EP1038061B1 - Dispositif accumulateur - Google Patents

Dispositif accumulateur Download PDF

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Publication number
EP1038061B1
EP1038061B1 EP98966299A EP98966299A EP1038061B1 EP 1038061 B1 EP1038061 B1 EP 1038061B1 EP 98966299 A EP98966299 A EP 98966299A EP 98966299 A EP98966299 A EP 98966299A EP 1038061 B1 EP1038061 B1 EP 1038061B1
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EP
European Patent Office
Prior art keywords
thread
storage device
adjustable
diverting
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.)
Expired - Lifetime
Application number
EP98966299A
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German (de)
English (en)
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EP1038061A1 (fr
Inventor
Pär JOSEFSSON
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Iropa AG
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Iropa AG
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/36—Measuring and cutting the weft
    • D03D47/361—Drum-type weft feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • 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

Definitions

  • the invention relates to a storage device in the preamble of the claim 1 specified Art.
  • a storage device for a rapier weaving machine has a series of scissors-like pivotable in opposite directions relative to each other Levers that are pivoted via a cam drive depending on the web cycle. Two such alternately working storage devices are provided, each of which during the entry from the other storage device temporarily saves the weft thread for the next entry with a zigzag-shaped thread course.
  • the drive connection between each swivel lever and the Cam drive is rigid. When entering, the swivel levers are removed from the storage position successively and starting with the one closest to the entry device Swivel lever in the entry position, however, also for temporary storage successively and starting with the one closest to the entry device Swivel lever adjusted to the storage position.
  • the against entries due to the momentary stopping of the weft thread on the upstream thread brake Stretching strands occurring in the thread can lead to undesirably high mechanical loads of the weft thread (risk of thread breakage).
  • each adjustable thread deflection element is already before the start of the entry returned to its entry position while the thread holder still holds the thread Intermediate store with the zigzag thread course.
  • the Thread holder starting with the thread holder closest to the insertion device, successively opened.
  • the path of movement of each adjustable thread deflecting element is either rectilinear or curved.
  • the thread holder can also be in one spatial, polygonal configuration to be arranged when caching position the thread zigzag in polygonal turns.
  • the invention has for its object to provide a storage device that in principle corresponds to the aforementioned, known storage devices and the Take advantage of the low take-off tension, and at the risk of thread breakage is reduced or eliminated towards the end of the entry.
  • the damping is carried out by applying a elastic damping force on the adjustable thread deflecting element against the insertion end remains in contact with the thread and until the entry position is reached Consumes energy from the thread.
  • the damping force is expediently smaller than the thread force, i.e. the force of the thread due to the thread tension or the increase in thread tension on the adjustable thread deflecting element, so that this reliably reaches the entry position and the removal of the entire stored length is not affected.
  • the adjustable thread deflecting element forcibly reset with a steaming delay towards the entry position, by means of its drive, so that towards the end of the entry a positive Thread delivery takes place at which the speed of the adjustment movement of the Thread deflection element determines the entry speed of the thread and thus energy is being consumed.
  • the damping delay is generated so that the Resistance of the thread deflecting element is greater than the thread force, so that not the thread returns the thread deflecting element to the entry position, but the drive remains responsible for this. Thanks to the energy consumption, the feared remains Stretching or whip effect.
  • a component required for the storage function is the Storage device, namely at least one adjustable thread deflecting element with The additional function of energy consumption is used when this component is no longer required for the storage function anyway.
  • a further embodiment is expediently at least the first adjustable thread deflection element in the thread insertion direction, or preferably a plurality of thread deflecting elements initially provided in the thread insertion direction used for steaming. This is useful because of the stretch stroke or whip effect only occurs towards or at the end of the entry when the others adjustable thread deflecting elements of the storage device already in or have reached their entry positions.
