CN102139821A - Variable cross-section diversion air duct for automatic bobbin winder - Google Patents
Variable cross-section diversion air duct for automatic bobbin winder Download PDFInfo
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- CN102139821A CN102139821A CN 201110028882 CN201110028882A CN102139821A CN 102139821 A CN102139821 A CN 102139821A CN 201110028882 CN201110028882 CN 201110028882 CN 201110028882 A CN201110028882 A CN 201110028882A CN 102139821 A CN102139821 A CN 102139821A
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Abstract
The invention relates to a variable cross-section diversion air duct for an automatic bobbin winder, belonging to the technical field of an automatic bobbin winder; the diversion air duct is a ladder-shaped cavity; the air duct is provided with air inlet units, an air outlet and an end surface, wherein the air inlet units are evenly distributed on one side surface of the ladder-shaped cavity; and the air outlet is connected with a working fan. The air duct can effectively optimize the flow field of the interior of the air duct, increase the stability of the internal pressure of the air duct and reduce the energy loss.
Description
Technical field
What the present invention relates to is a kind of device of automatic winder technical field, specifically is that a kind of automatic winder is used variable section water conservancy diversion air channel.
Background technology
Automatic winder is last one Fabricating machinery of cotton spinning enterprise, is the key equipment of decision textiles high yield, high-quality, high added value, and it does not have the cop coiled knot tube yarn and remove the yarn defect in winding process.Along with the whole world is growing to the consumption of the energy, the power consumption situation of various device also becomes the emphasis of country and enterprises pay attention.The work of the confidential normal reliable of automatic winding be unable to do without a stable negative pressure and inhales the yarn air channel, and the negative pressure air channel not only provides the work negative pressure for handgrip arm, the big suction nozzle of mechanical arm, also provides the negative pressure support for other mechanisms such as yarn trap, yarn storehouse valves.A stable subnormal ambient is the necessary condition that automatic winder carries out the action of splicing of normal reliable, the stability of air channel internal pressure also directly have influence on splice the action execution can be successful, and the efficient of the action of splicing, thereby have influence on the work efficiency of automatic winder.
At present, the air channel structure of automatic winder is to be made of a rectangular cavity as required, wherein the air channel end face is connected with blower fan, one in air channel has many apertures above the side, one of them automatic winding unit needs four apertures, general air channel model has 60 unit, and other faces are sealing surface.Aperture on the negative pressure demand device of various automatic winders and the side in air channel is connected.The blower fan exhausting, thus the negative pressure of work is provided for negative pressure device.But the direct air inlet in side is very big to the influence of the flow field in the air channel, not only increased the instability that flows, influence the pressure stability in the air channel, and a lot of bigger whirlpools of formation, cause a large amount of losses of energy, because the cross section in air channel equates, also causes more backflow, increased the degradation of energy that flows more.
Find through retrieval prior art, Chen Hao proposes the automatic winder air channel model of variable section in its Master's thesis " the automatic winding machine negative pressure is inhaled the experiment and the numerical value research of yarn air channel pressure balancing system " (Shanghai Communications University's master thesis in 2010), by control the flow of admission port at blower fan direction variable section, though mono-variable section model can embody the uniform characteristics of air draught, but the variation for fluctuation of pressure is relatively more responsive, be unfavorable for the pressure stability in the automatic winder air channel, thereby cause the stability of the automatic winder of under non-permanent situation, working not enough, simultaneously because the not variation of the direction of induction opening, the component that air inlet is flowing in vertical air trunk direction is bigger, form more eddy current, energy charge is still relatively more serious.
Summary of the invention
The present invention is directed to the prior art above shortcomings, provide a kind of automatic winder, make it optimize in-to-in flow field, air channel, increase the air channel internal pressure stabilises and reduce degradation of energy with variable section water conservancy diversion air channel.
The present invention is achieved by the following technical solutions, and described air channel is a ladder cavity, and this air channel is provided with: air inlet unit, air extractor duct and end face, and wherein: the air inlet unit is arranged at the side of ladder cavity, and air extractor duct connects working fan.
