ES2555283T3 - Reel intended to receive a material to be wound and reel parts system - Google Patents

Abstract

Reel intended to receive a material to be wound with a rotationally symmetrical reel core (1), especially conical, intended to receive the material to be wound, the reel core (1) having a first end (2) and one or more first retention areas (10), and a first flange (5), which has one or more first retention elements (20), several second retention areas (1) being provided at the first end (2) of the reel core (1). 11) and several second retention elements (21) being provided on the first flange (5), the second retention areas (11) being configured in such a way in the reel core (1) and the second retention elements being ( 21) configured in such a way on the first flange (5) that the second retention elements (21) are engaged with the corresponding second retention areas (11) when the first retention elements (20) are engaged with the first areas of retention corresponding ion (10), the second retention element-retention zone couples (21/11) being different from the first retention element-retention zone couples (20/10) and presenting the second retention zones (11) different angular positions in relation to the axis of rotation (6) of the reel core (1), characterized in that the first retention elements (20) engage from outside, viewed in radial direction, in the first retention areas (10) provided in the first end (2) of the reel core (1) and are configured so that, during the winding of a material to be wound on the reel core (1), the material to be wound pushes them in the direction of the first retention areas (10), especially in the radial direction inwards.

Description

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According to the invention, the first retention elements intervene from outside, seen in radial direction, in the first retention zones provided at the first end of the reel core. According to the invention, the first retaining elements are configured here so that, during a winding of material to be wound on the reel core, the material to be wound pushes them in the direction of the retention areas, especially in the radial direction inwards. . The first retention elements of the first flange are engaged from the outside in the first retention areas of the reel core. This ensures that, during the winding of a material to be wound on the reel, the material to be wound can be placed on the first retention elements. The forces that occur here, oriented radially inwards, that is to say towards the axis of rotation of the flange or the core of the reel, contribute to the first elements

10 of retention are pushed inwards, towards the first retention zones, and, therefore, they remain very securely in their position, that is to say, engaged with them.

The first retention elements, configured as protrusions with retention peaks, are sized and / or advantageously shaped so that a proportion as large as possible of the forces exerted by the material to be wound is transmitted radially to the first elements of

15 retention. This is preferably achieved by making the projections of the first retaining elements extend essentially parallel to the axis of rotation of the first flange or to the lateral surface of the reel core.

In addition, it is advantageous that the projections of the first retention elements have such a height, in relation to the base surface of the first flange facing the reel core, that within

20 possible, several turns, preferably a large number of turns, of the material to be wound can be placed on them. The height of the projections is preferably between 5 and 20 mm, especially between 8 and 12 mm. With these values, large radial forces are guaranteed on the one hand with the reel provided with wound material and on the other hand large forces with the empty reel, so that in both cases a very secure fixation is achieved.

The method for winding a material to be wound on a reel according to the invention includes steps of: placing the reel on a support reel, which has a preferably conical support reel core and at least one flange arranged at one end of the core of support reel, and rotate the support reel, whereby the reel placed on the support reel is also rotated and thereby a material to be fed is wound on the reel. This procedure is distinguished because the flange

30 of the support reel is engaged in a drive drag to a reel flange by at least one trailing stop provided in the support reel flange. With the drag-on coupling, a very reliable transmission of the moment of rotation of the support reel in rotation to the reel on which the material to be wound is wound is guaranteed. This is particularly advantageous in the acceleration and braking processes, where there are greater turning moments that can cause the reel to not be dragged, or by

At least no longer reliably, because of the rotating support reel and cannot be rotated. In this way, a very reliable winding of the material to be wound on the reel according to the invention is achieved.

Preferably, the reel is made as a single use reel and the support reel is made as a standard or recoverable reel, on which the reel rests during winding. With respect to the preferred wall thicknesses of the reel core or the support reel core,

40 correspondingly applies the above explained in relation to a single use reel or a recoverable reel.

With the placement of the reel on the support reel, the inner side of the reel core preferably rests, at least in part, on the outer side of the support reel core and thus engages with the latter in drag drag. This additional friction drag coupling favors

The transmission of the moments of rotation of the support reel to the reel, which makes the winding of the material on the reel even more reliable.

In addition, it is preferred that the at least one trailing stop provided in the flange of the support reel intervenes, in the coupling in form drag, at least an intermediate space between different ribs formed in the reel flange. The shaped ribs, which are essentially intended as mechanical reinforcement of the reel flange, serve at the same time to establish the drag,

5 so that it is not necessary to take additional measures on the reel flange. Thus, the reel according to the invention retains its simple design.

A corresponding support reel for use in the process described above in order to wind a material onto a reel has a support reel core, preferably conical, and at least one flange disposed at one end of the support reel core and it is distinguished in that at least one drag stop is provided in the flange of the support reel by means of which the support reel flange can be draggedly coupled to a reel flange placed on the support reel.

A corresponding flange for a support reel of this type for use in the process described above in order to wind a material on a reel has a flat base and is distinguished because at least one drag stop is provided on the base by means of the which the support reel flange can

15 engage in a drag on a flange of a reel placed on the support reel.

Other advantages, characteristics and possibilities of application of the present invention follow from the following description in relation to the figures. In the figures:

Fig. 1: two perspective views of an example of a reel core with a second flange fixed to the reel core;

Fig. 2: sectional representation of the example shown in Fig. 1; Fig. 3: detail of the sectional representation shown in Fig. 2; Fig. 4: top view of an example of a first flange; Fig. 5: cross section through the first flange of Fig. 4 along the line A -A; Fig. 6: side view of the first flange of Fig. 4;

Fig. 7: another cross section through the first flange of Fig. 4 along line B -B; Fig. 8: detail of the cross section shown in Fig. 5; Fig. 9: two perspective views of the example of a first flange; Fig. 10: sectional representation of the example of Fig. 1 with a first flange fixed; Fig. 11: Sectional representation of a reel partially placed on a reel core

30 support; Fig. 12: sectional representation of a reel completely placed on a support reel core; Fig. 13: flange for a support reel in a top view (a), a side view (b), a first

(c) and a second (d) perspective view and a representation in section (e).

Figure 1 shows two perspective views of an example of a rotationally symmetrical tapered reel core 1 with a first end 2 of smaller diameter and a second end 3 of larger diameter.

At the second end 3 of the reel core 1 a second flange 4 is fixedly connected to the reel core 1, for example because it is configured in one piece with the reel core 1. However, in addition to a configuration in a piece, any other fixed connection is also possible

40 detachable.

In the area of the first end 2 of the reel core 1, first retention areas 10 are provided which, in the example shown, are carried out by means of elongated perforations, in particular grooves, in the area of the first end 2 of the reel core 1 The first retention zones 10 can also be formed, alternatively or additionally, by means of cavities, especially grooved ones, or

45 elevations, especially by way of ribs, in the area of the first end 2 of the reel core 1.

On the front side of the first end 2 of the reel core 1 there are also provided second retention areas 11 which, in the example shown, are made by means of teeth-like projections on the front side of the first end 2 of the reel core one.

In the example shown there are provided, at the first end 2 of the reel core 1, in total eight

5 first retention zones 10 and eight second retention zones 11. However, in principle a larger or smaller number of first or second retention zones 10 or 11 may also be provided. In the example shown, the number of first and second Retention zones 10 or 11 is identical. However, this may also be different. For example, six first retention zones 10 made as perforations in the form of grooves and only two second retention zones 11 may be provided.

10 in the form of projections as teeth.

The different first and second retention zones 10 or 11 in each case have a certain angular position in relation to the axis of rotation of the tapered reel core 1. In the example shown with eight first and second retention zones 10 or 11, the first retention areas 10 and the second retention areas 11 are arranged displaced relative to each other in each case angular distances

15 equals 45º. In addition, the angular position of the first retention zones 10 is identical to the angular position of the second retention zones 11, that is to say that at a certain angle there is both a first and a second retention zone 10 or 11. However Alternatively, it is also possible that the first retention areas 10 have an angular position different from that of the second retention areas 11.

