EP0701017A1 - Method and device for treating stitches of textile products - Google Patents

Method and device for treating stitches of textile products Download PDF

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Publication number
EP0701017A1
EP0701017A1 EP95830327A EP95830327A EP0701017A1 EP 0701017 A1 EP0701017 A1 EP 0701017A1 EP 95830327 A EP95830327 A EP 95830327A EP 95830327 A EP95830327 A EP 95830327A EP 0701017 A1 EP0701017 A1 EP 0701017A1
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EP
European Patent Office
Prior art keywords
needle
mesh
punch
stitch
punches
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Granted
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EP95830327A
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German (de)
French (fr)
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EP0701017B1 (en
Inventor
Alberto Frullini
Paolo Frullini
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Individual
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Individual
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/40—Circular knitting machines with independently-movable needles with provision for transfer of knitted goods from one machine to another
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/02—Loop-transfer points

Definitions

  • the present invention relates to a method and a device for removing one or more stitches from a knitted manufactured product, weaving needles of a textile machine and for their transfer and placement on other textile organs, in the same way machine or another.
  • cover we conceive a condition conceived by a momentary coupling between the head of a punch and that of a needle, one on the extension of the other, with no solution of continuity, such as to allow transfer of a needle stitch to the punches, and / or vice versa, without obstacle.
  • Said punches are in an even number to the number of weaving needles loaded with the meshes to be taken, shaped so as to be able to be hooked by the head on the hook of the needles, and grouped in blocks, usually called "combs", each of which comprises a predetermined number punches.
  • combs each of which comprises a predetermined number punches.
  • the movement of said combs is very difficult and most often manual, it requires good experience in handling these textile organs, and therefore requires the use of specialized labor and involves a high cost of manufacturing the finished product.
  • their application to circular machines is difficult to achieve given the complexity of managing the mechanical organs necessary for the automatic conduct of said operations.
  • the main purpose of the present invention is to eliminate said drawbacks.
  • the number of meshes thus removed is indifferent, in a manner compatible with the structural characteristics of the manufactured product and of the textile machine in charge of its formation: said meshes can also be sampled by adjacent mesh groups, each group being formed by a predetermined number of meshes.
  • the advantages deriving from the present invention essentially consist in the fact that it is possible to operate the removal and transfer of all the meshes or of a part of them of a manufactured product between textile organs of the same machine, or different machines, completely automatically and with a production significantly higher than that obtained with traditional equipment, which allows to drastically reduce the cost of manufacturing finished products; that an operational process according to the invention is achievable either with rectilinear machines, than with circular or mixed machines; that a device according to the invention is relatively simple, economical and reliable to manufacture even after an extended period of use.
  • FIG. 1 schematically shows the detail of a textile machine predisposed to allow the removal and transfer of the meshes of a knitted manufactured product in accordance with the invention, said machine being of the type with mobile plates (2), where a needle is visible weaving of the valve type at the end of the lifting phase, in the position with closed plates and with the respective mesh in the unloaded position;
  • Fig. 2 represents the needle of FIG. 1 in the descent phase, with the corresponding mesh (3) near the hinge of the relative valve;
  • FIG. 3 schematically represents the needle of FIG. 2 in the phase of another descent, with the means for removing the mesh approached at the head of the needle, that is to say in the cover position, and with the knitted mesh of the respective flap;
  • FIG. 4 represents yet another downside, with the means for removing the mesh advanced with respect to the previous phase and with the mesh invested on them:
  • FIG. 5 shows the needle of FIG. 4, with the removal means raised with respect to the previous phase and release of the respective plate, and means for supporting the mesh invested on the aforementioned removal means;
  • Fig. 6 schematically represents the means for removing and transferring the mesh, in accordance with an alternative embodiment;
  • FIG. 7 schematically represents the means for removing the mesh, with the support means of the same, and the means (13) for transferring the mesh from the respective removal means to a needle (10) of the same machine or of a another textile machine, in the initial phase of depositing or unloading the mesh;
  • Fig. 8 represents the means of FIG. 7 in the deposited mesh position;
  • Fig. 9 schematically represents the means for removing and transferring the mesh of FIG. 7, in the initial phase of depositing the mesh on a stitching point (11);
  • Fig. 10 shows the means of FIG. 9, in the deposited mesh position;
  • Fig. 11 schematically represents the means for removing the mesh, according to an alternative embodiment, placed in the mesh retaining position;
  • Fig. 12 shows the means of FIG.
  • Fig. 13 schematically represents the means for removing the mesh, in accordance with a form alternative embodiment, in retained mesh position;
  • Fig. 14 shows the means of FIG. 13, in the initial release phase of the mesh;
  • Fig. 15A schematically represents a group of sampling devices of a length between two different values;
  • Fig. 15B schematically represents a group of sampling organs. different length between three different values;
  • Fig. 16 shows the means of FIG. 13 in the final phase of predisposition of the same to the release of the mesh;
  • Fig. 17 schematically represents the means for removing and supporting the mesh with the respective support members;
  • Fig. 18 schematically represents the means for removing the mesh with the respective movement members, according to a first embodiment;
  • Fig. 15A schematically represents a group of sampling devices of a length between two different values
  • Fig. 15B schematically represents a group of sampling organs. different length between three different values
  • Fig. 16 shows the means of FIG. 13 in the final phase of pre
  • FIG. 19 schematically represents the means for removing the mesh with the respective movement members, according to another embodiment
  • Fig. 20 schematically represents the means used to control the means of FIG. 16
  • Fig. 21 schematically represents a group of sampling members with means of movement in two directions orthogonal to each other.
  • the device for carrying out said operational process comprises cam means, per se already known, for the movement of said needles (1), and further comprises means for the removal and transfer of said meshes (3), one by one, with a fundamentally flat element (6), called “punch", for each mesh (3) to be sampled and transferred, which is below provided with a groove (60) with a concavity fundamentally turned towards the head of a needle (1) loaded with the mesh (3) to allow the narrow approach to the hook of the needle (1) corresponding so as to achieve the cover of the needle (1) and the element (6) by closing the valve (5): said punch (6) being expediently supported by a member (61) to which it is connected so as to result in fixed or otherwise longitudinally sliding action against it.
  • each of the punches (6) is provided with a heel (64) slaved to an external control organ for activate the movement, such as a cam (63) or a control bar (65) to obtain the movement of the punches (6) in sequence or all together.
  • the downward movement of the punch (6) can be exploited to obtain the corresponding lowering of the respective needle (1) after contact between the punch (6) and the needle (1).
  • Each punch (6) can be provided with any member for interfacing the punch with a corresponding control member.
  • the distance between two adjacent punches (6) is equal to the pitch or center distance between said needles (1) or a multiple of said pitch.
  • Said punches (6) are all of the same length or of a different length, in relation to the type of processing of the meshes (3) to be executed. More precisely, with reference to FIGS. 15A and 15B of the appended drawings, if intended to carry out the simultaneous removal of all the meshes (3) of the manufactured product, said punches (6) are all of the same length, so that the respective ends free (7), that is to say those intended for the coupling of cover with the respective needles (1), always result at the same level with respect to the felling plane (4) of the machine.
  • the punches (6) adjacent to each other are of a different length, so that the free ends (7) of the punches (6) operating the removal meshes (3) result at a different level, compared to the felling plane (4) of the machine, from that of the other punches (6) of the group. This avoids an'eccessive expansion of the meshes (3) thus treated.
  • said punches (6) are fixed to the support (61).
  • the movement of the punches (6) is obtained with the corresponding movement of the support (61), which is actionable, in turn, by means of producing cylinders and guided on corresponding or similar rails.
  • said punches (6) are housed one by one in corresponding fundamentally rectilinear grooves (62) of the support (61), so as to allow bidirectional movement in the respective longitudinal direction relative to the support (61).
  • the movement of the punches (6) relative to the support (61) is obtainable with cam means (63) or with a control bar (65), acting on the relative heels (64) or equivalent bodies, according to whether one wishes to carry out the movement of the punches (6) one by one, in sequence, or their simultaneous translation from and to the textile head of the machine.
  • said grooves (62) can have different shape and development from those illustrated in the figures of the accompanying drawings.
  • the movement of the punches (6) for carrying out the removal and transfer of the meshes (3) is achievable by combining the movement of the support (61), for the displacements of major amplitude, with that of the punches (6) relative to the support (61), for displacements of minor amplitude. In this way it is also possible to differentiate the relative displacements between the different punches of the support and / or to select the punches to be moved.
  • said support (61) is subdivided into several separate sections, each of which with a predetermined number of punches (6), so as to further differentiate the movement of the punches (6) of the device and thus enlarge subsequently the range of mesh withdrawals (3) that can be carried out, in order to obtain a greater number of possible machining operations.
  • Each of said punches (6) can also be shaped so as to present a rod with the axis inclined relative to the portion of the anterior end (7), as illustrated in Figg. 13 and 14 of the accompanying drawings.
  • means are provided for retaining each of said meshes (3) in a fixed and predetermined position on the corresponding punch (6).
  • Said means are shaped, according to a first embodiment, by a recess (9) which is provided on each of said punches (6) at a predetermined distance from the respective free end (7) and it is intended to retain the corresponding mesh (3) removed by the effect of the inherent elasticity of this one.
  • said means for retaining the mesh (3) on the punch (6) are formed by a blade (8) placed, on command, below the mesh (3) invested on the respective punch (6) so as to prevent spontaneous release.
  • Said blade (8) can be associated with a corresponding control member which consists, for example, of a pile (80) intended to cause rotation thereof around a pivot (81) for connecting the blade (8 ) to a corresponding support member (82).
  • the function performed by the aforementioned pile (80) can otherwise be performed by a cam pivoting about an axis parallel to that of the punch (6), or by a realizing cylinder, acting on the blade (8). This makes it possible to prevent the fabric from slipping out of the punches (6) during the mesh transfer operations (3). Means are also advantageously provided for releasing each mesh (3) from the respective punch (6).
  • Said mesh release means (3) consist, according to a first embodiment, by a flat element (13) acting on the mesh (3) invested on the punch (6), so as to cause the movement thereof. pushed towards the free end of the punch (6), and thus the transfer to the textile member where it is intended, such as for example the needle (10) or the tip (11) illustrated in the figures of the appended drawings.
  • a pile (12) pivoting around a pivot (92) for connecting the pile (12) is provided.
  • said mesh release means (3) consist of a pile with a basically straight axis (14) in the free end is intended to slide adjacent to the corresponding end of the punch (6), which is conveniently shaped with a rectilinear groove (96) to allow the approach of the pile (14) so as to provide the covering, respectively the uncovering, of the respective recess (9) and so as to be inserted inside the mesh (3) by expanding it, thus allowing unloading.
  • the free end of said pile (14) is wedge-shaped and folded laterally so as to result oriented towards the punch (6).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Machines (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

