EP0196580B1 - Dispositif pour couper des bandes - Google Patents

Dispositif pour couper des bandes Download PDF

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Publication number
EP0196580B1
EP0196580B1 EP19860103937 EP86103937A EP0196580B1 EP 0196580 B1 EP0196580 B1 EP 0196580B1 EP 19860103937 EP19860103937 EP 19860103937 EP 86103937 A EP86103937 A EP 86103937A EP 0196580 B1 EP0196580 B1 EP 0196580B1
Authority
EP
European Patent Office
Prior art keywords
cutting
cutting wheel
wheel
cutting device
slide
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
EP19860103937
Other languages
German (de)
English (en)
Other versions
EP0196580A2 (fr
EP0196580A3 (en
Inventor
Hans-Joachim Wysk
Dieter Stellmach
Bernhard Nolte
Gerd Gronwald
Werner Mädge
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.)
Digital Kienzle Computersysteme GmbH and Co KG
Original Assignee
Mannesmann Kienzle 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 Mannesmann Kienzle GmbH filed Critical Mannesmann Kienzle GmbH
Publication of EP0196580A2 publication Critical patent/EP0196580A2/fr
Publication of EP0196580A3 publication Critical patent/EP0196580A3/de
Application granted granted Critical
Publication of EP0196580B1 publication Critical patent/EP0196580B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • B41J11/706—Applications of cutting devices cutting perpendicular to the direction of paper feed using a cutting tool mounted on a reciprocating carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/20—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member
    • B26D1/205—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7755—Carrier for rotatable tool movable during cutting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8776—Constantly urged tool or tool support [e.g., spring biased]
    • Y10T83/8778—Ledger blade

