EP1213151A2 - Printing device for a paper strip and device for cutting the paper strip into printed tickets - Google Patents

Printing device for a paper strip and device for cutting the paper strip into printed tickets Download PDF

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Publication number
EP1213151A2
EP1213151A2 EP01403078A EP01403078A EP1213151A2 EP 1213151 A2 EP1213151 A2 EP 1213151A2 EP 01403078 A EP01403078 A EP 01403078A EP 01403078 A EP01403078 A EP 01403078A EP 1213151 A2 EP1213151 A2 EP 1213151A2
Authority
EP
European Patent Office
Prior art keywords
wire
fixed blade
ribbon
cutting
carriage
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.)
Withdrawn
Application number
EP01403078A
Other languages
German (de)
French (fr)
Other versions
EP1213151A3 (en
Inventor
Eric Paris
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.)
Axiohm SA
Original Assignee
Axiohm SA
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 Axiohm SA filed Critical Axiohm SA
Publication of EP1213151A2 publication Critical patent/EP1213151A2/en
Publication of EP1213151A3 publication Critical patent/EP1213151A3/en
Withdrawn legal-status Critical Current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
    • 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
    • B41J11/0005—Curl smoothing, i.e. smoothing down corrugated printing material, e.g. by pressing means acting on wrinkled printing material
    • 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
    • B41J11/0045—Guides for printing material
    • 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
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/042—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material
    • 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
    • Y10T83/7763—Tool carrier reciprocable rectilinearly
    • 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
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8822—Edge-to-edge of sheet or web [e.g., traveling cutter]
    • 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
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8841—Tool driver movable relative to tool support
    • Y10T83/8847—Screw actuated tool support