20 Figure 2 shows a side view of the example of Figure 1, correspondingly applying the above explained in relation to Figure 1.

As shown in Figure 2, the angular position of the first and second retention zones 10 or 11 in relation to the axis of rotation 6 of the reel core 1 is identical.

The diameter d1 of the first end 2 of the spool core 1 is smaller than the second diameter d2 of the

25 second end 3 of the spool core 1. Typical values of the first diameter d1 are approximately 180 mm, the typical second diameters d2 are approximately 260 mm. The outer diameter d3 of the second flange 4 is normally about 390 mm and can be chosen considerably larger or smaller depending on the intended use and / or the capacity of the reel. The analogue applies to the first and second diameter d1 or d2. Normally, the conical core wall of

30 reel 1 is inclined in relation to the axis of rotation 6 at an angle of 6 ° and has a wall thickness of 1.5 mm.

An enlarged detail 13 of the example of Figure 2 is shown in Figure 3. A first retention zone 10 in the form of a rectangular perforation through the reel core 1, provided in the area of the first end 2 of the reel core 1, it has a width d4 of approximately 5 mm and a length d5 of

35 approximately 30 mm. The height d6 of the second retention zone 11, configured as a projection on the front side of the first end 2, is in this example approximately 1.5 mm.

In principle, the dimensions of the first and second retention zones 10 or 11 may differ considerably upwards or downwards from the typical values mentioned herein only by way of example. In particular it may be advantageous to choose for the second retention zones 11 configured

40 as projections a height of significantly greater d6, to achieve a very reliable engagement of the second retention areas 11 in the second corresponding retention elements of a first flange, as described below in greater detail.

Figure 4 shows a top view of an example of a first flange 5, which can be placed on the first end 2 of the reel core 1 and attached thereto. Next, the fundamental design of the first flange 5 is explained in more detail with reference also to Figures 5 to 7, showing the

Figure 5 a cross section through the first flange 5 along line A -A, Figure 6 a side view of the first flange 5 and Figure 7 another cross section through the first flange 5 along of line B -B.

As can be seen in the view from above and in the two representations in cross section, the first

5 flange 5 has a flat base 26 with a circular bore 8 arranged coaxially with respect to the axis of rotation 7 of the first flange 5. The base 26 is stabilized in its rear area by a plurality of shaped ribs 27.

On the front side of the base 26 opposite the ribs 27 there is provided an annular zone 28, which is located next to the circular perforation 8 and preferably formed in a piece next to the

10 drilling 8 of the first flange 5.

In the inner peripheral zone of the annular zone 28 there are provided first retention elements 20 configured as projections, which are oriented essentially parallel to the axis of rotation 7 of the flange 5 and have at one end a retention peak 22 in the form of a projection oriented radially inward, that is to the axis of rotation 7 of the first flange 5.

In the area at the other end of the first retention elements 20, second retention elements 21 are provided which, in the example shown, are formed by gaps between intermediate zones 23 configured in the first flange 5. The intermediate zones 23 have , in the area of the first flange 5 opposite the base 26, radial projections 25 which are separated from each other by the above-mentioned gaps between the intermediate zones 23.

20 However, in principle, the second retaining elements 21 can also be designed in another way, for example by means of recesses or recesses in the area of the first flange 5 opposite the base

26. For example, it is possible to make the second retention elements 21 by means of ends of the ribs 27 projecting radially in the circular bore 8 of the first flange 5 and between which a second retention zone 11 can be engaged in each case, preferably in the form of projection

25 axial, and with this a torsion protection of the first flange 5 can be achieved in relation to the spool core 1.