Definitions

  • the invention relates to a cutting device for a form web which is arranged on a printing carriage of a printer with a cutting wheel fastened to a pivotable lever which can be driven by the movement of the printing head carriage and can be adjusted to a stationary counter knife, the cutting wheel being raised from an ineffective by a control device and retracted position is lowered into a cutting position and advanced position and the cutting wheel is held in the cutting position by a spring in contact with the shear bar.
  • a cutting device for form webs is described in DE-GM 78 12 759.
  • a control part pushes a cutting wheel from a retracted, ineffective position, in which the pressure is normally applied, into an advanced, lowered position, in which the cutting process is carried out.
  • the cutting device is connected to the printing unit and the cutting movement of the cutting wheel is derived from the movement of the printing carriage relative to the printing base.
  • the control part is controlled on the one hand by stops fixed to the housing from the ineffective into the effective position, at the same time there are lead-in slopes or the like on the printing pad which ensure that the cutting wheel is brought into the contact position with the shear bar.
  • the arrangement of special, fixed stops for actuating the control part and special bevels for making the cutting wheel effective in the cutting position requires considerable effort.
  • the cutting device referred to at the outset is known from FR-A-2 389 300.
  • the prior art comprises a cutting device, the cutting wheel being brought by a control device from an ineffective, raised and retracted position into a position lowered and advanced into the cutting position, and the cutting wheel is held in the cutting position by a spring in contact with the shear bar.
  • a control device In addition to the suspension of the cutting wheel on a pivotable lever, such a solution requires a multi-armed control lever which interacts on the one hand with the pivotable lever and on the other hand with a control rod extending in the direction of movement.
  • the known device is relatively complicated and requires considerable space. The space used there is not available in many printers.
  • control device for moving the cutting wheel from the ineffective, raised position into the effective cutting position to improve, in particular to simplify.
  • the invention has the additional object of holding the form webs in such a way that avoidance of the form webs at the beginning and at the end of the cutting process is avoided.
  • control device consists of a slide with at least two cam guides, the first cam guide bringing the cutting wheel from the raised to the lowered position, and the second cam guide bringing the cutting wheel from the retracted to the advanced position and then released by the force of the spring mentioned.
  • the slide receives its control movement through interaction with the lateral limits which limit the movement of the pressure carriage.
  • the use of the slider with the cam guides as a control device has the advantage that the cutting wheel can be moved easily and that this the latter is held against the shear bar only under the low force of a relatively weak spring.
  • the slightly resilient abutment of the cutting wheel compensates for any tolerances in the slide guide and reduces wear on the cutting wheel.
  • a second cam guide which gives the cutting wheel its movement from the retracted into the advanced position, while the cutting wheel is raised and lowered via a first cam guide, the movements of the cutting wheel being superimposed by the first and second cam guides, that the cutting wheel is guided around the sharp shearbar on the printing pad as it moves.
  • the control device acts independently of the cutting wheel on holding rollers which are arranged on both sides of the cutting wheel.
  • the holding rollers are preferably arranged on a scale lever which adjusts itself automatically in the holding position.
  • FIG. 1 reveals two guide axes 3 and 4 for a printing carriage 5 are arranged between two lateral boundary plates 1 and 2.
  • the print head 6 which stands with its mouthpiece 7 directly in front of the printing pad 8 and prints on the form web 9.
  • the cutting device 10 is attached to the printing carriage 5 so that the cutting wheel 11 with a cutting edge 20 - see also FIG. 6 - can cooperate on the printing pad 8.
  • the ink ribbon cassette which consists of two parts, 13a and 13b, between which the ink ribbon 14 is stretched in front of the printing pad 8 is also fixed between the lateral boundary boards 1 and 2.
  • the ribbon 14 is guided to guide it on the one hand around the guide bolts 15 and 16, on the other hand, it lies in front of the mouthpiece 7, i. H. in front of the openings through which the printing needles of the printing unit 6 emerge.
  • FIG. 2 the cutting device in the position in which the cutting wheel 11 is in its inactive position, in which the print head 6, 7 thus acts on the form webs 9, which are fed on the printing pad 8.
  • a shear bar 20 is attached to the front of the printing pad 8, which cooperates with the cutting wheel 11 and causes the form web 9 to be sheared off with appropriate control.
  • FIG. 3 shows the cutting device 10 in the active position, ie in the position in which the cutting wheel 11 interacts with the counter cutting edge 20 in order to cause individual sections of the form web 9 to be sheared off.
  • a support member 21 supports the entire parts of the cutting device 10. As FIG. 5 shows, the support member 21 is a bow-shaped, angled part, which has angled tabs 22, 23, 24 and 45 at the front and rear. Laterally, the support member 21 is provided with bends 25 and 26, which have the task of storing and guiding the various active parts of the cutting device.
  • the control device comprises a slide 28 which is held and guided with its two ends in the angled tabs 25, 26 of the supporting part 21.
  • the slide 28 has two stop beads 29 and 30 which limit its displacement movement. With its two ends 31 and 32, the slider 28 abuts the lateral boundary splatinen 1 and 2 of the movement of the printing carriage 5, whereby the cutting wheel 11 is adjusted into the effective or ineffective position.
  • the slider 28 has a penetration 33, a curve guide 34, a penetration 35 and a third curve guide 36.
  • the penetration 33 and the curve guide 34 serve to control the cutting wheel 11, the curve guide 36 to control the cold roller set 37.
  • the cutting wheel 11 is by means of a Bolt 38 rotatably mounted on a lever 39.
  • the lever 39 is connected to an axis 40 which is rotatably and axially displaceably mounted in the angled tabs 22 and 24 of the holding part 21.
  • a spring 41 acts on the axis 40, on the lever 39 and thus on the cutting wheel 11 in such a way that the cutting wheel 11 rests elastically on the shearbar 20 in the active position, as is shown, for example, in FIG. 6 shows.
  • the slider 28 is provided with a bend 42 in the area of the penetration 33, a curve follower 43 being arranged on the axis 40, as can be seen in particular from FIG. 4 results.
  • the parts 33, 42, 43 together form the second curve guide, which serves to move the cutting wheel 11 back and forth.
  • the axis 40 follows the cam follower 43 and the bend 42 in the slide 28 of this movement, so that the cutting wheel 11 is moved from a retracted, ineffective position to an advanced, effective position. It should be noted here that, as shown in FIG.
  • the first cam guide 34 is also provided, in which the bolt 38 engages on the cutting wheel 11.
  • the shape of the curve guide 34 according to FIG. 5 shows that the cutting wheel 11 is also raised and lowered by the slider 28.
  • the curve guide 33 with the bend 42 therefore has the function of moving the cutting wheel 11 back and forth while the curve guide 34 has the function of raising and lowering the cutting wheel 11. In the advanced, lowered position, the cutting wheel 11 is effective, in the retracted, raised position, the cutting wheel 11 is ineffective.
  • the control device consisting of the slide 28, not only controls the lifting and lowering and moving back and forth of the cutting wheel 11 into and out of the cutting position, but also controls a holding device 37, which has the function of the form webs 9 in front and to keep behind the cutting wheel 11 and which is controlled independently of the cutting wheel 11.
  • the slide 28 is provided with a further penetration 35 and a curve guide 36.
  • a control lever 44 is mounted between the angled tab 23 and a further angled tab 45 of the holding part 21 on an axis 46.
  • a spring 47 influences the control lever 44 in FIG. 5 counterclockwise. It should be noted that the penetration 35 in the slide 28 is only penetrated by the shaft 46, but no control function is exerted on the lever 44.
  • the control function is performed by the cam guide 36, which ensures that the control lever 44 moves a balance lever 48 from an inactive position, for example according to FIG. 2, in an effective position according to FIG. 3 can pivot.
  • the balance lever 48 is pivotally mounted on a pin 49 on the control lever 44 and carries two front and rear holding rollers 50, 51, 52 and 53. It should be noted that the axis 38 of the cutting wheel 11 is coaxial with the bearing pin 49 of the balance lever 48. As a result, the two holding rollers 50, 51 on the one hand the cutting position, the two holding rollers 52 and 53 on the other hand the cutting position of the cutting roller 11 are arranged.
  • the inner rollers 51, 52 are provided with a more elastic support than the outer rollers 50, 53.
  • FIG. 6 in a sectional view. It can be seen that the cutting wheel 11 only bears against the cutting edge of the shear bar 20 under the very slight pull of the spring 41.
  • FIG. 7 shows in an enlarged view the movement of the cutting wheel 11 from the raised, retracted position according to FIG. 2 in the effective, lowered position.
  • the dashed line shows that the cutting wheel 11 is advanced and lowered by the two cam guides 33 and 34.
  • No additional bevels or switching pins on the printer itself are required to carry out the movement. Rather, the switching takes place only by the interaction of the two ends 31 and 32 of the slide 28 with the two lateral limiting boards 1 and 2. If it is not to be cut, only the control of the printer carriage 5 must take place in such a way that the movement reversal before reaching the limiting boards 1 and 2 is done.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handling Of Sheets (AREA)

