CN1330806C - Method and device for end forming of yarn in jet spinning machine - Google Patents
Method and device for end forming of yarn in jet spinning machine Download PDFInfo
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- CN1330806C CN1330806C CNB021231222A CN02123122A CN1330806C CN 1330806 C CN1330806 C CN 1330806C CN B021231222 A CNB021231222 A CN B021231222A CN 02123122 A CN02123122 A CN 02123122A CN 1330806 C CN1330806 C CN 1330806C
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- repiece
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Abstract
A method for forming end on air spinning machine, wherein the yarns (32) between the draw-out mechanism (4) and winding mechanism (9) are subject to negative pressure at the beginning of drawing out of the yarns in the latest time, the negative pressure is acted on the yarn (32) loop entered into the working negative pressue tube (10). After the normal winding speed is restored, the yarn (32) inside the negative pressue tube (10) is used up and the negative pressure is cut off. The method can be used to all the air spinning machine and like device. The reasons lie in that yarn suction hole (101) of negative pressure tube (10) is provided for storing spun-out yarns (32) temporarily after the spinning is finished in adjacent to each working mechanisms of yarn channel between draw-out mechanism (4) and winding mechansim. The negative pressue tube (10) is a component of working mechanisms of air spinning machine and is connected with a negative pressure source (1014) in a controllable manner.
Description
Technical field
The present invention relates to a kind of method that on open-end spinning frame, makes the yarn repiece, the step of carrying out yarn and the work of rotor preparation repiece on the spinning machine of safeguarding (attending) device is housed at these, and on these spinning machines, manually finishes the step of such yarn and the work of rotor preparation repiece.
The invention still further relates to the device that makes the yarn repiece on the open-end spinning frame, comprise a plurality of operating mechanisms that set gradually each other, each operating mechanism comprises that yarn produces spinning mechanism, yarn is pulled away from mechanism and yarn winding device.
Background technology
In the repiece process of open-end spinning frame, comprise with the repiece yarn ends insert in the rotor, yarn begins to be pulled away from and to be begun around yarn by rotor, yarn is pulled away from speed and has caused being pulled away from yarn in the part between mechanism and the yarn winding device around the difference of yarn speed when the spinning stage begins and takes place laxly, stretches tight tightly inadequately and is wound into coil on the bobbin surface.Such coil is reeled later yarn treatment is caused harmful effect and causes the defective of final products, for example in dyeing, owing to yarn not in the winding process fluctuation of yarn tension cause yarn breakage.
In the self-acting mule of attending device is housed, overcome this defective in the following manner, promptly at first make the yarn repiece by attending device, when being pulled away from and reeling, the beginning yarn controls yarn winding device at least till reaching steady-working state then, only bobbin and yarn are passed to being pulled away from and winding mechanism of operating mechanism of machine then, can make attending device move to another operating mechanism thus.This process has prolonged operating mechanism and has safeguarded the required time, and if the high production rate spinning machine then requires to use a plurality of attending devices.
In manual operation or semi-automatic spinning machine, do not address this problem at all, reduced the yarn qualities in the particularly semi-automatic spinning machine, operator's manual operation cleaning rotor and prepare yarn for repiece only in the repiece process is wherein promptly finished the expansion and the metering of required length of yarn and yarn is imported the spinning-in system of machine works mechanism.By operating mechanism and/or finish all by the control device of machine other comprises the repiece step of timing.But, be pulled away from speed or around yarn speed by adjusting, can not avoid after the repiece since operating mechanism be pulled away from and yarn winding device between Yarn relaxation, thereby form coil because by the non-adjusting of Machinery Design fixed the speed of being pulled away from and around yarn speed.
Summary of the invention
The objective of the invention is to solve existing problem in the above-mentioned prior art.
