EP1470277B1 - Dispositif permettant de separer des fils d'une couche de fils - Google Patents

Dispositif permettant de separer des fils d'une couche de fils Download PDF

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Publication number
EP1470277B1
EP1470277B1 EP03700284A EP03700284A EP1470277B1 EP 1470277 B1 EP1470277 B1 EP 1470277B1 EP 03700284 A EP03700284 A EP 03700284A EP 03700284 A EP03700284 A EP 03700284A EP 1470277 B1 EP1470277 B1 EP 1470277B1
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EP
European Patent Office
Prior art keywords
thread
threads
layer
storage
storage means
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EP03700284A
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German (de)
English (en)
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EP1470277A2 (fr
Inventor
Walter Bachmann
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Staeubli AG
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Staeubli AG
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Publication of EP1470277A2 publication Critical patent/EP1470277A2/fr
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/16—Apparatus for joining warp ends
    • D03J1/18—Apparatus for joining warp ends for joining, e.g. tying, a complete series of fresh warp threads to the used warp threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/13—Auxiliary apparatus combined with or associated with looms for leasing warp
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/14—Apparatus for threading warp stop-motion droppers, healds, or reeds

Definitions

  • the invention relates to a device for separating threads from a thread layer which is clamped between two clamping points.
  • Parting or separating threads is a step that must often be taken in connection with the production of textiles. Examples include the drawing of warp threads of a warp thread layer in harness elements of a loom (see DE 28 47 520 A ) or the reading of a crosshair. Another application results in the tying of warp threads of an old, already provided with weft yarn warp thread layer to a new warp thread layer. Again, warp threads are clamped in a frame and must be separated from the layer before knotting by the knotting machine
  • the threads are stretched in a frame, in which they together form a thread layer.
  • the individual threads are usually very close to each other, which makes it difficult to separate the threads. Separation may be understood here as a measure by which a single thread of the layer can be handled independently of the thread layer for subsequent steps.
  • a so-called crosshair is required as a separating aid for the individual threads or yarns, in particular in connection with the drawing in of filament yarns on woven harness elements.
  • Crosshairs are also known for the purpose of one of colorful threads or yarns existing thread layer to ensure the thread order.
  • the crosshairs must also be read into the thread layer beforehand.
  • two, transverse to the warp threads are drawn or woven between the warp threads. In the area between each two warp threads cross the strings. By moving the cross cords back and forth, the respective foremost thread can thus be separated from the others and subsequently separated with a separating agent.
  • warp thread repeat is meant a predetermined sequence of thread types, such as the color or diameter of different threads. deviations the warp thread repeat due to separation errors can subsequently lead to visible weaving errors in the weaving process.
  • the invention is therefore based on the object to provide a way to avoid at least certain of the separation errors described by machine intervention.
  • the object is achieved in a device of the type mentioned in the present invention by a storage device for clipboard of at least one thread, which is separable from a tensioned tension layer arranged in the thread layer, solved (see claim 1), wherein the storage device is provided with at least one storage means, which has at least one receptacle arranged outside the plane of the thread layer, wherein the receptacle is provided and configured for the arrangement of one or more of the filaments under tension, and the storage device furthermore has at least one transfer means with which the respective thread can be transferred to the storage means ,
  • the object is also achieved by the method according to claim 16.
  • the invention is basically suitable for any device in which threads are to be separated in a particular order, such as cross-insertion or warp-threading devices.
  • a detection device can be provided which detects actual data of the thread layer.
  • the thread repeat which is stored for example in the form of electronic data in a machine control, is comparable to the actual data of the thread layer determined by the detection device of the machine control. If the control determines deviations between the actual and desired data with respect to the compared criteria, for example with regard to the color sequence of the threads, then the machine controller causes the thread to be transferred to the buffer.
  • the buffer can not be arranged in, but next to the plane formed by the thread layer. This allows the separating means a free lateral access to the beginning of the thread layer and thus the respective foremost thread.
  • the threads can be stored in memory, without the threads must be subjected to excessive mechanical stress.
  • a structural design of the storage device is preferred, which makes it possible to transfer a thread along a transport path to the storage means and to receive from this, and to deliver the same thread substantially along the same transport route again.
  • This allows a particularly simple way after the separation of this thread to separate one or more further threads from the thread layer and to handle independently of the storage means.
  • the cached in the storage device thread disturbs them Handling operations not. It can be removed again from the storage means in the presence of predetermined criteria.
  • the threads are preferably removed from the storage means substantially along the same transport path, along which they have previously reached the storage means. If the threads are moved after their inclusion within the storage means, they can conveniently along the same path also return to a position in which they are discharged from the storage means. This can reduce the design effort in connection with the storage device, since transfer means, with which the threads are transferred to the storage means, can also be used to return the threads.
