EP0883566A1 - Schwertfalzwerk - Google Patents
SchwertfalzwerkInfo
- Publication number
- EP0883566A1 EP0883566A1 EP97903356A EP97903356A EP0883566A1 EP 0883566 A1 EP0883566 A1 EP 0883566A1 EP 97903356 A EP97903356 A EP 97903356A EP 97903356 A EP97903356 A EP 97903356A EP 0883566 A1 EP0883566 A1 EP 0883566A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- folding
- sword
- sheet material
- rollers
- pair
- 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
- 230000032258 transport Effects 0.000 description 19
- 230000007246 mechanism Effects 0.000 description 14
- 230000003993 interaction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B65H45/18—Oscillating or reciprocating blade folders
Definitions
- the present invention relates generally to paper processing devices and in particular to a sword folding unit for folding a sheet material, which can be printed paper, for example.
- Sword folders are known from the art. With them, a sheet feed belt is arranged horizontally, for example. In addition to the sheet feed belt, a pair of rollers is attached such that the axes of rotation of both rollers are located in a plane that is parallel to the surface of the sheet feed belt. The distance of the plane in which the axes of rotation of the roller pair are located is selected such that a sheet material that is transported by the sheet feed belt is just pushed over the roller pair by the sheet feed belt. Usually there is a folding sword in the middle above the pair of rollers, which is attached to a lever and can be moved cyclically into a folding position by means of the lever and a cam disc arrangement.
- a folding edge which is formed at the lower end of the folding blade is oriented in such a way that between the plane formed by the axes of rotation of the pair of rollers and the folding edge of the folding blade small distance be ⁇ .
- the fold edge is at substantially the same distance from both axes of rotation.
- the sheet feed belt transports the sheet material into the folding area.
- the horizontal movement of the sheet material is limited by the sheet material stop, the position of the stop affecting the post sition of the fold determined on the sheet material.
- the folding blade is moved towards the sheet material substantially perpendicular to the sheet material.
- the folding edge of the folding blade comes into contact with the sheet material and presses the contact area of the sheet material and the folding edge, which is essentially linear, between the pair of rollers.
- areas of the sheet material which are separated by the contact area are raised with respect to the contact area.
- the contact area of the sheet material and the fold edge now comes close to the plane which is defined by the axes of rotation of the two rollers of the pair of rollers.
- the interaction of the two rollers causes the two rollers to convey the same as soon as they engage the sheet material at the contact area in the direction through the direction of movement of the folding blade into the folding position is predetermined. Due to the engagement of the pair of rollers and the sheet material, the sheet material is folded against the transport roller at the point of the contact area due to the contact pressure of the contact roller.
- the folding action which is due to the interaction of the transport roller and the pressure roller, takes place essentially only at the point in time at which the contact area of the sheet material and the folding blade is exactly in the plane which is caused by the axes of rotation is formed. Due to the elasticity of the sheet material, the paper fold is hardly improved if the contact area of the sheet material and the folding blade are below the plane defined by the axes of rotation of the pair of rollers and the areas of the sheet material adjacent to the contact area run through the pair of rollers .
- the sheet material For further processing through the paper processing line, it can be important which side of the sheet material, for example printed on one side, lies on a sheet material conveyor belt and which side is directed away from it. If the folded sheet material is inserted into envelopes or the like, the sheet material must first be inserted into the envelope with the address facing downward, whereupon after the envelope has been closed, the envelope must be turned, for example for subsequent stamping. However, there are also applications in which the sheet material has to be in the reverse orientation after being folded. In known sword folding units, the position of the folded sheet material in the paper processing line behind the sword folding unit is determined by the deflecting device and the general conveying direction of the paper processing line, unless a further device is provided for the necessary turning of the sheet material however, would increase the effort and cost.
- DE-Al-2 146 013 discloses a device for longitudinal folding of sheets of paper.
- a sheet of paper is fed in a first direction by means of a paper feed device to a rotating folding knife, the main surfaces of which are also parallel to the first direction and perpendicular to the plane which defines the sheet material being fed.
- a sheet pre-folded by the interaction of the folding knife and an annular groove in a pre-folding cylinder is pushed between two ball rollers, the axis of rotation of which is arranged in a second direction, which is perpendicular to the first.
- These ball rollers convey the folded sheet in the first direction to a pair of belts that improve the folding of the paper sheet.
