EP2122024A1 - Dispositif de positionnement des fils à l'intérieur de la largeur de bande d'une section d'ourdissage et procédé d'ourdissage - Google Patents

Dispositif de positionnement des fils à l'intérieur de la largeur de bande d'une section d'ourdissage et procédé d'ourdissage

Info

Publication number
EP2122024A1
EP2122024A1 EP08708191A EP08708191A EP2122024A1 EP 2122024 A1 EP2122024 A1 EP 2122024A1 EP 08708191 A EP08708191 A EP 08708191A EP 08708191 A EP08708191 A EP 08708191A EP 2122024 A1 EP2122024 A1 EP 2122024A1
Authority
EP
European Patent Office
Prior art keywords
thread
threads
warping
pattern
guide elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08708191A
Other languages
German (de)
English (en)
Other versions
EP2122024B1 (fr
Inventor
Marco Brogi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Karl Mayer Textilmaschinenfabrik GmbH
Original Assignee
BROMAS Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BROMAS Srl filed Critical BROMAS Srl
Publication of EP2122024A1 publication Critical patent/EP2122024A1/fr
Application granted granted Critical
Publication of EP2122024B1 publication Critical patent/EP2122024B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H11/00—Methods or apparatus not provided for in the preceding groups, e.g. for cleaning the warp
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/16—Guides for filamentary materials; Supports therefor formed to maintain a plurality of filaments in spaced relation
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H3/00—Warping machines
    • D02H3/02—Sectional warpers
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H3/00—Warping machines
    • D02H3/04—Sample warpers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires

Definitions

  • the invention relates to a device for positioning the threads within the bandwidth of a warp strip according to the preamble of claim 1.
  • the correct thread order and thread density are determined by the warping blade in conventional warping machines.
  • Corresponding methods and devices have already become known, for example, from EP 1 524 341 or WO 2006/051080.
  • a plurality of thread guide elements is provided, through which at least one of a thread supply, for example, in a creel withdrawn and guided to the warping drum thread can be passed.
  • the thread guide elements are movably mounted on mutually parallel planes of movement or movement axes and can be positioned relative to one another such that the sequence of the withdrawn threads or the groups of threads on the warp strip can be determined by the position of the thread guide elements.
  • the movement levels or movement tion axes of the thread guide elements lie in relation to a vertical direction one above the other. Evidently, it is thus possible to determine the position of the individual threads by moving the thread guide elements crossing without reference to a horizontal direction or plane.
  • the thread guide elements are advantageously mounted linearly displaceable. This allows a relatively narrow construction with a very precise control of the thread guide elements.
  • the thread guide elements can lie on a common bearing plane, which intersects the individual planes of movement or which runs through the parallel axes of movement.
  • the storage level is arranged approximately parallel to the warping drum, either vertically or slightly inclined to the vertical.
  • the thread guide elements are preferably rotatably mounted about a common axis of rotation.
  • a non-circular curved path of the thread guide elements would be conceivable.
  • the thread guide elements may for example be formed by discs, each of which is provided at least one thread guide channel with an inlet opening and with an outlet opening on the outer circumference of the disc. By turning the disk can be seen, the relative position of the outlet opening and thus the position of the exiting yarn can be changed.
  • the thread guide elements can be formed by rods, each of which is mounted in a linear guide and has at least one guide opening or a guide gap for at least one thread.
  • the term rod is to be understood in this context, any elongate element, ie, for example, a flat blade or the like.
  • the thread guide elements can also be formed by guide pieces, each of which is mounted in a guide rail and which have at least one guide opening or a guide gap. Compared to the rods, this solution has the advantage that no laterally projecting rod ends arise and that virtually the entire length of the guide rails is available for positioning.
  • the guide rails can be held in a common frame.
  • the thread guide elements must of course be motor driven and very precisely controlled. This is advantageously achieved in that each thread guide element is in operative connection with a separate traction mechanism and can be driven via this in two directions of movement.
  • the traction mechanism makes it possible to move the drive units away from the actual warp sheet, whereby the traction means can easily be deflected. In addition, only very small masses must be accelerated or decelerated with the traction mechanism, whereby the performance of the drives can be kept low.
  • a magnetic drive with a similar operating principle as a magnetic rail track.
  • each traction mechanism on a cable on which acts on at least one drive motor preferably a stepper motor. Since the motors can be kept very small, a separate drive for each yarn guide element is readily possible.
  • the cables are preferably guided via deflecting means to a drive unit, to which all drive motors preferably are arranged on at least one common level or on several parallel planes. This makes the drive motors easily accessible for maintenance.
  • Each thread guide element may be associated with a clamping device for clamping detection of a stationary thread. This is necessary because not all threads brought up by the creel are needed for the sharpening process.
  • Each thread guide element may also be associated with a cutting device for cutting a thread.
  • the present invention also relates to an automatic pattern warper with automated multi-thread system.
  • the invention also relates to a method in which said machine is used for automatic warping.
  • the invention relates to a high performance automatic pattern warper which can be used in particular for web preparation.
  • the automatic pattern machines available on the market can in some cases be used for more complex productions. Even if, in this case, the average processing time is too long compared to conventional machines.
  • the first concept envisages winding up a single thread, which is selected from a limited set, generally comprising at least 6 and at most 12 threads.
  • a single thread which is selected from a limited set, generally comprising at least 6 and at most 12 threads.
  • Such a system is powered by a small gate placed on the floor in front of the machine in the axial direction of the drum.
  • Each thread is wound by a system which can be more simply defined as one or more pivot arms, which in this case are arranged in a star-shaped concentric fashion around the head of the drum and cause the thread to be rotated tangentially around the roller.
  • This system has a number of important limitations; this includes the very long production time measured in direct relation to the threads of the warp and their length, as well as a tension on the irregularly wound surface, because the part descending on the roll or drum is much less taut compared to the rising part. This is due to the fact that the ascending wound thread is removed from the gate and thereby more tensioned, while the opposite occurs when descending wound thread.
  • the selection of the threads and their length is determined by a warping program.
  • the threads are not placed directly on the winding surface, but their direction is diverted by a system on it; this raises a number of problems with regard to chain quality and the tightness of the threads in their specified sequence. a defect that is even more important in the processing of particularly electrostatic or smooth yarns such as viscose or silk. Processing is in some cases only possible if major compromises are accepted.
  • Another system known in the art that complements the above-described system provides a set of coils (especially sets of 4 to 16 spools) that are rotated about the roller or drum; in this way, it is possible to score with several threads at the same time, but with the limitation due to the small number of threads (maximum 16), that each time the threads must be held, the one for the tailpick (the order in which the different threads need to be wound up) are required; In this way, production is delayed in proportion to the threads held.
