CN100338271C - Composite spinning component entities including double constituents - Google Patents
Composite spinning component entities including double constituents Download PDFInfo
- Publication number
- CN100338271C CN100338271C CNB2004100144061A CN200410014406A CN100338271C CN 100338271 C CN100338271 C CN 100338271C CN B2004100144061 A CNB2004100144061 A CN B2004100144061A CN 200410014406 A CN200410014406 A CN 200410014406A CN 100338271 C CN100338271 C CN 100338271C
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- Prior art keywords
- composite
- melt
- ring
- plate
- sand
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- 239000002131 composite material Substances 0.000 title claims abstract description 70
- 238000009987 spinning Methods 0.000 title claims abstract description 14
- 239000000470 constituent Substances 0.000 title 1
- 239000004576 sand Substances 0.000 claims abstract description 62
- 238000009826 distribution Methods 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 239000000155 melt Substances 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 abstract description 18
- 230000002349 favourable effect Effects 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000013329 compounding Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The present invention discloses a bicomponent composite spinning component. The component comprises an upper casing body, a lower casing body, a sand tank, an annular sand chamber, a bearing plate, serial distribution plates, a composite plate and a spinneret plate. The present invention is characterized in that the sand tank and the annular sand chamber are in concentric circle positions, the two kinds of component fusant are respectively filtered, serial needle holes are arranged on a third distribution plate in the lower casing body, needle tubes are installed in the needle holes, and the lower end of each of the needle tubes is inserted into a composite orifice matched with the composite plate. The filter areas of the two kinds of fusant can be greatly enlarged under the same conditions by adopting the technical scheme, especially the effective filtration area of fusant which flows through the outer ring annular sand chamber can be increased by more than 80%, and thereby, the initial pressure of large-capacity fusant in bicomponents is effectively lowered. The continuous operation time of the component is extended by 2 to 3 times, the two kinds of fusant orderly enter the composite orifices through the matching design of the needle holes and the needle tubes, composite fusant which coats another kind of fusant is formed, and the present invention is favorable to produce sea-island composite fibers.
Description
Technical field
The present invention relates to fusion method and make the filament spinning component that composite fibre is used, particularly the high polymer molten of two kinds of different components is processed into the filament spinning component of composite fibre, belong to spinning process equipment.
Background technology
Two component composite spinning technologies are that two kinds of different high polymer moltens are carried out melt spinning by twin-screw composite spinning machine and special filament spinning component, make two kinds of components under molten condition, distribute regularly, make up, through spinnerets spray silk, make composite fibre again.This technology has the application of two broad aspect: one, the bi-component composite fiber that production obtains is of a great variety, changeful, differ from one another, the advantage of the one-component fiber made separately with these two kinds of components can be integrated, expanded the performance and the application of fiber greatly; Its two, can utilize composite spinning technology to prepare islands-in-sea bicomponent fibre, and then be used to produce superfine fibre to satisfy of the requirement of back road expensive goods to processing raw material.
Composite spining module is the key equipment of two component composite spinning technologies.Introduced more typical composite spining module in the data such as U.S. Pat 5352106, Chinese patent ZL02210834.3, its basic structure is: assembly is to be fixed and surround through connector by upper and lower casing on the whole, above the side of upper shell, be provided with the melt inlet of two kinds of components, two kinds of melts are communicated with the sand pond that upper shell inside be arranged in parallel respectively through passage separately, filter sand was housed in the sand pond melt was played the filter effect, melt after the filtration enters sand pond below next-door neighbour's bearing plate, flows into lower house through the through hole that is provided with on the bearing plate; Set gradually three layers of distribution plate in the lower house from top to bottom, one deck composite plate and one deck spinnerets, the aperture of last distribution plate melt canal dwindles from the top down gradually, the channel connection of corresponding setting on outlet and the intermediate section matching board, the concentric-ring pattern circular passage is set above the intermediate section matching board mostly, on every circle circular passage through hole is set equably and with lower distribution plate on channel connection, after further distributing two kinds of melts, lower distribution plate flows into composite plate through separately through hole, compound back forms the compounding flux that a kind of melt wraps up another kind of melt, and this compounding flux forms composite fibre through the spinnerets ejection back of composite plate below.
