EP0360185A2 - Buse d'entrelacement - Google Patents
Buse d'entrelacement Download PDFInfo
- Publication number
- EP0360185A2 EP0360185A2 EP89117204A EP89117204A EP0360185A2 EP 0360185 A2 EP0360185 A2 EP 0360185A2 EP 89117204 A EP89117204 A EP 89117204A EP 89117204 A EP89117204 A EP 89117204A EP 0360185 A2 EP0360185 A2 EP 0360185A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- plates
- closing
- thread channel
- nozzle according
- 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
Links
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000000284 resting effect Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
Definitions
- the invention relates to a intermingling nozzle for threads or yarns, with a plurality of plates arranged side by side in a reed-like manner, in which parallel thread ducts and cross-flow openings into the thread ducts, to which a blowing medium can be applied, are formed, with the axes of the thread ducts in one of the plates vertical plane.
- a swirling nozzle of this type is known from DE-A-3019302.
- the plates form a block-shaped arrangement in which the thread channels are formed by leaving a straight gap of rectangular cross-section between an upper and a separate lower plate part.
- the threads must be threaded individually; inserting or adding threads is not possible.
- the division, i.e. the distance between the thread channels perpendicular to the thread running direction is comparatively large.
- a swirling nozzle which consists of two blocks lying against each other in a horizontal plane.
- the blocks are provided with grooves serving as thread channels on the abutting contact surfaces.
- the threads can then be inserted into the thread channels by lifting off the upper block, for example swiveling up the upper block.
- inserting the threads during the run is also not possible with this intermingling nozzle, since the upper block Free access to the thread channels is impeded even when open.
- a swirl nozzle is finally known, in which a tubular body containing the thread channel is rotatably mounted about its longitudinal axis in cylindrical bores, namely between an open position in which the thread channel is freely accessible and a closed position, in the thread channel is closed to the outside.
- the threads can be inserted into the thread channels during the run.
- the production of the tubular body rotatable in the bores requires a considerable amount of production work because of the high accuracy of fit required.
- the interlacing nozzle is closed, there is also the danger that the threads or individual filaments will become jammed. Finally, a comparatively large division of the thread channels is inevitable.
- the invention has for its object to develop a swirling nozzle of the type specified in such a way that the threads or yarns can be inserted during the run despite a low air consumption and the narrowest possible division of the thread channels.
- abutting plates each consist of a fixed thread channel plate and a movable closing plate, of which the thread channel plate provides a groove serving as a thread channel on its side adjacent to the closing plate and the closing plate can be moved parallel to the plane of the plate between an open position releasing the thread channel and a closing position covering the thread channel.
- the "closed position” represents the working position of the swirling nozzle.
- the thread channels are in the opening
- the position of the swirling nozzle is freely accessible from one side.
- the threads or yarns can therefore be inserted during the run, for example by moving the entire intermingling nozzle in the direction of the threads. Since the thread channels are closed in the closed position, the consumption of blowing medium, in particular air, can be kept low.
- the division of the swirling nozzle depends solely on the thickness of the plates, so that the division can be chosen to be comparatively small.
- the division of the intermingling nozzle can be kept very narrow.
- the manufacturing outlay remains comparatively low. Nevertheless, the swirling nozzle designed according to the invention can produce a high swirling performance.
- the intermingling nozzle designed according to the invention is particularly suitable for intermingling sheets of coarse-titer yarns such as are used for reinforcing fabrics or tires (tire cord).
- the swirling nozzle shown in the figures has a carrier 10.
- a group of flat thread channel plates 12 is fixedly attached to the carrier 10, which are arranged side by side and alternately to flat closing plates 14.
- the closing plates 14 are rotatably attached by a wedge 20 on a shaft 18 which is rotatably mounted in bores in the thread channel plates 12.
- the shaft 18 is provided at one end with a contact head 21 and at its other end with a thread 22 onto which a nut 23 is screwed.
- the shaft 18 and the nut 23 hold the thread channel plates 12 and the closing plates 14 in contact with one another under a given pretension with the aid of a plate spring 24, but without hindering movement of the closing plates 14 in planes parallel to the thread channel plates 12.
- At least one, and preferably two, of the striker plates 14 are provided with a toothed segment 26 which is in engagement with a toothed wheel 28 driven by an air motor (not shown).
