CN101935891A - Hollow fiber spinning nozzle of insertion tube type - Google Patents
Hollow fiber spinning nozzle of insertion tube type Download PDFInfo
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- CN101935891A CN101935891A CN2009100694844A CN200910069484A CN101935891A CN 101935891 A CN101935891 A CN 101935891A CN 2009100694844 A CN2009100694844 A CN 2009100694844A CN 200910069484 A CN200910069484 A CN 200910069484A CN 101935891 A CN101935891 A CN 101935891A
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- pipe fitting
- spinning nozzle
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Abstract
The invention provides a hollow fiber spinning nozzle of an insertion tube type, comprising a bottom sheet, a middle sheet, an upper cover, a fastening bolt, an insertion tube fitting, a positioning base and a bolt. The fastening bolt connects the bottom sheet (1), the a middle sheet and the upper cover together so as to fix the whole framework of the nozzle; the insertion tube fitting is arranged in a hole of the middle sheet for spraying feed liquor, the positioning base is arranged in a hole of the middle sheet and connected with the middle sheet through threads, and the bolt is set to penetrate through the positioning base for positioning the insertion tube fitting. According to the nozzle structure of the invention, the concentricity of the nozzle is convenient to adjust so that the nozzle is convenient to take apart and clean and easy to assemble. The invention not only is convenient to use, but also can ensure the spinning quality, is favorable to being useding in mass production, can be conveniently to replaced with syringe needles of different specifications and be used for spinning bilayer or multi-layer composite hollow fiber and multi-core hollow fiber or processing a spinning nozzle with 1-36 holes or more.
Description
Technical field
The present invention relates to the chemical fibre spinning nozzle, be specially the used insertion tubular type of spinning doughnut porous spinning nozzle.
Background technology
Spinning nozzle is the critical component of spinning doughnut in the spinning machine, the spinning doughnut generally adopts and inserts the tubular type spinning nozzle, its operation principle is to flow out spinning core liquid in inserting pipe, form hollow fiber cavity, annular space ejection spinning solution inserting between pipe outer wall and the spinneret orifice forms hollow fiber walls.Therefore the concentricity of inserting pipe and spinneret orifice directly influences the evenness of wall thickness of spun doughnut, the i.e. quality of doughnut.The insertion tubular type spinning nozzle that uses is fixed owing to its base structure at present, make the insertion pipe non-adjustable substantially in the position of spinneret orifice, especially for the porous spinning nozzle, the main raising machining accuracy that relies on solves, and the concentricity of all unresolved insertion pipe of prior art and spinneret orifice is adjusted problem.Will adjusting in the porous spinning nozzle each one by one, to insert pipe very difficult with the concentricity of spinneret orifice, in fact in order to guarantee that the doughnut spinning quality has to use the single hole spinning nozzle.In order to improve output, can only use a plurality of spinning nozzles even many spinning machines, cause spinning equipment control complexity, equipment investment and operating cost to increase.Therefore can the accurate porous spinning nozzle of adjusting concentricity be to enhance productivity, reduce cost, the critical component of large-scale production doughnut and key technology.
Patent ZL96109016.2 hollow membrane is with inserting the porous spinning nozzle that the tubular type spinning nozzle designs, and the basic element of character is made up of A, B, three of C.Circumferential 3-24 the spinneret orifice that evenly distribute on components A, last figure is exemplified as 6 holes.On part B and the corresponding position of components A, evenly inlay 6 syringe needles.On parts C, there is annular spinning core liquid to distribute runner 7 with part B needle holder correspondence position.Use bolted respectively with parts C on components A and part B, the part B.Earlier with components A and part B bolted, then with the method for knocking syringe needle root 4, adjust the concentricity of each discharge opening at an easy rate one by one, and when adjusting the concentricity of some discharge openings, the concentricity of other discharge openings is unaffected fully, and it is concentric 6 or more a plurality of discharge opening can be adjusted to pinpoint accuracy like this.And then with part B and parts C bolted, thereby obtain the good porous spinning nozzle of concentricity, can effectively guarantee the hollow-fibre membrane product quality, make porous nozzle be fit to suitability for industrialized production, significantly improve output, reduce cost simultaneously.But find in actual applications, at room temperature after the adjustment with one heart, under the heating service condition,, influence the doughnut spinning quality, thereby can not ordinary production because the release of flow of metal stress causes losing with one heart.Simultaneously, adjust with one heart by the method for knocking the injection needle root, the one, waste time and energy, the 2nd, easily cause the injection needle needle stand to damage.
Summary of the invention
The present invention improves in the spinning nozzle configuration aspects.
