CN107447264B - A kind of concentric circles spinneret - Google Patents
A kind of concentric circles spinneret Download PDFInfo
- Publication number
- CN107447264B CN107447264B CN201710707024.4A CN201710707024A CN107447264B CN 107447264 B CN107447264 B CN 107447264B CN 201710707024 A CN201710707024 A CN 201710707024A CN 107447264 B CN107447264 B CN 107447264B
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- Prior art keywords
- zone
- spinneret
- fluffing
- level
- fluffing zone
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
Abstract
The invention discloses a kind of novel concentric spinnerets.The concentric circles spinneret is equipped with several spinneret orifices and several bottoming holes；Spinneret orifice includes the feed zone being sequentially communicated, fluffing zone, refinement area and discharge zone；For feed zone to the direction of discharge zone, fluffing zone includes the first order fluffing zone, second level fluffing zone and third level fluffing zone being sequentially communicated；The longitudinal section of first order fluffing zone, second level fluffing zone and third level fluffing zone is in cydariform.Spinneret pore structure design on novel spinneret plate of the present invention rationally, stablizes spinning solution flowing therein, is heated evenly spinneret, ultimate strength improves 5~10% than in the past.The fibre single thread quality that spinneret plate structure produces through the invention is stablized, and the coefficient of the mean deviation of breaking strength deviation can control below 2%, the coefficient of the mean deviation of extension at break deviation can control below 1%, the coefficient of the mean deviation of line density deviation can control below 0.6%.
Description
Technical field
The present invention relates to a kind of novel concentric spinnerets, belong to chemical fiber machinery field.
Background technique
For spinneret as the indispensable precise part of spinning machine, function is by spinning pump (i.e. metering pump) exact dose
The spinning melt crossed squeezes out the fibre bundle for having certain thickness and being of close texture by the micropore spray on spinneret.In the prior art
Spinneret take single-stage fluffing zone, cause the flow instabilities phenomenon of discharge zone in this way.Spinneret in the prior art does not have
Using bottoming hole method, it is even that spinneret uneven heating is caused in this way.Both the above problem can be immediately affected by as-spun fibre
Tensile property, to cause fiber strength and extend the increase of uneven rate.
Summary of the invention
The object of the present invention is to provide a kind of novel concentric spinneret, to solve the unstable of discharge zone in the prior art
Flow phenomenon and spinneret uneven heating are even, influence as-spun fibre tensile property, to cause fiber strength and elongation not
The increase of rate the technical issues of.
Concentric circles spinneret provided by the present invention, spinneret are equipped with several spinneret orifices and several bottoming holes；
The spinneret orifice includes the feed zone being sequentially communicated, fluffing zone, refinement area and discharge zone；
The feed zone is used for the charging of spinning melt；
The fluffing zone is heated more evenly for Melt residence extruding；
The refinement area is for making melt from the coarse to fine；
The discharge zone is for making melt flow out the spinneret.
In the concentric circles spinneret, along the feed zone to the direction of the discharge zone, the fluffing zone include according to
First order fluffing zone, second level fluffing zone and the third level fluffing zone of secondary connection；
The longitudinal section of the first order fluffing zone, the second level fluffing zone and third level fluffing zone is in cydariform；
The first order fluffing zone, the second level fluffing zone and the diameter of the third level fluffing zone and the ratio of length
It is 1:0.9~0.8:0.7~0.5.
In the concentric circles spinneret, along the feed zone to the direction of the discharge zone, the feed zone and described
The longitudinal section for refining area is with a narrow upper and lower width trapezoidal.
In the concentric circles spinneret, the feed zone, the fluffing zone, the length for refining area and the discharge zone
Degree is than being 1:3~4:4~8:2.
In the concentric circles spinneret, the opening diameter of the feed zone is 0.8~3mm.
In the concentric circles spinneret, the circular in cross-section or cross of the discharge zone；
The cross section of the bottoming hole is triangular in shape, is specifically formed in Mitsubishi's rod structure of the spinneret；
The triangle is the equilateral triangle that side length is 0.5~3mm.
In the concentric circles spinneret, the spinneret orifice and the bottoming hole are alternately evenly arranged.
In the concentric circles spinneret, the spinneret orifice and the bottoming hole are arranged circumferentially about on the spinneret.
