EP0776845B1 - Fente de séparation adjustable pour des feuilles en papier et similaire - Google Patents

Fente de séparation adjustable pour des feuilles en papier et similaire Download PDF

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Publication number
EP0776845B1
EP0776845B1 EP96118493A EP96118493A EP0776845B1 EP 0776845 B1 EP0776845 B1 EP 0776845B1 EP 96118493 A EP96118493 A EP 96118493A EP 96118493 A EP96118493 A EP 96118493A EP 0776845 B1 EP0776845 B1 EP 0776845B1
Authority
EP
European Patent Office
Prior art keywords
passage gap
eccentric shaft
roller
eccentric
electric motor
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
EP96118493A
Other languages
German (de)
English (en)
Other versions
EP0776845A1 (fr
Inventor
Ralph Pittelkow
Werner King
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.)
Bauerle Mathias GmbH
Original Assignee
Bauerle Mathias GmbH
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
Application filed by Bauerle Mathias GmbH filed Critical Bauerle Mathias GmbH
Publication of EP0776845A1 publication Critical patent/EP0776845A1/fr
Application granted granted Critical
Publication of EP0776845B1 publication Critical patent/EP0776845B1/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
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B65H3/5207—Non-driven retainers, e.g. movable retainers being moved by the motion of the article
    • B65H3/5215—Non-driven retainers, e.g. movable retainers being moved by the motion of the article the retainers positioned under articles separated from the top of the pile
    • 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

