CN203546318U - Air jet loom nozzle with rectifying air chamber - Google Patents
Air jet loom nozzle with rectifying air chamber Download PDFInfo
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- CN203546318U CN203546318U CN201320588034.8U CN201320588034U CN203546318U CN 203546318 U CN203546318 U CN 203546318U CN 201320588034 U CN201320588034 U CN 201320588034U CN 203546318 U CN203546318 U CN 203546318U
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- air chamber
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- air
- jet loom
- rectification
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Abstract
The utility model provides an air jet loom nozzle with a rectifying air chamber. The air jet loom nozzle comprises a nozzle tube, a weft insertion passage and an annular air chamber, wherein the weft insertion passage is coaxial with the nozzle tube and penetrates from one end of the nozzle tube to the other end of the nozzle tube, the annular air chamber is arranged between the inner wall of the nozzle tube and the outer wall of the weft insertion passage, and the annular air chamber is communicated with an air inlet passage. The air jet loom nozzle is characterized by further comprising the rectifying air chamber. The rectifying air chamber is disposed at the rear end of the annular air chamber along the weft insertion direction. The air inlet of the rectifying air chamber is communicated with the annular air chamber. The air outlet of the rectifying air chamber is communicated with the weft insertion passage. The air jet loom nozzle has the advantages that the rotational flow from the annular air chamber is 'cut' by the annular grid gaps formed between an air flow guide piece and the rectifying air chamber, large-scale rotational flow is divided into multiple small-scale rotational flows, the velocity component, vertical to the advancing direction, of fluid is weakened, and the velocity component in the advancing direction is enhanced, and jet air flow utilization rate is increased.
Description
Technical field
The utility model relates to a kind of used in jet loom nozzle, relates in particular to a kind of used in jet loom nozzle with rectification air chamber, belongs to textile workpiece field of mechanical technique.
Background technology
Air-jet loom is to adopt jet-stream wind weft traction to pass through the shuttleless loom of shed open, operation principle is to utilize air as wefting insertion medium, with the compressed air stream ejecting, weft yarn is produced to frictional traction and draw, weft yarn band is crossed to shed open, by the jet of jet generation, reach the object of wefting insertion.This filling insertion way can make loom realize high speed high yield.Nozzle will reach the object of injection, need to be designed to the structure that bore is little, passage is narrow, common is exactly the structure that is similar to taper, entrance is large, go out youngly, the nozzle of this structure is introducing during air-flow, and the speed of air current flow has and is parallel to the component of direction of advance and the component perpendicular to direction of advance, and be unfavorable for weft traction perpendicular to the velocity component of direction of advance, reduce the utilization rate of jet-stream wind.
Summary of the invention
In order to solve the deficiency in background technology, the purpose of this utility model is to overcome the defect of background technology, a kind of used in jet loom nozzle with rectification air chamber is provided, can weakens the velocity component of jet-stream wind perpendicular to direction of advance, improve the utilization rate of jet-stream wind.
For achieving the above object, the technical solution adopted in the utility model is: a kind of used in jet loom nozzle with rectification air chamber, comprise nozzle body, with the coaxial setting of described nozzle body and wear the wefting insertion passage to the other end from its one end, be arranged on the ring-shaped air chamber between inwall and the wefting insertion channel outer wall of described nozzle body, described ring-shaped air chamber is communicated with inlet channel, it is characterized in that: it also comprises the rectification air chamber that is arranged on described ring-shaped air chamber rear end along wefting insertion direction, the air intake of described rectification air chamber is communicated with described ring-shaped air chamber, its gas outlet and described wefting insertion channel connection.
In preferred embodiment of the utility model, further comprise that described rectification air chamber comprises the air chamber wall of annular and is circumferentially arranged on air chamber wall and protrudes from several air-flow prerotation vanes of air chamber wall.
In preferred embodiment of the utility model, further comprise described in several that air-flow prerotation vane interval is arranged on described air chamber wall uniformly.
In preferred embodiment of the utility model, further comprise that height that described air-flow prerotation vane protrudes from described air chamber wall is less than the height of described rectification air chamber.
In preferred embodiment of the utility model, further comprise that described nozzle also comprises the thread guide eyelet that is arranged on described wefting insertion passage sand inlet place.
In preferred embodiment of the utility model, further comprise that the connectivity part of described ring-shaped air chamber and inlet channel is provided with airstrainer.
Usefulness of the present utility model is: a kind of used in jet loom nozzle with rectification air chamber of the present utility model, the eddy flow of coming in the annular grid shape gap " cutting " forming between air-flow prerotation vane and rectification air chamber from ring-shaped air chamber, the eddy flow of large scale is resolved into the eddy flow of multiple small scales, make to weaken perpendicular to the velocity component of the fluid of direction of advance, and the velocity component of direction of advance is strengthened, thereby reach the object that improves jet-stream wind utilization rate.
figure of description
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of used in jet loom nozzle with rectification air chamber of the present utility model;
Fig. 2 is the sectional view of A-A in Fig. 1.
In figure: 2, nozzle body, 4, wefting insertion passage, 6, ring-shaped air chamber, 8, inlet channel, 10, rectification air chamber, 12, air intake, 14, gas outlet, 16, air chamber wall, 18, air-flow prerotation vane, 20, thread guide eyelet, 22, airstrainer.
