CN2883409Y - Spinning board for spinning square section hollow fiber - Google Patents
Spinning board for spinning square section hollow fiber Download PDFInfo
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- 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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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 key core parts---the spinnerets on the device for spinning, and especially a kind of spinnerets that spins the square-section doughnut belongs to the synthetic fiber production technical field.
Technical background
Spinnerets is the key core parts that spin short fiber or long filament on the device for spinning.In the prior art, the hole shape of the special-shaped spinnerets that filament plant uses has the equilateral triangle of C shape, distortion, composite figure of several L shaped one-tenth or the like, the rounded single hole in the cross section of the fiber that spins out, circular porous, shapes such as triangle, quatrefoil, leafy shape.These spinneretss in use, because of the outlet bulking effect, the trend that more or less has the fibre section rounding, profiled filament that makes or doughnut, its functional, fluffy performance and thermal property are unsatisfactory, can not satisfy the application requirements of some occasions, need the further novel spinnerets of research and development.
Summary of the invention
The purpose of this utility model provides a kind of spinnerets that can spin the square-section doughnut, fiber with this spinnerets spinning can be in conjunction with the advantage of heterotypic fibre and doughnut, make fiber have the excellent comprehensive performance, can be widely used in rag trade, indoor decoration industry, industrial fabric, film separation and industrial fields such as rope, net, sewing thread and fibrefill, and have excellent functional, comfortableness, heat insulating ability and vision, sense of touch perception with the fabric that this fiber is made.
The purpose of this utility model realizes by following technical solution:
The spinnerets of spinning square-section doughnut, be placed with several spinneret orifices above regularly, each spinneret orifice comprises guide hole and spray silk pore two parts, it is characterized in that: described spray silk pore is the cuboid of an interruption, its four angles are to be made of two orthogonal long slits and a short slit that stretches to the outside at angle, constitute 135 ° of angles respectively between the center line of short slit and the center line of two long slits, make that the cross section at four angles of described cuboid is "
" shape.
The purpose of this utility model also can further realize by following technical measures:
The spinnerets of above-mentioned spinning square-section doughnut wherein, does not lead to mutually between the long slit at four angles of described cuboid or partly leads to, and makes cuboid have 1,2 or 4 slit breach.
Further, the spinnerets of above-mentioned spinning square-section doughnut, wherein, described long slit and short slit are wedge shape cave groove slits.
Further, the spinnerets of above-mentioned spinning square-section doughnut, wherein, distance L 1 or the pass between the L2 between the outward flanges horizontal or vertically two relative long slits of described cuboid are L1=(1.0-2.0) L2=0.3-3.6mm, L2=0.3-1.8mm, the length L 3 of short slit and the pass between the width L4 are L3=L4=0.05-0.25mm, the slit width L6=0.05-0.25mm of long slit, at the cuboid discontinuity position, the terminal spacing L5=0.05-0.25mm of long slit, the bight fillet radius R=0.1-0.5 of long slit and short slit) L6=0.005-0.125mm.
Again further, the spinnerets of above-mentioned spinning square-section doughnut, wherein, footpath d=1.0-4.0mm at the bottom of the guide hole diameter D=2.0-4.0mm of described guide hole, the guide hole, the circumscribed circle of spray silk pore directly be footpath d at the bottom of the guide hole 0.2-0.9 doubly, the degree of depth h=0.3-1.5mm of spray silk pore.
