EP1254769A1 - Pad printing machine equipped with a device for the marking of spectacle lenses - Google Patents

Pad printing machine equipped with a device for the marking of spectacle lenses Download PDF

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Publication number
EP1254769A1
EP1254769A1 EP02354071A EP02354071A EP1254769A1 EP 1254769 A1 EP1254769 A1 EP 1254769A1 EP 02354071 A EP02354071 A EP 02354071A EP 02354071 A EP02354071 A EP 02354071A EP 1254769 A1 EP1254769 A1 EP 1254769A1
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EP
European Patent Office
Prior art keywords
buffering
glasses
machine according
actuator
plate
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Granted
Application number
EP02354071A
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German (de)
French (fr)
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EP1254769B1 (en
Inventor
Henri Dominico Demarchi
Joseph Naccarato
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TECOPTIQUE
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TECOPTIQUE
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Publication of EP1254769A1 publication Critical patent/EP1254769A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/001—Pad printing apparatus or machines

Definitions

  • stamping machines known for marking vision glasses require manual change of shots for each type of lens. The result multiple manipulations, which lengthen preparation times, and impose a great visual attention when choosing pictures.
  • the object of the invention is to provide a stamping machine for glasses vision, with reduced longitudinal dimensions, and with automatic and reliable selection clichés which avoid multiple manual replacements risking bad manipulation.
  • the different inking units are identical, and distributed in pairs in equal numbers on two sides of the double magazine, the units inking superimposed on the same side being assigned for the lenses of the right eye, and those on the other side for the glasses of the left eye.
  • the first actuator comprises a gearmotor coupled to a screw movement transformation mechanism and nut extending in a vertical direction, the direction of bidirectional drive of the store up or down being controlled by reversing the supply of the engine.
  • the second actuator comprises a jack attachment for gripping the two selected pictures, and a jack actuator intended to push the plates horizontally between two positions horizontal adapted to the output and re-entry of the photos.
  • the work table is equipped with a slide support for a pair of glasses for the left eye and the right eye respectively, two gripping elements with suction cups being provided for holding vacuum glasses during transfer and stamping operations.
  • a stamping machine 10 for glasses vision comprises a fixed frame 12 on which is mounted vertically sliding a movable frame 14 of a magazine 16 intended for the storage of a plurality of inking units 18.
  • the vertical displacement of the magazine 16 is operated by means of a first actuator 20 comprising a geared motor 22 coupled to a mechanism for transforming movement with screw 24 and nut 26.
  • the screw 24 extends in a vertical direction, and the direction of bidirectional drive from store 16 on the up or down controlled by reversing the motor supply.
  • the different inking units 18 are identical and distributed at regular intervals and in pairs in equal number on two sides of the magazine 16 double.
  • the different units inking 18 superimposed on the same side are assigned for the lenses of the right eye, and those on the other side for the glasses of the left eye.
  • Each inking unit 18 is composed of an engraved plate 28, of a plate support 30 mobile mounted on horizontal guide rails, of a fixed inkwell 32 mounted on a inkstand 34.
  • the engraved plate 28 is formed by a stainless steel plate in the upper face from which engravings representative of the landmarks to be affixed were made the glasses.
  • Inkwell 32 is filled with ink, and the open port is mounted in position reversed on the upper engraved part of the photograph 30.
  • the open orifice of the inkwell 32 is delimited by an annular collar provided with a scraper segment (not shown) intended to rest on plate 30.
  • the fixed frame 12 additionally carries a work table 36 arranged horizontally in front of the magazine 16, and connected by two horizontal crosspieces 38 to the chassis 12.
  • the table work 36 is equipped with a slide 38 supporting a pair of OG and OD glasses for the left eye and the right eye respectively.
  • a jack 40 makes it possible to move the slide 38 between a rest position (in strong lines in FIG. 9) allowing the fitting appropriate glasses, and a working position suitable for buffering (see arrow F figure 8).
  • the positioning zones A and B indicated in dotted lines on the Figure 8 on the work table 36 correspond to the buffering.
  • Slide 38 additionally comprises two gripping elements 42 with suction cups for holding by depression of OG and OD glasses during transfer and stamping operations.
  • the buffering device 44 associated with a vision system 46 with two CDD cameras.
  • the buffering device 44 is fixed to the frame 12 by two crosspieces 47, and comprises a pair of buffers 48 in silicone, intended to recover the ink from plate 28, and to restore it on the OG glasses and OD.
  • Each buffer 48 is actuated in the height direction by means of a jack 50 movable between a low position and a raised position ( Figure 9).
  • the CDD camera of the vision system 46 is fixed by an arm 52 to the buffering device 44, so as to be positioned just above the gripping elements 42 with suction cups when the latter are in the rest position.
  • Such a system known per se allows detection of hidden markings on OG and OD lenses and positioning manual.
  • the selection of one or a pair of inking units 18 of a predetermined level of the store 16 is fully automated by means of an associated keyboard (not shown) to a machine integrated controller 10 for input of measurement parameters and ordered.
  • a machine integrated controller 10 for input of measurement parameters and ordered.
  • a barcode reader or an external control unit, for example a computer.
  • a second actuator 54 comprising a latching cylinder 56 for gripping the two shots 28 selected, and an actuating cylinder 58 intended to push horizontally the shots 28 between two positions C and D ( Figure 9).
  • the attachment cylinder 56 (FIG. 7) comprises an articulated clamp 60 connected to a yoke 62 mobile of the jack, and provided at its opposite end with a jaw 64 intended to grip the movable plate support 30.
  • the actuating cylinder 58 is disposed above the latching cylinder 56, and pushes the pair of plates 28 when the jaw 64 is closed, until the engraved part shots 28 slides outside the two inkwells 32.
  • the engravings are then filled with ink, and the transfer of ink to the OD, OG glasses to be stamped can then be operated.
  • the plates 28 are in position C, the orifice of the inkwell 32 being in face of the engraved part.
  • the straight OD glass is held by vacuum on the suction cup left.
  • the correct positioning of the glass on the gripping element 42 is checked thanks to the CDD camera of the vision system 46 which visualizes the LCD 62 hidden markings on the glass. Then comes the positioning of the left lens OG on the right suction cup, followed by vacuum blocking with the same control of positioning by vision system 46.
  • the second actuator 54 pushes towards position D and allows the exit of the pair of photos 28 selected (only one is visible).
  • the engraved part of the pictures 28 is in the open, and only the engravings are filled with ink.
  • the two buffers 48 are actuated by the jack 50 towards the position low, to recover the ink stored in the engravings of the two photos 28, these the latter are always in position D.
  • the two buffers 48 are actuated by the jack 50 towards the position identified.
  • the attachment cylinder 56 of the second actuator 54 causes the return shots to position C, positioning the engraved part under the inkwells 32.
  • the jack 40 causes the slide 38 to move on the table. work 36, to position the two glasses OG, OD under the two pads 48.
  • the two buffers 48 are actuated by the jack 50 towards the position low, and make the marking on the two glasses OG, OD.
  • the jack 40 causes the slide 38 to return to the work table 36, to position the two glasses OG, OD in the original position. Depression in the gripping elements 42 is interrupted, followed by the recovery of the glasses buffered.
  • the previously described embodiment relates to a double vertical magazine 16 allowing the two OD and OG glasses to be worked simultaneously on the work table 36.

