DE2544365C3 - Device for winding up wire-shaped material - Google Patents

Description

The invention relates to a device for winding up wire-shaped material according to the preamble of the main claim.

In such a device for winding up wire-like material, the wire-like material is usually between a full bobbin and an empty bobbin arranged parallel to the full bobbin guided and at the moment of transferring from the full to the empty bobbin then in the direction of a The side of the empty bobbin carrying pawls or driving pawls moves, the wire-shaped material is detected by the pawls of the empty bobbin and cut off and then automatically the winding of the wire-like material on the empty spool begins. This occurs at the capped end of the wire-shaped Material has a rebound effect. At the same time a centrifugal force acts on this end, so that it is thrown radially outward and damage to the on the standstill of the full bobbin full coil of wound wire-like material. It can also happen that entangled this free end of the wire-like material on the rotating driver pawls, whereby the Spool efficiency and the amount of product obtained can be significantly reduced. Most of the time it will free end of the wire-like material is divided into pieces which fly around and thereby considerable Cause risk of injury for the operating personnel.

Various protective devices are already known to eliminate these disadvantages and dangers, see above z. B. a completely surrounding the coil to be filled cylindrical cover with one over the entire length of the coil core extending inlet slot for the wire-shaped material (DE-OS 22 12 505), or a cylindrical cover placed coaxially with the spool at the moment of cutting off the wire-shaped material is pushed over the receiving surface of the coil so that it completely covers the coil covered and the wire-like material through a narrow circumferential gap between the free circumferential edge the cover and one flange of the bobbin runs through onto the bobbin core (DE-OS 21 11 179).

The protective device with the cylindrical cover according to DE-OS 22 12 505, however, has the The disadvantage is that it is cut off or torn off

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End piece of the wire-like material is thrown out of the cylindrical cover through the slot formed in this until the spool in rotation is stopped, during which part of the end piece strikes the slot and is cut into pieces that endanger the operating personnel . Even with the cover towards the DE-OS 21 11 179, the outstanding from dsm circumferential gap cut end of the full bobbin is until they are thrown against a stop rigid parts of the winder and split into pieces.

In a further device with a ring, which is used to evenly distribute the wire-like material to and fro over the bobbin core in order to ensure that the wire-like material is wound evenly To achieve in layers, it can happen that when capping or unintentional tearing of the wire-shaped This material is thrown out of the ring and engages with the pawl of the spool so tangled that it will no longer unwind by itself are not initiated on the next empty bobbin, which increases the winding efficiency considerably is worsened.

The invention is based on the object of providing a device of the type mentioned at the beginning haffen, in which a secure guide for the end piece of a wire-shaped material is formed, so that a cut end piece does not damage the rest of the material wound on the full spool as well; cannot endanger the operating personnel in any way.

According to the invention, this object is given by what is stated in the characterizing part of the main claim Features solved.

The advantages of the device according to the invention are that at least during the transmission phase of the wire-like material from the reel that has just become full to the one available empty spool, the main and half covers in one are partially overlapping position and a gap to pass through the wire-shaped Forming materials. In this gap, the wire-like material is guided and delimited so precisely that the Cutting off the wire-like material resulting flung and flinging end piece move only within the gap and neither damage the winding layers of the full bobbin nor that Can endanger operating personnel. The centrifugal force that occurs while the full spool continues to turn acts on the end piece of the wire-like material, also ensures that the end piece in the mentioned gap remains. The end piece of the wire-like material is thereby also at higher Speeds safely controlled

Further refinements of the invention emerge from the subclaims.

