EP0678469A2 - Mounting apparatus for creel - Google Patents

Abstract

Assembly device for bobbin creels, with at least one assembly device (11), which takes over full bobbins (12) from a bobbin supply on horizontal transport mandrels (13), which can be vertically adjusted by an endless conveyor (14), and with a bobbin carriage (15), which between the assembly device (11) and the creel can be moved and has the horizontal carriage mandrels (16) which are aligned with the creel mandrels of the creel in a transfer position of the coil carriage (15) and are held by a mandrel carrier (18) which is vertically adjustable.

In order to improve a placement device with the features mentioned above so that the height difference between a lowermost transport mandrel (13) and a lowermost coil mandrel can be taken into account with the aid of a simple coil carriage (15), it is designed such that the mandrel carrier (18) in is vertically limited adjustable, which is essentially determined by the difference between the lowest possible floor distance (x1) of a horizontal transport mandrel (13) of the loading device (11) and the floor distance of the lowest gate mandrel.

Description

The invention relates to a pick and place device for bobbin creel, with at least one pick and place device, which takes over full bobbins from a bobbin supply on horizontal transport mandrels, which can be vertically adjusted by an endless conveyor, and with a bobbin carriage that can be moved between the pick and place device and the bobbin case has horizontal carriage arbors, which are aligned with the gate mandrels of the creel in a transfer position of the coil carriage and are held by a mandrel carrier which is vertically adjustable.

A placement device with the aforementioned features is known from EP 0 467 101 A1. When the loading device is working, the transport mandrels are moved around a lower deflection wheel of this endless conveyor by the endless conveyor with which they are connected in a transport-proof manner. Since there are very large coil lengths, the transport mandrels must be correspondingly long. On the other hand, the transport mandrels must not touch the ground when the lower deflection wheel rotates. This cannot be ruled out if the lowest position of a transport mandrel of the endless conveyor has to be arranged comparatively close to the ground because the coil mandrel of the creel to be fitted is arranged accordingly close to the ground. It is now conceivable to design the assembly device in detail so that the bottom has a slot for the mandrel pass has that folding mandrels are used, which are created when rotating around the deflection wheel, or to raise the assembly device if necessary. All of the above options are obviously technically complex and unsatisfactory. It seems most sensible to equip the loading device in such a way that even its longest transport mandrel cannot touch the floor when it rotates around the lower deflection wheel. In this case, however, it is necessary to compensate for any height differences between the lowest position of a transport mandrel of the loading device and the lowest position of a coil mandrel of the creel.

From the aforementioned EP 0 467 101 A1, a bobbin carriage is known which is provided with a mandrel carrier which can be adjusted vertically in order to take slip patterns on the bobbin case into account. The mandrel carrier is designed as an endless rotating pair of chains with mandrel holding plates. With a special control it can be achieved that each horizontal carriage mandrel can be aligned with a coil mandrel of the creel. It is assumed that each horizontal carriage mandrel can run around a lower deflection wheel without hitting the ground. This coil carriage is obviously complex in terms of its mechanical design and in terms of the control of the drive that positions the horizontal carriage mandrels.

The invention is therefore based on the object of improving a placement device with the features mentioned at the outset so that the height difference between a lowermost transport mandrel and a lowermost coil mandrel can be taken into account with the aid of a simple coil carriage.

This object is achieved in that the mandrel carrier is vertically limited adjustable to an extent which is essentially determined by the difference between the lowest possible ground clearance of a horizontal transport mandrel of the loading device and the ground clearance of the lowest gate mandrel.

For the invention, it is important to recognize that a vertically limited adjustment of the mandrel carrier is sufficient to be able to compensate for the different ground clearances of a transport mandrel of the loading device and of a coil mandrel of the creel with such a coil carriage, while at the same time achieving a structurally simple design. The structurally simple design of the bobbin carriage is due to the fact that only a comparatively small vertical adjustment is required, which does not require a complex drive and a correspondingly complex drive control. Ultimately, it is important for the solution of the technical problem to carry out the limited vertical mobility in the area of the bobbin carriage, instead of in the area of the placement device, which has a comparatively complicated structure and in which the lifting in the area of this placement device when using a bobbin cart, in which the ground clearance of the wagon arbors is adapted to the ground clearance of the bobbin arbors of the creel, this would have to be done each time a mandrel rotates below.