Technical solutions of the utility model have the following advantages:
(1) hole shape and the technical parameter that provides according to the utility model, the manufacturing technique of spinnerets are easy to realize its spinning property excellence of the spinnerets of processing and fabricating;
(2) spinnerets of use technical solutions of the utility model processing and fabricating, the fiber of spinning is made up of four mutual rectangular elongated plane, along fibrillar center one continuous pore being arranged, is plane contact between fiber and the fiber, can make windproof ventilative, excellent fabric and the tarpaulin of water resistance; And the gap between the plane meets two parallel-plate capillary principles, more can produce the effective wearing fabric of moisture absorbing and sweat releasing;
(3) spinnerets of use technical solutions of the utility model processing and fabricating, the fiber of spinning is difficult for rolling, and the outer surface of every fiber all is a rectangle plane, and the fabric that makes piles up very fine and close, have papery sense (paper-like), and have beautiful soft gloss as the natural gemstone;
(4) spinnerets of use technical solutions of the utility model processing and fabricating, the fiber light weight of spinning is warming, and performance is better than typical circular and profiled filament; Fiber bending rigidity is 1.2 times of same fiber number circular fiber at least, and the fabric of making of this fiber has the body bone;
(5) spinnerets of use technical solutions of the utility model processing and fabricating, the filament number of the fiber of spinning can be 0.9-50dtex, elongation is 10-30%, intensity is 2.0-10.0cn/dtex, modulus is 40.0-100.0cn/dtex, boiling water shrinkage is 2.0-10.0%, and the degree of hollowness scope of fiber can be 8-30%;
(6) technical solutions of the utility model have a good application prospect, and it can be used for spinning filament yarn, short silk or monofilament, and the spinnerets hole count can be the 1-3000 hole.This spinnerets is fit to the melt-spun raw material, as terylene, polyamide fibre, polypropylene fibre etc., and the fiber excellent combination property that spins, of many uses, meet consumers' demand to greatest extent.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further.Wherein,
Fig. 1 is the distribution schematic diagram of spinneret orifice on the spinnerets;
Fig. 2 is along the cross-sectional view of the single spinneret orifice of A-A direction among Fig. 1;
Fig. 3 is a kind of sectional view of Fig. 2 from the observed spray silk of direction B pore;
Fig. 4 is Fig. 2 another sectional view from the observed spray silk of direction B pore;
Fig. 5 is Fig. 2 another sectional view from the observed spray silk of direction B pore;
Fig. 6, Fig. 7 are the Electronic Speculum figure that uses the cross sectional shape of the spun fiber of the utility model spinnerets.
Among the figure: 1-spinneret orifice, 2-guide hole, 3-spray silk pore; D-guide hole diameter, footpath at the bottom of the d-guide hole, the h-spray silk pore degree of depth, the fillet radius in R-slit bight; Lateral separation between the outward flange of two slits that L1-is relative, the fore-and-aft distance between the outward flange of two slits that L2-is relative, the length of the short slit of L3-, the width of the short slit of L4-, the terminal spacing of the long slit of L5-, the width of the long slit of L6-.
The specific embodiment
The utility model combines the special-shaped hole shape of spinnerets with the hollow hole shape is ingenious, design the spinnerets that can spin the rectangular hollow fiber.As depicted in figs. 1 and 2, similar with existing spinnerets, spinneret orifice 1 also comprises guide hole 2 and 3 two parts of spray silk pore above this spinnerets, the distribution of spinneret orifice 1 can be concentric circles, rhombus, babysbreath or other distribution form, and the number of turns of their arrangements on spinnerets is according to the fiber number of the sum of spinneret orifice 1 and product and decide.The material of making spinnerets uses 1Cr18Ni9Ti or the higher stainless steel of integrated performance index, and the spinnerets quality after the processing should meet the standard-required of FJ/JQ60-86.
The feature of the utility model spinnerets is, spray silk pore 3 is cuboids of an interruption, its four angles are to be made of two orthogonal long slit 4a, 4b and a short slit 5 that stretches to the outside at angle, constitute 135 ° of angles respectively between the center line of short slit 5 and the center line of two long slit 4a, 4b, make that the cross section at four angles of described cuboid is "
" shape.Long slit 4a, the 4b at four angles can not all lead to, and make cuboid have 1,2 or 4 slit breach, and as Fig. 3, Fig. 4 and shown in Figure 5, every kind of hole shape all can spin the square-section doughnut.Here, long slit 4a, 4b and short slit 5 can be designed to wedge shape cave groove slit shown in Figure 5.
Specifically add man-hour, footpath d=1.0-4.0mm at the bottom of guide hole diameter D=2.0-4.0mm, the guide hole, the circumscribed circle diameter of spray silk pore 3 be footpath d at the bottom of the guide hole 0.2-0.9 doubly, the degree of depth h=0.3-1.5mm of spray silk pore.Cuboid laterally or the distance L 1 between the outward flange of vertically relative two long slit 4a or 4b or the physical dimension of L2 be L1=(1.0-2.0) L2=0.3-3.6mm, L2=0.3-1.8mm, the length L 3 and the width L4 of short slit [5] are L3=L4=0.05-0.25mm, the slit width L6=0.05-0.25mm of long slit 4a, 4b.At the cuboid discontinuity position, the terminal spacing L5=0.05-0.25mm of long slit 4a, 4b, fillet radius R=(0.1-0.5) L6=0.005-0.125mm in long slit 4a, 4b and short slit 5 bights.The spinnerets diameter can be 64-4100mm, and hole count can be the 1-3000 hole, is applicable to melt-spinning processs such as terylene, polyamide fibre, polypropylene fibre.
