EP2918534A1 - Spinning machine and method for transferring a yarn to a piecing device - Google Patents

Abstract

In a method for transferring a yarn (5) produced in a spinning station (1) of a spinning machine to a piecing device for the purpose of re-spinning, wherein the spinning station (1) for winding the yarn (5) on a spool (18) comprises a winding device (8 ) is associated with a changeable yarn guide (23), the yarn production is selectively interrupted and the spinning station (1) controlled stopped. One end (10) of the produced yarn (5) is located after stopping at a defined position in the yarn path in front of the winding device (8). The yarn (5) is unwound and rewound from the reel (18) before re-spinning contrary to its regular take-off direction, wherein first the yarn (5) by means of a spinning-own handling device, in particular a thread lifter (17), lifted out of the yarn guide (23) and only then the rewinding of the yarn (5) is started. In a spinning machine having at least one spinning station (1) for producing a yarn (5), with at least one of the spinning station (1) associated with winding device (8) for winding the yarn (5) on a spool (18), wherein the winding device (8 ) has a changeable thread guide (23), with a control unit, by means of which the spinning station (1) is controlled shutdown, and with a piecing device for re-spinning the yarn (5), at the spinning station (1) a spinning station own handling device is arranged, by means of which the yarn (5) can be lifted out of the yarn guide (23) after the spinning station (1) has been stopped in a controlled manner and can be transferred to the piecing device.

Description

The present invention relates to a method for transferring a yarn produced in a spinning station of a spinning machine to a piecing apparatus for the purpose of re-spinning. The spinning unit is assigned for winding the yarn on a spool a winding device with a changeable yarn guide. In the process, the yarn production is selectively interrupted and the spinning station controlled stopped, the end of the yarn produced is after the still etches at a defined position in the yarn path in front of the winding device. In the method, the yarn is unwound from the spool and rewound before being re-spun contrary to its regular take-off direction. Furthermore, the invention relates to a spinning machine with at least one spinning station for producing a yarn, with at least one of the spinning station associated winding device for winding the yarn on a spool, the winding device comprises a changierbaren yarn guide, with a control unit, by means of which the spinning station is controlled shutdown, and with a piecing device for re-spinning the yarn.

In rotor or air-jet spinning machines, after an interruption of the yarn production process, the free end of the yarn is taken up by a service device that is usually movable along the spinning frame and prepared for re-spinning. Subsequently, the yarn end is again brought into contact with and connected to a fiber material fed to the spinning station, so that the yarn production process can be resumed. At the interruption of the yarn production process, the bobbin-side yarn end usually runs on the still-rotating bobbin. The yarn end must therefore first be visited, for example, by means of a suction nozzle on the bobbin surface in order to be able to transfer it to the piecing device. The search for the yarn end is comparatively time consuming and sometimes has to be done several times until finally a successful piecing process can be performed.

The DE 10 2011 053 811 A1 suggests, therefore, in the case of targeted interruptions of the spinning process, for example, in the detection of a yarn defect by a yarn monitoring unit to put the relevant spinning station controlled to silence. In this case, the conveying speeds of the various conveyors of the spinning station such as delivery unit, take-off device and winding are reduced to a standstill and thereby interrupt the yarn production process. The bobbin-side thread end is thereby no longer wound onto the bobbin, but remains due to the controlled shutdown essentially in its regular thread course, which it occupies during the regular yarn manufacturing process. The end of the yarn is thus after stopping at a defined position, so that it can be absorbed by the piecing without a complex yarn searching operation. For re-spinning usually a piece of the already wound up yarn must be unwound from the coil contrary to its regular take-off direction. When the yarn production process is interrupted by a yarn monitoring device, in order to eliminate the yarn defect, it is usually necessary to rewind a longer length of the yarn in order to separate and dispose of it. The yarn end can after the DE 10 2011 053 811 A1 Although quickly and easily found; However, there is a risk that the yarn is damaged by yarn-guiding components of the spinning machine during rewinding of the yarn or breaks again. Furthermore, there is a risk of winding.

