EP2374719B1 - Device for applying adhesive segments to moving parcels - Google Patents

Device for applying adhesive segments to moving parcels Download PDF

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Publication number
EP2374719B1
EP2374719B1 EP20110159098 EP11159098A EP2374719B1 EP 2374719 B1 EP2374719 B1 EP 2374719B1 EP 20110159098 EP20110159098 EP 20110159098 EP 11159098 A EP11159098 A EP 11159098A EP 2374719 B1 EP2374719 B1 EP 2374719B1
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EP
European Patent Office
Prior art keywords
plate
adhesive
segment
equipment
lever
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EP20110159098
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German (de)
French (fr)
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EP2374719A1 (en
Inventor
Cyriaque Petitjean
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Cypack
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Cypack
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/06—Applying adhesive tape
    • B65B51/067—Applying adhesive tape to the closure flaps of boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/14—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for incorporating, or forming and incorporating, handles or suspension means in packages

Definitions

  • the invention relates to a device for laying adhesive segments on packages in continuous scrolling.
  • package denotes indifferently individual packages or sets of packages or containers joined by a plastic envelope or cardboard
  • adheresive segment refers to a stretch of tape which, adhesive on one or both sides and with or without a label for neutralizing its gripping zone, is obtained by cutting a continuous strip unwinding from a reel.
  • Such adhesive segments are used either to form carrying handles, or to bind the package of external elements, or to fulfill a decorative function or tearing of the package of connecting the components of the package.
  • this installation equipment is disposed at the output of a packaging installation and / or grouping packages or packs comprising a conveyor ensuring the movement of packages. It thus constitutes an independent assembly that can be installed at the end of the chain.
  • the invention relates more particularly to adhesive segment laying equipment comprising a rotary plate bearing means for supporting the adhesive strip, means for drawing this strip to unwind it from a reel, means for severing the strip. to form a segment and means for maintaining this segment until it is transferred to the package.
  • the state of the art provides three types of turntable devices.
  • the one described in the document FR2142107 is intended to place handles on the transverse edges, respectively upstream and downstream of a package which is arranged lying on the conveyor ensuring its displacement.
  • the tray is rotatably mounted about a vertical axis and is disposed on one side of the conveyor. It contains several identical items each comprising means for retaining the adhesive strip, then the segment, and a horizontal range expandable by a fixed station jack and whose branches have a spacing equal in value to the dimension between the upstream and downstream faces of the parcel.
  • the laying of the adhesive segment is carried out by driving its ends by means of the fork reached at the transfer station and by the transverse displacement of branches of this range, of on both sides of the parcel stopped, and by plating the ends of the segment against the parcel by the ends of the fork.
  • the maintenance of the adhesive tape and the adhesive segment implements many expensive and noisy pneumatic means, and the connection of the ends of the adhesive segment with the package is inconstant, since it depends on the regularity of the thickness of the package between its faces. transverse, respectively, anterior and posterior. Finally, the operating rate is slow since, to set the adhesive segment, it is necessary to stop the movement of the package and, during this time of stopping, communicate with the fork a movement back and forth transversely to the path of travel of the parcel.
  • the turntable is disposed above the conveyor and is rotatably mounted about a horizontal axis disposed substantially in the longitudinal median plane of the path of the packages on the conveyor.
  • This plate is in the form of a hollow drum whose periphery is arranged to maintain by depression the adhesive tape and the adhesive segment. This plate cooperates with external elements ensuring the cutting of the tape and the transfer of the ends of the adhesive segment towards the lateral faces of the package at a standstill.
  • the transfer means are arranged fixed station and composed of a vertical fork whose branches have extreme cylindrical bearing surfaces.
  • This fork is linked to a mechanical control able to move it between a retracted position, in which its branches are inside the drum, and a transfer position, in which, after passing through the peripheral wall of the drum, the branches move the ends of the segment and then flatten them on the side faces of the package.
  • this equipment is expensive, noisy, slow and provides a fixation of the adhesive segment on the package that depends on the regularity of the thickness of the package.
  • the alternative movement of the fork also requires stopping the movement of the package.
  • the turntable is disposed above the conveyor and the path of the packages and is rotatably mounted about a vertical axis substantially disposed in the longitudinal median plane of the path of movement of packages by the conveyor.
  • This plate cooperates with external means of cutting the segment in the ribbon and with brushes external vertices ensuring the application of the ends of the segment on the side walls of the package.
  • This plate therefore comprises only ribbon guide means from a reel and several identical transfer stations of the adhesive segment.
  • Each of these positions comprises levers which, articulated on the plate and provided with pinching means of the ends of the segment, react to fixed cams to approach the transfer station, pivot and become vertical, pinch the ends of the ribbon and the adhesive segment, then, by the rotation of the plate, transversely stretching this segment in the path of the package reaching the transfer station.
  • the package itself which takes the adhesive segment and passes it to the next station, where the vertical brushes ensure the plating of its ends against the side faces of the package.
  • a first disadvantage of this device is that the segment is placed on the only front of the package, which is lying, ie in a position that can not take all packages.
  • a second disadvantage comes from the obligation to complete the rotation cycle of the tray before engaging a laying cycle on the next package, failing which this tray would be an obstacle to the passage of this package.
  • the rate of installation is of the order of 45 per minute which is insufficient for current packaging chains working between 60 and 80 minutes strokes.
  • the object of the invention is to provide a device for laying adhesive segments on packages in continuous scrolling, having a fully mechanical operation and working at a high rate, while ensuring regular attachment of the ends of the segments on the packages, despite the dimensional variations of these packages in the usual tolerances range.
  • each of the workstations carried by the turntable comprises means for transferring the adhesive segment and means for plating the ends of this segment, these means being formed by two compasses, respectively anterior and posterior, having a branch. articulated on the plate and another branch bearing a veneer roll, these branches being resiliently biased into the rest position in the bulk of the plate and cooperating with control rollers, of fixed position, causing, by the rotation of the plate and in each successive station, i) the development of the free branch of the anterior compass out of the plate with rolling of its roll against the anterior end of the adhesive segment to apply it against the anterior face of the package in displacement, then, ii) the development the free leg of the posterior compass off the plate with its roller bearing against the posterior end of the adhesive segment to apply it against the back side of the package.
  • the tray is disposed above the conveyor moving the packages and is integral with a drive shaft which is rotatably mounted about a horizontal axis, arranged transversely to the path of the packages .
  • This arrangement allows, among other things, the installation of handle on the upper part of packages, such as packs of containers or boxes.
  • the plate is secured to a vertical drive shaft and is disposed on one side of the conveyor moving the packages and so that the branches of its compasses come, in the developed state, to on both sides of the moving parcels by the conveyor.
  • This equipment makes it possible, among other functions, to place adhesive, decorative, informative or reinforcing segments on the longitudinal sides of a package or pack.
  • the articulated branch on the plate of each compass is associated with spring means tending to bring it back to the rest position in the plate and against a stop of this plate
  • the front compass comprises, in the articulation of its branches, spring means tending to separate said branches and bring them to the separated position, resting against a stop of the plate
  • the posterior compass includes in the articulation of its branches spring means tending to bring its branches.
  • the spring means bring the branches in the positions they must have in each phase of a laying cycle and thus ensure the proper operation of the mechanism.
  • the equipment comprises a frame 2, adapted to the functions of the application and to the frame, not shown, of a conveyor 3, with a belt or the like, able to move parcels 4 in the direction of the arrows 11. the whole of the description which follows the direction of rotation of the plate is represented by the arrow 101.
  • the equipment represented in figure 1 is intended to deposit on each package 4 a segment 5 of adhesive tape 6 having a single adhesive face. Each segment is intended to form a grip handle. The adhesive nature of the central portion of the handle is neutralized by a piece of paper tape, 6a at the figure 1 .
  • the fragment 5 is placed on the fly, on the package 4 in displacement, by a rotary plate 7 disposed above the conveyor 3 and the drive shaft 8 is rotatably mounted in the frame 2 and around an axis X'-X, horizontal and transverse.
  • the plate 7 carries the various mechanical means which are described below with reference to the Figures 3 to 5 and which participate in the maintenance of the band, sectioning and maintaining the segment, the transfer and plating of each segment 6 on the faces, respectively, anterior 4a and posterior 4b of a package.
  • the application shown schematically in the figure 2 differs from the previous one in that, for laying adhesive segments 5a, informative or decorative, on one side of each package 4 moving, the plate 7a is disposed above and on one side of the conveyor 3 and is carried by the frame 2a so that the axis of rotation Z'-Z of its shaft 8a is vertical.
  • FIGs 3 to 4 show that the plate 7 has, in front view, a generally square shape and door, both on its front face ( figure 3 ) only on its back side, ( figure 4 ), four workstations generally designated by references P1 to P4. These four stations are equidistant angularly, that is to say are offset by 90 degrees, and are interposed with holding sets M1 to M4 of the adhesive strip 6 and segment 5, also distributed at 90 degrees, but on the back of the board 7.
  • each station P1 to P4 disposed against the front face of the plate 7, carries means for transferring the segment and plating its ends on the package comprising two compasses, respectively, anterior 12-13 and posterior 14-15.
  • One end of the leg 12 of the front compass 12-13 is articulated by an axis 16 on the plate 7 and carries, at its other end, an axis 17 on which the free arm 13 is articulated.
  • one of the ends of the branch 14 of the rear compass 14-15 is articulated by an axis 18 on the plate and carries, at its other end, an axis 19 for the articulation of the branch 15.
  • the ends of the free branches 13 and 15 each carry a pivot, respectively 20, 22, for a veneer roll 23, 24.
  • the branch 12 or 14 which is articulated on the plate 7 also comprises spring means, for example a torsion spring 25.
  • the spring 25 is wound around the hinge 16 and bears on a protruding finger 26 of the plate and on a protruding finger 27 of the branch. It tends to bring the branch 12 in the rest position against a stop 28 inside the tray.
  • This stop is for example constituted by a tenon in viscoelastic material arranged axially in the extension of the shaft, to which it is connected by an axial screw 29, visible figure 5 .
  • Another torsion spring 25 is also wound around the hinge 18 of the branch 14 of the other compass. One of its ends is supported on a piece 51 of the near jaw, while its other end is supported on a protruding finger 41 of the branch and so that said branch is biased against a stop 21 of the plate or against the pin 28 .
  • the hinge 17 between the legs of the compass 12-13 comprises spring means tending to separate these branches and, for example a torsion spring 30, wound around the hinge 17 and whose radial ends are supported on 32 fingers protruding branches.
  • a torsion spring 30 wound around the hinge 17 and whose radial ends are supported on 32 fingers protruding branches.
  • the articulation 19 between the legs 14 and 15 of the rear compass 14-15 comprises spring means tending to bring these branches together, such as a torsion spring 33 wound on the hinge 19 and bearing on the projecting fingers 34 of the branches. At rest, the approximation of the two branches 14 and 15 is limited by support stop means disposed in their articulation.
  • the branches are arranged in the space of the plate 7 and the rollers 23 and 24 retract in notches 35 formed radially in this plate.
  • rollers 36 and 37 mounted free to rotate on an axis 38 carried by an arm 39 of the frame of the equipment. As shown in figure 5 these rollers are offset so that the 36 is in the circular path of the branches 12 of the front compasses 12-13, while that 37 is in the trajectory of the legs 14 of the rear compasses 14-15.
  • the axes 16 of articulation on the plate of the front compasses 12-13 have longer lengths than those of the hinge pins 18 on the plate of the rear compasses 14-15, so that the branches of these rear compasses 14-15 move in a space disposed between the plate 7 and the space in which the front compasses 12-13 moves.
  • control roller 37 comes into contact with another roller 40 mounted free to rotate on an axis 42 projecting laterally from each branch 14 and visible figure 5 .
  • the spreadable jaw 49 is formed by two fingers 52 which, transversely spaced, carry rollers 52a, free in rotation and can bear against a shoulder 48 of the fixed jaw 50 facing them to ensure a good pinch of the band 6 inserted between these jaws 50-49.
  • the lever 53 is articulated on an axis 54 carried by lateral bearings 55 protruding from the back of the plate, and has a heel 56 at its other end. It is able to come into contact with a fixed cam 58, carried by the frame 2. In the form shown, this contact is made by a roller 57 mounted free to rotate in the heel.
  • a spring 59 is disposed between the heel 56 and the plate 7 to permanently recall the lever 53 in its pinch position, shown at the bottom of the figure 5 .
  • the fixed jaw 50 is composed of two elements 50a and 50b, spaced transversely from one another, so as to form between them a slot 60 which, visible figures 3 and 4 , allows the passage of a cutting blade 62 for severing the adhesive segment 5 in the strip 6.
  • the blade 62 is part of a disconnecting device, external to the plate and comprising a rocking lever 63, articulated around a horizontal axis 64 of the frame. This axis is positioned on the frame 2 so that the blade 62 is in front of the slot of the M1 jaws which are arranged after the next post P1 of a segment.
  • the lever 63 is permanently subjected to the action of a spring which, schematized in 79 at the figure 4 and to Figures 11 and 12 , tends to bring it back to its vertical position of severing the adhesive tape.
  • the free end of the lever has a housing 66, home to a caster arming 65, and carries the cutting blade 62 below this housing. As shown in figure 4 , the blade is projecting from the free end of the lever 63 and closes the housing 66.
  • the blade is fixed on a support 67 which, on the one hand, is pivotally mounted on an axis 68 of the lever 63 and, on the other hand, is recalled in the cutting position of the blade and closing the housing 66, by spring means, such as a torsion spring 80.
  • the rollers 65 are rotatably mounted on the plate 7 and arranged projecting from each of its angles.
  • the plate 7 At rest and at the start of a cycle, the plate 7 is in the position shown in FIGS. figures 3 and 4 .
  • the strip 6, from a reel, not shown, passes over the jaws M3, then in the open position, before being clamped between the jaws M2 and M1.
  • the band segment 5 is pinched by its ends in the jaws M1 and M4.
  • the blade 62 can in no way be an obstacle to the rotation of the plate.
  • the severing operation can be performed without the rotation of the tray stopping. Indeed, after cutting the strip 6 by the instantaneous and rapid shear force provided by the spring 79, the end of the blade 62 which is disposed in slot 60, substantially at the shoulders 50a of the jaws 50, is pivoted in the direction of the arrow 71. This pivoting removes any obstacle to the rotation of the plate and allows the cutting, even with a continuous rotation of the plate.
  • This phase of the cycle ensures not only the transfer of the adhesive end of the segment 5 on the package 4, but also its veneer by a masking movement affecting its entire surface and ensuring a good connection.
  • the kinematics communicated to the legs of the rear compass 14-15 ensures the movement of the roller 24 downwards and upwards thus achieving a double marouflage and veneer.
  • the sensor 73 controls the stop rotation of the tray.
  • the ends of the adhesive segments are plated over their entire length and their entire surface, in the same way on both sides, ensuring a very strong bond with the package.
  • the equipment which has been described in its application to the installation of handles can also, as described with reference to the figure 2 , be applied to the application of adhesive tapes on all packages.

