EP1173634A1 - Kühlsystem für filamentbündel - Google Patents
Kühlsystem für filamentbündelInfo
- Publication number
- EP1173634A1 EP1173634A1 EP00926823A EP00926823A EP1173634A1 EP 1173634 A1 EP1173634 A1 EP 1173634A1 EP 00926823 A EP00926823 A EP 00926823A EP 00926823 A EP00926823 A EP 00926823A EP 1173634 A1 EP1173634 A1 EP 1173634A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- cooling system
- air
- filament bundles
- filament
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 239000003570 air Substances 0.000 claims description 55
- 238000007664 blowing Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000012080 ambient air Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 238000009987 spinning Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 239000004753 textile 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
- Y10S425/115—Lubricator
Definitions
- the present invention relates to a cooling system for filament bundles, which are spared by at least two spinning nozzle units made of polymer melt arranged next to one another and are drawn off from a take-off system at a speed of> 1000 m / min, the filament bundles being cooled by a rectified air flow.
- a completely different cooling concept is based on the cooling of the filaments by a rectified accompanying air flow within a protective tube per bundle of filaments, the air flow by blowers and the like. the like and / or is generated by the suction caused by the filament advancement (US Patents 5,688,458; 5,360,589; 5,340,517).
- the air consumption can be reduced and the uniformity of the filaments improved.
- US Pat. No. 3,611,485 the freshly spun filament bundle is to be cooled in an air flow which is always free and uncontrolled and which is only filled up with fresh air to the extent that losses occur through the controllable outlet.
- EP patent 0 682 720 also wants to carry the ambient air at the same speed as the filaments, in order to reach the solidification point of the thread later and thereby to be able to increase the take-off speed. This is combined with economy, i.e. H. higher production speed with the same quality or higher quality with the same speed. This is to be achieved by means of a cylindrical protective tube with suction device that is expanded in the lower area. Air speeds that are in the order of the filament withdrawal speed can be produced in this way, but not one
- the object of the invention is to provide a cooling system for filament bundles, which serves to protect the not yet solidified filaments and their gentle cooling and at the same time ensures the simplest possible handling and high economy.
- the cooling system is suitable for all Dare Polymers processed by Schelzspi ⁇ nen, especially for textile polyester filaments, which are spinned at the high winding speed
- the invention is based on the assumption that an air column in itself flows at a (nearly) constant speed in a cylindrical tube, even if the air layers slow down in a parabolic flow profile from the inside to the outside. This is meaningless for the solidified thread, which itself runs at a constant speed, but not for the still soft, stretching filaments, the speed of which increases until the solidification has occurred. If we now consider a conical tube, there is also a parabolic flow professional 1 (slowing down from the inside to the outside). But this profile is much more pronounced at the narrow end than at the wide beginning, ie the speed of the air flow is not constant, but increases. And this applies not only to standard cylindrical tubes, but also to tubes with a rectangular cross-section.
- the idea of the invention is further based on the fact that, instead of individual, conical tubes for each individual thread, a tapering rectangular channel for all threads together can fulfill the task of generating a supporting accompanying air flow at the most suitable speed to the threads.
- the rectangular cross-section in particular in connection with dividing walls between the individual filament bundles, permits a more uniform cooling of all individual filaments of the filament bundles than, for example, an oval cross-section.
- the width of the first part of the shaft (A) should remain constant so that the individual filament bundles can be drawn off in parallel and under the same conditions. This can be supported by additional mudguards between the individual spinneret positions.
- shaft B has a slightly tapered cross section or a strongly tapered cross section.
- the width of the shaft B remains unchanged over the entire shaft height and compared to shaft A.
- the depth of the shaft B should be dimensioned at the lower end in such a way that false air and turbulence are prevented on the one hand, but touching the shaft walls on the other the filaments are excluded. This is achieved by a slight inclination of the front and / or rear wall of the shaft B in accordance with a slight taper.
- the shaft B is additionally tapered to the side so that the threads can be guided further in a space-saving manner.
- the air is suctioned off, the air being able to be returned to the spin position in order to be brought in again close to the thread at an already tempered temperature (because it has been circulated). If necessary, further amounts of air are sucked in through the upper open gap between the spinneret units and the first shaft (A). Further thread guides can be attached at the transition from the second shaft (B) to the end shaft (C).
- the idea of the invention further assumes that the solidified thread, which is drawn off from the winding machine at a constant, high speed, has an automatically moving air jacket around it. This drag air cannot be prevented, but it can be used. So instead of narrowing the thread exit and the O 00/61842
- FIG. 1 schematically shows a cooling system according to the invention, on the left a section through the thread path from the spinneret unit to the winding and on the right the view of an exemplary structure with six thread paths.
- Fig. 2 shows on the left the thread running in a conventional cooling shaft with cross-flow blowing and the vertical speed profile of the total air and on the right in the diagram the Filame ⁇ tgeschwi ⁇ digke t and the speed of the direct accompanying air of the thread.