  • the storage device can be started simply adjust the respective entry conditions.
  • the storage device can pull the thread directly from a thread supply spool. However, because of the winding course on the supply reel and / or due to noticeable changes in thread tension due to the decrease in diameter of the winding result, it is appropriate (claim 7), the storage device to provide a thread delivery device so that the storage device the thread can pull off with a constant thread tension, possibly even a measuring delivery device, that of the storage device is exactly the predetermined one Thread length can be deducted.
  • the measuring delivery device is advantageous in two ways because it is largely constant tension ratios when deducted by the storage device guaranteed, and the thread length to be stored measured exactly. Because the measurement delivery device it is a largely rigid system in terms of thread length, it is recommended itself in the storage device from an elastic component to provide the thread tension damper in order to avoid undesired Exclude loads on the thread,
  • Expedient (claim 8) in the storage device are fixed and relative to the fixed adjustable thread deflecting elements provided together define the zigzag thread course during the saving process, or mutually adjustable Fadenumlenkemia or in addition to thread deflection elements that can be adjusted in opposite directions fixed thread deflection elements. This allows a large storage capacity with a reduced space requirement for the storage device achieve.
  • the storage device has stationary, controlled detachable thread holders that are zig-zag or winding-like Define the course of the thread, while the adjustable thread deflection elements at Store only as a thread feeder, and at least one of them as a damping element, act.
  • the thread deflecting element is a swivel lever which is adjusted by means of a suitable drive.
  • the drive can Adjust the swivel lever in both directions, or, e.g. against a return spring, only in one direction.
  • the pivot lever forms at the same time several thread deflecting elements that are synchronously adjustable and a common one Can have drive.
  • the adjustable thread deflection elements moved linearly by means of linear drives. This is a drive principle that has already proven itself in weaving machines for other purposes and high Adjustment speeds can be achieved with high adjustment precision.
  • the elastic damping force is control engineering simply generated via the electric drive, which can be adjusted with can control a higher adjustment current, hung for damping with a lower one Brake current is applied and then acts as an integrated spring.
  • a weft processing system in Fig. 1 is a weaving machine L with a Shed S indicated.
  • a weft thread is inserted into the shed S from a storage device E, while the other storage device E for the other weft W2 for caching another or the next entry with a predetermined length.
  • each storage device E Upstream and downstream of each storage device E is a controlled thread clamp 3 or 4 provided. If necessary, there is an additional one downstream of the thread clamp 4 controlled thread brake 5 arranged.
  • each storage device E a plurality of stationary thread deflecting elements 6 1 to 6 5 are arranged one behind the other in the direction of entry of each weft thread W1, W2.
  • a plurality of thread deflecting elements A to D adjustable transversely to the longitudinal direction of the thread are provided.
  • the thread deflecting elements are in the entry position II, in which they define an essentially stretched thread course.
  • the thread clamp 3 is closed.
  • the thread clamp 4 is open.
  • the entry device M has just entered the weft W1 into the shed S.
  • the controlled thread brake 5 (if present) has braked during the insertion process in order to bring about a predetermined braking effect which may vary via the insertion process.
  • the lower storage device E in FIG. 1 has brought the other weft thread W2 by moving the adjustable deflecting elements A to D into the storage position I in a zigzag-shaped thread course in order to store the thread length required for an entry.
  • the thread clamp 4 is closed and the thread clamp 3 is opened in order to pull off the weft thread W2 from the thread supply 2.
  • the adjustable thread deflecting elements A to E are expediently shifted from the entry position II into the storage position I, starting with the thread deflecting element D or C and D.
  • Each adjustable thread deflecting element A to D has its own drive 7 A , 7 B, or a common drive 7 C, D is provided for several adjustable thread deflecting element, as for the two thread deflecting elements C, D.