Description

L'invention concerne un équipement de pose de segments adhésifs sur des colis en défilement continu.The invention relates to a device for laying adhesive segments on packages in continuous scrolling.

Dans la description qui suit le terme « colis » désigne indifféremment des paquets individuels ou des ensembles de paquets ou conteneurs réunis par une enveloppe en matière plastique ou en carton, tandis que l'expression « segment adhésif » désigne un tronçon de ruban qui, adhésif sur une ou deux faces et présentant ou non une étiquette de neutralisation de sa zone de préhension, est obtenue par découpage d'une bande continue se dévidant d'une bobine.In the description which follows the term "package" denotes indifferently individual packages or sets of packages or containers joined by a plastic envelope or cardboard, while the expression "adhesive segment" refers to a stretch of tape which, adhesive on one or both sides and with or without a label for neutralizing its gripping zone, is obtained by cutting a continuous strip unwinding from a reel.

De tels segments adhésifs sont utilisés soit pour constituer des poignées de portage, soit pour lier au colis des éléments extérieurs, soit pour remplir une fonction décorative ou de déchirage de l'enveloppe de liaison des composants du colis.Such adhesive segments are used either to form carrying handles, or to bind the package of external elements, or to fulfill a decorative function or tearing of the package of connecting the components of the package.

Actuellement, cet équipement de pose est disposé en sortie d'une installation de conditionnement et/ou de regroupement de paquets ou packs comprenant un convoyeur assurant le déplacement des colis. Il constitue ainsi un ensemble indépendant pouvant être installé en fin de chaîne.Currently, this installation equipment is disposed at the output of a packaging installation and / or grouping packages or packs comprising a conveyor ensuring the movement of packages. It thus constitutes an independent assembly that can be installed at the end of the chain.

L'invention concerne plus particulièrement les équipements de pose de segments adhésifs comprenant un plateau rotatif portant des moyens d'appui de la bande adhésive, des moyens de tirage de cette bande pour la dévider d'une bobine, des moyens de sectionnement de la bande pour en former un segment et des moyens de maintien de ce segment jusqu'à son transfert sur le colis.The invention relates more particularly to adhesive segment laying equipment comprising a rotary plate bearing means for supporting the adhesive strip, means for drawing this strip to unwind it from a reel, means for severing the strip. to form a segment and means for maintaining this segment until it is transferred to the package.

