EP0776845A1 - 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
EP0776845A1
EP0776845A1 EP96118493A EP96118493A EP0776845A1 EP 0776845 A1 EP0776845 A1 EP 0776845A1 EP 96118493 A EP96118493 A EP 96118493A EP 96118493 A EP96118493 A EP 96118493A EP 0776845 A1 EP0776845 A1 EP 0776845A1
Authority
EP
European Patent Office
Prior art keywords
passage gap
eccentric shaft
roller
brake roller
eccentric
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
Application number
EP96118493A
Other languages
German (de)
English (en)
Other versions
EP0776845B1 (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
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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 lock which can be set to different material thicknesses for paper sheets, paper webs, foils or the like. Materials which are each fed to a processing or processing device, the lock being between a friction roller which rotates continuously during working operation and a radial one with respect to the friction roller adjustable, axially parallel brake roller has a passage gap and an electrical switching element is present which emits a control signal for an electrical circuit when the passage gap is set to the thickness of a pattern in the passage gap.
  • a sheet feeder with a separating device is already known (DE-34 12 574 C1), which has a rotationally driven friction roller and a radially adjustable brake roller with a braking surface on its circumference.
  • the braking surface forms a wedge-shaped passage gap with the outer surface of the friction roller.
  • a frame which is radially movable with respect to the friction roller and relative to the brake roller and which has a tactile surface which can be placed on the outer surface of the friction roller in the region of the passage gap is arranged on a carrier which carries the brake roller.
  • the frame is provided with an electrical signal switch of a signal circuit which can be actuated by a feeler element sensing the position of the brake roller with respect to the sensing surface or the friction roller.
  • the signal circuit When the correct size of the passage gap is reached, the signal circuit generates an optical and / or acoustic signal controlled by the signal switch.
  • the brake roller is arranged eccentrically on an actuating shaft, the angular position of which can be fixed.
  • the invention has for its object to provide a lock of the type mentioned, the opening width set in the shortest possible time with ease of use with accuracy to a paper or other material thickness to be processed, the trouble-free operation of the lock, especially for sheet separation and removal from a stack, guaranteed.
  • the brake roller is rotatably mounted on the cylindrical eccentric of an eccentric shaft that can be driven by a first electromotive drive and can be adjusted in both directions of rotation, and when the friction roller is stationary, by a second electromotive drive with a rotational speed that is significantly higher than the adjustment speed of the brake roller can be driven via a gear part which is movable from its normal position and which actuates the switching element when the gap width to be set is reached, by whose switching signal the two electric motor drives are stopped.
  • the particular advantage that lies in the principle of operation of this solution according to the invention is that the adjustment of the passage gap of the lock to the thickness of a sheet of paper or the like does not have to be carried out by manually adjusting the friction roller or the brake roller, but that only the actuation an electrical or electronic switch or a push button is required after the paper sheet, the thickness of which the passage gap is to be adjusted, has been inserted into the passage gap.
  • a sufficiently high accuracy of the gap width can also be achieved with this solution according to the invention, so that trouble-free operation of the lock can be ensured.
  • the time required to set the width of the passage gap is also reduced to a minimum, because manual manipulations during setting are completely avoided.
  • the embodiment according to claim 2 has the advantage that it completely prevents incorrect actuation of the electrical control device because there is only a single manually operated switch.
  • the delay based on the functional principle, which exists between the gap width corresponding to the paper sheet thickness being reached and the switching signal being triggered by the switching element, can be compensated for very precisely.
  • This improvement in the setting accuracy is usually only necessary for very thin papers or foils and only if there is not a sufficiently high transmission ratio between the swiveling speed of the eccentric shaft and the rotation speed of the brake roller during the adjustment process, i.e. if the brake roller does not move much faster turns as the eccentric.
  • the device shown in the drawing is a lock which can be set to different material thicknesses for paper sheets, paper webs, foils or the like. Materials which are each fed individually to a processing or processing device with the aid of this device.
  • the lock is formed by a passage gap 1 which can be adjusted to different widths and which is between a friction roller 2 and there is a radially adjustable, axially parallel brake roller 3 with respect to the axis 56 of the friction roller 2.
