WO2005061358A1 - Fadenmessliefergerät - Google Patents
Fadenmessliefergerät Download PDFInfo
- Publication number
- WO2005061358A1 WO2005061358A1 PCT/EP2004/007444 EP2004007444W WO2005061358A1 WO 2005061358 A1 WO2005061358 A1 WO 2005061358A1 EP 2004007444 W EP2004007444 W EP 2004007444W WO 2005061358 A1 WO2005061358 A1 WO 2005061358A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thread
- support
- delivery device
- storage body
- thread measuring
- Prior art date
Links
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
- D03D47/367—Monitoring yarn quantity 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
- D03D47/362—Drum-type weft feeding devices with yarn retaining devices, e.g. stopping pins
Definitions
- the invention relates to a Fadenmessunter réelle according to the preamble of claim 1.
- Fadenmessunterieri be used on jet looms, in particular air jet looms to deduct weft thread material from a thread store, temporarily store on the storage body in adjacent or separated windings to promote the stored thread windings towards the front end of the storage body, for each entry process only a number determined by the stop to release turns on the trigger, initiate the shot, and finally, for example stop the shot by means of the stopping device.
- yarn measuring devices are known WO-A-02/33157, which have a storage body with extremely small diameter and a stop device with a stop pin, which measures the respective number of thread turns to be released for withdrawal and ends the shot, while arranged in the withdrawal direction in front of the storage body , controlled thread clamp initiates each shot.
- the turns formed by the take-up on the storage surface are successively pushed forward, while they move the stop pin to a predetermined end position. Since each shot is initiated by the controlled thread clamp and the front end of the storage body is just past the end position of the stop pin, multiple thread bindings are released across the front end in a tubular configuration until the start of the next shot, up to and during the shot inner support so to speak, remain free in the room and then pulled back to the stop pin back.
- the invention has for its object to provide a Fadenmesstrade réelle, in the operation with high firing frequency and firing speed looping is reliably avoided.
- the extension part provides the thread turns before and during the shot only a local inner support.
- the support and the counter surface converging to the support cause each Fadenwindung free on the front end of the storage body practically almost only selectively supported on the support, while the trigger over the rest of their 360 ° extension without any inner support and without balloon effect inside in Essentially to extend the axis of the storage body is pulled.
- the friction on the support and caused by the support during the withdrawal movement irregularity in the yarn path lead surprisingly reliable that each foremost Fadenwindung separated and withdrawn alone. This eliminates the risk of looping.
- the oblique mating surface further prevents turns from being tightened on the extension portion, as each contracting turn is deported by the slope of the mating surface from the extension portion.
- the mating surface may begin at the outer diameter of the storage body.
- the extension part is a kind of right-angled triangle, eg as a two-dimensional flat surface or only of rods which define a catheter and the hypotenuse of the at least substantially right-angled triangle.
- each thread turn riding on it is supported by the central overhead position of the support so that it can not rotatably shift about the axis of the storage body.
- Line contact between the turns of thread and the support is sufficient to provide the required suspension support, and also results in low frictional resistance to the turns of thread. Nevertheless, it is even possible to use flat or broader conditions, such as to keep the thread turns wide open by taking advantage of the natural curvature storage capacity of the thread material.
- the extension part could e.g. Alternatively take a 9 o'clock position on the storage body.
- the storage surface of the storage body is defined by outer surfaces about the axis with spaces of distributed fingers.
- the fingers end, preferably, freely at the front end of the storage body.
- the overlay of the extension extends the outer surface of one of the fingers. It is advantageous if there is no tangible transition between the support and the outer surface of the finger.
- extension part extends the outer surface of the finger, should be appropriate attached directly to the finger.
- extension part is even formed integrally with the finger.
- the extension part could additionally be supported on the storage body, for example on a diametrically opposite other finger.
- extension part Since different shapes of the extension part may provide optimal effect for different thread materials, it is expedient if the extension part is mounted exchangeably on the storage body against another extension part formed with a different shape.
- the extension part is a rod, e.g. made of plastic or wire.
- a blade could be provided, the cutting edge or back forms the support.
- the oblique mating surface which shunts contracting turns of thread from the extension part, is expedient even incorporated into the extension part.
- the extension part may be a slate cone or truncated cone.
- the base diameter of the cone or truncated cone may be smaller than the diameter of the front end of the storage body. Then each thread turn reaching the overlay relaxes immediately over most of its 360 ° extension.
- the cone or truncated cone forms both the support and the counter surface.