Fairly simple on the above-mentioned composite spining module structure, but there is a bigger defective, that is: the filter type of two kinds of melts in assembly upper shell inside is round side by side mode, because be subjected to the restriction of assembly housing inner chamber cross-sectional area, this setup makes that two kinds of melts filter area separately is all less than normal, filter load and strengthen, the screen pack rate of rise is fast, the assembly life cycle is short, causes the spinning process instability when serious, has influence on the quality of melt unit consumption and fiber product.According to the knowledge of the applicant, the filament spinning component of domestic and international existing production composite fibre all adopts round distribution filter type arranged side by side, thereby the problems referred to above common existence in this area.
Summary of the invention
Purpose of the present invention is exactly in order to solve the above-mentioned problems in the prior art, provide a kind of and can make full use of assembly inside cavity effective area, improve fluidity of molten, prolong two component composite spining modules of single life cycle, use this composite spining module can reduce the screen pack rate of rise, improve the quality of products, reduce the melt waste discharge, reduce production loss.
Purpose of the present invention is achieved through the following technical solutions:
A kind of pair of component composite spining module, be applicable to two kinds of different components composite spinning under molten condition, assembly integral body is to be surrounded by upper and lower casing, and lower house inside is equipped with three distribution plates, a composite plate and a spinnerets successively along the melt flows direction.Wherein, mutual disconnected melt canal, two places is set above the side of upper shell, wherein a melt canal enters the upper shell center, is communicated with the sand pond by horn-like connecting pipe, and described sand pond is cylindrical shape, and filter sand was filled in inside; An other melt canal is divided into several tube connectors after distributing through ring-type, and every tube connector all is communicated with the ring-shaped sand chamber, and described ring-shaped sand chamber is surrounded by the inside and outside two-layer face of cylinder, and inside, ring-shaped sand chamber also was filled with filter sand; The below in described sand pond and ring-shaped sand chamber links to each other with bearing plate, and the below of bearing plate links to each other with first distribution plate that is arranged on lower house inside; Described bearing plate is provided with and the corresponding melt through hole in sand pond and filtering outlet position, ring-shaped sand chamber, and this through hole is connected with the range of distribution inlet of first distribution plate of lower house inside.
Purpose of the present invention can also further realize by following optimal technical scheme:
Aforesaid pair of component composite spining module, the sand pond that melt is used in the middle of wherein filtering is in the concentric circles position with the ring-shaped sand chamber that filtration outer ring melt is used, their height is identical, the radius of the inner cylinder face in ring-shaped sand chamber with the ratio of the radius in sand pond is: 1.2～1.8: 1, and the semidiameter on the inside and outside face of cylinder with the ratio of the radius in sand pond is: 0.2～0.5: 1.
Aforesaid pair of component composite spining module, import and the outlet of wherein crossing filter bed and ring-shaped sand chamber are equipped with screen pack, in order to the mobile performance of improving the melt filtration front and back and play the coarse filtration effect.
Aforesaid pair of component composite spining module, wherein to enter the quantity of the tube connector before the ring-shaped sand chamber be 3～8 to the outer ring melt, its caliber is identical, the center evenly distributes along same circumference, enters the ring-shaped sand chamber equably to guarantee the outer ring melt.
Aforesaid pair of component composite spining module, wherein the 3rd of lower house inside the distribution plate is provided with serial pin hole, pin hole inside is provided with dismountable needle tubing, insert in the composite holes that manufactures on the composite plate lower end of needle tubing, composite holes and needle tubing are matched in clearance, wherein a kind of melt enters composite holes from needle tubing inside when making assembly work, and another melt enters composite holes from the slit between needle tubing and the composite holes hole wall.
