EP0926089A1 - Fournisseur de fil - Google Patents

Fournisseur de fil Download PDF

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Publication number
EP0926089A1
EP0926089A1 EP98124613A EP98124613A EP0926089A1 EP 0926089 A1 EP0926089 A1 EP 0926089A1 EP 98124613 A EP98124613 A EP 98124613A EP 98124613 A EP98124613 A EP 98124613A EP 0926089 A1 EP0926089 A1 EP 0926089A1
Authority
EP
European Patent Office
Prior art keywords
delivery device
display
teeth
characters
thread delivery
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
EP98124613A
Other languages
German (de)
English (en)
Other versions
EP0926089B1 (fr
Inventor
Stig-Arne Blom
Kurt Arne Gunnar Jacobsson
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.)
Iropa AG
Original Assignee
Iro Patent AG
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 Iro Patent AG filed Critical Iro Patent AG
Publication of EP0926089A1 publication Critical patent/EP0926089A1/fr
Application granted granted Critical
Publication of EP0926089B1 publication Critical patent/EP0926089B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D03D47/364—Yarn braking means acting on the drum
    • 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
    • D03D47/364—Yarn braking means acting on the drum
    • D03D47/366—Conical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2551/00—Means for control to be used by operator; User interfaces
    • B65H2551/20—Display means; Information output means
    • B65H2551/22—Numerical displays