- a cone or truncated cone as an extension part could have a straight, convex or concave generatrix.
- the extension part could also be a hollow body with upper and lower narrow sides and a rectangular or oval cross-section.
- the cross-sectional width should correspond at least to the width of the outer surface of the finger from which the extension part extends.
- the support can be conveniently formed by a narrow side of the hollow body, this narrow side should be either slightly curved or rounded in the middle area flat and rounded at the edges.
- the opposite narrow side of the hollow body forms in the withdrawal direction obliquely to a tip region of the hollow body rejecting counter surface.
- the mating surface could begin within the outer diameter of the storage body, if space is needed in this area for other thread control members of the Fadenmessrierilless.
- the support may be parallel or converging to the axis. A certain convergence or falling curvature may facilitate forward feeding of the turns of thread and / or the consumption of turns of thread on withdrawal.
- the mating surface has an end portion approximately parallel to the axis of the storage body, the tendency of the loosened turns of thread to lift off the support during withdrawal is alleviated.
- the stop pin entrained by the thread windings does not interfere with the correct arrangement of the thread windings on the upper side of the storage body and on the support, it is expedient to provide the stop pin on a point of the storage body lying below in relation to the direction of gravitation ,
- the stop pin expediently cooperates with the finger, which lies diametrically opposite the finger extended by the rest.
- the extension part should have a geometric shape, which ensures that at the end of the withdrawal process extending thread in no case gets caught on the extension part, but freed from the extension part and extends directly to the stop pin.
- stop pin which is arranged in and against the withdrawal direction and radially movable, engages in a guide slot of the storage body, which defines the end position of the stop pin in the thread turns caused by the movement of the stop pin, in which the stop pin the entry process completed.
- a controlled thread clamp downstream of the front end of the storage body is appropriate.
- the cover surface is arranged to be yielding outwards and defines a thread turn control gap with the outer surface of the finger and the support. In this gap, the turns of thread are arranged next to each other in order and guided while pushing.
- the cover surface is elastically biased from the outside against the outer surface of the finger and the support. Irregularities in the thread and / or knots can thus happen unhindered.
- the cover surface In order to shift the thread windings in a controlled manner along their path from the finger to the support surface, it is expedient for the cover surface to extend beyond the end of the support, starting at a distance from the take-up element along the finger and the support. In the region in which the cover surface extends beyond the end of the support, the cover surface suppresses the tendency of the released turns to ascend upon withdrawal.
- the cover surface is formed by the underside of a spring element. This can be flat or rod-shaped or linear.
- the spring element is a leaf spring, which is resiliently held in a stationary support.
- the leaf spring is resiliently deflectable about a tilt axis, which extends approximately parallel to the storage body axis and laterally offset from the contact region between the leaf spring and the support is arranged.
- the leaf spring is fixed in the support with at least one spring body, which provides for the positioning of the leaf spring and allows their easy evasive movement.
- the leaf spring expediently has at least one end, preferably the end facing the winding element, a bend oriented away from the storage body. This allows a gentle entry of the thread turns in the control gap and prevents the risk that thread turns accumulate on the leaf spring.
- FIG. 1 is a schematic perspective view of a Fadenmessunterös with an extension part having, stationary storage body
- FIG. 2 shows another embodiment of a storage body provided with the extension part
- FIG. 4 is a perspective view of a concrete embodiment of a yarn measuring device
- Fig. 6 is a perspective view of another embodiment
- Fig. 9 is a section in the plane IX-IX in Fig. 8, and
- a shown in Fig. 1 Fadenmesstruckêt F approximately corresponding to the well-known from WO-A-02/33157 measuring device, has a not shown drive motor for a take-up 2 containing housing 1, on which a storage body K is arranged stationary to its in Substantially cylindrical storage surface 6, the take-up element 2 is rotatable.
- the storage body K has an axis X and either a fixed or a variable diameter.
- the housing 1 at least one stop device S is arranged with a stop pin 3, which is used in cooperation with the storage body K for dimensioning the release of each deducted number of turns of thread.
- the turns of thread are generated by means of the take-up element 2 and are directly abutting one another or separated from one another the memory area 6 cached.
- the stop pin 3 can cooperate with a recess formed as a guide slot 4 in the storage body K and is radially to the axis X back and forth, as well as in and against the withdrawal direction W of the thread not shown from the thread turns on the storage surface. 6
- the stop pin 3 is introduced at a rotating winding element 2 near the winding element 2 from a retracted position between two successive turns of thread in the guide slot 4 and then exclusively by the resulting from the winding and / or by a separating device, not shown, forward movement of the thread turns in withdrawal direction W to an end position defined in the guide slot 4 (approximately as shown) moves to end the thread withdrawal (end of an entry process).
- the storage body 6 has a front end 5, in front of which a controlled thread clamp C is in the withdrawal direction W, which serves for initiating a respective picking operation and temporary fixing of the not shown feeding device of the weaving machine to the storage body 6 weft thread.
- the stop pin 3 is e.g. with respect to the direction of gravitation G at a lower region of the storage body K arranged.
- extension part V in one piece or interchangeable
- the front end 5 protruding extension part V which is a substantially extending in the withdrawal direction W
- the support A substantially diametrically opposite a counter surface 16 is assigned. This begins at the outer diameter of the storage surface 6 or slightly further inwards, and deviates obliquely in the withdrawal direction W, in this case upwards.
- the extension part V for example, a simple rod 8, or a blade 9, whose back defines the support A.
- the extension part V is asymmetrical to the axis X and formed so that it is contacted upon the release of each thread winding over the front end 5 of the storage body K away on the support A of the thread winding.
- the storage surface 6 is extended beyond the front end 5 by an example flat or concave guide surface 22 (shown in phantom), while the top side downstream of the front end 5, a cover 23 may be provided.
- the extension part V on the storage body K is a slanting cone 10 or a slanted truncated cone 11, which is arranged so that the support A substantially extends the storage area 6 in the withdrawal direction W at an overhead position.
- the cone 10 or the truncated cone 11 could have a jacket which is closed on all sides, or be formed from individual rods.
- the cone or truncated cone 10, 11 has a base 12 whose diameter is possibly smaller than the diameter of the front end 5, but no transition should exist between the storage surface 6 and the support A.
- the base 12 does not necessarily have to be circular, but could also be oval or contoured.
- the underside of the cone or truncated cone forms the counter surface 16.
- the extension part V on the storage body K is a blade 17, which forms a flat side or convexly rounded flat side 13 as a support A.
- the support A ends with a more towards the axis X sloping end portion 14, which leads to a tip portion 15, which is optionally rounded or dull.
- a lower narrow side of the blade 17 defines the mating surface 16, which increases in the withdrawal direction W obliquely or convexly or concavely rounded to the tip portion 15.
- the storage body K consists of fingers 18 which are distributed around the axis in the circumferential direction at intervals and which terminate freely and define a polygonal storage area 6 with their outer surfaces 19.
- the diameter of the storage area defined by the fingers 18 is relatively small, for example, approximately corresponding to the natural curvature storage capability most thread materials, and is for example only between 25 and 50 mm.
- the extension part V is here a hollow body (or solid body) with approximately rectangular cross section and lower and upper narrow sides, wherein the upper narrow side defines the support A, which extends the uppermost with respect to the direction of gravity finger 18, and, suitably at least approximately As far as the outer surface 19 of this finger is 18.
- the support A which is either parallel to the axis X or straight or curved something in the direction of the axis X drops, optionally as well as the outer surfaces 19 of the fingers 18, through the end portion 14th continued, which falls steeper to the blunt tip area 15 here.
- the tip region 15 is e.g. approximately in extension of the axis X of the storage body K.
- the hollow body (or solid body) 20 has flat broad sides in the embodiment shown.
- the broad sides would be convexly curved.
- the lower narrow side forms the counter surface 16 and rises relatively steeply to the tip region 15.
- the hollow body 20 may be formed integrally with the finger 18 or be mounted exchangeably on this.
- An additional support 21 may be provided in the region of the lower end of the lower narrow side 16 on a lower finger 18 or on the storage body K in order to stably support the extension part.
- the additional attachment 21 of the extension part V is provided at the lower finger 18 ', with which the stop pin 3 not shown in Fig. 4 (see Fig. 1) cooperates.
- a plate shown downstream of the storage body K can be used for mounting about the controlled thread clamp C of FIG. 1, or for attaching further equipment components or sensors, and also forms an outer guide surface 22 for the thread turns deported from the storage body K.
- the winding element 2 is driven continuously, possibly with varying speed, so that continuously new turns of thread formed on the storage surface K and with retracted stop pin 3 in the withdrawal direction W front yarn turns are transported to the support A, while the downstream extending weft thread portion is still held by the thread clamp C.
- the stop pin 3 After opening the thread clamp C the thread turns of the rest A consumed sequentially, the stop pin 3 then or has previously reached its final position in the guide slot 4.
- the last thread winding running up to the stop pin 3 on the side of the stop pin 3 lying in the withdrawal direction is withdrawn from the extension part V and finally, after the insertion process has been completed by the stop pin 3, extends substantially straight ahead of the thread clamp C to the stop pin 3.
- the stop pin 3 is withdrawn, moved against the take-off direction W to the take-up element 2 and inserted again between two turns before it again shift the thread turns formed up to the end position.
- the extension part V could also be e.g. at the 9 o'clock position or elsewhere, i. not in the 12 o'clock position shown.
- FIG. 5 is characterized by a particularly simple extension body V in the form of a substantially right-angled triangle 24, one of the cathodes defining the support A, while the hypotenuse forms the obliquely rising counter-surface.
- This triangle could be a flat triangular blade, as shown, or consist of a rod 8 and another rod defining the mating surface 16, suitably connected together in a tip region.
- the embodiment in Fig. 6 uses a substantially triangular extension part V similar to that of Fig. 5, but because of the underlying guide surface 22, the support A in the 9 o'clock position and the counter surface 16 in the 3 o'clock position are.
- FIG. 7 side view
- a particularly expedient embodiment of the extension part V on the storage body K is shown.
- the essentially straight support A which extends the storage surface of the storage body, leads via a more bevelled end section 15 to the tip region 15
- Counter surface 16 has an end portion 25 which extends with less inclination than the counter surface 16 almost parallel to the axis X of the storage body K and ends at the tip portion 15. This end portion 25 helps to suppress the tendency of the turns of thread to ascend upon withdrawal from the overlay A.
- the invention consists in providing the storage body of the Fadenmessunter convinceds that should allow optimal high firing rates and firing speeds, with an extension part that only just so much disturbing influence on the thread takeoff that the firing frequency and firing speed is not appreciably affected, the are possible with this concept of Fadenmessunter convinceds, however, ensures that not two thread turns hang each other and can form loops.
- the influence of the extension part is essentially limited only to a local location in the 360 ° extent of each thread turn where the thread turn can not be pulled away directly inwardly in extension of the axis of the storage body, causing the thread turns in the tubular configuration the released Fadenwindungswickels reliably separated from each other and entered loop-free.
- the length seen in the withdrawal direction of the support of the extension part depends on the thread diameter and can, for example, correspond approximately to the length of the storage surface of the storage body.
- the tightening of turns of thread on the extension part excluding mating surface can be designed at its beginning on the storage body so that it leaves room for thread control organs required there.
- FIG. 8, 9 and 10 show a concrete embodiment of a measuring delivery device F with physical training of only schematically indicated in Fig. 1 outer cover surface 23.
- a cantilevered support 28 is fixed with a holder 27.
- a leaf spring 29 is included, which forms the outer cover surface 23 with its underside.
- the leaf spring 29 is held in the support 28 via at least one spring body 30 in such a way that the spring body 30 defines a tilting axis laterally offset with respect to the support A and the outside 19 of the finger 18. which runs approximately parallel to the axis of the storage body K.
- the leaf spring 29 is optionally lightly pressed against the support surface 19 of the finger 18 and the support A of the extension part V, so that it is resiliently moved in the direction of the double arrow 31.
- the leaf spring 29 begins in the withdrawal direction W at a distance from the take-up element 2 (FIG. 10) and extends beyond the end of the support A and defines, with the support surface 19 and the support A, a longitudinal thread turn control gap. At least at the end facing the winding element 2, the leaf spring 29 has a bend 32 pointing away from the storage body K.
- the extension part V is formed integrally or seamlessly with the finger 18.
- the cover surface 23 formed by, for example, the leaf spring 29 could also be held at a small distance from the support surface 19 and the support A, provided that it slightly impinges on the yarn turns during operation of the metering device F and ensures that the turns of thread are not pushed over one another and can not rise when deducted from the pad A.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Forwarding And Storing Of Filamentary Material (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502004010563T DE502004010563D1 (de) | 2003-12-12 | 2004-07-07 | Fadenmessliefergerät |
CN2004800369472A CN1898139B (zh) | 2003-12-12 | 2004-07-07 | 纱线测长喂纱装置 |
EP04740756A EP1692065B1 (de) | 2003-12-12 | 2004-07-07 | Fadenmessliefergerät |
JP2006543372A JP2007514065A (ja) | 2003-12-12 | 2004-07-07 | 糸測定供給装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003158283 DE10358283A1 (de) | 2003-12-12 | 2003-12-12 | Fadenmessliefergerät |
DE10358283.5 | 2003-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005061358A1 true WO2005061358A1 (de) | 2005-07-07 |
Family
ID=34683334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/007444 WO2005061358A1 (de) | 2003-12-12 | 2004-07-07 | Fadenmessliefergerät |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1692065B1 (de) |
JP (1) | JP2007514065A (de) |
CN (1) | CN1898139B (de) |
DE (2) | DE10358283A1 (de) |
WO (1) | WO2005061358A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6372466B2 (ja) * | 2015-10-12 | 2018-08-15 | 株式会社豊田自動織機 | 織機における緯糸測長貯留装置 |
CN107043042B (zh) * | 2017-03-16 | 2023-04-11 | 路佃泉 | 一种绞纱连续退绕支撑装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2920629A1 (de) * | 1978-06-15 | 1980-01-03 | Rueti Te Strake Bv | Vorrichtung zum bilden eines vorratswickels aus einem von einem garnvorrat angefuehrten faden |
US4277867A (en) * | 1978-10-31 | 1981-07-14 | Lucke Apparate-Bau Gmbh | Apparatus for the continuous delivery of a yarn or the like in loose form |
DE3734284A1 (de) * | 1987-09-25 | 1989-04-13 | Iro Ab | Fadenspeicher- und -liefervorrichtung |
WO1995008013A1 (de) * | 1993-09-15 | 1995-03-23 | Iro Ab | Projektil- oder greiferschützen-webmaschine und liefergerät |
WO2002033157A2 (de) * | 2000-10-18 | 2002-04-25 | Iropa Ag | Verfahren zum eintragen von schussfäden und fadenliefervorrichtung |
WO2002033156A1 (de) * | 2000-10-18 | 2002-04-25 | Iropa Ag | Liefergerät |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6067387A (ja) * | 1983-09-19 | 1985-04-17 | 橋場鉄工株式会社 | 吊上装置 |
DE4007131C2 (de) * | 1990-03-07 | 1999-12-30 | Iro Patent Ag Baar | Liefervorrichtung für laufende Fäden |
SE9700666D0 (sv) * | 1997-02-24 | 1997-02-24 | Iro Ab | Fadenliefergerät und fadenbremse |
-
2003
- 2003-12-12 DE DE2003158283 patent/DE10358283A1/de not_active Withdrawn
-
2004
- 2004-07-07 JP JP2006543372A patent/JP2007514065A/ja active Pending
- 2004-07-07 EP EP04740756A patent/EP1692065B1/de not_active Expired - Lifetime
- 2004-07-07 DE DE502004010563T patent/DE502004010563D1/de not_active Expired - Fee Related
- 2004-07-07 WO PCT/EP2004/007444 patent/WO2005061358A1/de active Application Filing
- 2004-07-07 CN CN2004800369472A patent/CN1898139B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2920629A1 (de) * | 1978-06-15 | 1980-01-03 | Rueti Te Strake Bv | Vorrichtung zum bilden eines vorratswickels aus einem von einem garnvorrat angefuehrten faden |
US4277867A (en) * | 1978-10-31 | 1981-07-14 | Lucke Apparate-Bau Gmbh | Apparatus for the continuous delivery of a yarn or the like in loose form |
DE3734284A1 (de) * | 1987-09-25 | 1989-04-13 | Iro Ab | Fadenspeicher- und -liefervorrichtung |
WO1995008013A1 (de) * | 1993-09-15 | 1995-03-23 | Iro Ab | Projektil- oder greiferschützen-webmaschine und liefergerät |
WO2002033157A2 (de) * | 2000-10-18 | 2002-04-25 | Iropa Ag | Verfahren zum eintragen von schussfäden und fadenliefervorrichtung |
WO2002033156A1 (de) * | 2000-10-18 | 2002-04-25 | Iropa Ag | Liefergerät |
Also Published As
Publication number | Publication date |
---|---|
EP1692065B1 (de) | 2009-12-23 |
JP2007514065A (ja) | 2007-05-31 |
CN1898139A (zh) | 2007-01-17 |
DE502004010563D1 (de) | 2010-02-04 |
EP1692065A1 (de) | 2006-08-23 |
DE10358283A1 (de) | 2005-07-21 |
CN1898139B (zh) | 2010-05-05 |
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