  • a thread tension damper Z is incorporated into each storage device E, which in the embodiment shown in FIG. 1 consists of the adjustable thread deflection element A, the stationary thread deflection element 6 2 , and a pretensioning element 8, here for example a tension spring (or the drive 7 A ) consists.
  • a tension spring or the drive 7 A
  • an elastic damping force R directed towards its storage position I is effective on the thread deflecting element A which is freely adjustable in the direction of its entry position II.
  • the adjustable thread deflection element A is a mechanical damping element N, which can be reset in the embodiment of FIG. 1 by the respective weft thread W1, W2 in a damping manner into the entry position II.
  • the thread clamp 3 is first closed and the thread clamp 4 opened. Then the adjustable thread deflecting elements A to D are successively and starting with the thread deflecting element D or C and D jointly adjusted from the storage position I to the entry position II, by means of their drives 7 A to 7 C, D , the insertion device M being the weft thread W2 begins to enter in the shed S. Assuming that the pretensioning element 8 generates the damping force R in FIG. 1, the drive 7 A releases the thread deflecting element A as soon as a predominant part of the stored thread length of the weft thread W2 has been entered.
  • the thread tension exerts a thread force F on the thread deflection element A, which acts in the direction of its insertion position II and overcomes the damping force R and adjusts the thread deflection element A to the insertion position II.
  • Energy is thereby consumed so that the expected stretching or whip effect in the thread at the end of the entry, caused by the momentary stopping of the weft thread W2 defined in the thread clamp 2 and pulled off by the weaving machine, is largely mitigated or eliminated.
  • the thread deflecting element A which is finally adjusted to the entry position II is held in position in the weft thread by the tensile force which is effective until the thread clamp 4 closes.
  • the drive 7 A then generates a holding force for the thread deflecting element A, although this is not absolutely necessary in these types of weaving machine.
  • a jet weaving machine F it is advantageous to prevent the thread deflecting element, which has been adjusted into the entry position II against the damping force R, at the end of the entry against a reversal of movement under the damping force R, in order not to retract the weft thread.
  • a mechanical safety device (not shown) or the drive 7 A can be used for this.
  • the damping force R is less than the thread force exerted by the thread on the thread deflecting element A. If the damping force R is generated by the drive 7 A , it is also lower than the thread force, so that the thread is able to force the thread deflecting element A under the damping effect to adjust to entry position II.
  • Damping delay means that the thread deflecting element A is forced into the entry position more slowly than it corresponds to the undamped thread insertion speed towards the end of the entry, so that the weft thread finally reaches the stretched thread course with a delay and is stopped at the closed thread clamp 3 and until then at least part of it the kinetic energy contained in the weft thread on the thread deflecting elements A and 6 2 has been consumed. In this way, a positive thread delivery takes place against the end of the input, under the action of the forcibly delayed return movement of the thread deflecting element A.
  • the adjustable thread deflecting element B is a pivot lever 9 which is attached to a drive shaft 10 of the drive 7B.
  • the drive 7B is a rotary drive G, for example a stepper motor, a rotary magnet or an electric motor.
  • the drive 7 B is able, for example, to generate torques + T B and -T B in both adjustment directions.
  • the length of the swivel lever 9 double arrow 12
  • the height position of the drive 7B can be changed and / or the swivel angle of the swivel lever 9 between the entry position II and the storage position I or I '.
  • the pivot lever 9 expediently carries a thread eyelet 11.
  • the pivot lever 9 could be designed as a straight rod. If the thread deflection element B is used as a component of the thread tension damper Z, then the pretensioning element 8 could act on the swivel lever 9. The drive 7B may then only need to generate the torque + T B , but not the torque -T B. If the thread deflection element B is not part of the thread tension damper Z, then the drive 7 B could only work in one direction of adjustment and against a return spring (not shown), which is responsible for the adjustment in the non-driven direction.
  • the adjustable thread deflecting element B in FIG. 2 is assigned the two stationary thread deflecting elements 6 2 and 6 3 , expediently thread eyelets in each case.
