CN203782310U - Improved novel air texturing nozzle - Google Patents
Improved novel air texturing nozzle Download PDFInfo
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- CN203782310U CN203782310U CN201320850462.3U CN201320850462U CN203782310U CN 203782310 U CN203782310 U CN 203782310U CN 201320850462 U CN201320850462 U CN 201320850462U CN 203782310 U CN203782310 U CN 203782310U
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- nozzle
- air
- nozzle core
- internal channel
- admission hole
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Abstract
The utility model discloses an improved novel air texturing nozzle. A body is provided with a nozzle core, an internal channel is formed in the nozzle core, a pipe joint on the body is connected with a compressed air pipe, and the compressed air pipe is communicated with two air inlet holes in the internal channel of the nozzle core, wherein the diameters of the two air inlet holes are different. A stop body is arranged outside the outlet of the nozzle core. The internal channel of the nozzle core comprises a yarn feeding channel connected with a contracting conical surface area, the contracting conical surface area is connected with a cylindrical throat portion, and the cylindrical throat portion is connected with a diffusion pipe of a circular truncated cone shape. The two air inlet holes of different diameters are communicated with the contracting conical surface area, and the inner diameter of the yarn feeding channel is smaller than that of the throat portion. The improved novel air texturing nozzle is reasonable in structure and good in work performance.
Description
Technical field
The utility model relates to a kind of textile chemical fiber engineering goods, is the core component of Air texturing machines, specifically a kind of air-texturing jet.
Background technology
Air-texturing jet is converted into high speed, asymmetric and high turbulence level nozzle air current by the compressed air of supply, to feeding, the different endless tows such as synthetic fiber of 2-3 bundle overfeeding length of its entrance are drawn and shredding is that monofilament and displacement mix, from jet expansion, spray, the nearly an angle of 90 degrees of mostly transferring under outlet opposite block body coordinates, become and have the air deformation yarn of the wire ring structure of entwining (ATY) to derive, separated with nozzle air current.With processing by later process on Air texturing machines, become ATY finished product, so just saved and long filament is cut to staple fibre carried out combing, enclose bar, add and be twisted rove and draw twisting and become spun yarn etc. by many manufacturing procedures of long filament staple fibre yarn processed.ATY is the wide like staple fiber yam of a kind of purposes wide in variety, is an important kind in textile process industry.The structure of nozzle and formed nozzle air current feature are directly connected to process velocity, energy consumption and ATY quality and the occupation rate of market of air-texturing technology.
Since last century the seventies, the various Air texturing machines that developed country manufactures mostly assembles Dupont (Du Pont) type (comprising the EMAD type that easily steps) and Switzerland's hertz horse (Herma) type air-texturing jet, below introduction:
Switzerland Heberlein Wei Wei technology company applies for Chinese invention patent CN97192307.8 in February, 1997, 1211293A " air force deformation technique, texturing jet, nozzle head and application thereof ", wherein texturing jet shows as Fig. 1, be called the modified that conspicuous horse S type nozzle is the T-shaped nozzle of conspicuous horse of early eighties appearance, the structure of these two kinds conspicuous horse nozzles is basic identical, all by body, nozzle core and spherical block body form, difference is in nozzle core internal channel outlet section shape and function different, as Fig. 2 and Fig. 3 show, Fig. 2 is the T-shaped nozzle core of conspicuous horse containing 3 air admission holes, 3 air inlet apertures equate, be about Φ 0.9mm, with a β=48 ° angle, with internal channel, join, internal channel major part is the cylinder straight tube of about Φ 2mm, to approaching outlet section, change diverging horn mouth into, in Fig. 3, conspicuous horse S type nozzle core internal channel changes the passage of special tapering at the cylinder straight tube that approaches outlet section, has speedup function, and the high speed of its nozzle air current is obvious, under certain process conditions, can improve process velocity.The T-shaped Nozzle Flow Field test of conspicuous horse illustrates, and its nozzle air current speed asymmetry is slight, referring to J.Text.lnst, and 1986, no.1, P28-43, the long filament over feed rate(OFR) of therefore conspicuous horse type nozzle processing is starkly lower than the processing long filament over feed rate(OFR) of Du Pont's type nozzle.
