EP1177149B1 - Dispositif de traitement d'une bande de formulaires - Google Patents

Dispositif de traitement d'une bande de formulaires Download PDF

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Publication number
EP1177149B1
EP1177149B1 EP00920320A EP00920320A EP1177149B1 EP 1177149 B1 EP1177149 B1 EP 1177149B1 EP 00920320 A EP00920320 A EP 00920320A EP 00920320 A EP00920320 A EP 00920320A EP 1177149 B1 EP1177149 B1 EP 1177149B1
Authority
EP
European Patent Office
Prior art keywords
bevel wheels
forms
equalizing
main axis
continuous sheet
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.)
Expired - Lifetime
Application number
EP00920320A
Other languages
German (de)
English (en)
Other versions
EP1177149A1 (fr
Inventor
Peter Kern
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.)
Kern AG
Original Assignee
Kern AG
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
Priority claimed from EP99810423A external-priority patent/EP1052199A1/fr
Application filed by Kern AG filed Critical Kern AG
Priority to EP00920320A priority Critical patent/EP1177149B1/fr
Publication of EP1177149A1 publication Critical patent/EP1177149A1/fr
Application granted granted Critical
Publication of EP1177149B1 publication Critical patent/EP1177149B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/132—Details of longitudinal profile arrangement of segments along axis
    • B65H2404/1321—Segments juxtaposed along axis
    • B65H2404/13211—Segments juxtaposed along axis and interconnected by gearing, e.g. differential gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/132—Details of longitudinal profile arrangement of segments along axis
    • B65H2404/1321—Segments juxtaposed along axis
    • B65H2404/13212—Segments juxtaposed along axis and driven independently