  • the inventive storage device has at least two storage means.
  • one storage means should expediently be arranged on each side of the thread layer. This makes it possible to temporarily store a separated thread lying crosswise with another thread on the side of the thread layer on which the thread currently being handled intersects the other thread.
  • the thread which is detected or which is closest to the separating means but not yet to be fed to the processing process can thus remain on its "crossing side" of the thread layer. Since one storage means is provided on each side of the thread layer, this thread does not have to be guided around the other thread. It can thus be avoided a wrap of threads.
  • the thread must be removed so far from the thread layer for the storage process only on its intersection side that he does not interfere with the separation step for the subsequent thread.
  • a structurally favorable embodiment of a storage means may provide a spindle rotatable about its longitudinal axis.
  • the spindle should be provided on its lateral surface with receptacles for one or more threads. It has proved to be expedient if the receptacles are formed by a thread arranged on the lateral surface.
  • a detection means preferably an optical detection means should be present for determining certain properties of the threads.
  • the optical detection means may for example be formed as a color camera, which is provided with a lighting means.
  • thread properties detection are possible.
  • metallized filaments can be detected by inductive sensors.
  • the color camera captures at least the area in which the respective next thread is to be separated. Of the optical information provided by the camera, at least one color information is needed in connection with a preferred embodiment of the present invention. This information is compared in the control with data of the warp thread repeat.
  • the data for the warp repeat should at least contain information about the desired order of the threads by specifying their colors or other properties.
  • information about the position of an initial layer in which the thread was arranged during the assembly of the partial layers to the (total) layer to be separated according to the invention can also be contained in the controller.
  • multicolor layers are usually produced by joining together (assembling) a plurality of monochrome starting layers.
  • Such created thread layers are also called multi-layered warp thread layers, although the overall layer is usually in only a single plane.
  • a sub-layer of a multi-layered chain can be understood to mean a certain number of threads of the layer, which are combined on the basis of their properties, for example because they have the same color.
  • a sub-layer may thus correspond to an initial layer before assembly, but this need not necessarily be the case. The sum of all partial layers can then form the multilayer chain.
  • the chain has traditionally been clamped between two clamping rails. Between the clamping rails a separating bar was inserted for each (partial) layer. By means of separating bars it was possible to create a height difference between the individual partial layers of the chain. In this way, it was possible to avoid false separations during the transition from one partial layer to the next, which would result in errors in the Kettrapport. However, this can be considered to be disadvantageous in that for each height or partial layer a separate separation point must be created.
  • Kettfaden für aden can be dispensed with such separation bars and the associated effort when inserting this in the chain. Due to the invention, it is no longer necessary to build a chain in multiple layers, to thereby obtain a safe and correct separation of the individual threads. Even such Kettfaden füren are, without further aids are absolutely necessary, preferably clamped only between two clamping points.
  • a separating means one thread after the other can be separated. If deviations from the warp thread repeat are detected in the layer transitions, ie when changing from a thread of a first property (for example the color) to a thread of another property, then the thread just separated can be transferred into the store. The thread is removed again from the memory, as soon as it has been determined after the separation of at least one further thread, that the thread in the store is to be separated according to Kettfadenrapport now.
  • a warp thread layer 1 is shown in fragmentary form, the individual threads 2, 3, 4 are clamped over a longitudinal section of each thread between each two clamping bars 5, 6.
  • the substantially parallel threads 2, 3, 4 are between the only two clamping points under a low tensile stress and form the substantially planar thread layer. 1
  • threads 2, 3, 4 are provided different color, with always a predetermined number of the same color threads 2, same color threads 3 and 4 threads of the same color are adjacent. In the exemplary embodiment, threads of the same color thus form a partial layer in each case. In Fig. 1 different colors are symbolized by different weights.
  • two so-called layer separation cords 7, 8 are inserted between the two clamping points in the thread layer.
  • the layer separation cords 7, 8 also extend substantially transversely to the threads 2-4 of the thread layer and thus Approximately parallel to the terminal strips 5, 6.
  • Such layer separation cords 7, 8 have long been known and are already inserted in the usually manual creation (assembly) of a thread layer 1 with threads of different properties (for example, color, material, diameter, etc.).
  • one of the two layer separation cords 7, 8 at the points changes the side of the thread layer 1, where in each case a color change takes place in the thread layer 1.
  • threads of different colors are next to each other.
  • the crosshair shown in Fig. 2 usually consists of two threads 9, 10, which extend as well as the layer separating cords 7, 8 of Fig. 1 substantially transverse to the longitudinal extent of the threads 2-4 of the thread layer.
