CN214572440U - Vortex spinning nozzle structure convenient for replacing guide needle - Google Patents
Vortex spinning nozzle structure convenient for replacing guide needle Download PDFInfo
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- CN214572440U CN214572440U CN202023296316.XU CN202023296316U CN214572440U CN 214572440 U CN214572440 U CN 214572440U CN 202023296316 U CN202023296316 U CN 202023296316U CN 214572440 U CN214572440 U CN 214572440U
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- bell jar
- conical surface
- guide
- guide needle
- tube
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Abstract
The utility model discloses an eddy spinning nozzle structure convenient for replacing a guide needle, which comprises an outer shell, a front bell jar, a rear bell jar, an eddy tube, a conical surface body and a yarn-drawing tube; the front bell jar and the rear bell jar are respectively arranged at the front end and the rear end of the outer shell, the front part of the front bell jar is provided with a guide body, a spiral fiber input channel is arranged in the guide body, the middle part of the guide body is penetrated with a guide needle, the vortex tube is arranged at the rear part of the front bell jar, the front end of the conical surface body extends into the tail part of the vortex tube, the tail end of the conical surface body is arranged in the rear bell jar, the front end of the yarn leading tube is inserted into the conical surface body, and the tail end of the yarn leading tube is connected with the rear wall of the rear bell jar; the core fiber hole is arranged in the middle guide needle of the utility model, which can be more suitable for filament yarn spinning and improve the spinning quality; the guide needle can be locked by directly pressing the guide needle to slightly rotate through the structure of the clamping convex block and the umbrella handle-shaped groove, and when the guide needle with different lengths is replaced in the face of different spinning requirements, quick replacement can be realized.
Description
Technical Field
The utility model particularly relates to an eddy current spinning nozzle structure convenient to change guide needle.
Background
Vortex spinning is a process of coagulating and twisting fibers opened into a single state into a yarn by the action of air vortex. Because the vortex replaces the mechanical twisting and coagulation action without a rotary machine part, the structure is simple, the spinning speed is higher, and the spinning speed is generally 6 to 7 times higher than that of ring spinning. The vortex spinning is usually carried out by twisting yarns through a spinning tube, the spinning tube usually comprises a vortex tube, a fiber guider and a spindle, a vortex cavity is formed in the vortex tube, an air inlet is formed in the vortex tube, and the air inlet is connected with an air draft device and provides wind power for twisting in the vortex tube. At present, the conventional raw material of the air jet vortex spinning is viscose fiber, but the spinning quality still has the problems of insufficiency and unstable airflow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art, and provides an eddy spinning nozzle structure convenient for replacing a guide needle, which comprises an outer shell, a front bell jar, a rear bell jar, an eddy tube, a conical surface body and a yarn guide tube; the front bell jar and the rear bell jar are respectively arranged at the front end and the rear end of the outer shell, the front part of the front bell jar is provided with a guide body, a spiral fiber input channel is arranged in the guide body, the middle part of the guide body is penetrated with a guide needle, the vortex tube is arranged at the rear part of the front bell jar, the front end of the conical surface body extends into the tail part of the vortex tube, the tail end of the conical surface body is arranged in the rear bell jar, the front end of the yarn guide tube is inserted into the conical surface body, and the tail end of the yarn guide tube is connected with the rear wall of the rear bell jar;
the guiding needle is internally provided with a core fiber hole which is communicated up and down, the side wall of the guiding needle is provided with a clamping convex block, the inner wall of the guiding body is provided with an umbrella-handle-shaped groove matched with the clamping convex block, the bottom of the umbrella-handle-shaped groove is provided with a return spring, and the upper end of the return spring is connected with a top plate; one end of the clamping convex block facing the top plate is provided with an inclined wedge surface;
furthermore, a first sealing ring is arranged on the guiding body close to the inner wall of the front bell jar.
Furthermore, a second sealing ring is arranged on the vortex tube close to the inner wall of the front bell jar.
Furthermore, a third sealing ring is arranged on the inner wall of the conical surface body, which is close to the rear bell jar.