Landscapes

  • Printing Methods (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Eyeglasses (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Road Signs Or Road Markings (AREA)
  • Adornments (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

The marker (10), especially for spectacle lenses, consists of inking units (18) with engraved plates, inkers, marking pads, a working table (36) with suction grippers 42) and a viewer (46). It has a series of inking units (18) set at regular vertical intervals along a magazine (16) which slides vertically on a fixed frame (12), a first actuator (20) to position at least one inking unit at a predetermined level between the working table and viewer, and a second actuator to provide relative movement of a selected plate in relation to an inker.

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention est relative à une machine de tamponnage, notamment pour des verres de vision, comportant:

  • une pluralité d'unités d'encrage comprenant chacune un cliché gravé avec une rainure spécifique, un encrier rempli d'encre en étant monté en position renversée sur la partie supérieure du cliché, et un dispositif de tamponnage ayant au moins un tampon pour récupérer l'encre stockée dans la gravure du cliché, et l'apposer sur les verre,
  • une table de travail équipée d'éléments de préhension à dépression pour les verres à tamponner,
  • un système de vision placé au-dessus de la table de travail pour la détection du marquage caché et le positionnement correct des verres avant le tamponnage,
  • et des moyens de commande des différents cycles de tamponnage des verres.
The invention relates to a stamping machine, in particular for vision glasses, comprising:
  • a plurality of inking units each comprising a plate engraved with a specific groove, an ink pad filled with ink while being mounted in the inverted position on the upper part of the plate, and a stamping device having at least one stamp for recovering the ink stored in the engraving of the photograph, and affix it on the glass,
  • a work table equipped with vacuum gripping elements for the glasses to be stamped,
  • a vision system placed above the work table for the detection of the hidden marking and the correct positioning of the glasses before buffering,
  • and means for controlling the various glass buffering cycles.

Etat de la techniqueState of the art

II existe de plus en plus de types de verres à vision progressive, avec des dessins ou des marquages différents qui nécessitent une multitude de clichés. There are more and more types of progressive vision glasses, with designs or different markings that require a multitude of shots.

Certaines machines de tamponnage connus pour le marquage des verres de vision nécessitent un changement manuel des clichés pour chaque type de verres. Il en résulte des manipulations multiples, qui rallongent les temps de préparation, et imposent une grande attention visuelle lors du choix des clichés.Certain stamping machines known for marking vision glasses require manual change of shots for each type of lens. The result multiple manipulations, which lengthen preparation times, and impose a great visual attention when choosing pictures.

