CN105088372A - Spinneret plate using recycled polyester bottle flakes to spin cross-shaped porous hollow short fibers - Google Patents
Spinneret plate using recycled polyester bottle flakes to spin cross-shaped porous hollow short fibers Download PDFInfo
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- CN105088372A CN105088372A CN201410207600.5A CN201410207600A CN105088372A CN 105088372 A CN105088372 A CN 105088372A CN 201410207600 A CN201410207600 A CN 201410207600A CN 105088372 A CN105088372 A CN 105088372A
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Abstract
The invention provides a spinneret plate using recycled polyester bottle flakes to spin cross-shaped porous hollow short fibers. A spinneret plate body is provided with spinneret holes which are in array distribution. Each spinneret hole inlet is a guide hole and each spinneret hole outlet is a spinneret pore. Each spinneret pore is provided with one central arc-shaped hole group and four peripheral arc-shaped hole groups, wherein the four peripheral arc-shaped hole groups are arranged in the upward direction, the downward direction, the left direction and the right direction of the central arc-shaped hole group; the four peripheral arc-shaped hole groups and the central arc-shaped hole group form a cross-shaped structure; the central arc-shaped hole group is in axial symmetry with the peripheral arc-shaped hole groups in the upward direction and the downward direction and the central arc-shaped hole is in axial symmetry with the peripheral arc-shaped hole groups on the left side and the right side thereof; the centers of the four peripheral arc-shaped hole groups are located on the circumference with the center of the central arc-shaped hole group as the center. Through the innovative design of the spinneret plate, manufactured fibers have the advantages of high rebound resilience, softness, high degree of hollowness, large specific surface area, high moisture absorption rate and water absorption rate, and high application value.
Description
Technical field
The present invention relates to spinning spinneret, particularly relate to a kind of spinnerets spinning cross Porous hollow staple fibre, belong to synthetic fiber processing technique field.
Background technology
Hollow profiled fibre technology has important using value in the exploitation of Regenerated Polyester Fibres.Initial polyester hollow core staple fibers, every root fiber only has single hole, and use hole shape is C type, the spinnerets of two semi-circular, three-arc type.Single hole hollow core staple fibers is when spinning heavy denier yarn, and degree of hollowness is about 15%, is difficult to improve the resilience of fiber, and fibrous external configuration of surface is dull, and excessively thick single hole silk can be crushed distortion.The spinnerets of the Porous hollow type developed afterwards, every root fiber has 4 holes, 7 holes, 9 holes, 16 holes etc., and main purpose improves the degree of hollowness and elasticity etc. of coarse denier fiber, and the main application fields of this fibrid is stuffing class.The fibers such as existing various 4 holes, 7 holes, 9 holes, 16 holes, performance there is no large difference, on the spinnerets of use, spinneret orifice is circumferentially arranged by several micropore, and technological disparity is the arrangement mode of micropore and the change in shape of each micropore.Just because of this, use the recycled polyester doughnut that these spinnerets spinning are obtained, its cross section geometric morphological feature is still isometrical circle, and fiber rigidity is large, but soft resilience is poor, and fiber applications is more single.
Summary of the invention
The object of this invention is to provide a kind of spinnerets adopting Pillar recovery bottle sheet to spin cross Porous hollow staple fibre, by the innovative design to spinnerets, the fiber obtained is had resilience is high, soft, degree of hollowness is high, specific area is large, the high using value of hygroscopicity rate is higher characteristic.
The object of the invention is to be achieved through the following technical solutions, a kind of spinnerets adopting Pillar recovery bottle sheet to spin cross Porous hollow staple fibre, spinnerets arranges spinneret orifice, spinneret orifice is array distribution, each spinneret orifice entrance is a guide hole, each die orifice exit is a die capillaries, described die capillaries is provided with 1 central arcuate hole group, 4 peripheral arcuate socket groups, the direction, upper and lower, left and right of central arcuate hole group is arranged 4 peripheral arcuate socket groups, 4 peripheral arcuate socket groups and central arcuate hole group form decussate texture; Central arcuate hole group comprises symmetrically arranged 2 arcuate sockets, and 2 arcuate socket centers of circle of central arcuate hole group overlap and arrange, and the distance of 2 arcuate socket opposite ends of central arcuate hole group is equal; Peripheral arcuate socket group comprises symmetrically arranged 2 arcuate sockets, and the center of circle of 2 arcuate sockets of peripheral arcuate socket group overlaps and arranges, and 2 arcuate sockets of peripheral arcuate socket group are less than the distance near central arcuate hole corresponding end away from the distance of central arcuate hole group corresponding end; The peripheral arcuate socket group of central arcuate hole group and its upper and lower is axially symmetric structure, and the peripheral arcuate socket group of central arcuate hole and its left and right sides is axially symmetric structure, the center of circle of 4 peripheral arcuate socket groups be positioned at the group center of circle, central arcuate hole for the center of circle circumferentially.
