EP0561128B1 - Winding method and apparatus - Google Patents

Winding method and apparatus Download PDF

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Publication number
EP0561128B1
EP0561128B1 EP93101351A EP93101351A EP0561128B1 EP 0561128 B1 EP0561128 B1 EP 0561128B1 EP 93101351 A EP93101351 A EP 93101351A EP 93101351 A EP93101351 A EP 93101351A EP 0561128 B1 EP0561128 B1 EP 0561128B1
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EP
European Patent Office
Prior art keywords
package
winding
winding drum
limit position
bearing
Prior art date
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Expired - Lifetime
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EP93101351A
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German (de)
French (fr)
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EP0561128A1 (en
Inventor
Anton Rüegg
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kiefel Extrusion GmbH
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4135—Movable supporting means
    • B65H2301/41358—Movable supporting means moving on an arc of a circle, i.e. pivoting supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/43—Rider roll construction

Definitions

  • the invention relates to a method according to the preamble of claim 1 and a device for Implementation of this procedure according to the preamble of Claim 2.
  • Devices of this type are known. They are used for the first winding or wrapping fabrics, nonwovens, papers, Films or composite materials that are plastic and / or can be elastically deformable, a Have adhesive coating or shrink properties can, and their dimensions and material properties in every relationship can be very different.
  • Such winders are often used for Wrapping plastic films in one upstream blow or slot extruder are generated.
  • the diameters and lengths of the winding cores and the Outside diameters of the coils can be very different.
  • the thicknesses of the materials to be wound are in the Range from 5 - 1000 ⁇ m, and the speeds of the fed material ranges between 1 and 1000 m / min.
  • the wraps must be of high quality, which among other things means that the material has no digits Overstretching or tearing may have that none Folds are formed and that is so tightly wrapped that the individual winding layers are not around the winding core slide and do not telescope towards the Move the winding core axis.
  • One is also required consistently high working speed, and around this To meet the requirement is to replace the finished one Winding through an empty winding core while the winder is running intended. Such a flying change must be possible can be carried out without loss of material.
  • the system pressure or the distance between the winding and Winding drum constant and in during a winding process Adaptation to the material to be wound can be adjustable.
  • a winder is known on which Windings are generated in the system winding, ie under Place the winding drum on the resulting winding.
  • Winders are both the Winding cores as well as the winding drum driven.
  • the Winding cores are in one during the winding process stationary winding core carrier added what one as called 'static' storage.
  • the winding drum is Slidably mounted perpendicular to their axis of rotation, which one referred to as 'dynamic' storage. Compared to one Arrangement in which the winding or the winding cores 'dynamic' and the winding roller are 'static', This has the advantage that the system pressure is no problem can be kept at a constant value.
  • This winder is that the Winding drum is shifted over a distance that is approximately like this is the same as the difference in radius between the winding core and the finished wrap. As a result, the Loss of material that occurs when a wound winding core against an empty winding core occurs, is relatively large. You can also use this winder can only be wound in the investment process, so that he was not used to process materials can be in the gap or gap winding process need to be wound, i.e. where the Winding drum and the winding during the winding process not allowed to touch.
  • the one in this Documentation described winding device for Material webs has a winding drum, which means a piston-cylinder unit to the circumference of a winding is pressed.
  • the winding drum gets bigger becoming winding against their rear limit position.
  • Has the winding drum reaches this rear limit position a limit switch is actuated.
  • the wrap by means of a drive arrangement a certain distance away is moved by the winding drum.
  • the latter follows this Movement of the winding under the action of the piston-cylinder unit. This movement of the winding drum ends as soon as the drive arrangement moving the reel stops.
  • Winding drum through the length of the path of movement of the winding is determined, i.e. through the respective holding of the wrap.
  • the winding drum is thus each made of the stationary, rear limit position defined by the limit switch is moved out to front end positions by the respective stops of the winding are determined.
  • the movement of the winding drum from the rear limit position controlled out solely by the movement of the wrap.
  • US-A-3,670,980 discloses an apparatus for controlling the Contact pressure between a winding drum and a winding shown and described. On an arm carrying the wrap attacks a piston-cylinder unit, which up to Reaching the desired contact pressure between the Winding drum and the arm pivoted the winding. Once the Contact pressure corresponds to the desired pressure, there is no Swivel this arm more.
