CN103403234B - Equipment for melt spinning - Google Patents

Equipment for melt spinning Download PDF

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Publication number
CN103403234B
CN103403234B CN201280010098.8A CN201280010098A CN103403234B CN 103403234 B CN103403234 B CN 103403234B CN 201280010098 A CN201280010098 A CN 201280010098A CN 103403234 B CN103403234 B CN 103403234B
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CN
China
Prior art keywords
nozzle
spinning
melt
equipment according
filter
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Expired - Fee Related
Application number
CN201280010098.8A
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Chinese (zh)
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CN103403234A (en
Inventor
M·菲舍尔
J·施特尔
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Oerlikon Textile GmbH and Co KG
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Oerlikon Textile GmbH and Co KG
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Publication of CN103403234A publication Critical patent/CN103403234A/en
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Expired - Fee Related legal-status Critical Current
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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D4/00Spinnerette packs; Cleaning thereof
    • D01D4/06Distributing spinning solution or melt to spinning nozzles
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00Treatment of filament-forming or like material
    • D01D1/06Feeding liquid to the spinning head
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00Treatment of filament-forming or like material
    • D01D1/10Filtering or de-aerating the spinning solution or melt
    • D01D1/106Filtering
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • D01D5/082Melt spinning methods of mixed yarn

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

The present invention relates to the equipment of the melt spinning of a kind of compound (1) silk thread for being formed by multiple endless tows.Described equipment has: being used for extruding multiple device for spinning of multiple endless tow and multiple tractive and stretching device, by described tractive and stretching device, endless tow can create the part silk thread with different stretch degree.In a spinning position, multiple endless tow is extruded in order to expend with alap equipment, according to the present invention, device for spinning is formed by spinning-nozzle device, described spinning-nozzle device has many groups nozzle bore on the nozzle plate, described spinning-nozzle device has at least one dispenser device, described dispenser device, for producing the volume flow differed of a kind of polymer melt, can extrude endless tow parallel with described volume flow.

Description

Equipment for melt spinning
Technical field
The present invention relates to the equipment of a kind of compound (1) silk thread formed for melt spinning by multiple endless tows.
Background technology
In the melt spinning of synthetic thread, generally producing multifilament threads, described multifilament threads is formed by many strip long filaments.Each long filament is restrainted into silk thread, is stretched and is wound up on reel during melt spinning process.But, this synthetic thread is unsuitable for being applied in textile and therefore to produce the surface texture determined due to its smooth structure, for instance curling and reprocessed in being processed further process.Obtain a kind of structure to reprocess synthetic thread with heat, increase in a melt spinning process and manufacture the compound (1) silk thread formed by the endless tow of at least two different stretch.Therefore, it is known to, the shrinkage characteristics of synthetic thread depends on level of stretch.Therefore, compound (1) silk thread has group leader's silk, and described long filament demonstrates higher Shrinkage behavior relative to second group leader's silk.In the process of the heat treatment of the compound (1) silk thread formed by this way, long filament thus occurs the annulus with little contraction.This yarn is called so-called BSY (bi-shrinkage yarn) in speciality circles.
WO2006/094538A1 discloses a kind of equipment for this compound (1) silk thread of melt spinning.In known device, two endless tows of parallel production side by side.For this, multiple device for spinning are arranged with the form of spinning head, and described spinning head is via independent spinning pump supply of polymer melt respectively.Each of which in spinning head produces an endless tow.Endless tow and is differently stretched as part silk thread tractive by withdrawing device after extrusion.Desired difference in this expands endless tow physical characteristic further also by different cooling means so that two endless tows can jointly form compound (1) silk thread and wind as a reel when process terminates.
In order to obtain in compound (1) silk thread the determination mass ratio between endless tow, it is possible to control the often a branch of extrusion in endless tow independently from each other.Therefore, to the spinning pump that two device for spinning configurations separate, described spinning pump produces for independently from each other for extruding the melt flow of endless tow.Therefore, although this equipment provides high flexibility when producing compound (1) silk thread, but its inferior position is in that: have high-tech equipment requirement, with for parallel spinning filament yarn bundle.
Summary of the invention
Therefore, it is an object of the invention to, the equipment of the generic of the so further melt spinning improved for the compound (1) silk thread formed by multiple endless tows, enabling utilize alap equipment to expend and extrude endless tow parallel.