Described air extractor duct and end face be the length of side on oblong and the air extractor duct horizontal direction be end face the length of side 1.5-2 doubly.
Described air inlet unit is arranged at the side of ladder cavity with equally spaced distribution mode.
Described air inlet unit comprises: induction opening and mozzle, wherein: mozzle is arranged at the inwall of ladder cavity and links to each other with the induction opening that is arranged at the ladder cavity side.
The length of described mozzle is 1.5～2 times of induction opening diameter, and the side angle of the line of centers of mozzle and ladder cavity is 40 °～60 °.
The present invention works in the following manner: when the blower fan exhausting, when providing the negative pressure of work for negative pressure device, flow and enter the air channel by conduction pipe from the external world, flow to tilt to the blower fan direction, reduced to flow along the journey degradation of energy, the intensity in whirlpool diminishes in the air channel, has reduced the degradation of energy that flows, and has also increased the stability of mobile and pressure simultaneously; The mobile of air channel is unidirectional, the distribution of admission port be average and the size of duct cross-section along with reducing with the increase of blower fan distance, such variable section air channel just makes the flow distribution on each cross section, air channel more even, reduces and refluxes, increase actv. and flow, reach purpose of energy saving.
Description of drawings
Fig. 1 is an external structure view of the present invention.
Fig. 2 is an inner structure view of the present invention.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As illustrated in fig. 1 and 2, the present embodiment device is a ladder cavity, and this air channel is provided with: air inlet unit 1, air extractor duct 2 and end face 3, and wherein: air inlet unit 1 is arranged at the side of ladder cavity, and air extractor duct 2 connects working fan, and air extractor duct 2 and end face 2 are oblong.
Described air extractor duct 2 and end face 3 be the length of side on the horizontal direction of oblong and air extractor duct 2 be end face 3 the length of side 1.5-2 doubly.
Described air inlet unit 1 is arranged at the side of ladder cavity with equally spaced distribution mode.
Described air inlet unit 1 comprises: induction opening 4 and mozzle 6, wherein: mozzle 6 is arranged at the inwall of ladder cavity and links to each other with the induction opening 4 that is arranged at the ladder cavity side.
The length of described mozzle 6 is 1.5～2 times of induction opening 4 diameters, and the line of centers of mozzle 6 and the side of the ladder cavity angle on horizontal surface is 40 °～60 °.
Present embodiment is when work, by the blower fan exhausting, induction opening 4 and mozzle 6 that air communication is crossed unit 1 enter in the ladder cavity, guide functions through mozzle 6, the direction of air-flow changes, tilt to the air suctiton ventilator direction, the direction of air-flow had been impacted original because the eddy current that uprush flows and forms, and makes eddy current diminish or disappears.Reduce the quantity of eddy current in the air channel interior flow field after experimental investigation is found to improve, reduced the consumption of mobile internal energy, energy-conservation relatively about 5%; Air draught is even, and pressure is diminished by the influence of external disturbance, and for same pressure disturbance, the pressure in the chamber changes and reduces about 10%, and cavity pressure is more stable.
Main have bigger change by increasing on the conduction pipe 6 feasible directions that flow, thereby obtain flow field more effectively, and the change of flow field structure makes mobile more effective, stable also increase to some extent in energy-conservation.
Claims (4)
1. an automatic winder is used variable section water conservancy diversion air channel, described water conservancy diversion air channel is a ladder cavity, this air channel is provided with: air inlet unit, air extractor duct and end face is characterized in that: the air inlet unit is evenly distributed on the side of ladder cavity, and air extractor duct connects working fan.
2. automatic winder according to claim 1 is characterized in that with variable section water conservancy diversion air channel, air extractor duct and end face be the length of side on rectangle structure and the air extractor duct horizontal direction be end face the length of side 1.5-2 doubly.
3. automatic winder according to claim 1 is used variable section water conservancy diversion air channel, and it is characterized in that described air inlet unit comprises: induction opening and mozzle, wherein: the length of mozzle is 1.5～2 times of induction opening diameter.
4. automatic winder according to claim 3 is characterized in that with variable section water conservancy diversion air channel described mozzle and the side angular range of angle in the horizontal direction are 40 °～60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110028882 CN102139821A (en) | 2011-01-27 | 2011-01-27 | Variable cross-section diversion air duct for automatic bobbin winder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110028882 CN102139821A (en) | 2011-01-27 | 2011-01-27 | Variable cross-section diversion air duct for automatic bobbin winder |
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| CN102139821A true CN102139821A (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110028882 Pending CN102139821A (en) | 2011-01-27 | 2011-01-27 | Variable cross-section diversion air duct for automatic bobbin winder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014927A (en) * | 2013-01-14 | 2013-04-03 | 马驰 | Variable cross-section duct for cotton comber |
| CN105963003A (en) * | 2016-05-31 | 2016-09-28 | 李兵 | Assembly for oviduct intervention recanalization surgery |
| CN110285436A (en) * | 2019-06-26 | 2019-09-27 | 厦门理工学院 | A kind of variable cross section guiding device |
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| CN1079711A (en) * | 1992-04-11 | 1993-12-22 | 巴马格股份公司 | The suction yarn feeding device that is used for the many yarns that pass through continuously |
| JPH09111558A (en) * | 1995-10-16 | 1997-04-28 | Nisshinbo Ind Inc | Detection of abnormal fly waste in drawframe |
| US5666996A (en) * | 1993-04-16 | 1997-09-16 | Luwa Ag | Forced air cleaning system for textile machines |
| CN1360124A (en) * | 2000-12-12 | 2002-07-24 | 林润泉 | Structure of pressure-varying air-exhausting duct |
| CN1626710A (en) * | 2003-12-11 | 2005-06-15 | 里特机械公司 | Spinning machine comprising a suction system |
| CN1272489C (en) * | 1997-06-20 | 2006-08-30 | 株式会社丰田自动织机制作所 | Duct element for spinning machine |
| CN201447536U (en) * | 2009-08-19 | 2010-05-05 | 江苏中晖纺织机械有限公司 | Air suction duct of roving frame |
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2011
- 2011-01-27 CN CN 201110028882 patent/CN102139821A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079711A (en) * | 1992-04-11 | 1993-12-22 | 巴马格股份公司 | The suction yarn feeding device that is used for the many yarns that pass through continuously |
| US5666996A (en) * | 1993-04-16 | 1997-09-16 | Luwa Ag | Forced air cleaning system for textile machines |
| JPH09111558A (en) * | 1995-10-16 | 1997-04-28 | Nisshinbo Ind Inc | Detection of abnormal fly waste in drawframe |
| CN1272489C (en) * | 1997-06-20 | 2006-08-30 | 株式会社丰田自动织机制作所 | Duct element for spinning machine |
| CN1360124A (en) * | 2000-12-12 | 2002-07-24 | 林润泉 | Structure of pressure-varying air-exhausting duct |
| CN1626710A (en) * | 2003-12-11 | 2005-06-15 | 里特机械公司 | Spinning machine comprising a suction system |
| CN201447536U (en) * | 2009-08-19 | 2010-05-05 | 江苏中晖纺织机械有限公司 | Air suction duct of roving frame |
Non-Patent Citations (1)
| Title |
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| 《工程科技I辑》 20101031 陈皓 自动络筒机负压吸纱风道压力平衡系统的实验与数值研究 28，61-63，70-72 1-4 , * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014927A (en) * | 2013-01-14 | 2013-04-03 | 马驰 | Variable cross-section duct for cotton comber |
| CN105963003A (en) * | 2016-05-31 | 2016-09-28 | 李兵 | Assembly for oviduct intervention recanalization surgery |
| CN110285436A (en) * | 2019-06-26 | 2019-09-27 | 厦门理工学院 | A kind of variable cross section guiding device |
| CN110285436B (en) * | 2019-06-26 | 2024-02-20 | 厦门理工学院 | Variable cross-section guiding device |
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Application publication date: 20110803 |