- 3 shows on the left the thread run in a cooling shaft according to the invention with direct current guidance and the vertical speed curve of the total air and in the diagram on the right the filament speed and the speed of the direct accompanying air of the thread.
- 4 shows an example according to the invention for six threads in a three-dimensional representation.
- a process structure according to the invention is shown purely schematically.
- the thread path (3a, 3) from the spinning nozzle unit (1) to the winding (2) and on the right the view for an exemplary construction with six spinning nozzle units (1) is shown.
- the width of the first shaft (A) is constant, ie the two side walls (4) are straight and parallel to one another, and the tapering takes place only via the front and rear walls (5a, 5b) of the shaft.
- the thread path (3a) is slightly stretched from the vertical so that the start-up can be ensured in the preparation oiler (6).
- the front and back walls (5a, 5b) of the shaft are evenly inclined towards the middle of the thread, so that the bevel must be asymmetrical.
- the right side of the view shows the individual protective or separating plates (7) which create identical conditions between the individual filament bundles (3a) which are drawn off parallel to one another in this area.
- the preparation oilers (6) which must be adjustable in height for different titres, and then the first thread guides (8) directly before the transition to the next shaft (B). Since the filament bundles (3) are wound up separately in the present example, only a small one takes place
- the second thread guides (14) are attached can also be omitted if necessary.
- the air suction (11) can also be carried out from shaft C further down in the discharge direction.
- the shaft (C) is constant in cross section, but is kept very narrow so that the constant air flow that arises prevents the inflow of false air, and extends to shortly before the first extraction godet (17) or, in the case of godetless spiders, shortly before the subsequent spinning element Example of the winder (2).
- the distance between filament bundles and the walls (15a, 15b) of shaft (C) is preferably 1 to 4 cm.
- Fig. 2 shows schematically on the left the thread path (3a, 3) in a conventional cooling shaft and the vertical speed course of the total air, which flows in transversely blown in only very slowly downwards.
- the filament speed which increases from the injection speed (VI) to the winding speed (V2), is entered on the right in the diagram, in order then to remain constant. Almost in parallel, the speed of the direct accompanying air, generated only by the suction of the thread, takes its course.
- FIG. 3 shows on the left the schematic thread path (3a, 3) in chutes A and B of a cooling system according to the invention and the vertical speed profile of those guided in direct current
- Fig. 4 shows another, inventive example for six filament bundles (3) wound together in a three-dimensional representation.
- the width of the first shaft (A) is constant and designed according to the spinning arrangement. Separating sheets (7) are positioned between the individual filament bundles (3a), so that the same space is available for each of these thread bundles (3a).
- the height of the shaft (A) is usually 1.8 to max. 2.2, corresponding to the level of the Spinnbuh ⁇ e.
- the two side walls (4) are straight and parallel to each other and the taper from a total of 10 ° to max. 30 ° takes place only laterally, the front and rear wall (5a, 5b) of the shaft.
- the front wall (5a) is designed to be foldable, the hinges of the hinged doors (19) being provided for a vertical opening.
- the doors (19) have viewing windows (20) in the area of the oiler arrangement (6) for process monitoring on the 01er (6) and the first thread guide (8).
- the left door (19) is shown open.
- the tapering in the second shaft (B) is freely selectable, but is predominantly to the side and as short as possible so that the threads (3) can be continued to save space, i.e. here the dimensioning results more or less from the structural conditions of the system. In general, an angle of 2 to 30 ° between the front and rear wall (9a, 9b) and from 30 to 120 ° between the two side walls (10) is appropriate.
- the LucasaDsaugu ⁇ g (11) takes place shortly before the end of the shaft (B) uoer an adapted 10
- Pipe system The return of the air to the air position is not shown here.
- the subsequent end shaft (C) is kept constant in cross section, but it should be as narrow as possible, and also as long as possible.