  • the deflection system for the threads used for the peeling process (crossing the threads and being able to set the texture of the warp in advance) requires a rather elaborate preparation, involving pneumatic and electrical devices that are in the preparatory phase of each Must be connected via appropriate connector systems.
  • the transfer phase ie when the warp for the transition to weaving must be performed on a warp beam, this is often due to limited tensile strength no immediate tension possible (tension of the wound on the warp beam threads); therefore, the process must go through an intermediate phase that doubles the transfer time, which is already quite long due to the normally limited performance of the beaming device.
  • a specific object of the present invention is therefore an automatic pattern warper with automated multi-thread system incorporating a pattern sheeter which provides a multi-thread unit (double-thread sheet) in which the threads are arranged in horizontal order independently of the vertical order during the shift not to thread overlays; said multi-thread unit comprises two blade units with numerous teeth; each thread may assume one of the positions of the teeth based on the warping position; the machine according to the invention provides an electronic control unit.
  • said leaf units according to the invention each have 32 teeth.
  • the said multi-thread unit according to the invention preferably provides two transversely displaceable double-forked partial rods and a base plate which is provided with longitudinal slots for the course of the drive cords and with eight bolts; four of them are used alternately to insert the set of spacers and lamellae which form the fixed part of the sheet; the remaining four hold roles that said Slats and spacers are separated, which allow the rotation of the outer part of said rollers.
  • rollers on which run the double-dispensing part bars, profiled.
  • Each sub-rod in turn, according to the invention, independently of the others, is moved over a carbon-fiber-reinforced cord whose two ends are fixed in two channels in the middle part of said sub-rod.
  • each end of the string is passed over a deflector in the lower sipe.
  • each cord of the multi-thread unit is guided by a pulley which is moved by a stepper drive; for the plurality of pulleys and stepper drives two opposing drive plates are provided.
  • said motors may be arranged in a V-shaped configuration.
  • said machine provides a thread holding mechanism; said mechanism provides that each thread is kept independent; the held threads can be attached with a lance device back to the winding roller or warping drum.
  • the threads retrieved from the sub-bar are hooked by a hook at the same time and guided into a groove, whereby a cone is turned forward by rotation inside is brought, which blocks the thread and cuts it off with a cutting profile.
  • said machine according to the invention comprises a loading device for the attachment of the threads, which are marked for reattachment to the winding roller.
  • said loader or lance is located near the right side of the multifilament unit; it is curved and touches the winding roller at one point; said loader rotates at an angle of not more than 180 ° about the winding roller; this makes it possible to attach the pre-marked threads to the winding roller, whereby the jerk in the flying attachment is prevented for them in order to avoid tearing.
  • possibilities for the stabilization of the threads can be provided between the multi-thread unit and the winding roller, in particular a pair of rollers freely rotatable about its own axis and movable in the direction substantially perpendicular to the direction of thread movement.
  • the invention also relates to a method of squeezing in which a machine as described above is used.
  • Figure 1 is a schematic view of a double thread sheet for an automatic warping machine according to the invention
  • Figure 2 is a schematic view of a drive device for an automatic warping machine according to the invention
  • FIG. 3 shows a schematic view of the double thread sheet from FIG. 1 in the warping phase
  • FIG. 4 shows schematically an operating phase of the device according to the invention
  • FIG. 5 shows schematically an element of the automatic warping machine according to the invention
  • FIG. 6 shows schematically the functional principle of the thread holding device of the automatic warper according to the invention
  • FIG. 7 shows schematically a warping drum of a machine with a movable cone
  • Figure 8 the double thread sheet according to the invention in the vicinity of a warping drum
  • FIG. 9 shows a warping drum section with parts of an automatic machine with fixed cross rails and movable cone
  • FIG. 10 shows a perspective view of a warping machine with a device according to the invention.
  • FIG. 11 a perspective view of the sharpening group on the warper according to FIG. 10;
  • Figure 12 is a perspective view of a yarn guide unit formed as a rotatable discs thread guide elements;
  • FIG. 13 is a perspective view of a single disk of the yarn guide unit according to FIG. 12;
  • FIG. 14 shows a perspective view of a thread blocking unit on the sharpening group according to FIG. 11;
  • Figure 15 a highly schematic perspective view of another embodiment with linearly displaceably mounted guide pieces
  • FIG. 16 shows an illustration of the functional principle on the warper blade according to FIG. 15 in the yarn direction
  • FIG. 17 shows the functional principle according to FIG. 16 in perspective view
  • FIG. 18 a detailed perspective view of a single guide piece.
  • Figure 1 shows a double-thread sheet for an automatic warper according to the invention; it consists of two units, each of which can be represented as a leaf with 32 teeth; In it, each thread can immediately take one of the 32 positions according to the Scharan eleven.
  • the double thread sheet consists of 32 double fork-part bars 2, which can move transversely and laterally guided on correspondingly shaped rollers 3 become.
  • the frame of sheet A forms a base plate 4 with the long slots 5 for the drive cords and eight attached bolts 6; four of them are used alternately to insert the set of spacers 7 and louvers 8; they form the solid part of sheet A and are completed with the upper plate 9.
  • the other four serve to insert the set of rollers 3, which are separated from the slats 8 and the spacers, which allow the rotation of the outer part of the roller 3 itself.
  • Each sub-rod 2 is moved independently of the others via a carbon fiber-reinforced cord 19 whose two ends are fixed in two channels in the middle part of the sub-rod 2.
