CN1321233C - Pick-blowing nozzle for fluid jet loom and fluid jet loom - Google Patents

Pick-blowing nozzle for fluid jet loom and fluid jet loom Download PDF

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Publication number
CN1321233C
CN1321233C CNB021561214A CN02156121A CN1321233C CN 1321233 C CN1321233 C CN 1321233C CN B021561214 A CNB021561214 A CN B021561214A CN 02156121 A CN02156121 A CN 02156121A CN 1321233 C CN1321233 C CN 1321233C
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CN
China
Prior art keywords
nozzle
side slot
aforementioned
face
slot space
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Expired - Fee Related
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CNB021561214A
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Chinese (zh)
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CN1506511A (en
Inventor
服部恒一
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Tsudakoma Corp
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Tsudakoma Industrial Co Ltd
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Priority to CNB021561214A priority Critical patent/CN1321233C/en
Publication of CN1506511A publication Critical patent/CN1506511A/en
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Publication of CN1321233C publication Critical patent/CN1321233C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The present invention relates to a picking nozzle. A hollow needle is inserted into a nozzle body, and the hollow needle and the nozzle body together form an annular flowing path to enable the nozzle body and a nozzle joint communicated with a high pressure fluid source to be penetrated. The nozzle body and the nozzle joint are respectively provided with an inner side slot space and an outer side slot space which extend along an axial direction and are mutually communicated. A leading-in hole communicating the annular flowing path with the inner side slot space is provided with an opening on the side end part of the front end of the nozzle of the inner side slot space. The disordered flowing state of the high pressure fluid passing through the flowing path can be inhibited, and the high speed of the jetting fluid is obtained.

Description

The Weft insertion nozzle of fluid jet type weaving machine and fluid jet type weaving machine
Technical field
Relevant Weft insertion nozzle and the fluid jet type weaving machine that is used in as the fluid jet type weaving machine of water jet looms of the present invention.
Background technology
As this Weft insertion nozzle, there is so a kind of nozzle to be, to have at its outer peripheral face on the nozzle body of the endless groove that extends along the nozzle-axis direction, insertion has allows the pin of the through hole that weft yarn connects, both form the ring-type stream, make the outer peripheral face of nozzle body chimeric, at a plurality of entrance holes (special fair 4-18053 number) of nozzle body formation with the guiding of the high-pressure fluid in endless groove ring-type stream with nozzle connection with high-pressure fluid supply stream.
In this prior art, high-pressure fluid conflicts with the groove bottom of endless groove from supplying with stream, this right-angle steering along in the endless groove to the spray nozzle front end side shifting, be imported into the ring-type stream by entrance hole, the sinuous flow state that forms is suppressed by the commutator that is disposed at the ring-type stream and flows down, and sprays to Warp opening from the jet that is formed at downstream.
The stream field in ring-type stream downstream (spray nozzle front end side), being made into more downstream, its flow path cross sectional area of side reduces more.Thus, in the stream field of ring-type stream downstream hand hay cutter, its stream alms bowl of side flow is compressed more and quickens more downstream, obtains liberation at jet from compression, sprays to Warp opening.The weft yarn outstanding from the front end of pin contacts with the injection fluid that the blowing loophole sprays, by the conveyance of injection fluid, by picking to Warp opening.
Yet, Weft insertion nozzle in the past, because the inner peripheral surface at nozzle body forms the ring-type stream, having to be formed at the groove bottom diameter of the endless groove of nozzle body outer peripheral face does greatly, the difference in size of outer peripheral face and groove bottom radial direction reduces, thereby reduce the flow path cross sectional area of endless groove, the stream impedance of endless groove must not be constant big, and high-pressure fluid can not pass through at a high speed.Again, conflict with the groove bottom of endless groove from supplying with the high-pressure fluid that stream flows into endless groove, nozzle connection one side that rebounds back, the while becomes the fluid to the spray nozzle front end side at this right-angle steering, advances to entrance hole.Its result, in the Weft insertion nozzle in the past, high-pressure fluid becomes sinuous flow in endless groove, enters the ring-type stream from entrance hole under the sinuous flow state.