From Fig. 3, Fig. 4, Fig. 5 as can be seen, four angles of every kind of hole shape all intersection three slits, it is center symmetry or axial symmetry that the spinnerets hole shape distributes, when this fiber of spinning, because Barus effect, have viscoelastic high polymer molten after flowing out the spinnerets aperture, size take place under high polymer molten cohesive force and surface tension acting in conjunction increase phenomenon, make the high polymer molten of slit gap position before curing, swell and adhesion normally more together.Wherein, melt the body thread, in whole process, play a part balance and prevent to shrink from what short slit 5 flowed out.Like this, under spinning condition,, just can be made into the square-section doughnut through further refinement, blowing cooling, solidified forming.
Above-mentioned three kinds of hole shapes all absorb the advantage that has kept special-shaped hole shape, mesopore hole shape, have removed the deficiency of special-shaped hole shape, mesopore hole shape, satisfy the manufacturing technique of spinneret orifice hole shape to greatest extent, satisfy the spinnability requirement of fiber.Select suitable parameters, can spin filament number is 0.9dtex-50dtex, extends to be 10%-30%, intensity is 2.0 (cn/dtex)-10.0 (cn/dtex), modulus is 40.0-100.0 (cn/dtex), and boiling water shrinkage is 2.0%-10.0%, and degree of hollowness is the fiber of 8%-30%.Select UDY-DT, perhaps process routes such as POY-DTY, POY-DT, POY-ATY, FDY are produced on Spinning Machine for Long Filament with this spinnerets, can spin all size long filament kind; On short silk spinning machine, produce, can spin short silk, produce various short fiber kinds; Select bigger spinneret orifice size for use, also can spin all size monofilament (bristlelike monofilament) kind.Therefore, the utility model spinnerets has been expanded the range of application of spinnerets abnormity hole shape, mesopore fiber that hole shape spins greatly, is the perfect adaptation of abnormity, hollow spinneret orifice hole shape, is replenishing and develop abnormity, hollow spinneret orifice hole shape.Expand the Application Areas of fiber greatly, for enterprise provides wide range of choice.
Practical probation shows, melt rheological property can be good when using this spinnerets spinning, the spinneret orifice exit expanded phenomenon of melt is normal, good spinnability.From the fiber angle analysis of making, it is circular that traditional fibre mostly is, and is that line contact between fiber and the fiber, easily rolls, and high-density fabric must use superfine fibre, just can make between fiber the space reduce the increase Density.The utility model is then different, Fig. 6 and Fig. 7 be the Electronic Speculum figure that uses the cross sectional shape of the spun fiber of the utility model spinnerets (wherein Fig. 7 reflection be L1=L2 the time spinning square fibre section situation that obtains, it is a special case of the present utility model), as can be seen from the figure, rectangle (rectangle or square) cross section doughnut, its outer surface is made up of four elongated plane that are mutually the right angle, along fibrillar center one continuous pore is arranged, because self geometry, be that face contacts between fiber and the fiber.So under same weaving density, the fabric that the fabric that the rectangular hollow fiber is done is made than circular fiber is more fine and close.
Further discover, the cross sectional shape of square-section doughnut and the cross sectional shape similarity height that sprays the silk pore, no matter the square-section doughnut makes densified fabric as warp or parallel, the gap that forms between the fiber outer surface plane meets two parallel-plate capillary principles fully, can produce the effective lining of moisture absorbing and sweat releasing.The fabric that this fiber is made has beautiful soft gloss as papery sense (paper-like) and the natural gemstone, and its refractive index height, gloss is strong, color is beautiful various, and the tool reflecting feel that shines easily maintains, and can be referred to as " jewel fiber ".
