EP2823095A1 - Kräuselvorrichtung - Google Patents
KräuselvorrichtungInfo
- Publication number
- EP2823095A1 EP2823095A1 EP13709806.7A EP13709806A EP2823095A1 EP 2823095 A1 EP2823095 A1 EP 2823095A1 EP 13709806 A EP13709806 A EP 13709806A EP 2823095 A1 EP2823095 A1 EP 2823095A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- treatment
- wall
- outer cylinder
- crimping
- 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
- 238000002788 crimping Methods 0.000 title claims abstract description 29
- 238000002074 melt spinning Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
- D02G1/125—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes including means for monitoring or controlling yarn processing
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
-
- 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
- D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
- D02J13/005—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one rotating roll
Definitions
- the invention relates to a crimping device for crimping a multifilament filament bundle in a melt spinning process according to the preamble of claim 1.
- the crimping of the yarns is effected by swaging the filament bundles into a respective yarn plug.
- the filaments are placed in snares and sheets to the thread stuffing and compressed by upsetting the filament bundles, so that after a dissolution of the yarn plug, a thread is formed with crimped filaments.
- the expression of the crimp contained in the filaments here depends essentially on the thermal treatment of the yarn pot. In order to allow the longest possible residence times for the temperature control of the yarn plug, have proven in the prior art treatment facilities, in which the yarn plug produced by upsetting is performed on a treatment drum with multiple wrap.
- Such a herb device is known for example from DE 26 32 082.
- a delivery nozzle, a stuffer box and a treatment device with a treatment drum are arranged one below the other.
- basically two different positions of the treatment drum are known in order to receive and guide a yarn plug led out of the stuffer box.
- the axis of the treatment drum is in the aligned substantially horizontally so that the yarn plug must be guided in a multi-wrap around the circumference of the treatment drum substantially in the horizontal direction.
- the turns of the thread plug must be moved on the circumference of the drum wall to obtain a helical course of the yarn plug on the circumference of the treatment drum. In this case, depending on the nature of the drum wall, more or less strong entanglements of adjacent turns of the yarn plug may occur.
- feed means are used. To move the turns of the yarn plug axially.
- this is aligned substantially vertically with its axis, so that the helical yarn guides guided on the circumference of the treatment drum receive natural support in their advancing movement on the circumference of the drum wall.
- relatively low feed forces are needed to guide the helical course of the yarn plug from the upper end of the treatment drum to a lower end of the treatment drum.
- the feeding of the yarn plug is effected by an upstream deflection between the stuffer box and the treatment chamber. Such deflections usually represent an uncontrolled for the temperature control of the yarn plug zone, which should be performed as short as possible.
- Another object of the invention is to further develop the generic crimping device in such a way that the guidance of the yarn plug can take place on the circumference of the treatment drum essentially without a feed device.
- the compression chamber is arranged axially parallel to the treatment drum that the yarn plug from a stopper outlet of the stuffer box in the straight run the circumference of the drum wall can be fed.
- the invention is characterized in that the natural weight of the yarn plug can be used to supply the yarn plug without deflection of the treatment drum.
- the change in direction of the yarn plug on the circumference of the treatment drum is effected solely by the relative speeds between the yarn plug and the drum wall.
- the vertically aligned with its axis treatment drum ensures a feed of the individual turns of the yarn plug without greater thrust forces.
- the leadership of the yarn plug on the circumference of the treatment drum can be further improved in that according to an advantageous embodiment of the invention, the drum wall at a short distance an outer cylinder is assigned, which surrounds the cooling drum shell-shaped and that between the outer cylinder and the drum wall, a circumferential annular chamber is designed to guide the yarn plug.
- the yarn plug can in this case lead directly from the stopper outlet directly to the annular chamber, so that the prevailing between the yarn plug and the drum wall sliding friction can be reduced to a minimum.
- the development of the invention is preferably carried out in which the annular chamber to an upper end of the outer cylinder a Inlet opening and to a lower end of the outer cylinder has an outlet opening between the drum wall and the outer cylinder, and that the annular chamber has a tapering in the axial direction of the outlet opening chamber cross-section.