The assembly device is advantageously designed such that the mandrel carrier is guided vertically back and forth in a support frame of the bobbin carriage. As a result, all parts of the mandrel carrier are only moved in two opposite directions, and the structural design can accordingly be simple. Such sliding guides are durable and require little maintenance.

It is particularly advantageous to design the loading device in such a way that the mandrel carrier has vertical rails which are guided so as to be vertically displaceable between rollers of the supporting frame. With these proven constructive means, the design of the mandrel carrier is advantageously adapted to the essentially vertical extent of the coil carriage frame.

If a piston-cylinder drive is available, which is supported on the one hand on the support frame of the bobbin carriage and on the other hand on the mandrel carrier, usual stroke paths of the mandrel carrier can be achieved be mastered. Such piston-cylinder drives are robust and not very expensive even when they have to move larger loads.

It is advantageous to design the loading device in such a way that the vertically limited adjustability can be carried out automatically by the loading device to the transfer position in front of the creel or back while the bobbin carriage is traveling. As a result, the workflow is not delayed by movements of the mandrel carrier.

The assembly device is designed in such a way that the carriage mandrels of the bobbin carriage are attached in rows and rows to a mandrel carrier designed as a linkage parallel to the creel. Such a mandrel carrier makes it possible to use a larger number of trolley spindles, so that only comparatively few trips of the spool trolley have to be carried out between the creel and the loading device. The boom is arranged horizontally or vertically. In particular, the mandrel carrier can be designed so that it can completely populate one side of a rotating frame of the creel. This simplifies the clarity of the processes during the operation of the creel and its reloading.

In a particularly advantageous manner, the assembly device is further developed in that the support frame of the bobbin carriage is designed as a bogie that can be moved with a chassis. As a result, the support frame and thus the mandrel carrier can be rotated relative to the chassis. This means a considerable increase in the possible uses of the bobbin carriage in conjunction with the positioning of the placement device relative to the creel. In particular, the placement device can be positioned on opposite sides of the bobbin carriage. As a result, it is possible to better adapt the placement device to the given spatial conditions of the entire winding installation.

An assembly device with a coil carriage, the support frame of which is designed as a bogie, can advantageously be further developed in that the mandrel carrier has wagon mandrels pointing in opposite directions. The bobbin carriage can then be equipped with twice the amount of bobbins, so that the time required to move the bobbin carriage between its loading position and the transfer positions in front of the creel is reduced accordingly.

It is advantageous to design the assembly device in such a way that the mandrel carrier can be adjusted vertically approximately according to the vertical distance between two gate mandrels. Although this means a somewhat larger adjustment path of the mandrel carrier than only for the height compensation between the transport mandrel closest to the floor of the assembly device and the coil mandrel closest to the ground of the creel. However, this ensures that the loading of the creel can be carried out more flexibly.

It is possible to design the placement device in such a way that the placement device has a centering device near the ground, which can be brought into engagement with different floor stops. As a result, it is possible to make optimum use of the universal applicability of the placement device by simply moving it between different working positions. In the case of a rail-bound method, it can, for example, be moved between two sides of the gate, e.g. alternately to be able to equip the coil carriages on both sides of the gate. With suitable equipment with steerable and lockable castors, it is possible to use them advantageously between freely selectable locations, e.g. between locations on different creel. It is then necessary to equip the assembly device with couplings for the energy supply.

A further development of the invention consists in designing the placement device in such a way that the placement device on the warping machine side of the creel and on the the side facing away from the creel of the bogie provided with a bogie is arranged. As a result of the arrangement of the placement device on the warping machine side, it is possible for the workplace of this placement device and the warping machine to be adjacent to one another. As a result, the placement device can be used when there is no need to work on the warping machine. However, work on the warping machine is increasingly reduced since the number of thread breaks always decreases. This results in a significant improvement in production with the overall system in that the same person can both sharpen and equip.

Fig.1

eine schematische Seitenansicht einer Bestückungsvorrichtung eines Spulengatters mit einer einzigen Bestückungseinrichtung, mit deren Hilfe zwei Spulenwagen zweier Gatterseiten bestückt werden,

Fig.2

eine Aufsicht auf eine Wickelanlage im Bereich des der Wickelmaschine abgewendeten Endes eines Spulengatters,

Fig.3

die Anordnung der Spulenwagen der Fig.1 im Bereich des Spulengatters in Übergabestellung ohne Darstellung der Bestückungseinrichtung,

Fig.4

eine Ansicht der Breitseite eines Spulenwagens mit davor angeordneter Bestückungseinrichtung und

Fig.5

eine Seitenansicht des Spulenwagens der Fig.4 und seiner Bestückungseinrichtung in Richtung des Pfeils A der Fig.4.

The invention is explained in more detail with reference to exemplary embodiments shown in the drawing. It shows:

Fig. 1

1 shows a schematic side view of an assembly device of a creel with a single assembly device, by means of which two coil carriages are assembled on two sides of the gate,

Fig. 2

a view of a winding system in the region of the end of a creel facing away from the winding machine,

Fig. 3

1 the arrangement of the bobbin wagons in FIG. 1 in the area of the bobbin creel in the transfer position without showing the loading device,

Fig. 4

a view of the broad side of a bobbin wagon with a placement device arranged in front of it and

Fig. 5

a side view of the coil carriage of Figure 4 and its placement device in the direction of arrow A of Figure 4.

The coil creel 10 shown in FIGS. 2, 3 consists of several rotating frames 17, which can each be rotated about an axis of rotation 26. Each rotating frame 17 carries a plurality of gate mandrels 19 arranged horizontally in a row on both sides, cf. 2 and several gate mandrels 19 arranged vertically in a row, cf. Fig. 3. Several rotating frames are each assigned to a gate side 27 or 28 and are at a distance from one another which is caused by the thread draw-off is when the threads of a plurality of coils 12 plugged onto the facing mandrels 19 of the gate sides 27, 28 between the gate sides are drawn off by a winding machine, for example by a warping machine. The mutually pointing mandrels 19 of the two gate sides 27, 28 can be freed from unwound bobbin tubes and can be equipped with full bobbins. After the loading and unwinding of the threads from the adjacent bobbins of the two gate sides 27, 28, the rotating frame 17 can be rotated and the gate mandrels 19 which are then on the outside can be re-equipped.

The gate mandrels 19 are equipped by means of coil carriages 15. A coil carriage 15 is assigned to each gate side 27, 28. Each bobbin carriage can be moved on a rail 29 and is secured against tipping over by a guide rail 30 by a support frame 20 of the bobbin wagon 15 being supported on the guide rail 30 by guide rollers 31. Each bobbin wagon 15 has a mandrel carrier 18 for wagon mandrels 16 for receiving full bobbins 12.

Each bobbin wagon 15 is to be filled with full bobbins 12 in an area which must be removed from a bobbin transfer position between the bobbin wagon 15 and the creel 10. Accordingly, the bobbin wagons 15 according to FIG. 2 are arranged, for example, in the rear bobbin area 33 opposite the winding machine for the threads. Here there is a loading device 11 with which the bobbin wagons 15 are loaded with full bobbins 12. The placement device 11 can be moved between the placement positions of the coil carriage 15 behind the gate end in the direction of the double arrow 34. In FIG. 2, the placement position of the placement device 11 adjacent to the right bobbin carriage 15 is shown with solid lines, while the position of the placement device 11 adjacent to the left bobbin carriage 15 is shown in dashed lines. In FIG. 1, the illustration is reversed, that is to say the placement device 11 has been correspondingly removed from the dashed position assigned to the right-hand coil carriage 15 Move the arrow 34 into the left loading position in front of the left coil carriage 15.

