Nozzle system for textile machine, screw system for quick fastening system and textile machine having nozzle system

Abstract

To provide a nozzle system for a textile machine, which can be quickly, easily and surely fixed.SOLUTION: A nozzle system (100) comprises at least one nozzle element (1), and a connecting element (2) for connecting the nozzle element (1) to a textile machine. The connection element (2) comprises at least one quick fixing system (3). The quick fixing system (3) comprises a first position and a second position. In the first position, the quick fixing system (3) is connected to the connecting element (2) in such a manner that the nozzle element (1) can be fixed to the quick fixing system (3) such that the nozzle element (1) can be removed without assistance. The quick fixing system (3) is designed to be fixed to the connecting element (2) in such a manner that the nozzle element (1) is installed in the second position.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a nozzle system for a textile machine, a screw system for a quick fastening system and a textile machine having a nozzle system. [Background technology]

[0002] Various nozzle systems are known from the prior art. Nozzle systems are usually used to deflect, accelerate or precisely apply a fluid. Fluid means both gases and liquids. Nozzle systems are used, among other things, in textile machines. Textile machines are usually equipped with several nozzle systems for processing yarns. For maintenance or replacement of the nozzles, they need to be disassembled. To do this, the screws that usually secure the nozzles must be loosened.

[0003] EP 2 420 466 discloses such a nozzle system in which the nozzle is mounted by means of several threaded bolts. Summary of the Invention [Problem to be solved by the invention]

[0004] These known nozzle systems have the disadvantage that assembly and disassembly require many steps and therefore a lot of time. Furthermore, there is a risk that the nozzle system or its fixing means may be damaged by falling.

[0005] It is an object of the present invention to remedy these and other disadvantages of the prior art. In particular, a nozzle system should be provided which can be quickly, easily and reliably fixed. [Means for solving the problem]

[0006] These tasks are solved by a nozzle system for a textile machine, a screw system for a quick fastening system and a textile machine having a nozzle system according to the independent claims.

[0007] In particular, the task is solved by a nozzle system for a textile machine. The nozzle system comprises at least one nozzle element and a connecting element for connecting the nozzle element to the textile machine. The connecting element comprises at least one quick-locking system. The quick-locking system has a first position and a second position. In the first position, the quick-locking system is connected to the connecting element such that the nozzle element can be attached to the quick-locking system so that the nozzle element can be removed without assistance. The quick-locking system is designed so that in the second position, the nozzle element is fixedly attached to the connecting element.

[0008] This allows for secure fastening and even simple, quick removal. Unassisted releasability is defined in this application as the ability to move the nozzle element and remove it from the connecting element without having to move the quick-fastening system or parts of the quick-fastening system, such as by loosening screws or using pliers, a hammer, a screwdriver or other tools. The quick-fastening system may be mounted on the connecting element in such a way that this connection is not loosened when the nozzle element is removed and / or the screw system can be removed from the connecting element. The quick-fastening system may be mounted, preferably clamped, in one or more openings. In this way In this way, it can be ensured that the screw system does not fall off when the nozzle element is loosened. In the first position, the nozzle element can be maintained by a magnet and / or a spring element. The nozzle element can be held in the first position at two points and / or clamped in the second position at one or two locations.

[0009] Textile machines are generally understood to be machines for the industrial production of textiles, such as spinning machines, yarn processing machines, shedding machines and drawing machines. All of these machines are equipped with nozzles. Textile machines are used to process all kinds of sewing threads, yarns, cables or similar materials. These may be made of artificial fibers (plastics such as PE, PP, etc.). However, they may also consist of natural fibers (cotton, wool, raffia, etc.) or mixed fibers. In this application, the term "yarn" is used for all these types of materials.

[0010] The connecting element may comprise a fastening element for fastening the nozzle system to the textile machine. The connecting element may comprise a base element, in particular a substrate. The connecting element may comprise a yarn guide element and / or a yarn clamping element. The yarn guide element and / or the yarn clamping element may be arranged substantially perpendicular to the surface of the base element. The yarn guide element and / or the yarn clamping element may each be arranged at one end of the base element. The base element and the yarn guide element may be manufactured in one piece, i.e., in particular, milled or cast as one piece from one material. Preferably, the nozzle element is arranged between the yarn guide element and / or the yarn clamping element. The quick-fastening system may be arranged on the surface and / or face of the base element. However, it is also possible for the quick-fastening system to be attached to or be part of the yarn guide element and / or the yarn clamping element. The connecting element may comprise fastening means, in particular a screw thread, for fastening the air delivery system. The connecting element may comprise an alloy of aluminum, magnesium, and silicon. The connecting element may comprise a fastening opening for fastening the quick fastening system. The setting opening may comprise a thread. The fastening opening may be circumferentially open or closed. When the fastening opening is circumferentially closed, no burrs are formed at the edge of the fastening opening by cutting the thread.

