CN214529347U - Spinneret plate for composite fiber spinning - Google Patents
Spinneret plate for composite fiber spinning Download PDFInfo
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- CN214529347U CN214529347U CN202120579121.1U CN202120579121U CN214529347U CN 214529347 U CN214529347 U CN 214529347U CN 202120579121 U CN202120579121 U CN 202120579121U CN 214529347 U CN214529347 U CN 214529347U
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Abstract
The utility model discloses a spinneret for composite fiber spinning, including the spinneret body, the spinneret body include feed plate and play flitch, play flitch on be equipped with a plurality of spinneret orifice, the spinneret orifice in be equipped with the connecting plate, the one end of connecting plate be connected with ring baffle, ring baffle in be equipped with cowl, the spinneret orifice be close to the one end of feed plate and be the feed inlet, the spinneret orifice in be equipped with first speed reduction chamber, the below in first speed reduction chamber be equipped with the cushion chamber, the below in cushion chamber be equipped with the second speed reduction chamber. The utility model has the advantages that: the spinneret orifice dislocation set makes each spinneret orifice go out the silk homoenergetic and obtain outstanding solidification effect, can be formed with the fibrous cross-sectional structure of support with the holistic service property of reinforcing fiber, prolongs fibrous life, is equipped with a plurality of speed reduction chambeies in the spinneret orifice, makes the fuse-element flow steady, guarantees that it is even to go out the silk, promotes fibrous production quality.
Description
Technical Field
The utility model relates to a spinning technical field specifically indicates a spinneret is used in composite fiber spinning.
Background
The spinneret plate is also called as a spinning cap. The spinneret plate is used for converting viscous-flow-state high polymer melt or solution into thin flow with a specific cross section through micropores, and solidifying the thin flow through a solidification medium such as air or a solidification bath to form filaments.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can produce the holistic support of fibre and the fibre cross sectional shape effectual, that improves fibre toughness and intensity, the shaping solidification is effectual, the spinneret is used in the spinning of the compound fiber that the volume of silk is big.
In order to solve the technical problem, the utility model provides a technical scheme does: the spinneret plate comprises a spinneret plate body, wherein the spinneret plate body comprises a feeding plate and a discharging plate, a plurality of spinneret holes are formed in the discharging plate, a connecting plate is arranged in each spinneret hole, one end of the connecting plate is connected with a circular ring-shaped baffle, an arc-shaped baffle is arranged in the circular ring-shaped baffle, one end, close to the feeding plate, of each spinneret hole is a feed inlet, a first speed reduction cavity is formed in each spinneret hole, a buffer cavity is arranged below each first speed reduction cavity, a second speed reduction cavity is arranged below each buffer cavity, a forming cavity is arranged below each second speed reduction cavity, and a filament outlet is formed in the bottom of each forming cavity.
As an improvement, the spinneret orifices on the discharge plate are uniformly distributed on a plurality of concentric circles outwards from the center of the discharge plate, and the centers of any three spinneret orifices are not on the same straight line, so that the spinneret orifices are staggered with each other, rapid and sufficient cooling solidification can be carried out, and the fiber quality is improved.
As an improvement, a Y-shaped cavity and a plurality of fan-shaped cavities are formed between the arc-shaped baffle and the circular ring-shaped baffle in a surrounding manner, so that the cross section of the produced fiber has the same shape, the fiber has a supporting function, the tensile resistance of the fiber is improved, and the integral toughness and strength of the fiber are improved.
As an improvement, the ratio of the upper opening and the lower opening of the first speed reducing cavity to the lower opening of the second speed reducing cavity is 1: 0.8-0.4: 0.5 ~ 0.1, the velocity of flow sharply increases when the spinneret orifice is extruded from great space to the fuse-element, sets up the speed reduction chamber and reduces the fuse-element velocity of flow, makes the fuse-element flow steady, makes the spinneret orifice go out the silk more stable, guarantees fibre production quality.
As an improvement, the length of the forming cavity is 0.2 mm-0.6 mm, so that the melt has enough distance to form a special structure, the stability of a fiber structure is ensured, and the fiber quality is improved.
As an improvement, the length of the connecting plate is half of that of the annular baffle plate, so that the phenomenon that the fiber quality is affected by a cavity formed on the surface of the fiber after the connecting plate is sprayed out and is solidified too fast is prevented, and the inside of the fiber can be completely wrapped.
