Clamping chuck for winding multiple yarns

The clamping chuck with dual winding sleeves and strategic bearing points addresses deformation issues under bending loads, enhancing reliability and reducing wear in winding devices.

JP2025538890APending Publication Date: 2025-12-02OERLIKON TEXTILE GMBH & CO KG
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Patent Information

Application Number
JP2025531900
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-12-02
Filing Date
2023-11-29
Publication Date
2025-12-02

AI Technical Summary

Technical Problem

Existing clamping chucks in winding devices deform excessively under bending loads due to the weight of the winding package, leading to high wear on the drive devices, especially in longitudinally extended designs.

Method used

A clamping chuck design with two rotatably supported winding sleeves connected via a support mandrel, featuring bearing points at strategic locations to absorb and dampen loads, allowing for a long projection without a central internal drive shaft, and utilizing a tensioning means transmission or internal drive shaft for rotation.

Benefits of technology

The design enhances the clamping chuck's ability to resist bending loads, reducing wear on drive components and ensuring reliable operation even with long projections, thus improving the winding process efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a clamping chuck (1) for winding a plurality of yarns (24), the clamping chuck (1) being rotatably mounted on a winding spindle support (2) of a winding device (100), the clamping chuck (1) having a winding wall (30) protruding from the winding spindle support (2) and provided with tube clamping devices (70) for removably securing a plurality of tubes, each capable of winding a plurality of yarns (24), on its circumferential surface, and a drive device (2) for rotatably driving the winding wall (30) to wind the yarns. The clamping chuck also relates to a corresponding winding device. The winding sleeve (30) has a first winding sleeve (31) and a second winding sleeve, which are connected to each other at end sections facing each other in the longitudinal direction of the winding sleeve (30) and are rotatably supported on a support shaft (80) of the clamping chuck (1).
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Description

[Technical Field]

[0001] The present invention relates to a clamping chuck for winding multiple threads, which is rotatably mounted on a winding spindle support of a winding device, and to a corresponding winding device equipped with the clamping chuck, according to the preamble of claim 1. [Background technology]

[0002] A winding device of this type is known, for example, from DE 102022116443 C1, which describes and claims an external drive in the form of a tensioning means transmission for a clamping chuck.

[0003] In winding machines known from the prior art, several threads are wound parallel to one another at the same time to form a package.

[0004] For this purpose, the winding device has a protruding clamping chuck, on the periphery of which a number of winding tubes are locked for receiving the yarn wound by the winding device. The clamping chuck is rotatably supported on the periphery of a support mandrel. The support mandrel is fixedly connected to the winding spindle support, which usually provides a second support mandrel for receiving a further second clamping chuck. The two support mandrels are arranged on the winding spindle support at 180° offset from each other. The winding spindle support is rotatably supported on the machine support frame of the winding device, so that a substantially continuous winding or winding of the yarn is possible alternately on the clamping chuck.

[0005] In each case, one clamping chuck is moved to the winding position and the other clamping chuck is in the doffing position, so that when a complete winding package has been wound onto the winding tube, a new winding tube can be supplied to the other clamping chuck.

[0006] The clamping chuck can be driven by a tensioning means transmission, in particular a toothed belt drive, which is guided via a ring gear provided on the periphery of the clamping chuck and driven by a drive.

[0007] In other winding devices, the drive of the tensioning chuck is effected via an internal drive shaft which extends in the longitudinal direction of the tensioning chuck so that the internal drive shaft can rotate the winding jacket accordingly.

[0008] However, with a clamping chuck that is formed to be extremely long, a problem may arise in that as the weight of the winding package increases during winding, the clamping chuck is deformed to an unacceptably large extent due to bending load.

[0009] This can be a disadvantage, especially in shaft-driven clamping chucks, because the internal drive shaft does not deform to the same extent as the take-up circumference of the clamping chuck.

[0010] Such loads can lead to high wear on the respective drive devices, especially in clamping chucks that are lengthened longitudinally to accommodate additional winding packages. Summary of the Invention [Problem to be solved by the invention]

[0011] SUMMARY OF THE INVENTION It is therefore an object of the present invention to improve a clamping chuck so that it can also reliably resist bending loads even when it is designed with a very long projection. [Means for solving the problem]

[0012] This problem is solved according to the invention by a clamping chuck having the features of claim 1.

[0013] Advantageous refinements of the invention are defined in the dependent claims.