  • Each end of the cord 19 is guided over a deflector 10 in the underlying lamella 8 and through the long slot 5 on the base plate 4.
  • Each partial rod 2 displaces a single warp thread as it moves through the central portion of the rod (guide aperture 15).
  • each cord 19 of the double-threading blade is guided by a pulley 11 which is moved by a stepper drive 12.
  • a stepper drive 12 To recognize are two drive plates 13, which are mounted opposite each other, so that the entire mechanism remains inside between them.
  • Each drive plate 13 accommodates sixteen V-shaped motors (eight on each side); the diversion takes place via a Shim 14. This arrangement was chosen because it optimizes the dimensions of the assembly.
  • the motors 12 are controlled by intelligent drives, which are networked together with a PC-based control unit.
  • the threads are staggered according to a step determined by the number of threads per centimeter of chain and in the order required for the pattern.
  • the double thread sheet A has the configuration shown in Fig. 3; Based on the dimensions of the sheet A, the maximum settable step can be determined, wherein the smallest sharpening step depends on the resolution of the mechanical drive system.
  • Reference numerals 21 and 22 indicate the arrangement of the threads in the vertical order: the threads remain vertically separated from each other and therefore can independently transition into a horizontal order without crossing each other.
  • Another advantage is that, unlike the conventional warping system (with warp blade), the threads are generally inserted with a number of two to fourteen in each tooth of the blade; while there are usually four to eight, which is why twisting or torsion problems lead to spiral thread crossovers that can cause problems in the subsequent weaving phase.
  • the yarns are completely free from the sheet A to the winding point, which could lead to problems in the warping phase due to the static nature of the yarn or to the mechanical effect of the wind produced by the rotation of the warping drum or by the yarn itself becomes. In certain cases, this may or may result in poor chain quality.
  • the solution is that at the point indicated by reference numeral 23, the system includes a device such as that shown schematically in Figure 5.
  • rollers, 24, 25, both rotate freely around their own axis. These rollers are normally closed, as shown in Figure 5; however, before and during the entire reading process they are open, roller 25 in direction 26 and roller 24 in direction 27.
  • the direction of the threads is indicated by the arrow 28.
  • reference numeral 29 which represents the winding surface of the warp, the yarns are rearranged in the horizontal direction, as is already done in sectioning. As a result, an ideal process technology ensures high quality for the process.
  • the machine can be used universally for automatic skinning on an increased scale.
  • Figure 6 shows the functional principle of the thread holding device; the threads, which are retrieved at the position indicated by the reference numeral 30 (position for the exclusion of the yarn from the warping) of the part bar 2 (which represents the double thread A) are hooked simultaneously by hooks 31 and guided in groove 32 that the Device 33, which rotates in the direction 34, inside brings a cone to the front, which blocks the thread, and cuts it with the cutting profile 35.
  • This device 33 can be made different while maintaining the same functionality. With this process, the threads are held until they are reserved to be re-attached to the roll.
  • the part rods 2 of the double-thread A are moved to the attachment position; this position allows a lance known as a "loader” to pick up all the threads, then to synchronize with the roll (technically referred to as “flying cut”) and attach the threads to the roll.
  • the loader is located near the right side of the double-thread A sheet. It is curved, contacts the winding roller at one point and rotates at an angle of not more than 180 ° about the winding roller; this makes it possible to attach the pre-marked threads to the warping drum, preventing them from hitching with the clear aim of avoiding tearing.
  • the sub-rods 2 of the double-thread leaf A have essentially three working positions or ranges: a) warping and erasing rich, b) area for holding the threads, c) area for attaching the threads.
  • Warping drum 40 In the warping process, a continuous movement is required between the position where the threads are fed into the warper (or the position of the gate, the apparatus from which the threads are unwound from the spools) and the position of the warper drum 40
  • Warping drum 40 (see Fig. 7) consists of a conical part 432, on which the threads of the first band are arranged, and a cylindrical part 41, on which gradually accumulate all the following bands with the described movement.
  • This type of movement can be achieved according to a conventional method with a displacement of the entire warping machine in relation to the gate. There is also the possibility to move the cone 42 with all previously arranged on the warping drum 40 thread bands.
  • the warping drum 40 consists of a single unit.
  • the warping drum 40 is completely cylindrical, and the cone
  • the warping drum 40 has raised portions on which belts
  • sixteen high 44 and 45 low crossbars are arranged on the warper drum 40. They are firmly attached in contrast to conventional machines.
  • the conical part 42 has long slots, in which the position of the high crossbars 44 can be regulated.
  • the crossbars are firmly attached, as the corresponding movement between them and the chain is created by the movement of the chain.
  • the double thread sheet A according to the invention can be connected with suitable accessory changes with the above-described two types of warp drum and thereby also take over the function of the scoreboard, as it alone is able to perform the readings, and at the level of the straight line of the odd threads to move (and vice versa).
  • the double thread A acts like a conventional warp sheet, because the yarn is moved in a spiral movement by a predefined forward writing in the direction B, the distance to the winding point of the yarn is kept the same.
  • FIG 9 shows a section of warping drum 40 and parts thereof for an automatic machine with fixed crossbars and movable cone.
  • the system works in much the same way as the system illustrated with reference to Figure 8; the difference is that the part bars are not pulled out; Rather, it is the chain that is taken by the belt 43 and moved in the direction of arrow C.
  • the cone 42 in this case is a part fixedly connected to the belts 43 normally used in monofilament warping machines; the presence of cone 42 in turn constitutes novelty according to the present invention. Said cone 42 moves rearwardly and thus constitutes an important support element for the construction of the chain.