Compared with the prior art, the utility model the advantage lie in: the spinneret orifice dislocation set makes each spinneret orifice go out the silk homoenergetic and obtain outstanding solidification effect, can be formed with the fibrous cross-sectional structure of support with the holistic service property of reinforcing fiber, prolongs fibrous life, is equipped with a plurality of speed reduction chambeies in the spinneret orifice, makes the fuse-element flow steady, guarantees that it is even to go out the silk, promotes fibrous production quality.
Drawings
Fig. 1 is a schematic structural view of a spinneret plate for composite fiber spinning according to the present invention.
Fig. 2 is a schematic structural view of the spinneret orifice of the spinneret plate for composite fiber spinning of the present invention.
Fig. 3 is a partial enlarged view a of a spinneret plate for composite fiber spinning according to the present invention.
As shown in the figure: 1. the feeding plate, 2, play flitch, 3, spinneret orifice, 3.1, feed inlet, 3.2, first speed reduction chamber, 3.3, cushion chamber, 3.4, second speed reduction chamber, 3.5, shaping chamber, 3.6, silk outlet, 4, cowl, 5, connecting plate, 6, ring shape baffle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
With reference to the accompanying drawings 1-3, a spinneret plate for spinning composite fibers comprises a spinneret plate body, wherein the spinneret plate body comprises a feeding plate 1 and a discharging plate 2, the discharging plate 2 is provided with a plurality of spinneret holes 3, a connecting plate 5 is arranged in each spinneret hole 3, one end of each connecting plate 5 is connected with a circular ring-shaped baffle 6, each circular ring-shaped baffle 6 is internally provided with an arc-shaped baffle 4, one end, close to the feeding plate 1, of each spinneret hole 3 is a feeding hole 3.1, each spinneret hole 3 is internally provided with a first speed reduction cavity 3.2, a buffer cavity 3.3 is arranged below each first speed reduction cavity 3.2, a second speed reduction cavity 3.4 is arranged below each buffer cavity 3.3, a forming cavity 3.5 is arranged below each second speed reduction cavity 3.4, and a spinneret outlet 3.6 is arranged at the bottom of each forming cavity 3.5.
The spinneret orifices 3 on the discharge plate 2 are uniformly distributed on a plurality of coaxial circles from the center of the discharge plate 2 outwards, and the centers of any three spinneret orifices 3 are not on the same straight line.
The arc-shaped baffle 4 and the circular ring-shaped baffle 6 are surrounded in the circular ring-shaped baffle 6 to form a Y-shaped cavity and a plurality of fan-shaped cavities.
The ratio of the upper opening and the lower opening of the first speed reducing cavity 3.2 to the lower opening of the second speed reducing cavity 3.4 is 1: 0.8: 0.5.
the length of the forming cavity 3.5 is 0.2 mm.
The length of the connecting plate 5 is half of that of the circular baffle 6.
Example two
With reference to the accompanying drawings 1-3, a spinneret plate for spinning composite fibers comprises a spinneret plate body, wherein the spinneret plate body comprises a feeding plate 1 and a discharging plate 2, the discharging plate 2 is provided with a plurality of spinneret holes 3, a connecting plate 5 is arranged in each spinneret hole 3, one end of each connecting plate 5 is connected with a circular ring-shaped baffle 6, each circular ring-shaped baffle 6 is internally provided with an arc-shaped baffle 4, one end, close to the feeding plate 1, of each spinneret hole 3 is a feeding hole 3.1, each spinneret hole 3 is internally provided with a first speed reduction cavity 3.2, a buffer cavity 3.3 is arranged below each first speed reduction cavity 3.2, a second speed reduction cavity 3.4 is arranged below each buffer cavity 3.3, a forming cavity 3.5 is arranged below each second speed reduction cavity 3.4, and a spinneret outlet 3.6 is arranged at the bottom of each forming cavity 3.5.
The spinneret orifices 3 on the discharge plate 2 are uniformly distributed on a plurality of coaxial circles from the center of the discharge plate 2 outwards, and the centers of any three spinneret orifices 3 are not on the same straight line.
