CN220450375U - Spinning device for eccentric outer conductive fiber - Google Patents
Spinning device for eccentric outer conductive fiber Download PDFInfo
- Publication number
- CN220450375U CN220450375U CN202321830910.3U CN202321830910U CN220450375U CN 220450375 U CN220450375 U CN 220450375U CN 202321830910 U CN202321830910 U CN 202321830910U CN 220450375 U CN220450375 U CN 220450375U
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- melt
- boss
- distribution plate
- conductive fiber
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- 239000000835 fiber Substances 0.000 title claims abstract description 46
- 238000009987 spinning Methods 0.000 title claims abstract description 25
- 238000009826 distribution Methods 0.000 claims abstract description 50
- 239000004576 sand Substances 0.000 claims abstract description 12
- 239000000155 melt Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 13
- 238000009941 weaving Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model discloses a spinning device of eccentric outer conductive fibers, which comprises a component shell, wherein a feeding plate, a sealing gasket, a sand pool, a filter screen, a melt distribution plate and a spinneret plate are sequentially arranged in the component shell along the flow direction of melt, the melt distribution plate comprises an upper distribution plate, a middle distribution plate and a lower distribution plate, two melt channels are arranged on the feeding plate, the distribution plate is provided with melt arc-shaped channels, and the upper part and the lower part are communicated through melt small holes to form a complete melt distribution and flow channel. The back surface of the lower distributing plate is provided with a boss corresponding to the spinneret orifice, the boss is provided with a small hole, the lower plane of the boss is inclined at a certain angle alpha relative to the upper plane of the guide hole, the inclined direction is the opening centripetal direction, and the small Kong Pianxin on the boss is in the centrifugal direction. The utility model adopts the eccentric core and boss inclined plane mode to realize the production of eccentric core conductive fiber, thereby achieving the purpose of high-strength conductive fiber, and the strength of the obtained conductive fiber is higher than that of the traditional conductive fiber product by more than 25 percent.
Description
Technical Field
The utility model relates to the technical field of special synthetic fiber production, in particular to a spinning device for eccentric outer conductive fibers.
Background
The spinning of the functional composite fiber is generally produced by adopting a melt composite spinning process of master batch containing high-concentration functional agent and fiber-forming polymer. The addition of high concentrations of functional agents results in a considerable change in the rheology of the melt, mainly with disadvantageous changes, such as reduced spinnability in production, a marked decrease in the fibre index of the composite fibre, in particular a very marked decrease in the strength of the fibre. The former increases the production cost of the functional fiber, and the latter causes great inconvenience in the subsequent weaving and use of the functional fiber.
For the production of conductive fibers produced by the melt compounding method, since the conductivity and the addition amount of the conductive substance have a percolation threshold, that is, the conductivity of the conductive fibers is not only related to the total amount of the conductive agent in the fibers but also to whether the conductive agent is concentrated, for example, the conductive carbon black is also 8% of a mixed spun fiber and a composite spun fiber (in which 8% of the conductive carbon black is concentrated in a continuous 20% conductive portion), the resistivity of the former is more than 107 Ω·cm, and the resistivity of the latter may be less than 100 Ω·cm, which differ by 10 ten thousand times or more. Meanwhile, the fiber index of the local high-concentration melt composite spinning is greatly reduced, and particularly the fiber strength is greatly reduced, and the reduction can reach more than 50%. The strength of the conductive fiber produced by adopting the existing spinning device can only reach 2.5cN/dtex, and the conductive fiber is compounded with the conventional fiber in advance in the subsequent weaving production process to increase the weaving performance, so that independent weaving cannot be realized.
Disclosure of Invention
The utility model aims to solve the technical problems and provide a spinning device for the eccentric outer conductive fiber, which can well overcome the problems of fiber indexes, particularly low strength, of the conductive fiber produced by the existing spinning device, and can be used in the spinning process of preparing functional composite fiber by processing melt containing high-concentration functional additives by adopting a composite spinning process.