Definitions

  • the invention relates to a printing device. a paper ribbon and cutting the ribbon into printed tickets, more precisely for printers of the type comprising an elastically carried thermal print head by the chassis, a ribbon drive roller called capstan carried by the cover and parallel to the axis of articulation, the print head cooperating in service with the roller by pressing on a generator of the latter.
  • the opening devices there is a chassis and a cover, one carrying the print head and the other the capstan which therefore can be discarded one of the other to place the beginning of the ribbon between them without having use of means of introduction and conduct of this end.
  • a cutting device which can be static (cutting by pulling on the ticket) or motorized.
  • the motorized cutting device can be opened with a blade carried by the cover and a blade carried by the chassis (generally the motorized blade) or can be non-opening.
  • Static cutting devices are subject to random operation due to the intervention of the user who exercises traction more or less correctly required to detach the ticket.
  • the opening motorized cutting devices are mechanically complex and prone to frequent breakdowns taking into account the play existing between the two blades by the very fact of their possible separation.
  • non-opening cutting devices include generally means for guiding the paper upstream cutting blades that form a tunnel making it inconvenient the placement of the end of the ribbon at each change roll.
  • the present invention is a remedy for the drawbacks of all known devices, thanks to a opening printer structure and device structure non-opening cutting whose access is simplified.
  • the invention relates to a device printing a paper ribbon and cutting the ribbon in printed tickets, comprising a frame with a cover articulated on the chassis, a printer with a head thermal printing carried elastically by the chassis cooperating in service by pressing on a generator of a ribbon drive roller rotatably mounted on the cover, a cutting device downstream from the head printing in the direction of the ribbon comprising a fixed blade whose wire is parallel to the axis of the drive roller and a knife movable along the wire of the fixed blade, and means for guiding the ribbon between the printer and the cutting device, characterized in that these guide means are formed by two walls substantially parallel to the axis of the roller, one carried by the cover downstream of the roller and the other carried by the frame upstream of the fixed blade wire so as to impose a double inflection to the portion of ribbon between printer and fixed blade wire.
  • the cutting line consists by a downstream edge of the fixed wall.
  • the movable knife is then advantageously carried by a movable carriage parallel to the fixed blade wire, and the fixed blade is longer than the width of the ribbon of paper, so that the protruding part beyond the ribbon forms a waiting area for the movable knife.
  • the mobile carriage is advantageously actuated by a auger extending parallel to the edge of the blade fixed.
  • a device comprises a fixed frame 1 on which is articulated a movable chassis part forming cover 2.
  • This cover 2 closes a compartment 9 to accommodate a roll of paper tape 11.
  • the device according to the invention is equipped with a general reference printer 3, comprising a roller drive 4 of the paper, this roller being rotatably mounted around an axis 5 on the cover 2.
  • this drive roller 4 cooperates with a pivotally mounted thermal print head 6 on the fixed frame 1 around an axis 7, against a spring 8 bearing on the fixed frame 1, and exerting a bearing force of the print head 6 on the drive roller 4.
  • the paper 11 is driven by the rotation of the roller drive 4 in the direction indicated by The arrow, and is printed as it passes under the head 6.
  • the drive roller 4 is driven in rotation by a motor carried by the fixed chassis 1, not visible in the figures.
  • the link between this engine and the drive roller 4 is for example obtained by the meshing of a first pinion carried by the motor shaft and a second pinion carried by the roller drive 4 at the end of the axis, the engagement being carried out when cover 2 is closed.
  • the paper 11 is deflected by a deflecting wall 12 integral with the cover 2, folding the paper 11 towards a reference cutting means general 14.
  • This deflecting wall 12 imposes a first inflection to the paper tape 11 at the exit of the printer 3.
  • the ribbon is thus deflected towards a second deflecting wall 13 fixed, integral with chassis 1, which requires a second inflection to the paper tape 11 just upstream of the cutting means 14.
  • This cutting means 14 is carried by the fixed frame 1 and consists on the one hand of a fixed blade 15, which, in the embodiment shown here is formed by the wall fixed 13 itself, including the downstream edge (upper on the figure) forms a cutting wire 16 parallel to the axis 5 of rotation of the drive roller 4.
  • This cutting means 14 further comprises a carriage 17 mounted movable in translation in the direction of wire 16 of the blade 15 on the fixed frame 1.
  • This carriage 17 is actuated by an endless screw 18, itself actuated by a motor not shown.
  • This carriage 17 carries a movable knife 19 having here the shape of a disc, this knife 19 being rotatably mounted mad along an axis 20 substantially perpendicular to the wire 16 of the fixed blade 15.
  • a spring 22 arranged along the axis 20 presses the movable knife 19 on the wire 16 of the fixed blade 15, so that the wires of the two blades are always in contact.
  • the stroke of the carriage 17 (and therefore the length of the auger 18) is provided larger than the width of the paper tape 11 so as to spare on the fixed frame 1 a waiting location 23 to receive the carriage 17 when it is brought back to the start of the race after an operation for cutting a ticket.
  • the fixed blade 15 is also provided of sufficient length to guarantee maintenance in contact with the wires of the fixed blade 15 and the knife mobile 19 over the entire path of the carriage 17, including when the carriage 17 is positioned in the location 23.
  • the permanent contact between the two wires eliminates the knocking of the moving knife on the blade fixed, and therefore the risk of deterioration of the wires blade.
  • This waiting location 23 allows on the one hand to completely clear the useful part of wire 16 from the blade fixed 15, which facilitates the positioning of the paper 11 during a change of roller (just put the roll, pull the ribbon leader and close the cover 2). This waiting location 23 also allows to clear the passage of the drive roller 4 during opening the cover 2 to avoid any interference.
  • the limit of the volume swept by the cover 2 during its opening is schematically represented by lines dotted on the figure.
  • the double inflection allows on the one hand to stiffen the paper before it passes through such a cutting means 14, the making it able to withstand the lateral cutting forces imposed by said cutting means 14 during the translation of the movable knife 19 along the wire 16 of the fixed blade 15.
  • This effort has a component parallel to wire 16 in the direction of the translation of the movable knife 19, and the stiffening of the paper imposed by the double inflection prevents that the paper does not fold or crease under the effect of this force component parallel to wire 16 when the knife passes mobile 19.
  • the two deflector walls allow on the other hand to arrange the cutting means 14 in a position away from cover 2, so that it can be open or closed without interfering with the cutting means 14.
  • This arrangement of deflecting walls according to the invention finds an interesting application in particular in the devices in which the printer 3 is arranged so that the elastic support force of the head 6 on the drive roller 4 opposes the opening of the cover 2. Since this arrangement has the effect of giving the paper tape 11 a direction downstream of the printer 3 moving the ribbon 11 away from the means of section 14, the deflecting wall 12 then has the function additional to deflect the path of the paper tape 11 to the output of the printer 3 towards the cutting means 14. It will be noted with regard to these printers that the angle of deflection imposed on the paper by the wall 12 is relatively important, which has the effect of generating an important reaction paper due to his nervousness. This reaction is advantageous because it promotes the support of the tape on the wall 12 (which can be profiled), therefore the guiding thereof, and therefore the precision of the imposed path.
  • the carriage can be maneuvered by any equivalent means, for example of the cable type.
  • the process from the cart to the waiting location can be automatic when opening the cover 2.
  • the blade 19 can be provided integral in rotation of the pressing ring 21, all of which can be driven rotation with or without sliding with respect to the fixed blade 15.
  • the blade 19 can be fixedly mounted on the carriage 17, and may not be circular.

Abstract

The ticket machine has a printer (3), a cutter (14) and a guide (11) to carry paper strip between printer and cutter. The guide has two walls (12, 13) both parallel to the axis of a roller (4), one of the walls (12) being carried by the cover of the print unit and the other (13) by the chassis (1) to impose a double bend on part of the strip between the printer and the cutter.