  • the innovative technical solution presented according to the present invention consists of the multi-thread unit A, also referred to as a double-thread sheet, which makes it possible to warp a number of threads, thereby defining their order and the proportion with which they are arranged relative to each other.
  • the horizontal order of arrangement of the threads may be independent of the vertical order in which they are in the "double-thread" A, as threads do not interfere with each other during the translation.
  • the threads can assume a predetermined order but also positions that are variable relative to one another (such as in cases where different yarn numbers or types are sharpened). This operation can be performed without stopping the motor of the winding roller or the warping drum 40.
  • the system provides a thread holding mechanism that makes it possible to keep each thread independent.
  • the held threads can be attached to the warping drum at the beginning of a new winding; this happens through a lance on which the filaments are loaded, the double filament sheet A being moved between the position for separating the filaments and the sharpening position; Thus, with the "loader” the threads are attached, which are marked for re-attaching to the warping drum 40 at this time.
  • An electronic system manages the entire logic, classifies the readings and reverses them if the threads wound up at the time are odd.
  • the entire chain is sharpened in such a way that the number of threads located in the double thread A is added adjacently; the program determines each time a new winding starts at the beginning of the roll, and this applies to the entire chain.
  • Another advantage that is achieved with the machine according to the invention arises from the fact that the threads are kept separate until the transfer at the winding point; in the conventional sheet-fed machines, at least 2 to a maximum of 10 filaments are grouped in a single tooth, and therefore there are rotations which can cause overlaps in the winding phase.
  • the automatic reading process according to the present invention can be carried out in a very simple way, because with the double thread control, the threads can be easily separated into two groups, i. the threads that need to go over the crossbar and those that have to go underneath.
  • FIG. 10 schematically shows a warping machine 39 having a warping drum 40 with a cylinder part 41 and with a cone part 42, wherein, as already mentioned in connection with FIG. 7, the surface of the cylinder part is formed by movable belts 43.
  • the cone part 42 is displaceable together with the belt in the direction of the axis of rotation of the warping drum.
  • the warping drum is mounted in a machine frame 55, which also receives the other elements, such as drive motor, brake device, control, etc.
  • the principle of the movable cone part with the coupled belt could under certain conditions also be used in conventional warping machines with a conventional warping module.
  • a sharpening carriage group 56 is arranged on the machine frame 55 on a sharpening guide arranged parallel to the cone slope, which is shown in more detail in FIG.
  • a thread guide unit 57 In the thread running direction after the thread guide unit 57 is on a holder a cursive 60 and after this the pair of rollers 24, 25 already arranged has been described in connection with FIG.
  • the individual rollers can be moved toward one another in a guide rail 62 or moved away.
  • the drive unit 58 has a similar construction to that according to FIG. 2 and will therefore not be described again in detail here.
  • the thread guide unit 57 has a slightly different operating principle than the double thread sheet A according to FIG. 1.
  • the thread guide unit 57 has a cylinder housing 64, the Has two diametrically opposite housing openings 65 seen in the thread running direction. In this case stacked a total of 64 discs 68 are stored, which take over the function of the thread guide elements.
  • the discs are individually rotatable about a common axis 66, which is mounted in a journal bearing 67. Each individual disc is rotatably drivable with a cable 73 which engages the outer periphery 72 of the discs.
  • the individual cables lead via deflecting means not shown here to the already mentioned drive unit 58th
  • each disk has two yarn guide channels 69a and 69b each with an inlet opening 70a or 70b and with an outlet opening 71a and 71b.
  • a thread Ia or Ib can be introduced.
  • compressed air channels 74 are provided, via which compressed air can be pressed in the direction of the outlet openings from the central axis. Due to the resulting pressure difference between the inlet opening and outlet opening, the threads are drawn.
  • FIG. 14 shows further details of the thread blocking unit 59 for blocking threads not used in the warping process.
  • a perforated board 75 two rows of holes 76 are arranged in the vertical direction, which are connected to corresponding passages. Each passage can be closed by means of a pneumatic micro-cylinder 77, so that the thread is jammed in the passage.
  • the microcylinders are supplied with compressed air via a pneumatic control 78.
  • FIG. 15 shows schematically another embodiment of a yarn guide unit.
  • the thread guide elements consist of individual guide pieces 79 which are mounted one above the other linearly displaceable in a frame 84. Each guide piece receives at least one thread 1 and guides it at the desired position to the warping band 20, which is formed on the roller pair 24, 25.
  • Each guide piece is connected on both sides with a cable, which is guided over not shown here deflecting means to a drive unit.
  • each cable pull 73 moves a guide piece 79, preferably in a guide rail 80. In certain cases, however, it would also be conceivable to keep the guide pieces freely tensioned without additional guidance by the cable pull.
  • at least one biasing spring 81 is integrated into the cable.
  • Each cable wraps around a sheave 82 which is coupled to a stepper motor 83. As a result of the looping friction on the pulley, the cable pull and thus the guide piece 79 can be moved in both directions of movement. As can be seen, the guide piece 79 does not necessarily have to execute a linear movement.
  • the guide piece could, for example, also be guided in a curved guide rail.
  • the guide rail 80 is formed as a flat rod on which the guide piece 79 is pushed like a sliding block.
  • the guide opening 15 is located on a level below the guide rail 80, so that the thread 1 can be performed without contact with the guide rail.
  • the Guide pieces 79 may be made of plastic material, for example.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