- the closing plates 14 are rotatable about the longitudinal axis of the shaft 18.
- the rotational movement of the closing plates 14 is limited to 90 °, specifically through recesses 30, which are formed in the thread channel plates 12 and extend through 90 ° and into which the wedge 20 engages. In this way, the locking plates 14 between a closed position and a 90 ° offset to this, in the Figs. 1 and 2 shown open position adjustable.
- the thread channel plates 12 are each provided on their sides lying on the closing plates 14 with a straight, continuous groove 32 of rectangular cross section, which serves as a thread channel. From each thread channel groove 32 there is a straight groove 30 at right angles thereto and on opposite sides, which acts as a blowing channel for blowing in a swirling medium, in particular air, is used in the thread channel.
- the blow channel grooves 34 and 36 formed in the sides of the thread channel plates 12 each open into a bore 38 or 40 running perpendicularly through the thread channel plate 12.
- Corresponding holes 44 and 46 are formed in the closing plates 14, which in the closed position of the closing plates 14 are aligned with the bores 38 and 40 of the thread channel plates 12 and thus form feed channels 48 and 50 for feeding the blowing medium.
- the supply channels 48 and 50 are supplied with the blowing medium from the outside thread channel plates 12 via a device (not shown) which automatically interrupts the supply of the blowing medium when the swirling nozzle is opened.
- the closing plates 14 are provided with a rectilinear outer edge 51, which in the open position of the closing plates 14 run parallel to the thread channel grooves 32.
- the arrangement and design of the thread channel plates 12 and closing plates 14 is such that the closing plates 12 in the open position release the thread channel grooves 32 completely in the thread running direction, but only partially perpendicular to the thread running direction, so that the threads F are inserted into the thread channels can be, but have a certain hold in them.
- the outer edges 51 of the closing plates 14 are provided with roof-shaped bevels 52 which are inclined toward the thread channels in the open position of the closing plates in order to facilitate the insertion of the threads F.
- the adjacent sides of the thread channel plates 12 and the closing plates 14 are honed or lapped to achieve a high surface quality, so that a perfect mutual contact of the thread channel and closing plates is guaranteed.
- the entire intermingling nozzle is moved out of the area of the threads with the aid of the displaceable carrier 10.
- the locking plates 14 are in their open position (shown in the figures).
- the swirling nozzle is moved in the direction of the running threads F (upwards in FIGS. 1 and 2).
- the threads F slide over the bevels 52 in this case the thread channel grooves 32 without their running having to be interrupted, whereupon the closing plates 14 are pivoted into their closed position via the pinion gear 26, 28, in which they close the thread channels and the blowing channels with the holes 38, 44 and 40 respectively , 46 formed feed channels 48, 50.
- the supply of the blowing medium preferably air
- the blowing medium is initiated automatically in order to swirl the threads F running through the thread channels.
- thread channel and closing plates can also be found in larger groups of e.g. 20 to 25 plates can be combined.
- the intermingling nozzle described can be used in particular for the stretching of sheets of coarse-titer yarns, such as are used for reinforcing fabrics or tires.
- These are yarns with a yarn titer of about 500 to 2500 dtex, mostly between 1000 and 1700 dtex, with a single titer of 3 to 15 dtex, preferably from 5 to 8 dtex.
- the drawing of these yarns and thus the intermingling usually follows at speeds of 100 to 500 m / min on so-called belt roads.
- the yarn tension in the interlacing zone is usually between 0.01 and 0.1 cN / dtex.
- the interlacing nozzle shown allows a very narrow division of the thread channels, for example from 4 to 6 mm, but also up to 2 mm. This allows tight yarn guidance and thus good utilization of the godets and heating elements of the drawing systems.