- the object of the present invention is a
- the invention is based on the finding that in order to achieve a fold it is only necessary that the sheet material must be compressed as long as possible in relatively small areas directly adjacent to the fold, which, in contrast to the prior art, is not necessary is that the entire areas located on both sides of the fold are engaged, but the fold itself is only pressed very briefly.
- the present invention makes it possible that the processing plane of the sheet material does not have to be changed, since the direction of movement of the paper given by the sword folding mechanism according to the invention does not coincide with the direction of movement of the folding sword, but is essentially perpendicular to it. Accordingly, no deflecting devices and the like are required to return the sheet behind the sword folding unit back to the processing level in which it was fed to the sword folding unit.
- a right-angled deflection of the sheet material flow which is often advantageous for a paper processing line, takes place solely through the sword folding device.
- FIG. 1 shows a side sectional view of the sword folding mechanism according to the present invention, the folding sword being outside the folding position.
- FIG. 2 shows a side sectional view of the sword folding mechanism according to the present invention, the folding sword being in a folding position.
- Fig. 3 is a front view along the line A - A 'of Fig. 1 of the sword folding unit according to the invention.
- a feed device 12 has a drive roller 14, an idler roller 16, a conveyor belt 18, which is arranged between the drive roller 14 and the idler roller 16, and pressure rollers 20a, 20b, 20c.
- a lever arrangement 22 is fastened to the feed device 12 so as to be rotatable about a lever tilt axis.
- the lever arrangement 22 is delimited on one side, which lies opposite the pressure rollers 20 with respect to the lever tilt axis 24, by runners 26a, 26b, each of which engages with cams 28a, 28b.
- lever arms 30a, 30b are formed, which are firmly connected to one another by means of a folding sword holder 32.
- a folding sword 34 is connected to the folding sword holder 32.
- a folding edge 36 is formed on the side of the folding blade 34 opposite the folding blade holder 32.
- the folding blade 34 has on the side of the folding edge Te 36 recesses 38a, 38b, 38c, 38d, 38e, which are evenly spaced in the longitudinal direction of the folding sword 34, which is also referred to as the sword direction.
- a folding area 40 which is defined by a recess in the support 42 for a sheet material 44 to be folded.
- the sheet material 44 can be unfolded or, for example, already have a first fold 46.
- the position of a second fold 48 (FIG. 2) on the sheet material 44, which is produced by the sword folding mechanism 10 of the present invention, is determined by the distance between a stop 50 and a contact line 52 of the fold edge 36 and the sheet material 44, the stop 50 in the described embodiment being mounted horizontally displaceably on the support 42.
- transport rollers 54a-54g and a plurality of pressure rollers 56a-56g are each rotatably mounted in a roller holder 58.
- Transport roller drives 60a-60g are arranged for rotating the transport rollers 54a-54g about a respective transport roller rotation axis 62a-62g.
- the pressure rollers 56a-56g are each rotatable relative to the transport rollers 54a-54g about respective pressure-roller rotation axes 64a-64g.
- the transport roller rotation axes 62a-62g and the pressure roller rotation axes 64a-64g are all parallel to one another and perpendicular to both the roller holder 58 and the support 42.
- Opposing transport rollers 54a-54g and pressure rollers 56a-56g each form a pair of conveyor rollers, each pressure roller 56a-56g being pressed against the transport roller 54a-54g assigned to it by a pressure device 66, which in the present embodiment has a spring respective conveyor roller pairs is pressed.
- Each pressure roller of each pair of conveyor rollers is thus perpendicular to their respective because of the axis of rotation.
- both the transport rollers 54a-54g and the pressure rollers 56a-56g each have approximately the shape of a truncated cone.
- the rollers are composed of a cylindrical base which tapers conically towards the folding sword. This conical tapering continues at the edges of the recess in the support 42. This leads to a V-shaped profile of the fold area 40.
- this V-shaped profile of the fold area 40 is formed by the interaction of a pair of conveyor rollers, the V-shaped profile being continued through the recess of the support 42.
- the cutouts 38a-38e which are provided in the folding sword 34, are each centered in the sword direction with respect to the transport roller axes of rotation 62a-62g.
- cylindrical pressure rollers 68a, 68b, 68c, 68d (68c, 68d not shown) are arranged in pairs.
- the mutual alignment of the paired cylindrical press rollers corresponds to that of the conveyor roller pairs.