The specific embodiment
In order to make those skilled in the art person understand better the utility model scheme, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
As shown in Figure 1-2, a kind of used in jet loom nozzle with rectification air chamber, comprise nozzle body 2, with the coaxial setting of nozzle body 2 and wear the wefting insertion passage 4 to the other end from its one end, be arranged on the ring-shaped air chamber 6 between inwall and wefting insertion passage 4 outer walls of nozzle body 2, ring-shaped air chamber 6 is communicated with inlet channel 8, compressed air enters into ring-shaped air chamber 6 along inlet channel 8 and forms eddy flow, it also comprises the rectification air chamber 10 that is arranged on ring-shaped air chamber 6 rear ends along wefting insertion direction, the air intake 12 of rectification air chamber 10 is communicated with ring-shaped air chamber 6, its gas outlet 14 is communicated with wefting insertion passage 4, eddy flow is from the front end that collects in wefting insertion passage 4 in ring-shaped air chamber 6 after rectification air chamber 10 leads rectification, draw by air-flow completes wefting insertion.
Concrete, rectification air chamber 10 comprises the air chamber wall 16 of annular and is circumferentially arranged on air chamber wall 16 and protrudes from several air-flow prerotation vanes 18 of air chamber wall 16, and the height that air-flow prerotation vane 18 protrudes from air chamber wall 16 is less than the height of rectification air chamber 10, the eddy flow of coming in the annular grid shape gap " cutting " forming between air-flow prerotation vane 18 and rectification air chamber 10 from ring-shaped air chamber 6, the eddy flow of large scale is resolved into the eddy flow of multiple small scales, make to weaken perpendicular to the velocity component of the fluid of direction of advance, and the velocity component of direction of advance is strengthened, weaken vertical component, strengthen parallel direction, the velocity component of air-flow in wefting insertion direction well led, thereby reach the object that improves jet-stream wind utilization rate.
Preferably, several air-flow prerotation vane 18 intervals are arranged on air chamber wall 16 uniformly, through experiment repeatedly, show that air-flow prerotation vane 18 intervals are arranged so that air-flow reaches maximum at the velocity component of wefting insertion direction, best results uniformly.
Nozzle also comprises the thread guide eyelet 20 that is arranged on wefting insertion passage 4 sand inlet places, collects under the effect of compressed air stream at 14 places, rectification air chamber 10 gas outlet weft yarn orderly drawing to spout rapidly in thread guide eyelet 20.
In order to prevent that airborne impurity from entering ring-shaped air chamber 6 with compressed air, yarn quality is penetrated in impact, in ring-shaped air chamber 6 and the connectivity part of inlet channel 8, is provided with airstrainer 22.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify and all should be equivalent substitute mode, within being included in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. the used in jet loom nozzle with rectification air chamber, comprise nozzle body, with the coaxial setting of described nozzle body and wear to the ring-shaped air chamber between the wefting insertion passage of the other end, the inwall that is arranged on described nozzle body and wefting insertion channel outer wall from its one end, described ring-shaped air chamber is communicated with inlet channel, it is characterized in that: it also comprises the rectification air chamber that is arranged on described ring-shaped air chamber rear end along wefting insertion direction, the air intake of described rectification air chamber is communicated with described ring-shaped air chamber, its gas outlet and described wefting insertion channel connection.
2. a kind of used in jet loom nozzle with rectification air chamber according to claim 1, is characterized in that: described rectification air chamber comprises the air chamber wall of annular and is circumferentially arranged on air chamber wall and protrudes from several air-flow prerotation vanes of air chamber wall.
3. a kind of used in jet loom nozzle with rectification air chamber according to claim 2, is characterized in that: described in several, air-flow prerotation vane interval is arranged on described air chamber wall uniformly.
4. a kind of used in jet loom nozzle with rectification air chamber according to claim 3, is characterized in that: the height that described air-flow prerotation vane protrudes from described air chamber wall is less than the height of described rectification air chamber.
5. a kind of used in jet loom nozzle with rectification air chamber according to claim 1, is characterized in that: described nozzle also comprises the thread guide eyelet that is arranged on described wefting insertion passage sand inlet place.
6. a kind of used in jet loom nozzle with rectification air chamber according to claim 1, is characterized in that: the connectivity part of described ring-shaped air chamber and inlet channel is provided with airstrainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588034.8U CN203546318U (en) | 2013-09-24 | 2013-09-24 | Air jet loom nozzle with rectifying air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588034.8U CN203546318U (en) | 2013-09-24 | 2013-09-24 | Air jet loom nozzle with rectifying air chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203546318U true CN203546318U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320588034.8U Expired - Fee Related CN203546318U (en) | 2013-09-24 | 2013-09-24 | Air jet loom nozzle with rectifying air chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN203546318U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510249A (en) * | 2013-09-24 | 2014-01-15 | 吴江唯奇布业有限公司 | Air-jet loom spraying nozzle with rectification air chamber |
| CN106012244A (en) * | 2016-07-28 | 2016-10-12 | 吴江金叶织造有限公司 | Double-air-inlet main nozzle based on air-jet loom |
| CN108866762A (en) * | 2018-08-25 | 2018-11-23 | 浙江星耀纺织机械有限公司 | The fixation main burner of air-jet loom |
-
2013
- 2013-09-24 CN CN201320588034.8U patent/CN203546318U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510249A (en) * | 2013-09-24 | 2014-01-15 | 吴江唯奇布业有限公司 | Air-jet loom spraying nozzle with rectification air chamber |
| CN106012244A (en) * | 2016-07-28 | 2016-10-12 | 吴江金叶织造有限公司 | Double-air-inlet main nozzle based on air-jet loom |
| CN108866762A (en) * | 2018-08-25 | 2018-11-23 | 浙江星耀纺织机械有限公司 | The fixation main burner of air-jet loom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20140924 |
|
| EXPY | Termination of patent right or utility model |