Il existe également des machines de tamponnage à muticlichés et automatisées par un robot contrôlé par un ordinateur. L'encombrement longitudinal est important, et il n'est pas possible de travailler simultanément sur des deux verres de l'oeil gauche et de l'oeil droit.There are also multi-plate and automatic buffering machines robot controlled by a computer. Longitudinal space is important, and it is not not possible to work simultaneously on two glasses of the left eye and the eye law.

Objet de l'inventionSubject of the invention

L'objet de l'invention consiste à réaliser une machine de tamponnage pour des verres de vision, ayant un encombrement longitudinal réduit, et à sélection automatique et fiable des clichés qui évite les remplacements multiple manuels risquant de mauvaises manipulations.The object of the invention is to provide a stamping machine for glasses vision, with reduced longitudinal dimensions, and with automatic and reliable selection clichés which avoid multiple manual replacements risking bad manipulation.

Le dispositif selon l'invention est caractérisé en ce que:

  • les différentes unités d'encrage sont réparties et stockées verticalement à intervalles réguliers le long d'un magasin, lequel est monté à coulissement vertical sur un châssis fixe,
  • un premier actionneur assure la montée et la descente du magasin (16) pour positionner au moins une unité d'encrage à un niveau prédéterminé situé entre la table de travail et le système de vision,
  • un deuxième actionneur assure un déplacement relatif du cliché de ladite unité d'encrage sélectionnée par rapport à l'encrier fixe pour assurer le transfert d'encre de la gravure du cliché vers le tampon correspondant.
The device according to the invention is characterized in that:
  • the various inking units are distributed and stored vertically at regular intervals along a magazine, which is mounted to slide vertically on a fixed frame,
  • a first actuator ensures the raising and lowering of the magazine (16) to position at least one inking unit at a predetermined level located between the work table and the vision system,
  • a second actuator ensures a relative displacement of the plate of said selected inking unit relative to the fixed inkwell to ensure the transfer of ink from the engraving of the plate to the corresponding buffer.

Selon une caractéristique de l'invention, les différentes unités d'encrage sont identiques, et réparties par paires en nombre égal sur deux côtés du magasin double, les unités d'encrage superposées d'un même côté étant affectées pour les verres de l'oeil droit, et celles de l'autre côté pour les verres de l'oeil gauche.According to a characteristic of the invention, the different inking units are identical, and distributed in pairs in equal numbers on two sides of the double magazine, the units inking superimposed on the same side being assigned for the lenses of the right eye, and those on the other side for the glasses of the left eye.

Selon une caractéristique de l'invention, le premier actionneur comporte un motoréducteur accouplé à un mécanisme de transformation de mouvement à vis et écrou s'étendant selon une direction verticale, le sens d'entraínement bidirectionnel du magasin à la montée ou à la descente étant commandé par inversion de l'alimentation du moteur.According to a characteristic of the invention, the first actuator comprises a gearmotor coupled to a screw movement transformation mechanism and nut extending in a vertical direction, the direction of bidirectional drive of the store up or down being controlled by reversing the supply of the engine.

Selon une autre caractéristique de l'invention, le deuxième actionneur comporte un vérin d'accrochage pour la préhension des deux clichés sélectionnés, et un vérin d'actionnement destiné à pousser horizontalement les clichés entre deux positions horizontales adaptées à la sortie et à la rentrée des clichés. According to another characteristic of the invention, the second actuator comprises a jack attachment for gripping the two selected pictures, and a jack actuator intended to push the plates horizontally between two positions horizontal adapted to the output and re-entry of the photos.

Selon un mode de réalisation préférentiel, la table de travail est équipée d'un coulisseau de support d'une paire de verres pour l'oeil gauche et l'oeil droit respectivement, deux éléments de préhension à ventouses étant prévus pour le maintien par dépression des verres lors des opérations de transfert et de tamponnage.According to a preferred embodiment, the work table is equipped with a slide support for a pair of glasses for the left eye and the right eye respectively, two gripping elements with suction cups being provided for holding vacuum glasses during transfer and stamping operations.

Description sommaire des dessinsBrief description of the drawings

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode de réalisation de l'invention donné à titre d'exemple non limitatif, et représenté aux dessins annexés, dans lesquels:

  • la figure 1 est une vue en élévation de la machine de tamponnage selon l'invention;
  • la figure 2 montre une vue de profil de la machine de la figure 1;
  • la figure 3 représente une vue en plan de la figure 1,;
  • la figure 4 représente une vue en plan de la figure 3;
  • la figure 5 es une vue de profil du châssis de la machine;
  • la figure 6 est une arrière de la figure 1, le magasin étant représentant en pointillé dans la position de fin de course haute;
  • la figure 7 montre une vue du vérin d'accrochage du deuxième actionneur, le mors de la pince étant représenté en position débloquée dans la demi-vue supérieure, et dans la position agrippée dans la demi-vue inférieure;
  • les figures 8 à 9A sont respectivement des vues en plan, de profil et en élévation du dispositif de tamponnage sur la table de travail;
  • les figures 10 à 18 montrent les différentes étapes successives de tamponnage des verres.
Other advantages and characteristics will emerge more clearly from the description which follows of an embodiment of the invention given by way of nonlimiting example, and represented in the appended drawings, in which:
  • Figure 1 is an elevational view of the buffering machine according to the invention;
  • Figure 2 shows a side view of the machine of Figure 1;
  • Figure 3 shows a plan view of Figure 1;
  • Figure 4 shows a plan view of Figure 3;
  • Figure 5 is a side view of the machine chassis;
  • Figure 6 is a rear of Figure 1, the magazine being representative in dotted line in the upper end position;
  • Figure 7 shows a view of the attachment cylinder of the second actuator, the jaw of the clamp being shown in the unlocked position in the upper half-view, and in the gripped position in the lower half-view;
  • FIGS. 8 to 9A are respectively plan, side and elevation views of the buffering device on the work table;
  • Figures 10 to 18 show the different successive stages of buffering the glasses.

