EP0360712B1 - Apparatus for the zig-zag folding of a continuously fed flexible web of textile material - Google Patents
Apparatus for the zig-zag folding of a continuously fed flexible web of textile material Download PDFInfo
- Publication number
- EP0360712B1 EP0360712B1 EP89420357A EP89420357A EP0360712B1 EP 0360712 B1 EP0360712 B1 EP 0360712B1 EP 89420357 A EP89420357 A EP 89420357A EP 89420357 A EP89420357 A EP 89420357A EP 0360712 B1 EP0360712 B1 EP 0360712B1
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- EP
- European Patent Office
- Prior art keywords
- rollers
- strip
- movement
- ribbon
- slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/02—Folding limp material without application of pressure to define or form crease lines
- B65H45/06—Folding webs
- B65H45/10—Folding webs transversely
- B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
- B65H45/103—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by a carriage which reciprocates above the laying station
Definitions
- the invention relates to an improved device for zig-zag folding of a flexible strip of textile material fed continuously.
- the invention relates to the technical sector of machines and equipment for packaging flexible bands made of textile material such as ribbons and similar products.
- Ribbons and other textile bands produced continuously on looms must be packaged.
- an old method consists in folding them in a zig zag in a continuous movement back and forth determining lengths of bands.
- a carriage made up of rotating rollers between which the flexible strip is introduced and which by its alternating movement forms a zig zag and continuously the ribbon is used on an entablature provided for this purpose.
- the carriage is driven by the aforementioned reciprocating movement and thus makes it possible to obtain, in succession, predetermined strip lengths, as illustrated in FIG. 1.
- the different lengths of tape must be sent in a package, while maintaining a certain presentation attire.
- the problem posed is inherent in the nature of the textile band or ribbon which is flexible, foldable by definition. It consists, in holding the different lengths of tape, which tend to sag naturally.
- the strip is thus introduced between a lower support plane and an upper support plane, while pushing means guide the strips in the strips thus defined.
- the mechanism described in this patent is complex and does not allow easy adaptability of the system according to the width of the tape, even if there was the possibility of height adjustment of the means exerting the upper support.
- rollers have only a role of driving and guiding the strip.
- the object of the invention is to remedy these drawbacks.
- the solution proposed by the invention is particularly original, simple to implement. It has many advantages in the quality of resistance of the different zig zag folds of the strip, the latter being distributed positively.
- light items such as lace can be folded with the device according to the invention.
- the device of the type comprising an entablature with a rear zone and means for dispensing the fabricated tape or ribbon, a central zone arranged with a transverse slot allowing the alternating movement of a pair of rollers between which is guided the strip or ribbon, said rollers being arranged on a carriage driven by means of controls of an alternating transverse movement opposite the aforementioned slot and thus authorizing, at the exit of the rollers, the folding of the strip or ribbon, and of a front zone authorizing the reception and the evacuation of the parts of the strip or ribbon folded continuously and their evacuation towards the conditioning zone, the device further comprising means for pushing the parts of the folded bands or ribbons ; the device being characterized in that it comprises two assemblies comprising in particular two pinions cooperating with a fixed rack disposed transversely in the entablature, during the transverse movement of the carriage, said pinions cooperating with means associated with rollers with opposite rotation, said means being free wheels mounted in opposition making it possible to alternately make each of the rollers
- Figure 1 is a perspective view of the device according to the invention positioned on an entablature.
- Figure 2 is a top view according to Figure 1.
- Figure 3 is a partial view of the entablature illustrating the positioning of the device and its constituent elements.
- Figure 4 is a partial rear view of the roller support means.
- Figure 5 is a sectional view along line (5-5) of Figure 3.
- Figure 6 is a sectional view along line (6-6) of Figure 5.
- Figures 7 and 8 are schematic views illustrating the operation of the device according to the invention and the successive shaping of the folds.
- the device according to the invention aims to ensure the zigzag folding of flexible strips, in particular of textile material, according to an automatic continuous setting. These measures is therefore positioned in a known manner on an entablature (1) successively having an area and means (2) for distributing the strip coming from a roll on which the strip has been wound during manufacture, or in bulk according to the prior modalities of this manufacturing.
- the means (2) represents, without limitation, a guide for returning and presenting the strip to the rollers (4 and 5) for conveying the latter.
- the central or substantially part of the entablature is arranged with a transverse slot (3) allowing the alternating movement of a pair of rollers (4 and 5), mounted in opposite rotation and between which the end of the strip is guided, then the strip itself, being zig zag folded.
- the motor means authorizing the transverse movement of a support carriage (7) of the roller pair (4 and 5) are arranged in the lower part of the entablature and protected by protective plates.
- the folded strip is then conveyed on the front part of the entablature, being guided longitudinally by profiles (6) fixed in any suitable manner.
- the strip is conveyed towards the front of the entablature and falls into a wrapping or packaging provided for this purpose and not illustrated.
- the device according to the invention makes it possible to present the various successive folds of the strip in a vertical position or substantially on edge and to maintain good resistance throughout the advance of the folded strip towards its packaging.
- the device taken as a whole is first mounted on a carriage (7).
- the latter comprises, for example, a sole (7-1) possibly U-shaped, and the ends of which are arranged at their upper part to receive support plates supporting bearings (8).
- the assembly can be made in one piece.