L'état de la technique fournit trois types de dispositifs à plateau rotatif. Celui décrit dans le document FR2142107 est destiné à poser des poignées sur les bords transversaux, respectivement amont et aval d'un colis qui est disposé couché sur le convoyeur assurant son déplacement. Le plateau est monté rotatif autour d'un axe vertical et est disposé d'un coté du convoyeur. Il contient plusieurs postes identiques comprenant chacun des moyens de retenu de la bande adhésive, puis du segment, et une fourchette horizontale extensible par un vérin à poste fixe et dont les branches ont un écartement de valeur égale à la dimension entre les faces amont et aval du colis. La pose du segment adhésif s'effectue par entraînement de ses extrémités au moyen de la fourchette parvenue au poste de transfert et par le déplacement transversal de branches de cette fourchette, de part et d'autre du colis à l'arrêt, et par placage des extrémités du segment contre le colis par les extrémités de la fourchette.The state of the art provides three types of turntable devices. The one described in the document FR2142107 is intended to place handles on the transverse edges, respectively upstream and downstream of a package which is arranged lying on the conveyor ensuring its displacement. The tray is rotatably mounted about a vertical axis and is disposed on one side of the conveyor. It contains several identical items each comprising means for retaining the adhesive strip, then the segment, and a horizontal range expandable by a fixed station jack and whose branches have a spacing equal in value to the dimension between the upstream and downstream faces of the parcel. The laying of the adhesive segment is carried out by driving its ends by means of the fork reached at the transfer station and by the transverse displacement of branches of this range, of on both sides of the parcel stopped, and by plating the ends of the segment against the parcel by the ends of the fork.

Le maintien du ruban adhésif et du segment adhésif met en oeuvre de nombreux moyens pneumatiques couteux et bruyants, et la liaison des extrémités du segment adhésif avec le colis est inconstante, puisqu'elle dépend de la régularité de l'épaisseur du colis entre ses faces transversales, respectivement, antérieure et postérieure. Enfin, la cadence de fonctionnement est lente puisque, pour poser le segment adhésif, il faut arrêter le déplacement du colis et, pendant ce temps d'arrêt, communiquer à la fourchette un mouvement d'aller et retour transversalement à la trajectoire de déplacement des colis.The maintenance of the adhesive tape and the adhesive segment implements many expensive and noisy pneumatic means, and the connection of the ends of the adhesive segment with the package is inconstant, since it depends on the regularity of the thickness of the package between its faces. transverse, respectively, anterior and posterior. Finally, the operating rate is slow since, to set the adhesive segment, it is necessary to stop the movement of the package and, during this time of stopping, communicate with the fork a movement back and forth transversely to the path of travel of the parcel.

Dans le document EP0174015 le plateau rotatif est diposé au dessus du convoyeur et est monté en rotation autour d'un axe horizontal disposé sensiblement dans le plan médian longitudinal de la trajectoire des colis sur le convoyeur. Ce plateau est en forme de tambour creux dont la périphérie est agencée pour maintenir par dépression le ruban adhésif et le segment adhésif. Ce plateau coopère avec des éléments extérieurs assurant le sectionnement du ruban et le transfert des extrémités du segment adhésif en direction des faces latérales du colis à l'arrêt. Les moyens de transfert sont disposés à poste fixe et composés d'une fouchette verticale dont les branches sont dotées de portées cylindriques extrêmes. Cette fourchette est liée à une commande mécanique apte à la déplacer entre une position d'escamotage, dans laquelle ses branches sont à l'intérieur du tambour, et une position de transfert, dans laquelle, après avoir traversé la paroi périphérique du tambour, les branches déplacent les extrémités du segment puis les plaquent sur les faces latérales du colis.In the document EP0174015 the turntable is disposed above the conveyor and is rotatably mounted about a horizontal axis disposed substantially in the longitudinal median plane of the path of the packages on the conveyor. This plate is in the form of a hollow drum whose periphery is arranged to maintain by depression the adhesive tape and the adhesive segment. This plate cooperates with external elements ensuring the cutting of the tape and the transfer of the ends of the adhesive segment towards the lateral faces of the package at a standstill. The transfer means are arranged fixed station and composed of a vertical fork whose branches have extreme cylindrical bearing surfaces. This fork is linked to a mechanical control able to move it between a retracted position, in which its branches are inside the drum, and a transfer position, in which, after passing through the peripheral wall of the drum, the branches move the ends of the segment and then flatten them on the side faces of the package.

Comme précédemment, cet équipement est couteux, bruyant, lent et fournit une fixation du segment adhésif sur le colis qui dépend de la régularité de l'épaisseur du colis. Le déplacement alternatif de la fourchette impose aussi d'arrêter le déplacement du colis.As before, this equipment is expensive, noisy, slow and provides a fixation of the adhesive segment on the package that depends on the regularity of the thickness of the package. The alternative movement of the fork also requires stopping the movement of the package.

Dans le document FR2731406 le plateau rotatif est disposé au dessus du convoyeur et de la trajectoire des colis et est monté en rotation autour d'un axe vertical sensiblement disposé dans le plan médian longitudinal de la trajectoire de déplacement des colis par le convoyeur. Ce plateau coopère avec des moyens extérieurs de sectionnement du segment dans le ruban et avec des brosses verticales extérieures assurant l'application des extrémités du segment sur les parois latérales du colis. Ce plateau comporte donc uniquement des moyens de guidage du ruban provenant d'une bobine et plusieurs postes identiques de transfert du segment adhésif. Chacun de ces postes comprend des leviers qui, articulés sur le plateau et munis de moyens de pincement des extrémités du segment, réagissent à des cames fixes pour, à l'approche du poste de transfert, pivoter et devenir verticaux, pincer les extrémités du ruban et du segment adhésif, puis, par la rotation du plateau, tendre transversalement ce segment dans la trajectoire du colis parvenant au poste de transfert. Ainsi, c'est le colis lui même qui prélève au passage le segment adhésif et l'entraîne jusqu'au poste suivant, où les brosses verticales assurent le plaquage de ses extrémités contre les faces latérales du colis.In the document FR2731406 the turntable is disposed above the conveyor and the path of the packages and is rotatably mounted about a vertical axis substantially disposed in the longitudinal median plane of the path of movement of packages by the conveyor. This plate cooperates with external means of cutting the segment in the ribbon and with brushes external vertices ensuring the application of the ends of the segment on the side walls of the package. This plate therefore comprises only ribbon guide means from a reel and several identical transfer stations of the adhesive segment. Each of these positions comprises levers which, articulated on the plate and provided with pinching means of the ends of the segment, react to fixed cams to approach the transfer station, pivot and become vertical, pinch the ends of the ribbon and the adhesive segment, then, by the rotation of the plate, transversely stretching this segment in the path of the package reaching the transfer station. Thus, it is the package itself which takes the adhesive segment and passes it to the next station, where the vertical brushes ensure the plating of its ends against the side faces of the package.

Un premier inconvénient de ce dispositif est que le segment est posé sur la seule face avant du colis, qui est donc couché, c'est à dire dans une position que ne peuvent pas prendre tous les colis.A first disadvantage of this device is that the segment is placed on the only front of the package, which is lying, ie in a position that can not take all packages.

Un second inconvénient provient de l'obligation de terminer le cycle de rotation du plateau avant d'engager un cycle de pose sur le colis suivant, à défaut de quoi ce plateau constituerait un obstacle au passage de ce colis. Il en résulte que, malgré son fonctionnement continu, la cadence de pose est de l'ordre de 45 à la minute ce qui est insuffisant pour les chaînes actuelles de conditionnement travaillant entre 60 et 80 coups minutes.A second disadvantage comes from the obligation to complete the rotation cycle of the tray before engaging a laying cycle on the next package, failing which this tray would be an obstacle to the passage of this package. As a result, despite its continuous operation, the rate of installation is of the order of 45 per minute which is insufficient for current packaging chains working between 60 and 80 minutes strokes.

L'objet de l'invention est de fournir un équipement de pose de segments adhésifs sur des colis en défilement continu, ayant un fonctionnement entièrement mécanique et travaillant à cadence élevée, tout en assurant une fixation régulière des extrémités des segments sur les colis, malgré les variations dimensionnelles de ces colis dans la plage des tolérances habituelles.The object of the invention is to provide a device for laying adhesive segments on packages in continuous scrolling, having a fully mechanical operation and working at a high rate, while ensuring regular attachment of the ends of the segments on the packages, despite the dimensional variations of these packages in the usual tolerances range.

A cette fin, l'invention apporte un perfectionnement aux équipements de pose de segments adhésifs sur des colis en défilement continu comprenant :

  • a) des moyens de guidage en direction d'un plateau rotatif d'une bande adhésive se dévidant d'une bobine,
  • b) sur le plateau rotatif, plusieurs postes de travail identiques avec des moyens de maintien de la bande adhésive puis d'un segment adhésif découpé dans la bande,
  • c) des moyens extérieurs de sectionnement de la bande pour former le segment adhésif,
  • d) des moyens de transfert du segment adhésif sur un colis en déplacement,
  • e) des moyens de placage des extrémités du segment adhésif contre des faces opposées du colis.
To this end, the invention provides an improvement to the equipment for laying adhesive segments on packages in continuous scrolling comprising:
  • a) guide means in the direction of a turntable of an adhesive strip unwinding from a reel,
  • b) on the turntable, several identical workstations with means for holding the adhesive strip and then an adhesive segment cut in the strip,
  • c) external means for severing the strip to form the adhesive segment,
  • d) means for transferring the adhesive segment onto a moving package,
  • e) means for plating the ends of the adhesive segment against opposite sides of the package.

