EP0850187B1 - Fadenliefergerät - Google Patents
Fadenliefergerät Download PDFInfo
- Publication number
- EP0850187B1 EP0850187B1 EP96931017A EP96931017A EP0850187B1 EP 0850187 B1 EP0850187 B1 EP 0850187B1 EP 96931017 A EP96931017 A EP 96931017A EP 96931017 A EP96931017 A EP 96931017A EP 0850187 B1 EP0850187 B1 EP 0850187B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- feeding device
- yarn feeding
- housing flange
- edge
- recess
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
- B65H51/22—Reels or cages, e.g. cylindrical, with storing and forwarding surfaces provided by rollers or bars
-
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-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
- B65H2407/00—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
- B65H2407/50—Means for protecting parts of handling machine
- B65H2407/51—Means for making dustproof
Definitions
- the invention relates to a thread delivery device in the preamble of claim 1 specified Art.
- For thread delivery devices (with or without weft measuring device; with or without integrated brake ring; with rotating Winding element and stationary storage drum or with rotatable storage drum as a winding element; for weaving machines or for knitting machines) has in the axial transition area standardized from the housing to the winding element Construction implemented, as in EP 0 567 045 A1, FIG. 5 for a yarn delivery device according to the preamble of claim 1 with a rotatable take-up element and stationary storage drum shown. And that is between the annular edge of the winding element and the housing flange an overlap with an open gap area intended.
- the outer peripheral surface of the housing flange is smooth, as is the inner peripheral surface of the rim.
- Winding element with variable speed relative to the stationary one Housing flange rotates, and due to manufacturing tolerances a game between the ring and the housing flange is to be observed occurs in the operation of such a thread delivery device a phenomenon.
- the processed thread material creates namely permanent contamination such as fluff, dust, Fibers and the like, which tend to include also in to enter the gap area, to settle there and from gradually move into the inside of the thread delivery device there, which can lead to malfunctions.
- Especially on the inside impurities remain in the ring until builds up a coherent layer of contamination.
- the invention has for its object a yarn delivery device of the type mentioned in structurally simple and inexpensive Way to improve so that malfunctions largely avoided due to contamination deposits become.
- the catch element fulfills two functions. First, build up a thick layer of contamination counteracted on the inside of the ring because the catch element a periodic irregularity in the relative movement as a disruptive factor when building up a contamination layer forms of the deposition of impurities counteracts from the start. Furthermore, it is surprising a mechanical action of the catch element on impurities inside the ring. Because of the different strong centrifugal force on the impurities, these expand when the ring is stationary or at low speed outwards until they collide with the catch element and be torn loose at least in places. The loose ones Impurities take the path of least resistance and fly out of the opening of the gap area.
- the breakaway surface a mechanical and a flow obstacle for contaminants If the breakaway surface is undercut, then tufts of lint get caught particularly easily, which means deposited Contaminants torn from the inside of the ring and the inside is stripped off before the contaminants fly out of the gap area.
- a feed force for torn loose or just arriving impurities exercised which transports them out of the gap area.
- the rejection surface promotes contamination kind of a plow away, also supported by turbulence and Air cushion.
- the embodiment is also important in this context according to claim 6, because already deposited impurities as the centrifugal force decreases, into the Relax relaxation zone and when accelerating the ring be torn away.
- the embodiment according to claim 7 is structurally simple Catch element can already during the manufacture of the housing flange be molded on. But it is also conceivable for the catch element retrofitted, e.g. glue on, screw on or fasten in any other way.
- the embodiment according to claim 10 is structurally simple and effective.
- the depression also creates the breakaway surface or the deflection surface for each direction of rotation, during the bottom of the deepening the necessary relaxation zone creates.
- a deepening with training has a similarly beneficial effect according to claim 13.
- a particularly advantageous embodiment is set out in claim 14 out.
- the edge bead of the rear winding protection channel is used for an additional task since he is with the deepening for loosening and removing contaminants is entrusted.
- the protective channel has the effect of a back winding with the thread behind the ring, to prevent the thread from getting inside the thread feeder penetrates.
- a thread delivery device F according to FIG. 1 (longitudinal section with hatching components important only for the invention) have a stationary one Housing 1 on which a longitudinal boom 2 is attached.