The second retention areas 11, preferably configured as projections as teeth on the front side of the reel core 1 (see Figures 1 to 3), and the second retention elements 21, preferably configured as holes or cavities in the first flange 5, are arranged and 30 sized so that they can engage each other. At the same time, the first retention areas 10, provided at the first end 2 of the reel core 1 in the form of recesses or recesses in the form of slots, are arranged and sized so that the retention peaks 22 of the first elements of retaining 20 provided in the first flange 5 can fit into them. In this way, a fastening in the form of the first flange 5 at the first end 2 of the core is achieved.

35 reel 1, engaging the first retention elements 20 and the first retention areas 10 and at the same time the second retention elements 21 and the second retention areas 11.

A shape drag connection between the first flange 5 and the first end 2 of the spool core 1 is then possible only when the angular position of the first flange 5 in relation to the spool core 1 is chosen so that both the first as the second element retention-zone area

40 retention 20/10 or 21/11 can be engaged with each other.

Figure 8 shows an enlarged detail 14 of the cross section through the first flange 5 shown in Figure 5. In addition to a detail of the base 26, the first retaining element 20 can be seen in the form of a projection, which is integrated into the inner periphery of the annular zone 28 and extends parallel to an axis 7 'which extends preferably parallel to the axis of rotation 7 (see Figure 5) of the first flange

45 5 or which is inclined towards it at a small angle, for example between 0.25 ° and 1 °, in particular 0.5 °.

On the inner side - seen in radial direction - of the axial projection of the first retaining element 20 there is a retaining peak 22 having a chamfer 24. The chamfer 24 is inclined in relation to the axis 7 'and / or the axis of rotation 7 of the first flange 5 at an angle ß between approximately 20 ° and 40 °, especially approximately 30 °. The height d7 of the lower end and the height d8 of the upper end of the retaining peak 22 in relation to the rear plane of the first flange 5 are preferably approximately 20 mm and 25 mm respectively. The radial extension d9 of the retention peak 22 is preferably approximately 2 mm. However, the dimensions, arrangement and shape of the retention peak 22 may differ significantly from these values, depending on the application case. For example, the radial extension d9 can be much larger than 2 mm, for example to ensure a very reliable fixation of the

10 first flange 5 to the reel core 1, when for example the reel must receive very large amounts of material to be wound. The analog is applicable for the other values mentioned here.

In Figure 8 the intermediate zone 23 can also be seen, which - in relation to the drawing plane - is located behind the first retaining element 20 and which, at its lower end, has a radial projection 25 which, together with the others protrusions (see Figures 4 and 5), form intermediate or hollow spaces 15 by means of which, in the example shown, the second retaining elements 21. Intermediate zones 23 are preferably inclined an angle α between 3 ° and 9 °, especially around 6 °, with respect to the axis 7 'or the axis of rotation 7 of the first flange 5 and preferably configured so that they can rest on the lateral surface, in the area of the first end 2 of the reel core 1. The intermediate zones 23 are preferably supported on areas of the reel core 1 that are between the

Top 20 retention zones 10.

Figure 9 shows two perspective views of the example of a first flange 5. The lower part of the image shows the first flange 5 essentially from the base 26, while the upper part of the image shows the first flange essentially from its rear side provided with nerves 27.

This representation also illustrates the layout and configuration of the first elements of

25 retention 20 located within the annular zone 28, including the retention peaks 22, and of the second retention elements 21 in the form of intermediate or hollow spaces between the intermediate zones 23 and their radial projections 25. Otherwise, it can be applied correspondingly The above explained.

Figure 10 shows a sectional representation of the example shown in Figure 1, with a first flange 5 fixed in the area of the first end 2 of the reel core 1 and with a second flange 4 fixed in the

30 zone of the second end 3.

In the representation, first retention areas 10 can be seen in the form of recesses in the form of slots in the reel core 1, in which retention peaks 22 of the first retention elements 20 fit from outside. With the exception of the first retention elements 20 located laterally, the other first retention elements are covered by the lateral surface of the spool core 1 and,

35 therefore, they are not visible in the representation chosen here. In addition, second retention areas 11 can be seen that fit into a few second retention elements formed in the first flange 5 by the areas located between the radial projections 25. Otherwise, the above explained in relation to Figures 1 to 9.