Aforesaid pair of component composite spining module, wherein the serial pin hole that is provided with on the 3rd distribution plate is divided into 36～72 groups, and the quantity of every group of inner needle tubing of installing is advisable with 24～64.
Provided by the invention pair of component composite spining module in use, a kind of melt flows into outer field ring-like sand chamber, another melt flows into intermediate cylindrical molding sand pond, both are the concentric circles mode and arrange, can make full use of the effective area of assembly inside cavity, improve the filter area of two kinds of melts greatly.Contrast under the same appearance and size, it is about 50% to adopt technical solution of the present invention that the initial pressure of big flow melt is descended, and the assembly continuous operation time can prolong 2～3 times.Labour intensity and expense that this has not only reduced assembly demolition, installation, cleaning can also significantly reduce releasing the waste discharge time in the device startup procedure, have saved consumption of raw materials, and lay a good foundation for improving device unit production capacity.
On the other hand, the present invention is by being provided with serial pin hole on the 3rd distribution plate of lower house inside, the dismountable needle tubing of the inner use of pin hole, in the composite holes on the lower end insertion composite plate of needle tubing, such structure makes two kinds of melts enter composite holes more in an orderly manner, form the compounding flux that a kind of melt wraps up another kind of melt, this is highly profitable for producing islands-in-sea bicomponent fibre, can effectively improve the product quality of islands-in-sea bicomponent fibre, can produce textiles than higher gears, economic benefit highly significant with it as processing raw material.
Description of drawings
Fig. 1 is that the present invention is along the vertical cross-sectional schematic of symmetry axis;
Fig. 2 is along A-A direction cross-sectional schematic among Fig. 1;
Fig. 3 is along B-B direction cross-sectional schematic among Fig. 1.
The implication of Reference numeral sees the following form in Fig. 1～3:
| Reference numeral | Implication | Reference numeral | Implication | Reference numeral | Implication |
| 1 | |
2 | |
3 | Bolt |
| 4 | The outer ring melt inlet | 5 | |
6 | Outer ring melt tube connector |
| 7 | Middle melt tube connector | 8 | The ring- |
8a | The ring-shaped sand cavity |
| 8b | The ring-shaped |
9 | The |
10 | Bearing plate |
| 11 | (on) distribution plate | 12 | (in) distribution plate | 13 | (descending) |
| 14 | |
15 | |
16 | |
| 17 | |
18 | |
19 | |
| 20 | |
21 | |
22～25 | Screen pack |
The specific embodiment
Is example below in conjunction with Figure of description to produce the fabric of island-in-sea type polyester complex fiber, and the present invention is described in further detail.
As Fig. 1～Fig. 3, assembly is to surround after also being fixed with bolt 3 by upper shell 1 and lower house 2 on the whole.The side of upper shell 1 top is provided with two place's melt inlets 4 and 5, and PET (polyethylene terephthalate) melt 4 enters upper shell 1 inside from entering the mouth, and enters ring-shaped sand chamber 8 by 3～8 tube connectors 6 after ring-type is distributed; COPET (water-soluble polyester) melt enters sand pond 9 from 5 centre positions that enter upper shell 1 that enter the mouth by horn-like tube connector 7.The relative position of the outer wall 8a in ring-shaped sand chamber 8 and inwall 8b and sand pond 9 outer walls is concentric circles, and inwall 8b is 1.55: 1 with the ratio of the radius in sand pond 9, and the semidiameter of outer wall 8a and inwall 8b with the ratio of the radius in sand pond 9 is: 0.39: 1.Ring-shaped sand chamber 8 equates that with the height in sand pond 9 the inside was filled with filter sand 20 and 21 respectively, and its import and export are respectively equipped with screen pack 22,23,24 and 25.Two kinds of melts of PET and COPET enter in the melt through hole of relevant position on the bearing plate 10 after filter in ring-shaped sand chamber 8 and sand pond 9 respectively, and then enter in the circular passage of first distribution plate 11 that is arranged on lower house 2 the tops, this below, circular passage is distributed with serial through hole equably, and two kinds of melts enter second distribution plate 12 through these through holes.Have a series of concentric circles annular grooves above second distribution plate 12, the cannelure that the different melt component uses is corresponding with the through hole on first distribution plate 11, thereby plays the purpose of uniform distribution melt.The below of cannelure is provided with