In the concentric circles spinneret, the spinneret is equipped with the pore structure that multiple tracks is arranged circumferentially about, to be formed
Concentric structure.
The present invention be heated evenly feed liquid can adequately in spinning outlet by the three-level fluffing zone of setting special construction,
Spinneret is set to be heated by bottoming hole simultaneously full and uniform and identical with cross-section temperature, spinning solution flowing is stablized, and ensure that list
The uniformity of silk size, the degree of orientation and crystallinity improves the tensile property of fiber, reduces fiber strength and elongation is uneven
Rate.
Spinneret of the present invention is not only suitable for Fypro spinning, is equally applicable in other synthetic fibers.
The invention has the following beneficial effects:
Spinneret pore structure design on novel spinneret plate of the present invention rationally, stablizes spinning solution flowing therein, makes spinneret
Plate is heated evenly, and ultimate strength improves 5~10% than in the past.The fibre single thread matter that spinneret plate structure produces through the invention
Amount is stablized, and the coefficient of the mean deviation (CV%) of breaking strength deviation can control below 2%, the mean square deviation system of extension at break deviation
(CV%) can control below 1% number, the coefficient of the mean deviation of line density deviation (CV%) can control below 0.6%.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the longitudinal section of spinneret orifice and bottoming hole in concentric circles spinneret of the present invention.
Fig. 2 is the structural schematic diagram of concentric circles spinneret of the present invention.
The components in the drawings are labeled as follows:
1, feed zone, 2, first order fluffing zone, 3, second level fluffing zone, 4, third level fluffing zone, 5, refinement area, 6, discharging
Area, 7, bottoming hole, 8, spinneret orifice.
Specific embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Embodiment 1,
As shown in Fig. 2, being provided with the pore structure that multiple tracks is circumferentially arranged on spinneret of the present invention, per pass circumference is equipped with interval
The spinneret orifice 8 and bottoming hole 7 being alternately arranged, and the hole on per pass circumference is uniformly at intervals.
As shown in Figure 1, spinneret orifice 8 is divided into feed zone 1, fluffing zone, refinement area 5 and discharge zone 6 from top to bottom.Into
Expect that area 1 and refinement area 5 are trapezium structure wide at the top and narrow at the bottom on longitudinal section.
As shown in Figure 1, fluffing zone is further divided into first order fluffing zone 2, second level fluffing zone 3 and third level fluffing zone 4, first
Grade fluffing zone 2, second level fluffing zone 3 and 4 diameter of third level fluffing zone and lenth ratio are 1:0.9:0.5.
Feed zone 1, fluffing zone, refinement area 5 and the lenth ratio of discharge zone 6 are 1:4:4:2.
The upper end opening diameter of feed zone 1 is 1mm.
The cross-sectional shape of the discharge zone 6 of spinneret orifice 8 is circle, and 7 cross-sectional shape of bottoming hole is triangle, specific to be formed
Alternate Mitsubishi's rod structure is recycled with spinneret orifice on spinneret.
7 cross-sectional triangle of bottoming hole is opening side length 0.5mm.
Spinning is carried out to Fypro using the present embodiment concentric circles spinneret, and using conventional spinneret as control,
The performance of fiber is as shown in table 1 after spinning, it can be seen that utilizes the property for the Fypro spinning that spinneret of the present invention obtains
Can have following raising than the performance of the Fypro spinning obtained using conventional spinneret: ultimate strength improves 10%, fracture
The coefficient of the mean deviation (CV%) of strength variance can control 1.9%, coefficient of the mean deviation (CV%) equal energy of extension at break deviation
1%, the coefficient of the mean deviation (CV%) of line density deviation be can control 0.5% for control.
Embodiment 2,
As shown in Fig. 2, being provided with the pore structure that multiple tracks is circumferentially arranged on spinneret of the present invention, per pass circumference is equipped with interval
The spinneret orifice 8 and bottoming hole 7 being alternately arranged, and the hole on per pass circumference is uniformly at intervals.
As shown in Figure 1, spinneret orifice 8 is divided into feed zone 1, fluffing zone, refinement area 5 and discharge zone 6 from top to bottom.Into
Expect that area 1 and refinement area 5 are trapezium structure wide at the top and narrow at the bottom on longitudinal section.