- the housing 1 is fixed with a bracket 3.
- a drive shaft 4 is rotatably mounted in the housing 1, e.g. with rolling bearings 17, which by means of an electric motor 5th is driven by rotation.
- a storage drum 6 is located on the shaft 4 by means of bearings 18 rotatably supported by in the housing 1 and arranged in the storage drum 6, aligned with one another Permanent magnets 15 and 16 rotating with the shaft 4 is prevented (stationary storage drum).
- About in extension with the axis of the storage drum 6 is on the boom 2nd a thread eyelet 7 for the overhead drum 6 withdrawn Thread provided.
- an annular thread take-off brake 8 together, in Boom 2 is supported.
- winding element 9 (Winding tube) attached through which the in its rear Hollow shaft area 4 thread passing through in turns on the Storage drum 6 is stored.
- the winding element 9 can in a conical disk 10 may be integrated, and has one approximately cylindrical edge 11.
- the housing 1 is with a stationary housing flange 12 provided with an overlay Ü reaches under the edge 11 and with this one left axially open gap area S defined.
- Fig. 1 is in Housing flange 12 in an approximately cylindrical peripheral surface 13 formed a rear winding protective groove 13 'with an edge bead 14 which engages under the ring 11.
- In the area of the bead 14 and the outer periphery 13 of the housing flange 12 at least one catch element C is provided 5 and 6 will be explained in detail.
- the shaft 14 driven by the electric motor 5 carries the winding element 9 and the storage drum 6, which means the permanent magnet 15, 16 is prevented from rotating. It works with the storage body 6 if necessary.
- An annular thread brake together.
- the outer circumference 13 of the housing flange 12 is approximately cylindrical and engages under the edge 11 from the inside the disk 10 of the winding element 9.
- the shaft 4 is with Rolling bearings 17 stored in the housing 1 while the storage body 6 with bearings 18 is mounted on the shaft 4.
- a thread measuring device could also be used cooperate with the storage drum 6. Furthermore, the Storage drum 6 to be drivable and then the winding element Define 9, being between the edge 11 and the housing flange 12 is the same interaction as in the Fig.1, 2 shown.
- the gap area S is namely from manufacturing technology Reasons (e.g. due to manufacturing tolerances) required. Since that Winding element 9 sometimes stands, accelerates or decelerates is, or running at high speed, one can Air flow from outside to inside or from inside to outside through the gap area S do not avoid. To avoid heavy deposits in the gap area S and inside the thread delivery device and to pull away impurities and The at least one catch element C is provided for conveying outwards.
- the housing flange 12 of the housing 1 carries on its approximately cylindrical outer circumference 13 at least one catch element C in the form of a projection 19, which is convenient is integrally formed with the housing flange 12 and between Is 1 to 5 mm high.
- the projection 19 is in the Area of overlap Ü between the dashed line Ring 11 and the housing flange 12.
- the in the middle of Fig. 3 shown projection 19 has front in the direction of rotation and rear deflecting surfaces 20, 20 ', each with a breakaway surface 21 is summarized. At least the breakaway area 21 extends approximately radially to the axis of the housing 1. It may even be undercut.
- the rejection areas 20, 20 'are A and B for both possible directions of rotation of the ring is provided, in each case by a removal force in FIG.
- a catch element alternatively or additively of a projection 19 which is longer in the circumferential direction, which carries a deflecting surface 20 or 20 ', which with a in approximately radial breakaway surface 21 is summarized.
- the outer circumference of the projection 19 could, as indicated at 25, be structured be, e.g. cross ribbed or equipped with saw teeth.
- the left tip of the middle ledge 19 or the left-hand peripheral edge 21 of the other two projections close approximately with the contour of the ring 11 or project to the left above this.
- FIG. 3 and 4 is a relaxation zone in front of the catch element in the direction of rotation Z is provided in which the gap width is larger than directly above the catch element C.
- the top of the catch element C lies the inside 11a of the edge 11 with little Distance opposite.
- the edge 11 rotates in the specified direction of rotation, then impurities can accumulate on the inside 11a deposit only with a small thickness because the breakaway surface 21 Impurities that protrude further inwards are immediately torn away or pushed away.
