EP1274887A1 - Spinnvorrichtung - Google Patents
SpinnvorrichtungInfo
- Publication number
- EP1274887A1 EP1274887A1 EP01943249A EP01943249A EP1274887A1 EP 1274887 A1 EP1274887 A1 EP 1274887A1 EP 01943249 A EP01943249 A EP 01943249A EP 01943249 A EP01943249 A EP 01943249A EP 1274887 A1 EP1274887 A1 EP 1274887A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spinneret
- spinning
- cooling tube
- separating surface
- sealing
- 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
- 238000009987 spinning Methods 0.000 title claims abstract description 78
- 238000001816 cooling Methods 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 238000009413 insulation Methods 0.000 claims description 9
- 238000002074 melt spinning Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 16
- 239000000155 melt Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000048 melt cooling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/047—Seal ring
Definitions
- the invention relates to a spinning device for melt spinning and cooling endless multifilament chemical threads according to the preamble of claim 1.
- a melted polymer is extruded into a large number of strand-like filaments.
- the polymer melt is guided by a pump via lines to one or more spinneret pots.
- the spinneret pots contain a spinneret plate which has a large number of spinneret bores.
- the pump, lines and spinneret pots are housed in a heated spinning head. After the filaments extruded through the spinneret bores have been cooled by a cooling device, for example by an air stream, the bundles of filaments are combined to form a thread and the thread is further processed.
- a cooling device for example by an air stream, the bundles of filaments are combined to form a thread and the thread is further processed.
- four, six or more spinneret pots are housed closely in a row in a spinning head.
- the air stream cooling the filaments is passed through a cooling tube together with the filaments and parallel to the filaments at high flow speed.
- a device for performing such a method is described, for example, in WO 99/067450 (Bag 2623).
- a suction fan is provided at the end of the cooling pipe in order to maintain the required flow rate.
- the cooling air is fed to the cooling pipe through a sieve cylinder at the upper end of the cooling pipe.
- Spinning pots accommodated spinneret plates in the spinning head in a very narrow Division are arranged. On the one hand, this is due to the fact that the available space in the spinning head is limited, on the other hand, the spinneret plates and the spinneret pots associated therewith have large diameters, particularly with high numbers of filaments.
- DE 34 06 347 AI (Bag 1326) discloses a possibility of sealing a cooling tube with a blow box surrounding the blow tube in such a way that the cooling tube and blow box can be shut down for operations.
- DE 34 06 347 AI provides flanges on the spinning head side and cooling tube side, between which a sealing agent and a heat insulating agent is provided.
- the heat insulating agent prevents the heat from flowing out of the spinning head into the spinning shaft.
- the sealant connects the spinning head and cooling tube in an airtight manner and is designed to be separable.
- a sealing unit is understood here to mean all the means that are required to seal a cooling pipe with a
- cooling tubes are designed with a smaller diameter and can thus be arranged in a narrow division, and that the sealing unit can also be used with non-gas-tight spinning heads.
- the spinning device according to the invention is preferably designed with the features according to claim 2.
- the sealing unit lies essentially within an envelope contour determined by the cross section of the spinneret cup.
- the separating surface arranged on the spinning head side is arranged directly on the spinneret plate.
- the separating surface on the spinner head is attached to a fastening means for the spinneret pot or arranged on a fastener for the spinneret plate. This saves further installation space and a particularly narrow division of the spinneret pots is achieved.
- the spinning device according to the invention can be designed according to claim 6. As a result, the introduction of heat from the spinneret into the sealing unit is greatly reduced, so that the sealing unit does not have to have extreme temperature resistance.
- the separating surface arranged on the cooling tube side is advantageously formed directly on the end face of the cooling tube facing the spinning head.
- the functions of isolating and sealing are separated from one another.
- the sealing unit has an insulating body for thermal insulation and a sealing element for sealing.
- the insulation is hot
- Temperature level of the seal lowered, so that temperature-sensitive materials can be used for the seal.
- the temperature level of the seal can be reduced even further.
- Fig. 1 shows the spinning device according to the invention
- FIG. 3 The detailed representation of an embodiment variant with a sealing unit designed as a fastening means.
- FIG. 4 The detailed representation of a further embodiment.
- a spinning device according to the invention is shown.
- the melt 1 is fed to the heated spinning head 3 via the melt line 2.
- a pressure booster and distributor pump 4 is accommodated in the spinning head and distributes the supplied melt to the spinneret pots 6 via the distributor lines 5.
- only a few spinneret pots are shown here in part.
- six, eight or more spinneret pots are arranged next to one another in a narrow division.
