EP1447367A1 - Verfahren und Vorrichtung zum Warten einer Arbeitsstelle einer Textilmaschine - Google Patents
Verfahren und Vorrichtung zum Warten einer Arbeitsstelle einer Textilmaschine Download PDFInfo
- Publication number
- EP1447367A1 EP1447367A1 EP03028862A EP03028862A EP1447367A1 EP 1447367 A1 EP1447367 A1 EP 1447367A1 EP 03028862 A EP03028862 A EP 03028862A EP 03028862 A EP03028862 A EP 03028862A EP 1447367 A1 EP1447367 A1 EP 1447367A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- cutting
- suction pipe
- suction tube
- suction
- Prior art date
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/71—Arrangements for severing filamentary materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H65/00—Securing material to cores or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- the present invention relates to a method according to the preamble of the claim 1 and an apparatus for performing this method.
- the object of the present invention is therefore a method and a To create a device with the help of the disadvantages described above be excluded.
- the method and the device should be simple and work safely.
- the increase in the restraining force can be brought about in various ways be, for example, by intensifying the intake manifold penetrating suction air flow.
- intensifying the intake manifold penetrating suction air flow As a particularly simple and also An extremely effective measure has been keeping the thread in accordance Claim 2 and optionally also proven according to claim 3.
- an increase in the cutting reliability can be achieved by a Additional movement of the suction tube can be achieved, which is the one to be cut Retains thread by clamping.
- the function to be triggered when a cutting fault occurs can vary his.
- the spinning process after changing the bobbin to be able to continue despite a cutting disorder without it when the maintenance device continues to take a thread section with it comes to neighboring workplaces of the textile machine, is according to a further expedient development of the invention.
- Method according to claim 7 provided that with the aid of a a separation process independent of the thread cutting device is carried out.
- the voltage in the thread section extending from the thread cutting device into the suction tube be used.
- Thread trimmer should have been performed, failed is, as a given function, which can be triggered in such a case should, in particular the triggering of an alarm or even stopping the affected job.
- a cleaning of the Cutting element of the thread cutting device are triggered.
- the frictional force due to looping one or more bodies is created. It is conceivable, for example to redirect the thread through a plurality of bodies and in this way to generate a sufficiently large overall friction length.
- Another alternative is a cylinder, for example single or multiple to wrap around and this cylinder running thread at its loose end with different suction or Holding forces. A relatively small holding force is sufficient here at the loose end of the thread to prevent the thread from being pulled out unintentionally to prevent during the cutting process.
- the principle of Self-locking applied as is the case with winches on sailing ships is being used.
- the wraps are helical.
- the thread sucked in by negative pressure is simultaneously by the suction force and held the frictional force. If a higher retention force is now required, This can be done, among other things, by increasing the size of the wrapped Length can be achieved. This is particularly easy with the wrapping of a cylindrical body where possible by adding individual Turns the looped length is particularly easy to increase.
- In another particularly advantageous embodiment of the present Invention can increase the retention force of the volume flow of the Vacuum suctioned air volume increased and / or the flow cross section be reduced. Both lead to an increase in flow velocities and thus to an increase in the number of those attacking the thread Holding forces.
- the method described above is used to carry out the method a device according to claim 17.
- the preferably as Clamping device designed thread retention device causes the thread to be cut is kept taut and does not have the possibility give way and thereby complicate the severing.
- this clamping device By arranging this clamping device in the vicinity of the inlet mouth of the suction pipe according to claim 18, their effectiveness is special high, since the thread retained by this clamping device is none Is given the opportunity to relax due to a possible longitudinal elasticity and making it difficult or even impossible to cut the thread close.
- the clamping device is simultaneous formed as a shut-off valve, so that a fluttering of the thread section on the one facing the winding device with respect to the clamping device Side and thus an uncontrolled yielding of the thread during the cutting process is avoided.
- Thread cutting device can be remedied quickly, according to Claim 22 or 23 a thread monitoring device for the provided thread extending from the winding device to the suction tube become.