  • the stationary thread deflecting elements 6 2 and 6 3 could additionally be provided between two mutually adjustable thread deflecting elements B, C (FIG. 2).
  • the adjustable thread deflecting elements A to C are linearly movable rods 9 ", expediently equipped with thread eyelets which are adjusted by their drives 7 A to 7 C designed as linear drives H, either in both adjustment directions or only in the adjustment direction for the storage position 3, thread-deflecting elements B, C which can be adjusted in the same direction could each be provided with an intermediate stationary thread-deflecting element 6 3 , or only thread-deflecting elements A, B, which can be adjusted in pairs in opposite directions, or even adjustable in opposite directions into their storage positions Thread deflecting elements A and B, each with an intermediate stationary thread deflecting element 6 2.
  • the oppositely adjustable thread deflecting elements could also only serve as thread feeders to thread holders, for example according to FIG.
  • FIG. 4 shows a detail of a further embodiment of a memory device.
  • the course of the thread in the storage position is defined by stationary thread holders 13, each of which is assigned a thread deflection element B, which is adjustable for storage, as a thread feeder.
  • Transversely displaced stationary thread deflection elements could be assigned to the thread holders 13, analogously to the thread deflection elements 6 1 to 6 5 in FIG. 1.
  • the thread holders 13 could be lined up offset from one another together with adjustable thread deflecting elements working in opposite directions as thread feeders.
  • each thread holder 13 has an adjustable thread catcher 14, if necessary in the direction of a catch position acted upon by a spring 15, and abutment 17 and a trigger drive 16.
  • the adjustable thread deflection element B is moved laterally past the thread holder 13 so that the weft thread brought along W1 enters the abutment 17, slides under the thread catcher 14, and at Moving back the adjustable thread deflection element B held there.
  • the Catch hook 14 adjusted against the force of the spring 15 so that it is on the abutment 17th strips off the caught weft W and this is released for entry.
  • the thread tension damper (not shown) adjustable thread deflecting element, e.g. B, at abutment 17 ready to release Pick up the weft thread and dampen it until the entry position.
  • the storage device E in which the thread tension damper Z is the two contains first, adjustable thread deflecting elements A and B in the entry direction, upstream of the thread clamp 3, a thread delivery device 18, which carries the weft W1 withdraws from the thread supply 1 and on a storage body 20 for withdrawal provides substantially constant thread tension.
  • the thread delivery device 18 is of conventional design and has a winding element which can be driven in rotation 19 for winding the thread on the storage body 20 and optionally one Trigger brake 21.
  • the storage device E in Fig. 6 for the weft W1 is upstream of the thread clamp 3 also a thread delivery device 18 'in front of the thread from the thread supply 1 subtracts and on a storage body 20 'in adjacent turns ready for deduction with a substantially constant voltage level.
  • the Thread delivery device 18 ' is a so-called measuring delivery device with a stop device 22, which precisely measures the thread length to be subtracted.
  • the storage device C is the first adjustable thread deflection element A in the direction of entry, which by the elastic pretensioning force is applied, part of the thread tension damper Z.
  • the two adjustable thread deflecting elements C, D are formed by a common pivot lever 9 ', which is designed with two legs and is attached to the shaft 10 of the drive 7 C, D.
  • a stationary thread deflecting element 6 3 , 6 4 , and 6 5 is provided on each side of the pivot lever 9 'and between its legs.
  • the drive 7 C, D which can be a stepper motor, an electric motor or a rotating magnet G, is assigned an electrical or electronic control device P, via which the adjusting movements of the pivot lever 9 'can be controlled.
  • the drive 7 C, D expediently performs adjustment movements in both adjustment directions (torques T C, D and -T C, D ). However, it would also be conceivable to use the drive 7 C, D only to perform the actuating movement to the storage position II against a return spring, not shown.
  • the aforementioned embodiment could also be part of the thread tension damper Z, analogous to FIG. 5, used for the adjustable thread deflecting elements A, B. become.
  • the control device P would operate as indicated in FIG. 7A.
  • the admission current V or the adjustment path S of the swivel lever 9 'between the entry position II and the storage position I is plotted.
  • the horizontal axis is, for example, a time axis or represents the angle of rotation of the main shaft of the weaving machine.