It is a further object to provide the equipment of the generic of a kind of melt spinning for compound (1) silk thread, described equipment is particularly compact and is suitable to manufacture the many compound (1) silk threads with tight spinning spacing.
It is achieved in described purpose according to the present invention, wherein, device for spinning is formed by spinning-nozzle device, described spinning-nozzle device has many groups nozzle bore on the nozzle plate, and, spinning-nozzle device has at least one dispenser device, for producing the volume flow differed of a polymer melt, described volume flow can extrude endless tow parallel.
The present invention is not also by the impact of the equipment for many multifilament threads of melt spinning known from WO2005/098098A1.In known device, multiple endless tows are extruded by spinning-nozzle device parallel side by side, wherein, the melt guide that respectively respectively the configuration of group nozzle bore is independent, to extrude two parallel part melt flow, the parallel part melt flow of said two is produced by two spinning pumps, in order to form multiple long filament bar respectively.Each endless tow is all pulled and is drawn as the multifilament threads with identical characteristics.In this sense, it is known that equipment is suitable only for manufacturing many multifilament threads of identical characteristics.
But, according to the equipment of the present invention based on spinning-nozzle device, wherein, inside spinning-nozzle device, produce the melt flow being allocated to each group of nozzle bore with different size of volume flow.For this, spinning-nozzle device has at least one dispenser device, can be produced to be supplied to the volume flow of each group of nozzle bore by a kind of polymer melt by described dispenser device.Therefore, it is possible to advantageously produced compound (1) silk thread by many group leaders tow, described each group leader's tow is different in fiber number size.
Equipment according to the present invention is characterised by, dispenser device forms a construction unit with spinning-nozzle device, and described construction unit can be integrated in spinning position.Therefore, manifold can be advantageously implemented as holding the support of spinning-nozzle device and insulation and heater, described manifold side by side keep multiple spinning-nozzle devices with dispenser device, be used for manufacturing many compound (1) silk threads.The present invention further advantages is that the capacity distribution that can produce polymer melt drives energy without other, described capacity distribution is determined by the dispenser device in spinning-nozzle device, and substantially produces the mass ratio determined by dispenser device during the whole service persistent period of spinning-nozzle device.
Preferably passively implement the dispenser device being combined in spinning-nozzle device.At this, all guides comprised in spinning-nozzle device all can be used in guiding polymer melt at this in principle, in order to produces not grade or equal volume flow, with the many groups nozzle bore fed in nozzle plate.At this, it is possible to the multiple guides of overall use, to obtain in the endless tow extruded for the desired Mass Distribution of compound (1) silk thread manufacture process.
Therefore, dispenser device can be formed by multiple melt canals according to the favourable structure further of the present invention, in each group of nozzle bore one group is connected to melt connecting portion by described melt canal respectively, and described melt canal is implemented by different size of through flow cross section.Therefore ensuring that the amount of the polymer melt for extruding endless tow is distributed, the distribution of described amount is set by the through flow cross section of melt canal is fixing.
But there is also following probability, i.e. such as when the flow resistance of melt canal is unequal due to the melt canal of different length, the through flow cross section of each melt canal is constituted with the through flow cross section of equal sizes.
Because generally filtering the polymer melt of supply in nozzle bore before extrusion, so the deformation program of the present invention provides other probability of the not equal-volume stream for producing polymer melt.In this deformation program, dispenser device is formed by multiple filter cells, and described filter cell is arranged in independent filter chamber inside and has the flow resistance differed, and wherein, described filter chamber is connected to each group of nozzle bore.For this meaning, the through-flow characteristic of filter cell is for affecting mass flux during extrusion long filament.
Alternatively, however or additionally, there is also such probability, i.e. use the open cross-section of the quantity of nozzle bore and/or nozzle bore as dispenser device, to obtain desired long filament cross section and melt throughput when extruding endless tow.For this, each group nozzle bore its nozzle bore quantitative aspects or and/or the open cross-section of nozzle bore in identical or be differently composed.
In the device in accordance with the invention, advantageously produced for extruding the melt pressure needed for endless tow by common spinning pump.In this sense, it is preferred to use the further make of the present invention, wherein, arranging following spinning pump, described spinning pump is connected to melt source at entrance side and is connected to the melt connecting portion being allocated to spinning-nozzle device at outlet side.
Because the Requirements Verification of this compound (1) silk thread is not used main equipment, and therefore, in main equipment, only a little spinning position is used for manufacturing compound (1) silk thread, the especially beneficial part of the further structural scheme of the present invention is in that, wherein, spinning-nozzle device can be changed and can releasably be maintained in nozzle support.For this, spinning-nozzle device has cylindric or rectangular housing, is used for holding nozzle version, and described housing can releasably be connected to nozzle support.Accordingly, there exist such probability, i.e. make spinning-nozzle device be combined in manifold, described manifold supports and is traditionally used for manufacturing the nozzle assembly of single endless tow.Thus a little spinning position being used for manufacturing multifilament threads up to now in main equipment can be reequiped with method in a straightforward manner afterwards, such as to extrude two endless tows in spinning position, said two endless tow is stretched as part silk thread and then jointly forms compound (1) silk thread.
Housing at this spray nozzle device can be configured to so that filter plate is arranged in above nozzle plate, and described filter plate keeps the filter chamber with filter cell above each group of nozzle bore.
Furthermore, it is possible to housing has adaptation board relative to nozzle support, described adaptation board has upper melt inlet and the melt canal being passed in the filter chamber of filter plate, wherein said melt inlet and melt connecting portion mating reaction.
, there is following probability, housing or adaptation board at this and be likely to be of fastening screw thread, described fastening screw thread and the matching thread mating reaction in nozzle support in the structural architecture according to nozzle support.Thus such as can directly the spinning-nozzle device of pre-assembly be fastened in nozzle support via housing.
For tractive and independent elongate filaments bundle, tractive and stretching device are preferably formed by multiple powered godets, wherein, arrange at least one tractive godet, in order to common drawing thread bundle.Alternately, there is also such probability, i.e. be respectively configured independent tractive godet for often organizing nozzle bore.
Therefore it is particularly suited for manufacturing multi-filament line with minimum spinning spacing according to the equipment for the melt spinning of compound (1) silk thread of the present invention.Thus two endless tows such as forming the part silk thread with different silk thread fiber number can advantageously directly manufacture side by side parallel in a spinning position.
Accompanying drawing explanation
By embodiment and set forth the equipment according to the present invention in greater detail below with reference to accompanying drawing.
Fig. 1 is the schematic diagram of the first embodiment of the equipment according to the present invention.
Fig. 2 is the schematic cross-sectional view of the spinning-nozzle device of the embodiment of Fig. 1.
Fig. 3 is the schematic viewgraph of cross-section of the spinning-nozzle device of the other embodiments of the equipment according to the present invention.
Fig. 4 is the schematic plan of the nozzle plate of the other embodiments of spinning-nozzle device.
Detailed description of the invention
In fig. 1 it is shown that the schematic diagram of the first exemplary embodiment according to the equipment of the compound (1) silk thread formed by multiple endless tows for melt spinning of the present invention.Illustrate the exemplary embodiment being in running status, in described running status, a spinning position is extruded two endless tows of Parallel Boot, stretches said two endless tow forming portion sub-wire line and then jointly form compound (1) silk thread.For this, the nozzle support 1 of heating is arranged in spinning position, and described nozzle support 1 supports with the device for spinning of spinning-nozzle device 2 formal construction on downside, and described device for spinning is used for extruding multiple endless tow.Spinning-nozzle device 2 has two groups of nozzle bores 4.1 and 4.2 on downside, and the polymer melt of volume flow rate is fed into via dispenser device 3 and often organizes nozzle bore.For this, spinning-nozzle device 2 is connected to spinning pump 6 via melt connecting portion 29.At entrance side, spinning pump 6 is connected to melt source (not shown at this) via melt inlet 45, for instance extruder or rear pump.Spinning pump 6 is maintained on the upside of nozzle support 1 and is driven by pump drive 7.
Below nozzle support 1, it is arranged to the chiller 13 by cooling down the new long filament bar extruded of air stream cooling.In this embodiment, chiller 13 is formed by cooling cylinder 14, and described cooling cylinder 14 has breathable wall and is arranged in the inside of pressure chamber 15.Cooling cylinder 14 is centrally arranged relative to spinning-nozzle device 2 so that the long filament bar newly extruded out is by cooling down cylinder 14.