- the bearings are guided along two slides (9 and 10) arranged transversely to the entablature.
- the carriage can therefore be moved in a reciprocating and transverse movement, relative to the entablature, while being substantially opposite the transverse slot (3) formed on said entablature.
- the carriage is associated by its lower part with appropriate control means known to those skilled in the art and which can, for example, and without limitation, be constituted by a system of connecting rods or cranks controlled by a motor ensuring the aforementioned back and forth movement.
- the amplitude of movement of the carriage is adjustable in a known manner and is a function of the length of the plies of ribbons to be obtained.
- the device is fixed to the carriage, advantageously, in the central and central part of the sole.
- it comprises a support cap (11) for connecting the two assemblies associated with each of the rollers (4 and 5), said cap being secured by one or more connecting screws. (12) at the sole.
- rollers are in a plane above the entablature and the other means, in the lower part protected by protective plates.
- These means comprise mounted on a shaft (13) (14) corresponding to each roller (4-5), pinions (15) (16) capable of cooperating with a fixed rack (17) disposed on the frame of the entablature between the two slides and in the same plane of them.
- a spacer and retaining block (18) guides said shafts and is held in position in a fixed plane, by a support structure (24) associated with the base of the carriage, by appropriate means.
- Two freewheels (19-20) mounted in opposition are positioned on said shafts, above the spacer block, each in close relation with one of the rollers (4-5).
- rollers (4-5) are each arranged above each free wheel, being indexed by appropriate means. These two rollers are in contact with one another, while a spacer plate (21) is mounted at the end of the rollers in a horizontal plane and ensures their protection and maintenance.
- said plate receives rods (22-23) connecting and guiding said rollers (4 and 5), the end of said rods being associated with the aforementioned means to complete the mounting of the device.
- This block is adjustable in height relative to the plane of the entablature, the height corresponding to the width of the ribbon. This avoids the deflection or an unexpected movement of the ribbon, before it passes between the rollers (4-5).
- the device according to the invention has means ensuring good resistance of the portions of ribbons bent in a zig zag and preventing its compaction or sagging.
- the device thus comprises a means acting during the shaping of the folds of ribbons and alternatively, depending on the position of the carriage and therefore of the rollers (4 and 5), on the portions of folded ribbons.
- This action consists, in the exercise of a pressure and a temporary push, against the part of the ribbon folded and accompanying the direction of movement of the carriage.
- This means consists of a belt (27), arranged at the outlet of the rollers (4 and 5), automatically accompanying the movement of the carriage, this, in order to keep the layers or parts of ribbons folded and to facilitate the release of the setting device. in fold, by a progressive advance movement of the ribbon conditioned in zig zag.
- this belt is fixed at these ends (27-1) (27-2) on rods or axes (28), mounted in a fixed position on the entablature but, in a substantially advanced position, relative to the front plane rollers (4-5) thus giving an angulation.
- two return axes (29-30) of the belt At the rear end of the entablature are arranged two return axes (29-30) of the belt, in a fixed position. Said belt is also guided, on either side, of each roller (4-5). Indeed, and in an original way, the spacer plate (21) fixed above each roller is arranged, to receive from its front ends, and in an eccentric plane with respect to the axis of the rollers, two return rods (31-32) fixed in a removable manner, by bolting or the like.
- two protective plates (33-34) are provided on the front face of the above-mentioned device.
- the means used are extremely simple, easy to implement.
- the distance of the carriage's alternative movement will depend on the width of the folds of the ribbon.
- the active length of the belt strands will naturally vary depending on the range of movement of the carriage.
- the belt is chosen from a solid and durable material, taking into account the large number of stresses, in deformation of the belt according to the cycles and speeds of movement of the carriage.
Abstract
Description
L'invention a pour objet un dispositif perfectionné pour le pliage en zig zag d'une bande flexible en matériau textile amenée en continu.The invention relates to an improved device for zig-zag folding of a flexible strip of textile material fed continuously.
L'invention se rattache au secteur technique des machines et matériels de conditionnement de bandes flexibles en matériau textile du type rubans et produits similaires.The invention relates to the technical sector of machines and equipment for packaging flexible bands made of textile material such as ribbons and similar products.
Les rubans et autres bandes textiles fabriquées en continu sur des métiers, doivent être conditionnées dans des emballages. Pour ce faire, une méthode ancienne consiste à les plier en zig zag selon un mouvement continu en va et vient déterminant des longueurs de bandes. Pour ce faire, on utilise sur un entablement ménagé à cet effet, un chariot constitué de galets tournants entre lesquels la bande flexible est introduite et qui par son déplacement alterné met en forme de zig zag et en continu le ruban. Le chariot est animé du mouvement alternatif précité et permet ainsi d'obtenir en succession des longueurs de bandes, prédeterminées, ainsi qu'illustré figure 1.Ribbons and other textile bands produced continuously on looms must be packaged. To do this, an old method consists in folding them in a zig zag in a continuous movement back and forth determining lengths of bands. To do this, a carriage made up of rotating rollers between which the flexible strip is introduced and which by its alternating movement forms a zig zag and continuously the ribbon is used on an entablature provided for this purpose. The carriage is driven by the aforementioned reciprocating movement and thus makes it possible to obtain, in succession, predetermined strip lengths, as illustrated in FIG. 1.