Definitions

  • the invention relates to a thread delivery device according to the preamble of the claim 1.
  • Thread delivery devices known from US-A-5 211 207, US 5 316 051 and DE-A-41 39 583, respectively point to a housing boom, in which a cooperating with the storage drum Thread brake element of a thread brake by turning the Screw spindle is adjustable by means of a rotary knob, as an optical display device a stationary scale and a pointer. You can also use the rotary knob a symbol indicate the direction of rotation of the screw spindle Braking effect of the thread brake is increased or decreased.
  • the display device shows the respective actual position of the component, e.g. of the braking element.
  • the invention has for its object a yarn delivery device of the aforementioned Way of creating a quick and precise setting or reproduction various settings of the component that can be adjusted with the adjustment device is possible.
  • the display device no longer directly visualizes the actual position of the component shown, but the extending over several full revolutions Rotary movement of the screw spindle divided into individual, relatively small segments that are not only clearly legible in the display arrangement, but due to the logic in the character sequence also provides information about what is required for an adjustment Specify the direction of rotation of the screw spindle.
  • the number of characters in the character sequence can the resolution of the stroke of the component in terms of Design the desired precision.
  • the actuating stroke of the component is shown in the display arrangement spread to any number of characters, which can be read individually are and make it possible to use certain signs or Character combinations precisely set any position of the component or reproduce settings precisely.
  • the user of the thread delivery device will enabled by the display device to make its own recorded setting values to visit again quickly and without any auxiliary measures or as specified by the manufacturer Recommendations to consider.
  • the display device increases operational safety of the thread delivery device because incorrect settings are avoided, and offers the prerequisite, the thread delivery device each with an optimal setting to let the component work. Thanks to the spread resolution of the stroke With clearly distinguishable characters, readjustments are also convenient carry out, among other things because even very small movements of the component can be clearly read are.
  • the thread translation between the stroke of the Component and the screw spindle also used to make very small adjustment movements to convert into significantly larger rotation angle steps.
  • the characters move around the axis of the screw and relative to the display arrangement from which reading is carried out, preferably according to claim 4 with different speeds to make steps or characters each with clearer To achieve meaningfulness.
  • the characters within the Character sequence either in steps or continuously, i.e. without optically recognizable Steps, slowed down and essentially presented individually.
  • the switching mechanism makes a slow translation, so that e.g. full, revolutions of the screw spindle, clearly distinguishable and display individually readable.
  • the total stroke of the component is divided in this way into equally large setting steps.
  • a uniform increase or decrease or even one proportional increase or decrease in increments between characters within the sequence provided This allows, for example, an uncritical initial one Represent the setting range of the component more coarsely, however, a critical setting range the component, e.g. the actual braking area with a thread brake, with higher Represent resolution.
  • the embodiment according to claim 8 is structurally simple.
  • the increments of one Characters representing full rotation move with the screw spindle on a circular path and relative to the display arrangement, which is at or in the circular path lies and the characters representing, for example, full revolutions in succession represents.
  • the combinations of both characters in turn result in a logical one Sequence.
  • the characters are represented by means of a counter, which by the screw spindle, e.g. is switched via the stepping mechanism.
  • each incremental encoder is scanned and transmitted to the counter that represents the anonymous angle of rotation Signals represents the logical character sequence.
  • the display arrangement is a common LCD or today LED display used.
  • the display arrangement is arranged either in the turning handle, so that it can be easily read optically while turning, or according to claim 13, the display arrangement at a suitable point on the thread delivery device, expediently arranged in the component to be adjusted, in order to be able to read it comfortably when setting.
  • the characters are consecutive with a regular measure Letters and / or numbers.
  • the logic of the sequence or two for combinations is that the numbers and / or Letters follow the alphabet or the decimal number system, so that when a number or a letter is represented it is already clear is which number or letter the next or previous one is.
  • a resolution of the actuating stroke is achieved with the very to make small settings precisely or to set the desired setting values precisely and are quickly reproducible.
  • the actuation of the display device is structurally simple and reliable way.
  • the increments representing characters are with the rotary movement of the rotating handle past the display window or in the display window emotional.
  • the indicator ring on the other hand, either becomes slower or only in Steps rotated by e.g. a sign representing a full revolution bring in the display window, so that from the combination of the two characters the respective position of the component can be read precisely.
  • a forced adjustment of the Indicator rings achieved in precisely predetermined steps.
  • the peripheral wall In the area of the shorter Zahnes locks the peripheral wall as long as the shift pinion against an uncontrolled one or accidental rotation until the free space has reached the shift pinion and at the same time the tooth segment engages again in the teeth of the shift pinion.
  • the blocking effect of the peripheral wall is eliminated and the shift pinion can be used turn further to move the indicator ring one step further.
  • the desired translation of the rotary movement of the indicator ring achieved in slow.
  • one is sufficient, for example, for adjusting a thread brake precise resolution achieved because the turn handle turns one full turn the indicator ring is turned three teeth.
  • each position can be set by the rotary locking hold. Furthermore, the rotary latching simplifies the correct alignment of a Character on the rotary handle with the display window or the pointer, i.e. With the character then simultaneously placed in a dominant position on the display ring, which, for example, represents a certain full rotation of the turning handle.
  • the characters on the conical ring surfaces are shown in a manner that is easy to read which makes the rotary handle and the display device easy to use is guaranteed.
  • a thread delivery device F in FIG. 1 has a storage drum 1 and a winding element 2 on that to form a thread supply from adjacent turns are rotatable relative to each other on the storage drum 1.
  • a component K of the thread delivery device F is a thread brake B, which in the embodiment shown cooperates with the storage drum 1 to pull the thread to control and the most uniform possible tension in the thread downstream to hold the thread delivery device.
  • the thread is fed in from Fig. 1 and occurs through the winding member 2, through which it winds on the storage drum 1 is filed.
  • the windings are moved from left to right in Fig. 1.
  • the thread is then passed through the thread brake B from the thread supply withdrawn via a pull-off eye 3 approximately in the direction of the axis of the storage drum 1.
  • the thread delivery device F is used to deliver a weft thread to a weaving machine, not shown.
  • the braking effect of the thread brake B can be adjusted by means of an adjusting device V, for example, by changing their axial relative position relative to the Storage drum 1.
  • a housing bracket 4 of the yarn delivery device F is a holder 5 for the component K linearly adjustable, for example by means of a piston 6 in a cylinder 7.
  • the axial position of component K is adjustable by means of the adjusting device V, which has a screw 8 with an external thread 10, which in an internally threaded section 9 of the piston 6 forming a threaded nut is.
  • the screw 8 is supported in the axial direction and around her Axis rotatably arranged in a bearing section 12 of the boom 4.