The arc-shaped baffle 4 and the circular ring-shaped baffle 6 are surrounded in the circular ring-shaped baffle 6 to form a Y-shaped cavity and a plurality of fan-shaped cavities.
The ratio of the upper opening and the lower opening of the first speed reducing cavity 3.2 to the lower opening of the second speed reducing cavity 3.4 is 1: 0.7: 0.4.
the length of the molding cavity 3.5 is 0.3 mm.
The length of the connecting plate 5 is half of that of the circular baffle 6.
EXAMPLE III
With reference to the accompanying drawings 1-3, a spinneret plate for spinning composite fibers comprises a spinneret plate body, wherein the spinneret plate body comprises a feeding plate 1 and a discharging plate 2, the discharging plate 2 is provided with a plurality of spinneret holes 3, a connecting plate 5 is arranged in each spinneret hole 3, one end of each connecting plate 5 is connected with a circular ring-shaped baffle 6, each circular ring-shaped baffle 6 is internally provided with an arc-shaped baffle 4, one end, close to the feeding plate 1, of each spinneret hole 3 is a feeding hole 3.1, each spinneret hole 3 is internally provided with a first speed reduction cavity 3.2, a buffer cavity 3.3 is arranged below each first speed reduction cavity 3.2, a second speed reduction cavity 3.4 is arranged below each buffer cavity 3.3, a forming cavity 3.5 is arranged below each second speed reduction cavity 3.4, and a spinneret outlet 3.6 is arranged at the bottom of each forming cavity 3.5.
The spinneret orifices 3 on the discharge plate 2 are uniformly distributed on a plurality of coaxial circles from the center of the discharge plate 2 outwards, and the centers of any three spinneret orifices 3 are not on the same straight line.
The arc-shaped baffle 4 and the circular ring-shaped baffle 6 are surrounded in the circular ring-shaped baffle 6 to form a Y-shaped cavity and a plurality of fan-shaped cavities.
The ratio of the upper opening and the lower opening of the first speed reducing cavity 3.2 to the lower opening of the second speed reducing cavity 3.4 is 1: 0.6: 0.3.
the length of the forming cavity 3.5 is 0.4 mm.
The length of the connecting plate 5 is half of that of the circular baffle 6.
Example four
With reference to the accompanying drawings 1-3, a spinneret plate for spinning composite fibers comprises a spinneret plate body, wherein the spinneret plate body comprises a feeding plate 1 and a discharging plate 2, the discharging plate 2 is provided with a plurality of spinneret holes 3, a connecting plate 5 is arranged in each spinneret hole 3, one end of each connecting plate 5 is connected with a circular ring-shaped baffle 6, each circular ring-shaped baffle 6 is internally provided with an arc-shaped baffle 4, one end, close to the feeding plate 1, of each spinneret hole 3 is a feeding hole 3.1, each spinneret hole 3 is internally provided with a first speed reduction cavity 3.2, a buffer cavity 3.3 is arranged below each first speed reduction cavity 3.2, a second speed reduction cavity 3.4 is arranged below each buffer cavity 3.3, a forming cavity 3.5 is arranged below each second speed reduction cavity 3.4, and a spinneret outlet 3.6 is arranged at the bottom of each forming cavity 3.5.
The spinneret orifices 3 on the discharge plate 2 are uniformly distributed on a plurality of coaxial circles from the center of the discharge plate 2 outwards, and the centers of any three spinneret orifices 3 are not on the same straight line.
The arc-shaped baffle 4 and the circular ring-shaped baffle 6 are surrounded in the circular ring-shaped baffle 6 to form a Y-shaped cavity and a plurality of fan-shaped cavities.
The ratio of the upper opening and the lower opening of the first speed reducing cavity 3.2 to the lower opening of the second speed reducing cavity 3.4 is 1: 0.5: 0.2.
the length of the molding cavity 3.5 is 0.5 mm.
The length of the connecting plate 5 is half of that of the circular baffle 6.