- a tire cord with a titer of 1440 dtex, a running speed of 220 m / min, a pitch of 1 thread / 4.8 mm, a thread tension of 40 cN / 1440 dtex and an air throughput of 3.5 resulted Nm3 / h a needle test value (Rothschild Entanglement Tester R2040) from 120 to 200 mm.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Percussion Or Vibration Massage (AREA)
- Treatment Of Fiber Materials (AREA)
- Nozzles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89117204T ATE92119T1 (de) | 1988-09-22 | 1989-09-18 | Verwirbelungsduese. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3832283 | 1988-09-22 | ||
DE3832283A DE3832283C2 (de) | 1988-09-22 | 1988-09-22 | Verwirbelungsdüse |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0360185A2 true EP0360185A2 (fr) | 1990-03-28 |
EP0360185A3 EP0360185A3 (en) | 1990-11-07 |
EP0360185B1 EP0360185B1 (fr) | 1993-07-28 |
Family
ID=6363524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89117204A Expired - Lifetime EP0360185B1 (fr) | 1988-09-22 | 1989-09-18 | Buse d'entrelacement |
Country Status (4)
Country | Link |
---|---|
US (1) | US4953271A (fr) |
EP (1) | EP0360185B1 (fr) |
AT (1) | ATE92119T1 (fr) |
DE (2) | DE3832283C2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW328097B (en) * | 1995-09-20 | 1998-03-11 | Heberlein & Co Ag | Process and apparatus for guiding and spinning at least one yarn in the moving direction and all yarn channels |
US5970593A (en) * | 1997-09-12 | 1999-10-26 | International Machinery Sales, Inc. | Jet for interlacing textile yarns |
GB9902501D0 (en) * | 1999-02-05 | 1999-03-24 | Fibreguide Ltd | Air jet |
US6163944A (en) * | 2000-03-20 | 2000-12-26 | Lin; Sue-Ping | Yarn blowing device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750242A (en) * | 1971-06-30 | 1973-08-07 | Celanese Corp | Yarn compacting apparatus |
DE2840177A1 (de) * | 1978-09-15 | 1980-03-27 | Karlsruhe Augsburg Iweka | Verwirbelungsduese |
EP0216951A1 (fr) * | 1985-10-04 | 1987-04-08 | Karl Mayer Textilmaschinenfabrik GmbH | Dispositif pour tourbillonner des fils multifilaments |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3296679A (en) * | 1963-11-27 | 1967-01-10 | Du Pont | Fluid nozzle |
US3367100A (en) * | 1965-06-23 | 1968-02-06 | Monsanto Co | Multifilament yarn having individually twisted filaments |
US3800371A (en) * | 1972-07-11 | 1974-04-02 | Du Pont | Fluid jet apparatus for processing yarn |
DE3019302A1 (de) * | 1980-05-21 | 1981-11-26 | Hoechst Ag, 6000 Frankfurt | Verwirbelungsduese |
US4592119A (en) * | 1984-02-18 | 1986-06-03 | Barmag Barmer Maschinenfabrik Ag | Air jet yarn entangling apparatus |
DE3727262A1 (de) * | 1987-04-07 | 1989-02-23 | Inst Textil & Faserforschung | Vorrichtung zum verwirbeln von multifilamentgarnen |
DE3667674D1 (de) * | 1986-09-25 | 1990-01-25 | Basf Ag | Vorrichtung zur verwirbelung von garnen. |
-
1988
- 1988-09-22 DE DE3832283A patent/DE3832283C2/de not_active Expired - Fee Related
-
1989
- 1989-09-18 EP EP89117204A patent/EP0360185B1/fr not_active Expired - Lifetime
- 1989-09-18 DE DE8989117204T patent/DE58905030D1/de not_active Expired - Fee Related
- 1989-09-18 AT AT89117204T patent/ATE92119T1/de not_active IP Right Cessation
- 1989-09-20 US US07/410,311 patent/US4953271A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750242A (en) * | 1971-06-30 | 1973-08-07 | Celanese Corp | Yarn compacting apparatus |
DE2840177A1 (de) * | 1978-09-15 | 1980-03-27 | Karlsruhe Augsburg Iweka | Verwirbelungsduese |
EP0216951A1 (fr) * | 1985-10-04 | 1987-04-08 | Karl Mayer Textilmaschinenfabrik GmbH | Dispositif pour tourbillonner des fils multifilaments |
Also Published As
Publication number | Publication date |
---|---|
EP0360185B1 (fr) | 1993-07-28 |
DE3832283C1 (fr) | 1989-07-27 |
DE58905030D1 (de) | 1993-09-02 |
ATE92119T1 (de) | 1993-08-15 |
DE3832283C2 (de) | 1993-12-02 |
US4953271A (en) | 1990-09-04 |
EP0360185A3 (en) | 1990-11-07 |
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