  • the friction roller 2 is provided with a friction jacket 4, which, for example based on normal paper, has a significantly higher coefficient of friction than the friction jacket 5 with which the brake roller 3 is provided.
  • the friction roller 2 is seated on a shaft 6, which is driven continuously during normal working operation, that is to say separating operation, at a relatively high rotational speed, in particular peripheral speed, but which stops when the passage gap 1 has to be set to a new width.
  • the brake roller 3 is rotatably mounted on a cylindrical eccentric 7 of an eccentric shaft 8.
  • the eccentric shaft 8 is rotatably supported by means of two coaxial bearing journals 9 and 10 in stationary bearings 11 and 12, respectively.
  • the brake roller 3 is stationary. Your task is to prevent two sheets of paper from simultaneously passing the set passage gap 1.
  • the task of the rotating friction roller 2 is to transport the individual sheets of paper through the passage gap 1.
  • the brake roller 3 is provided with a hub 13, on which a worm wheel 14 is fastened, with which a worm 15 is in engagement.
  • the worm 15 is attached to a worm shaft 16, the axis 16 'of which is perpendicular to the rotational or bearing axis 17 of the eccentric shaft 8 and which is rotatable in bearings 19 and 20 and also axially movable in the direction of arrow 22 against the action of a return spring 21 is stored.
  • the two bearings 19 and 20 are mounted in a frame part which is not visible in the drawing and which in turn is mounted either on the hub 13 or on the eccentric 7 is.
  • a spur gear 23 is fixedly arranged on the worm shaft 16, on which the return spring 21 is supported, which concentrically surrounds the worm shaft 16 between this spur gear 23 and the lower bearing 20.
  • the spur gear 23 is in engagement with a pinion 24 which is fixed on the motor shaft 25 of an electric motor 26.
  • the spur gear 23 can be moved relative to the pinion 24 in the axial direction, since the axis 27 of the pinion extends axially parallel to the axis 28 of the worm shaft 16.
  • a second worm wheel 31 is mounted on a concentric section 8 ′ of the eccentric shaft 8 and is arranged concentrically to the rotational or bearing axis 17 of the eccentric shaft 8 in the axial direction with respect to the worm wheel 14.
  • This worm wheel 31 is engaged by a worm 32 which is fastened on a worm shaft 35 which is axially fixed in two bearings 33 and 34.
  • a further worm wheel 37 is fixed, which is in engagement with a worm 38, which on the motor shaft 39 is a reversible, i.e. Reversible electric motor 40 sits.
  • the brake roller 3 is on the cylindrical eccentric 7 during the pivoting movement of the eccentric shaft 8 in the closing direction driven at a much higher speed with a direction of rotation which is indicated by the arrows 42 in FIGS. 5a and 5b.
  • the opposite direction of the pivoting movement of the eccentric shaft 8 or the eccentric 7 with the brake roller 3 rotating thereon is indicated in FIGS. 4a to 4c by the arrows 43.
  • the journal 10 is not adjustable with a flat 48 but instead with one in the circumferential direction provided switching ring 52, which is fixed by means of a radial clamping screw 55 and which has a radial incision 53 ', in which the switching lever 49 of the microswitch 50 can fall when the eccentric shaft 10 is in its initial angular position shown in FIG. 4c or in FIG. 4a occupies in which the passage gap 1 has its largest, preferably set to about 1 mm width w .
  • the time required to adjust the passage gap 1 to the respectively desired width w corresponding to the thickness d of a sheet of paper or the like depends on the starting angular position from which the eccentric shaft 8 has to be pivoted in the closing direction of the arrow 43 and how is the setting angle ⁇ to be traversed. Therefore, the provision of the shift ring 52 which is adjustably fastened on the bearing pin 10 of the eccentric shaft 8 has the advantage that by changing its angular position with respect to the eccentricity plane 53, the starting angular position thereof can also be changed. At the same time, this also gives the possibility of changing the initial opening width w of the passage gap 1 and thus the setting angle ⁇ .
  • the eccentricity plane 53 is the plane 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 connected in parallel to both switching relay R and R 'in which the switching relay R contact switch r1, r2 and r3, which during the switching relay R' a total of four contact switches r'1, r'2, r '3 and r'4 .
  • the switching relay R In the circuit of the switching relay R are connected in series to each other, the switching element 51, a pushbutton switch T1, to be operated by hand, and a switching contact R'4 the switching relay R ', wherein designed as closing switch pushbutton switch T1 bridged by a self-holding contact r1 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 des 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 thus 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 adjusted 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 one described Opening process and the closing process 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 expediently self-locking engagement between the worm wheel 14 and the worm 14, which is designed to be self-locking with little tooth flank play, also has the advantage that there is no need for further locking of the brake roller 3 during normal operation.