Les différentes longueurs de bande doivent être acheminées dans un emballage, tout en conservant une certaine tenue de présentation.The different lengths of tape must be sent in a package, while maintaining a certain presentation attire.
Le problème posé est inhérent à la nature de la bande textile ou ruban qui est souple, pliable par définition. Il consiste, dans la tenue des différentes longueurs de bande, qui ont tendance à s'affaisser naturellement.The problem posed is inherent in the nature of the textile band or ribbon which is flexible, foldable by definition. It consists, in holding the different lengths of tape, which tend to sag naturally.
Cela est particulièrement gènant pour la qualité du conditionnement.This is particularly troublesome for the quality of the packaging.
On a donc tenté de trouver une solution satisfaisante à cette question et un dispositif a été décrit dans le brevet européen 62753. Ce brevet prévoit en particulier, des moyens de freinage exerçant une pression sur les bords longitudinaux de la bande avant pliage.An attempt has therefore been made to find a satisfactory solution to this question and a device has been described in European patent 62753. This patent provides in particular for braking means exerting pressure on the longitudinal edges of the strip before folding.
La bande est ainsi introduite entre un plan d'appui inférieur et un plan d'appui supérieur, tandis que des moyens poussoirs guident les bandes dans les bandes ainsi définies.The strip is thus introduced between a lower support plane and an upper support plane, while pushing means guide the strips in the strips thus defined.
Le mécanisme décrit dans ce brevet est complexe et ne permet pas une adaptabilité aisée du système en fonction de la largeur du ruban, même s'il y avait possibilité de réglage en hauteur des moyens exerçant l'appui supérieur.The mechanism described in this patent is complex and does not allow easy adaptability of the system according to the width of the tape, even if there was the possibility of height adjustment of the means exerting the upper support.
En outre les rouleaux n'ont qu'un rôle d'entraînement et de guidage de la bande.In addition, the rollers have only a role of driving and guiding the strip.
L'objet de l'invention vise à remédier à ces inconvénients.The object of the invention is to remedy these drawbacks.
La solution proposée par l'invention est particulièrement originale, simple à mettre en oeuvre. Elle présente de nombreux avantages dans la qualité de tenue des différents pliages en zig zag de la bande, celle-ci étant distribuée positivement.The solution proposed by the invention is particularly original, simple to implement. It has many advantages in the quality of resistance of the different zig zag folds of the strip, the latter being distributed positively.
En outre, des articles légers, type dentelle, peuvent être pliés avec le dispositif, selon l'invention.In addition, light items such as lace can be folded with the device according to the invention.
Selon une première caractéristique, le dispositif du type comprenant un entablement avec une zone arrière et des moyens de distribution de la bande ou ruban fabriqué, une zone centrale agencée avec une fente transversale autorisant le déplacement alternatif d'un couple de galets entre lesquels est guidée la bande ou ruban, lesdits galets étant disposés sur un chariot animé par des moyens de commandes d'une mouvement transversal alternatif en regard de la fente précitée et autorisant ainsi, à la sortie des galets, la mise en pli de la bande ou ruban, et d'une zone avant autorisant la réception et l'évacuation des parties de la bande ou ruban plié en continu et leur évacuation vers la zone de conditionnement, le dispositif comprenant, en outre, des moyens de poussée des parties de bandes ou rubans pliés ; le dispositif étant caractérisé en ce qu'il comprend deux ensembles comprenant notamment deux pignons coopérant avec une crémaillère fixe disposée transversalement dans l'entablement, lors du déplacement transversal du chariot, lesdits pignons coopérant avec des moyens associés aux galets à rotation opposée, lesdits moyens étant des roues libres montées en opposition permettant de rendre meneur alternativement chacun des galets en respectant le sens de défilement de la bande ou ruban, quel que soit le sens de déplacement du chariot, et en ce qu'il comprend un moyen agissant pendant la mise en forme des plis des bandes ou rubans, à la sortie des galets et consistant à exercer une pression et poussée temporaires alternées de chacune des parties de bandes ou rubans mises en plis, en accompagnant le sens de déplacement du chariot.According to a first characteristic, the device of the type comprising an entablature with a rear zone and means for dispensing the fabricated tape or ribbon, a central zone arranged with a transverse slot allowing the alternating movement of a pair of rollers between which is guided the strip or ribbon, said rollers being arranged on a carriage driven by means of controls of an alternating transverse movement opposite the aforementioned slot and thus authorizing, at the exit of the rollers, the folding of the strip or ribbon, and of a front zone authorizing the reception and the evacuation of the parts of the strip or ribbon folded continuously and their evacuation towards the conditioning zone, the device further comprising means for pushing the parts of the folded bands or ribbons ; the device being characterized in that it comprises two assemblies comprising in particular two pinions cooperating with a fixed rack disposed transversely in the entablature, during the transverse movement of the carriage, said pinions cooperating with means associated with rollers with opposite rotation, said means being free wheels mounted in opposition making it possible to alternately make each of the rollers respect the direction of travel of the strip or ribbon, whatever the direction of movement of the carriage, and in that it comprises a means acting during the setting in the form of folds of the bands or ribbons, at the exit of the rollers and consisting in exerting alternating temporary pressure and thrust of each of the parts of bands or ribbons folded, accompanying the direction of movement of the carriage.