According to the present invention, a kind of method that makes the yarn repiece on open-end spinning frame is provided, each operating mechanism of this spinning machine is equipped with the parts that are used to finish final repiece step, wherein manually finish rotor and prepare repiece step and yarn preparation repiece step, send the order of the final repiece step of beginning by manual operation, this step comprises at least: begin the single head fibre transportation in rotor, yarn repiece end is dropped on the collection surface of rotor, and the beginning yarn is pulled away from and reels, and finish final repiece step by the suitable components of machine works mechanism, it is characterized in that, at the latest in the moment that begins to be pulled away from yarn, negative pressure is used in suction yarn hole to operating mechanism's negative pressure pipe, owing to be inhaled into and inhale in the yarn hole beginning in the spinning stage to be pulled away from the yarn coil that forms between mechanism and the yarn winding device around the yarn underspeed, after returning to its conventional working value around yarn speed, yarn coil in the negative pressure pipe is reduced to full consumption continuously, the negative pressure pipe of the mechanism that quits work then and being connected of negative pressure source.
According to the present invention, a kind of method that makes the yarn repiece in the operating mechanism of open-end spinning frame also is provided, the step that comprises yarn preparation repiece, rotor is prepared the step of repiece, final repiece step, at least comprise and begin sliver is transported to during single fiber makeup puts, single fiber makeup by the rotor outside is put delivered yarn through preset time at interval, yarn repiece end is dropped on the collection surface of rotor, and the beginning yarn is pulled away from and reels, close optional moment in the process in moment of closing fully of spinning mechanism and/or in spinning moment of beginning of mechanism and/or in spinning mechanism, finish the timing of final repiece step, it is characterized in that, at the latest when beginning to be pulled away from yarn, negative pressure is used in suction yarn hole to operating mechanism's negative pressure pipe, owing to be inhaled into and inhale in the yarn hole beginning in the spinning stage to be pulled away from the yarn coil that forms between mechanism and the yarn winding device around the yarn underspeed, after returning to its conventional working value around yarn speed, yarn coil in the negative pressure pipe is reduced to full consumption continuously, the negative pressure pipe of the mechanism that quits work then and being connected of negative pressure source.
According to the present invention, a kind of method that makes the yarn repiece on open-end spinning frame also is provided, this open-end spinning frame is equipped with attending device, this attending device is suitable for moving and finish at least some spinning recovering step in the operating mechanism that needs are safeguarded along the operating mechanism of machine, wherein attending device finish rotor prepare repiece step and the yarn step of preparing repiece, comprise and make yarn enter its preparation string-up position in operating mechanism, and a part of yarn is retained in the repiece parts of attending device, this attending device begins final repiece step then, at least comprise and beginning the single head fibre transportation in rotor, the repiece yarn ends is dropped on the collection surface of rotor, and the beginning yarn is pulled away from and reels, it is characterized in that, at the latest in moment that yarn is pulled away from, attending device sends signal and uses negative pressure with the suction yarn hole to operating mechanism's negative pressure pipe, attending device stops its work in the operating mechanism that is safeguarded after having finished final repiece step, be pulled away from yarn between mechanism and the yarn winding device simultaneously and be subjected to suction function from the suction yarn hole of negative pressure pipe, owing to beginning the spinning stage around the yarn underspeed, the yarn that is pulled away between mechanism and the yarn winding device takes place lax and the formation yarn coil, this yarn coil is inhaled in the negative pressure pipe, thus when returning to its routine work value around yarn speed, yarn coil in the negative pressure pipe reduces to full consumption continuously, the negative pressure pipe of the mechanism that then quits work and the connection between the negative pressure source.
According to the present invention, a kind of device that is used for finishing above-mentioned arbitrary described method on open-end spinning frame also is provided, the operating mechanism that comprises a plurality of settings adjacent one another are, each operating mechanism comprises that yarn produces spinning mechanism, yarn is pulled away from mechanism and yarn winding device, it is characterized in that, each operating mechanism is equipped with the suction yarn hole of negative pressure pipe, is used for the spun yarn of interim storage after spinning, and the negative pressure pipe is the parts of open-end spinning frame operating mechanism and controllably connects negative pressure source.
Reduce or overcome fully the shortcoming of above-mentioned background technology by the method that on open-end spinning frame of the present invention, makes the yarn repiece, its principle is, at least when yarn is pulled away from beginning, suction yarn hole to the negative pressure pipe of operating mechanism applies negative pressure, the Yarn relaxation that causes yarn to be pulled away between mechanism and the yarn winding device around the yarn underspeed when beginning to spin the stage consequently produces yarn coil, this yarn coil is sucked this hole, then the yarn coil in the negative pressure pipe begins to dwindle with increase to its standard operation value around yarn speed, up to complete obiteration, the negative pressure pipe of the mechanism that quits work thus connects.In this mode, prevented from therefore to have improved yarn qualities by the deposition of coil in final package of lax yarn generation.
