CN1323198C - Method and device for melt-spinning and cutting a tow - Google Patents
Method and device for melt-spinning and cutting a tow Download PDFInfo
- Publication number
- CN1323198C CN1323198C CNB038145375A CN03814537A CN1323198C CN 1323198 C CN1323198 C CN 1323198C CN B038145375 A CNB038145375 A CN B038145375A CN 03814537 A CN03814537 A CN 03814537A CN 1323198 C CN1323198 C CN 1323198C
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- tow
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- 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
- D01D5/12—Stretch-spinning methods
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- 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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
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- 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
- D01D13/00—Complete machines for producing artificial threads
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- 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
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- 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
- D01D5/26—Formation of staple fibres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to a method and a device for melt-spinning and cutting a tow for producing staple fibers. According to the invention, a plurality of filament strands is spun using a spinning device and is combined to give a tow. After several treatment steps in several treatment devices the tow is cut in a continuous process to give a staple fiber after spinning. In a treatment device, the tow is guided across a plurality of drawing rollers and is drawn, the tow being treated with a fluid in a treatment line formed between the drawing rollers. In order to reduce especially the problem of irregularities of the physical properties of the fibers in a one-step process, the tow is treated with steam. For this purpose, the tow is guided in a treatment line between drawing rollers through a steam chamber to which a nozzle leads that introduces the steam into the steam chamber under excess pressure.
Description
Technical field
The present invention relates to a kind of melt-spinning of the tow that is used to be used for to make staple fibre and the method for cut-out, in the method: spin a plurality of monofilament bars and described monofilament bar is merged into tow by a polymer melt; Before spinning the back and cutting off, in a plurality for the treatment of apparatus, handle described tow continuously, wherein among in described at least treating apparatus by a plurality of draw rolls guiding tow stretching, and in the processing distance that between draw roll, forms with a kind of fluid treatment tow.The invention still further relates to a kind of device that is used for implementing described method, this device has a device for spinning that is used for the melt-spinning tow, a plurality for the treatment of apparatus and that are used for handling tow are used for cutting off the shearing device of tow, and wherein one for the treatment of apparatus has a plurality of drawn tow draw rolls and have a processing structure that has a fluid in handling distance of being used for.
Background technology
In order to make the known in principle two kinds of dissimilar method and apparatus of staple fibre.In a first method and device, in a simple process, make staple fibre.At this moment tow spin make, stretching, Texturized and cut off and closely to be connected the ground order mutually and to carry out.For example by US 3,259,681 known a kind of such method and a kind of these sampling devices, the present invention sets out thus.
At the second method and the device that are used for making staple fibre, in a two-stage process, make staple fibre.In a first order, spin the tow and it is deposited in the tube made and stretch for this reason.In one second treatment step, a plurality of tow are extracted out from preposition bar tube and be merged into a total strand, in a fiber treatment line (Faserstrasse),, then it is cut into staple fibre its processing.Such two stage process for example is particularly suitable for processing greater than the very thick total fiber number of 200000den, and for example by US 4,639,347 is known for this process.Known in this method, in second treatment step, before cut-out, handle the total strand that stretches fully, so that can carry out shrink process with a steam atmosphere.
In as the simple process of starting point of the present invention, limit pending maximum total fiber number like this, promptly must be mainly tow is extracted out from device for spinning and described tow is stretched by a treating apparatus with a plurality of draw rolls.Particularly when the tow total fiber number is relatively thicker, can find out the inhomogeneities on the fiber physical property especially significantly.In order to improve physical characteristic, according to US 3,259, in 681 the known method before the drawing zone and within be provided with additional liquid bath, on one, reach this moment in the velocity interval of 200m/min and stretch.Here be apparent that especially, needn't additionally heat the improvement that just can realize the result to tow by the liquid in the drawing zone.
For simple process can be moved economically, can reach the speed of 2500m/min at present.But known fluid treatment does not have remarkable influence under this high speed.
Summary of the invention
Therefore the objective of the invention is, a kind of method and apparatus that starts described type is provided, in described method and apparatus, can in a simple process, make staple fibre with even physical characteristic.