The invention is illustrated below with reference to several exemplary embodiments in connection with the Drawings illustrated in more detail. It shows

F i g. 1 is a schematic, partially sectioned view of a first embodiment;

F i g. 2 shows a section along the line AA in FIG. 1;

3 shows a schematic partial view, on an enlarged scale, of the device according to FIG. 1;

4 shows a schematic, partially in section held view of a second embodiment;

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55

60 FIG. 5 shows a schematic sectional view, on an enlarged scale, of part of the device according to FIG. 4;

6 shows a view similar to FIG. 5 of a modification of the in FIG. 5 shown part;

F i g. 7 is a schematic view, partly in section, of a third embodiment;

F i g. 8 shows an enlarged detailed view of part of the device according to FIG. 7;

F i g. Fig. 9 is a partially sectioned schematic view of a fourth embodiment;

Figure 10 is a cross-sectional view along the line ß-5inFig. 9;

11 and 12 enlarged detailed views of parts of the device in FIG. 9;

Fig. 13 is a schematic, partially in section View of a fifth embodiment;

F i g. 14 to 16 enlarged detailed sectional views of sections BB, CC, DD through the device according to FIG. 13;

F i g. 17 is a schematic view, partly in section, of a sixth embodiment;

Figure 18 is a sectional view of part of the device according to FIG. 17, on an enlarged scale;

Fi g. 19 is a schematic, partially in section View of a seventh embodiment;

F i g. Fig. 20 is a sectional view taken along the line CC in Fig. 19;

F i g. Fig. 21 is a schematic view, partly in section, of an eighth embodiment;

F i g. 22 is a sectional view along the line DD in FIG. 21;

F i g. 23 a fig. 2 similar view of a modified embodiment of the one shown in Fig.21 Contraption; and

F i g. Figure 24 is a schematic, partially in section View of a ninth embodiment.

In the case of the FIGS. The embodiment of the invention shown in 1 to 3 denotes the numbers 1 and Γ coils, 2 the wire-like material, 3, 3 ', 4, 4' drive shafts, 5 and 5 'ratchet wheels, which are provided with driver pawls 12 and 12' on their outer circumference 6 a wire guide for pushing away the wire-like material, which can be moved forwards or backwards by means of a working cylinder 7, and 8 a guide disk, which can be moved in the axial direction, for evenly applying the individual winding layers of the wire-like material to the bobbins 1 and Y, respectively.

The coils 1 and Γ, which are arranged parallel to one another, are rotated in opposite directions; The wire-like material 2 running over the guide disk 8 is initially completely wound onto the spool 1, the guide disk 8 between an end position shown by dash-dotted lines and an end position shown by full lines between points a and b in the direction of the longitudinal axis of the two spools 1 and Γ can be moved back and forth. Upon completion of the winding activity of the wire-like material 2 onto the bobbin 1, the guide disk 8 finally assumes the position at point a. The take-up of the wire-like material 2 on the reel 1 '(hereinafter referred to as the empty reel) is achieved in that this is pressed against the outer peripheral wall of the reel 1', the empty reel Γ the wire-like material 2 with the pawls 12 'of the ratchet wheel 5 'detected, as shown in FIG. 2, and the wire-shaped material 2 cuts through at the relevant point. In this case

the end piece of the wire-like material 2 on the full spool 1 against the outer windings this coil 1 is thrown, whereby the various, initially explained damage or damage. Problems arise. In the first embodiment of the invention are those for handling the end piece provided main covers 9 and 9 'and the Hilfsabdeckunpen 10 and 10' in such a way opposite one another arranged that they are movable towards each other or away from each other to the end of the to lead wire-shaped material 2 through the mutually opposite peripheral surfaces.

To move the main cover 9 or 9 'between points c and d (see FIG. F i g. I), 1 or Γ working cylinders i1 or ii' are attached to one side of the spool. The main cover 9 or 9 'has a cylindrical shape with a rear wall 9a or 9a' facing the associated ratchet wheels and has a larger diameter than the ratchet wheel 5 or 5 '. The main cover 9 or 9 'can be moved into the plane of the ratchet wheel 5 or 5', while the auxiliary cover 10 or 10 'is arranged on the side opposite the main cover 9 or 9'. The auxiliary cover 10 or 10 'has a diameter which is different from the diameter of the main cover 9 or 9'; in the first illustrated embodiment, the diameter of the auxiliary cover is smaller than that of the main cover. The auxiliary cover 10 or 10 'also has a rear wall 10a or 10a' running perpendicular to the direction of displacement and can be moved transversely to the end faces of the ratchet wheels 5 and 5 'by means of working cylinders 13 and 13'. The front end or the leading end of the main cover 9 or 9 'on the one hand and the auxiliary cover 10 or 10' on the other hand overlap during the closed position of the main and auxiliary cover, as shown in FIG. 3 can be seen. With 14 and 14 'knives are designated, which are preferably attached at suitable points on the outer peripheral surfaces of the auxiliary cover 10 or 10'.