A kind of insertion tubular type doughnut spinning nozzle comprises egative film 1, middle part sheet 2, loam cake 3, fastening bolt 7, inserts pipe fitting 8, positioning pedestal 4, bolt 6; Fastening bolt will connect egative film 1, middle part sheet 2, loam cake 3 and couple together, thereby the general frame of shower nozzle is fixed up; Insert pipe fitting 8 and be arranged in the hole of middle part sheet 2, be used to spray feed liquid; Positioning pedestal 4 is provided with the place, aperture of middle part sheet 2, is connected with middle part sheet 2 by screw thread, and bolt (6) is set to pass positioning pedestal (4), positions inserting pipe fitting (8).
In addition, 2 or more a plurality of middle parts sheet are set, constitute the composite spinning shower nozzle, thereby with two kinds even more kinds of different formulations spinning liquid feeding spinning nozzle.
In addition, insert pipe fitting 8 and have base 12 and the insertion pipe 11 that is inserted in the base; Base 12 constitutes main part, and its inside is hollow, is used to flow through feed liquid; Base 12 forms taper seats 13 with the parts that insertion pipe 11 is connected.
In addition, be arranged in the hole on the sheet 2 of middle part inserting pipe fitting 8, the base 12 that inserts pipe fitting 8 has certain interval with the hole wall of middle part sheet 2, and the cone face that inserts pipe fitting (8) directly contacts with middle part sheet 2, and, between insertion pipe fitting 8 and middle part sheet 2, seal (15) is set
In addition, positioning pedestal 4 comprises head 41 and bottom 42, and wherein, bottom 42 is the screw thread cylinder, screws in the hole of middle part sheet 2, and head is arranged on outside the hole of middle part sheet, is used for stressed bottom 42 with positioning pedestal and screws in middle part sheet 2;
Evenly distribute three on the positioning pedestal 4 and locate set screw 6, location set screw 6 is passed positioning pedestal 4 backs and is directly contacted with the base 12 that inserts pipe fitting 8; By regulating the screw-in depth of set screw 6, realization is inserted the insertion of pipe fitting 8 and is managed the displacement of the 11 termination mouths of pipe, thereby regulates the concentricity of inserting pipe 8 and loam cake 3 discharging openings.
Between base 12 that inserts pipe fitting 8 and positioning pedestal 4, install transition piece 10 additional, transition piece 10 is circular, its external diameter is greater than the external diameter of base 12, location set screw 6 directly contacts with transition piece 10, by regulating the screw-in depth of set screw 6, process transition piece 10 is realized the transmission of screws 6 roof pressure power, thereby regulates the concentricity of inserting pipe 11 and loam cake 3 discharging openings easily.
Syringe needle more than two or two is set, and circumference distributes with one heart, tilts to install with angle, discharging opening on the corresponding loam cake 3, thus can spin out the multicore doughnut.Inserting pipe fitting 11 is syringe needle.
According to nozzle structure of the present invention, can adjust the concentric of shower nozzle easily, and can take cleaning easily apart, be easy to assembling.Not only easy to use, and can guarantee spinning quality, help in large-scale production, using.
According to nozzle structure of the present invention, can change the injection needle of different size easily, to adapt to the doughnut spinning requirement of different size.
According to nozzle structure design of the present invention, can spin double-deck even more multi-layered compound doughnut.
According to nozzle structure design of the present invention, can spin the multicore doughnut.
According to nozzle structure of the present invention design, can process the 1-36 hole even the spinning nozzle of porous more.
Description of drawings
Fig. 1 is the cutaway view of porous spinning nozzle of the present invention;
Fig. 2 shows the cutaway view of porous spinning nozzle of the present invention middle part sheet;
Fig. 3 is the cutaway view that porous spinning nozzle of the present invention inserts pipe fitting;
Fig. 4 a is the longitudinal sectional view of positioning pedestal of the present invention;
Fig. 4 b is the transverse sectional view that positioning pedestal of the present invention is positioned at the middle part sheet;
Fig. 5 is the schematic diagram of composite spinning shower nozzle of the present invention;
Fig. 6 is according to a different embodiment, the schematic diagram of a plurality of syringe needles;
Fig. 7 is the cross section view of 5 core doughnuts.
The specific embodiment
As shown in Figure 1, 2, porous spinning nozzle of the present invention is combined by egative film 1, middle part sheet 2, loam cake 3 and fastening bolt 7, insertion pipe fitting 8, positioning pedestal 4.
A fastening bolt 7 connects egative film 1 and middle part sheet 2, and the another one bolt connects middle part sheet 2, loam cake 3, thereby the general frame of shower nozzle is fixed up.
Fastening bolt 7 is a circumference uniform distribution, is provided with three.The bolt that connects middle part sheet 2 and loam cake 3 is similarly three of circumference uniform distributions.
Fig. 3 has shown that in detail the present invention inserts the structure of pipe fitting 8.As shown in Figure 3, insert pipe fitting 8 and have base 12 and the insertion pipe 11 that is inserted in the base.Base 12 constitutes main part, and its inside is hollow, and profile is a cylinder, is used to flow through feed liquid.Base 12 forms taper seats 13 with the parts that insertion pipe 11 is connected.
