CN204401160U - Six leaf Porous hollow spinneretss - Google Patents
Six leaf Porous hollow spinneretss Download PDFInfo
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- CN204401160U CN204401160U CN201420797210.3U CN201420797210U CN204401160U CN 204401160 U CN204401160 U CN 204401160U CN 201420797210 U CN201420797210 U CN 201420797210U CN 204401160 U CN204401160 U CN 204401160U
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Abstract
The utility model provides a kind of six leaf Porous hollow spinneretss, and six leaf Porous hollow spinneretss arrange spinneret orifice, and spinneret orifice is array distribution, and spinneret orifice entrance is guide hole, and die orifice exit is die capillaries; Die capillaries is provided with 1 central arcuate hole group, 6 peripheral arcuate socket groups, and 6 peripheral arcuate socket groups and central arcuate hole group form sexfoil structure.The utility model, by the six leaf Porous hollow staple fibres prepared the improvement of spinnerets, has the characteristics such as degree of hollowness is high, resilience good, specific area is large, moisture absorption air permeable effect is good.
Description
Technical field
The utility model relates to synthetic fiber processing equipment field, is specifically related to a kind of six leaf Porous hollow spinneretss.
Background technology
The characteristic of recycled polyester hollow core staple fibers cross sectional shape and fiber is closely related.Odd-shaped cross section doughnut appearance profile is irregular, by be of value to improve fabric fluffy sense, gloss effect and soft feel, and improve the ventilative and hygroscopicity, pilling resistance etc. of fabric.Common recycled polyester hollow core staple fibers cross section is generally circular configuration, although there is continuous print cavity in fibrous inside, low-fiber volume mass can be fallen, improve the heat-insulation warm keeping of fabric, but this type of staple fibre specific area is little, degree of hollowness is low, resilience and feel poor.Special-shaped hollow regenerative polyester staple fiber of holding concurrently has the higher characteristic of the using values such as degree of hollowness is high, resilience good, specific area is large, soft, moisture absorption is breathed freely, compared with common recycled polyester hollow core staple fibers, there is obvious performance advantage and using value.Along with improving constantly of people's living standard, the demand of textile industry to odd-shaped cross section recycled polyester hollow core staple fibers is day by day urgent.Because odd-shaped cross section recycled polyester hollow core staple fibers itself has excellent characteristic and style, therefore, no matter be in clothes and carpet, there is good application prospect still articles for use and non-weaving cloth aspect in bed.
Up to now, recycled polyester hollow core staple fibers kind is few, and cross section is mainly in the majority with circular single hole, and odd-shaped cross section recycled polyester hollow core staple fibers kind is what for few.The research of odd-shaped cross section recycled polyester hollow core staple fibers product and spinnerets is mainly based on triangle and trilobal.Application number is describe a kind of hollow type triangle spinneret plate in the Chinese patent of 201310645035.6, three micropores are provided with in each spinneret orifice of its spinnerets, form a large triangle by the micropore line of centres, described spinnerets is mainly for the preparation of triangle Porous hollow staple fibre.Application number is describe a kind of Trilobal spinneret in the Chinese patent of 200920115100.3, and its spinnerets is provided with center spinneret orifice, and center spinneret orifice periphery is provided with three spinneret orifices radially, and described spinnerets is mainly for the preparation of trilobal single hole doughnut.Application number is describe a kind of five leaf hollow spinneret plates in the Chinese patent of 201220300475.9, it is characterized in that: described spinnerets is made up of spinnerets plate body and spinneret orifice, each spinneret orifice is made up of five unit, each unit has a long slit short slit identical with two length to form, form the five leaf single hollow structures be communicated with, mainly for the preparation of five leaf single hole doughnuts.From the lot of documents of retrieval, the six leaf Porous hollow staple fibres prepared for raw material with Pillar recovery bottle sheet at present and six leaf Porous hollow spinneretss used thereof are there are no open report.
Utility model content
Utility model object: in order to overcome the deficiencies in the prior art, the utility model provides a kind of six leaf Porous hollow spinneretss.
Technical scheme: for solving the problems of the technologies described above, a kind of six leaf Porous hollow spinneretss of the present utility model, described six leaf Porous hollow spinneretss arrange one group of spinneret orifice, and spinneret orifice is array distribution, each spinneret orifice entrance is a guide hole, and each die orifice exit is a die capillaries; Described die capillaries is provided with 1 central arcuate hole group, 6 peripheral arcuate socket groups, and the upper and lower of central arcuate hole group upwards arranges 2 peripheral arcuate socket groups, the left and right direction of central arcuate hole group is arranged respectively 2 peripheral arcuate socket groups; 6 peripheral arcuate socket groups and central arcuate hole group form sexfoil structure, the peripheral arcuate socket group in central arcuate hole group and direction, upper and lower, left and right is axially symmetric structure, the center of circle of 6 peripheral arcuate socket groups be positioned at the group center of circle, central arcuate hole for the center of circle circumferentially.
