EP2236296A1 - Apparatus and method for marking or labelling - Google Patents

Apparatus and method for marking or labelling Download PDF

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Publication number
EP2236296A1
EP2236296A1 EP10157283A EP10157283A EP2236296A1 EP 2236296 A1 EP2236296 A1 EP 2236296A1 EP 10157283 A EP10157283 A EP 10157283A EP 10157283 A EP10157283 A EP 10157283A EP 2236296 A1 EP2236296 A1 EP 2236296A1
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EP
European Patent Office
Prior art keywords
cradle
carriage
axis
marking
translation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10157283A
Other languages
German (de)
French (fr)
Other versions
EP2236296B1 (en
Inventor
Florent Demange
Marco Paita
Philippe Demond
David Mandon
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.)
Illinois Tool Works Inc
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Illinois Tool Works Inc
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Classifications

    • 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
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
    • B41F17/18—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on curved surfaces of articles of varying cross-section, e.g. bottles, lamp glasses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0872—Machines for printing on articles having essentially cylindrical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/16—Printing tables
    • B41F15/18—Supports for workpieces
    • B41F15/30—Supports for workpieces for articles with curved surfaces
    • 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
    • B41F17/002—Supports of workpieces in machines for printing on hollow articles
    • 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
    • B41F17/28—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on curved surfaces of conical or frusto-conical articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C3/00—Labelling other than flat surfaces
    • B65C3/06—Affixing labels to short rigid containers
    • B65C3/08—Affixing labels to short rigid containers to container bodies
    • B65C3/10—Affixing labels to short rigid containers to container bodies the container being positioned for labelling with its centre-line horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/02—Devices for moving articles, e.g. containers, past labelling station
    • B65C9/04—Devices for moving articles, e.g. containers, past labelling station having means for rotating the articles
    • B65C9/045—Devices for moving articles, e.g. containers, past labelling station having means for rotating the articles adapted for accommodating articles of different diameters, e.g. for adapting the program of rotation to the diameter of the articles