In the spinning incipient stage, in the negative pressure pipe that yarn is sucked open-end spinning frame operating mechanism, kept enough around yarn tension.This method can be applied to all open-end spinning frames, but in complete manually operated machine, particularly owing to adopt such machine to obtain low quality and the unsettled joint of quality (piecer), thinks that its application is unnecessary.
Method of the present invention can be applied to semi-automatic open-end spinning frame effectively especially, wherein manually finish rotor and yarn repiece and prepare, and final repiece step is finished by the parts of machine works mechanism.From yarn treatment viewpoint subsequently, institute's quality of yarn that spins and be improved and greatly satisfied requirement around yarn quality.
Method of the present invention also can be effectively applied to semi-automatic open-end spinning frame, ground beginning or finish when wherein at least some final repiece steps are close moment correlometers with spinning structure.
Method of the present invention can also be effectively applied to be equipped with the automatic open-end spinning frame of attending device, these attending devices are finished the step and the final repiece step of all yarns and rotor preparation repiece, at least comprise: begin single fiberization (singled-out) yarn is transported in the rotor, the repiece end of yarn is dropped on the collection surface of rotor, and the beginning yarn is pulled away from and reels.We's ratio juris is, be pulled away from the moment of beginning at the latest at yarn, attending device is given an order negative pressure is used in the suction yarn hole of operating mechanism's negative pressure pipe, and stop work in its operating mechanism that after finishing final repiece, is being safeguarded, inhale the suction function in yarn hole in the thread segment that is pulled away between mechanism and the yarn winding device from the negative pressure pipe simultaneously, begin the spinning stage owing to be pulled away from and yarn winding device between the yarn coil that forms of Yarn relaxation be inhaled in the negative pressure pipe, this yarn coil is along with increasing to its routine work value and begin to reduce so that complete obiteration around yarn speed subsequently, the negative pressure pipe of operating mechanism and the connection between the negative pressure source are cut off thus, thereby shortened operating mechanism by attending device and safeguarded the required time, and improve and to safeguard productivity ratio, keep spinning to restart automatically simultaneously with the piecer with around the quality of yarn.
The principle of the invention is that interim suction yarn hole of storing the negative pressure pipe that spins yarn is near the yarn path that is pulled away between mechanism and the yarn device, and the negative pressure pipe is the parts of open-end spinning frame operating mechanism, and is suitable for connecting negative pressure source by controllable mode.This structure has kept enough yarn tensions and has prevented being formed coil on the bobbin of reeling beginning the spinning stage.Structure of the present invention can be applied to be equipped with on the self-acting mule of attending device, semi-automatic spinning machine and the manually operated spinning machine.
The negative pressure pipe preferably connects negative pressure source by valve, this valve connects controlling organization and is common to two operating mechanisms of machine at least, convenience and control valve and reduce the production cost of machine have reliably been guaranteed, perhaps this valve is common to the operating mechanism of a machine part, and it has also improved the production cost of each machine.But in Machinery Design, must determine to give due consideration to the size of negative pressure in the vacuum system.
Description of drawings
The embodiment that has shown apparatus of the present invention in the accompanying drawing, wherein
Fig. 1 is the viewgraph of cross-section of the operating mechanism of machine;
Fig. 2 is the front view of the operating mechanism of Fig. 1;
Fig. 3 shows to have the embodiment of the invention of a valve, and this valve is used to operate two operating mechanisms; And
Fig. 4 shows to have the embodiment of the invention of a valve that is used for entire machine.
The specific embodiment
Open-end spinning frame comprises a plurality of operating mechanisms that set gradually, each parts be suitable for independently by sliver produce yarn and with the reel for yarn that produces on bobbin.According to the semi-automatic spinning machine explanation apparatus of the present invention that are disclosed among the patent CZ284295.
Each workpiece comprises spinning mechanism 1 and is arranged in below the spinning mechanism 1 and sliver 3 is transported to the sliver tube 2 of the charging gear 11 of spinning mechanism 1 that charging gear 11 comprises the feed clutch 111 that links to each other with controlling organization A.The single fiber makeup that makes sliver 3 single fiberizations is set after the charging gear 11 puts 12.The feed track 13 that enters the single fiber chemical fibre dimension of rotor 14 inner chambers is put 12 with the single fiber makeup and is linked to each other, the wideest portion of rotor 14 has collection surface 141, and this collection surface 141 is used for making under the centrifugal action that is produced by rotary spinning cup 14 single fiber chemical fibre dimension to form fibre bundle 31.
In known manner, fibre bundle 31 is converted to the yarn 32 that transmits by rotor 14 by being pulled away from pipe 15, by yarn demonstration and mass sensor 6 yarn 32 importings are pulled away from mechanism 4, be pulled away from mechanism 4 and be pulled away from roller 41 comprising shown in being contained in and be installed among the present invention of the pressure roll 42 below the pressure lever 43, and move in its operating position that is pulled away from roller 41 circumference.Tiltedly from the position, the circumference of pressure roll 42 and be pulled away between the circumference of roller 41 gapped.Pressure roll 43 is connected with control electromagnet 5, and electromagnet 5 is connected with controlling organization A by one first control knotting bar 51 successively.
Show that by yarn sensor 7 and known yarn distributor 8 comprise yarn 32 in the yarn winding device 9 of driven roller 91 by being pulled away from mechanism's 4 importings, driven roller 91 along machine length pass and with cooperate around yarn bobbin 92, pipe 93 around yarn bobbin 92 is fixed on the arm 94 of bobbin support, with known manner this bobbin support is set, it can be unloaded on the driven roller 91 by yarn winding device 91, and when the interruption of spinning process, stop the rotation of bobbin 92.The arm 94 of bobbin support also is suitable for opening increasing its phase mutual edge distance, thereby allows to take out around yarn bobbin 92 and the pipe 93 that soars is inserted and secured between the arm 94 of bobbin support.Yarn shows that sensor 7 connects controlling organization A.Shown in embodiment in, make the arm 94 of bobbin support connect control electromagnet 5 by the second control knotting bar (tie-rod) 52.
This device also comprises repiece deflection (repiece deflecting) part 20 that connects repiece deflection electromagnet 201, and electromagnet 201 also connects control module A.Repiece deflection piece 20 be pulled away from pipe 15 yarn outlet hole and be pulled away from mechanism 4 or the demonstration and mass sensor 6 of yarn 32 between, and be used to make yarn 32 deflections so that form the repiece deposit of yarn 32, thereby when the repiece process begins, emit the yarn 32 of deposit, and the repiece end of yarn 32 is dropped on the collection surface 141 of rotor.
Fig. 1 has shown the controlling organization A of operating mechanism.In Fig. 2, the controlling organization A of operating mechanism and the controlling organization AA of machine part interconnection, controlling organization AA successively with the controlling organization AAA interconnection of machine.According to controlling organization wherein is that the embodiment of the controlling organization A of operating mechanism illustrates the present invention.But in the above-described embodiments, controlling organization can also be the controlling organization AA of machine part and/or the controlling organization AAA of machine.Above-mentioned and following controlling organization A is intended to represent the controlling organization AA and or the controlling organization AAA of machine of the controlling organization A of operating mechanism and/or machine part.
Be pulled away from the suction yarn hole 101 that negative pressure pipe 10 is set between mechanism 4 and the yarn winding device 9, near the passage place of yarn 32, negative pressure pipe 10 links to each other with negative-pressure pipeline 103 by valve 102, length along the open-end spinning frame respective side is provided with this negative-pressure pipeline 103, and be connected with known negative pressure source 104, negative pressure source 104 is vavuum pump or ventilation blower.Valve 102 connects controlling organization A.In the embodiment shown in Fig. 1 and 2, valve 102 is arranged in each operating mechanism of machine and connects the negative pressure pipe 10 of each operating mechanism separately.
In another embodiment, valve 102 can be common to two or more operating mechanisms, shown in Fig. 3 and 4.In the embodiment shown in fig. 3, valve 102 is common to the negative pressure pipe 10 of two adjacent operating mechanisms and connects the controlling organization A of two operating mechanisms, perhaps the controlling organization A of junctor general ability portion.In the embodiment shown in fig. 4, valve 102 is common to the entire machine part, the negative pressure pipe 10 of all working mechanism of corresponding machine part is connected on this valve 102, and this valve is used to apply the control function that it links to each other with the controlling organization of the operating mechanism of the controlling organization of the controlling organization A of corresponding machine part and/or machine and/or corresponding machine part.
When the repiece process in open-end spinning frame begins to carry out with a kind of known manner consistent with Machinery Design, guiding falls in the rotor 14 it to the repiece yarn ends, when it arrives collection surface 141, be connected with fiber band 31, and with the form of yarn 32 begin to be pulled away from or on bobbin 92 around yarn.In the embodiment shown in Fig. 1 and 2, to open valve 102 and to connect negative pressure source 104, beginning is pulled away from yarn 32 before operating mechanism's negative pressure pipe 10 that the repiece process takes place by the order of being sent by controlling organization A.Since after repiece is finished soon, the yarn 32 that beginning is pulled away from by rotor 14 and when beginning yarn 32 around bobbin 92, be lower than the speed of being pulled away from around yarn speed, excess yarn 32 was inhaled suction yarn hole 101 and was entered negative pressure pipe 10, therefore keep enough around yarn power and prevent Yarn relaxation, form coil, and with it on bobbin.After bobbin 92 accelerates to conventional operating rate, be higher than the speed of being pulled away from slightly, the yarn 32 in the continuous consumption negative pressure pipe 10 is over up to it is all consumed, so controlling organization A gives an order to disconnect being connected of negative pressure pipe 10 and negative pressure source 104.
Behind the predetermined time interval after being preferably in repiece and beginning, controlling organization A sends and disconnects the order that negative pressure pipe 10 is connected with negative pressure source 104, owing to have the time enough deposit, consider that this time interval is enough to be pulled away from the lax yarn 32 of first negative suction pipe 10 of finishing, thereby reduce in yarn 32 is reeled, to form the danger of yarn coil.
Negative pressure pipe 10 can hold the known yarn that links to each other with controlling organization A and show sensor, and controlling organization A then gives an order to disconnect being connected of negative pressure pipe 10 and negative pressure source 104 after yarn 32 has been pulled away from by negative pressure pipe 10 fully.
In the embodiment shown in fig. 3, when repiece, form actual repiece process and the spinning-in mechanism negative pressure pipe 10 of adjacent spinning-in mechanism control and being connected of negative pressure source 104 of being subjected to, spinning-in mechanism connects same valve 102.In repiece operating mechanism, the suction yarn hole 101 of negative pressure pipe 10 receives the yarn 32 that sucks wherein, and in adjacent operation, from the negative pressure in the suction yarn hole 101 of negative pressure pipe 10 to continuous reeling on bobbin 92 and not the coiling of the yarn 32 of negative suction pipe 10 do not have negative influence.
In the embodiment shown in fig. 4, all negative pressure pipes 10 of the operating mechanism of entire machine part connect negative pressure source 104 in the repiece process, only have the operating mechanism that wherein carries out repiece by inhaling yarn hole 101 lax yarn 32 to be transported in the negative pressure pipe 10.Fig. 3 and 4 has shown the embodiment that be connected of negative pressure pipe 10 disengagings with negative pressure source 4, carries out same explanation with reference to the embodiment shown in Fig. 1 and 2.
Repiece yarn 32 devices with negative pressure pipe 10 of the present invention are not limited to be applied to the described embodiment of semi-automatic spinning machine, but the embodiment that can and be used for other semi-automatic spinning machine for example is disclosed in the semi-automatic spinning machine among patent CZ284729 or the utility model CZ10295.The repiece yarn device that negative pressure pipe 10 is housed can also be used for manual operation machine, wherein connects valve by the operator and throws off being connected of valve, or only connected valve and thrown off the connection of (closing, beginning of operation) valve by timer by the operator.