[0014] Another object of the present invention is to provide a winding device which can be provided with a clamping chuck which is formed with a very long projection and which can therefore be operated reliably.

[0015] This problem is solved according to the invention by a winding device having the features of claim 11.

[0016] Advantageous refinements of the winding device are set forth in the features and feature combinations of the dependent claims.

[0017] According to one aspect of the present invention, there is provided a clamping chuck for winding a plurality of yarns, the clamping chuck being rotatably mounted on a winding spindle support of a winding device, the clamping chuck having a winding sleeve protruding from the winding spindle support and including tube clamping devices for removably fastening a plurality of tubes, each capable of fastening a plurality of yarns, to its peripheral surface, and a drive device for rotatably driving the winding sleeve to wind the yarn. The winding sleeve has a first winding sleeve and a second winding sleeve, the first winding sleeve and the second winding sleeve being connected to each other at end sections facing each other in the longitudinal direction of the winding sleeve and rotatably supported on a support mandrel of the clamping chuck.

[0018] The clamping chuck according to the invention makes it possible in particular to form a particularly long clamping chuck which is rotatably fastened to the winding spindle support only on one side and has a protruding free end.

[0019] A number of tubes can be fastened to the clamping chuck by means of clamping devices which are designed to be removable, for example pneumatically, so that the preloaded clamping pieces are preloaded and positioned on the tube to be fastened.

[0020] By pneumatically releasing the clamping, the tube or the thread wound on the tube can be removed from the clamping chuck.

[0021] Since the load on the clamping chuck increases with the wound tube, the winding sleeve provided on the clamping chuck is made up of two winding sleeves.

[0022] The two winding sleeves are rotatably supported relative to one another via a load-bearing support mandrel.

[0023] This allows the clamping chuck to be lowered further as the load increases, i.e., according to the prior art, the drive for the winding sleeve is located inside the clamping chuck up to the end of the clamping chuck, which may also include a protruding end section.

[0024] Thus, very high loads on the clamping chuck can act negatively on the internal drive shaft.A solution is a winding shroud having a plurality of winding shroud sleeves rotatably supported on a support mandrel.

[0025] The support mandrel is a load carrier for the clamping chuck and is rotatably fixed to a take-up spindle support, which may be, for example, a turret spindle that rotatably positions at least two take-up spindle supports in the take-up device.

[0026] This allows the exchange of the winding or the doffing of the tube provided with the synthetic thread and fixed in the clamping chuck, doffing being understood in this context to mean the removal of the tube from the clamping chuck.

[0027] According to one configuration of the clamping chuck, the first winding sleeve and the second winding sleeve are rotatably supported on a support mandrel at two spaced apart first and second bearing locations.

[0028] By bearing point is to be understood in this context the bearing point of the winding sleeve on the support mandrel, which allows the winding sleeve to rotate on the support mandrel.

[0029] The rotation of the winding sleeve can be advantageously achieved by a separate drive which acts on the circumferential surface of the winding sleeve or on the winding sleeve via a shaft inside the support mandrel, thereby rotating the winding sleeve.

[0030] The bearing locations may comprise, for example, ball and / or roller bearings, which are preferably supported in a damped manner on a support shaft, so that the corresponding displacements due to the load are not transmitted directly to the support shaft but are correspondingly damped and / or absorbed by the damping bodies, which have the function of reducing the vibration amplitude in the event of resonance.

[0031] The winding sleeve of the clamping chuck according to the present invention has two separate winding sleeves connected to each other, the first winding sleeve and the second winding sleeve being rotatably supported on a support mandrel by two spaced apart first and second bearing locations.

[0032] This allows the winding sleeve to be unloaded on the support mandrel via the bearing points, so that a particularly long-projecting clamping chuck is possible.

[0033] According to another configuration of the clamping chuck, the first winding sleeve has a first bearing point on the winding sleeve support, at which the first winding sleeve is rotatably supported on a support mandrel, which extends from the winding spindle support.

[0034] In this case, the position of the first bearing point relative to the support mandrel and the winding sleeve is more accurately defined.

[0035] In this case, as a reference to the position, the position of the support mandrel with respect to its fixing on the winding spindle support is more precisely defined.

[0036] Advantageously, the first bearing point is also provided at the point where load relief takes place on the take-up spindle support of the clamping chuck.