Definitions

  • the invention relates to a machine for marking or labeling parts of revolution, as well as a method of using such a machine for marking or labeling an at least partially frustoconical part.
  • the movement of the cradle must be modified to allow support without sliding of the outer surface of the part against the marking tape.
  • the setting in motion of this carriage requires precise adjustments of its mechanical drive devices, these settings to be redone with each change of room geometry to be marked. Given the inertia of the parts moved in rotation, the chassis and the drive rollers of the carriage undergo significant stresses that significantly reduce their service life.
  • the trajectory of the support is an arcuate trajectory imposed by the moving mechanical members
  • the loading and unloading stations of the parts to be marked on the cradle must be inclined so that the longitudinal axes of the parts lying in these loading and unloading stations are aligned on spokes passing through the center of rotation of the connecting rod.
  • the manipulator arm used for the loading the parts on the cradle is relatively complex and must be adapted to each configuration of use.
  • a multi-axis polymorphic robot to move a frustoconical piece relative to a marking punch.
  • the trajectories of a multiaxis robot are not as accurate as those obtained by means of a carriage moved in translation or in rotation.
  • the parts are generally held cantilever, so that they may deform under the radial load exerted by the marking punch.
  • a multi-axis robot is an expensive material, especially if you compare its price to the maximum load that can move.
  • the invention intends to remedy more particularly by proposing a new machine which allows a marking or a reliable and effective labeling of pieces of revolution, whether they are cylindrical or frustoconical.
  • This machine is characterized in that it further comprises means for driving the carriage, in translation along a third direction perpendicular to the first and second directions, and means for driving the cradle with respect to the carriage, in rotation around a first axis parallel to the first direction.
  • the means for driving the carriage in translation in the third direction and the means for driving the cradle in rotation relative to the carriage make it possible to follow the cradle a path that may have a portion in a circular arc. compatible with the marking or the laying of a label on a frustoconical part of the part, while maintaining the advantage of simplicity and reliability of a drive of the carriage only by translational movements.
  • the machine is a hot stamping machine
  • the marking member is a heating punch
  • the marking member is an inked screen.
  • a third embodiment of the invention is a label laying machine from a width and the body is a device commonly called "saber" which is able to apply a label against each piece to be labeled.
  • Such a method thus makes it possible to carry out the marking or the laying of a label on a frustoconical part, in a particularly reliable manner.
  • the trajectory of the cradle followed in step b) comprises at least one rectilinear portion parallel to the second direction and located before or after the arcuate portion, whereas, when in the loading and / or unloading, the cradle takes or holds the piece in a position where the projection of its axis of revolution, on a plane containing the second and third directions, is parallel to the third direction.
  • the cradle is oriented relative to the carriage and around an axis perpendicular to the first direction, so that the external generatrix of the part of the part being marked or labeling is parallel to an active surface of the marking or labeling member.
  • the machine 2 shown in the figures is used for hot stamping parts of revolution 4 which, in the example, are product bottles. cosmetic having a frustoconical shape over a substantial part of their length.
  • the machine 2 is suitable for hot stamping cylindrical parts, totally frustoconical or partially frustoconical.
  • the machine 2 comprises a punch 6 which is heated by means not shown and known per se, such as electrical resistances, and which is movable by a pneumatic jack 8, in a vertical direction D 6 .
  • Other linear actuators can be used in place of the cylinder 8.
  • the machine 2 also includes a cradle 12 for supporting one of the parts 4 being marked.
  • the vertical offset between the punch 6 and the cradle 12 is exaggerated to allow viewing of certain parts of the machine.
  • the Figures 1 to 3 represent several bottles 4 in several positions within the machine 2, to show different positions taken by a bottle during its movement between a station 14 for loading the bottles on the cradle 12 and an unloading station 16.
  • the cradle 12 carries a single vial at a time and another vial can be prepositioned in the loading station 14, while a last vial is in the unloading station, for example for a control operation.
  • a not shown spool comprises a quantity of a marking tape 20 which flows from this spool to a reel, also not shown, of collecting the ribbon after use.
  • Referring rollers 22 make it possible to define the path of the ribbon 20 between the punch 6 and a part 4 supported by the cradle 12.
  • the portion 20a of the ribbon 20 situated between the flat rollers 22 circulates in a direction D 20 perpendicular to the direction D 6 .
  • the cradle 12 comprises two plates 30 and 32 between which is arranged a brushless motor 34 whose output shaft 36 is connected by a belt 38 to a pulley 40 which drives, through a bearing 42, a mandrel 44 for holding the a piece 4.
  • This mandrel rotates about an axis X 44 parallel to the axes of rotation of the shaft 36 and the pulley.
  • a plate 46 is mounted movably relative to the plates 30 and 32, in a direction which is parallel to the axes of rotation of the motor 34 and the pulley 40 and the X axis 44 .
  • a pneumatic cylinder 48 makes it possible to control the position of the plate 46 with respect to the plates 30 and 32.
  • the plate 46 supports a bracket 50 on which is mounted a support 51 which carries a sleeve 52 intended to cooperate with the end of a bottle 4 which is not in engagement with the mandrel 44.
  • the movement of the parts 46 to 52 parallel to the X axis 44 makes it possible to exert a force of pinch between the mandrel 44 and the sleeve 52, which allows to hold a piece 4 by its two ends, under the punch 6, when it is appropriate to mark this piece by transfer from the ribbon 20.
  • the cradle 12 which includes the parts 30 to 52, is used to move each piece or bottle 4 between the loading station 14 and the unloading station 16, while ensuring its drive in rotation about the X axis 44 which is then coincides with the axis of revolution X 4 of the part 4 supported by the cradle 12.
  • the X 4 and X 44 axes are substantially horizontal, being inclined with respect to a horizontal plane of an angle equal to half -angle at the top of the frustoconical part of the room 4.
  • the cradle 12 also comprises a plate 53 which extends between the plates 30 and 32. This plate is secured to a pin 54, which is cylindrical and of circular section and which extends along an axis X 54 parallel to the direction D 6 . The end of the pin 54 opposite the plate is provided with a pinion 56 for driving in rotation the pin 54 and the assembly of the cradle 12 in rotation about the X axis 54 , as represented by the double curved arrow R 1 to the figure 5 .
  • the cradle 12 is mounted on a carriage 60, while the pin 54 is inserted into a corresponding recess 62 provided on the carriage 60 and in which protrudes a not shown conical pinion mounted on the output shaft of a brushless motor 64 secured to the carriage 60.
  • the motor 64 rotates about the axis X 54 and with respect to the carriage 60, the cradle 12.
  • the pin 54 may be devoid of the pinion 56 and introduced into a hollow shaft forming the output of a wheel / screw gearbox mounted on the output of the motor 64.
  • the X axis 54 is intersecting with the axis of revolution X 4 of each piece 4 held by the cradle 12.
  • the carriage 60 is itself mounted on a plate 66 integral with a nut 68 mounted on a threaded rod 70 driven in rotation by a brushless motor 72.
  • the motor 72 thus allows, thanks to the connection screw / nut constituted by the elements 68 and 70, to drive in translation, in a direction D 60 perpendicular to the axis X 54 and the direction D 6 , the carriage 60 and the cradle 12 supported by this carriage, as represented by the double arrow F 2 .
  • the motor 72 is mounted on a base 74 belonging to a box 76 in which are housed the threaded rod 70 and the nut 72.
  • the box 76 is supported by a bracket plate 78 bolted to a table 80 on which is installed a brushless motor 82 whose output shaft is aligned on an axis X 82 parallel to the direction D 60 .
  • a toothed belt 84 is wound about 180 ° about an output gear 86 of the motor shaft 82.
  • the ends of the belt 84 are secured by immobilizers 88 and 90 to a base 92 which forms a fixed support structure for elements 12 to 86.
  • Rails 94 and 96 make it possible to guide the table 80 in translation relative to the base 92.
  • the motor 82 is mounted on a support 98 fixed on the table 80 and which supports two rollers 100 and 102, mounted idle, for returning the belt 84 to the devices 88 and 90, from the pinion 86.
  • the construction used to transmit the movement between the motor 82 and the table 80, thanks to the belt 84, is adapted to the fact that the translation movement of the table 80 in the direction D 80 has a relatively low amplitude and accelerations.
  • the drive by screw / nut used to move the carriage 60 in the direction D 60 is, meanwhile, adapted to relatively large amplitude translation movements which must be controlled with very high accuracy.
  • the four brushless motors 34, 64, 72 and 82 are connected to an electronic unit 120 which is very schematically represented only at the figure 5 , and which controls these motors in a synchronized manner to obtain a predetermined movement of a bottle 4 supported by the cradle 12.
  • the arrows S 1 to S 4 respectively represent the electronic control signals of the motors 34, 64, 72 and 82 by the unit 120.
  • the parameters defining the trajectory followed by a bottle 4 supported by the cradle 12 can be easily adapted by programming the operating phases of the brushless motors 64, 72 and 82, without resorting to cam, roller or lever devices which are complex and need to be changed for each new desired trajectory.
  • the use of the three brushless motors 64, 72 and 82 gives a great flexibility of use to the machine 2 according to the invention.
  • This trajectory comprises a rectilinear part T 1 which extends parallel to the direction D 60 and which is obtained by actuating only the motor 72.
  • the trajectory T also comprises a portion T 2 in an arc centered on an axis X T parallel to the direction D 6 , that is to say perpendicular to the directions D 60 and D 80 .
  • the X T axis is not confused with the X axis 54 .
  • This arcuate portion T 2 makes it possible to roll the external frustoconical surface 4a of a bottle 4 against the face of the ribbon 20 opposite the punch 6, which allows a transfer without slip of a marking pattern on the surface 4a. .
  • the longitudinal axis X 4 of a bottle 4 extends radially with respect to the axis X T and changes orientation with respect thereto during the movement of a bottle 4 along the arc circle formed by the portion of trajectory T 2 .
  • the trajectory T also comprises a rectilinear part T 3 which extends parallel to the direction D 60 and makes it possible to convey the marked bottle to the unloading station 16. This portion T 3 is obtained by actuating only the motor 72.
  • the horizontal projection of the longitudinal axis X 4 that is to say the axis of revolution, of a bottle 4 received on the support 15 of the loading station 14 or on the support 17 of the unloading station 16 is parallel to the direction D 80 , that is to say perpendicular to the directions D 6 and D 60 , this independently of the exact geometry of each vial 4 and the portion T 2 of the trajectory T.
  • the Geometry of the trajectory T is adapted to the geometry of the parts to be marked 4, in particular as a function of the taper angle of their frustoconical parts, by programming the operation of the motors 64, 72 and 82 to obtain a trajectory in an arc T 2 , even though there remain rectilinear portions T 1 and T 3 .
  • the manipulators used to load each bottle 4 on the cradle 12 and, if necessary, to unload a bottle from this cradle may be standard equipment used for cylindrical marking parts, whose operation is not not modified because of the frustoconical geometry of the vials 4. This constitutes a significant advance over the state-of-the-art equipment in which a trajectory totally in an arc of circle was obtained by the articulated rod, which required dedicated manipulators to each type of trajectory in an arc.
  • the angle at the vertex ⁇ of the portion T 2 of an arcuate trajectory is relatively small, less than 40 ° and preferably of the order of 20 °, so that the elements displaced in rotation are on a stroke of relatively small angular amplitude, which limits the mechanical stresses of the drive elements and support relative to the case where an arcuate trajectory would extend between the positions 14 and 16.
  • the invention is represented in figure 3 in the case where the arcuate portion T 2 of the trajectory T is centered on an axis X T located on the side of the sleeve 52 relative to the rectilinear portions T 1 and T 3 .
  • this axis X T is located on the side of the bearing 42, this by a simple programming of the operation of brushless motors 64, 72 and 82, thanks to the unit 120.
  • the structure of the drive means 12 and 30 to 102 of the bottles 4 with respect to the punch 6 also makes it possible to load a part 4 between the mandrel 44 and the sleeve 52 without the latter sliding with respect to the support 15 of the station. loading 14. Indeed, it is possible to bring the mandrel 44 in alignment with the axis X 4 of a bottle 4 supported by the support 15 and then to move the table 80 in a direction of approach of the mandrel 44 to the vial 4 while actuating the cylinder 48 to move the sleeve 52 to the part 4, so that the part 4 is "pinched" between the mandrel 44 and the sleeve 52, without sliding parallel to its axis of revolution, relative at 15. Any risk of scratching the outer surface 4a of a bottle is thus avoided.
  • the possibility of movement resulting from the use of the motor 82 also makes it possible to mark the same area of an object with two colors, as shown schematically in FIG. figure 6 for a bottle 4 of cylindrical shape and circular section.
  • Two ribbons 20A and 20B may be arranged side by side under a punch such as the punch 6 shown in FIGS. figures 1 and 2 .
  • a bottle can then be arranged in a first position shown on the left of the figure 6 to mark it with a first pattern with the ribbon 20A, for example golden color.
  • the displacement in the direction D 60 is not mandatory.
  • the bottle 4 can be brought successively opposite the ribbons 20A and 20B by being displaced only in the direction D 80 .
  • the machine 2 can be used for marking cylindrical parts independently of a two-color marking.
  • the motors 64 and 82 are not actuated, except possibly the motor 82 for decor position corrections or when loading a part on the cradle 12.
  • the machine of the invention is therefore advantageous both for the marking of parts of revolution of frustoconical shape and for the marking of cylindrical shaped parts of revolution, it being understood that the possibility of marking by means of two ribbons mentioned above with reference to a cylindrical part may also be implemented for a part partially or completely frustoconical.
  • the generator 4b of the outer surface 4a of a bottle 4 is not parallel to its axis of revolution X 4 . If this axis of revolution is horizontal, that is to say perpendicular to the direction D 6 relative movement between the punch 6 and the bottle 4, the generator 4b in question is inclined relative to the marking surface 6b of the punch 6 which is perpendicular to the direction D 6 . To correct this, the cradle 12 is mounted relative to the plate 53 with a possibility of pivoting about an axis X 12 perpendicular to the direction D 6 .
  • each of the plates 30 and 32 is pierced by a light 31 or 33 in the form of a circular arc centered on the X axis 12 and in which a bolt 35 is engaged.
  • a set screw 37 bears on a pin 39 integral with the plate 53 and engaged in each of the slots 31 and 33, which allows to accurately adjust the angular position of the plates 30 and 32 about the axis X 12 .
  • it is sufficient to tighten the bolt 35 to immobilize the cradle 12 about the axis X 12 .
  • This allows to have the generator 4b parallel to the marking surface 6b of the punch 6, that is to say in practice horizontally in the example of the figures, for a series of parts 4 to mark.
  • the possibility of pivoting of the cradle 12 about the axis X 12 is represented by the arrow R 12 at the figure 4 .
  • the X 12 and X 44 axes are intersecting. In practice, the X 12 , X 44 and X 54 axes intersect at the center of each vial 4 supported by the cradle 12, this center being defined as a point of the axis X 4 equidistant from the ends of the vial.
  • a first marking can take place with a first adjustment of the orientation of the cradle 12 around the axis X 12
  • a second marking can take place on another part of the outer surface of the part to be marked, thanks to a second adjustment of the position of the cradle 12 around the axis X 12 .
  • the invention has been shown in the case where the direction D 6 is vertical. However, it is applicable to other configurations, especially in the case where the direction of approach of the punch and the workpiece is horizontal.
  • the invention has been shown in the case where the movement of the punch relative to the part to be marked is a translational movement operated by the cylinder 8.
  • the invention is however applicable to the case where the punch follows an arcuate trajectory .
  • the end portion of the approach path of the punch and the part to be marked can be approximated as being parallel to a line normal to a marking face of the punch.
  • the punch can be fixed and the part to be marked is moved towards the punch in the direction D 6 .
  • the invention may also be implemented for a screen printing machine, in which case it is necessary to move a part to be marked opposite an inked screen which forms a marking member, whose function is comparable to that of the punch 6 mentioned above. -above.
  • the invention is also applicable, in another embodiment, to a labeling machine, more specifically a label-laying machine, in which a width on which labels are arranged circulates to the vicinity of parts to be labeled. , while a support member, commonly called “saber” periodically presses the width against the outer surface of the parts to be labeled, in order to apply a label.
  • a support member commonly called “saber”
  • the parts to be labeled whether cylindrical or conical, must be moved with respect to the tagging member that constitutes the sword and the invention can be implemented for this purpose.

Abstract

The machine has a cradle (12) for holding a rotational part (4). A drive carriage (60) drives the cradle in translation along a first direction (D60) that is perpendicular to second direction (D6). Drive units (80, 90, 94, 102) drive the carriage in other translation along a third direction (D80) that is perpendicular to the first and second directions. Other drive units are constituted of a cylindrical pin (54), a pinion (56) and a brushless motor (64) to drive the cradle with respect to the drive carriage in rotation (R1) around an axis (X54) that is parallel to the first direction.

Description

L'invention a trait à une machine de marquage ou d'étiquetage de pièces de révolution, ainsi qu'à un procédé d'utilisation d'une telle machine pour le marquage ou l'étiquetage d'une pièce au moins en partie tronconique.The invention relates to a machine for marking or labeling parts of revolution, as well as a method of using such a machine for marking or labeling an at least partially frustoconical part.

Dans le domaine du marquage à chaud de pièces de révolution, il est connu de déplacer un poinçon ou cliché vers la surface extérieure d'une pièce à marquer, avec interposition d'un ruban de marquage, ce qui permet de créer un motif sur la surface extérieure de la pièce. Un vérin pneumatique ou un moteur électrique est utilisé pour déplacer le poinçon en direction de la pièce ou la pièce en direction du poinçon. Au cours de son marquage, la pièce doit être tenue dans un berceau qui est déplacé en translation, sous le poinçon, alors que la pièce tourne autour de son axe de révolution, ce qui permet de marquer la pièce sur sa périphérie. Ceci fonctionne correctement pour les pièces cylindriques à section circulaire, étant rappelé ici que des dispositions particulières peuvent être prises pour les pièces de forme, c'est-à-dire les pièces cylindriques à section non circulaire, comme expliqué dans FR-A-2 897 555 .In the field of hot stamping of pieces of revolution, it is known to move a punch or plate to the outer surface of a part to be marked, with the interposition of a marking tape, which allows to create a pattern on the outer surface of the room. A pneumatic cylinder or an electric motor is used to move the punch toward the workpiece or workpiece in the direction of the punch. During its marking, the piece must be held in a cradle which is moved in translation, under the punch, while the workpiece rotates about its axis of revolution, which makes it possible to mark the workpiece on its periphery. This works well for cylindrical parts with circular section, being recalled here that special arrangements can be made for shaped parts, that is to say the cylindrical parts with non-circular section, as explained in FR-A-2,897,555 .

