DE102014009203A1

DE102014009203A1 - Workplace of a cheese-producing textile machine

Info

Publication number: DE102014009203A1
Application number: DE102014009203.8A
Authority: DE
Inventors: Alexander Marx; Michael Reimann; Stefan Bungter; Ute Holt
Original assignee: Saurer Germany GmbH and Co KG
Current assignee: Saurer Spinning Solutions GmbH and Co KG
Priority date: 2014-06-20
Filing date: 2014-06-20
Publication date: 2015-12-24
Also published as: JP6538437B2; JP2016008144A; EP2957532A1; CN105270924A; EP2957532B1; CN105270924B

Abstract

The invention relates to a workstation (1) of a textile machine producing cross - wound bobbins, with a pivotally mounted creel (11) for rotatably supporting a package (5), a roll (34) on which the package (5) rests during the winding process and an importer If necessary, with a vacuum acted upon thread suction device (21) for receiving a after a Spulunterbrechung on the surface of the package (5) accumulated upper thread. According to the invention it is provided that the Fadenansaugeinrichtung (21) is a stationary. arranged device which has a movably mounted upper pivot plate (22) and a movably mounted lower pivot plate (23), wherein the pivot plates (22, 23) are each arranged around the roller (34) around, that they for receiving of the upper thread in the region of the surface of the package (5) between them form a vacuum nozzle contour can be acted upon.

Description

The invention relates to a workstation of a cross-wound textile machine with a pivotally mounted creel for rotatably supporting a package, a roll on which the package rests during the winding process and a pressure applied in case of suction yarn suction for receiving a after a winding interruption on the surface of the package accumulated upper thread.
On the workstations of cheesemaking textile manufacturing machines, especially so-called cheese, bobbins, for example, spinning cops, which were manufactured on upstream in the working process textile machines, for example ring spinning machines, and which have relatively little yarn material, wrapped into cheeses, which have a much larger yarn volume ,
The jobs of such textile machines have each, such as in the DE 10 2005 001 093 A1 is described, in the field of yarn path from Spinnkops to cheese different Fadenüberwachungs- and treatment facilities, with which the current thread during the rewinding is also monitored for any thread error out. If thread defects are discovered that exceed certain limits, they are cut out and replaced by almost yarn-like, usually pneumatically produced thread connections, so-called thread splices.
The jobs of these known automatic cheese winder have u. a. via a winding device which has a pivotable creel for rotatably supporting a cross-wound bobbin and, for example, a so-called yarn guide drum for frictionally rotating the cross-wound bobbin and for simultaneously traversing the running thread.
Such jobs are usually also each equipped with a lower thread sensor, a thread tensioner, a thread cleaner with thread trimming device, a yarn tension sensor, a thread catching nozzle and often with a paraffining device.
For reconnecting the thread ends after a thread break or after a controlled cleaner cut such jobs also have a Fadenspleißvorrichtung and thread handling devices in the form of a pivotally mounted, unterdruckbeaufschlagbaren suction nozzle for the upper thread and a pivotally mounted, also unterdruckbeaufschlagbaren gripper tube for the lower thread. The suction nozzle and the gripper tube are usually connected to a machine-length vacuum crossbar and ensure that if necessary accumulated on the cross-wound bobbin or fallen onto the supply bobbin thread ends are transported to Fadensleiißvorrichtung.
The above-described jobs of cheese-making textile machines have been proven in practice in principle, but have the disadvantage that, especially in difficult yarns, the success rate in receiving the yarn end of the upper thread is often unsatisfactory.
Another disadvantage of such trained jobs is that it often comes during Umspulprozesses to a considerable dust, with the result that the jobs dirty relatively quickly and then again need to be cleaned consuming.
In order to avoid such contamination of the jobs, it has therefore been proposed to equip the work stations with a largely closed Fadenleitkanal, that is, the area of the yarn path so that the thread runs during Umspulvorganges in a relation to the environment largely closed shaft.
In the DE 10 2010 049 515 A1 For example, a cross-winding machine is described, the jobs each have a thread running path enclosing, multi-part Fadenleitkanal extending between the Abspulstellung a supply bobbin and the winding device of the workplace.