[0037] According to another configuration of the clamping chuck, the first winding sleeve has a second bearing point at the connection point with the second winding sleeve, the second bearing point being positioned in the area of ​​the center of gravity of the clamping chuck.

[0038] The clamping chuck has a winding jacket consisting of two winding jacket sleeves extending from one another, so that the connection point between the first winding jacket sleeve and the second winding jacket sleeve is present as the second bearing point.

[0039] This allows a particularly advantageous load relief of the clamping chuck.The support mandrel does not have to extend over the entire length of the winding jacket, but can be fixed at any advantageous position on the winding jacket.

[0040] The advantageous location of the second bearing point is the center of gravity of the clamping chuck, the center of gravity area being determined in such a way that it is located at the connection point between the first winding sleeve and the second winding sleeve.

[0041] The connection point allows the first clamping sleeve and the second clamping sleeve to rotate together and synchronously, and also allows load relief at the second bearing point towards the support axle.

[0042] According to a preferred configuration of the clamping chuck, the winding sleeve is connected to the drive at one end section positioned adjacent to the winding spindle support or at an end section positioned opposite the winding spindle support.

[0043] The drive of the clamping chuck can act at various positions on the winding jacket: On the one hand, the drive can be positioned on the winding jacket adjacent to the spindle support, so that even here the drive acts directly on the winding jacket.

[0044] However, in an alternative embodiment, the drive can also be connected to the drive at a location arranged adjacent to the spindle support, i.e. at the opposite end of the tube circumferential wall.

[0045] The opposite end of the winding sleeve is in particular a protruding free end.

[0046] In this configuration, the drive force of the drive unit is introduced via a shaft which extends, for example, partially through the clamping chuck towards the connected end section of the second clamping sleeve, which end section is adjacent to the end section of the first winding sleeve sleeve.

[0047] According to another configuration of the clamping chuck, the first winding sleeve is drivingly connected at one end section to the drive and rotatably connected at another end section opposite the end section connected to the drive to a second winding sleeve, the second winding sleeve extending from the protruding end section of the first winding sleeve in the longitudinal direction of the clamping chuck, and the second winding sleeve being forcefully connected to the first winding sleeve.

[0048] At the second bearing location, the first winding sleeve is also rotatably connected to the second winding sleeve, so that the torque provided by the drive can be transmitted from the first winding sleeve to the second winding sleeve without any losses occurring here.

[0049] Preferably, the first winding jacket sleeve and the second winding jacket sleeve are connected to each other in a force-locking manner at their end sections facing each other, so that the first winding jacket sleeve and the second winding jacket sleeve together form the winding jacket.

[0050] According to another configuration of the clamping chuck, the first bearing location and / or the second bearing location has a bearing and a damping device, which is arranged between the bearing and the support mandrel, so that the first winding sleeve and the second winding sleeve are supported rotatably and damped around the support mandrel.

[0051] In order to optimally and efficiently transfer the load forces that occur to the support shaft, the bearing points are preferably designed to be damped, for which purpose suitable damping means can be provided.

[0052] In one arrangement, the damping means may be, for example, a rubber bearing device.

[0053] According to a preferred configuration of the clamping chuck, the first bearing location and / or the second bearing location each have two bearings, which are abutted against each other and are preloaded.

[0054] In this preferred configuration, the bearing points which rotatably support the winding jacket or winding jacket sleeve on the support mandrel are each formed with two bearings, the bearings acting in such a way that they are preloaded in their acting direction and move relative to one another.

[0055] The application of pressure and preload results in a corresponding face-to-face or back-to-back arrangement, so that the bearing points have corresponding properties.

[0056] According to a preferred configuration of the clamping chuck, the bearings of the first bearing location and / or the bearings of the second bearing location are abutted against one another in face-to-face or back-to-back arrangement.

[0057] The term "preloaded" in a bearing arrangement means that both bearings, usually two mirror-image angular contact ball bearings or tapered roller bearings, are preloaded with respect to one another. The name comes from the position of the pressure line through the rolling bearings: if the center of pressure is located between the bearing locations, it is called face-to-face pairing; if it is located outside the bearing locations, it is called back-to-back pairing. In back-to-back pairing, the bearing arrangement can withstand larger tilting moments than in back-to-back pairing, because the distance between the centers of pressure is greater in back-to-back pairing.

[0058] At the second bearing location, which is the connection location between the first clamping sleeve and the second clamping sleeve, a back-to-back combination is selected, and at the bearing locations of the first winding spindle sleeve on the spindle support, a front-to-front combination is provided for each bearing.

[0059] According to another embodiment of the clamping chuck, the damping device comprises at least one groove-like receptacle in the support mandrel and an elastic damping means, in particular a rubber damping body.

[0060] In order to better damp the vibrations caused by the rotation of the winding jacket, the bearings can also be elastically damped at appropriate locations. The damping bodies can be arranged in corresponding receiving recesses. In a preferred embodiment, these receiving recesses are groove-shaped and extend over the entire circumference of the support mandrel and are formed in the support mandrel.

[0061] According to another aspect, there is provided a winding device for winding a plurality of threads using a clamping chuck according to at least one of the configurations described above, wherein the drive of the clamping chuck acts at the first bearing point and / or the second bearing point.

[0062] The application location of the drive at the first bearing location or at the second bearing location has various advantages.

[0063] The action of the drive at the first bearing location has the advantage that no shaft is required for the drive of the clamping chuck, which extends through the entire clamping chuck and which could be blocked by the winding jacket in the event of very large displacements of the winding jacket.

[0064] When the drive device is operating at the second bearing location, a shortened shaft can be used which extends through the clamping chuck only partially towards the second bearing location at least.

[0065] A shortened shaft can compensate, without limitation, for larger displacements of the surrounding winding sleeve than a shaft extending entirely through the clamping chuck.

[0066] According to another configuration of the winding device, the drive of the clamping chuck has a tensioning means transmission and / or an internal drive shaft. If the drive acts at the first bearing location, the drive is preferably a tensioning means transmission. If the drive acts at the second bearing location, the drive is preferably an internal drive shaft.

[0067] According to another configuration of the winding device, the tensioning means transmission comprises a tension roller for tensioning the tensioning means and a ring gear engaging with the tensioning means, the tensioning means in particular comprising a toothed belt with arrow-shaped teeth.

[0068] By means of the tensioning means transmission, it is advantageously possible to provide a shaftless drive for the support mandrel of the winding spindle support, which preferably provides a drive that functions independently of the bending load of the clamping chuck.

[0069] The tensioning means is preferably a toothed belt with teeth formed in the shape of an arrow, which offers the advantage of a secure support and positioning of the toothed belt on a ring gear with corresponding teeth, so that the toothed belt does not come off the ring gear even when a load is applied to the clamping chuck.

[0070] According to another configuration of the winding device, the ring gear is positioned at a first bearing point of a first winding jacket sleeve of the winding jacket, so that the drive of the tensioning means transmission can drive the ring gear together with the winding jacket. Since the ring gear is engaged with the winding jacket, the drive can rotate the winding jacket, and thus the winding tube and the winding jacket can also be used to wind and wind the yarn.

[0071] According to another configuration of the winding device, the internal drive shaft of the drive unit is connected to the winding jacket at a second bearing location, so that the internal drive shaft can rotate the winding jacket. Instead of the tensioning means transmission, an internal drive shaft can also be used. The internal drive shaft has a shaft that extends at least partially through the winding jacket toward the second bearing location, and the shaft engages and is connected to the winding jacket at the second bearing location, so that the torque of the drive unit can be transmitted to the winding jacket.

[0072] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A clamping chuck according to the present invention and a winding device equipped with the clamping chuck according to the present invention will be described in detail below based on several embodiments with reference to the accompanying drawings. [Brief explanation of the drawings]

[0073] [Figure 1] 1 is a side view showing a winding device equipped with a clamping chuck according to the present invention; [Figure 2] 2 is a front view of the winding device shown in FIG. 1, which is provided with an embodiment of a clamping chuck drive device according to the present invention. FIG. [Figure 3] 1 is a vertical cross-sectional view showing a clamping chuck according to the present invention. [Figure 4]1 is a partial cross-sectional view of a clamping chuck according to the present invention at a first bearing location. [Figure 5] 4 is a detailed view of a second bearing portion of the clamping chuck according to the present invention shown in FIG. 3. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0074] 2 and 3 show a side view and a front view, respectively, of a winding device 100 equipped with a clamping chuck 1 according to the present invention. As can be seen from both figures, the winding device 100, in the illustrated embodiment, has a winding spindle support 2, on which two clamping chucks 1 are drivably and rotatably mounted.