EXAMPLE five
With reference to the accompanying drawings 1-3, a spinneret plate for spinning composite fibers comprises a spinneret plate body, wherein the spinneret plate body comprises a feeding plate 1 and a discharging plate 2, the discharging plate 2 is provided with a plurality of spinneret holes 3, a connecting plate 5 is arranged in each spinneret hole 3, one end of each connecting plate 5 is connected with a circular ring-shaped baffle 6, each circular ring-shaped baffle 6 is internally provided with an arc-shaped baffle 4, one end, close to the feeding plate 1, of each spinneret hole 3 is a feeding hole 3.1, each spinneret hole 3 is internally provided with a first speed reduction cavity 3.2, a buffer cavity 3.3 is arranged below each first speed reduction cavity 3.2, a second speed reduction cavity 3.4 is arranged below each buffer cavity 3.3, a forming cavity 3.5 is arranged below each second speed reduction cavity 3.4, and a spinneret outlet 3.6 is arranged at the bottom of each forming cavity 3.5.
The spinneret orifices 3 on the discharge plate 2 are uniformly distributed on a plurality of coaxial circles from the center of the discharge plate 2 outwards, and the centers of any three spinneret orifices 3 are not on the same straight line.
The arc-shaped baffle 4 and the circular ring-shaped baffle 6 are surrounded in the circular ring-shaped baffle 6 to form a Y-shaped cavity and a plurality of fan-shaped cavities.
The ratio of the upper opening and the lower opening of the first speed reducing cavity 3.2 to the lower opening of the second speed reducing cavity 3.4 is 1: 0.4: 0.1.
the length of the forming cavity 3.5 is 0.6 mm.
The length of the connecting plate 5 is half of that of the circular baffle 6.
The implementation effect is as follows:
| case name | Speed of melt ejection | Effect of forming fibrous structure | Quality of fiber |
| Example one | Fast-acting toy | Difference (D) | Difference (D) |
| Example two | Is quicker | Is poor | Is poor |
| EXAMPLE III | Is normal | Superior food | Superior food |
| Example four | Is slower | Superior food | Superior food |
| EXAMPLE five | Slow | Superior food | Superior food |
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a spinneret is used in composite fiber spinning, includes the spinneret body, its characterized in that: the spinneret plate body include feed plate (1) and play flitch (2), play flitch (2) on be equipped with a plurality of spinneret orifice (3), spinneret orifice (3) in be equipped with connecting plate (5), the one end of connecting plate (5) be connected with ring baffle (6), ring baffle (6) in be equipped with arc baffle (4), spinneret orifice (3) be close to the one end of feed plate (1) and be feed inlet (3.1), spinneret orifice (3) in be equipped with first speed reduction chamber (3.2), the below of first speed reduction chamber (3.2) be equipped with cushion chamber (3.3), the below of cushion chamber (3.3) be equipped with second speed reduction chamber (3.4), the below of second speed reduction chamber (3.4) be equipped with shaping chamber (3.5), the bottom of shaping chamber (3.5) be outlet (3.6).
2. The spinneret plate according to claim 1, wherein: the spinneret orifices (3) on the discharge plate (2) are uniformly distributed on a plurality of concentric circles from the center of the discharge plate (2) to the outside, and the centers of any three spinneret orifices (3) are not on the same straight line.
3. The spinneret plate according to claim 1, wherein: the arc-shaped baffle (4) and the circular ring-shaped baffle (6) are surrounded in the circular ring-shaped baffle (6) to form a Y-shaped cavity and a plurality of fan-shaped cavities.
4. The spinneret plate according to claim 1, wherein: the ratio of the upper opening and the lower opening of the first speed reducing cavity (3.2) to the lower opening of the second speed reducing cavity (3.4) is 1: 0.8-0.4: 0.5 to 0.1.
5. The spinneret plate according to claim 1, wherein: the length of the molding cavity (3.5) is 0.2 mm-0.6 mm.
6. The spinneret plate according to claim 1, wherein: the length of the connecting plate (5) is half of that of the circular baffle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579121.1U CN214529347U (en) | 2021-03-22 | 2021-03-22 | Spinneret plate for composite fiber spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579121.1U CN214529347U (en) | 2021-03-22 | 2021-03-22 | Spinneret plate for composite fiber spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214529347U true CN214529347U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120579121.1U Active CN214529347U (en) | 2021-03-22 | 2021-03-22 | Spinneret plate for composite fiber spinning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214529347U (en) |
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2021
- 2021-03-22 CN CN202120579121.1U patent/CN214529347U/en active Active
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