Further, the centre of figure that described central arcuate hole group and 6 peripheral arcuate socket groups form is symmetric figure, and centered by symmetric figure center the center of circle of arcuate socket group.
Further, quantity 500 ~ 2000 hole of described spinneret orifice.
Further, described central arcuate hole group by two and half arcuate sockets two to forming.
Further, described peripheral arcuate socket group by two and half arcuate sockets two to and interior relative distance is greater than outer relative distance.
Beneficial effect: the utility model has the following advantages in terms of existing technologies:
1) the one six leaf Porous hollow spinnerets that provides of the utility model, by spinning technique and parameter in conjunction with distinctive spinnerets, make spun six leaf Porous hollow staple fibre formings, with 7 circular holes on every root fibre section; This hollow core staple fibers is 6.67dtex ~ 20.00dtex by the fiber number obtained, and both can be used for filler, and can be used for spun yarn again.
2) spinnerets for spinning six leaf Porous hollow staple fibres that provides of the utility model, the centre of figure that the die capillaries of spinneret orifice forms by central arcuate hole group and 6 peripheral arcuate socket groups is symmetric figure, the center of circle of arcuate socket group is combined centered by symmetric figure center, arrange rationally, spun hollow core staple fibers cross section is made to be six leaf porous, fiber surface with darker continuous channel, and makes the degree of profile of fiber and hygroscopicity performance be improved.
3) six leaf Porous hollow staple fibres of the spinnerets spinning adopting the utility model to provide, have the features such as resilience is good, degree of hollowness is high, specific area is large, hygroscopicity rate is high, soft comfortable is good.
Accompanying drawing explanation
Fig. 1 is six leaf Porous hollow staple fibre schematic diagrames of the spinnerets spinning adopting the utility model to provide.
Fig. 2 is the spinneret pore structure schematic diagram on the six leaf Porous hollow spinneretss that provide of the utility model.
Fig. 3 is the spinneret plate structure schematic diagram for spinning six leaf Porous hollow staple fibres that the utility model provides.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
In the utility model, a kind of six leaf Porous hollow spinneretss and spinnerets used thereof, realize as follows: selecting viscosity to be the regenerative piece of polyester bottle of 0.58 ~ 0.85dl/g is raw material, send in vacuum drum drier and carry out drying, baking temperature is 148 ~ 150 DEG C, drying time is about 6 ~ 11h, makes dry rear spinning material moisture < 100PPM; Dried spinning material feeding apparatus for melt spinning is carried out melt spinning, and the spinning material of melting enters spinning manifold through screw extruder extruding, sprays, form as-spun fibre from the spinneret orifice of six leaf Porous hollow spinneretss; By ring blowing device, as-spun fibre is cooled afterwards, then through winding, boundling, drawing-off, curling, oil, relaxation heat setting, cut-out, packing, obtained fiber number is six leaf 7 holes hollow core staple fibers (as shown in Figure 1) of 6.67 ~ 20.00dtex.In spinning process, spinning speed is 1000 ~ 1350m/min, and spinning temperature is 255 ~ 275 DEG C; Quench air velocity is 0.8 ~ 1.3m/s, and wind-warm syndrome is 17 ~ 23 DEG C; Oil bath drafting multiple is 3.5 ~ 4.0, and temperature is 70 ~ 75 DEG C; Steam drafting multiple is 1.12 ~ 1.15, and temperature is 110 ~ 120 DEG C.
In the utility model, a kind of regenerative piece of polyester bottle spins the spinnerets of six leaf Porous hollow staple fibres and spinneret pore structure as shown in Figure 2 and Figure 3.Spinneret orifice on six leaf porous spinneretss is array distribution, and arrangement density has stronger flexibility, the quantity of Main Basis spinneret orifice and the requirement setting of product fiber number, and spinnerets arranges spinneret orifice, and spinneret orifice is array distribution; Each spinneret orifice entrance is a guide hole, and each die orifice exit is a die capillaries; Die capillaries is provided with 1 central arcuate hole group, 6 peripheral arcuate socket groups; The upper and lower of central arcuate hole group upwards arranges 2 peripheral arcuate socket groups, the left and right direction of central arcuate hole group is arranged respectively 2 peripheral arcuate socket groups, and 6 peripheral arcuate socket groups and central arcuate hole group form sexfoil structure.
The peripheral arcuate socket group in central arcuate hole group and direction, upper and lower, left and right is axially symmetric structure, the center of circle of 6 peripheral arcuate socket groups be positioned at the group center of circle, central arcuate hole for the center of circle circumferentially.
The centre of figure that central arcuate hole group and 6 peripheral arcuate socket groups form is symmetric figure, and centered by symmetric figure center the center of circle of arcuate socket group.