Description d'un mode de réalisation préférentiel.Description of a preferred embodiment.

En référence aux figures 1 à 10, une machine de tamponnage 10 pour des verres de vision, comporte un châssis 12 fixe sur lequel est monté à coulissement vertical un cadre mobile 14 d'un magasin 16 destiné au stockage d'une pluralité d'unités d'encrage 18.Referring to Figures 1 to 10, a stamping machine 10 for glasses vision, comprises a fixed frame 12 on which is mounted vertically sliding a movable frame 14 of a magazine 16 intended for the storage of a plurality of inking units 18.

Le déplacement vertical du magasin 16 est opéré au moyen d'un premier actionneur 20 comprenant un motoréducteur 22 accouplé à un mécanisme de transformation de mouvement à vis 24 et écrou 26. La vis 24 s'étend selon une direction verticale, et le sens d'entraínement bidirectionnel du magasin 16 à la montée ou à la descente est commandé par inversion de l'alimentation du moteur.The vertical displacement of the magazine 16 is operated by means of a first actuator 20 comprising a geared motor 22 coupled to a mechanism for transforming movement with screw 24 and nut 26. The screw 24 extends in a vertical direction, and the direction of bidirectional drive from store 16 on the up or down controlled by reversing the motor supply.

Les différentes unités d'encrage 18 sont identiques et réparties à intervalles réguliers et par paires en nombre égal sur deux côtés du magasin 16 double. Les différentes unités d'encrage 18 superposées d'un même côté sont affectées pour les verres de l'oeil droit, et celles de l'autre côté pour les verres de l'oeil gauche.The different inking units 18 are identical and distributed at regular intervals and in pairs in equal number on two sides of the magazine 16 double. The different units inking 18 superimposed on the same side are assigned for the lenses of the right eye, and those on the other side for the glasses of the left eye.

Chaque unité d'encrage 18 est composée d'un cliché 28 gravé, d'un support de cliché 30 mobile monté sur des rails de guidage horizontal, d'un encrier 32 fixe monté sur un support d'encrier 34.Each inking unit 18 is composed of an engraved plate 28, of a plate support 30 mobile mounted on horizontal guide rails, of a fixed inkwell 32 mounted on a inkstand 34.

Le cliché 28 gravé est formée par une plaque d'acier inoxydable dans la face supérieure de laquelle ont été réalisées des gravures représentatives des repères à apposer sur les verres. L'encrier 32 est rempli d'encre, et l'orifice ouvert est monté en position renversée sur la partie supérieure gravée du cliché 30. L'orifice ouvert de l'encrier 32 est délimité par une collerette annulaire dotée d'un segment racleur (non représenté) destiné à prendre appui sur le cliché 30.The engraved plate 28 is formed by a stainless steel plate in the upper face from which engravings representative of the landmarks to be affixed were made the glasses. Inkwell 32 is filled with ink, and the open port is mounted in position reversed on the upper engraved part of the photograph 30. The open orifice of the inkwell 32 is delimited by an annular collar provided with a scraper segment (not shown) intended to rest on plate 30.

Le châssis 12 fixe porte en plus une table de travail 36 agencée horizontalement devant le magasin 16, et reliée par deux traverses 38 horizontales au châssis 12. La table de travail 36 est équipée d'un coulisseau 38 de support d'une paire de verres OG et OD pour l'oeil gauche et l'oeil droit respectivement. Un vérin 40 permet de déplacer le coulisseau 38 entre une position de repos (en traits forts sur la figure 9) permettant la mise en place des verres appropriés, et une position de travail adaptée au tamponnage (voir flèche F figure 8). Les zones de positionnement A et B indiquées en pointillé sur la figure 8 sur la table de travail 36 correspondent au tamponnage. Le coulisseau 38 comporte en plus deux éléments de préhension 42 à ventouses pour le maintien par dépression des verres OG et OD lors des opérations de transfert et de tamponnage.The fixed frame 12 additionally carries a work table 36 arranged horizontally in front of the magazine 16, and connected by two horizontal crosspieces 38 to the chassis 12. The table work 36 is equipped with a slide 38 supporting a pair of OG and OD glasses for the left eye and the right eye respectively. A jack 40 makes it possible to move the slide 38 between a rest position (in strong lines in FIG. 9) allowing the fitting appropriate glasses, and a working position suitable for buffering (see arrow F figure 8). The positioning zones A and B indicated in dotted lines on the Figure 8 on the work table 36 correspond to the buffering. Slide 38 additionally comprises two gripping elements 42 with suction cups for holding by depression of OG and OD glasses during transfer and stamping operations.