  • the crosshair threads 9, 10 behind each thread change the side of the thread layer.
  • the crosshairs threads 9, 10 intersect behind each of the threads 2-4 and thus separate the individual threads 2-4 from each other.
  • a rapid separation of individual threads 2-4 is required, for example, in a subsequent retraction of woven harness elements on the threads of the thread layer by means of a warp thread drawing machine.
  • the cross-reading device 12 shown in Fig. 2 is intended to read such a reticle in a thread layer.
  • a retracted in the processed part 11 of the thread layer such reticle with crosshairs threads 9, 10 can be seen.
  • the cross-reading device 12 has a separating means 13 shown only in FIG. 3, which may preferably be designed as a suction nozzle.
  • the suction nozzle has a tapering gap whose longitudinal extent runs parallel to the orientation of the threads 2-4.
  • the gap 15 opens into a vacuum line 16, which is connected to a vacuum means, not shown, for example, a pump.
  • a negative pressure can be generated in the gap 15 by means of which individual threads 2-4 can be held in the gap 15.
  • the negative pressure should be so great that a further clamped between the two clamping points and sucked by the suction means thread 2 can be moved with the suction nozzle 14 of the thread layer 1.
  • the suction nozzle is attached to a transport carriage, not shown, through which the suction nozzle 14 is movable within the plane of the thread layer 1 and substantially transversely to the longitudinal extent of the threads 2-4.
  • the suction nozzle 14 can be positioned in front of the respective foremost thread 2-4.
  • the suction nozzle may additionally be movable relative to the transport carriage in the thread layer plane in order to grasp a thread and, by moving away from the thread layer, to separate the thread, as shown in FIG.
  • a detection means designed as a color camera 17 and light source 18 is also arranged on the transport carriage, with which properties of the threads can be detected, in particular those threads which are grasped by the suction nozzle and guided away therefrom by the thread layer.
  • Such a device is in the Swiss patent application CH 2001 0754/01 the same applicant.
  • the resolution of the color camera 17 should in this case be chosen so that individual threads, in particular the colors and contours of the individual threads 2-4, can be detected.
  • the image generated by the camera 17 is forwarded via a data line 19 for evaluation to an electronic controller 20 of the cross reading device.
  • a color recognition software is available, with the color of individual threads 2-4 can be determined due to the data supplied by the camera 17.
  • Suitable programs for this purpose are generally known in advance. They are often based on the method of so-called color space transformation, in which the proportions of the primary colors (red, green, blue) for certain image areas are determined by comparison with reference colors.
  • Complete systems of camera or color sensor and evaluation software can be obtained, for example, from the companies Optronik GmbH, Berlin, Federal Republic of Germany, or also from Ziehmann & Urban GmbH, Erding, Federal Republic of Germany.
  • a Kettfadenrapport be stored.
  • the term "warp thread repeat" can be understood as meaning data or information about the colors of the individual threads 2-4 and their desired order.
  • information about the locations in the thread layer could also be understood, at each of which a change from a thread from a first to a thread of a second color takes place.
  • This information can also be stored in another form, for example by specifying the respective number of successive threads with the same properties.
  • information about the thread thickness and the order of the threads with certain thread thicknesses in the thread layer can be stored as Kettfadenrapport. If the desired thread thicknesses are to be compared with the actual thread thicknesses, then the control device has an image recognition software suitable for this purpose.
  • the cross reading device is provided with a storage device 21, with which threads from the thread layer plane are transferred into a temporary storage device and temporarily stored there.
  • a storage means in the form of an inclined to the thread layer 1 spindle 22, 23 is provided in the illustrated embodiment, on each side of the thread layer 1.
  • an oblique sliding surface 26, 27 is provided, which is inclined in the processing direction (arrow 28) to the thread layer plane.
  • the processing direction is the direction in which the cross-stitch machine processes the thread layer.
  • two approximately U-shaped pivot lever 29, 30 are arranged on each side of the thread layer plane as transfer means.
  • a rod-shaped catcher 31, 32 is arranged on each side of the thread layer 1, parallel and at a small distance therefrom.
  • the spindles 22, 23 and the pivot levers 29, 30 are, like the suction nozzle 14 of FIG. 3, the catcher 31, 32 and the sliding surfaces 26, 27 attached to the transport carriage, not shown. Together with the transport carriage, these components are movable parallel to the plane of the thread layer 1 in the execution direction 28 back and forth.
  • the two pivot levers are slightly in relation to a direction perpendicular to the plane of Fig. 4 direction offset from each other, whereby the pivot lever 29, 30 are pivotable in positions in which they partially overlap.