Furthermore, a fourth sealing ring is arranged on the inner wall of the yarn withdrawal tube close to the rear bell jar.
Furthermore, the front section of the conical surface body is a first conical surface, the middle section of the conical surface body is a second conical surface, and the conicity of the first conical surface is smaller than that of the second conical surface.
Furthermore, a fifth sealing ring is arranged at the contact position of the inner wall of the conical surface body and the top end of the yarn withdrawal pipe.
Furthermore, an upper air inlet is arranged on the side wall of the front bell jar.
Furthermore, a lower air inlet is arranged on the side wall of the rear bell jar.
Has the advantages that: in the utility model, (1) the guide needle is internally provided with the core fiber hole, which can be more suitable for filament yarn spinning and improve the spinning quality; (2) the guide needle can be locked by directly pressing the guide needle to slightly rotate through the structure of the clamping convex block and the umbrella handle-shaped groove, and when the guide needle with different lengths is replaced in the face of different spinning requirements, quick replacement can be realized. (3) The internal structure of the vortex tube is a three-section jet spinning nozzle, so that automatic spinning can be performed, and the interior of the vortex tube has a sufficient space, so that the airflow rotation is more stable and the backflow trend is small.
Drawings
FIG. 1 is a schematic view showing an internal structure of an eddy spinning nozzle structure for facilitating replacement of a guide needle;
FIG. 2 is a front view of the introducer needle;
FIG. 3 is a schematic cross-sectional view of section A-A of FIG. 2;
FIG. 4 is a schematic view of the deployment of the inner wall of the guide body;
in the figure: 1. the fiber drawing device comprises an outer shell, 2, a front bell jar, 3, a rear bell jar, 4, a vortex tube, 5, a conical surface body, 6, a yarn drawing tube, 7, a guide body, 8, a fiber input channel, 9, a guide needle, 21, an upper air inlet, 31, a lower air inlet, 53, a first conical surface, 54, a second conical surface, 91, a core fiber hole, 92, a clamping convex block, 93, an umbrella-handle-shaped groove, 94, a reset spring, 95, a top plate, 96 and a wedge surface.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1-4, an eddy current spinning nozzle structure convenient for replacing a guide needle comprises an outer shell 1, a front bell jar 2, a rear bell jar 3, an eddy current tube 4, a conical body 5 and a yarn withdrawal tube 6; the front bell jar 2 and the rear bell jar 3 are respectively arranged at the front end and the rear end of the outer shell 1, the front part of the front bell jar 2 is provided with a guide body 7, a spiral fiber input channel 8 is arranged in the guide body 7, a guide needle 9 is arranged in the middle of the guide body 7 in a penetrating way, the vortex tube 4 is arranged at the rear part of the front bell jar 2, the front end of the conical surface body 5 extends into the tail part of the vortex tube 4, the tail end of the conical surface body 5 is arranged in the rear bell jar 3, the front end of the yarn-leading tube 6 is inserted into the conical surface body 5, and the tail end of the yarn-leading tube 6 is connected with the rear wall of the rear bell jar 3;
a vertically through core fiber hole 91 is arranged in the guide needle 9, a clamping convex block 92 is arranged on the side wall of the guide needle 9, an umbrella-handle-shaped groove 93 matched with the clamping convex block 92 is arranged on the inner wall of the guide body 7, a return spring 94 is arranged at the bottom of the umbrella-handle-shaped groove 93, and the upper end of the return spring 94 is connected with a top plate 95; one end of the clamping convex block facing the top plate is provided with an inclined wedge surface 96;
in this embodiment, a first sealing ring is disposed on the inner wall of the guide body near the front bell jar; a second sealing ring is arranged on the inner wall of the vortex tube close to the front bell jar; a third sealing ring is arranged on the inner wall of the conical surface body close to the rear bell jar; a fourth sealing ring is arranged on the inner wall of the yarn withdrawal pipe close to the rear bell jar; a fifth sealing ring is arranged at the contact position of the inner wall of the conical surface body and the top end of the yarn withdrawal pipe;
in this embodiment, the front section of the conical surface body 5 is a first conical surface 53, the middle section of the conical surface body 5 is a second conical surface 54, and the conicity of the first conical surface is smaller than that of the second conical surface;