Realize by a kind of like this method according to this purpose of the present invention, in the method: spin a plurality of monofilament bars and described monofilament bar is merged into tow by a polymer melt; Before spinning the back and cutting off, in a plurality for the treatment of apparatus, handle described tow continuously, wherein guide tow to stretch by a plurality of draw rolls among in described at least treating apparatus, and in the processing distance that between draw roll, forms with a kind of fluid treatment tow, being characterized as of this method: tow is introduced into a steaming chamber, in handling distance, handling and to heat, and with described fluid as the steam that is in an excessive rolling by means of nozzle introducing steaming chamber.
Described purpose also realizes by a kind of device that is used to implement described method, this device has a device for spinning that is used for the melt-spinning tow, a plurality for the treatment of apparatus and that are used for handling tow are used for cutting off the shearing device of tow, wherein one for the treatment of apparatus has a plurality of draw rolls that are used for drawn tow and have a processing structure that has a fluid in handling distance, it is characterized by: handle structure and be arranged between the draw roll adjacent in the processing distance, handle structure and be made of a steaming chamber and a nozzle that feeds this steaming chamber, described nozzle is introduced steaming chamber with fluid as the steam that is in excessive rolling.
The present invention is based on such understanding, and promptly the position of the formation of drawing point and drawing point has significant effects to the uniformity of physical characteristic when tow stretches.For example known, when stretching, only must cause inhomogeneities forcibly by draw roll heating tow because for the total fiber number of tow for example greater than the situation of 10000den, can't make all monofilament bars of tow arrive a temperature simultaneously.By can carrying out uniform heating to whole monofilament of tow by method of the present invention, and the position and the formation of control stretching district in-draw point on request thus.Realize the physical characteristic of staple fibre and the high uniformity of filament fiber number thus.At melt-spinning with cut off when from device for spinning, extracting and being stretched to the tow of making by polyester of speed of 1200m/min out by a plurality of draw rolls with the speed of 200m/min, can realize by the steam treatment of carrying out in the processing distance between adjacent draw roll according to the present invention, the uniformity of intensity can improve about 40%, it is about 50% that the uniformity of filament fiber number can be improved, and the uniformity of percentage elongation can improve about 30%.The total fiber number of tow is 13000den.
With the steam bundle of a nozzle to the tow effect, to handle and to heat.Here steam is introduced steaming chamber at excessive rolling from nozzle, determines here, can be by changing the homogenising of pressure-controlled to fiber physical property.In order to obtain favourable effect, the overvoltage of steam should be adjusted to a value that is in 2 to 12bar the scope.
In order to obtain effect strong, control tow inner tensile point, steam should have one and be in 80 to 200 ℃ of temperature in the scope.
Be improved like this to the another kind of possibility of the physical characteristic homogenising of fiber, be about to the speed difference that draw roll acts on and adjust to a ratio of determining in handling distance.Here draw ratio can be adjusted in the scope between one 0 to 6, particularly determine, very strong to the influence of physical characteristic homogenising at draw ratio greater than 4 o'clock.
But also can realize a favorable influence by the steam treatment of handling in the distance, utilizing describedly influences speed difference that draw roll acts on and impels tow to enter (Vorlauf) in advance to handle distance in handling distance.This method flexible program is particularly suitable for stretching the back especially for reducing stress immediately at tow.
Therefore also can advantageously a plurality of steam treatment be made up mutually, wherein have in the processing distance of a high draw ratio and carry out one first steam treatment, have in the processing distance that low draw ratio or tow enter in advance one and carry out one second steam treatment one.Preferably adopt saturated vapor or overheated slightly dry steam as steam.
Have a steaming chamber in order to implement this method by device of the present invention, described steaming chamber is arranged between the adjacent draw roll of handling in the distance.Steaming chamber sets a nozzle, is in an excessive rolling steam by this nozzle and is introduced in the described steaming chamber.
In order to realize that nozzle directly points to tow with the jet hole in steaming chamber inside to tow strong processing and action effect.Here the vapor stream that is produced by nozzle both can also can spray into steaming chamber along the opposite direction of tow direct of travel along the tow direct of travel.In order to obtain possible Texturized of the monofilament of tow inside, nozzle is preferably perpendicular to the tow orientation, thereby the steam bundle substantially perpendicularly points to tow in steaming chamber.