  • the spindle 22 is inclined ⁇ with its longitudinal axis 22b (Fig. 4) with respect to the thread layer 1 by an angle ⁇ and in such a way that the free end 22a of the spindle 22 of the thread layer 1 is closest.
  • the free end 22a also points in the execution direction (arrow 28) of the thread layer.
  • the spindle 22 is provided along a portion with an external thread 33 which winds around the spindle 22 several times along the entire circumference.
  • Each of the threads formed thereby constitutes a receptacle for one of the threads 2-4, as will be described in more detail below.
  • the spindle 22 With its other end, the spindle 22 is connected to a drive means, not shown. As a result, the spindle can rotate at continuously adjustable rotational speeds and in both rotational directions about its longitudinal axis 22b.
  • the two spindles 22, 23 are also synchronized with each other, so that they can be driven together at the same speed.
  • the one spindle always has the same direction of rotation in a certain direction of rotation of the other spindle.
  • the pivoting lever 29 of the transfer means has a connecting leg 34, which connects a catcher leg 35 with a transfer leg 36. Both the catcher leg 35 as well as the transfer limb 36 each have a free end, which is used to handle threads and designed accordingly.
  • the pivot lever is articulated in the region of its connecting leg 34 about a pivot axis 37 pivotally. The corresponding pivoting movement can be generated by a motor drive, not shown.
  • the pivot axis 37 of the pivot lever 29 in this case runs perpendicular to the plane of Fig. 4 and thus substantially parallel to the threads of the layer.
  • the pivot axis 37 is also located at the point where the connecting leg and the transfer limb meet.
  • the transfer leg In the neutral end position of the pivot lever 29 shown in FIG. 4, the transfer leg is located in front of the catcher leg 35 of the pivot lever 29 with respect to the execution direction 28.
  • the ends of the two legs 35, 36 initially have approximately the same distance from the thread layer.
  • the transfer leg 36 extends in the neutral end position approximately perpendicular to the plane of the thread layer 1.
  • a formed at the free end of the transfer leg hook 40 is angled at three locations, so that the hook is approximately a U-shape.
  • the catcher leg 35 has a slight curvature in the direction of the transfer limb 36. In the region of its free end, it is provided with a substantially smaller width, through which a needle-shaped tip 41 is formed. The tip 41 merges at a step 42 in the wider portion of the catcher leg 35.
  • the suction nozzle 14 In order to read in a crosshair in the single-layer thread layer, the suction nozzle 14 is moved laterally to the first thread of the layer 1 in the processing direction approximately in the middle between the two clamping points. By means of the From the suction nozzle exerted negative pressure, the first thread is detected and led away against the execution direction of the thread layer by a certain stroke. By means of the camera 17 and the existing color detection software in the controller 20, the color of the detected thread 2 is determined. This information is compared with the target color stored in the warp repeat. If the nominal data agree with the actual data, the thread 2 is guided away in a manner known per se by a pivoting movement of a transfer means 43 (for example with the pivoting hooks shown in FIGS. 2a, 2b).
  • a transfer means 43 for example with the pivoting hooks shown in FIGS. 2a, 2b.
  • the controller makes a comparison on the basis of the color information of the respectively separated thread supplied by the camera and to be evaluated by the controller.
  • this (actual) color information is compared with the (target) color information contained in the warp thread repeat for the thread. If the controller 20 detects a deviation in this comparison, then it can be assumed that a crossover of the yarn detected by the suction nozzle 14 with one or more according to Kettfadenrapport actually provided before this thread other threads must be present.
  • the detected thread 2 is transferred to the buffer and stored there.
  • the pivot lever 29 is actuated, whereby the catcher arm 35 is moved toward the thread layer 1. Due to its circular arc-shaped trajectory, the tip 41 reaches the enlarged by the suction nozzle 14 Distance of the foremost to the following thread.
  • the step 42 detects the catcher leg 35, the thread 2 and takes him on his trajectory. This situation is shown in FIG. On its predetermined transport path of the further clamped between the two clamping points thread 2 at the end of the spindle 23a is moved a bit far. The movement of the catcher leg is stopped at a point where already the wider back of the catcher arm 35 is opposite to the spindle 23. This is shown in FIG.
  • the transfer leg 36 is approximated on a likewise arcuate trajectory about its pivot axis 37 the deflected thread 2.
  • the hook 40 of the transfer leg seizes the thread 2 immediately next to the catcher leg 35 and takes over the thread (see Fig. 7).
  • the catcher leg lingers at this time in its position, so that the transfer limb with the central portion of its hook 40 by its further rotational movement, the thread over the step 42 of the catcher leg on the wider rear side can lead (Fig. 8). Once this is achieved, the transfer leg 36 is started to turn back to its neutral end position.