Ces carctéristiques et d'autres ressortiront bien de la suite de la description.These and other characteristics will become apparent from the following description.
Pour fixer l'objet de l'invention illustrée d'une manière non limitative aux figures des dessins où :To fix the subject of the invention illustrated in a nonlimiting manner in the figures of the drawings where:
La figure 1 est une vue en perspective du dispositif selon l'invention positionné sur un entablement.Figure 1 is a perspective view of the device according to the invention positioned on an entablature.
La figure 2 est une vue de dessus selon la figure 1.Figure 2 is a top view according to Figure 1.
La figure 3 est une vue partielle de l'entablement illustrant le positionnement du dispositif et de ses éléments constitutifs.Figure 3 is a partial view of the entablature illustrating the positioning of the device and its constituent elements.
La figure 4 est une vue partielle arrière des moyens support des galets.Figure 4 is a partial rear view of the roller support means.
La figure 5 est une vue en coupe selon la ligne (5-5) de la figure 3.Figure 5 is a sectional view along line (5-5) of Figure 3.
La figure 6 est une vue en coupe selon la ligne (6-6) de la figure 5.Figure 6 is a sectional view along line (6-6) of Figure 5.
Les figures 7 et 8 sont des vues à caractères schématiques illustrant le fonctionnement du dispositif selon l'invention et la mise en forme successive des plis.Figures 7 and 8 are schematic views illustrating the operation of the device according to the invention and the successive shaping of the folds.
Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative illustré aux figures des dessins.In order to make the object of the invention more concrete, it is now described in a nonlimiting manner illustrated in the figures of the drawings.
Le dispositif selon l'invention vise à assurer le pliage en zigzag de bandes flexibles notamment en matériau textile, selon une mise en continu automatique. Ce dispositif est donc positionné de manière connue sur un entablement (1) présentant successivement une zone et des moyens (2) de distribution de la bande en provenance d'un rouleau sur lequel la bande a été enroulée lors de la fabrication, ou en vrac selon les modalités préalables de cette fabrication. Le moyen (2) représente de manière non limitative un guide de renvoi et de présentation de la bande vers les galets (4 et 5) d'acheminement de celle-ci.The device according to the invention aims to ensure the zigzag folding of flexible strips, in particular of textile material, according to an automatic continuous setting. These measures is therefore positioned in a known manner on an entablature (1) successively having an area and means (2) for distributing the strip coming from a roll on which the strip has been wound during manufacture, or in bulk according to the prior modalities of this manufacturing. The means (2) represents, without limitation, a guide for returning and presenting the strip to the rollers (4 and 5) for conveying the latter.
La partie centrale ou sensiblement de l'entablement est agencée avec une fente (3) transversale autorisant le déplacement alternatif d'un couple de galets (4 et 5) , montés en rotation opposée et entre lesquels est guidée l'extrémité de la bande, puis la bande elle-même, étant mise en pli en zig zag.The central or substantially part of the entablature is arranged with a transverse slot (3) allowing the alternating movement of a pair of rollers (4 and 5), mounted in opposite rotation and between which the end of the strip is guided, then the strip itself, being zig zag folded.
Les moyens moteurs autorisant le déplacement transversal d'un chariot support (7) du couple de galet (4 et 5) sont disposés dans la partie inférieure de l'entablement et protégés par des plaques de protection.The motor means authorizing the transverse movement of a support carriage (7) of the roller pair (4 and 5) are arranged in the lower part of the entablature and protected by protective plates.
Suite au mouvement alterné du chariot support, la bande pliée est alors acheminée sur la partie avant de l'entablement en étant guidée longitudinalement par des profilés (6) fixés de toute manière appropriée. Ainsi au fur et à mesure du pliage de la bande, celle-ci est acheminée vers l'avant de l'entablement et tombe dans un emballage ou conditionnement prévu à cet effet et non illustré.Following the alternating movement of the support carriage, the folded strip is then conveyed on the front part of the entablature, being guided longitudinally by profiles (6) fixed in any suitable manner. Thus, as the strip is folded, it is conveyed towards the front of the entablature and falls into a wrapping or packaging provided for this purpose and not illustrated.
Le dispositif, selon l'invention, permet de présenter les différents pliages successifs de la bande dans une position verticale ou sensiblement sur chant et de conserver une bonne tenue pendant toute l'avance de la bande pliée vers son conditionnement.The device according to the invention makes it possible to present the various successive folds of the strip in a vertical position or substantially on edge and to maintain good resistance throughout the advance of the folded strip towards its packaging.
A cet effet, le dispositif présente deux particularités essentielles :
- Une première particularité consiste à rendre meneur alternativement chacun des galets (4 et 5) en respectant ainsi le sens de défilement de la bande, quel que soit le sens de déplacement du chariot.
- L'autre particularité consiste à agir par des moyens contre les brins de la partie de bande en regard à la sortie du couple de galets (4-5) distributeurs en assurant une mise en pression et en tension alternée de chacune des demi parties de bandes venant d'être exécutées, ramenant ainsi, toujours à la verticale, les parties de bandes pliées.
- A first feature consists in making the leader alternately each of the rollers (4 and 5), thus respecting the direction of travel of the strip, whatever the direction. movement of the carriage.