In the view of Fig.2 the tangential Course of the wire-shaped material 2 between the full bobbin 1 and the empty bobbin 1 'can be seen. the The main cover 9 and the auxiliary cover 10 of the full bobbin 1 are located in the one shown in FIG. 1 and 3 state shown, so that the wire-like material is enclosed between the two covers 9 and 10 and is guided. When moving the wire guide 6, the in Fιg. 2 is represented by dashed lines, the direction of travel of the wire-like material is deflected so that it is released from the pawls 12 'of the empty bobbin Γ is taken and separated by the knife 14. The resulting end piece of the wire-shaped material 2 is shown in one of the FIGS dashed manner shown within a gap formed by the covers 9 and 10 through the Guide surfaces of these covers' 9 and 10 out, so that the end piece of the wire-like material no damage to the winding layers on the can cause a full bobbin to leak. Due to the narrow limitation of the freedom of movement of the free End of the wire-like material by means of the covers 9 and 10 holds this free end such Distance to the pawl 12 of the full bobbin 1 that the wire-like material 2 is prevented from getting with to devour or entangle the latch. In addition, since the overlapped covers 9 and 10 gap formed no rectilinear passage through the di aht-like material 2 in the radial direction allows, is prevented that the end of the Drahtförtnigen material 2 against the boundary edges of the Inlet opening strikes and is fragmented or moves outward in a radial direction.

This result is always obtained, even if the peripheries of the main covers 9 or 9 'and of the auxiliary covers 10 or 10 'are only slightly in an overlapping state overlapping condition is maintained, each of the covers can therefore have any desired geometric Have shape, for example with a stepped or arcuate cross-section. The degree

the overlap of the covers has no effect on the final result, however the overlap or covering of the covers should be provided to such an extent that a The end piece of the wire-like material 2 is prevented from flying out due to its fluttering movement can be.

In the second embodiment according to FIG. 4 and 5, the main cover 9 or 9 'is small in diameter compared to the auxiliary cover 10 or 10'; the knife 14 is here attached to the main cover 9 or 9 'F i g. 6 shows a modified form of the auxiliary cover with an annular, recessed area A, in which the end piece of the wire-like material can be guided even more securely.

In the third embodiment according to FIG. 7 and 8, the main cover 9 or 9 'is arranged to be in a very small distance over the winding layers of the bobbins 1 or Γ in the direction of the ratchet wheels 5 or 5 'can be moved and between the leading end of the main cover 9 or 9' and the side wall of the ratchet wheel allows a predetermined gap to pass through the wire-like material 2, so that neither the end piece that snaps back when the wire-like material is capped nor that of the empty reel wire-shaped materia to be wound up! - even if when engaging this wire-shaped Material through the pawl or the locking hook 12 'of the empty reel 1' an error occurs - damage can bring about the winding layers of the fully wound bobbin. The auxiliary cover 10 or 10 'also provides for the fact that the end piece of the wire-like material is guided on its inner surfaces in a reliable manner and a splintering of this end piece by possible hitting on edges is avoided. The covers thus serve the end piece as a guide until the rotation of the spool stops; while winding the wire-like material by moving the guide disk 8 back and forth, the covers act at the same time as safety covers against the shrinking ends if the wire-shaped material. The auxiliary covers 10, 10 'also prevent the wire-shaped Material from the pawls or locking hooks of the full spool when the wire-shaped material is deflected is taken by means of the wire guide.