- the spinneret pot 6 contains, in addition to elements for filtering and distributing the melt on the underside, the spinneret plate 7.2, through which the melt 1 is extruded into filaments 8 through a plurality of nozzle bores 7.1.
- the filaments 8 are guided through the cooling tube 12 together with the cooling air 11 required by the air flow generator 13.
- the cooling air 11 enters through the upper area of the cooling tube 12.
- the upper region of the cooling tube 12 is formed by a gas-permeable sieve cylinder 10.
- a sealing unit 9 is formed at the front end of the cooling tube 12 and below the spinneret 6. With the help of the sealing unit 9 it is prevented that secondary air flows in between the spinneret 6 and the cooling tube 12 and leads to undesired cooling of the spinneret 6 or of the filaments 8 immediately after the outlet from the spinneret 6.
- the filaments 8 leave the cooling tube 12 through a lower opening and are combined into a thread 16 by means of a preparation device 15, which is then further processed and wound up.
- the entire cooling tube 12 can be lowered by means of a lifting device 14.
- the sealing unit 9 is separated in a joint formed by a separating surface arranged on the spinning head side and a separating surface arranged on the cooling tube side.
- the separating surface on the spinning head side is identified with the reference symbol 9.5 and the separating surface on the cooling tube side with the reference symbol 9.6.
- Figure 2 shows the replaceable spinneret 6 and a variant of the separable sealing unit 9 in detail.
- the melt is fed to the spinneret 6 via the distributor line 5.
- the interchangeable spinneret 6 is fixed to the spinning head 3, for example, by means of a thread 6.1.
- the spinneret plate 7.2 with spinneret bores 7.1 is located in the spinneret pot 6.
- the spinneret plate 7.2 rests on paragraph 6.2.
- the spinneret pot 6 has a collar 6.3 which, in the figure, extends over the underside of the Spinning head 3 protrudes.
- this collar 6.3 is flush with the underside of the spinning head or protrudes into the spinning head 3. This is particularly advantageous from the point of view that the collar leads to undesired heat radiation.
- Two different sealing units 9 are shown here by way of example on the right and left sides of the center line.
- the collar 6.3 has a sealing surface 9.3 on the underside, against which the seal 9.4 is pressed.
- the seal 9.4 is designed as a heat-resistant and poorly heat-conducting sealing ring, for example made of a cord made of ceramic fabric or high-temperature-resistant silicone.
- Sealing cord 9.4 is firmly connected to the cooling tube 12 here. In the operating position shown, the sealing unit 9 closes the cooling tube 12 in a gas-tight manner
- Cooling tube wall 10 can get into the cooling tube 12. In maintenance or
- the cooling tube 12 is shut down and the sealing unit 9 is separated between the separating surfaces 9.5 and 9.6.
- the seal 9.4 remains on the cooling tube 12.
- a sealing unit designed as a labyrinth seal is shown, which, although not sealing gas-tight, has a very high flow resistance with respect to the gas-permeable cooling tube wall 10, so that only very low leakage air flows are to be expected here.
- the cooling tube 12 is thermally insulated from the spinneret 6 by the narrow air gap in the labyrinth.
- the separating surface 9.5 on the spinning head side is also on the protruding collar 6.3 of the spinneret 6 formed.
- the separating surface 9.6 on the cooling pipe side is located opposite at the front end of the cooling pipe 12.
- the exemplary embodiment shown in FIG. 2 is particularly suitable for spinning devices in which the spinneret pots are arranged within the spinning head at a very short distance from one another. Since the outer dimensions of the sealing unit 9 and the cooling tube 12 do not protrude beyond an envelope contour defined by the cross section of the spinneret 6, the division of the spinnerets can easily be carried out in the area of the cooling device. The outer diameter of the cooling tubes is adapted to the spinneret bowl.
- FIG. 1 A particularly advantageous embodiment variant is shown in FIG.
- the replaceable spinneret 6 is not screwed in directly here, but is held in the spinning head 3 by a separate fastening means 16.
- the fastening means is designed as a threaded ring 16 which is screwed at one end in the spinning head 3 and has a collar 9.1 at its end outside the spinning head 3.
- a bayonet connection is also possible here, for example.
- the collar 9.1 of the threaded ring 16 at the same time also contains the elements of the sealing unit 9 remaining on the spinning head side above the separating surface 9.5 on the spinning head side.
- Variants are also expressly included here, in which the collar 9.1 is flush with the underside of the spinner head or projects into it.
- a separate insulating body 9.2 is integrated in the collar 9.1.
