CN216585342U - Multi-groove fiber filament spinneret plate - Google Patents
Multi-groove fiber filament spinneret plate Download PDFInfo
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- CN216585342U CN216585342U CN202120983600.XU CN202120983600U CN216585342U CN 216585342 U CN216585342 U CN 216585342U CN 202120983600 U CN202120983600 U CN 202120983600U CN 216585342 U CN216585342 U CN 216585342U
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Abstract
The utility model relates to a multi-groove fiber filament spinneret plate, which comprises a spinneret plate body, wherein a diversion trench is arranged on the top surface of the spinneret plate body, a plurality of spinneret holes are arranged in the spinneret plate body, the top ends of the spinneret holes are communicated with the diversion trench, the spinneret holes comprise a material passing channel, a diameter-changing channel and a discharge hole which are sequentially communicated from top to bottom, the discharge hole comprises a plurality of U-shaped holes which are uniformly distributed around the axis of the spinneret holes, the sizes of the U-shaped holes are the same, the openings of the U-shaped holes face the opposite direction of the axis of the spinneret holes, and the symmetry axes of the U-shaped holes are intersected with the axis of the spinneret holes. The fiber yarn produced by the multi-groove fiber yarn spinneret plate has better moisture absorption and perspiration property due to the plurality of grooves on the surface, the color absorption depth is deeper during dyeing, and light rays are refracted to different directions at the groove positions to achieve the purpose of extinction.
Description
Technical Field
The utility model relates to the technical field of chemical fiber production accessories, in particular to a multi-groove fiber yarn spinneret plate.
Background
The spinneret plate is a product commonly used in the textile chemical fiber industry and comprises a feeding surface and a discharging surface, wherein a feeding hole is formed in the feeding surface, and a discharging hole is formed in the discharging surface. The spinneret plate is used for converting a viscous-state polymer melt or solution into a thin flow with a specific cross section through micropores, solidifying the thin flow through a solidification medium such as air or a solidification bath to form a filament, namely entering from a feeding hole and exiting through a discharging hole to form a fiber filament.
A discharge port of a common spinneret plate is circular, and like the spinneret plate disclosed in chinese patent CN104451907A, the discharge port includes a spinneret plate body, the spinneret plate body is divided into a first spinneret domain located at the center, a second spinneret domain is located at the periphery of the first spinneret domain, a third spinneret domain is located at the periphery of the second spinneret domain, the first spinneret domain, the second spinneret domain and the third spinneret domain are distributed concentrically, and spinneret holes are respectively opened in the first spinneret domain, the second spinneret domain and the third spinneret domain. The non-circular spinneret plate is called as a profile spinneret plate, and the discharge holes of the existing profile spinneret plate are different in shape, such as a straight hole, a cross-shaped hole, a C-shaped hole and the like, so that fibers with different shapes can be produced.
In order to improve the spacing central control degree and enable the spinneret plate to have better heat preservation performance, the applicant has applied for a 4U hollow heat preservation profiled spinneret plate (CN208008953U), which comprises a plate body, wherein the upper surface of the plate body is a feeding surface, the lower surface of the plate body is a discharging surface, a feeding hole is formed in the feeding surface, a discharging hole is formed in the discharging surface, the feeding hole and the discharging hole are in one-to-one correspondence, the discharging hole comprises four U-shaped single holes, the four U-shaped single holes are arranged at equal intervals according to the circumference by taking the axis of the discharging hole as the center of the circle, and the open ends of the U-shaped single holes face the axis of the discharging hole.
When the 4U hollow warming profiled spinneret plate is used for producing the fiber yarns, the high polymer melt is sprayed out from the spinneret orifice and then bulked, the cross section of the bulked fiber yarns is similar to a hollow circle, the warming property is obviously improved, but the moisture absorption and sweat releasing performance is not obviously improved; in addition, the surface area of the fiber yarn is not increased greatly, the color absorption depth is insufficient during dyeing, grooves on the outer surface of the fiber yarn are few, and the method is not suitable for dull fabrics.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multi-groove fiber filament spinneret plate, which solves the problems that the fiber filaments produced by the existing spinneret plate are insufficient in moisture absorption and sweat release performance, light in color absorption depth, incapable of achieving extinction completely and the like.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows:
the utility model relates to a multi-groove fiber filament spinneret plate, which comprises a spinneret plate body, wherein a diversion trench is arranged on the top surface of the spinneret plate body, a plurality of spinneret holes are arranged in the spinneret plate body, the top ends of the spinneret holes are communicated with the diversion trench, the spinneret holes comprise a material passing channel, a diameter-changing channel and a discharge hole which are sequentially communicated from top to bottom, the discharge hole comprises a plurality of U-shaped holes which are uniformly distributed around the axis of the spinneret holes, the sizes of the U-shaped holes are the same, the openings of the U-shaped holes face the opposite direction of the axis of the spinneret holes, and the symmetry axes of the U-shaped holes are intersected with the axis of the spinneret holes.