  • the solid curve 23 represents the current applied to the drive during a storage process and a subsequent entry process.
  • the dashed curve 24 represents the actuating movement via a storage process and the subsequent entry process. According to curve 23, the current application is first controlled up to a maximum value V T in order to adjust the thread deflection elements A, B according to curve 24 into the storage position I.
  • a cylinder 26 is formed in a housing 25 and can be pressurized with compressed air via an inlet 27.
  • the inlet 27 is preceded by a control valve, not shown, which either connects the cylinder 26 to a pressure source or unloads directly or throttled.
  • a piston 28 can be moved in a sealed manner and has a longitudinal slot or groove 30 for an engagement element 29, which limits the stroke of the cylinder 28 and is responsible for securing it against rotation.
  • the piston 28 is extended by a rod 9 "which carries a fork 32.
  • a return spring 31 counteracts the pressurization of the piston 28 in the cylinder 26.
  • the stationary thread deflection elements 6 3 , 6 4 , 6 5 can also be arranged on the housing 25, which are assigned to the adjustable thread deflection elements C, D in order to define a total of five deflection points for the thread.
  • the control valve Connects the control valve, not shown, to relieve the cylinder 26 via a Throttle point e.g. with the outside atmosphere, then through the throttled outflow the compressed air from the cylinder 26 already produces the elastic damping force R, if the adjustable thread deflection elements, here C, D, part of the thread tension damper Z are.
  • the damping can be achieved through the interaction between the return spring 31 and a forced actuating movement for the entry position produce.
  • the function of the memory device E from FIG. 1 is explained with reference to FIG. 9.
  • the adjustment paths of the adjustable thread deflection elements A to D between the entry position and the storage position and vice versa are plotted on the vertical axis.
  • the horizontal axis is a time axis or represents the angle of rotation of the main shaft of the weaving machine.
  • the adjustable thread deflecting elements are successively adjusted to their storage positions I, starting with the thread deflecting element D.
  • the drive torques T D to T A become approximately analog to Fig. 2 generated.
  • the weft thread is stored with a zigzag thread course.
  • the entry begins at time X, the thread deflecting element D being adjusted first by the adjusting force -T D in the direction of the entry position II, and successively also the further adjustable thread deflecting elements C, B, and expediently with a temporal overlap ,
  • the thread deflection element A belonging to the thread tension damper Z is finally adjusted against the end of the insertion by the thread force F to the insertion position II because the damping force R is effective at least over a considerable part of the travel.
  • the thread deflecting element A has reached its entry position II (stretched thread course). It is then prevented either by the thread force F or by a holding force -T A from the drive 7 A from reversing the movement under the damping force R which still acts.
  • By delaying the movement of the thread deflecting element A kinetic energy is consumed in the thread, so that a stretching stroke or whip effect to be feared at the end of the insertion is weakened or no longer has an effect.
  • the adjustable thread deflecting element A of the thread tension damper Z is forcibly moved from the storage position I to the entry position II with a delay, a speed curve similar to that indicated in FIG. 9 on the far right results.
  • the thread deflecting element A is then adjusted at least over the largest part of its travel range by the driving force -T A , so that the thread entered has to follow the speed profile exactly and thereby emits energy.
  • FIG. 10 schematically illustrates the thread force or thread tension via an entry.
  • the thread tension increases sharply in accordance with curve 33 up to a maximum value and then remains approximately constant until it ends at the entry Y grows again extremely, namely in area K due to the stretching impact or whip effect when stopping the thread.
  • the curve area K is alleviated or completely eliminated.
  • Dashed lines indicate at Q, such as in a rapier weaving machine due to the transfer from the bringer gripper to the slave gripper the thread tension temporarily drops and rises again. In this case too, the harmful extreme voltage rise K becomes against the entry mitigated or largely eliminated.
  • both thread clamps 3, 4 can be opened, so that thread is drawn directly from the supply 1, 2 or their delivery device 18 can. Then it can be advantageous to use the controlled or passive one at the end of the entry To use thread brake 5 for thread control.