Definitions

  • the invention relates to a different material thickness adjustable lock for paper sheets, paper webs, Foils or the like.
  • Materials each one Processing or processing device are supplied, wherein the lock between one during work continuously rotating friction roller and one in relation radially adjustable, axially parallel on the distribution roller Brake roller has a passage gap and a electrical switching element is present when setting of the passage gap to the thickness of one in the passage gap located pattern a control signal for a electrical circuit.
  • the braking surface forms with the outer surface of the Rubbing roller has a wedge-shaped passage gap.
  • the passage gap to a certain sheet thickness can, is on a carrier carrying the brake roller with respect to the friction roller and opposite the brake roller radially movable frame arranged, which one in Area of the passage gap on the lateral surface of the Rubbing roller has attachable touch surface.
  • the frame with an electrical signal switch Signal circuit provided by one of the position the brake roller with respect to the touch surface or the Rubbing roller sensing probe is actuated.
  • the signal circuit controlled by the signal switch optical and / or acoustic signal At Reaching the correct size of the passage gap the signal circuit controlled by the signal switch optical and / or acoustic signal.
  • the brake roller is arranged eccentrically on an actuating shaft, the Angular position can be fixed.
  • the invention has for its object a lock to create the type mentioned, the opening width in the shortest possible time with the simplest handling an accuracy on a paper or paper to be processed adjust other material thickness, which is a trouble-free Work of the lock, especially for separating the bow and removal from a stack.
  • the brake roller rotates on the cylindrical eccentric one by a first electric motor drive drivable, optionally adjustable in both directions Eccentric shaft mounted and when stationary Rubbing roller by a second electromotive Drive with a compared to the adjustment speed the brake roller significantly higher rotational speed via a gear part movable from its normal position is drivable, that when reaching to be set Gap actuated by the switching element whose switching signal the two electromotive drives being stopped.
  • the particular advantage in the functional principle of this solution according to the invention is that the Setting the passage gap of the lock on the Thickness of a sheet of paper or the like not by a manual one Adjust the friction roller or the brake roller must, but that only the operation of a electrical or electronic switch or one Push button is required after the paper sheet, on whose thickness the passage gap is to be adjusted, has been inserted into the passage gap.
  • this solution according to the invention achieve sufficiently high accuracy of the gap width, so that ensures trouble-free operation of the lock can be.
  • the time it takes for hiring the width of the passage gap is needed is on a Minimum reduced because manual manipulations at the Adjustments can be completely avoided.
  • the functional principle justified delay between the The gap width corresponding to the paper sheet thickness is reached and the triggering of the switching signal by the Switching element exists can be compensated very precisely.
  • This improvement in setting accuracy is in the Usually only for very thin papers or foils required and only if between the Swing speed of the eccentric shaft and the speed of rotation the brake roller during the adjustment process not a sufficiently large gear ratio exists, i.e. if the brake roller is not essential turns faster than the eccentric. This is due to, that the actuation of the switching element by the Rotational speed or peripheral speed of the Brake roller depends, with which the movable gear part to operate the signal switch from its normal position is moved.
  • the lock from a passage gap adjustable to different widths 1 formed between a friction roller 2 and one radial with respect to the axis 56 of the friction roller 2 adjustable, axially parallel brake roller 3.
  • the friction roller 2 is provided with a friction jacket 4 which e.g. on normal paper, a much higher one Has coefficient of friction as the friction jacket 5 with which the Brake roller 3 is provided.
  • the friction roller 2 sits on a shaft 6, which during normal work, i.e. Separation operation continuously with one relatively high rotational speed, especially peripheral speed, driven, but which stands still, when the passage gap 1 is set to a new width must become.
  • the brake roller 3 is rotatable on a cylindrical Eccentric 7 of an eccentric shaft 8 is mounted.
  • the eccentric shaft 8 is by means of two coaxial journals 9 and 10 rotatably supported in fixed bearings 11 and 12 respectively. While normal operation when the friction roller 2 rotates at a relatively high speed, the brake roller stands 3 silent. Your job is to prevent simultaneously two sheets of paper the set passage gap 1 happen. The task of the rotating friction roller 2 is to pass the individual sheets of paper through the passage gap 1 to be transported through.
  • the brake roller 3 is provided with a hub 13 which is attached to a worm wheel 14 with one Snail 15 is engaged.
  • the screw 15 is on attached to a worm shaft 16, the axis 16 'at right angles to the rotation or bearing axis 17 of the eccentric shaft 8 runs and rotatable in bearings 19 and 20 and also against the action of a return spring 21 in the direction of Arrow 22 is axially movable.
  • spur gear 23 On which the return spring 21 is supported, the between this spur gear 23 and the lower bearing 20th the worm shaft 16 concentrically surrounds.
  • the spur gear 23 is in engagement with a pinion 24 which is on the motor shaft 25 of an electric motor 26 is attached.