  • the released by the transfer limb thread now slips due to the applied thread tension on the curved back of the catcher arm 35 in the direction of the thread layer and thereby passes into the first thread of the spindle 23 (FIG. 9). Also, the catcher leg 35 can then be rotated back to its original position.
  • the spindle 23 is then actuated in a direction of rotation, which - seen from the free end 23b of the spindle - corresponds to the direction of rotation of the thread.
  • This has the consequence that the thread is taken from the thread and relative to the Longitudinal axis of the spindle moves in a rectilinear motion on the lateral surface.
  • the movement should be stopped at the earliest when the thread is held securely by the thread on the spindle.
  • the thread 2 is thus cached.
  • the suction nozzle 14 can now separate the frontmost thread, as shown in Fig. 3 and described above. Based on the data provided by the camera 17 and a comparison with the Kettfadenrapport is again determined whether this thread corresponds to the thread, which is expected according to the Kettfadenrapport. If so, the thread is picked up by the transfer means 43 and fed to the processed side 11, i. the cross reading side of the machine guided (Fig. 2). Here already, the two cross threads 9, 10 were crossed before the thread last transferred to the cross reading page. As a result, the last two transferred threads are physically separated from each other.
  • the same transfer arm 36 is pivoted in the direction of the spindle 23, with which the thread 2 has already been placed on the spindle 23.
  • the hook 40 of the pivot lever 30 is in this case arranged immediately below the free end 23b of the spindle 23 and the spindle is rotated counter to its direction of rotation when receiving the thread 2.
  • the thread is thereby guided in the direction of the spindle end and finally released by the spindle 23.
  • the hook 40 then catches the thread 2.
  • this transfer leg 36 in its neutral end position then gives the hook 40, the thread 2 free. Due to its tensile stress, the thread hereby reaches the guide element, on which the thread then slides on its slanted sliding surface 27 back in the direction of the thread layer 1.
  • the catcher 32 which in the meantime has traveled in the direction of the layer and arranged over the first thread of the layer, catches the thread 2 (FIG. 11).
  • the catcher 32 can be moved back.
  • the thread 2 then oscillates as now foremost thread 2 of the layer 1 in this back (Fig. 12). Since the thread 2 has been thereby guided in a predetermined manner during the removal process, a large part of the energy contained in the thread has already been degraded before it returns to the layer. As a result, the thread reaches the plane of the thread layer with only a small amount of residual kinetic energy, so that a reverberation of the thread can be largely avoided.
  • the thread can now be subsequently separated with the suction nozzle of the thread layer and then transferred to the Bucheinleseseite.
  • the spindle 23 should be further rotated at least one revolution for each separated thread 2 in the direction of picking up, as long as threads of different color or properties are concerned. This ensures that threads of different color in the storage means through the thread are separated from each other. If, on the other hand, the thread last deposited in the storage means and the thread to be newly deposited belong to the same partial layer, then these two threads need not necessarily be physically separated from one another in the storage means. They can be located on the storage medium within an area that is less than a thread turn.
  • the pitch of the thread By a suitable choice of the pitch of the thread can thereby also be achieved that the thread density of the thread layer 1 is imaged on the spindle 23.
  • the spindle 23 should be advanced stepwise translationally with each processed or cached thread parallel to the plane of the thread layer in the processing direction 28 of the layer.
  • each of the feeding steps may correspond to the thread density, i.
  • the filament 2 captured by the separating means 13 and to be deposited in the temporary storage is brought onto the spindle 22, 23, on the side of which this filament 2 crosses one or more other filaments. Due to the sequence of the partial layers to each other during assembly of the thread layer and the associated course of the layer separation cords 7, 8 in the thread layer can be assumed that a thread can only cross a thread of another color on one side of the thread layer. In order to prevent threads crossing a thread of a different color on the other side of the thread layer, the layer separation cords 7, 8 can be pulled over the separation point before the beginning, which separates each of the sub-layers from the other sub-layers. This leaves in the access area of the separating means 13 only intersections, which can be resolved by the inventive Separierhabilit, which provides for the use of a buffer.
  • a thread layer can be processed particularly low, the two or more different thread types, for example, threads 2-4 different color, has, without this wrap around threads.
  • FIGS. 13a and 13b show a detail of such a warp thread layer, the actual state being shown in the representation of FIG. 13a and the desired state being shown in the illustration of FIG. 13b.
  • the threads with the reference symbols a, b and c, d have the same color, for example green.
  • the threads e, f can be white and the threads g, h can be blue.