Definitions

  • the present invention relates to a device for processing form webs by advancing and cutting form webs in cycles; such devices are e.g. from the German utility model G 85 04 658 (1985) and from EP-A-0 156 775 known. Devices of this type are used in particular for automated Processing endios forms, i.e. for web separation and merging the sections that belong together and usually also for inserting, used.
  • EP-A-0 510 324 also relates to the processing of continuous forms. Here are the webs are transported with the help of belts which abut and circulate around them.
  • EP-A-0 556 640 belongs to the technological background Capstan roller for thermal printers describes.
  • the roller for what is to be printed Paper consists of three segments that are connected to each other via a differential drive Connected to the average speed of the two end segments Adjust the speed of the middle segment.
  • the form webs which are advanced continuously or discontinuously or cyclically and across Working direction separated into individual sections of predetermined length.
  • the feed takes place in these facilities by means of so-called tractors, i.e. Barbed wheels or barbed tapes, whose spines in the usual edge perforation on one or both sides of the Intervene form web.
  • the control of the feed can be mechanical or electrical or electronically and for example electro-optically, e.g. through a program or / and through form markings and according to the respective requirements to the form length.
  • the object of the invention is es to provide a device that meets these requirements so that paper webs can be used without edge tape, no waste due to separated edge strips arises and no facilities for lateral trimming of the form webs or the forms created from these are required.
  • US-A-4 555 967 relates to one continuous web guiding device , whereby to cross the Bahui the Path feed not interrupted becomes.
  • US-A-3 552 903 a ban guidance device with a differential in a continuous driven web winding system.
  • the object of the invention defined above can thereby be achieved be that the form web to achieve a sufficiently accurate and accurate Feed is stirred on a driven roller with at least one Pressing device. e.g. at least one adjacent but not driven joint ferrolle or another equivalent device cooperates and two parts owns, which are connected by a differential gear to unevenness to compensate for the feed, e.g. due to contamination or other side effects of rapid and sustained operation of the device can result.
  • at least one Pressing device e.g. at least one adjacent but not driven joint ferrolle or another equivalent device cooperates and two parts owns, which are connected by a differential gear to unevenness to compensate for the feed, e.g. due to contamination or other side effects of rapid and sustained operation of the device can result.
  • At least one pair of sleeves arranged be that rotatable and with respect to the longitudinal center line of the associated form web is arranged substantially symmetrically, with those adjacent to the longitudinal center line Sleeves are connected via a differential gear.
  • the differential gear has two bevel gears, each of which is torsionally rigid with those adjacent to the longitudinal center line Sleeves of the at least one pair of sleeves is connected; the operative connection
  • This bevel gear is made up of two differential bevel gears that freely move around one common axis are rotatable, which is perpendicular to the main axis, e.g. in a corresponding transverse bore of the main axis is arranged.
  • the differential gear according to the invention has an effect analogous to that known Differential gear on the driven wheels of a car making a turn whereby the driving speed of the wheels the different radii of the adapts to the curve traversed by each wheel. Only on a straight route - here with an exact one Straight line of the respective form web - both sleeves are exactly driven at the same speed.
  • the differential gear used according to the invention between the adjacent sleeves on the main axis causes a lateral deviation from the normal straight running direction of the form web Deviation is compensated and corrected automatically by the differential.
  • the invention therefore relates to a Device for processing form webs by cyclical Feeding and cutting at least one form web with the in claim 1 respected features.
  • Preferred embodiments of the device according to the invention have the features specified in claims 2-7.
  • the differential is in accordance with a preferred embodiment of the invention a mechanical transmission known per se, the two drive bevel gears and two Has differential bevel gears; each of the drive bevel gears is torsionally rigid with one of the Sleeves connected; the two differential bevel gears are rotatable about a transverse axis, connected to the main axis and e.g. is guided through this; each of the drive bevel gears meshes with the two differential bevel gears.
  • the drive and / or differential bevel gears designed as toothed bevel gears, preferably self-lubricating, i.e. at least one of the interlocking ones Bevel gears or toothed bevel gears consist at least on the outside of a self-lubricating one Polymer such as polyamide, polyacetal, polyester.
  • a self-lubricating one Polymer such as polyamide, polyacetal, polyester.
  • the friction surfaces i.e. with the associated form web in Contact coming surface of the movement-connected by the differential gear Sleeves with an abrasion-resistant elastomer, especially an elastic one Material, e.g. synthetic or natural elastomer, such as rubber, polyurethane. Polyisoprene, or the like, which typically has a Shore hardness A in the range of 80-100 typically 90-95.
  • an abrasion-resistant elastomer especially an elastic one Material, e.g. synthetic or natural elastomer, such as rubber, polyurethane. Polyisoprene, or the like, which typically has a Shore hardness A in the range of 80-100 typically 90-95.
  • the friction effect of the sleeve surface can also be due to the surface condition or surface structuring can be achieved, e.g. due to surface roughness and / or pattern-like or statistically distributed profiles.
  • Therefor can also create surfaces or surface areas made of abrasion-resistant materials including metal, ceramics, glass and hard materials (sintered metal, Metal carbide, nitride coatings, diamond, boron nitride), e.g. in the form of Embedding sufficiently fine grains of such hard materials in a layer of metallic or non-metallic binder.
  • pairs of contact points are preferably in the working direction Device, i.e. the running direction of the tracks, at least by the working width of each other the device spaced, in front of the associated driven roller. It goes without saying that these contact points or contact point pairs can be positioned, be it to adapt to different form widths or be it to fine-tune the Form Introduction.
  • the form web can be fed at every feed cycle of the form web an acceleration phase, a movement phase and a braking phase are assigned
  • the acceleration phase will be determined by a form length that corresponds to the desired length
  • the signal is triggered and the feed of the form web is regulated a point determined by the length of the form.
  • the form web has in a manner known per se, e.g. generated by printing Markings, the optical reading of which corresponds to the desired form length Control signal triggers; the movement is thereby known by a Control electronics that control the actual value of the feed trigger point with its Compares the setpoint and uses the difference to control the drive.