Selon l'invention, chacun des postes de travail portés par le plateau rotatif comprend des moyens de transfert du segment adhésif et des moyens de placage des extrémités de ce segment, ces moyens étant formés par deux compas, respectivement antérieur et postérieur, ayant une branche articulée sur le plateau et une autre branche portant un rouleau de placage, ces branches étant rappelées élastiquement en position de repos dans l'encombrement du plateau et coopérant avec des galets de commande, de position fixe, provoquant, par la rotation du plateau et dans chaque poste successif, i) le développement de la branche libre du compas antérieur hors du plateau avec roulement de son rouleau contre l'extrémité antérieure du segment adhésif pour l'appliquer contre la face antérieure du colis en déplacement, puis, ii) le développement de la branche libre du compas postérieur hors du plateau avec roulement de son rouleau contre l'extrémité postérieure du segment adhésif pour l'appliquer contre la face postérieure du colis.According to the invention, each of the workstations carried by the turntable comprises means for transferring the adhesive segment and means for plating the ends of this segment, these means being formed by two compasses, respectively anterior and posterior, having a branch. articulated on the plate and another branch bearing a veneer roll, these branches being resiliently biased into the rest position in the bulk of the plate and cooperating with control rollers, of fixed position, causing, by the rotation of the plate and in each successive station, i) the development of the free branch of the anterior compass out of the plate with rolling of its roll against the anterior end of the adhesive segment to apply it against the anterior face of the package in displacement, then, ii) the development the free leg of the posterior compass off the plate with its roller bearing against the posterior end of the adhesive segment to apply it against the back side of the package.

Grace à cet aménagement, la pose d'un segment de bande adhésive sur un colis en défilement s'effectue par des mouvements unidirectionnels, ne nécessitant donc aucune inversion de sens de déplacement des moyens de transfert et de pose du segment adhésif, mouvements ne s'effectuant que pendant une fraction de tour du plateau. Cela permet d'obtenir les cadences élevées recherchées, supérieures à 80 poses à la minute.Thanks to this arrangement, the laying of a segment of adhesive tape on a moving package is carried out by unidirectional movements, thus requiring no reversal of the direction of movement of the transfer means and of the adhesive segment, movements not performing only for a fraction of a turn of the board. This makes it possible to obtain the desired high rates, greater than 80 exposures per minute.

De plus, la pose par des rouleaux qui roulent sur les faces transversales du colis, dans le sens de la longueur des extrémités du segment, en assurant une sorte de marouflage, assure un parfait placage des extrémités adhésives contre ses faces et garantit la bonne liaison avec le colis.In addition, the installation by rollers which roll on the transverse faces of the package, in the direction of the length of the ends of the segment, ensuring a kind of marouflage, ensures a perfect veneer of the adhesive ends against its faces and ensures the good connection with the package.

Enfin, la cinématique des mouvements amenant les rouleaux de placage contre les faces du colis compense automatiquement les variations dimensionnelles des colis et rend la fixation du segment adhésif insensible à cette variable.Finally, the kinematics of the movements bringing the rolls of veneer against the faces of the package automatically compensates the variations packages and makes the attachment of the adhesive segment insensitive to this variable.

Dans une forme d'exécution de l'invention, le plateau est disposé au dessus du convoyeur déplaçant les colis et est solidaire d'un arbre d'entraînement qui est monté rotatif autour d'un axe horizontal, disposé transversalement à la trajectoire des colis.In one embodiment of the invention, the tray is disposed above the conveyor moving the packages and is integral with a drive shaft which is rotatably mounted about a horizontal axis, arranged transversely to the path of the packages .

Cette disposition permet, entre autre, la pose de poignée sur la partie supérieure des colis, tels que packs de récipients ou boites.This arrangement allows, among other things, the installation of handle on the upper part of packages, such as packs of containers or boxes.

Dans une autre forme d'exécution, le plateau est solidaire d'un arbre d'entraînement vertical et est disposé d'un coté du convoyeur déplaçant les colis et de manière que les branches de ses compas viennent, à l'état développé, de part et d'autre des colis en déplacement par le convoyeur.In another embodiment, the plate is secured to a vertical drive shaft and is disposed on one side of the conveyor moving the packages and so that the branches of its compasses come, in the developed state, to on both sides of the moving parcels by the conveyor.

Cet équipement permet, entre autres fonctions, de poser des segments adhésifs, décoratifs, informatifs ou de renfort sur les cotés longitudinaux d'un colis ou pack.This equipment makes it possible, among other functions, to place adhesive, decorative, informative or reinforcing segments on the longitudinal sides of a package or pack.

Avantageusement, dans chaque poste de travail porté par le plateau, la branche articulée sur le plateau de chaque compas est associée à des moyens à ressort tendant à la ramener en position de repos dans le plateau et contre une butée de ce plateau, tandis que, d'une part, le compas antérieur comprend, dans l'articulation de ses branches, des moyens à ressort tendant à écarter les dites branches et les amener en position écartée, en appui contre une butée du plateau, et que, d'autre part, le compas postérieur comprend dans l'articulation de ses branches des moyens à ressort tendant à rapprocher ses branches.Advantageously, in each workstation carried by the plate, the articulated branch on the plate of each compass is associated with spring means tending to bring it back to the rest position in the plate and against a stop of this plate, whereas, on the one hand, the front compass comprises, in the articulation of its branches, spring means tending to separate said branches and bring them to the separated position, resting against a stop of the plate, and that, on the other hand , the posterior compass includes in the articulation of its branches spring means tending to bring its branches.

Les moyens à ressort amènent les branches dans les positions qu'elles doivent avoir dans chacune des phases d'un cycle de pose et garantissent donc le bon fonctionnement du mécanisme.The spring means bring the branches in the positions they must have in each phase of a laying cycle and thus ensure the proper operation of the mechanism.

D'autres caractéristiques et avantages ressortiront de la description qui suit, en référence au dessin schématique annexé, dans lequel :

  • Figures 1 et 2 sont des vues en perspective montrant très schématiquement la structure générale de l'équipement dans deux applications différentes ;
  • Figures 3 et 4 sont des vues de coté en élévation du plateau, respectivement coté compas et coté pinces de maintien de la bande adhésive ;
  • Figure 5 est une vue partielle, en coupe transversale passant par le plan médian vertical du plateau quand il est dans la position de figure 3 ;
  • Figures 6 à 10 sont des vues partielles de coté montrant les positions successives du plateau et des compas d'un poste de travail lors de la pose d'une poignée sur un colis en déplacement ;
  • Figures 11 et 12 sont des vues partielles de coté avec coupe partielle des moyens de sectionnement de la bande, respectivement, en phase d'armement et en phase de libération de la roulette d'armement.
Other features and advantages will emerge from the description which follows, with reference to the appended schematic drawing, in which:
  • Figures 1 and 2 are perspective views showing very schematically the general structure of the equipment in two different applications;
  • Figures 3 and 4 are side views in elevation of the plate, respectively side compass and side holding clamps of the adhesive strip;
  • Figure 5 is a partial view, in transverse section passing through the vertical median plane of the plate when it is in the position of figure 3 ;
  • Figures 6 to 10 are partial side views showing the successive positions of the platform and the compass of a workstation when placing a handle on a moving package;
  • Figures 11 and 12 are partial side views partially cut partial severing means of the band, respectively, arming phase and release phase of the arming wheel.

De manière générale l'équipement comprend un bâti 2, adapté aux fonctions de l'application et au châssis, non représenté, d'un convoyeur 3, à bande ou autre, apte à déplacer des colis 4 dans le sens des flèches 11. Dans l'ensemble de la description qui suit le sens de rotation du plateau est représenté par la flèche 101.In general, the equipment comprises a frame 2, adapted to the functions of the application and to the frame, not shown, of a conveyor 3, with a belt or the like, able to move parcels 4 in the direction of the arrows 11. the whole of the description which follows the direction of rotation of the plate is represented by the arrow 101.

L'équipement représenté à la figure 1 est destiné à déposer sur chaque colis 4 un segment 5 de bande adhésive 6 comportant une seule face adhésive. Chaque segment est destiné à former une poignée de préhension. Le caractère adhésif de la partie centrale de la poignée est neutralisé par un fragment de bande de papier, 6a à la figure 1.The equipment represented in figure 1 is intended to deposit on each package 4 a segment 5 of adhesive tape 6 having a single adhesive face. Each segment is intended to form a grip handle. The adhesive nature of the central portion of the handle is neutralized by a piece of paper tape, 6a at the figure 1 .

