CN100352982C - Spinning machine - Google Patents
Spinning machine Download PDFInfo
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- CN100352982C CN100352982C CNB021017972A CN02101797A CN100352982C CN 100352982 C CN100352982 C CN 100352982C CN B021017972 A CNB021017972 A CN B021017972A CN 02101797 A CN02101797 A CN 02101797A CN 100352982 C CN100352982 C CN 100352982C
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- suction tube
- spinning
- suction
- throttling arrangement
- spinning machine
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Abstract
The present invention relates to a spinner with multiple spinning units, particularly to a ring frame. Each unit is provided with a drawing unit between a fiber supplying device and a spinning device, suction pipes which are arranged on at least majorities of the units are guided by the fiber supplying device and the spinning device, and each suction pipe is connected to at least one common suction passage connected with a sub air pressure source. The present invention is based on the following facts that throttling devices are arranged in a part of suction pipes, the throttling devices at least have particular sizes which cause that air quantity flows through each throttling device, and at least pressure states which are basically identical exist in suction openings of the drawing units attached to the suction pipes.
Description
Technical field
The present invention relates to a kind of spinning machine, particularly have the ring throstle of many spinning unit.
Technical background
Knownly in the drafting unit of a ring throstle, be provided with the fiber that suction tube siphons away loose fibres or flies out around, and they be transported to a fiber separation device by a center suction tube.The aspirator of each spinning unit has a specific function in the coagulation type spinning, wherein be provided with a perforated cage or screen cloth band, be used for before twisting thread condensing fiber strand (referring to for example DE-OS 198 05 397 A1 or DE 198 46 268 A1) from the drafting unit outlet gap with pneumatic method in the exit of drafting unit or in the outlet back.
Aspirator problem in the drafting unit zone of ring throstle is central source, the particularly exhauster(-tor on all independent suction tubes about sub-air pressure, it is to be used for siphoning away the air of equal amount at least basically, so that keep equal aerodynamic condition in all yarning parts.In the coagulation type spinning, under the cohesion surface of porous, should keep the sub-air pressure of 50-200mm water column, preferably 60-90mm, the particularly constant as far as possible sub-air pressure of about 75mm water column.But rule of thumb the surface is identical to a great extent even the suction layout design in each independent spinning unit becomes, and the sub-air pressure from the spinning unit to the spinning unit still has suitable change.
Summary of the invention
The fine spining machine that the purpose of this invention is to provide a kind of above-mentioned form wherein can obtain identical stream condition without a doubt in all spinning units, thereby can guarantee uniform yarn qualities in all spinning units.
The present invention proposes to have the spinning machine of many spinning unit, wherein said each unit has a drafting unit between a fiber supply and a spinning apparatus, and wherein in most at least said units, have at least a suction tube to guide between fiber supply and spinning apparatus, each described suction tube is connected with a common suction channel that is connected with a sub-pneumatic supply at least; It is characterized in that: at least a portion suction tube is to be designed so that like this to be provided with throttling arrangement at least in a part of suction tube, wherein exists same at least basically pressure state in the pump orifice of all drafting units that are attached to these suction tubes and each suction tube flows through same basically air capacity at least.Therefore purpose of the present invention can be found out by a suction layout drawing of guiding drafting unit into from the center suction tube and/or guiding to the pump orifice of drafting unit back.Throttling arrangement, particularly nozzle for example are set like this, make the identical pressure ratio of maintenance in the pump orifice of all spinning units, and the air capacity of particularly institute's sucking-off all equates, thereby guarantee even yarn qualities in all spinning units.
Change to the air mass flow of independent spinning unit also can realize by the control valve that is arranged in the suction tube in principle.But from the cost viewpoint, adopting independent nozzle is a particularly advantageous way.
May be achieved after the following steps: after fine spining machine installs, at first to measuring from the air capacity of independent spinning unit institute sucking-off, the nozzle of an additional appropriate size in each suction tube then.Because its commutativity can replace one with more suitable nozzle through the inapplicable nozzle of proof at any time.For contaminated nozzle, commutativity also is favourable in addition.
Independent suction tube also should be designed to conform to of the present invention.