Dans le cas où la pièce à marquer est au moins en partie tronconique, le mouvement du berceau doit être modifié afin de permettre un appui sans glissement de la surface extérieure de la pièce contre le ruban de marquage. Pour ce faire, il est connu d'installer le berceau sur un chariot monté à l'extrémité d'une bielle articulée sur un axe parallèle à la direction de mouvement relatif du poinçon et du chariot. La mise en mouvement de ce chariot requiert des réglages précis de ses dispositifs mécaniques d'entraînement, ces réglages devant être refaits à chaque changement de géométrie de pièce à marquer. Compte tenu de l'inertie des pièces déplacées en rotation, le châssis et les galets d'entraînement du chariot subissent des sollicitations importantes qui réduisent sensiblement leur durée de vie. De plus, comme la trajectoire du support est une trajectoire en arc de cercle imposé par les organes mécaniques en mouvement, les postes de chargement et de déchargement des pièces à marquer sur le berceau doivent être inclinés pour que les axes longitudinaux des pièces se trouvant dans ces postes de chargement et de déchargement soient alignés sur des rayons passant par le centre de rotation de la bielle. Il en résulte que le bras manipulateur utilisé pour le chargement des pièces sur le berceau est relativement complexe et doit être adapté à chaque configuration d'utilisation.In the case where the part to be marked is at least partly frustoconical, the movement of the cradle must be modified to allow support without sliding of the outer surface of the part against the marking tape. To do this, it is known to install the cradle on a carriage mounted at the end of a rod articulated on an axis parallel to the direction of relative movement of the punch and the carriage. The setting in motion of this carriage requires precise adjustments of its mechanical drive devices, these settings to be redone with each change of room geometry to be marked. Given the inertia of the parts moved in rotation, the chassis and the drive rollers of the carriage undergo significant stresses that significantly reduce their service life. In addition, since the trajectory of the support is an arcuate trajectory imposed by the moving mechanical members, the loading and unloading stations of the parts to be marked on the cradle must be inclined so that the longitudinal axes of the parts lying in these loading and unloading stations are aligned on spokes passing through the center of rotation of the connecting rod. As a result, the manipulator arm used for the loading the parts on the cradle is relatively complex and must be adapted to each configuration of use.

On pourrait envisager d'utiliser un robot multiaxes polymorphe pour déplacer une pièce tronconique par rapport à un poinçon de marquage. Toutefois, les trajectoires d'un robot multiaxes ne sont pas aussi précises que celles obtenues au moyen d'un chariot déplacé en translation ou en rotation. En outre, dans un tel robot, les pièces sont généralement tenues en porte-à-faux, de sorte qu'elles risquent de se déformer sous la charge radiale exercée par le poinçon de marquage. Enfin, un robot multiaxes est un matériel onéreux, surtout si l'on compare son prix à la charge maximum qu'il peut déplacer.One could consider using a multi-axis polymorphic robot to move a frustoconical piece relative to a marking punch. However, the trajectories of a multiaxis robot are not as accurate as those obtained by means of a carriage moved in translation or in rotation. In addition, in such a robot, the parts are generally held cantilever, so that they may deform under the radial load exerted by the marking punch. Finally, a multi-axis robot is an expensive material, especially if you compare its price to the maximum load that can move.

Des problèmes analogues se posent avec d'autres machines de marquage, notamment les machines de marquage par sérigraphie, et avec les machines d'étiquetage, dès lors que l'on travaille avec des pièces en partie ou en totalité tronconiques.Similar problems arise with other marking machines, in particular screen printing machines, and with labeling machines, when working with parts that are partly or entirely frustoconical.

C'est à ces inconvenients qu'entend plus particulièrement remédier l'invention en proposant une nouvelle machine qui permet un marquage ou un étiquetage fiable et efficace de pièces de révolution, que celles-ci soient cylindriques ou tronconiques.It is to these drawbacks that the invention intends to remedy more particularly by proposing a new machine which allows a marking or a reliable and effective labeling of pieces of revolution, whether they are cylindrical or frustoconical.

A cet effet, l'invention concerne une machine de marquage ou d'étiquetage de pièces de révolution, cette machine comprenant :

  • un organe de marquage ou d'étiquetage ;
  • des moyens de déplacement relatif de cet organe et d'une pièce à marquer ou à étiqueter, selon une première direction ;
  • un berceau apte à tenir une pièce lors de son marquage ou de son étiquetage, ce berceau étant pourvu de moyens d'entraînement de la pièce en rotation autour de son axe de révolution, et
  • un chariot d'entraînement du berceau, en translation selon une deuxième direction perpendiculaire à la première direction.
For this purpose, the invention relates to a machine for marking or labeling parts of revolution, this machine comprising:
  • a marking or labeling organ;
  • means for relative displacement of this member and a part to be marked or labeled, in a first direction;
  • a cradle able to hold a part during its marking or labeling, this cradle being provided with means for driving the part in rotation about its axis of revolution, and
  • a carriage for driving the cradle, in translation in a second direction perpendicular to the first direction.

Cette machine est caractérisée en ce qu'elle comprend, en outre, des moyens d'entraînement du chariot, en translation selon une troisième direction perpendiculaire aux première et deuxième directions, et des moyens d'entraînement du berceau par rapport au chariot, en rotation autour d'un premier axe parallèle à la première direction.This machine is characterized in that it further comprises means for driving the carriage, in translation along a third direction perpendicular to the first and second directions, and means for driving the cradle with respect to the carriage, in rotation around a first axis parallel to the first direction.

Grâce à l'invention, les moyens d'entraînement du chariot en translation selon la troisième direction et les moyens d'entraînement du berceau en rotation par rapport au chariot permettent de faire suivre au berceau une trajectoire qui peut avoir une portion en arc de cercle compatible avec le marquage ou la pose d'une étiquette sur une partie tronconique de la pièce, tout en conservant l'avantage de simplicité et de fiabilité d'un entraînement du chariot uniquement par des mouvements de translation.Thanks to the invention, the means for driving the carriage in translation in the third direction and the means for driving the cradle in rotation relative to the carriage make it possible to follow the cradle a path that may have a portion in a circular arc. compatible with the marking or the laying of a label on a frustoconical part of the part, while maintaining the advantage of simplicity and reliability of a drive of the carriage only by translational movements.

Selon des aspects avantageux mais non obligatoires de l'invention, une telle machine peut incorporer une ou plusieurs des caractéristiques suivantes prises dans toute combinaison techniquement admissible :

  • L'axe autour duquel le berceau peut tourner par rapport au premier chariot est sécant avec l'axe longitudinal d'une pièce tenue par le berceau.
  • Les moyens d'entraînement du chariot en translation comprennent une table sur laquelle est monté le chariot avec possibilité de déplacement en translation selon la deuxième direction, cette table étant elle-même mobile en translation, par rapport à une structure porteuse fixe, selon la troisième direction. Dans ce cas, on peut prévoir que le chariot est déplacé en translation, par rapport à la table et selon la deuxième direction, au moyen d'un entraînement à vis/écrou, alors que la table est déplacée en translation, par rapport à la structure porteuse fixe et selon la troisième direction, au moyen d'un entraînement à courroie.
  • Les moyens d'entraînement de la pièce en rotation sur le berceau, du berceau en rotation par rapport au chariot et du chariot en translation selon les deuxième et troisième directions comprennent quatre moteurs de type brushless et au moins une unité de commande synchronisée de ces moteurs. Une telle structure confère une grande liberté dans la réalisation des mouvements des pièces à marquer par rapport au poinçon de la machine.
  • La machine comprend des moyens de réglage de la position du berceau par rapport au chariot, en rotation autour d'un deuxième axe perpendiculaire à la première direction. Ce réglage permet d'adapter la position de la génératrice extérieure de la pièce à marquer tournée vers l'organe de marquage ou de pose d'étiquettes, de façon à obtenir un parallélisme entre cette génératrice extérieure et la face active de cet organe. Dans ce cas, on peut prévoir que la machine comprend des moyens d'entraînement du berceau en rotation autour du deuxième axe.
According to advantageous but non-mandatory aspects of the invention, such a machine may incorporate one or more of the following features taken in any technically permissible combination:
  • The axis around which the cradle can rotate relative to the first carriage is secant with the longitudinal axis of a part held by the cradle.
  • The drive means of the carriage in translation comprise a table on which is mounted the carriage with the possibility of displacement in translation in the second direction, this table being itself movable in translation, with respect to a fixed bearing structure, according to the third direction. In this case, it can be provided that the carriage is moved in translation, relative to the table and in the second direction, by means of a screw / nut drive, while the table is moved in translation relative to the fixed support structure and in the third direction, by means of a belt drive.
  • The means for driving the rotating part on the cradle, the cradle in rotation relative to the carriage and the carriage in translation along the second and third directions comprise four brushless type motors and at least one synchronized control unit of these motors. . Such a structure gives a great freedom in the realization of the movements of the parts to be marked with respect to the punch of the machine.
  • The machine comprises means for adjusting the position of the cradle relative to the carriage, in rotation about a second axis perpendicular to the first direction. This adjustment makes it possible to adapt the position of the outer generatrix of the part to be marked facing towards the marking or label-laying member, so as to obtain a parallelism between this external generator and the active face of this member. In this case, it can be provided that the machine comprises means for driving the cradle in rotation about the second axis.

Selon un premier mode de réalisation de l'invention, la machine est une machine de marquage à chaud, l'organe de marquage est un poinçon chauffant, il est prévu des moyens d'amenée d'un ruban de marquage entre le poinçon et une pièce à marquer et la première direction est perpendiculaire à une portion du ruban disposée entre le poinçon et la pièce à marquer.According to a first embodiment of the invention, the machine is a hot stamping machine, the marking member is a heating punch, there are provided means for feeding a marking tape between the punch and a piece to be marked and the first direction is perpendicular to a portion of the ribbon disposed between the punch and the piece to be marked.