The object of the present invention is therefore to propose a method for transferring a yarn to a piecing device, by means of which damage to the yarn and formation of a lap are avoided can. Furthermore, a corresponding spinning machine to be proposed.

The object is solved with the features of the independent claims.

In a method for transferring a yarn produced in a spinning station of a spinning machine to a piecing device for the purpose of re-spinning, the yarn production is purposefully interrupted and the spinning station is stopped in a controlled manner. The spinning station is associated with a changeable thread guide for winding up the yarn on a bobbin of a winding device. After the controlled shutdown is one end of the yarn produced at a defined position in the yarn path in front of the winding device. In the method, the yarn is unwound from the spool and rewound before being re-spun contrary to its regular take-off direction. Before being rewound, the yarn is now lifted out of the yarn guide by means of a spinning device's own handling device, in particular a thread lifter, and only then is the rewinding of the yarn started. After rewinding when the thread guide is lifted out of the yarn, the yarn is transferred to the piecing device. In a targeted spin interruption, as is done for example by a monitoring unit for yarn monitoring when a yarn fault occurs, the yarn is between its yarn end and its casserole point on the bobbin essentially in its regular yarn path, which it also occupies during the spinning process. By lifting the yarn out of the yarn guide, which can be located in any position within the Spulbereichs after stopping, the yarn can now be safely rewound from the spool, without causing damage or thread breakage of the thread through the yarn guide. Since now the rewinding of the thread eliminates the deflection by the thread guide, the risk of winding formation on rotating parts of the spinning machine is also reduced.

A corresponding spinning machine has at least one spinning station for producing a yarn, and at least one winding device associated with the spinning station for winding up the yarn on a spool. The winding device further comprises a changeable yarn guide and a control unit, by means of which the spinning station is controlled shutdown. To lift the yarn from the yarn guide after the controlled shutdown of the spinning device a spinning station own handling device is arranged on the spinning machine. By means of this handling device, the yarn can be transferred to a piecing device after the yarn has been lifted out and rewound. Usually, a piecing device movable along the spinning stations of the spinning machine is used on such a spinning machine. By the spinning station's own handling device now a safe rewinding of the yarn is possible even after a controlled shutdown, after which the yarn is in its regular yarn path.

It is particularly advantageous if, at the spinning station as the handling device, a thread take-up preferably extending over the entire width of the winding device is arranged. The thread lifter can be moved from a rest position, in which it is outside the regular yarn path of the yarn, in a working position, in which he positioned the yarn above the yarn guide. It is advantageous in a method for rewinding and transferring a yarn to a piecing device when the thread lifter for lifting the yarn out of the thread guide is pivoted from its rest position into a working position in which it positions the yarn above the thread guide. The thread lifter can thereby be arranged to save space at the spinning station and are driven in a simple manner. If the thread lifter extends over the entire winding width of the winding device, so it is still possible to lift the yarn at any point where the yarn guide has stopped, from this. It is therefore not necessary the To move yarn guide in a certain position to lift the yarn out.

According to a particularly advantageous embodiment of a spinning machine, at least the handling device and the thread guide each have a single drive and preferably act together for transferring the yarn to the piecing device. The yarn guide can be moved after lifting the yarn by means of its single drive in a simple manner in a position outside the winding area of the winding device, in which no collisions with the yarn are to be feared during rewinding. Due to the interaction of the individually drivable yarn guide with the yarn lifter, the yarn can be brought into a defined transfer position, in which the piecing device can take over the yarn, without having to go to the coil surface consuming this. In the method for rewinding and transferring a yarn produced in the spinning station, it is therefore also advantageous if, after the yarn is lifted out and before the yarn is rewound, the yarn guide is moved to a parking position on the edge or outside of the winding area of the winding device. The rewinding of the yarn thus takes place in the parking position befindlichem yarn guide.

At the same time it is advantageous if, after the method of the thread guide in the parking position of the thread lifter is returned to its rest position, in particular is pivoted. As a result, the yarn can be rewound from the bobbin essentially in accordance with its regular yarn course, counter to the withdrawal direction, without an additional deflection point being created by the yarn lifter. At the same time the subsequent resumption of the yarn is facilitated in the yarn guide.