Au-dessus de la table de travail 36 se trouve le dispositif de tamponnage 44 associé à un système de vision 46 avec deux caméras CDD. Le dispositif de tamponnage 44 est fixé au châssis 12 par deux traverses 47, et comporte une paire de tampons 48 en silicone, destinés à récupérer l'encre du cliché 28, et à la restituer sur les verres OG et OD. Chaque tampon 48 est actionné dans le sens de la hauteur au moyen d'un vérin 50 déplaçable entre une position basse et une position relevée (figure 9). La caméra CDD du système de vision 46 est fixée par un bras 52 au dispositif de tamponnage 44, de manière à être positionnée juste au-dessus des éléments de préhension 42 à ventouses lorsque ces derniers se trouvent en position de repos. Un tel système connu en soi permet la détection du marquage caché sur les verres OG et OD et un positionnement manuel.Above the work table 36 is the buffering device 44 associated with a vision system 46 with two CDD cameras. The buffering device 44 is fixed to the frame 12 by two crosspieces 47, and comprises a pair of buffers 48 in silicone, intended to recover the ink from plate 28, and to restore it on the OG glasses and OD. Each buffer 48 is actuated in the height direction by means of a jack 50 movable between a low position and a raised position (Figure 9). The CDD camera of the vision system 46 is fixed by an arm 52 to the buffering device 44, so as to be positioned just above the gripping elements 42 with suction cups when the latter are in the rest position. Such a system known per se allows detection of hidden markings on OG and OD lenses and positioning manual.

La sélection d'une ou de la paire d'unités d'encrage 18 d'un niveau prédéterminé du magasin 16 est entièrement automatisée au moyen d'un clavier (non représenté) associé à un automate intégré à la machine 10 pour l'entrée des paramètres de mesure et de commande. Pour le fonctionnement de ce système d'ascenseur, il est également possible d'utiliser un lecteur de code à barres, ou une unité de commande extérieure, par exemple un ordinateur.The selection of one or a pair of inking units 18 of a predetermined level of the store 16 is fully automated by means of an associated keyboard (not shown) to a machine integrated controller 10 for input of measurement parameters and ordered. For the operation of this elevator system, it is also possible to use a barcode reader, or an external control unit, for example a computer.

Après la sélection d'une ou de la paire d'unités d'encrage 18, intervient la phase d'encrage des clichés 28 suite à un déplacement relatif en translation horizontale par rapport aux encriers 32 correspondants.After the selection of one or a pair of inking units 18, the phase of inking the plates 28 following a relative displacement in horizontal translation by compared to the corresponding inkwells 32.

Le mouvement de translation d'une paire de clichés 28 intervient au moyen d'un deuxième actionneur 54 comprenant un vérin d'accrochage 56 pour la préhension des deux clichés 28 sélectionnés, et un vérin d'actionnement 58 destiné à pousser horizontalement les clichés 28 entre deux positions C et D (figure 9).The translational movement of a pair of plates 28 takes place by means of a second actuator 54 comprising a latching cylinder 56 for gripping the two shots 28 selected, and an actuating cylinder 58 intended to push horizontally the shots 28 between two positions C and D (Figure 9).

Le vérin d'accrochage 56 (figure 7) comporte une pince 60 articulée reliée à une chape 62 mobile du vérin, et pourvue à son extrémité opposée d'un mors 64 destiné à agripper le support de cliché 30 mobile.The attachment cylinder 56 (FIG. 7) comprises an articulated clamp 60 connected to a yoke 62 mobile of the jack, and provided at its opposite end with a jaw 64 intended to grip the movable plate support 30.

Le vérin d'actionnement 58 est disposé au-dessus du vérin d'accrochage 56, et pousse la paire de clichés 28 lors de la fermeture du mors 64, jusqu'à ce que la partie gravée des clichés 28 glisse à l'extérieur des deux encriers 32. Les gravures sont alors remplies d'encre, et le transfert d'encre vers les verres OD, OG à tamponner peut alors être opéré.The actuating cylinder 58 is disposed above the latching cylinder 56, and pushes the pair of plates 28 when the jaw 64 is closed, until the engraved part shots 28 slides outside the two inkwells 32. The engravings are then filled with ink, and the transfer of ink to the OD, OG glasses to be stamped can then be operated.

