CN2883409Y - Spinning board for spinning square section hollow fiber - Google Patents
Spinning board for spinning square section hollow fiber Download PDFInfo
- Publication number
- CN2883409Y CN2883409Y CN 200620070189 CN200620070189U CN2883409Y CN 2883409 Y CN2883409 Y CN 2883409Y CN 200620070189 CN200620070189 CN 200620070189 CN 200620070189 U CN200620070189 U CN 200620070189U CN 2883409 Y CN2883409 Y CN 2883409Y
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Images
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model provides a spinneret for spinning hollow fiber with rectangular cross-section. The spinning pore of the spinneret is a rectangular body with one, two or four slits; four corners of the rectangular body are composed of two perpendicularly-crossed long slits and an short slit extending outward; the centerlines of the short slit and the two long slits respectively form an 135 degrees included angle. By integrating the advantages of common profiled fiber and hollow fiber, the utility model provides a fiber material with excellent appearance, touch, quality, style and functions. Therefore, the utility model can be widely applied in costumes, indoor upholstery, industrial fabrics, membrane separation industries as well as cord, net, sewing line and oakum filling industries.
Description
Technical Field
The utility model relates to a spinneret, a key core component on a spinning device, in particular to a spinneret for spinning hollow fibers with rectangular cross sections, belonging to the technical field of synthetic fiber production.
Technical Field
The spinneret plate is a key core component for spinning short fibers or filaments on a spinning device. In the prior art, the hole shape of the special-shaped spinneret plate used by the filament device is C-shaped, deformed regular triangle, a combination pattern formed by a plurality of L and the like, and the cross section of the spun fiber is in the shapes of round single hole, round multi-hole, triangle, quadralobal shape, multilobal shape and the like. In the using process of the spinneret plates, due to the outlet expansion effect, the tendency of fiber section rounding exists more or less, and the prepared profiled fibers or hollow fibers are not ideal in functionality, fluffiness and heat preservation performance, cannot meet the application requirements of some occasions, and need to be further researched and developed.
Disclosure of Invention
The utility model aims at providing a can spin rectangular cross section hollow fiber's spinneret, the fibre spun with this spinneret can combine heterotypic fibre and hollow fiber's advantage, makes the fibre possess excellent comprehensive properties, but the wide application is in industrial fields such as clothing industry, room decoration industry, industrial fabric, membrane separation and rope, net, sewing thread and wadding, and the fabric made with this kind of fibre has excellent functionality, travelling comfort, heat insulating ability and vision, sense of touch perception moreover.
The purpose of the utility model is realized through the following technical solution:
the spinneret plate for spinning the hollow fiber with the rectangular cross section is provided with a plurality of spinneret orifices regularly, each spinneret orifice comprises a guide hole and a spinneret capillary hole, and the spinneret plate is characterized in that: the spinneret capillary is a discontinuous rectangular body, and four corners of the spinneret capillary areThe rectangular body is composed of two long slits which are vertical to each other and a short slit which extends to the outer side of an angle, and 135-degree included angles are formed between the central line of the short slit and the central lines of the two long slits respectively, so that the cross sections of four corners of the rectangular body are in a shape of a square "
"shape.
The purpose of the utility model can be further realized by the following technical measures:
the spinneret plate for spinning the hollow fiber with the rectangular cross section is characterized in that the long slits at the four corners of the rectangular body are not communicated or partially communicated, so that the rectangular body has 1, 2 or 4 slit notches.
Further, the spinneret plate for spinning rectangular cross-section hollow fibers as described above, wherein said long slits and short slits are wedge-shaped cavity slits.
Further, the spinneret plate for spinning rectangular cross-section hollow fibers as described above, wherein the relationship between the distance L1 or L2 between the outer edges of the two long slits transversely or longitudinally opposed to each other of the rectangular body is L1 (1.0 to 2.0) L2 0.3 to 3.6mm, L2 0.3 to 1.8mm, the relationship between the length L3 and the width L4 of the short slits is L3L 4 0.05 to 0.25mm, the slit width L6 of the long slits is 0.05 to 0.25mm, the end pitch L5 of the long slits is 0.05 to 0.25mm at the position of interruption of the rectangular body, and the corner inner corner radius R of the long slits and the short slits is 0.1 to 0.5) L6 is 0.005 to 0.125 mm.