In the event that the reel is designed as a single use reel, especially with thicknesses of

40 wall of the reel core 1 relatively small, between 1 and 3 mm, the first and second retention areas 10 or 11 and the first and second retention elements 20 or 21 are configured so that it is not possible to release manually the first flange 5 of the reel core 1 in an easy and non-destructive way.

However, in this case, as well as in the case of the reel configuration as a recoverable reel, 45 especially with larger wall thicknesses of the reel core 1, between about 2 and 5

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support 41, for example because it is configured in one piece with the support reel core 41. However, as an alternative to a configuration in one piece, any other fixed joint, particularly non-detachable, is also possible.

The other end of the support reel core 41, in this representation the lower end, is

5 configured so that it can be detachably attached to a first flange 45 of the support reel 49. Here, a removable joint can be made, for example, by means of segment retention mechanisms provided in the first flange 41 that intervene in corresponding retention openings provided at the open end of the support reel core 41, for example in the known winding reel of WO 2005/0700802 A1.

On the side of the first flange 45 oriented towards the support reel core 41, two drag stops 42 are provided, which for example are configured in one piece with the first flange 45 for example by the molding method together with the first 45 flange in an injection molding process. However, in principle it is also possible to place the trailing stops 42 on the first flange 45 subsequently, for example by a plug or screw connection or by gluing.

15 The first flange 5 of the reel 1 has an essentially flat base plate 26, on whose rear side, that is to say the side facing the reel core 1, ribs 27 are formed whose function is fundamentally to mechanically stabilize the base plate 26 of the flange 5. With regard to the position and configuration of the different ribs 27, we refer to the example of embodiment of a first flange 5 shown in Figures 4, 5 and 7, including the corresponding explanations.

In the present example, at least a part of the ribs 27 formed in the base plate 26 are arranged so that they form an intermediate space in which the respective drag stop 42 of the first flange 45 of the support reel 49 can intervene when the spool 9 is fully positioned on the support reel core 41 and the first flange 45 is preferably, detachably fixed, at the open end of the support spool core 41. This is shown in Figure 12.

25 By means of the intervention of the drag stops 42 provided in the first flange 45, in the intermediate spaces provided between the different ribs 27 on the rear side of the first flange 5 of the spool 9, a drag connection is established between the first flange 45 of the support reel 49 on the one hand and the first flange 5 of the reel 9 on the other hand. Preferably, the coupling of the two reels 9 and 49 is further reinforced by causing the inner side of the core 1 of the reel 9 to rest at least

30 partially, on the outer side of the core 41 of the support reel 49 and thus the reel core 1 engages in friction drag with the support reel core 41.

The reels 9 and 49 coupled together can now be used in a winding device (not shown), in which the support reel 49 is rotated around the axis of symmetry 6. This can preferably be done by placing the first flange 45 of the reel support 49 on a housing for

35 reels, which is driven by a motor and thereby rotated. The second flange 44 of the support reel 49 is also preferably coupled to another reel housing, which is also rotatably housed, although it is not necessary to be driven by a motor, and in essence it serves for the mechanical stabilization of the reels 9 and 49 in rotation during winding.

Figure 13 shows a first flange 45 of the support reel 49 in different representations. In the

40 top view (a) shown can be seen clamping projections 43, whereby the first flange 45 can be detachably placed at the lower end of the core 41 of the support reel 49 thanks to the clamping projections 43 grasping below corresponding retention projections arranged at the free end of the support reel core 41. With regard to other details relating to the configuration of the securing projections 43 and the corresponding retention projections

45 of the support reel core 41 we refer to WO 94/13570 A1.

In the top view (a) shown, two drag stops 42 can also be seen. In this example, they are formed on one side of the base plate 46 of the first flange 45, as can be seen from the side view (b) of the first perspective view (c) and the representation in section (e).

The second perspective view (d) shows the first flange 45 of the support reel 49 from the rear side of the base plate 46, which is provided in the latter with a plurality of reinforcing ribs 47.

Claims (1)

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