Further, symmetric figure centered by the figure that described central arcuate hole group and 4 peripheral arcuate socket groups are formed, the center of circle of arcuate socket group centered by symmetrical centre.
Further, the external diameter of the arcuate socket of described central arcuate hole group is 1.0mm ~ 1.5mm, the wide 0.1mm of arcuate socket, and the distance between 2 arcuate socket corresponding end of central arcuate hole group is 0.06mm ~ 0.15mm.
Further, the external diameter of 2 arcuate sockets of described peripheral arcuate socket group is 0.70mm ~ 1.00mm, the wide 0.1mm of arcuate socket, and 2 arcuate sockets of peripheral arcuate socket group are away from the distance 0.06mm ~ 0.15mm between the group corresponding end of central arcuate hole.
Further, described central arcuate hole group external diameter and peripheral arcuate socket group external diameter sum are greater than up and down or distance between the peripheral arcuate socket group center of circle, left and right, and both differ length range is 0.10mm ~ 0.30mm.
Further, described peripheral arcuate socket group opening degree between the group corresponding end of central arcuate hole is 30-60 °.
Compared with prior art, the present invention has following beneficial effect:
First, the spinnerets of employing Pillar recovery bottle sheet spinning cross Porous hollow staple fibre provided by the invention, the die capillaries of spinneret orifice combines in chain mode, and arrange rationally, the cross section of spun hollow core staple fibers is cross, and with multiple circular hole, fiber surface has darker continuous channel, and this fiber use value is high, and outer degree of hollowness, specific area and hygroscopicity rate are all effectively promoted, both can be used as filler, can be used for spun yarn again;
The second, the cross Porous hollow staple fibre spinned by this spinnerets, has that resilience is high, soft, degree of hollowness is high, specific area is large, hygroscopicity rate advantages of higher, is mainly used in stuffing and spinning.
Accompanying drawing explanation
Fig. 1 is the structural representation that prior art adopts the spinnerets (pass is two semi-circular) of Pillar recovery bottle sheet spinning cross Porous hollow staple fibre;
Fig. 2 is the longitudinal profile structural representation of spinneret orifice of the present invention;
Fig. 3 is the spinneret orifice horizontal section structural representation of spinnerets of the present invention;
In figure: 1 spinneret orifice, 2 spinneretss, 3 guide holes, 4 die capillaries, 5 central arcuate hole groups, 6 peripheral arcuate socket groups.
Detailed description of the invention
Below in conjunction with the further the present invention of detailed description of the invention.
As Figure 1-3, adopt Pillar recovery bottle sheet to spin a spinnerets for cross Porous hollow staple fibre, spinnerets 2 is arranged spinneret orifice 1, spinneret orifice is array distribution, each spinneret orifice entrance is a guide hole 3, and each die orifice exit is a die capillaries 4.
Die capillaries is provided with 1 central arcuate hole group, 5,4 peripheral arcuate socket groups 6, the direction, upper and lower, left and right of central arcuate hole group is arranged 4 peripheral arcuate socket groups, and 4 peripheral arcuate socket groups and central arcuate hole group form decussate texture.
Central arcuate hole group comprises symmetrically arranged 2 arcuate sockets, and 2 arcuate socket centers of circle of central arcuate hole group overlap and arrange, and the distance of 2 arcuate socket opposite ends of central arcuate hole group is equal.
Peripheral arcuate socket group comprises symmetrically arranged 2 arcuate sockets, and the center of circle of 2 arcuate sockets of peripheral arcuate socket group overlaps and arranges, and 2 arcuate sockets of peripheral arcuate socket group are less than the distance near central arcuate hole corresponding end away from the distance of central arcuate hole group corresponding end.The peripheral arcuate socket group of central arcuate hole group and its upper and lower is axially symmetric structure, and the peripheral arcuate socket group of central arcuate hole and its left and right sides is axially symmetric structure, the center of circle of 4 peripheral arcuate socket groups be positioned at the group center of circle, central arcuate hole for the center of circle circumferentially.