Preferably, the U-shaped hole comprises an arc-shaped part and strip-shaped parts arranged at two ends of the arc-shaped part, the two strip-shaped parts of the same U-shaped hole are parallel to each other, and the distances between the center of the arc-shaped part of each U-shaped hole and the axis of the spinneret hole are equal.
Preferably, the outer diameter of the arc-shaped part is 0.8mm, and the inner diameter is 0.65 mm; the width of the strip-shaped part is 0.075 mm.
Preferably, each discharge hole comprises 6U-shaped holes.
Preferably, the gap of the U-shaped hole is 0.05 mm.
Preferably, the depth of the U-shaped hole is 0.5 +/-0.02 mm.
Preferably, the guide grooves are annular grooves, and the spinneret orifices are uniformly arranged around the axis of the spinneret plate body according to the circumference.
Preferably, the spinneret plate body is of a stepped structure, and the spinneret plate body is provided with a positioning groove.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the utility model relates to a multi-groove fiber filament spinneret plate, wherein the discharge end of each spinneret hole comprises a plurality of U-shaped holes which are uniformly distributed around the axis of the spinneret hole, the openings of the U-shaped holes face to the opposite direction of the axis of the spinneret hole, high polymer melts sprayed out from strip-shaped parts of adjacent U-shaped holes of the same spinneret hole are connected in the spinneret process, hollow monofilaments with a plurality of grooves on the outer surfaces are formed due to the puffing effect, the monofilaments are bonded together to form a fiber filament, the fiber filament has better moisture absorption and sweat discharging performance due to the plurality of grooves on the surface, the color absorption depth is deeper during dyeing, and light rays are refracted to different directions at the positions of the grooves, so that the extinction purpose of the fiber filament is realized.
Drawings
FIG. 1 is a top view of a multi-channel filament spinneret according to the present invention;
FIG. 2 is a vertical section (section A-A) at a single orifice of a multi-channel filament spinneret;
FIG. 3 is a view showing the structure of a discharge hole;
FIG. 4 is a cross-sectional view of a monofilament formed by a multi-channel filament spinneret.
Description of the drawings: 1-spinneret plate body, 2-diversion trench, 3-spinneret orifice, 4-material passing channel, 5-diameter changing channel, 6-discharge orifice, 61-U-shaped hole, 611-arc part, 612-strip part and 7-positioning trench.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Referring to the attached drawings 1 and 2, the multi-groove fiber filament spinneret plate comprises a spinneret plate body 1, wherein the spinneret plate body 1 is of a stepped structure, and a positioning groove 7 is formed in the spinneret plate body 1. The top surface of the spinneret plate body 1 is provided with a diversion trench 2, a plurality of spinneret orifices 3 are arranged in the spinneret plate body 1, the top ends of the spinneret orifices 3 are communicated with the diversion trench 2, and each spinneret orifice 3 comprises a material passing channel 4, a reducing channel 5 and a discharge hole 6 which are sequentially communicated from top to bottom; in this embodiment, the guiding gutter 2 is an annular groove, and the spinneret orifices 3 are uniformly arranged around the axis of the spinneret plate body 1 according to the circumference.
Referring to fig. 3, the discharge hole 6 includes a plurality of U-shaped holes 61 uniformly arranged around the axis of the spinneret hole 3, the size of each U-shaped hole 61 is the same, the opening of each U-shaped hole 61 faces the opposite direction of the axis of the spinneret hole 3, and the symmetry axis of each U-shaped hole 61 intersects with the axis of the spinneret hole. Each of the U-shaped holes 61 includes an arc-shaped portion 611 and strip-shaped portions 612 disposed at both ends of the arc-shaped portion 611, the two strip-shaped portions 612 of the same U-shaped hole 61 are parallel to each other, and the distances between the center of the arc-shaped portion 611 of each U-shaped hole 61 and the axis of the spinneret hole are equal. In this embodiment, each discharge hole 6 includes 6U-shaped holes 61, a gap between adjacent U-shaped holes is 0.05mm, and for each U-shaped hole 61, the outer diameter of the arc-shaped portion 611 is 0.8mm, and the inner diameter is 0.65 mm; the width of the strip portion 612 is 0.075 mm; the depth of the U-shaped hole 61 is 0.5 + -0.02 mm.