- the cylindrical press rollers 68a, 68b are each driven by a drive device 70a, 70b for the cylindrical press rollers about a respective axis of rotation of the cylindrical press rollers 72a, 72b.
- the cylindrical press rolls 68c, 68d, not shown, are each prestressed toward the cylindrical press rolls 68c, 68d.
- the folding process takes place.
- FIG. 1 shows the state of a preferred exemplary embodiment of the sword folding mechanism 10 according to the invention immediately before the folding process begins.
- the lever arrangement 22 and the folding sword 34 connected to it via the folding sword holder 32 are in their maximum deflection with respect to the support 42. This maximum deflection is given by the size of a cam which is provided on a certain circumferential area of the cam disks 28a, 28b.
- a joint rotation of the cam disks 28a, 28b likewise causes the rotors 26a, 26b to rotate in the opposite direction of rotation, which leads to the fact that the lever arms 30a, 30b, which are fixedly connected to one another and are rotatably mounted about the lever tilt axis 24, lie in the folds lower rich 40.
- the folding edge 36 of the folding blade 34 comes into contact with the sheet material 44 along the contact line 52.
- the folding edge presses the sheet material ever deeper into the folding area, as a result of which the areas of the sheet material which are outside of the fold area are located in a V-shape, as can be seen in FIG. 2.
- the sheet is pressed by the folding sword 34 between the respective pairs of conveyor rollers 54a, 56a-54g, 56g.
- the cutouts 38a-38e prevent the folding blade 34 from being engaged by the conveyor roller pairs in this position, which is referred to as the folding position.
- the areas of the folding edge 36 present between the cutouts 38a-38e cause the paper to be pressed between the pairs of conveyor rollers against the biasing force exerted by the respective pressing devices 66b-66f.
- the sheet material 44 to be folded is now firmly engaged by the individual pairs of conveyor rollers due to the pretensioning force exerted by the individual pressing devices. Therefore, the lever assembly 22 can be raised again without the sheet material except handle is brought with the pair of conveyor rollers.
- the folding sword 34 thus leaves the folding area 40 again, after which a new folding cycle can begin.
- the V-shaped sheet material engaged by the pairs of conveyor rollers can be conveyed laterally out of the fold region in the direction of the cylindrical pressure roller 68a or in the direction of the cylindrical pressure roller 68b.
- the second fold 48 which at the time when the folding sword 34 was again moved out of the folding area 40, becomes only on contact lines of the individual transport rollers 54a-54g and the individual pressure rollers 56a-56g was prepared to a certain extent by the individual pairs of conveyor rollers.
- the sheet runs through the pair of cylindrical press rollers 68a, 68b which is arranged on the side on which the folded sheet material 44 is conveyed out of the fold area.
- the sheet is in an erected, essentially vertical position, whereby it it is possible, by simple means, to lay the sheet on one side, for example printed, or on the other side, for example unprinted, as is required by the subsequent sheet material processing.
- the sword folding unit 10 not only performs the folding function, but also the right-angled deflection and the erection of the sheet material in a single device.
- the feed device 12 can be omitted since a device connected in a paper processing line in front of the sword folding unit 10 can feed the sheet material 44 directly into the sword folding unit 10.
- the lever assembly 22 must then be otherwise secured and synchronized with the sheet feed rate.
- sword folding mechanism it is not necessary for the sword folding mechanism to be oriented essentially horizontally. It can also be inclined, for example, in a certain way, as is required for a special application.
- the folding sword 34 does not have to be suspended from the lever arrangement 22, but can otherwise be suspended independently of the feed device 12 and strike the same at any angle that is not parallel to the sheet material 44. Furthermore, it is immaterial to the present invention whether the recesses extend from the folding edge 36 to the folding sword holder 32 or are not present at all, insofar as the surfaces of the transport rollers 54a-54g or pressure rollers 56a-56g are such are carried out that the sheet material 44 remains in engagement with the pair of conveyor rollers when the folding blade 34 is moved out of the folding area 40.
- one pair of conveyor rollers in connection with cylindrical pressure rollers 68a, 68b is sufficient to produce a continuous fold of the sheet material 44. It is also possible to omit the cylindrical press rollers 68a, 68b, since the continuous fold is already generated by the pairs of conveyor rollers. Moreover, it is not necessary for the sheet material conveying device to be designed in the form of pairs of conveyor rollers, since a continuous elastic conveyor belt can also be provided, the surface of which is in contact with the sheet material 44 comes, can be designed such that it remains in engagement with the sheet material 44 when the folding blade 34 is removed from the folding area 40.