  • the opposite direction the pivoting movement of the eccentric shaft 8 and the Eccentric 7 with the brake roller 3 rotating thereon is in 4a to 4c indicated by the arrows 43.
  • Fig. 4c is the Bearing pin 10 not with a flat 48 but instead adjustable with one in the circumferential direction patch switch ring 52 provided by means of a radial clamping screw 55 is fixed and one has radial incision 53 ', in which the shift lever 49 of the microswitch 50 can occur when the Eccentric shaft 10 shown in Fig. 4c or in Fig. 4a Starting angular position in which the Passage gap 1 its largest, preferably to about 1 mm has a defined width w.
  • the eccentricity level 53 is the level in which both the axis of rotation 17 of the eccentric shaft 8 and the axis 54 of the cylindrical eccentric 7 lie.
  • the initial opening width w of the passage gap 1 is to be approximately 1 mm
  • an eccentricity e of approximately 1 to 2 mm is expediently selected and an initial angular position of the eccentricity plane 53, in which its angular distance ⁇ of the connecting plane 55 between the axis 56 of the friction roller 2 and the rotation or bearing axis 17 of the eccentric shaft 8 should not be greater than 120 °.
  • the setting angle ⁇ can be smaller than 90 °.
  • the radial movement component of the pivoting movement of the brake roller 3, which is related to the axis 56 of the friction roller 2, is smaller in the final phase of the actuating angle ⁇ than in the initial phase thereof, so that the desired width w1 can be set much more precisely.
  • this radial movement component goes towards zero according to the sine function.
  • This gap width w1 can be, for example, 0.1 mm and correspond to a sheet thickness d of 0.1 mm, which in turn corresponds to a paper weight of 80 g / m2.
  • this circuit arrangement is provided with mechanical contact switches or with two switching relays R and R ' , with which the two electromotive drives 26 and 40 are controlled.
  • the two electric motors 26 and 40 are connected in parallel to the two switching relays R and R ' , the switching relay R having contact switches r1 , r2 and r3 , while the switching relay R' has a total of four contact switches r'1 , r'2 , r '3 and r'4.
  • the switching element 51, a push-button switch T1 which can be operated by hand, and a switching contact r'4 of the switching relay R ' are in series with one another , wherein the push-button switch T1 designed as a closing switch can be bridged by a self-holding contact rl of the switching relay R. is.
  • the switching element 45 In the circuit of the switching relay R 'are connected in series to each other, the switching element 45, a pushbutton switch T2, which is operated manually, and a switch contact r3 of, whereby the pushbutton switch T2 switching relay R through a self-holding switch contact r'1 of the switching relay R' can be bridged.
  • the switching contacts r2 of the switching relay R On the one hand and the switching contact r'2 of the other switching relay R ' , the direction of rotation of the electromotive drive 40 and thus also the pivoting direction of the eccentric 7 or the eccentric shaft 8 can be reversed.
  • the electric motor drive 26 is switched on and off by the contact switch r'3 , which is located in its circuit.
  • the relay R In order to reset the lock or the passage gap 1 to a different paper thickness or width w1 , the relay R is initially excited by briefly actuating the pushbutton switch T1 , which closes the self-holding contact switch r1 , opens the contact switch r3 and switches the contact switch r2 , so that the electric motor drive 40 causes a pivoting movement of the eccentric in the opening direction, ie in the direction of arrow 42 (FIGS. 5a and 5b). This pivoting movement is ended by actuating the switching element 51, the switch of which is opened. The relay R then drops out again. The initial state shown in FIG. 6 results again.
  • the passage gap 1 is now set to a maximum width W of 1 mm.
  • the brake roller 3 executes on the eccentric 8 a continuous rotary movement with an angular velocity which is approximately 30 to 40 times greater than the angular velocity of the eccentric 7 rotating in the closing direction of the arrow 43 about the rotary and bearing axis 17.
  • the friction roller 2 stands during this time silent.
  • the passage gap 1 of the lock can thus be set very quickly and precisely to the thickness of the paper sheet B , a film or the like which has just been inserted.
  • a special skill of the operator is not required, since this setting is done automatically with the help of two self-controlled electric drives.
  • an electronic control device controlled by a microprocessor or the like can also be provided, which only requires one of the two pushbutton switches T1 or T2 and an automatic, alternating switchover between the opening process described and performs the closing operation of the passage gap, also described. It is then only necessary to actuate the same key switch T1 or T2 once to open the passage gap 1 and to adjust it to a specific thickness d of an inserted sheet of paper or the like.
  • the drive 40 of the eccentric shaft 8 each after completion of a in the closing direction of the Passage gap 1 extending adjustment movement a brief change in its direction of rotation perform minimal opposite opening movement to let through which the passage gap again by 0.01 to 0.04 mm is expanded.
  • the one described above Time delay when switching off the electromotive This enables drives to be compensated.
  • the expedient with little backlash self-locking intervention between the The worm wheel 14 and the worm 14 also have the Advantage that there is a further locking of the brake roller 3 not required during normal work.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Paper (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Materials For Medical Uses (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (10)