As mentioned above, if high-pressure fluid enters the ring-type stream under the sinuous flow state,, can not fully separate the sinuous flow state that disappears even at ring-type flow arrangement commutator.Therefore, in the Weft insertion nozzle in the past, high-pressure fluid can not be quickened in the ring-type stream fully, and simultaneously the injection fluid from jet spreads, and conflicts with warp thread and makes its damage.
The objective of the invention is to, suppress high-pressure fluid and under the sinuous flow state, pass through stream, try to achieve the high speed that sprays fluid.
Summary of the invention
Weft insertion nozzle of the present invention comprises: the pin of hollow; The nozzle body that inserts this pin promptly, have a nozzle body that forms high-pressure fluid ring-type stream along inner side slot bottom surface that this nozzle-axis direction is extended, simultaneously with aforementioned pin jointly at its outer peripheral face; And the nozzle connection that this nozzle body connects promptly, on the through-plane that aforementioned nozzle body connects, have along outer side slot bottom surface that the aforementioned axis direction is extended, the supply stream of high-pressure fluid is at the nozzle connection of aforementioned outer side slot bottom surface opening.Aforementioned inner side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end face form the inner side slot space jointly, and aforementioned again outer side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end face be the common outer side slot space that is communicated with aforementioned inner side slot space that forms in nozzle connection.Aforementioned nozzle body have a plurality of entrance holes that are communicated with aforementioned inner side slot space and aforementioned ring-type stream be, respectively at a plurality of entrance holes of the spray nozzle front end side end opening in aforementioned inner side slot space.
High-pressure fluid enters inside and outside slot space from supplying with stream.Inside and outside slot space is compared with conventional art, because the common concentrated flow road with big flow path cross sectional area that forms, the stream impedance on its concentrated flow road reduces, thereby the pressure loss on its concentrated flow road reduces, its as a result high-pressure fluid at a high speed by the concentrated flow road.
From supplying with the high-pressure fluid that stream flows into inside and outside slot space, conflict with the inner side slot bottom surface in inner side slot space, nozzle connection one side rebounds back.But owing to be formed with the outer side slot bottom surface, the high-pressure fluid that bounce-back is returned slightly contacts with nozzle connection, thereby can not rebound go back to the inner side slot bottom surface once more.Therefore, high-pressure fluid can not become the sinuous flow state in inside and outside slot space.The high-pressure fluid from the supply stream that conflicts with the inner side slot bottom surface, all going up to spray nozzle front end side right-angle steering advanced along axis direction, advances to entrance hole in inside and outside slot space.Because entrance hole is opened on the spray nozzle front end side in inner side slot space, high-pressure fluid is directed to spray nozzle front end side end face, guides to entrance hole at an easy rate.
On the aforementioned axis direction, the position of the spray nozzle front end sidepiece face in aforementioned outer side slot space can be arranged at consistent with the spray nozzle front end sidepiece face in aforementioned inner side slot space local or than the place of its reversed nozzle front.
The part of high-pressure fluid is conflicted with the spray nozzle front end side end face in outer side slot space.But, because the aperture position of the entrance hole of the position of the spray nozzle front end side end face of the inside and outside slot space on axis direction relation and relative inner slot space, make with high-pressure fluid after the spray nozzle front end side end face in outer side slot space conflicts and can not flow to the anti-front of nozzle, and can flow to entrance hole at once.Therefore, can prevent because of the spray nozzle front end side end face in outer side slot space fluid that flows to the spray nozzle front end side and the fluid that the flows to anti-front sinuous flow that conflicts and take place nearby.
High-pressure fluid is directed into the ring-type stream from the inner side slot space through entrance hole, is compressed in the ring-type stream and quickens, and obtains liberation at the jet place, sprays to Warp opening with weft yarn.
As mentioned above, adopt Weft insertion nozzle of the present invention, compared to existing technology, the sinuous flow state does not take place and enters the ring-type stream at a high speed in the high-pressure spray physical efficiency, obtains high speed and has the well injection fluid of bringing together property.