- the described reduction in the direction of the support 42 of the diameter of the transport rollers 54a-54g or of the pressure rollers 56a-56g does not have to be linear, but the cross-section can also be reduced continuously in a spherical, parabolic or other manner.
- the support 42 and the stop 50 which have been described in relation to a preferred exemplary embodiment of the sword folding mechanism 10, are not absolutely necessary, since the sheet material 44 is also, for example, by a defined kinetic energy which the sheet material from received the feed device, can be placed in a certain position directly above the pairs of conveyor rollers.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19606821A DE19606821A1 (de) | 1996-02-23 | 1996-02-23 | Schwertfalzwerk |
DE19606821 | 1996-02-23 | ||
PCT/EP1997/000851 WO1997030925A1 (de) | 1996-02-23 | 1997-02-21 | Schwertfalzwerk |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0883566A1 true EP0883566A1 (de) | 1998-12-16 |
EP0883566B1 EP0883566B1 (de) | 1999-12-29 |
Family
ID=7786248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97903356A Expired - Lifetime EP0883566B1 (de) | 1996-02-23 | 1997-02-21 | Schwertfalzwerk |
Country Status (6)
Country | Link |
---|---|
US (1) | US6074332A (de) |
EP (1) | EP0883566B1 (de) |
JP (1) | JP3213948B2 (de) |
DE (2) | DE19606821A1 (de) |
ES (1) | ES2141593T3 (de) |
WO (1) | WO1997030925A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9813703A (pt) * | 1997-12-19 | 2000-10-10 | Unilever Nv | Composição de pasta espalhável contendo óleo, e, processos para refinar um azeite de oliveira, e para a manufatura de uma composição alimentìcia. |
ATE251585T1 (de) * | 2000-11-28 | 2003-10-15 | Hunkeler Ag | Verfahren und vorrichtung zum falzen von bögen |
US6808479B2 (en) * | 2001-10-05 | 2004-10-26 | Hewlett-Packard Development Company, L.P. | Thick media folding method |
US6939284B2 (en) * | 2001-10-05 | 2005-09-06 | Hewlett-Packard Development Company, L.P. | Sheet folding apparatus with rounded fold blade |
US6878104B2 (en) * | 2001-10-05 | 2005-04-12 | Hewlett-Packard Development Company, L.P. | Variable media thickness folding method |
US6623415B2 (en) * | 2001-12-21 | 2003-09-23 | First Data Corporation | Sheet folding systems and methods |
US6829519B2 (en) * | 2003-04-14 | 2004-12-07 | First Data Corporation | Systems for assembling mailings and methods for external control thereof |
US7216012B2 (en) * | 2003-04-14 | 2007-05-08 | First Data Corporation | Auction systems and methods for selecting inserts for direct mailings |
US6895302B2 (en) * | 2003-04-14 | 2005-05-17 | First Data Corporation | Systems and methods for allocating excess space associated with mailings |
US6817605B1 (en) * | 2003-04-30 | 2004-11-16 | Hewlett-Packard Development Company, L.P. | Method and apparatus for creating a pillowless booklet |
DE102004015963A1 (de) * | 2004-04-01 | 2005-11-10 | Koenig & Bauer Ag | Systems mit alternativen Bearbeitungsstrecken zur Weiterverarbeitung von Produkten, Längsfalzapparat sowie Verfahren zum synchronen Betrieb eines Falzapparates |
US7962355B2 (en) * | 2004-06-30 | 2011-06-14 | First Data Corporation | Presentation instrument production equipment and methods |
US20070015649A1 (en) * | 2005-07-14 | 2007-01-18 | First Data Corporation | Flow folder apparatus and methods |
US7516949B2 (en) * | 2005-08-10 | 2009-04-14 | First Data Corporation | Sideways sheet feeder and methods |