  1. Ecluse réglable à différentes épaisseurs de matière pour feuilles de papier, bandes de papier, feuilles ou matières semblables qui sont amenées une à une à un dispositif de traitement, cette écluse présentant un interstice de passage (1) entre un rouleau de friction (2) qui tourne en permanence pendant le fonctionnement de travail et un rouleau de freinage (3) dont l'axe est parallèle à celui du rouleau de friction (2) et qui est déplaçable radialement par rapport au rouleau de friction, et où existe un élément de commutation électrique (45) qui, lors du réglage de l'interstice de passage (1) à l'épaisseur (d) d'un modèle se trouvant dans cet interstice (1), émet un signal de commande d'un circuit électrique de commutation,
    caractérisé par le fait
    que le rouleau de freinage (3) est monté tournant sur l'excentrique cylindrique (7) d'un arbre à excentrique (8) qui peut être entraíné par un premier dispositif d'entraínement à moteur électrique (40) et être déplacé au choix dans l'un ou l'autre sens de rotation, et, le rouleau de friction (2) étant arrêté à un endroit fixe, peut être entraíné par un deuxième dispositif d'entraínement à moteur électrique (26) à une vitesse de rotation très supérieure à la vitesse de déplacement du rouleau de freinage (3), par l'intermédiaire d'un élément à engrenage (15, 16) mobile à partir de sa position normale qui, lorsque la largeur désirée (w) de l'interstice est atteinte, actionne l'élément de commutation, dont le signal de commutation arrête les deux dispositifs d'entraínement à moteur électrique (26, 40).
  2. Ecluse selon la revendication 1, caractérisée par le fait que pour la commande des deux dispositifs d'entraínement à moteur (26, 40) est prévu un microprocesseur auquel est associé pour l'ouverture et le réglage de l'interstice de passage (1) un seul interrupteur électrique ou électronique à commande manuelle (T1, T2) qui, en cas d'actionnement répété, met en marche alternativement le premier dispositif d'entraínement (40), de l'arbre à excentrique (8), pour l'ouverture de l'interstice de passage (1) et les deux dispositifs d'entraínement (26, 40) pour le réglage de l'interstice de passage (1) à la largeur désirée (w1).
  3. Ecluse selon la revendication 2, caractérisée par le fait que le dispositif d'entraínement (40) de l'arbre à excentrique (8), après accomplissement d'un mouvement de réglage dans le sens de fermeture de l'interstice de passage (1), exécute par brève inversion de son sens de rotation un mouvement d'ouverture opposé minime qui produit un réélargissement de l'interstice de passage de 0,01 mm à 0,04 mm.
  4. Ecluse selon l'une des revendications 1 à 3, caractérisée par le fait que pour l'actionnement de l'élément de commutation (45) est prévu un arbre d'engrenage mobile axialement (16) qui est relié d'une part par une vis sans fin (15) à une roue à vis sans fin (14) montée sur l'excentrique (7) de l'arbre à excentrique (8) et solidaire en rotation du rouleau de freinage (3) et d'autre part par un engrènement déplaçable axialement (23, 24) au deuxième dispositif d'entraínement à moteur électrique (26).
  5. Ecluse selon l'une des revendications 1 à 4, caractérisée par le fait que les deux dispositifs d'entraínement présentent chacun un moteur électrique (26, 40), les deux moteurs électriques pouvant être commandés séparément et le moteur électrique (40) du premier dispositif d'entraínement étant réversible.
  6. Ecluse selon la revendication 5, caractérisée par le fait que pour la mise par moteur électrique de l'arbre à excentrique (8) dans sa position angulaire initiale est prévu un élément de commutation électrique (51) dont l'état est déterminé par la position angulaire de l'arbre à excentrique (8).
  7. Ecluse selon la revendication 6, caractérisée par le fait que pour la manoeuvre de l'élément de commutation (51), sur l'arbre à excentrique (8) est monté un élément de manoeuvre (52) réglable dans la direction circonférentielle de celui-ci.
  8. Ecluse selon l'une des revendications 1 à 7, caractérisée par le fait que pendant le réglage de l'interstice de passage (1), le rouleau de freinage (3) est entraíné à une vitesse angulaire au moins 25 fois plus grande que la vitesse angulaire de l'arbre à excentrique (8).
  9. Ecluse selon l'une des revendications 1 à 8, caractérisée par le fait que la surface latérale du rouleau de friction (2) a un plus grand coefficient de frottement que la surface latérale du rouleau de freinage (3).
  10. Ecluse selon l'une des revendications 1 à 9, caractérisée par le fait que lorsque l'excentrique (7) est en position initiale, la largeur (w) de l'interstice de passage (1) est inférieure d'au moins un dixième à l'excentricité (e) de celui-ci, et que le plan d'excentricité (53) fait avec le plan (55) qui contient l'axe de rotation (17) de l'arbre à excentrique (8) et l'axe de rotation (56) du rouleau de friction (2) un angle obtus (δ) qui est inférieur à 120°.
EP96118493A 1995-12-01 1996-11-19 Fente de séparation adjustable pour des feuilles en papier et similaire Expired - Lifetime EP0776845B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29519061U DE29519061U1 (de) 1995-12-01 1995-12-01 Einstellbare Schleuse für Papierbogen o.dgl.
DE29519061U 1995-12-01