To take and transfer one or more knitted stitches, to needles of the same or a different machine, the needle (1) with the stitch (3) and sinkers (2) is raised to move the stitch (3) into an ejection position below an open latch (5) of the needle (1). The needle (1) is drawn down to bring the stitch (3) into the knock-over plane (4) defined by the sinkers (2). A further lowering of the needle (1) shifts the stitch (3) on the needle (1) neck to the latch (5) hinge. The needle (1) is lowered still further to close the latch (5) or operate the slide. The stitch (3) is lifted (6) to the needle head through contact. The needle (1) is lowered again to the bottom setting for the stitch lifter (6) to move into the stitch (3) for automatic transfer between the needle (1) and the lifter (6). Also claimed is a knitting appts. with a lifter (6) for each stitch (3) at a needle (1), with a plate or point to lift and transfer the stitch (3). The lifter (6) has a concave throat facing the curved needle (1) head carrying a stitch (3) to cover the needle head on closing the latch (5) or slide. The lifter point (6) can be on a carrier with a longitudinal sliding movement.

Description

La presente invention concerne un procédé et un dispositif pour le prélèvement d'une ou plusieurs mailles d'un produit manufacturé tricoté, des aiguilles de tissage d'une machine textile et pour leur transfert et placement sur d'autres organes textiles, de la même machine ou d'une autre.The present invention relates to a method and a device for removing one or more stitches from a knitted manufactured product, weaving needles of a textile machine and for their transfer and placement on other textile organs, in the same way machine or another.

Il est connu par les hommes du metiér que dans les machines textiles à tricoter, plus particulièrement les machines rectilignes, par exemple dans les métiers à tisser du type Cotton, pour permettre la réalisation de différentes opérations de tricotage après la réalisation d'un produit manufacturé en tricot, comme par exemple le tricotage de deux parties différentes d'un même produit manufacturé, les mailles formées en dernier, ou une partie d'entre elles, sont prélèvées par les respectives aiguilles de formation au moyen d'organes, en jargon appelés "poinçons", aptes à couvrir lesdites aiguilles de manière à permettre le transfert des mailles de ces-ci aux poinçons. Les mailles ainsi prélèvées sont donc transférées, avec lesdits poinçons, sur d'autres aiguilles de la même machine ou d'une machine différente. Avec le terme "couverture" on conçoit une condition conçue par un accouplement momentané entre la tête d'un poinçon et celle d'une aiguille, l'un sur le prolongement de l'autre, sans solution de continuité, telle de permettre le transfert d'une maille de l'aiguille au poinçons, et/ou vice versa, sans obstacle.It is known by those skilled in the art that in textile knitting machines, more particularly rectilinear machines, for example in weaving looms of the Cotton type, to allow the carrying out of different knitting operations after the production of a manufactured product. in knitting, such as for example the knitting of two different parts of the same manufactured product, the stitches formed last, or a part of them, are taken up by the respective training needles by means of organs, in jargon called "punches", capable of covering said needles so as to allow the transfer of the meshes from these to the punches. The meshes thus taken are therefore transferred, with said punches, to other needles of the same machine or of a different machine. With the term "cover" we conceive a condition conceived by a momentary coupling between the head of a punch and that of a needle, one on the extension of the other, with no solution of continuity, such as to allow transfer of a needle stitch to the punches, and / or vice versa, without obstacle.

Lesdits poinçons sont en nombre pair au nombre des aiguilles de tissage chargées des mailles à prélèver, façonnés de manière à pouvoir être accrochés par la tête au crochet des aiguilles, et regroupés en bloques, habituellement appellés "peignes", chacun desquels comprend un nombre prédetérminé de poinçons.
Mais le mouvement desdits peignes est très difficile et le plus souvent manuelle, ce-ci requiért une bonne expérience dans la manipulation de ces organes textiles, et donc requiért l'emploi de main-d'oeuvre spécialisée et comporte un coût élevé de fabrication du produit terminé. En outre leur application aux machines circulaires est difficile à réaliser vu la complexité de gestion des organes mécaniques necessaires au déroulement automatique desdites opérations.Said punches are in an even number to the number of weaving needles loaded with the meshes to be taken, shaped so as to be able to be hooked by the head on the hook of the needles, and grouped in blocks, usually called "combs", each of which comprises a predetermined number punches.
But the movement of said combs is very difficult and most often manual, it requires good experience in handling these textile organs, and therefore requires the use of specialized labor and involves a high cost of manufacturing the finished product. In addition, their application to circular machines is difficult to achieve given the complexity of managing the mechanical organs necessary for the automatic conduct of said operations.

Le but principale de la presente invention est celui d'éliminer lesdits inconvenients.The main purpose of the present invention is to eliminate said drawbacks.

A ce resultat on est parvenus, conformément à l'invention, en adoptant un procédé opérationnel comprenant une phase préparatoire de fabbrication d'un produit manufacturé tricoté avec une machine pourvue de plusieurs aiguilles de tricotage automatiques, particulierement du type à clapet ou à coulisse et d'un plan d'abattage des mailles, lequel comporte, pour chaque maille du produit manufacturé qui faut prélèver et transférer, les suivantes phases opérationnelles:

  • soulever l'aiguille de tissage qui supporte la maille, de manière à la placer en position de déchargé sur l'aiguille, c'est-à-dire inférieurement au clapet ou coulisse dans sa position ouverte;
  • abaisser l'aiguille ainsi soulevée, de manière à obliger ladite maille à se placer sur le plan d'abattage de la machine et, avec un'autre descente de l'aiguille, obliger la maille à se placer sur le cou de celle-ci en se plaçant en proximité du respectif clapet ou de la coulisse en position ouverte;
  • abaisser ultérieurement ladite aiguille, de manière à provoquer la fermeture du clapet respectif ou l'actionnemmnt de la coulisse sur la tête de l'aiguille par la même maille et, avant de la complète fermeture du clapet, ou de l'actionnement de la coulisse, de l'aiguille, raprocher un élément de prélèvement de la maille à la tête de l'aiguille jusqu'à son contact avec celle-ci, de manière à réaliser sa couverture et celle de l'organe de prélèvement au moment de la fermeture dudit clapet ou coulisse;
  • abaisser encore ladite aiguille et, ensemble, ledit élément de prélèvement de la maille, de manière à l'insérer à l'intérieur de la même et ainsi obtenir le transfert automatique de ladite aiguille sur l'élément de prélèvement;
  • transférer ailleur la maille ainsi prélèvée, par exemple la déposer sur une aiguille ou autre organe de la même machine ou d'une autre machine textile.
This result has been achieved, in accordance with the invention, by adopting an operational process comprising a preparatory phase of manufacturing a knitted manufactured product with a machine provided with several automatic knitting needles, in particular of the flap or sliding type and a mesh slaughter plan, which includes, for each mesh of the manufactured product which must be removed and transferred, the following operational phases:
  • lift the weaving needle which supports the mesh, so as to place it in the unloaded position on the needle, that is to say below the valve or slides in its open position;
  • lower the needle thus raised, so as to force said stitch to be placed on the felling plane of the machine and, with another descent of the needle, oblige the stitch to be placed on the neck thereof by placing themselves near the respective valve or slide in the open position;
  • subsequently lower said needle so as to cause the closure of the respective valve or the actuation of the slide on the head of the needle by the same mesh and, before complete closure of the valve, or actuation of the slide , of the needle, close a sampling element of the mesh at the head of the needle until it contacts it, so as to provide cover and that of the sampling organ at the time of closing said valve or slide;
  • further lowering said needle and, together, said sampling element of the stitch, so as to insert it inside the same and thus obtain the automatic transfer of said needle onto the sampling element;
  • transfer the mesh thus removed elsewhere, for example deposit it on a needle or other member of the same machine or of another textile machine.