in this embodiment, an upper air inlet 21 is disposed on the sidewall of the front bell jar 2; a lower air inlet 31 is provided on the side wall of the rear bell jar 3.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An eddy spinning nozzle structure convenient for replacing a guide needle is characterized by comprising an outer shell, a front bell jar, a rear bell jar, a vortex tube, a conical surface body and a yarn guide tube; the front bell jar and the rear bell jar are respectively arranged at the front end and the rear end of the outer shell, the front part of the front bell jar is provided with a guide body, a spiral fiber input channel is arranged in the guide body, the middle part of the guide body is penetrated with a guide needle, the vortex tube is arranged at the rear part of the front bell jar, the front end of the conical surface body extends into the tail part of the vortex tube, the tail end of the conical surface body is arranged in the rear bell jar, the front end of the yarn guide tube is inserted into the conical surface body, and the tail end of the yarn guide tube is connected with the rear wall of the rear bell jar;
the guiding needle is internally provided with a core fiber hole which is communicated up and down, the side wall of the guiding needle is provided with a clamping convex block, the inner wall of the guiding body is provided with an umbrella-handle-shaped groove matched with the clamping convex block, the bottom of the umbrella-handle-shaped groove is provided with a return spring, and the upper end of the return spring is connected with a top plate; one end of the clamping convex block facing the top plate is provided with an inclined wedge surface.
2. An vortex spinning nozzle arrangement to facilitate the exchange of the guide needle according to claim 1, characterised in that the guide body is provided with a first sealing ring near the inner wall of the front bell.
3. An vortex spinning nozzle structure facilitating the replacement of the guide needle as claimed in claim 1, wherein the vortex tube is provided with a second sealing ring near the inner wall of the front bell jar.
4. An vortex spinning nozzle structure facilitating the replacement of the guide needle as claimed in claim 1, wherein the cone body is provided with a third sealing ring near the inner wall of the rear bell jar.
5. An vortex spinning nozzle structure facilitating the replacement of the guide needle as claimed in claim 1, wherein the yarn withdrawal tube is provided with a fourth sealing ring near the inner wall of the rear bell jar.
6. An vortex spinning nozzle structure convenient for replacing a guide needle as claimed in claim 1, wherein the front section of the conical body is a first conical surface, the middle section of the conical body is a second conical surface, and the conicity of the first conical surface is smaller than that of the second conical surface.
7. An vortex spinning nozzle structure convenient for replacing the guide needle as claimed in claim 1, wherein the contact part of the inner wall of the conical surface body and the top end of the yarn withdrawal tube is provided with a fifth sealing ring.
8. An vortex spinning nozzle structure facilitating the replacement of the guide needle according to claim 1, wherein the side wall of the front bell jar is provided with an upper air inlet.
9. An vortex spinning nozzle structure facilitating the replacement of the guide needle as claimed in claim 1, wherein the sidewall of the rear bell jar is provided with a lower air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023296316.XU CN214572440U (en) | 2020-12-31 | 2020-12-31 | Vortex spinning nozzle structure convenient for replacing guide needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023296316.XU CN214572440U (en) | 2020-12-31 | 2020-12-31 | Vortex spinning nozzle structure convenient for replacing guide needle |
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| Publication Number | Publication Date |
|---|---|
| CN214572440U true CN214572440U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023296316.XU Active CN214572440U (en) | 2020-12-31 | 2020-12-31 | Vortex spinning nozzle structure convenient for replacing guide needle |
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| Country | Link |
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| CN (1) | CN214572440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656407A (en) * | 2019-10-29 | 2020-01-07 | 江南大学 | Vortex spinning nozzle device |
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2020
- 2020-12-31 CN CN202023296316.XU patent/CN214572440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656407A (en) * | 2019-10-29 | 2020-01-07 | 江南大学 | Vortex spinning nozzle device |
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