The loading device 11 has a plurality of transport mandrels 13, which are loaded with the full bobbins 12 by a person 35. The coils 12 are placed on the transport mandrels 13 facing away from the coil carriage 15, cf. also Fig. 5, bottom arrow. The transport mandrels 13 are then conveyed overhead according to the circular arrow 35 in FIG. 1 onto the side of the loading device 11 adjacent to the coil carriage 15. An endless conveyor 14 is used for this purpose, which essentially consists of two deflection wheels 36 and link chains guided above them, or a carrying belt 37, to which the supporting mandrels 13 are fastened with suitable stiffeners or brackets. As a result, the full bobbins 12 can be moved overhead easily according to FIGS. 1,4 and 5. The endless conveyor 14 is manually controlled or computer-controlled. It is designed so that the longest transport mandrel 13 caused by long coils can easily be passed vertically under the lower deflection wheel 36 without coming into contact with the floor or a frame part of the support frame 20 near the floor. There is sufficient distance x2.

For pushing full bobbins of yarn 12 from the loading device 11 onto a bobbin wagon 15 or onto the winder mandrel 16, the loading device 11 can be provided with pushing means as described in detail in EP 0 467 101 A1. It is important that the transport mandrels 13 are aligned with the carriage mandrels 16 when the full spools of thread 12 are pushed over, so that push-over can be achieved without being pushed. The lowest wagon mandrels 16 must therefore have the distance x1 from the floor, which corresponds to the lowest possible floor distance of a transport mandrel 13 if it is in a horizontal position in a transfer position, i.e. in the area of a transfer device or in any case in a position in which a full yarn spool is located 12 can be transferred from the assembly device 11 to the coil carriage 15 as intended.

On the other hand, because of the clearance x2 also required for long mandrels 13, the lowest possible floor distance x1 of a horizontal transport mandrel 13 is generally higher than the floor distance x3 of a lowermost gate mandrel 19, cf. Fig. 3. In order to be able to compensate to this extent, the bobbin carriage 15 is provided with a mandrel carrier 18 which can be adjusted vertically to a limited extent. 1 shows the mandrel carrier 18 vertically adjusted upwards and FIG. 3 shows it vertically adjusted downwards. For this purpose, the mandrel carrier 18 is provided with vertical rails 21 which are parallel to the support frame 20 or its longitudinal extent. The support frame 20 has rollers 22 attached to it, which are arranged in pairs. Between two rollers 22, one of the rails 21 is guided vertically and with one degree of freedom against lateral tilting. The back and forth movement of the mandrel carrier 18 is carried out by a piston-cylinder drive 23, which is arranged below the mandrel carrier 18. This drive 23 is supported with its cylinder on the support frame 20 and with its piston rod on the mandrel carrier 18. The support is articulated to the extent necessary. The weight of the mandrel carrier 18 moves the drive 23 into its rest position when it is not under pressure. This rest position corresponds with respect to the height of the wagon mandrels 16 to the floor distance x3 of the lowest gate mandrels 19. Only in the case of assembly, that is, when the coil carriage 15 is to be assembled by the assembly device 11, the wagon arbors 16 must be raised by the mandrel carrier 18, so that the drive 23 only then to be applied. As a result of this short time of loading the coil carriage, the energy expenditure for the drive 23 is low.

It can be seen from FIGS. 4, 5 that the loading device 11 has an endless conveyor 14, the transport mandrels 13 of which are arranged in one row. In comparison, the carriage arbors 16 of this embodiment of the coil carriage 15 are arranged in rows and rows. The mandrel carrier 18 is accordingly a linkage composed of a plurality of mandrel rods 45 arranged in rows one above the other, to which the carriage pins 16 are fastened in rows one above the other. Such a mandrel carrier 18 can also be acted upon by a piston-cylinder drive 23 with appropriate guidance in the support frame 20. It is but also possible to integrate it when using a bogie. A piston-cylinder drive 23 of the mandrel carrier 18 was not shown in FIGS. The design of the bobbin wagon 15 with regard to the number and arrangement of its wagon mandrels 16 is matched to the rotating frame 17 of the bobbin creel 10, so that a rotating frame 17 can be completely or one side of a rotating frame can be loaded with a load of a bobbin wagon 15.

For all coil carriages 15 it applies that they can be designed so that their carriage mandrels 16 can be adjusted approximately according to the vertical distance 25 between two mandrels 19. This adjustability can be used for special assembly tasks, e.g. to influence placement patterns or to fit gates with vertically offset division.