- the chamber cross-section can thus be made preferably larger in the inlet region of the annular chamber than a diameter of the yarn plug.
- the chamber cross-section in the region of the outlet opening to a size which is substantially smaller than the diameter of the yarn plug.
- the inlet opening of the annular chamber is associated with a segment-shaped hold-down, which partially covers the inlet opening.
- the development of the invention is particularly advantageous in which the outer cylinder is rotatable and coupled to a rotary drive which drives the cylinder wall in the same direction to the drum wall of the treatment drum.
- the cylinder wall can be driven in the same direction to the drum wall with a circumferential speed in such a way that no differential speed prevails between the walls of the annular chamber.
- the invention offers a high degree of flexibility in the choice and design of the temperature control.
- the drum wall of the treatment shunt gas-permeable, wherein the treatment drum coupled with a fan for generating a cooling air flow is.
- the fan inside the treatment drum could generate a negative pressure, so that the pending ambient air is sucked in via the drum wall and can be used to cool the yarn plug.
- the fan generates an overpressure in the interior of the treatment chamber, so that a cooling air flow is established from the inside to the outside.
- the yarn plug can also be advantageously cooled within the annular chamber, in which the outer cylinder has a gas-permeable cylinder wall.
- a liquid is used as the temperature control, which is guided by fluid channels within the treatment chamber for controlling the temperature of the drum wall.
- both cold and warm liquids can be used to carry out a temperature control of the yarn plug.
- Fig. 1 shows schematically a cross-sectional view of a first embodiment of the crimping device according to the invention
- FIG. 2 is a schematic side view of the embodiment of FIG. 1.
- Fig. 3 shows schematically a cross-sectional view of another embodiment of the crimping device according to the invention 4 shows schematically a cross-sectional view of a further embodiment of the crimping device according to the invention
- FIG. 1 shows a partial cross section of the complete device
- FIG. 2 shows a side view.
- FIGS. 1 and 2 has a delivery nozzle 1, which is coupled via a fluid port 2 with a fluid source, not shown here.
- the delivery nozzle 1 includes a continuous guide channel 30, which is shown in dashed lines in FIGS. 1 and 2.
- the guide channel 30 penetrates the delivery nozzle 1 and thus forms an inlet at the upper end.
- the stuffer box 3 is likewise shown in broken lines in FIGS. 1 and 2 and formed in a housing 31.
- the housing 31 has on its underside a plug outlet 4, which is connected to the compression chamber 3 in the interior of the housing 1.
- Below the stopper outlet 4, a treatment device 7 is arranged.
- the treatment device 7 has a rotatable treatment drum 8, which is connected via a drive shaft 16 with a rotary drive, not shown here.
- the treatment drum 8 is formed as a hollow cylinder, the drum wall 9 has a plurality of openings.
- the end faces of the treatment drum 8 are closed and coupled via a suction channel 32 with a blower 17.
- the treatment drum 8 is vertically aligned with the drum axis so that the drum wall 9 extends in a vertical direction from an upper end to a lower end.
- the upper end of the drum wall 9 is assigned to the stuffer box 3 at a short distance from the stopper outlet 4.
- the stuffer box 3 is arranged axially parallel to the treatment drum 8, that a yarn plug 6 is guided in a straight run between the stopper 4 of the stuffer box 3 and the periphery of the drum wall.
- the yarn plug is deflected only after hitting the circumference of the drum wall 9 by the rotational movement of the drum wall 9 in the circumferential direction of the treatment drum 8. In this case, the temperature generated by the treatment drum 8 already occurs.
- the yarn plug 6 is deposited on the circumference of the drum wall 9 as the rotary movement continues on the drum wall 9 in several turns.
- a filament bundle 5 is continuously conveyed through the feed nozzle 1 via a preferred hot fluid, for example, a heated compressed air into the stuffer box 3 promoted and compressed there to a yarn plug 6.
- a preferred hot fluid for example, a heated compressed air into the stuffer box 3 promoted and compressed there to a yarn plug 6.
- the treatment device 7 on a cooling air as a temperature control.