Still further, the spinneret plate for spinning the hollow fiber with the rectangular cross section is characterized in that the diameter D of the guide hole is 2.0-4.0mm, the diameter D of the bottom of the guide hole is 1.0-4.0mm, the diameter of the circumscribed circle of the spinning capillary hole is 0.2-0.9 times of the diameter D of the bottom of the guide hole, and the depth h of the spinning capillary hole is 0.3-1.5 mm.
The utility model discloses technical scheme has following advantage:
(1) according to the hole shape and the technical parameters provided by the utility model, the manufacturing process of the spinneret plate is easy to realize, and the spinnability of the processed spinneret plate is excellent;
(2) the spinneret plate processed and manufactured by the technical scheme of the utility model is characterized in that the spun fiber consists of four slender planes which are mutually in a right angle, a continuous pore is arranged along the center of the fiber, and the fiber is in plane contact with the fiber, so that fabrics and tarpaulin with wind resistance, air permeability and excellent waterproof performance can be manufactured; the gap between the planes conforms to the capillary principle of two parallel plates, and the clothing fabric with good moisture absorption and sweat releasing effects can be manufactured;
(3) the spinneret plate processed and manufactured by the technical scheme of the utility model has the advantages that the spun fiber is not easy to roll, the outer surface of each fiber is a rectangular plane, the manufactured fabric is very compact in stacking, has paper texture (paper-like) and has the bright and soft luster like natural gemstones;
(4) the spinneret plate processed and manufactured by the technical scheme of the utility model has the advantages that the spun fiber is light and warm, and the performance is superior to that of common round and profiled fibers; the bending stiffness of the fiber is at least 1.2 times of that of a round fiber with the same fineness, and the fabric made of the fiber has a skeleton;
(5) by using the spinneret plate processed and manufactured by the technical scheme of the utility model, the filament number of the spun fiber can be 0.9-50dtex, the elongation is 10-30%, the strength is 2.0-10.0cn/dtex, the modulus is 40.0-100.0cn/dtex, the boiling water shrinkage rate is 2.0-10.0%, and the hollowness range of the fiber can be 8-30%;
(6) the technical proposal of the utility model has good application prospect, and can be used for spinning long filaments, short filaments or monofilaments, and the number of the spinneret holes can be 1-3000. The spinneret plate is suitable for melt spinning raw materials such as terylene, chinlon, polypropylene and the like, and the spun fibers have excellent comprehensive performance and wide application range and meet the requirements of users to the maximum extent.
Drawings
The technical solution of the present invention will be further explained with reference to the accompanying drawings. Wherein,
FIG. 1 is a schematic diagram of the distribution of orifices in a spinneret;
FIG. 2 is a schematic cross-sectional view of a single orifice of FIG. 1 taken along line A-A;
FIG. 3 is a cross-sectional view of the spin capillary of FIG. 2 viewed from direction B;
FIG. 4 is a further cross-sectional view of the spin capillary of FIG. 2 viewed from direction B;
FIG. 5 is a further cross-sectional view of the spin capillary of FIG. 2 viewed from direction B;
fig. 6 and 7 are electron microscope images of the cross-sectional shape of the fiber spun by the spinneret of the present invention.
In the figure: 1-spinneret orifice, 2-guide orifice and 3-spinneret capillary orifice; d-guide hole diameter, D-guide hole bottom diameter, h-spinning capillary hole depth and R-fillet radius of slit corner; l1-the lateral distance between the outer edges of the two opposing slits, L2-the longitudinal distance between the outer edges of the two opposing slits, L3-the length of the short slits, L4-the width of the short slits, L5-the spacing of the ends of the long slits, L6-the width of the long slits.
Detailed Description
The utility model discloses combine the dysmorphism hole shape and the ingenious combination of hollow hole shape of spinneret, design out the rectangular hollow fiber's of spinnability spinneret. As shown in fig. 1 and 2, similar to the prior spinneret plate, the spinneret plate has spinneret holes 1 including two parts of pilot holes 2 and spinneret capillary holes 3, and the distribution of the spinneret holes 1 can be concentric circles, diamonds, stars or other distribution forms, and the number of the arrangement of the spinneret holes 1 depends on the total number of the spinneret holes 1 and the fineness of the product. The material for manufacturing the spinneret plate is 1Cr18Ni9Ti or stainless steel with higher comprehensive performance index, and the quality of the processed spinneret plate meets the standard requirement of FJ/JQ 60-86.