A fourth, shown in Figures 9 to 12, Preferred embodiment of the device has a fixed inlet guide for the wire-shaped material to prevent the end piece of this wire-shaped material from hitting due to centrifugal force and to ensure that this end piece is picked up evenly or smoothly on the spool. These Guide consists of guide elements 15 and 15 ',

whose inwardly pointing open edge 15a or 15a 'is beveled. This guide element 15 or 15 'has an arcuate shape as seen in cross section, the center point of these arcuate guide elements coinciding with the central axis of the coil; this guide element 15 or 15 'is arranged in the guide area of the wire-shaped material 2 outside the cover 10 or Ϊ0' and provided with a beveled edge 13a or 15a 'through which the end piece of the wire-shaped material when the coil 1 or V is rotated forcibly against the cover 9 or Ψ is printed, the cover 9 or 9 'having a larger diameter, so that hitting the end piece is reduced to a minimum and consequently damage to this end piece and the covers 9. 9'_; 10. 10 'can be prevented in a satisfactory manner: the wire-like material on the fully wound bobbin 1 is also protected against damage by the end piece being thrown around.

The fifth preferred embodiment shown in FIGS. 13 to 16 differs from the fourth embodiment in that the arcuate guides 15, 15 'have no inclined or inclined guide surfaces and that instead the centers of these arcuate guides opposite the center axes of the bobbins 1 , Γ are arranged eccentrically, as can be seen from Fig. 13, so that one end of this guide is further inward in the radial direction, while the other end of the guide is further outward in the radial direction, whereby the end piece of the wire-like material forcibly against the cover 10 (or 10 '), which in this embodiment has the larger diameter. From FIGS. 14 to 16, the partially sectioned views along the lines BB, CC and DD in FIG. 13 show that the guide 15 (or 15 ') each has a smaller width than the peripheral portion of the cover 9 (or 9').

The severed end of the wire-like material 2 is rotated with the rotation of the spool 1. In a position according to FIG. 14 is still practicing leadership 15 does not affect the end piece. When the spool 1 is rotated to a position shown in FIG. 15 can be seen, the guide 15 comes into contact with the wire-shaped material 2 and presses it slightly into place Direction of the ratchet wheel 5, creating frictional forces between the wire-like material and the covers 9 and 10 as well as between the wire-like material and the guide 15 occur. If the coil 1 rotated further into a position that can be seen from FIG. 16, the wire-shaped material 2 is further deflected so that the end piece of this wire-like material in the gap that is through the Covers 9 and 10 is formed, is included.

In the case of one shown in FIGS. 17 and 18 shown sixth Embodiment, a guide 15 in the form of an arcuate guide plate is provided, which in Cross-sectional view according to Fig. 18 of a U-shaped Has section and the center of which is eccentric with respect to the central axis of the coil when deflecting of the wire-like material 2 through the wire guide 6 in the direction of the ratchet wheel 5 and cutting off the wire-shaped material 2 through the pawl or the pawl-shaped element 12 'is the end piece of the wire-shaped material with the help of the U-shaped section extending beyond the cover 10 the guide 15 guided into the space within the cover 9 and 10. Thereby the energy the resilience of the end piece is satisfactory due to the U-shaped section of the guide 15 absorbed. The U-shaped section can preferably be modified in terms of its shape in such a way that that there is a reasonable amount of frictional force between the guide plate and the wire-shaped Material generated and the wire-like material reliably in the space between the Covers heads.