  • an adjusting sleeve 13 between the Storage 12 and the screw 8 may be provided, for example, to the Component K quickly over a large stroke from the braking position shown to the right in a lifting position lifted from the storage drum 1.
  • the sleeve 13 can have a circumferential spiral groove into which an engagement element 14 engages.
  • a rotary handle D e.g. a rotary knob
  • an optical display device A which has a stepping mechanism M contains.
  • a rotary catch 11 for the rotary handle E be provided to feel this over every full turn To be able to set latching resistance in predetermined positions.
  • the display device A with the stepping mechanism M is used for the Rotary movement of the rotary handle D characters can be read in a display arrangement E. to represent, each indirectly a predetermined position of the component K corresponds.
  • the axial relative position is not directly in the display device A. the component K shown opposite the storage drum 1, but in each Setting the turning handle D a specific turning position of the screw spindle 8 within the entire adjustment stroke of component K or at least within one of the partial stroke of the total setting stroke that is important for setting the thread brake B.
  • the quick adjustment mechanism 13, 14 changes the one set by the particular one and shown on the display device A axial distance between the rotary handle D and the internal thread section 9 or component K not because such a quick adjustment, the entire adjustment device V along the boom 4 is moved. This means that after resetting the quick adjustment 13, 14 shifted component K to the original position the original Setting the component K according to that shown in the display device The rotary position of the rotary handle D is again present.
  • FIG Adjustment device with its display device A explained, similar to that in Fig. 1 only schematically indicated display device A.
  • Fig. 2 no quick adjustment device (13, 14, as in Fig. 1) is provided, although this would be possible.
  • the screw spindle 8 (a thread-free section thereof) is rotatably supported directly in the bearing 12 or 13.
  • the rotary handle D carries on one end Tapered ring surface 15 characters 16, for example with the same circumferential spacing, one logical character sequence (letters and / or numbers). Under a logical character sequence are, for example, the numbers 1 to 7 or 1 to 10 or the like Letters A to G or A to J, or even more, to understand.
  • the sequence of characters could also consist of fractions or comma numbers, letter and number combinations or combinations of letters.
  • the jumps between successive characters could be greater than one's jumps, e.g. with a number sequence of 1, 3, 5, 7 or a letter sequence A, C, F and the like.
  • the character sequence could give direct indications of the braking effect, e.g. in a character sequence of 5g, 10g, 15g and the like.
  • the stepping mechanism M in the embodiment shown outside of Rotary catch 11 contains the following components: an approximately radial end wall 17 the rotary handle D, a recessed free space 18 in the end wall 17, one on the outer circumference the rotating handle D attached tooth segment Z, an approximately to the axis the screw spindle 8 radially arranged switching pinion R with a circumferential toothing from longitudinal teeth 19 and stub axles 20, a circumferential toothing 21 in one bridging the gap between the rotary handle D and the bearing 12 Indicator ring S, and the indicator ring S itself.
  • the indicator ring S is overlapped on the outside by a ring element 24, which is stationary is mounted and has a display window 25 in a front conical ring surface. Instead of the display window 25 and part 24, a stationary pointer (not shown) in the area in which the display window 25 lies.
  • a front Tapered ring surface 22 of the indicator ring S are characters distributed in the circumferential direction 23 in a likewise logical character sequence and, for example, in the same Circumferential distances provided. The same applies to the character sequence for this character sequence of the characters 16 said.
  • the toothed segment Z which is integral with the rotary handle D can be formed, for example, three teeth 26, the combs of about the end wall 17 are flush.
  • Has the free space 18 below the toothed segment 26 a circumferential extent that roughly coincides with the circumferential extent of the tooth segment Z matches.
  • the shift pinion R has, for example, six teeth 19, wherein two successive long teeth 19 'are provided on each one shorter tooth 19 "follows. Below each shorter tooth 19" is thus along the Axis 20 of the switching pinion R a tooth-free section 27 is provided. Appropriately there are a total of six teeth 19. The upper parts of all teeth 19 are for Intervention in the toothing 21 determined.
  • the middle parts of all teeth 19, however, are intended for engagement in the tooth gaps of the tooth segment Z.
  • Below the Parts of the longer teeth 19 'lying in the tooth segment Z can only be engaged of the toothed segment rotate in the free space 18 until after the toothed segment has passed the toothless section 27 faces the free space 18.
  • the Shift pinion R in which the tooth-free section 27 faces the free space 18, engages the passage of the tooth segment through the tooth gaps between the teeth 19 the end wall 17 into the toothless section 27 until after one full revolution again the tooth segment Z in the next tooth gaps of the shift pinion R will intervene.
  • the engagement of the end wall locks over this almost full rotation 17 in section 27 an unwanted or unwanted rotation of the Switch pinion or the indicator ring S.
  • the characters 16 represent the same increments of a full Rotation of the screw 8, during which each character 23 then one full revolution of the screw spindle 8 represents when this sign in the display window 25.
  • the total turning adjustment range of the rotary handle D in individually precisely adjustable and reproducible setting positions divided at any time, with each character combination from the characters 16 and 23 in the radial position of the display window 25 a certain Axial position of component K corresponds.
  • the screw 8 with the component K and by the switching mechanism M. the axial adjustment stroke of component K, so to speak, to many clearly distinguishable from each other Character combinations extended. Because every combination of characters only once can occur, certain setting positions of component K are exact adjustable and reproducible.
  • Fig. 4 is a front view of a yarn delivery device F (front end of the boom 4) shown with a further embodiment of a display device A.
  • a display arrangement E the display window 25 'in a housing 28 provided, in which both characters 23, 16 can be read directly next to one another being represented.
  • these are the numbers “3” and “7”.
  • the display window 25 'could for example, be a mechanical or electrical one Belong to counter W, which is operated by the rotary handle D and upwards or counts down.
  • a stepping mechanism M used to move the characters 23 representing full revolutions, while the characters 16 represent the increments of every full revolution, can be tapped directly from the rotary movement of the rotary handle D.
  • the counter W could also contain an integrated switching mechanism and only respond to the increments.
  • the housing 28 of the display arrangement E could also be in a different position the front of the boom 4, or, as shown in dashed lines, above on or on the side of the boom 4, conveniently near the Component K, so that when adjusting component K with a view of this at the same time the combination of characters can be read in the display device A.
  • Fig. 4 schematically illustrates a further embodiment, in which by means of a LCD or LED displays in the display window 25 'the characters are shown.
  • the Rotary handle D or screw spindle 8 are connected to increment encoders G, e.g. Permanent magnets or the like.
  • increment encoders G e.g. Permanent magnets or the like.
  • a stationary scanning member T is aligned, the signals to the electronically or electrically trained Counter W are forwarded, the logical character sequence from the signals or represents the logical character sequences.
  • the rotary handle D could be a simple one two-digit or multi-digit counter, for example as a bicycle odometer or used as a push button operated hand counter in industry be, at a suitable point in the rotary handle D or directly at the Screw 8 arranged.
  • the screw 8 or the rotary handle D has protrusions or teeth distributed over the circumference that pass the actuator the counter by one step each.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Transmission Devices (AREA)
  • Mechanical Control Devices (AREA)
EP98124613A 1997-12-23 1998-12-23 Fournisseur de fil Expired - Lifetime EP0926089B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19757608A DE19757608A1 (de) 1997-12-23 1997-12-23 Fadenliefergerät
DE19757608 1997-12-23

