A device for winding objects that extend longitudinally, such as lines or cables.

Abstract

The apparatus for winding a longitudinally extending object (1) comprises a drum (2) having a circumferentially extending support surface (3) for supporting the object (1) to be wound and a raised portion (4) in a side or lateral area of ​​the support surface extending radially away from the axis of rotation of the drum (2). A device (6) for preventing the windings of the object (1) from building up is provided, which comprises a shaft (9) having an external thread (10), which extends transversely over the support surface (3) at a small distance from the raised portion (4) via a narrow gap and which is mounted on a component (12) arranged laterally of the drum (2).

Description

Technical Field

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[0001] The present invention relates to a device for winding an object extending in a longitudinal direction such as a line or a cable. The device has a drum that is rotatable in a rotational direction around a rotation axis, a support surface that extends over the circumference of the drum for supporting the object to be wound, and a raised portion that extends in a direction radially away from the rotation axis of the drum in a side surface or a side region of the support surface and laterally defines a receiving space disposed between the raised portions for the object to be wound. The device includes a device for preventing the winding of the object from accumulating in a narrow region of the transverse range of the support surface.

Background Art

[0002] A supply region for the object to be wound is associated with the drum, and in the supply region, the object is supplied to the drum, particularly in a tangential direction or a substantially tangential direction, before it is in a state of being supported on the drum.

[0003] Devices for winding such cables or hoses are known from the prior art. The device for preventing the winding from accumulating has a guide for the cable or hose between two rollers, and the guide is movable in a reciprocating direction by driving over the transverse range of the support surface of the drum around which the cable or hose is wound. This device is arranged in a supply region that occupies a space according to its size.

[0004] Such a device is structurally complex and expensive and occupies a relatively large amount of space outside the drum.

Summary of the Invention

[0005] The object of the present invention is to provide a device for winding an object extending in a longitudinal direction such as a line or a hose of the type described in the preamble of this specification, which has a structurally simple and small device for preventing the winding from accumulating.

[0006] According to the present invention, the problem is solved by the features of claim 1, which stipulates that in the apparatus described in the introductory chapter of this specification, the device for preventing the windings of an object from accumulating has a male screw portion and a shaft that extends transversely on the support surface at a small interval through a narrow gap from a raised portion and is mounted around its axis of rotation in a component located on the side of the drum.

[0007] The apparatus according to the present invention, when an object is wound around the transition section from the supply area to the winding, or is already placed on the winding and resting on the lower winding, and comes into contact with the top of the threads and thread grooves of the shaft placed on top of it, allows a predetermined area of ​​the object to cause the shaft to rotate in a direction opposite to the direction of rotation of the shaft through frictional engagement with the threaded portion. In this situation, the area of ​​the object in contact with the threaded portion of the shaft moves on the winding placed on the lower layer by active locking or frictional engagement with the threaded portion which rotates transversely to the circumferential direction of the support surface. This measure according to the present invention prevents the winding of the winding section from accumulating in a narrow area of ​​the transverse range of the support surface while keeping structural complexity and expenditure low and saving space.

[0008] In a preferred embodiment of the present invention, the shaft is driven only by the region of the object being wound, which is supported by the respective lower windings and contacts the threaded portion from below, which is brought about by the rotation of the drum.

[0009] In a preferred embodiment of the present invention, the shaft is positioned so as to be immovable along its longitudinal axis.

[0010] The shaft is preferably positioned at the drum where the supply area for the object terminates, particularly in the case of tangential or substantially tangential supply at a position where the supply area is tangential to the drum. However, the shaft may be positioned in a region adjacent to that position in the rotational direction of the drum.

[0011] In the case of a vertically positioned drum with a horizontal rotation axis, the shaft is preferably located on the upper region of the drum.

[0012] When using the apparatus according to the present invention, the direction of rotation of the drum as viewed from a given end of the drum may be selected such that the area of ​​the object in contact with the threaded portion of the shaft moves from that end of the drum in that direction toward the opposite end of the drum by positive locking and / or frictional engagement with the threaded portion. In this case, the shaft is positioned such that, when viewed along the direction of rotation of the drum at the position of the shaft, in a horizontal view of the shaft, it has a left-hand threaded portion when the shaft is in contact with the object in its left-hand twist region, and / or a right-hand threaded portion when the shaft is in contact with the object in its right-hand twist region. In this case, the thread crests and thread grooves extend to the left from the left-hand twisted end of the shaft in the left-hand threaded portion, i.e., rotate counterclockwise, and extend to the right in the right-hand threaded portion opposite the right-hand twisted end, i.e., rotate clockwise, both rotating toward the opposite end of the shaft. Each threaded portion may extend over part of the length of the threaded portion or over its entire length.

[0013] It is possible to provide multiple shafts that are distributed around the drum.

[0014] The gap between the threaded portion of the shaft and the lateral ridge of the drum may be small enough that there is no contact between the shaft and the drum, and it can be kept small enough that the object being wound cannot pass through it.

[0015] A shaft extending over the support surface may be positioned parallel to the rotation axis of the drum. However, a shaft extending transversely over the support surface may extend at a predetermined angle of inclination with respect to a plane positioned perpendicular to the rotation axis of the drum, and this angle is less than 45°. The threaded portion or threaded part of the shaft may be in the form of a screw or a worm screw. For example, a sharp screw, a round screw, or a trapezoidal screw can be considered as the threaded portion shape of the present invention. The threaded portion may have one or more threads. A double-thread or multi-thread screw has the advantage that the area of ​​an object in contact with the shaft can move laterally more quickly than when a single-thread screw of the same pitch is used.

[0016] The shaft may have a left-hand threaded portion in its left-hand twisted region and a right-hand threaded portion in its right-hand twisted region when viewed horizontally along the direction of rotation of the drum at the shaft's position, and these portions are adjacent to each other at the connection point.

[0017] In this case, it may be stipulated that the right-hand twisted end of the left-hand threaded portion and the left-hand twisted end of the right-hand threaded portion are directly connected to each other.

[0018] In particular, the left-hand threaded portion and the right-hand threaded portion can be connected to each other in the central region, especially at the center of the shaft.

[0019] The connection between the left-hand threaded portion and the right-hand threaded portion may be such that the two threaded portions are arranged in a mirror image relationship with respect to a mirror plane that extends perpendicularly to the axis of rotation of the shaft at the connection point. In this case, the mirror plane may extend through the thread vertices and grooves of the threads of the adjacent threaded portions.

[0020] In the alternative configuration, the connection may be such that the left-hand and right-hand threaded portions are offset from each other by a given angle, particularly 180°, with respect to a plane extending perpendicular to the axis of rotation of the shaft. In this case, the plane at the connection point may extend through the top of the threads of one threaded portion and the thread grooves of the other threaded portion. With respect to the mirror image arrangement of the threaded portions, for example, an arrangement offset by 180° has the advantage that the windings passing between the two threaded portions of the wound object are less susceptible to jamming than in the case of a mirror-symmetric arrangement.

[0021] The above-described configuration of a shaft having left-hand and right-hand threaded portions is particularly advantageous when the axis of rotation is a vertically positioned drum extending horizontally, or a drum tilted only slightly with respect to the vertical, because in this case, the area of ​​the wound object that contacts the left or right-hand threaded insertion portion can move toward the center of the shaft.

[0022] In an alternative configuration of the present invention, the shaft may have a continuous left-hand threaded portion or a continuous right-hand threaded portion.

[0023] This configuration is particularly advantageous for horizontally positioned drums having a vertically extending axis of rotation, or for drums inclined relative to a horizontal position. In such a drum configuration, the gravitational force of the windings of the wound object acts in conjunction with at least one component in the direction toward each lower end of the drum. To generate a force acting against gravity and preventing the windings of the wound object from accumulating in the region of the receiving space adjacent to the lower end face of the drum, the shaft has a continuous left-hand thread when the lower end of the drum rotates counterclockwise when viewed from below, and a right-hand thread when the lower end of the drum rotates clockwise when viewed from below. This prevents the windings of the wound object from accumulating in the lower region of the receiving space of the drum in a horizontal position.

[0024] In at least one of its end regions, the shaft may be provided with a frustoconical enlarged portion facing its end face, and its maximum diameter is larger than the outer diameter (nominal diameter) of the threaded portion of the shaft. The frustoconical enlarged portion may be disposed laterally of the raised portion on the support surface of the drum for the object to be wound, or may engage within the receiving space for the object wound around the drum.

[0025] In an alternative configuration, the outer diameter (nominal diameter) of the threaded portion of the shaft may increase in a direction toward the end face of the drum adjacent to the end region, at least in one of its end regions.

[0026] The shaft can be in the form of a hollow shaft rotatably mounted on a spindle held on or within a component arranged laterally of the drum.

[0027] According to another embodiment, the shaft may have, at its end, a bearing journal that engages with a bearing mounting portion on or within a component arranged laterally of the drum.

[0028] In a preferred configuration of the present invention, the drum is rotatably mounted in a component arranged laterally of the drum.

[0029] The component arranged laterally of the drum and on which the shaft is rotatably mounted may have a device for adjusting the distance between the axis of rotation of the drum and the axis of rotation of the shaft. By means of that device, the difference in the outer diameter of the drum and the difference in the height of the raised portion that laterally defines the support surface can be compensated.

[0030] Components arranged on the side of the drum may have wall portions that extend parallel to the adjacent end faces of the drum for implementing a shaft. The drum may also be rotatably mounted on or within those wall portions. In particular, the component may have two wall portions that extend parallel to the respective adjacent end faces of the drum for implementing the shaft and / or the drum. An end region of a spindle for implementing a shaft in the form of a hollow shaft may be arranged on or within the wall portion of the component, or a bearing journal arranged at the end of the shaft may be engageable with a bearing mounting portion.

[0031] On at least one side of the support surface, a raised portion arranged on the side of the support surface around which an object is wound around the drum may have a flange that extends radially outward beyond the height from the support surface. In this case, the shaft may extend on the flange and the support surface with a small gap with respect to the flange.

[0032] If, on one or both of its end regions, the shaft has a frustoconical enlarged portion facing each end, the frustoconical enlarged portion may be arranged on the side of the flange on the support surface. In that case, the gap between the enlarged portion and the support surface is less than the height of the flange on the support surface.

[0033] In a preferred embodiment, the flange extending radially outward on at least one side of the support surface is in the form of a flange in the shape of a circular ring that extends over the entire circumference of the drum. On its outer surface facing opposite to the support surface, the flange may form the end region of the drum. The foregoing description explains a corresponding method for winding an object extending in the longitudinal direction having the described features, and the use of an apparatus according to the invention having the described features for winding an object extending in the longitudinal direction, and these are also included in the present invention.

Brief Description of the Drawings

[0035] [Figure 1] FIG. 1 shows a side view of an embodiment in a vertically arranged drum as seen from the end face of the drum. [Figure 2] Figure 2 shows an embodiment viewed from the direction of rotation of the drum at the shaft position and perpendicular to the axis of rotation. [Figure 3] Figure 3 shows a portion of the upper region in Figure 2. [Figure 4] Figure 4 shows a perspective view of the embodiment shown in Figure 1. [Figure 5] Figure 5 shows a portion of Figure 4. [Figure 6] Figure 6 shows a side view of the embodiment shown in Figure 1 when the drum is rotated further by approximately 20°. [Figure 7] Figure 7 shows the embodiment of Figure 2 when the drum is rotated further by approximately 20°. [Figure 8] Figure 8 shows a portion of the upper region of Figure 7. [Figure 9] Figure 9 shows a perspective view of the embodiment when the drum is rotated further by approximately 20°. [Figure 10] Figure 10 shows a portion of Figure 9. [Figure 11] Figure 11 shows a plan view of an embodiment of a drum in a horizontal position, with the upper end face of the drum visible. [Figure 12] Figure 12 shows the embodiment of Figure 11 as viewed in the direction of rotation of the drum at the shaft position and perpendicular to the axis of rotation. [Figure 13] Figure 13 shows a portion of the left-handed twist region in Figure 12. [Figure 14] Figure 14 shows an embodiment in which the diagram in Figure 12 has been rotated by 90°. [Figure 15] Figure 15 shows a perspective view of an embodiment. [Figure 16] Figure 16 shows a portion of Figure 15. [Figure 17] Figure 17 shows a side view of the first embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 18] Figure 18 shows an end view of the shaft shown in Figure 17. [Figure 19] Figure 19 shows a perspective view of the shaft shown in Figure 17. [Figure 20]Figure 20 shows a side view of a second embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 21] Figure 21 shows an end view of the shaft shown in Figure 20. [Figure 22] Figure 22 shows a perspective view of the shaft shown in Figure 20. [Figure 23] Figure 23 shows a side view of a third embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 24] Figure 24 shows an end view of the shaft shown in Figure 23. [Figure 25] Figure 25 shows a perspective view of the shaft shown in Figure 23. [Figure 26] Figure 26 shows a side view of the fourth embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 27] Figure 27 shows an end view of the shaft shown in Figure 26. [Figure 28] Figure 28 shows a perspective view of the shaft shown in Figure 26. [Figure 29] Figure 29 shows a side view of the fifth embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 30] Figure 30 shows an end view of the shaft shown in Figure 29. [Figure 31] Figure 31 shows a perspective view of the shaft shown in Figure 29. [Figure 32] Figure 32 shows a side view of the sixth embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 33] Figure 33 shows an end view of the shaft shown in Figure 32. [Figure 34] Figure 33 shows a perspective view of the shaft shown in Figure 32. [Figure 35] Figure 35 shows a side view of the seventh embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 36] Figure 36 shows an end view of the shaft shown in Figure 35. [Figure 37] Figure 37 shows a perspective view of the shaft shown in Figure 35. [Figure 38]Figure 38 shows a side view of the eighth embodiment of the shaft, perpendicular to the axis of rotation of the shaft. [Figure 39] Figure 39 shows an end view of the shaft shown in Figure 38. [Figure 40] Figure 40 shows a perspective view of the shaft shown in Figure 38. [Modes for carrying out the invention]