Selon l'invention, le fragment 5 est posé à la volée, sur le colis 4 en déplacement, par un plateau rotatif 7 disposé au dessus du convoyeur 3 et dont l'arbre d'entraînement 8 est monté libre en rotation dans le bâti 2 et autour d'un axe X'-X, horizontal et transversal. Dans l'espace E délimité par le trait mixte T, le plateau 7 porte les divers moyens mécaniques qui sont décrits plus loin en référence aux figures 3 à 5 et qui participent au maintien de la bande, au sectionnement et au maintien du segment, au transfert et placage de chaque segment 6 sur les faces, respectivement, antérieure 4a et postérieure 4b d'un colis.According to the invention, the fragment 5 is placed on the fly, on the package 4 in displacement, by a rotary plate 7 disposed above the conveyor 3 and the drive shaft 8 is rotatably mounted in the frame 2 and around an axis X'-X, horizontal and transverse. In the space E delimited by the mixed line T, the plate 7 carries the various mechanical means which are described below with reference to the Figures 3 to 5 and which participate in the maintenance of the band, sectioning and maintaining the segment, the transfer and plating of each segment 6 on the faces, respectively, anterior 4a and posterior 4b of a package.

L'application représentée schématiquement à la figure 2 se différencie de la précédente par le fait que, pour poser des segments adhésifs 5a, informatifs ou décoratifs, sur l'un des côtés de chaque colis 4 en déplacement, le plateau 7a est disposé au dessus et sur l'un des côtés du convoyeur 3 et est porté par le bâti 2a de manière que l'axe de rotation Z'-Z de son arbre 8a soit vertical.The application shown schematically in the figure 2 differs from the previous one in that, for laying adhesive segments 5a, informative or decorative, on one side of each package 4 moving, the plate 7a is disposed above and on one side of the conveyor 3 and is carried by the frame 2a so that the axis of rotation Z'-Z of its shaft 8a is vertical.

Quand le segment 5a doit adhérer au colis, non seulement par ses extrémités mais aussi par sa partie centrale, le caractère adhésif de sa face adhésive n'est pas neutralisé par un fragment de papier.When the segment 5a must adhere to the package, not only by its ends but also by its central part, the adhesive nature of its adhesive side is not neutralized by a piece of paper.

Exceptée cette différence de positionnement, la structure interne de la partie rotative de l'équipement est la même que précédemment et va être décrite en référence aux figures 3 à 5, dans sa version avec axe horizontal.Except for this difference in positioning, the internal structure of the rotating part of the equipment is the same as above and will be described with reference to the Figures 3 to 5 , in its version with horizontal axis.

Les figures 3 à 4 montrent que le plateau 7 présente, en vue de face, une forme générale carrée et porte, tant sur sa face avant (figure 3) que sur sa face arrière, (figure 4), quatre postes de travail désignés de façon générale par les références P1 à P4. Ces quatre postes sont équidistants angulairement, c'est-à-dire sont décalés de 90 degrés, et s'intercalent avec des ensembles de maintien M1 à M4 de la bande adhésive 6 et du segment 5, également répartis à 90 degrés, mais sur le dos du plateau 7.The Figures 3 to 4 show that the plate 7 has, in front view, a generally square shape and door, both on its front face ( figure 3 ) only on its back side, ( figure 4 ), four workstations generally designated by references P1 to P4. These four stations are equidistant angularly, that is to say are offset by 90 degrees, and are interposed with holding sets M1 to M4 of the adhesive strip 6 and segment 5, also distributed at 90 degrees, but on the back of the board 7.

Comme les postes P sont identiques, au même titre que les postes M, dans la description qui suit la structure décrite pour l'un s'appliquera aux autres sauf précision apportée lors de l'explication du fonctionnement.As the positions P are identical, like the positions M, in the following description the structure described for one will apply to the others except clarification provided when explaining the operation.

Ainsi, chaque poste P1 à P4, disposé contre la face avant du plateau 7, porte des moyens de transfert du segment et de placage de ses extrémités sur le colis comprenant deux compas, respectivement, antérieur 12-13 et postérieur 14-15.Thus, each station P1 to P4, disposed against the front face of the plate 7, carries means for transferring the segment and plating its ends on the package comprising two compasses, respectively, anterior 12-13 and posterior 14-15.

L'une des extrémités de la branche 12 du compas antérieur 12-13 est articulée par un axe 16 sur le plateau 7 et porte, par son autre extrémité, un axe 17 sur lequel s'articule la branche libre 13. De même, l'une des extrémités de la branche 14 du compas postérieur 14-15 est articulée par un axe 18 sur le plateau et porte, à son autre extrémité, un axe 19 pour l'articulation de la branche 15.One end of the leg 12 of the front compass 12-13 is articulated by an axis 16 on the plate 7 and carries, at its other end, an axis 17 on which the free arm 13 is articulated. one of the ends of the branch 14 of the rear compass 14-15 is articulated by an axis 18 on the plate and carries, at its other end, an axis 19 for the articulation of the branch 15.

Les extrémités des branches libres 13 et 15 portent chacune un pivot, respectivement 20, 22, pour un rouleau de placage 23, 24.The ends of the free branches 13 and 15 each carry a pivot, respectively 20, 22, for a veneer roll 23, 24.

Dans chacun des deux compas d'un poste, la branche 12 ou 14 qui est articulée sur le plateau 7 comporte aussi des moyens à ressort, par exemple un ressort de torsion 25.In each of the two compasses of a station, the branch 12 or 14 which is articulated on the plate 7 also comprises spring means, for example a torsion spring 25.

Pour la branche 12, le ressort 25 est enroulé autour de l'articulation 16 et prend appui sur un doigt 26 saillant du plateau et sur un doigt 27 saillant de la branche. Il tend à ramener la branche 12 en position de repos contre une butée 28 à l'intérieur du plateau. Cette butée est par exemple constituée par un tenon en matériau viscoélastique disposé axialement dans le prolongement de l'arbre, auquel il est lié par une vis axiale 29, visible figure 5.For the branch 12, the spring 25 is wound around the hinge 16 and bears on a protruding finger 26 of the plate and on a protruding finger 27 of the branch. It tends to bring the branch 12 in the rest position against a stop 28 inside the tray. This stop is for example constituted by a tenon in viscoelastic material arranged axially in the extension of the shaft, to which it is connected by an axial screw 29, visible figure 5 .

Un autre ressort de torsion 25 est aussi enroulé autour de l'articulation 18 de la branche 14 de l'autre compas. Une de ses extrémités prend appui sur une pièce 51 de la mâchoire proche, alors que son autre extrémité prend appui sur un doigt 41 saillant de la branche et de manière que la dite branche soit rappelée contre une butée 21 du plateau ou contre le tenon 28.Another torsion spring 25 is also wound around the hinge 18 of the branch 14 of the other compass. One of its ends is supported on a piece 51 of the near jaw, while its other end is supported on a protruding finger 41 of the branch and so that said branch is biased against a stop 21 of the plate or against the pin 28 .

De plus, l'articulation 17 entre les branches du compas 12-13 comprend des moyens à ressort tendant écarter ces branches et, par exemple un ressort de torsion 30, enroulé autour de l'articulation 17 et dont les extrémités radiales prennent appui sur des doigts 32 saillant des branches. Ainsi, au repos, la branche libre 13 est appliquée contre une butée portée par le plateau, tel qu'un galet 31.In addition, the hinge 17 between the legs of the compass 12-13 comprises spring means tending to separate these branches and, for example a torsion spring 30, wound around the hinge 17 and whose radial ends are supported on 32 fingers protruding branches. Thus, at rest, the free branch 13 is applied against a stop carried by the plate, such as a roller 31.

L'articulation 19 entre les branches 14 et 15 du compas postérieur 14-15 comprend des moyens à ressort tendant à rapprocher ces branches, tel qu'un ressort de torsion 33 enroulé sur l'articulation 19 et prenant appui sur des doigts 34 saillants des branches. Au repos, le rapprochement des deux branches 14 et 15 est limité par appui de moyens de butée disposés dans leur articulation.The articulation 19 between the legs 14 and 15 of the rear compass 14-15 comprises spring means tending to bring these branches together, such as a torsion spring 33 wound on the hinge 19 and bearing on the projecting fingers 34 of the branches. At rest, the approximation of the two branches 14 and 15 is limited by support stop means disposed in their articulation.

En position de repos, les branches sont disposées dans l'encombrement du plateau 7 et les rouleaux 23 et 24 s'escamotent dans des encoches 35 ménagées radialement dans ce plateau.In the rest position, the branches are arranged in the space of the plate 7 and the rollers 23 and 24 retract in notches 35 formed radially in this plate.