Les différentes étapes de tamponnage sont illustrées sur les figures 10 à 18:The different buffering steps are illustrated in Figures 10 to 18:

Sur la figure 10, les clichés 28 se trouvent en position C, l'orifice de l'encrier 32 étant en face de la partie gravée. Le verre droit OD est maintenu par dépression sur la ventouse gauche. Le bon positionnement du verre sur l'élément de préhension 42 est contrôlé grâce à la caméra CDD du système de vision 46 qui visualise vers un écran LCD 62 les marquages cachés sur le verre. Puis intervient le positionnement du verre gauche OG sur la ventouse droite, suivi du blocage par dépression avec le même contrôle de positionnement au moyen du système de vision 46.In FIG. 10, the plates 28 are in position C, the orifice of the inkwell 32 being in face of the engraved part. The straight OD glass is held by vacuum on the suction cup left. The correct positioning of the glass on the gripping element 42 is checked thanks to the CDD camera of the vision system 46 which visualizes the LCD 62 hidden markings on the glass. Then comes the positioning of the left lens OG on the right suction cup, followed by vacuum blocking with the same control of positioning by vision system 46.

Sur la figure 11, le deuxième actionneur 54 pousse vers la position D et permet la sortie de la paire de clichés 28 sélectionnés (un seul est visible). La partie gravée des clichés 28 se trouve à l'air libre, et seules les gravures sont remplies d'encre.In FIG. 11, the second actuator 54 pushes towards position D and allows the exit of the pair of photos 28 selected (only one is visible). The engraved part of the pictures 28 is in the open, and only the engravings are filled with ink.

Sur la figure 12, les deux tampons 48 sont actionnés par le vérin 50 vers la position basse, pour récupérer l'encre stockée dans les gravures des deux clichés 28, ces derniers se trouvent toujours dans la position D.In FIG. 12, the two buffers 48 are actuated by the jack 50 towards the position low, to recover the ink stored in the engravings of the two photos 28, these the latter are always in position D.

Sur la figure 13, les deux tampons 48 sont actionnés par le vérin 50 vers la position relevée. In FIG. 13, the two buffers 48 are actuated by the jack 50 towards the position identified.

Sur la figure 14, le vérin d'accrochage 56 du deuxième actionneur 54 provoque le retour des clichés vers la position C, en positionnant la partie gravée sous les encriers 32.In FIG. 14, the attachment cylinder 56 of the second actuator 54 causes the return shots to position C, positioning the engraved part under the inkwells 32.

Sur la figure 15, le vérin 40 provoque le déplacement du coulisseau 38 sur la table de travail 36, pour positionner les deux verres OG, OD sous les deux tampons 48.In FIG. 15, the jack 40 causes the slide 38 to move on the table. work 36, to position the two glasses OG, OD under the two pads 48.

Sur la figure 16, les deux tampons 48 sont actionnés par le vérin 50 vers la position basse, et font le marquage sur les deux verres OG, OD.In FIG. 16, the two buffers 48 are actuated by the jack 50 towards the position low, and make the marking on the two glasses OG, OD.

Sur la figure 17 est opérée la remontée des deux tampons 48 vers la position relevée.In FIG. 17, the two buffers 48 are raised to the raised position.

Sur la figure 18, le vérin 40 provoque le retour du coulisseau 38 sur la table de travail 36, pour positionner les deux verres OG, OD en position d'origine. La dépression dans les éléments de préhension 42 est interrompue, suivie de la récupération des verres tamponnés.In FIG. 18, the jack 40 causes the slide 38 to return to the work table 36, to position the two glasses OG, OD in the original position. Depression in the gripping elements 42 is interrupted, followed by the recovery of the glasses buffered.

Le mode de réalisation précédemment décrit concerne un magasin 16 vertical double permettant de travailler simultanément les deux verres OD, OG sur la table de travail 36.The previously described embodiment relates to a double vertical magazine 16 allowing the two OD and OG glasses to be worked simultaneously on the work table 36.

Il est clair que l'invention s'applique également à un magasin vertical simple ayant une seule colonne d'unités d'encrage superposées, permettant de travailler sur un seul verre à la fois.It is clear that the invention also applies to a simple vertical store having a single column of superimposed inking units, allowing to work on a single glass at a time.

Claims (10)