- One on the breakaway surface 21 interlocking fluff tufts on the inside 11a along until all impurities are torn away and then fly out of the gap area S. Is the breakaway surface 21 combined with a deflecting surface 20, then the removal of impurities is still favored, as indicated in Fig. 3.
- the catch element C is in an edge bead 14 a rear winding protection channel 13 'in the form of a Indentation N formed, e.g. for the direction of rotation A des Ring 11 with its approximately radial boundary surface defines the breakaway surface 21.
- the boundary surfaces are inclined (Angle ⁇ ) so that determined for the direction of rotation A.
- Boundary surface both a breakaway surface 21 and one Deflection surface 20 defined for contaminants that face the outside be promoted.
- the groove 13 serves to pick up and wind thread turns collect the faulty winding on the storage drum arrived there and do not enter gap area S. should.
- the boundary surfaces 23, 24 of Indentation N each has a breakaway surface 20 and a deflecting surface 21 can define, and expediently very sharp-edged, for example for direction of rotation A, wherein the bottom 22 of the depression N forms the relaxation zone Z.
- the depression N in the bead 14 is approximately rectangular. Their length in the circumferential direction is between 7 and 8 mm, their Depth can be approx. 4 to 5 mm.
- the boundary surfaces 24 and 23 can also be undercut to form hooks. An inclination of the boundary surfaces as in Fig. 5, below, is also possible.
- a plurality of projections 10 or depressions are expedient N distributed in the circumferential direction of the housing flange 12.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Forwarding And Storing Of Filamentary Material (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
- Fig. 1
- einen schematischen Längsschnittansicht einer ersten Ausführungsform eines Fadenliefergerätes,
- Fig. 2
- einen Teil eines Längsschnitts einer anderen Ausführungsform eines Fadenliefergeräts,
- Fig. 3
- einen Teil des Gehäuses des Fadenliefergeräts der Fig. 2 mit unterschiedlich ausgebildeten Fangelementen,
- Fig. 4
- einen Teil eines Querschnitts einer weiteren Ausführungsform,
- Fig. 5
- eine Ansicht ähnlich der von Fig. 3 zum Gehäusflansch des Fadenliefergeräts gemäß Fig. 1, und
- Fig. 6
- einen Schnitt in der Ebene IV in Fig. 5.
Claims (15)
- Fadenliefergerät mit einem relativ zu einem stationären Gehäuse drehantreibbaren Aufwickelelement (9), das einen äußeren, ringähnlichen Rand (11) aufweist, der in einem offenen Spaltbereich (5) einen innenliegenden Gehäuseflansch (12) überlappt, dadurch gekennzeichnet, daß innerhalb der Überlappung (Ü) an wenigstens einer Stelle des Außenumfangs (13) des Gehäuseflansches (12) ein Fangelement (C) für innenseitig am Rand (11) haftende Verunreinigungen vorgesehen ist, das in den Spaltbereich (S) vorspringt oder aus dem Spaltbereich (S) zurücktritt.
- Fadenliefergerät nach Anspruch 1, dadurch gekennzeichnet, daß das Fangelement (C) eine der Drehrichtung (A) oder (B) des Randes (11) entgegenweisende, in etwa radial, vorzugsweise hinterschnittene, Losbrechfläche (21) aufweist.
- Fadenliefergerät nach Anspruch 1, dadurch gekennzeichnet, daß am Fangelement(C) eine zur Drehrichtung (A) oder (B) des Randes (11) schräg verlaufende Abweisefläche (20, 20') vorgesehen ist, in Richtung zur Öffnung des Spaltbereiches (S) zurückweichend, vorzugsweise gerade oder gekrümmt zurückweichend, ausgebildet ist.
- Fadenliefergerät nach wenigstens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Losbrechfläche (21) und die Abweisefläche (20, 20') zusammengefaßt sind.
- Fadenliefergerät nach wenigstens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß für jede Drehrichtung (A) oder (B) des Ringes wenigstens eine Losbrechfläche (21) und, gegebenenfalls, eine Abweisefläche (20, 20') vorgesehen sind.