In the yarn guide, which can be acted upon by negative pressure, if necessary, a plurality of receiving housing or receiving sections for different Fadenüberwachungs- and treatment facilities are integrated. At the upper end of the Fadenleitkanal is equipped with a somewhat complicated, movably mounted Fadenansaugeinrichtung, while the lower end of the Fadenleitkanals has a Abspulhilfseinrichtung having, for example, a vertically slidably mounted suction cup. Furthermore, the flow direction of the pending in Fadenleitkanal vacuum flow is defined predetermined, with the result that after a Spulunterbrechung in a relatively simple and secure way, the transfer of the yarn ends resulting from a yarn breakage can be secured to a Fadensleiißeinrichtung.
In these known automatic cheese winder is achieved by integrating the Fadenüberwachungs- and treatment facilities in a Fadenlaufweg enclosing Fadenleitkanal that the umzuspulende thread is encapsulated during the winding process on the vast majority of its thread travel from the environment, resulting in particular with respect to the development of dirt on the Employment has a very positive impact.
Something disadvantageous in these known, in itself advantageous jobs, however, is the relatively complex and somewhat prone to failure training each arranged in the field of package winding Fadenansaugeinrichtung. This arranged on the output side of Fadenleitkanals Fadenansaugeinrichtung has a suction head receiving housing to which a Saugluftstutzen is connected. To the suction head receiving housing further a limited pivotally mounted suction head and a positionable in various positions control flap are connected.
Furthermore, for example, by the DE 10 2012 016 854 A1 a cross-wound textile machine known, the jobs are each equipped with a device for connecting a connected to a package upper thread and an associated with a drain bobbin lower thread.
The workstations each have a workstation computer for controlling the connection process, a first suction nozzle for receiving the upper thread and a second suction nozzle for detecting the lower thread. The first suction nozzle has a tubular, pivotally mounted connection part, a stationary suction nozzle head part and a suction connection for loading the first suction nozzle with suction air. The suction nozzle head part is in each case arranged in the region of the winding device of a workstation such that a suction slot is positioned in the region of a take-up bobbin located in the winding device. If necessary, the tubular connection part can be separated from the suction nozzle head part and swiveled such that an upper thread taken up by the first suction nozzle is transferred into a thread connecting device.
In practice, however, has proven that even at jobs that, as in the DE 10 2012 016 854 A1 described, are formed in difficult Garnverhältnissen it comes in receiving the thread end of the upper thread often problems.
Based on the aforementioned prior art, the present invention seeks to develop jobs for cheese-producing textile machines, which have a reliable under all operating conditions, uncomplicated Fadenansaugeinrichtung, in particular for receiving a accumulated on a cross-wound bobbin thread.
This object is achieved in that the Fadenansaugeinrichtung the workplace is a stationarily arranged in the region of a winding device, which has a movably mounted upper pivot plate and a movably mounted lower pivot plate, wherein the pivot plates are each so pivoted about the roller in that, to accommodate the upper thread in the area of the surface of the package, a vacuum nozzle contour can be formed between them.
Advantageous embodiments of the invention are the subject of the dependent claims.
In particular, the thread suction device according to the invention has the advantage that, with such a design, an optimization of the suction air flow pending in the area of the thread suction device is possible. That is, the use of two such pivot plates and their individually adjustable positioning with their leading edges in the immediate vicinity of the surface of the rotating package can be significantly improved after a Spulunterbrechung the recording of the thread end of an accumulated on the package upper thread.
In an advantageous embodiment, it is provided that the two pivot plates are independently defined controllable. In this way, it is easily possible, if necessary, for example, because the results of the recording of the thread end of the upper thread do not meet the desired requirements, even subsequently interfere with the final position of the pivoting plates control technology. For example, both the distance of the front edge of the upper pivoting plate, and the distance of the front edge of the lower pivoting plate to the surface of the package can be subsequently corrected in the sense of improving the upper thread receiving.
By appropriately driving the lower pivot plate can also be ensured that after the thread connection, the lower pivot plate is always positioned so that it does not hinder easy threading of the spliced thread in the Fadenführungsnut than designed as a thread guide drum roller.
In a first advantageous embodiment, the thread suction device according to the invention End piece of a closed except for a lower and an upper opening Fadenleitkanals, wherein the openings are also closed by appropriate means if necessary.