- the fan 17 generates a negative pressure in the interior of the treatment drum 8, so that over the gas-permeable drum wall 9, a suction flow is generated from outside to inside.
- an ambient air is used in this embodiment.
- a secure hold of the turns of the yarn plug 6 on the circumference of the drum wall 9 is effected via the suction flow.
- FIGS. 1 and 2 the cooling air flow is used both for tempering and for holding the thread plug on the circumference of the drum wall 9.
- FIG. 3 Another embodiment of the crimping device according to the invention is shown in FIG.
- the exemplary embodiment according to FIG. 3 is essentially identical to the exemplary embodiment according to FIG. 1, so that only the differences will be explained below and otherwise reference is made to the aforementioned description.
- an outer cylinder 10 is assigned.
- the outer cylinder 10 has a gas-permeable cylinder wall 11, which is formed at a short distance enveloping the drum wall 9. Between the drum wall 9 and the cylinder wall 11, an annular chamber 12 for receiving the yarn plug 6 is formed.
- the annular chamber 12 has at the upper end of the treatment drum 8 an inlet opening 13 and on lower end of the treatment drum 8 an outlet opening 14.
- the inlet opening 13 is assigned a segment-shaped holding-down device 15, which acts on the windings of the yarn stopper 6 deposited in the annular chamber 12.
- the outer cylinder 10 is rotatably supported by a bearing device 19 on an upper carrier 20.
- the treatment drum 8 and the stuffer box 3 and the delivery nozzle 1 are identical to the aforementioned embodiment of FIG. 1 executed, so that at this point to avoid repetition no further explanation.
- the yarn plug 6 is guided in a straight run from the stopper outlet 4 of the stuffer box 3 into the annular chamber 12 on the circumference of the drum wall 9.
- the fixation of the thread plug turns on the circumference of the drum wall 9 is in this case essentially taken over by the cylinder wall 11 of the outer cylinder 10.
- the outer cylinder 10 is driven in the same direction over the treatment drum 8.
- an overpressure is generated in the interior of the treatment drum 8 via the fan 17 so that a cooling air flow penetrates the turns of the yarn plug 6 from inside to outside.
- the rotary drive of the outer cylinder 10 takes place via the driven treatment drum 8.
- the yarn stopper windings guided in the annular chamber 12 it is necessary for the yarn stopper windings guided in the annular chamber 12 to be used for rotary transmission.
- FIG. shown a further exemplary embodiment of the curling device according to the invention is shown in FIG. shown.
- the outer cylinder has its own rotary drive, so that both the drum wall 9 and the cylinder wall 11 are drivable in the same direction.
- the embodiment in Fig. 4 has a delivery nozzle 1 and a stuffer box 3, which are identical to the aforementioned embodiments.
- the treatment device 7 is arranged between an upper support 20 and a lower support 21 in this embodiment.
- the lower carrier 21 carries a treatment drum 8, which has a cup-shaped drum wall 9.
- the drum wall 9 is associated with an inner ring 22 having a plurality of fluid channels 23 at the periphery.
- the fluid channels 23 may be formed spirally as a groove or as a plurality of grooves with connecting grooves.
- the fluid channels 23 are coupled to a fluid supply, not shown here.
- a tempered fluid is preferably passed through a liquid, so that the inside of the drum wall 9 is tempered directly via the fluid.
- the inner ring 22 and the drum wall 9 are connected to the drive shaft 16.
- the drive shaft 16 is coupled via a rotary drive 25 with an electric motor 27.
- an outer cylinder 10 is rotatably supported via a bearing device 19.
- the outer cylinder 10 extends with a cylinder wall 11 shell-shaped to the drum wall 9 and forms with the drum wall 9 an annular chamber 12.
- the annular chamber 12 has an obe- re inlet opening 13 and a lower outlet opening 14.
- the inlet opening 13 is covered by a hold-down 15 of the partial circumference.
- the hold-down 15 is held in the upper region of the annular chamber 12 for this purpose.
- a rotary drive 24 which is coupled to the electric motor 27.