Description

L'invention concerne un dispositif d'impression d'un ruban de papier et de découpe du ruban en tickets imprimés, plus précisément pour les imprimantes du type comportant une tête d'impression thermique portée élastiquement par le châssis, un rouleau d'entraínement du ruban appelé cabestan porté par le couvercle et parallèle à l'axe d'articulation, la tête d'impression coopérant en service avec le rouleau par appui sur une génératrice de ce dernier.The invention relates to a printing device. a paper ribbon and cutting the ribbon into printed tickets, more precisely for printers of the type comprising an elastically carried thermal print head by the chassis, a ribbon drive roller called capstan carried by the cover and parallel to the axis of articulation, the print head cooperating in service with the roller by pressing on a generator of the latter.

Il existe de nombreuses variantes de réalisation de ce type d'appareils imprimeurs et distributeurs de tickets imprimés que l'on peut classer en appareils fermés et appareils ouvrants.There are many variants of this type of printing and vending machine printed matter that can be classified as closed devices and devices opening.

Dans les appareils fermés, on trouve en général un capot mobile qui permet d'introduire un rouleau de ruban dans une réserve et des moyens pour conduire l'extrémité du ruban entre la tête et le cabestan et entre les deux lames du dispositif de coupe.In closed devices, there is generally a movable cover which allows to introduce a roll of tape in a reserve and means to drive the end of the ribbon between the head and the capstan and between the two blades of the cutting device.

Dans les appareils ouvrants, on trouve un châssis et un couvercle, l'un portant la tête d'impression et l'autre le cabestan qui donc peuvent être écartés l'un de l'autre pour placer le début du ruban entre eux sans avoir recours à des moyens d'introduction et de conduite de cette extrémité. On trouve en général dans ces appareils en aval de l'unité d'impression un dispositif de coupe qui peut être statique (découpe par traction sur le ticket) ou motorisé. Dans ce dernier cas, le dispositif de coupe motorisé peut être ouvrant avec une lame portée par le couvercle et une lame portée par le châssis (en général la lame motorisée) ou peut être non ouvrant.In the opening devices, there is a chassis and a cover, one carrying the print head and the other the capstan which therefore can be discarded one of the other to place the beginning of the ribbon between them without having use of means of introduction and conduct of this end. Generally found in these downstream devices of the printing unit a cutting device which can be static (cutting by pulling on the ticket) or motorized. In the latter case, the motorized cutting device can be opened with a blade carried by the cover and a blade carried by the chassis (generally the motorized blade) or can be non-opening.

Les dispositifs de coupe statiques sont sujets à un fonctionnement aléatoire du fait de l'intervention de l'usager qui exerce plus ou moins correctement la traction nécessaire au détachement du ticket.Static cutting devices are subject to random operation due to the intervention of the user who exercises traction more or less correctly required to detach the ticket.

Les dispositifs de coupe motorisés ouvrants sont complexes sur le plan mécanique et sujets à des pannes fréquentes compte-tenu des jeux existants entre les deux lames du fait même de leur possible séparation.The opening motorized cutting devices are mechanically complex and prone to frequent breakdowns taking into account the play existing between the two blades by the very fact of their possible separation.

Enfin les dispositifs de coupe non ouvrants comportent en général des moyens de guidage du papier en amont des lames de coupe qui forment un tunnel rendant malcommode la mise en place de l'extrémité du ruban à chaque changement de rouleau.Finally, the non-opening cutting devices include generally means for guiding the paper upstream cutting blades that form a tunnel making it inconvenient the placement of the end of the ribbon at each change roll.

La présente invention constitue un remède aux inconvénients de tous les dispositifs connus, grâce à une structure d'imprimante ouvrante et une structure de dispositif de coupe non ouvrant dont l'accès est simplifié.The present invention is a remedy for the drawbacks of all known devices, thanks to a opening printer structure and device structure non-opening cutting whose access is simplified.