Insert pipe fitting 8 and can directly use injection needle, also stainless steel tube 11 can be embedded in the copper or stainless base 12 and constitute, can also directly on lathe, process with copper or stainless steel material.Its key point is that base 12 is a taper seat with inserting pipe 11 junctions, and simultaneously, base 12 is managed 11 for closely to be connected with insertion, ensures sealing.
Fig. 2 has shown the combination of inserting pipe fitting 8 and middle part sheet 2 in detail.As shown in Figure 2, pack in the hole on the sheet 2 of middle part inserting pipe fitting 8, inserting the base 12 of pipe fitting 8 and the hole wall of middle part sheet 2 has certain interval, and the cone part of inserting pipe fitting 8 directly contacts with middle part sheet 2, and the cone part of inserting pipe fitting 8 is sealed by seal 15 with middle part sheet 2.
As shown in Figure 2, the hole of middle part sheet 2 is provided with positioning pedestal 4, the hole wall of above-mentioned positioning pedestal 4 and middle part sheet 2 is for being threaded, even 6, three location of set screw, three location set screw 6 that distributes of circumference is passed through directly to contact with the base 12 that inserts pipe fitting 8 behind the positioning pedestal 4 on the positioning pedestal 4.By regulating the screw-in depth of three set screws 6, realize that the displacement of the 11 termination mouths of pipe is managed in the insertion of insertion pipe fitting 8, thereby can regulate the concentricity of inserting pipe 8 and loam cake 3 discharging openings easily.
Also can install transition piece 10 additional between base 12 that inserts pipe fitting 8 and positioning pedestal 4, transition piece 10 is circular, and its external diameter is convenient to select for use three location set screw 6 greater than the external diameter of base 12, and three location set screw 6 are directly contacted with transition piece 10.By regulating the screw-in depth of three set screws 6, realize the transmission of screw 6 roof pressure power through transition piece 10, thereby can regulate the concentricity of inserting pipe 11 and loam cake 3 discharging openings easily.
Shown in Fig. 4 a, positioning pedestal 4 comprises head 41 and bottom 42.Wherein, head 41 is hexagonal prism or tetragonal prism or other shape, and it act as and bottom 42 can be screwed in the hole of middle part sheet 2.Bottom 42 is a cylinder, and cartridge outer surface is formed with screw thread.
Shown in Fig. 4 a and 4b, in the hole of middle part sheet 2 on, put into and insert pipe fitting 8, screw in the bottom of positioning pedestal 4 again.Equally distributed three set screws 6 pass positioning pedestal 4 backs and contact with insertion pipe fitting 8.By adjusting the screw-in depth of three set screws respectively, thereby can adjust the relative position of injection needle in loam cake 3 spinning discharging endoporus, make injection needle concentric, make the annular space between the hole of injection needle and loam cake 3 spinning discharging openings even with the endoporus height of loam cake 3 spinning discharging openings.Because the forced guiding effect of three set screws 6 can guarantee that then spinning nozzle exit injection needle is concentric with the endoporus on the insertion pipe fitting, be not subjected to the influence of factor such as shower nozzle thermal deformation, thereby guarantee that spun doughnut wall thickness is even.
As shown in Figure 5, increase an intermediate 5, can make the composite spinning shower nozzle.By increasing a plurality of intermediates, can be with two kinds even more kinds of different formulations spinning liquid feeding spinning nozzle.
As shown in Figure 6,2～9 even spininess head more can be distributed with one heart, tilt to install with angle by circumference, discharging opening on the corresponding loam cake 3, thus can spin out the multicore doughnut.
As shown in Figure 7, be the doughnut sectional schematic diagram of 5 cores.
The concrete size of runner can be as figure, but the scope of patent of the present invention is not limited.
According to nozzle structure of the present invention design, can process the 1-36 hole even the spinning nozzle of porous more.
According to nozzle structure of the present invention, can adjust the concentric of shower nozzle easily, and can take cleaning easily apart, be easy to assembling.Not only easy to use, and can guarantee spinning quality, help in large-scale production, using.
According to nozzle structure of the present invention, can change the injection needle of different size easily, to adapt to the doughnut spinning requirement of different size.
Claims (8)
1. one kind is inserted tubular type doughnut spinning nozzle, comprise egative film (1), middle part sheet (2), loam cake (3),
Fastening bolt (7), insertion pipe fitting (8), positioning pedestal (4), bolt (6);
Fastening bolt (7) couples together egative film (1), middle part sheet (2), loam cake (3), thereby the general frame of shower nozzle is fixed up;
Insert pipe fitting (8) and be arranged in the hole of middle part sheet (2), be used to spray feed liquid;
Positioning pedestal (4) is provided with the place, aperture of middle part sheet (2), is connected with middle part sheet (2) by screw thread;
Bolt (6) is set to pass positioning pedestal (4), positions inserting pipe fitting (8).