It is furthermore particularly advantageous if the spun yarn is monitored by means of a yarn monitoring unit and the spinning station is stopped in a controlled manner upon detection of a yarn defect. The spinning station will thereby advantageously reduced by reducing the conveying speeds of the conveying elements of the spinning station such as the extraction device, winding device and delivery device to its standstill. It is also advantageous if, after the controlled shutdown of the spinning station, the yarn is rewound and a defective piece of yarn is separated. The method according to the invention for rewinding and transferring a yarn end can be used particularly advantageously, since larger lengths of the yarn must be rewound from the reel in order to clean the faulty yarn piece.

However, the method is advantageous not only in the cleaning of a defective piece of yarn, but also in other piecing operations in which the spinning station has been stopped in a controlled manner. For example, such a controlled shutdown with a targeted interruption of yarn production even in case of power failure or shutdown of the machine may be useful. Furthermore, a controlled shutdown can take place before a bobbin change or a change of the fiber material template. In this case, only a small piece of the yarn is rewound and separated before Wiederanspinnen in order to prepare the newly created yarn end for the subsequent piecing process can.

According to an advantageous embodiment of the invention, the individually driven yarn guide on a catcher for independently picking up the yarn. This can be formed, for example, as a slightly upwardly projecting catch tab. To insert the yarn into the yarn guide, it is advantageous in the proposed method if, after the separation of the yarn piece, the yarn guide is moved from the parking position along the winding width of the winding device in order to insert the yarn into the yarn guide. The thread lifter was previously already returned to its rest position to allow the thread guide the process along the winding area.

For the transfer of the yarn to the piecing device, it is also advantageous if the thread guide is moved with the inserted yarn in a transfer position for the piecing. The piecing device therefore only has to approach the always same, predetermined transfer position in order to pick up the yarn. Therefore, a simple hook is sufficient for receiving the yarn through the piecing device, for example. In the prior art, on the other hand, receiving devices extending over the entire winding width, such as a suction nozzle, were required to receive the yarn at an undefined position along the winding area.

It is also advantageous for transferring the yarn to the piecing device if, after the thread guide has reached the transfer position with the inserted yarn, the thread lifter is returned to the working position and the yarn is lifted out of the thread guide again.

In an advantageous further development of the method, after the yarn has been transferred to the piecing device, the thread guide is moved to a parking position on the edge or outside the winding area of the winding device. The following piecing can then be performed by the piecing without this would be hindered by the thread guide and without the risk of damage to the yarn by collisions with the thread guide.

Likewise, in order to perform the piecing operation without interference, advantageously after transferring the yarn to the piecing device the thread lifter is returned to its rest position and the piecing process is carried out.

In a spinning machine according to the invention, it is finally advantageous if it has a control and / or regulating unit which is designed to operate the spinning machine according to one or more steps of the prescribed method.

Figur 1

eine schematische Übersichtsdarstellung einer als Luftspinnmaschine ausgebildeten Spinnmaschine in einer Seitenansicht,

Figuren 2 - 6

eine schematische Darstellung eines Verfahrens zum Rückspulen eines Garns und Übergeben eines Garns an eine Anspinnvorrichtung in einer Ansicht von der Vorderseite her, sowie

Figur 7

eine schematische Darstellung einer als Rotorspinnmaschine ausgebildeten Spinnmaschine in einer Seitenansicht.

Further advantages of the invention will be described with reference to the embodiments illustrated below. Show it:

FIG. 1

a schematic overview of a spinning machine designed as an air spinning machine in a side view,

Figures 2 - 6

a schematic representation of a method for rewinding a yarn and passing a yarn to a piecing in a view from the front, as well as

FIG. 7

a schematic representation of a spinning machine designed as a spinning machine in a side view.