Avantageusement, conformément à l'invention, le nombre des mailles ainsi prélèvées est indifférent, de façon compatible avec les caractéristiques structurales du produit manufacturé et de la machine textile préposée à sa formation: ledites mailles peuvent en outre être prélèvées par groupes de mailles adjacentes, chacun groupe étant formé par un nombre prédéterminé de mailles.Advantageously, in accordance with the invention, the number of meshes thus removed is indifferent, in a manner compatible with the structural characteristics of the manufactured product and of the textile machine in charge of its formation: said meshes can also be sampled by adjacent mesh groups, each group being formed by a predetermined number of meshes.

Pour ce qu'il concerne la réalisation dudit procédé opérationel, il comprend, en combinaison: - des moyens por le mouvement de chacune desdites aiguilles de formation des mailles dans la direction du respectif axe longitudinal;

  • des moyens pour le prélèvement des mailles desdites aiguilles et pour leur transfert sur d'autres organes textiles de la même machine ou d'une autre machine textile;
  • des moyens pour le mouvement desdits moyens de prélèvement et transfert des mailles.
As far as the realization of said operational process is concerned, it comprises, in combination: - means for the movement of each of said mesh-forming needles in the direction of the respective longitudinal axis;
  • means for removing the stitches from said needles and for transferring them to other textile members of the same machine or of another textile machine;
  • means for the movement of said means for removing and transferring meshes.

Les avantages qui dérivent de la presente invention consistent essentiellement en ce que il est possible opérer le prélèvement et le transfert de toutes les mailles ou d'une partie d'entre elles d'un produit manufacturé entre organes textiles d'une même machine, ou de machines différentes, de manière complètement automatique et avec une production sensiblement plus importante de celle obtenue avec des appareillages traditionaux, ce qu'il permet de réduire de façon draconienne le coût de fabrication des produits finis; qu'un procédé opérationnel conformément à l'invention est réalisable soit avec des machines rectilignes, que avec des machines circulaires ou mixtes; qu'un dispositif conformément à l'invention est de fabrication relativement simple, économique et fiable même après un temps prolongé d'utilisation.The advantages deriving from the present invention essentially consist in the fact that it is possible to operate the removal and transfer of all the meshes or of a part of them of a manufactured product between textile organs of the same machine, or different machines, completely automatically and with a production significantly higher than that obtained with traditional equipment, which allows to drastically reduce the cost of manufacturing finished products; that an operational process according to the invention is achievable either with rectilinear machines, than with circular or mixed machines; that a device according to the invention is relatively simple, economical and reliable to manufacture even after an extended period of use.

Ces avantages et caractéristiques de l'invention ainsi que d'autres seront plus et mieux compris de chaque homme du métier à la lumière de la description qui va suivre et à l'aide des dessins annexés donnés à titre d'exemplification pratique d'une forme concrète de réalisation, mais à ne pas considérer dans le sens limitatif, sur lesquels: la Fig. 1 représente schématiquement le détail d'une machine textile prédisposée pour permettre le prélèvement et le transfert des mailles d'un produit manufacturé tricoté conformément à l'invention, ladite machine étant du type à platines (2) mobiles, où est visible une aiguille de tissage du type à clapet au terme de la phase de son soulevement, dans la position à platines fermées et avec la respective maille in position de déchargé; la Fig. 2 représente l'aiguille de la Fig. 1 dans la phase de déscente, avec la correspondante maille (3) en proximité de la charnière du relatif clapet; la Fig. 3 représente schématiquement l'aiguille de la Fig. 2 dans la phase d'une autre déscente, avec les moyens de prélèvement de la maille approchée à la tête de l'aiguille, c'est-à-dire en position de couverture, et avec la maille à cheval de respectif clapet; la Fig. 4 représente encore une autre déscente, avec les moyens de prélèvement de la maille avancés par rapport à la phase précéndente et avec la maille investie sur eux: la Fig. 5 représente l'aiguille de la Fig. 4, avec les moyens de prélèvement soulevés par rapport à la phase précèdente et de dégagement de la respective platine, et des moyens de soutien de la maille investie sur les précités moyens de prélèvement; la Fig. 6 représente schématiquement les moyens de prélèvement et transfert de la maille, conformément à une forme alternative de réalisation; la Fig. 7 représente schématiquement les moyens de prélèvement de la maille, avec les moyens de soutien de la même, et les moyens (13) de transfert de la maille des respectifs moyens de prélèvement à une aiguille (10) de la même machine ou d'une autre machine textile, dans la phase initiale de dépôt ou déchargement de la maille; la Fig. 8 représente les moyens de la Fig. 7 en position de maille déposée; la Fig. 9 représente schématiquement les moyens de prélèvement et transfert de la maille de la Fig. 7, dans la phase initiale de dépôt de la maille sur une pointe de remailleuse (11); la Fig. 10 représente les moyens de la Fig. 9, en position de maille déposée; la Fig. 11 représente schématiquement les moyens de prélèvement de la maille, selon une forme alternative de réalisation, placés en position de retenue de la maille; la Fig. 12 représente les moyens de la Fig. 11 en position de libération consentie de la maille; la Fig. 13 représente schématiquement les moyens de prélèvement de la maille, conformément à une forme alternative de réalisation, en position de maille retenue; la Fig. 14 représente les moyens de la Fig. 13, en phase initiale de libération consentie de la maille; la Fig. 15A représente schématiquement un groupe d'organes de prélèvement d'une longuer comprise entre deux valeurs différentes; la Fig. 15B représente schématiquement un groupe d'organes de prélèvement. de longuer différente comprise entre trois valeurs différentes; la Fig. 16 représente les moyens de la Fig. 13 dans la phase finale de prédisposition des mêmes à la libération de la maille; la Fig. 17 représente schématiquement les moyens de prélèvement et de soutien de la maille avec les respectifs organes de soutien; la Fig. 18 représente schématiquement les moyens de prélèvement de la maille avec les respectifs organes de mouvement, selon une première forme de réalisation; la Fig. 19 représente schématiquement les moyens de prélèvement de la maille avec les respectifs organes de mouvement, selon un'autre forme de réalisation; la Fig. 20 représente schématiquement les moyens préposés à la commande des moyens de la Fig. 16; la Fig. 21 représente schématiquement un groupe d'organes de prélèvement avec des moyens de mouvement selon deux directions orthogonales entre elles.These advantages and characteristics of the invention as well as others will be more and better understood by each person skilled in the art in the light of the description which follows and with the aid of the appended drawings given by way of practical example of a concrete embodiment, but not to be considered in the limiting sense, on which: FIG. 1 schematically shows the detail of a textile machine predisposed to allow the removal and transfer of the meshes of a knitted manufactured product in accordance with the invention, said machine being of the type with mobile plates (2), where a needle is visible weaving of the valve type at the end of the lifting phase, in the position with closed plates and with the respective mesh in the unloaded position; Fig. 2 represents the needle of FIG. 1 in the descent phase, with the corresponding mesh (3) near the hinge of the relative valve; Fig. 3 schematically represents the needle of FIG. 2 in the phase of another descent, with the means for removing the mesh approached at the head of the needle, that is to say in the cover position, and with the knitted mesh of the respective flap; Fig. 4 represents yet another downside, with the means for removing the mesh advanced with respect to the previous phase and with the mesh invested on them: FIG. 5 shows the needle of FIG. 4, with the removal means raised with respect to the previous phase and release of the respective plate, and means for supporting the mesh invested on the aforementioned removal means; Fig. 6 schematically represents the means for removing and transferring the mesh, in accordance with an alternative embodiment; Fig. 7 schematically represents the means for removing the mesh, with the support means of the same, and the means (13) for transferring the mesh from the respective removal means to a needle (10) of the same machine or of a another textile machine, in the initial phase of depositing or unloading the mesh; Fig. 8 represents the means of FIG. 7 in the deposited mesh position; Fig. 9 schematically represents the means for removing and transferring the mesh of FIG. 7, in the initial phase of depositing the mesh on a stitching point (11); Fig. 10 shows the means of FIG. 9, in the deposited mesh position; Fig. 11 schematically represents the means for removing the mesh, according to an alternative embodiment, placed in the mesh retaining position; Fig. 12 shows the means of FIG. 11 in the released position of the mesh; Fig. 13 schematically represents the means for removing the mesh, in accordance with a form alternative embodiment, in retained mesh position; Fig. 14 shows the means of FIG. 13, in the initial release phase of the mesh; Fig. 15A schematically represents a group of sampling devices of a length between two different values; Fig. 15B schematically represents a group of sampling organs. different length between three different values; Fig. 16 shows the means of FIG. 13 in the final phase of predisposition of the same to the release of the mesh; Fig. 17 schematically represents the means for removing and supporting the mesh with the respective support members; Fig. 18 schematically represents the means for removing the mesh with the respective movement members, according to a first embodiment; Fig. 19 schematically represents the means for removing the mesh with the respective movement members, according to another embodiment; Fig. 20 schematically represents the means used to control the means of FIG. 16; Fig. 21 schematically represents a group of sampling members with means of movement in two directions orthogonal to each other.

Réduit à sa structure essentielle et en référence aux figures des dessins annexés, un procédé pour le prélèvement d'une ou plusieurs mailles d'un produit manufacturé par des aiguille dei tricotage d'une machine textile et pour leur transfert et dépôt sur d'autres organes textiles, de la même ou d'une autre machine, comprenant la phase préliminaire de fabriquer un produit manufacturé tricoté avec une machine pourvue de plusieurs aiguilles de tricotage (1) du type à clapet et d'un plan d'abattage (4) des mailles (3), conformément à l'invention comporte, pour chaque maille (3) du produit manufacturé à prélèver et transférer, les suivantes phases opérationnelles:

  • (a) soulever l'aiguille (1) de tricotage qui supporte la maille (3), avec les platines (2) avancées, c'est-à-dire fermées, de manière à placer la maille (3) en position de déchargé (niveau S de la Fig. 1), c'est-à-dire inférieurement au clapet (5) ouvert de l'aiguille (1);
  • (b) abaisser ladite aiguille (1), de manière à obliger la maille (3) à se placer sur le plan d'abatage (4), lequel est délimité dans ce cas par les platines (2) et, avec une autre déscente de l'aiguille (1), obliger la maille (3) à bouger sur le cou de l'aiguille (1) en se plaçant en proximité de la charnière du respectif clapet (5);
  • (c) abaisser encore ladite aiguille (1), de manière à provoquer la fermeture du respectif clapet (5) du côté de la même maille (3) investie sur ladite maille, laquelle ne peut glisser ensemble à l'aiguille (1) puisque elle est appuiée sur le plan (4) d'abattage, et, avant la complète fermeture du clapet (5), raprocher un élément (6) de prélèvement de la maille à la tête dell'aiguille (1) jusqu'à son contact avec celle-ci, de manière à réaliser la couverture de l'aiguille (1) et dudit élément (6) avec le clapet ainsi mouvementé;
  • (d) abaisser ultérieurement l'aiguille (1) et ledit élément (6), de manière à insérer cette dernière à l'intérieur de la maille (3), et ainsi en obtenir le transfet automatique de l'aiguille (1) sur l'élément (6);
  • (e) transférer ailleur la maille (3) ainsi prélèvée, de manière à permettre des traitements successifs, comme par exemple la poursuite du tricotage du produit manufaturé sur un'autre machine ou sur un'aiguille d'une différente fonture de la même machine ou sur un'autre zone de la même fonture d'aiguilles, ou le positionnement de la maille à une distance prédéterminée de l'aiguille (1) en attente, et permettre la poursuite du tricotage, ou la mise en train d'un cycle successif de façonnage, sur l'aiguille (1) libérée de la maille (3).
Reduced to its essential structure and with reference to the figures of the appended drawings, a process for the removal of one or more stitches from a manufactured product by knitting needles of a textile machine and for their transfer and deposit on other textile organs, of the same or of another machine, comprising the preliminary phase of manufacturing a knitted manufactured product with a machine provided with several knitting needles (1) of the type valve and a felling plan (4) of the meshes (3), in accordance with the invention comprises, for each mesh (3) of the manufactured product to be sampled and transferred, the following operational phases:
  • (a) raise the knitting needle (1) which supports the mesh (3), with the plates (2) advanced, that is to say closed, so as to place the mesh (3) in the unloaded position (level S of FIG. 1), that is to say below the valve (5) open to the needle (1);
  • (b) lower said needle (1), so as to force the mesh (3) to be placed on the felling plane (4), which is in this case delimited by the plates (2) and, with another descent of the needle (1), force the stitch (3) to move on the neck of the needle (1) by placing itself near the hinge of the respective valve (5);
  • (c) further lowering said needle (1), so as to cause the closure of the respective valve (5) on the side of the same stitch (3) invested on said stitch, which cannot slide together with the needle (1) since it is supported on the felling plane (4), and, before the valve is completely closed (5), attach an element (6) for removing the mesh from the needle head (1) until it contacts with it, so as to achieve the covering the needle (1) and said element (6) with the valve thus actuated;
  • (d) subsequently lower the needle (1) and said element (6), so as to insert the latter inside the mesh (3), and thus obtain the automatic transfer of the needle (1) to the element (6);
  • (e) transfer the mesh (3) thus taken elsewhere, so as to allow successive treatments, such as for example the continued knitting of the manufatured product on another machine or on a needle of a different needle bed of the same machine or on another zone of the same needle bed, or the positioning of the stitch at a predetermined distance from the waiting needle (1), and allow the continuation of knitting, or the setting in motion of a cycle successive shaping, on the needle (1) released from the mesh (3).

Il va de soi que lesdites opérations peuvent être répetées plusieurs fois, de manière que un même élément (6) peut prélèver plusieurs mailles (3) en succession. Après les mailles (3) ainsi prélèvées peuvent être dirigées à des façonnages successifs. De tel façon, il est possible par exemple prélèver les mailles (3) terminales de deux ou plusieurs produits manufacturés, ou d'une ou plusieurs parties de produits manufacturés, pour les transférer sur une machine à remailler et en effectuer l'assemblage, ou pour les transférer sur une autre machine textile pour en poursuivre le tricotage au moyen de cette dernière.It goes without saying that said operations can be repeated several times, so that the same element (6) can take several meshes (3) in succession. After the meshes (3) thus removed can be directed to successive shapings. In this way, it is possible, for example, to take off the terminal meshes (3) of two or more manufactured products, or of one or more parts of manufactured products, to transfer them to a re-stitching machine and to assemble them, or to transfer them to another textile machine to continue the knitting using the latter.

Conformément à l'invention il est possible réaliser le traitement sur-mentionné d'un quelconque nombre de mailles (3) du produit manufacturé, selon les caracteristiques élastiques et dimensionnelles des mailles (3). Dans le cas de prélèvement de toutes les mailles on obtient le prélèvement et le transfert du produit manufacturé entier. Les mailles (3) peuvent être ainsi prélèvées et transférées même par groupes, chaque groupe comprendant un nombre prédéterminé de mailles (3). Avantageusement, conformément à l'invention, il est prevu d'opérer l'éloignement de la maille (3) de ladite aiguille (1) en opérant avant la retenue de la maille (3) en position fixe et prédéterminée sur lesdits moyens (6), pour en empêcher la libération spontanée.In accordance with the invention it is possible to carry out the above-mentioned treatment of any number of meshes (3) of the manufactured product, according to the elastic and dimensional characteristics of the meshes (3). In the case of removal of all meshes, the removal and transfer of the entire manufactured product is obtained. The meshes (3) can thus be removed and transferred even in groups, each group comprising a predetermined number of meshes (3). Advantageously, in accordance with the invention, it is planned to operate the removal of the mesh (3) from said needle (1) by operating before the retention of the mesh (3) in a fixed and predetermined position on said means (6 ), to prevent spontaneous release.

Avantageusement, conformément à l'invention et en référence aux Figg. 8 et 9 des dessins annexés, successivemnt à ladite phase (e) d'éloignement de la maille (3) de l'aiguille correspondante (1) il est prevu d'opérer les suivantes autres phases opérationnelles:

  • mouvementer lesdits moyens (6) de manière à placer la maille (3) au-dessus de la tête d'une aiguille (10) différente de celle du départ (1). Ladite aiguille (10) peut être, par exemple, du type à clapet, à coulisse ou à bec;
  • libérer la maille (3) desdits moyens (6) et l'investir sur le cou de l'aiguille (10).
Advantageously, in accordance with the invention and with reference to Figg. 8 and 9 of the appended drawings, successively to said phase (e) of removal of the mesh (3) from the corresponding needle (1) it is planned to operate the following other operational phases:
  • moving said means (6) so as to place the stitch (3) above the head of a needle (10) different from that of the start (1). Said needle (10) can be, for example, of the valve, slide or beak type;
  • release the stitch (3) from said means (6) and invest it on the neck of the needle (10).

Avantageusement, conformément à l'invention et en référence aux Figg. 9 et 10 des dessins annexés, successivement à ladite phase (e) d'éloignement de la maille (3) de l'aiguille (1), il est prevu de déposer la maille (3) sur une pointe de remaillage (11), par exemple pour le finissage des mailles terminales du produit manufacturé, ou pour l'union de deux ou plusieurs parties de produits manufacturés tricotés, ou moyen du remaillage.Advantageously, in accordance with the invention and with reference to Figg. 9 and 10 of the appended drawings, successively to said phase (e) of moving the mesh (3) away from the needle (1), it is planned to deposit the mesh (3) on a remeshing point (11), for example for the finishing of the final stitches of the manufactured product, or for the union of two or more parts of knitted manufactured products, or by means of remeshing.

Pour ce qu'il concerne le dispositif pour la réalisation dudit procédé opérationnel, il comprend des moyens à came, en soi déjà connus, pour le mouvement desdites aiguilles (1), et en outre comprend des moyens pour le prélèvement et le transfert desdites mailles (3), une par une, avec un élément (6) fondamentalement plat, appellés "poinçon", pour chaque maille (3) à prélèver et transférer, lequel est inférieurement pourvu d'une gorge (60) avec une concavité fondamentallement retournée vers la tête d'une aiguille (1) chargée de la maille (3) pour en permettre l'etroit approchement au crochet de l'aiguille (1) correspondante de manière à réaliser la couverture de l'aiguille (1) et de l'élément (6) par la fermeture du clapet (5): ledit poinçon (6) étant opportunement supporté par un organe (61) auquel est lié de manière à resulter fixe ou autrement longitudinalement coulissant par rappot à celui-ci. Avantageusement, conformément à l'invention, chacun des poinçons (6) est pourvu d'un tallon (64) asservis à un organ extérieur de commande pour en activer le mouvement, comme par exemple une came (63) ou une barre de commande (65) pour obtenir le mouvement des poinçons (6) en sequence ou tous ensemble. Le mouvement vers le bas du poinçon (6) peut être exploité pour obtenir l'abbaissement correspondant de la respective aiguille (1) après le contact entre le poinçon (6) et l'aiguille (1). Chaque poinçon (6) peut être pourvu d'un quelconque organe d'interface du poinçon avec un organe de commande correspondant.As regards the device for carrying out said operational process, it comprises cam means, per se already known, for the movement of said needles (1), and further comprises means for the removal and transfer of said meshes (3), one by one, with a fundamentally flat element (6), called "punch", for each mesh (3) to be sampled and transferred, which is below provided with a groove (60) with a concavity fundamentally turned towards the head of a needle (1) loaded with the mesh (3) to allow the narrow approach to the hook of the needle (1) corresponding so as to achieve the cover of the needle (1) and the element (6) by closing the valve (5): said punch (6) being expediently supported by a member (61) to which it is connected so as to result in fixed or otherwise longitudinally sliding action against it. Advantageously, in accordance with the invention, each of the punches (6) is provided with a heel (64) slaved to an external control organ for activate the movement, such as a cam (63) or a control bar (65) to obtain the movement of the punches (6) in sequence or all together. The downward movement of the punch (6) can be exploited to obtain the corresponding lowering of the respective needle (1) after contact between the punch (6) and the needle (1). Each punch (6) can be provided with any member for interfacing the punch with a corresponding control member.

Avantageusement, conformément à l'invention, la distance entre deux poinçons (6) adjacents est égale au pas ou entraxe entre lesdites aiguilles (1) ou un multiple dudit pas.
Lesdits poinçons (6) sont tous de la même longuer ou d'une longuer différente, en relation au type de traitement des mailles (3) à executer. Plus precisement, en référence aux figures 15A et 15B des dessins annexés, si destinés à executer le prélèvement simultané de toutes les mailles (3) du produit manufacturé, lesdits poinçons (6) sont tous de la même longuer, de manière que les respectives extrémitées libres (7), c'est-à-dire celles destinées à l'accouplement de couverture avec les respectives aiguilles (1), resultent toujour à un même niveau par rapport au plan d'abattage (4) de la machine. Si destinés à ne pas opérer le prélèvement simultané des mailles (3) adjacentes, les poinçons (6) adjacents entre eux sont d'une longuer différente, de manière que l'extrémitées libres (7) des poinçons (6) opérants le prélèvement des mailles (3) resultent à un niveau différent, par rapport au plan d'abattage (4) de la machine, de celle des autres poinçons (6) du groupe. Ce-ci permet d'éviter un'eccessive dilatation des mailles (3) ainsi traitées.Advantageously, according to the invention, the distance between two adjacent punches (6) is equal to the pitch or center distance between said needles (1) or a multiple of said pitch.
Said punches (6) are all of the same length or of a different length, in relation to the type of processing of the meshes (3) to be executed. More precisely, with reference to FIGS. 15A and 15B of the appended drawings, if intended to carry out the simultaneous removal of all the meshes (3) of the manufactured product, said punches (6) are all of the same length, so that the respective ends free (7), that is to say those intended for the coupling of cover with the respective needles (1), always result at the same level with respect to the felling plane (4) of the machine. If intended not to operate the simultaneous removal of the meshes (3) adjacent, the punches (6) adjacent to each other are of a different length, so that the free ends (7) of the punches (6) operating the removal meshes (3) result at a different level, compared to the felling plane (4) of the machine, from that of the other punches (6) of the group. This avoids an'eccessive expansion of the meshes (3) thus treated.

Selon une première forme de réalisation de l'invention, lesdits poinçons (6) sont fixes au support (61). Dans ce cas, le mouvement des poinçons (6) est obtenu avec le mouvement correspondant du support (61), lequel est actionable, à son tour, au moyen de cylindres réalisateurs et guidé sur des railles correspondantes ou du même genre.
Conformément à une deuxième forme de réalisation de l'invention, lesdits poinçons (6) sont logés un par un dans des gorges correspondantes fondalmentelement rectilignes (62) du support (61), de manière à en permettre le mouvement bidirectional dans la respective direction longitudinale par rapport au support (61). Dans ce cas, le mouvement des poinçons (6) par rapport au support (61) est obtenible avec des moyens à came (63) ou avec une barre de commande (65), agissants sur les relatifs tallons (64) ou organes equivalents, selon qu'on veuille réaliser le mouvement des poinçons (6) un par un, en sequence, ou leur translation simultanée de et vers la tête textile de la machine. De toutes les manières, lesdites gorges (62) peuvent avoir forme et dévelloppement différents de ces illustrés dans les figures des dessins annexés.According to a first embodiment of the invention, said punches (6) are fixed to the support (61). In this case, the movement of the punches (6) is obtained with the corresponding movement of the support (61), which is actionable, in turn, by means of producing cylinders and guided on corresponding or similar rails.
According to a second embodiment of the invention, said punches (6) are housed one by one in corresponding fundamentally rectilinear grooves (62) of the support (61), so as to allow bidirectional movement in the respective longitudinal direction relative to the support (61). In this case, the movement of the punches (6) relative to the support (61) is obtainable with cam means (63) or with a control bar (65), acting on the relative heels (64) or equivalent bodies, according to whether one wishes to carry out the movement of the punches (6) one by one, in sequence, or their simultaneous translation from and to the textile head of the machine. In any case, said grooves (62) can have different shape and development from those illustrated in the figures of the accompanying drawings.

Dans le cas des poinçons (6) mobiles par rapport audit support (61), le mouvement des poinçons (6) pour effectuer le prélèvement et le transfert des mailles (3) est réalisable en combinant le mouvement du support (61), pour les déplacements d'amplitude majeure, avec celui des poinçons (6) par rapport au support (61), pour les déplacements d'amplitude mineure. De cette manière il est possible aussi différencier les déplacements relatifs entre les differents poinçons du support et/ou selectioner les poinçons à mouvementer.In the case of the punches (6) movable relative to said support (61), the movement of the punches (6) for carrying out the removal and transfer of the meshes (3) is achievable by combining the movement of the support (61), for the displacements of major amplitude, with that of the punches (6) relative to the support (61), for displacements of minor amplitude. In this way it is also possible to differentiate the relative displacements between the different punches of the support and / or to select the punches to be moved.

Avantageusement, conformément à l'invention, ledit support (61) est subdivisé en plusieurs sections distinctes, chacune desquelles avec un nombre prédéterminés de poinçons (6), de manière à différencier encore plus le mouvement des poinçons (6) du dispositif et ainsi agrandir ultérieurement la gamme des prélèvements de mailles (3) effectuables, au fin d'obtenir un plus grand nombre d'usinages possibles.
Chacun desdits poinçons (6) peut être aussi façonné de manière à presenter une tige avec l'axe incliné par rapport à la portion de l'extrémité antérieure (7), comme illustré dans les Figg. 13 et 14 des dessins annexés.Advantageously, in accordance with the invention, said support (61) is subdivided into several separate sections, each of which with a predetermined number of punches (6), so as to further differentiate the movement of the punches (6) of the device and thus enlarge subsequently the range of mesh withdrawals (3) that can be carried out, in order to obtain a greater number of possible machining operations.
Each of said punches (6) can also be shaped so as to present a rod with the axis inclined relative to the portion of the anterior end (7), as illustrated in Figg. 13 and 14 of the accompanying drawings.

Avantageusement, conformément à l'invention, des moyens sont prevus pour retenir chacune desdites mailles (3) en position fixe et prédéterminée sur le poinçon correspondant (6). Lesdits moyens sont façonnés, selon une première forme de réalisation, par un'évidure (9) laquelle est prevue sur chacun desdits poinçons (6) à une distance prédéterminée de la respective extrémité libre (7) et elle est destinée à retenir la correspondante maille (3) prélèveée par effet de l'elasticité propre de celle-ci. Alternativement, lesdits moyens de retenue de la maille (3) sur le poinçon (6) sont formés d'une lame (8) placée, à commande, inférieurement à la maille (3) investie sur le respectif poinçon (6) de manière à en empêcher la libération spontanée. Ladite lame (8) on peut l'associer à un organe correspondant de commande lequel est constitué, par exemple, d'un pieu (80) déstiné à en provoquer la rotation autour à un pivot (81) de réliement de la lame (8) à un organe correspondant de support (82). La function réalisée par le précité pieu (80) peut autrement être réalisée par une came pivotante autour à un axe parallel à celui du poinçon (6), ou par un cylindre réalisateur, agissants sur la lame (8).
Ce-ci permet d'empêcher au tissu de se désenfiler des poinçons (6) pendant les opérations de transfert des mailles (3).
Sont aussi avantageusement prevus des moyens pour libérer chacune maille (3) du respectif poinçon (6). Lesdits moyens de libération de la maille (3) sont constitués, selon une première forme de réalisation, par un élément plat (13) agissant sur la maille (3) investie sur le poinçon (6), de manière à en provoquer le mouvement à poussée, vers l'extrémité libre du poinçon (6), et ainsi le transfert à l'organe textile où elle est destinée, comme par exemple l'aiguille (10) ou la pointe (11) illustrée dans les figures des dessins annexés. En alternative, pour permettre la libération de la maille (3) retenue par l'évidure (9) du respectif poinçon (6), il est prevu un pieu (12) pivotant autour à un pivot (92) de réliement du pieu (12) au poinçon (6) de manière à permettre, à commande, la couverture de l'évidure (9) qui se départ du pieu (12) et ainsi la libération de la maille (3) de l'évidure (9) ledit pieu (12) étant actionable avec des moyens à came (90) agissants latéralement sur l'extrémité libre supérieure (91) du pieu (12) quand le poinçon (6) est mouvementé dans la respective direction longitudinale, de manière à réaliser la couverture de l'évidure (9) avec le soulevement du poiçon (6) dù à la réaction exercée par l'organe textile - par exemple la précitée aiguille (10) - sur lequel est appuié et, respectivement, le découvrement de l'évidure (9) avec l'abbaissement du poinçon (6) dans la phase de prédisposition du même au prélèvement de la respective maille (3). Dans une autre solution alternative, comme illustré dans les Figg. 13 et 14 des dessins annexés, lesdits moyens de libération de la maille (3) sont constitués par un pieu à axe fondamentalement rectiligne (14) dans l'extrémité libre est destiné à glisser adjacente à la correspondante extrémité du poinçon (6), laquelle est opportunement façonnée avec une rainure rectiligne (96) pour permettre l'approchement du pieu (14) de manière à réaliser la couverture, respectivement le découvrement, de la respective évidure (9) et en maniére à s'insérer à l'intérieur de la maille (3) en la dilatant, ainsi d'en permettre le déchargement.
Avantageusement, conformément à l'invention, l'extrémité libre dudit pieu (14) est cunéiforme et pliée latéralement de manière à resulter orientée vers le poinçon (6).Advantageously, in accordance with the invention, means are provided for retaining each of said meshes (3) in a fixed and predetermined position on the corresponding punch (6). Said means are shaped, according to a first embodiment, by a recess (9) which is provided on each of said punches (6) at a predetermined distance from the respective free end (7) and it is intended to retain the corresponding mesh (3) removed by the effect of the inherent elasticity of this one. Alternatively, said means for retaining the mesh (3) on the punch (6) are formed by a blade (8) placed, on command, below the mesh (3) invested on the respective punch (6) so as to prevent spontaneous release. Said blade (8) can be associated with a corresponding control member which consists, for example, of a pile (80) intended to cause rotation thereof around a pivot (81) for connecting the blade (8 ) to a corresponding support member (82). The function performed by the aforementioned pile (80) can otherwise be performed by a cam pivoting about an axis parallel to that of the punch (6), or by a realizing cylinder, acting on the blade (8).
This makes it possible to prevent the fabric from slipping out of the punches (6) during the mesh transfer operations (3).
Means are also advantageously provided for releasing each mesh (3) from the respective punch (6). Said mesh release means (3) consist, according to a first embodiment, by a flat element (13) acting on the mesh (3) invested on the punch (6), so as to cause the movement thereof. pushed towards the free end of the punch (6), and thus the transfer to the textile member where it is intended, such as for example the needle (10) or the tip (11) illustrated in the figures of the appended drawings. Alternatively, to allow the mesh (3) retained by the recess (9) of the respective punch (6) to be released, a pile (12) pivoting around a pivot (92) for connecting the pile (12) is provided. ) with the punch (6) so as to allow, on command, the cover of the recess (9) which departs from the pile (12) and thus the release of the mesh (3) of the recess (9) said pile (12) being operable with cam means (90) acting laterally on the upper free end (91) of the pile (12) when the punch (6) is moved in the respective longitudinal direction, so as to provide the cover for the recess (9) with the lifting of the punch (6) due to the reaction exerted by the textile member - for example the aforementioned needle (10) - on which is supported and, respectively, the uncovering of the recess (9 ) with the lowering of the punch (6) in the predisposition phase of the same to the removal of the respective mesh (3). In another alternative solution, as illustrated in Figg. 13 and 14 of the accompanying drawings, said mesh release means (3) consist of a pile with a basically straight axis (14) in the free end is intended to slide adjacent to the corresponding end of the punch (6), which is conveniently shaped with a rectilinear groove (96) to allow the approach of the pile (14) so as to provide the covering, respectively the uncovering, of the respective recess (9) and so as to be inserted inside the mesh (3) by expanding it, thus allowing unloading.
Advantageously, in accordance with the invention, the free end of said pile (14) is wedge-shaped and folded laterally so as to result oriented towards the punch (6).

Claims (26)

1) Procédé pour le prélèvement d'une ou plusieurs mailles d'un produit manufacturé par des aiguille d tricotage d'une machine textile et pour leur transfert et dépôt sur d'autres organes textiles, de la même ou d'une autre machine, comprenant la phase préliminaire de fabriquer un produit manufacturé tricoté avec une machine pourvue de plusieurs aiguilles de tricotage (1) du type à clapet et d'un plan d'abattage (4) des mailles (3), caractérisé en ce que comporte, pour chaque maille (3) du produit manufacturé à prélèver et transférer, les suivantes phases opérationnelles: (a) soulever l'aiguille (1) de tricotage qui supporte la maille (3), avec les platines (2) avancées, et fermées, de manière à placer la maille (3) en position de déchargé inférieurement au clapet (5) ouvert de l'aiguille (1); (b) abaisser ladite aiguille (1), de manière à obliger la maille (3) à se placer sur le plan d'abattage (4), lequel est délimité dans ce cas par les platines (2) et, avec une autre déscente de l'aiguille (1), obliger la maille (3) à bouger sur le cou de l'aiguille (1) en se plaçant en proximité de la charnière du respectif clapet (5); (c) abaisser encore ladite aiguille (1), de manière à provoquer la fermeture du respectif clapet (5) ou l'actionnement de la coulisse et, avant la complète fermeture du clapet (5) ou l'actionnement de la coulisse, rapprocher un élément (6) de prélèvement de la maille à la tête de l'aiguille (1) jusqu'à son contact avec celle-ci, de manière à réaliser la couverture de l'aiguille (1) et dudit élément (6) avec le clapet ou coulisse (5) ainsi mouvementé; (d) abaisser ultérieurement l'aiguille (1) et ledit élément (6), de manière à insérer cette dernière à l'intérieur de la maille (3), et ainsi en obtenir le transfet automatique de l'aiguille (1) sur l'élément (6); (e) transférer ailleur la maille (3) ainsi prélèvée, de manière à permettre le successif dépôt sur des organe textiles de la même ou autre machine. 1) Process for the removal of one or more stitches from a manufactured product by knitting needles of a textile machine and for their transfer and deposit on other textile organs, of the same or of another machine, comprising the preliminary phase of manufacturing a knitted manufactured product with a machine provided with several knitting needles (1) of the flapper type and a knockdown plan (4) of the stitches (3), characterized in that, for each mesh (3) of the manufactured product to be sampled and transferred, the following operational phases: (a) raise the knitting needle (1) which supports the mesh (3), with the plates (2) advanced, and closed, so as to place the mesh (3) in the unloaded position below the valve (5) open needle (1); (b) lower said needle (1), so as to force the mesh (3) to be placed on the felling plane (4), which is in this case delimited by the plates (2) and, with another descent of the needle (1), force the stitch (3) to move on the neck of the needle (1) by placing itself near the hinge of the respective valve (5); (c) further lower said needle (1) so as to cause the closure of the respective valve (5) or the actuation of the slide and, before the complete closure of the valve (5) or actuation of the slide, bring together an element (6) for removing the mesh from the head from the needle (1) to its contact with the latter, so as to cover the needle (1) and said element (6) with the valve or slide (5) thus moved; (d) subsequently lower the needle (1) and said element (6), so as to insert the latter inside the mesh (3), and thus obtain the automatic transfer of the needle (1) to the element (6); (e) elsewhere transfer the mesh (3) thus removed, so as to allow successive deposition on textile members of the same or other machine. 2) Procédé selon la revendication 1 caractérisé en ce que comporte d'opérer l'éloignement de la maille (3) de ladite aiguille (1) en opérant avant la retenue de la maille (3) en position fixe et prédéterminée sur lesdits moyens (6), pour en empêcher la libération spontanée. 2) Method according to claim 1 characterized in that comprises operating the removal of the mesh (3) from said needle (1) by operating before retaining the mesh (3) in a fixed and predetermined position on said means ( 6), to prevent spontaneous release. 3) Procédé selon la revendication 1 caractérisé en ce que successivemnt à ladite phase (e) d'éloignement de la maille (3) de l'aiguille correspondante (1) il est prevu d'opérer les suivantes autres phases opérationnelles:
- mouvementer lesdits moyens (6) de manière à placer la maille (3) au-dessus de la tête d'une aiguille (10) différente de celle du départ (1); - libérer la maille (3) desdits moyens (6) et l'investir sur le cou de l'aiguille (10). 3) Method according to claim 1 characterized in that successive to said phase (e) of removal of the mesh (3) from the corresponding needle (1) it is planned to operate the following other operational phases:
- moving said means (6) so as to place the stitch (3) above the head of a needle (10) different from that of the start (1); - Release the stitch (3) from said means (6) and invest it on the neck of the needle (10). 4) Procédé selon la revendication 1 caractérisé en ce que successivement à ladite phase (e) d'éloignement de la maille (3) de l'aiguille (1), il est prevu de déposer la maille (3) sur une pointe de remaillage (11). 4) Method according to claim 1 characterized in that successively in said phase (e) of removal of the mesh (3) from the needle (1), it is planned to deposit the mesh (3) on a remeshing point (11). 5) Procédé selon la revendication 1 caractérisé en ce que comporte de prélèver plusieurs mailles (3) en succession avec un même élément (6). 5) Method according to claim 1 characterized in that comprises removing several meshes (3) in succession with the same element (6). 6) Procédé selon la revendication 1 caractérisé en ce que pendant ladite phase (c) l'abaissement de ladite aiguille (1) est obtenu par effet d'une action de poussée exércée par ledit élément (6). 6) Method according to claim 1 characterized in that during said phase (c) the lowering of said needle (1) is obtained by the effect of a pushing action exerted by said element (6). 7) Disposistif de prélèvement d'une ou plusieurs mailles d'un produit manufacturé des aiguilles de tricotage d'une machine textile et pour leur tranfert et dépôt sur d'autres organes textiles, de la même ou autre machine, dans une machine pourvue de plusieurs aiguilles de tricotage (1) du type à clapet ou à coulisse et d'un plan d'abattage (4) des mailles (3), selon le procédé le procèdé decrit dans une ou plusieurs des revendications 1 à 6 caractérisé en ce que comprend des moyens pour le prélèvement et le transfert desdites mailles (3), une par une, avec un élément (6) fondamentalement plat ou poinçon, pour chaque maille (3) à prélèver et transférer, lequel est inférieurement pourvu d'une gorge (60) avec la concavité fondamentallement retournée vers la tête d'une aiguille (1) chargée de la maille (3) pour en permettre l'approchement etroit au crochet de l'aiguille (1) correspondante de manière à réaliser la couverture de l'aiguille (1) et de l'élément (6) par la fermeture du clapet ou coulisse (5): ledit poinçon (6) étant opportunement supporté par un organe (61) auquel est lié de manière à resulter fixe ou autrement longitudinalement coulissant par rappot à celui-ci. 7) Device for removing one or more stitches of a manufactured product from knitting needles of a textile machine and for their transfer and deposit on other textile organs, of the same or other machine, in a machine provided with several knitting needles (1) of the flap or sliding type and of a felling plan (4) of the stitches (3), according to the method the process described in one or more of claims 1 to 6 characterized in that comprises means for removing and transferring said meshes (3), one by one, with a fundamentally flat element (6) or punch, for each mesh (3) to be taken and transferred, which is provided with a groove ( 60) with the concavity fundamentally turned towards the head of a needle (1) loaded with the mesh (3) to allow the narrow approach to the hook of the needle (1) corresponding so as to achieve the cover of the needle (1) and element t (6) by closing the valve or slide (5): said punch (6) being expediently supported by a member (61) to which it is linked so as to result fixed or otherwise longitudinally sliding in relation to it. 8) Dispositif selon la revendication 7 caractérisé en ce que chacun des poinçons (6) est pourvu d'un tallon (64) asservi à un organ extérieur (63,65) de commande pour en obtenir le mouvement bidirectional selon le respectif axe longitudinal. 8) Device according to claim 7 characterized in that each of the punches (6) is provided with a heel (64) slaved to an external organ (63,65) control to obtain the bidirectional movement along the respective longitudinal axis. 9) Dispositif selon la revendication 7 caractérisé en ce que la distance entre deux poinçons (6) adjacents est égale au pas ou entraxe entre lesdites aiguilles (1) ou un multiple dudit pas. 9) Device according to claim 7 characterized in that the distance between two adjacent punches (6) is equal to the pitch or center distance between said needles (1) or a multiple of said pitch. 10) Dispositif selon la revendication 7 caractérisé en ce que lesdits poinçons (6) sont tous de la même ou d'une différente longuer. 10) Device according to claim 7 characterized in that said punches (6) are all of the same or a different length. 11) Dispositif selon la revendication 7 caractérisé en ce que lesdits poinçons (6) sont fixés à un organe (61) et en ce que ledit organe (61) est asservi à des moyens de mouvement correspondants. 11) Device according to claim 7 characterized in that said punches (6) are fixed to a member (61) and in that said member (61) is controlled by corresponding movement means. 12) Dispsositif selon la revendication 7 caractérisé en ce que lesdits poinçons (6) sont 20 logés un par un dans des gorges (62) correspondantes du support (61), de manière à en permettre le mouvement bidirectional dans la respective direction longitudinale par rapport au support (61). 12) Device according to claim 7 characterized in that said punches (6) are housed one by one in corresponding grooves (62) of the support (61), so as to allow bidirectional movement in the respective longitudinal direction relative to the support (61). 13) Dispositif selon les revendications 7 et 12 caractérisé en ce que comprend des moyens pour le mouvement desdits poinçons (6) par rapport au support (61), avec une came (63) ou avec une barre de commande (65), agissants sur les relatifs tallons (64). 13) Device according to claims 7 and 12 characterized in that comprises means for the movement of said punches (6) relative to the support (61), with a cam (63) or with a control bar (65), acting on the relative tallons (64). 14) Dispositif selon la revendication 7 caractérisé en ce que ledit support (61) est subdivisé en plusieurs sections distinctes, chacune desquelles avec un nombre prédéterminé de poinçons (6). 14) Device according to claim 7 characterized in that said support (61) is subdivided into several separate sections, each of which with a predetermined number of punches (6). 15) Procédé selon la revendication 7 caractérisé en ce que chacun desdits poinçons (6) est façonné de manière à presenter une tige avec l'axe incliné par rapport à la portion de l'extrémité antérieure (7). 15) Method according to claim 7 characterized in that each of said punches (6) is shaped so as to present a rod with the axis inclined relative to the portion of the front end (7). 16) Dispositif selon la revendication 7 caractérisé en ce que comprend des moyens pour retenir chacune desdites mailles (3) en position fixe et prédéterminée sur le poinçon correspondant (6). 16) Device according to claim 7 characterized in that comprises means for retaining each of said meshes (3) in a fixed and predetermined position on the corresponding punch (6). 17) Dispositif selon les revendications 7 et 16 caractérisé en ce que lesdits moyens pour retenir la maille (3) sont façonnés par un'évidure (9) laquelle est prevue sur chacun desdits poinçon (6) à une distance prédéterminée de la respective extrémité libre (7) et elle est destinée à retenir la maille (3) correspondante prélèveée par effet de l'elasticité propre de celle-ci. 17) Device according to claims 7 and 16 characterized in that said means for retaining the mesh (3) are shaped by a recess (9) which is provided on each of said punch (6) at a predetermined distance from the respective free end (7) and it is intended to retain the corresponding mesh (3) removed by the effect of its own elasticity. 18) Dispositif selon les revendications 7 et 16 20 caractérisé en ce que lesdits moyens de retenue de la maille (3) sur le poinçon (6) sont formés d'une lame (8) placée, à commande, inférieurement à la maille (3) investie sur le respectif poinçon (6) de manière à en empêcher la libération spontanée. 18) Device according to claims 7 and 16 20 characterized in that said means for retaining the mesh (3) on the punch (6) are formed by a blade (8) placed, to order, below the mesh (3 ) invested in the respective punch (6) so as to prevent spontaneous release. 19) Dispsositif selon la revendication 18 caractérisé en ce que ladite lame (8) est associable à un organe correspondant de commande lequel est constitué d'un pieu (80) déstiné à en provoquer la rotation autour à un pivot (81) de 30 réliement de la lame (8) à un organe correspondant de support (82). 19) Device according to claim 18 characterized in that said blade (8) can be associated with a corresponding control member which consists of a stake (80) intended to cause rotation around a pivot (81) of 30 connection from the blade (8) to a corresponding support member (82). 20) Dispositif selon la revendication 19 caractérisé en ce que au lieu dudit pieu (80) comprend une came pivotante aoutour à un axe parallel à celui du pieu (6) agissant sur la lame (8). 20) Device according to claim 19 characterized in that instead of said pile (80) comprises a pivoting cam around an axis parallel to that of the pile (6) acting on the blade (8). 21) Dispositif selon la revendication 19 caractérisé en ce que au lieu dudit pieu (80) comprend un cylindre réalisateur agissant sur la lame (8). 21) Device according to claim 19 characterized in that instead of said pile (80) comprises a producer cylinder acting on the blade (8). 22) Dispositif selon la revendication 7 caractérisé en ce que comprend des moyens pour libérer chacune maille (3) du respectif poinçon (6). 22) Device according to claim 7 characterized in that comprises means for releasing each mesh (3) of the respective punch (6). 23) Dispositif selon les revendications 7 et 22 caractérisé en ce que lesdits moyens de libération de la maille (3) sont constitués par un élément 15 (13) agissant sur la maille (3) investie sur le poinçon (6), de manière à en provoquer le mouvement à poussée, vers l'extrémité libre du poinçon (6), et ainsi le transfert à l'organe textile où elle est destinée. 23) Device according to claims 7 and 22 characterized in that said means for releasing the mesh (3) are constituted by an element 15 (13) acting on the mesh (3) invested on the punch (6), so as to to cause the pushing movement towards the free end of the punch (6), and thus the transfer to the textile member where it is intended. 24) Dispositif selon les revendication 7 et 22 caractérisé en ce que lesdits moyens de libération de la maille (3) comprennent un pieu (12) pivotant autour à un pivot (92) de réliement du pieu (12) au poinçon (6) de manière à permettre, à commande, la couverture de l'évidure (9) par le pieu (12) et ainsi la libération de la maille (3) de l'évidure (9): ledit pieu (12) étant actionable avec des moyens à came (90) agissants latéralement sur l'extrémité libre supérieure (91) du pieu (12) 30 quand le poinçon (6) est mouvementé dans la respective direction longitudinale, de manière à réaliser la couverture de l'évidure (9) avec le soulevement du poiçon (6) dù à la réaction exercée par l'organe textile (10) sur lequel est appuié et, respectivement, le découvrement de l'évidure (9) avec l'abbaissement du poinçon (6) dans la phase de prédisposition du même au prélèvement de la respective maille (3). 24) Device according to claims 7 and 22 characterized in that said mesh release means (3) comprise a stake (12) pivoting around a pivot (92) connecting the stake (12) to the punch (6) of so as to allow, on command, the cover of the recess (9) by the pile (12) and thus the release of the mesh (3) of the recess (9): said pile (12) being actionable with means with cam (90) acting laterally on the upper free end (91) of the pile (12) 30 when the punch (6) is moved in the respective longitudinal direction, so as to cover the recess (9) with the lifting of the punch (6) due to the reaction exerted by the textile member (10) on which is supported and, respectively, the uncovering of the recess (9) with the 'lowering the punch (6) in the predisposition phase of the same to the removal of the respective mesh (3). 25) Dispositif selon les revendications 7 et 22 caractérisè en ce que lesdits moyens de libération de la maille (3) sont constitués par un pieu à axe fondamentalement rectiligne (14) dant l'extrémité libre est destiné à glisser adjacente à l'extrémité correspondante du poinçon (6), laquelle est opportunement façonnée avec une rainure rectiligne (96) pour permettre l'approchement du pieu (14) de manière à réaliser la couverture, respectivement le découvrement, de la respective évidure (9) et en manière de s'insérer à l'intérieur de la maille (3) en la dilatant, ainsi d'en permettre le déchargement. 25) Device according to claims 7 and 22 characterized in that said mesh release means (3) consist of a pile with a basically straight axis (14) in which the free end is intended to slide adjacent to the corresponding end of the punch (6), which is conveniently shaped with a rectilinear groove (96) to allow the approach of the pile (14) so as to provide the cover, respectively the uncovering, of the respective recess (9) and in a manner of s 'insert inside the mesh (3) by expanding it, thus allowing unloading. 26) Dispositif selon la revendication caractérisé en ce que l'extrémité libre dudit pieu (14) est cuneiforme et pliée latéralement de manière à resulter orientée vers le poinçon (6). 26) Device according to claim characterized in that the free end of said pile (14) is wedge-shaped and folded laterally so as to result oriented towards the punch (6).
EP95830327A 1994-09-07 1995-07-27 Method and device for treating stitches of textile products Expired - Lifetime EP0701017B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITFI940170A IT1269399B (en) 1994-09-07 1994-09-07 METHOD AND DEVICE FOR THE TREATMENT OF TEXTILE MANUFACTURED SHIRTS
ITFI940170 1994-09-07