the melt through hole again, and melt enters the 3rd distribution plate 13 through the through hole on this layer distribution plate.The downside of the 3rd distribution plate 13 is provided with 36 groups of series pin holes, and every group has 37 needle tubings, and two kinds of melts are further distributed through after this distribution plate, enter the composite plate 14 of below.Wherein the needle tubing for the PET melt flows is detachable, the needle tubing lower end is inserted in the composite holes 16 of composite plate 14, the PET melt flows into composite holes 16 under the guiding of needle tubing, the COPET melt then flows into composite plate 14 around needle tubing, and from the slit of needle tubing outer wall and composite holes 16 hole walls, enter composite holes 16, thereby form the compounding flux of COPET melt parcel PET melt.This compounding flux flows in the spinneret orifice 17 of the spinnerets 15 that is arranged on composite plate 14 belows, forms two compound as-spun fibres of component behind the spray silk, promptly can be made into islands-in-sea bicomponent fibre through further processing again.This island composite fibre can be made the superfine fibre of filament number less than 0.05dpf after handling through buck.
Above-mentioned distribution plate 11,12,13 positions with alignment pin 18 when composite plate 14 and spinnerets 15 are installed, and tightens together with bolt 19 again, is installed in the inside of lower house 2.
As calculated, under the same appearance and size, adopt the arranged side by side round filter type in the prior art, the filter area of two kinds of melts is 9.62cm
2, and adopting technical solution of the present invention, the filter area of outer ring PET melt rises to 18.09cm
2, the filter area of middle COPET melt is 13.20cm
2, the filter area of two kinds of melts has increased by 88% and 37% respectively.
Spin in the comparison process in reality examination, adopt the arranged side by side round formula assembly of prior art, because its filter area is little, the initial pressure of the PET melt that flow is bigger promptly reaches more than the 15MPa, moves that pressure rises to 20MPa after several days, and the life cycle of assembly only is 7 days; And the employing technical solution of the present invention, the initial pressure of PET melt is about 8MPa, and the pressure climbing speed is slower between the normal operating period, can adapt to the sea island filament manufacturing technique requirent fully, and the assembly life cycle reaches 15～20 days.As seen, the technology of the present invention effect is very obvious.
Claims (5)
1. two component composite spining module, be applicable to two kinds of different components composite spinning under molten condition, assembly integral body is by last, lower house (1,2) surround, lower house (2) is inner to be equipped with three distribution plates (11 successively along the melt flows direction, 12,13), a composite plate (14) and a spinnerets (15), it is characterized in that: the side top at upper shell (1) is provided with mutual disconnected melt canal (4, two places, 5), wherein a melt canal enters upper shell (1) center, is communicated with sand pond (9) by horn-like connecting pipe (7), described sand pond (9) is cylindrical shape, and filter sand (21) was filled in inside; An other melt canal is divided into several tube connectors (6) after distributing through ring-type, every tube connector (6) all is communicated with ring-shaped sand chamber (8), (8a 8b) surrounds, and inside, ring-shaped sand chamber (8) also was filled with filter sand (20) by the inside and outside two-layer face of cylinder in described ring-shaped sand chamber (8); The below of described sand pond (9) and ring-shaped sand chamber (8) links to each other with bearing plate (10), and the below of bearing plate (10) links to each other with first distribution plate (11) that is arranged on lower house inside; Described bearing plate (10) is provided with and the corresponding melt through hole in sand pond (9) and filtering outlet position, ring-shaped sand chamber (8), and this through hole is connected with the range of distribution inlet of first distribution plate (11) of lower house inside; And, inner the 3rd distribution plate (13) of described lower house (2) is provided with serial pin hole, pin hole inside is provided with dismountable needle tubing, insert in the composite holes (16) that manufactures on the composite plate (14) lower end of needle tubing, composite holes (16) is a matched in clearance with needle tubing, a kind of melt enters composite holes (16) from needle tubing inside, another melt enters composite holes (16) from the slit between needle tubing and composite holes (16) hole wall.