A coil carriage 15 with a specially designed support frame 20 is shown in FIGS. This support frame 20 is designed as a bogie and supported by a chassis 24. The chassis 24 has a support plate 39, which has a central bearing 40 in its center, which rests on a transverse axis 41, at the ends of which rollers 42 are attached to support the frame 20 against tilting. On both sides of the central bearing 40, the support frame 20 is provided with further support devices 43 which keep it horizontal. The axis of rotation of the support frame is determined by a bearing pin 44 which engages in the chassis 24.

The coil carriage 15 of Fig.4.5 has the special feature that carriage pins 16 are present on both sides of the mandrel carrier 18. They are in alignment and oriented in opposite directions. As a result, the bobbin carriage 15 can be loaded on both sides, for which purpose it can be rotated by 180 ° after the loading of one side due to its bogie and then loaded again. With a bobbin carriage of this type, two rotating frames 17 can therefore each be loaded in half after the bobbin assembly 11 has been fitted, without the bobbin wagon 15 having to do this from a transfer position in the area of the bobbin to an assembly device 11 and back again should be followed. In addition, the coil carriage also offers the possibility of using the placement device 11 variably. In fact, it could be arranged on the other side of the rail 29 in FIG. The wagon pins 16 equipped from there can be directed towards the reel pins 19 by rotating the support frame 20. Such an arrangement is particularly advantageous if the warping machine is used. A bogie of the coil carriage 15 is then absolutely necessary, but not a two-sided arrangement of carriage arbors 16.

Claims (11)

Assembly device for bobbin creel (10), with at least one assembly device (11), which takes over full bobbins (12) from a bobbin supply onto horizontal transport mandrels (13), which can be vertically adjusted by an endless conveyor (14), and with a bobbin carriage (15) , which can be moved between the loading device (11) and the creel (10) and has the horizontal wagon mandrels (16) which are aligned with the creel mandrels (19) of the creel (10) in a transfer position of the reel carriage (15) and from a mandrel carrier (18) which is vertically adjustable, characterized in that the mandrel carrier (18) can be adjusted vertically to a degree which essentially depends on the difference in the lowest possible ground clearance (x1) of a horizontal transport mandrel (13) of the loading device (11 ) and the distance from the floor (x3) of the lowest gate mandrel (19) is determined. Device according to claim 1, characterized in that the mandrel carrier (18) is guided vertically back and forth in a support frame (20) of the bobbin carriage (15). Apparatus according to claim 1 or 2, characterized in that the mandrel carrier (18) has vertical rails (21) which are guided so as to be vertically displaceable between rollers (22) of the supporting frame (20). Device according to one or more of claims 1 to 3, characterized in that a piston-cylinder drive (23) is provided which is supported on the one hand on the support frame (20) of the bobbin carriage (15) and on the other hand on the mandrel carrier (18). Device according to one or more of claims 1 to 4, characterized in that the vertically limited adjustability during the travel of the bobbin carriage (15) can be carried out automatically by the loading device (11) for the transfer position in front of the bobbin creel (10) or back. Device according to one or more of claims 1 to 5, characterized in that the carriage mandrels (16) of the bobbin carriage (15) are attached in rows and rows to a mandrel carrier (18) designed as a linkage parallel to the creel. Device according to one or more of claims 1 to 6, characterized in that the support frame (20) of the bobbin carriage (15) is designed as a bogie which can be moved with a chassis (24). Device according to claim 7, characterized in that the mandrel carrier (18) has wagon mandrels (16) pointing in opposite directions. Device according to one or more of Claims 1 to 8, characterized in that the mandrel carrier (18) can be adjusted vertically approximately according to the vertical distance (25) between two gate mandrels (19). Device according to one or more of claims 1 to 9, characterized in that the fitting device (11) has a centering device near the floor which can be brought into engagement with different floor locks. Apparatus according to claim 8 or 9, characterized in that the loading device (11) is arranged on the warping machine side of the coil creel (10) and on the side of the coil carriage (15) provided with a bogie which is turned away from the coil creel (10).

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