- the rotary drive 24 is formed in this embodiment by a rotating ring gear 33 and a held on a motor shaft 26 gear 34.
- the rotary drive 25 of the treatment drum 8 is formed by a gear pair 35 which connects the drive shaft 16 with the motor shaft 26.
- the motor shaft 26 extends for this purpose axially parallel to the treatment drum 8.
- On the upper support 20 of the electric motor 27 is arranged and coupled directly to the motor shaft 26.
- the rotary drives 24 and 25 are designed such that upon rotation of the motor shaft 26, the cylinder wall 11 of the outer cylinder 10 and the drum wall 9 of the treatment drum 8 can be operated without differential speed. Thus, a slip-free guidance of the yarn plug turns within the annular chamber 12 is possible.
- a radiant heater 28 is assigned to the lower support 21 to the lower end of the cylinder wall 11, which in the region of the outlet opening 14 of the annular chamber 12, a temperature control in this case allows heating of the yarn plug.
- Such thermal aftertreatments may in particular favor the fixation of the crimp in the filaments.
- the function of the embodiment of Fig. 4 is substantially identical to the embodiment of Fig. 3. However, the embodiment of Fig. 4 is particularly suitable for performing crimping at higher speeds. Due to the synchronous drive in the drum wall 9 and the cylinder wall 11 a gentle plug treatment is possible even at higher speeds.
- FIG. 3 and 4 each have an annular chamber 12 on the circumference of the treatment drum 8, which is formed by parallel walls 9 and 11 substantially. In principle, however, it is also possible to form the annular chamber 12 on the circumference of the treatment drum 8 with variable chamber cross sections.
- FIG. 5 a further embodiment of the crimping device according to the invention is shown schematically with reference to a section of a cross-sectional view of the treatment device 7. In the embodiment shown in FIG. 5, the treatment device 7 on the circumference of the treatment drum 8 is formed an annular chamber 12 between the drum wall 9 and the cylinder wall 11 of the outer cylinder 10.
- the cylinder wall 11 of the outer cylinder 10 is slightly frusto-conical, so that adjusts a tapering in the axial direction chamber cross-section in the annular chamber 12.
- the annular chamber In the region of the inlet opening 13, the annular chamber has a chamber cross-section, which is preferably larger than a diameter of the yarn plug 6.
- the annular chamber 12 At the lower end of the outer cylinder 10, the annular chamber 12 preferably has a chamber cross-section which is smaller than the diameter of the yarn stopper. fens. This can be done in particular a required for dissolving the yarn plug fixation.
- the drum wall 9 and the cylinder wall 11 each have a plurality of fluid channels 23, which each lead to a tempered fluid for controlling the temperature of the walls 9 and 11.
- the fluid channels are divided into several zones, so that, for example, in an upper region of the annular chamber a cooling and in a lower region of the annular chamber a heating of the yarn plug begins.
- the embodiment shown in Fig. 5 also has the particular advantage that the turns of the yarn plug 6 are guided on a smooth drum wall 9 and a smooth cylinder wall 11. Unwanted collection of individual filaments in shell openings is thus not possible.