Similarly, the repiece yarn device with negative pressure pipe 10 can also be used for automatic open-end spinning frame, and the maintenance of this spinning machine is provided by attending device.In such machine, be installed in repiece yarn device in the negative pressure pipe 10 and make attending device simplify and shorten especially the time interval that attending device is parked in maintenance work mechanism.Attending device is suitable for moving along the operating mechanism of machine, and is equipped with and is used for being implemented in the given operating mechanism needed partial function that restarts to spin.Attending device is finished the step that rotor 14 is prepared repiece, promptly open spinning mechanism 1, cleaning rotor 14, close spinning mechanism 1, and the step of finishing yarn 32 preparation repieces, comprise yarn 32 ends of detecting on the bobbin 92, launch the Len req of yarn 32, produce the repiece end of yarn 32 and be inserted into being pulled away from of spinning mechanism 1 and manage in 15.After carrying out the preparation of yarn 32 repieces, according to routine, yarn 32 is positioned partially in the suitable parts of operating mechanism, is positioned partially in the suitable parts of attending device.Finish prepare the repiece step after, attending device begins to carry out final repiece step, comprise at least begin with the single head fibre transportation in rotor 14, make the ends of yarn repiece drop on the collection surface 141 of rotor 14 and begin being pulled away from and reeling of yarn 32.Before in the single head fiber begins to be transported to rotor 14, according to routine, sliver 3 shifts out rotor 14 with a sliver fiber with known manner after beginning to be transported in the single head device 2.At the latest when the beginning yarn is pulled away from, attending device is given an order and is used negative pressure with the suction yarn hole 101 to operating mechanism's negative pressure pipe 10, promptly order valve 102 to connect negative pressure pipe and negative pressure source, so that yarn 32 is in the spinning incipient stage, be subjected to being pulled away from the regional inner suction effect between mechanism 4 and the yarn winding device 9, produce residual yarn 32 between mechanism and the yarn winding device 9 by being pulled away from, this unnecessary yarn 32 is sucked the negative pressure pipe 10 that wherein produces yarn coil by inhaling yarn hole 101 beginning spinning speed deficiency in the spinning stage.Restarting completely normally after yarn speed, the yarn coil in the negative pressure pipe 10 begins to dwindle so that complete obiteration (exhausting), and after this negative pressure pipe 10 breaks away from and being connected of negative pressure source 104.After final repiece step is finished, send signal with negative pressure pipe 10 to inhaling yarn hole 101 application of negative pressure, and yarn 32 is delivered in the parts of operating mechanism, attending device stops its work and preparation in maintenance work mechanism and moves to another operating mechanism that needs maintenance.Therefore attending device has been saved the time, otherwise the state of operating mechanism need be set in the incipient stage of repiece process, promptly revises yarn amount of being pulled away from and the relation between the yarn amount.
The invention is not restricted to the foregoing description, but also comprise the combination of these embodiment and equivalent thereof.
Claims (6)
1, a kind of method that on open-end spinning frame, makes the yarn repiece, each operating mechanism of this spinning machine is equipped with the parts that are used to finish final repiece step, wherein manually finish rotor and prepare repiece step and yarn preparation repiece step, send the order of the final repiece step of beginning by manual operation, this step comprises at least: begin the single head fibre transportation in rotor, yarn repiece end is dropped on the collection surface of rotor, and the beginning yarn is pulled away from and reels, and finish final repiece step by the suitable components of machine works mechanism, it is characterized in that, at the latest in the moment that begins to be pulled away from yarn (32), negative pressure is used in suction yarn hole (101) to operating mechanism's negative pressure pipe (10), owing to be inhaled in the suction yarn hole (101) beginning in the spinning stage to be pulled away from yarn (32) coil that forms between mechanism (4) and the yarn winding device (9) around the yarn underspeed, after returning to its conventional working value around yarn speed, yarn (32) coil in the negative pressure pipe (10) is reduced to full consumption continuously, the negative pressure pipe (10) of the mechanism that quits work then and being connected of negative pressure source.
