WO2024227649A1 - Spinning cone - Google Patents

Abstract

The invention relates to a spinning cone having an outer lateral surface and a spinning cone cavity. The spinning cone cavity is designed and arranged to spin a yarn in such a way as to take up fibres fed to it and feed them to a yarn outlet duct adjoining the spinning cone cavity. In this respect, the spinning cone is designed and arranged to spin the yarn in such a way as to perform a rotation cycle of wound fibres of the fibres fed to it relative to an axis of symmetry of the spinning cone. According to the invention, the spinning cone has at least one disrupting device, which is designed and arranged in such a way as to impart movement to a rotation cycle of the wound fibres coming into contact with the disrupting device.

Description

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 fed fibers from a fed fiber composite rotate, in particular in an air stream, and form into yarn. Known spinning cones tend to become dirty, which can subsequently lead to deposits, which is why they must be cleaned. This can lead to downtimes of the textile machine, which ties up resources and causes 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 to improve the spinning stability and, more preferably, to influence the yarn character.

The object is achieved in particular by a spinning cone with the features according to claim 1. Further in particular, the object is achieved by a textile machine, in particular by an air spinning machine, with the features according to claim 11. Further in particular, the object is achieved by a method for cleaning a spinning cone with the features according to claim 12.

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

According to one aspect, the object is achieved by a spinning cone having the features of claim 1. 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 thread exit channel adjoining the spinning cone cavity. In other words, the spinning cone is designed with an opening arranged at the spinning cone tip, which merges into a thread passage which forms at least one component of a so-called thread exit channel of the air spinneret or this completely. The spinning cone is designed and arranged for spinning a thread in such a way as to carry out a rotational revolution of wrapped 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. In other words, the movement imposed by the disturbance device is different from the pure orbital movement of the wrapped fibers around the spinning cone, which is usually generated by means of the swirling air flow within the air spinneret. By imposing a movement on the wrapped fibers, in particular by imposing an oscillation on the rotary orbital movement, cleaning can be improved.

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 encircle the spinning cone in the direction of rotation, are carried along by the core fibers into the spinning cone cavity and, as they are carried along due to the rotation, are laid around the core fibers to form the thread, also called spinning thread.

The wrapping fibers that usually run around the spinning cone during the spinning process can lead to contamination of the spinning cone surface. The contamination can be deposits on the outside of a nozzle nose caused by spinning lubricant, fiber components or dust. The spinning behavior (thread breaks) and the yarn quality values can be impaired by contamination. A spinning cone that is smooth and is designed without a structure, can become contaminated by fiber material, such as fiber residues and fragments, which can deposit on the surfaces of the spinning cone. Imposing a movement, in particular imposing a vibration, on the movement of the wrapped fibers allows in particular an interaction of the wrapped fibers with any deposits and/or with any contaminants that can be deposited on the surfaces of the spinning cone. This allows the dirt and contaminants of the spinning cone to be detached from the spinning cone surface and carried away via the vortex air flow. This can in particular prevent further growth of the contaminants. The spinning cone can therefore function as a self-cleaning spinning cone. This in particular removes the contaminants from the textile machine and from its air spinning unit comprising the air spinneret 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 enables spinning of the thread or yarn. A smooth, structureless tip does not generate any vibration (no vibration is imposed on a rotational orbital movement) of the fibers or yarn.

The spinning cone enables the spinning of a thread by rotating individual wrapped fibers of the supplied fibers around a central axis of symmetry of the spinning cone and performing a relative movement over the outer surface and/or over the surface of a spinning cone cavity.

By providing a disturbance device according to the invention, the wrapped fibers can start to 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 wrapped fibers with the outer area improves cleaning of the spinning cone in particular. This applies in particular when the spinning cone is used in a 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 with the surface of the outside of the spinning cone can also be achieved by the formation of webs.

In particular, the area of the inlet bevel (transition from the lateral surface to the spinning cone cavity) at the tip of the spinning cone in the fiber contact area can be provided with a structure. This can be described as a disruption device. In embodiments, this can be formed from a gear-like design with countersunk and/or raised teeth.

With the structured inlet bevel on the inlet radius or in the entire area of the tip of the spinning cone, the wrapping fibers sliding along the cone can be stimulated to vibrate and, as a result of the vibration, touch the outside area of the spinning cone as a result of the direct contact. This means that the area can be kept largely free of deposits.

Through a structure in the spinning cone, particularly in the area of an inner side of the spinning cone that surrounds the 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 influenced. The binding zone is particularly the area in which the individual wrapped fibers are spun into a thread.

Rings or spiral-shaped webs can be formed on the outside of the spinning cone, particularly in the area of the lateral surface, which ensure that the wrapped fibers have direct contact with these areas of the spinning cone and the air flow (air cushion) is directed into the so-called alleys. Alleys are particularly depressions in the structure. This ensures that the wrapped fibers contact a certain 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 surface. The surface can be selected from a surface of the outer 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 can have a movement component in a radial direction relative to the axis of symmetry. This can be such that some of the wrapping fibers that interact with the disruption device are lifted off the surface at least temporarily. In particular, the temporary lifting of the wrapping fibers from the surface can ensure a beating movement of the wrapping fibers when they reappear on the surface. This can improve cleaning, which also improves the spinning quality.

Here and elsewhere, the spinning cone cavity can be referred to as the receiving area in which the wrapped fibers, as previously described, are brought together with the core fibers of the supplied fibers, in particular with a rotary orbital movement, in order to form a thread that can be guided in a thread exit channel (also referred to as a yarn guide) adjoining the spinning cone cavity. The surface that can be arranged within a diameter around the axis of symmetry that forms the surface surrounding the spinning cone cavity can be referred to as the spinning cone cavity surface.

The expression that a movement component can be exhibited in a radial direction relative to the axis of symmetry is to be understood in particular to mean that a movement 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 wrapped fiber can be moved radially outwards after an interaction with a disturbance device. Alternatively or additionally, a region of a wrapped fiber can also be moved radially inwards; this can be referred to as a radial backward movement or a movement against the radial direction. This can result in the beating described here and elsewhere. This beating can ensure that contaminants do not stick to the spinning cone and one of the surfaces described (or only stick with difficulty). This means that it takes a longer time before the spinning cone has to be cleaned, which reduces the cleaning resources and thus also the costs. Furthermore, this can also reduce the 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 during beating, a return movement, as described above, can occur in order to return the wrapping fibers to one of the surfaces described above. This can enable beating with the advantages described elsewhere.

According to a further aspect, the movement can comprise 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 at least temporarily change the speed of at least a portion of the wrapping fibers that interact with the disruptive device during a rotational cycle. A change in speed can in particular involve acceleration and/or braking. This can implement a cleaning movement. Furthermore, by accelerating and/or braking at least a portion of a wrapping fiber, it can be guided, in particular over a structured surface. This applies accordingly to a large number of wrapping fibers.

The movements for wrapped fibers described here and elsewhere always apply to at least one wrapped fiber, but also to a large number of wrapped fibers, but not necessarily to all wrapped fibers. In other words, this means that there can also be wrapped fibers that do not interact with a defect during a rotation cycle, for example due to interaction with other wrapped fibers. However, these can be lifted off the surface by other wrapped fibers.

A plane that is parallel to one of the described surfaces is in particular a plane that can have a tangent plane to a point and/or to a line of one of the surfaces. Furthermore, in particular, a corresponding change in speed can also take place directly on one of the described surfaces. According to a further aspect, the disruptive 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 structuring. As a result, a disruptive device can be formed by 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 that is designed and arranged in particular to enlarge a surface area. The notch can be arranged in the area of an inlet bevel. 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 designed symmetrically. Alternatively, the notch can be designed asymmetrically. The asymmetry in particular allows the speed to be guided in a rotational orbital movement when the wrapping fibers sink into the notch rather than moving out of the notch. This can improve the introduction of vibrations.

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 means that the vibration introduction can be inverted compared to the notch during a rotation cycle. This can be advantageous depending on the structure of the underlying fibers and/or the wrapped fibers. 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 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 structure, wherein the inner surface is concave. This can define an area which enables the winding fibers to be guided 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 beating, as described elsewhere, and to guide a parallel movement to one of the surfaces, as described elsewhere. This can improve the spinning quality. This 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 designed 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. As a result, more abrupt braking can lead to a faster evasive movement out of the notch, whereby an impact movement can be intensified. On a more gently sloping long edge, the wrapping fiber can "pick up speed" and in particular be guided, since it is not already at this point caused by the notch falling off too quickly from one of the surfaces. This improves the guidance of the movement and thus cleaning. This can also improve the spinning quality.

According to a further aspect, the spinning cone tip can have an outer diameter. This is designed in particular symmetrically around the axis of symmetry of the spinning cone. The disruptive structure can in particular 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 away from the lateral surface in a guided movement by the projecting disruptive device in order to then hit the spinning cone again in a beating movement.

According to a further aspect, the disruption 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 transferred 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 spinning nozzle with a spinning cone, as described above. This makes it possible to reduce the cleaning effort and thus in particular to reduce the resource expenditure and thus the costs. It is also possible to improve the spinning quality.

The textile machine as a system can be described by the method and in particular by its features, effects and advantages. The textile machine can also be described by the features of the spinning cone device. In particular, the features across the various categories are suitable for describing the other categories.

According to a further independent aspect, the object is achieved by the air spinneret. The structure of an air spinneret is well known from the prior 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 carries a fiber introduction element, via which a fiber composite or fiber structure fed to the air spinneret is fed into an interior of the air spinneret. The second housing part preferably carries a yarn formation element, which, when the air spinneret is closed, comprises the spinning cone according to one of the previously described embodiments opposite the fiber introduction element. The thread exit channel can be formed by the spinning cone and preferably additionally by the remaining area of the yarn formation element. The thread produced with the air spinneret can be drawn out of the air spinneret via the thread exit channel and led out of it. When the air spinneret is closed, the first and second housing parts delimit a vortex chamber which at least surrounds the spinning cone and 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 wrapping 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 can have a step of carrying out a rotational revolution of the wrapped fibers around an axis of symmetry of the spinning cone. The method can have a step of interacting with at least one disturbance device during a full rotational revolution. The interaction can be designed in such a way as to generate an impression of a movement of the wrapped fiber interacting with the disturbance device. The movement can in particular be an oscillation. This makes it possible to reduce the cleaning effort and thereby in particular to reduce the resource expenditure and thus the costs. It is also possible to improve the spinning quality.

The method can be described in particular by the features, effects and advantages of the device and/or system. In particular, the features across the various 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 is aligned in the direction of rotation of the fibers. This ensures that the wrapping fibers vibrate. The notches on the tip of the cone can be extended with their selected contour over the outer surface of the cone and thus amplify the vibrations of the wrapping fibers that slide along the outer contour. The wrapping fibers that have been set into vibration via the notches ensure in particular a cleaning effect and better spinning stability.

The mode of operation is based in particular on the vibration of the wrapped fibers hitting the surface of the spinning cone of a yarn forming element. The vibration of the wrapped fibers is generated in particular via a corresponding contour on the spinning cone tip. The impact of the wrapped fibers on the surface of the spinning cone can lead to the detachment of the dirt or deposits attached to it, whereby the surface of the spinning cone can be cleaned automatically, in particular without the addition of additives. Additives can optionally be added using devices and methods in order to increase and/or improve the cleaning effect.

Alternatively or additionally, the movement of the wrapped fibers in the binding zone can be controlled by a structure in the spinning cone, particularly in the area of an inner side of a spinning cone cavity, in such a way that the yarn quality and spinning stability can be influenced. 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 fibers can have direct contact with these areas of the spinning cone and the air flow (air cushion) can be directed into the alleys. Alleys are in particular recesses and/or depressions between the embossed or applied structures. This can ensure that the wrapped fibers contact a certain 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 reduced or completely avoided 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.). 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. 1 B 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 asymmetric 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 a structured surface; and

Fig. 5 is a schematic representation of a process.

The same reference symbols are used for elements and structures with the same function and/or type.

Fig. 1A shows an embodiment of a spinning cone tip 110 with asymmetrical 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 wrapped fibers 26a from supplied fibers, as shown in Fig. 2. The wrapped fibers 26a received in the spinning cone cavity 18 can be 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 in such a way as to carry out a rotational revolution 50 of the winding fibers 26a in a rotational revolution direction U relative to an axis of symmetry 34 of the spinning cone 100. In the embodiment shown, the spinning cone 100 has, by way of example, two mutually opposing interference 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 wrapping fibers 26a during a rotational revolution 50. The wrapping 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 be fed to the thread exit channel 42, as shown in Fig. 2. The wrapping fibers 26a run around the spinning cone edge 16 in a rotational revolution 50 and slide along a long edge 12 into an asymmetrical recess and thereby experience a first acceleration. When the minimum of the asymmetrical recess 10 is contacted, the wrapping fibers 26a are lifted at the short edge 14. This allows a further movement to be imparted to 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 starts in particular from the axis of symmetry 34. As described above, at least some of the wrapping fibers 26a that interact with the asymmetrical recesses can lift off from at least one of the surfaces mentioned at least temporarily. This can in particular lead to a beating movement of the wrapping fibers 26a when the wrapping fibers 26a reappear on the at least one surface. This movement, which runs radially outwards or radially inwards, can be described as an oscillating movement. The beating of the wrapping fibers 26a on the surfaces in particular leads to a cleaning of the spinning cone 100.

In Fig. 1 B, 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 corresponds to that 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. should be.

Fig. 2 shows a schematic of the functioning of a section of an air spinning nozzle 30 of an air spinning device 24 of an air spinning machine, the air spinning nozzle 30 having a spinning cone 100 with a spinning cone tip 110. In this case, wrapped 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 Figs. 3A and 3C). This fiber guide 29 can be arranged and designed in such a way that the supplied fibers are fed to the spinning cone 100 in an orderly manner. An acceleration zone 28 can be formed in the described rotational circuit 50. In this, the wrapping fibers 26a in particular are accelerated, for example by interacting with one of the previously described recesses 10, 15. This allows the wrapping fibers 26a to lift off from the outer surface 20 at least temporarily. When the wrapping fibers 26a are re-struck on the outer surface 20, or on an inner surface of the spinning cone cavity 18, deposits in particular are removed, which can improve cleaning - during operation.

After the wrapping fibers 26a have passed over the spinning cone edge 16 into the spinning cone cavity 18, the wrapping fibers 26a can be spun together with the core fibers, forming a thread 26b that 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 asymmetrical 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 in order to form a corresponding symmetrical recess 15. In this case, the recess can be understood in particular to mean that material is taken from a height of the spinning cone edge 16 at the location of the symmetrical recess 15. By way of 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 axis of symmetry 34 is particularly clear. 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 an axis parallel to the axis of symmetry 34 can divide the symmetrical recesses 15, with 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 placed on the spinning cone 100 with an attachment edge 22. This can be done in particular in such a way that the spinning cone tip 110 is interchangeable. In particular, a spinning cone tip 110 as shown in Fig. 3A can thus be exchanged for a spinning cone tip 110 as shown in Fig. 3B. This makes it particularly quick and easy for a user to exchange the two functionalities for one another.

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 an 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 this concave inner surface 17, inner surface recesses 11 are arranged. These break through in particular the outer surface 20 does not. These fulfill 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 beating movement is impressed on the wrapping fibers 26a (or areas of these wrapping fibers 26a). In particular, areas of the wrapping fibers 26a are subjected to a beating movement that run 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.

In particular, a thread exit channel 42 is connected to the concave inner surface 17 of the spinning cone cavity 18, as described in detail elsewhere. This can be widened in a lower region 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 guided out of the air spinneret 30 by the rotation circuit 50 in a rotation 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 when the thread 26b slides through the spinning cone 100. Purely 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 a surface structure 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 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 rest on a spinning cone tip 110, in particular via attachment surfaces 21. 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 has in particular the step of depositing the wrapped fibers 26a on the spinning cone 100. The method has in particular a performance 220 of a rotational revolution 50 of wrapped fibers 26a. The rotational revolution 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 wrapped fibers 26a. The interaction 230 takes place in particular during a full rotational revolution 50 with at least one disturbance device. A symmetrical recess 15 as described above or an asymmetrical recess 10 can be provided as the disturbance device. The interaction 230 is in particular such as to produce an imprint 240 of a movement, in particular a vibration on a movement, of the winding fibers 26a interacting with the interference device.

“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.

If necessary, isolated features can also be selected from the combinations of features disclosed here and used in combination with other features to define the subject matter of the claim, dissolving any structural and/or functional connection that may exist between the features. List of reference symbols asymmetrical recess 44 locking device inner surface recess 45 wide thread guide area long edge 47 fiber guide inner surface edge 48 cutting edge

Short edge 49 Transition area symmetrical recess 50 Rotational orbit spinning cone edge 100 spinning cone concave inner surface 110 spinning cone tip spinning cone cavity 120 spinning cone body

Spiral shape of a 200 Process for cleaning a surface structuring spinning cone outer surface 210 Application of wrapping fibers attachment surface 220 Execution of a rotation cycle

Attachment edge of wrapping fibers around a concave spinning cone insert Symmetry axis of a spinning cone Air spinning device 230 Interaction of wrapping fibers with

Spinning cone casing area of a disturbance device a wrapping fiber 240 Impressing a movement on the thread wrapping fibers in a rotation

Spinning cone core rotation acceleration zone fiber guide D diameter air spinneret R radial direction symmetry axis U rotational direction

Spinning cone base steep angle h1 Height of spinning cone acceleration area flat angle yarn exit channel h2 Height of area with concave

inner surface

Claims

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 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 has 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) interacting 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 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 comprises 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 structure. 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 disturbance 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 The interference device is particularly designed and arranged such 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 winding fibres (26a) around an axis of symmetry (34) of the spinning cone (100); - an interaction (230) of the wrapping fibers (26a) during a full rotation cycle (50) with at least one disturbance device in such a way as to produce an imprint (240) of a movement, in particular an oscillation, of the wrapping fibers (26a) interacting with the disturbance device.