In order to achieve the technical purpose and meet the technical requirements, the utility model adopts the technical scheme that: the utility model provides a core-shifting outer conductive fiber's spinning equipment, includes the subassembly casing, set gradually charge-in board, sealed pad, sand pool, filter screen, melt distribution board, spinneret along melt flow direction in the subassembly casing, melt distribution board includes upper distribution board, well distribution board, lower distribution board, be provided with guide hole, spinneret orifice on the spinneret, its characterized in that: the feeding plate is provided with a first melt channel and a second melt channel, the front surface of the middle distribution plate is provided with a middle distribution plate melt arc channel, the front surface of the lower distribution plate is provided with a lower distribution plate melt arc channel, the middle distribution plate melt arc channel is communicated with the lower distribution plate melt arc channel through melt pinholes, the back surface of the lower distribution plate is provided with a boss, the boss is provided with a small hole, the small hole is a conductive melt channel, the lower plane of the boss is inclined at a certain angle alpha relative to the upper plane of the guide hole, and a core offset h is arranged between the center of the small hole and the center of the guide hole.
Preferably: the inclination direction of the lower plane of the boss is the opening centripetal direction.
Preferably: the inclination angle alpha of the lower plane of the boss is set to be 0-30 degrees.
Preferably: the center of the small hole is eccentric in the centrifugal direction.
Preferably: the eccentric distance h is set to be 0-the radius difference between the guide hole and the small hole of the boss.
Preferably: the boss is arranged in a circular shape.
Preferably: the filter screen is arranged at the bottom of the sand pool, and the filter screen is uniformly paved with filter sand.
Compared with the traditional structure, the utility model has the beneficial effects that: the structure design is reasonable, the structure of the eccentric core and the boss inclined plane is adopted, as the boss plane and the guide hole plane are angled, the non-conductive melt flows from the center to the outer direction, the conductive melt from the boss small hole is pushed to the outer side of the spinning guide hole by the non-conductive melt, the eccentric core composite structure is formed, the composite cross section shape is smooth and round, the conductive effect is ensured, the influence on the fiber index of the fiber is small, the strength of the obtained conductive fiber is higher than that of the conventional conductive fiber product by more than 25%, and the purpose of high-strength conductive fiber is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the boss and spinneret pilot hole structure of the present utility model;
in the figure: 1. the assembly comprises an assembly shell, 2, a feeding plate, 21, a first melt channel, 22, a second melt channel, 3, a sealing gasket, 4, a sand pool, 5, a filter screen, 6, a distribution plate, 61, an upper distribution plate, 62, a middle distribution plate, 63, a lower distribution plate, 7, a spinneret plate, 8, a boss, 9, a guide hole, 10, a spinneret hole, 11 and a small hole.
Detailed Description
The present utility model will be further described below.
Referring to the drawings, a spinning device of eccentric outer conductive fiber comprises a component shell 1, wherein a feeding plate 2, a sealing gasket 3, a sand pool 4, a filter screen 5, a melt distribution plate 6 and a spinneret plate 7 are sequentially arranged in the component shell 1 along the flow direction of melt, the melt distribution plate 6 comprises an upper distribution plate 61, a middle distribution plate 62 and a lower distribution plate 63, and a guide hole 9 and a spinneret orifice 10 are arranged on the spinneret plate 7, and the spinning device is characterized in that: the feeding plate 2 is provided with a first melt channel 21 and a second melt channel 22, the front surface of the middle distribution plate 62 is provided with a middle distribution plate melt arc channel, the front surface of the lower distribution plate 63 is provided with a lower distribution plate melt arc channel, and the middle distribution plate melt arc channel and the lower distribution plate melt arc channel are communicated through melt small holes to form a complete melt distribution and flow channel, so that the melt is ensured to be uniformly distributed relative to all spinneret holes distributed on the circumferential surface. The back surface of the lower distribution plate 63 is provided with a circular boss 8 corresponding to the spinneret orifices, the circular boss 8 is provided with a small hole 11, the small hole 11 is a conductive melt channel, the lower plane of the circular boss 8 is inclined to the upper plane of the guide hole 9 by a certain angle alpha, the inclined direction is an opening centripetal direction, and a core deflection distance h is arranged between the center of the small hole 11 and the center of the guide hole 9 and is eccentric in the centrifugal direction.
The inclination angle alpha of the lower plane of the boss 8 is set to be 0-30 degrees.
The eccentric distance h is set to be 0-the radius difference between the guide hole and the small hole of the boss.
The filter screen 5 is arranged at the bottom of the sand pool 4, and filtering sand is uniformly paved on the filter screen 5.