[0075] The winding spindle support 2 is connected to a winding spindle support drive 11 so that the clamping chuck 1 can be rotated by the winding spindle support 2 into the winding position and the doffing position shown in the figure.

[0076] 1, the clamping chuck 1 is positioned adjacent to the pressure roller 9 to take up a yarn 24 from a melt spinning device (not shown). The yarn 24 is then taken up onto a bobbin 7, which is already locked in the clamping chuck 1, to form a winding package 8, as shown in FIG.

[0077] The winding of the yarn 24, for example by traverse winding, is assisted by a pressure roller 9, which is held and guided by a pressure roller support 26 so as to be pressed against the surface of the winding package 8, and by a traverse device 10, so that each yarn 24 is wound at the appropriate position on the winding package 8. The controlled winding of the yarn 24 is performed by using the traverse device 10, which moves each yarn 24 back and forth along the winding width of the winding package 8. To ensure the supply of the yarn 24 to the traverse device 10, a yarn guide 25 is provided upstream in the yarn running direction on the machine frame 4 of the winding device 100.

[0078] The drive device 6 of the clamping chuck 1 is preferably a tensioning means transmission 6, which is shown in a side view in FIG. 1 and in a front view in FIG.

[0079] Each clamping chuck 1 has its own tensioning means transmission 6. The tensioning means transmission 6 has a drive wheel 61 which is connected to a drive motor 64 via a tensioning means 62.

[0080] A tensioning means 62 is arranged on the drive wheel 61 and engages with a ring gear 63 which in turn engages with the rotatable winding periphery 30 of the clamping chuck 1 .

[0081] The torque of the drive motor 64 is transmitted to the ring gear 63 by means of the tensioning means 62, so that the tightening chuck 1 can be rotated to wind up the yarn.

[0082] The clamping chuck 1 is rotatably held on the winding spindle support 2 via a bearing bushing. A tension roller 60, shown in a front view in Figure 2, is provided to control the engagement of a tensioning means 62 with a ring gear 63 of the clamping chuck and a drive wheel 61 of a drive motor 64. The tensioning means 62 can be a belt and / or a chain.

[0083] A longitudinal section of the clamping chuck 1 according to the present invention is shown in Figure 3. As can be seen from Figure 3, the clamping chuck 1 has a tube clamping device 70 on its winding wall 30, which has a clamping piece (not shown) for clamping the tube 7 placed thereon.

[0084] The winding sleeve 30 has a first winding sleeve 31 and a second winding sleeve 32, which are rotatably connected to each other on the support shaft 80 via the second bearing portion 50 and are rotatably supported on the support shaft 80.

[0085] The winding jacket 30 or the first winding jacket sleeve 31 is adjacent to the winding spindle support 2 at a first bearing point 40 and is rotatably connected via the first bearing point 40 to the winding device 100 .

[0086] FIG. 4 shows the first bearing location 40 in detail, and FIG. 5 shows the second bearing location 50 in detail.

[0087] The winding jacket 30 or the corresponding winding jacket sleeve 31 has a first end section 310 and a second end section 311. The first end section 310 can be mounted adjacent to the winding spindle support 2 and has a ring gear 63 which is force-lockingly and / or form-lockingly connected to the winding jacket 30, in particular to the first winding jacket sleeve 31.

[0088] At the second end section 311 , the first winding sleeve 31 is connected force-lockingly and / or form-lockingly to the first end section 320 of the second winding sleeve 32 .

[0089] The second end section 321 of the second winding sleeve 32 is a protruding free end of the winding sleeve 30 or the clamping chuck 1 so that the wound winding package 8 can be doffed or removed from the clamping chuck when the clamping chuck is rotated by the winding spindle support 2 to the doffing position.

[0090] The second bearing point 50 on the support mandrel 80 is retained by a retaining flange 200, which is shown in more detail in FIG.

[0091] The clamping device 70 is operated via a sealing pressure supply line 73 and a relaxation pressure supply line 74, and compressed air for relaxing the clamping device is supplied via the relaxation pressure supply line 74 and discharged via the sealing pressure supply line 73, and vice versa.

[0092] Before the winding package 8 can be doffed, compressed air is supplied to the tube clamping device 70 via a line, in this example a sealed air supply line 73, to relax the tube clamping device 70, so that the tube clamping device 70 is released and the winding package 8 can be pulled out of the tube clamping device 70 or the clamping chuck 1.