L'invention concerne un positionnement de fils individuels (1), pour lequel une pluralité d'éléments de guidage de fils (2) est prévue, au travers desquels au moins respectivement un fil parmi une provision de fils, par exemple en provenance d'un cantre, tiré et guidé jusqu'au tambour d'ourdissoir peut être guidé. Les éléments de guidage de fils sont empilés selon des surfaces de déplacement parallèles les unes aux autres dans le sens vertical et sont montés mobiles. Par déplacement relatif des différents éléments de guidage de fils (2), il est possible de déterminer sans croisure la séquence des fils, ou des groupes de fils, tirés sur la section d'ourdissage par rapport à la largeur horizontale de la section d'ourdissage, grâce à la position des éléments de guidage de fils. Le positionnement des éléments de guidage de fils selon deux sens de déplacement peut par exemple intervenir par l'intermédiaire d'une transmission par liens flexibles à commande par câble (19).
EP08708191.5A 2007-01-30 2008-01-25 Dispositif de positionnement des fils à l'intérieur de la largeur de bande d'une section d'ourdissage et procédé d'ourdissage Active EP2122024B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000043A ITRM20070043A1 (it) 2007-01-30 2007-01-30 Macchina per orditura automatica a campioni con sistema automatizzato multifilo e relativo metodo.
PCT/EP2008/050854 WO2008092802A1 (fr) 2007-01-30 2008-01-25 Dispositif de positionnement des fils à l'intérieur de la largeur de bande d'une section d'ourdissage et procédé d'ourdissage

Publications (2)

Publication Number Publication Date
EP2122024A1 true EP2122024A1 (fr) 2009-11-25
EP2122024B1 EP2122024B1 (fr) 2013-08-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08708191.5A Active EP2122024B1 (fr) 2007-01-30 2008-01-25 Dispositif de positionnement des fils à l'intérieur de la largeur de bande d'une section d'ourdissage et procédé d'ourdissage

Country Status (5)

Country Link
EP (1) EP2122024B1 (fr)
JP (1) JP5255572B2 (fr)
CN (1) CN101622387B (fr)
IT (1) ITRM20070043A1 (fr)
WO (1) WO2008092802A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2425924T3 (es) * 2011-06-28 2013-10-18 Karl Mayer Textilmaschinenfabrik Gmbh Urdidor de muestras
EP3121316B1 (fr) * 2015-07-20 2018-09-12 Stäubli Sargans AG Machine d'agencement de fils

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WO2008092802A1 (fr) 2008-08-07
EP2122024B1 (fr) 2013-08-28
ITRM20070043A1 (it) 2008-07-31
CN101622387B (zh) 2013-08-21
CN101622387A (zh) 2010-01-06
JP2010516915A (ja) 2010-05-20

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