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EP0701017A1 true EP0701017A1 (en) 1996-03-13
EP0701017B1 EP0701017B1 (en) 1999-02-03

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EP (1) EP0701017B1 (en)
AT (1) ATE176506T1 (en)
DE (1) DE69507673T2 (en)
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ITFI980040A1 (en) * 1998-02-20 1999-08-20 Fabritex Srl DEVICE FOR HANDLING KNITWEAR OF TEXTILE ARTICLES.
TWI448595B (en) * 2010-04-06 2014-08-11 Da Kong Entpr Co Ltd Sock body delivery device and method thereof
US8443633B1 (en) * 2012-09-05 2013-05-21 Da Kong Enterprise Co., Ltd. Apparatus and method for transferring loops from the knitting machine needle
TWI509121B (en) * 2013-11-15 2015-11-21 Da Kong Entpr Co Ltd Socks sewing device
TWI539050B (en) * 2013-11-15 2016-06-21 Da Kong Entpr Co Ltd Sewing sock machine needle plate

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IT1259688B (en) * 1992-10-09 1996-03-25 Conti Florentia Srl METHOD AND DEVICE TO CARRY OUT THE COMBINATION OF TWO SIDES OF A TUBULAR KNIT FABRIC MANUFACTURE AT THE END OF ITS TRAINING

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US1542593A (en) * 1923-02-23 1925-06-16 Louis N D Williams Device for transferring knitted webs
EP0594169A1 (en) * 1992-10-22 1994-04-27 Shima Seiki Mfg., Ltd. A flat knitting machine having a transferring mechanism

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ATE176506T1 (en) 1999-02-15
IT1269399B (en) 1997-04-01
DE69507673T2 (en) 1999-09-30
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EP0701017B1 (en) 1999-02-03
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ES2130559T3 (en) 1999-07-01
ITFI940170A1 (en) 1996-03-07

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