FIG. 1 shows a trained as an air spinning machine spinning machine 16 in a schematic side view. The spinning machine 16 comprises in the usual way a spinning station 1, in which present as a spinning element 21 an air spinning nozzle is arranged, a fiber material supply 20, which is designed here as a drafting device, a take-off device 7 for the spun yarn 5 and a winding device 8 for winding the spun yarn , The spinning station 1 is thereby supplied at its input 2 by a delivery device 6, in this case a delivery roller pair of the drafting system, a stretched by the drafting fiber material 3. The fiber material 3 is spun in the spinning element 21 by means of an air flow to a yarn 5, which is withdrawn at an output 4 of the spinning station 1 by means of the take-off device 7, which in the present case comprises a take-off roller pair 12. The withdrawn yarn 5 is on a balancing bracket 11 by means of a traversing device 24 in a likewise known manner on a spool 18 wound, which is rotatably mounted in a creel 14 on the spinning machine 1. The traversing device 24 includes a yarn guide 23, which has a single drive 22. The bobbin 18 preferably also has a single drive and, as shown here, can be driven by means of a winding roller 15 or by means of a direct drive.

Furthermore, the spinning machine 1 has a yarn monitoring unit 9, which monitors one or more yarn parameters and causes an interruption of the yarn production when a fault occurs in the yarn 5 produced. The interruption of the yarn production is not carried out by a cut, which would inevitably lead to the resulting end 10 of the yarn produced would accrue to the cheese 18, but by means of a targeted shutdown of the spinning station 1, as shown in the in the DE 10 2011 053 811 A1 as well as the DE 10 2011 053 812 A1 is described. The delivery speeds of the delivery device 6, the discharge device 7 and the winding device 8 are not abruptly stopped, but gradually reduced to a standstill, whereby the spinning process is interrupted and a yarn end 10 is formed. Due to the gradual reduction of the speeds while the yarn 5 remains between its severed end 10 and its casserole point 29 substantially in its regular yarn path, which it also occupies during yarn production.

The yarn end 10 is shown in dashed lines in the present illustration and can be, for example, by means of a vacuum-loaded yarn storage 13 (also shown in dashed lines) recorded and fixed. To rewind the yarn 5 and to remove the faulty yarn piece, the yarn 5 is now rewound against its regular take-off direction, which is symbolized by the arrow A, sucked into the yarn storage 13 and can then be separated by means of a separation unit 25, which in turn new end 10 of the yarn 5 is created. This can be brought in a known manner by a piecing either in or outside the spinning station 1 with the fiber material 3 in contact to be spun again.

Such a targeted interruption of the yarn production with a controlled shutdown of the spinning station can be done in the manner described above not only to clean out a faulty Garnstücks, but also before switching off the spinning machine 16 or a power failure. In this case, only a small piece of the yarn 5 is rewound, separated, prepared for re-spinning and transported in the direction of the spinning station 1 before re-spinning.

The present description is to be understood merely as an example. Thus, the yarn store 13 need not necessarily be arranged at the position shown, but could also be above the take-off device 7 (relative to the regular take-off direction) or two or more yarn stores 13 could be provided. The same applies to the separation unit 25. For the separation of a piece of yarn by means of the separator 25, it is only necessary to fix the end 10 of the yarn 5, which can be done by means of a yarn store 13 or by means of the take-off device 7. The separated piece of yarn can then be disposed of by the vacuum-loaded yarn store 13. Furthermore, to determine the position of the end 10 of the yarn 5, one or more sensors 19 may be arranged in the yarn path. In the present case, only a sensor 19 is arranged in the region of the yarn store 13 by way of example.

The inventive method will now be described with reference to Figures 2 - 6 explained, which show a schematic view from the front or obliquely above. In FIG. 2 a situation is shown in which the spinning station 1 has already been stopped and by the interruption of the yarn production, an end 10 of the produced yarn 5 is formed. The yarn 5 is now between its end 10 and its casserole point 29 on the coil in one Course, which also corresponds to the regular yarn course during the yarn production process. The yarn guide 23 is now located at an arbitrary position within the winding area B of the winding device 8.