- Fadenliefergerät nach Anspruch 1, dadurch gekennzeichnet, daß in Drehrichtung (A) oder (B) des Randes (11) vor dem Fangelement (C) eine Entspannungszone (Z) vorgesehen ist, in deren Erstreckung in Umfangsrichtung die Spaltweite größer ist als oberhalb des Fangelements (C).
- Fadenliefergerät nach wenigstens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Fangelement (C) ein in Umfangsrichtung des Gehäuseflansches (12) begrenzter Vorsprung (19) auf dem Außenumfang des Gehäuseflansches (12) ist, vorzugsweise ein einstückig mit dem Gehäuseflansch ausgebildeter Vorsprung.
- Fadenliefergerät nach wenigstens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Losbrechfläche (21) und, gegebenenfalls, die Abweisefläche (20, 20') von der wenigstens einen, in etwa radialen Begrenzungsfläche (23, 24) einer in den Gehäuseflansch (12) eingeformten, nach außen offenen Vertiefung (N) gebildet wird.
- Fadenliefergerät nach Anspruch 7, dadurch gekennzeichnet, daß der Vorsprung (19) eine oberflächliche Struktur (25), z.B. Querrippen oder eine Sägezahnung, trägt.
- Fadenliefergerät nach Anspruch 8, dadurch gekennzeichnet, daß die Vertiefung (N) zwei in etwa radiale, von einem Vertiefungsgrund (22) hoch ragende Begrenzungsflächen (23, 24) aufweist, deren jede ein Fangelement (C) für eine Drehrichtung (A) oder (B) bildet, und daß die Entspannungszone (Z) vom Vertiefungsgrund (22) zwischen den Begrenzungsflächen (23, 24) gebildet wird.
- Fadenliefergerät nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Vorsprung (19) bzw. die Vertiefung (N) scharfkantig ist.
- Fadenliefergerät nach Anspruch 7, dadurch gekennzeichnet, daß der Vorsprung (19) ca. 1,0 bis 3,0 mm hoch ist.
- Fadenliefergerät nach Anspruch 8, dadurch gekennzeichnet, daß die Vertiefung (N) in Drehrichtung ca. 4 bis 10 mm, vorzugsweise 7 bis 8 mm, lang, und ca. 2 bis 6 mm, vorzugsweise 4 bis 5 mm, tief ist.
- Fadenliefergerät nach wenigstens einem der Ansprüche 8, 10 und 13, dadurch gekennzeichnet, daß die Vertiefung (N) in einen Randwulst (14) einer bei der axialen Öffnung des Spaltbereiches (S) vorgesehenen, umlaufenden Hinterwicklungs-Schutzrinne (13') des Gehäuseflansches (12) eingeformt ist.
- Fadenliefergerät nach wenigstens einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß über den Umfang des Gehäuseflansches (12) mehrere Fangelemente (C) in regelmäßigen oder unregelmäßigen Umfangsabständen verteilt angeordnet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19533312A DE19533312A1 (de) | 1995-09-08 | 1995-09-08 | Fadenliefergerät |
DE19533312 | 1995-09-08 | ||
PCT/EP1996/003881 WO1997009263A1 (de) | 1995-09-08 | 1996-09-04 | Fadenliefergerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0850187A1 EP0850187A1 (de) | 1998-07-01 |
EP0850187B1 true EP0850187B1 (de) | 2000-01-26 |
Family
ID=7771667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96931017A Expired - Lifetime EP0850187B1 (de) | 1995-09-08 | 1996-09-04 | Fadenliefergerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US5979815A (de) |
EP (1) | EP0850187B1 (de) |
KR (1) | KR100279180B1 (de) |
CN (1) | CN1084283C (de) |
DE (2) | DE19533312A1 (de) |
WO (1) | WO1997009263A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018115597A1 (de) * | 2018-06-28 | 2020-01-02 | Memminger-IRO Gesellschaft mit beschränkter Haftung | Fadenliefergerät und Verfahren zum Betreiben eines Fadenliefergerätes |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19612720A1 (de) * | 1996-03-29 | 1997-10-02 | Iro Ab | Fadenliefergerät |