2. as claimed in claim 1 pair of component composite spining module is characterized in that: described the 3rd distribution plate (13) gone up the serial pin hole that is provided with and is divided into 36～72 groups, 24～64 needle tubings of every group of inner installation of pin hole.
3. as claimed in claim 1 pair of component composite spining module, it is characterized in that: the sand pond (9) that melt is used in the middle of described the filtration is in the concentric circles position with the ring-shaped sand chamber (8) that filtration outer ring melt is used, their height is identical, the ratio of the radius of the inner cylinder face (8a) in ring-shaped sand chamber (8) and the radius of Sha Chi (9) is: 1.2～1.8: 1, (8a, the ratio of the radius of semidiameter 8b) and Sha Chi (9) is the inside and outside circle cylinder: 0.2～0.5: 1.
4. as claimed in claim 1 pair of component composite spining module is characterized in that: described import and outlet of crossing filter bed (9) and ring-shaped sand chamber (8) is equipped with screen pack (22,23,24,25).
5. as claimed in claim 1 pair of component composite spining module is characterized in that: the quantity that described outer ring melt enters ring-shaped sand chamber (8) tube connector (7) before is 3～8, and its caliber is identical, the center evenly distributes along same circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100144061A CN100338271C (en) | 2004-03-23 | 2004-03-23 | Composite spinning component entities including double constituents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100144061A CN100338271C (en) | 2004-03-23 | 2004-03-23 | Composite spinning component entities including double constituents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563523A CN1563523A (en) | 2005-01-12 |
| CN100338271C true CN100338271C (en) | 2007-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100144061A Expired - Lifetime CN100338271C (en) | 2004-03-23 | 2004-03-23 | Composite spinning component entities including double constituents |
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| CN (1) | CN100338271C (en) |
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| CN100393925C (en) * | 2006-03-15 | 2008-06-11 | 中国石化仪征化纤股份有限公司 | Composite spining module |
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| CN108517575A (en) * | 2018-06-12 | 2018-09-11 | 江苏中杰澳新材料有限公司 | A kind of conductive fiber composite spining module |
| CN108707986B (en) * | 2018-08-27 | 2023-06-20 | 苏州金泉新材料股份有限公司 | Spinning assembly for double-component semi-embedded composite fiber |
| CN108707987B (en) * | 2018-08-27 | 2023-06-27 | 苏州金泉新材料股份有限公司 | Spinning assembly for bicomponent fibers |
| CN109112651A (en) * | 2018-10-19 | 2019-01-01 | 江苏尚科聚合新材料有限公司 | A kind of island composite spining module and a kind of composite fibre |
| CN110079879A (en) * | 2019-04-29 | 2019-08-02 | 吴江精美峰实业有限公司 | A kind of sea-island fibre and the method and composite spining module for being used to prepare sea-island fibre |
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| CN1563523A (en) | 2005-01-12 |
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Effective date of registration: 20160206 Address after: 211900 Yizheng Changjiang Road, Jiangsu, China, No. 1, No. Patentee after: SINOPEC YIZHENG CHEMICAL FIBRE Co.,Ltd. Address before: Changjiang Road 211900 Jiangsu city of Yizheng province Xupu No. 1 Patentee before: SINOPEC Yizheng Chemical Fibre Co.,Ltd. |
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