The end 10 of the yarn 5 can now be like FIG. 1 described in either the take-off device 7 and / or be fixed in a yarn storage 13 to allow the rewinding of the yarn 5 from the spool 18 and the subsequent separation of a piece of yarn. Below the thread guide 23, the compensating bow 11 can be seen, over which the yarn 5 runs during winding by the traversing device 24 and the winding device 8. Between the equalizing bar 11 and the winding device 8, a handling device is still arranged on the spinning machine 16, which is presently formed by a pivotable thread lifter 17.

The pivotable thread lifter 17 is also in FIG. 1 shown in schematic representation. It can be seen that the thread lifter 17 between a rest position, the in FIG. 1 is shown in solid lines and in which it does not affect the course of the yarn 5 between the leveling bar 11 and the casserole point 29, is pivotable into a working position, which is shown in dashed lines herein and in which the thread lifter 17, the yarn 5 (dashed line) above the thread guide 23 is positioned.

In FIG. 2 is the thread lifter 17 in its rest position and the yarn 5 extends from the leveler bar 11 through the yarn guide 23 via the casserole point 29 on the spool 18. Furthermore, a drive 27 of the thread lifter 17 can be seen, which is designed as an electric cylinder, pneumatic cylinder or otherwise can be. The drive 27 actuates the thread lifter 17 in a drive area 28 and pivots him from his in FIG. 2 illustrated resting position in his in FIG. 3 recognizable working position. Now, as in FIG. 2 shown, the spinning station is stopped, interrupted the yarn production and the end 10 of the yarn. 5 has advantageously been fixed in the Garnspeicher 13 and / or the trigger device 7, the thread lifter 17 is now actuated and thereby lifts the yarn 5 from below out of the yarn guide 23 out.

After the yarn 5 has been lifted out of the yarn guide 23, the yarn guide 23 is still moved in its working position thread lifter 17 by means of its single drive 22 in a parking position P in which it does not affect the rewinding of the yarn 5. The parking position P is located at the edge of the winding area B or outside laterally next to the winding area B and is in Fig. 3 recognizable on the right. Likewise, of course, the parking position P could also be arranged in the left edge region of the winding device 8.

After the yarn guide 23 has reached its parking position P, the yarn lifter 17 is lowered by means of its drive 27 in turn to its rest position to perform the subsequent rewinding of the yarn 5 undisturbed can. The rewinding of the yarn 5 is in the present case by two arrows which, contrary to the regular take-off direction A (FIG. FIG. 1 ) are shown running. Furthermore, in FIG. 3 it can be seen that the end 10 of the yarn 5 is now received in a yarn store 13, which is connected to a vacuum source and in which the rewound yarn 5 can be sucked in and sent for disposal. In Fig. 3 while the thread lifter 17 is shown in its working position; Preferably, however, the thread lifter 17 is lowered back to its rest position before rewinding the yarn 5, at the latest at the same time as the beginning of rewinding.

Now, if the faulty or the piece of yarn to be separated completely rewound, the piece of yarn is separated by means of the separator 25, wherein the yarn 5 is preferably fixed in the take-off device 7 or the yarn store 13. It is now the in FIG. 4 shown state in which the defective piece of yarn is already separated, whereby a new end 10 of the yarn 5 is formed. By rewinding the yarn 5 of the coil 18 is now the Auflaufpunkt 29 now usually at a different position than before rewinding. In the following step, the yarn 5 is then picked up again by the yarn guide 23, for which purpose it is moved from its parking position P along the winding area B of the winding device 8. Since the thread lifter 17 is at this moment in its rest position, which FIG. 1 can be seen in a solid representation, the yarn 5 is now automatically in the path of the yarn guide 23 and can be picked up by this by means of a catching device (not shown) as soon as the yarn guide 23 strikes the yarn 5. In FIG. 4 the method of the thread guide 23 is symbolized by an arrow.