2, a kind of method that in the operating mechanism of open-end spinning frame, makes the yarn repiece, the step that comprises yarn preparation repiece, rotor is prepared the step of repiece, final repiece step, at least comprise and begin sliver is transported to during single fiber makeup puts, single fiber makeup by the rotor outside is put delivered yarn through preset time at interval, yarn repiece end is dropped on the collection surface of rotor, and the beginning yarn is pulled away from and reels, close optional moment in the process in moment of closing fully of spinning mechanism and/or in spinning moment of beginning of mechanism and/or in spinning mechanism, finish the timing of final repiece step, it is characterized in that, at the latest when beginning to be pulled away from yarn (32), negative pressure is used in suction yarn hole (101) to operating mechanism's negative pressure pipe (10), owing to be inhaled in the suction yarn hole (101) beginning in the spinning stage to be pulled away from yarn (32) coil that forms between mechanism (4) and the yarn winding device (9) around the yarn underspeed, after returning to its conventional working value around yarn speed, yarn (32) coil in the negative pressure pipe (10) is reduced to full consumption continuously, the negative pressure pipe (10) of the mechanism that quits work then and being connected of negative pressure source.
3, a kind of method that on open-end spinning frame, makes the yarn repiece, this open-end spinning frame is equipped with attending device, this attending device is suitable for moving and finish at least some spinning recovering step in the operating mechanism that needs are safeguarded along the operating mechanism of machine, wherein attending device finish rotor prepare repiece step and the yarn step of preparing repiece, comprise and make yarn enter its preparation string-up position in operating mechanism, and a part of yarn is retained in the repiece parts of attending device, this attending device begins final repiece step then, at least comprise and beginning the single head fibre transportation in rotor, the repiece yarn ends is dropped on the collection surface of rotor, and the beginning yarn is pulled away from and reels, it is characterized in that, at the latest in moment that yarn is pulled away from, attending device sends signal and uses negative pressure with the suction yarn hole to operating mechanism's negative pressure pipe (10), attending device stops its work in the operating mechanism that is safeguarded after having finished final repiece step, be pulled away from yarn (32) between mechanism (4) and the yarn winding device (9) simultaneously and be subjected to suction function from the suction yarn hole (101) of negative pressure pipe (10), owing to beginning the spinning stage around the yarn underspeed, the yarn that is pulled away between mechanism (4) and the yarn winding device (9) takes place lax and formation yarn (32) coil, this yarn (32) coil is inhaled in the negative pressure pipe (10), thus when returning to its routine work value around yarn speed, yarn (32) coil in the negative pressure pipe (10) reduces to full consumption continuously, the negative pressure pipe (10) of the mechanism that then quits work and the connection between the negative pressure source.
4, a kind of device that is used on open-end spinning frame, finishing the arbitrary described method of claim 1 to 3, the operating mechanism that comprises a plurality of settings adjacent one another are, each operating mechanism comprises that yarn produces spinning mechanism, yarn is pulled away from mechanism and yarn winding device, it is characterized in that, each operating mechanism is equipped with the suction yarn hole (101) of negative pressure pipe, be used for the spun yarn of interim storage after spinning, negative pressure pipe (10) is the parts of open-end spinning frame operating mechanism and controllably connects negative pressure source (104).
5, device as claimed in claim 4 is characterized in that, negative pressure pipe (10) connects negative pressure source (104) by valve (102), and valve (102) connects controlling organization (A) and is common to two operating mechanisms of machine at least.