- The other particularity consists in acting by means against the strands of the strip part opposite the exit of the pair of distributing rollers (4-5) while ensuring alternating pressure and tension of each of the half strip parts. just executed, thus bringing, still vertically, the folded strip parts.
On décrit maintenant de manière plus détaillée, les différents moyens constitutifs de l'invention.The various constituent means of the invention will now be described in more detail.
Le dispositif pris dans son ensemble est tout d'abord monté sur un chariot (7). Ce dernier comprend, par exemple, une semelle (7-1) profilé en U éventuellement, et dont les extrémités sont agencées à leur partie supérieure pour recevoir des plaques d'appui supportant des paliers (8).The device taken as a whole is first mounted on a carriage (7). The latter comprises, for example, a sole (7-1) possibly U-shaped, and the ends of which are arranged at their upper part to receive support plates supporting bearings (8).
En variante l'ensemble peut être réalisé monobloc.As a variant, the assembly can be made in one piece.
Les paliers sont guidés le long de deux coulisses (9 et 10) disposées transversalement à l'entablement. Le chariot peut donc être déplacé dans un mouvement alternatif et transversal, par rapport à l'entablement, en étant sensiblement en regard de la fente transversale (3) formée sur ledit entablement.The bearings are guided along two slides (9 and 10) arranged transversely to the entablature. The carriage can therefore be moved in a reciprocating and transverse movement, relative to the entablature, while being substantially opposite the transverse slot (3) formed on said entablature.
Afin d'assurer ledit mouvement le chariot est associé par sa partie inférieure à des moyens de commandes appropriées connus de l'homme de l'art et pouvant, par exemple, et non limitativement, être constitué par un système de bielles ou manivelles commandés par un moteur assurant le mouvement de va et vient précité.In order to ensure said movement, the carriage is associated by its lower part with appropriate control means known to those skilled in the art and which can, for example, and without limitation, be constituted by a system of connecting rods or cranks controlled by a motor ensuring the aforementioned back and forth movement.
L'amplitude de déplacement du chariot est réglable de manière connue et est fonction de la longueur des plis de rubans à obtenir.The amplitude of movement of the carriage is adjustable in a known manner and is a function of the length of the plies of ribbons to be obtained.
Selon l'invention, le dispositif est fixé au chariot, avantageusement, dans la partie médiane et centrale de la semelle. Il comprend tout d'abord, un chapeau support (11) de liaison des deux ensembles associés à chacun des galets (4 et 5), ledit chapeau étant solidarisé par une ou des vis de liaison (12) à la semelle.According to the invention, the device is fixed to the carriage, advantageously, in the central and central part of the sole. First of all, it comprises a support cap (11) for connecting the two assemblies associated with each of the rollers (4 and 5), said cap being secured by one or more connecting screws. (12) at the sole.
A partir de ce chapeau sont disposés dans des plans parallèles et verticaux les moyens commandant et assurant le défilement de la bande de ruban, entre les galets (4 et 5).From this cap are arranged in parallel and vertical planes the means controlling and ensuring the travel of the strip of tape, between the rollers (4 and 5).
Les galets se trouvent dans un plan supérieur à l'entablement et les autres moyens, dans la partie inférieure protégée par des plaques de protection. Ces moyens comprennent montés sur un arbre (13) (14) correspondant à chaque galet (4-5), des pignons (15) (16) susceptible de coopérer avec une crémaillère fixe (17) disposée sur le bâti de l'entablement entre les deux coulisses et dans le même plan de celles-ci.The rollers are in a plane above the entablature and the other means, in the lower part protected by protective plates. These means comprise mounted on a shaft (13) (14) corresponding to each roller (4-5), pinions (15) (16) capable of cooperating with a fixed rack (17) disposed on the frame of the entablature between the two slides and in the same plane of them.
Un bloc (18) écarteur et de maintien assure le guidage desdits arbres et est maintenu en position dans un plan fixe, par une structure porteuse (24) associée à la semelle du chariot, par des moyens appropriés. Deux roues libres (19-20) montées en opposition sont positionnées sur lesdits arbres, au dessus du bloc écarteur, chacune en étroite relation avec l'un des galets (4-5).A spacer and retaining block (18) guides said shafts and is held in position in a fixed plane, by a support structure (24) associated with the base of the carriage, by appropriate means. Two freewheels (19-20) mounted in opposition are positioned on said shafts, above the spacer block, each in close relation with one of the rollers (4-5).
Les galets (4-5) sont disposés chacun au dessus de chaque roue libre en étant indexés par des moyens appropriés. Ces deux galets sont en contact l'un de l'autre, tandis qu'une plaque entretoise (21) est montée en bout des galets dans un plan horizontal et assure leur protection et maintien.The rollers (4-5) are each arranged above each free wheel, being indexed by appropriate means. These two rollers are in contact with one another, while a spacer plate (21) is mounted at the end of the rollers in a horizontal plane and ensures their protection and maintenance.
En outre, ladite plaque reçoit des tiges (22-23) de liaison et de guidage desdits galets (4 et 5) , l'extrémité desdites tiges étant associée aux moyens précités pour compléter le montage du dispositif.In addition, said plate receives rods (22-23) connecting and guiding said rollers (4 and 5), the end of said rods being associated with the aforementioned means to complete the mounting of the device.
Selon une autre disposition, afin d'assurer le guidage du ruban se présentant à l'arrière des deux galets (4 et 5), il est prévu des tiges de guidage (25) verticales et parallèles montées à partir de la structure porteuse. Il est prévu, par ailleurs, et eventuellement, un bloc (26) coulissant le long des tiges, avec sur sa partie avant, un double profil inversé courbe, s'ajustant autour des parties de galets, curvilignes de lignes en regard.According to another arrangement, in order to guide the ribbon appearing at the rear of the two rollers (4 and 5), there are provided vertical and parallel guide rods (25) mounted from the support structure. It is also provided, and optionally, a block (26) sliding along the rods, with on its front part, a double curved inverted profile, adjusting around the curvilinear roller parts. of lines next to each other.
Ce bloc est réglable en hauteur par rapport au plan de l'entablement, la hauteur correspondant à la largeur du ruban. On évite, ainsi, le débattement ou un mouvement inopiné du ruban, avant son passage entre les galets (4-5).This block is adjustable in height relative to the plane of the entablature, the height corresponding to the width of the ribbon. This avoids the deflection or an unexpected movement of the ribbon, before it passes between the rollers (4-5).
Ainsi qu'indiqué précédemment, le dispositif, selon l'invention présente des moyens assurant une bonne tenue des parties de rubans pliées en zig zag et évitant son tassement ou affaissement.As indicated above, the device according to the invention has means ensuring good resistance of the portions of ribbons bent in a zig zag and preventing its compaction or sagging.
Il y a lieu de se référer, plus spécifiquement, aux figures 1, 2, 7 et 8.Reference should be made, more specifically, to Figures 1, 2, 7 and 8.
Le dispositif comprend, ainsi, un moyen agissant pendant la mise en forme des plis de rubans et altérnativement, selon la position du chariot et donc des galets (4 et 5), sur les parties de rubans pliées. Cette action consiste, dans l'exercice d'une pression et d'une poussée temporaire, contre la partie du ruban mise en pli et accompagnant le sens de déplacement du chariot.The device thus comprises a means acting during the shaping of the folds of ribbons and alternatively, depending on the position of the carriage and therefore of the rollers (4 and 5), on the portions of folded ribbons. This action consists, in the exercise of a pressure and a temporary push, against the part of the ribbon folded and accompanying the direction of movement of the carriage.
Ce moyen consiste, en une courroie (27), disposée en sortie des galets (4 et 5), accompagnant automatiquement le mouvement du chariot, ceci, afin de maintenir les couches ou parties de rubans pliées et de faciliter le dégagement du dispositif de mise en pli, par un mouvement d'avance progressif du ruban conditionné en zig zag.This means consists of a belt (27), arranged at the outlet of the rollers (4 and 5), automatically accompanying the movement of the carriage, this, in order to keep the layers or parts of ribbons folded and to facilitate the release of the setting device. in fold, by a progressive advance movement of the ribbon conditioned in zig zag.
Plus spécifiquement, cette courroie est fixée à ces extrémités (27-1) (27-2) sur des tiges ou axes (28), montés à position fixe sur l'entablement mais, dans une position sensiblement avancée, par rapport au plan avant des galets (4-5) en donnant ainsi une angulation.More specifically, this belt is fixed at these ends (27-1) (27-2) on rods or axes (28), mounted in a fixed position on the entablature but, in a substantially advanced position, relative to the front plane rollers (4-5) thus giving an angulation.
A l'extrémité arrière de l'entablement, sont disposés deux axes de renvoi (29-30) de la courroie, à position fixe. Ladite courroie est également guidée, de part et d'autre, de chaque galet (4-5). En effet, et de manière originale, la plaque entretoise (21) fixée au dessus de chaque galet est agencée, pour recevoir à partir de ses extrémités avant, et dans un plan excentré par rapport à l'axe des galets, deux tiges de renvoi (31-32) fixées de manière démontable, par boulonnage ou similaire.At the rear end of the entablature are arranged two return axes (29-30) of the belt, in a fixed position. Said belt is also guided, on either side, of each roller (4-5). Indeed, and in an original way, the spacer plate (21) fixed above each roller is arranged, to receive from its front ends, and in an eccentric plane with respect to the axis of the rollers, two return rods (31-32) fixed in a removable manner, by bolting or the like.
Ainsi, la courroie est guidée dans l'intervalle formé, entre chaque tige (31-32) et son galet en regard. On comprend bien de ce fait que par suite du mouvement alternatif du chariot, la courroie va être animée naturellement, d'un mouvement de déplacement, suivant le chariot, ainsi qu'il apparaît aux figures 7 et 8.Thus, the belt is guided in the gap formed, between each rod (31-32) and its facing roller. It is therefore clear from this fact that as a result of the reciprocating movement of the carriage, the belt will naturally be animated, with a movement of displacement, along the carriage, as it appears in FIGS.
En outre, il est prévu deux plaques de protection (33-34), sur la face avant du dispositif précité.In addition, two protective plates (33-34) are provided on the front face of the above-mentioned device.
Ces plaques sont fixées par boulonnage sur la plaque entretoise (21). Ces plaques protègent et obturent les zones de renvoi de la courroie près des galets (4 et 5) et permettent, en outre, un guidage du ruban à la sortie des galets.These plates are fixed by bolting to the spacer plate (21). These plates protect and seal the return areas of the belt near the rollers (4 and 5) and also allow the ribbon to be guided at the exit of the rollers.