The utility modelThe spinneret plate is characterized in that a spinneret capillary hole 3 is an interrupted rectangular body, four corners of the spinneret capillary hole are formed by two long slits 4a and 4b which are perpendicular to each other and a short slit 5 which extends to the outer side of the corner, and 135-degree included angles are respectively formed between the central line of the short slit 5 and the central lines of the two long slits 4a and 4b, so that the cross sections of four corners of the rectangular body are in a shape of'
"shape. The long slits 4a, 4b of the four corners cannot all be connected so that the rectangular body has 1, 2 or 4 slit notches, as shown in fig. 3, 4 and 5, and a hollow fiber of a rectangular section can be spun for each hole shape. Here, the long slits 4a, 4b and the short slits 5 can be designed as wedge-shaped pocket slits as shown in fig. 5.
During specific processing, the diameter D of the guide hole is 2.0-4.0mm, the diameter D of the bottom of the guide hole is 1.0-4.0mm, the diameter of the circumscribed circle of the spinning capillary hole 3 is 0.2-0.9 times of the diameter D of the bottom of the guide hole, and the depth h of the spinning capillary hole is 0.3-1.5 mm. The geometrical dimensions of the distance L1 or L2 between the outer edges of two long slits 4a or 4b of the rectangular body facing transversely or longitudinally are L1 (1.0 to 2.0) L2 to 0.3 to 3.6mm, L2 to 0.3 to 1.8mm, the length L3 and the width L4 of the short slit [5] are L3 to L4 to 0.05 to 0.25mm, and the slit width L6 of the long slits 4a, 4b is 0.05 to 0.25 mm. At the position of the interruption of the rectangular body, the distance L5 between the ends of the long slits 4a, 4b is 0.05-0.25mm, and the radius R of the fillet at the corners of the long slits 4a, 4b and the short slits 5 is (0.1-0.5) and L6 is 0.005-0.125 mm. The diameter of the spinneret plate can be 64-4100mm, the number of holes can be 1-3000 holes, and the spinneret plate is suitable for melt spinning processes of terylene, chinlon, polypropylene and the like.
As can be seen from fig. 3, 4 and 5, the four corners of each hole shape are intersected with three slits, the hole shape distribution of the spinneret plate is centrosymmetric or axisymmetric, and when the fiber is spun, due to the baras effect, after the high polymer melt with viscoelasticity flows out of the orifice of the spinneret plate, the size of the high polymer melt is increased under the combined action of the cohesive force and the surface tension of the high polymer melt, so that the high polymer melt at the gap position of the slit is expanded and normally adhered together before solidification. Wherein the melt stream flowing out of the short slit 5 plays a role in balancing and preventing shrinkage in the whole process. Thus, the hollow fiber with rectangular section can be prepared by further thinning, blowing cooling and solidification forming under the spinning condition.
The three hole shapes absorb and retain the advantages of the special-shaped hole shape and the middle hole shape, the defects of the special-shaped hole shape and the middle hole shape are overcome, the manufacturing process of the spinneret hole shape is met to the maximum extent, and the spinnability requirement of fibers is met. By selecting proper parameters, the fiber with the filament number of 0.9dtex to 50dtex, the elongation of 10 percent to 30 percent, the strength of 2.0(cn/dtex) to 10.0(cn/dtex), the modulus of 40.0 to 100.0(cn/dtex), the boiling water shrinkage of 2.0 percent to 10.0 percent and the hollowness of 8 percent to 30 percent can be spun. UDY-DT or POY-DTY, POY-DT, POY-ATY, FDY and other process routes are selected, the spinneret plate is used for production on a filament spinning machine, and various specifications of filament varieties can be spun; the short fibers can be spun on a short fiber spinning machine to produce various short fiber varieties; the size of the spinneret orifice is large, and monofilament (bristle) varieties with various specifications can be spun. Therefore, the utility model discloses the spinneret has expanded the fibrous range of application that spinneret dysmorphism hole shape, mesopore hole shape spun greatly, is the perfect combination of dysmorphism, cavity spinneret hole shape, is to the replenishment and the development of dysmorphism, cavity spinneret hole shape. Greatly expands the application field of the fiber and provides a wide selection range for enterprises.