Machine de tamponnage (10), notamment pour des verres de vision, comportant: une pluralité d'unités d'encrage (18) comprenant chacune un cliché (28) gravé avec une rainure spécifique, un encrier (32) rempli d'encre en étant monté en position renversée sur la partie supérieure du cliché (28), et un dispositif de tamponnage (44) ayant au moins un tampon (48) pour récupérer l'encre stockée dans la gravure du cliché (28), et l'apposer sur les verre (OD, OG), une table de travail (36) équipée d'éléments de préhension (42) à dépression pour les verres à tamponner, un système de vision (46) placé au-dessus de la table de travail (36) pour la détection du marquage caché et le positionnement correct des verres avant le tamponnage, et des moyens de commande des différents cycles de tamponnage des verres,    caractérisée en ce que: différentes unités d'encrage (18) sont réparties et stockées verticalement à intervalles réguliers le long d'un magasin (16), lequel est monté à coulissement vertical sur un châssis (12) fixe, un premier actionneur (20) assure la montée et la descente du magasin (16) pour positionner au moins une unité d'encrage (18) à un niveau prédéterminé situé entre la table de travail (36) et le système de vision (46), un deuxième actionneur (54) assure un déplacement relatif du cliché (28) de ladite unité d'encrage (18) sélectionnée par rapport à l'encrier (32) fixe pour assurer le transfert d'encre de la gravure du cliché (28) vers le tampon (48) correspondant. Stamping machine (10), in particular for vision glasses, comprising: a plurality of inking units (18) each comprising a plate (28) engraved with a specific groove, an ink pad (32) filled with ink while being mounted in the inverted position on the upper part of the plate (28), and a stamping device (44) having at least one stamp (48) for recovering the ink stored in the engraving of the plate (28), and affixing it to the glass (OD, OG), a work table (36) fitted with vacuum gripping elements (42) for the glasses to be stamped, a vision system (46) placed above the work table (36) for the detection of the hidden marking and the correct positioning of the glasses before buffering, and means for controlling the various glass buffering cycles, characterized in that : different inking units (18) are distributed and stored vertically at regular intervals along a magazine (16), which is mounted to slide vertically on a fixed frame (12), a first actuator (20) raises and lowers the magazine (16) to position at least one inking unit (18) at a predetermined level located between the work table (36) and the vision system (46) , a second actuator (54) ensures relative movement of the plate (28) of said selected inking unit (18) relative to the fixed inkwell (32) to ensure the transfer of ink from the engraving of the plate (28) to the corresponding buffer (48). Machine de tamponnage selon la revendication 1, caractérisée en ce que le premier actionneur (20) comporte un motoréducteur (22) accouplé à un mécanisme de transformation de mouvement à vis (24) et écrou (26).Buffering machine according to claim 1, characterized in that the first actuator (20) comprises a geared motor (22) coupled to a movement transformation mechanism with screw (24) and nut (26). Machine de tamponnage selon la revendication 2, caractérisée en ce que la vis (24) s'étend selon une direction verticale, le sens d'entraínement bidirectionnel du magasin (16) à la montée ou à la descente étant commandé par inversion de l'alimentation du moteur.Buffering machine according to claim 2, characterized in that the screw (24) extends in a vertical direction, the direction of bidirectional drive of the magazine (16) up or down being controlled by reversing the motor supply. Machine de tamponnage selon la revendication 1, caractérisée en ce que le deuxième actionneur (54) comporte un vérin d'accrochage (56) pour la préhension des deux clichés (28) sélectionnés, et un vérin d'actionnement (58) destiné à pousser horizontalement les clichés (28) entre deux positions C et D horizontales adaptées à la sortie et à la rentrée des clichés (28).Buffering machine according to claim 1, characterized in that the second actuator (54) comprises a latching cylinder (56) for gripping the two selected plates (28), and an actuating cylinder (58) intended to push horizontally the plates (28) between two horizontal positions C and D adapted to the output and re-entry of the plates (28). Machine de tamponnage selon la revendication 4, caractérisée en ce que le vérin d'accrochage (56) comporte une pince (60) articulée reliée à une chape (62) mobile dudit vérin, et pourvue à son extrémité opposée d'un mors (64) destiné à agripper un support de cliché (30) mobile. Buffering machine according to claim 4, characterized in that the attachment cylinder (56) comprises an articulated clamp (60) connected to a yoke (62) movable of said cylinder, and provided at its opposite end with a jaw (64 ) intended to grip a movable plate support (30). Machine de tamponnage selon la revendication 4, caractérisée en ce que le vérin d'actionnement (58) est disposé au-dessus du vérin d'accrochage (56), et pousse les clichés (28) lors de la fermeture du mors (64), jusqu'à ce que la partie gravée des clichés (28) glisse à l'extérieur des deux encriers (32).Buffering machine according to claim 4, characterized in that the actuating cylinder (58) is arranged above the attachment cylinder (56), and pushes the plates (28) when the jaw is closed (64) , until the engraved part of the plates (28) slides outside the two inkwells (32). Machine de tamponnage selon l'une des revendications 1 à 6, caractérisée en ce que les différentes unités d'encrage (18) sont identiques, et réparties par paires en nombre égal sur deux côtés du magasin (16) double, les unités d'encrage (18) superposées d'un même côté étant affectées pour les verres de l'oeil droit, et celles de l'autre côté pour les verres de l'oeil gauche.Stamping machine according to one of claims 1 to 6, characterized in that the different inking units (18) are identical, and distributed in pairs in equal number on two sides of the double magazine (16), the units inking (18) superimposed on the same side being assigned for the glasses of the right eye, and those on the other side for the glasses of the left eye. Machine de tamponnage selon la revendication 7, caractérisée en ce que la table de travail (36) est équipée d'un coulisseau (38) de support d'une paire de verres (OG et OD) pour l'oeil gauche et l'oeil droit respectivement.Buffering machine according to claim 7, characterized in that the work table (36) is equipped with a slide (38) for supporting a pair of glasses (OG and OD) for the left eye and the eye right respectively. Machine de tamponnage selon la revendication 8, caractérisée en ce que le coulisseau (38) comporte en plus deux éléments de préhension (42) à ventouses pour le maintien par dépression des verres (OG et OD) lors des opérations de transfert et de tamponnage. Buffering machine according to claim 8, characterized in that the slide (38) additionally comprises two gripping elements (42) with suction cups for holding the glasses by vacuum (OG and OD) during the transfer and buffering operations. Machine de tamponnage selon la revendication 7, caractérisée en ce que le dispositif de tamponnage (44) comporte une paire de tampons (48) en silicone actionnés dans le sens de la hauteur au moyen d'un vérin (50) déplaçable entre une position basse et une position relevée pour assurer ledit transfert d'encre.Buffering machine according to claim 7, characterized in that the buffering device (44) comprises a pair of silicone buffers (48) actuated in the height direction by means of a jack (50) movable between a low position and a raised position to ensure said ink transfer.
EP02354071A 2001-05-04 2002-04-26 Pad printing machine equipped with a device for the marking of spectacle lenses Expired - Lifetime EP1254769B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0106061A FR2824293B1 (en) 2001-05-04 2001-05-04 BUFFERING MACHINE PROVIDED WITH A DEVICE FOR MARKING VISION GLASSES
FR0106061 2001-05-04