  • the thread sequence in the illustration of FIG. 13b from right to left
  • FIG. 13c the situation which was present during assembly of the partial layers to the thread layer 1 and is now to be taken into account in the reading-in of a cross-hair according to the invention is shown.
  • 45 three sub-layers are rolled up on a warp beam, wherein the first layer separating line 7 between the blue (threads g, h) and the green (threads a, b, c, d) partial layer is inserted.
  • the second layer separating line 8 runs between the green (threads a, b, c, d) and the white (threads e, f) partial layer.
  • the detail of the warp thread layer shown is processed from left to right.
  • the warp thread layer is clamped between two clamping points, wherein only one clamping point is shown in FIGS. 13a and 13b.
  • the suction nozzle 14 is used.
  • a blue thread g, h is expected, but in fact the separating agent seizes a green thread.
  • the green sub-layer (threads a, b, c, d) over the blue sub-layer (threads g, h) is arranged. Consequently, the green thread is transferred to the upper storage means.
  • the second green thread c whereby two green threads c, d are now arranged in the upper intermediate store.
  • the suction nozzle 14 sequentially detects and transfers the two blue yarns h, g to the transfer means, whereby the yarns h, g are placed on the cross-reading side not shown in Figs. 13a, 13b. Since the white threads f, e, which in turn are subsequently detected one after another, correspond to the sequence of threads indicated by the warp thread repeat, these are also brought directly to the cross-reading side and not into the buffer. Since the warp thread repeat next specifies two green threads, the upper storage means can now be emptied by first transferring the first green thread c from the store into the warp thread layer and bringing it to the cross-stitch side. This process is repeated with the second green thread d. It is also possible to remove the two threads c, d simultaneously from the storage means. Subsequently, the two green threads b, a can now be successively brought to the cross-reading side.
  • FIG. 14a a further section of an actual state of a warp thread layer is shown in a sectional view.
  • FIG. 14b shows the desired state and FIG. 14c the relative position of the partial layers blue (threads g, h), green (threads a, b, c, d) and white (threads e, f) during the preceding assembling operation ,
  • this exemplary embodiment which is to be processed from right to left, first the two green threads a, b are to be brought into the upper store and the two blue threads g, h to the cross insert side.
  • the green threads a, b are provided to first empty the upper storage means with the green threads a, b. There are four green threads on the front. These can then be successively brought into the lower storage means. Following this, the white threads e, f next to each other, as well as the actual state, are to be transferred to the cross-reading side. Thereafter, the green threads a - d can be removed from the lower memory and also brought to the cross reading side.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Sewing Machines And Sewing (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Looms (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Claims (21)

  1. Dispositif de stockage intermédiaire pour au moins un fil (2-4) séparable d'une couche de fils (1), caractérisé en ce qu'il comporte des moyens de mise sous tension (5, 6) pour tendre la couche de fils, moyennant quoi au moins une partie des fils de la couche de fils peuvent être alignés entre eux de manière sensiblement parallèle, et en ce qu'il est pourvu d'au moins un moyen de stockage (22, 23) comprenant au moins un accessoire de fixation pour un ou plusieurs des fils sous tension, moyennant quoi ledit au moins un accessoire est disposé à cet effet hors du plan de la couche de fils et présente au moins un moyen de transfert (29,30), grâce auquel le fil est transférable au moyen de stockage, et est en outre pourvu d'un contrôleur (20) avec lequel une séquence de consigne déterminée des fils de la couche de fils est comparable à une séquence existante des fils et dans lequel, lors d'une divergence entre les séquences de consigne et existante, le contrôleur active ledit au moins un moyen de transfert, de manière à transférer au moins un des fils dans ledit au moins un accessoire de fixation.
  2. Dispositif de stockage selon la revendication 1, caractérisé par plusieurs accessoires de fixation dudit au moins un moyen de stockage permettant la disposition simultanée de plusieurs fils séparés entre eux dans le moyen de stockage.
  3. Dispositif de stockage selon la revendication 2, caractérisé en ce que le moyen de stockage comporte un fuseau rotatif (22, 23) pourvu d'un filetage (33) comportant plusieurs tours de filet (de manipulation) pour la constitution de plusieurs accessoires de fixation.
  4. Dispositif de stockage selon l'une quelconque des revendications précédentes 1 à 3, caractérisé en ce que le fil à stocker est saisi par le moyen de transfert dans un poste de séparation et est transférable vers le moyen de stockage.
  5. Dispositif de stockage selon l'une quelconque des revendications précédentes 1 à 4, caractérisé en ce que le fil peut être enlevé du moyen de stockage par le moyen de transfert.
  6. Dispositif de stockage selon l'une quelconque des revendications précédentes 1 à 5, caractérisé par deux moyens de stockage qui peuvent être disposés chacun d'un côté de la couche de fils.
