CN102839487A - Concentrated air jet pipe for air jet loom - Google Patents
Concentrated air jet pipe for air jet loom Download PDFInfo
- Publication number
- CN102839487A CN102839487A CN2012103381928A CN201210338192A CN102839487A CN 102839487 A CN102839487 A CN 102839487A CN 2012103381928 A CN2012103381928 A CN 2012103381928A CN 201210338192 A CN201210338192 A CN 201210338192A CN 102839487 A CN102839487 A CN 102839487A
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- China
- Prior art keywords
- pipeline
- jet
- air jet
- jet pipe
- fumarole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3006—Construction of the nozzles
- D03D47/302—Auxiliary nozzles
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention relates to a concentrated air jet pipe for an air jet loom, which comprises a longitudinally extending pipy body with a closed front end. An air jet hole is formed on the side face of the front end of the body. The concentrated air jet pipe is characterized in that a wall of the air jet hole extends to an inner cavity of the body to form a first pipeline, and a second pipeline extending towards the air jet hole from an inner wall is arranged in the inner cavity at the front end of the body, and connected with the first pipeline. According to the air jet pipe for the air jet loom, the first pipeline communicated with the air jet hole is arranged at the front end of the inner cavity, so as to concentrate airflow jetted from air jet hole, reduce scattered and escaped airflow before and after jetting, and increase jet speed. In addition, the tapered second pipeline connected with the first pipeline and the inner wall of the jet pipe is arranged in the inner cavity of the jet pipe, so that the airflow is compressed in advance in the first step, the direction of the airflow is controlled, the pressure loss of the airflow in the inner cavity of the jet pipe is reduced, and the flow rate is increased.
Description
Technical field
The present invention relates to a kind of parts of field of textiles air-jet loom, relate in particular to a kind of jet pipe of air-jet loom pilot jet.
Background technology
Air-jet loom is to adopt the jet-stream wind weft traction to pass through the shuttleless loom of shed open, and critical piece comprises main burner, and pilot jet and profiled steel reed, air-flow spray from main burner and pilot jet and carry out the wefting insertion operation.Pilot jet is made up of with the sleeve that is sheathed on the outside, jet pipe rear end the jet pipe of front end sealing, and jet pipe front end side is provided with a fumarole, and compressed air gets into the jet pipe inner chamber through conveyance conduit from the jet pipe rear end; And forward end is carried; Because jet pipe front end inner chamber is 360 ° of spaces freely with respect to fumarole, cause the air-flow concentration degree that sprays from fumarole not high, easily loss; And in the jet pipe inner chamber; Airflow is outside the linear passages that the fumarole direction flows, and air-flow flows in its complementary space also can reduce pressure, causes waste.
Summary of the invention
The present invention has overcome the deficiency of prior art, provides a kind of simple in structure, jet concentrating, and air-flow and stream pressure loss are little, improve the air-jet loom jet pipe of speed.
For achieving the above object; The technical scheme that the present invention adopts is: a kind of jet concentrated air-jet loom jet pipe, comprise that lengthwise extends the pipe shape body of front end sealing, and said body front end side is provided with a fumarole; It is characterized in that: the hole wall of said fumarole extends to chamber body; Form first pipeline, be provided with second pipeline that extends to said fumarole direction by inwall in the said body front end inner chamber, and join with said first pipeline.
In preferred embodiment of the present invention; Comprise that further said first pipeline tilts to said body rear end; The axis of first pipeline is with respect to 9-10 ° of body cross-section direction inclination, and the internal diameter of said second pipeline reduces to said fumarole direction vertically gradually, forms conical cavity.
In preferred embodiment of the present invention, comprise further between said first pipeline and second pipeline linking to each other that the angle of the axis of the 3rd pipeline and body cross-section direction is greater than the axis of said first pipeline and the angle of body cross-section direction by the 3rd pipeline.
In preferred embodiment of the present invention, further comprise the angle of the angle of said the 3rd conduit axis and body cross-section direction less than said second pipe side wall and body cross-section.
In preferred embodiment of the present invention, further comprise said first pipeline and the 3rd pipeline arc smooth connection, the 3rd pipeline and the second pipeline arc smooth connection.