Les mouvements de développement des deux compas de chaque poste de travail sont commandés par des galets 36 et 37, montés libres en rotation sur un axe 38 porté par un bras 39 du bâti de l'équipement. Comme le montre la figure 5, ces galets sont décalés de manière que celui 36 soit dans la trajectoire circulaire des branches 12 des compas antérieurs 12-13, alors que celui 37 est dans la trajectoire des branches 14 des compas postérieurs 14-15. Pour parvenir à cela, les axes 16 d'articulation sur le plateau des compas antérieurs 12-13 ont des longueurs plus grandes que celles des axes 18 d'articulation sur le plateau des compas postérieurs 14-15, de façon que les branches de ces compas postérieurs 14-15 se déplacent dans un espace disposé entre le plateau 7 et l'espace dans lequel se déplace les compas antérieurs 12-13.The development movements of the two compasses of each workstation are controlled by rollers 36 and 37, mounted free to rotate on an axis 38 carried by an arm 39 of the frame of the equipment. As shown in figure 5 these rollers are offset so that the 36 is in the circular path of the branches 12 of the front compasses 12-13, while that 37 is in the trajectory of the legs 14 of the rear compasses 14-15. To achieve this, the axes 16 of articulation on the plate of the front compasses 12-13 have longer lengths than those of the hinge pins 18 on the plate of the rear compasses 14-15, so that the branches of these rear compasses 14-15 move in a space disposed between the plate 7 and the space in which the front compasses 12-13 moves.

En pratique, le galet de commande 37 vient en contact avec un autre galet 40 monté libre en rotation sur un axe 42 saillant latéralement de chaque branche 14 et visible figure 5.In practice, the control roller 37 comes into contact with another roller 40 mounted free to rotate on an axis 42 projecting laterally from each branch 14 and visible figure 5 .

Entre les postes de travail P1 à P4 qui viennent d'être décrits sont intercalés les ensembles M1 à M4 de maintien de la bande adhésive 6. Chacun de ces ensembles comprend:

  • une mâchoire fixe 50, fixée sur le chant du plateau 7 et, en particulier, dans un angle,
  • et une mâchoire écartable 49, ménagée à l'extrémité libre, dépassant du plateau, d'un levier inter appui 53, articulé sur le dos de ce plateau.
Between the workstations P1 to P4 which have just been described are interposed the sets M1 to M4 for holding the adhesive strip 6. Each of these sets comprises:
  • a fixed jaw 50, fixed on the edge of the plate 7 and, in particular, in an angle,
  • and a spreadable jaw 49, formed at the free end protruding from the plate, an interstage lever 53 articulated on the back of this plate.

La mâchoire écartable 49 est formée par deux doigts 52 qui, espacés transversalement, portent des rouleaux 52a, libres en rotation et pouvant venir en appui contre un épaulement 48 de la mâchoire fixe 50 leur faisant vis-à-vis pour assurer un bon pincement de la bande 6 insérée entre ces mâchoires 50-49.The spreadable jaw 49 is formed by two fingers 52 which, transversely spaced, carry rollers 52a, free in rotation and can bear against a shoulder 48 of the fixed jaw 50 facing them to ensure a good pinch of the band 6 inserted between these jaws 50-49.

Comme montré plus en détail à la figure 5, le levier 53 est articulé sur un axe 54 porté par des paliers latéraux 55, saillant du dos du plateau, et présente un talon 56 à son autre extrémité. Celui ci est apte à venir en contact avec une came fixe 58, portée par le bâti 2. Dans la forme représentée, ce contact est effectué par un galet 57 monté libre en rotation dans le talon. Un ressort 59 est disposé entre le talon 56 et le plateau 7 pour rappeler en permanence le levier 53 dans sa position de pincement, montrée au bas de la figure 5.As shown in more detail in figure 5 , the lever 53 is articulated on an axis 54 carried by lateral bearings 55 protruding from the back of the plate, and has a heel 56 at its other end. It is able to come into contact with a fixed cam 58, carried by the frame 2. In the form shown, this contact is made by a roller 57 mounted free to rotate in the heel. A spring 59 is disposed between the heel 56 and the plate 7 to permanently recall the lever 53 in its pinch position, shown at the bottom of the figure 5 .

Quand le talon du levier rencontre la came 58, il pivote autour de son axe 54 et bascule vers l'arrière, comme montré en haut de la même figure 5, en éloignant ses doigts 52 de la mâchoire fixe 50 et en permettant la venue sur elle de la bande adhésive 6.When the heel of the lever meets the cam 58, it pivots about its axis 54 and tilts backwards, as shown at the top of the same figure 5 , by moving his fingers 52 away from the fixed jaw 50 and allowing the adhesive tape 6 to come on it.

La mâchoire fixe 50 est composée de deux éléments 50a et 50b, espacés transversalement l'un de l'autre, de manière à former entre eux une fente 60 qui, visible figures 3 et 4, permet le passage d'une lame tranchante 62 de sectionnement du segment adhésif 5 dans la bande 6.The fixed jaw 50 is composed of two elements 50a and 50b, spaced transversely from one another, so as to form between them a slot 60 which, visible figures 3 and 4 , allows the passage of a cutting blade 62 for severing the adhesive segment 5 in the strip 6.

Dans la forme d'exécution représentée en détail à la figure 4, la lame 62 fait partie d'un dispositif de sectionnement, extérieur au plateau et comprenant un levier basculant 63, articulé autour d'un axe horizontal 64 du châssis. Cet axe est positionné sur le bâti 2 de manière que la lame 62 soit en face de la fente des mâchoires M1 qui sont disposées après le prochain poste P1 de pose d'un segment. Le levier 63 est soumis en permanence à l'action d'un ressort qui, schématisé en 79 à la figure 4 et aux figures 11 et 12, tend à le ramener dans sa position verticale de sectionnement de la bande adhésive.In the embodiment shown in detail in the figure 4 , the blade 62 is part of a disconnecting device, external to the plate and comprising a rocking lever 63, articulated around a horizontal axis 64 of the frame. This axis is positioned on the frame 2 so that the blade 62 is in front of the slot of the M1 jaws which are arranged after the next post P1 of a segment. The lever 63 is permanently subjected to the action of a spring which, schematized in 79 at the figure 4 and to Figures 11 and 12 , tends to bring it back to its vertical position of severing the adhesive tape.

L'extrémité libre du levier présente un logement 66, d'accueil d'une roulette d'armement 65, et porte la lame tranchante 62 au dessous de ce logement. Comme le montre la figure 4, la lame est en saillie de l'extrémité libre du levier 63 et assure l'obturation du logement 66. La lame est fixée sur un support 67 qui, d'une part, est monté pivotant sur un axe 68 du levier 63 et, d'autre part, est rappelé dans la position de coupe de la lame et d'obturation du logement 66, par des moyens à ressort, tel qu'un ressort de torsion 80. Les roulettes 65 sont montées libres en rotation sur le plateau 7 et disposées en saillie de chacun de ses angles. Leur position radiale leur permet, comme montré figure 11, de venir rouler contre la face 63a du levier 63 pour le faire pivoter dans le sens de la flèche 61, à l'opposé du plateau 7. Cela provoque l'extraction de la lame 62 hors de la fente 60 et le bandage du ressort 79 de rappel du levier, en assurant ainsi l'armement des moyens de sectionnement en prévision de la phase suivante de découpage du segment dans la bande 6.The free end of the lever has a housing 66, home to a caster arming 65, and carries the cutting blade 62 below this housing. As shown in figure 4 , the blade is projecting from the free end of the lever 63 and closes the housing 66. The blade is fixed on a support 67 which, on the one hand, is pivotally mounted on an axis 68 of the lever 63 and, on the other hand, is recalled in the cutting position of the blade and closing the housing 66, by spring means, such as a torsion spring 80. The rollers 65 are rotatably mounted on the plate 7 and arranged projecting from each of its angles. Their radial position allows them, as shown figure 11 , to roll against the face 63a of the lever 63 to rotate in the direction of the arrow 61, opposite the plate 7. This causes the extraction of the blade 62 out of the slot 60 and the spring bandage 79 of the lever, thereby ensuring the arming of the severing means in anticipation of the next phase of cutting the segment in the strip 6.

Enfin, le motoréducteur 70 commandant la rotation de l'arbre 8 est asservi à des capteurs 72 et 73, (figure 5), portés par le bâti 2, et détectant :

  • celui 72, le passage d'un colis 4 pour déclencher la mise en rotation du plateau 7,
  • et celui 73, le passage d'un repère, tel qu'un levier 53 sur le dos du plateau, détection déclenchant l'arrêt de la rotation du plateau si l'autre capteur 72 n'a pas détecté l'arrivée d'un nouveau colis.
Finally, the geared motor 70 controlling the rotation of the shaft 8 is slaved to sensors 72 and 73, ( figure 5 ), carried by the frame 2, and detecting:
  • that 72, the passage of a package 4 to trigger the rotation of the plate 7,
  • and that 73, the passage of a marker, such as a lever 53 on the back of the tray, detection triggering the stop rotation of the tray if the other sensor 72 has not detected the arrival of a new package.

Au repos et au départ d'un cycle, le plateau 7 est dans la position représentée aux figures 3 et 4. La bande 6, provenant d'une bobine, non représentée, passe sur les mâchoires M3, alors en position d'ouverture, avant d'être pincée entre les mâchoires M2 et M1. Le segment de bande 5 est pincé par ses extrémités dans les mâchoires M1 et M4.At rest and at the start of a cycle, the plate 7 is in the position shown in FIGS. figures 3 and 4 . The strip 6, from a reel, not shown, passes over the jaws M3, then in the open position, before being clamped between the jaws M2 and M1. The band segment 5 is pinched by its ends in the jaws M1 and M4.

En effet, c'est en fin de cycle que le segment 5 est découpé dans la bande 6, de façon à être prêt pour un nouveau cycle de pose. A chaque cycle d'un quart de tour, la rotation du plateau 7 amène une roulette de basculement 65 contre la face 63a du levier de sectionnement 63 et provoque le bandage de son ressort 79. Ainsi, dès que la roulette 65 s'engage dans le logement 66, elle provoque le sectionnement , puisqu'elle libère le levier 63 qui, en revenant élastiquement et avec force en position de repos, procure à la lame 62 pénétrant dans la fente 60 un effort tranchant suffisant pour sectionner la bande 6, pincée entre les deux éléments 50a et 50b de la mâchoire fixe 50 et les deux doigts 52 de la mâchoire déplaçable 49.Indeed, it is at the end of the cycle that the segment 5 is cut in the strip 6, so as to be ready for a new laying cycle. At each cycle of a quarter turn, the rotation of the plate 7 brings a tilting wheel 65 against the face 63a of the disconnecting lever 63 and causes the bandage of its spring 79. Thus, as soon as the wheel 65 engages in the housing 66, it causes the disconnection, since it releases the lever 63 which, coming back elastically and with force in the rest position, provides the blade 62 penetrating the slot 60 a cutting force sufficient to cut the strip 6, pinched between the two elements 50a and 50b of the fixed jaw 50 and the two fingers 52 of the movable jaw 49.

Comme le montre la figure 12, lors du démarrage d'un nouveau cycle, la roulette 65 qui est dans le logement 66, pousse la lame 62 vers le bas, en faisant pivoter son support 67 dans le sens de la flèche 71. Dès que la roulette est complètement sortie du logement 66, les moyens de rappel 80 ramènent le support 67 dans sa position d'origine. Les moyens de sectionnement sont alors prêts pour un nouveau cycle.As shown in figure 12 when starting a new cycle, the wheel 65 which is in the housing 66, pushes the blade 62 down, by pivoting its support 67 in the direction of the arrow 71. As soon as the wheel is completely out of the housing 66, the return means 80 bring the support 67 back to its original position. The sectioning means are then ready for a new cycle.

Il faut ici remarquer que, grâce à sa possibilité d'escamotage par basculement, la lame 62 ne peut en aucun cas constituer un obstacle à la rotation du plateau. Il en résulte que l'opération de sectionnement peut être effectuée sans que la rotation du plateau ne s'arrête. En effet, après sectionnement de la bande 6 par l'effort tranchant instantané et rapide fourni par le ressort 79, l'extrémité de la lame 62 qui est disposée dans fente 60, sensiblement au niveau des épaulements 50a des mâchoires 50, est pivotée dans le sens de la flèche 71. Ce pivotement enlève tout obstacle à la rotation du plateau et permet de réaliser le sectionnement, même avec une rotation continue du plateau.It should be noted here that, thanks to its ability to retract by tilting, the blade 62 can in no way be an obstacle to the rotation of the plate. As a result, the severing operation can be performed without the rotation of the tray stopping. Indeed, after cutting the strip 6 by the instantaneous and rapid shear force provided by the spring 79, the end of the blade 62 which is disposed in slot 60, substantially at the shoulders 50a of the jaws 50, is pivoted in the direction of the arrow 71. This pivoting removes any obstacle to the rotation of the plate and allows the cutting, even with a continuous rotation of the plate.

Comme montré en A à la figure 6, quand un colis 4 déplacé par le convoyeur 3, dans le sens de la flèche 11, parvient sous le plateau 7 son bord supérieur vient en contact, d'une part, avec la partie adhésive de l'une des extrémités du segment adhésif 5 tendu entre les ensembles de maintien M4 et M1, et, d'autre part avec le rouleau 23 du compas antérieur du poste P1. Dans cette position, le colis 4 actionne le capteur 72 qui déclenche la mise en rotation du plateau pour un nouveau cycle de pose.As shown in A at figure 6 when a package 4 moved by the conveyor 3, in the direction of the arrow 11, arrives under the plate 7 its upper edge comes into contact, on the one hand, with the adhesive part of one end of the adhesive segment 5 stretched between the holding sets M4 and M1, and on the other hand with the roller 23 of the previous compass of the post P1. In this position, the package 4 actuates the sensor 72 which triggers the rotation of the plate for a new laying cycle.

Cette rotation entraîne les deux compas du poste P1. La branche 12 du compas antérieur 12-13 est ainsi appliquée contre le galet de commande 36. Le couple résistant qui en résulte sur le compas antérieur amène la branche 13 à se développer vers l'extérieur, comme montré à la figure 7. De la sorte, le rouleau de placage 23 roule contre la face antérieure 4a du colis, en se déplaçant vers le bas et en suivant le déplacement du colis.This rotation causes the two compasses of the post P1. The branch 12 of the front compass 12-13 is thus applied against the control roller 36. The resulting resisting torque on the front compass causes the branch 13 to expand outwards, as shown in FIG. figure 7 . In this way, the roll of veneer 23 rolls against the front face 4a of the package, moving down and following the movement of the package.

Cette phase du cycle assure non seulement le transfert de l'extrémité adhésive du segment 5 sur le colis 4, mais aussi son placage par un mouvement de marouflage affectant toute sa surface et garantissant une bonne liaison.This phase of the cycle ensures not only the transfer of the adhesive end of the segment 5 on the package 4, but also its veneer by a masking movement affecting its entire surface and ensuring a good connection.

Quand par la rotation du plateau 7 et comme montré à la figure 8, la branche 14 du compas postérieur 14-15 vient en contact avec son galet de commande 37, ce compas entreprend son déploiement vers l'extérieur du plateau. Son rouleau 24 chasse devant lui l'extrémité arrière du segment 5 et la transfère sur la face postérieure 4b du colis. Alors que l'appui du compas antérieur 12-13 sur son galet de commande 36 passe progressivement de la branche 12 à la branche 13, avec pour conséquence de faire revenir le rouleau 23 dans l'encombrement du plateau, en lui permettant d'effectuer un second marouflage, c'est le rouleau 24 qui, après transfert, plaque l'extrémité arrière du segment 5 sur le colis.When by the rotation of the plate 7 and as shown in figure 8 , the branch 14 of the rear compass 14-15 comes into contact with its control roller 37, this compass begins its deployment to the outside of the plate. Its roller 24 drives the rear end of the segment 5 in front of it and transfers it to the rear face 4b of the package. While the support of the previous compass 12-13 on its control roller 36 passes gradually from the branch 12 to the branch 13, with the consequence of returning the roller 23 in the space requirement of the tray, allowing it to perform a second masking is the roller 24 which, after transfer, plate the rear end of the segment 5 on the package.

Comme pour la face antérieure la cinématique communiquée aux branches du compas postérieur 14-15 assure le déplacement du rouleau 24 vers le bas puis vers le haut en réalisant ainsi un double marouflage et placage.As for the anterior face the kinematics communicated to the legs of the rear compass 14-15 ensures the movement of the roller 24 downwards and upwards thus achieving a double marouflage and veneer.

Quand le plateau a pivoté de 90 degrés et arrive en fin de cycle, les compas ont repris leurs positions de départ à l'intérieur du volume du plateau et les rouleaux 22 et 24 sont rangés dans les encoches 35 du plateau, comme montré à la figure 10. Durant le cycle, une nouvelle longueur de bande a été tirée de la bobine par les mâchoires 50-52 et un nouveau segment 5 a été découpé de cette bande.When the tray has rotated 90 degrees and comes to the end of the cycle, the compasses have resumed their starting positions within the tray volume and the rollers 22 and 24 are stored in the notches 35 of the tray as shown in FIG. figure 10 . During the cycle, a new tape length was pulled from the spool by the jaws 50-52 and a new segment 5 was cut from this tape.

Si aucun autre colis n'est détecté, le capteur 73 commande l'arrêt de la rotation du plateau.If no other package is detected, the sensor 73 controls the stop rotation of the tray.