The treating apparatus that wherein is used for drawn tow of device of the present invention has a plurality of right improvement projects of being made up of two draw rolls that drive in the same manner respectively of draw roll and has such advantage, promptly can form the big power that is used for drawn tow.Equally also can select a kind of setting that tow is extracted out of helping from device for spinning.
But, tow can adopt the carry-over pinch rolls that are equipped with auxiliary roller (Beilaufrolle) from device for spinning for being extracted out also.Equally also can adopt two carry-over pinch rolls to drawing with same speed.
It is right that the treating apparatus that is used for drawn tow preferably has the draw roll that a plurality of front and back are provided with in proper order, described draw roll between preferably respectively effect adjust differently speed difference.Wherein handle in the distance and can be advantageously provided a heater at least one.
But also can be provided with a plurality of be arranged on lay respectively at two draw rolls between the different disposal distance in heater.
In order to improve the stretching result, several at least draw rolls that draw roll is right are designed to heatable.
Be suitable in principle making by all polymer by method of the present invention with by device of the present invention, especially the staple fibre made of polyester, polyamide or polypropylene.Be used for the steam of steam treatment, the overvoltage and the nozzle setting of steam according to the corresponding polymer type selecting.The speed and the heating that are used for the treating apparatus in-draw roller of drawn tow equally can freely be selected with the quantity of the draw roll that does not heat.Therefore in the manufacturing of staple fibre, provide the flexibility of height by method of the present invention with by device of the present invention, the feature of described staple fibre particularly in it in uniformity as the height on the performance of fiber number, percentage elongation and intensity.Also having obtained thus can chromatic high homogeneity.By using steam treatment can also after stretching, reduce the stress of tow on request.
Description of drawings
Describe in detail by method of the present invention with by device of the present invention with reference to accompanying drawing by means of several embodiment below.
Accompanying drawing is represented:
Fig. 1 schematically illustrated one is according to first embodiment of device of the present invention,
The heater that is used for steam treatment of the schematically illustrated embodiment by Fig. 1 of Fig. 2,
Fig. 3 and 4 illustrates another embodiment according to device of the present invention.
The specific embodiment
Schematically illustrated one by one first embodiment that is used for the device of single-stage manufacturing staple fibre of the present invention among Fig. 1.This device has a device for spinning 1, a plurality of usefulness drawing reference numeral 2,3,4,5 and 6 that is provided with in turn treating apparatus that represent and that describe in detail in the back and cuts off device 7.
Device for spinning comprises a plurality of spinning stations.Four spinning stations with drawing reference numeral 1.1,1.2,1.3 and 1.4 are shown in the present embodiment.Spin out a filament tow 12 by a kind of polymer melt respectively at each spinning station 1.1 to 1.4.The structure of each spinning station 1.1 to 1.4 is identical for this reason, thereby be example with spinning station 1.1 structure of spinning station 1.1 to 1.4 is described.
In each spinning station 1.1 to 1.4, under pressure, import a polymer melt, and extrude described melt by a plurality of annulars of spinning-nozzle 9 or the spinneret orifice of rectangle setting to a spinning-nozzle 9 by a melt input part 8.Melt input part 8 preferably directly is connected on the Spinning pumps (not shown here) for this reason.For example can supply with melt to the Spinning pumps of spinning station 1.1 to 1.4 by an extruder.Below spinning-nozzle, establish a cooling duct 25 and and be connected decline passway 13 above it.In cooling duct 25, be provided with one and be connected an air blowing tube 10 that cools off on the air input part 11 in the inside of filament tow 12.Radially outward pass filament tow 12 by the tube 10 of blowing and blow the cooling air.
Establish a pre-oiling device 14 in the end of decline passway 13, the monofilament bar of filament tow 12 oils by this device and merges.
The filament tow 12 that produces in spinning station 1.1 to 1.4 is merged into a tow 15 respectively, and by means of a stretching device 2 it is extracted out from device for spinning 1.
Oiling device 3 with a plurality of oiling rollers 16 is set, by this oiling device guiding tow 15 between stretching device 2 and device for spinning 1.
Stretching device 2 comprises that draw roll that a plurality of front and back are provided with in proper order is to 17.1,17.2,17.3 and 17.4.Each draw roll has two draw rolls 19 that twined by tow 15 multi-turns respectively to 17.1 to 17.4.Drive a pair of draw roll to 17.1 to 17.4 draw roll 19 with substantially the same circumferential speed.In order to handle tow 15, drive draw roll to 17.1,17.2 with different circumferential speeds, 17.3 and 17.4 draw roll, thus in the processing distance that between draw roll is to 17.1 to 17.4, forms, form a speed difference respectively.Usually here draw roll to 17.1 and draw roll first between to 17.2 handle and adjust to a big speed difference in the distance with drawn tow.Adjust to less speed difference in the subsequent treatment distance between draw roll is to 17.2 to 17.4 or do not have speed difference.
Between draw roll is to 17.1 to 17.2, in the processing distance between them, establish one and handle structure 18.The 26S Proteasome Structure and Function of described processing structure 18 describes in detail in the back.
One Texturized device 4 is set in stretching device 2 back.This Texturized device is usually designed to the stuffer box crimping anamorphic attachment for cinemascope, wherein by a transport tow is pressed in the stuffer box.For example for the Texturized roller that can adopt of 2D as transport, for the Texturized employing delivery nozzles of 3D as transport.Texturized device 4 back are provided with drying device 5, stretching regulator 6 and are provided with shearing device 7 at last.Whether use a drying device to depend on polymer type.
In order to make staple fibre, in by the embodiment of the device of Fig. 1 in device for spinning 1 by extruder for example polyester or polyamide or polypropylene melt change into polymer melt, and under pressure, described melt Conveying is given the corresponding spinning-nozzle 9 of each spinning station 1.1 to 1.4 by Spinning pumps.Spinning-nozzle 9 has the spinneret orifice of a plurality of annulars or rectangular area setting on its downside, and extrudes a plurality of strip monofilament respectively.The monofilament bar of ejection cools off the cooling air cooling of back by producing by means of the tube 10 of blowing in cooling duct 25 from spinning-nozzle 9, and is merged into a filament tow 12 respectively.Wetting at the end of decline passway 13 filament tow 12 by pre-oiling device 14 usefulness oil agents, and be merged into a tow 15 with adjacent filament tow.By stretching device 2 tow 15 is extracted out from device for spinning 1 in addition.Before first draw roll that tow 15 arrives stretching devices 2 was to 17.1, tow 15 passed through oiling roller 16 damping once more oiling device 3 in.But also can adopt the pin that oils to carry out damping.Then in stretching device 2 tow 15 is stretched, wherein adjust to a speed difference between draw roll is to 17.1 and 17.2, this speed official post tow is stretched in the processing distance that forms between draw roll is to 17.1 and 17.2.At this moment additionally use steam treatment and heating tow 15 in the processing distance between draw roll is to 17.1 and 17.2.
In order to handle tow 15, be arranged on the processing structure of handling in the distance 18 and form by the structure that schematically shows among Fig. 2.Handle the steaming chamber 20 that structure 18 has an inlet 24 and one outlet 23.Inlet 24 and outlet 23 are oppositely arranged in steaming chamber 20, thereby bootable tow 15 passes steaming chamber 20 along straight path basically.There are one or more nozzles 22 to feed in the steaming chamber 20 at inlet 24 with between exporting 23.Nozzle 22 is connected with a unshowned here vapour source.In steaming chamber 20, spray a steam 21 that is in excessive rolling by nozzle 22.Nozzle 22 has a nozzle bore 26 that preferably directly points to tow 15, thereby vapor stream directly arrives on the tow 15.Steam 21 has at least 80 ℃ of maximum temperature of 200 ℃.
Owing to,, still can realize all the monofilament bars in the tow 15 are carried out all even strong processing and heating although the monofilament bar of tow 15 is under the stress effect at the high-energy of steaming chamber steam inside bundle.So by in handling distance, tow 15 being carried out strong steam treatment, can the advantageously formation of control stretching point when drawn tow.Here tow 15 both can also can thermally be extracted out 17.1 draw roll 19 by first draw roll on cold ground in advance.
For tow 15 is further processed, by carrying out an other processing to 17.2,17.3 and 17.4 at the draw roll shown in Fig. 1.Here be preferably in draw roll same purpose one between 17.2 and 17.3 is adjusted to the speed difference that tow 15 is carried out another after-drawing.Preferably drive draw roll to 17.3 and 17.4, so that tow 15 can relax with identical circumferential speed.
For further processing, the tow that is stretched is Texturized in Texturized device 4.Texturized for this reason device 4 preferred design become the stuffer box crimping anamorphic attachment for cinemascope, wherein by means of a transport tow are pressed in the stuffer box.Then Texturized tow is flowed to a drying device 5, and with the tension force of determining it is flowed to shearing device 7 by stretching regulator 6.In shearing device 7, tow 15 is cut into staple fibre.
In order to make staple fibre, in a product example, at first spin the tow that total fiber number is about 13000den with device for spinning 1 by polyester.Here tow is extracted out from device for spinning 1 with the speed of 200m/min.For drawn tow 15, draw roll is adjusted to one 4.7 draw ratio to the speed difference between 17.1 and 17.2.Draw roll forms one 1.1 draw ratio to the speed difference between 17.2 and 17.3.Draw roll does not access speed difference between 17.3 and 17.4.Tow is exported from stretching device 2 with the speed of 1200m/min.For tow 15 is heat-treated, first draw roll is heated to 80 ℃ to 17.1, draw roll is heated to 125 ℃ to 17.2, and draw roll is heated to 170 ℃ to 17.3, and draw roll is to 17.4 to 120 ℃.
Tow is Texturized in Texturized device 4 with the speed of 1220m/min, follows drying and cuts into staple fibre.In first experimental series, do not carry out other additional treatments in to the processing distance of 17.1 and second draw roll between to 17.2 at first draw roll.Handle structure 18 and in second experimental series, in handling distance, adopt.The saturated vapor that for this reason will have the 6bar overvoltage is introduced steaming chamber 20 by nozzle 22.The temperature of steam is about 160 ℃.
According to measurement to physical characteristic such as intensity and percentage elongation, can determine the tangible homogenising of numerical value, the decentralization of measurement data can be by improving 20% to more than 50% by method of the present invention.Particularly can also realize the improvement of filament number uniformity 50%.
Device according to the present invention is illustrative in the quantity for the treatment of apparatus with selecting by the structure of the embodiment of Fig. 1.There is the possibility of introducing additional processing and handling level in principle.For the method according to this invention and importantly, according to device of the present invention stretch and relax zone in tow is carried out strong steam treatment.For the important particularly monofilament of the result of the method according to this invention molecular structure of preorientation slightly only.
Provide another embodiment among Fig. 3 according to device of the present invention.Here Fig. 3 only illustrates and has altogether four draw rolls to 17.1 to 17.4 stretching device 2.Here unshowned treating apparatus and device for spinning 1 and shearing device 7 are equivalent to above-mentioned embodiment by Fig. 1.Therefore can be with reference to above-mentioned explanation, here only part is distinguished in explanation.
Implement the embodiment according to device of the present invention of a kind of flexible program of the method according to this invention in being used for shown in Fig. 3, handle structure 18 be arranged on draw roll to 17.3 and draw roll in the processing distance between 17.4.This handles distance is not to be used for tow 15 is stretched but to be used for it is carried out after-baking basically.But surprisingly, also can realize here to the better homogenising of tow physical characteristic and to the better homogenising of filament number.Particularly verified, with draw roll to 17.3 and the speed difference of draw roll between to 17.4 be adjusted at 0 o'clock, higher uniformity in the time of can realizing causing tow to enter the speed difference of handling distance in advance than employing.So the intensity of tow steam treatment and the decisive influence that uniformity is subjected to the monofilament stress state.
Therefore the embodiment by Fig. 4 is particularly suitable for, and makes the staple fibre of optimizing in a simple process.Only illustrate by stretching device 2 equally at the embodiment shown in Fig. 4 with the part by device of the present invention.All other device is equivalent to the embodiment by Fig. 1, therefore here with reference to above-mentioned explanation.
In the embodiment shown in fig. 4 draw roll to 17.1 and draw roll first between to 17.2 handle and be provided with one first in the distance and handle structure 18.1.In the exit of stretching device 2 draw roll to 17.3 and draw roll last between to 17.4 handle and establish one second in distance and handle structure 18.2.Handling structure 18.1 and 18.2 has in the structure shown in Fig. 2.Here directed like this for handling structure 18.1 nozzles, the steam bundle is flowed along the tow direct of travel.In contrast, handle structure 18.2 and have such structure, promptly wherein nozzle in steaming chamber, produces one with the mobile on the contrary steam bundle of tow 15 direct of travels.But also can structurally be designed to processor 18.1 and 18.2 identical.
Polymer to be processed is depended in the structure of processing structure and the setting of steam treatment basically in by the embodiment shown in Fig. 1,3 and 4.Therefore preferably make staple fibre by polyester, polyamide or polypropylene.
The Reference numeral table
1 device for spinning
1.1,1.2,1.3,1.4 spinning stations
2 stretching devices
3 oiling devices
4 Texturized devices
5 drying devices
6 stretching regulators
7 shearing devices
8 melt input pipes
9 spinning-nozzles
10 air blowing tubes
11 cooling air input pipes
12 filament tows
13 decline passwaies
14 pre-oiling devices
15 tow
16 oiling rollers
17.1,17.2,17.3,17.4 draw rolls are right
18 handle structure
19 draw rolls
20 steaming chambers
21 steam
22 nozzles
23 outlets
24 inlets
25 cooling ducts
26 jet holes
Claims (14)
1. be used for melt-spinning and cut off a tow to make the method for staple fibre, wherein: spin a plurality of monofilament bars and described monofilament bar is merged into tow by a polymer melt; Before spinning the back and cutting off, in a plurality for the treatment of apparatus, handle described tow continuously, wherein guide tow to stretch by a plurality of draw rolls among in described at least treating apparatus, and in the processing distance that between draw roll, forms with a kind of fluid treatment tow, it is characterized by: tow is introduced into a steaming chamber, in handling distance, handling and to heat, and with described fluid as the steam that is in an excessive rolling by means of nozzle introducing steaming chamber.
2. by the described method of claim 1, it is characterized by: the steam bundle that is produced by nozzle directly points to described tow in steaming chamber.
3. by claim 1 or 2 described methods, it is characterized by: the overvoltage of described steam is adjusted to a value in 2 to 12bar the scope.
4. by claim 1 or 2 described methods, it is characterized by: steam is a kind of saturated vapor or a kind of overheated dry steam and has one and be in 80 ℃ to the 200 ℃ temperature in the scope.
5. by claim 1 or 2 described methods, it is characterized by: the speed difference by acting on the draw roll on the tow in handling distance is with a draw ratio in 0 to 6 the scope described tow that stretches.
6. by claim 1 or 2 described methods, it is characterized by: described tow is introduced with a lead by the speed difference that acts on the draw roll on the tow in handling distance and is handled distance.
7. by claim 1 or 2 described methods, it is characterized by: described tow is additionally by the draw roll of at least one heating before steam treatment or after the steam treatment or additionally by second steam treatment heating that is arranged on the back.
8. be used for implementing device by each described method of claim 1 to 7, has a device for spinning (1) that is used for melt-spinning tow (15), a plurality for the treatment of apparatus (2 that are used for handling tow (15), 3,4,5,6) and a shearing device (7) that is used for cutting off tow (15), wherein one for the treatment of apparatus (2) has a plurality of draw rolls (19) that are used for drawn tow (15) and have a processing structure (18) that has a fluid (21) in handling distance, it is characterized by: handle structure (18) and be arranged between the draw roll (19) adjacent in the processing distance, handle structure (18) and be made of the nozzle (22) that a steaming chamber (20) and feeds this steaming chamber (20), described nozzle (22) is introduced steaming chamber (20) with fluid as the steam that is in excessive rolling (21).
9. by the described device of claim 8, it is characterized by: steaming chamber (20) has an inlet (24) and an outlet (23), can pass described entrance and exit guiding tow (15); And nozzle (22) points to tow (15) with the jet hole (26) in the steaming chamber (20).
10. by claim 8 or 9 described devices, it is characterized by: steam (21) is formed by saturated vapor or overheated dry steam, and described steam has one and is in 80 ℃ to the 200 ℃ temperature in the scope.