Selon un deuxième mode de réalisation de l'invention, il s'agit d'une machine de sérigraphie et l'organe de marquage est un écran encré.According to a second embodiment of the invention, it is a screen printing machine and the marking member is an inked screen.

Selon un troisième mode de réalisation de l'invention, il s'agit d'une machine de pose d'étiquettes à partir d'une laize et l'organe est un dispositif communément dénommé « sabre » qui est apte à appliquer une étiquette contre chaque pièce à étiqueter.According to a third embodiment of the invention, it is a label laying machine from a width and the body is a device commonly called "saber" which is able to apply a label against each piece to be labeled.

L'invention concerne également un procédé de marquage ou d'étiquetage d'une pièce de révolution qui est au moins en partie tronconique, ce procédé étant mis en oeuvre au moyen d'une machine telle que mentionnée ci-dessus et comprenant des étapes consistant à :

  1. a) charger la pièce sur le berceau dans un poste de chargement
  2. b) déplacer le berceau équipé de la pièce selon une trajectoire allant du poste de chargement à un poste de déchargement et comprenant au moins une portion en arc de cercle centrée sur un deuxième axe parallèle à la première direction, en déplaçant le chariot en translation selon les deuxième et troisième directions et en faisant tourner le berceau par rapport au chariot autour du premier axe parallèle à la première direction
  3. c) opérer un déplacement relatif de l'organe de marquage ou d'étiquetage et de la pièce selon la première direction, de façon à plaquer un élément de marquage ou d'étiquetage sur la pièce pendant une partie au moins du déplacement du berceau selon la trajectoire de l'étape b) et
  4. d) décharger la pièce du berceau dans le poste de déchargement.
The invention also relates to a method for marking or labeling a part of revolution which is at least partly frustoconical, this method being implemented by means of a machine as mentioned above and comprising steps comprising at :
  1. a) load the part on the cradle at a loading station
  2. b) moving the cradle equipped with the workpiece along a path from the loading station to an unloading station and comprising at least one portion in an arc centered on a second axis parallel to the first direction, by moving the carriage in translation according to the second and third directions and rotating the cradle relative to the carriage around the first axis parallel to the first direction
  3. c) effect a relative movement of the marking or labeling member and the workpiece in the first direction, so as to press a marking or labeling element on the workpiece during at least part of the movement of the cradle according to the trajectory of step b) and
  4. (d) unload the part of the cradle in the unloading station.

Un tel procédé permet donc de réaliser le marquage ou la pose d'une étiquette sur une pièce tronconique, de façon particulièrement fiable.Such a method thus makes it possible to carry out the marking or the laying of a label on a frustoconical part, in a particularly reliable manner.

Selon un aspect avantageux, la trajectoire du berceau suivie dans l'étape b) comprend au moins une portion rectiligne parallèle à la deuxième direction et située avant ou après la portion en arc de cercle, alors que, lorsqu'il est dans les postes de chargement et/ou de déchargement, le berceau prend ou tient la pièce dans une position où la projection de son axe de révolution, sur un plan contenant les deuxième et troisième directions, est parallèle à la troisième direction. Ceci permet d'utiliser des outils de chargement et, éventuellement, de déchargement de la pièce par rapport au berceau qui sont les mêmes pour une pièce cylindrique ou une pièce tronconique, quelle que soit sa géométrie.According to an advantageous aspect, the trajectory of the cradle followed in step b) comprises at least one rectilinear portion parallel to the second direction and located before or after the arcuate portion, whereas, when in the loading and / or unloading, the cradle takes or holds the piece in a position where the projection of its axis of revolution, on a plane containing the second and third directions, is parallel to the third direction. This makes it possible to use loading tools and, possibly, unloading the part relative to the cradle which are the same for a cylindrical piece or a frustoconical piece, whatever its geometry.

Selon un autre aspect avantageux de l'invention, le berceau est orienté, par rapport au chariot et autour d'un axe perpendiculaire à la première direction, de façon que la génératrice externe de la partie de la pièce en cours de marquage ou d'étiquetage soit parallèle à une surface active de l'organe de marquage ou d'étiquetage.According to another advantageous aspect of the invention, the cradle is oriented relative to the carriage and around an axis perpendicular to the first direction, so that the external generatrix of the part of the part being marked or labeling is parallel to an active surface of the marking or labeling member.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre d'un mode de réalisation d'une machine conforme à son principe et de son procédé d'utilisation, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une représentation schématique partielle, de face et en perspective, d'une machine de marquage à chaud conforme à l'invention,
  • la figure 2 est une vue en perspective de la machine de la figure 1, vue par l'arrière,
  • la figure 3 est une vue de dessus de la partie inférieure de la machine des figures 1 et 2,
  • la figure 4 est une vue de côté dans le sens de la flèche IV à la figure 3,
  • la figure 5 est une vue en perspective éclatée de certains éléments constitutifs de la machine des figures 1 à 4, et
  • la figure 6 est une représentation schématique de principe d'une partie de la machine des figures 1 à 5 lors du marquage d'une pièce cylindrique avec deux rubans de couleurs différentes.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of an embodiment of a machine according to its principle and its method of use, given only by way of example and with reference to the appended drawings in which:
  • the figure 1 is a partial diagrammatic representation, from the front and in perspective, of a hot stamping machine according to the invention,
  • the figure 2 is a perspective view of the machine from the figure 1 , seen from behind,
  • the figure 3 is a top view of the bottom of the machine's figures 1 and 2 ,
  • the figure 4 is a side view in the direction of arrow IV to the figure 3 ,
  • the figure 5 is an exploded perspective view of some constituent elements of the machine of Figures 1 to 4 , and
  • the figure 6 is a schematic representation of principle of a part of the machine of the Figures 1 to 5 when marking a cylindrical piece with two ribbons of different colors.

La machine 2 représentée sur les figures sert au marquage à chaud de pièces de révolution 4 qui, dans l'exemple, sont des flaconnettes de produit cosmétique ayant une forme tronconique sur une partie substantielle de leur longueur. La machine 2 est adaptée au marquage à chaud de pièces cylindriques, totalement tronconiques ou partiellement tronconiques.The machine 2 shown in the figures is used for hot stamping parts of revolution 4 which, in the example, are product bottles. cosmetic having a frustoconical shape over a substantial part of their length. The machine 2 is suitable for hot stamping cylindrical parts, totally frustoconical or partially frustoconical.

La machine 2 comprend un poinçon 6 qui est chauffé par des moyens non représentés et connus en soi, tels que des résistances électriques, et qui est déplaçable par un vérin pneumatique 8, selon une direction verticale D6. D'autres actionneurs linéaires peuvent être utilisés à la place du vérin 8.The machine 2 comprises a punch 6 which is heated by means not shown and known per se, such as electrical resistances, and which is movable by a pneumatic jack 8, in a vertical direction D 6 . Other linear actuators can be used in place of the cylinder 8.

La machine 2 comprend également un berceau 12 destiné à supporter l'une des pièces 4 en cours de marquage.The machine 2 also includes a cradle 12 for supporting one of the parts 4 being marked.

Sur les figures 1 et 2, le décalage vertical entre le poinçon 6 et le berceau 12 est exagéré afin de permettre la visualisation de certaines parties de la machine. Les figures 1 à 3 représentent plusieurs flaconnettes 4 dans plusieurs positions au sein de la machine 2, afin de montrer différentes positions prises par une flaconnette lors de son déplacement entre un poste 14 de chargement des flaconnettes sur le berceau 12 et un poste de déchargement 16. En pratique, le berceau 12 porte une seule flaconnette à la fois et une autre flaconnette peut être prépositionnée dans le poste de chargement 14, alors qu'une dernière flaconnette est dans le poste de déchargement, par exemple pour une opération de contrôle.On the figures 1 and 2 , the vertical offset between the punch 6 and the cradle 12 is exaggerated to allow viewing of certain parts of the machine. The Figures 1 to 3 represent several bottles 4 in several positions within the machine 2, to show different positions taken by a bottle during its movement between a station 14 for loading the bottles on the cradle 12 and an unloading station 16. In practice, the cradle 12 carries a single vial at a time and another vial can be prepositioned in the loading station 14, while a last vial is in the unloading station, for example for a control operation.

Une bobine non représentée comprend une quantité d'un ruban de marquage 20 qui circule depuis cette bobine vers une bobine, également non représentée, de collecte du ruban après utilisation. Des galets de renvoi 22 permettent de définir le cheminement du ruban 20 entre le poinçon 6 et une pièce 4 supportée par le berceau 12. La portion 20a du ruban 20 située entre les galets 22 à plat circule selon une direction D20 perpendiculaire à la direction D6.A not shown spool comprises a quantity of a marking tape 20 which flows from this spool to a reel, also not shown, of collecting the ribbon after use. Referring rollers 22 make it possible to define the path of the ribbon 20 between the punch 6 and a part 4 supported by the cradle 12. The portion 20a of the ribbon 20 situated between the flat rollers 22 circulates in a direction D 20 perpendicular to the direction D 6 .