[0093] 4 shows a section of the first bearing location 40 together with a support mandrel 80 of the clamping chuck 1 according to the invention. The support mandrel 80 has an assembly section 82 which is mounted on the winding device 100 or the winding spindle support 2 so that it cannot rotate relative to it.

[0094] To rotate the winding jacket 30, a ring gear 63 is provided, which is force- and / or form-lockingly connected to the winding jacket 30 and to the corresponding first bearing point 40 and is drivingly connected to a drive 64 via a tensioning means 62.

[0095] The ring gear 63 is driven by a tensioning means 62, preferably a positively locking chain and / or a force-locking belt with arrow-shaped teeth.

[0096] The first bearing portion 40 has a first bearing 91 and a second bearing 93, and the first bearing 91 and the second bearing 93 are preloaded in a face-to-face arrangement. In addition, a damping means 95 is provided inside the first bearing 91 and the second bearing 93. The support mandrel 80 has a receiving portion 94, and the damping means 95 is received in the receiving portion 94, preferably in the form of a rubber bearing.

[0097] In the illustrated embodiment, there are provided spaced-apart grooves 94 and annular damping means 95 arranged in these recesses 94. At the first bearing point 40, the winding jacket 30 or the first winding jacket sleeve 31 is rotatably supported on the support mandrel 80.

[0098] Compressed air supplied via a relaxation pressure supply passage 73 is sealed via a clamp sleeve 72 that applies a preload to a corresponding seal ring 71 .

[0099] 5 shows in detail in a cross-section the second bearing point 50, at which the winding jacket 30 or the first winding jacket sleeve 31 and the second winding jacket sleeve 32 are additionally supported for rotation on a support mandrel 80.

[0100] Furthermore, the first winding sleeve 31 is connected thereto with the second winding sleeve 32 so that they cannot rotate relative to one another.

[0101] The second bearing portion 50 is formed similarly to the first bearing portion 40. The second bearing portion 50 also has a first bearing 91 and a second bearing 93, which are clamped together in a back-to-back configuration.

[0102] Furthermore, at the second bearing location 50, the first bearing 91 and the second bearing 93 are similarly arranged on the support shaft 80 via a damping means 95, so that bending vibrations can be absorbed by the damping means 95.

[0103] The embodiment of the clamping chuck 1 shown in the drawing may also have other embodiments. For example, the drive device 6 may have an internal drive shaft. In such a case, the internal drive shaft is connected to the winding jacket 30 by means of a shaft (not shown) at the second bearing point 50 via a suitable flange, so that the winding jacket 30 can be rotated.

[0104] 5, a flange 200 is provided, which locks the bearings 91, 93 by means of a retaining bolt 201. The retaining bolt 201 is attached to a threaded section 203 in a through passage 204.

[0105] In another embodiment, the shaft of the shaft drive may extend towards flange 200, in which case an additional rotating flange engages the second winding sleeve. [Explanation of symbols]

[0106] 1 Fastening chuck 100 Winding device 2. Winding spindle support 4 Machine Frame 6. Driving device, traction means transmission device 60 Tension roller 61 Drive Wheel 62 Tension means (form-locking chains, force-locking friction bodies) 63 Ring gear 64 Drive motor 7 Winding pipe 8 Winding Package 9 Pressing roller 10 Traverse device 11 Winding spindle support drive device 24 Thread 25 Thread guide 26 Pressing roller support 30 Winding wall 31 First winding peripheral sleeve 32 Second winding peripheral sleeve 40 First bearing location 50 Second bearing location 70 Winding pipe clamping device 71 Seal ring 72 Clamp sleeve 73 Sealing pressure supply path 74 Relaxation pressure supply path 80 Support mandrel 82 Assembly classification 91 First bearing 92 Damping Device 93 Second bearing 94 Storage unit 95 Damping means 100 Winding device 200 Retaining flange 201 Retaining bolt 203 Thread division 204 Passageway 310 First End Section 311 Second End Section 320 First End Segment 321 Second End Section

Claims

1. A clamping chuck (1) for winding a plurality of yarns (24), the clamping chuck (1) being rotatably mounted on a winding spindle support (2) of a winding device (100), the clamping chuck (1) having a winding peripheral wall (30) protruding from the winding spindle support (2) and provided with a plurality of tube clamping devices (70) for removably fixing a plurality of tubes, each capable of winding the plurality of yarns (24), on a peripheral surface of the winding peripheral wall (30), and a drive device (2) for rotatably driving the winding peripheral wall (30) to wind the yarns, The tension chuck (1) is characterized in that the winding sleeve (30) has a first winding sleeve (31) and a second winding sleeve (32), the first winding sleeve (31) and the second winding sleeve (32) being connected to each other at end sections (311, 321) facing each other in the longitudinal direction of the winding sleeve (30) and being rotatably supported on a support shaft (80) of the tension chuck (1).