Particularly preferred application has the present invention of coagulation type spinning, and wherein the accurate adjustability to the air capacity in each independent suction tube acquires a special sense, because the amplitude of the sub-air pressure in the condensation region has king-sized influence to yarn qualities.Just be applied in principle in other aspirators in drafting unit intra-zone and zone in its front and back.
Owing to pressure loss increases along the center suction tube, so the perforate of throttling arrangement should be able to guarantee identical pressure ratio, the particularly air capacity of Xiang Denging in independent pump orifice usually.
According to another preferred embodiment, throttling arrangement is to regulate with respect to their bore size.
The suction tube that is provided with described throttling arrangement is directed in the center suction channel of spinning machine, and wherein throttling arrangement is adjusted to equal air output individually.
Description of drawings
Now the embodiment by accompanying drawing the present invention is explained as follows, wherein:
Fig. 1 is by the skeleton diagram of a spinning unit of ring throstle of the present invention, wherein for represent clear for the purpose of, drafting unit is represented around a vertical axis half-twist.
The summary side elevation of the ring throstle of Fig. 2 in drafting unit zone and cohesion zone subsequently.Wherein for clarity sake drafting unit and the pneumatic coacervation device that is located at the exit also around a vertical axis and half-twist is represented.
Fig. 3 depends on apart from the diagrammatic illustration of the strictness of the distance of the central source of sub-air pressure for the nozzle bore size, and
Fig. 4 passes through a cross section of an adjustable nozzle in suction tube.
The specific embodiment
According to Fig. 1, a rove is fed on a pair of roller 12 of drafting unit 11 from a roving bobbin 24.Between a pair of input roller 12 and a pair of center roller 13 subsequently by with the cooperation of belt 13 ', formed a preliminary draft in a conventional manner.
At a pair of belt 13 ' a pair of delivery roller is arranged afterwards, it comprises a perforated cage 15 and an output pressurization roller 14, in screen cloth tube 15 inside one suction box 16 is arranged, it leads on the center suction tube 18 by a suction tube 20, and enters one to perforated cage 15 and become in the air duct groove of operation obliquely along circumferential edges or with it.
Apart from 14 1 angular distance places of output pressurization roller, there is a twisting restriction roller 17 to be pressed on the perforated cage 15 by the traffic direction of belt.Rove 28 carries out drawing-off in common mode in drafting unit 11 inside, then with pneumatic mode at roller 14, condense between 17, from being left as a yarn 29 of twisting by perforated cage 15 and twisting restriction roller 17 formed twisting restriction gaps, it is introduced to spinning apparatus 25 and produces the required spinning twist from twisting restriction roller 17 at last.
Be provided with another suction tube 21 between a pair of belt and output pressurization roller 14, it is connected with the first center suction tube 19 and is used as gas channel, and Fig. 1 is only as summary explanation, and under normal circumstances, suction tube 21 is the belows that are positioned at cohesion pump orifice 30.
In two suction tubes 20 and 21, all be provided with the independent throttling measure of a nozzle 22 and/or 23 forms, be used for the air capacity of suction box 16 and/or 21 sucking-offs of suction tube is adjusted to a required value.
From Fig. 2 as seen, under each situation, the independent suction tube 20,21st of all spinning units is connected to a common central suction tube 18 and/or 19, is provided with exhauster(-tor 26 and/or 27 at their end, is used for producing in suction tube 18,19 sub-atmospheric pressure states.Two suction tubes 20,21 also can only be connected to central suction tube 18.According to Fig. 1, this can realize that this pipeline links to each other suction tube 21 with central suction tube 18 as the pipe 40 of feeding that utilization is illustrated by the broken lines.
About distance problem from exhauster(-tor 26, since along center suction tube 18 when the distance of exhauster(-tor 26 increases, will produce pressure and fall, should be bigger in perforate 32 than the nozzle perforate 32 at close exhauster(-tor 26 places apart from the nozzle 22 of larger part from exhauster(-tor 26.
Fig. 4 represents that roughly one has the nozzle 22 of governor motion of the effective dimensions that is used for changing perforate 32 and/or 23 preferred embodiment.Corresponding with it, except nozzle perforate 32, also be provided with a lid 34 that can rotate round a vertical axle 33 of placing with nozzle 22 and/or 23, the form with a protrusion 35 is engaged in the peripheral groove 36 of an adjusting nut 37 on the opposite of axle 33 for it, described nut is carried on the lead screw shaft 38, lead screw shaft 38 can be rotated, but axially be can not be fixed on movably nozzle 22 and/or 23 and/or their installing plate on, and an operation knob 39 is arranged in the lead screw shaft end.
By with a certain or other direction turning knob 39, adjusting nut 37 just can be by one of double-head arrow or other direction and is moved.The low side of the lid 34 among Fig. 4 is driven forward or is retreated at this moment.If operation knob 39 rotates like this lid 34 is rotated in a clockwise direction,, thereby make corresponding the reducing in cross section of effective passage of air so it just enters the section with perforate 32.
Adopt the nozzle control governor gear of pressing Fig. 4, correct nozzle perforate can be regulated so simply, for example utilizes a measuring wind speed instrument measurement to be drawn into the air capacity of each spinning unit, utilizes operation knob 39 to carry out fine tuning then, reaches a predetermined value.
But people operate the nozzle with predetermined openings size for the reason on the cost usually.But these nozzles 22,23 should be able to be installed with insertion, for example preferably insert in the suction tube 20,21 by trough.The selection of correct jet size for example can be carried out like this, promptly at first under without the nozzle operation exhauster(-tor in each spinning unit 26,27 is measured.The nozzle 22,23 of selecting each spinning unit to use then like this makes them after inserting suction tube 20,21, and the throughput in all suction tubes 20,21 equates at least basically.
For example it is important that when nozzle was polluted or found afterwards that selected nozzle was not the size that belongs to correct, nozzle 22,23 can be changed at any time.
Advantageous applications scope by throttling arrangement of the present invention is relevant with the coagulation type spinning, and wherein the stream condition in the condensation region requires to equate that exactly this is a particular importance.
Claims (6)
1. the spinning machine that has the many spinning unit, wherein said each unit has a drafting unit (11) between a fiber supply (24) and a spinning apparatus (25), and wherein in most at least said units, has a suction tube (20 at least, 21) guiding between fiber supply (24) and spinning apparatus (25), each described suction tube is connected with a common suction channel (18,19) that is connected with a sub-pneumatic supply (26,27) at least; It is characterized in that: at least a portion suction tube (20,21) be to be designed so that so at least at a part of suction tube (20,21) be provided with throttling arrangement (22 in, 23), wherein be attached to these suction tubes (20, exist same at least basically pressure state in the pump orifice of all drafting units 21) (30,31) and each suction tube flows through same basically air capacity at least.
2. according to the spinning machine of claim 1, it is characterized in that: each throttling arrangement is the independent nozzle (22,23) that is designed to be inserted in the affiliated suction tube (20,21).
3. according to the spinning machine of claim 2, it is characterized in that: nozzle (22,23) can be substituted in each suction tube (20,21).
4. according to the spinning machine of claim 1 or 2, it is characterized in that: the size of the perforate (32) of throttling arrangement (22,23) along with throttling arrangement (22,23) from the increase of the distance of affiliated sub-pneumatic supply (26,27) and increase.
5. according to the spinning machine of claim 1 or 2, it is characterized in that: the effective dimensions of the perforate (32) of at least one throttling arrangement (22,23) is can pass through adjusting device (33,34,35,36,37,38,39) to change.
6. according to the spinning machine of claim 1 or 2, it is characterized in that: the suction tube that is provided with described throttling arrangement (22,23) is directed in the center suction channel of spinning machine, and throttling arrangement (22,23) is adjusted to equal air output individually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021017972A CN100352982C (en) | 2002-01-18 | 2002-01-18 | Spinning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021017972A CN100352982C (en) | 2002-01-18 | 2002-01-18 | Spinning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1432674A CN1432674A (en) | 2003-07-30 |
| CN100352982C true CN100352982C (en) | 2007-12-05 |
Family
ID=27627385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021017972A Expired - Fee Related CN100352982C (en) | 2002-01-18 | 2002-01-18 | Spinning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100352982C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994178A (en) * | 2009-08-06 | 2011-03-30 | 欧瑞康纺织有限及两合公司 | Ring spinning machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395389C (en) * | 2004-04-20 | 2008-06-18 | 东华大学 | New type uniform diffuser for flow field |
| EP2161356B1 (en) * | 2008-09-03 | 2012-10-31 | Maschinenfabrik Rieter Ag | Spinning frame with a pneumatic condensing device |
| ITMI20110978A1 (en) * | 2011-05-30 | 2012-12-01 | Savio Macchine Tessili Spa | SUCTION DEVICE FOR SERVICE TROLLEYS FOR OPEN-END YARNS |
| DE102015108706A1 (en) * | 2015-06-02 | 2016-12-08 | Maschinenfabrik Rieter Ag | Spinning a Luftspinnmaschine and method for operating the same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6081322A (en) * | 1983-10-08 | 1985-05-09 | Toyoda Autom Loom Works Ltd | Apparatus for distributing compressed air in air twisting type spinning machine |
| US5048281A (en) * | 1988-10-26 | 1991-09-17 | Schubert & Salzer Maschinenfabrik Aktiengesellschaft | Process and device for the adjustment of an air spinning device |
| US5600872A (en) * | 1993-07-14 | 1997-02-11 | Artzt; Peter | Double-belt draw frame |
| DE19807894A1 (en) * | 1998-02-25 | 1999-08-26 | Rieter Ag Maschf | Spinning machine with a number of spinning stations each with a sliver condenser |
| US6161258A (en) * | 1998-08-26 | 2000-12-19 | Fritz Stahlecker | Spinning machine having a plurality of spinning stations |
| DE19933747A1 (en) * | 1999-07-19 | 2001-01-25 | Stahlecker Fritz | Spinning machine with multiple spinning positions, each with drafting arrangement for unspun fibrous band, includes individual modular suction unit for each position |
| DE10017209A1 (en) * | 2000-04-06 | 2001-10-11 | Rieter Ag Maschf | Spinning machine suction system, has suction tubes and suction units at the workstations with a sensor linked to a control, to set the fans for equal pressure or underpressure conditions at each point |
-
2002
- 2002-01-18 CN CNB021017972A patent/CN100352982C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6081322A (en) * | 1983-10-08 | 1985-05-09 | Toyoda Autom Loom Works Ltd | Apparatus for distributing compressed air in air twisting type spinning machine |
| US5048281A (en) * | 1988-10-26 | 1991-09-17 | Schubert & Salzer Maschinenfabrik Aktiengesellschaft | Process and device for the adjustment of an air spinning device |
| US5600872A (en) * | 1993-07-14 | 1997-02-11 | Artzt; Peter | Double-belt draw frame |
| DE19807894A1 (en) * | 1998-02-25 | 1999-08-26 | Rieter Ag Maschf | Spinning machine with a number of spinning stations each with a sliver condenser |
| US6161258A (en) * | 1998-08-26 | 2000-12-19 | Fritz Stahlecker | Spinning machine having a plurality of spinning stations |
| DE19933747A1 (en) * | 1999-07-19 | 2001-01-25 | Stahlecker Fritz | Spinning machine with multiple spinning positions, each with drafting arrangement for unspun fibrous band, includes individual modular suction unit for each position |
| DE10017209A1 (en) * | 2000-04-06 | 2001-10-11 | Rieter Ag Maschf | Spinning machine suction system, has suction tubes and suction units at the workstations with a sensor linked to a control, to set the fans for equal pressure or underpressure conditions at each point |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994178A (en) * | 2009-08-06 | 2011-03-30 | 欧瑞康纺织有限及两合公司 | Ring spinning machine |
| CN101994178B (en) * | 2009-08-06 | 2014-09-10 | 索若德国两合股份有限公司 | Ring spinning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1432674A (en) | 2003-07-30 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20071205 Termination date: 20160118 |
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| EXPY | Termination of patent right or utility model |