As shown in Figure 1, fluffing zone is further divided into first order fluffing zone 2, second level fluffing zone 3 and third level fluffing zone 4, first
Grade fluffing zone 2, second level fluffing zone 3 and 4 diameter of third level fluffing zone and lenth ratio are 1:0.8:0.7.
Feed zone 1, fluffing zone, refinement area 5 and the lenth ratio of discharge zone 6 are 1:3:4:2.
The upper end opening diameter of feed zone 1 is 3mm.
The cross-sectional shape of the discharge zone 6 of spinneret orifice 8 is circle, and 7 cross-sectional shape of bottoming hole is triangle, specific to be formed
Alternate Mitsubishi's rod structure is recycled with spinneret orifice on spinneret.
7 cross-sectional triangle of bottoming hole is the equilateral triangle of opening side length 1mm.
Spinning is carried out to Fypro using the present embodiment concentric circles spinneret, and using conventional spinneret as control,
The performance of fiber is as shown in table 1 after spinning, can find out, utilizes the property for the Fypro spinning that spinneret of the present invention obtains
Can have following raising than the performance of the Fypro spinning obtained using conventional spinneret: ultimate strength improves 5%, fracture
The coefficient of the mean deviation (CV%) of strength variance can control 2%, and the coefficient of the mean deviation (CV%) of extension at break deviation can be controlled
0.8%, the coefficient of the mean deviation (CV%) of line density deviation can control 0.6% system.
Embodiment 3,
As shown in Fig. 2, being provided with the pore structure that multiple tracks is circumferentially arranged on spinneret of the present invention, per pass circumference is equipped with interval
The spinneret orifice 8 and bottoming hole 7 being alternately arranged, and the hole on per pass circumference is uniformly at intervals.
As shown in Figure 1, spinneret orifice 8 is divided into feed zone 1, fluffing zone, refinement area 5 and discharge zone 6 from top to bottom.Into
Expect that area 1 and refinement area 5 are pass structure wide at the top and narrow at the bottom on longitudinal section.
As shown in Figure 1, fluffing zone is further divided into first order fluffing zone 2, second level fluffing zone 3 and third level fluffing zone 4, first
Grade fluffing zone 2, second level fluffing zone 3 and 4 diameter of third level fluffing zone and lenth ratio are 1:0.85:0.6.
Feed zone 1, fluffing zone, refinement area 5 and the lenth ratio of discharge zone 6 are 1:3.5:6:2.
The upper end opening diameter of feed zone 1 is 0.8mm.
The cross-sectional shape of the discharge zone 6 of spinneret orifice 8 is circle, and 7 cross-sectional shape of bottoming hole is triangle, specific to be formed
Alternate Mitsubishi's rod structure is recycled with spinneret orifice on spinneret.
7 cross-sectional triangle of bottoming hole is the equilateral triangle of opening side length 3mm.
Spinning is carried out to Fypro using the present embodiment concentric circles spinneret, and using conventional spinneret as control,
The performance of fiber is as shown in table 1 after spinning, can find out, utilizes the property for the Fypro spinning that spinneret of the present invention obtains
Can have following raising than the performance of the Fypro spinning obtained using conventional spinneret: ultimate strength improves 7%, and fracture is strong
The coefficient of the mean deviation (CV%) of degree deviation can control 1.8%, and the coefficient of the mean deviation (CV%) of extension at break deviation can be controlled
0.8%, the coefficient of the mean deviation (CV%) of line density deviation can control 0.4% system.
Fibre property comparison (1.5D) after 1 spinning of table
In specific implementation, the cross sectional shape of the discharge zone 6 of spinneret orifice can be round or cross circle, if the discharging
The cross sectional shape in area 6 be it is non-circular, then from refinement 5 contact portion of area gradually change；
Specific implementation is so that spinning melt enters from 1 upper end of feed zone, then successively the three-level fluffing zone through fluffing zone carries out
Adequately it is heated evenly, it is identical with cross-section temperature, it ensure that the uniformity of filament number, the degree of orientation and crystallinity.Then it passes through
Refinement area 5 is gradually refined as filiform, and discharging forms fibre single thread from discharge zone 6.
It can be seen that the fibre single thread quality that spinneret plate structure produces through the invention is stablized.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution modify or replace on an equal basis, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In scope of the presently claimed invention.