- a sealing surface 9.3 is provided, against which an elastic seal 9.4 is pressed. Since here the thermal insulation is provided on the hot side, can be used as
- Seal also a non-heat-resistant material can be used, such as
- the particular advantage of this arrangement is that only a small heat flow can flow through the insulating body 9.2.
- Insulating body 9.2 and the sealing surface 9.3 to provide a cooling surface 9.7, for example in the form of a cooling fin, in order to reinforce this effect.
- a cooling surface 9.7 for example in the form of a cooling fin, in order to reinforce this effect.
- the seal 9.4 is only slightly thermally loaded. The separating surface on the spin head side
- 9.5 is formed here by the front end of the collar 9.1, which is opposite the cooling pipe-side separating surface 9.6 in the form of the upper side of the seal.
- the arrangements of the seal 9.4 and the insulating body 9.2 are interchanged on the left-hand side of the illustration in FIG.
- a heat-resistant sealing ring 9.4 is pressed against the sealing surface 9.3.
- a cutting ring is used as the sealing ring.
- the sealing surface 9.3 has a small groove here.
- the insulating body 9.2 for thermal insulation is integrated underneath the sealing ring 9.4 in the cooling tube wall and prevents the heat from flowing out into the cooling tube 12.
- the separating surface 9.6 on the cooling tube side is formed here by the upper side of the seal 9.4. Accordingly, the separating surface 9.5 on the spinning head side is formed by the sealing surface 9.3 at the end of the collar 9.1.
- FIG. 4 shows a further embodiment variant in which the cooling tube 12 is on the spinneret plate 7.2 is sealed.
- the seal 9.4 connected to the cooling tube 12 is pressed against the underside of the spinneret plate 7.2, which thus forms the separating surface on the spinning head side.
- the insulating body 9.2 is arranged below the seal 9.4 inside the cooling tube wall of the cooling tube 12.
- the embodiments of the sealing unit shown in FIGS. 2 to 4 can optionally be used in the embodiment of the spinning device according to the invention according to FIG. 1. It is irrelevant whether the cooling air in the environment outside the cooling tube below the spinning head arises due to a suction device connected to the end of the cooling tube or due to a blowing arranged below the spinning head. To this extent, the invention encompasses all spinning devices in which an air supply in a joint between a spinneret pot and a cooling tube is to be prevented.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Centrifugal Separators (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10019024 | 2000-04-18 | ||
| DE10019024 | 2000-04-18 | ||
| PCT/EP2001/004219 WO2001079594A1 (de) | 2000-04-18 | 2001-04-12 | Spinnvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1274887A1 true EP1274887A1 (de) | 2003-01-15 |
| EP1274887B1 EP1274887B1 (de) | 2008-08-13 |
Family
ID=7639061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01943249A Expired - Lifetime EP1274887B1 (de) | 2000-04-18 | 2001-04-12 | Spinnvorrichtung |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6712592B2 (de) |
| EP (1) | EP1274887B1 (de) |
| JP (1) | JP2004501285A (de) |
| KR (1) | KR100673337B1 (de) |
| CN (1) | CN1239760C (de) |
| AT (1) | ATE404715T1 (de) |
| AU (1) | AU2001265875A1 (de) |
| BR (1) | BR0110103A (de) |
| DE (1) | DE50114215D1 (de) |
| MX (1) | MXPA02010216A (de) |
| TW (1) | TW500843B (de) |
| WO (1) | WO2001079594A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3868404B2 (ja) * | 2003-07-24 | 2007-01-17 | Tmtマシナリー株式会社 | 溶融紡糸装置 |
| EP1735484B1 (de) * | 2004-04-10 | 2011-09-07 | Oerlikon Textile GmbH & Co. KG | Verfahren und vorrichtung zum schmelzspinnen mehrerer multifiler fäden |
| CN101142347B (zh) * | 2005-03-18 | 2010-05-19 | 戴奥伦工业纤维有限公司 | 聚苯硫醚单丝纱的制造方法 |
| TWI310414B (en) * | 2007-01-09 | 2009-06-01 | Oriental Inst Technology | Dna falsity-proof fiber and manufacturing method thereof |