A cet effet, l'invention a pour objet un dispositif d'impression d'un ruban de papier et de découpe du ruban en tickets imprimés, comportant un châssis avec un couvercle articulé sur le châssis, une imprimante comportant une tête d'impression thermique portée élastiquement par le châssis coopérant en service par appui sur une génératrice d'un rouleau d'entraínement du ruban monté à rotation sur le couvercle, un dispositif de coupe en aval de la tête d'impression dans le sens d'entraínement du ruban comportant une lame fixe dont le fil est parallèle à l'axe du rouleau d'entraínement et un couteau mobile le long du fil de la lame fixe , et des moyens de guidage du ruban entre l'imprimante et le dispositif de coupe, caractérisé en ce que ces moyens de guidage sont formés par deux parois sensiblement parallèles à l'axe du rouleau, l'une portée par le couvercle en aval du rouleau et l'autre portée par le châssis en amont du fil de la lame fixe de manière à imposer une double inflexion à la portion de ruban comprise entre l'imprimante et le fil de la lame fixe.To this end, the invention relates to a device printing a paper ribbon and cutting the ribbon in printed tickets, comprising a frame with a cover articulated on the chassis, a printer with a head thermal printing carried elastically by the chassis cooperating in service by pressing on a generator of a ribbon drive roller rotatably mounted on the cover, a cutting device downstream from the head printing in the direction of the ribbon comprising a fixed blade whose wire is parallel to the axis of the drive roller and a knife movable along the wire of the fixed blade, and means for guiding the ribbon between the printer and the cutting device, characterized in that these guide means are formed by two walls substantially parallel to the axis of the roller, one carried by the cover downstream of the roller and the other carried by the frame upstream of the fixed blade wire so as to impose a double inflection to the portion of ribbon between printer and fixed blade wire.

Cette double inflexion confère à la portion de ruban une raideur qui favorise l'opération de coupe car le ruban résiste alors mieux aux efforts d'entraínement latéraux qu'il subit lors du passage du couteau le long du fil de la lame fixe.This double inflection gives the portion of ribbon a stiffness which favors the cutting operation because the tape then better withstands lateral drive forces that it undergoes when the knife passes along the wire of the fixed blade.

De manière préférée, le fil de coupe est constitué par un bord aval de la paroi fixe.Preferably, the cutting line consists by a downstream edge of the fixed wall.

Ainsi, les fonctions de guidage et de coupe sont réalisées par le même élément.Thus, the guidance and cutting functions are realized by the same item.

Le couteau mobile est alors avantageusement porté par un chariot mobile parallèlement au fil de la lame fixe, et la lame fixe est de longueur supérieure à la largeur du ruban de papier, de sorte que la partie débordante au delà du ruban forme une zone d'attente du couteau mobile.The movable knife is then advantageously carried by a movable carriage parallel to the fixed blade wire, and the fixed blade is longer than the width of the ribbon of paper, so that the protruding part beyond the ribbon forms a waiting area for the movable knife.

Ainsi, le dégagement du passage pour l'amorce d'un ruban lors de sa mise en place s'obtient simplement en positionnant le couteau mobile dans la zone d'attente.Thus, the clearance of the passage for the initiation of a ribbon during its installation is obtained simply by positioning the mobile knife in the waiting area.

Le chariot mobile est avantageusement actionné par une vis sans fin s'étendant parallèlement au fil de la lame fixe.The mobile carriage is advantageously actuated by a auger extending parallel to the edge of the blade fixed.

Ainsi, le déplacement du chariot s'obtient facilement à l'aide d'un moteur actionnant la vis sans fin.Thus, the movement of the carriage is easily obtained using a motor operating the worm.

D'autres caractéristiques et avantages de l'invention apparaítront plus clairement à la lumière de la description qui suit d'un mode de réalisation particulier non limitatif de l'invention, en référence aux figures, parmi lesquelles

  • la figure 1 est une vue en coupe partielle d'un dispositif selon l'invention ;
  • la figure 2 est une vue en perspective simplifiée du même dispositif, le couvercle 2 ayant été omis.
Other characteristics and advantages of the invention will appear more clearly in the light of the following description of a particular non-limiting embodiment of the invention, with reference to the figures, among which
  • Figure 1 is a partial sectional view of a device according to the invention;
  • Figure 2 is a simplified perspective view of the same device, the cover 2 having been omitted.

En référence aux figures, un dispositif d'impression selon l'invention comprend un châssis fixe 1 sur lequel est articulée une partie de châssis mobile formant couvercle 2. Ce couvercle 2 ferme un compartiment 9 destiné à accueillir un rouleau de ruban de papier 11.With reference to the figures, a device according to the invention comprises a fixed frame 1 on which is articulated a movable chassis part forming cover 2. This cover 2 closes a compartment 9 to accommodate a roll of paper tape 11.

Le dispositif selon l'invention est équipé d'une imprimante de référence générale 3, comportant un rouleau d'entraínement 4 du papier, ce rouleau étant monté à rotation autour d'un axe 5 sur le couvercle 2. Quand le couvercle 2 est en position fermée, ce rouleau d'entraínement 4 coopère avec une tête d'impression 6 thermique montée pivotante sur le châssis fixe 1 autour d'un axe 7, à l'encontre d'un ressort 8 prenant appui sur le châssis fixe 1, et exerçant un effort d'appui de la tête d'impression 6 sur le rouleau d'entraínement 4.The device according to the invention is equipped with a general reference printer 3, comprising a roller drive 4 of the paper, this roller being rotatably mounted around an axis 5 on the cover 2. When the cover 2 is in the closed position, this drive roller 4 cooperates with a pivotally mounted thermal print head 6 on the fixed frame 1 around an axis 7, against a spring 8 bearing on the fixed frame 1, and exerting a bearing force of the print head 6 on the drive roller 4.