  7. Dispositif de stockage selon la revendication 6, caractérisé en ce que le moyen de stockage est disposé selon une symétrie miroir par rapport au plan de la couche de fils.
  8. Dispositif de stockage selon l'une des revendications 6 à 7 ou selon ces deux revendications, caractérisé en ce que les mouvements des deux moyens de stockage sont synchronisés entre eux.
  9. Dispositif de stockage selon l'une quelconque des revendications précédentes 1 à 8, caractérisé en ce qu'un fil peut être transmis le long d'une longueur de transport au moyen de stockage, être déplacé dans celui-ci et être essentiellement retransféré le long de la même longueur de transport.
  10. Dispositif de stockage selon l'une quelconque des revendications précédentes 1 à 9, caractérisé en ce qu'un premier fil peut être enlevé du moyen de stockage, en ce qu'un deuxième fil séparé de la couche de fils peut être transféré temporellement après le premier fil sur un face de travail de la couche de fils, en même temps ou avant que le premier fil ne soit enlevé du moyen de stockage.
  11. Dispositif de stockage selon la revendication 10, caractérisé en ce que le deuxième fil parvient de la couche de fils sur la face de travail sans assistance du moyen de stockage.
  12. Dispositif de stockage selon la revendication 1 pour le stockage intermédiaire d'au moins un fil séparable d'une couche de fils, dans lequel le moyen de stockage peut tourner autour d'un axe de rotation et comprend au moins un accessoire de fixation pour un ou plusieurs des fils sous tension, moyennant quoi ledit au moins un accessoire de fixation est disposé hors du plan de la couche de fils tendus et le moyen de stockage d'un entraînement peut tourner dans deux directions opposée.
  13. Dispositif de stockage selon la revendication 12, caractérisé en ce que ledit dispositif peut tourner dans une première direction pour la disposition d'au moins un fil sur le dispositif de stockage et dans la direction opposée pour la libération dudit au moins un fil.
  14. Application d'un dispositif de stockage selon l'une quelconque des revendications 1 à 13 dans une machine de montage de fils de chaîne.
  15. Application d'un dispositif de stockage selon l'une quelconque des revendications 1 à 13 dans une machine à tension d'enverjure.
  16. Procédé de séparation d'à chaque fois au moins un fil (2-4) parmi une couche de fils tendus (1) avec un dispositif de stockage selon une des revendications 1 à 13, caractérisé en ce que, lors du déplacement d'une séquence déterminée de fils (2-4 ; a-h), au moins un fil séparé de la couche de fils (1) est transféré dans un stockage intermédiaire et le fil est enlevé du moyen de stockage intermédiaire, après quoi au moins un autre fil est séparé de la couche de fils.
  17. Procédé selon la revendication 16, caractérisé en ce que le fil est stocké dans un accessoire de fixation intermédiaire en dehors de la couche de fils.
  18. Procédé selon l'une des revendications 16 à 17 ou selon ces deux revendications, caractérisé en ce que la séquence déterminée des fils est comparée avec un état existant déterminé par un dispositif de détection de la séquence des fils dans un contrôleur électronique et en ce que, lors de déplacements, le contrôleur active un moyen de transfert qui saisit un fil séparé et le transfère dans le stockage intermédiaire.
  19. Procédé selon l'une quelconque des revendications précédentes 16 à 18, caractérisé en ce qu'un fil est ensuite déplacé dans un premier stockage intermédiaire et qu'avant l'extraction dudit fil, au moins un autre fil est transféré dans un deuxième stockage intermédiaire, dans lequel les deux stockages sont disposés sur des faces différentes de la couche de fils.
  20. Procédé selon la revendication 19, caractérisé en ce que le stockage intermédiaire dans lequel chaque fil est transféré est déterminé en fonction de la séquence des couches partielles de la couche de fils.
  21. Procédé selon l'une quelconque des revendications précédentes 16 à 20, caractérisé en ce que plusieurs fils successifs sont transférés selon une séquence déterminée dans au moins un stockage intermédiaire et en ce que ces fils sont enlevés à leur tour l'un après l'autre dudit au moins un stockage intermédiaire selon la séquence inverse.