When the multi-groove fiber filament spinneret plate is used for producing fiber filaments, high polymer melt enters each spinneret hole through the flow guide groove 2 and then is sprayed out through the material channel 4, the diameter-changing channel 5 and the discharge hole 6, the sprayed high polymer melt is blown laterally through cold air, the blowing direction is parallel to the direction of the positioning groove 7, the high polymer melt sprayed out from each U-shaped hole 61 is mutually bonded, a monofilament as shown in figure 4 is formed due to the puffing effect, the monofilament is of a hollow structure, a plurality of grooves are formed in the surface of the monofilament, the monofilament is mutually bonded under the lateral blowing effect to form the fiber filaments, and the grooves can form a hollow structure in the bonding process of the monofilament, so that the fiber filaments are large in hollowness and have better heat retention property, and the moisture absorption and perspiration properties of the grooves existing on the outer surface of the fiber filaments can be improved; the existence of the groove increases the surface area of the fiber yarn, and the color absorption depth is large during dyeing; when the light irradiates the groove of the fiber filament, the light is reflected to a plurality of positions due to different reflection angles, so that the purpose of extinction is achieved.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a many slots cellosilk spinneret, includes the spinneret body, and the top surface of spinneret body is equipped with the guiding gutter, this internal a plurality of spinneret orifices that are equipped with of spinneret, the top and the guiding gutter intercommunication of spinneret orifice, the spinneret orifice includes punishment in advance passageway, reducing passageway and the discharge opening that from the top down communicates in proper order, its characterized in that: the discharge hole comprises a plurality of U-shaped holes which are uniformly distributed around the axis of the spinneret hole, the sizes of the U-shaped holes are the same, the opening of each U-shaped hole faces the opposite direction of the axis of the spinneret hole, and the symmetry axes of the U-shaped holes are intersected with the axis of the spinneret hole.
2. The multi-channel filament spinning plate of claim 1, wherein: the U-shaped holes comprise arc-shaped parts and strip-shaped parts arranged at two ends of the arc-shaped parts, the two strip-shaped parts of the same U-shaped hole are parallel to each other, and the distances between the centers of the arc-shaped parts of the U-shaped holes and the axes of the spinneret holes are equal.
3. The multi-channel filament spinning plate of claim 2, wherein: the outer diameter of the arc-shaped part is 0.8mm, and the inner diameter of the arc-shaped part is 0.65 mm; the width of the strip-shaped part is 0.075 mm.
4. The multi-channel filament spinning plate of claim 1, wherein: each discharge hole comprises 6U-shaped holes.
5. The multi-channel filament spinning plate of claim 1 or 4, wherein: the clearance of the U-shaped hole is 0.05 mm.
6. The multi-channel filament spinning plate of claim 1 or 4, wherein: the depth of the U-shaped hole is 0.5 +/-0.02 mm.
7. The multi-channel filament spinning plate of claim 1, wherein: the flow guide groove is an annular groove, and the spinneret orifices are uniformly arranged around the axis of the spinneret plate body according to the circumference.
8. The multi-channel filament spinning plate of claim 1, wherein: the spinneret plate body is of a stepped structure, and the spinneret plate body is provided with a positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120983600.XU CN216585342U (en) | 2021-05-10 | 2021-05-10 | Multi-groove fiber filament spinneret plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120983600.XU CN216585342U (en) | 2021-05-10 | 2021-05-10 | Multi-groove fiber filament spinneret plate |
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| Publication Number | Publication Date |
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| CN216585342U true CN216585342U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120983600.XU Active CN216585342U (en) | 2021-05-10 | 2021-05-10 | Multi-groove fiber filament spinneret plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023237069A1 (en) * | 2022-06-23 | 2023-12-14 | 江苏恒科新材料有限公司 | Spinneret plate for producing hollow polyester filaments having multiple acute-angled grooves and multiple leaves |
-
2021
- 2021-05-10 CN CN202120983600.XU patent/CN216585342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023237069A1 (en) * | 2022-06-23 | 2023-12-14 | 江苏恒科新材料有限公司 | Spinneret plate for producing hollow polyester filaments having multiple acute-angled grooves and multiple leaves |
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