Claims (9)

  1. Dispositif de coupe pour une bande de formulaires qui est disposée sur un chariot de tête d'impression (5) d'une imprimante, avec un couteau circulaire (11) fixé sur un levier pivotant (39), qui peut être entraîné par le mouvement du chariot de tête d'impression (5) et être mis en contact avec une contre-lame stationnaire (20), le couteau circulaire (11) pouvant être amené, par un dispositif de commande, d'une position soulevée et retirée, inefficace dans une position abaissée et avancée prévue pour la coupe et ledit couteau circulaire (11) étant maintenu, dans la position de coupe, par un ressort (41), appuyé sur la contre-lame (20), caractérisé par le fait
    que le dispositif de commande est constitué d'un coulisseau (28) avec au moins deux guidages à came, le premier guidage à came (34) amenant le couteau circulaire (11) de la position soulevée dans la position abaissée et le deuxième guidage à came (33, 42, 43) amenant ledit couteau circulaire (11) de la position retirée dans la position avancée pour le débloquer ensuite par la force du ressort (41) susmentionné.
  2. Dispositif de coupe selon la revendication 1, caractérisé par le fait
    que le coulisseau (28) reçoit son mouvement de commande par la coopération avec les platines limitatives latérales (1, 2) limitant le mouvement du chariot de tête d'impression (5).
  3. Dispositif de coupe selon la revendication 1, caractérisé par le fait
    que l'axe (38) du couteau circulaire (11) est soulevé et abaissé par le premier guidage à came (34) du coulisseau (28), de telle sorte que les déplacement du couteau circulaire (11) par le premier et deuxième guidage à came (34; 33, 42, 43) soient superposés l'un à l'autre.
  4. Dispositif de coupe selon la revendication 1, caractérisé par le fait
    que le dispositif de commande actionne des rouleaux de retenue (50 à 53) montés indépendamment du couteau circulaire (11) pour la bande de formulaires (17), lesquels agissent, de part et d'autre du couteau circulaire (11), sur ladite bande de formulaires.
  5. Dispositif de coupe selon la revendication 4, caractérisé par le fait
    que les rouleaux de retenue (50 à 53) sont disposés sur un levier de balance (48) qui se place automatiquement en position de retenue.
  6. Dispositif de coupe selon la revendication 5, caractérisé par le fait
    que respectivement deux rouleaux de retenue (50 à 53) sont disposés de part et d'autre du couteau circulaire (11).
  7. Dispositif de coupe selon la revendication 6, caractérisé par le fait
    que les rouleaux de retenue (51, 52) disposés au voisinage du couteau circulaire (11) sont équipés d'un revêtement plus élastique que les rouleaux de retenue externes (50, 53).
  8. Dispositif de coupe selon la revendication 5, caractérisé par le fait
    que le levier de balance (48) est déplacé, par l'intermédiaire d'un levier de commande (44) de la position retirée, inefficace dans la position efficace.
  9. Dispositif de coupe selon la revendication 6, caractérisé par le fait
    que le levier de commande (44) est actionné par l'intermédiaire d'un troisième guidage à came (36) du coulisseau (28).
EP19860103937 1985-03-27 1986-03-22 Dispositif pour couper des bandes Expired - Lifetime EP0196580B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853510995 DE3510995A1 (de) 1985-03-27 1985-03-27 Schneideinrichtung fuer formularbahnen
DE3510995 1985-03-27

Publications (3)

Publication Number Publication Date
EP0196580A2 EP0196580A2 (fr) 1986-10-08
EP0196580A3 EP0196580A3 (en) 1989-01-11
EP0196580B1 true EP0196580B1 (fr) 1991-10-16