Le berceau 12 comprend deux plaques 30 et 32 entre lesquelles est disposé un moteur brushless 34 dont l'arbre de sortie 36 est relié par une courroie 38 à une poulie 40 qui entraîne, à travers un palier 42, un mandrin 44 de tenue d'une pièce 4. Ce mandrin tourne autour d'un axe X44 parallèle aux axes de rotation de l'arbre 36 et de la poulie. Par ailleurs, une plaque 46 est montée mobile par rapport aux plaques 30 et 32, selon une direction qui est parallèle aux axes de rotation du moteur 34 et de la poulie 40 et à l'axe X44. Un vérin pneumatique 48 permet de commander la position de la plaque 46 par rapport aux plaques 30 et 32. La plaque 46 supporte une équerre 50 sur laquelle est monté un support 51 qui porte un manchon 52 destiné à coopérer avec l'extrémité d'une flaconnette 4 qui n'est pas en prise avec le mandrin 44. Le mouvement des pièces 46 à 52 parallèlement à l'axe X44 permet d'exercer un effort de pincement entre le mandrin 44 et le manchon 52, ce qui permet de tenir une pièce 4 par ses deux extrémités, sous le poinçon 6, lorsqu'il convient de marquer cette pièce par transfert à partir du ruban 20.The cradle 12 comprises two plates 30 and 32 between which is arranged a brushless motor 34 whose output shaft 36 is connected by a belt 38 to a pulley 40 which drives, through a bearing 42, a mandrel 44 for holding the a piece 4. This mandrel rotates about an axis X 44 parallel to the axes of rotation of the shaft 36 and the pulley. Furthermore, a plate 46 is mounted movably relative to the plates 30 and 32, in a direction which is parallel to the axes of rotation of the motor 34 and the pulley 40 and the X axis 44 . A pneumatic cylinder 48 makes it possible to control the position of the plate 46 with respect to the plates 30 and 32. The plate 46 supports a bracket 50 on which is mounted a support 51 which carries a sleeve 52 intended to cooperate with the end of a bottle 4 which is not in engagement with the mandrel 44. The movement of the parts 46 to 52 parallel to the X axis 44 makes it possible to exert a force of pinch between the mandrel 44 and the sleeve 52, which allows to hold a piece 4 by its two ends, under the punch 6, when it is appropriate to mark this piece by transfer from the ribbon 20.

Le berceau 12, qui comprend les pièces 30 à 52, est utilisé pour déplacer chaque pièce ou flaconnette 4 entre le poste de chargement 14 et le poste de déchargement 16, tout en assurant son entraînement en rotation autour de l'axe X44 qui est alors confondu avec l'axe de révolution X4 de la pièce 4 supportée par le berceau 12. En pratique, les axes X4 et X44 sont sensiblement horizontaux, en étant inclinés par rapport à un plan horizontal d'un angle égal au demi-angle au sommet de la partie tronconique de la pièce 4.The cradle 12, which includes the parts 30 to 52, is used to move each piece or bottle 4 between the loading station 14 and the unloading station 16, while ensuring its drive in rotation about the X axis 44 which is then coincides with the axis of revolution X 4 of the part 4 supported by the cradle 12. In practice, the X 4 and X 44 axes are substantially horizontal, being inclined with respect to a horizontal plane of an angle equal to half -angle at the top of the frustoconical part of the room 4.

Le berceau 12 comprend également une platine 53 qui s'étend entre les plaques 30 et 32. Cette platine est solidaire d'un pion 54, qui est cylindrique et à section circulaire et qui s'étend selon un axe X54 parallèle à la direction D6. L'extrémité du pion 54 opposée à la platine est pourvue d'un pignon 56 permettant d'entraîner en rotation le pion 54 et l'ensemble du berceau 12 en rotation autour de l'axe X54, comme représenté par la double flèche courbe R1 à la figure 5.The cradle 12 also comprises a plate 53 which extends between the plates 30 and 32. This plate is secured to a pin 54, which is cylindrical and of circular section and which extends along an axis X 54 parallel to the direction D 6 . The end of the pin 54 opposite the plate is provided with a pinion 56 for driving in rotation the pin 54 and the assembly of the cradle 12 in rotation about the X axis 54 , as represented by the double curved arrow R 1 to the figure 5 .

Le berceau 12 est monté sur un chariot 60, alors que le pion 54 est introduit dans un logement correspondant 62 prévu sur le chariot 60 et dans lequel fait saillie un pignon conique non représenté monté sur l'arbre de sortie d'un moteur brushless 64 solidaire du chariot 60. Ainsi, le moteur 64 permet d'entraîner en rotation, autour de l'axe X54 et par rapport au chariot 60, le berceau 12.The cradle 12 is mounted on a carriage 60, while the pin 54 is inserted into a corresponding recess 62 provided on the carriage 60 and in which protrudes a not shown conical pinion mounted on the output shaft of a brushless motor 64 secured to the carriage 60. Thus, the motor 64 rotates about the axis X 54 and with respect to the carriage 60, the cradle 12.

Selon une variante non représentée de l'invention, le pion 54 peut être dépourvu du pignon 56 et introduit dans un arbre creux formant la sortie d'un réducteur roue/vis monté sur la sortie du moteur 64.According to a not shown variant of the invention, the pin 54 may be devoid of the pinion 56 and introduced into a hollow shaft forming the output of a wheel / screw gearbox mounted on the output of the motor 64.

L'axe X54 est sécant avec l'axe de révolution X4 de chaque pièce 4 tenue par le berceau 12.The X axis 54 is intersecting with the axis of revolution X 4 of each piece 4 held by the cradle 12.

Le chariot 60 est lui-même monté sur une plaque 66 solidaire d'un écrou 68 monté sur une tige filetée 70 entraînée en rotation par un moteur brushless 72.The carriage 60 is itself mounted on a plate 66 integral with a nut 68 mounted on a threaded rod 70 driven in rotation by a brushless motor 72.

Le moteur 72 permet donc, grâce à la liaison vis/écrou constituée par les éléments 68 et 70, d'entraîner en translation, selon une direction D60 perpendiculaire à l'axe X54 et à la direction D6, le chariot 60 et le berceau 12 supporté par ce chariot, comme représenté par la double flèche F2.The motor 72 thus allows, thanks to the connection screw / nut constituted by the elements 68 and 70, to drive in translation, in a direction D 60 perpendicular to the axis X 54 and the direction D 6 , the carriage 60 and the cradle 12 supported by this carriage, as represented by the double arrow F 2 .

Le moteur 72 est monté sur une embase 74 appartenant à un caisson 76 dans lequel sont logés la tige filetée 70 et l'écrou 72. Le caisson 76 est supporté par une plaque équerre 78 boulonnée sur une table 80 sur laquelle est installé un moteur brushless 82 dont l'arbre de sortie est aligné sur un axe X82 parallèle à la direction D60.The motor 72 is mounted on a base 74 belonging to a box 76 in which are housed the threaded rod 70 and the nut 72. The box 76 is supported by a bracket plate 78 bolted to a table 80 on which is installed a brushless motor 82 whose output shaft is aligned on an axis X 82 parallel to the direction D 60 .

Une courroie crantée 84 est enroulée sur environ 180° autour d'un pignon de sortie 86 de l'arbre du moteur 82. Les extrémités de la courroie 84 sont fixées par des dispositifs d'immobilisation 88 et 90 sur une embase 92 qui forme une structure de supportage fixe pour les éléments 12 à 86.A toothed belt 84 is wound about 180 ° about an output gear 86 of the motor shaft 82. The ends of the belt 84 are secured by immobilizers 88 and 90 to a base 92 which forms a fixed support structure for elements 12 to 86.

Des rails 94 et 96 permettent de guider en translation la table 80 par rapport à l'embase 92.Rails 94 and 96 make it possible to guide the table 80 in translation relative to the base 92.

Le moteur 82 est monté sur un support 98 fixé sur la table 80 et qui supporte deux galets 100 et 102, montés fous, de renvoi de la courroie 84 vers les dispositifs 88 et 90, à partir du pignon 86.The motor 82 is mounted on a support 98 fixed on the table 80 and which supports two rollers 100 and 102, mounted idle, for returning the belt 84 to the devices 88 and 90, from the pinion 86.

Ainsi, en actionnant le moteur 82, il est possible de faire tourner le pignon 86 et de déplacer le support 98 et la table 80 par rapport à l'embase 92, en translation selon une direction D80 perpendiculaire aux directions D6 et D60, comme représenté par la double flèche F3.Thus, by actuating the motor 82, it is possible to turn the pinion 86 and move the support 98 and the table 80 relative to the base 92, in translation in a direction D 80 perpendicular to the directions D 6 and D 60 as represented by the double arrow F 3 .

La construction utilisée pour transmettre le mouvement entre le moteur 82 et la table 80, grâce à la courroie 84, est adaptée au fait que le mouvement de translation de la table 80 selon la direction D80 a une amplitude et des accélérations relativement faibles. L'entraînement par vis/écrou utilisé pour déplacer le chariot 60 selon la direction D60 est, quant à lui, adapté à des mouvements de translation d'amplitude relativement importante qui doivent être contrôlés avec une très grande précision.The construction used to transmit the movement between the motor 82 and the table 80, thanks to the belt 84, is adapted to the fact that the translation movement of the table 80 in the direction D 80 has a relatively low amplitude and accelerations. The drive by screw / nut used to move the carriage 60 in the direction D 60 is, meanwhile, adapted to relatively large amplitude translation movements which must be controlled with very high accuracy.

Les quatre moteurs brushless 34, 64, 72 et 82 sont reliés à une unité électronique 120 qui est représentée de façon très schématique, uniquement à la figure 5, et qui permet de commander ces moteurs de façon synchronisée afin d'obtenir un mouvement prédéterminé d'une flaconnette 4 supportée par le berceau 12. A la figure 5, les flèches S1 à S4 représentent respectivement les signaux électroniques de commande des moteurs 34, 64, 72 et 82 par l'unité 120.The four brushless motors 34, 64, 72 and 82 are connected to an electronic unit 120 which is very schematically represented only at the figure 5 , and which controls these motors in a synchronized manner to obtain a predetermined movement of a bottle 4 supported by the cradle 12. At the figure 5 the arrows S 1 to S 4 respectively represent the electronic control signals of the motors 34, 64, 72 and 82 by the unit 120.

Les paramètres définissant la trajectoire suivie par une flaconnette 4 supportée par le berceau 12 peuvent être aisément adaptés en programmant les phases d'actionnement des moteurs brushless 64, 72 et 82, sans avoir recours à des dispositifs à came, à galet ou à levier qui sont complexes et doivent être changés pour chaque nouvelle trajectoire souhaitée. En d'autres termes, l'utilisation des trois moteurs brushless 64, 72 et 82 confère une grande flexibilité d'utilisation à la machine 2 conforme à l'invention.The parameters defining the trajectory followed by a bottle 4 supported by the cradle 12 can be easily adapted by programming the operating phases of the brushless motors 64, 72 and 82, without resorting to cam, roller or lever devices which are complex and need to be changed for each new desired trajectory. In other words, the use of the three brushless motors 64, 72 and 82 gives a great flexibility of use to the machine 2 according to the invention.