JP4536646B2 (ja) * | 2005-11-28 | 2010-09-01 | 京セラミタ株式会社 | 用紙折り装置及び用紙後処理装置 |
JP4588619B2 (ja) * | 2005-11-30 | 2010-12-01 | 京セラミタ株式会社 | 用紙折り装置及び用紙後処理装置 |
DE102006042878A1 (de) * | 2006-09-13 | 2008-03-27 | Heidelberger Druckmaschinen Ag | Vorrichtung zum Positionieren einer Hinterkante von Bogen |
US8606670B2 (en) * | 2007-01-02 | 2013-12-10 | First Data Corporation | Integrated communication solution |
DE102007062863A1 (de) * | 2007-12-21 | 2009-06-25 | Heidelberger Druckmaschinen Ag | Einrichtung zum Verspannen von Wellen |
DE102009000197B3 (de) * | 2009-01-14 | 2010-03-11 | Koenig & Bauer Aktiengesellschaft | Falzapparat |
EP2210844B1 (de) * | 2009-01-26 | 2012-04-04 | Neopost Technologies | Verfahren und Vorrichtung für die Zufuhr und Faltung von Blättern |
DE102009052145A1 (de) | 2009-11-06 | 2011-05-12 | Heidelberger Druckmaschinen Ag | Falzmaschine mit einer Einrichtung zum Abpressen |
DE102012025013B4 (de) | 2012-12-20 | 2015-03-05 | Böwe Systec Gmbh | Klappfalzwerk und Verfahren zum Falzen von Flachgut |
EP3061716B1 (de) * | 2015-02-19 | 2019-11-06 | Hunkeler AG | Herstellverfahren für zeitungsprodukt |
US10308470B2 (en) * | 2017-09-13 | 2019-06-04 | Kabuhiki Kaisha Toshiba | Blade and post-processing apparatus |
JP7146255B2 (ja) * | 2018-10-29 | 2022-10-04 | ホリゾン・インターナショナル株式会社 | ナイフ折り機 |
JP2023092561A (ja) * | 2021-12-22 | 2023-07-04 | 京セラドキュメントソリューションズ株式会社 | シート折り装置およびそれを備えたシート後処理装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE228894C (de) * | 1900-01-01 | |||
DE2146013A1 (de) * | 1971-09-15 | 1973-03-22 | Dornier Ag | Einrichtung zum laengsfalzen von papierbogen |
US3995850A (en) * | 1972-10-27 | 1976-12-07 | Veb Polygraph Leipzig Kombinat Fur Polygraphische Maschinen Und Ausrustungen | Folding of sheet-material blanks |
US3926425A (en) * | 1974-06-27 | 1975-12-16 | Kimberly Clark Co | Method of coupon positioning and mechanism therefor |
US4338088A (en) * | 1977-08-29 | 1982-07-06 | Buss Randall D | Folding machine |
FR2461671A1 (fr) * | 1979-07-19 | 1981-02-06 | Chambon Machines | Dispositif a lame mobile pour le pliage de feuilles de papier ou matiere similaire |
US4493690A (en) * | 1983-01-20 | 1985-01-15 | Rockwell International Corporation | Cam activated anti-dog-ear device |
JP2983247B2 (ja) * | 1990-04-23 | 1999-11-29 | 株式会社小森コーポレーション | 折機のチョッパ折装置 |
DE4101399A1 (de) * | 1991-01-18 | 1992-07-23 | Kodak Ag | Vorrichtung zum falten von blaettern |
-
1996
- 1996-02-23 DE DE19606821A patent/DE19606821A1/de not_active Withdrawn
-
1997
- 1997-02-21 EP EP97903356A patent/EP0883566B1/de not_active Expired - Lifetime
- 1997-02-21 JP JP52981197A patent/JP3213948B2/ja not_active Expired - Fee Related
- 1997-02-21 WO PCT/EP1997/000851 patent/WO1997030925A1/de active IP Right Grant
- 1997-02-21 DE DE59700930T patent/DE59700930D1/de not_active Expired - Fee Related
- 1997-02-21 US US09/066,439 patent/US6074332A/en not_active Expired - Fee Related
- 1997-02-21 ES ES97903356T patent/ES2141593T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9730925A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH11506719A (ja) | 1999-06-15 |
US6074332A (en) | 2000-06-13 |
JP3213948B2 (ja) | 2001-10-02 |
DE19606821A1 (de) | 1997-08-28 |
ES2141593T3 (es) | 2000-03-16 |
EP0883566B1 (de) | 1999-12-29 |
DE59700930D1 (de) | 2000-02-03 |
WO1997030925A1 (de) | 1997-08-28 |
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