11. by claim 8 or 9 described devices, it is characterized by: the treating apparatus (2) that is used for drawn tow (15) has a plurality of draw rolls of being made up of two draw rolls (19) that similarly drive respectively to (17.1-17.4), wherein one first draw roll is arranged on device for spinning (1) back to (17.1), so that tow (15) is extracted out from device for spinning (1).
12., it is characterized by: between adjacent draw roll is to (17.1,17.2), form and handle distance, effect one speed difference that between draw roll is to (17.1,17.3,17.4), adjusts in described distance by the described device of claim 11; It is right at first draw roll back to be provided with a plurality of other draw rolls in this wise, to form a plurality of processing distances; And at least one handles distance set handling structure (18).
13., it is characterized by: a plurality of processing structures (18.1,18.2) that are located at respectively in one of described processing distance are set by the described device of claim 12.
14. by the described device of claim 11, it is characterized by: at least one draw roll is designed to heatable to the draw roll (19) of (17.1-17.4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10230964.7 | 2002-07-10 | ||
| DE2002130964 DE10230964A1 (en) | 2002-07-10 | 2002-07-10 | Method and device for melt spinning and cutting a spun tow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1662682A CN1662682A (en) | 2005-08-31 |
| CN1323198C true CN1323198C (en) | 2007-06-27 |
Family
ID=29761800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038145375A Expired - Fee Related CN1323198C (en) | 2002-07-10 | 2003-07-01 | Method and device for melt-spinning and cutting a tow |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1520065B1 (en) |
| CN (1) | CN1323198C (en) |
| DE (2) | DE10230964A1 (en) |
| WO (1) | WO2004007817A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103168120A (en) * | 2010-10-22 | 2013-06-19 | 欧瑞康纺织有限及两合公司 | Device for producing strand-shaped products |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7585445B2 (en) | 2002-09-26 | 2009-09-08 | Saurer Gmbh & Co., Kg | Method for producing high tenacity polypropylene fibers |
| JP4469260B2 (en) * | 2004-11-22 | 2010-05-26 | 三菱レイヨン株式会社 | Tow Band Manufacturing Method |
| WO2013076017A1 (en) | 2011-11-26 | 2013-05-30 | Oerlikon Textile Gmbh & Co. Kg | Device for producing a tow |
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- 2003-07-01 EP EP03740395A patent/EP1520065B1/en not_active Expired - Lifetime
- 2003-07-01 DE DE50306916T patent/DE50306916D1/en not_active Expired - Fee Related
- 2003-07-01 CN CNB038145375A patent/CN1323198C/en not_active Expired - Fee Related
- 2003-07-01 WO PCT/EP2003/006983 patent/WO2004007817A1/en active IP Right Grant
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| US3259681A (en) * | 1962-04-27 | 1966-07-05 | Ici Ltd | Polyester filaments |
| US4704329A (en) * | 1984-03-16 | 1987-11-03 | E. I. Du Pont De Nemours And Company | Annealed polyester filaments and a process for making them |
| CN1057302A (en) * | 1990-06-14 | 1991-12-25 | 纳幕尔杜邦公司 | Be used to strengthen the monofilament polyester of tire |
| JPH05156512A (en) * | 1991-05-22 | 1993-06-22 | Bayer Ag | Preparation of polyacrylonitrile fiber and tow with low residual solvent content |
| CN1111688A (en) * | 1994-02-28 | 1995-11-15 | 巴马格股份公司 | Method and apparatus for heating synthetic filement |
| JP2002088607A (en) * | 2000-09-12 | 2002-03-27 | Toray Ind Inc | Method for producing synthetic staple fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103168120A (en) * | 2010-10-22 | 2013-06-19 | 欧瑞康纺织有限及两合公司 | Device for producing strand-shaped products |
| CN103168120B (en) * | 2010-10-22 | 2015-08-26 | 欧瑞康纺织有限及两合公司 | For the manufacture of the equipment of the product of strip |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1520065B1 (en) | 2007-03-28 |
| DE50306916D1 (en) | 2007-05-10 |
| EP1520065A1 (en) | 2005-04-06 |
| DE10230964A1 (en) | 2004-01-22 |
| WO2004007817A1 (en) | 2004-01-22 |
| CN1662682A (en) | 2005-08-31 |
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