Par une programmation appropriée de l'unité 120, il est possible de faire suivre à une flaconnette montée sur le berceau 12 une trajectoire T allant du poste de chargement 14 au poste de déchargement 16 et ayant la géométrie représentée par le trait épais à la figure 3.By appropriate programming of the unit 120, it is possible to follow a bottle mounted on the cradle 12 a trajectory T from the loading station 14 to the unloading station 16 and having the geometry represented by the thick line to the figure 3 .

Cette trajectoire comprend une partie rectiligne T1 qui s'étend parallèlement à la direction D60 et qui est obtenue en actionnant uniquement le moteur 72.This trajectory comprises a rectilinear part T 1 which extends parallel to the direction D 60 and which is obtained by actuating only the motor 72.

La trajectoire T comprend également une portion T2 en arc de cercle centrée sur un axe XT parallèle à la direction D6, c'est-à-dire perpendiculaire aux directions D60 et D80. L'axe XT n'est pas confondu avec l'axe X54. Cette portion en arc de cercle T2 permet de faire rouler la surface tronconique externe 4a d'une flaconnette 4 contre la face du ruban 20 opposée au poinçon 6, ce qui permet un transfert sans glissement d'un motif de marquage sur la surface 4a. Comme il ressort plus particulièrement de la figure 3, l'axe longitudinal X4 d'une flaconnette 4 s'étend radialement par rapport à l'axe XT et change d'orientation par rapport à celui-ci au cours du mouvement d'une flaconnette 4 le long de l'arc de cercle formé par la portion de trajectoire T2.The trajectory T also comprises a portion T 2 in an arc centered on an axis X T parallel to the direction D 6 , that is to say perpendicular to the directions D 60 and D 80 . The X T axis is not confused with the X axis 54 . This arcuate portion T 2 makes it possible to roll the external frustoconical surface 4a of a bottle 4 against the face of the ribbon 20 opposite the punch 6, which allows a transfer without slip of a marking pattern on the surface 4a. . As is clear from the figure 3 , the longitudinal axis X 4 of a bottle 4 extends radially with respect to the axis X T and changes orientation with respect thereto during the movement of a bottle 4 along the arc circle formed by the portion of trajectory T 2 .

La trajectoire T comprend également une partie rectiligne T3 qui s'étend parallèlement à la direction D60 et permet d'acheminer la flaconnette marquée jusqu'au poste de déchargement 16. Cette portion T3 est obtenue en actionnant uniquement le moteur 72.The trajectory T also comprises a rectilinear part T 3 which extends parallel to the direction D 60 and makes it possible to convey the marked bottle to the unloading station 16. This portion T 3 is obtained by actuating only the motor 72.

Comme il ressort plus particulièrement de la figure 3, la projection horizontale de l'axe longitudinal X4, c'est-à-dire l'axe de révolution, d'une flaconnette 4 reçue sur le support 15 du poste de chargement 14 ou sur le support 17 du poste de déchargement 16 est parallèle à la direction D80, c'est-à-dire perpendiculaire aux directions D6 et D60, ceci indépendamment de la géométrie exacte de chaque flaconnette 4 et de la portion T2 de la trajectoire T. En effet, la géométrie de la trajectoire T est adaptée à la géométrie des pièces à marquer 4, notamment en fonction de l'angle de conicité de leurs parties tronconiques, en programmant le fonctionnement des moteurs 64, 72 et 82 pour obtenir une trajectoire en arc de cercle T2, alors même que demeurent des portions rectilignes T1 et T3. Dans ces conditions, les manipulateurs utilisés pour charger chaque flaconnette 4 sur le berceau 12 et, le cas échéant, pour décharger une flaconnette à partir de ce berceau peuvent être des matériels standards utilisés pour des pièces à marquer cylindriques, dont le fonctionnement n'est pas modifié du fait de la géométrie tronconique des flaconnettes 4. Ceci constitue un progrès significatif par rapport aux matériels de l'état de la technique dans lesquels une trajectoire totalement en arc de cercle était obtenue par la bielle articulée, ce qui imposait des manipulateurs dédiés à chaque type de trajectoire en arc de cercle.As is clear from the figure 3 , the horizontal projection of the longitudinal axis X 4 , that is to say the axis of revolution, of a bottle 4 received on the support 15 of the loading station 14 or on the support 17 of the unloading station 16 is parallel to the direction D 80 , that is to say perpendicular to the directions D 6 and D 60 , this independently of the exact geometry of each vial 4 and the portion T 2 of the trajectory T. Indeed, the Geometry of the trajectory T is adapted to the geometry of the parts to be marked 4, in particular as a function of the taper angle of their frustoconical parts, by programming the operation of the motors 64, 72 and 82 to obtain a trajectory in an arc T 2 , even though there remain rectilinear portions T 1 and T 3 . Under these conditions, the manipulators used to load each bottle 4 on the cradle 12 and, if necessary, to unload a bottle from this cradle may be standard equipment used for cylindrical marking parts, whose operation is not not modified because of the frustoconical geometry of the vials 4. This constitutes a significant advance over the state-of-the-art equipment in which a trajectory totally in an arc of circle was obtained by the articulated rod, which required dedicated manipulators to each type of trajectory in an arc.

On note que l'angle au sommet α de la portion T2 de trajectoire en arc de cercle est relativement faible, inférieur à 40°et de préférence de l'ordre de 20°, de sorte que les éléments déplacés en rotation le sont sur une course d'amplitude angulaire relativement faible, ce qui limite les sollicitations mécaniques des éléments d'entraînement et de supportage par rapport au cas où une trajectoire en arc de cercle s'étendrait entre les postes 14 et 16.It should be noted that the angle at the vertex α of the portion T 2 of an arcuate trajectory is relatively small, less than 40 ° and preferably of the order of 20 °, so that the elements displaced in rotation are on a stroke of relatively small angular amplitude, which limits the mechanical stresses of the drive elements and support relative to the case where an arcuate trajectory would extend between the positions 14 and 16.

L'invention est représentée à la figure 3 dans le cas où la portion en arc de cercle T2 de la trajectoire T est centrée sur un axe XT situé du coté du manchon 52 par rapport aux portions rectilignes T1 et T3. Toutefois, en fonction de la géométrie des pièces à marquer, il est possible de prévoir que cet axe XT soit situé du coté du palier 42, ceci par une simple programmation du fonctionnement des moteurs brushless 64, 72 et 82, grâce à l'unité 120.The invention is represented in figure 3 in the case where the arcuate portion T 2 of the trajectory T is centered on an axis X T located on the side of the sleeve 52 relative to the rectilinear portions T 1 and T 3 . However, depending on the geometry of the parts to be marked, it is possible to provide that this axis X T is located on the side of the bearing 42, this by a simple programming of the operation of brushless motors 64, 72 and 82, thanks to the unit 120.

La structure des moyens d'entraînement 12 et 30 à 102 des flaconnettes 4 par rapport au poinçon 6 permet également de charger une pièce 4 entre le mandrin 44 et le manchon 52 sans que celle-ci ne glisse par rapport au support 15 du poste de chargement 14. En effet, il est possible d'amener le mandrin 44 dans l'alignement de l'axe X4 d'une flaconnette 4 supportée par le support 15 puis de déplacer la table 80 dans un sens de rapprochement du mandrin 44 vers la flaconnette 4 tout en actionnant le vérin 48 pour déplacer le manchon 52 vers la pièce 4, de telle sorte que la pièce 4 est « pincée » entre le mandrin 44 et le manchon 52, sans glisser parallèlement à son axe de révolution, par rapport au support 15. Tout risque de rayure de la surface externe 4a d'une flaconnette est ainsi évité.The structure of the drive means 12 and 30 to 102 of the bottles 4 with respect to the punch 6 also makes it possible to load a part 4 between the mandrel 44 and the sleeve 52 without the latter sliding with respect to the support 15 of the station. loading 14. Indeed, it is possible to bring the mandrel 44 in alignment with the axis X 4 of a bottle 4 supported by the support 15 and then to move the table 80 in a direction of approach of the mandrel 44 to the vial 4 while actuating the cylinder 48 to move the sleeve 52 to the part 4, so that the part 4 is "pinched" between the mandrel 44 and the sleeve 52, without sliding parallel to its axis of revolution, relative at 15. Any risk of scratching the outer surface 4a of a bottle is thus avoided.

La possibilité de mouvement résultant de l'utilisation du moteur 82 permet également de marquer une même zone d'un objet avec deux couleurs, comme représenté schématiquement à la figure 6 pour une flaconnette 4 de forme cylindrique et à section circulaire. Deux rubans 20A et 20B peuvent être disposés côte à côte sous un poinçon tel que le poinçon 6 représenté aux figures 1 et 2. Une flaconnette peut alors être disposée dans une première position représentée sur la gauche de la figure 6 pour la marquer avec un premier motif avec le ruban 20A, par exemple de couleur doré.The possibility of movement resulting from the use of the motor 82 also makes it possible to mark the same area of an object with two colors, as shown schematically in FIG. figure 6 for a bottle 4 of cylindrical shape and circular section. Two ribbons 20A and 20B may be arranged side by side under a punch such as the punch 6 shown in FIGS. figures 1 and 2 . A bottle can then be arranged in a first position shown on the left of the figure 6 to mark it with a first pattern with the ribbon 20A, for example golden color.

En actionnant le moteur 82 de façon appropriée, il est possible de déplacer la flaconnette 4 parallèlement à la direction D80 tout en la déplaçant parallèlement à la direction D60 grâce au moteur 72, pour parvenir dans la position représentée sur la droite de la figure 6 où un motif d'une deuxième couleur, par exemple la couleur noire, peut être apposé grâce au ruban 20B, sur la même zone de la flaconnette 4 que celle marquée précédemment grâce au ruban 20A.By actuating the motor 82 appropriately, it is possible to move the bottle 4 parallel to the direction D 80 while moving it parallel to the direction D 60 through the motor 72, to reach the position shown on the right of the figure 6 where a pattern of a second color, for example the color black, can be affixed thanks to the ribbon 20B, on the same area of the bottle 4 as that previously marked by the ribbon 20A.