In FIG. 5 Now, a situation is shown in which the yarn 5 is already re-inserted in the yarn guide 23. In order to ensure a quick and safe transfer of the yarn 5 to the piecing device, which is generally designed as a movable piecing device along the spinning machine, the yarn guide 23 is now moved with the inserted yarn 5 in a transfer position Ü, in which the yarn. 5 can be removed well by the piecing. In FIG. 5 the process of the yarn guide 23 is symbolized in the direction of the transfer position Ü by means of an arrow. During the process of the yarn guide 23, the thread lifter 17 is still in its rest position.

As soon as the thread lifter 23 has reached the transfer position Ü with the inserted yarn 5 ( FIG. 6 ), the yarn guide 23 is stopped first and the thread lifter 17 spent again in its working position. The yarn 5 is thereby lifted out of the yarn guide 23 again and placed by the yarn lifter 17 in the transition position Ü above the regular yarn path. In FIG. 6 In this case, the yarn path of the yarn 5 can be recognized by the spool 8 via the yarn lifting device 17. The thread guide 23 is now, as symbolized by an arrow, in still standing in working position thread lifter 17 back into its parking position P, which is shown here in dotted lines, out. The yarn 5 is now cleaned from the faulty piece of yarn (or cut to length defined for the following piecing) and ready for takeover by the piecing device.

Since the yarn 5 has been brought by means of the yarn guide 23 and the thread lifter 17 in a defined transfer position, it can now be taken in a simple manner safely and quickly by the piecing. Preferably, the thread lifter 17 is moved back to its rest position only after the yarn 5 has been transferred to the piecing device, so that the transfer position is above the regular yarn path at a defined point of the bobbin B. However, it is also conceivable to transfer the thread lifter 17 already in the rest position after the yarn guide 23 has reached its parking position P. The transfer position is in this case within the regular yarn path, but at a defined point of the winding area B. The transfer position must not necessarily be in the middle of the winding area B.

FIG. 7 Finally shows a spinning machine 16, which is designed as a rotor spinning machine and in which instead of an air nozzle as a spinning element 21, a spinning rotor is arranged to which a dissolved in individual fibers fiber material 3 'in a conventional manner by an opening roller 26 is supplied. The delivery device 6 is formed in this case by a feed roller, which fiber material 3 from a fiber material supply 20, here a spinning can, the spinning station 1 and der Auflösewalze 26 fed. The other components correspond to those of the air spinning machine FIG. 1 to which reference is made at this point. The same applies to the stopping of the spinning station 1 and the monitoring by the yarn monitoring unit 9. Also in a rotor spinning machine, it is advantageous if the yarn 5 can be presented in a defined transfer position by means of a single drivable yarn guide 23 and a thread lifter 17 of the piecing. The piecing device can thereby be simplified and required to take over the yarn. 5 only a hook, but not over the entire Spulbereich B extending receiving unit. The rewinding of the yarn and the picking up of the yarn 5 by the piecing device or the transfer of the yarn 5 to the piecing can thus be done safely and quickly in a simple manner, so that thereby the downtime of the spinning station 1 can be kept low. That in the Figures 2 - 6 described method and the thread lifter 17 shown there is also applicable to such a rotor spinning machine.

The invention is not limited to the illustrated embodiments. Combinations within the scope of the claims, as far as they are technically possible and useful, are also the subject of the invention.

LIST OF REFERENCE NUMBERS

1

spinning unit

2

entrance

3

fiber material

3 '

fiber material dissolved in individual fibers

4

output

5

yarn

6

Delivery device (delivery roller pair, feed roller)

7

off device

8th

spooling device

9

Garnüberwachungseinheit

10

End of the manufactured yarn

11

balance stirrup

12

Off rollers

13

yarn store

14

creel

15

winding roller

16

spinning machine

17

thread lifting

18

Kitchen sink

19

sensor

20

Fiber material feed (spinning can, drafting system)

21

Spinning element (spinning rotor, air spindle)

22

Single drive of the thread guide

23

thread guides

24

Traversing device

25

separation unit

26

opening roller

27

Drive of the thread lifter

28

Control range of the thread lifter

29

accumulating point

A

withdrawal direction

B

winding region

P

parking position

Ü

Transfer position

Claims (16)