The upper opening can be temporarily closed, for example by pivoting back the upper pivot plate and thus flow conditions are generated in Fadenleitkanal that positively affect the inclusion of the thread end of a lower thread.
That is, the upper swing plate may be as needed from an upper working position, in which the upper pivot plate is positioned during the winding process and in which the leading edge of the pivot plate in the vicinity of the surface of the winding creel rotating in the winding direction and thus the Fadenleitkanal up completely is open, are pivoted to a lower working position, in which the upper pivot plate is in front of the yarn guide and this completely closes.
In this closed position of the upper pivot plate, as is well known and, for example, in the DE 10 2010 049 515 A1 relatively described in detail, by means of a diaphragm disc or the like. The direction of Saugluftströmung in Fadenleitkanal changed so that in the region of the spinning cop a vacuum flow is present, which ensures that the yarn end of the lower thread is detached from the spinning cop and conveyed to a preferably pneumatically operated thread splicer.
In an advantageous embodiment, the lower pivot plate is spaced closer to the roller than the upper pivot plate. The trailing edge of the lower pivoting plate is also positioned on the side of the roller opposite the leading edge of the upper pivoting plate in the region of the surface of the winding take-up spool rotating in the winding direction during the regular winding operation. The upper pivoting plate is always positioned during the regular winding operation in an upper working position in which the front edge of the pivoting plate is adjacent to the rotating surface of the package.
Such a positioning of the pivot plates ensures that in the event of a thread break or a controlled thread cleaner cut the high-impact thread end can not be thrown next to the bobbin. In particular, the upper pivot plate ensures that the thread end of the upper thread remains in the region of the surface of the package and can subsequently be easily resumed by means of the thread suction device according to the invention. The lower pivot plate also ensures that the air flow circulating with the roller is deflected upward in the direction of the take-up bobbin. This means that it is prevented that the thread end prematurely detached from the surface of the cheese and then no longer detectable by the Fadenansaugeinrichtung.
In an advantageous embodiment, it is further provided that the pivoting plates can each be positioned via a defined controllable actuator. The swivel plates are connected either to an electric actuator or to a pneumatic actuator. As electric actuators for positioning the swivel plates, for example, stepper motors can be used, which are known to be commercially available cheaply and have proven to be quite useful in textile machinery in practice. In an alternative embodiment, however, pneumatic actuators can also be used for positioning the pivoting plates. For example, pneumatic thrust piston transmissions can be used. Also, such pneumatic thrust piston gearboxes represent relatively inexpensive, long-proven components in textile machinery.
Furthermore, in a further embodiment of the thread suction device according to the invention, it is possible for a suction tube, which can be acted upon by negative pressure, to be coupled to the thread suction device if required. Even with such a design defined controllable pivot plates are used, which can be advantageously positioned depending on the operating condition and ensure, if necessary, a reliable recording of the thread end of a top thread.
The invention will be explained in more detail with reference to embodiments shown in the drawings.
It shows:
1 3 shows a perspective view of a first embodiment of a workstation of a textile machine producing cross-wound bobbins, with a thread suction device according to the invention arranged in the region of the winding device and positioned in the exemplary embodiment on the end side of a thread guide channel;
2 a side view of another embodiment of a workstation of a cross-wound textile machine, with a thread suction device according to the invention arranged in the region of the winding device and, in the exemplary embodiment, by means of a pivotally mounted, tubular connection part,
3 the Fadenansaugeinrichtung invention according to 1 on a larger scale,
4 in side view, partially in section, the thread suction device according to the invention during the recording of the thread end of an upper thread,
5 the Fadenansaugeinrichtung invention according to 4 during the recording of the thread end of a lower thread.
6 the Fadenansaugeinrichtung invention according to 4 during regular winding operation.
The 1 shows a perspective view of a job 1 a cross-wound textile machine with one in the field of winding device 4 , end of a thread guide 6 arranged, Fadenansaugeinrichtung invention 21 ,
As is generally known, such cheese-producing textile machines, such as automatic packages, usually have a plurality of such identical jobs 1 on which feed bobbins 2 , usually produced on ring spinning machines spinning cops, which have relatively little yarn material, too bulky packages 5 , usually cheeses, are rewound.
The finished cheeses 5 are then, as also known, transferred by means of a self-acting service unit, for example by means of a so-called cheese changer, on a machine-spooled cross-bobbin transport device and transported to a machine end side Spulenverladestation or the like.
The jobs 1 Such automatic packages are either equipped with a round magazine in which some spinning cops can be stored, or have the cheese, as in 2 represented, a logistics device in the form of a coil and sleeve transport system 43 on. In such, known per se coil and tube transport systems 43 run spinning cops 2 or empty tubes around, in vertical alignment on transport plates 48 are arranged.
As in the 1 and 2 indicated, the delivered supply bobbins 2 in the field of jobs 1 each positioned in an unwinding position AS and in this unwinding position AS on a cross-wound bobbin 5 rewound. The individual jobs 1 For this purpose, have various Fadenüberwachungs- or treatment facilities, which ensure that the thread 29 the original bobbin 2 during the rewinding process is monitored for thread error out and detected thread defects are cleaned before the thread 29 on a casserole 5 is wound up.
The jobs 1 Such automatic packages have, for example, a winding device 4 , a thread connecting device 8th , preferably in the form of a pneumatically operated thread splicing device, a thread tensioner 9 , a thread cleaner 10 and a yarn tension sensor 35 , Optionally, such jobs 1 also be equipped with a (not shown) paraffining device.
The winding devices 4 these jobs 1 each have a coil frame 11 that is about a pivot axis 30 is movably mounted, as well as a cheese drive device.
In the present embodiment, the cheese drive device is a roller 34 , preferably designed as a thread guide drum, which is the cross-wound bobbin 5 frictionally rotates and at the same time ensures that the on the package 5 running thread 29 is traversed.
The thread guide drum 34 is in the exemplary embodiment of a controllable drive device 37 connected.
According to the in 1 illustrated embodiment extends between the position in the unwind AS AS feed bobbin 2 and the winding device 4 a Fadenleitkanal enclosing the thread running path 6 which can be acted upon if necessary defined with negative pressure of, for example, the machine's own vacuum system. The thread guide channel 6 is the input side with a Abspulhilfseinrichtung 3 , For example in the form of a telescopically trained suction cup 19 , equipped, that is, the squeegee 19 is by means of a double arrow 36 only schematically shown drive device mounted displaceably in the vertical direction and can, if necessary, for example, for receiving the thread end of a lower thread, at least partially, on the feed bobbin 2 be lowered.
The thread guide channel 6 points in the thread running direction F behind the squeegee 19 a receiving section 33 for a thread tensioner 9 and following the receiving section 33 a relatively large housing 18 for a yarn splicing device 8th on. The thread guide channel 6 is further with recording sections 32 . 31 equipped in the direction of yarn thread F behind the receiving housing 18 are arranged and in which a thread cleaner 10 or a yarn tension sensor 35 are installed. In this area could also be a (not shown) receiving housing for a waxing in the Fadenleitkanal 6 be integrated. On the output side, the Fadenleitkanal 6 a Fadenansaugeinrichtung invention 21 on, in turn, via a defined controllable upper pivot plate 22 as well as via a defined controllable lower swivel plate 23 features. This in 1 for reasons of clarity not shown lower pivot plate 23 is by means of an actuator 39 , which is preferably designed as a stepping motor and on a bearing device 38 is attached, swiveling. The upper swing plate 22 is by means of a corresponding actuator 20 , which is preferably also designed as a stepper motor, positionable.
As in 1 further seen, the Fadenansaugeinrichtung 21 over an opening 26 with the thread guide channel 6 connected. The thread guide channel 6 in turn is below the Fadenansaugeinrichtung 21 via a suction opening 28 to which a Saugluftstutzen 14 is connected, with a machine-long suction air duct 17 the textile machine in connection.
The suction air connection 14 is there, like the Saugluftstutzen 12 and 13 holding the receiving case 18 the thread splicing device 8th with the suction air duct 17 connect, for example via a diaphragm disc 15 , if necessary with negative pressure acted upon. That is, the rotatably mounted diaphragm disc 15 has defined positionable suction 16 on, which, depending on the position of the aperture disc 15 , make sure that one or more of the suction air nozzles 12 . 13 . 14 pneumatically continuous to the suction air duct 17 is connected / are.
Instead of in 1 shown aperture plate 15 are related to the Saugluftstutzen 12 . 13 . 14 Of course, other control devices conceivable. For example, each of the suction air nozzles could be connected to the suction air channel by a separate valve device or the like 17 be connected.
In 2 is a side view schematically another embodiment for a job 1 a textile machine producing cross-wound bobbins. As already mentioned in connection with the 1 explained, are on such jobs produced on a ring spinning machine spinning cops 2 to large-volume cheeses 5 rewound. After their completion, the cheeses are 5 by means of an automatically operating service unit, preferably a cross-bobbin changer, on a machine-spun cross-bobbin transport device 49 passed and transported to a machine end side arranged Spulenverladestation or the like.
As in 2 illustrated, such cheese-producing textile machines often have a logistics device in the form of a coil and sleeve transport system 43 in, on, on transport plates 48 , Spinning cops 2 or empty tubes circulate. Furthermore, such textile machines usually have a central control unit, which via a machine bus with the workstation computers 56 the individual jobs 1 connected is.
From the above-mentioned sleeve transport system 43 are in 2 only the Kopszuführstrecke 44 , the reversibly drivable storage section 45 , one of the jobs 1 leading transverse transport routes 46 as well as the sleeve return path 47 shown.
The delivered spinning cops 2 are in the unwinding position AS, which are in the range of the transverse transport routes 46 at the jobs 1 located, too large cross-wound bobbins 5 rewound. The individual winding units have, as known and therefore only hinted at, various devices that ensure the proper operation of these jobs 1 guarantee. These devices are, for example, an upper thread receiving device to be described later 21 . 51 , a gripper tube 52 for receiving the lower thread and a thread connecting device 8th , which is preferably designed as a pneumatic splicer. Such winding units 2 also have thread tensioners 9 and further, not shown devices, such as a thread cleaner, a waxing device, a thread cutting device, a yarn tension sensor and a lower thread sensor.
A total with the reference number 4 characterized winding device consists of a coil frame 11 that is about a pivot axis 30 is movably mounted and having means for rotatably supporting a cheese package. During the winding process is the cheese 5 with its surface on a roller 34 , For example, a yarn guide drum, is rotated by this frictionally. As already indicated above, every job has 1 via an upper thread receiving device 21 . 51 as well as a gripper tube 52 , each via a suction air connection to a machine-long suction channel 17 are connected.
The upper thread receiving device comprises a tubular connecting part 51 and a stationary head portion, as the thread suction device according to the invention 21 is trained. The tubular connection part 51 is about a rotation axis 54 pivoted. Preferably, the tubular connection part 51 associated with a (not shown) pivot drive, the pivotal movement of the tubular connecting part 51 performs. The tubular connection part 51 is, for example, in the area of its axis of rotation 54 via a (not shown) valve device or the like., To the suction air duct 17 connected. The free end of the tubular connection part 51 can with the Fadenansaugeinrichtung 21 be connected so that it can be subjected to negative pressure, for example, after a yarn breakage on the cheese 5 to capture the accumulated thread end.
The thread suction device 21 is for example on the winding station housing 55 attached and has defined controllable swivel plates 22 . 23 on top of a thread guide drum 34 are installed around. To perform defined pivoting movements of the swivel plates 22 . 23 are actuators 20 . 39 provided below on the basis of 3 - 6 be explained in more detail.
The gripper tube 52 is about a rotation axis 53 pivotally mounted and has at its free end also a gripper tube flap, which makes it possible to close the gripper tube mouth.
The 2 shows the state of a job 1 during the normal winding process. The tubular connection part 51 is with its free end to the invention Fadenansaugeinrichtung 21 docked. The upper swing plate 22 is positioned in a working position in which the leading edge 27 of the swivel plate 22 adjacent to the surface of the cheese in the winding direction W rotating cheese 5 stands. Also the lower swing plate 23 stands with its trailing edge adjacent to the surface of the rotating cheese 5 ,
The gripper tube 52 is positioned in a lower position during the normal winding process. That is, the gripper tube mouth is below the thread connecting device 8th positioned.
The 3 - 6 each show an embodiment of a Fadenansaugeinrichtung invention 21 , the end of a Fadenleitkanals 6 in the area of a cheese drive device of a job 1 is arranged. The 3 - 6 disclose various partial views or different operating positions of the Fadenansaugeinrichtung 21 , The 3 shows, for example, on a larger scale and in a rear perspective view of a Fadenansaugeinrichtung invention 21 , As can be seen, the Fadenansaugeinrichtung 21 in the region of a preferably designed as a thread guide drum roller 34 arranged to which an electric motor 37 connected. The drive 37 is defined controllable and ensures proper operation of the roller 34 and thus for a clean rotation during the winding operation on the roller 34 stored cheese 5 ,
That is, the drive 37 turns the roller 34 properly around its axis of rotation 24 , Furthermore, the shows 3 the upper swing plate 22 the Fadenansaugeinrichtung 21 in the upper working position OAS, in which the leading edge 27 in lateral guidance devices 40 . 41 movably mounted swivel plate 22 close to the surface of a (in 3 not shown) slowly in the unwinding R circulating creel 5 is positioned. The in 3 only schematically by a double arrow 20 indicated actuator of the upper pivot plate 22 is preferably designed as a stepper motor. This stepper motor is connected to an in 3 attached to non-visible storage device and drives via an integrated transmission in the bearing device, the upper pivot plate 22 at. This in 3 because invisible, dashed illustrated lower pivot plate 23 is by an actor 39 defined applied. The actor 39 of the lower swivel plate 23 is how the actor 20 of the upper pivot plate 22 , preferably also designed as a stepping motor and like this on a storage device 38 attached. The top 22 and the lower one 23 Swivel plate is in each case at a different distance from the roller 34 stored. That is, in the in 3 shown working positions form between them via the Fadenleitkanal 6 , especially an upper opening 26 , Vacuum nozzle contour that can be subjected to negative pressure.
In 3 is also hinted, that is, also dashed, in the Fadenleitkanal 6 integrated intake opening 28 the intake manifold 14 shown. In addition, the storage facility 38 for the stepper motor 39 of the lower swivel plate 23 shown.
The 4 shows in side view the winding device 4 a job 1 during the recording of the thread end of an upper thread. On a thread guide drum 34 that of a Fadenansaugeinrichtung invention 21 is surrounded, is designed as a cross-wound coil, in a creel 11 rotatably mounted package 5 on top of the thread guide drum 34 slowly in the direction of R, that is, is rotated frictionally against the regular winding direction.
As can be seen, both the upper pivot plate 22 as well as the lower swivel plate 23 with their leading edges in the area of the surface one through the roller 34 slowly in the unwinding R rotating package 5 positioned. The drive of the upper swivel plate 22 is by an arrow 20 ' symbolizes while the drive for the lower swivel plate by an arrow 39 ' is indicated. As already explained above, preferably both the drive 20 of the upper pivot plate 22 , as well as the drive 39 of the lower swivel plate 23 designed as stepper motors.
The thread guide channel 6 in this operating condition, for example via the intake manifold 13 and the aperture disc 15 , so on the machine-long suction air duct 17 is also in the area of his in 1 illustrated lower opening 25 closed by a corresponding device. In such a constellation arises in Fadenlei channel 6 a directed against the normal direction of yarn flow vacuum flow 7 , which ensures that the thread end of the upper thread between the swivel plates 22 . 23 from the surface of the package 5 taken over the Fadenleitkanal 6 reliably in the area of the thread splicing device 8th transferred and inserted there in this.
The 5 shows the winding device 4 a job 1 during the recording of the thread end of a lower thread. As shown, is preferably the package 5 from the roller 34 lifted and the upper pivot plate 22 by means of his drive 20 '' positioned so that the opening 26 the Fadenleitkanals 6 is closed at the top.
At the same time, the thread guide channel 6 for example, via the intake manifold 12 and the aperture disc 15 so on the machine-long suction air duct 17 connected that in Fadenleitkanal 6 prevails over large parts in the direction of yarn thread F negative pressure flow, which in conjunction with, for example, the Abspulhilfseinrichtung 3 Ensures that the thread end of the lower thread from the feed bobbin 2 subtracted, over the Fadenleitkanal 6 in the area of the thread splicing device 8th transferred and inserted there in this. The thread end of the lower thread is in the Fadensleißeinrichtung 8th then spliced with the thread end of the upper thread.
During regular winding operation, in 6 is shown, is the package 5 on the example formed as a thread guide drum roller 34 on and is frictionally rotated by this in the winding direction W. The upper swing plate 22 is through his drive 20 ' positioned in its upper working position, in which the leading edge 27 of the upper pivot plate 22 adjacent to the rotating surface of the package 5 stands. The lower swivel plate 23 is through his drive 39 '' with its trailing edge 42 also in the region of the surface of the winding coil W rotating in the winding direction 5 positioned, however, is the trailing edge 42 of the lower swivel plate 23 on the front edge 27 of the upper pivot plate 22 opposite side of the roller 34 ,
The operation of a closed with a Fadenleitkanal 6 and a Fadenansaugeinrichtung invention 21 equipped job 1 is the following:

If it is during the winding operation of the job 1 comes to a Spulunterbrechung, for example, due to a thread break or a controlled cleaner cut, the yarn end of the upper thread runs on the surface of the cheese 5 on, while the thread end of the lower thread either in the thread tensioner 9 is clamped, or further down on the feed bobbin 2 falls.
In order to be able to restart the winding process on the affected workstation after such a winding interruption, first the yarn ends of the upper and lower thread must be connected again to form a continuous thread. That is, both the lower thread and the upper thread must be in a receiving housing 18 the Fadenleitkanals 6 arranged thread splicer 8th brought and placed there in this. The thread splicing device 8th then connects the thread ends of the upper thread and the lower thread, preferably after cleaning up any thread defects, again almost the same yarn.
In practice, for receiving the lower thread initially the aperture disc 15 adjusted so that the Saugluftstutzen 12 over one of the intake openings 16 the aperture disc 15 pneumatically continuous to the machine-long suction air duct 17 is connected while the Saugluftstutzen 13 and 14 however, remain closed.
In addition, the upper pivot plate 23 the Fadenansaugeinrichtung 21 in the in 5 positioned shown closed position.
In this constellation arises in the area of Fadenleitkanals 6 a negative pressure flow in the thread running direction F, the suction of the foot 19 over the thread guide channel 6 and the suction air connection 12 to the suction air duct 17 is directed. The usually in the thread tensioner 9 held lower thread is then released and slides under the influence of the negative pressure flow, through appropriate Leitkonturen in Fadenleitkanal 6 led to the suction air duct 17 and is doing properly in the housing 18 the Fadenleitkanals 6 arranged thread splicer 8th positioned. For example, in the area of the suction air connection 12 arranged bobbin sensor detects the presence of the lower thread and then initiates the upper thread detection.
Should the thread end of the lower thread after a yarn break, however, on the feed bobbin 2 may have fallen behind, by lowering the squeegee 19 the bobbin thread also from the feed bobbin 2 be sucked and passes over the Fadenleitkanal 6 also in the suction air duct 17 , That is, also one on the original bobbin 2 The lower bobbin thread properly becomes the thread splicing device 8th transferred and inserted into this.
To remove the thread of a lower thread from the supply spool 2 can support the squeegee 19 also be equipped with a device which is the introduction of a blast of compressed air on the winding cone of the feed bobbin 2 enables, which has a very positive effect on the Fadenablöseverhalten.
To capture the on the surface of the cheese 5 accumulated thread end of the upper thread is the aperture disc 15 adjusted so that the Saugluftstutzen 13 over one of the intake openings 16 pneumatically continuous to the machine-long suction air duct 17 is connected while the Saugluftstutzen 12 and 14 stay closed.
Furthermore, as in 4 represented, the upper 22 and the lower one 23 Swing plate of Fadenansaugeinrichtung 21 close in the region of the surface of the slowly in the unwinding R rotating package 5 positioned and thereby form a suction nozzle contour. In addition, a preferably in the Abspulhilfseinrichtung 3 arranged (not shown) shutter or the like. In the closed position.
In this constellation arises in the area of Fadenleitkanals 6 a negative pressure flow 7 a, which from the mouth region of the Fadenansaugeinrichtung 21 over the Saugluftstutzen 13 to the suction air duct 17 is directed and which ensures that on the surface of the cheese 5 accumulated yarn end of the upper thread of the unwinding in the direction of rotation R cheese 5 is removed. The recorded upper thread passes over the Fadenleitkanal 6 , the suction air connection 13 in the suction air duct 17 and slides, similar to the lower thread, by corresponding contours in Fadenleitkanal 6 guided properly into the housing 18 arranged yarn splicing device 8th , A preferably in the region of the suction air nozzle 13 installed upper thread sensor detects the thread and then initiates the actual pneumatic splicing process.
If the thread ends of the upper and lower thread in the area of the yarn splicing device 8th transferred and properly in the yarn splicing device 8th are positioned, the actual splicing process is performed, the residual threads are sucked off and the winding process is restarted.
The invention is of course not limited to the embodiments described above, but may also have other embodiments or equipment variants, without departing from the general inventive concept. Instead of in the 1 and 2 illustrated embodiments for the jobs of cheesemaking textile machinery can of course also jobs are used, which differ in various points from the aforementioned embodiments.
QUOTES INCLUDE IN THE DESCRIPTION
This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Cited patent literature

DE 102005001093 A1 [0003]
DE 102010049515 A1 [0010, 0026]
DE 102012016854 A1 [0014, 0016]

Claims

Place of work ( 1 ) a cross-wound textile machine, with a pivotally mounted coil frame ( 11 ) for rotatably supporting a package ( 5 ), a roller ( 34 ), on which the package ( 5 ) rests during the winding process as well as a if necessary acted upon by vacuum thread suction device ( 21 ) for receiving after a winding interruption on the surface of the package ( 5 ) accumulated upper thread, characterized in that the Fadenansaugeinrichtung ( 21 ) a stationary in the region of a winding device ( 4 ) is arranged, which via a movably mounted upper pivot plate ( 22 ) and a movably mounted lower pivoting plate ( 23 ), wherein the two pivoting plates ( 22 . 23 ) each around the roller ( 34 ) are pivotable so that they are for receiving the upper thread in the region of the surface of the package ( 5 ) form between them a vacuum acted upon suction nozzle contour.
Workstation according to claim 1, characterized in that the two pivoting plates ( 22 . 23 ) are defined independently controllable.
Workstation according to claim 1, characterized in that the thread suction device ( 21 ) Tail of one with the exception of one lower ( 25 ) and an upper opening ( 26 ) closed thread guide channel ( 6 ), the openings ( 25 . 26 ) are closed if necessary.
Workstation according to claim 3, characterized in that the upper opening ( 26 ), while receiving a lower thread, by the upper pivot plate ( 22 ) is temporarily closed.
Workstation according to claim 1, characterized in that the upper pivoting plate ( 22 ) is always positioned in an upper working position (OAS) during regular winding operation, in which the leading edge ( 27 ) of the swivel plate ( 22 ) adjacent to the winding direction (W) rotating surface of the package ( 5 ) stands.
Workstation according to claim 1, characterized in that the lower pivoting plate ( 23 ) closer to the roller ( 34 ) is arranged, as the upper pivot plate ( 22 ) and the trailing edge ( 42 ) of the lower pivoting plate ( 23 ) during the regular winding operation on the leading edge ( 27 ) of the upper pivoting plate ( 22 ) opposite side of the roller ( 34 ) in the region of the surface of the package ( 5 ) is positioned.
Workstation according to claim 1, characterized in that the upper pivoting plate ( 22 ) to an actuator ( 20 ) is connected, which is designed as a stepper motor.
Workstation according to claim 1, characterized in that the upper pivoting plate ( 22 ) to an actuator ( 20 ) is connected, which is designed as a pneumatic cylinder.
Workstation according to claim 1, characterized in that the lower pivoting plate ( 23 ) to an electrical actuator ( 39 ), preferably connected to a stepper motor.
Workstation according to claim 1, characterized in that the lower pivoting plate ( 23 ) to a pneumatic actuator ( 39 ), preferably to a pneumatic cylinder, is connected.
Workstation according to claim 1, characterized in that the thread suction device ( 21 ) If necessary, a vacuum acted upon, pivotally mounted suction pipe ( 51 ) is dockable.