The bending stiffness of square-section fiber is 1.2 times of same area circular fiber at least, the fabric of making of this fiber has the body bone, be widely used on fashion clothing such as wind coat, the blazer, its surface smoothing is submissive, has windproof (wind proof), ventilative, the function of damp proof (rain proof) concurrently.Usually, the diameter of raindrop is about 10-3000 μ m, and human body surface water vapour size is approximately 0.0004 μ m, because rectangular fiber is piled up densification, by space between the control fabric, can make windproof, ventilative, damp proof garment fabric and industrial shelter cloth etc., product purpose is very extensive.Moreover, this fiber has the performance of doughnut concurrently, have dangle, fluffy softness, light weight are warming, resilience immediately after the extruding, human body is not had allergic reaction, performance such as quick-drying washable, belong to fashionable type, high perception, intelligent functional fibre, also can be made into by wadding, sleeping bag, pillow, winter protection article etc.It is used to make stuffing, and thermal property and fluffy performance are good, the resilience height; In the non-weaving cloth field, can make fiber web, performance is outstanding; At the netting industrial circle, can make monofilament (bristlelike monofilament), performance is excellent, purposes is wide; In the membrane separation technique field, with it can also the manufacturing property excellence tunica fibrosa.
In a word, the square-section doughnut is gathered the advantage of common abnormity, doughnut, be a kind of fibrous material, can be widely used in rag trade, indoor decoration industry, industrial fabric, film separation and industrial fields such as rope, net, sewing thread and fibrefill at aspect excellent performances such as outward appearance, sense of touch, texture, style, functions.The fiber that makes with the utility model spinnerets is a raw material, according to the characteristics of rag trade, indoor decoration industry, industrial fabric, can directly carry out knitting or woven; Can also it be the basis, in conjunction with blending technologies such as natural cotton, hair, silk, fiber crops, develop the new fabric of taking of multiple excellent performance, as being the top-weight fabric at center with women's skirt, shirt, with suit, skirt, slacks, full dress, overcoat, sportswear, housecoat etc. is the slim to the medium-thick type fabric of center, or the like.
Claims (5)
1. spin the spinnerets of square-section doughnut, be placed with several spinneret orifices [1] above regularly, each spinneret orifice [1] comprises guide hole [2] and spray silk pore [3] two parts, it is characterized in that: described spray silk pore [3] is the cuboid of an interruption, its four angles are to be made of two orthogonal long slits [4a, 4b] and a short slit [5] that stretches to the outside at angle, constitute 135 ° of angles respectively between the center line of short slit [5] and the center line of two long slits [4a, 4b], make that the cross section at four angles of described cuboid is "
" shape.
2. the spinnerets of spinning according to claim 1 square-section doughnut is characterized in that: do not lead to mutually between the long slit at four angles of described cuboid [4a, 4b] or partly lead to, make cuboid have 1,2 or 4 slit breach.
3. the spinnerets of spinning according to claim 1 and 2 square-section doughnut is characterized in that: described long slit [4a, 4b] and short slit [5] are wedge shape cave groove slits.
4. the spinnerets of spinning according to claim 1 and 2 square-section doughnut, it is characterized in that: distance L 1 or the pass between the L2 between horizontal or vertically relative two the long slits [4a] of described cuboid or the outward flange of [4b] are L1=(1.0-2.0) L2=0.3-3.6mm, L2=0.3-1.8mm, the length L 3 of short slit [5] and the pass between the width L4 are L3=L4=0.05-0.25mm, long slit [4a, 4b] slit width L6=0.05-0.25mm, at the cuboid discontinuity position, long slit [4a, 4b] terminal spacing L5=0.05-0.25mm, long slit [4a, 4b] and bight fillet radius R=(0.1-0.5) L6=0.005-0.125mm of short slit [5].
5. the spinnerets of spinning according to claim 1 and 2 square-section doughnut, it is characterized in that: footpath d=1.0-4.0mm at the bottom of the guide hole diameter D=2.0-4.0mm of described guide hole [2], the guide hole, the circumscribed circle diameter of spray silk pore [3] be footpath d at the bottom of the guide hole 0.2-0.9 doubly, the degree of depth h=0.3-1.5mm of spray silk pore.
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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| CN2883409Y true CN2883409Y (en) | 2007-03-28 |
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| 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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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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20100316 |