[0011] The quick locking system may comprise a rigid element, in particular a clamping element, and / or an actuatable device. The actuatable device may comprise a movable element, in particular a rotatable element. The movable element may in particular be rotatable up to 180°. The movable element may be movable. The actuatable device may comprise a movable element and a stationary element. The movable element may be rotatable about the movable and / or stationary element. The movable element may be designed such that by moving it, the nozzle element can be moved and a clamping effect can be achieved between the connection element and the quick locking system and between the movable element and the rigid element of the quick locking device, respectively. The quick locking system may comprise two manipulatable devices. The advantage of combining a rigid element and an actuatable device is that it makes replacing the nozzle system easier and faster, since only one connection needs to be released.

[0012] Preferably, the quick locking system is designed such that in one locking position of the connecting element it is possible to prevent the nozzle element from falling off.

[0013] In the fixed position, the connecting element is provided on the textile machine and the nozzle element is provided on the face of the base element. In this fixed position, the quick-locking system or at least a part thereof is provided, in particular below the nozzle element, preferably so that the nozzle element is located on an element of the screw system, preferably a rigid element. In this position, the movable device may be provided above the nozzle element. This makes it easier to prevent the nozzle element from falling off when the movable device is loosened.

[0014] Preferably, in the first position of the quick lock system, the nozzle element is provided so as to be movable between a first position and a second position.

[0015] In the first position, the nozzle element may be arranged to be movable, in particular between two elements of the quick-fixing system, i.e. away from the first element towards the second element, but it is also possible for the nozzle element to be arranged in the first position so as to be laterally movable and / or tiltable and / or pivotable.

[0016] Preferably, the at least one nozzle element comprises an adapter element on which the at least one nozzle is provided.

[0017] The adapter element may comprise a fixing element and / or fixing portion and / or fixing recess, in particular a substantially elongated recess and at least one smaller, wider recess with an open end. The elongated recess may be a substantially elongated hole with an open end. The depth of the elongated recess may be 7 mm. The elongated recess may have a width of 4 mm with a tolerance of 0 to +0.075 mm. The closed end of the elongated recess may have a radius of 2 mm. The edges of the elongated recess may be rounded, preferably with a radius of 3 mm. Preferably, the elongated recess is configured to allow the nozzle element to slide along the thread guide direction in the first position of the quick-fixing system.

[0018] Preferably, the quick fastening system attaches or is capable of attaching at least one nozzle to the connecting element either directly or via an intermediate adapter element and / or an adapter element to the adapter element.

[0019] In the first case, the quick locking system is connected or connectable to the adapter element in the same way as in the case where the connection between the quick locking system and the connection element is as described above.

[0020] According to the invention, the problem is further solved by a nozzle system, in particular as mentioned above, wherein the connecting element comprises a seal for sealing the air delivery system.

[0021] The seal may be installably or releasably connected or connectable to the base element.

[0022] Preferably, the seal has a substantially conical shape, in particular the inner surface has a constant radius towards the axis of the seal.

[0023] The conical shape is preferably provided so that the broad side of the conical shape is located inside the connecting element. This facilitates preventing the seal from falling out of the connecting element. The seal is preferably made of plastic, in particular fluorocarbon rubber. The seal may have an elliptical cross section and / or may be provided on the adapter element or intermediate adapter element, for example, when several nozzles are provided on the intermediate adapter element or adapter element.

[0024] Preferably, the connecting element comprises at least one recess for receiving a sleeve element of the quick-locking system.

[0025] The sleeve element may be configured as a stationary element of the actuatable device. The bulge may be designed to accommodate a fixing pin. The sleeve element is therefore fixed by the fixing pin. It may be removable and / or installable.

[0026] The recess may comprise a substantially circular shape with a flat surface. The recess may comprise a rounded bulge, particularly adjacent the transition from the round shape to the flat surface.

[0027] The connecting element may comprise a further substantially identical recess, for example for receiving a rigid element.

[0028] Preferably, the nozzle element comprises at least one protective element for protecting the nozzle.

[0029] The protective element may be part of the adapter element. The protective element may be made of metal or hard plastic. The protective element may be cast, stamped, or milled.

[0030] Preferably, the protective element comprises an impact cage. In particular, this is provided to protect the sides of the nozzle that are not already protected by other elements of the nozzle system, such as thread guide elements or thread clamping elements. Preferably, the impact cage comprises at least two side protection elements.

[0031] The problem is further solved by the present invention by a screw system for a nozzle system, in particular a quick fastening system for the aforementioned nozzle system. The screw system comprises a sleeve element for attachment to a first element and a pin for connection to a second element. The pin comprises at least one circumferentially arranged guide element. The sleeve element comprises a guide for guiding the guide element. The pin is at least partially arranged within the sleeve element so that the pin is rotatably and movably mounted relative to the sleeve element. The guide comprises a maximum of ¾ turn, in particular a maximum of ½ turn.

[0032] Such a screw system allows the connection between the first element and the second element to be loosened by small rotations. Thus, a sleeve element may be provided on the connecting element, for example, and a pin may be designed to install the nozzle element. The screw system may therefore act as an enabler of the quick-fixing system. Preferably, the quick-fixing system is adapted to be installably connected to the first element and to be releasably connected and / or connectable to the second element. Preferably, the guide element and the guide are configured such that the support between the guide element and the guide is linear.

[0033] Preferably, the sleeve element is a maximum length of 8.5 mm and has a maximum diameter of 6 mm.

[0034] The tight space requirements of the nozzle system require the smallest possible fastening device, however the quick fastening system must still be sized to provide sufficient support for the nozzle elements under pressure.

[0035] Preferably, the guide has a diameter of 1.72 mm, in particular with a tolerance of + / - 0.1 mm.

[0036] Maintaining a certain guide dimension is necessary to allow easy and safe release, so the cross-sectional diameter of the guide element is smaller, preferably up to 1.5 mm.

[0037] Preferably, the sleeve element comprises a twist lock element. The sleeve element may have bulges, protrusions, indentations and / or other irregular contours as anti-rotation elements.

[0038] Preferably, the anti-rotation element comprises an anchoring portion. The anchoring portion comprises a cross-section having a profile. In particular, the profile comprises a substantially rounded surface and a flat surface. The profile of the cross-section comprises an indentation. In particular, the indentation is provided at the transition from the flat surface to the rounded surface. In particular, the radius of the indentation is half the radius of the rounded surface, preferably 1.4 mm.

[0039] Preferably, the rounded surface has a radius of 3 mm. In particular, the radius has a tolerance of 0.05 mm.

[0040] The precision fit manufacturing allows for secure fixation of the screw system. Preferably, the flat surface of the contour has a distance of about 2.5 mm to the center of the rounded surface.

[0041] Preferably, the guide is designed to allow a pin stroke of at least 1.55 mm.

[0042] It must be possible to lift the pin sufficiently to allow easy removal of the second element without assistance.

[0043] The guide may at least partially have an inclination angle of between 15° and 45°, preferably 18 or 30°.

[0044] This ensures that the pin overcomes a large enough distance with a small movement so that the second element, e.g. the nozzle element, can be easily removed while still being sufficiently safe against falling.

[0045] Preferably, the guide is closed. Thus, the guide does not have an opening in its circumference through which a guide element can be inserted into the guide.

[0046] Preferably, the guide comprises several sections, the sections being formed with or without an inclination angle.

[0047] The angle of inclination of the first section may be different from the angle of inclination of the second section, or non-inclined and inclined sections may be provided alternating.

[0048] Preferably, the transitions between the sections are rounded. Therefore, the guide preferably does not have edges on the upper guide wall that could hinder the movement of the guide element. Furthermore, the guide does not have any constrictions, so that the guide element can be easily and quickly guided. The guide element may be cylindrical. In particular, the guide element may be arranged so that no part of the guide element provided on the guide protrudes beyond the sleeve element. In this way, jamming can be easily prevented.

[0049] Preferably, the guide comprises an engagement element, in particular at one end of the guide, particularly preferably at the lower end of the guide at the connection position of the sleeve element.

[0050] This allows the pin to be easily held in the first position.The guide element may comprise a spring element which allows the engaged position.

[0051] Preferably, the engagement element comprises a bulge of the guide, in particular the bulge has a radius substantially half the diameter of the guide, preferably a radius of 0.86 mm.

[0052] The precisely fitted manufacturing allows for a secure fixation of the guide element. Preferably, the pin comprises a recess for receiving the guide element, in particular the recess has a cross-sectional diameter of 1.5 mm, preferably with a tolerance of -0.014 to -0.034 mm.

[0053] This ensures a stable mounting of the guide element. Preferably, the pin has a height of 7.5 mm and in particular a cross-sectional diameter of 4 mm, preferably with a tolerance of -0.01 to -0.05 mm, whereby the inner cross-sectional diameter of the sleeve element is 4 mm with a tolerance between 0.1 mm and 0 mm.

[0054] This allows the adapter element to be well centered relative to the thread guide by the thread guide element and for the pin to slide quickly and smoothly out of and into the sleeve element.

[0055] Preferably, the pin comprises a head for clamping the second element, in particular the head comprises a height of substantially 1.8 mm.

[0056] The pin must not protrude too far from the connecting or adapter element, otherwise the thread path into the nozzle element may be obstructed.

[0057] Preferably, the head comprises a flat surface and a rounded surface at its circumference, in particular the flat surface being located at a maximum distance of 1.95 mm from the axis of rotation of the pin, in particular the rounded surface having a radius of 3.75 mm.

[0058] On the one hand, this ensures that the pin does not obstruct access to other elements in restricted spaces, and on the other hand, corresponding counterparts can be easily clamped on by turning the pin.

[0059] Preferably, at the transition of the rounded surface to the flat surface there is provided at least one rounded portion having a radius different from that of the rounded surface, in particular a radius of 2 mm.

[0060] This allows for a precise fit of rotation. Preferably, each transition section is provided with two rounded sections, between which is provided a straight section, in particular at an angle of 45° to the straight face of the head.

[0061] Preferably, the screw system comprises a spring element which is provided in the sleeve element such that the spring element can be tensioned by moving the pin into the sleeve element.

[0062] This allows for quick engagement as the spring pressure can connect the guide element directly to the engagement element.The screw system may also be equipped with other reset mechanisms.

[0063] The problem is also solved by a quick-fixing system for fixing a nozzle element of a textile machine. The quick-fixing device may comprise at least one of the above-mentioned screw systems and a rigid element. The rigid element may comprise a clamping element, in particular a clamping bolt.

[0064] The clamping element may comprise a flat surface and a rounded surface at its circumference, and a recess may be provided between the flat surface and the rounded surface for locating a fixing element such as a screw.

[0065] The clamping member may comprise a fixing portion and a clamping portion. In particular, the fixing portion may have a maximum cross-sectional diameter of 5.8 mm. The clamping portion may comprise a clamping element, in particular a protrusion, for clamping the element to be fixed. The clamping portion may comprise a notch for locating the element to be fixed. The clamping member may have a height of 12.7 mm.

[0066] Preferably, the aforementioned nozzle system comprises a quick fastening system, which comprises at least one aforementioned screw system and in particular a clamping element.

[0067] Preferably, the screw system is designed to be changeable from the first fixed position to the second fixed position by rotating an element of the screw system by less than 181°.

[0068] According to the invention, the problem is further solved by a textile machine comprising at least one nozzle system as previously described.

[0069] Preferably, the nozzle system is arranged and / or arrangeable on the textile machine such that the nozzle element is restricted in at least two directions of movement in the first position. Preferably, the nozzle element is arranged such that the connection between the nozzle element and the connecting plate cannot be released from the connecting element by compressed air or gravity, but can be detached by a user by simply moving the nozzle element, preferably against the joining direction, in particular by tilting it. The nozzle system may also be arranged such that the clamping element is provided at the bottom in vertical orientation and the movable element or device is provided at the top.

[0070] The problem is further solved by a nozzle element, particularly a nozzle element for the aforementioned nozzle system. The nozzle element includes an adapter element for connection to a connecting element and a nozzle. The nozzle includes two molding elements forming a nozzle channel and a cover. The nozzle is provided on the upper side of the adapter element. The nozzle is connected to the adapter element via two screws, which are inserted from the underside of the adapter element. The connection via the two screws allows the molding elements to be aligned with each other by the screws and centered on the adapter element.

[0071] In this way, the nozzle element can be manufactured easily and precisely, since an additional centering pin can be omitted.The molding element may be made of ceramic.

[0072] The task is also solved by a method for providing a nozzle system, in particular the aforementioned nozzle system, said method comprising: A nozzle system comprising: - bringing the quick locking system from the second position to the first position by rotating the pin by up to 180°; - transferring the nozzle element from a first position to a second position by vertically transferring it; tilting the nozzle element; - removing the nozzle element and / or the nozzle element adapter from the centering element.

[0073] With reference to the following figures, preferred nozzle element embodiments are described. [Brief explanation of the drawings]

[0074] [Figure 1] FIG. 1 is a perspective view of a nozzle system. [Figure 2] FIG. 2 is a top view of the nozzle system from FIG. 1. [Figure 3] FIG. 1 is a cross-sectional view of a screw system. [Figure 4] FIG. 1 is a perspective view of a first embodiment of a sleeve element. [Figure 5] FIG. [Figure 6] FIG. 1 is a perspective view of a clamping element. [Figure 7] FIG. 10 is a top view of the clamping element. [Figure 8] FIG. 10 is a bottom view of the adapter element. [Figure 9] FIG. [Figure 10] FIG. 2 is a cross-sectional view of a connecting element. [Figure 11] FIG. 10 is a first side view of a second embodiment of a sleeve element. [Figure 12] FIG. 10 is a second side view of the second embodiment of the sleeve element. [Figure 13] FIG. 10 is a third side view of the second embodiment of the sleeve element. DETAILED DESCRIPTION OF THE INVENTION

[0075] 1 shows a perspective view of a nozzle system 100. The nozzle system 100 comprises a nozzle element 1 attached to a connection element 2 by a quick fastening system 3.

[0076] The nozzle element 1 comprises a nozzle 4, a protective element 5 having two side arms 5a and 5b forming an impact cage, and an adapter element 6. The protective element 5 and the adapter element 6 are manufactured in one piece, in this embodiment stamped as one piece.

[0077] The connection element 2 comprises a base element, in this case a base plate 21, in which two holes 22 are drilled. These are for connection to a textile machine. At each of the ends 26a, 26b of the base plate 21, a thread guide element 24 is provided perpendicular to the base plate 21. The thread guide elements 24 are provided with thread protection elements 25, each of which is fixed by a screw 23, in this case a pan head screw. The thread guide elements 24 are made in one piece together with the base plate 21.

[0078] The nozzle element 1 is arranged on a broad surface of the substrate 21, here on the upper surface 27, between the thread protection element 24 and the hole 22. The thread channel of the nozzle 4 is arranged laterally (not shown here).

[0079] The yarn is guided from the end 26a through the first yarn guide element 24, over the quick fixation system 3 and into the nozzle 4, where it is treated, and then guided out of the nozzle system 100 again through the yarn guide element 24.

[0080] In the fixed position of the nozzle system 100, the end 26b shown on the right side of the figure is at the bottom, and the top surface 27 and side surface 28 of the substrate 21 are parallel to the vertical.

[0081] Details of how the nozzle element 1 is attached and detached from the connecting element 2 are described in relation to FIG.

[0082] Figure 2 shows a top view of the nozzle system 100 from Figure 1. The nozzle element 1 is visible, which is attached to the connecting element 2 by means of a quick-fixing system 3. The hole 22 is here designed as a countersink. The hole 22 is provided directly adjacent to the narrow face 63 of the nozzle element 1. The quick-fixing system 3 comprises a screw system 3a and a clamping element 3b. The clamping element 3b is clamped by a fixing element 31 in the opening of the connecting element 2. By clamping the nozzle element 1, the nozzle element 1 is firmly connected to the connecting element 2. The screw system 3a is fixed in the same way (not shown here). Both the screw system 3a and the clamping element 3b have heads 60a and 60b, each of which has a rounded clamping surface 61a, 61b and a flat surface 62a, 62b. The flat surfaces 62a and 62b are flattened to such an extent that the screw can be easily inserted into the hole 22. The rounded clamping surfaces 61a and 61b are designed to allow the nozzle element 1 to be easily clamped (see Figures 5 and 7).

[0083] The figure shows the quick-fixing system 3 in a second position. In this second position, the rounded surface 61a of the head 60a of the screw system 3a is oriented to press the nozzle element 1 toward the clamping element 3b. As a result, the nozzle element 1 is firmly connected to the connecting element 2 and cannot move. When the quick-fixing system 3 is released, the head 60a of the screw system 3a is brought to the first position, i.e., rotated to a position so that the rounded clamping surface 61a of the screw system 3a faces away from the clamping element 3b. This releases the clamping connection between the head 60a and the nozzle element 1, allowing the nozzle element 1 to be moved along the suture guide line F. This is the first position of the quick-fixing system 3. In this position, the nozzle element 1 is held in place to such an extent that it would not fall off even if pressure was still present on the nozzle.

[0084] 3 shows a cross section of the screw system 3a, which comprises a rigid element (here a sleeve element 33), a movable element (here a pin 32) and a guide element .

[0085] The sleeve element 33 has an outer cross-sectional diameter of 6 mm with a tolerance of 0 to -0.1 mm and a wall thickness of 4 mm with a tolerance of + / - 0.05 mm on the flat surface 50 (see FIG. 4). Internally, the sleeve element 33 has a first inner space 47 and a second inner space 57. The first inner space 47 is located at the top and opens from the upper surface 52 of the sleeve element 33 6 mm toward the lower surface 56 of the sleeve element (see FIG. 4). The cross-sectional diameter of the first inner space 47 is 4 mm with a tolerance of +0.05 mm to 0 mm. The second inner space 57 is located below the first inner space 47 and opens from the first inner space 47 2 mm toward the lower surface 56 (see FIG. 4). The second inner space has a cross-sectional diameter of 3.8 mm.

[0086] The guide element 34 is arranged to be guided by a guide 44 in the sleeve element 33. The guide element 34 is also arranged in a recess 37 in the shaft 36 of the pin 32. The shaft 36 is arranged partially inside the sleeve element 33. A spring element 40 is arranged below the shaft 36 and above an opening 39 in the bottom of the sleeve element 33.

[0087] The shaft 36 has a cross-sectional diameter 41 of 4 mm with a tolerance of -0.1 mm to -0.5 mm. The recess 37 in the shaft 36 has a cross-sectional diameter of 1.5 mm with a tolerance of 0.014 to -0.034, and a depth of 3.3 mm.

[0088] The pin 32 also comprises a head 60a of the screw system 3a, which has a recess 43 for a hexagonal screwdriver.

[0089] The guide element 34 has a cylindrical shape and is pressed into the recess 37 so that the part 42 of the guide element 34 that is not provided in the recess 37 does not protrude.

[0090] The figure shows the screw system 3a in a screwed, fixed position. The distance between the sleeve element 33 and the head 60a of the pin 32 is the fixed distance at which the object to be fastened, in Fig. 1 the adapter element 6, is placed. The spring element 40 is tensioned.

[0091] To release the pin 32, the pin 32 is pushed downwards towards the spring element 40 and rotated 180° about the pin axis A until the guide element 34 is located at the upper end 45a of the guide 44.

[0092] 4 shows a perspective view of a first embodiment of the sleeve element 33. The sleeve element 33 essentially comprises a sleeve 51 of round cross section having an upper surface 52 with a large opening 55 and a lower surface 56 with a smaller opening (see FIG. 3). The sleeve 51 comprises a flat surface 50 and a recess 49. The flat surface 50 serves to prevent rotation of the sleeve element 33. The sleeve element 33 is, for example, mounted in a recess of the connecting element 2 (see FIG. 1). A fixing pin 31 is then mounted in the recess 49 (not shown) to mount the sleeve element 33. The recess 49 is located at the transition from the flat surface 50 to the round surface 54 and extends downward from the upper surface 52 by 7.7 mm.

[0093] The sleeve element 33 further comprises a guide 44. The guide 44 comprises a passageway from the outer surface of the sleeve 51 to the inner surface of the sleeve 51. The guide 44 comprises two ends 45a and 45b. The first upper end 45a is disposed 0.75 mm from the upper surface 52 of the sleeve element 33 with a tolerance of ±0.05 mm, and the second lower end 45b is disposed 2.6 mm from the upper surface 52 with a tolerance of ±0.5 mm. The lower end 45b is provided with an engagement element 53, in this case a recess. Furthermore, at the ends 45a and 45b, the guide 44 comprises two portions 46a and 46b without an inclined angle. Between these portions 46a and 46b, a portion 48 with an inclined angle is provided.

[0094] The sleeve element 33 is made of chromium-nickel steel. FIG. 5 shows the screw system 3a from above. The pin 32 is visible, having a head 60a, which is provided with a recess 43 for inserting a hexagonal screwdriver. In cross section, the head 60a comprises a rounded surface 61a and a flat surface 62a. The rounded surface 61a has a radius of 3.75 mm with a tolerance of + / - 0.05 mm. At each transition from the rounded surface 61a to the flat surface 62a, three transition sections 72, 73, and 74 are provided. The first transition section 72 extends from the rounded surface 61a to the flat surface 62a and comprises a radius with a radius of 2 mm. The second transition section 74, which continues in the same direction, is straight and is inclined at 45° relative to the straight surface 62a. The third transition section 73 also comprises a radius of 2 mm.

[0095] At its widest point 75, head 60a has a cross-sectional diameter of 7.45 mm. Across this widest cross-sectional diameter, head 60a has a cross-sectional diameter of 5.7 mm.

[0096] Also shown is the top surface of sleeve element 33. FIG. 6 shows the clamping element 3b in a side view. The height of the clamping element 3b is substantially 12.7 mm. The clamping element 3b comprises a clamping head 60b having a protrusion 80 on a rounded surface 61b (see also FIG. 7). The protrusion 80 has a height of 2 mm. Below the protrusion 80 is a clamping recess 81 in which the substrate 21 can be placed (see FIG. 1). The height of the clamping recess 81 is 2.3 mm. The protrusion 80 has a beveled edge 83 towards the top of the clamping element 3b and towards the recess 81. Below the clamping recess 81 is the clamping body 77 of the clamping element 3b.

[0097] Two further notches 82 and 84 are provided in the side of the clamp body 77. Notch 84 is designed to connect to the fixing element 31 (see FIG. 1) and extends from a point 5 mm from the underside 85 of the clamp body 77 to the upper surface 70 of the clamp head 60b. The length of notch 84 is 7.7 mm. The length of notch 82 is 4 mm and starts 2.4 mm from the underside 85 of the clamp body 77.

[0098] Figure 7 shows clamp member 3b in a top view. In cross section, clamp head 60b has rounded surface 61b and straight surface 62b. Rounded surface 61b has a radius of 2.7 mm. At one transition from rounded surface 61b to straight surface 62b are three transition portions 76, 89, and 88 and a notch 84. From rounded surface 61b, straight transition portion 76 follows first in a clockwise direction, followed by straight transition portion 89, notch 84, and finally rounded transition portion 88.

[0099] From rounded surface 61b, straight transition portion 76 is the first in a counterclockwise direction, followed by kinked transition portion 86, rounded transition portion 87, and finally rounded transition portion 88.

[0100] The cross-sectional diameter from transition portion 86 to transition portion 89 is 5.8 mm. The cross-sectional diameter from straight surface 62b to the farthest point of rounded surface 61b is 5.5 mm.

[0101] Clamp body 77 has substantially the same cross section. However, rounded surface 61c of the chock cross section has a radius of 3mm with a tolerance of + / - 0.05mm. Rounded surface 61c merges directly into transition portions 86 and 89.

[0102] Figure 8 shows a bottom view of the adapter element 6. The adapter element 6 has a rectangular base at its bottom surface 10. The narrow end 11a of the base is provided with a fixing opening 12a. The mounting opening 12a has a substantially triangular shape, with a rounded inner tip 13a having a radius of 3.05 mm. The side 13b opposite the tip 13a is open so that the fixing opening 12a can communicate with the clamping element 3b (see Figure 1).

[0103] At the further narrow end 11b of the base, a fixing opening 12b is provided. The fixing opening 12b essentially comprises an elongated hole, i.e., here, two parallel sides 14a with an end radius 14b. The side 14c opposite the end radius 14b is open so that the fixing opening 12b can communicate with the screw system 3a (see FIG. 1). The edge 15 of the open side 14c is rounded and has a radius of 3 mm.

[0104] In the centre of the underside 10 there is provided an air duct 17 which is connectable to the air delivery system for the nozzle 4 (see Figure 1). The air duct 17 has a cross-sectional diameter of 6 mm.

[0105] Furthermore, the adapter element 6 comprises two connection openings 16 for connection to the nozzle 4 (see FIG. 1 ). These connection openings 16 are designed as countersunk holes with an outer cross-sectional diameter of 3.2 mm and an inner cross-sectional diameter of 1.6 mm with a tolerance of H8.

[0106] Furthermore, the adapter element 6 is provided with countersinks 18 on the lower surface 10. These countersinks 18 are used for mounting nozzle elements of different types (not shown here).

[0107] In this embodiment, the adapter element 6 is produced in one piece together with the protective element 5 as a stamped part. Thus, perforated openings 19 can be seen here in the underside 10.

[0108] FIG. 9 shows a cross-section of seal 90. Seal 90 is substantially conical, with a sloped outer wall 92 and a straight inner wall 93. The inner cross-sectional diameter is 6 mm. On the wide face 91 a, the outer cross-sectional diameter is 10.8 mm with a tolerance of + / - 0.15 mm. On the narrow face 91 b, the outer cross-sectional diameter is 9.126 mm with a tolerance of + / - 0.15 mm. The height of seal 90 is 2.3 mm with a tolerance of + / - 0.1 mm. Seal 90 is made of fluorocarbon rubber.

[0109] Figure 10 shows a cross section of the connecting element 2. The thread guide elements 24 provided at the sides can be seen. each of which is provided with a recess 29 for receiving a thread protection element 25 (see FIG. 1).

[0110] Below the recess 29 there is an opening 30 into which a screw can be inserted to secure the thread protection element 25 (see FIG. 1).

[0111] In the center of the connecting element 2 is provided the central axis L of the air channel 20. The air channel 29 is provided with a thread for connection to a compressed air connection. The thread of the air channel 20 leads from the underside 67 of the connecting element 2 6.5 mm towards the upper side 27 of the connecting element 2. Adjacent to the air channel 20 is a conical extension 65 in which a seal 90 can be provided, with its wide surface 91a abutting the end of the air channel 20 (see Figure 9).

[0112] The holes 22 are countersunk and each have a major cross-sectional diameter of 9mm and a minor cross-sectional diameter of 5.3mm with a tolerance of + / -0.1mm. The central axes M of the holes 22 are 45mm apart.

[0113] Between each of the holes 22 and the air duct 20 is located a quick fit opening 64. The quick fix openings 64 lead 8.5 mm from the upper surface 27 of the connecting element 2 towards the lower surface 67 of the connecting element 2. The quick fix system 3 is provided in the quick fix openings 64 (see FIG. 1). The quick fix openings 64 have essentially the same cross section as the clamp body 77 and the sleeve element 33.

[0114] In addition, adjacent to each quick-fix opening 64, a fixation opening 66 is provided (only one is shown here). The fixation opening 66 extends 7 mm from the top surface 27 of the connecting element 2 towards the bottom surface 67, is provided with a thread, and part of the circumference of the fixation opening 66 opens into the quick-fix opening 64. Each fixation opening 66 is provided with a fixation element 31, thus connecting the screw system 3 a and the clamping element 2 b to the connecting element 2 (see FIG. 2). In another embodiment, the fixation opening has a depth of only 1.6 mm with a tolerance of + / - 0.05 mm and is closed at the circumference (not shown here). An advantage of this embodiment is that the quick-fix openings 64 are burr-free.

[0115] 11 shows in side view a second embodiment of the sleeve element 133. Only the differences with respect to the first embodiment of the sleeve element 33 will now be described.

[0116] The sleeve element 133 includes a guide 144 having a first straight portion 134, a second portion 135 having a bevel angle, a third straight portion 136, and a fourth portion 137 having a bevel angle of 18° over a height of 0.315 mm with a tolerance of + / - 0.05.

[0117] The lower wall 134a is longer than the upper wall 134b, and likewise, the lower wall 136a is longer than the upper wall 136b.

[0118] The transitions between the sections 134, 135, 136 and 137 are rounded and have a radius between 0.5 and 2 mm, which allows easy guiding of the guide element 34 (see FIG. 3).

[0119] FIG. 12 shows another side view of the second embodiment of the sleeve element 133. The portion 138 of the guide 144 has no straight portions other than the bevel, but has a rounded end 139. The portion 138 has a height parallel to the axis of rotation D of 2.8 mm. The underside 140 has a transition portion 140 with a radius of 0.5 mm.

[0120] FIG. 13 shows a third side view of the second embodiment of the sleeve element 133. The recess 149 is used to locate the head of a screw so that the head of the screw presses against the underside of the recess 149.

Claims

1. A nozzle system (100) for a textile machine, comprising: At least one nozzle element (1); a connecting element (2) for connecting the nozzle element (1) to a textile machine, said connecting element (2) comprising at least one quick fastening system (3), The quick locking system (3) comprises a first locking position and a second locking position, In the first locking position, the quick locking system (3) is connected to the connecting element (2) in such a way that the nozzle element (1) can be locked to the quick locking system (3) so that it can be removed by moving the nozzle element (1) without having to move the quick locking system (3) or any part of the quick locking system (3), Nozzle system (100), characterized in that the quick locking system (3) is designed such that in the second locking position the nozzle element (1) is immovably fixed to the connecting element (2).

2. 2. The nozzle system (100) according to claim 1, wherein the connecting element (2) is positionable on a textile machine and the nozzle element (1) is positionable on a surface of a base element (21) of the connecting element (2), whereby the quick fastening system (3) or at least a part of the quick fastening system (3) is provided below the nozzle element (1) such that the nozzle element (1) is positioned on a clamping element (3b) and / or an actuatable device of the quick fastening system (3).

3. the connecting element (2) comprises a fastening opening for fastening the quick fastening system (3), 3. The nozzle system (100) of claim 1 or 2, wherein the quick fixation system (3) is mounted and / or clamped to the fixation opening.

4. 4. The nozzle system (100) according to any one of claims 1 to 3, wherein in the first fixing position, the nozzle element (1) is movably mounted between two elements of the quick fixing system (3).

5. 5. The nozzle system (100) according to claim 1, wherein in the first fixing position of the quick fixing system (3), the nozzle element (1) is movable between a first position and a second position.

6. 6. The nozzle system (100) according to any one of claims 1 to 5, characterized in that the at least one nozzle element (1) comprises an adapter element (6) on which at least one nozzle (4) is provided.

7. 7. The nozzle system (100) according to claim 6, characterized in that by means of the quick fastening system (3), the at least one nozzle (4) is fastened or fastenable to the connecting element (2) either directly or via an intermediate adapter element to the adapter element (6) and / or the adapter element (6).

8. Nozzle system (100) according to any one of claims 1 to 7, characterized in that the connecting element (2) comprises a seal (90) for sealing the air delivery system.

9. The nozzle system (100) of claim 8, wherein the seal (90) has a conical shape and an inner surface has a radius that is constant toward the axis of the seal (90).

10. The nozzle system (100) according to any one of claims 1 to 9, characterized in that the connecting element (2) comprises at least one recess (64) for receiving a sleeve element (33) of the quick fastening system (3).

11. Nozzle system (100) according to claim 7, characterized in that the nozzle element (1) comprises at least one protective element (5) for protecting the nozzle (4).

12. Nozzle system (100) according to claim 11, characterized in that the protective element (5) comprises an impact cage (5a, 5b).

13. A screw system (3a) for a quick fastening system (3) of a nozzle system (100) according to claim 6, comprising: The screw system (3a) comprises: a sleeve element (33) for fixing to said connecting element (2); a pin (32) for connecting to said adapter element (6), The pin (32) comprises at least one circumferentially disposed guide element (34), The sleeve element (33) comprises a guide (44) for guiding the guide element (34), the pin (32) is at least partially disposed within the sleeve element (33) such that the pin (32) is rotatably and movably mounted relative to the sleeve element (33); Thread system (3a), characterized in that said guide (44) has a maximum of 3 / 4 turns.

14. Thread system (3a) according to claim 13, characterized in that the sleeve element (33) is provided with an anti-rotation element (50).

15. Thread system (3a) according to claim 13 or 14, characterized in that the guide (44) is designed to allow a stroke of the pin (32) of at least 1.55 mm.

16. Thread system (3a) according to any one of claims 13 to 15, characterized in that the guide (44) is closed.

17. Thread system (3a) according to claim 15, characterized in that the guide (44) comprises several sections (46a, 46b, 48), which sections are formed with or without an inclination angle.

18. Thread system (3a) according to claim 17, characterized in that the transitions between the portions (46a, 46b, 48) are rounded.

19. The screw system (3a) according to any one of claims 13 to 18, characterized in that the guide (44) comprises an engagement element (53), the engagement element (53) being provided at one end (45a, 45b) of the guide (44).

20. 20. The screw system (3a) according to claim 19, characterized in that the engaging element (53) comprises a bulge of the guide (44), the bulge having a radius that is half the diameter of the guide (44).

21. The screw system (3a) according to any one of claims 13 to 20, wherein the pin (32) comprises a recess (37) for receiving the guide element (34), the recess (37) having a cross-sectional diameter of 1.5 mm.

22. The screw system (3a) according to any one of claims 13 to 21, wherein the pin (32) has a height of 7.5 mm and a cross-sectional diameter (41) of 4 mm.

23. The screw system (3a) according to any one of claims 13 to 22, wherein the pin (32) comprises a head (60a) for clamping the adapter element (6).

24. 24. The screw system (3a) according to claim 23, wherein the head (60a) comprises, at its outer edge, a flat surface (62a) and a rounded surface (61a).

25. 25. A thread system (3a) according to claim 24, characterized in that at the transition of the rounded surface (61a) to the flat surface (62a) at least one rounded portion (72, 73) is provided with a radius different from the radius of the rounded surface (61a).

26. Thread system (3a) according to claim 25, characterized in that each transition is provided with two rounded portions (72, 73) and between each of said rounded portions (72, 73) there is provided a straight portion (74).

27. Thread system (3a) according to any one of claims 13 to 26, characterized in that the thread system (3a) comprises a spring element (40), which is provided in the sleeve element (33) in such a way that the spring element (40) can be tensioned by moving the pin (32) into the sleeve element (33).

28. Nozzle system (100) according to any one of claims 1 to 12, characterized in that the quick fastening system (3) comprises at least one screw system (3a) according to any one of claims 11 to 25 and a clamping element (3b).

29. 29. The nozzle system (100) according to claim 28, characterized in that the screw system (3a) is designed to be changeable from the first fixed position to the second fixed position by turning an element of the screw system (3a) by less than 181°.

30. A textile machine comprising at least one nozzle system (100) according to any one of claims 1 to 12 or 28 to 29.

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