In the seventh embodiment illustrated in FIGS. 19 and 20, a pretensioning ring 16 or 16 'is attached to the wire guide 6 for pushing away the wire-shaped material 2, while the working cylinder 7 or 7' to move the wire guide on the main cover 9 or . 9 'is attached. In this arrangement, the pretensioning ring 16 or 16 'is first moved together with the main cover 9 or 9' in the direction of the auxiliary cover 10 or 10 'and then together with the wire guide 6 or 6' with the aid of the working cylinder 7 or T spent in its working position. A knife 14 or 14 'for cutting off the wire-shaped material 2 is also attached to the wire guide 6 or 6'. The preload ring 16 or 16 'and the knife 14 or 14' are not restricted to the form shown in FIG. 19, but can be changed, as can the fastening points for the preload ring and the knife, depending on the respective requirements. With this arrangement, the length of the cut end piece of the wire-like material 2 on the full spool 1 becomes smaller than that in known devices of this type. This end piece is then guided in the space delimited by the covers 9, 10 and the pretensioning ring 16 or 16 ' .

In the eighth embodiment shown in FIGS. 21 to 23, one is in the outer peripheral wall or both main covers 9 or 9 '(and / or one or both auxiliary covers 10 or 10')

. inclined or inclined section provided. Those already described in the previous embodiments Parts are given the same reference numbers here. In Fig.21 is that of a rib or reinforcing rib 18 or 18 'bordered inclined portion of the main cover 9 or 9' in the area of the Ratchet wheel 5 or 5 '; this the outer cylindrical peripheral wall of the main cover (and / or auxiliary cover) forming inclined section is at a certain angle to the wire guide 6, 6 ' bearing piston of the working cylinder 7 formed. The rib 18 or 18 'delimits an opening 17 or

" XT, by which the auxiliary cover 10 or 10 'is freely movable. The main cover 9 or 9' has on its peripheral side at the lowermost end of the inclined section and near the piston of the wire guide 6 a gap 21 or 21 'open in the radial direction Introduction of the wire-like material 2. The coils 1, 1 ', the working cylinders 11, 11', 13, 13 ', 7 are designed in the same way as in the embodiments described above and move the main covers 9, 9' between the points d and d ' and the auxiliary covers 10, 10' between points e and e '. The main cover 9, 9' has a radial wall or rib 20 and 20 ', respectively, with an opening 19 and 19', respectively, which allow the spool 1 to pass therethrough or 1 'permitted at

The embodiment shown is also a cutting device or a knife 14 or 14 'on outer circumference of the auxiliary cover t0 or 10 'near the entry gap 21 or 21' of the main cover 9 or 9 'attached. A safety cover is designated by 22 or 22 '.

In the embodiment shown, the end portion of the wire-like material is not grasped by the pawl 12 of the reel 1 when the wire guide 6 is moved from point C to point C in order to initiate the pick-up or winding of the wire-like material onto the empty bobbin . By means of the knife 14 provided on the outer circumference of the auxiliary cover 10 in the vicinity of the entry opening 21 of the main cover, the length of the end section of the wire-shaped material is kept small. In addition, the safety cover 22 ensures that the end section does not lie on the bobbin 1 '.

The embodiment shown can also have a guide plate 23, 23 '(FIG. 23) on the main cover 9, 9', each of which contains a slot for guiding the end section of the wire-like material. By this guide plate 23, the separated end piece is even smoother and more uniformly to the inclined portion guided to the guide plate 23 carries the wire-shaped material 2, which extends between the first and second gripping position X or Y, such that the swing of the point Z is prevented by the pawl 12 'separated end portion and consequently the undesirable fluttering of this end portion is avoided. The severed end section of the wire-like material 2 is passed through the inclined section directly into the space formed by the covers 9 and 10 or 9 'and 10', so that the wire-like material 2 on the full bobbin 1 is also protected from damage by the end section is protected. In addition, since the end portion of the wire-like material 2 is gripped by the guide plate 23, the wire-like material extending between the guide plate 23 and the pick-up point of the spool 1 experiences a tension, so that it is in

to be detected in a reliable manner by the pawl 12 of the coil 1, thereby reducing errors in operation will.