Ainsi, de par le montage précité de la courroie, on comprend que des brins (27-3) de celle ci entre leur zone de fixation à leurs extrémités et les tiges de renvoi associées au montage des galets (4 et 5), vont avoir une action positive sur les parties de rubans mis en forme de plis. L'angulation va permettre alternativement selon le sens de déplacement du chariot l'action positive d'un brin de la courroie sur les plis formés du ruban. Cette action va se réaliser par l'effet d'une force progressive de poussée, qui aura tendance à ramener les plis de rubans les uns contre les autres et de les maintenir droits et ainsi éviter leur affaissement.Thus, from the aforementioned mounting of the belt, it is understood that strands (27-3) thereof between their attachment zone at their ends and the return rods associated with the mounting of the rollers (4 and 5), will have a positive action on the parts of ribbons in the form of folds. The angulation will allow alternately depending on the direction of movement of the carriage the positive action of a strand of the belt on the folds formed of the ribbon. This action will be carried out by the effect of a progressive pushing force, which will tend to bring the folds of ribbons against each other and keep them straight and thus prevent them from sagging.
Par ailleurs, l'exercice de cette force de poussée donnée alternativement par les brins de courroie, provoque directement la poussée progressive des plis de rubans le long de la goulotte de distribution, située à l'avant de l'entablement. Les actions répétées, à chaque pas et tassement du chariot, ont pour résultat de faire obtenir une parfaite tenue du ruban.Furthermore, the exercise of this pushing force given alternately by the belt strands, directly causes the progressive pushing of the ribbon plies along the distribution chute, located at the front of the entablature. The repeated actions, at each step and compaction of the carriage, result in obtaining a perfect hold of the ribbon.
Les moyens utilisés sont extrèmement simples, faciles à mettre en oeuvre.The means used are extremely simple, easy to implement.
La distance de déplacement alternatif du chariot sera fonction de la largeur des plis du ruban. La longueur active des brins de la courroie, variera naturellement en fonction de l'amplitude de déplacement du chariot.The distance of the carriage's alternative movement will depend on the width of the folds of the ribbon. The active length of the belt strands will naturally vary depending on the range of movement of the carriage.
Les avantages du dispositif selon l'invention sont notamment les suivants :
- La bande textile est distribuée positivement
- Les bandes de largeur différentes peuvent être pliées sans modification de réglage
- Les articles légers, du type dentelle, peuvent être pliés avec ce dispositif
- La longueur de la courroie peut être adaptée en fonction des besoins et des longueurs de mise en plis des bandes textiles.
- The textile band is positively distributed
- Strips of different widths can be folded without changing the setting
- Light items, such as lace, can be folded with this device
- The length of the belt can be adapted according to the needs and lengths of setting of the textile bands.
En cas de grande longueur il suffirait de déplacer la position des points fixes de la courroie.In case of great length it would be enough to move the position of the fixed points of the belt.
La courroie est choisie dans un matériau solide et durable, compte-tenu, du grand nombre de sollicitations, en déformation de la courroie selon les cycles et vitesses de déplacement du chariot.The belt is chosen from a solid and durable material, taking into account the large number of stresses, in deformation of the belt according to the cycles and speeds of movement of the carriage.
Claims (7)
- Perfected device for concertina folding a strip of flexible material or a ribbon continuously fed, of the type comprising a table (1) with a rear zone and means (2) to dispense the strip or ribbon produced, a central area arranged with a transversal slot (3) enabling the reciprocating movement of a pair of rollers (4 and 5) between which the strip or ribbon is guided, the said rollers being arranged on a slide (7) urged by the control means giving a reciprocating transversal movement in front of the aforementioned slot and thereby enabling, at the outlet of the rollers (4 and 5), the folding of the strip or ribbon and a front area enabling the take up and discharge of the parts of the strip or ribbon continuously folded and their discharge to the packaging area, the device comprising, in addition, pushing means of the folded strips or ribbons, wherein the device comprises two assemblies namely including two gears (15 - 16) cooperating with a fixed rack (17) transversally arranged in the table, during transversal movement of the slide (7), the said gears (15 - 16) cooperating with means (19 - 20) associated to rollers (4 and 5) with opposed rotation, the said means (19 - 20) being free wheels mounted in opposition enabling each roller (4 and 5) to become a drive roller alternatively, respecting the running direction of the strip or ribbon, regardless of the direction of movement of the slide and wherein it includes a means (27) acting during the forming of the folds of the strips or ribbons, at the outlet of the rollers (4 and 5) and consisting of applying alternative temporary pressure and thrust to each part of folded strip or ribbon, accompanying the direction of movement of the slide.
- Device according to claim 1, wherein the two assemblies include a connecting support cap (11) fixed to the slide and from which shafts (13 - 14) are arranged, corresponding to each roller (4 - 5), gears (15 - 16), a separating, holding and guiding block (18) of the said shafts, associated to a supporting structure (24) integral to the slide, two free wheels (19 - 20) arranged above the separating block, each in close relation with one of the rollers (4 - 5), an upper spacer plate (21) for connection of the said rollers, the said plate taking fastening rods (22 - 23), associated to the aforementioned means.