[0036] Numerous exemplary embodiments of the present invention will be described in more detail below with reference to the drawings.

[0037] The apparatus shown in Figures 1-10 for winding a longitudinally extending object 1, such as a line or cable, has a drum, which is rotatable in a rotational direction r1 about a rotation axis d1, and has a support surface 3 extending around the drum 2 for supporting the object 1 to be wound. The sides of the support surface 3 are provided with raised portions 4, which extend radially away from the rotation axis d1 of the drum, laterally defining a receiving space 5 positioned between them to receive the object 1 to be wound. The raised portions 4 are in the form of ring-shaped flanges 8, which extend radially outward in height on both sides of the support surface 3, and on those surfaces facing away from the support surface 3, form the end region of the drum 2.

[0038] Furthermore, the apparatus includes a device 6 for preventing the windings 7 of object 1 from accumulating in a narrow area of ​​the transverse range of the support surface 3. The device 6 for preventing the windings 7 from accumulating has a shaft 9, which extends transversely from the flange 8 of the drum 2 through a narrow gap 11 onto the support surface 3 and the flange 8, and has a male threaded portion (threaded portion) 10 that is rotatably mounted around its axis of rotation d2 in a component 12 located on the side of the drum 2.

[0039] The embodiments shown in Figures 1 to 10 illustrate the configuration of a device for winding an object 1 that extends in the longitudinal direction, with the drum 2 positioned vertically. In the side views shown in Figures 1 and 6, the rotation direction r1 of the drum extends clockwise, thereby moving the object 1 wound around the drum in the direction of arrow a, particularly by the tangential supply region 13 shown in Figures 1 and 6. The shaft 9 having its threaded portion 10 is positioned in the peripheral region of the drum 2 adjacent to the supply region 13.

[0040] Figures 1-5 show the drum in the first rotation position. The region of object 1 extending along the supply region 13 is shown as a section cut out at a given position in Figures 1-10.

[0041] In particular, as can be seen from Figures 3 and 5, the region 14 of the object 1 to be wound is supplied from the supply region 13 to the drum 2 and is positioned on one or more lower windings 7. In the left-hand region of the receiving space 5, it engages with the screw groove of the screw portion 10 of the shaft 9, and the frictional engagement with the screw portion 10 causes the shaft 9 to rotate in a rotation direction r2 opposite to the rotation direction r1 of the drum 2.

[0042] Figures 6-10 show the embodiment shown in Figures 1-5 at a second rotational position of the drum 2, which has been rotated approximately 20° (clockwise) in the rotational direction r1 relative to the first rotational position, and as shown in Figure 6, the plan view shows the corresponding rotation of the shaft 9 in the rotational direction r2 (counterclockwise). In this case, as can be seen from the cut end of the object 1 being wound in the supply region 13, the object 1 is further wound to a corresponding length. Due to the active locking and frictional engagement of region 14 of object 1, the region abuts against one or more lower windings 7 supplied from the supply region 13 to the drum 2, and with further rotation of the shaft 9 up to approximately 20° from the first rotational position to the second rotational position shown in Figures 1-5, the region 14 of the winding object 1 is moved away from the lower adjacent windings 7 in the transverse direction of the support surface 3 toward its center, so that the windings do not pile up on top of the windings 7.

[0043] In Figures 3 and 8, in a plan view of the left end of the shaft 9, the shaft 9 has a left-handed threaded portion 15 in its left-handed twisted region (in a plan view of the left-handed twisted end of the shaft 9, with respect to the clockwise rotation of the threaded portion, the region 14 that engages with the threaded region of the object 1 moves to the right toward the center of the shaft 9), and a right-handed threaded portion 16 in its right-handed twisted region (in a plan view of the left-handed twisted end of the shaft 9, with respect to the clockwise rotation of the threaded portion, the region of the wound object 1 that engages with the threaded region moves to the left toward the center of the shaft 9).

[0044] In the embodiments shown in Figures 11-16, the drum 2 is horizontally positioned with a rotation axis d1 extending in the vertical direction. The rotation axis d2 of the shaft 9 is also oriented vertically, and as described above with respect to the first embodiment shown in Figures 1-10, the drum 2 and the shaft 9 are positioned in this manner relative to each other.

[0045] In a horizontally positioned drum 2 with horizontal winding motion, the gravitational force of the winding of the wound object 1 acts toward the lower end of the drum 2. To generate a force that acts against gravity and prevents the winding of the object 1 wound on the drum 2 from accumulating in a region of the receiving space 5 adjacent to the downward end face of the drum 2, the shaft 9 has a continuous left-hand threaded portion in a lower plan view relative to its downward end, as can be seen particularly in Figure 13. Thus, the region 14 of the object 1 supplied from the supply region 13 to the drum 2, which tends to accumulate in the lower region of the receiving space 5 due to its gravity and is in contact with the left-hand threaded portion of the shaft 9, undergoes an upward motion that causes it to rise above the lower winding 7.

[0046] As can be seen from Figures 1 to 16 of the above embodiment, the component 12, which is positioned to the side of the drum 2 and remains stationary relative to the rotational movement of the drum 2, has a wall portion 17 that extends parallel to the adjacent end face of the drum 2 in order to mount the shaft 9. The drum 2 is also rotatably mounted on the wall portion 17.

[0047] The embodiment of the shaft 9 shown in Figures 17-19 has a left-hand threaded portion 15 in its left-hand twist region and a right-hand threaded portion 16 in its right-hand twist region, as seen in the horizontal view in Figure 17. In this regard, as shown in Figure 18, the shaft 9 rotates clockwise in a plan view relative to its left-hand twisted end face. The two threaded portions are each single-start threads and are interconnected at the center of the shaft so as to be mirror images of each other with respect to a mirror plane that extends perpendicular to the rotation axis d2 of the shaft 9 at the connection point. In particular, as can be seen from Figure 17, the mirror plane extends through the tops of the threads and thread grooves of the threaded portions that are adjacent to each other.

[0048] The embodiment of the shaft 9 shown in Figures 20-22 differs from the embodiment shown in Figures 17-19 in that the two threaded portions are offset from each other by an angle of up to 180° from the mirror image arrangement shown in Figures 17-19. The plane at the connection point, which is positioned perpendicular to the axis of rotation of the shaft 9 at its center, extends through the top of the threads of one threaded portion and the thread grooves of the other threaded portion.

[0049] The embodiment of shaft 9 shown in Figures 23-25 ​​differs from the embodiment shown in Figures 17-19 in that shaft 9 has double threads in each threaded portion.

[0050] The embodiment of shaft 9 shown in Figures 26-28 also differs from the embodiment shown in Figures 20-22 in that the two threaded portions have a double-thread configuration.

[0051] This embodiment corresponds to the configuration of the shaft 9 used in the embodiment shown in Figures 1 to 10.