Publications (2)

Publication Number Publication Date
EP0776845A1 EP0776845A1 (fr) 1997-06-04
EP0776845B1 true EP0776845B1 (fr) 2000-02-09

Family

ID=8016162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118493A Expired - Lifetime EP0776845B1 (fr) 1995-12-01 1996-11-19 Fente de séparation adjustable pour des feuilles en papier et similaire

Country Status (5)

Country Link
US (1) US5676365A (fr)
EP (1) EP0776845B1 (fr)
JP (1) JPH09175680A (fr)
AT (1) ATE189663T1 (fr)
DE (2) DE29519061U1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5738264A (en) * 1996-10-11 1998-04-14 Goss Graphic Systems, Inc. Automated folder nipping roller adjustment
EP1361547A3 (fr) * 1998-01-23 2005-03-30 BEB Industrie-Elektronik AG Capteur de position
DK1280725T3 (da) * 2000-05-05 2004-02-16 Avery Dennison Corp Anordning og fremgangsmåde til spænding af en flad materialebane, der skal transporteres, ved hjælp af en omdrejningstalsforskel
ITTO20020304A1 (it) * 2002-04-08 2003-10-08 Olivetti Tecnost Dispositivo di tracinamento carta per stampanti a punti,ad esempio stampanti fotografiche a getto d'inchiostro.
DE10242573B3 (de) * 2002-09-13 2004-04-08 Giesecke & Devrient Gmbh Anordnung für die Vereinzelung von Blattgut
GB0612856D0 (en) * 2006-06-28 2006-08-09 Rue De Int Ltd Document handling apparatus
US8052145B2 (en) 2006-06-28 2011-11-08 De La Rue International Limited Document handling apparatus
DE102007016589A1 (de) * 2007-04-05 2008-10-09 Böwe Systec AG Verfahren und Steuerungsschaltung zum Einstellen eines Spalts
CN101580188B (zh) * 2009-03-30 2011-05-04 长沙奥托印刷机械有限公司 混合式折页机用折辊间隙调整装置
CN102674036A (zh) * 2011-03-16 2012-09-19 旭丽电子(广州)有限公司 应用于馈入不同厚度的媒体的馈入机构及其媒体处理装置
JP5450507B2 (ja) * 2011-05-12 2014-03-26 京セラドキュメントソリューションズ株式会社 給紙機構およびそれを備えた画像形成装置
US9939064B2 (en) * 2012-11-30 2018-04-10 Kongsberg Automotive Ab Rotary shift actuator for a shift-by-wire transmission
ES2709024T3 (es) * 2015-05-19 2019-04-12 Aps Trading Ood Sistema de movimiento de rodillo de platina compacto para mecanismo de impresión térmica
WO2017107021A1 (fr) * 2015-12-21 2017-06-29 魏艳玲 Dispositif d'ajustement de l'écartement de rouleaux

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DE3412574C1 (de) * 1984-04-04 1985-10-10 Baeuerle Gmbh Mathias Bogenanleger fuer Papierverarbeitungsmaschinen mit einer auf unterschiedliche Bogendicken einstellbaren Vereinzelungsvorrichtung
JPH0742003B2 (ja) * 1988-11-28 1995-05-10 三田工業株式会社 画像形成装置の重送防止給紙装置
US5163669A (en) * 1990-10-11 1992-11-17 Bryce Office Systems, Inc. Paper feed mechanism having an adjustable restrainer
US5104112A (en) * 1990-11-21 1992-04-14 Pitney Bowes Inc. Document feeder having reversibly positioned direct drive separator assembly motor
NL9100891A (nl) * 1991-05-23 1992-12-16 Hadewe Bv Inrichting voor het afgeven van vlakke objecten die een of meer lagen omvatten.
JP2840499B2 (ja) * 1992-05-13 1998-12-24 キヤノン株式会社 自動給紙装置及び画像読取装置

Also Published As

Publication number Publication date
JPH09175680A (ja) 1997-07-08
ATE189663T1 (de) 2000-02-15
DE59604411D1 (de) 2000-03-16
DE29519061U1 (de) 1996-01-25
US5676365A (en) 1997-10-14
EP0776845A1 (fr) 1997-06-04

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