Il est à noter que, dans ce cas, le déplacement selon la direction D60 n'est pas obligatoire. La flaconnette 4 peut être amenée successivement en regard des rubans 20A et 20B en étant déplacée uniquement selon la direction D80.It should be noted that in this case, the displacement in the direction D 60 is not mandatory. The bottle 4 can be brought successively opposite the ribbons 20A and 20B by being displaced only in the direction D 80 .

La machine 2 peut être utilisée pour le marquage de pièces cylindriques indépendamment d'un marquage bicolore. Dans ce cas, les moteurs 64 et 82 ne sont pas actionnés, sauf éventuellement le moteur 82 pour des corrections de position de décor ou lors du chargement d'une pièce sur le berceau 12.The machine 2 can be used for marking cylindrical parts independently of a two-color marking. In this case, the motors 64 and 82 are not actuated, except possibly the motor 82 for decor position corrections or when loading a part on the cradle 12.

La machine de l'invention est donc avantageuse à la fois pour le marquage de pièces de révolution de forme tronconique et pour le marquage de pièces de révolution de forme cylindrique, étant entendu que la possibilité de marquage au moyen de deux rubans évoquée ci-dessus en référence à une pièce cylindrique peut également être mise en oeuvre pour une pièce en partie ou en totalité tronconique.The machine of the invention is therefore advantageous both for the marking of parts of revolution of frustoconical shape and for the marking of cylindrical shaped parts of revolution, it being understood that the possibility of marking by means of two ribbons mentioned above with reference to a cylindrical part may also be implemented for a part partially or completely frustoconical.

Dans le cas d'une pièce tronconique, la génératrice 4b de la surface extérieure 4a d'une flaconnette 4 n'est pas parallèle à son axe de révolution X4. Si cet axe de révolution est horizontal, c'est-à-dire perpendiculaire à la direction D6 de mouvement relatif entre le poinçon 6 et la flaconnette 4, la génératrice 4b en question est inclinée par rapport à la surface de marquage 6b du poinçon 6 qui est perpendiculaire à la direction D6. Pour corriger ceci, le berceau 12 est monté par rapport à la platine 53 avec une possibilité de pivotement autour d'un axe X12 perpendiculaire à la direction D6. Pour ce faire, chacune des plaques 30 et 32 est percée d'une lumière 31 ou 33 en arc de cercle centrée sur l'axe X12 et dans laquelle est engagé un boulon 35. Une vis de réglage 37 est en appui sur un pion 39 solidaire de la platine 53 et engagé dans chacune des lumières 31 et 33, ce qui permet d'ajuster précisément la position angulaire des plaques 30 et 32 autour de l'axe X12. Lorsque la position souhaitée est atteinte, il suffit de serrer le boulon 35 pour immobiliser le berceau 12 autour de l'axe X12. Ceci permet de disposer la génératrice 4b parallèlement à la surface de marquage 6b du poinçon 6, c'est-à-dire en pratique horizontalement dans l'exemple des figures, pour une série de pièces 4 à marquer. La possibilité de pivotement du berceau 12 autour de l'axe X12 est représentée par la flèche R12 à la figure 4.In the case of a frustoconical piece, the generator 4b of the outer surface 4a of a bottle 4 is not parallel to its axis of revolution X 4 . If this axis of revolution is horizontal, that is to say perpendicular to the direction D 6 relative movement between the punch 6 and the bottle 4, the generator 4b in question is inclined relative to the marking surface 6b of the punch 6 which is perpendicular to the direction D 6 . To correct this, the cradle 12 is mounted relative to the plate 53 with a possibility of pivoting about an axis X 12 perpendicular to the direction D 6 . To do this, each of the plates 30 and 32 is pierced by a light 31 or 33 in the form of a circular arc centered on the X axis 12 and in which a bolt 35 is engaged. A set screw 37 bears on a pin 39 integral with the plate 53 and engaged in each of the slots 31 and 33, which allows to accurately adjust the angular position of the plates 30 and 32 about the axis X 12 . When the desired position is reached, it is sufficient to tighten the bolt 35 to immobilize the cradle 12 about the axis X 12 . This allows to have the generator 4b parallel to the marking surface 6b of the punch 6, that is to say in practice horizontally in the example of the figures, for a series of parts 4 to mark. The possibility of pivoting of the cradle 12 about the axis X 12 is represented by the arrow R 12 at the figure 4 .

Les axes X12 et X44 sont sécants. En pratique, les axes X12, X44 et X54 sont sécants au centre de chaque flaconnette 4 supportée par le berceau 12, ce centre étant défini comme un point de l'axe X4 équidistant des extrémités de la flaconnette.The X 12 and X 44 axes are intersecting. In practice, the X 12 , X 44 and X 54 axes intersect at the center of each vial 4 supported by the cradle 12, this center being defined as a point of the axis X 4 equidistant from the ends of the vial.

Selon un aspect de l'invention qui est avantageux mais qui n'est pas représenté, il est possible de motoriser le mouvement du berceau 12 autour de l'axe X12, de telle sorte que la position de la génératrice 4b d'une pièce tronconique peut être ajustée en cours de marquage. Ceci est particulièrement avantageux dans le cas d'une pièce dont l'angle de conicité varie, notamment dans le cas d'une pièce présentant deux surfaces tronconiques avec des angles de conicité de signe opposé. Dans ce cas, un premier marquage peut avoir lieu avec un premier réglage de l'orientation du berceau 12 autour de l'axe X12, puis un deuxième marquage peut avoir lieu sur une autre partie de la surface extérieure de la pièce à marquer, grâce à un deuxième réglage de la position du berceau 12 autour de l'axe X12.According to one aspect of the invention which is advantageous but not shown, it is possible to motorize the movement of the cradle 12 about the axis X 12 , so that the position of the generator 4b of a part frustoconical can be adjusted during marking. This is particularly advantageous in the case of a part whose angle of conicity varies, especially in the case of a part having two frustoconical surfaces with taper angles of opposite sign. In this case, a first marking can take place with a first adjustment of the orientation of the cradle 12 around the axis X 12 , then a second marking can take place on another part of the outer surface of the part to be marked, thanks to a second adjustment of the position of the cradle 12 around the axis X 12 .

L'invention a été représentée dans le cas où la direction D6 est verticale.
Elle est toutefois applicable à d'autres configurations, notamment au cas où la direction de rapprochement du poinçon et de la pièce à marquer est horizontale.The invention has been shown in the case where the direction D 6 is vertical.
However, it is applicable to other configurations, especially in the case where the direction of approach of the punch and the workpiece is horizontal.

L'invention a été représentée dans le cas où le mouvement du poinçon par rapport à la pièce à marquer est un mouvement de translation opéré par le vérin 8. L'invention est toutefois applicable au cas où le poinçon suit une trajectoire en arc de cercle. Dans ce cas, la partie terminale de la trajectoire de rapprochement du poinçon et de la pièce à marquer peut être approximée comme étant parallèle à une droite normale à une face de marquage du poinçon. Selon une variante non représentée de l'invention, le poinçon peut être fixe et la pièce à marquer est déplacée vers le poinçon selon la direction D6.The invention has been shown in the case where the movement of the punch relative to the part to be marked is a translational movement operated by the cylinder 8. The invention is however applicable to the case where the punch follows an arcuate trajectory . In this case, the end portion of the approach path of the punch and the part to be marked can be approximated as being parallel to a line normal to a marking face of the punch. According to a not shown variant of the invention, the punch can be fixed and the part to be marked is moved towards the punch in the direction D 6 .

L'invention est décrite ci-dessus et représentée sur les figures ci-jointes pour un mode de réalisation où elle est appliquée à une machine de marquage, ce qui est tout à fait avantageux.The invention is described above and shown in the accompanying figures for an embodiment where it is applied to a marking machine, which is quite advantageous.

L'invention peut également être mise en oeuvre pour une machine de sérigraphie, auquel cas on doit déplacer une pièce à marquer en regard d'un écran encré qui forme un organe de marquage, dont la fonction est comparable à celle du poinçon 6 mentionné ci-dessus.The invention may also be implemented for a screen printing machine, in which case it is necessary to move a part to be marked opposite an inked screen which forms a marking member, whose function is comparable to that of the punch 6 mentioned above. -above.

L'invention est également applicable, dans un autre mode de réalisation, à une machine d'étiquetage, plus précisément une machine de pose d'étiquettes, dans laquelle une laize sur laquelle sont disposées des étiquettes circule jusqu'à proximité de pièces à étiqueter, alors qu'un organe d'appui, couramment dénommé « sabre », presse périodiquement la laize contre la surface extérieure des pièces à étiqueter, afin d'y appliquer une étiquette. Là encore, les pièces à étiqueter, qu'elles soient cylindriques ou coniques, doivent être déplacées par rapport à l'organe de pose d'étiquettes que constitue le sabre et l'invention peut être mise en oeuvre à cet effet.The invention is also applicable, in another embodiment, to a labeling machine, more specifically a label-laying machine, in which a width on which labels are arranged circulates to the vicinity of parts to be labeled. , while a support member, commonly called "saber" periodically presses the width against the outer surface of the parts to be labeled, in order to apply a label. Again, the parts to be labeled, whether cylindrical or conical, must be moved with respect to the tagging member that constitutes the sword and the invention can be implemented for this purpose.