[0052] Figures 29-31 show a shaft 9 having a left-hand threaded portion 15 and a right-hand threaded portion 16 that are mirror-symmetric with respect to a central plane perpendicular to the rotation axis d2 of the shaft 9, similar to the embodiments shown in Figures 17-19. At its ends facing the two end faces, the shaft 9 is provided with frustoconical enlargements 18 directly adjacent to the threaded portions, the enlargements having a maximum diameter greater than the outer diameter (nominal diameter) of the two threaded portions. When this shaft is used in the embodiments shown in Figures 1-10 of a device for winding a longitudinally extending object, the frustoconical enlargements 18 can be positioned laterally to the raised portion 4 on the support surface 3 of the drum 2 for the object to be wound, and can be engaged within the receiving space 5 for the object 1.

[0053] As shown in Figures 29-31, the frustoconical enlargement 18 on the shaft 9 protrudes into the receiving space 5 of the drum 2 within the raised portion 4. Therefore, contact between the enlargement 18 and the component 12 is avoided by the spacer ring 20, which is arranged concentrically with respect to the rotation axis d2 of the shaft 9.

[0054] The enlarged portion 18 stipulates that the region 14 of the wound object 1 that is in contact with the enlarged portion 18 is deflected toward the threaded region of the shaft 9 in order to prevent the winding from piling up in the receiving space 5 of the drum 2 adjacent to the raised portion 4.

[0055] An alternative embodiment of the shaft 9 is shown in Figures 32-34. Here, the outer diameter (nominal diameter) of each threaded portion of the shaft 9 increases in its two end regions in the direction toward the end face of the shaft 9 adjacent to each end region. This measure, along with the increase in height toward the center of the receiving space 5 of the drum 2, accommodates the specifically intended arrangement of the windings of the wound object 1.

[0056] In the embodiments shown in Figures 17 to 34, the shaft 9 is in the form of a hollow shaft that is rotatably mounted on a component 12 that is stationary with respect to the rotatable drum 2, or on a spindle (not shown) that is rotatably mounted within the component 12.

[0057] Instead of a hollow shaft, the shaft 9 can also be mounted using bearing journals 19 that protrude outward at their ends, as illustrated in Figures 35-37. In this example, the shaft 9 is provided with left-hand threaded portions 15 and right-hand threaded portions 16 according to the embodiment shown in Figures 26-28. A connection between the two threaded portions is also provided as shown in Figures 26-28.

[0058] To mount the shaft 9 shown in Figures 35-37, preferably, as in other embodiments described herein as examples, two wall portions 17 of the component 12 are provided, the wall portions 17 extending laterally from the drum 2, and the shaft 9 can be mounted on or within the wall portions 17. In particular, the two end bearing journals 19 for the shaft 9 can be engaged within bearing receiving means (not shown).

[0059] In the embodiments shown in Figures 38-40, the shaft 9 is provided with a continuous double-threaded screw. The shaft 9 is also in the form of a hollow shaft.

[0060] In the embodiment shown in Figures 11-16 of a device for winding an object extending in the longitudinal direction, when using the shaft, the shaft 9 shown in Figures 38-40 can be installed with a left-hand thread configuration, as shown in Figure 13 and described in more detail above. [Explanation of symbols]

[0061] 1 object 2 drums 3 Support surface 4 Raised area 5. Receptive space 6 devices 7 windings 8 flanges 9 shafts 10 Screw part 11 gaps 12 components 13 Supply area 14 areas 15 Left-hand thread part 16 Right-hand threaded portion 17 Wall 18. Raised portion (enlarged portion) 19 Bearing Journal d1 axis of rotation d2 rotation axis r1 Rotation direction r2 Rotation direction a arrow

Claims

1. A device for winding a longitudinally extending object (1), such as a line or cable, together with the object (1) to be wound, the device having a drum (2), the drum being rotatable in a rotational direction (r1) about a rotation axis (d1), and having a support surface (3) extending around the drum (2) for supporting the object (1) to be wound, and a raised portion (4) extending radially away from the rotation axis (d1) of the drum (2) in a side or lateral region of the support surface (3) and laterally defining a receiving space (5) to be positioned between the raised portions for the object (1) to be wound, the device including a device (6) for preventing the winding of the object (1) from accumulating in a narrow area of ​​the cross-sectional area of ​​the support surface (3), The device (6) for preventing the windings of the object (1) from piling up has a shaft (9), the shaft has a male threaded portion (10), extends transversely from the raised portion (4) through a narrow gap (11) at small intervals on the support surface (3), and is mounted around its axis of rotation (d2) in a component (12) located to the side of the drum (2), The apparatus wherein the shaft (9) is driven only by the region of the object (1) being wound around it, the region is supported by the lower windings of each of the objects (1), and contacts the threaded portion (10) from below, which is brought about by the rotation of the drum (2), and the gap (11) is kept small enough that the object (1) being wound around it cannot pass through it.

2. The apparatus according to claim 1, wherein a supply area for the object (1) to be wound is associated with the drum (2), and in the supply area, the object (1) is supplied to the drum (2) before it is supported on the drum (2), and the shaft (9) is positioned at the location on the drum (2) where the supply area for the object (1) terminates, at the location where the supply area is tangential to the drum in the case of tangential supply of the object (1), or in a region adjacent to that location in the rotational direction of the drum (2).

3. The apparatus according to claim 1 or 2, wherein, in a horizontal view of the shaft (9) when viewed along the rotational direction (r1) of the drum (2) at the position of the shaft (9), the shaft (9) has a left-hand threaded portion (15) in its left-hand twist region and a right-hand threaded portion (16) in its right-hand twist region.

4. The apparatus according to claim 3, wherein the right end of the left-hand threaded portion (15) and the left end of the right-hand threaded portion (16) are directly connected to each other.

5. The apparatus according to claim 4, wherein the left-hand threaded portion (15) and the right-hand threaded portion (16) are connected to each other at the center of the shaft (9).

6. The apparatus according to claim 4 or 5, wherein the left-hand threaded portion (15) and the right-hand threaded portion (16) are arranged in a mirror image relative to each other with respect to a plane that extends perpendicularly to the rotation axis (d2) of the shaft (9) at the connection position.

7. The apparatus according to claim 4 or 5, wherein the left-hand threaded portion (15) and the right-hand threaded portion (16) are positioned offset from each other by up to 180° around the rotation axis (d2) with respect to a mirror image arrangement with respect to a plane extending perpendicular to the rotation axis (d2), and the plane extends at the connection point through the thread vertices of one threaded portion and the thread grooves of the other threaded portion.

8. The apparatus according to claim 1 or 2, wherein the shaft (9) has a continuous left-hand threaded portion and a continuous right-hand threaded portion when viewed in the rotational direction (d1) of the drum (2) at the position of the shaft (9).

9. The apparatus according to any one of claims 1 to 8, wherein the shaft (9) is in the form of a hollow shaft and is rotatably mounted on or within the component (12) located to the side of the drum (2), on a spindle held within the component (12).

10. The apparatus according to any one of claims 1 to 8, wherein the shaft (9) has a bearing journal (19) at its end that engages with the bearing mounting portion on or within the component located on the side of the drum (2).

11. The apparatus according to any one of claims 1 to 10, wherein the shaft (9) is provided with a frustoconical enlarged portion (18) facing the end in at least one of its end regions, the maximum diameter of which is greater than the outer diameter of the male threaded portion (10) of the shaft (9), and the distance between the enlarged portion (18) and the support surface (3) is less than the height of the flange (8) on the support surface (3).

12. The apparatus according to any one of claims 1 to 10, wherein the outer diameter of the male threaded portion (10) of the shaft (9) increases in a direction toward the end face of the shaft (9) adjacent to the end region, at least in one of its end regions.

13. The apparatus according to any one of claims 1 to 12, wherein the component (12) positioned to the side of the drum (2) has a wall portion (17) for mounting the shaft (9), and the wall portion extends parallel to the adjacent end face of the drum (2).

14. The apparatus according to claim 13, wherein the drum (2) is rotatably mounted on the wall portion (17).

15. The apparatus according to any one of claims 1 to 14, wherein at least one of the raised portions (4) positioned laterally to the support surface (3) for the object (1) wound around the drum (2) is in the form of a flange (8) extending radially outward from the support surface (3) beyond its height, and the shaft (9) extends over the flange and the support surface (3) at a small distance from the flange (8).

16. The apparatus according to claim 15, wherein the flange (8) extending radially outward on at least one side of the support surface (3) is in the form of a circular ring-shaped flange that extends around the entire circumference of the drum (2) and forms an end region of the drum (2) on its outer surface away from the support surface (3).

Images