Another kind of Weft insertion nozzle of the present invention comprises: the pin of hollow; The nozzle body that inserts this pin promptly, have a nozzle body that forms high-pressure fluid ring-type stream along inner side slot bottom surface that this nozzle-axis direction is extended, simultaneously with aforementioned pin jointly at its outer peripheral face; And the nozzle connection that this nozzle body connects promptly, on the through-plane that aforementioned nozzle body connects, have along outer side slot bottom surface that the aforementioned axis direction is extended, the nozzle connection of the aforementioned outer side slot of the supply flow road direction bottom surface opening of high-pressure fluid.The common inner side slot space that is communicated with aforementioned ring-type stream that forms of aforementioned inner side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end face.The common outer side slot space that is communicated with aforementioned inner side slot space that forms of aforementioned outer side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end sidepiece face, aforementioned relatively inner side slot bottom surface is to aforementioned supply flow trackside off-centre simultaneously.
In this Weft insertion nozzle of the present invention, high-pressure fluid also is to enter inside and outside slot space from supplying with stream.But, inside and outside slot space compared with prior art because the common concentrated flow road with big flow path cross sectional area that forms, the stream impedance on its concentrated flow road reduces, thus the pressure loss on its concentrated flow road reduces, its as a result high-pressure fluid at a high speed by the concentrated flow road.
The high-pressure fluid that flows into inside and outside slot space from the supply stream of nozzle connection conflicts with the inner side slot bottom surface in inner side slot space, and nozzle connection one side rebounds back.But because outer side slot bottom surface relative inner groove bottom to supply flow trackside off-centre, is separated big distance at the supply flow trackside between inside and outside groove bottom, the high-pressure fluid that bounce-back is returned slightly contacts with the outer side slot bottom surface, thereby can not rebound go back to the inner side slot bottom surface once more.Therefore, high-pressure fluid can not become sinuous flow at inside and outside slot space, and advances between inside and outside slot space.
As mentioned above, adopt another kind of Weft insertion nozzle of the present invention, compared to existing technology, the sinuous flow state does not take place and enters the ring-type stream at a high speed in the high-pressure spray physical efficiency, obtains high speed and has the well injection fluid of bringing together property.
Fluid jet type weaving machine of the present invention has a plurality of outer side slots bottom surface relative inner groove bottom, to the other Weft insertion nozzle of supply flow trackside off-centre.
On fluid jet type weaving machine,, nozzle connection must be done on radial direction greatly for the outer side slot bottom surface is arranged on the nozzle connection.Therefore therefore, have on the fluid jet type weaving machine of a plurality of Weft insertion nozzles, be necessary to make each nozzle disconnected from each other, be difficult to each Weft insertion nozzle is configured to the form of the appropriate location of weft yarn in the Warp opening.
Yet, outer side slot bottom surface relative inner groove bottom is to the Weft insertion nozzle of supplying with the stream one lateral deviation heart, except supplying with stream, the radius size of the nozzle-axis of nozzle connection is little, by the position configuration by the mutual chien shih supply flow of the nozzle of adjacency trackside is different directions, can will have a plurality of Weft insertion nozzles shape near each other ground configuration in outer side slot space on the nozzle connection.
Description of drawings
Fig. 1 represents the profile of an embodiment of Weft insertion nozzle of the present invention.
In Fig. 2 presentation graphs 1 along the profile of 2-2 line gained.
In Fig. 3 presentation graphs 1 along the profile of 3-3 line gained.
Fig. 4 represents the profile of another embodiment of Weft insertion nozzle of the present invention.
Fig. 5 represent an embodiment of fluid jet type weaving machine of the present invention figure, be to show Weft insertion nozzle figure nearby.
The Weft insertion nozzle of the loom that Fig. 6 is shown in Figure 5 expanded view nearby.
Fig. 7 represent outer side slot bottom surface relative inner groove bottom after supplying with trackside, adding large eccentricity Weft insertion nozzle and have the expanded view same of embodiment of the loom of this Weft insertion nozzle with Fig. 6.