U.S. E. I. Du Pont de Nemours and Co applies for Chinese invention patent CN1036806A in November, 1989, " 89102127.2 the equipment of preparing highly coherent air jet textured yarn ", wherein Du Pont's type air-texturing jet shows as Fig. 4: chamber body left end assembling nozzle core anemostat in Fig. 4, throat and contraction tapered region form shaped telescopic tube (venturi (Venturi) pipe), right-hand member is equipped with the seal wire pin of feeding silk passage and biasing air admission hole, seal wire pin front end face forms turbulence chamber with the contraction conical surface, the seal wire pin front end conical surface forms and must be set up by process debugging the annular gas passageway S of axial displacement X with the contraction conical surface, from the air-flow of biasing air admission hole ejection, pass through A length ring set O, enter annular gap S and turbulence chamber, form asymmetric nozzle air current, to seal wire pin, feed the silk overfeeding long filament that passage is derived and start to carry out air-texturing processing, through anemostat speedup, form at a high speed, asymmetric and high turbulence level nozzle air current processing, under coordinating, anemostat outlet block body is processed into ATY.Melliand Textiberichfe, 1987, no.9627-633 test is measured: the XIV of the Du Pont type nozzle (having biasing air admission hole " O ") occurring for 1973 and Du Pont's X-type nozzle (without biasing air admission hole " O "); Nozzle air current velocity contour under 8 technical atmosphere air feed operating modes, shows high speed; Under 8 atmospheres and abbreviation gap displacement X=0.3mm operating mode, nozzle air current distributes at annular gap exit plane air-flow, show asymmetry, there are the XIV of Du Pont type nozzle air current asymmetry and the processing usefulness of biasing air admission hole better, but the air-flow of biasing air admission hole ejection enters before turbulence chamber contact feeding long filament and processes, but to slow down through the ring set O diffusion of A length, be unfavorable for the potential working ability of performance supply air-flow.
Easily step type nozzle and do not establish biasing air admission hole, its US Patent No. P4,095,320, at seal wire pin front end conical surface truncated section, strengthen this part ejection flow, promote nozzle air current asymmetry.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, the improved air deformation spray nozzle of favorable working performance.
Technical solution of the present utility model is:
A kind of improved air deformation spray nozzle, there is body, on body, fill nozzle core, it is characterized in that: internal channel is set in nozzle core, pipe joint on body is connected with compressed air hose, compressed air hose and two air admission hole connections that aperture is different in nozzle core internal channel; Nozzle core exports arranged outside block body, and nozzle core internal channel comprises feeds a silk passage, feeds silk passage and is connected with contraction tapered region, shrinks tapered region connecting cylinder shape throat, and cylindrical throat connects truncated cone-shaped anemostat; The different air admission hole in above-mentioned two apertures is communicated with contraction tapered region, feeds a silk passage internal diameter and is less than throat's internal diameter.
Nozzle core has leading portion and back segment to connect to form, and feeds silk passage and is arranged in back segment, shrinks tapered region, throat, truncated cone-shaped anemostat and two different air admission holes in aperture and is arranged in leading portion.
The cone angle that shrinks tapered region is 22 ~ 32 °.
The different air admission hole in two apertures is radially symmetrical in nozzle core, its large pore air admission hole be positioned at internal channel directly over, small-bore air admission hole be positioned at internal channel under.
Air admission hole aperture, small-bore in various inlet hole, two apertures is 0.77 ~ 0.93 times of air admission hole aperture, large aperture.Air admission hole aperture, air admission hole aperture/large aperture, air-flow asymmetry E=(small-bore)
2≤ 0.777.
The center line in various inlet hole, two apertures and the angle of nozzle core internal channel longitudinal center line are 40 ~ 50 °.
Described block body, its one side in the face of nozzle core outlet is spherical, the one side exporting away from nozzle core is plane, and the side setting seal wire groove vertical with nozzle core internal channel longitudinal center line exporting at nozzle core.