6, device as claimed in claim 4 is characterized in that, negative pressure pipe (10) connects negative pressure source (104) by valve (102), valve (102) connect controlling organization (A) and be common to the machine part operating mechanism.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CZ20011507A CZ292067B6 (en) | 2001-04-27 | 2001-04-27 | Process and apparatus for spinning yarn on spindleless spinning machines |
| CZPV20011507 | 2001-04-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1384229A CN1384229A (en) | 2002-12-11 |
| CN1330806C true CN1330806C (en) | 2007-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021231222A Expired - Fee Related CN1330806C (en) | 2001-04-27 | 2002-04-27 | Method and device for end forming of yarn in jet spinning machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1330806C (en) |
| CZ (1) | CZ292067B6 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ304396B6 (en) * | 2006-05-26 | 2014-04-16 | Rieter Cz S.R.O. | Method of individual yarn spinning on rotor spinning machine workstation and apparatus for making the same |
| DE102008056288A1 (en) * | 2008-11-08 | 2010-05-12 | Oerlikon Textile Gmbh & Co. Kg | Method for operating an open-end spinning machine and open-end spinning machine |
| DE102009030802A1 (en) * | 2009-06-27 | 2009-11-05 | Oerlikon Textile Gmbh & Co. Kg | Open end- rotor spinning machine for use in textile industry, has computer device computing optimized base setting of spinning parameters based on mathematical calculation process of spinner and transmitting base setting to workstation |
| CZ303974B6 (en) * | 2012-06-01 | 2013-07-24 | Rieter Cz S.R.O. | Method of and apparatus for spinning yarn after break on workstation of a rotor-spinning machine |
| CZ305860B6 (en) * | 2014-06-09 | 2016-04-13 | Rieter Cz S.R.O. | Method for eliminating a loop of yarn when winding yarn on a cross-wound bobbin on a spinning machine at a constant speed of the yarn being produced and a device for performing it |
| CZ306369B6 (en) * | 2015-05-20 | 2016-12-21 | Rieter Cz S.R.O. | Rotor spinning machine and method of renewal spinning at the rotor spinning machine workstation |
| DE102018105933A1 (en) * | 2018-03-14 | 2019-09-19 | Maschinenfabrik Rieter Ag | A method for forming a thread loop and for separating a piece of thread to be attached and a piece of thread to be removed, pressure roller unit and suction nozzle |
| CN111039073B (en) * | 2019-12-24 | 2021-12-21 | 徐佩登 | Prevent conveyor and weaving device to link up quick-witted shift fork of weaving that transition card is dunked |
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| DE19845890A1 (en) * | 1997-01-08 | 2000-04-13 | Rieter Elitex As | Manual restarting of open-end rotor spinning machine uses a timer at each spinning position to synchronize piecing sequence |
| US6101803A (en) * | 1998-05-14 | 2000-08-15 | Novibra Gmbh | Process and apparatus for piecing a yarn end in an open-end rotor spinning machine |
| WO2000073548A1 (en) * | 1999-05-31 | 2000-12-07 | Rieter Elitex A.S. | A method of yarn loop consumption after yarn spinning-in on a rotor spinning machine |
-
2001
- 2001-04-27 CZ CZ20011507A patent/CZ292067B6/en not_active IP Right Cessation
-
2002
- 2002-04-27 CN CNB021231222A patent/CN1330806C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1026807C (en) * | 1984-11-15 | 1994-11-30 | 舒伯特-萨尔泽机械制造股份公司 | Method and apparatus for thread joining in open end spinning apparatus |
| US5152132A (en) * | 1989-05-05 | 1992-10-06 | Michael Strobel | Process and device for the piecing of a yarn in an open-end spinning machine operating with a spinning rotor |
| CN1159492A (en) * | 1995-10-16 | 1997-09-17 | 里特埃利特斯公司 | Method of and device for, spinning-in yarn on open-end spinning machine |
| US5778651A (en) * | 1995-10-16 | 1998-07-14 | Rieter Elitex A.S. Usti Nad Orlici | Method of, and device for, spinning-in yarn on an open-end spinning machine |
| DE19845890A1 (en) * | 1997-01-08 | 2000-04-13 | Rieter Elitex As | Manual restarting of open-end rotor spinning machine uses a timer at each spinning position to synchronize piecing sequence |
| CN1247580A (en) * | 1997-02-13 | 2000-03-15 | 里特埃利特斯公司 | Method of individual yarn spinning-in at operating unit of rotor spinning machine and device for carrying out method |
| US6101803A (en) * | 1998-05-14 | 2000-08-15 | Novibra Gmbh | Process and apparatus for piecing a yarn end in an open-end rotor spinning machine |
| WO2000073548A1 (en) * | 1999-05-31 | 2000-12-07 | Rieter Elitex A.S. | A method of yarn loop consumption after yarn spinning-in on a rotor spinning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1384229A (en) | 2002-12-11 |
| CZ20011507A3 (en) | 2003-03-12 |
| CZ292067B6 (en) | 2003-07-16 |
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