The specific embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, Weft insertion nozzle 10 comprises: pin 12, coaxially take in the tubular nozzle body 14 of pin 12, coaxially be disposed at ring-type commutator 16 in the nozzle body 14, be assembled into the nozzle connection 18 of nozzle body 14 breakthrough status.
Pin 12 has the through hole 22 that weft yarn 20 passes through coaxially, again by the clamp 24 that screws togather with nozzle body 14, is fixed on the nozzle body 14 from anti-fluid ejection side.
The leading section outer peripheral face of pin 12 has than the little diameter dimension of rearward end outer peripheral face diameter, forms the 1st stream 26 of ring-type again jointly with the inner peripheral surface of nozzle body 14.
Nozzle body 14 is assembled in nozzle connection 18 by the nut 28 that screws togather from fluid ejection side under with its breakthrough status.Nozzle body 14 is in the inner side slot space 30 that outer peripheral face has ring-type, and around nozzle 10 axis, the equal angles compartment of terrain has a plurality of entrance holes 32 that are communicated in inner side slot space 30 and the 1st stream 26 simultaneously.
Commutator 16 is disposed at the downstream end of the 1st stream 26, and around nozzle 10 axis directions of inboard, it is rectification wall 34 that the equal angles compartment of terrain has a plurality of empennages that extend to axis direction again.Thus, rectifier tank 36 is formed between the circumferential adjacent rectification wall 34 of axis direction.
The leading section outer peripheral face of the inner peripheral surface of commutator 16 and pin 12 forms the 2nd stream 38 that the past more downstream of flow path cross sectional area reduces more jointly, so that the high-pressure fluid compression is quickened.The 2nd stream 38 has the jet 40 that makes high-pressure fluid be liberated and spray in downstream from the compression of the 2nd stream 38.
Each rectification wall 34 is formed at the upstream side of the 2nd stream 38 of axis direction.The front end blowing loophole 40 of pin 12 is side-prominent downstream.1st, the 2nd stream 26 and 38 has as the compression high-pressure fluid and it is quickened and the effect of the ring-type stream 42 that sprays from jet 40.
Nozzle connection 18 has the supply stream 44 that is communicated with high-pressure fluid source, the outer side slot space 46 that the while has on the through-plane that nozzle body 14 connects and supply stream 44 is communicated with.Between pin 12 and the nozzle body 14, and nozzle body 14 and nozzle connection 18 between, dispose the O type ring 48 more than 1 respectively.
Inner side slot space 30 and outer side slot space 46 are not in the same position on the nozzle-axis direction respectively, and be eccentric and extend on the axis direction of nozzle coaxially, is interconnected under continuous state.
Inner side slot space 30 is by upwardly extending inner side slot bottom surface 50, spray nozzle front end side end face 52 and reversed nozzle front end face 54 form in nozzle-axis side.Spray nozzle front end side end face 52 is inclined to nozzle-axis and converges to reversed nozzle leading section form.
Outer side slot space 46 is by upwardly extending outer side slot bottom surface 56, spray nozzle front end side end face 58 and reversed nozzle front end face 60 form jointly in nozzle-axis side.Supply with stream 44 at outer side slot bottom surface 56 openings.
In the illustrated example, two spray nozzle front end side end faces 52 and 58 are in same position on the nozzle-axis direction, and two reversed nozzle front end face 54 and 60 are in same position on the nozzle-axis direction.Each entrance hole 32 extends to the state with the spray nozzle front end side end face orthogonal in inner side slot space 30, the spray nozzle front end side end opening in inner side slot space 30.
On axis direction, the positions relation that two spray nozzle front end side end faces 52 and 58 form should be: the spray nozzle front end side end face 58 in outer side slot space 46 be in consistent with the spray nozzle front end side end face 52 in inner side slot space 30 local or than it more to the place of reversed nozzle front.
In Weft insertion nozzle 10, high-pressure fluid enters outer side slot space 46 and inner side slot space 30 from the supply stream 44 of high-pressure fluid source through nozzle connection 18.In the Weft insertion nozzle 10, inside and outside two slot spaces 30,46 form the concentrated flow road with big flow path cross sectional area.Compare with Weft insertion nozzle in the past, such concentrated flow road with big flow path cross sectional area, the stream impedance is little, and the pressure loss on its concentrated flow road reduces.Therefore, enter the high-pressure fluid on this concentrated flow road at a high speed by the concentrated flow road.
Again, from supplying with the high-pressure fluid that stream 44 enters two slot spaces 30,46, conflict with the inner side slot bottom surface 50 in inner side slot space 30, nozzle connection one side rebounds back.Yet, owing in Weft insertion nozzle 10, be formed with outer side slot bottom surface 56, and the spaced apart segment distance in two sides, therefore the high-pressure fluid that rebounds back slightly contacts with nozzle connection 18, thereby can not rebound go back to inner side slot bottom surface 50 once more.Therefore, high-pressure fluid can not become sinuous flow in inside and outside slot space 30,46.The high-pressure fluid that conflicts with inner side slot bottom surface 50 enters from supplying with stream 44, and all going up to spray nozzle front end side right-angle steering advanced along axis direction, advances to entrance hole 32 1 sides in inside and outside slot space 30,46.Because entrance hole 32 openings are formed at the spray nozzle front end side end face 52 of the part of inner side slot space 30 spray nozzle front end side ends, high-pressure fluid is directed to spray nozzle front end side end face 52, easily is directed to entrance hole 32.
The part of high-pressure fluid is conflicted with the spray nozzle front end side end face 58 in outer side slot space 46.Yet, in Weft insertion nozzle 10, because the position of two spray nozzle front end side end faces 52 on axis direction and 58 relation is configured to: make the spray nozzle front end side end face 58 in outer side slot space 46 be in consistent with the spray nozzle front end side end face 52 in inner side slot space 30 local or than it more to the place of reversed nozzle front, add that entrance hole 32 is opened on the spray nozzle front end side end in inner side slot space 30, with the high-pressure fluid after the spray nozzle front end side end face 58 in outer side slot space 46 conflicts, can not flow to the anti-front of nozzle, and can flow to entrance hole 32 at once.Therefore, can prevent because of near the 46 spray nozzle front end side ends of outer side slot space, fluid that flows to the spray nozzle front end side and the stream stream that the flows to anti-front sinuous flow that conflicts and take place.
Enter the high-pressure fluid in outer side slot space 46 and inner side slot space 30, enter ring-type stream 42, be imported into the 1st stream 26, be imported into the 2nd stream 38 from the 1st stream 26 from inner side slot space 30 through a plurality of introducing ports 34.Import the high-pressure fluid of the 2nd stream 38, in the 2nd stream 38 that flow path cross sectional area reduces more toward the downstream more, be compressed and quicken, at jet 40 places that are formed at downstream, from the compression of the 2nd stream 38, obtain liberation, and spray from jet 40 as spraying fluid.
Aforesaid result adopts Weft insertion nozzle 10, compares technology in the past, and the high-pressure spray physical efficiency sinuous flow state does not take place and enters ring-type stream 42 at a high speed, becomes high speed and have the well injection fluid of bringing together property in ring-type stream 42.
With reference to Fig. 4, in the Weft insertion nozzle 60, nozzle body 14 is assembled in nozzle connection 62, and the inner side slot space 30 of outer side slot space 64 relative nozzle bodies 14 that makes nozzle connection 62 is to supplying with the stream 44 lateral deviation hearts.
Outer side slot space 46 is formed jointly by the outer side slot bottom surface 66 of extending to the nozzle-axis direction and spray nozzle front end side end face 68 and reversed nozzle front end face 70.
Outer side slot space 46 is in same position with inner side slot space 30 on the nozzle-axis direction, inner side slot space 30 to supplying with the stream 44 lateral deviation hearts, is extended along the nozzle-axis direction, is communicated with inner side slot space 30.
In another Weft insertion nozzle 60, high-pressure fluid enters inside and outside slot space 30,64 from supplying with stream 44.Inside and outside slot space 30,64 is compared with conventional art, because form the concentrated flow road with big flow path cross sectional area jointly, thereby the pressure loss that the stream impedance on its concentrated flow road reduces on its concentrated flow road reduces.Its as a result high-pressure fluid at a high speed by inside and outside slot space 30,64.
From supplying with the high-pressure fluid that stream 44 enters inside and outside slot space 30,46, conflict with the inner side slot bottom surface 50 in inner side slot space 30, nozzle connection 62 sides rebound back.Yet, because in Weft insertion nozzle 60, outer side slot bottom surface 66 relative inner slot spaces 50 are to supplying with the stream 44 lateral deviation hearts, inside and outside groove bottom 30,66 separates a bigger segment distance at the supply flow trackside, so the high-pressure fluid that rebounds back slightly contacts with outer side slot bottom surface 66, thereby can not rebound go back to inner side slot bottom surface 50 once more.Therefore, high-pressure fluid can not become sinuous flow in inside and outside slot space 30,46, in inside and outside slot space 30,64, enter ring-type stream 42.
Its result adopts Weft insertion nozzle 10, compares technology in the past, and high-pressure fluid also the sinuous flow state can not take place and enter ring-type stream 42 at a high speed, becomes high speed and has the well injection fluid of bringing together property.
With reference to Fig. 5 and Fig. 6, fluid jet type weaving machine 80 is the frames (not shown) that a plurality of Weft insertion nozzles 60 are assembled in loom by nozzle holder 82, common nozzle bracket 84 and screw part 86.Each Weft insertion nozzle 60 is that a kind of outer side slot bottom surface 66 relative inner slot spaces 50 are to the nozzle shown in Figure 4 of supplying with the stream 44 lateral deviation hearts.Each is supplied with stream 44 and is connected in high-pressure fluid source by flexible pipe 88.
Two Weft insertion nozzles 60 do not make the eccentric direction unanimity of outer side slot bottom surface 66 relative inner slot spaces 50, but it is configured to nozzle-axis state near each other, the supply stream 44 of the Weft insertion nozzle 60 of one of them is stretched along the vertical direction, and the supply stream 44 that makes another Weft insertion nozzle 60 along about the stretching, extension of (front and back of loom promptly) direction.
As mentioned above, make outer side slot bottom surface 66 relative inner slot spaces 50 in the loom 80 of a plurality of nozzles 60 of supplying with the stream 44 lateral deviation hearts having, except supplying with stream 44 sides, nozzle connection 82 is little because of imaginary radius of a circle direction size around the nozzle-axis, the position of Weft insertion nozzle 60 mutual chien shih supply flow roads 44 sides by adjacency forms different directions, a plurality of Weft insertion nozzles 60 that have outer side slot space 64 on the nozzle connection 62 can be configured to state near each other.
Weft insertion nozzle 90 as shown in Figure 7 can not form outer side slot bottom surface 66 in anti-stream one side of supplying with yet, and nozzle body 14 is assembled in nozzle connection 62, makes outer side slot bottom surface 66 relative inner slot spaces 50 eccentric significantly to supplying with stream 44 sides.
The present invention is not limited to the foregoing description, only otherwise break away from its aim, can do all changes.
Symbol description
10,60,90 Weft insertion nozzles
12 pins
14 nozzle bodies
16 commutators
18,62 nozzle connections
20 weft yarns
22 through holes
26 the 1st streams
30 inner side slot spaces
32 entrance holes
34 rectification walls
36 rectifier tanks
38 the 2nd streams
40 jets
42 ring-type streams
44 supply with stream
46,64 outer side slot spaces
50 inner side slot bottom surfaces
52,58,68 spray nozzle front end side end faces
54,60,70 reversed nozzle front end faces
56,66 outer side slot bottom surfaces

Claims (4)

1, a kind of Weft insertion nozzle of fluid jet type weaving machine.Comprise: the pin of hollow; The nozzle body that inserts this pin promptly has the nozzle body that forms high-pressure fluid ring-type stream along the inner side slot bottom surface of this nozzle-axis direction extension, simultaneously with aforementioned pin jointly at its outer peripheral face; And the nozzle connection that connects of this nozzle body promptly has along outer side slot bottom surface that the aforementioned axis direction is extended on the through-plane that aforementioned nozzle body connects, the supply stream of high-pressure fluid is at the nozzle connection of aforementioned outer side slot bottom surface opening, it is characterized in that,
Aforementioned inner side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end face form the inner side slot space jointly,
Aforementioned outer side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end face form the outer side slot space that is communicated with aforementioned inner side slot space jointly in nozzle connection,
Aforementioned nozzle body have be communicated with aforementioned inner side slot space and aforementioned ring-type stream a plurality of entrance holes promptly respectively at a plurality of entrance holes of the spray nozzle front end side end opening in aforementioned inner side slot space.