The pressure chamber 15 of chiller 13 is connected to the apparatus of air conditioning via air connection piece 16.In the embodiment of the chiller 13 that figure 1 illustrates, pressure chamber 15 is configured to two parts, and wherein air connection piece 16 is passed in lower room.Lower room is separated with upward pressure room by orifice plate, and described upward pressure room comprises the breathable section of cooling cylinder so that cooling air is flowed into the inside of cooling cylinder from upward pressure room.
The chiller 13 being shown in which be exemplary and also can pass through lateral arrangement have blow wall pressure chamber formed, described in blow wall produce transversal orientation cooling air stream.
Multiple pulling device and stretching device it is arranged below, for after extrusion from spinning-nozzle device 2 drawing thread bundle at chiller 13.In this embodiment, first group of nozzle bore 4.1 endless tow 8.1 extruded stretches forming portion sub-wire line 9.1 by tractive godet 11 tractive and by tensile wire roller 17.The endless tow 8.2 produced by second group of nozzle bore 4.2 is by independent tractive Galette unit 12 tractive and is stretched by independent tensile wire roller unit 18 and forms Part II silk thread 9.2.
Eddy deformation device 19 is positioned at tractive and the downstream part of stretching device 11,12,17 and 18, and by described eddy deformation device 19, part silk thread 9.1 and 9.2 jointly forms compound (1) silk thread 10.
When process terminates, compound (1) silk thread 10 is wound to reel.For this, be provided with coiler device 21, described coiler device 21 has multiple winding position side by side, for many compound (1) silk threads are wound to each reel simultaneously.Therefore, usual multiple spinning-nozzle devices 2 are maintained in nozzle support 1 side by side, can manufacture many compound (1) silk threads 10 simultaneously.In this embodiment, coiler device 21 has the winding position 23.1 to 23.4 of total of four, altogether will be wound to reel 25.1 to 25.4 parallel by four compound (1) silk threads 10.
Reel 25.1 to 25.4 is wound on the first Spulspindelspulspindel 22.1, and described Spulspindelspulspindel 22.1 is to be maintained in the way of overhanging on winding turntable 24.Winding turntable 24 supports the second Spulspindelspulspindel 22.2, and described second Spulspindelspulspindel 22.2 is alternatively used for winding continuously compound (1) silk thread, to produce reel.For reel spool 25.1 to 25.4, corresponding Spulspindelspulspindel 22.1 or 22.2 and pressure roll 27 and traversing gear 26 mating reaction.
In the embodiment shown in fig. 1, discharging godet 20 and being respectively configured to the deflection roll 28 of winding position to carry compound (1) silk thread via lateral arrangement.In this way it is possible to implement the distribution of the substantially horizontal orientation of silk thread.
Now in order to be affected the physical characteristic being stretched generation by difference of part silk thread 9.1 and 9.2 by predetermined mass ratio, the dispenser device 3 of spinning-nozzle device 2 can such as be formed by different melt canals.This spinning-nozzle device 2 illustrates with the sectional elevation in Fig. 2 and will be explained in greater detail below.
In the embodiment of the spinning-nozzle device 2 shown in Fig. 2, the device for spinning for extruding multiple endless tow is formed at nozzle plate 40.It is internal that nozzle plate 40 is maintained at tubular shell 30.Nozzle plate 40 has two groups of nozzle bores 4.1 and 4.2.Nozzle bore 5.1 in first group of nozzle bore 4.1 in its open cross-section with and nozzle bore 5.2 in its quantitative aspects and second group of nozzle bore 4.2 identical.For this, nozzle bore 5.1 and 5.2 be evenly distributed in nozzle plate 40 on this semilune exit surface not illustrated in more detail.
Inside housing 30, filter plate 36 is supported on nozzle plate 40, and described filter plate 36 collectively forms two collecting chambers 41.1 and 41.2 with nozzle plate 40, and described collecting chamber 41.1 and 41.2 extends in the surface of nozzle bore 5.1 and 5.2.Collecting chamber 41.1 and 41.2 is connected to the filter chamber 37.1 and 37.2 of correspondence respectively via multiple distributor apertures 39.One filter cell 38.1 and 38.2 is kept at filter chamber 37.1 and 37.2 inside.Filter chamber 37.1 and 37.2 extends up to the upside of filter plate 36.Adaptation board 31 adjoins the upside of filter plate 36.Adaptation board 31 is maintained in housing 30 by locking ring 42.Locking ring 42 is at this with locking screw thread 43 mating reaction, and described locking screw thread 43 is formed in the end of housing 30.In middle section, adaptation board 31 has jointing 46, and described jointing 46 is releasably attached to nozzle support 1 via fastening screw thread 32.