- the embodiment of FIG. 5 is particularly suitable for yarns with a fine denier.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012004747A DE102012004747A1 (de) | 2012-03-08 | 2012-03-08 | Kräuselvorrichtung |
| PCT/EP2013/054126 WO2013131810A1 (de) | 2012-03-08 | 2013-03-01 | Kräuselvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2823095A1 true EP2823095A1 (de) | 2015-01-14 |
| EP2823095B1 EP2823095B1 (de) | 2015-12-30 |
Family
ID=47891623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13709806.7A Not-in-force EP2823095B1 (de) | 2012-03-08 | 2013-03-01 | Kräuselvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9371601B2 (de) |
| EP (1) | EP2823095B1 (de) |
| CN (1) | CN104160078B (de) |
| DE (1) | DE102012004747A1 (de) |
| WO (1) | WO2013131810A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321518B (zh) * | 2020-04-17 | 2021-10-15 | 福建恒安集团有限公司 | 一种熔喷无纺布成型装置 |
| CN112030368A (zh) * | 2020-09-25 | 2020-12-04 | 信泰(福建)科技有限公司 | 一种熔喷布的生产线及生产线设备 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE653626A (de) * | 1963-09-26 | |||
| US3469293A (en) * | 1966-06-18 | 1969-09-30 | Asahi Chemical Ind | Method of and apparatus for crimping synthetic fibres |
| US4024610A (en) * | 1975-10-02 | 1977-05-24 | Allied Chemical Corporation | Method and apparatus for texturizing continuous filaments |
| US4118843A (en) * | 1976-07-16 | 1978-10-10 | Barmag Barmer Maschinenfabrik Aktiengesellschaft | Processes and apparatus for thermal treatment of filaments |
| DE2632082C2 (de) | 1976-07-16 | 1983-05-19 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Verfahren zur thermischen Nachbehandlung von gekräuselten thermoplastischen, multifilen Chemiefäden und Vorrichtung zum Durchführen des Verfahrens |
| DE2809204A1 (de) * | 1978-03-03 | 1979-09-13 | Barmag Barmer Maschf | Vorrichtung zum thermischen behandeln, insbesondere zum kuehlen mindestens eines kontinuierlich laufenden in staukammern gebildeten fadenstopfens |
| US4620345A (en) * | 1983-05-19 | 1986-11-04 | Fleissner Gmbh & Company | Apparatus for crimping and setting synthetic fiber groups |
| CN1014728B (zh) * | 1987-10-05 | 1991-11-13 | 里特机械公司 | 热塑性纤维连续卷曲方法及设备 |
| US5054173A (en) * | 1989-05-18 | 1991-10-08 | Barmag Ag | Method and apparatus for the enhanced crimping of multifilament yarn |
| RU2041981C1 (ru) * | 1989-11-11 | 1995-08-20 | Бармаг АГ | Фильера для текстурирования синтетической нити |
| US5974777A (en) * | 1998-04-21 | 1999-11-02 | Davis; David M | Yarn texturizer cooling drum |
| DE50114368D1 (de) * | 2000-03-01 | 2008-11-13 | Oerlikon Textile Gmbh & Co Kg | Verfahren und vorrichtung zum stauchkräuseln |
| US7150083B2 (en) * | 2001-05-10 | 2006-12-19 | Saurer Gmbh & Co. Kg | Compressive crimping device for a synthetic multi-threaded yarn |
| DE10202788A1 (de) * | 2002-01-25 | 2003-07-31 | Rieter Ag Maschf | Texturieranlage und Texturierdüse hierfür |
| ATE513074T1 (de) * | 2003-01-15 | 2011-07-15 | Oerlikon Textile Gmbh & Co Kg | Verfahren und vorrichtung zum spinnen und kräuseln eines synhetischen fadens |
| US7386925B2 (en) * | 2006-10-04 | 2008-06-17 | Dietze & Schell Maschinenfabrik | Process and apparatus for the production of artificial grass |
| EP2084315B1 (de) * | 2006-11-04 | 2014-01-08 | Oerlikon Textile GmbH & Co. KG | Verfahren und vorrichtung zum kräuseln eines multifilen fadens |
-
2012
- 2012-03-08 DE DE102012004747A patent/DE102012004747A1/de not_active Withdrawn
-
2013
- 2013-03-01 WO PCT/EP2013/054126 patent/WO2013131810A1/de not_active Ceased
- 2013-03-01 CN CN201380013187.2A patent/CN104160078B/zh not_active Expired - Fee Related
- 2013-03-01 EP EP13709806.7A patent/EP2823095B1/de not_active Not-in-force
-
2014
- 2014-09-03 US US14/476,015 patent/US9371601B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013131810A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US9371601B2 (en) | 2016-06-21 |
| DE102012004747A1 (de) | 2013-09-12 |
| CN104160078B (zh) | 2016-04-27 |
| EP2823095B1 (de) | 2015-12-30 |
| US20140366348A1 (en) | 2014-12-18 |
| CN104160078A (zh) | 2014-11-19 |
| WO2013131810A1 (de) | 2013-09-12 |
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