2, Weft insertion nozzle as claimed in claim 1.It is characterized in that, on the aforementioned axis direction, the position of the spray nozzle front end side end face in aforementioned outer side slot space be in consistent with the spray nozzle front end side end face in aforementioned inner side slot space local or than it more to the place of reversed nozzle front.
3, a kind of Weft insertion nozzle of fluid jet type weaving machine comprises: the pin of hollow; The nozzle body that inserts this pin promptly has the nozzle body that forms high-pressure fluid ring-type stream along the inner side slot bottom surface of this nozzle-axis direction extension, simultaneously with aforementioned pin jointly at its outer peripheral face; And the nozzle connection that this nozzle body connects promptly, on the through-plane that aforementioned nozzle body connects, have along outer side slot bottom surface that the aforementioned axis direction is extended, the supply stream of high-pressure fluid is at the nozzle connection of aforementioned outer side slot bottom surface opening, it is characterized in that,
The common inner side slot space that is communicated with aforementioned ring-type stream that forms of aforementioned inner side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end face,
The common outer side slot space that is communicated with aforementioned inner side slot space that forms of aforementioned outer side slot bottom surface and spray nozzle front end side end face and reversed nozzle front end face, aforementioned relatively inner side slot bottom surface is to aforementioned supply flow trackside off-centre simultaneously.
4, a kind of fluid jet type weaving machine is characterized in that, has a plurality of Weft insertion nozzles as claimed in claim 3.
CNB021561214A 2002-12-10 2002-12-10 Pick-blowing nozzle for fluid jet loom and fluid jet loom Expired - Fee Related CN1321233C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB021561214A CN1321233C (en) 2002-12-10 2002-12-10 Pick-blowing nozzle for fluid jet loom and fluid jet loom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB021561214A CN1321233C (en) 2002-12-10 2002-12-10 Pick-blowing nozzle for fluid jet loom and fluid jet loom

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Publication Number Publication Date
CN1506511A CN1506511A (en) 2004-06-23
CN1321233C true CN1321233C (en) 2007-06-13

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CNB021561214A Expired - Fee Related CN1321233C (en) 2002-12-10 2002-12-10 Pick-blowing nozzle for fluid jet loom and fluid jet loom

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09188942A (en) * 1995-11-10 1997-07-22 Tsudakoma Corp Posture controller of pickling nozzle in liquid jet type loom
JP2000034646A (en) * 1998-07-16 2000-02-02 Teijin Ltd Weft inserting nozzle for water-jet loom
CN1275641A (en) * 1999-05-31 2000-12-06 株式会社丰田自动织机制作所 Weft-insertion nozzle of water-jet loom
JP2001192949A (en) * 1999-12-28 2001-07-17 Tsudakoma Corp Weft insertion nozzle for water jet loom

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09188942A (en) * 1995-11-10 1997-07-22 Tsudakoma Corp Posture controller of pickling nozzle in liquid jet type loom
JP2000034646A (en) * 1998-07-16 2000-02-02 Teijin Ltd Weft inserting nozzle for water-jet loom
CN1275641A (en) * 1999-05-31 2000-12-06 株式会社丰田自动织机制作所 Weft-insertion nozzle of water-jet loom
JP2001192949A (en) * 1999-12-28 2001-07-17 Tsudakoma Corp Weft insertion nozzle for water jet loom

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Granted publication date: 20070613

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