Jointing 46 has central melt inlet 34, and the melt connecting portion 29 of described central authorities melt inlet 34 and nozzle support 1 interacts.Seal cartridge 33 is arranged between nozzle support 1 and adaptation board 31 at this.Inside adaptation board 31, melt inlet 34 passes in two melt canals 35.1 and 35.2, and said two melt canal 35.1 and 35.2 passes in filter chamber 37.1 and 37.2.Melt inlet 34 is thus connected to filter chamber 37.1 by melt canal 35.1.Melt inlet 34 is connected to filter chamber 37.2 via melt canal 35.2.In this embodiment, melt canal 35.1 and 35.2 forms dispenser device 3, and by described dispenser device, the polymer melt of supply is divided into different size of two volume flows.In order to produce between volume flow fixed-ratio really, melt canal 35.1 has open cross-section freely, and described opening section freely is less than the open cross-section of melt canal 35.2.Thus, produce the polymer melt of different size of volume flow by melt canal 35.1 and 35.2 and feed it directly to filter chamber 37.1 and 37.2.The polymer melt of two volume flows is separately guided to collecting chamber 41.1 and 41.2 from filter chamber 37.1 and 37.2 via multiple dispensing orifices 39 of filter plate 36.Part melt flow is extruded to form long filament from collecting chamber 41.1 and 41.2 respectively through the nozzle bore 5.1 and 5.2 of the configuration of two nozzle bore groups 4.1 and 4.2.
In the embodiment shown in fig. 1, the main melt flow produced by spinning pump 6 is supplied to spinning-nozzle device 2 under pressure strip.In spinning-nozzle device 2, main melt flow enters via melt connecting portion 29 and melt inlet 34, in order to guided distributively to filter chamber 37.1 and 37.2 with predetermined ratio by melt canal 35.1 and 35.2 subsequently.Therefore, produce small volume flow via melt canal 35.1 and produced the polymer melt of large volume flow by melt canal 35.2.Being filtered after volume flow by filter cell 38.1 and 38.2, described volume flow is fed into nozzle bore group 4.1 and 4.2 and be extruded into two endless tows 8.1 and 8.2.At this, the melt throughput when extruding endless tow 8.1 is lower than the melt throughput in extrusion endless tow 8.2 so that the part silk thread 9.1 and 9.2 formed by endless tow 8.1 and 8.2 has different denier count as received.
As it is shown in figure 1, part silk thread 9.1 is drawn into the silk thread that part stretches, i.e. so-called POY silk thread via tractive godet 11 and tensile wire roller 17.And part silk thread 9.2 is formed as fully drawn yarn line via tractive Galette unit 12 and tensile wire roller unit 18, i.e. so-called FDY silk thread so that formed compound (1) silk thread 10 by the endless tow of different stretch.
In fig. 3 it is shown that other exemplary embodiment of spinning-nozzle device 2, the embodiment according to Fig. 1 such as can be applied to such as it.
Illustrate the embodiment of spinning-nozzle device 2 according to Fig. 3 with sectional view, structure is basic identical with the embodiment of the spinning-nozzle device according to Fig. 2 and only explains difference in this sense below.
In the embodiment shown in fig. 3, the housing 30 of spinning-nozzle device 2 is directly screwed together with nozzle support 1 with an end via fastening screw thread.Adaptation board 31 is maintained on the jointing 46 of nozzle support 1 at this, and described adaptation board 31 is maintained in housing 30.Jointing 46 has melt connecting portion 29, described melt connecting portion 29 and melt inlet 34 mating reaction in adaptation board 31.Junction surface between nozzle support 1 and adaptation board 31 is sealed by seal cartridge 33.
Inside the adaptation board 31 being maintained at by locking ring 42 in housing 30, constituting has two melt canals 35.1 of identical through flow cross section to be passed into an end with 35.2 to be passed into relative end in the filter chamber 37.1 and 37.2 in the downstream of filter plate 36 in melt inlet 34.Therefore, melt canal 35.1 is allocated to filter chamber 37.1 and melt canal 35.2 is passed into filter chamber 37.2.Filter cell 38.1 and 38.2 is arranged in inside filter chamber.Filter cell 38.1 and 38.2 is made up of different filter materials in this embodiment or makes with different filter material density so that filter cell 38.1 and 38.2 has different size of flow resistance.Consequent different pressure reduction causes the different size of volume flow in filter chamber 37.1 and 37.2.Thus the composition according to filter material, it is possible to produce the different volume flow being directed in collecting chamber 41.1 and 41.2.Therefore the embodiment of the spinning-nozzle device 2 shown in Fig. 3 will be further adapted for by organizing nozzle bore extrusion endless tow more, and described endless tow is stretched and forms the part silk thread with different yarns fiber number.
Figure 4 illustrates the other embodiments of spinning-nozzle device, described other embodiments is suitable to extrude multiple endless tows with different size of denier count as received.In this embodiment of spinning-nozzle device, illustrate only the view of the downside of spinning-nozzle device 2.Spinning-nozzle device 2 can be configured to identical with the embodiment according to Fig. 2 or Fig. 3 at this, or is configured to include the combination of adaptation board and two embodiments of the screen plate having identical filter cell having identical melt canal.
In the embodiment of the spinning-nozzle device 2 shown in Fig. 4, the opening section of nozzle bore 5.1 and 5.2 is as dispenser device 3, for producing different volume flows.Therefore, figure 4 illustrates the downside of nozzle plate 40, described downside comprises two groups of nozzle bores 4.1 and 4.2.The nozzle bore 5.1 of first jet hole group 4.1 and the nozzle bore 5.2 of second nozzle hole group 4.2 are respectively provided with different opening sections.The quantity of nozzle bore 5.1 and the quantity of nozzle bore 5.2 are equal in this embodiment.Thus, nozzle bore 5.1 makes it possible to only extrude little filament linear-density, thus according to the embodiment according to Fig. 1, relatively thin filament linear-density producing endless tow 8.1 and produced endless tow 8.2 by relatively crude long filament.
In the embodiment of the spinning-nozzle device 2 shown in Fig. 4, additionally, the quantity of nozzle bore 5.1 and 5.2 can also change.There is also following probability in principle, namely nozzle bore 5.1 and 5.2 constructs in its open cross-section formed objects.In this sense, the different yarns fiber number of part silk thread 9.1 and 9.2 is limited by the different number of filaments of each endless tow 6.1 and 6.2.
The embodiment of the spinning-nozzle device 2 shown in Fig. 2 to Fig. 4 is only some probabilities that the main melt flow carried between two parties is divided into two or more volume flow not waited inside spinning-nozzle device.In principle, inside spinning-nozzle device, all elements participating in guiding melt and component are all suitable to produce the distribution of unequal volume flow.At this, it is important that utilize a spinning pump can extrude multiple endless tow in a spinning position, these endless tows part silk thread that stretchable one-tenth is different respectively.
Reference numerals list
1 nozzle support
2 spinning-nozzle devices
3 dispenser devices
4.1,4.2 nozzle bore groups
5.1 first groups of nozzle bores
5.2 second groups of nozzle bores
6 spinning pumps
7 pump drives
8.1 first group leader's tow
8.2 second group leader's tow
9.1,9.2 part silk threads
10 compound (1) silk threads
11 tractive godets
12 tractive Galette units
13 chillers
14 cooling cylinders
15 pressure chamberes
16 air connection piece
17 tensile wire rollers
18 tensile wire roller unit
19 eddy deformation devices
20 discharge godet
21 coiler devices
22.1,22.2 Spulspindelspulspindels
23.1,23.2,23.3,23.4 winding positions
24 winding turntables
25.2,25.2,25.3,25.4 reels
26 traversing unit
27 pressure rolls
28 deflection roll
29 melt connecting portions
30 housings
31 adaptation boards
32 fastening screw threads
33 seal cartridges
34 melt inlets
35.1,35.2 melt canals
36 filter plates
37.1,37.2 filter chamber
38.1,38.2 filter cells
39 distributor apertures
40 nozzle plates
41.1,41.2 collecting chambers
42 locking rings
43 locking screw threads
44 sealing members
45 melt inlets
46 jointings.

Claims (10)

1. being used for the equipment of the melt spinning of the compound (1) silk thread formed by multiple endless tows, described equipment has: be used for extruding multiple endless tow (8.1;8.2) multiple device for spinning (2,4.1;4.2);And multiple tractive and stretching device, by described tractive and stretching device, endless tow (8.1,8.2) can be manufactured the part silk thread (9.1,9.2) with different stretch degree,
It is characterized in that, described device for spinning is formed by spinning-nozzle device (2), and described spinning-nozzle device has the many groups nozzle bore (4.1,4.2) on nozzle plate (40);And described spinning-nozzle device (2) has at least one dispenser device (3), for producing the volume flow differed of a polymer melt, endless tow (8.1,8.2) can be extruded parallel with described volume flow.
2. equipment according to claim 1, it is characterized in that, described dispenser device (3) is by multiple melt canals (35.1,35.2) formed, in each group of nozzle bore (4.1,4.2) one group is connected to melt connecting portion (29) by described melt canal respectively and described melt canal have equal sizes or unequal size through flow cross section implement.
3. equipment according to claim 1 and 2, it is characterized in that, described dispenser device (3) is by multiple filter cells (38.1,38.2) formed, described filter cell is arranged in filter chamber (37.1, the 37.2) inside of separation and has the equal in magnitude or unequal flow resistance of size, wherein, described filter chamber (37.1,37.2) is connected to each group of nozzle bore (4.1,4.2).
4. equipment according to claim 1 and 2, it is characterized in that, described dispenser device (3) is by some nozzle bores (5.1,5.2) and/or nozzle bore (5.1,5.2) one open cross-section formed, wherein, respectively organize nozzle bore (4.1,4.2) identical at the open cross-section aspect of the quantity of nozzle bore (5.1,5.2) and/or nozzle bore (5.1,5.2) or construct unequally.
5. equipment according to claim 1 and 2, it is characterized in that, being provided with spinning pump (6), described spinning pump is connected to melt source at entrance side and is connected to the melt connecting portion (29) being allocated to spinning-nozzle device (2) at outlet side.
6. equipment according to claim 5, it is characterized in that, described spinning-nozzle device (2) has the housing (30) for holding nozzle plate (40), and described housing (30) can releasably be connected to nozzle support (1).
7. equipment according to claim 6, it is characterized in that, described housing (30) surrounds filter plate (36) in the top of nozzle plate (40), and described filter plate (36) is at each group of nozzle bore (4.1,4.2) top keeps with filter cell (38.1,38.2) filter chamber (37.1,37.2).
8. equipment according to claim 7, it is characterized in that, described housing (30) has adaptation board (31) relative to nozzle support (1), described adaptation board has upper melt inlet (34) and is passed into the filter chamber (37.1 of filter plate (36), 37.2) in melt canal (35.1,35.2), described upper melt inlet and melt connecting portion (29) mating reaction.
9. equipment according to claim 8, it is characterized in that, described housing (30) and/or described adaptation board (31) have fastening screw thread (32), described fastening screw thread and the matching thread mating reaction in described nozzle support (1).
10. equipment according to claim 1 and 2, it is characterised in that described tractive and stretching device are formed by multiple powered godets, wherein, at least one tractive godet (11) is arranged to hold endless tow.
CN201280010098.8A 2011-02-24 2012-02-13 Equipment for melt spinning Expired - Fee Related CN103403234B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011012146 2011-02-24
DE102011012146.3 2011-02-24
PCT/EP2012/052426 WO2012113668A1 (en) 2011-02-24 2012-02-13 Device for melt spinning

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CN102912465A (en) * 2012-10-17 2013-02-06 浙江华特斯聚合物科技有限公司 Spinning box
RS59581B1 (en) * 2014-11-24 2019-12-31 Consejo Superior Investigacion Nozzle with multiple outlets
DE102016112170A1 (en) * 2015-07-10 2017-01-12 Oerlikon Textile Gmbh & Co. Kg Spinnerets
DE102016013684A1 (en) * 2016-11-16 2018-05-17 Oerlikon Textile Gmbh & Co. Kg spinning pump
GB201818689D0 (en) * 2018-11-16 2019-01-02 Teknoweb Mat S R L Unitary spinneret block for use in the manufacturing of meltdown fibers comprising spinneret body and nozzles
CN113737291B (en) * 2020-05-29 2023-12-19 欧瑞康纺织有限及两合公司 Melt spinning apparatus

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