CN102851757A - Special-shaped spinneret plate for spinning heavy denier yarns - Google Patents
Special-shaped spinneret plate for spinning heavy denier yarns Download PDFInfo
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- CN102851757A CN102851757A CN 201110182246 CN201110182246A CN102851757A CN 102851757 A CN102851757 A CN 102851757A CN 201110182246 CN201110182246 CN 201110182246 CN 201110182246 A CN201110182246 A CN 201110182246A CN 102851757 A CN102851757 A CN 102851757A
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Abstract
A special-shaped spinneret plate for spinning heavy denier yarns comprises an elliptic body (1). 90-192 spinning holes (2) are arranged on the body (1). One side of each spinning hole (2) is a feed inlet. The other side of each spinning hole (2) is a discharge outlet. The plurality of spinning holes (2) are arranged in a three-layered concentric ellipse structure from inside to outside. The spinneret plate is capable of producing glazed heavy denier yarns of 300-500D. Due to heavier filament number, diameters of micropores are slightly larger than those of round holes of products of conventional specification, and flow speed of melts in the micropores can be lowered effectively. In addition, the ellipse spinneret plate is different from conventional round spinneret plates, distribution of the micropores is facilitated, enhancement of cooling effect of spun fibers is facilitated, cooling uniformity of the heavy denier yarn is improved, and dyeing effect of the heavy denier yarn is also improved.
Description
Technical field
The present invention relates to a kind of spinnerets, especially produce the spinnerets of Artificial Silk, specifically a kind of profile spinneret that spins heavy denier yarn.
Background technology
Spinnerets claims again the spinning cap, and spinnerets can be transformed into the thread that the particular cross section shape is arranged by spinneret orifice with high polymer molten or the solution of viscous state, through forming strand after setting medium such as air or the coagulating bath curing.
The cooling effect of the spinnerets of production heavy denier yarn is bad at present, the flowing velocity of melt in micropore is fast, so that the production efficiency of heavy denier yarn is not high, the cooling effect of as-spun fibre is poor, inhomogeneities, and Color is bad, can not satisfy the demand of prior art.
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Summary of the invention
The objective of the invention is bad for the cooling effect of existing spinnerets, the flowing velocity of melt in micropore is fast, so that the production efficiency of heavy denier yarn is not high, the problem of stock-dye weak effect, the cooling effect that a kind of quality of production is high, can strengthen as-spun fibre is proposed, improve the cooling uniformity of heavy denier yarn, improve the profile spinneret that spins heavy denier yarn of its Color.
Technical scheme of the present invention is:
A kind of profile spinneret that spins heavy denier yarn comprises the spinnerets body, and the spinnerets body is provided with spinneret orifice, and the one side of spinneret orifice is charging aperture, and another side is discharging opening, and described spinnerets body is oval.
Spinneret orifice of the present invention is 90-192, and a plurality of spinneret orifices are three layers of concentration ellipse structural arrangement from inside to outside.
The arrangement straggly of the spinneret orifice of adjacent turn of the present invention.
Spinneret orifice of the present invention first lap from innermost layer is 28, and the second circle is 48, and the 3rd circle is 68.
The major semiaxis length of spinnerets body of the present invention is 115/2 mm; Semi-minor axis length is 75/2 mm.
The discharging opening of spinneret orifice of the present invention is circular, and diameter is 0.25-0.35 mm.
The draw ratio of spinneret orifice of the present invention is 2-3.
Beneficial effect of the present invention:
A kind of profile spinneret that spins heavy denier yarn of the present invention, with what this spinnerets can be produced 300D one 500D the light heavy denier yarn arranged, because filament number is thicker, so the diameter of micropore can be than the Circularhole diameter of conventional specification product more greatly, the flow rate of reduction melt in micropore that so just can be effectively.This oval-shaped spinnerets is different from the spinnerets of conventional circle simultaneously, is conducive to the distribution of micropore, is conducive to strengthen the cooling effect of as-spun fibre, improves the cooling uniformity of heavy denier yarn, improves its Color.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of profile spinneret that spins heavy denier yarn comprises spinnerets body 1, and spinnerets body 1 is provided with spinneret orifice 2, and the one side of spinneret orifice 2 is charging aperture, and another side is discharging opening, and described spinnerets body 1 is oval.