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  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

L'invention concerne un dispositif accumulateur (E) destiné au fil de trame (W1, W2) d'un métier mécanique (L) dans lequel plusieurs éléments de déviation de fil (A à D, 61à 65) sont disposés le long de la trajectoire du fil allant d'une réserve de fil (1, 2) à un dispositif d'insertion (M), au moins un de ces éléments peut être déplacé, par rapport à au moins un autre élément, transversalement au sens longitudinal du fil, entre une position d'insertion, le fil étant alors sensiblement tendu, et une position d'accumulation (1), le fil étant alors en zigzag. Le dispositif présenté comporte un dispositif de réglage pourvu d'au moins un entraînement (7A à 7D), qui est en liaison d'entraînement avec chaque élément de déviation de fil déplaçable. Dans le dispositif accumulateur (E) est incorporé un amortisseur de tension de fil (Z) qui présente, en tant qu'élément d'amortissement (N) pouvant revenir élastiquement à sa position de départ lorsqu'il est soumis à une tension du fil, en direction de l'extrémité d'insertion, au moins le premier élément de déviation de fil (A) déplaçable dans le sens d'introduction du fil.

Claims (14)

  1. Dispositif accumulateur (E) pour le fil de trame (W1, W2) d'un métier à tisser (L), en particulier d'un métier à tisser à buses, à crochet ou à projectiles, avec plusieurs éléments de renvoi de fils (A à D, 61 à 65) disposés le long du trajet du fil depuis une réserve de fil (1, 2) jusqu'à un dispositif d'alimentation (M) du métier à tisser et entre des freins de fils (3, 4, 5) se trouvant en amont et en aval, dont au moins un élément de renvoi de fil (A à D) peut être ajusté transversalement à la direction longitudinale du fil par rapport à au moins un autre élément de renvoi de fil (61 à 65 ; D à A) entre une position d'alimentation (II) avec un cheminement sensiblement tendu du fil et une position d'accumulation (I) avec un cheminement sensiblement en zigzag du fil et avec un dispositif d'ajustement comprenant au moins un entraínement (7A à 7D), qui est en liaison d'entraínement avec l'élément de renvoi de fil ajustable, caractérisé en ce que dans le dispositif accumulateur (E) est formé, en tant qu'élément d'amortissement mécanique (N) d'un amortisseur de tension de fil (Z) pour le fil de trame (W1, W2) pouvant être rappelé de manière amortie en direction de sa position d'alimentation (II), au moins un élément de renvoi de fil ajustable (A, B).
  2. Dispositif accumulateur selon la revendication 1, caractérisé en ce que, lors de son rappel vers la position d'alimentation (II), l'élément de renvoi de fil ajustable (A, B) est soumis, dans le sens opposé à la force du fil (F) résultant de la tension du fil, à un effort d'amortissement souple (R), par exemple d'un ressort.
  3. Dispositif accumulateur selon la revendication 1, caractérisé en ce que l'élément de renvoi de fil ajustable (A, B) peut être rappelé par contrainte en direction de la position d'alimentation (II) avec une temporisation d'amortissement prédéterminée, et ceci de préférence au moyen de l'entraínement (7A, 7B).
  4. Dispositif accumulateur selon la revendication 1, caractérisé en ce que l'amortisseur de tension de fil (Z) comprend le premier élément de renvoi de fil (A, B) en direction d'alimentation du fil ou plusieurs de ces éléments prévus initialement en direction d'alimentation du fil.
  5. Dispositif accumulateur selon la revendication 2 ou 3, caractérisé en ce que l'ampleur et/ou le cheminement de la force d'amortissement (R) ou de la temporisation d'amortissement peut (peuvent) être ajusté(s) ou modifié(s) par l'intermédiaire du trajet d'ajustement de l'élément de renvoi de fil (A, B).
