CN214572442U - Vortex nozzle with low fiber dropping rate - Google Patents
Vortex nozzle with low fiber dropping rate Download PDFInfo
- Publication number
- CN214572442U CN214572442U CN202023303871.0U CN202023303871U CN214572442U CN 214572442 U CN214572442 U CN 214572442U CN 202023303871 U CN202023303871 U CN 202023303871U CN 214572442 U CN214572442 U CN 214572442U
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- vortex
- bell jar
- conical surface
- tube
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Abstract
The utility model discloses a vortex nozzle with low fiber dropping rate, which comprises an outer shell, a front bell jar, a rear bell jar, a vortex 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 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 utility model discloses in, the interior chamfer that the internal hole top of conical surface set up is favorable to the fibre head end entering yarn tail of palpus strip to reduce the probability that the fibre that floats formed, reduced the fine rate of falling effectively, and then improved spinning efficiency.
Description
Technical Field
The utility model particularly relates to a vortex nozzle of fine rate of low falling.
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 is still insufficient, and the fiber falling rate is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art, and provides a vortex nozzle with low fiber dropping rate, which comprises 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 vortex tube is characterized in that a convex shoulder is arranged in the middle of the vortex tube, four spray holes are formed in the upper portion of the convex shoulder of the vortex tube, the jet flow direction of each spray hole is tangent to the inner wall of the vortex tube, an upper vortex hole, a middle vortex hole and a lower vortex hole are formed in the vortex tube, the diameter of the middle vortex hole is larger than that of the upper vortex hole, and the lower vortex hole is in a concave circular truncated cone shape;
the inner part of the conical surface body is provided with a conical surface body inner hole, and the top end of the conical surface body inner hole is provided with an inner chamfer.
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, the internal structure of the vortex tube is a three-section jet spinning nozzle, which not only can carry out automatic spinning, but also has more sufficient space inside the vortex tube, so that the airflow rotation is more stable and the backflow trend is small; the internal chamfer angle arranged at the top end of the internal hole of the conical surface is beneficial to the fiber head end of the fiber strand to enter the yarn tail, thereby reducing the probability of formation of floating fibers, effectively reducing the fiber falling rate and further improving the spinning efficiency.
Drawings
FIG. 1 is a schematic view of the internal structure of a low fiber drop rate vortex nozzle;
FIG. 2 is a front view (in phantom) of a vortex tube;
FIG. 3 is a schematic cross-sectional view of a vortex tube;
in the figure: 1. the fiber guiding 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 guiding tube, 7, a guiding body, 8, a fiber input channel, 9, a guiding needle, 21, an upper air inlet, 31, a lower air inlet, 41, a convex shoulder, 42, a spray hole, 43, an upper vortex hole, 44, a middle vortex hole, 45, a lower vortex hole, 51, a conical surface body inner hole, 52, an inner chamfer, 53, a first conical surface, 54 and a second conical 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. 1-3, a vortex nozzle with low fiber drop rate comprises an outer shell 1, a front bell jar 2, a rear bell jar 3, a vortex tube 4, a conical body 5 and a yarn-withdrawing 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 convex shoulder 41 is arranged in the middle of the vortex tube 4, four spray holes 42 are arranged at the upper part of the convex shoulder 41 of the vortex tube, the jet direction of the spray holes 42 is tangential to the inner wall of the vortex tube 4, an upper vortex hole 43, a middle vortex hole 44 and a lower vortex hole 45 are arranged in the vortex tube, the diameter of the middle vortex hole is larger than that of the upper vortex hole, and the lower vortex hole is in a concave circular table shape;
the conical surface body 5 is internally provided with a conical surface body inner hole 51, and the top end of the conical surface body inner hole is provided with an inner chamfer 52.
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. A vortex nozzle with low fiber drop rate 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 vortex tube is characterized in that a convex shoulder is arranged in the middle of the vortex tube, four spray holes are formed in the upper portion of the convex shoulder of the vortex tube, the jet flow direction of each spray hole is tangent to the inner wall of the vortex tube, an upper vortex hole, a middle vortex hole and a lower vortex hole are formed in the vortex tube, the diameter of the middle vortex hole is larger than that of the upper vortex hole, and the lower vortex hole is in a concave circular truncated cone shape; the inner part of the conical surface body is provided with a conical surface body inner hole, and the top end of the conical surface body inner hole is provided with an inner chamfer.
2. A low fiber drop rate vortex nozzle according to claim 1, wherein said guide body is provided with a first sealing ring adjacent to the inner wall of the front bell jar.
3. A low fiber drop rate vortex nozzle according to claim 1, wherein said vortex tube is provided with a second sealing ring adjacent to the inner wall of the front bell jar.
4. A low fiber drop rate vortex nozzle according to claim 1, wherein said conical body has a third sealing ring disposed adjacent the inner wall of the rear bell jar.
5. A low fiber drop rate vortex nozzle according to claim 1, wherein said yarn withdrawal tube is provided with a fourth sealing ring adjacent to the inner wall of the rear bell jar.
6. A low fiber drop rate vortex nozzle according to claim 1, wherein said conical body forward section is a first conical surface and said conical body midsection is a second conical surface, the taper of said first conical surface being less than said second conical surface.
7. The vortex nozzle with low fiber drop rate according to claim 1, wherein 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.
8. A low fiber drop rate vortex nozzle according to claim 1, wherein the sidewall of said front bell jar has an upper inlet opening.
9. A low fiber drop vortex nozzle according to claim 1 wherein a lower inlet is provided in the sidewall of the rear bell jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303871.0U CN214572442U (en) | 2020-12-31 | 2020-12-31 | Vortex nozzle with low fiber dropping rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303871.0U CN214572442U (en) | 2020-12-31 | 2020-12-31 | Vortex nozzle with low fiber dropping rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214572442U true CN214572442U (en) | 2021-11-02 |
Family
ID=78336115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023303871.0U Active CN214572442U (en) | 2020-12-31 | 2020-12-31 | Vortex nozzle with low fiber dropping rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214572442U (en) |
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2020
- 2020-12-31 CN CN202023303871.0U patent/CN214572442U/en active Active
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