2. 2. The tension chuck (1) according to claim 1, characterized in that the first winding sleeve (31) and the second winding sleeve (32) are rotatably supported on the support mandrel (80) at two spaced apart first and second bearing locations (40, 50).

3. 3. The tension chuck (1) according to claim 1, wherein the first winding sleeve (31) has the first bearing point (40) on the winding sleeve support (2), at which the first winding sleeve (31) is rotatably supported on the support shaft (80), the support shaft (80) extending from the winding spindle support (2).

4. 4. The clamping chuck (1) according to claim 1, wherein the first winding sleeve (31) has a second bearing point (50) at the connection point with the second winding sleeve (32), the second bearing point (50) being positioned in the area of ​​the center of gravity of the clamping chuck (1).

5. 5. The tension chuck (1) according to claim 1, wherein the winding sleeve (30) is connected to the drive device (6) at one end section (310) positioned adjacent to the spindle support (2) or at an end section (311, 321) positioned opposite the spindle support (2).

6. 6. The tension chuck (1) according to claim 1, wherein the first winding sleeve (31) is drivingly connected to the drive (6) at one end section (310, 311) and rotatably connected to the second winding sleeve (32) at another end section (311, 310) opposite the end section connected to the drive (6), the second winding sleeve (32) extending from the protruding end section (311, 310) of the first winding sleeve (31) in the longitudinal direction of the tension chuck (1), and the second winding sleeve (32) is forcefully connected to the first winding sleeve (31).

7. 7. The tension chuck (1) according to claim 1, wherein the first bearing location (40) and / or the second bearing location (50) comprises a bearing (91, 93) and a damping device (92), the damping device (92) being arranged between the bearing (91, 93) and the support mandrel (80), whereby the first winding sleeve (31) and the second winding sleeve (32) are supported rotatably and damped about the support mandrel (80).

8. 8. The clamping chuck (1) according to claim 1, wherein the first bearing location (40) and / or the second bearing location (50) each have two bearings (91, 93), the two bearings (91, 93) being abutted against each other, and the two bearings (91, 93) are preloaded.

9. The clamping chuck (1) according to at least one of claims 1 to 8, characterized in that the bearings (91, 93) of the first bearing location (40) and / or the bearings (91, 93) of the second bearing location (50) are abutted against each other in a face-to-face or back-to-back arrangement.

10. 10. The clamping chuck (1) according to at least one of claims 1 to 9, characterized in that the damping device (92) comprises at least one groove-shaped receiving portion (94) provided in the support mandrel (80) and an elastic damping means (95), in particular a rubber damping body.

11. A winding device (100) for winding a plurality of threads (24) using a clamping chuck (1) according to at least one of claims 1 to 10, wherein the drive device (6) of the clamping chuck (1) acts at the first bearing point (40) and / or the second bearing point (50).

12. 12. Winding device (100) according to claim 11, characterized in that the drive (6) of the clamping chuck comprises a tension means transmission and / or an internal drive shaft.

13. 13. The winding device (100) according to claim 11 or 12, characterized in that the tensioning means transmission (6) comprises a tension roller (60) for tensioning the tensioning means (62) and a ring gear (63) engaged with the tensioning means (62), the tensioning means (62) comprising a toothed belt, in particular with arrow-shaped teeth.

14. 14. The winding device (100) according to claim 13, characterized in that the ring gear (63) is positioned in the first bearing location (40) of the first winding sleeve (31) of the winding jacket (30), whereby the drive device (6) of the tension means transmission device can drive the ring gear (63) together with the winding jacket (30).

15. 15. The winding device (100) according to claim 14, characterized in that the internal drive shaft of the drive device (6) is connected to the winding casing (30) at the second bearing point (50), whereby the internal drive shaft is able to rotate the winding casing.