The horizontal median axis of block body is positioned at nozzle core internal channel longitudinal center line below, and the distance of the horizontal median axis of block body and nozzle core internal channel longitudinal center line is 0.2 ~ 0.45 times of nozzle core outlet diameter.
The utility model is rational in infrastructure, favorable working performance.
The utility model is established at nozzle core internal channel the air admission hole not waiting in two apertures and is implemented nozzle air current asymmetry.
Two apertures of the utility model nozzle do not wait air admission hole to consider to use common drill bit processing:
| Bleed type | 1405 | 1605 | 1806 | 2008 | 2010 | 2210 | 2411 |
| Air admission hole Φ is little in small-bore Littlemm | Φ0.7 Φ0.8 | Φ0.8 Φ0.9 | Φ0.9 Φ1.0 | Φ1.0 | Φ1.0 | Φ1.1 | Φ1.2 |
| Air admission hole Φ is large in large aperture Littlemm | Φ0.9 Φ0.9 | Φ1.0 Φ1.0 | Φ1.1 Φ1.1 | Φ1.2 | Φ1.3 | Φ1.3 | Φ1.4 |
| Φ is little Little/ Φ is large Greatly | 0.78 0.89 | 0.8 0.9 | 0.82 0.91 | 0.83 | 0.77 | 0.85 | 0.86 |
| The little ejection air flow rate of E=Φ Q is little/and the large ejection air flow rate of Φ Q is large=and Φ is little 2 Little/ Φ is large 2 | 0.61 0.79 | 0.64 0.81 | 0.67 0.83 | 0.69 | 0.59 | 0.72 | 0.74 |
| Estimate 8kg/cm 2Air consumption rice under air pressure 3/ hour | 6.9 7.7 | 8.8 9.7 | 10.8 11.2 | 13.1 | 14.4 | 15.5 | 18.2 |
Du Pont's type nozzle, easily steps type nozzle and the utility model nozzle and all adopts Venturi tube to comprise nozzle core anemostat, throat and contraction tapered region enforcement nozzle air current speed high speed, and Du Pont's type nozzle anemostat muzzle velocity is up to 2.0,2.4 Mach.The contraction conical surface cone angle of Du Pont's type nozzle and Yi Mai type nozzle is all up to 60 °, the utility model nozzle shrinks conical surface cone angle can be reduced into 22 °-32 ° without restriction, in Fig. 8, be reduced into 28 °, be conducive to increase Venturi tube efficiency and the utility model nozzle air current high speed, referring to US Patent No. P4.189.812.
It is different that this three classes nozzle is implemented the asymmetric nozzle arrangements of nozzle air current, Du Pont's type nozzle is established biasing air admission hole, ejection air-flow is through the inhomogeneous diffusion of A length sleeve pipe, enter annular gas passageway and form asymmetric flow processing feeding long filament: under technical atmosphere and gap displacement X=0.3mm operating mode, near plane Velocity Profiles annular gas passageway outlet is measured in test, the conveying end minimum speed V that goes to the bottom
little210m/s and upper top maximum speed V
greatlythe ratio value representation air-flow asymmetry E=V of 270m/s
little/ V
greatly=210/270=0.777, in order to indicate biasing air admission hole Du Pont type nozzle air current asymmetry feature; In like manner without the asymmetric feature E=V of biasing air admission hole Du Pont type nozzle air current
little/ V
greatly=180/210=0.857: the XIV of Du Pont type air-flow asymmetry, the X-type air-flow asymmetry E=0.857 of E=0.777 < Du Pont, has illustrated that biasing air admission hole Du Pont type nozzle air current asymmetry and processing usefulness are in fact better than without biasing air admission hole Du Pont type nozzle asymmetry and processing usefulness.Utility model nozzle is positioned at positive end side Ф at the bottom of turbulence chamber
littleejection flow Q
littleair-flow and the just side of top Φ
greatlyejection flow Q
greatlyair-flow merges into asymmetric nozzle air current at turbulence chamber, forms minimum speed V in nozzle air current
littlem/s and maximum speed V
greatlym/s, E=V under same supply air pressure operating mode
little/ V
greatly=Q
little/ Q
greatly=Ф
little 2/ Ф
greatly 2, listed nozzle air current asymmetry E=Ф of upper table
little 2/ Ф
greatly 2value is less than the nozzle E=0.777 of Du Pont mostly, also be less than E=0.857, represent that the utility model nozzle need not process debugging air-flow asymmetry and add that usefulness reaches and suitably surpass and obtain Chinese invention patent CN1036806A, 89102127.2 Du Pont's type nozzle, suitably surpass and obtain Chinese invention patent CN1211293A, 97192307.8 conspicuous horse type nozzle.In upper table, estimate that the utility model nozzle air consumption is not at least higher than the air consumption of Du Pont's type nozzle and Yi Mai type nozzle.In addition the positive face ball of the utility model nozzle block body is in the face of in anemostat outlet, radially move down 0.2 Φ-0.45 Φ, and can axial translation, be convenient to nozzle air current overflows from outlet top as far as possible fast, processing long filament from outlet with nozzle air current ejection meets with block body, separated with nozzle air current as early as possible, become ATY, on the parallel bevel of block body behind spherical part, seal wire groove is derived.This block body moves down collocation and is positioned at just upper top Φ
greatlyair admission hole, is conducive to increase nozzle air current turbulence level and processing usefulness.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is a kind of hertz of horse Hema S type air-texturing jet profile in prior art.
Fig. 2 is the nozzle core profile of conspicuous horse S type air-texturing jet in prior art.
Fig. 3 is the nozzle core profile of the conspicuous T-shaped air-texturing jet of horse in prior art.
Fig. 4 is a kind of Du Pont (Dupont) type air-texturing jet profile in prior art.
Fig. 5 is the structural representation of an embodiment of the utility model.
The specific embodiment
A kind of improved air deformation spray nozzle, there is body 1, on body, fill nozzle core, internal channel is set in nozzle core, pipe joint 7 on body is connected with compressed air hose 4, and the compressed air hose air admission hole 5 different from two apertures in nozzle core internal channel, the 6(i.e. aperture of two air admission holes are different) be communicated with; Nozzle core exports arranged outside block body 15, and nozzle core internal channel comprises feeds a silk passage 8, feeds silk passage and is connected with contraction tapered region 11, shrinks tapered region connecting cylinder shape throat 13, and cylindrical throat connects truncated cone-shaped anemostat 14; The different air admission hole 5,6 in above-mentioned two apertures is communicated with contraction tapered region 11, feeds a silk passage internal diameter and is significantly less than throat's internal diameter.
Nozzle core has leading portion 2 and back segment 3 to connect to form, and feeds silk passage and is arranged in back segment, shrinks tapered region, throat, truncated cone-shaped anemostat and two different air admission holes in aperture and is arranged in leading portion.
The cone angle that shrinks tapered region is 22 ~ 32 °.
The different air admission hole in two apertures is radially symmetrical in nozzle core, its large pore air admission hole 6 be positioned at internal channel directly over, small-bore air admission hole 5 be positioned at internal channel under.
Air admission hole aperture, small-bore in various inlet hole, two apertures is 0.77 ~ 0.93 times of air admission hole aperture, large aperture.Air admission hole aperture, air admission hole aperture/large aperture, air-flow asymmetry E=(small-bore)
2≤ 0.777, without the size of carrying out process debugging traditional endless gap, control charge flow rate and VELOCITY DISTRIBUTION.
The center line in various inlet hole, two apertures and the angle of nozzle core internal channel longitudinal center line 12 are 40 ~ 50 °.
Described block body, its one side in the face of nozzle core outlet is spherical, the one side exporting away from nozzle core is plane, and the side setting seal wire groove 16 vertical with nozzle core internal channel longitudinal center line exporting at nozzle core.
The horizontal median axis of block body is positioned at nozzle core internal channel longitudinal center line below, and the distance of the horizontal median axis of block body and nozzle core internal channel longitudinal center line is 0.2 ~ 0.45 times of nozzle core outlet diameter.Block body can move axially.
In figure, also has silk 10.
Claims (8)
1. an improved air deformation spray nozzle, there is body, on body, fill nozzle core, it is characterized in that: internal channel is set in nozzle core, pipe joint on body is connected with compressed air hose, compressed air hose and two air admission hole connections that aperture is different in nozzle core internal channel; Nozzle core exports arranged outside block body, and nozzle core internal channel comprises feeds a silk passage, feeds silk passage and is connected with contraction tapered region, shrinks tapered region connecting cylinder shape throat, and cylindrical throat connects truncated cone-shaped anemostat; The different air admission hole in above-mentioned two apertures is communicated with contraction tapered region, feeds a silk passage internal diameter and is less than throat's internal diameter; The horizontal median axis of block body is positioned at nozzle core internal channel longitudinal center line below, and the distance of the horizontal median axis of block body and nozzle core internal channel longitudinal center line is 0.2～0.45 times of nozzle core outlet diameter.
2. improved air deformation spray nozzle according to claim 1, it is characterized in that: nozzle core has leading portion and back segment to connect to form, feed silk passage and be arranged in back segment, shrink tapered region, throat, truncated cone-shaped anemostat and two different air admission holes in aperture and be arranged in leading portion.
3. improved air deformation spray nozzle according to claim 2, is characterized in that: the cone angle that shrinks tapered region is 22～32 °.
4. according to the improved air deformation spray nozzle described in claim 1,2 or 3, it is characterized in that: the different air admission hole in two apertures is radially symmetrical in nozzle core, its large pore air admission hole be positioned at internal channel directly over, small-bore air admission hole be positioned at internal channel under.
5. improved air deformation spray nozzle according to claim 4, is characterized in that: the air admission hole aperture, small-bore in various inlet hole, two apertures is 0.77～0.93 times of air admission hole aperture, large aperture.
6. improved air deformation spray nozzle according to claim 5, is characterized in that: air-flow asymmetry E=(air admission hole aperture, small-bore air admission hole aperture/large aperture)
2≤ 0.777.
7. improved air deformation spray nozzle according to claim 4, is characterized in that: the center line in various inlet hole, two apertures and the angle of nozzle core internal channel longitudinal center line are 40～50 °.
8. according to the improved air deformation spray nozzle described in claim 1,2 or 3, it is characterized in that: described block body, its one side in the face of nozzle core outlet is spherical, one side away from nozzle core outlet is plane, and the side setting seal wire groove vertical with nozzle core internal channel longitudinal center line exporting at nozzle core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850462.3U CN203782310U (en) | 2013-12-23 | 2013-12-23 | Improved novel air texturing nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850462.3U CN203782310U (en) | 2013-12-23 | 2013-12-23 | Improved novel air texturing nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN203782310U true CN203782310U (en) | 2014-08-20 |
Family
ID=51318515
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|---|---|---|---|
| CN201320850462.3U Expired - Fee Related CN203782310U (en) | 2013-12-23 | 2013-12-23 | Improved novel air texturing nozzle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887258A (en) * | 2014-09-18 | 2016-08-24 | 江苏宝丽斯新材料有限公司 | An air jet texturing yarn nozzle |
| CN109415848A (en) * | 2016-06-17 | 2019-03-01 | 塞尔焦·扎利奥 | Interlacing apparatus and correlation technique |
| CN114635214A (en) * | 2022-03-08 | 2022-06-17 | 福建欣美针纺有限公司 | Add bullet machine network air supply system |
-
2013
- 2013-12-23 CN CN201320850462.3U patent/CN203782310U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887258A (en) * | 2014-09-18 | 2016-08-24 | 江苏宝丽斯新材料有限公司 | An air jet texturing yarn nozzle |
| CN109415848A (en) * | 2016-06-17 | 2019-03-01 | 塞尔焦·扎利奥 | Interlacing apparatus and correlation technique |
| CN109415848B (en) * | 2016-06-17 | 2021-07-13 | 塞尔焦·扎利奥 | Interlacing device and related method |
| CN114635214A (en) * | 2022-03-08 | 2022-06-17 | 福建欣美针纺有限公司 | Add bullet machine network air supply system |
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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: 20140820 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |