Chuck for winding plurality of yarns

Abstract

The invention relates to a chuck (1) for winding a plurality of threads (24), the chuck being rotatably mounted on a bobbin winding spindle carrier (2) of a winding device (100), the chuck (1) comprising a bobbin sleeve (30) projecting from the bobbin winding spindle carrier (2), the bobbin sleeve being provided at its circumference with a bobbin clamping device (70) for releasably fixing a plurality of sleeves, the plurality of yarns (24) can be respectively wound on the plurality of bobbins, and a drive device (2) for rotatably driving the bobbin sleeve (30) for winding the yarns. The bobbin sleeve (30) comprises a first bobbin sleeve sleeve (31) and a second bobbin sleeve sleeve which are coupled to each other at opposite ends in the longitudinal direction of the bobbin sleeve (30) and are rotatably mounted on a support spindle (80) of the chuck (1).

Description

[0001] The present invention relates to a chuck for winding a plurality of yarns, which is rotatably mounted on a bobbin winding main shaft bracket of a winding device, the winding device being defined by the preamble of claim 1, and the present invention also relates to a related winding device having such a chuck.

[0002] For example, a general winding device is known from DE 10 2022 116 443 B3, which describes and claims an external drive device in the form of a traction mechanism drive device for such a chuck.

[0003] In the winding machines known from the prior art, a plurality of yarns are wound into bobbins simultaneously and parallel to each other.

[0004] For this purpose, the winding device includes a projecting chuck around the circumference of which a plurality of bobbins for receiving the yarns wound by the winding device are locked. The chuck is pivotally mounted on the circumference of a support spindle. The support spindle is fixedly connected to the bobbin winding main shaft bracket, which usually provides a second support spindle for receiving another second chuck. Therefore, the support spindles are arranged offset from each other by 180° on the bobbin winding main shaft bracket. The bobbin winding main shaft bracket is mounted to be pivotable in the frame of the winding device, so that the yarns can be wound or warped on the chuck in an alternating manner substantially continuously.

[0005] In each case, one chuck is moved to the winding position while the other chuck is in the doffing position, so that a new bobbin can be loaded when the bobbin has been wound into a complete package by the yarn.

[0006] The chuck can be driven by a traction mechanism drive device, in particular a toothed belt drive device, which is guided by a toothed ring around the circumference of the chuck and driven by a drive device.

[0007] In other winding devices, the chuck is driven by an internal drive shaft which extends longitudinally along the chuck, so that the internal drive shaft can rotate the bobbin sleeve accordingly.

[0008] However, in the case of a very long chuck, the problem may arise that, as the weight of the package increases during the winding process, due to the bending load, the chuck undergoes an unacceptable excessive deformation.

[0009] This may be a disadvantage especially in the case of an axially driven chuck, because the degree of deformation of the internal drive shaft is different from that of the bobbin sleeve of the chuck.

[0010] Such a load may especially cause excessive wear of the corresponding drive device, especially in the case of a chuck extending longitudinally to accommodate an additional package.

[0011] Accordingly, the object of the present invention is to improve the chuck in such a way that even if the chuck is designed to protrude significantly in length, it can safely withstand bending loads.

[0012] According to the present invention, this object is achieved by a chuck having the features according to claim 1.

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

[0014] Another object of the present invention is to provide a winding device that can be equipped with a chuck designed to protrude significantly in length and can be operated safely therewith.

[0015] According to the present invention, this object is achieved by a winding device having the features according to claim 11.

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

[0017] According to one aspect of the present invention, there is provided a chuck for winding a plurality of yarns, which is rotatably mounted on a bobbin winding main shaft bracket of a winding device, wherein the chuck includes a bobbin sleeve protruding from the main shaft bracket, the bobbin sleeve includes bobbin clamping means for releasably fixing a plurality of bobbins around its circumference, the plurality of yarns can be respectively fixed on the plurality of bobbins, and driving means for rotatably driving the bobbin sleeve for winding the yarns. The bobbin sleeve includes a first bobbin sleeve and a second bobbin sleeve, which are connected to each other at opposite ends in the longitudinal direction of the bobbin sleeve and are rotatably mounted on a support spindle of the chuck.

[0018] With the chuck according to the present invention, it is particularly possible to form particularly long chucks that are rotatably fixed to the bobbin winding main shaft bracket only on one side and have a free protruding end.

[0019] A plurality of bobbins can be fixed to the chuck by the clamping means. The clamping means is designed, for example, to be pneumatically releasable, so that the preloaded clamping members are positioned on the bobbins to be fixed under preloading.

[0020] By pneumatically releasing the clamping fixing members, the bobbins or the yarns wound on the bobbins can be removed from the chuck.

[0021] Since the bobbins with wound yarns cause a greater load on the chuck, the chuck is provided with a bobbin sleeve, which is composed of two bobbin sleeves.

[0022] The two bobbin sleeves are rotatably mounted on each other by a load-transmitting support spindle.

[0023] This allows for greater sinking of the chuck as the load increases. According to the prior art, the drive means of the bobbin sleeve is particularly arranged inside the chuck up to the end of the chuck, which end can also include a protruding end.

[0024] Consequently, an excessive load on the chuck can have a negative impact on the internal drive shaft. The solution is a bobbin sleeve that includes a plurality of bobbin sleeves rotatably mounted on a support mandrel.

[0025] The support mandrel is a load-bearing element of the chuck and is rotatably fixed to the bobbin winding spindle carriage. The bobbin winding spindle carriage can for example be a turret mandrel, which is pivotally positioned on the winding device with at least two bobbin winding spindle carriages.

[0026] This enables the winding and unwinding of the synthetic yarn on the bobbin fixed to the chuck alternately. In this regard, unwinding should be understood as removing the sleeve from the chuck.

[0027] According to one configuration of the chuck, the first bobbin sleeve and the second bobbin sleeve are rotatably mounted on the support mandrel at two spaced-apart first and second support points.

[0028] In this regard, the support points should be understood as the support positions of the bobbin sleeve on the support mandrel, which support positions allow the bobbin sleeve to rotate on the support mandrel.

[0029] The bobbin sleeve can advantageously be rotated by a separate drive means that either acts on the bobbin sleeve circumferentially or acts on the bobbin sleeve through a shaft inside the support mandrel, so as to be able to rotate the bobbin sleeve.

[0030] The support points can for example include ball bearings and / or rolling bearings, which are advantageously mounted on the support mandrel in a damped manner such that the corresponding flexure caused by the load is not directly transmitted to the support mandrel, but is buffered and / or alleviated accordingly by the damping. The function of the damping is to reduce the vibration amplitude when passing through the resonance zone.

[0031] The bobbin sleeve of the chuck according to the invention includes two separate bobbin sleeves connected to each other, wherein the first and second bobbin sleeves are rotatably mounted on the support mandrel at two spaced-apart first and second support points.

[0032] This allows the load to be transferred from the bobbin sleeve to the support mandrel through the support points, thereby enabling a chuck that protrudes significantly in length to be achieved.

[0033] According to another configuration of the chuck, the first bobbin sleeve includes a first support point on the bobbin bracket, at which the first bobbin sleeve is rotatably mounted on the support mandrel, and the support mandrel extends from the bobbin winding spindle bracket.

[0034] This more precisely defines the position of the first support point relative to the support mandrel and the bobbin sleeve.

[0035] As position information, this more precisely defines the position of the support mandrel relative to its attachment position on the bobbin winding spindle bracket.

[0036] Advantageously, the first support point is also provided at the point on the bobbin winding spindle bracket where the load transfer of the chuck occurs.

[0037] According to another configuration of the chuck, the first bobbin sleeve includes a second support point at the connection point with the second bobbin sleeve, wherein the second support point is located in the center of gravity region of the chuck.

[0038] Since the chuck has a bobbin sleeve including two bobbin sleeves extending away from each other, there is a second support point at the connection point between the first and second bobbin sleeves.

[0039] This allows for a particularly advantageous load transfer from the chuck. The support mandrel does not have to extend through the entire length of the bobbin sleeve, but can be fixed at an advantageous position of the bobbin sleeve.

[0040] The advantageous position of the second support point is the center of gravity of the chuck. This center of gravity region is defined as being located at the connection point between the first and second bobbin sleeves.

[0041] The connection point allows the first and second clamping sleeves to rotate together and synchronously, and also allows the load to be transferred towards the support mandrel at the second support point.

[0042] According to a preferred configuration of the chuck, the bobbin sleeve is coupled to the drive device at an end adjacent to the bobbin winding spindle bracket, or at an end opposite to the bobbin winding spindle bracket.

[0043] The drive device of the chuck can act on different positions of the bobbin sleeve. On the one hand, the drive device can be located adjacent to the spindle bracket together with the bobbin sleeve, such that the drive device also directly acts on the bobbin sleeve at this point.

[0044] However, in another configuration, the drive device can also be coupled to the drive device at a position spaced apart from the spindle bracket, i.e., at the opposite end of the bobbin sleeve.

[0045] The opposite ends of the bobbin sleeve, in particular the free protruding ends.

[0046] In this configuration, the driving force of the driving device is introduced through a shaft which, for example, partly passes through the chuck up to the coupling end of a second clamping sleeve which abuts against the end of the first bobbin sleeve sleeve.

[0047] According to another configuration of the chuck, the first bobbin sleeve sleeve is drivably coupled to the driving device at one end and rotatably coupled to the second bobbin sleeve sleeve at the other end opposite the end coupled to the driving device, the second bobbin sleeve sleeve extending along the longitudinal direction of the chuck from the protruding end of the first bobbin sleeve sleeve, wherein the second bobbin sleeve sleeve is connected to the first bobbin sleeve sleeve in a force-fitting manner.

[0048] At the second support point, the first bobbin sleeve sleeve is also rotatably coupled to the second bobbin sleeve sleeve such that the torque applied by the driving device can be transmitted from the first bobbin sleeve sleeve to the second bobbin sleeve sleeve without any loss occurring here.

[0049] Preferably, the first and second bobbin sleeve sleeves are connected to each other in a force-fitting manner at opposite ends such that the first and second bobbin sleeve sleeves together form the bobbin sleeve.

[0050] According to another configuration of the chuck, the first support point and / or the second support point includes a support member and a damping device provided between the support member and the support mandrel such that the first bobbin sleeve sleeve and the second bobbin sleeve sleeve are rotatably mounted around the support mandrel in a damped manner.

[0051] In order to optimize and improve the transmission of the occurring loading forces to the support mandrel, the support points are preferably damped. Therefore, suitable damping members can be provided for the damping.

[0052] In one configuration, the damping member can be, for example, a rubber support member arrangement.

[0053] According to a preferred configuration of the chuck, the first support point and / or the second support point each includes two support members which are adjusted and preloaded relative to each other.

[0054] In a preferred configuration, the support points by means of which the bobbin sleeve or the bobbin sleeve sleeves are rotatably mounted on the support mandrel are each formed with two support members whose action is such that they are preloaded and adjusted relative to each other in their action direction.

[0055] The adjustment and preloading enable a corresponding X-arrangement or O-arrangement to be produced, with the result that the support points have corresponding characteristics.

[0056] According to a preferred configuration of the chuck, the support of the first support point and / or the support of the second support point are adjusted to form an X arrangement or an O arrangement.

[0057] The adjustment of the bearing arrangement is understood as a defined preload of two bearings (usually two angular contact ball bearings or tapered roller bearings, arranged in a mirror-symmetrical manner) relative to each other. The name derives from the position of the pressure line through the rolling bearing: when the pressure center point is between the bearing points, this is called an X arrangement; when it is outside the bearing points, this is called an O arrangement. In an O arrangement, the bearing arrangement can absorb larger overturning moments than in an X arrangement, because the distance between the pressure center points is greater in an O arrangement.

[0058] At the second bearing point (the coupling point between the first clamping sleeve and the second clamping sleeve) an O arrangement is selected, while at the bearing point of the first bobbin winding mandrel sleeve on the spindle carrier an X arrangement is provided for the respective bearings. According to a further configuration of the chuck, the damping device comprises at least one groove-shaped housing in the bearing mandrel and an elastic damping element, in particular a rubber damping element.

[0059] In order to better damp the vibrations caused by the rotation of the bobbin sleeve, the support is also elastically damped at a suitable position. The damping element can be arranged in a corresponding groove seat. According to a preferred configuration, the groove seat is in the shape of a groove extending around the circumference of the support mandrel and formed therein.

[0060] According to another aspect, a winding device for winding a plurality of yarns by means of a chuck according to at least one of the aforementioned configurations is provided, wherein the drive means of the chuck acts on the first support point and / or the second support point. Depending on whether the drive means acts on the first support point and / or the second support point, the advantages are different.

[0061] The advantage of the drive means acting on the first bearing point is that a shaft which passes through the entire chuck and which might be obstructed by the sleeve due to excessive deflection of the sleeve is not required to drive the chuck.

[0062] The drive device acting on the second bearing point enables the use of a shortened shaft which only partially penetrates the chuck at least to the second bearing point.

[0063] Compared to a shaft that runs through the entire chuck, the shortened shaft can compensate for the greater deflection of the surrounding barrel sleeve without restriction.

[0064] According to another configuration of the winding device, the drive of the chuck comprises a traction mechanism drive and / or an internal drive shaft. If the drive acts on the first bearing point, the drive is preferably a traction mechanism drive. If the drive acts on the second bearing point, the drive is preferably an internal drive shaft.

[0065] According to another configuration of the winding device, the traction mechanism drive includes a tensioning roller for tensioning the traction mechanism and a toothed ring meshing with the traction mechanism, wherein the traction mechanism particularly includes a toothed belt having arrow-shaped teeth.

[0066] By means of the traction mechanism drive, it is advantageously possible to provide a shaftless drive for the mandrel supported on the bobbin carrier. Thus, it is advantageously possible to provide a drive device whose function is not affected by the bending load on the chuck.

[0067] The traction mechanism is preferably a toothed belt having arrow-shaped teeth; the arrow-shaped teeth have advantages in terms of the installation and positioning security of the toothed belt in the toothed ring with corresponding tooth profiles, such that the toothed belt is not driven out of the toothed ring even when the chuck is loaded.

[0068] According to another configuration of the winding device, the toothed ring is located at the first support point of the first bobbin sleeve of the bobbin sleeve, such that the drive of the traction mechanism drive can drive the toothed ring together with the bobbin sleeve. The toothed ring meshes with the bobbin sleeve such that it can rotate the bobbin sleeve through the drive, and thus it is also possible to wind and wind the yarn by means of the bobbin and the bobbin sleeve.

[0069] According to another configuration of the winding device, the internal drive shaft of the drive device is coupled to the bobbin sleeve at the second support point such that the internal drive shaft can rotate the bobbin sleeve. It is also possible to use the internal drive shaft instead of the traction mechanism drive. The internal drive shaft has a shaft that at least partially passes through the bobbin sleeve towards the second support point, where the shaft meshes with and is coupled to the bobbin sleeve such that the torque of the drive device can be transmitted to the bobbin sleeve.

[0070] The chuck according to the invention and a winding device having a chuck according to the invention will be explained in more detail below with reference to the drawings based on several exemplary embodiments.

[0071] In the drawings:

[0072] Figure 1 A side view of a winding device having a chuck according to the invention is shown,

[0073] Figure 2 showing from Figure 1 a front view of the winding device, in which an exemplary embodiment of a chuck drive according to the invention is shown,

[0074] Figure 3 A longitudinal sectional view of a chuck according to the invention is shown,

[0075] Figure 4 shows a partial cross-sectional view of the chuck according to the present invention at the first support point, and

[0076] Figure 5 shows Figure 3 a detailed view of the second support point of the chuck according to the present invention from

[0077] Figure 2 and Figure 3 show a side view and a front view of the winding device 100 having the chuck 1 according to the present invention, respectively. It can be seen therefrom that in the illustrated embodiment, the winding device 100 includes a bobbin winding main shaft bracket 2, to which two chucks 1 are drivably and rotatably fixed.

[0078] The bobbin winding main shaft bracket 2 is coupled to a bobbin winding main shaft bracket drive device 11 such that the chuck 1 can be pivoted by means of the bobbin winding main shaft bracket 2 to the respectively shown creeling position and doffing position.

[0079] In Figure 1 , the upper chuck 1 adjacent to the pressure roller 9 is positioned for winding the yarn 24 from a melt spinning device (not shown). As shown here, the yarn 24 has been creeled onto a bobbin 7 locked onto the chuck 1 to form a package 8.

[0080] The creeling of the yarn 24, for example by cross winding, is assisted by the pressure roller 9, which is held and guided against the surface of the package 8 by means of a pressure roller bracket 26, and by the traversing device 10 such that the individual yarns 24 are creeled at appropriate positions on the package 8. The controlled placement of the yarn 24 is effected by the traversing device 10, which moves the individual yarns 24 back and forth along the width of the package 8. In order to safely supply the yarn 24 to the traversing device 10, a yarn guide 25 is provided on the frame 4 of the winding device 100 upstream in the yarn travel direction.

[0081] The drive device 6 of the chuck 1 is preferably a traction mechanism drive device 6, which is shown in a side view in Figure 1 and in a front view in Figure 2 .

[0082] Each chuck 1 has its own traction mechanism drive device 6. The traction mechanism drive device 6 has a drive wheel 61, which is coupled to a drive motor 64 by a traction mechanism 62.

[0083] Arranged on the drive wheel 61 is the traction mechanism 62, which meshes with a toothed ring 63, which in turn meshes with the rotatable bobbin sleeve 30 of the chuck 1.

[0084] By means of a traction mechanism 62, the torque of the drive motor 64 is transmitted to the ring gear 63, so that the chuck 1 can be rotated for winding the cop yarn.

[0085] The chuck 1 is rotatably held in the bobbin winding spindle bracket 2 by means of a bearing bushing. In order to control the engagement of the traction mechanism 62 in the ring gear 63 of the chuck and in the drive wheel 61 of the drive motor 64, a tension roller 60 is provided, which is shown in Figure 2 in a front view. The traction mechanism 62 can be a belt and / or a chain.

[0086] Figure 3 A longitudinal sectional view of the chuck 1 according to the invention is shown. It can be seen therefrom that the chuck 1 has a bobbin clamping device 70 on its bobbin sleeve 30, and the bobbin clamping device 70 includes clamping members (not shown) for fixing the bobbin 7 arranged thereon.

[0087] The bobbin sleeve 30 has a first bobbin sleeve cylinder 31 and a second bobbin sleeve cylinder 32, which are pivotally connected to each other and are rotatably mounted on a support spindle 80 by means of a second support point 50 on the support spindle 80.

[0088] The bobbin sleeve 30 or the first bobbin sleeve cylinder 31 is rotatably connected to the winding device 100 at a first support point 40 adjacent to the bobbin winding spindle bracket 2 at the first support point 40.

[0089] Figure 4 The first support point 40 is shown in detail, Figure 5 The second support point 50 is shown in detail.

[0090] The bobbin sleeve 30 or the relevant bobbin sleeve cylinder 31 includes a first end 310 and a second end 311. The first end 310 can be mounted at a position adjacent to the bobbin winding spindle bracket 2 and includes a ring gear 63 that is connected to the bobbin sleeve 30, in particular the first bobbin sleeve cylinder 31, in a force-fitting and / or form-fitting manner.

[0091] At the second end 311, the first bobbin sleeve cylinder 31 is connected to the second bobbin sleeve cylinder 32 in a force-fitting and / or form-fitting manner at its first end 320.

[0092] The second end 321 of the second bobbin sleeve cylinder 32 is the protruding free end of the bobbin sleeve 30 or the chuck 1. Therefore, if the chuck has been rotated to the doffing position by means of the bobbin winding spindle bracket 2, the wound package 8 can be dropped or removed from the chuck.

[0093] The second support point 50 on the support spindle 80 is held by means of a fixed flange 200. This is shown in detail in Figure 5 ​

[0094] The clamping device 70 is operated by a sealing pressure supply device 73 and a releasing pressure supply device 74, wherein compressed air is supplied through the releasing pressure supply device 73 and discharged through the sealing pressure supply device 74 to release the clamping device, and vice versa.

[0095] Before the package 8 can be doffed, compressed air is supplied to the bobbin clamping device 70 through a compressed air line, in this case the sealing air supply device 73, which releases the fixation of the bobbin clamping device 70, so that the package 8 can be removed from the bobbin clamping device 70 or the chuck 1, thus releasing the clamping device 70.

[0096] Figure 4 A partial cross-sectional view of the first support point 40 of the chuck 1 according to the present invention together with the support spindle 80 is shown. The support spindle 80 includes a mounting portion 82 which is rotationally fixed in the winding device 100 or in the bobbin winding main spindle bracket 2.

[0097] A toothed ring 63 for rotating the bobbin sleeve 30 is provided, which is connected to the bobbin sleeve 30 and the associated first support point 40 in a force-fitting and / or form-fitting manner and is drivably connected to a drive device 64 through a traction mechanism 62.

[0098] The toothed ring 63 is driven by means of a traction mechanism 62, preferably a form-fitting chain and / or a force-fitting belt, which has arrow-shaped teeth.

[0099] The first support point 40 has a first support member 91 and a second support member 93 which are preloaded in an X arrangement. In addition, damping members 95 are provided below the first support member 91 and the second support member 93. The support spindle 80 has a groove seat 94 in which the damping members 95, preferably in the form of rubber support members, are received.

[0100] In the illustrated embodiment, a groove seat 94 including spaced-apart grooved slots and annular damping members 95 arranged therein is provided. At the first support point 40, the bobbin sleeve 30 or the first bobbin sleeve socket 31 is rotatably mounted on the support spindle 80.

[0101] The supply of compressed air through the releasing pressure supply device 73 is stopped by a clamping sleeve 72 which is preloaded on the associated sealing ring 71.

[0102] Figure 5 The second support point 50 is shown in a detailed cross-sectional view. At the second support point, the bobbin sleeve 30 or the first bobbin sleeve socket 31 and the second bobbin sleeve socket 32 are additionally pivotally mounted on the support spindle 80.

[0103] In addition, the first bobbin sleeve socket 31 is rotationally fixed to the second bobbin sleeve socket 32 there.

[0104] The second support point 50 has a similar form to the first support point 40. The second support point 50 also has a first support member 91 and a second support member 93, wherein the first support member 91 and the second support member 93 are supported by each other in an O arrangement.

[0105] Furthermore, at the second support point 50, the first support member 91 and the second support member 93 are also arranged on the support mandrel 80 via a damping member 95, such that bending vibrations can be absorbed by means of the damping member 95.

[0106] The exemplary embodiment of the chuck 1 shown in the drawings may also have other embodiments. For example, the drive device 6 may include an internal drive shaft. In this case, the internal drive shaft is connected to the bobbin sleeve 30 at the second support point 50 via a suitable flange by means of a shaft (not shown), such that the bobbin sleeve can be rotated.

[0107] In Figure 5 the embodiment shown, a flange 200 is provided, which locks the support members 91, 93 in place by means of fixing bolts. The fixing bolts 201 are installed in a through-channel 204 having a threaded portion 203.

[0108] In another embodiment, the shaft of the shaft drive device may extend to the flange 200, wherein an additional rotary flange engages with the second bobbin sleeve socket.

[0109] List of reference numerals

[0110] 1 Chuck

[0111] 100 Winding device

[0112] 2 Bobbin winding main shaft bracket

[0113] 4 Frame

[0114] 6 Drive device, traction mechanism drive device

[0115] 60 Tensioning roller

[0116] 61 Driving wheel

[0117] 62 Traction mechanism (form-fitting - chain; force-fitting - friction)

[0118] 63 Ring gear

[0119] 64 Drive motor

[0120] 7 Bobbin

[0121] 8 Package

[0122] 9 Pressure roller

[0123] 10 Traversing device

[0124] 11 Bobbin winding main shaft bracket drive device

[0125] 24 Yarn

[0126] 25 Yarn guide

[0127] 26 Pressure roller bracket

[0128] 30 Bobbin sleeve

[0129] 31 First bobbin sleeve socket

[0130] 32 Second bobbin sleeve socket

[0131] 40 First support point

[0132] 50 Second support point

[0133] 70 Bobbin clamping device

[0134] 71 Sealing ring

[0135] 72 Clamping sleeve

[0136] 73 Sealing pressure supply device

[0137] 74 Release pressure supply device

[0138] 80 Support mandrel

[0139] 82 Mounting part

[0140] 91 First support member

[0141] 92 Damping device

[0142] 93 Second support member

[0143] 94 Groove seat

[0144] 95 Damping member

[0145] 100 Winding equipment

[0146] 200 Fixed flange

[0147] 201 Fixed bolt

[0148] 203 Threaded part

[0149] 204 Through channel

[0150] 310 First end

[0151] 311 Second end

[0152] 320 First end

[0153] 321 Second End

Claims

1. A chuck (1) for winding a plurality of yarns (24), the chuck being rotatably mounted on a bobbin winding main shaft bracket (2) of a winding device (100), wherein, The chuck (1) includes a bobbin sleeve (30) and a drive device (2). The bobbin sleeve projects from the bobbin winding spindle bracket (2) and is provided with bobbin clamping devices (70) for releasably fixing a plurality of bobbins around its circumference. A plurality of yarns (24) can be respectively wound onto the plurality of bobbins. The drive device (2) rotatably drives the bobbin sleeve (30) for winding the yarns. It is characterized in that the bobbin sleeve (30) includes a first bobbin sleeve (31) and a second bobbin sleeve (32). The first bobbin sleeve (31) and the second bobbin sleeve (32) are connected to each other at opposite ends (311, 321) in the longitudinal direction of the bobbin sleeve (30), and are rotatably mounted on a support spindle (80) of the chuck (1).

2. The chuck (1) according to claim 1, characterized in that, The first bobbin sleeve (31) and the second bobbin sleeve (32) are rotatably mounted on the support spindle (80) at two spaced-apart support points, namely a first support point (40) and a second support point (50).

3. The chuck (1) according to at least one of claims 1 and 2, characterized in that, The first bobbin sleeve (31) includes a first support point (40) on the bobbin sleeve bracket (2). At the first support point, the first bobbin sleeve (31) is rotatably mounted on the support spindle (80), and the support spindle (80) extends from the bobbin winding spindle bracket (2).

4. The chuck (1) according to at least one of the preceding claims, characterized in that The first bobbin sleeve (31) includes a second support point (50) at the connection point with the second bobbin sleeve (32), wherein the second support point (50) is located in the center of gravity area of the chuck (1).

5. The chuck (1) according to at least one of the preceding claims, characterized in that, The bobbin sleeve (30) is connected to the drive device (6) at an end (310) adjacent to the spindle bracket (2), or at opposite ends (311, 321) relative to the spindle bracket (2).

6. The chuck (1) according to at least one of the preceding claims, characterized in that The first bobbin sleeve (31) is drivably connected to the drive device (6) at one end (310, 311), and is rotatably connected to the second bobbin sleeve (32) at the other end opposite to the end connected to the drive device (6). The second bobbin sleeve extends along the longitudinal direction of the chuck (1) from the protruding end (311, 310) of the first bobbin sleeve (31), wherein the second bobbin sleeve (32) is connected to the first bobbin sleeve (31) by force fit.

7. The chuck (1) according to at least one of the preceding claims, characterized in that, The first support point (40) and / or the second support point (50) includes a support member (91, 93) and a damping device (92) provided between the support member (91, 93) and the support spindle (80), such that the first bobbin sleeve (31) and the second bobbin sleeve (32) are mounted to be able to rotate around the support spindle (80) in a damped manner.

8. The chuck (1) according to at least one of the preceding claims, characterized in that, The first support point (40) and / or the second support point (50) each include two support members (91, 93) that are adjusted and preloaded relative to each other.

9. The chuck (1) according to at least one of the preceding claims, characterized in that, The support members (91, 93) of the first support point (40) and / or the support members (91, 93) of the second support point (50) are adjusted to form an X arrangement or an O arrangement.

10. The chuck (1) according to at least one of the preceding claims, characterized in that, The damping device (92) includes at least one grooved seat (94) in the support spindle (80) and an elastic damping member (95), in particular a rubber damping element.

11. A winding device (100) for winding a plurality of yarns (24) by means of a chuck (1) as described in at least one of the preceding claims, wherein, The drive device (6) of the chuck (1) acts at the first support point (40) and / or the second support point (50).

12. The winding device (100) according to claim 11, characterized in that, The drive device (6) of the chuck includes a traction mechanism drive device and / or an internal drive shaft.

13. The winding device (100) according to at least one of claims 11 and 12, characterized in that, The traction mechanism drive device (6) includes a tensioning roller (60) for tensioning the traction mechanism (62) and a toothed ring (63) that meshes with the traction mechanism (62), wherein the traction mechanism (62) particularly includes a toothed belt having arrow-shaped teeth.

14. The winding device (100) according to claim 13, characterized in that, The toothed ring (63) is located at the first support point (40) of the first bobbin sleeve (31) of the bobbin sleeve (30), such that the drive device (6) of the traction mechanism drive device can drive the toothed ring (63) together with the bobbin sleeve (30).

15. The winding device (100) according to claim 14, characterized in that, The internal drive shaft of the drive device (6) is coupled to the bobbin sleeve (30) at the second support point (50), such that the internal drive shaft can rotate the bobbin sleeve.

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