- Device according to claim 2, wherein it comprises at the rear of rollers (4 - 5) vertical and parallel guide rods (25) mounted on the supporting structure and between which the flexible strip is priorly inserted onto the said rods, a profiled (26) being mounted capable of sliding and adjustment in height.
- Device according to claim 1, wherein the said means acting to form folds of ribbons or strips according to the position of the slide is a belt (27) the ends of which are in a fixed position and likely to be deformed according to a reciprocating movement, in relation to the reciprocating movement of the slide.
- Device according to claim 4, wherein the fixed ends of the belt (27) are arranged on the frame on bolts (28) in a plane substantially in front with respect to the front plane of the rollers (4 - 5) and giving an angle, the said belt being in addition guided by the return bolts (29 - 30) arranged in a fixed manner in the rear part of the frame, the said belt being subject to a cyclic deformation, according to the movement of the slide being guided by return rods (31 - 32) defining with the rollers a clearance for passage of the belt.
- Device according to claims 2 and 5 together, wherein the return rods (31 - 32) are fixed on the spacer plate (21), arranged on top for the connection of the rollers (4 - 5).
- Device according to claim 6, wherein the sides (27-3) of the belt defined between the fixing area of the ends of the latter and the return rods (31 - 32) associated to the roller (4 - 5) assembly, apply a positive action to the folds formed on the strip or ribbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT89420357T ATE93813T1 (en) | 1988-09-22 | 1989-09-21 | DEVICE FOR FOLDING A FLEXIBLE WEB OF TEXTILE MATERIAL WITH CONTINUOUS FEED IN ZIGZAG. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8812709A FR2636614B1 (en) | 1988-09-22 | 1988-09-22 | IMPROVED DEVICE FOR ZIG-ZAG FOLDING OF A FLEXIBLE STRIP OF TEXTILE MATERIAL, CONTINUOUSLY PROVIDED |
| FR8812709 | 1988-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0360712A1 EP0360712A1 (en) | 1990-03-28 |
| EP0360712B1 true EP0360712B1 (en) | 1993-09-01 |
Family
ID=9370506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89420357A Expired - Lifetime EP0360712B1 (en) | 1988-09-22 | 1989-09-21 | Apparatus for the zig-zag folding of a continuously fed flexible web of textile material |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0360712B1 (en) |
| AT (1) | ATE93813T1 (en) |
| DE (1) | DE68908821T2 (en) |
| ES (1) | ES2047145T3 (en) |
| FR (1) | FR2636614B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758015A (en) * | 2016-08-16 | 2018-03-06 | 谭红卫 | A kind of automatic folding machine of resistance braid |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2657858B1 (en) * | 1990-02-08 | 1992-04-30 | Cheynet Fils Ets J | IMPROVED DEVICE FOR ZIG-ZAG BENDING OF A FLEXIBLE STRIP OR TAPE OF CONTINUOUSLY TEXTILE MATERIAL. |
| GB2359310A (en) * | 2000-02-17 | 2001-08-22 | Leeds Dyers Ltd | Cloth folding apparatus |
| CN109957957B (en) * | 2019-03-15 | 2023-06-27 | 浙江大学 | Automatic clothes stacking machine device and method based on embedded system |
| CN113306767B (en) * | 2021-05-26 | 2022-09-27 | 湖南龙建达电子科技有限公司 | Finishing device is used in production of mechano-electronic engineering resistance |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1141610B (en) * | 1953-11-12 | 1962-12-27 | Richard Kauschka | Folding device for material webs |
| CH462087A (en) * | 1966-03-16 | 1968-09-15 | Montforts Fa A | Device for vertical table movement in a laying machine for web-shaped material, in particular for textile webs |
| DE2225941A1 (en) * | 1972-05-27 | 1973-12-13 | Krantz H Fa | Cuttle motion - for stacking fabrics etc with fabric drawn at same speed as cuttle motion |
| DE2838410C2 (en) * | 1978-09-02 | 1985-01-03 | Krauss U. Reichert Gmbh + Co Kg Spezialmaschinenfabrik, 7012 Fellbach | Cloth laying machine |
| DE3114395C2 (en) * | 1981-04-09 | 1983-04-28 | Hans 5600 Wuppertal Affüpper | Device for zigzag folding in loops of a continuously fed, flexible tape |
-
1988
- 1988-09-22 FR FR8812709A patent/FR2636614B1/en not_active Expired - Lifetime
-
1989
- 1989-09-21 DE DE89420357T patent/DE68908821T2/en not_active Expired - Lifetime
- 1989-09-21 AT AT89420357T patent/ATE93813T1/en not_active IP Right Cessation
- 1989-09-21 ES ES89420357T patent/ES2047145T3/en not_active Expired - Lifetime
- 1989-09-21 EP EP89420357A patent/EP0360712B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758015A (en) * | 2016-08-16 | 2018-03-06 | 谭红卫 | A kind of automatic folding machine of resistance braid |
Also Published As
| Publication number | Publication date |
|---|---|
| DE68908821T2 (en) | 1994-04-21 |
| EP0360712A1 (en) | 1990-03-28 |
| FR2636614B1 (en) | 1991-10-31 |
| ES2047145T3 (en) | 1994-02-16 |
| ATE93813T1 (en) | 1993-09-15 |
| DE68908821D1 (en) | 1993-10-07 |
| FR2636614A1 (en) | 1990-03-23 |
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