Symmetric figure centered by the figure that central arcuate hole group and 4 peripheral arcuate socket groups are formed, the center of circle of arcuate socket group centered by symmetrical centre.
The external diameter of the arcuate socket of central arcuate hole group is 1.0mm ~ 1.5mm, the wide 0.1mm of arcuate socket, and the distance between 2 arcuate socket corresponding end of central arcuate hole group is 0.06mm ~ 0.15mm.
The external diameter of 2 arcuate sockets of peripheral arcuate socket group is 0.70mm ~ 1.00mm, and the wide 0.1mm of arcuate socket, 2 arcuate sockets of peripheral arcuate socket group are away from the distance 0.06mm ~ 0.15mm between the group corresponding end of central arcuate hole.
Central arcuate hole group external diameter and peripheral arcuate socket group external diameter sum are greater than up and down or the intermediate distance in the peripheral arcuate socket group center of circle, left and right, and both differ length range is 0.10mm ~ 0.30mm.
Peripheral arcuate socket group opening degree between the group corresponding end of central arcuate hole is 30-60 °.
Embodiment 1
As shown in Figure 1 to Figure 3, the spinneret orifice 1 on spinnerets 2 of the present invention is in array distribution, and its arrangement density has stronger flexibility, according to the quantity of spinneret orifice and the requirement setting of product fiber number.Spinnerets 2 is core apparatus of filament spinning component, be made up of metal material, on the whole, the axis of each distribution spinneret orifice 1 of array is all vertical with the surface of spinnerets 2, according to the flow direction of spray silk processing, the entrance of each spinneret orifice 1 is a circular guide hole 3, and outlet is several die capillaries 4, each die capillaries 4 is all communicated with guide hole 3, the through spinnerets 2 of each spinneret orifice 1 of composition.
According to technical scheme of the present invention, die capillaries is combined in chain mode by five small sircle holes, cross sectional shape is crosswise, middle circular hole is the annulus be spliced to form along die capillaries diametric(al) with the first gap a by two sections of semi arch slits, up and down, 4, left and right circular hole is symmetrical with middle circular hole, and is respectively the annulus be spliced to form along die capillaries diametric(al) with the second gap b by two sections of circular arc slits.Be easy to bonding after can making melt extrusion spinnerets thus, form criss-cross Porous hollow cross-section fibers.
Die capillaries 4, the outer diameter D 2 of two sections of semi arch slits 5 of middle circular hole is 1.2mm, and slit width is 0.1mm, and the first gap a is 0.11mm; And up and down, the outer diameter D 1 of two sections of circular arc slits 6 of 4 circular holes in left and right is 0.85mm, slit width is 0.1mm, and the second gap b is 0.12mm.
It can also be seen that from Fig. 3, two sections of circular arc slits and the middle circular hole of either side circular hole are that opening links, and the angular region of getting of opening angle A is 50o; The intermediate distance of two mother rib lateral rotundums is less than the diameter of middle circular hole and the diameter sum of either side circular hole, and both length of difference is 0.20mm.In the present embodiment, the intermediate distance L of two mother rib lateral rotundums is 1.7mm.When opening angle A is 30o, can spin the fine-denier porous hollow core staple fibers of recycled polyester, the fiber number of fiber is 2.8dtex, can be used for spun yarn, and existing hollow core staple fibers only can be used for filler.
Claims (6)
1. the spinnerets adopting Pillar recovery bottle sheet to spin cross Porous hollow staple fibre, spinnerets arranges spinneret orifice, spinneret orifice is array distribution, each spinneret orifice entrance is a guide hole, each die orifice exit is a die capillaries, it is characterized in that, described die capillaries is provided with 1 central arcuate hole group, 4 peripheral arcuate socket groups, the direction, upper and lower, left and right of central arcuate hole group is arranged 4 peripheral arcuate socket groups, 4 peripheral arcuate socket groups and central arcuate hole group form decussate texture; Central arcuate hole group comprises symmetrically arranged 2 arcuate sockets, and 2 arcuate socket centers of circle of central arcuate hole group overlap and arrange, and the distance between 2 arcuate socket corresponding end of central arcuate hole group is equal; Peripheral arcuate socket group comprises symmetrically arranged 2 arcuate sockets, the center of circle of 2 arcuate sockets of peripheral arcuate socket group overlaps and arranges, and peripheral arcuate socket group 2 arcuate sockets are less than its distance between the corresponding end of central arcuate hole away from the distance between the group corresponding end of central arcuate hole; The peripheral arcuate socket group of central arcuate hole group and its upper and lower is axially symmetric structure, and the peripheral arcuate socket group of central arcuate hole and its left and right sides is axially symmetric structure, the center of circle of 4 peripheral arcuate socket groups be positioned at the group center of circle, central arcuate hole for the center of circle circumferentially.