  • the new winder can be used for system windings as well can be used for gap windings. He unites to some extent the advantages of a 'static' storage of the Winding drum, i.e. the low loss of material during Change of winding core, with the advantages of a 'static' Storage of the winding core or the winding, i.e. the good ones Adjustability of the system pressure or the distance.
  • the winding drum is probably 'dynamically' mounted, shifted but not only continuously away from the winding core over a relatively large one Distance, but returns periodically in one step to their Starting position back. The distance the winding drum must overcome when changing the winding core, small so the resulting material loss is reduced.
  • the winding core holder is 'static' and therefore for a precise regulation stored cheaply than at continuous backward movement of the winding roller stationary stays and is only in sync with the forward directed steps of the winding drum so that the system pressure or gap remains constant.
  • the new winder can also be used for gap winding become.
  • the winding core must be motorized are driven.
  • the winding drum can also be driven by a motor, but it can only indirectly driven by the material to be wound up be and serve the orderly material supply.
  • the system pressure should be when slitting the gap or the distance between the lateral surface of the Winding drum and the outermost winding of the emerging winding be as constant as possible.
  • the Winding roller can also initially with slit winding blocked winding core backwards and then afterwards Reach their rear limit position in their front Move back to the limit. When moving the Winding roller, the winding core remains stationary at her It moves forward synchronously so that the mutual distance is maintained.
  • the new winder can also be selected by a suitable choice Operating mode can be used like a conventional winder for both system and gap winding. This is particularly desirable when there are no problems Materials need to be wrapped.
  • FIG. 1 shows a web 2 of the material to be wound, that over a deflection and / or tension roller 4 and over a Winding drum 6 runs to an emerging winding 8.
  • This winding 8 is on a sleeve-shaped winding core 10, for example made of steel, cardboard or plastic, wound parallel to the axis 12 of the winding drum 6 is arranged.
  • the winding core 10 is rotatable in one Winding core bearing 14 added to the top two Ends of a pair of lever arms 16 is provided.
  • An engine 18 and an endless drive 20 serve as a drive device for the winding core 10. As described above, this can Drive device switched off in certain cases , namely when the winder is a pure system - i.e. Contact winder is operated, the winding core only indirectly through the winding drum lying against the winding is rotated.
  • Blocking device 28 a piston rod 26 of a fluid-operated, for example Blocking and depositing device, hereinafter referred to as Blocking device 28 referred to, articulated.
  • This Blocking device 28 consists essentially of a Cylinder 30, the interior of which on a piston rod 26 attached piston 32 in a first chamber 34 and in a second chamber 36 is divided.
  • the cylinder 30 is articulated at its end adjacent to chamber 36 supported a shaft 38.
  • the winding drum 6 is rotatable in a carriage 40 stored, which can be moved practically without friction, for example via a ball or roller bearing 42 not a fixed part 44 of the further shown stand of the winder is arranged.
  • the Winding drum 6 is an endless drive 46 and a drive device having a motor 48 in rotation transferred. If the winding 8 is driven by a motor, so can, as described above, this drive device the winding drum 6 can be switched off. This is e.g. the Case when the winder is used for gap winding whatever is necessary because of the properties of the material to be wound up no pressure on the resulting Wraps may be exercised.
  • the drive device of the Winding drum 6 can also be switched off when the System pressure should be very small, so that an indirect Drive of the winding 8 by the winding drum 6 no longer is possible or would not suffice.
  • the winding drum 6 can also, together with the Carriage 40, linear (and horizontal in Fig. 1) between a front limit position (left in Fig. 1) and one rear limit position (right in Fig. 1) back and forth push out; in Fig. 1 take the carriage 40 and the Winding drum 6 a middle position between the two Limit positions, and the length of the displacement path indicated by a double arrow A.
  • the stationary part 44 of the winder has a front Limit switch 50 and a rear limit switch 52 on the together with a housing part 54 of the carriage 40 which they can be operated, a detector arrangement form. Due to the position of the limit switches 50 and 52 Limit positions are defined, between which the sled 40 can move.
  • Piston rod 58 on which to a, here fluid-operated, Actuator 60 belongs.
  • the other end of the Piston rod 58 is attached to a piston 62, which Inside of a cylinder 64 into a first front chamber 66 and divided into a second, rear chamber 68.
  • This second chamber 68 is via a pressure fluid reservoir 70 and an adjusting device 72, for example a Proportional valve, to a pressure source or a pressure network 74 connected. It is essential that the volume of the pressure fluid reservoir 70 is very much larger than that Volume or the possible change in volume of chamber 68.
  • Limit switches 50 and 52 are on lines 76 and 78, respectively connected to a hydraulic device 80, and this Hydraulic device 80 is connected by lines 82 and 84 the chambers 36 and 34 of the blocking device 28 connected.
  • the mode of operation of the components described so far is - based on their position shown in FIG. 1 - the following:
  • the winding drum 6 and the winding 8 rotate, driven by a motor or indirectly, about their axes.
  • the web 2 fed thereby via the winding drum 6 is continuously wound onto the winding 8, so that its outside diameter is constantly increasing.
  • the pair of lever arms 16 with the winding core bearing 14 is by means of the blocking device 28 pneumatic, hydraulic or mechanically blocked in its current position.
  • the desired system pressure is preselected, which is used to set the pressure determined in the pressure fluid reservoir 70 and in the chamber 68.
  • This pressure acts on the piston 62, which over the Piston rod 56 a (directed to the left in Fig. 1) Exerts force on the carriage 40 and thus the desired System of the winding drum 6 caused on the winding 8.
  • the Winding 8 is used because of the blocking of Winding core 10 to a certain extent as an adjusting device for the Winding drum 6 and exerts a force on this, which in essentially the force of the adjusting device 60 opposite and larger than this.
  • the limit switch 52 activated by the housing part 54 now delivers via line 78 to fluid device 80 Signal whereupon fluid device 80 blocks the Lever arm pair 16 with the winding core receptacle 16 releases.
  • fluid device 80 blocks the Lever arm pair 16 with the winding core receptacle 16 releases.
  • the pair of lever arms 16 now according to arrow B in Fig. 1 can swing out, which is due to the enlarging Wind 8 exerted on the winding drum 6 force substantially reduced to the winding weight while the by the blocking device 28 on the winding 8 on the Winding drum 6 applied force is eliminated. This is why under the action of the actuator 60 with a left-facing movement to its front limit position pushed so that the housing part 54 the limit switch 50th operated.
  • the limit switch 50 subsequently delivers via line 76 a signal to the fluid device 80. Thereupon blocked the fluid device 80 via the blocking device 28 again the pair of lever arms 16 with the winding core bearing 14. This blocking prevents the continuation of the Winding process of the enlarging winding 8 according to its radius increase of the winding drum 6 can dodge. To make room for its increasing volume received, the winding 8 therefore pushes the winding drum 6 again continuously backwards (to the right in Fig. 1), until all parts again the position shown in Fig. 1 take what a sequence of movements is completed.
  • This sequence of movements thus consists of one continuous backward movement of the winding drum 6 to to their rear limit position, the winding core bearing 14 is held stationary with the winding 8, and from a then carried out in one step Forward movement of the winding drum 6 in its front Limit position, the winding core bearing 14 with the winding 8 executes a synchronous step such that the selected system pressure remains constant.
  • This next winding core 10 is in two in FIG. 1 Positions shown, namely under 86 in a waiting position and under 88 shortly before the transition to the winding core storage 14.
  • the system pressure the exact compliance when winding certain materials an essential condition for generating a is of good quality, in the simplest way and is still kept sufficiently constant almost constant. This only happens via the control device, via which the target value is set, i.e. without Feedback of a measured actual value of the system pressure. Due to the relatively large volume of the pressure fluid reservoir the pressure in chamber 68 changes Setting device 60 and thus the system pressure of the Winding drum 6 on the winding 8 only in the range of 1%, with what sufficient accuracy is guaranteed. In a This accuracy is sufficient for a large number of application areas, which with an economical, simple and reliable construction is achieved.
  • FIG. 2 are different Components of the device according to FIG. 1 also shown and with the same transfer symbols Mistake.
  • the device according to FIG. 2 other components described below.
  • the winding drum 6 is on its housing 54 or on a cylinder fork 90 arranged thereon with Strain gauges 92 provided, which the actual value of the adjusting device 60 via the winding drum 6 on the Determine winding 8 acting system pressure.
  • the Strain gauges 92 are connected via a line 94 to the Setting device 72 which is arranged around a comparison unit 73 is expanded, connected.
  • chamber 66 of actuator 60 is over another pressure fluid reservoir 96 and another Adjustment device 98 with the pressure source or the Print network 74 connected.