One shown in FIG. The ninth embodiment illustrated in FIG. 24 includes additional guides 24 and 25, which can be used as

! 5 vibration dampers in the passage area of the wire-shaped Materials 2 are arranged between the coil 1 and 1 '. The guide 24 has the shape a cone which is connected to the wire guide 6 in such a way that the cone tip has a position occupies near the leading end of the wire guide 6 and is movable with this. The guide 25 is stationary attached so that a guide path 26 between the opposing surfaces of the guides 24 and 25 is formed. Through these guides 24 and 25, the vibrations of the wire-like material, after it is due to the combined effects of springback, centrifugal force and friction was separated, attenuated so that the end piece in the predetermined manner in a satisfactory manner Direction out and calmly or evenly in the intended for receiving the end piece Space is introduced.

For this purpose 1 6 sheets of drawings

Claims (15)

Patent claims: 1. Device for winding wire-shaped Material on spools with a cover for one spool each, the inner diameter of the Cover is larger than the outer diameter of the coil and the ratchet wheel arranged thereon and the cover is movable coaxially with the spool, characterized in that the cover consists of a main cover (9, 9 ') and an auxiliary cover (10, 10') which are different Have outer diameter that the main cover (9, 9 ') and the auxiliary cover (10, 10') at least partially overlap and a gap for passing through the wire-shaped material (2) form and that the inner diameter of the main and auxiliary cover (9, 9 '; 10, 10') is greater than the The outer diameter of the coils are (1.1 '). 2. Apparatus according to claim 1, characterized in that the main and auxiliary cover (9, 9 '; 10, 10 ') are movable relative to one another. 3. Device according to one of the preceding claims, characterized in that on the Main or auxiliary cover (9, 9 'or 10, 10') a guide element (15, 15 ') is attached 4. Apparatus according to claim 3, characterized in that that the guide element (15, 15 ') has an arcuate shape and on at least one the peripheral surfaces of the main or auxiliary cover (9.9 'or 10.10') is attached. 5. Apparatus according to claim 3 or 4, characterized in that the center point of the guide element (15, 15 ') is arranged eccentrically with respect to the axis of rotation of the coil (1, V). 6. Apparatus according to claim 3 or 4, characterized in that the center point of the guide element (15, 15 ') to the axis of rotation of the coil (1, Γ) is arranged concentrically and the inwardly facing open edge (15a, lSa '^ of the guide element (15.15 ') is beveled. 7. Device according to one of the preceding claims, characterized in that for Deflecting the wire-like material (2) in the area of the ratchet wheel (5, 5 ') outside of the Main and / or auxiliary cover (9, 9 '; 10, 10') arranged per se known wire guide (6, 6 ') is provided. 8. Apparatus according to claim 7, characterized in that the wire guide (6, 6 ') is a Pre-tensioning ring (16,16 ') is arranged. 9. Device according to one of the previous claims, characterized in that the outer peripheral wall of the main and / or auxiliary cover (9, 9 '; 10, 10') has an inclined section towards the wire guide (6, 6 ') and that when the main and auxiliary cover (9, 9 '; 10, 10') are partially overlapping, an entry gap (21, 2V) is formed at the lowermost end of the inclined section of the peripheral wall. 10. The device according to claim 9, characterized in that on the main cover (9, 9 ') in addition, a guide plate (23, 23 ') each containing a slot is arranged. 11. Device according to one of the preceding claims, characterized in that between the full bobbin (1) and the empty bobbin (Γ) vibration-damping guide elements (24, 25) are arranged along the movement path (26) of the end portion of the wire-shaped material (2). 12. Device according to one of the preceding claims, characterized in that on the outer peripheral wall of the auxiliary cover (10, 10 ') a cutting device (14,14') is arranged 13. Device according to one of the preceding claims, characterized in that the Cutting device (14,14 ') is attached to the wire guide (6, 6') 14. Device according to one of the preceding claims, characterized in that on the Wire guide (6, 6 ') a safety cover (22, 22') is arranged 15. Device according to one of the preceding claims, characterized in that the auxiliary covers (10, 10 ') have annular hollow beads (section A in F i g. O, 6.21).