpm. may include a correction of the rotational speed of the folding rollers 06 in the order of z. B. to achieve only ⁇ 2% based on their speed with the shaft 17 stationary. That is, the advance can be set in an interval of 12% to 16%. Such a correction interval is full sufficient to be able to adapt the speed of the folding rollers 06 to the processing of products of different thicknesses; very precise regulation is possible within this range.
- an auxiliary motor 18 which can be driven in two directions of rotation
- an auxiliary motor with a single direction of rotation can also be used; in this case, the translation between the cutting cylinder 04 and folding rollers 06 with the shaft 17 stationary is selected such that an advance at the lower (or upper) edge of a desired value range, that is to say e.g. B. 12% (or 16%) results, and a correction of the lead of up to + 4% (or -4%) is achieved by adjusting the speed of the auxiliary motor accordingly.
- FIG. 3 shows, the rotation of the drive gears 28; 29 to the folding rollers 06 each via angle-compensating couplings 32, for. B. cardan shafts 32 transmitted.
- These each include two joints 33; 34, e.g. B. universal joints 33; 34 and a rod 36, each of which connects a head 37 of the universal joints 33, 34 to one another.
- the other head 38 of the joint 33 sits at one end of a shaft, the other end of which carries the drive gear 28 or 29 and is held in a bearing bush 39, which is firmly connected to the side plate 27 in a manner not shown.
- the second head 38 of the universal joint 34 is rigidly connected to one of the folding rollers 06 via a shaft.
- This shaft extends through a first bearing bush 41, which is arranged between the cardan joint 34 and the folding roller 06, and a second (not shown) bearing bush at the opposite end of the folding roller 06.
- Both bearing bushes are transverse to the level of the gap 07 between the two folding rollers 06 slidable, e.g. B. by a rail guide or by mounting on a swivel arm.
- the freedom of movement can be increased if the rods 36 each have a telescopic structure, with one of the heads 37; 38 rigidly connected outer sleeve and a shaft rigidly connected to the other head 38 or 37, which is guided in the sleeve in a rotationally fixed and displaceable manner.
- both folding rollers 06 can be mechanically coupled and driven by their own electric motor that is independent of the main drive, in particular speed and / or position controlled.
- a separate speed and / or position-controlled electric motor can also be provided for each folding roller 06.
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
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/496,797 US7083562B2 (en) | 2001-12-07 | 2002-12-02 | Geared folding apparatus |
EP02805252A EP1451088B1 (de) | 2001-12-07 | 2002-12-02 | Räderfalzapparat |
AU2002357435A AU2002357435A1 (en) | 2001-12-07 | 2002-12-02 | Flying tuck folding device |
AT02805252T ATE297873T1 (de) | 2001-12-07 | 2002-12-02 | Räderfalzapparat |
DE50203432T DE50203432D1 (de) | 2001-12-07 | 2002-12-02 | Räderfalzapparat |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10160101A DE10160101C1 (de) | 2001-12-07 | 2001-12-07 | Räderfalzapparat |
DE10160101.8 | 2001-12-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2003053832A2 true WO2003053832A2 (de) | 2003-07-03 |
WO2003053832A3 WO2003053832A3 (de) | 2003-10-09 |
WO2003053832B1 WO2003053832B1 (de) | 2003-11-13 |
Family
ID=7708339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/004403 WO2003053832A2 (de) | 2001-12-07 | 2002-12-02 | Räderfalzapparat |
Country Status (7)
Country | Link |
---|---|
US (1) | US7083562B2 (de) |
EP (1) | EP1451088B1 (de) |
CN (1) | CN1323918C (de) |
AT (1) | ATE297873T1 (de) |