According to the conductive fiber spinning device, the left and right sides of the upper part of the component shell 1 are respectively provided with the guide hole A and the guide hole B, and two melts enter respective sand pools through the first melt channel 21 and the second melt channel 22 of the feeding plate for filtration and then enter a multi-stage distribution plate with an annular channel, so that the melts are uniformly distributed in the circumferential direction; finally, the uniformly distributed melt is circumferentially distributed into the composite chamber between the lower distribution plate 63 and the spinneret 7. Since the plane of the boss 8 is angled to the plane of the guide hole 9, the non-conductive melt flows in the outward direction from the center; the conductive melt coming out of the boss small hole 11 is pushed to the outer side of the spinning guide hole 9 by the non-conductive melt to form a eccentric composite structure. And (3) enabling the composite melt to enter a spinneret orifice to form an oilless filament, and obtaining the eccentric outer conductive fiber through cross-air cooling, oiling, drafting and winding.
Example 1
The diameter of the boss column is 3.5mm, the diameter of the small hole on the boss is 0.8mm, the diameter of the guide hole is 3mm, the inclination angle alpha=15° of the plane of the boss is 0.8mm, and the core offset h is 0.8mm. The conductive part of the composite cross section of the fiber is smooth and round, a small amount of the outer surface of the fiber is exposed, and the strength of the conductive part reaches 3.1cN/dtex.
The foregoing embodiments of the present utility model are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all equivalent technical solutions are also included in the scope of the present utility model, which is defined by the claims.
Claims (7)
1. The utility model provides a spinning equipment of eccentric outer conductive fiber, includes subassembly casing (1), set gradually feeding plate (2), sealed pad (3), sand basin (4), filter screen (5), melt distribution board (6), spinneret (7) along melt flow direction in subassembly casing (1), melt distribution board (6) are including last distribution board (61), well distribution board (62), lower distribution board (63), be provided with guide hole (9), spinneret orifice (10), its characterized in that on spinneret (7): the feeding plate (2) is provided with a first melt channel (21) and a second melt channel (22), the front surface of the middle distribution plate (62) is provided with a middle distribution plate melt arc channel, the front surface of the lower distribution plate (63) is provided with a lower distribution plate melt arc channel, the middle distribution plate melt arc channel is communicated with the lower distribution plate melt arc channel through a melt small hole, the back surface of the lower distribution plate (63) is provided with a boss (8), the boss (8) is provided with a small hole (11), the small hole (11) is a conductive melt channel, the lower plane of the boss (8) is inclined to the upper plane of the guide hole (9) by a certain angle alpha, and a core offset h is arranged between the center of the small hole (11) and the center of the guide hole (9).
2. The spinning device for the eccentric outer conductive fiber according to claim 1, wherein: the inclination direction of the lower plane of the boss (8) is the opening centripetal direction.
3. The spinning device for the eccentric outer conductive fiber according to claim 1, wherein: the inclination angle alpha of the lower plane of the boss (8) is set to be 0-30 degrees.
4. The spinning device for the eccentric outer conductive fiber according to claim 1, wherein: the center of the small hole (11) is eccentric in the centrifugal direction.
5. The spinning device for the eccentric outer conductive fiber according to claim 1, wherein: the eccentric distance h is set to be 0-the radius difference between the guide hole and the small hole of the boss.
6. The spinning device for the eccentric outer conductive fiber according to claim 1, wherein: the boss (8) is arranged in a round shape.
7. The spinning device for the eccentric outer conductive fiber according to claim 1, wherein: the filter screen (5) is arranged at the bottom of the sand pool (4), and filtering sand is uniformly paved on the filter screen (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321830910.3U CN220450375U (en) | 2023-07-13 | 2023-07-13 | Spinning device for eccentric outer conductive fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321830910.3U CN220450375U (en) | 2023-07-13 | 2023-07-13 | Spinning device for eccentric outer conductive fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220450375U true CN220450375U (en) | 2024-02-06 |
Family
ID=89734757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321830910.3U Active CN220450375U (en) | 2023-07-13 | 2023-07-13 | Spinning device for eccentric outer conductive fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220450375U (en) |
-
2023
- 2023-07-13 CN CN202321830910.3U patent/CN220450375U/en active Active
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