Publications (2)

Publication Number Publication Date
EP1254769A1 true EP1254769A1 (en) 2002-11-06
EP1254769B1 EP1254769B1 (en) 2007-06-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02354071A Expired - Lifetime EP1254769B1 (en) 2001-05-04 2002-04-26 Pad printing machine equipped with a device for the marking of spectacle lenses

Country Status (5)

Country Link
EP (1) EP1254769B1 (en)
AT (1) ATE365633T1 (en)
DE (1) DE60220851T2 (en)
ES (1) ES2289067T3 (en)
FR (1) FR2824293B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873051A1 (en) * 2004-07-19 2006-01-20 Tecoptique Sarl BUFFER AND APPARATUS FOR OPHTHALMIC LENS AND STAMPING PROCESS
EP2444248A1 (en) * 2010-10-19 2012-04-25 Teca-Print AG Tampon printing press and method for at least two-stage printing of an object
CN105835549A (en) * 2016-03-23 2016-08-10 凌云工业股份有限公司 Adjustable universal type marking station
CN109130479A (en) * 2018-10-26 2019-01-04 珠海市嘉德电能科技有限公司 A kind of coding transfer printing equipment
CN109296653A (en) * 2018-10-11 2019-02-01 嘉善苏尼电子科技有限公司 A kind of self-lubricating bearing granular graphite automatic assembling machine of view-based access control model identification

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2543476B1 (en) 2011-07-04 2014-03-05 Automation & Robotics Apparatus and method for clamping and handling ophthalmic lenses

Citations (2)

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Publication number Priority date Publication date Assignee Title
US6123021A (en) * 1998-12-09 2000-09-26 Cameron; Robert Multiple color printer for printing on small objects
DE19913322A1 (en) * 1999-03-24 2000-10-05 Tampoprint Gmbh Plug printing machine for transferring ink from block to object has first transport device for block holder/inking device, second for plug; first and/or second transport device is linear motor

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US6123021A (en) * 1998-12-09 2000-09-26 Cameron; Robert Multiple color printer for printing on small objects
DE19913322A1 (en) * 1999-03-24 2000-10-05 Tampoprint Gmbh Plug printing machine for transferring ink from block to object has first transport device for block holder/inking device, second for plug; first and/or second transport device is linear motor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873051A1 (en) * 2004-07-19 2006-01-20 Tecoptique Sarl BUFFER AND APPARATUS FOR OPHTHALMIC LENS AND STAMPING PROCESS
WO2006018491A1 (en) * 2004-07-19 2006-02-23 Tecoptique Stamp and device for stamping ophthalmic glasses and stamping method
EP2444248A1 (en) * 2010-10-19 2012-04-25 Teca-Print AG Tampon printing press and method for at least two-stage printing of an object
CN105835549A (en) * 2016-03-23 2016-08-10 凌云工业股份有限公司 Adjustable universal type marking station
CN105835549B (en) * 2016-03-23 2018-07-27 凌云工业股份有限公司 A kind of adjustable universal type mark station
CN109296653A (en) * 2018-10-11 2019-02-01 嘉善苏尼电子科技有限公司 A kind of self-lubricating bearing granular graphite automatic assembling machine of view-based access control model identification
CN109296653B (en) * 2018-10-11 2023-07-14 浙江图元智能装备科技有限公司 Self-lubricating bearing graphite grain automatic assembly machine based on visual identification
CN109130479A (en) * 2018-10-26 2019-01-04 珠海市嘉德电能科技有限公司 A kind of coding transfer printing equipment

Also Published As

Publication number Publication date
ES2289067T3 (en) 2008-02-01
EP1254769B1 (en) 2007-06-27
FR2824293B1 (en) 2003-06-13
DE60220851D1 (en) 2007-08-09
ATE365633T1 (en) 2007-07-15
DE60220851T2 (en) 2008-02-14
FR2824293A1 (en) 2002-11-08

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