IT1289865B1 (it) * | 1997-01-08 | 1998-10-19 | Lu Lo Wal Tex S N C Di Pezzoli | Freno per dispositivi porgitrama di telai |
SE9700666D0 (sv) * | 1997-02-24 | 1997-02-24 | Iro Ab | Fadenliefergerät und fadenbremse |
SE9800226D0 (sv) * | 1998-01-26 | 1998-01-26 | Iro Ab | Fadenliefersystem |
CN102634913A (zh) * | 2012-04-06 | 2012-08-15 | 经纬纺织机械股份有限公司 | 无捻度变化储纬装置 |
DE102018119164A1 (de) * | 2018-08-07 | 2020-02-13 | Maschinenfabrik Rieter Ag | Garnspeicher für eine Spinn- oder Spulmaschine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1133910B (it) * | 1980-10-15 | 1986-07-24 | Roy Electrotex Spa | Dispositivo alimentatore di filato,particolarmente per macchine tessili |
DE3429219A1 (de) * | 1984-08-08 | 1986-02-20 | Sobrevin Société de brevets industriels-Etablissement, Vaduz | Fadenspeicher- und liefervorrichtung |
US4710947A (en) * | 1985-09-30 | 1987-12-01 | Siemens Aktiengesellschaft | Collimator for a radiation diagnostics apparatus |
DE3876629T2 (de) * | 1987-09-25 | 1993-04-08 | Iro Ab | Fadenspeicher- und liefervorrichtung. |
DE4105174A1 (de) * | 1991-02-20 | 1992-08-27 | Sobrevin | Liefervorrichtung fuer laufende faeden |
DE4127796A1 (de) * | 1991-08-22 | 1993-02-25 | Iro Ab | Faden-fournisseur |
DE9111875U1 (de) * | 1991-09-23 | 1993-01-28 | Sobrevin Societe De Brevets Industriels-Etablissement, Vaduz, Li | |
IT1259551B (it) * | 1992-04-22 | 1996-03-20 | Lgl Electronics Spa | Dispositivo elettropneumatico per l'infilaggio automatico di apparecchi alimentatori di trama a macchine tessili ed apparecchio alimentatore di trama incorporante detto dispositivo |
IT231450Y1 (it) * | 1993-07-19 | 1999-08-03 | Lgl Electronics Spa | Alimentatore di trama con piastra portamagneti dotata di scanalatura anulare fungente da elemento di centraggio e ritegno del tamburo e |
IT1261256B (it) * | 1993-09-10 | 1996-05-09 | Lgl Electronics Spa | Dispositivo di separazione delle spire di riserva di filato per apparecchi alimentatori di trama e telai di tessitura e simili |
IT1268041B1 (it) * | 1994-03-07 | 1997-02-20 | Lgl Electronics Spa | Apparecchio alimentatore di trama con separatore di spire, per telai ad aria ad alta velocita' di inserzione. |
-
1995
- 1995-09-08 DE DE19533312A patent/DE19533312A1/de not_active Withdrawn
-
1996
- 1996-09-04 DE DE59604315T patent/DE59604315D1/de not_active Expired - Fee Related
- 1996-09-04 WO PCT/EP1996/003881 patent/WO1997009263A1/de active IP Right Grant
- 1996-09-04 EP EP96931017A patent/EP0850187B1/de not_active Expired - Lifetime
- 1996-09-04 US US09/029,799 patent/US5979815A/en not_active Expired - Fee Related
- 1996-09-04 CN CN96196829A patent/CN1084283C/zh not_active Expired - Fee Related
- 1996-09-04 KR KR1019980701733A patent/KR100279180B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018115597A1 (de) * | 2018-06-28 | 2020-01-02 | Memminger-IRO Gesellschaft mit beschränkter Haftung | Fadenliefergerät und Verfahren zum Betreiben eines Fadenliefergerätes |
Also Published As
Publication number | Publication date |
---|---|
US5979815A (en) | 1999-11-09 |
CN1084283C (zh) | 2002-05-08 |
CN1196027A (zh) | 1998-10-14 |
DE59604315D1 (de) | 2000-03-02 |
KR100279180B1 (ko) | 2001-11-15 |
EP0850187A1 (de) | 1998-07-01 |
WO1997009263A1 (de) | 1997-03-13 |
DE19533312A1 (de) | 1997-05-07 |
KR19990044485A (ko) | 1999-06-25 |
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