Six blade tip of spinneret orifice are arc-shaped, and six leaf leaves are wide is 0.04 0.16mm, and leaf length is 0.11 0.8mm.
Spinneret orifice on six leaf Porous hollow spinneretss is 500 ~ 2000 holes.
embodiment 1
A kind of six leaf Porous hollow spinneretss described in the utility model and spinnerets used thereof, realize as follows: selecting viscosity to be the regenerative piece of polyester bottle of 0.58dl/g is spinning material, send in vacuum drum drier and carry out drying, baking temperature is set to 150 DEG C, dry 10h, makes the moisture < 85PPM in spinning material; Dried spinning material feeding apparatus for melt spinning is carried out melt spinning, and the spinning material of melting enters spinning manifold through screw extruder extruding, sprays, form as-spun fibre from the spinneret orifice of six leaf Porous hollow spinneretss; By ring blowing device, as-spun fibre cooled afterwards, reel, boundling, drawing-off, curling, oil, relaxation heat setting, cut-out, packing process, obtained fiber number is the six leaf 7 hole hollow core staple fibers of 20.00dtex.In spinning process, spinning speed is 1100m/min, and spinning temperature is 270 DEG C; Quench air velocity is 0.8m/s, and wind-warm syndrome is 17 DEG C; Oil bath drafting multiple is 4.0, and temperature is 70 DEG C; Steam drafting multiple is 1.15, and temperature is 100 DEG C.
As shown in Figure 2 and Figure 3, the spinneret orifice on hollow spinneret plate described in the utility model is array distribution, and arrangement density has stronger flexibility, according to the quantity of spinneret orifice and the requirement setting of product fiber number.Described spinnerets is the core apparatus of filament spinning component, is made up of metal material.On the whole, on described spinnerets, the axis of each spinneret orifice of array distribution is all vertical with the surface of spinnerets, according to the flow direction of spray silk processing, the entrance of each spinneret orifice is a circular guide hole, outlet is several die capillaries, each die capillaries is all communicated with guide hole, the through spinnerets of each spinneret orifice of composition.
Die capillaries is combined in chain mode by seven small sircle holes, and cross sectional shape is six lobate; The centre of figure that central arcuate hole group and 6 peripheral arcuate socket groups form is symmetric figure, and centered by symmetric figure center the center of circle of arcuate socket group; Six blade tip of spinneret orifice are arc-shaped; Six leaf leaves are wide is 0.16mm, and leaf is long is 0.8mm.By the six leaf 7 hole hollow core staple fibers that the spinnerets described in the present embodiment is obtained, both can be used as filler, can be used as spun yarn again.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. six leaf Porous hollow spinneretss, is characterized in that: described six leaf Porous hollow spinneretss arrange one group of spinneret orifice, and spinneret orifice is array distribution, and each spinneret orifice entrance is a guide hole, and each die orifice exit is a die capillaries; Described die capillaries is provided with 1 central arcuate hole group, 6 peripheral arcuate socket groups, and the upper and lower of central arcuate hole group upwards arranges 2 peripheral arcuate socket groups, the left and right direction of central arcuate hole group is arranged respectively 2 peripheral arcuate socket groups; 6 peripheral arcuate socket groups and central arcuate hole group form sexfoil structure, the peripheral arcuate socket group in central arcuate hole group and direction, upper and lower, left and right is axially symmetric structure, the center of circle of 6 peripheral arcuate socket groups be positioned at the group center of circle, central arcuate hole for the center of circle circumferentially.
2. six leaf Porous hollow spinneretss according to claim 1, is characterized in that: the centre of figure that described central arcuate hole group and 6 peripheral arcuate socket groups form is symmetric figure, and centered by symmetric figure center the center of circle of arcuate socket group.
3. six leaf Porous hollow spinneretss according to claim 1, is characterized in that: quantity 500 ~ 2000 hole of described spinneret orifice.
4. six leaf Porous hollow spinneretss according to claim 1, is characterized in that: described central arcuate hole group by two and half arcuate sockets two to forming.
5. six leaf Porous hollow spinneretss according to claim 1, is characterized in that: described peripheral arcuate socket group by two and half arcuate sockets two to and interior relative distance is greater than outer relative distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797210.3U CN204401160U (en) | 2014-12-16 | 2014-12-16 | Six leaf Porous hollow spinneretss |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420797210.3U CN204401160U (en) | 2014-12-16 | 2014-12-16 | Six leaf Porous hollow spinneretss |
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| CN204401160U true CN204401160U (en) | 2015-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996609A (en) * | 2020-08-13 | 2020-11-27 | 新凤鸣集团股份有限公司 | Double-layer hollow thermal polyester fiber and preparation method thereof |
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2014
- 2014-12-16 CN CN201420797210.3U patent/CN204401160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996609A (en) * | 2020-08-13 | 2020-11-27 | 新凤鸣集团股份有限公司 | Double-layer hollow thermal polyester fiber and preparation method thereof |
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