  6. Dispositif accumulateur selon la revendication 2, caractérisé en ce que l'élément de renvoi de fil (A, B) peut être bloqué au moins par moments à peu près dans la position d'alimentation (II) contre un retour de mouvement en direction de la position d'accumulation (I), et ceci de préférence à l'extrémité d'alimentation et à l'aide de moyens mécaniques, pneumatiques, électriques ou électromagnétiques.
  7. Dispositif accumulateur selon la revendication 1, caractérisé en ce que la réserve de fil est disposée sur un corps d'accumulation (20, 20') d'une unité de fourniture de fil (18, 18') maintenant automatiquement une quantité de réserve prédéterminée, de préférence sur une unité de fourniture de mesure avec un dispositif d'arrêt (22) pour libérer respectivement une longueur de fil prédéterminée.
  8. Dispositif accumulateur selon la revendication 1, caractérisé en ce que plusieurs éléments de renvoi de fil fixes (61 à 65) et plusieurs éléments de renvoi de fil (A à D) pouvant être déplacés dans le même sens par rapport aux éléments de renvoi de fil fixes ou des éléments de renvoi de fil (A, B ; C, D) ne pouvant être déplacés que par paires en sens opposé les uns par rapport aux autres ou des éléments de renvoi de fil (A, B, C) pouvant être déplacés par paires en sens opposé les uns par rapport aux autres, avec respectivement un troisième élément de renvoi de fil fixe (63) entre deux éléments de renvoi de fil ajustables, sont prévus.
  9. Dispositif accumulateur selon la revendication 1, caractérisé en ce que pour la position d'accumulation (I), des porte-fils stationnaires et pouvant être desserrés de manière pilotée (13), avec lesquels au moins un élément de renvoi de fil ajustable (B) est en interaction en tant que dispositif d'amenée du fil, sont prévus.
  10. Dispositif accumulateur selon au moins l'une des revendications 1 à 12, caractérisé en ce que l'amortisseur de tension de fil (Z) comprend les éléments de renvoi de fil (A, B), qui sont les premiers en direction d'alimentation du fil et qui peuvent être ajustés par paires, ainsi que trois éléments de renvoi de fil stationnaires (61 à 63).
  11. Dispositif accumulateur selon au moins l'une des revendications précédentes, caractérisé en ce que l'élément de renvoi de fil ajustable (A à D) est un levier de pivotement (9, 9') couplé avec un entraínement rotatif (G), tel qu'un moteur pas à pas, un aimant tournant ou un actuateur.
  12. Dispositif accumulateur selon la revendication 11, caractérisé en ce que le levier de pivotement (9') est un étrier à plusieurs branches, dont les branches définissent les éléments de renvoi de fil (C, D).
  13. Dispositif accumulateur selon au moins l'une des revendications précédentes, caractérisé en ce que l'élément de renvoi de fil ajustable (A à D) est une barre déplaçable dans le sens linéaire (9") et est relié avec un entraínement linéaire (H), tel qu'un aimant linéaire, un moteur linéaire, un actuateur linéaire ou une unité pneumatique à cylindre et piston.
  14. Dispositif accumulateur selon au moins l'une des revendications précédentes, caractérisé en ce que, dans le cas d'un entraínement par moteur électrique ou électromagnétique (G, H), la force d'amortissement souple (R) peut être produite par application d'un courant de freinage au moyen d'un dispositif de commande correspondant (P).
EP98966299A 1997-12-11 1998-12-11 Dispositif accumulateur Expired - Lifetime EP1038061B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19755160A DE19755160A1 (de) 1997-12-11 1997-12-11 Speichervorrichtung
DE19755160 1997-12-11
PCT/EP1998/008093 WO1999029945A1 (fr) 1997-12-11 1998-12-11 Dispositif accumulateur