Il ressort de ce qui précède que durant la pose d'un segment adhésif les mouvements communiqués aux composants de l'équipement vont dans le même sens, et que, mêmes les mouvements descendants et ascendants des rouleaux de placage contre les faces opposées d'un colis s'enchaînent sans à-coups et sans risques de blocage, ce qui permet d'atteindre les cadences de pose recherchées.It follows from the above that during the laying of an adhesive segment the movements communicated to the components of the equipment go in the same direction, and that even the downward and upward movements of the veneer rolls against the opposite faces of a parcels are connected without jerks and without risk of blockage, which allows to achieve the desired rates of installation.

Enfin, les extrémités des segments adhésifs sont plaquées sur toute leur longueur et toute leur surface, de la même façon sur les deux faces, en assurant une liaison très résistante avec le colis.Finally, the ends of the adhesive segments are plated over their entire length and their entire surface, in the same way on both sides, ensuring a very strong bond with the package.

L'équipement qui a été décrit dans son application à la pose de poignées, peut aussi, comme décrit en référence à la figure 2, être appliqué à la pose de bandes adhésives sur tous colis.The equipment which has been described in its application to the installation of handles, can also, as described with reference to the figure 2 , be applied to the application of adhesive tapes on all packages.

Claims (10)

  1. Equipment for applying adhesive segments to continuously moving parcels comprising a) means for guiding, towards a rotating plate (7), an adhesive strip (6) unwinding from a roll; b) on the rotating plate (7) several identical stations P having means M for holding the adhesive strip (6) and then an adhesive segment (5) cut from the strip; c) external means for cutting the strip (6) to create the adhesive segment (5); d) means for transferring the adhesive segment (5) onto a moving parcel (4) and e) means for pressing the ends of the adhesive segment (5) against opposite faces of the parcel (4), characterized in that each of the stations P borne by the plate (7) comprises means (12 to 15 and 36 to 38) for transferring the adhesive segment and means (23 and 24) for pressing the ends of this segment, these means consisting of two scissor stays, respectively the anterior arm (12-13) and the posterior arm (14-15), having one arm (12, 14) connected to the plate (7) in an articulated manner and another arm (13, 15) bearing a pressing roller (23, 24), these arms being retracted elastically into the inactive position within the confines of the plate and cooperating with stationary control wheels (36, 37) causing, by the rotation of the plate (7) and in each successive station (P1 to P4), i) the free arm (13) of the anterior scissor stay (12-13) to extend with its roller (23) rolling against the anterior end of the adhesive segment (5) in order to press it against the anterior face (4a) of the moving parcel (4); then ii) the free arm (15) of the posterior scissor stay (14-15) to extend beyond the plate (7) with its roller (24) rolling against the posterior end of the adhesive segment (5) in order to press it against the posterior face (4b) of the parcel (4).
  2. Equipment for applying adhesive segments according to Claim 1, characterized in that the plate (7) is arranged above the conveyor (3) moving the parcels (4) and is secured to a drive shaft (8) which is mounted so as to rotate about a horizontal axis (X'-X) arranged transverse to the direction of motion of the parcels (4).
  3. Equipment for applying adhesive segments according to Claim 1, characterized in that the plate (7a) is secured to a drive shaft (8a) which is mounted so as to rotate about a vertical axis (Z'-Z) and is arranged to one side of the conveyor (3) moving the parcels (4) and such that the arms of its scissor stays, in the extended state, come to be on either side of the parcels (4) being moved by the conveyor.
  4. Equipment for applying adhesive segments according to Claim 1, characterized in that, in each station (P1 to P4) borne by the plate (7), the arm (12 or 14) of each scissor stay (12-13, 14-15) which is connected to the plate (7) in an articulated manner is associated with spring means (25) which tend to return it to the inactive position against a stop (28, 21) of the plate whereas, on one hand, the anterior scissor stay (12-13) comprises in the articulation (17) of its arms spring means (30) which tend to hold said arms in the separated position, pressing against a stop (28) borne by the plate and, on the other hand, the posterior scissor stay (14-15) comprises in the articulation (19) of its arms spring means (33) which tend to bring its arms closer together.
  5. Equipment for applying adhesive segments according to Claim 1 in conjunction with Claim 4, characterized in that, in each station (P1 to P4) of the plate, the spindles (16 and 18) the purpose of which is to connect the anterior (12-13) and posterior (14-15) scissor stays, respectively, to the plate (7) in an articulated manner, are of different lengths so that the posterior scissor stay (14-15) moves freely in a space between the plate (7) and the space in which the anterior scissor stay moves, whereas the control wheels (36 and 37) are borne by a spindle (38) which is secured to the stationary frame (2) of the equipment, and on which spindle these control wheels are arranged with a separation so that one comes into contact only with the elements of the anterior scissor stay (12-13) and the other comes into contact only with the elements (14-15) of the posterior scissor stay.
  6. Equipment for applying adhesive segments according to Claim 1, characterized in that the plate (7) bears four stations (P1 to P4) positioned at equal angular intervals and interposed between four assemblies (M1 to M4) for holding the adhesive strip (6) and the adhesive segment (5), each holding assembly comprising a fixed jaw (50) borne by the edge of the plate (7) and a movable jaw (49) arranged at the free end of a first-order lever (53) attached to the back of the plate in an articulated manner, the other end (56) of which lever is designed to come into contact with a fixed cam (58) of the frame.
  7. Equipment for applying adhesive segments according to Claim 1 in conjunction with Claim 6, characterized in that the movable jaw (49) comprises two fingers (52) separated transversely and each designed to come to press against one of the two bearing surfaces (48) of a shoulder of the fixed jaw (50) in order to grip the adhesive strip (6) at that point.
  8. Equipment for applying adhesive segments according to Claim 1 in conjunction with Claims 6 and 7, characterized in that each fixed jaw (50) consists of two elements (50a, 50b) which are separated transversely forming a slot (60) through which the cutting blade (62) of cutting means external to the plate can pass, said blade projecting from the free end of a lever (63) which, attached to the frame (2) in an articulated manner, is permanently subjected to return means having a spring (79) which tend to keep it in the cutting position whereas, on one hand, the plate (7) comprises, ahead of each station (P1 to P4), an arming roller (65) designed to come to press against the lever (63) in order to cause it to pivot away from the plate, removing the blade 62 from between the elements of the fixed jaw (60) and loading the lever return spring (79) and, on the other hand, this lever comprises a recess at the end of the lever for accommodating the roller 65 and triggering the cutting action.
  9. Equipment for applying adhesive segments according to Claim 8, characterized in that the blade (62) is arranged so as to block off the recess (66) for accommodating the roller (65) and is borne by a support (67), mounted at the end of the lever (63) so as to be able to pivot, which is subjected to spring-loaded means 80 which return it to the position blocking off the recess (66) while nonetheless allowing it to pivot in order to allow the roller to pass.
  10. Equipment for applying adhesive segments according to Claim 1, characterized in that the geared electric motor (70) which drives the plate (7) in rotation is controlled by a sensor (72) which detects when a parcel (4) passes through in order to trigger the supply thereof, and by a sensor (73) which detects reference points on the plate indicating the end of an application cycle and is able to cause this geared motor to stop.
EP20110159098 2010-04-07 2011-03-22 Device for applying adhesive segments to moving parcels Active EP2374719B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1001426A FR2958626B1 (en) 2010-04-07 2010-04-07 INSTALLATION EQUIPMENT FOR ADHESIVE SEGMENTS ON PARCELS IN SCROLL.

Publications (2)

Publication Number Publication Date
EP2374719A1 EP2374719A1 (en) 2011-10-12
EP2374719B1 true EP2374719B1 (en) 2013-05-29

Family

ID=43128294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110159098 Active EP2374719B1 (en) 2010-04-07 2011-03-22 Device for applying adhesive segments to moving parcels

Country Status (2)

Country Link
EP (1) EP2374719B1 (en)
FR (1) FR2958626B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2232214A1 (en) * 1971-07-02 1973-01-11 Lion Fat Oil Co Ltd ADHESIVE STRIP APPLICATION DEVICE
JPS6169527A (en) * 1984-09-04 1986-04-10 エービー　テトラパック Handle sticking device
CH687193A5 (en) * 1993-08-09 1996-10-15 Rothenberger & Co Fitting device for securing handle to packet
FR2731406B1 (en) * 1995-03-06 1997-07-11 Cefma MACHINE FOR PLACING ADHESIVE TAPES ON THE FRONT OF AN ARTICLE
FR2787416B1 (en) * 1998-12-16 2001-02-23 Cefma DEVICE FOR THE CONTINUOUS LAYING OF SELF-ADHESIVE HANDLES ON OBJECTS, PACKAGES OR LOTS
DE10211996B4 (en) * 2002-03-18 2004-02-19 Dieter Lange Device for attaching a handle

Also Published As

Publication number Publication date
EP2374719A1 (en) 2011-10-12
FR2958626A1 (en) 2011-10-14
FR2958626B1 (en) 2012-03-16

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