Spinneret orifice 2 of the present invention is 90-192, and a plurality of spinneret orifices 2 are three layers of concentration ellipse structural arrangement from inside to outside; The arrangement of micropore is three circles, but the micropore of every circle is wanted in picturesque disorder arrangement, like this, and the good cooling results of as-spun fibre.As shown in Figure 1, spinneret orifice 2 first lap from innermost layer is 28, and the second circle is 48, and the 3rd circle is 68.
The major semiaxis length of spinnerets body 1 of the present invention is 115/2 mm; Semi-minor axis length is 75/2 mm.
The discharging opening of spinneret orifice 2 of the present invention is circular, and diameter is 0.25-0.35 mm.
The draw ratio of spinneret orifice 2 of the present invention is 2-3.The kind of the 450D/96F that producing of my company for example, this micro-pore diameter is 0.28 mm, highly is 0.65 mm, namely the micropore draw ratio is 0.65/0.28=2.32.
A kind of profile spinneret that spins heavy denier yarn of the present invention, with what this spinnerets can be produced 300D one 500D the light heavy denier yarn arranged, because filament number is thicker, so the diameter of micropore can be than the Circularhole diameter of conventional specification product more greatly, the flow rate of reduction melt in micropore that so just can be effectively.Under the prerequisite with respect to same micro-pore diameter, spin the kind of 500D and spin the 150D kind, the flow rate of 500D kind is fast, and the Melt temperature rise that causes is also high; If 500D uses spinnerets of the present invention instead, micro-pore diameter more greatly, flow rate has also just suitably descended a little, can effectively reduce the too fast temperature rise that brings of flow velocity, in the melt Conveying process temperature rise too high, can cause the melt degraded, be unfavorable for that spinning is smooth.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (7)
1. profile spinneret that spins heavy denier yarn, comprise spinnerets body (1), spinnerets body (1) is provided with spinneret orifice (2), and the one side of spinneret orifice (2) is charging aperture, another side is discharging opening, it is characterized in that described spinnerets body (1) is for oval.
2. the profile spinneret that spins heavy denier yarn according to claim 1 is characterized in that described spinneret orifice (2) is 90-192, and a plurality of spinneret orifices (2) are three layers of concentration ellipse structural arrangement from inside to outside.
3. the profile spinneret that spins heavy denier yarn according to claim 2 is characterized in that described spinneret orifice (2) first lap from innermost layer is 28, and the second circle is 48, and the 3rd circle is 68.
4. the profile spinneret that spins heavy denier yarn according to claim 2 is characterized in that spinneret orifice (2) arrangement straggly of described adjacent turn.
5. the profile spinneret that spins heavy denier yarn according to claim 1, the major semiaxis length that it is characterized in that described spinnerets body (1) is 115/2 mm; Semi-minor axis length is 75/2 mm.
6. the profile spinneret that spins heavy denier yarn according to claim 1 is characterized in that the discharging opening of described spinneret orifice (2) for circular, and diameter is 0.25-0.35 mm.
7. the profile spinneret that spins heavy denier yarn according to claim 1, the draw ratio that it is characterized in that described spinneret orifice (2) is 2-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182246 CN102851757A (en) | 2011-06-30 | 2011-06-30 | Special-shaped spinneret plate for spinning heavy denier yarns |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182246 CN102851757A (en) | 2011-06-30 | 2011-06-30 | Special-shaped spinneret plate for spinning heavy denier yarns |
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| CN102851757A true CN102851757A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110182246 Pending CN102851757A (en) | 2011-06-30 | 2011-06-30 | Special-shaped spinneret plate for spinning heavy denier yarns |
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Application publication date: 20130102 |