2. insertion tubular type doughnut spinning nozzle according to claim 1 is characterized in that:
2 or more a plurality of middle parts sheet are set, constitute the composite spinning shower nozzle, thereby with two kinds even more kinds of different formulations spinning liquid feeding spinning nozzle.
3. insertion tubular type doughnut spinning nozzle according to claim 1 and 2 is characterized in that:
Inserting pipe fitting (8) has base (12) and is inserted in insertion pipe (11) in the base;
Base (12) constitutes main part, and its inside is hollow, is used to flow through feed liquid;
Base (12) forms taper seats (13) with the parts that insertion pipe 11 is connected.
4. insertion tubular type doughnut spinning nozzle according to claim 3 is characterized in that:
To insert pipe fitting (8) is arranged in the hole of middle part on the sheet 2, insert the base (12) of pipe fitting (8) and the hole wall of middle part sheet (2) certain interval is arranged, the cone face that inserts pipe fitting (8) directly contacts with middle part sheet (2), and, between insertion pipe fitting (8) and middle part sheet (2), seal (15) is set.
5. insertion tubular type doughnut spinning nozzle according to claim 4 is characterized in that:
Positioning pedestal (4) comprises head (41) and bottom (42), and wherein, bottom (42) are the screw thread cylinder, screws in the hole of middle part sheet (2), and head is arranged on outside the hole of middle part sheet, is used for stressed bottom with positioning pedestal (42) and screws in middle part sheet (2);
Positioning pedestal (4) is gone up three the location set screw (6) that evenly distribute, and location set screw (6) is passed positioning pedestal (4) back and directly contacted with the base (12) that inserts pipe fitting (8); By regulating the screw-in depth of set screw (6), the displacement of insertion pipe (11) the termination mouth of pipe of pipe fitting (8) is inserted in realization, thereby regulates the concentricity of inserting pipe (8) and loam cake (3) discharging opening.
6. insertion tubular type doughnut spinning nozzle according to claim 3 is characterized in that:
Between base (12) that inserts pipe fitting (8) and positioning pedestal (4), install transition piece (10) additional, transition piece (10) is circular, its external diameter is greater than the external diameter of base (12), location set screw (6) directly contacts with transition piece (10), by regulating the screw-in depth of set screw (6), process transition piece (10) is realized the transmission of screw (6) roof pressure power, thereby regulates the concentricity of inserting pipe (11) and loam cake (3) discharging opening easily.
7. insertion tubular type doughnut spinning nozzle according to claim 3 is characterized in that:
Syringe needle more than two or two is set, and circumference distributes with one heart, tilts to install with angle, the last discharging opening of corresponding loam cake (3), thus can spin out the multicore doughnut.
8. insertion tubular type doughnut spinning nozzle according to claim 3 is characterized in that:
Inserting pipe fitting (11) is syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100694844A CN101935891B (en) | 2009-06-29 | 2009-06-29 | Hollow fiber spinning nozzle of insertion tube type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100694844A CN101935891B (en) | 2009-06-29 | 2009-06-29 | Hollow fiber spinning nozzle of insertion tube type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101935891A true CN101935891A (en) | 2011-01-05 |
| CN101935891B CN101935891B (en) | 2012-04-04 |
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ID=43389449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100694844A Expired - Fee Related CN101935891B (en) | 2009-06-29 | 2009-06-29 | Hollow fiber spinning nozzle of insertion tube type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101935891B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290492A (en) * | 2013-05-31 | 2013-09-11 | 华中科技大学 | Production method and device of micro-diameter wires or tubes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059477C (en) * | 1996-07-24 | 2000-12-13 | 天津纺织工学院膜天膜技术工程公司 | Insertion-tube type spinning nozzle head for voided film |
| CN101200815A (en) * | 2006-12-11 | 2008-06-18 | 胡萍 | Spinning nozzle |
-
2009
- 2009-06-29 CN CN2009100694844A patent/CN101935891B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290492A (en) * | 2013-05-31 | 2013-09-11 | 华中科技大学 | Production method and device of micro-diameter wires or tubes |
| CN103290492B (en) * | 2013-05-31 | 2015-10-28 | 华中科技大学 | The preparation method of a kind of micro-footpath silk or pipe and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101935891B (en) | 2012-04-04 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200409 Address after: Room 101, unit 1, building 22, lvxuanyuan, taiyangcheng, Hedong District, Tianjin 300252 Patentee after: Lv Jianyang Address before: 300252 Tianjin City Hedong District Weiguo Road, Sun City Green Xuan Park Building No. 22 1 Patentee before: Lv Xiaolong |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20210629 |