Publications (2)

Publication Number Publication Date
EP0926089A1 true EP0926089A1 (fr) 1999-06-30
EP0926089B1 EP0926089B1 (fr) 2003-03-26

Family

ID=7853225

Family Applications (1)

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EP98124613A Expired - Lifetime EP0926089B1 (fr) 1997-12-23 1998-12-23 Fournisseur de fil

Country Status (2)

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EP (1) EP0926089B1 (fr)
DE (2) DE19757608A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006032343A1 (fr) * 2004-09-20 2006-03-30 Iro Ab Dispositif d'avance de fil
CN115161855A (zh) * 2017-08-08 2022-10-11 范德威尔瑞典公司 可调式纱线制动器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113981574B (zh) * 2021-10-29 2022-08-09 巢湖市华锦纺织有限公司 一种低磨损细纱机涨力盘

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139583A1 (de) * 1990-12-21 1992-07-02 Ichikawa Iron Works Co Kettfadenzufuehrung fuer webmaschinen
EP0534263A1 (fr) * 1991-09-20 1993-03-31 L.G.L. ELECTRONICS S.p.A. Frein de fil à ajustage automatique pour un fournisseur de trame
EP0622485A1 (fr) * 1993-04-08 1994-11-02 L.G.L. ELECTRONICS S.p.A. Dispositif de freinage modulé du fil pour fournisseurs de trame
EP0826619A1 (fr) * 1996-09-03 1998-03-04 L.G.L. Electronics S.p.A. Moyen de retenue à démontage rapide pour le support de frein des fournisseurs de trame pour machine textiles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139583A1 (de) * 1990-12-21 1992-07-02 Ichikawa Iron Works Co Kettfadenzufuehrung fuer webmaschinen
EP0534263A1 (fr) * 1991-09-20 1993-03-31 L.G.L. ELECTRONICS S.p.A. Frein de fil à ajustage automatique pour un fournisseur de trame
EP0622485A1 (fr) * 1993-04-08 1994-11-02 L.G.L. ELECTRONICS S.p.A. Dispositif de freinage modulé du fil pour fournisseurs de trame
EP0826619A1 (fr) * 1996-09-03 1998-03-04 L.G.L. Electronics S.p.A. Moyen de retenue à démontage rapide pour le support de frein des fournisseurs de trame pour machine textiles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006032343A1 (fr) * 2004-09-20 2006-03-30 Iro Ab Dispositif d'avance de fil
CN115161855A (zh) * 2017-08-08 2022-10-11 范德威尔瑞典公司 可调式纱线制动器

Also Published As

Publication number Publication date
EP0926089B1 (fr) 2003-03-26
DE19757608A1 (de) 1999-06-24
DE59807642D1 (de) 2003-04-30

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