- one or more of claims 24 to 26 can provide that a control device when a malfunction occurs Thread cutting device triggers a suitable function, accordingly This can be remedied quickly.
- Another advantageous embodiment of the invention provides that at least a body deflects the course of the thread. You can choose to do this one or more bodies can be used. For example, it is conceivable the arrangement of several individual bodies that form a labyrinth, the deflects the thread passing through it. The redirection then used for restraint required friction force, which creates the thread fixed.
- the body is a vacuum hose.
- a hose can be special easily deform and thus adapt to the required geometry.
- the thread passing through can be on the inner walls designed as friction surfaces apply, in turn applied the required frictional force becomes.
- a suitable friction coefficient is set in the Way that a material pairing or surface roughness between the thread and for example the material of the vacuum hose is chosen that has a coefficient of friction that is large enough to hold the thread securely during the cutting process. simultaneously the coefficient of friction must not be so high that the Introducing the thread into the device, for example by means of negative pressure becomes too difficult or impossible.
- the contact surface of the body is roughened. About the different Surface roughness can be an adjustment of the coefficient of friction done in a particularly simple and technically manageable manner.
- the total restraining force exerted by the device for example to increase briefly during the cutting process, it has proven to be proven particularly favorable, that caused by the negative pressure Volume flow, at least during the cutting process to increase. How already described previously, a relatively small one is sufficient at the end of the thread Tractive force to a with a suitable self-locking by frictional forces to achieve particularly high retention force.
- Another particularly advantageous embodiment provides for increasing the Retention force that the flow cross-section by means of an actuator at least in the area of the thread from the control device is reduced during the cutting process.
- the method according to the invention and the device according to the present Invention bring about a significant increase in a simple manner the certainty that the thread section to be wound onto the empty tube is separated from the thread section extending into the suction tube. In this way it is prevented that from the winding device a thread section in the suction pipe arranged on the maintenance device extends by completing the maintenance work Maintenance device over parts of the neighboring workplaces is pulled and there affects the functional safety or the later processing of the thread hindered, which on the bobbins neighboring jobs has been wound up, so that in subsequent operations Disturbances occur.
- the advantage is achieved that the necessary device very simple to set up and therefore inexpensive to manufacture and use is feasible.
- textile machines with the invention Retrofitting the device with little effort.
- the invention can be applied to various textile machines, on which a running thread F for winding onto an empty tube H (see Fig. 1) is to be handed over, for example on a winding machine or Open-end spinning machine.
- Open-end spinning devices 1 each of which has a draw-off tube 10 has, through which the thread F with the help of take-off rollers 11, 12 can be withdrawn from the open-end spinning device 1 to be fed to a winding device 4.
- This has two on one Axle 42 pivotably mounted spool arms 40 and 41, between which with the help of two rotatably mounted in the spool arms 40 and 41
- Sleeve plate 400 and 411 an empty sleeve H can be inserted, on which the thread F is to be wound up.
- One of the pods is in the embodiment of the sleeve plate 400, designed as a safety device 47 and has a plurality of catch hooks 470 for this purpose.
- a feed device 2 For presenting the thread F for picking up by the catching device 47 a feed device 2 is provided. This has a suction pipe 20 and a thread guide 21, which is arranged on a common holder 22 are.
- the feed device 2 is on a maintenance device 3 (in Fig. 4 indicated by dashed lines) mounted such that they for the implementation delivered their work to the safety gear 47 and then back in a rest position within the maintenance device 3 are withdrawn can.
- the maintenance device 3 is generally used to carry out various Maintenance work designed and runs along a variety similar workplaces arranged side by side.
- a thread retention device 8 Located in the mouth area of the inlet mouth 200 of the suction pipe 20 a thread retention device 8.
- the embodiment shown is as a clamping device formed and has a controllable clamping element 80, which in a guide 81 provided in the suction pipe 20 is movably guided, which is formed in the manner of an inner circumferential groove of the suction pipe 20.