2. the spinnerets of employing Pillar recovery bottle sheet spinning cross Porous hollow staple fibre according to claim 1, it is characterized in that, symmetric figure centered by the figure that described central arcuate hole group and 4 peripheral arcuate socket groups are formed, the center of circle of arcuate socket group centered by symmetrical centre.
3. the spinnerets of employing Pillar recovery bottle sheet spinning cross Porous hollow staple fibre according to claim 1, it is characterized in that, the external diameter of the arcuate socket of described central arcuate hole group is 1.0mm ~ 1.5mm, the wide 0.1mm of arcuate socket, the distance between 2 arcuate socket corresponding end of central arcuate hole group is 0.06mm ~ 0.15mm.
4. the spinnerets of employing Pillar recovery bottle sheet spinning cross Porous hollow staple fibre according to claim 1, it is characterized in that, the external diameter of 2 arcuate sockets of described peripheral arcuate socket group is 0.70mm ~ 1.00mm, the wide 0.1mm of arcuate socket, 2 arcuate sockets of peripheral arcuate socket group are away from the distance 0.06mm ~ 0.15mm between the group corresponding end of central arcuate hole.
5. the spinnerets of employing Pillar recovery bottle sheet spinning cross Porous hollow staple fibre according to claim 1, it is characterized in that, described central arcuate hole group external diameter and peripheral arcuate socket group external diameter sum are greater than up and down or distance between the peripheral arcuate socket group center of circle, left and right, and both differ length range is 0.10mm ~ 0.30mm.
6. the spinnerets of employing Pillar recovery bottle sheet spinning cross Porous hollow staple fibre according to claim 1, it is characterized in that, 2 arcuate sockets of described peripheral arcuate socket group are 30-60 ° near central arcuate hole group corresponding end opening angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207600.5A CN105088372A (en) | 2014-05-16 | 2014-05-16 | Spinneret plate using recycled polyester bottle flakes to spin cross-shaped porous hollow short fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207600.5A CN105088372A (en) | 2014-05-16 | 2014-05-16 | Spinneret plate using recycled polyester bottle flakes to spin cross-shaped porous hollow short fibers |
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| Publication Number | Publication Date |
|---|---|
| CN105088372A true CN105088372A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410207600.5A Pending CN105088372A (en) | 2014-05-16 | 2014-05-16 | Spinneret plate using recycled polyester bottle flakes to spin cross-shaped porous hollow short fibers |
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| CN (1) | CN105088372A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951197A (en) * | 2016-07-12 | 2016-09-21 | 福建锦兴环保科技有限公司 | Production process and equipment for three-component composite hollow viscoelastic fiber with specially-shaped section and product thereof |
| CN106192033A (en) * | 2016-08-31 | 2016-12-07 | 杭州海科纤维有限公司 | A kind of method using returnable bottle sheet spinning cross Porous hollow chopped fiber |
-
2014
- 2014-05-16 CN CN201410207600.5A patent/CN105088372A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951197A (en) * | 2016-07-12 | 2016-09-21 | 福建锦兴环保科技有限公司 | Production process and equipment for three-component composite hollow viscoelastic fiber with specially-shaped section and product thereof |
| CN105951197B (en) * | 2016-07-12 | 2018-10-02 | 福建锦兴环保科技有限公司 | Three component odd-shaped cross section composite hollow viscoelastic fibre manufacturing techniques, equipment and products thereof |
| CN106192033A (en) * | 2016-08-31 | 2016-12-07 | 杭州海科纤维有限公司 | A kind of method using returnable bottle sheet spinning cross Porous hollow chopped fiber |
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Application publication date: 20151125 |
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| WD01 | Invention patent application deemed withdrawn after publication |