Le papier 11 est entraíné par la rotation du rouleau d'entraínement 4 dans le sens indiqué par La flèche, et est imprimé lors de son passage sous la tête d'impression 6. Le rouleau d'entraínement 4 est entraíné en rotation grâce à un moteur porté par le châssis fixe 1, non visible sur les figures. La liaison entre ce moteur et le rouleau d'entraínement 4 est par exemple obtenue par l'engrènement d'un premier pignon porté par l'arbre du moteur et un second pignon porté par le rouleau d'entraínement 4 en bout d'axe, l'engrènement étant réalisé quand le couvercle 2 est fermé.The paper 11 is driven by the rotation of the roller drive 4 in the direction indicated by The arrow, and is printed as it passes under the head 6. The drive roller 4 is driven in rotation by a motor carried by the fixed chassis 1, not visible in the figures. The link between this engine and the drive roller 4 is for example obtained by the meshing of a first pinion carried by the motor shaft and a second pinion carried by the roller drive 4 at the end of the axis, the engagement being carried out when cover 2 is closed.

A la sortie de l'imprimante 3, le papier 11 est dévié par une paroi déflectrice 12 solidaire du couvercle 2, rabattant le papier 11 vers un moyen de coupe de référence générale 14. Cette paroi déflectrice 12 impose une première inflexion au ruban de papier 11 à la sortie de l'imprimante 3. Le ruban est ainsi dévié vers une seconde paroi déflectrice 13 fixe, solidaire du châssis 1, qui impose une seconde inflexion au ruban de papier 11 juste en amont du moyen de coupe 14.At the exit of the printer 3, the paper 11 is deflected by a deflecting wall 12 integral with the cover 2, folding the paper 11 towards a reference cutting means general 14. This deflecting wall 12 imposes a first inflection to the paper tape 11 at the exit of the printer 3. The ribbon is thus deflected towards a second deflecting wall 13 fixed, integral with chassis 1, which requires a second inflection to the paper tape 11 just upstream of the cutting means 14.

Ce moyen de coupe 14 est porté par le châssis fixe 1 et est constitué d'une part d'une lame fixe 15, qui, dans le mode de réalisation représenté ici, est formé par la paroi fixe 13 elle-même, dont le bord aval (supérieur sur la figure) forme un fil de coupe 16 parallèle à l'axe 5 de rotation du rouleau d'entraínement 4.This cutting means 14 is carried by the fixed frame 1 and consists on the one hand of a fixed blade 15, which, in the embodiment shown here is formed by the wall fixed 13 itself, including the downstream edge (upper on the figure) forms a cutting wire 16 parallel to the axis 5 of rotation of the drive roller 4.

Ce moyen de coupe 14 comporte d'autre part un chariot 17 monté mobile en translation selon la direction du fil 16 de la lame 15 sur le châssis fixe 1. Ce chariot 17 est actionné grâce à une vis sans fin 18, elle même actionnée par un moteur non représenté.This cutting means 14 further comprises a carriage 17 mounted movable in translation in the direction of wire 16 of the blade 15 on the fixed frame 1. This carriage 17 is actuated by an endless screw 18, itself actuated by a motor not shown.

Ce chariot 17 porte un couteau mobile 19 ayant ici la forme d'un disque, ce couteau 19 étant monté à rotation folle selon un axe 20 sensiblement perpendiculaire au fil 16 de la lame fixe 15. Le fil du couteau mobile 19, constitué par le bord inférieur du disque, croise le fil 16 de la lame fixe 15 pour découper le papier par effet de ciseau. Un ressort 22 disposé selon l'axe 20 plaque le couteau mobile 19 sur le fil 16 de la lame fixe 15, de sorte que les fils des deux lames soient toujours en contact.This carriage 17 carries a movable knife 19 having here the shape of a disc, this knife 19 being rotatably mounted mad along an axis 20 substantially perpendicular to the wire 16 of the fixed blade 15. The wire of the movable knife 19, constituted by the lower edge of the disc, cross the wire 16 of the fixed blade 15 for cutting paper by scissor effect. A spring 22 arranged along the axis 20 presses the movable knife 19 on the wire 16 of the fixed blade 15, so that the wires of the two blades are always in contact.

Sur l'axe 20 est prévu une bague de pressage 21 du papier 11 sur la paroi fixe 13, plaquant le papier 11 sur ladite paroi fixe 13 pour assurer une meilleure découpe.On the axis 20 is provided a pressing ring 21 of the paper 11 on the fixed wall 13, pressing the paper 11 on said fixed wall 13 to ensure better cutting.