  • the device 1 shown schematically in FIG. 1 has a first guide 12 for the form tracks B 1 and an optional (broken line) second guide 14 for a second form track B 2 .
  • the number of guideways is only limited by the design and the number of form tracks to be processed. If desired, three or more form paths could also be merged in an analogous manner (not shown), provided that this is spatially possible in the given case.
  • the number of webs processed simultaneously with a device according to the invention is not regarded as critical and is within the professional discretion.
  • the guides can be known Be arranged converging one above the other. It is in use of more than one roller (and simultaneous processing of more than one form web) not essential whether the guides each make an angle with the horizontal include or one of the guides runs approximately horizontally. Using A single form web can guide 12 horizontally or at an angle be arranged to the horizontal. The size of this angle is again in the range of professional discretion.
  • the form web B 1 and any further form web which may be present are fed to the device from a source, not shown, for example a magazine or a longitudinal separating device for a double-sided printed form web.
  • a source not shown, for example a magazine or a longitudinal separating device for a double-sided printed form web.
  • Each form web lies on the side of a guide 13 or 15 (only the guide in front is shown).
  • Each form web runs between the associated driven roller 182 or 184 and the pressure device attached to it under slight pressure of typically 50 - 500 g, e.g. the non-driven contact or idler rollers 192 or 194 or similarly acting pressing devices to the cross-cutting device 11, which e.g. in on known type as "guillotine" with a cutting bar or knife and one or two cutting edges, can be designed as a rotating knife or the like.
  • the cross-cutting device 11 which e.g. in on known type as "guillotine" with a cutting bar or knife and one or two cutting edges, can be designed as a rotating knife or the like.
  • several contact rollers can be used for each roller and / or this by means of the same or similar effect, e.g. adjacent feathers, Brackets or the like can be replaced or effectively supplemented.
  • the roller 182 or 184 is equipped with an associated drive 162 or 164, e.g. one Electric motor, the activity of which is regulated by a controller 17 in order to to lead at least one form web to the cross cutting device 11.
  • an associated drive 162 or 164 e.g. one Electric motor, the activity of which is regulated by a controller 17 in order to to lead at least one form web to the cross cutting device 11.
  • the structure of the driven roller 182 in FIG. 2 is based on a semi-schematic one Sectional view explained.
  • the roller has a one-piece and continuous Main axis 20 made of a rigid material, typically steel, aluminum or the like, which are rotatably guided at both ends 201, 202 in the bearings 204, 205 and on one side, here e.g. the end 201, is connected to a drive motor, not shown.
  • Every sleeve typically consists of a rigid material such as steel, aluminum or thermoset and is provided with a friction lining 219, 229, e.g. made of an elastic polyurethane (e.g. Vukollan® from Bayer AG) or from a coating of fine-grained hard material provided in a suitable matrix material.
  • an elastic polyurethane e.g. Vukollan® from Bayer AG
  • the associated pressure roller lies on each sleeve in the area of its friction lining 219, 229 29a, 29b in order to adequately close the form web against the friction lining press that the form web (not shown in FIG. 2) when the (in Fig. 2, not shown) drive is transported practically without slippage.
  • the two sleeves 21, 22 are in the region of the center of the main axis 20 through the differential 24 connected to each other, as shown enlarged in Fig. 2a.
  • the differential 24 consists of two drive bevel gears 211, 221, which act as bevel gears formed and each connected rigidly to the associated sleeve 21, 22 are.
  • the operative connection of the drive bevel gears 211, 221 or with this rigidly connected sleeves 21, 22 is carried out by two also formed as gears Differential bevel gears 261, 262, which are freely rotatable about the auxiliary axis 28 and are engaged with the drive bevel gears 211, 221.
  • the auxiliary axis 28 lies in a transverse bore of the main axis 20 and is by the Rotation taken, i.e. rotates in the radial direction.
  • the auxiliary axis 28 can be axial be rotatable, but this is usually of no practical importance. It is essential that the differential gear 24 only comes into effect when on the form web adjacent sleeves 21, 22 are not equally involved in the transport. Such an inequality can e.g. then occur if contamination occurs during continuous operation due to paper dust or the like, which would result in the form web not exactly straight anymore, i.e. perpendicular to the cross cutting device, runs. In in this case, the differential 24 causes an immediate correction and ensures therefore also in continuous operation with typical running speeds of the form webs reliable guidance of the form web from 1 to 4m / sec.
  • a preferred control or regulation of the drive of the main axis 20 is shown in the diagram of FIG. 3.
  • the electric motor causing the drive is controlled in such a way that the initially stationary form web first accelerates during a start-up phase B acc and is then guided through the movement or feed phase B mov until the start of the braking phase B br at a practically constant speed.
  • the transition from phase B mov to phase B br is used and the braking process is dimensioned such that the form web is exactly in the position controlled in the usual manner, for example by printed markings Cross cutting device is positioned.
  • the reading can be carried out in a manner known per se e.g. through optical Reading of the marking on the form web can be triggered.
  • the movement will controlled by control electronics, the actual value of the location of the trigger point compares it with its setpoint and uses the difference to control the drive.
  • FIG. 4 shows a broken part of the guide 42 of a device according to the invention with the form web 43 lying thereon, which has a center line M and a Width B has.
  • the edge-side guides 45a, 45b are at a distance L in the running direction (Arrow A) located in front of the driven roller 44, the distance L is preferably at least as large as the width B of the web 43
  • Pressure rollers 49a, 49b are arranged symmetrically to the center line M of the form web and press the form web against the roller in the area of the friction linings is connected via the axis 40 to the drive 46 and the actuation of the roller in controls in the manner set out above.
  • the exemplary embodiment set out above serves for explanation and not for limitation of the invention and generally provides an apparatus for processing at least a form web by continuously or intermittently feeding and cutting the at least one form web; the device has at least one to a cross-cutting device Guided tour for the at least one form web. If more than one form path is to be processed, the number of tours is naturally larger accordingly; the device has means for controlling the Feed the form web and at least one driven roller, which is transverse to the Working direction extends over the working width of the device and with at least one Pressing device, e.g.
  • the driven roller has a continuous main axis that only on one Side is connected to a drive for rotation of the continuous main axis; this main axis carries at least one pair of cylindrical rotatable about the main axis Sleeves connected to each other via a mechanical or differential gear are related.

Landscapes

  • Advancing Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Gears, Cams (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Replacement Of Web Rolls (AREA)
  • Making Paper Articles (AREA)
  • Fats And Perfumes (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Claims (7)

  1. Dispositif (1) pour le traitement d'au moins une bande de formulaires par avance et découpage cycliques contrôlés de la au moins une bande de formulaires (B1), le dispositif comportant au moins un guidage (12) pour la bande de formulaires, s'étendant vers un dispositif de séparation transversale (11), le dispositif (1) comportant des moyens (17; 162) servant à assurer la commande de l'avance de la au moins une bande de formulaires, caractérisé en ce qu'en vue de l'avance de la bande de formulaires, le dispositif comporte au moins un rouleau commandé (182), s'étendant transversalement à la direction de travail sur la largeur de travail du dispositif et coopérant avec au moins un dispositif de pression (192a, 192b), le rouleau commandé comportant un axe principal continu (20), relié uniquement au niveau d'une de ses deux extrémités (201) avec un dispositif d'entraínement servant à la rotation de l'axe principal continu, l'axe principal (20) comportant au moins une paire de douilles cylindriques (21; 22), pouvant tourner autour de l'axe principal, reliées activement par l'intermédiaire d'un engrenage de compensation (24).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'engrenage de compensation (24) est un engrenage mécanique, comprenant deux roues coniques d'entraínement (211; 221) et deux roues coniques de compensation (261, 262), chacune des roues coniques d'entraínement étant reliée par rotation rigide avec la douille correspondante (21, 22), les deux roues coniques de compensation étant agencées de sorte à pouvoir tourner autour d'un axe transversal (28) relié à l'axe principal, chacune des roues coniques d'entraínement étant engagée dans les deux roues coniques de compensation.
  3. Dispositif selon la revendication 2, caractérisé en ce que les roues coniques d'entraínement et/ou de compensation (211, 221; 261, 262) ont la forme de roues coniques dentées.
  4. Dispositif selon l'une des revendication 2 ou 3, caractérisé en ce que les roues coniques d'entraínement et/ou de compensation (211, 221; 261, 262) sont autolubrifiantes, leurs surfaces à engagement mutuel étant par exemple composées de polymères autolubrifiants.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que chacune des douilles (21, 22) comporte des surfaces à friction (219, 229) composées d'un matériau de gomme élastique, présentant par exemple une dureté Shore A comprise entre 80 et 100.
  6. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les surfaces à friction sont composées d'un matériau pratiquement rigide et comportent une surface structurée, par exemple une surface rendue rugueuse, en particulier par un matériau dur à grains fins à adhésion.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que chaque guidage (12) de la bande de formulaires (B1) comporte deux points de contact opposés (13a, 13b) exerçant une pression sur les deux côtés de la bande de formulaires, les points de contact étant agencés dans la direction du passage de sorte à être espacés du rouleau (182) d'une distance correspondant au moins à la largeur de travail du dispositif.
EP00920320A 1999-05-12 2000-05-09 Dispositif de traitement d'une bande de formulaires Expired - Lifetime EP1177149B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00920320A EP1177149B1 (fr) 1999-05-12 2000-05-09 Dispositif de traitement d'une bande de formulaires

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP99810423 1999-05-12
EP99810423A EP1052199A1 (fr) 1999-05-12 1999-05-12 Dispositif pour le traitment de bandes de formulaires
CH226399 1999-12-09
CH226399 1999-12-09
PCT/CH2000/000256 WO2000069764A1 (fr) 1999-05-12 2000-05-09 Dispositif de traitement d'une bande de formulaires
EP00920320A EP1177149B1 (fr) 1999-05-12 2000-05-09 Dispositif de traitement d'une bande de formulaires

Publications (2)

Publication Number Publication Date
EP1177149A1 EP1177149A1 (fr) 2002-02-06
EP1177149B1 true EP1177149B1 (fr) 2003-07-30

Family

ID=25689949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00920320A Expired - Lifetime EP1177149B1 (fr) 1999-05-12 2000-05-09 Dispositif de traitement d'une bande de formulaires

Country Status (9)

Country Link
EP (1) EP1177149B1 (fr)
JP (1) JP2002544097A (fr)
AT (1) ATE246137T1 (fr)
AU (1) AU4096800A (fr)
BR (1) BR0010445A (fr)
CA (1) CA2373321C (fr)
DE (1) DE50003115D1 (fr)
ES (1) ES2204554T3 (fr)
WO (1) WO2000069764A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20080473A1 (it) * 2008-08-29 2010-02-28 Gep Spa Sistema di trascinamento a trattori per la mivimentazione di carta a bassa rigidita'
US8042795B2 (en) 2008-09-05 2011-10-25 Kern International, Inc. Transporting apparatus for discrete sheets into envelopes and related methods
US8453823B2 (en) 2008-09-05 2013-06-04 Kern International, Inc. Transporting apparatus for web products and related methods
US8540235B2 (en) 2008-09-05 2013-09-24 Peter Kern Conveying apparatus for envelopes and related methods
US7971865B2 (en) 2008-09-05 2011-07-05 Kern International, Inc. Inserting apparatus for discrete objects into envelopes and related methods
US7717418B2 (en) 2008-09-05 2010-05-18 Kern International, Inc. Envelope conveying and positioning apparatus and related methods
JP5811447B2 (ja) * 2011-09-07 2015-11-11 大日本印刷株式会社 複数の原反からウェブを同時給送可能なウェブ搬送装置
JP6003679B2 (ja) * 2013-01-29 2016-10-05 大日本印刷株式会社 複数の原反からウェブを同時給送可能なウェブ搬送装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522903A (en) * 1968-03-14 1970-08-04 Varian Associates Paper strip puller having differentially driven pullers to prevent sluing of the strip
DE2703345C3 (de) * 1977-01-25 1981-06-04 Mannesmann AG, 4000 Düsseldorf Friktionsantrieb für mindestens zwei Friktionswalzen
DE3014609C2 (de) * 1980-04-14 1982-03-25 Mannesmann AG, 4000 Düsseldorf Schreibwalzenantrieb für einen Drucker mit einer den Druckträger fördernden Schreibwalze
FR2531941A1 (fr) * 1982-08-17 1984-02-24 Aerospatiale Machine pour la decoupe de pieces dans une matiere en bande
EP0556640B1 (fr) * 1992-02-21 1996-04-10 Eastman Kodak Company Rouleau cabestan différentiel subdivisé en plusieurs
DE19748789C2 (de) * 1997-11-05 2000-05-25 Boewe Systec Ag Vorrichtung zum Querschneiden einer Papierbahn

Also Published As

Publication number Publication date
EP1177149A1 (fr) 2002-02-06
ES2204554T3 (es) 2004-05-01
JP2002544097A (ja) 2002-12-24
WO2000069764A1 (fr) 2000-11-23
ATE246137T1 (de) 2003-08-15
DE50003115D1 (de) 2003-09-04
BR0010445A (pt) 2002-02-13
CA2373321C (fr) 2008-12-30
CA2373321A1 (fr) 2000-11-23
AU4096800A (en) 2000-12-05

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