Practical trial shows that the melt rheological property is excellent, the melt puffing phenomenon at the outlet of the spinneret orifice is normal and the spinnability is good when the spinneret plate is used for spinning. From the analysis of the angle of the manufactured fiber, the traditional fiber is mostly circular, the fiber is in line contact with the fiber and is easy to roll, and the high-density fabric can reduce the gaps among the fibers and increase the density of the fabric only by using superfine fibers. The utility model discloses then different, figure 6 and figure 7 are the electron microscope picture of using the fibrous cross sectional shape that the spinneret spun (wherein figure 7 reflects that L1 is the square fiber cross sectional condition that the system obtained when L2 was spun, it is the utility model discloses a special case), can see out from the picture, rectangle (rectangle or square) cross section hollow fiber, its surface comprises four long and thin planes that each other become the right angle, has a continuous pore along the fibre center, because the characteristics of self geometry, is the face contact between fibre and the fibre. Therefore, at the same weaving density, the fabric made of rectangular hollow fibers is denser than the fabric made of round fibers.
Further research shows that the section shape of the hollow fiber with the rectangular section has high similarity with the section shape of the spinneret capillary, and whether the hollow fiber with the rectangular section is used as warp or weft to manufacture compact fabrics, the gap formed between the outer surface planes of the hollow fiber completely conforms to the capillary principle of two parallel plates, so that the fabric with good moisture absorption and sweat releasing effects can be manufactured. The fabric made of the fiber has paper texture (paper-like) and bright and soft luster like natural jewels, has high refractive index, strong luster and beautiful and various colors, has glittering luster, is easy to maintain, and can be called as 'jewel fiber'.
The bending rigidity of the fiber with the rectangular cross section is at least 1.2 times of that of the round fiber with the same area, the fabric made of the fiber has a skeleton, is widely applied to fashion clothes such as wind coats and sport jackets, has smooth and soft surface, and has the functions of wind prevention (wind proof), ventilation and moisture prevention (rain proof). Generally, the diameter of raindrops is about 10-3000 μm, the size of water vapor on the surface of a human body is about 0.0004 μm, and due to the fact that rectangular fibers are stacked compactly, clothes fabrics, industrial covering clothes and the like with wind resistance, air permeability and moisture resistance can be manufactured by controlling gaps among the fabrics, and the product application is very wide. Moreover, the fiber has the performance of hollow fiber, has the performances of good suspension, fluffy and soft property, light weight and warm keeping, instant rebound after extrusion, no anaphylactic reaction to human body, easy washing and quick drying, belongs to front defense type, high sensitivity and intelligent functional fiber, and can be made into quilt wadding, sleeping bags, pillow cores, cold-proof articles and the like. The fabric is used for manufacturing the filling material, and has good heat preservation performance and fluffiness, and high resilience; in the field of non-woven fabrics, a fiber net can be manufactured, and the performance is outstanding; in the field of rope net industry, monofilament (bristle) can be manufactured, and the rope net has excellent performance and wide application; in the technical field of membrane separation, a fiber membrane with excellent performance can be manufactured by using the method.
In short, the rectangular cross section hollow fiber has the advantages of common special-shaped hollow fiber, is a fiber material with excellent performance in the aspects of appearance, touch, texture, style, function and the like, and can be widely applied to the industrial fields of clothing industry, living room decoration industry, industrial fabrics, membrane separation, ropes, nets, sewing threads, wadding and the like. The fiber produced by the spinneret plate of the utility model is used as the raw material, and can be directly knitted or woven according to the characteristics of fabrics in the clothing industry, the room decoration industry and the industrial industry; on the basis of the method, various new fabrics with excellent performance for clothes, such as thin fabrics taking a female skirt and a shirt as the center, thin to medium-thickness fabrics taking a suit, a skirt, trousers, a full dress, a coat, a sportswear, a casual dress and the like as the center, and the like, can be developed by combining with blending technologies of natural cotton, wool, silk, hemp and the like.
Claims (5)
1. A spinneret plate for spinning hollow fibers with rectangular cross sections, on which a plurality of spinneret orifices [1 ] are regularly arranged]Each spinneret hole [1 ]]Comprises a guide hole [2]And spinneret capillary [3]]Two parts, its characterized in that: the spinneret capillary hole [3]]Is a discontinuous rectangular body, and four corners of the body are provided with two long slits [4a, 4b ] which are vertical to each other]And a short slit [5] extending to the outside of the corner]Formed of a short slit [5]]With two long slits [4a, 4b ]]Respectively form an included angle of 135 degrees between the central lines, so that the cross sections of four corners of the rectangular body are in the shape of ""shape.