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)
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 true EP0776845A1 (fr) 1997-06-04
EP0776845B1 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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008001056A3 (fr) * 2006-06-28 2008-04-24 Rue De Int Ltd Appareil de manipulation de documents
CN101511503B (zh) * 2006-06-28 2012-12-12 德拉鲁国际有限公司 文件处理设备
WO2017107021A1 (fr) * 2015-12-21 2017-06-29 魏艳玲 Dispositif d'ajustement de l'écartement de rouleaux
EP2132117B1 (fr) * 2007-04-05 2018-10-31 BÖWE SYSTEC GmbH Procédé et circuit de commande permettant de régler un interstice

Families Citing this family (10)

* 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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412574C1 (de) 1984-04-04 1985-10-10 Baeuerle Gmbh Mathias Bogenanleger fuer Papierverarbeitungsmaschinen mit einer auf unterschiedliche Bogendicken einstellbaren Vereinzelungsvorrichtung
EP0487326A1 (fr) * 1990-11-21 1992-05-27 Pitney Bowes Inc. Dispositif d'alimentation en feuilles muni d'un moteur d'entrainement direct, monté de façon réversible, de l'ensemble séparateur
EP0569965A1 (fr) * 1992-05-13 1993-11-18 Canon Kabushiki Kaisha Appareil d'alimentation en feuilles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
NL9100891A (nl) * 1991-05-23 1992-12-16 Hadewe Bv Inrichting voor het afgeven van vlakke objecten die een of meer lagen omvatten.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412574C1 (de) 1984-04-04 1985-10-10 Baeuerle Gmbh Mathias Bogenanleger fuer Papierverarbeitungsmaschinen mit einer auf unterschiedliche Bogendicken einstellbaren Vereinzelungsvorrichtung
EP0487326A1 (fr) * 1990-11-21 1992-05-27 Pitney Bowes Inc. Dispositif d'alimentation en feuilles muni d'un moteur d'entrainement direct, monté de façon réversible, de l'ensemble séparateur
EP0569965A1 (fr) * 1992-05-13 1993-11-18 Canon Kabushiki Kaisha Appareil d'alimentation en feuilles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008001056A3 (fr) * 2006-06-28 2008-04-24 Rue De Int Ltd Appareil de manipulation de documents
US8052145B2 (en) 2006-06-28 2011-11-08 De La Rue International Limited Document handling apparatus
CN101511503B (zh) * 2006-06-28 2012-12-12 德拉鲁国际有限公司 文件处理设备
EP2132117B1 (fr) * 2007-04-05 2018-10-31 BÖWE SYSTEC GmbH Procédé et circuit de commande permettant de régler un interstice
WO2017107021A1 (fr) * 2015-12-21 2017-06-29 魏艳玲 Dispositif d'ajustement de l'écartement de rouleaux

Also Published As

Publication number Publication date
JPH09175680A (ja) 1997-07-08
ATE189663T1 (de) 2000-02-15
DE59604411D1 (de) 2000-03-16
EP0776845B1 (fr) 2000-02-09
DE29519061U1 (de) 1996-01-25
US5676365A (en) 1997-10-14

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