- a single door (21) is provided here, which extends into the area at the transition of the second shaft (B) so that the second thread guides (14) can be operated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19915762 | 1999-04-08 | ||
| DE19915762A DE19915762A1 (de) | 1999-04-08 | 1999-04-08 | Kühlsystem für Filamentbündel |
| PCT/EP2000/003067 WO2000061842A1 (de) | 1999-04-08 | 2000-04-06 | Kühlsystem für filamentbündel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1173634A1 true EP1173634A1 (de) | 2002-01-23 |
| EP1173634B1 EP1173634B1 (de) | 2004-06-02 |
Family
ID=7903829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00926823A Expired - Lifetime EP1173634B1 (de) | 1999-04-08 | 2000-04-06 | Kühlsystem für filamentbündel |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6652255B1 (de) |
| EP (1) | EP1173634B1 (de) |
| AT (1) | ATE268394T1 (de) |
| DE (2) | DE19915762A1 (de) |
| WO (1) | WO2000061842A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1762644A1 (de) | 2005-09-07 | 2007-03-14 | Maschinenfabrik Rieter Ag | Verfahren und Vorrichtung zur Herstellung von Filamentgarne mittels Schmelzspinnen |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1582610A1 (de) * | 2004-03-25 | 2005-10-05 | Maschinenfabrik Rieter Ag | Abkühlung von Filamentgarnen |
| DE102009021117A1 (de) * | 2009-05-13 | 2010-11-18 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zum Schmelzspinnen und Abkühlen einer Vielzahl von Monofilamenten |
| CN108823665B (zh) * | 2018-09-07 | 2023-12-22 | 闽江学院 | 一种带有可调聚冷板的自动化纺丝系统 |
| DE102022003354A1 (de) * | 2022-09-12 | 2024-03-14 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zur Herstellung synthetischer Fäden |
| CN116607221A (zh) * | 2023-06-26 | 2023-08-18 | 江苏中尼机械科技有限公司 | 一种纺丝机用冷却机构 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE396646C (de) | 1922-08-03 | 1924-06-06 | Antonie Maier | Staubsauger |
| DE682720C (de) | 1938-08-16 | 1939-10-21 | Kurt Mussmann | Klammer zum Aufhaengen einer Handtasche an einer Tischplatte |
| US3336634A (en) | 1966-04-22 | 1967-08-22 | Du Pont | Quenching chimney |
| US3551949A (en) | 1968-11-15 | 1971-01-05 | Monsanto Co | Spinning chimney |
| US3611485A (en) | 1968-12-30 | 1971-10-12 | Monsanto Co | Spinning chimney |
| BE757537A (fr) * | 1969-12-16 | 1971-03-16 | Barmag Barmer Maschf | Tunnel a fils |
| CA944913A (en) | 1970-04-01 | 1974-04-09 | Toray Industries, Inc. | Apparatus and method for manufacturing continuous filaments from synthetic polymers |
| US3999909A (en) * | 1974-08-09 | 1976-12-28 | Barmag Barmer Maschinenfabrik Aktiengesellschaft | Spinning apparatus with pneumatic filament conveyor tube |
| US4204828A (en) * | 1978-08-01 | 1980-05-27 | Allied Chemical Corporation | Quench system for synthetic fibers using fog and flowing air |
| DE7926583U1 (de) * | 1979-09-17 | 1980-11-27 | Karl Fischer Industrieanlagen Gmbh, 1000 Berlin | Spinnvorrichtung zum spinnen von endlosen faeden |
| DE8412111U1 (de) * | 1984-04-18 | 1985-08-14 | Fourné, Franz, 5305 Alfter | Vorrichtung zum Führen der Kühlluft in Kühlschächten zum Abkühlen und Verfestigen schmelzgesponnener Fäden u. dgl. |
| JPS63165506A (ja) * | 1986-12-25 | 1988-07-08 | Toray Ind Inc | 複数本の合成繊維の製造装置 |
| EP0549763B1 (de) * | 1991-07-23 | 1995-02-01 | Barmag Ag | Vorrichtung zur herstellung eines synthetischen fadens |
| US5688458A (en) | 1992-03-18 | 1997-11-18 | Maschinenfabrik Rieter Ag | Method and device to manufacture synthetic endless filaments |
| DE4220915A1 (de) | 1992-06-25 | 1994-01-05 | Zimmer Ag | Verfahren und Vorrichtung zur Herstellung synthetischer Endlosfilamente |
| DE4223198A1 (de) | 1992-07-15 | 1994-01-20 | Zimmer Ag | Verfahren und Vorrichtung zur Herstellung synthetischer Endlosfilamente |
| ZA943387B (en) * | 1993-05-24 | 1995-02-17 | Courtaulds Fibres Holdings Ltd | Spinning cell |
| TW268054B (de) | 1993-12-03 | 1996-01-11 | Rieter Automatik Gmbh | |
| EP0754790B1 (de) * | 1995-07-19 | 2006-10-04 | Saurer GmbH & Co. KG | Verfahren und Vorrichtung zum Heizen eines synthetischen Fadens |
-
1999
- 1999-04-08 DE DE19915762A patent/DE19915762A1/de not_active Withdrawn
-
2000
- 2000-04-06 US US09/936,701 patent/US6652255B1/en not_active Expired - Fee Related
- 2000-04-06 WO PCT/EP2000/003067 patent/WO2000061842A1/de not_active Ceased
- 2000-04-06 EP EP00926823A patent/EP1173634B1/de not_active Expired - Lifetime
- 2000-04-06 DE DE50006689T patent/DE50006689D1/de not_active Expired - Fee Related
- 2000-04-06 AT AT00926823T patent/ATE268394T1/de not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0061842A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1762644A1 (de) | 2005-09-07 | 2007-03-14 | Maschinenfabrik Rieter Ag | Verfahren und Vorrichtung zur Herstellung von Filamentgarne mittels Schmelzspinnen |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE268394T1 (de) | 2004-06-15 |
| EP1173634B1 (de) | 2004-06-02 |
| DE50006689D1 (de) | 2004-07-08 |
| US6652255B1 (en) | 2003-11-25 |
| DE19915762A1 (de) | 2000-10-12 |
| WO2000061842A1 (de) | 2000-10-19 |
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