| EP2085479A1 (de) | 2008-01-31 | 2009-08-05 | Institut Pasteur | Reverse Genetik von Negativstrang-RNA-Viren in Hefe |
| DE102013213344A1 (de) * | 2013-07-08 | 2015-01-08 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung zum spinnen von fäden |
| CN103526310B (zh) * | 2013-10-18 | 2016-09-14 | 王振海 | 一种多排合成丝束冷却装置 |
| DE102015003895A1 (de) | 2014-05-15 | 2015-11-19 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum Schmelzspinnen |
| CN106637677A (zh) * | 2017-02-08 | 2017-05-10 | 佛山市南海必得福无纺布有限公司 | 一种双通道纺丝成网系统 |
| EP3382082B1 (de) | 2017-03-31 | 2019-08-07 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Vorrichtung zur herstellung von spinnvliesen aus endlosfilamenten |
| CN107937998B (zh) * | 2017-12-14 | 2020-10-13 | 江苏恒力化纤股份有限公司 | 一种聚酯工业丝品质提升方法 |
| CN108707990A (zh) * | 2018-08-17 | 2018-10-26 | 安徽和邦纺织科技有限公司 | 一种同步生产多种纤维的实验教学设备 |
| CN111501113B (zh) * | 2020-03-27 | 2021-08-27 | 金湖仁泰化纤有限公司 | 一种改性聚丙烯单丝生产用纺丝箱 |
| CN112831853A (zh) * | 2020-12-31 | 2021-05-25 | 江苏恒科新材料有限公司 | 一种稳态冷却装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE542911A (de) * | 1955-02-15 | |||
| US2927029A (en) * | 1957-09-24 | 1960-03-01 | Continental Can Co | Method of packaging food slices |
| US3659980A (en) * | 1970-05-11 | 1972-05-02 | Phillips Fibers Corp | Apparatus for melt spinning of synthetic filaments |
| JPS5124318U (de) * | 1974-08-12 | 1976-02-23 | ||
| JPS5167412A (ja) * | 1974-12-02 | 1976-06-11 | Toyo Boseki | Yojuboshisochi |
| JPS5939523B2 (ja) * | 1976-07-09 | 1984-09-25 | 日本エステル株式会社 | 溶融紡糸装置 |
| DE3406347A1 (de) | 1983-02-25 | 1984-10-11 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Spinnanlage fuer chemiefasern mit anblaskasten und spinnschacht |
| DE3430847A1 (de) * | 1984-08-22 | 1986-03-27 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Spinnanlage fuer chemiefasern mit teleskopartigem spinnschachtoberteil |
| JPH06158416A (ja) * | 1992-11-19 | 1994-06-07 | Toray Ind Inc | 紡糸装置 |
| DE59910294D1 (de) * | 1998-06-22 | 2004-09-23 | Saurer Gmbh & Co Kg | Spinnvorrichtung zum spinnen eines synthetischen fadens |
| WO2000005439A1 (de) | 1998-07-23 | 2000-02-03 | Barmag Ag | Spinnvorrichtung und -verfahren zum spinnen eines synthetischen fadens |
-
2001
- 2001-04-12 CN CNB018054366A patent/CN1239760C/zh not_active Expired - Fee Related
- 2001-04-12 AT AT01943249T patent/ATE404715T1/de not_active IP Right Cessation
- 2001-04-12 JP JP2001576974A patent/JP2004501285A/ja active Pending
- 2001-04-12 WO PCT/EP2001/004219 patent/WO2001079594A1/de not_active Ceased
- 2001-04-12 EP EP01943249A patent/EP1274887B1/de not_active Expired - Lifetime
- 2001-04-12 MX MXPA02010216A patent/MXPA02010216A/es active IP Right Grant
- 2001-04-12 KR KR1020027013872A patent/KR100673337B1/ko not_active Expired - Fee Related
- 2001-04-12 AU AU2001265875A patent/AU2001265875A1/en not_active Abandoned
- 2001-04-12 BR BR0110103-0A patent/BR0110103A/pt not_active Application Discontinuation
- 2001-04-12 DE DE50114215T patent/DE50114215D1/de not_active Expired - Fee Related
- 2001-05-01 TW TW090109148A patent/TW500843B/zh not_active IP Right Cessation
-
2002
- 2002-08-23 US US10/226,495 patent/US6712592B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0179594A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1404537A (zh) | 2003-03-19 |
| US20030012835A1 (en) | 2003-01-16 |
| KR20030004363A (ko) | 2003-01-14 |
| CN1239760C (zh) | 2006-02-01 |
| KR100673337B1 (ko) | 2007-01-23 |
| BR0110103A (pt) | 2003-01-07 |
| AU2001265875A1 (en) | 2001-10-30 |
| ATE404715T1 (de) | 2008-08-15 |
| DE50114215D1 (de) | 2008-09-25 |
| WO2001079594A1 (de) | 2001-10-25 |
| MXPA02010216A (es) | 2003-04-25 |
| EP1274887B1 (de) | 2008-08-13 |
| US6712592B2 (en) | 2004-03-30 |
| JP2004501285A (ja) | 2004-01-15 |
| TW500843B (en) | 2002-09-01 |
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Legal Events
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