Claims (4)
1. a kind of concentric circles spinneret, it is characterised in that: the spinneret is equipped with several spinneret orifices and several bottoming holes；
The spinneret orifice includes the feed zone being sequentially communicated, fluffing zone, refinement area and discharge zone；
Along the feed zone to the direction of the discharge zone, the fluffing zone includes the first order fluffing zone being sequentially communicated, second
Grade fluffing zone and third level fluffing zone；
The longitudinal section of the first order fluffing zone, the second level fluffing zone and third level fluffing zone is in cydariform；
The first order fluffing zone, the second level fluffing zone and the diameter of the third level fluffing zone and the ratio of length are
1:0.9~0.8:0.7~0.5；
The feed zone, the fluffing zone, the refinement area and the length ratio of the discharge zone are 1:3~4:4~8:2；
The spinneret orifice and the bottoming hole are alternately evenly arranged；
The spinneret orifice and the bottoming hole are arranged circumferentially about on the spinneret；
The spinneret is equipped with the pore structure that multiple tracks is arranged circumferentially about.
2. concentric circles spinneret according to claim 1, it is characterised in that: along the feed zone to the side of the discharge zone
To the longitudinal section in the feed zone and the refinement area is with a narrow upper and lower width trapezoidal.
3. concentric circles spinneret according to claim 1 or 2, it is characterised in that: the opening diameter of the feed zone is 0.8
~3mm.
4. concentric circles spinneret according to claim 1 or 2, it is characterised in that: the circular in cross-section of the discharge zone
Or cross；
The cross section of the bottoming hole is triangular in shape；
The triangle is the equilateral triangle that side length is 0.5~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707024.4A CN107447264B (en) | 2017-08-17 | 2017-08-17 | A kind of concentric circles spinneret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707024.4A CN107447264B (en) | 2017-08-17 | 2017-08-17 | A kind of concentric circles spinneret |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107447264A CN107447264A (en) | 2017-12-08 |
| CN107447264B true CN107447264B (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707024.4A Active CN107447264B (en) | 2017-08-17 | 2017-08-17 | A kind of concentric circles spinneret |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376117B (en) * | 2020-11-11 | 2021-12-10 | 江苏丝丝缘纤维有限公司 | Spinneret plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003319A (en) * | 2001-06-22 | 2003-01-08 | Kuraray Co Ltd | Spinneret |
| CN202124676U (en) * | 2010-07-13 | 2012-01-25 | 三河厚德光机电有限公司 | Constant temperature spinneret plate |
| CN202809019U (en) * | 2012-10-22 | 2013-03-20 | 湖南铭裕无纺布有限公司 | Spinning box capable of spinning evenly |
| CN203559168U (en) * | 2013-10-24 | 2014-04-23 | 慈溪市利腾化纤有限公司 | Chemical fiber spinneret plate |
| CN104099673A (en) * | 2014-07-28 | 2014-10-15 | 苏州盛达织带有限公司 | Chemical fiber spinneret plate |
| CN104451906A (en) * | 2014-12-23 | 2015-03-25 | 常熟市云燕化纤有限公司 | Novel spinneret plate |
-
2017
- 2017-08-17 CN CN201710707024.4A patent/CN107447264B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003319A (en) * | 2001-06-22 | 2003-01-08 | Kuraray Co Ltd | Spinneret |
| CN202124676U (en) * | 2010-07-13 | 2012-01-25 | 三河厚德光机电有限公司 | Constant temperature spinneret plate |
| CN202809019U (en) * | 2012-10-22 | 2013-03-20 | 湖南铭裕无纺布有限公司 | Spinning box capable of spinning evenly |
| CN203559168U (en) * | 2013-10-24 | 2014-04-23 | 慈溪市利腾化纤有限公司 | Chemical fiber spinneret plate |
| CN104099673A (en) * | 2014-07-28 | 2014-10-15 | 苏州盛达织带有限公司 | Chemical fiber spinneret plate |
| CN104451906A (en) * | 2014-12-23 | 2015-03-25 | 常熟市云燕化纤有限公司 | Novel spinneret plate |
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| Publication number | Publication date |
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| CN107447264A (en) | 2017-12-08 |
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