2. The spinneret plate for spinning rectangular cross-section hollow fibers according to claim 1, wherein: the long slits [4a, 4b ] at the four corners of the rectangular body are not communicated or partially communicated with each other, so that the rectangular body has 1, 2 or 4 slit gaps.
3. The spinneret plate for spinning rectangular cross-section hollow fibers according to claim 1 or 2, wherein: the long slits [4a, 4b ] and the short slits [5] are wedge-shaped cavity slits.
4. The spinneret plate for spinning rectangular cross-section hollow fibers according to claim 1 or 2, wherein: the relationship between the distance L1 or L2 between the outer edges of two long slits [4a ] or [4b ] transversely or longitudinally opposed to each other of the rectangular body is L1 (1.0 to 2.0) L2 (0.3 to 3.6 mm), L2 (0.3 to 1.8 mm), the relationship between the length L3 and the width L4 of the short slit [5] is L3 (0.05 to 0.25 mm), the slit width L6 of the long slit [4a, 4b ] is 0.05 to 0.25mm, the terminal end distance L5 of the long slit [4a, 4b ] is 0.05 to 0.25mm, and the corner radius R of the long slit [4a, 4b ] and the short slit [5] is (0.1 to 0.5) L580.005 mm to 0.125mm at the position of interruption of the rectangular body.
5. The spinneret plate for spinning rectangular cross-section hollow fibers according to claim 1 or 2, wherein: the diameter D of the guide hole [2] is 2.0-4.0mm, the bottom diameter D of the guide hole is 1.0-4.0mm, the diameter of the circumscribed circle of the spinning capillary hole [3] is 0.2-0.9 times of the bottom diameter D of the guide hole, and the depth h of the spinning capillary hole is 0.3-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620070189 CN2883409Y (en) | 2006-03-16 | 2006-03-16 | Spinning board for spinning square section hollow fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620070189 CN2883409Y (en) | 2006-03-16 | 2006-03-16 | Spinning board for spinning square section hollow fiber |
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| Publication Number | Publication Date |
|---|---|
| CN2883409Y true CN2883409Y (en) | 2007-03-28 |
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ID=37956471
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620070189 Expired - Fee Related CN2883409Y (en) | 2006-03-16 | 2006-03-16 | Spinning board for spinning square section hollow fiber |
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| Country | Link |
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| CN (1) | CN2883409Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418160A (en) * | 2011-08-09 | 2012-04-18 | 马海燕 | Large-diameter circular hollow polymer monofilament and production method thereof |
| CN105220251A (en) * | 2015-09-30 | 2016-01-06 | 江苏江南高纤股份有限公司 | The production method of thin dawn hollow core staple fibers |
| CN110578187A (en) * | 2019-09-23 | 2019-12-17 | 陕西天策新材料科技有限公司 | Graphite fiber with laminated cross-section structure and melt spinning method thereof |
| EP3859055A1 (en) | 2020-01-30 | 2021-08-04 | Carl Freudenberg KG | Square hollow fiber |
-
2006
- 2006-03-16 CN CN 200620070189 patent/CN2883409Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418160A (en) * | 2011-08-09 | 2012-04-18 | 马海燕 | Large-diameter circular hollow polymer monofilament and production method thereof |
| CN105220251A (en) * | 2015-09-30 | 2016-01-06 | 江苏江南高纤股份有限公司 | The production method of thin dawn hollow core staple fibers |
| CN105220251B (en) * | 2015-09-30 | 2017-10-13 | 江苏江南高纤股份有限公司 | The production method of fine-denier hollow core staple fibers |
| CN110578187A (en) * | 2019-09-23 | 2019-12-17 | 陕西天策新材料科技有限公司 | Graphite fiber with laminated cross-section structure and melt spinning method thereof |
| CN110578187B (en) * | 2019-09-23 | 2021-10-08 | 陕西天策新材料科技有限公司 | Graphite fiber with laminated cross-section structure and melt spinning method thereof |
| EP3859055A1 (en) | 2020-01-30 | 2021-08-04 | Carl Freudenberg KG | Square hollow fiber |
| CN113265713A (en) * | 2020-01-30 | 2021-08-17 | 科德宝两合公司 | Square hollow fiber |
| JP2021121698A (en) * | 2020-01-30 | 2021-08-26 | カール・フロイデンベルク・カー・ゲー | Square hollow fiber |
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