Method for transferring a yarn (5) produced in a spinning station (1) of a spinning machine (16) to a piecing device for the purpose of re-spinning, wherein the spinning station (1) for winding the yarn (5) onto a reel (18) comprises a winding device ( 8) is associated with a changeable yarn guide (23), wherein in the process the yarn production is selectively interrupted and the spinning station (1) is stopped in a controlled manner, wherein one end (10) of the yarn produced (5) after stopping at a defined position in the yarn path upstream of the winding device (8), and wherein the yarn (5) prior to rejoining opposite to its normal take-off direction (A) of the coil (18) unwound and rewound, characterized in that firstly the yarn (5) by means of a spinning-own handling device, in particular a thread lifter (17), from the thread guide (23) is lifted out, after lifting the yarn (5) rewound w ird and after rewinding the yarn is transferred to the piecing device. Method according to the preceding claim, characterized in that for lifting the yarn (5) out of the yarn guide (23) the yarn lifter (17) is moved from a rest position to a working position, in particular is pivoted. Method according to one of the preceding claims, characterized in that after lifting the yarn (5) and before rewinding the yarn (5) of the yarn guide (23) in a parking position (P) at the edge or outside of a winding area (B) of the winding device (8). Method according to one of the preceding claims, characterized in that after the method of the thread guide (23) in the parking position (P) of the thread lifter (17) is returned to its rest position. Method according to one of the preceding claims, characterized in that the spun yarn (5) is monitored by means of a yarn monitoring unit (9) and the spinning station (1) is stopped in a controlled manner upon detection of a yarn defect. Method according to one of the preceding claims, characterized in that after the controlled stopping of the spinning station (1), the yarn (5) is rewound and a piece of yarn, in particular a faulty piece of yarn is separated. Method according to one of the preceding claims, characterized in that after the separation of the yarn piece of the yarn guide (23) from the parking position (P) along a winding area (B) of the winding device (8) is moved to the yarn (5) in the yarn guide (23). Method according to one of the preceding claims, characterized in that the yarn guide (23) with the inserted yarn (5) is moved into a transfer position (Ü) for the piecing device. Method according to one of the preceding claims, characterized in that for transferring the yarn (5) to the piecing device, the thread lifter (17) is moved into the working position and the yarn (5) is lifted out of the thread guide (23). Method according to one of the preceding claims, characterized in that after transferring the yarn (5) to the piecing device, the yarn guide (23) is moved to a parking position (P) at the edge or outside of a winding region (B) of the winding device (8). Method according to one of the preceding claims, characterized in that after the passing of the yarn (5) to the piecing of the yarn lifter (17) is brought back into its rest position and the piecing is carried out. Spinning machine (16) with at least one spinning station (1) for producing a yarn (5), with at least one winding device (8) associated with the spinning station (1) for winding the yarn (5) onto a spool (18), the winding device ( 8) has a changeable thread guide (23), with a control unit, by means of which the spinning station (1) is stopped in a controlled manner, and with a piecing device for re-spinning the yarn (5), characterized in that at the spinning station (1) a spinning station own handling device is arranged, by means of which the yarn (5) after the controlled stopping of the spinning station (1) from the yarn guide (23) can be lifted and is handed over to the piecing device. Spinning machine according to the preceding claim, characterized in that the handling device comprises a preferably over an entire winding region (B) of the winding device extending (8) thread lifters (17), which from a rest position in which it is located (outside of the regular yarn path of the yarn 5) can be brought into a working position in which it positions the yarn (5) above the thread guide (23). Spinning machine according to one of claims 12-13, characterized in that at least the handling device and the thread guide (23) are individually driven and preferably cooperate for transferring the yarn (5) to the piecing device. Spinning machine according to one of claims 12-14, characterized in that the thread guide (23) has a catching device for the automatic picking up of the yarn (5). Spinning machine according to one of claims 12 - 15, characterized in that the spinning machine (16) has a control and / or regulating unit which is designed to operate the spinning machine (16) according to one or more of claims 1-11.

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