- the clamping element 80 is connected to a drive rod 82 which forms the armature of an electrical coil 83 and therefore extends into it hineinerstreckt.
- This coil 83 is supported by a suitably Holding device 84 worn, which in a manner not shown Elements of the maintenance device 3 is worn. 1 and 2 the holding device 84 is designed as a housing and also carries the inlet mouth 200 of the suction pipe 20.
- the coil 83 is by means of a control line 90 connected in terms of control to a control device 9 (FIG. 4) which is on the maintenance device 3.
- the control device 9 in turn is by means of a control line 901 with a higher-level, not shown Control device connected.
- a winding roller 43 which can be driven in the direction of the arrow f 1 is provided (FIG. 1), in front of which a traversing rod 44, each with a traversing thread guide 45 designed as a self-threader Spooling device 4 is located in order to be able to pick up the thread F after the transfer to the empty tube H and to shift it to form a spool.
- the thread cutting device 6 On the spool arm 40, which holds the sleeve plate 400 with the catching device 47 carries, is a stationary thread cutting device with respect to the rotating safety device 47 6 arranged, which can be seen better in Fig. 2.
- the thread cutting device 6 has in the illustrated embodiment a blade 60 with a thread cutting edge 600.
- the blade 60 is outside the working area of the thread cutting edge 600 on the right Angled at an angle and thus has a fastening section 601 with whose help the blade 60 with the interposition of a spacer 61st is attached to the spoolm 40.
- the thread F is by means of the take-off rollers 11 and 12 through the thread take-off tube 10 of the open-end spinning device 1 withdrawn and over the thread guide 21 in the inlet mouth 200 of the aforementioned suction pipe 20 and continuously discharged through it.
- the maintenance device 3 now pivots out the feed device 2 their thread take-up position, not shown, towards the catching device 47, of which one of the rotating catch hooks 470 extends from the thread guide 21 to the inlet mouth 200 of the suction pipe 20 essentially parallel to the axis of the empty sleeve H and thus essentially also perpendicular thread section extending to the orbit of the catch hooks 470 grasps.
- a control signal to the bobbin 83 of the thread retainer 8 which now causes the retention force acting on the thread F to increase is compared to the retention force that was previously in the intake manifold 20 prevailing negative pressure was generated.
- the increase in restraint takes place in that the clamping element 80 in its clamping position is brought, in which it clamps the thread section F ", which is extends from the catch hook 470 to the inlet mouth 200 of the suction pipe 20.
- This thread section F “becomes during the circulation of the catch hook 470 pulled over and along the thread cutting edge 600, whereby the thread F is cut. During this cutting of the thread F by means of the thread cutting device 6, the thread section F "by the Clamp prevented a pull towards the thread cutter 6 give way. As a result, the thread F has no possibility during the Yielding cutting so that the thread section to be cut F "of the thread cutting device 6 is presented in a streamlined state, which leads to a high level of cutting security.
- the bobbin 83 of the thread retention device 8 again by the control device 9 controlled, whereupon the bobbin 83, the clamping element 80 in its thread release position withdraws.
- the separated thread section F "released and discharged through the suction pipe 20.
- the feed device 2 is no longer required and therefore from the area of the safety gear 47 removed.
- controllable thread retention device 8 in any way Place on the side of the thread cutting device facing the suction pipe 20 6 to arrange.
- This can also be completely independent of Suction tube 20 may be mounted, for example on the spool arm 40. It is expedient this thread retention device 8 as close as possible to the thread cutting device 6 to arrange.
- the clamping element 80 in its clamping position essentially the entire inner cross section of the Shuts off suction pipe 20 and is thus designed as a shut-off valve 85 (Fig. 3).
- the inner cross section of the suction pipe 20 is blocked off as far as this allows the thread section F "extending into the suction pipe 20, which is now between the inner wall 201 of the suction pipe 20 and the Clamping element 80 is clamped.