In preferred embodiment of the present invention, the edge that further comprises said fumarole is a curved edge.
The invention solves the defective that exists in the background technology; Air-jet loom jet pipe of the present invention is provided with first pipeline that is communicated with fumarole at the inner chamber front end; Air-flow is shunk, concentrates before the fumarole ejection, reduce the air-flow that scatters and escape before and after the ejection, improve jet velocity.Simultaneously, taper second pipeline that connects first pipeline and nozzle wall is set in the jet pipe inner chamber, the first step shifts to an earlier date compressed air stream, and the control airflow direction reduces the pressure loss of air-flow in the jet pipe inner chamber, increases flow velocity.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Fig. 2 is the enlarged diagram of part shown in Figure 1;
Among the figure: 1, front end, 2, body, 21, inner chamber, 22, inwall, 3, the rear end, 4, fumarole, 41, the edge, 6, first pipeline, 8, second pipeline, the 12, the 3rd pipeline.
The specific embodiment
Combine accompanying drawing and embodiment that the present invention is done further detailed explanation now, these accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Shown in Fig. 1-2, a kind of jet concentrated air-jet loom jet pipe of the present invention comprises that lengthwise extends the pipe shape body 2 of the protruding spherical sealing of front end, and the side that body 2 front ends parallel to the axis is provided with a fumarole 4.The hole wall of fumarole 4 extends to body 2 inner chambers 21 straight lines; Form columned first pipeline 6 of inner chamber; First pipeline 6 tilts to body 2 rear ends; The axis of first pipeline 6 is with respect to 9-10 ° of body 2 cross-sectional direction inclination, and the edge 41 of fumarole 4 is body 2 sides and first pipeline, the 6 level and smooth curved edges that link to each other.Be provided with second pipeline 8 that extends to said fumarole 4 directions by inwall 22 in the body 2 front end inner chambers 21; The internal diameter of second pipeline 8 reduces to said fumarole 4 directions vertically gradually; Form conical cavity, an end of second pipeline 8 and 22 seamless links of body 2 inwalls.Link to each other by the 3rd pipeline 12 between first pipeline 6 and second pipeline 8; The angle of the axis of the 3rd pipeline 12 and body 2 cross-sectional direction is greater than the axis of said first pipeline 6 and the angle of body 2 cross-sectional direction, and less than the angle of said second pipeline, 8 sidewalls and body 2 cross sections.The axial length of first pipeline 6 is the 1/5-1/3 of chamber body 21 diameters.The cavity shape of first pipeline 6 is not limited to the cylindrical of present embodiment, also can be straightedge column or cone shape.First pipeline 6 and 12 in the 3rd pipeline can adopt the arc smooth connection, and promptly fillet connects, the 3rd pipeline 12 also with the 8 arc smooth connections of second pipeline.
During work, compressed air 3 gets into jet pipe inner chambers 21 through conveyance conduit from the jet pipe rear end, and carries to body 2 front ends 1; When getting into coniform second pipeline 8 that shrinks gradually; Quickened for the first time, through the buffering of the 3rd pipeline 12, got into first pipeline 6 subsequently; The 3rd pipeline 12 has reduced the turning size of air-flow from second pipeline, 8 to first pipelines 6 glide paths, and the fillet together with three pipelines between adjacent connects and reduces air-flow and change the pressure that the flow direction is lost because of meeting with obstruction.First pipeline 6 makes the air-flow reduced to the diameter that equals fumarole 4, to the escape that scatters of other direction, makes the air flow jetting direction more concentrated when reducing air-flow by fumarole 4 ejections, helps improving the operating efficiency and the quality of pilot jet.On the other hand, the protruding spherical blind end inner space of spout body 2 is positioned at fumarole 4 front ends, causes the air-flow waste of inflow, and the pipeline that body 2 inner chambers 21 directly lead to fumarole 4 is set, and helps to reduce this waste.
Above foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must confirm technical scope according to the claim scope.
Claims (6)
1. jet concentrated air-jet loom jet pipe; Comprise that lengthwise extends the pipe shape body of front end sealing; Said body front end side is provided with a fumarole, and it is characterized in that: the hole wall of said fumarole extends to chamber body, forms first pipeline; Be provided with second pipeline that extends to said fumarole direction by inwall in the said body front end inner chamber, and join with said first pipeline.
2. jet concentrated air-jet loom jet pipe according to claim 1; It is characterized in that: said first pipeline tilts to said body rear end; The axis of first pipeline is with respect to 9-10 ° of body cross-section direction inclination; The internal diameter of said second pipeline reduces to said fumarole direction vertically gradually, forms conical cavity.
3. jet concentrated air-jet loom jet pipe according to claim 2; It is characterized in that: linked to each other by the 3rd pipeline between said first pipeline and second pipeline, the angle of the axis of the 3rd pipeline and body cross-section direction is greater than the axis of said first pipeline and the angle of body cross-section direction.
4. jet concentrated air-jet loom jet pipe according to claim 3, it is characterized in that: the angle of said the 3rd conduit axis and body cross-section direction is less than the angle of said second pipe side wall and body cross-section.
5. jet concentrated air-jet loom jet pipe according to claim 4 is characterized in that: said first pipeline and the 3rd pipeline arc smooth connection, the 3rd pipeline and the second pipeline arc smooth connection.
6. jet concentrated air-jet loom jet pipe according to claim 5, it is characterized in that: the edge of said fumarole is a curved edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103381928A CN102839487A (en) | 2012-09-13 | 2012-09-13 | Concentrated air jet pipe for air jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103381928A CN102839487A (en) | 2012-09-13 | 2012-09-13 | Concentrated air jet pipe for air jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102839487A true CN102839487A (en) | 2012-12-26 |
Family
ID=47367193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103381928A Pending CN102839487A (en) | 2012-09-13 | 2012-09-13 | Concentrated air jet pipe for air jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102839487A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304269A (en) * | 1979-03-15 | 1981-12-08 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Weft guiding comb for a jet loom |
| JPH01174641A (en) * | 1987-12-26 | 1989-07-11 | Nissan Motor Co Ltd | Auxiliary nozzle of air jet type loom |
| EP0541489A1 (en) * | 1991-11-07 | 1993-05-12 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Sub nozzle in a jet loom |
| NL1001277C1 (en) * | 1995-09-25 | 1997-03-26 | Te Strake Bv | Loom blower useful for propelling threads over the width of the cloth |
| WO2004057080A1 (en) * | 2002-12-19 | 2004-07-08 | Picanol N.V. Naamloze Vennootschap | Blowing nozzle for supporting a weft thread in a weaving machine |
| CN1928179A (en) * | 2006-09-28 | 2007-03-14 | 东华大学 | High speed streamline auxiliary nozzle |
| CN202766735U (en) * | 2012-09-13 | 2013-03-06 | 吴江市隆泰喷织厂 | Air jet loom jet tube capable of jetting air intensively |
-
2012
- 2012-09-13 CN CN2012103381928A patent/CN102839487A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304269A (en) * | 1979-03-15 | 1981-12-08 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Weft guiding comb for a jet loom |
| JPH01174641A (en) * | 1987-12-26 | 1989-07-11 | Nissan Motor Co Ltd | Auxiliary nozzle of air jet type loom |
| EP0541489A1 (en) * | 1991-11-07 | 1993-05-12 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Sub nozzle in a jet loom |
| NL1001277C1 (en) * | 1995-09-25 | 1997-03-26 | Te Strake Bv | Loom blower useful for propelling threads over the width of the cloth |
| WO2004057080A1 (en) * | 2002-12-19 | 2004-07-08 | Picanol N.V. Naamloze Vennootschap | Blowing nozzle for supporting a weft thread in a weaving machine |
| CN1928179A (en) * | 2006-09-28 | 2007-03-14 | 东华大学 | High speed streamline auxiliary nozzle |
| CN202766735U (en) * | 2012-09-13 | 2013-03-06 | 吴江市隆泰喷织厂 | Air jet loom jet tube capable of jetting air intensively |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |