LU504124B1 - spinning cone - Google Patents

Abstract

The invention relates to a spinning cone which has an outer surface and a spinning cone cavity. The spinning cone cavity is designed for spinning a thread and is arranged in such a way to receive supplied fibers in order to feed them to a thread exit channel adjoining the spinning cone cavity. The spinning cone is designed for spinning the thread and is arranged in such a way to carry out a rotational circulation of wrapped fibers of the supplied fibers relative to an axis of symmetry of the spinning cone. In order to reduce the cleaning effort and thus in particular the resource expenditure and thus the costs, and in particular to improve the spinning quality and the spinning stability and in particular to be able to influence the yarn character, it is provided that the spinning cone has at least one disturbance device which is designed and arranged in such a way to impart a movement to a rotational circulation of the wrapped fibers which come into contact with the disturbance device.

Description

ABO024LU

P/MNU504124 04.05.2023

Description

spinning cone

The invention relates to a spinning cone according to claim 1. The invention relates to a

Textile machine, in particular an air spinning machine, according to claim 11. The invention relates to a method for cleaning a spinning cone according to claim 12.

Spinning cones (singular: spinning cone) of air spinnerets are generally known in the state of the art. They are used in textile machines, especially in air spinning machines, in particular to spin incoming fibers into a thread or yarn. A single spinning cone fulfills the function of thread formation in particular. At the tip of the spinning cone, the

Wrapped fibers of supplied fibers from a supplied fiber composite, especially in an air stream, form yarn. Known spinning cones tend to become dirty, which can subsequently lead to deposits, which is why cleaning must be carried out. This can lead to downtime of the textile machine, which ties up resources and

costs.

Therefore, the object of the invention is to reduce the cleaning effort and thereby in particular to reduce the resource expenditure and thus the costs. Furthermore, the object of the invention is in particular to improve the spinning quality. Furthermore, the object of the invention is in particular

The object of the invention to improve the spinning stability and, more preferably, the

to influence the yarn character.

The object is achieved in particular by a spinning cone with the features according to claim 1. Furthermore, the object is achieved in particular by a textile machine, in particular by an air spinning machine, with the features according to claim 11. Furthermore, the object is achieved in particular by a method for cleaning a spinning cone with the features according to

Claim 12 solved.

Advantageous embodiments of the invention are the subject of the subclaims.

According to one aspect, the task is solved by a spinning cone with the characteristics of the

claim 1. -1-

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The spinning cone has an outer surface and a spinning cone cavity. The

Spinning cone cavity is designed and arranged for spinning a thread in such a way as to receive supplied fibers in order to feed them to a

In other words, the spinning cone is provided with a

Spinning cone tip arranged opening, which merges into a thread passage, which at least one component of a so-called thread exit channel of the

Air spinneret or completely forms it. The spinning cone is used for spinning a

thread and arranged to perform a rotational revolution of wrapping fibers of the supplied fibers relative to an axis of symmetry of the spinning cone. The

Spinning cone has at least one disturbance device. This is designed and arranged in such a way as to impart a movement, in particular a vibration, to a rotational revolution of the wrapped fibers that come into contact with the disturbance device. The imprinted

In other words, movement is caused by the disturbance device and is different from the pure

Circular movement of the wrapped fibers around the spinning cone, which is usually achieved by means of the

Vortex air flow is generated within the air spinneret. By imprinting a

Cleaning can be improved by applying vibration to the winding fibers, particularly by imparting vibration to the rotational orbital movement.

In general, a fiber composite, also called a fiber structure, is fed to a spinning cone for spinning a thread, which is divided into core fibers and wrapping fibers connected to the core fibers, also called edge fibers, within the air spinneret due to the defined supply of spinning compressed air to generate a vortex air flow. The core fibers are drawn into the spinning cone cavity during the spinning process and guided along the subsequent thread exit channel. The rotating wrapping fibers, which circulate around the spinning cone in the direction of rotation, are drawn into the

Core fibers are carried into the spinning cone cavity and, as they are carried along, are placed around the core fibers due to the rotation to form the thread, also known as spinning thread.

The wrapping fibres that usually run around the spinning cone during the

spinning process can lead to contamination of the spinning cone surface.

Contamination can be deposits on the outside of a

The nozzle nose can be affected by spinning lubricant, fiber components or dust. The spinning behavior (thread breaks) and the yarn quality values can be affected by contamination. A spinning cone that is smooth and -2-

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P/MNU504124 04.05.2023 is designed without structure, can be contaminated by fiber material, such as fiber residues and fragments, which can settle on the surfaces of the spinning cone. An imprint of a

Movement, in particular the imposition of an oscillation, on the movement of the

Wrapping fibers allows in particular an interaction of the wrapping fibers with any

Deposits and/or any impurities that may be deposited on the surfaces of the spinning cone. This can remove the dirt and impurities of the

spinning cone can be detached from the spinning cone surface and removed via the vortex air flow. This can prevent further growth of the contamination. The spinning cone can therefore function as a self-cleaning spinning cone. This removes the contamination from the textile machine and from its air spinning unit, including the air spinning nozzle with the spinning cone.

The spinning cone can be designed to be smooth and structureless at the inlet (also referred to as the tip, which has a spinning cone cavity and/or a lateral surface). The wrapped fibers slide in particular along an inlet bevel of the spinning cone and in particular at least here have direct contact with the surface of the cone, in particular in an area of a lateral surface and/or in an area of a spinning cone cavity. The spinning cone cavity is designed to receive the wrapped fibers and to be able to feed them to the thread exit channel. This makes it possible to spin the thread or yarn.

A smooth, structureless tip does not produce any vibration (no imprinting of a

Vibration to a rotational orbital motion) of the fibers or yarn.

The spinning cone enables the spinning of a thread by rotating individual wrapping fibres of the supplied fibres around a central axis of symmetry of the

Spinning cone a relative movement over the shell surface and/or over the surface of a

spinning cone cavity.

By providing a disturbance device according to the invention, the winding fibers can be

vibrate and touch the outer area (the surface) of the spinning cone.

Alternatively or additionally, the surface surrounding the spinning cone cavity can be touched. The transition from the spinning cone cavity inside the spinning cone to the outer surface is formed by the inlet bevel. The contact of the

Wrapping fibers with the outside area improves cleaning of the

spinning cone. This is especially true when using the spinning cone in a -3-

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Textile machine for producing a thread or yarn. The spinning cone of the type described here can also be referred to as a self-cleaning spinning cone.

In one embodiment, contact of the individual wrapping fibers to the surface of the

Outside of the spinning cone can also be achieved by the formation of webs.

In particular, the area of the run-in chamfer (transition from the lateral surface to the

The spin cone cavity at the tip of the spin cone in the fiber contact area can be provided with a structure. This can be described as a perturbation device. In embodiments, this can be formed from a gear-like design with countersunk and/or raised teeth.

With the structured inlet chamfer on the inlet radius or in the entire area of the tip of the

Spinning cone can be achieved that the gliding wrapping fibers have a

Vibration excitation and through the vibration touch the outer area of the spinning cone as a result of the direct contact. This allows the area to be largely free of

deposits are held.

By means of a structure in the spinning cone, in particular in the area of an inner side of the spinning cone, which surrounds the spinning cone cavity, the movement of the wrapping fibres in the

The integration zone must be controlled in such a way that it does not influence the

Yarn quality and spinning stability can be achieved. The binding zone is the area in which the individual wrapped fibers are spun into a thread.

On the outside of the spinning cone, especially in the area of the lateral surface, rings or spiral-shaped webs can be formed, which ensure that the

Wrapping fibers have direct contact with these areas of the spinning cone and the

Air flow (air cushion) is directed into the so-called lanes. Lanes are particularly depressions in the structure. This ensures that the

Wrapping fibers contact a specific area of the spinning cone in a controlled manner, since the

Air flow is deflected into the alleys.

According to a further aspect, the movement may comprise an oscillation relative to at least one -4-

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The surface can be selected from a surface that is different from the outer

Shell surface or a surface surrounding the spinning cone cavity. The surface can in particular have an inner surface. This inner surface can be structured, i.e. it is not smooth, but has various features such as elevations and/or depressions.

The movement may have a component of movement in a radial direction relative to the

This can be such that a part of the wrapping fibers that interact with the interference device are lifted off the surface at least temporarily. In particular, the temporary lifting of the wrapping fibers from the surface can be used for a

Beating movement of the wrapping fibers as they reappear on the surface.

This can improve cleaning, which also improves spinning quality.

Here and elsewhere, the spinning cone cavity can be defined as the receiving area in which the wrapping fibers, as previously described, are arranged, in particular under a

Rotational orbital movement, are brought together with the core fibers of the supplied fibers to form a thread, which is wound in a spinning cone cavity adjacent to the

Thread exit channel (also called yarn guide). The

Surface that can be arranged within a diameter around the axis of symmetry forming the surface surrounding the spinning cone cavity can be referred to as spinning cone cavity surface.

The expression according to which a component of motion in a radial direction relative to the

The term ‘axis of symmetry’ is to be understood in particular as meaning that a

Motion vector system can be formed in which at least one of the vectors has a

Movement component in a radial direction. In other words, this means: A region of at least one wrapping fiber can be

Alternatively or additionally, a region of a wrapped fiber can also be moved radially inwards, in which case a radial

backward movement or a movement against the radial direction.

This can lead to the beating described here and elsewhere. This

Beating can ensure that contaminants do not stick to the spinning cone and any of the described surfaces (or only stick with difficulty). This means that it takes a longer time before the spinning cone needs to be cleaned, which

Cleaning resources are reduced and costs are reduced. This also reduces the -5-

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The quality of the spinning process can be improved. This can be due in particular to the fact that the impurities grow more slowly. Since no larger impurities are introduced into the spun thread, the quality of the resulting thread is improved.

The expression “at least temporarily” refers in particular to the fact that a strike may cause a backward movement, as described above, in order to

Wrapping fibers can be returned to one of the surfaces described above. This enables beating with the advantages described elsewhere.

According to another aspect, the movement can be an oscillation with a

Movement component in a plane parallel to at least one surface. The

Surface can be selected from one of the outer surface and/or a

Spinning cone cavity surface. The spinning cone cavity surface can in particular be an inner surface. The movement component can be designed to

To change, at least temporarily, the speed of at least a portion of the wrapping fibers that interact with the perturbation device during a rotational cycle. When changing the

Speed can be, in particular, an acceleration and/or a braking. This can implement a cleaning movement. Furthermore, by accelerating and/or braking at least a part of a wrapping fiber can be guided, in particular over a structured surface. This applies in a corresponding way

Continuation for a variety of wrapping fibers.

The movements for wrapping fibres described here and elsewhere always apply to at least one wrapping fibre, but in particular also to one

variety of wrapping fibers, but not necessarily for all wrapping fibers. In other

In other words, this means that there can also be wrapping fibres that, for example, interact with other

Wrapping fibers do not interact with a defect during a rotation cycle. However, these can be lifted off the surface by other wrapping fibers.

A plane that is parallel to one of the surfaces described is in particular a plane that is a tangent plane to a point and/or to a

distance of one of the surfaces. In particular, a corresponding

Changes in speed can also be made directly on one of the surfaces described. -6-

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According to a further aspect, the disturbance device can have at least one design selected from the following: at least one notch, at least one tooth and/or at least one surface structure. As a result, a disturbance device can be formed by means of a geometric shape that is physically structurally easy to implement in order to achieve the technical advantages and/or effects described elsewhere.

A notch can represent a material recess which is designed and arranged in particular to enlarge a surface. The notch can be in the area of a

Inlet bevel can be arranged. The wrapping fibers can be introduced into the notch in a rotational cycle, whereby on the one hand a beating movement can take place radially inwards within the rotational cycle and whereby a movement can also take place outwards when running out, in particular when accelerating out of the notch, whereby a beating movement can take place when the wrapping fiber lands again.

According to one aspect, the at least one notch can be symmetrical. Alternatively, the notch can be asymmetrical. The asymmetry allows in particular a

Control of the speed in a rotational orbital motion when the

Wrapped fibers in the notch rather than moving out of the notch. This can improve vibration introduction.

A tooth can be an attached structure over which the inlet bevel at the spinning cone tip is extended in at least one direction parallel to the axis of symmetry.

This allows the vibration input to be inverted relative to the notch, with a

Rotational circulation. This can vary depending on the structure of the underlying fibers and/or the

Wrapping fibers can be advantageous. In the embodiments mentioned, beating can also lead to improved cleaning.

According to one aspect, the at least one tooth can be symmetrical or asymmetrical. The corresponding advantages and technical effects apply as described for an asymmetrical notch.

According to one aspect, a surface structuring can be provided, which in particular -7-

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P/MNU504124 04.05.2023 runs at least partially in a spiral shape. In particular, it can be provided that the surface structuring structures an inner side of a spinning cone cavity surface. This can define an area which enables the winding fibers to be guided into the spinning cone cavity. This can improve the spinning quality.

According to a further aspect, an inner surface can be assigned to a spinning cone tip, which in particular has the surface structuring, wherein the inner surface is concave. This can define an area which guides the wrapping fibers into the

spinning cone cavity. This can improve the spinning quality.

It can be provided that mixed forms exist in which at least one tooth, at least one notch and/or at least one area with a surface structure are provided in order to both guide a striking action, as described elsewhere, and to guide a parallel movement to one of the surfaces, as described elsewhere.

This can improve the spinning quality. It can also further improve the cleanliness of the spinning cone.

According to a further aspect, it can be provided that at least one notch merges into at least one tooth. This can intensify a striking movement, which can lead to further improvements in cleaning, thereby saving further resources. It can also be provided that the notch and/or tooth are designed symmetrically and/or asymmetrically. The combination can in particular be designed in such a way that the effect of the cleaning and the movement guidance for the application is particularly effective. This can depend, for example, on the type of thread or yarn to be spun.

According to a further aspect, the at least one notch can be formed asymmetrically.

The notch can have a long edge, a so-called long edge, and a short edge, a so-called short edge. These are arranged in particular at two notch angles.

In particular, a steeper notch angle is arranged in a rotational direction.

This means that a more abrupt braking can lead to a faster evasive movement out of the notch, which can increase the impact movement. On a flatter slope

Long edge, the wrapping fiber can "pick up speed" and be guided in particular, since it is not already at this point by a too rapid fall of the notch from one of the -8-

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surfaces. This improves movement guidance and thus cleaning. This can also improve the spinning quality.

According to a further aspect, the spinning cone tip can have an outer diameter.

In particular, this is designed symmetrically around the axis of symmetry of the spinning cone.

The interference structure can be designed and arranged in such a way that it projects beyond the outer diameter. This can amplify the vibrations on the fiber. In particular, it can be provided that the wrapped fibers are guided

Movement is guided away from the shell surface by the overhanging disturbance device and then hits the spinning cone again in a beating movement.

According to a further aspect, the disturbance device can be designed as a notch in an inner surface. The notch is designed in particular such that the recess which forms the notch does not break through into the lateral surface. As a result, the principles described above can also be applied to an inner surface, in particular to a

spinning cone cavity surface.

According to an independent aspect, the object is achieved in particular by a textile machine, in particular an air spinning machine. The textile machine can have at least one

Air spinneret with a spinning cone, as described above. This makes it possible to reduce the cleaning effort and thus in particular to reduce the use of resources and thus the costs. It is also possible to improve the spinning quality.

The textile machine as a system can be characterized by the process and in particular by its

Features, effects and advantages are described. Furthermore, the textile machine can be

Features of the spinning cone device are described. In particular, the features across the different categories are suitable for describing the other categories.

According to another independent aspect, the task is solved by the air spinneret. The

The structure of an air spinneret is well known from the state of the art.

According to a preferred embodiment, the air spinneret can comprise a two-part housing, wherein the first and second housing parts can be designed to be movable relative to one another in order to enable the air spinneret to be opened and closed. The first housing part -9-

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P/MNU504124 04.05.2023 carries a fiber introduction element, via which a fiber fed to the air spinning nozzle

Fiber composite or fiber bundle is fed into an interior of the air spinning nozzle. The second housing part preferably carries a yarn forming element, which in a closed state of the air spinning nozzle opposite the fiber introduction element,

Spinning cone according to one of the previously described embodiments. The

Thread exit channel can be separated from the spinning cone and preferably also from the rest of

The yarn produced by the air spinneret can be drawn out of the air spinneret via the yarn outlet channel and then led out of the air spinneret. The first and second housing parts limit the closed

In the state of the air spinning nozzle, a vortex chamber surrounds at least the spinning cone, into which nozzle openings open, which can be designed with the first and/or second housing part in such a way as to supply so-called spinning compressed air to the vortex chamber in such a way that a vortex air flow is generated in the vortex chamber. The vortex air flow causes the described rotational movement of the wrapped fibers.

According to a further independent aspect, the object is achieved in particular by a method for cleaning a spinning cone, in particular a spinning cone as described above.

The method may comprise a step of carrying out a rotational revolution of wrapped fibers around an axis of symmetry of the spinning cone. The method may comprise a step of

Interaction of the wrapping fibers during a full rotation cycle with at least one

The interaction can be designed in such a way that a

Impressing a movement of the wrapping fiber interacting with the interference device. The movement can in particular be an oscillation. This makes it possible to reduce the cleaning effort and thus in particular to

It is also possible to reduce the use of resources and thus the costs. It is also possible to improve the spinning quality.

The method can be characterized in particular by the features, effects and advantages of

device and/or system. In particular, the features across the different categories are suitable for describing the other categories.

In summary and in other words, this means in particular that two or more notches can be formed on the cone tip with an asymmetrical or symmetrical notch angle. The asymmetrical notch can be designed in such a way that the steeper notch angle -10 -

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P/MNU504124 04.05.2023 in the direction of rotation of the fibers. This ensures that the

Wrapping fibers. The notches at the cone tip can be extended with their chosen contour over the outer surface of the cone and thus the vibrations of the

Reinforced wrapping fibers that slide along the outer contour. The wrapping fibers, which are set in vibration via the notches, ensure a cleaning effect and better spinning stability.

The mode of operation is based in particular on a “beating” of the vibrating

Wrapping fibers onto the surface of the spinning cone of a yarn forming element.

Vibration of the wrapping fibers is particularly controlled by a corresponding contour on the

Spinning cone tip is generated. The impact of the wrapping fibres on the surface of the spinning cone can lead to the detachment of the dirt or

Deposits, which can damage the surface of the spinning cone, especially without additives of

Additives can be cleaned automatically. Additives can be added optionally via devices and

Procedures are possible to increase and/or improve the cleaning effect.

Alternatively or additionally, a structure in the spinning cone, particularly in the area of a

Inside of a spinning cone cavity, the movement of the wrapped fibers in the binding zone can be controlled in such a way that the yarn quality and

Spinning stability can be achieved. The structure can be designed as a disturbance device that imposes a movement of the fibers along structural features.

Rings or spiral-shaped webs can be formed on the outside of the spinning cone, which ensure that fibres have direct contact with these areas of the

spinning cone and the air flow (air cushion) can be directed into the alleys.

Lanes are in particular recesses and/or depressions between the embossed or applied structures. This can ensure that the

Wrapping fibers contact a specific area of the spinning cone in a controlled manner, since the

Air flow can be deflected into the alleys.

Alternatively or additionally, contamination of the outer area of the spinning cone (or its outer surface) can be prevented by increasing the smoothness of the spinning cone material (e.g. by a polishing process step) or by applying a dirt-repellent

layer (Teflon, etc.) can be reduced or completely avoided. -11 -

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In the following, embodiments of the invention are described in more detail with reference to figures, which show schematically and by way of example:

Fig. 1A an embodiment of a spinning cone tip with asymmetric

recesses;

Fig. 1B an embodiment of a spinning cone tip with symmetrical

recesses;

Fig. 2 shows an embodiment of an air spinneret;

Fig. 3A is a schematic representation of a side view of an embodiment of a

Spinning cone with a spinning cone tip with symmetrical recesses;

Fig. 3B is a schematic representation of a side view of an embodiment of a

spinning cone tip with asymmetrical recesses;

Fig. 3C is a schematic representation of angles;

Fig. 4A is a schematic cross-sectional view of an embodiment of a

spinning cone tip;

Fig. 4B is a sectional view of an embodiment of an insert with structured

surface; and

Fig. 5 is a schematic representation of a process.

For elements and structures with the same effect and/or similar characteristics, the same

reference symbols are used.

Fig. 1A shows an embodiment of a spinning cone tip 110 with asymmetric

Recesses 10. The spinning cone tip 110 is arranged in particular on a spinning cone 100, as shown by way of example in Fig. 3A. A spinning cone tip 110 has in particular an outer surface 20 and a spinning cone cavity 18. The spinning cone cavity 18 is in particular designed and arranged in such a way as to receive wrapping fibers 26a of supplied fibers, as shown in Fig. 2. The

Spinning cone cavity 18, the wrapped fibers 26a are fed to a thread exit channel 42 in order to spin a thread 26b. This is done in particular by the

Spinning cone 100 which is designed and arranged to rotate a rotational revolution 50 of the

Wrapping fibers 26a in a rotational direction U relative to a symmetry axis 34 of the

spinning cone 100. "12 -

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In the embodiment shown, the spinning cone 100 has, by way of example, two mutually opposite disturbance devices which are designed as asymmetrical recesses 10. These can also be referred to as notches. These are designed and arranged in such a way that they come into contact with the winding fibers 26a during a rotational revolution 50. The winding fibers 26a run over a spinning cone edge 16 from an outer surface 20, which they contact, into the spinning cone cavity 18 in order to

Thread exit channel 42, as shown in Fig. 2. The wrapping fibers 26a run in a rotational circuit 50 around the spinning cone edge 16 and slide along a long edge 12 into an asymmetric recess and thereby experience a first

Acceleration. When the minimum of the asymmetric recess 10 is contacted, the

Wrapping fibers 26a are raised on the short edge 14. This allows the

A further movement can be imposed on the rotational orbital movement.

This imposed movement is in particular an oscillation relative to at least one outer surface 20 or to a spinning cone cavity surface. In particular, a concave inner surface 17 can be formed, as shown in Fig. 4A and 4B. The movement has in particular a movement component in a radial direction R. The radial direction R in particular starts from the axis of symmetry 34. As described above, at least a part of the wrapping fibers 26a, which are provided with the asymmetrical

Recesses interact, lift off at least temporarily from at least one of the mentioned surfaces. This can in particular lead to a striking movement of the

Wrapping fibers 26a upon reappearance of the wrapping fibers 26a on the at least one

surface. This radially outward or radially inward movement can be described as an oscillating movement. The impact of the wrapping fibers 26a on the surfaces results in a cleaning of the spinning cone 100 in particular.

In Fig. 1B, a corresponding spinning cone tip 110 of a spinning cone 100 is shown, wherein symmetrical recesses 15 are provided. In the symmetrical recesses 15, the edges 13 are designed in the same way. The functionality of the symmetrical

Recesses 15 of the asymmetrical recesses 10, as described in detail with reference to Fig. 1A. Symmetrical recesses 15 can be produced more easily. It is also possible that the symmetrical recesses 15 can be used if additional acceleration by a long edge 12 is not provided -13-

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Fig. 2 shows schematically a functioning of a partially shown air spinning nozzle of an air spinning device 24 of an air spinning machine, wherein the air spinning nozzle 30 has a

spinning cone 100 with spinning cone tip 110. Winding fibers 26a run around a spinning cone tip 110 in a rotational circuit 50 along a rotational direction

U, here clockwise (in plan view, not shown). A fiber guide 29 can also be arranged around the axis of symmetry 34 (not shown here; see Fig. 3A and 3C). This

Fiber guide 29 can be arranged and designed in such a way that the supplied fibers are fed in an orderly manner to the spinning cone 100. In the described rotation circuit 50, a

Acceleration zone 28 is formed. In this zone, in particular, the

Wrapping fibers 26a are accelerated, for example by being connected to one of the previously described

Recesses 10, 15 interact. This allows the wrapping fibers 26a to lift off from the outer surface 20 at least temporarily. When the

Wrapping fibers 26a on the outer surface 20, or on an inner surface of the

Spinning cone cavity 18, deposits are removed in particular, which results in

Cleaning - during operation - can be improved.

After the transition of the wrapping fibres 26a over the spinning cone edge 16 into the

In the spinning cone cavity 18, the wrapping fibers 26a can be spun together with the core fibers, whereby a thread 26b is formed, which runs into a thread exit channel 42 and can be drawn off from the air spinneret 30 via this. The thread exit channel 42 is arranged in particular in a spinning cone core 27, which can differ from a spinning cone shell region 25 in particular due to the material selected.

Fig. 3A shows a schematic representation of a side view of an embodiment of a

Spinning cone 100 with a spinning cone tip 110 with symmetrical recesses 15. Fig. 3B shows a schematic representation of a side view of an embodiment of a

Spinning cone tip 110 with asymmetric recesses 10. Fig. 3C shows a schematic

Representation of angles with respect to Figs. 3A and 3B.

Fig. 3A shows a schematic side view of an embodiment of a spinning cone 100. A spinning cone tip 110 with symmetrical recesses 15 is arranged on the latter. As previously described, in particular edges 13 of equal length are arranged in such a way that -14 -

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P/MNU504124 04.05.2023 to form a corresponding symmetrical recess 15. In particular, the recess can be understood to mean that material is taken at the location of the symmetrical recess 15 from a height of the spinning cone edge 16.

As an example, a notch can be formed.

The spinning cone tip 110 with symmetrical recesses 15 has been described in detail with reference to Fig. 1B. In Fig. 3A, the arrangement of the

The axis of symmetry 34 is clearly visible. The spinning cone 100 has in particular a spinning cone tip 110, a spinning cone body 120 and a spinning cone base 36. The axis of symmetry 34 is in particular designed and arranged such that a parallel axis to the

Axis of symmetry 34 is able to divide the symmetrical recesses 15, whereby there is an equal angle between this axis and the two similar edges 13.

As shown in Fig. 3B, this is particularly not the case in embodiments that have asymmetrical recesses 10. As shown in Fig. 3C, a steep angle 37 is formed in particular between the short edge 14 and the axis parallel to an axis of symmetry 34 (for the sake of simplicity, these two axes are equated in the nomenclature below). A flat angle 38 is formed in particular between the long edge 12 and the axis parallel to the axis of symmetry 34.

As shown in the overview in Fig. 3A, the spinning cone tip 110 can be provided with a

Attachment edge 22 can be placed on the spinning cone 100. This can be done in particular in such a way that the spinning cone tip 110 is exchangeable. This can in particular enable a

Spinning cone tip 110, as shown in Fig. 3A, can be exchanged for a spinning cone tip 110, as shown in Fig. 3B. This makes it particularly quick and easy for

Users can easily swap the two functionalities.

Fig. 4A shows a schematic cross-sectional view of an embodiment of a

Spinning cone tip 110. Fig. 4B shows a sectional view of an embodiment of a

Insert with a concave inner surface 17 with a structured surface.

Fig. 4A shows a cross-sectional view through an embodiment of a spinning cone 100. This has in particular a concave inner surface 17. In particular, inner surface recesses 11 are arranged in this concave inner surface 17. These break through -15-

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P/MNU504124 04.05.2023 in particular the outer surface 20. These meet in particular the

Functions and properties as described in relation to the symmetrical recesses 15 and the asymmetrical recesses 10 in relation to Fig. 1A and 1B. The inner surface recesses 11 can in particular ensure that a striking movement is imparted to the wrapping fibers 26a (or areas of these wrapping fibers 26a). In particular, areas of the wrapping fibers 26a are subjected to a striking

movement which runs along an inner side of the spinning cone cavity 18.

As a result, a beating movement is also impressed on the movement of the wrapping fibers 26a on an inner side, in particular on a concave inner surface 17.

In Fig. 4A it is shown in particular that the concave inner surface 17 has a height h2. The height h1 is in particular the height of the spinning cone tip 110. In particular, an axis of symmetry 34 also runs through the spinning cone 100 and thus also through the spinning cone tip 110, as already described with reference to Fig. 3A. The spinning cone cavity 18 has an outer diameter D at the inlet bevel. Also shown is the previously referenced radial direction R, which runs in particular perpendicularly outwards from the axis of symmetry 34.

The concave inner surface 17 of the spinning cone cavity 18 is in particular followed by a

Thread exit channel 42, as described in detail elsewhere. This can be widened in a lower area of the spinning cone body 120, for example in a

Transition region 49. A wider thread guide region 45 can run adjacent to this. The thread exit channel 42 is designed in particular such that a formed thread 26b can be led out of the air spinneret 30 by the rotational circulation 50 in a rotational circulation direction U, as shown in Fig. 2 and described in this regard - see also Fig. 2. The transition region 49 and the wider thread guide region 45 adjoining it reduce the frictional resistance in a

The thread 26b slides through the spinning cone 100. For reasons of clarity, the spinning cone 100 is shown cut off at a cutting edge 48.

Fig. 4B shows an example of a concave inner surface 17, which is provided with a spiral shape as

Surface structuring 19. The wrapping fibers 26a running into this concave inner surface 17 of the spinning cone cavity 18 are guided by the spiral shape. In this way, guidance of the wrapping fibers 26a can be improved. This in turn improves the - 16 -

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Spinning quality. The concave inner surface 17 can be inserted into a spinning cone tip 110 via the exemplary embodiment of the concave spinning cone insert 23 shown. The spinning cone insert 23 can be mounted on a

Spinning cone tip 110 can rest. Fastening can be carried out via locking devices 44, which in particular ensures that the concave spinning cone insert 23 does not come loose from the spinning cone 100 during operation.

Fig. 5 shows a schematic representation of a method 200 for cleaning a spinning cone 100. The method 200 for cleaning a spinning cone 100 comprises in particular the step of depositing the wrapping fibers 26a on the spinning cone 100. The method comprises in particular carrying out 220 a rotational cycle 50 of wrapping fibers 26a. The

Rotational circulation takes place in particular around an axis of symmetry 34 of the spinning cone 100. The method has in particular a step of interacting 230 with the

The interaction 230 takes place particularly in the case of a full

Rotational circulation 50 with at least one disturbance device takes place. The disturbance device can be a symmetrical recess 15 as described above or an asymmetrical

Recess 10 may be provided. The interaction 230 is in particular such that

Imposing 240 a movement, in particular an oscillation on a movement, which is

To produce a disturbance device interacting winding fibers 26a.

“Can” refers in particular to optional features of the invention. Accordingly, there are also further developments and/or embodiments of the invention which additionally or alternatively have the respective feature or features.

From the combinations of features disclosed here, isolated

Characteristics are selected and, dissolving any structural and/or functional connection between the characteristics, in combination with other

Features used to define the subject matter of the claim. - 17 -

AB0024LU

P/MNU504124 04.05.2023

List of reference symbols asymmetrical recess 44 locking device 11 inner surface recess 45 wide thread guide area 12 long edge 47 fiber guide inner surface 13 edge 48 cutting edge 14 short edge 49 transition area symmetrical recess 50 rotational circulation 16 spinning cone edge 100 spinning cone 17 concave inner surface 110 spinning cone tip 18 spinning cone cavity 120 — spinning cone body 19 spiral shape of a 200 method for cleaning a

Surface structuring spinning cone outer surface 210 Application of wrapping fibers 21 Attachment surface 220 Execution of a rotation cycle 22 Attachment edge of wrapping fibers around a 23 concave spinning cone insert symmetry axis of a spinning cone 24 air spinning device 230 Interaction of wrapping fibers with

Spinning cone shell area of a disturbance device 26a Wrapping fiber 240 Impressing a movement on the 26b Thread Wrapping fibers during a rotation 27 Spinning cone core revolution 28 Acceleration zone 29 Fiber guide D Diameter

Air spinneret R Radial direction 34 Axis of symmetry U Direction of rotation 36 Spinning cone base 37 Steep angle h1 Height of spinning cone acceleration area 38 Flat angle 42 Thread exit channel h2 Height of area with concave

inner surface - 18 -

Claims (12)

AB0024LU P/MNU504124 May 4, 2023 Patent claims 1. Spinning cone (100) of a yarn forming element for an air spinneret (30) having an outer surface (20); and a spinning cone cavity (18), wherein the spinning cone cavity (18) for spinning a thread (26b) is designed and arranged in such a way to receive supplied fibers in order to feed them to a thread outlet channel (42) adjoining the spinning cone cavity (18); and wherein the spinning cone (100) for spinning the thread (26b) is designed and arranged in such a way to carry out a rotational revolution (50) of winding fibers (26a) of the supplied fibers relative to an axis of symmetry (34) of the spinning cone (100); characterized in that the spinning cone (100) has at least one disturbing device which is designed and arranged to impart a movement to a rotational revolution (50) of the wrapping fibers (26a) which come into contact with the disturbing device. 2. Spinning cone (100) according to claim 1, characterized in that the movement comprises an oscillation relative to at least one surface, wherein the surface is selected from one of - the outer circumferential surface (20); or - a spinning cone cavity surface of the spinning cone cavity (18), in particular a concave inner surface (17); and wherein the movement comprises a movement component in a radial direction (R) relative to the axis of symmetry (34), such as to at least temporarily lift a portion of the wrapping fibers (26a) that interact with the disturbance device from the at least one surface, in particular for a beating movement of the wrapping fibers (26a) when the wrapping fibers (26a) reappear on the at least one surface. 3. Spinning cone (100) according to one of claims 1 or 2, characterized in that the movement comprises an oscillation with a movement component in a plane parallel to at least one surface, wherein the surface is selected from one of - the outer surface (20); or - a spinning cone cavity surface, in particular a concave inner surface (17); and -19- ABO024LU P/MNU504124 04.05.2023 wherein the movement component is designed to at least temporarily change, in particular to accelerate and/or brake, the speed of at least a portion of the wrapping fibers (26a) interacting with the disturbance device during a rotation cycle (50). 4. Spinning cone (100) according to one of the preceding claims, characterized in that the disturbance device has at least one element selected from the following: - at least one recess, in particular a notch; - at least one tooth; or - at least one surface structuring. 5. Spinning cone (100) according to claim 4, characterized in that the at least one recess (10, 15) is designed as a notch and merges into at least one tooth. 6. Spinning cone (100) according to claim 4 or 5, characterized in that at least one recess (10, 15) is designed as a symmetrical recess (15) or as an asymmetrical recess (10); and/or wherein at least one tooth is designed as a symmetrical tooth or as an asymmetrical tooth; and/or wherein the surface structuring runs at least partially in a spiral shape (19). 7. Spinning cone (100) according to one of the preceding claims, characterized in that the spinning cone tip (110) can be assigned an inner surface which in particular has the surface structuring (11, 19), wherein the inner surface is designed as a concave inner surface (17). 8. Spinning cone (100) according to one of the preceding claims, characterized in that the disturbing device has at least one recess designed as an asymmetrical recess (10), wherein the asymmetrical recess (10) has a long edge (12) and a short edge (14) which are arranged in two notch angles (37, 38), wherein a steeper notch angle (37) is arranged in a rotational direction (U). 9. Spinning cone (100) according to one of the preceding claims, characterized in that the spinning cone tip (110) has an outer diameter (D), wherein the - 20 - AB0024LU P/MNU504124 04.05.2023 The disturbance device is in particular designed and arranged in such a way that it at least partially projects beyond the outer diameter (D). 10. Spinning cone (100) according to one of the preceding claims, characterized in that the disturbance device is designed as a recess (11), in particular as a notch, in an inner surface, in particular a concave inner surface (17), wherein the notch in particular does not break through into the outer surface (20). 11. Textile machine, in particular an air spinning machine, comprising at least one air spinning device (24) with an air spinning nozzle (30) comprising a spinning cone (100) according to one of the preceding claims. 12. Method (200) for cleaning a spinning cone (100) of an air spinneret (30), in particular a spinning cone (100) according to one of claims 1 to 10, characterized by the steps: - carrying out (220) a rotational revolution (50) of wrapped fibers (26a) around an axis of symmetry (34) of the spinning cone (100); - interacting (230) of the wrapped fibers (26a) during a full rotational revolution (50) with at least one disturbance device in such a way as to produce an impression (240) of a movement, in particular an oscillation, of the wrapped fibers (26a) interacting with the disturbance device. -21-