EP03700284A 2002-01-30 2003-01-24 Dispositif permettant de separer des fils d'une couche de fils Expired - Lifetime EP1470277B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH159022002 2002-01-30
CH1592002 2002-01-30
PCT/CH2003/000058 WO2003064746A2 (fr) 2002-01-30 2003-01-24 Dispositif permettant de separer des fils d'une couche de fils

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EP1470277A2 EP1470277A2 (fr) 2004-10-27
EP1470277B1 true EP1470277B1 (fr) 2007-10-03

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EP03700284A Expired - Lifetime EP1470277B1 (fr) 2002-01-30 2003-01-24 Dispositif permettant de separer des fils d'une couche de fils

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US (1) US7356893B2 (fr)
EP (1) EP1470277B1 (fr)
JP (1) JP4403575B2 (fr)
CN (1) CN1625621B (fr)
AT (1) ATE374850T1 (fr)
AU (1) AU2003201587A1 (fr)
DE (1) DE50308318D1 (fr)
TW (1) TWI305807B (fr)
WO (1) WO2003064746A2 (fr)

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EP1748096B1 (fr) * 2005-07-25 2008-05-14 Stäubli AG Pfäffikon Dispositif et procédé pour séparer un fil de chaîne
EP1870501A1 (fr) * 2006-06-23 2007-12-26 Stäubli AG Pfäffikon Dispositif de séparation de fils d'une couche de fils, procédé pour opérer le dit dispositif et utilisation du dit dispositif
KR100976929B1 (ko) * 2008-04-16 2010-08-18 소진수 실공급방법, 경사공급방법, 실공급장치 및 직조방법
EP2147992B1 (fr) * 2008-07-25 2012-11-07 Stäubli AG Pfäffikon Machine de passage et procédé de passage des fils de chaîne d'une chaîne à tisser en éléments d'un équipement de tissage
US9862564B2 (en) * 2013-10-25 2018-01-09 Columbia Insurance Company Cutter assembly for stretched yarn
ES2600953T3 (es) * 2013-12-09 2017-02-13 Stäubli Sargans Ag Dispositivo para la separación de hilos
JP6496752B2 (ja) * 2014-06-24 2019-04-03 アップル インコーポレイテッドＡｐｐｌｅ Ｉｎｃ． 入力デバイス及びユーザインターフェース対話
EP2977494B1 (fr) * 2014-07-24 2024-07-17 Stäubli Sargans AG Unité de nouage, procédé de nouage et machine de nouage à chaine comprenant l'unité de nouage
ES2746933T3 (es) * 2016-12-01 2020-03-09 Staeubli Sargans Ag Módulo de separación de hilos con un dispositivo sensor capacitivo
CN106948059B (zh) * 2017-02-20 2019-06-11 杭州凯秀纺织有限公司 用于经纱整理的排线约束装置
CN109487416B (zh) * 2018-11-27 2020-02-14 福建伟易泰智能科技有限公司 纱线勾取控制方法、装置和纺织机
CN109537152A (zh) * 2018-12-07 2019-03-29 福建伟易泰智能科技有限公司 一种纱线自动吸取装置及穿经机
CN109594183B (zh) * 2018-12-07 2021-03-19 福建伟易泰智能科技有限公司 一种纱线自动追踪装置及穿经机
CN109680382B (zh) * 2019-01-22 2020-12-18 福建伟易泰智能科技有限公司 一种多纱检测的装置、绞纱头以及多纱检测的方法
CN109552936B (zh) * 2019-01-22 2020-08-11 福建伟易泰智能科技有限公司 一种防止粘连的装置、纱线分离装置及纱线分离的方法
CN109778397B (zh) * 2019-02-27 2020-05-19 深圳市海弘装备技术有限公司 穿经机纱线转移装置
CN109825921B (zh) * 2019-03-13 2021-12-10 深圳市海弘装备技术有限公司 多种类经纱的分绞机与分绞方法
EP3754070B1 (fr) 2019-06-17 2023-06-07 Groz-Beckert KG Dispositif et procédé de manipulation d'éléments de chaînes
EP3771758B1 (fr) * 2019-07-31 2022-03-30 Stäubli Sargans AG Dispositif de serrage de fil et machine de préparation de tissage comprenant un tel dispositif de serrage de fil
CN110629373B (zh) * 2019-09-06 2020-11-10 深圳市海弘装备技术有限公司 一种自动调节多层线幕边缘层差的调节机构与方法
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JP4403575B2 (ja) 2010-01-27
US7356893B2 (en) 2008-04-15
CN1625621A (zh) 2005-06-08
ATE374850T1 (de) 2007-10-15
WO2003064746A3 (fr) 2003-10-16
AU2003201587A1 (en) 2003-09-02
EP1470277A2 (fr) 2004-10-27
TWI305807B (en) 2009-02-01
JP2005516127A (ja) 2005-06-02
WO2003064746A2 (fr) 2003-08-07
CN1625621B (zh) 2010-06-16
DE50308318D1 (de) 2007-11-15
TW200302887A (en) 2003-08-16
US20050028335A1 (en) 2005-02-10

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