Family

ID=6266404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860103937 Expired - Lifetime EP0196580B1 (fr) 1985-03-27 1986-03-22 Dispositif pour couper des bandes

Country Status (3)

Country Link
US (1) US4701063A (fr)
EP (1) EP0196580B1 (fr)
DE (1) DE3510995A1 (fr)

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JP2796720B2 (ja) * 1988-09-16 1998-09-10 エヌシーアール インターナショナル インコーポレイテッド 記録紙切断装置
JPH0292660A (ja) * 1988-09-16 1990-04-03 Ncr Corp プリンタ装置におけるペーパ切断制御装置
US5025725A (en) * 1989-07-21 1991-06-25 Seiko Instruments, Inc. Double paper cut system for printer mechanism
NL8902710A (nl) * 1989-11-02 1991-06-03 Audion Elektro Bv Inrichting voor het openen van de ene laag van een buisvormige materiaalbaan.
US5066153A (en) * 1990-03-12 1991-11-19 Genicom Corporation Paper shear for printer
DE4042486C2 (de) * 1990-08-31 1994-10-06 Data Techno Gmbh Druckvorrichtung mit Thermodruckkopf
US5303626A (en) * 1990-11-09 1994-04-19 Canon Kabushiki Kaisha Cutting apparatus
JPH0544592U (ja) * 1991-11-26 1993-06-15 武藤工業株式会社 プロツタにおける用紙自動切断装置
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US5363123A (en) * 1992-07-14 1994-11-08 Hewlett-Packard Company Cutter drive for a computer driven printer/plotter
JP2541151B2 (ja) * 1994-05-16 1996-10-09 日本電気株式会社 紙切断装置
NL9500398A (nl) * 1995-03-01 1996-10-01 Oce Nederland Bv Inrichting voor het afsnijden van een vel van een baan ontvangstmateriaal.
US20040119829A1 (en) * 1997-07-15 2004-06-24 Silverbrook Research Pty Ltd Printhead assembly for a print on demand digital camera system
US5882128A (en) * 1997-09-02 1999-03-16 Hewlett-Packard Company Self-adjusting wheel for directly positioning and holding media during a cutting operation in a printer
FR2774937B1 (fr) * 1998-02-13 2000-05-05 Technologie Services Dispositif de coupe de plaques en materiaux divers se presentant sous la forme de feuilles
US6315474B1 (en) * 1998-10-30 2001-11-13 Hewlett-Packard Company Automatic paper cutter for large format printer
US6807888B1 (en) * 1999-05-13 2004-10-26 Canon Finetech Inc. Recording material cutting device
US6554511B2 (en) * 2001-02-27 2003-04-29 Hewlett-Packard Development Co. Media cutter and slicer mechanism for a printer
US6550363B2 (en) * 2001-04-10 2003-04-22 Cai Bai He Extendible compound miter saw
JP2003341163A (ja) * 2002-03-20 2003-12-03 Seiko Epson Corp 記録媒体の切断装置及び記録装置
DE20212425U1 (de) 2002-08-13 2003-12-24 Psi Printer Systems International Gmbh Drucker mit einer Schneidvorrichtung für Papierbahnen
US20050268802A1 (en) * 2004-06-02 2005-12-08 Charles Evans Printer for cutting patterns in paper
NL1026445C2 (nl) * 2004-06-17 2005-12-20 Holding Aldipro B V Inrichting voor het telkens afsnijden van een vel baanmateriaal.
JP4830599B2 (ja) * 2005-07-12 2011-12-07 セイコーエプソン株式会社 印刷システム、印刷装置、印刷データ生成装置およびプログラム、切断指示データ生成装置およびプログラム、印刷プログラム、および印刷方法
DE102007019864B4 (de) * 2007-04-23 2011-06-22 KOENIG & BAUER Aktiengesellschaft, 97080 Längsperforationsvorrichtungen für eine Rollenrotationsdruckmaschine mit mindestens einem Perforiermesser
JP2012135971A (ja) * 2010-12-27 2012-07-19 Seiko Epson Corp 液体吐出装置、及び、液体吐出方法
JP6880895B2 (ja) * 2017-03-24 2021-06-02 セイコーエプソン株式会社 記録装置
JP2018176395A (ja) * 2017-04-21 2018-11-15 セイコーエプソン株式会社 切断装置および印刷装置
CN116061572B (zh) * 2023-02-13 2024-02-23 珠海芯烨电子科技有限公司 切刀组件、切刀安装组件及打印机

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Also Published As

Publication number Publication date
EP0196580A2 (fr) 1986-10-08
US4701063A (en) 1987-10-20
EP0196580A3 (en) 1989-01-11
DE3510995A1 (de) 1986-10-09
DE3510995C2 (fr) 1987-08-06

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