AU (1) | AU2002357435A1 (de) |
DE (2) | DE10160101C1 (de) |
WO (1) | WO2003053832A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005015284A1 (de) * | 2005-04-04 | 2006-10-05 | Heidelberger Druckmaschinen Ag | Kombifalzmaschine |
US20120142511A1 (en) * | 2010-12-01 | 2012-06-07 | Goss International Americas, Inc. | Cross grain folder and method of folding including an extended lap |
CN103332525B (zh) | 2013-07-02 | 2015-07-08 | 中顺洁柔纸业股份有限公司 | 一种纸手帕折叠加工设备 |
CN104495494A (zh) * | 2014-12-12 | 2015-04-08 | 常熟印刷厂有限公司 | 一种新型折页机 |
Citations (5)
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 |
GB2106478A (en) * | 1981-09-21 | 1983-04-13 | Polygraph Leipzig | Sheet folding apparatus |
DE3741990A1 (de) * | 1987-01-13 | 1988-07-21 | Polygraph Leipzig | Antrieb fuer falzwalzen und messerwellen eines falzwerkes |
DE4402387A1 (de) * | 1994-01-27 | 1995-08-03 | Heidelberger Druckmasch Ag | Vorrichtung zur Steuerung/Regelung der Falzwalzen für die Herstellung eines Falzes bei einem Druckprodukt |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1126412B (de) | 1959-09-03 | 1962-03-29 | Koenig & Bauer Schnellpressfab | Raederfalzapparat fuer Rotationsdruckmaschinen |
US3608889A (en) * | 1969-04-09 | 1971-09-28 | Wood Industries Inc | Automatic nipping and folding roller control system |
DE2846191C3 (de) * | 1978-10-24 | 1981-08-13 | Koenig & Bauer AG, 8700 Würzburg | Falzapparat für Rollenrotationsdruckmaschinen |
JPH0245240Y2 (de) * | 1985-04-24 | 1990-11-30 | ||
DE3629359A1 (de) * | 1985-11-04 | 1987-05-14 | Koenig & Bauer Ag | Raederfalzapparat |
DE4028889A1 (de) * | 1990-09-12 | 1992-03-19 | Winkler Duennebier Kg Masch | Verfahren und vorrichtung zum falten von hygieneprodukten |
DE4136792C2 (de) * | 1991-11-08 | 1995-07-13 | Heidelberger Druckmasch Ag | Verstelleinrichtung für falzproduktführende Zylinder in Falzapparaten an Rotationsdruckmaschinen |
DE4215911C2 (de) * | 1992-05-14 | 1996-01-04 | Wifag Maschf | Falzklappen-Zylinder |
DE4342037C1 (de) * | 1993-12-09 | 1995-03-02 | Frankenthal Ag Albert | Verfahren und Vorrichtung zum Querfalzen von Signaturen |
-
2001
- 2001-12-07 DE DE10160101A patent/DE10160101C1/de not_active Expired - Fee Related
-
2002
- 2002-12-02 AU AU2002357435A patent/AU2002357435A1/en not_active Abandoned
- 2002-12-02 WO PCT/DE2002/004403 patent/WO2003053832A2/de not_active Application Discontinuation
- 2002-12-02 US US10/496,797 patent/US7083562B2/en not_active Expired - Fee Related
- 2002-12-02 AT AT02805252T patent/ATE297873T1/de not_active IP Right Cessation
- 2002-12-02 CN CNB028233980A patent/CN1323918C/zh not_active Expired - Fee Related
- 2002-12-02 EP EP02805252A patent/EP1451088B1/de not_active Expired - Lifetime
- 2002-12-02 DE DE50203432T patent/DE50203432D1/de not_active Expired - Fee Related
Patent Citations (5)
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 |
GB2106478A (en) * | 1981-09-21 | 1983-04-13 | Polygraph Leipzig | Sheet folding apparatus |
DE3741990A1 (de) * | 1987-01-13 | 1988-07-21 | Polygraph Leipzig | Antrieb fuer falzwalzen und messerwellen eines falzwerkes |
DE4402387A1 (de) * | 1994-01-27 | 1995-08-03 | Heidelberger Druckmasch Ag | Vorrichtung zur Steuerung/Regelung der Falzwalzen für die Herstellung eines Falzes bei einem Druckprodukt |
Also Published As
Publication number | Publication date |
---|---|
US7083562B2 (en) | 2006-08-01 |
WO2003053832A3 (de) | 2003-10-09 |
ATE297873T1 (de) | 2005-07-15 |
CN1323918C (zh) | 2007-07-04 |
WO2003053832B1 (de) | 2003-11-13 |
AU2002357435A1 (en) | 2003-07-09 |
US20050070416A1 (en) | 2005-03-31 |
DE10160101C1 (de) | 2003-07-03 |
EP1451088B1 (de) | 2005-06-15 |
CN1592709A (zh) | 2005-03-09 |
DE50203432D1 (de) | 2005-07-21 |
EP1451088A2 (de) | 2004-09-01 |
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