Publications (2)

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EP1038061A1 EP1038061A1 (fr) 2000-09-27
EP1038061B1 true EP1038061B1 (fr) 2003-03-19

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EP98966299A Expired - Lifetime EP1038061B1 (fr) 1997-12-11 1998-12-11 Dispositif accumulateur

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EP (1) EP1038061B1 (fr)
DE (2) DE19755160A1 (fr)
WO (1) WO1999029945A1 (fr)

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CN103738792A (zh) * 2014-01-21 2014-04-23 北京亨通斯博通讯科技有限公司 小规格线缆成盘张力控制设备
CN103738793A (zh) * 2014-01-21 2014-04-23 北京亨通斯博通讯科技有限公司 小规格线缆成盘方法

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SE0100509L (sv) * 2001-02-16 2002-02-05 Texo Ab Förfarande och anordning för att längdmäta och magasinera tråd vid väv- eller textilmaskiner
DE102005010534A1 (de) * 2005-03-04 2006-09-07 Ontec Elektro- Und Steuerungstechnik Gmbh Schussfadenzuführvorrichtung für Webmaschinen, insbesondere Greiferwebmaschinen
CN108290699B (zh) * 2015-11-11 2019-10-11 P.T.M.T.有限责任公司 用于在织机中供应纬纱的受控系统
ITUB20155496A1 (it) * 2015-11-11 2017-05-11 Pezzoli Miria Sistema controllato di alimentazione di filo di trama in un telaio
CN106087208B (zh) * 2016-08-31 2018-02-06 江苏恒神股份有限公司 碳纤维织造用具有展纤功能周向退绕储纬器
CN107541830B (zh) * 2017-08-15 2019-03-08 张家港思淇科技有限公司 一种纱线及成纱工艺及防护性纺织品及编织方法和设备
CN109626118B (zh) * 2019-03-03 2020-10-20 常山航翔纺织有限公司 一种便于调节张紧度的纺织生产用卷线机及使用方法

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CH407904A (de) * 1964-01-23 1966-02-15 Sulzer Ag Greiferschützenwebmaschine mit Schussfadenspeichervorrichtung
AT264408B (de) * 1965-10-05 1968-08-26 Sulzer Ag Schußfadenspeichervorrichtung
DE3202229A1 (de) * 1981-06-25 1983-01-13 Bernd Dipl.-Ing. 8000 München Scheffel Verfahren und vorrichtung an webmaschinen zum zufuehren des schussfadens
FR2681613A1 (fr) * 1991-09-20 1993-03-26 Belmont Ateliers Tendeur de fil pour machines textiles tels qu'ourdissoirs.
DE4131652A1 (de) * 1991-09-23 1993-04-01 Iro Ab Webmaschine und eintragbremse fuer webmaschinen

Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN103738792A (zh) * 2014-01-21 2014-04-23 北京亨通斯博通讯科技有限公司 小规格线缆成盘张力控制设备
CN103738793A (zh) * 2014-01-21 2014-04-23 北京亨通斯博通讯科技有限公司 小规格线缆成盘方法
CN103738792B (zh) * 2014-01-21 2016-04-13 北京亨通斯博通讯科技有限公司 小规格线缆成盘张力控制设备
CN103738793B (zh) * 2014-01-21 2016-09-21 北京亨通斯博通讯科技有限公司 小规格线缆成盘方法

Also Published As

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DE59807587D1 (de) 2003-04-24
WO1999029945A1 (fr) 1999-06-17
DE19755160A1 (de) 1999-06-17
EP1038061A1 (fr) 2000-09-27

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