Claims (13)

Machine (2) de marquage ou d'étiquetage de pièces de révolution (4), cette machine comprenant : - un organe (6) de marquage ou d'étiquetage, - des moyens (8) de déplacement relatif de l'organe et d'une pièce selon une première direction (D6), - un berceau (12) apte à tenir une pièce lors de son marquage ou de la pose d'une étiquette, ce berceau étant pourvu de moyens (34-44) d'entraînement de la pièce en rotation autour de son axe de révolution (X4), et - un chariot d'entraînement (60) du berceau, en translation (F2) selon une deuxième direction (D60) perpendiculaire à la première direction,
caractérisée en ce que la machine comprend : - des moyens (80-90, 94-102) d'entraînement du chariot (60), en translation (F3) selon une troisième direction (D80) perpendiculaire aux première et deuxième directions (D6, D60), et - des moyens (54, 56, 64) d'entraînement du berceau (12) par rapport au chariot (60), en rotation (R1) autour d'un premier axe (X54) parallèle à la première direction. Machine (2) for marking or labeling revolution pieces (4), this machine comprising: an organ (6) for marking or labeling, means (8) for relative displacement of the member and of a workpiece in a first direction (D 6 ), - A cradle (12) adapted to hold a part during its marking or the application of a label, this cradle being provided with means (34-44) for driving the part in rotation about its axis of revolution ( X 4 ), and - a carriage (60) of the cradle, in translation (F 2 ) in a second direction (D 60 ) perpendicular to the first direction,
characterized in that the machine comprises: means (80-90, 94-102) for driving the carriage (60) in translation (F 3 ) in a third direction (D 80 ) perpendicular to the first and second directions (D 6 , D 60 ), and - means (54, 56, 64) for driving the cradle (12) relative to the carriage (60), in rotation (R 1 ) about a first axis (X 54 ) parallel to the first direction. Machine selon la revendication 1, caractérisée en ce que le premier axe (X54) est sécant avec l'axe longitudinal (X4) d'une pièce (4) tenue par le berceau.Machine according to claim 1, characterized in that the first axis (X 54 ) is secant with the longitudinal axis (X 4 ) of a part (4) held by the cradle. Machine selon l'une des revendications précédentes, caractérisée en ce que les moyens d'entraînement du chariot (60) en translation comprennent une table (80) sur laquelle est monté le chariot avec possibilité de déplacement en translation (F2) selon la deuxième direction (D60), cette table étant elle-même mobile en translation (F3), par rapport à une structure porteuse fixe (92), selon la troisième direction (D80).Machine according to one of the preceding claims, characterized in that the drive means of the carriage (60) in translation comprise a table (80) on which is mounted the carriage with possibility of displacement in translation (F 2 ) according to the second direction (D 60 ), this table itself being movable in translation (F 3 ), with respect to a fixed bearing structure (92), in the third direction (D 80 ). Machine selon la revendication 3, caractérisée en ce que le chariot (60) est déplacé en translation (F2) par rapport à la table (80), selon la deuxième direction (D60), au moyen d'un entraînement à vis/écrou (68/70), alors que la table (80) est déplacée en translation (F3) par rapport à la structure porteuse fixe (92), selon la troisième direction (D80), au moyen d'un entraînement à courroie (82-86).Machine according to claim 3, characterized in that the carriage (60) is moved in translation (F 2 ) relative to the table (80), in the second direction (D 60 ), by means of a screw drive / nut (68/70), while the table (80) is moved in translation (F 3 ) relative to the fixed bearing structure (92), in the third direction (D 80 ), by means of a belt drive (82-86). Machine selon l'une des revendications précédentes, caractérisée en ce que les moyens d'entraînement de la pièce (4) en rotation sur le berceau (12), du berceau en rotation (R1) par rapport au chariot (60) et du chariot en translation (F2, F3) selon les deuxième et troisième directions (D60, D80) comprennent quatre moteurs de type brushless (34, 64, 72, 82) et au moins une unité (120) de commande synchronisée (S1-S4) de ces moteurs.Machine according to one of the preceding claims, characterized in that the means for driving the workpiece (4) in rotation on the cradle (12), the cradle in rotation (R 1 ) relative to the carriage (60) and the trolley in translation (F 2 , F 3 ) in the second and third directions (D 60 , D 80 ) comprise four brushless type motors (34, 64, 72, 82) and at least one synchronized control unit (120) ( S 1 -S 4 ) of these engines. Machine selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend des moyens (31, 33, 35, 37, 39) de réglage de la position du berceau (12) par rapport au chariot (60), en rotation autour d'un deuxième axe (X12) perpendiculaire à la première direction (D6).Machine according to one of the preceding claims, characterized in that it comprises means (31, 33, 35, 37, 39) for adjusting the position of the cradle (12) relative to the carriage (60), rotating around it a second axis (X 12 ) perpendicular to the first direction (D 6 ). Machine selon la revendication 6, caractérisée en ce qu'elle comprend des moyens d'entraînement du berceau (12) en rotation autour du deuxième axe (X12).Machine according to claim 6, characterized in that it comprises means for driving the cradle (12) in rotation about the second axis (X 12 ). Machine selon l'une des revendications précédentes, caractérisée en ce qu'il s'agit d'une machine de marquage à chaud, en ce que l'organe de marquage est un poinçon chauffant (6), en ce qu'elle comprend des moyens (22) d'amenée d'un ruban de marquage (20) entre le poinçon et une pièce à marquer (4) et en ce que la première direction (D6) est perpendiculaire à une portion (20a) du ruban disposée entre le poinçon et la pièce.Machine according to one of the preceding claims, characterized in that it is a hot stamping machine, in that the marking member is a heating punch (6), in that it comprises means (22) for feeding a marking tape (20) between the punch and a workpiece (4) and in that the first direction (D 6 ) is perpendicular to a portion (20a) of the ribbon disposed between the punch and the piece. Machine selon l'une des revendications 1 à 7, caractérisée en ce qu'il s'agit d'une machine de sérigraphie et en ce que l'organe de marquage est un écran encré.Machine according to one of claims 1 to 7, characterized in that it is a screen printing machine and in that the marking member is an inked screen. Machine selon l'une des revendications 1 à 7, caractérisée en ce qu'il s'git d'une machine de pose d'étiquettes à partir d'une laize et en ce que l'organe est apte à appliquer une étiquette contre chaque pièce à étiqueter.Machine according to one of claims 1 to 7, characterized in that it is a label-laying machine from a width and that the member is able to apply a label against each room to be labeled. Procédé de marquage ou d'étiquetage d'une pièce de révolution (4) qui est au moins en partie tronconique, ce procédé étant mis en ouvre au moyen d'une machine selon l'une des revendications précédentes et comprenant des étapes consistant à : a) charger la pièce sur le berceau dans un poste de chargement (14) ; b) déplacer le berceau équipé de la pièce selon une trajectoire (T) allant du poste de chargement (14) à un poste de déchargement (16) et comprenant au moins une portion (T2) en arc de cercle centrée sur un deuxième axe (XT) parallèle à la première direction (D6), en déplaçant le chariot (60) en translation (F2, F3) selon les deuxième et troisième directions (D60, D80) et en faisant tourner (R1) le berceau par rapport au chariot autour du premier axe (X54) parallèle à la première direction (D6) ; c) opérer un déplacement relatif de l'organe (6) et de la pièce, selon la première direction (D6), de façon à plaquer un élément de marquage ou d'étiquetage (20) sur la pièce pendant une partie au moins du déplacement du berceau selon la trajectoire (T) de l'étape b) et d) décharger la pièce du berceau dans le poste de déchargement (16). Method for marking or labeling a part of revolution (4) which is at least partly frustoconical, this method being implemented by means of a machine according to one of the preceding claims and comprising the steps of: a) loading the workpiece on the cradle at a loading station (14); b) moving the cradle equipped with the workpiece in a path (T) from the loading station (14) to an unloading station (16) and comprising at least one portion (T 2 ) in a circular arc centered on a second axis (X T ) parallel to the first direction (D 6 ), by moving the carriage (60) in translation (F 2 , F 3 ) in the second and third directions (D 60 , D 80 ) and rotating ( R 1 ) the cradle relative to the carriage about the first axis (X 54 ) parallel to the first direction (D 6 ); c) operating a relative movement of the member (6) and the workpiece, in the first direction (D 6 ), so as to press a marking or labeling element (20) on the workpiece for at least a part the displacement of the cradle according to the trajectory (T) of step b) and d) unloading the piece from the cradle in the unloading station (16). Procédé selon la revendication 11, caractérisé en ce que la trajectoire du berceau suivie dans l'étape b) comprend au moins une portion rectiligne (T1, T3) parallèle à la deuxième direction (D60) et située avant ou après la portion en arc de cercle (T2) alors que, lorsqu'il est dans les postes de chargement et/ou de déchargement, le berceau (12) prend ou tient la pièce dans une position où la projection de son axe de révolution (X4), sur un plan contenant les deuxième et troisième directions (D60, D80), est parallèle à la troisième direction (D80).Method according to claim 11, characterized in that the trajectory of the cradle followed in step b) comprises at least one rectilinear portion (T 1 , T 3 ) parallel to the second direction (D 60 ) and located before or after the portion in an arc (T 2 ) while, when in the loading and / or unloading stations, the cradle (12) takes or holds the workpiece in a position where the projection of its axis of revolution (X 4 ), on a plane containing the second and third directions (D 60 , D 80 ), is parallel to the third direction (D 80 ). Procédé selon l'une des revendications 11 ou 12, caractérisé en ce que le berceau (12) est orienté, par rapport au chariot (60) et autour d'un axe (X12) perpendiculaire à la première direction (D6), de façon que la génératrice externe (4b) de la partie de la pièce en cours de marquage ou d'étiquetage soit parallèle à une surface active (6b) de l'organe (6) de marquage ou d'étiquetage.Method according to one of claims 11 or 12, characterized in that the cradle (12) is oriented relative to the carriage (60) and about an axis (X 12 ) perpendicular to the first direction (D 6 ), so that the external generator (4b) of the part of the coin being marked or labeled is parallel to an active surface (6b) of the member (6) marking or labeling.
EP10157283A 2009-03-24 2010-03-23 Apparatus and method for marking or labelling Active EP2236296B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0951898A FR2943634B1 (en) 2009-03-24 2009-03-24 MACHINE AND METHOD FOR MARKING OR LABELING

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EP2236296A1 true EP2236296A1 (en) 2010-10-06
EP2236296B1 EP2236296B1 (en) 2012-05-16

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EP (1) EP2236296B1 (en)
BR (1) BRPI1001602B1 (en)
ES (1) ES2387552T3 (en)
FR (1) FR2943634B1 (en)

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Also Published As

Publication number Publication date
US8322279B2 (en) 2012-12-04
US20100242762A1 (en) 2010-09-30
ES2387552T3 (en) 2012-09-26
FR2943634B1 (en) 2011-04-22
EP2236296B1 (en) 2012-05-16
BRPI1001602B1 (en) 2021-07-20
BRPI1001602A2 (en) 2011-08-16
FR2943634A1 (en) 2010-10-01
BRPI1001602A8 (en) 2017-05-09

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