La course du chariot 17 (et donc la longueur de la vis sans fin 18) est prévue plus grande que la largeur du ruban de papier 11 de façon à ménager sur le châssis fixe 1 un emplacement d'attente 23 pour recevoir le chariot 17 quand celui-ci est ramené en début de course après une opération de découpage d'un ticket. La lame fixe 15 est également prévue de longueur suffisante pour garantir le maintien en contact des fils de la lame fixe 15 et du couteau mobile 19 sur tout le trajet du chariot 17, y compris lorsque le chariot 17 est positionné dans l'emplacement d'attente 23. Le contact permanent entre les deux fils élimine les à-coups d'accostage du couteau mobile sur la lame fixe, et donc les risques de détérioration des fils de lame.The stroke of the carriage 17 (and therefore the length of the auger 18) is provided larger than the width of the paper tape 11 so as to spare on the fixed frame 1 a waiting location 23 to receive the carriage 17 when it is brought back to the start of the race after an operation for cutting a ticket. The fixed blade 15 is also provided of sufficient length to guarantee maintenance in contact with the wires of the fixed blade 15 and the knife mobile 19 over the entire path of the carriage 17, including when the carriage 17 is positioned in the location 23. The permanent contact between the two wires eliminates the knocking of the moving knife on the blade fixed, and therefore the risk of deterioration of the wires blade.

Cet emplacement d'attente 23 permet d'une part de dégager complètement la partie utile du fil 16 de la lame fixe 15, ce qui facilite la mise en place du papier 11 lors d'un changement de rouleau (il suffit de mettre en place le rouleau, tirer sur l'amorce du ruban et fermer le couvercle 2). Cet emplacement d'attente 23 permet d'autre part de dégager le passage du rouleau d'entraínement 4 lors de l'ouverture du couvercle 2 pour éviter toute interférence. La limite du volume balayé par le couvercle 2 lors de son ouverture est schématiquement représentée par des traits pointillés sur la figure.This waiting location 23 allows on the one hand to completely clear the useful part of wire 16 from the blade fixed 15, which facilitates the positioning of the paper 11 during a change of roller (just put the roll, pull the ribbon leader and close the cover 2). This waiting location 23 also allows to clear the passage of the drive roller 4 during opening the cover 2 to avoid any interference. The limit of the volume swept by the cover 2 during its opening is schematically represented by lines dotted on the figure.

Les dispositions de l'invention concernant le guidage du ruban de papier 11 permettent l'utilisation de moyens de coupe non ouvrants tels que ceux décrits ici, avec le bénéfice des avantages de tels moyens. Dans de tels moyens, la lame fixe 15 et le chariot mobile 17 portant le couteau mobile 19 ne sont jamais séparés, de sorte que les jeux de fonctionnement ou les tolérances de positionnement source de mauvais fonctionnement du moyen de coupe 14 sont réduits au minimum. Il est possible également, ainsi qu'il a été dit plus haut, de garantir le maintien en contact permanent des deux fils de lame, ce qui est un facteur de longévité de leur efficacité.The provisions of the invention relating to guidance paper tape 11 allow the use of non-opening cutting means such as those described here, with the benefit of the advantages of such means. In such means, the fixed blade 15 and the mobile carriage 17 carrying the movable knife 19 are never separated, so that the operating clearances or positioning tolerances source of malfunction of the cutting means 14 are minimized. It is also possible, as it was said above, to guarantee the maintenance in contact permanent of the two blade wires, which is a factor of longevity of their effectiveness.

La double inflexion permet d'une part de raidir le papier avant son passage dans un tel moyen de coupe 14, le rendant apte à supporter les efforts latéraux de coupe imposés par ledit moyen de coupe 14 lors de la translation du couteau mobile 19 le long du fil 16 de la lame fixe 15. Cet effort a une composante parallèle au fil 16 dans le sens de la translation du couteau mobile 19, et le raidissement du papier imposé par la double inflexion permet d'éviter que le papier ne plie ou ne se froisse sous l'effet de cette composante d'effort parallèle au fil 16 au passage du couteau mobile 19. Les deux parois déflectrices permettent d'autre part d'agencer le moyen de coupe 14 dans une position éloignée du couvercle 2, de sorte que celui-ci puisse être ouvert ou fermé sans interférer avec le moyen de coupe 14. L'agencement d'un emplacement d'attente 23 dans lequel vient se positionner le chariot 17 lors de la manoeuvre du couvercle 2 permet d'ailleurs de limiter cet éloignement à la garde nécessaire pour que les éléments solidaires du couvercle 2 (en particulier le rouleau d'entraínement 4) n'interfèrent pas avec la partie fixe du moyen de coupe 14. Cette double inflexion donnée par la paroi déflectrice 12 et la paroi fixe 13 permet donc l'adaptation d'un tel moyen de coupe 14 non ouvrant à des dispositifs d'impression du type ouvrant.The double inflection allows on the one hand to stiffen the paper before it passes through such a cutting means 14, the making it able to withstand the lateral cutting forces imposed by said cutting means 14 during the translation of the movable knife 19 along the wire 16 of the fixed blade 15. This effort has a component parallel to wire 16 in the direction of the translation of the movable knife 19, and the stiffening of the paper imposed by the double inflection prevents that the paper does not fold or crease under the effect of this force component parallel to wire 16 when the knife passes mobile 19. The two deflector walls allow on the other hand to arrange the cutting means 14 in a position away from cover 2, so that it can be open or closed without interfering with the cutting means 14. The arrangement of a waiting space 23 in which comes to position the carriage 17 during the operation of the cover 2 also makes it possible to limit this distance to the necessary guard so that the integral elements of the cover 2 (in particular the drive roller 4) do not interfere with the fixed part of the cutting means 14. This double inflection given by the deflecting wall 12 and the fixed wall 13 therefore allows the adaptation of such a means cutting 14 not opening to printing devices of the opening type.

Cet agencement de parois déflectrices selon l'invention trouve une application intéressante notamment dans les dispositifs dans lesquels l'imprimante 3 est agencée pour que l'effort d'appui élastique de la tête d'impression 6 sur le rouleau d'entraínement 4 s'oppose à l'ouverture du couvercle 2. Etant donné que cet agencement a pour effet de donner au ruban de papier 11 une direction en aval de l'imprimante 3 éloignant le ruban 11 du moyen de coupe 14, la paroi déflectrice 12 a alors pour fonction supplémentaire de dévier le trajet du ruban de papier 11 à la sortie de l'imprimante 3 en direction du moyen de coupe 14. On notera à propos de ces imprimantes que l'angle de déviation imposé au papier par la paroi 12 est relativement important, ce qui a pour effet d'engendrer une réaction important du papier due à sa nervosité. Cette réaction est avantageuse car elle favorise l'appui du ruban sur la paroi 12 (qui peut être profilée), donc le guidage par celle-ci, et donc la précision du trajet imposé.This arrangement of deflecting walls according to the invention finds an interesting application in particular in the devices in which the printer 3 is arranged so that the elastic support force of the head 6 on the drive roller 4 opposes the opening of the cover 2. Since this arrangement has the effect of giving the paper tape 11 a direction downstream of the printer 3 moving the ribbon 11 away from the means of section 14, the deflecting wall 12 then has the function additional to deflect the path of the paper tape 11 to the output of the printer 3 towards the cutting means 14. It will be noted with regard to these printers that the angle of deflection imposed on the paper by the wall 12 is relatively important, which has the effect of generating an important reaction paper due to his nervousness. This reaction is advantageous because it promotes the support of the tape on the wall 12 (which can be profiled), therefore the guiding thereof, and therefore the precision of the imposed path.

L'invention n'est pas limitée au mode particulier de réalisation qui vient d'être décrit, mais bien au contraire entend couvrir toute variante qui, avec des moyens équivalents, reproduit les caractéristiques essentielles énoncées plus haut.The invention is not limited to the particular mode of realization which has just been described, but on the contrary intends to cover any variant which, with means equivalent, reproduces the essential characteristics set out above.

En particulier, le chariot peut être manoeuvré par tout moyen équivalent par exemple du type à câble. La manoeuvre du chariot vers l'emplacement d'attente peut être automatique lors de l'ouverture du couvercle 2.In particular, the carriage can be maneuvered by any equivalent means, for example of the cable type. The process from the cart to the waiting location can be automatic when opening the cover 2.

La lame 19 peut être prévue solidaire en rotation de la bague de pressage 21, le tout pouvant être entraíné à rotation avec ou sans glissement vis à vis de la lame fixe 15. En variante, la lame 19 peut être montée fixe sur le chariot 17, et peut ne pas être circulaire.The blade 19 can be provided integral in rotation of the pressing ring 21, all of which can be driven rotation with or without sliding with respect to the fixed blade 15. As a variant, the blade 19 can be fixedly mounted on the carriage 17, and may not be circular.

Claims (6)

Dispositif d'impression d'un ruban de papier (11) et de découpe du ruban en tickets imprimés, comportant un châssis (1) avec un couvercle (2) articulé sur le châssis (1), une imprimante (3) comportant une tête d'impression thermique (6) portée élastiquement par le châssis coopérant en service avec un rouleau d'entraínement (4) du ruban monté à rotation sur le couvercle (2) par appui sur une génératrice de ce rouleau, un moyen de coupe (14) en aval de la tête d'impression (6) dans le sens d'entraínement du ruban (11) comportant une lame fixe (15) dont le fil (16) est parallèle à l'axe du rouleau d'entraínement (4) et un couteau (19) mobile le long de la lame fixe (15), le fil de coupe du couteau mobile croisant le fil (16) de la lame fixe (15), et des moyens de guidage du ruban (11) entre l'imprimante (3) et le moyen de coupe (14), caractérisé en ce que ces moyens de guidage sont formés par deux parois (12,13) sensiblement parallèles à l'axe du rouleau (4), l'une (12) portée par le couvercle en aval du rouleau et l'autre (13) portée par le châssis (1) en amont du fil (16) de la lame fixe (15) de manière à imposer une double inflexion à la portion de ruban (11) comprise entre l'imprimante (3) et le fil (16) de la lame fixe (15).Device for printing a paper ribbon (11) and for cutting the ribbon into printed tickets, comprising a frame (1) with a cover (2) articulated on the frame (1), a printer (3) comprising a head thermal printing (6) carried resiliently by the chassis cooperating in service with a drive roller (4) of the tape rotatably mounted on the cover (2) by pressing on a generator of this roller, a cutting means (14 ) downstream of the print head (6) in the direction of drive of the ribbon (11) comprising a fixed blade (15) whose wire (16) is parallel to the axis of the drive roller (4) and a knife (19) movable along the fixed blade (15), the cutting wire of the mobile knife crossing the wire (16) of the fixed blade (15), and means for guiding the ribbon (11) between the printer (3) and the cutting means (14), characterized in that these guide means are formed by two walls (12, 13) substantially parallel to the axis of the roller (4), one e (12) carried by the cover downstream of the roller and the other (13) carried by the frame (1) upstream of the wire (16) of the fixed blade (15) so as to impose a double inflection on the portion ribbon (11) between the printer (3) and the wire (16) of the fixed blade (15). Dispositif selon la revendication 1, caractérisé en ce que le fil (16) de la lame fixe (15) est constitué par un bord aval de la paroi fixe (13).Device according to claim 1, characterized in that the wire (16) of the fixed blade (15) consists of a downstream edge of the fixed wall (13). Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que le couteau mobile (19) est porté par un chariot mobile (17) parallèlement au fil (16) de la lame fixe (15) et en ce que la course du chariot mobile (17) est de longueur plus importante que la largeur du ruban de papier (11), pour permettre l'agencement d'un emplacement d'attente (23) pour le chariot mobile (17).Device according to claim 1 or claim 2, characterized in that the movable knife (19) is carried by a movable carriage (17) parallel to the wire (16) of the fixed blade (15) and in that the stroke of the carriage mobile (17) is longer than the width of the paper tape (11), to allow the arrangement of a waiting location (23) for the mobile carriage (17). Dispositif selon la revendication 3, caractérisé en ce que la lame fixe (15) a une longueur suffisante pour que le fil du couteau mobile (19) soit maintenu en permanence en croisement du fil de la lame fixe (15), y compris lorsque le chariot mobile (17) est positionné dans l'emplacement d'attente (23).Device according to claim 3, characterized in that the fixed blade (15) has a sufficient length so that the wire of the movable knife (19) is kept permanently at the crossroads of the wire of the fixed blade (15), including when the mobile carriage (17) is positioned in the standby location (23). Dispositif selon la revendication 3 ou la revendication 4, caractérisé en ce que le couteau mobile (19) est une lame circulaire montée à rotation sur le chariot mobile (17) et en ce qu'une bague de pressage (21) du ruban (11) sur la paroi de guidage (13) est montée à rotation sur le chariot mobile (17).Device according to claim 3 or claim 4, characterized in that the movable knife (19) is a circular blade rotatably mounted on the movable carriage (17) and in that a pressing ring (21) of the ribbon (11 ) on the guide wall (13) is rotatably mounted on the movable carriage (17). Dispositif selon l'une des revendications 3 à 5, caractérisé en ce que le chariot mobile (17) est actionné par une vis sans fin (18) s'étendant parallèlement au fil (16) de la lame fixe (15).Device according to one of Claims 3 to 5, characterized in that the mobile carriage (17) is actuated by an endless screw (18) extending parallel to the wire (16) of the fixed blade (15).
EP01403078A 2000-12-11 2001-11-30 Printing device for a paper strip and device for cutting the paper strip into printed tickets Withdrawn EP1213151A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0016058 2000-12-11
FR0016058A FR2817796B1 (en) 2000-12-11 2000-12-11 DEVICE FOR PRINTING A PAPER TAPE AND CUTTING THE TAPE FROM PRINTED TICKETS

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EP1213151A3 EP1213151A3 (en) 2003-10-22

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US6599044B2 (en) 2003-07-29
FR2817796A1 (en) 2002-06-14
EP1213151A3 (en) 2003-10-22
FR2817796B1 (en) 2003-08-08
US20020069741A1 (en) 2002-06-13

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