- the suction pipe 20 a during the cutting phase performs additional movement through which the clamping element 80 retained thread F both at the inlet mouth 200 of the suction pipe 20 as well as an even greater deflection at the thread cutting edge 600 experiences and above all with an even higher contact pressure the thread cutting edge 600 rests. This way the cutting security the thread cutting device 6 increased significantly.
- the thread cutting edge 600 changes over time Cutting behavior. This gradual decrease in cutting quality leaves control yourself poorly, even if the cutting quality deteriorates a separation process is still carried out due to the fact, that the retention device 8 arranged in the feed device 2, possibly in connection with an additional movement of the suction pipe 20, the to be cut thread F keeps tense, whereby despite one no longer perfect cutting thread cutting edge 600 of thread F at least is severed by tearing.
- a thread separating device 23 (FIG. 4) can be arranged. This is according to the embodiment shown by the edge of the Entry mouth 200 of the suction pipe 20 or at least that peripheral region of which is formed, on which extends into the suction pipe 20 Thread section F "and which for this purpose as sharp-edged cutting edge 230 is formed.
- such a thread separation device 23 is not formed by the inlet mouth 200 of the suction pipe 20, but by another, arranged in front of this inlet mouth 200 Element (not shown). This can be controlled in a suitable manner, but this thread separating device 23 is preferably designed such that it does not need its own control, but the cutting of the Thread F caused solely by the system pressure.
- thread section F "extending to the suction pipe 20 are monitored.
- the thread monitoring device 91 is in the embodiment shown by a flag 910 arranged on the outer circumference of the suction tube 20 on the one hand and a coil 911 on the other hand.
- the suction tube 20 is designed in a suitable manner transversely elastic or is stored. For this purpose is in the embodiment shown an intermediate section of the suction pipe 20 as an elastic hose 202 educated.
- either the immersion depth of the one connected to the armature of the coil 911 changes Flag 910 or its distance from the two pole pieces 911a and 911b of the coil 911, resulting in a predetermined action or trigger performs a predetermined function on the part of the control device 9.
- a thread tension measuring device has a different design is possible, for example in the form of a measuring bracket which is conventional per se, this being designed and arranged independently of the suction pipe 20 can.
- the thread monitoring device 91 described above can also be used as Presence sensors should be designed. However, since a presence sensor only responds if the thread is missing, d. H. after thread F on any Has been severed, is in such a design of the thread monitoring device 91 provided that the control device 9 the Time from the initiation of the cutting process by the thread cutting device 6 to the absence of the thread section F "on such a thread presence sensor measures so that the control device 9 depending on corresponding functions during this time, as will be described later is described in more detail.
- the control device 9 is connected via a control line 920 to a control valve 92 for a cleaning device 7.
- this is stored in the maintenance device 3 and, if required, for example after each unsuccessful attempt to cut the thread cutting device 6, can be delivered by the control device 9 to the thread cutting edge 600 of the thread cutting device 6 in order to clean the blade 60.
- the cleaning device 7 is of pneumatic design and has a compressed air nozzle 70.
- control device 9 can have an evaluation device 93 be assigned. This is an integral part of the control device 9 or connected to it by means of a control line 931.
- the evaluation device 93 is adjustable and has a setting field 930 for this purpose with the help of the setting field 930 predefined counter reading for reported If cutting error is reached, the evaluation device 93 activates the control device 9, which then one or more predetermined activities or Functions.
- the control device 9 can for the determination of such Functions to be triggered can also be adjustable and a corresponding one Have setting field 900 or enable another data input, for example using a CD-ROM or the like.
- Control line 940 connected to an alarm device 94, which when reached the number of malfunctions determined by means of the evaluation device 93 the thread cutting device 6 is addressed and an optical and / or emits an acoustic alarm signal. If necessary, at the same time a shutdown of the affected job, in which the thread cutting device 6 was no longer able to perform her cutting work properly, to be triggered.
- a display device 95 can also be addressed by means of a control line 950 which indicates this number of malfunctions, possibly also depending on the production time, so that the operator can understand whether the condition of the thread cutting device 6 has deteriorated or not.
- the display device 95 can be addressed with every cutting error and thus the number of Show malfunctions of the thread cutting device 6 even before the value defined in the evaluation device 93 has been reached.
- FIG. 5 there is a suction pipe 20 of a feed device according to the invention 2 with some associated components shown in a side view.
- a drawing has been made Representation of the other components associated with the feed device 2 are dispensed with.
- the thread F first passes through the inlet mouth 200 into the intake manifold 20 a.
- the hose 202 connects to the suction pipe 20.
- the embodiment is the hose 202 as a flexible vacuum hose educated.
- the strength of the hose walls is high enough around the negative pressure that arises inside To absorb forces and not to invade. Retains when vacuum is applied the hose 202 therefore largely assumes its cross-sectional shape.
- the history of the hose 202 is characterized by a hose turn 203 in which the Hose 202 makes a full 360 ° turn.
- an adjusting device 96 is arranged at the outlet of the Hose turn 202.
- the adjusting device 96 is connected to the control line 960 Control device 9 connected. Also in terms of tax with the control device 9 is connected to a vacuum source 97, which is connected via a control line 970 is connected.
- the thread F retention process then runs as follows. First, the thread F by means of the vacuum source 97 generated air flow sucked into the hose. The loose thread end runs through the hose turn 203 until it finally has finally arrived behind the adjusting device 96. If the thread F now subjected to a tensile force in the area of the inlet mouth 200, so on the one hand, it is held in place by the suction or holding force in its position. In addition, the thread F is also through the frictional force generated between it and the inner tube wall 201 held.
- the tubular design of the deflecting body shown has the advantage that the thread is automatically sucked in by the vacuum can.
- thread is wound over a roller before the air flow and thus detects the suction power.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Looms (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
- Fig. 1:
- in perspektivischer Ansicht die wesentlichsten Elemente einer Arbeitsstelle sowie eine als Saugrohr ausgebildete Fadenvorlegevorrichtung gemäß der Erfindung;
- Fig. 2:
- in der Vorderansicht die erfindungsgemäß ausgebildete Fadenvorlegevorrichtung in Verbindung mit einem eine Fangvorrichtung tragenden Hülsenteller sowie einer Fadenschneidvorrichtung;
- Fig. 3:
- das Saugrohr mit einer Klemmeinrichtung gemäß der Erfindung in der Frontansicht;
- Fig. 4:
- in schematischer Perspektive den Erfindungsgegenstand in Verbindung mit mehreren durch eine Steuervorrichtung gesteuerten Vorrichtungen; und
- Fig. 5:
- eine weitere Ausführungsform eines erfindungsgemäßen Saugrohrs mit einigen zugehörigen Vorrichtungen.
Claims (33)
- Verfahren zum Warten einer Arbeitsstelle an einer Textilmaschine, bei welchem ein Faden mittels eines an eine Unterdruckleitung angeschlossenen Saugrohres einer Spulvorrichtung vorgelegt, durch diese gefangen und einer Fadenschneidvorrichtung zum Durchtrennen zugeführt wird, dadurch gekennzeichnet, dass in zeitlicher Abstimmung mit der Zuführung des Fadens zur Fadenschneidvorrichtung zumindest für die Dauer des vorzunehmenden Schneidvorganges die Rückhaltekraft auf den sich in das Saugrohr erstreckenden Faden erhöht wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass zur Erhöhung der Rückhaltekraft der Faden im Saugrohr oder in dessen Nähe für die Dauer des Schneidvorganges geklemmt und sodann für das Abführen des abgetrennten Fadenabschnittes wieder freigegeben wird.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass der sich von der Fadenschneidvorrichtung zum Saugrohr erstreckende Fadenabschnitt während des Klemmens keinem Unterdruck ausgesetzt wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Anpressdruck des im Saugrohr durch Klemmen zurückgehaltenen Fadens gegen die Fadenschneidvorrichtung durch eine Zusatzbewegung des Saugrohres erhöht wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der sich von der Fadenschneidvorrichtung ins Saugrohr erstreckende Faden überwacht und bei Auftreten einer festgestellten Schneidstörung eine vorgegebene Funktion ausgelöst wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Feststellung einer Schneidstörung die Spannung des sich von der Fadenschneidvorrichtung ins Saugrohr erstrekkenden Fadenabschnittes überwacht wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass bei Auftreten einer Schneidstörung im Bereich des Saugrohres ein weiterer, von dem durch die Fadenschneidvorrichtung durchzuführenden Schneidvorgang unabhängiger Fadentrennvorgang ausgelöst wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der weitere Fadentrennvorgang in Abhängigkeit von der Spannung des sich von der Spulvorrichtung ins Saugrohr erstrekkenden Fadens ausgelöst wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass bei Auftreten einer Schneidstörung ein Alarm und/oder ein Stillsetzen der betroffenen Arbeitsstelle ausgelöst wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass bei Auftreten einer Schneidstörung in zeitlicher Abstimmung mit dem mißlungenen Schneidversuch ein Reinigen der Schneidvorrichtung ausgelöst wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Erhöhung der Rückhaltekraft mittels Reibungskraft ausgeübt wird.
- Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Reibungskraft durch Umschlingung eines oder mehrerer Körper erzeugt wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Umschlingung helixförmig ausgebildet wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der mittels Unterdruck eingesaugte Faden gleichzeitig durch eine Saugkraft und die Reibungskraft gehalten wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Erhöhung der Rückhaltekraft die Länge der Umschlingung vergrößert wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Erhöhung der Rückhaltekraft ein Volumenstrom eines vom Unterdruck abgesaugten Luftvolumens erhöht und/oder ein Strömungsquerschnitt verringert wird
- Vorrichtung zum Warten einer Arbeitsstelle an einer Textilmaschine, mit einer Spulvorrichtung zum Aufwickeln eines Fadens, mit einer längs einer Vielzahl gleichartiger Arbeitsstellen verfahrbaren Wartungsvorrichtung, ferner mit einem in der Wartungsvorrichtung angeordneten, mit Unterdruck beaufschlagbaren Saugrohr zum Zuführen des aufzuwickelnden Fadens zur Spulvorrichtung sowie mit einer drehbar gelagerten Fadenfangvorrichtung zum Aufnehmen des ihm durch das Saugrohr zugeführten Fadens sowie mit einer gegenüber dieser antreibbaren Fadenfangvorrichtung stationären Fadenschneidvorrichtung zum Durchtrennen des Fadens, zur Durchführung des Verfahrens nach einem oder mehreren der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass auf der dem Saugrohr (20) zugewandten Seite der Fadenschneidvorrichtung (6) eine vorzugsweise als Klemmvorrichtung ausgebildete, steuerbare Fadenrückhaltevorrichtung (8) angeordnet ist.
- Vorrichtung nach Anspruch 17, dadurch gekennzeichnet, dass die steuerbare Klemmvorrichtung (8) in Nähe der Eintrittsmündung (200), vorzugsweise innerhalb des Saugrohres (20) angeordnet ist.
- Vorrichtung nach Anspruch 17 oder 18, dadurch gekennzeichnet, dass im Saugrohr (20) ein vorzugsweise durch die steuerbare Klemmvorrichtung gebildetes Absperrventil (85) angeordnet ist.
- Vorrichtung nach einem oder mehreren der Ansprüche 17 bis 18, dadurch gekennzeichnet, dass im Mündungsbereich des Saugrohres (20) eine Fadentrennvorrichtung (23) angeordnet ist.
- Vorrichtung nach Anspruch 20, dadurch gekennzeichnet, dass die Fadentrennvorrichtung (23) durch die vorzugsweise als Schneidkante (230) ausgebildete Mündungskante des Saugrohres (20) gebildet ist.
- Vorrichtung nach einem oder mehreren der Ansprüche 17 bis 21, dadurch gekennzeichnet, dass zur Überwachung des sich von der stationären Fadenschneidvorrichtung (6) zum Saugrohr (20) erstreckenden Fadens (F) eine vorzugsweise als Fadenspannungsmessvorrichtung ausgebildete Fadenüberwachungsvorrichtung (91) vorgesehen ist, welche mit einer Steuervorrichtung (9) steuermäßig verbunden ist.
- Vorrichtung nach Anspruch 22, dadurch gekennzeichnet, dass das Saugrohr (20) so gehalten ist, dass es in Abhängigkeit von der Fadenspannung Querbewegungen ausführt, und die Fadenüberwachungsvorrichtung (91) dem Saugrohr (20) derart zugeordnet ist, dass es diese Querbewegungen registriert.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Steuervorrichtung (9) eine Auswerteeinrichtung (93) zugeordnet ist, welche bei Erreichen einer vorgegebenen Anzahl von Schneidstörungen eine vorgegebene Funktion auslöst.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuervorrichtung (9) mit einer Anzeigevorrichtung (95) und/oder Alarmeinrichtung (94) steuermäßig in Verbindung steht.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuervorrichtung (9) mit einer der stationären Fadenschneidvorrichtung (6) zugeordneten Reinigungsvorrichtung (7) in steuermäßiger Verbindung steht.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Erzeugung einer Reibkraft wenigstens ein Körper den Verlauf des Faden umgelenkt.
- Vorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Körper ein Unterdruckschlauch ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Unterdruckschlauch helixförmig ausgebildet ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen der Anlagefläche des Fadens am Körper und dem Faden selbst ein Reibungskoeffizient vorliegt, der ausreichend groß ist, so daß der Faden beim Schneiden sicher arretiert ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anlagefläche des Körpers aufgerauht ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Erhöhung der Rückhaltekraft eine Steuerungsvorrichtung den durch den Unterdruck hervorgerufenen Volumenstrom zumindest während des Schneidvorgangs erhöht.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Erhöhung der Rückhaltekraft die Steuerungsvorrichtung mittels einer Stellvorrichtung den Strömungsquerschnitt im Bereich des Fadens zumindest während des Schneidvorgangs verringert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10306402 | 2003-02-15 | ||
DE2003106402 DE10306402A1 (de) | 2003-02-15 | 2003-02-15 | Verfahren und Vorrichtung zum Warten einer Arbeitsstelle einer Textilmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1447367A1 true EP1447367A1 (de) | 2004-08-18 |
EP1447367B1 EP1447367B1 (de) | 2006-08-23 |
Family
ID=32668078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030028862 Expired - Lifetime EP1447367B1 (de) | 2003-02-15 | 2003-12-16 | Verfahren und Vorrichtung zum Warten einer Arbeitsstelle einer Textilmaschine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1447367B1 (de) |
CN (1) | CN1314572C (de) |
DE (2) | DE10306402A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK3597581T3 (da) * | 2018-07-17 | 2021-05-17 | Starlinger & Co Gmbh | Båndopviklingsindretning |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4084759A (en) * | 1976-05-17 | 1978-04-18 | Nuova San Giorgio S.P.A. | Method and a device for winding up a yarn reserve |
US4108388A (en) * | 1975-04-16 | 1978-08-22 | Rieter Machine Works Ltd. | Method for catching, severing and rethreading a thread and an apparatus for implementing the method |
US4158444A (en) * | 1977-02-09 | 1979-06-19 | Luwa Ag | Method and apparatus for connecting a yarn and for forming a yarn reserve at a bobbin tube |
DE4012800A1 (de) * | 1989-04-29 | 1990-10-31 | Barmag Barmer Maschf | Fadenabsaugeinrichtung |
DE4343190A1 (de) * | 1993-12-17 | 1995-06-22 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Wickeln einer Fadenreserve |
DE19644593A1 (de) * | 1996-10-26 | 1998-04-30 | Rieter Ingolstadt Spinnerei | Verfahren und Vorrichtung zum Übergeben eines laufend einer Absaugung zugeführten Fadens an eine Leerhülse |
EP1004534A2 (de) * | 1998-11-26 | 2000-05-31 | Murata Kikai Kabushiki Kaisha | Fadenabsaugvorrichtung und Fadenabsaug- und Fadenschneidvorrichtung |
DE19931878A1 (de) * | 1999-07-09 | 2001-01-18 | Rieter Ingolstadt Spinnerei | Verfahren und Vorrichtung zum Warten einer Textilmaschine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3725889A1 (de) * | 1987-08-05 | 1989-02-16 | Gebald Gregor | Verfahren zum vorbereiten von kreuzspulen fuer eine doppeldrahtvorlage |
DE3726337A1 (de) * | 1987-08-07 | 1989-02-16 | Mayer Fa Karl | Fadenendesuchvorrichtung |
DE4004028C2 (de) * | 1990-02-10 | 2001-06-07 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Bilden einer Fadenreserve auf einer Kreuzspule |
DE4241449A1 (de) * | 1992-12-09 | 1994-06-16 | Schlafhorst & Co W | Vorrichtung zum Lösen des Hinterwindungsfadens von der Oberfläche von Kopsen |
DE4337551A1 (de) * | 1993-08-12 | 1995-02-16 | Schlafhorst & Co W | Vorrichtung zum Lösen, Ablängen und Bereitlegen des Fadenendes an Spinnkopsen |
DE4434610B4 (de) * | 1994-09-28 | 2005-07-21 | Saurer Gmbh & Co. Kg | Verfahren und Vorrichtung zum Wickeln eines Fadens |
-
2003
- 2003-02-15 DE DE2003106402 patent/DE10306402A1/de not_active Withdrawn
- 2003-12-16 EP EP20030028862 patent/EP1447367B1/de not_active Expired - Lifetime
- 2003-12-16 DE DE50304734T patent/DE50304734D1/de not_active Expired - Lifetime
-
2004
- 2004-02-16 CN CNB2004100050295A patent/CN1314572C/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108388A (en) * | 1975-04-16 | 1978-08-22 | Rieter Machine Works Ltd. | Method for catching, severing and rethreading a thread and an apparatus for implementing the method |
US4084759A (en) * | 1976-05-17 | 1978-04-18 | Nuova San Giorgio S.P.A. | Method and a device for winding up a yarn reserve |
US4158444A (en) * | 1977-02-09 | 1979-06-19 | Luwa Ag | Method and apparatus for connecting a yarn and for forming a yarn reserve at a bobbin tube |
DE4012800A1 (de) * | 1989-04-29 | 1990-10-31 | Barmag Barmer Maschf | Fadenabsaugeinrichtung |
DE4343190A1 (de) * | 1993-12-17 | 1995-06-22 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Wickeln einer Fadenreserve |
DE19644593A1 (de) * | 1996-10-26 | 1998-04-30 | Rieter Ingolstadt Spinnerei | Verfahren und Vorrichtung zum Übergeben eines laufend einer Absaugung zugeführten Fadens an eine Leerhülse |
EP1004534A2 (de) * | 1998-11-26 | 2000-05-31 | Murata Kikai Kabushiki Kaisha | Fadenabsaugvorrichtung und Fadenabsaug- und Fadenschneidvorrichtung |
DE19931878A1 (de) * | 1999-07-09 | 2001-01-18 | Rieter Ingolstadt Spinnerei | Verfahren und Vorrichtung zum Warten einer Textilmaschine |
Also Published As
Publication number | Publication date |
---|---|
DE10306402A1 (de) | 2004-08-26 |
CN1521105A (zh) | 2004-08-18 |
EP1447367B1 (de) | 2006-08-23 |
DE50304734D1 (de) | 2006-10-05 |
CN1314572C (zh) | 2007-05-09 |
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