  • This encoder 100 replaces functionally the limit switches 50 and 52, but as Safety switch and / or when the encoder is switched off for operation of the winder according to FIG. 1 relevant description can be retained.
  • the Encoder 100 is connected via lines 101, 102 to the Fluid device 80 and via line 101 and a Line 103 connected to the adjusting device 72.
  • the strain gauges 92 indirectly determine the actual value of the system pressure and deliver a corresponding signal via line 94 to the setting device 72, which signal is compared by the comparison device 73 with the set target value of the system pressure. If the actual value deviates from the target value, the set value changes automatically.
  • the timing chain for the system pressure acc. 1 has thus been replaced by a control circuit in the device according to FIG. 2, which is more complex to manufacture but results in an even more precise maintenance of the desired system pressure in operation.
  • the way or Incremental encoder 100 continuously determines the respective position of the carriage 40 or the winding drum 6. It delivers the data via lines 101 and 102 Fluid device 80 corresponding signals when the Carriage 40 reached one of its limit positions.
  • the rear limit position causes the fluid device 80, that the blocking device 28 the lever arm pair 16 releases so that it is under the effect of Actuator 60 rotates counterclockwise.
  • the front limit position causes the Fluid device 80 a new blockage of the Lever arm pair 16, so that the winding drum 6 again their rear end position is pushed shut.
  • the earlier described movement sequences, or the forward and Backward movements of the carriage 40 are shortened, i.e. that the distance between the boundary layers is reduced.
  • the continuous backward shift and the forward directed step of the carriage 40 or the winding drum So 6 are becoming more frequent and shorter.
  • the displacement of the winding 8 also in smaller intervals and over smaller distances, i.e. in smaller steps takes place. So you get one calmer running of the facility.
  • the Principle of operation the same as described above, where the distance between the boundary layers on one can decrease infinitesimal value.
  • the sequences of movements thereby go into a barely visible vibration between the very close border areas.
  • the Winding drum 6 remains essentially throughout Winding process in the same position and the fluid device controls the movement of the Lever arm pair 16 with the winding core bearing 14 so that a continuous movement of the winding 8 in Counterclockwise takes place. But this does not mean that the establishment in the manner of a conventional With a fixed winding drum and without Control or with slow control of the system pressure is working.
  • the winding drum 6 is in terms of its forward and Backward movements to a certain extent floated and control of the movements of the pair of lever arms 16 and so that the winding 8 is fluid operated and thus inertia-free.
  • Winders can also be operated in a conventional manner, i.e. without system pressure control and without shifting the Winding drum 6.
  • the winding drum 6 is in one certain position, generally in its front End position recorded. Blocking the pair of lever arms 16 with the winding 8 is released. When winding up the The lever arm pair 16 also pivots with the material the winding 8, the radius of which is continuously increasing, under which Pressure of the stationary winding drum 6 continuously in Counterclockwise until the wrap 8 reaches its final size has reached.
  • Fig. 3 shows a very simplified one for gap winding trained winder with several components, which at the Devices according to Figures 1 and 2 described have been; these are also the same Transfer money provided.
  • the additional components serve to contact with the winder, so perform so-called gap or spacing windings.
  • a winder according to the invention as a pure slit winder or switchable as a system and slit winder (and of course can also be designed as a pure system winder); the Components for gap winding can be in addition to Components that are only required for system development to be ordered.
  • An optical or is new for the gap winding electronic sensor device 104 provided in generally with photocells through which the winding gap, i.e. the distance between each extreme Material layer of the winding 8 and the outer surface of the Winding drum 6 is determined.
  • the sensor device 104 with an adjusting device 105 is via a line 106 connected to an actuator 108.
  • This actuator 108 connects both the chamber 68 of the actuating device 64 with the pressure fluid reservoir 70 as well as the chamber 66 of the Actuating device 64 with the pressure fluid reservoir 96.
  • the mode of operation of these components is as follows:
  • the pair of lever arms 16 with the winding core 8 and the winding drum 6 are initially blocked against movements perpendicular to their axes.
  • the winding core 10 is driven by a motor, as a result of which the web 2 winds up on it after passing over it driven winding drum 6 has run.
  • the winding gap is reduced if material wound up during the winding process with a pair of lever arms 16 blocked increases the radius of the winding 8.
  • the sensor device 104 activates the actuating device 60 via the line 106 and the actuator 108 in such a way that the carriage 40 is moved to the right with the winding drum 6.
  • the winding and the backward displacement of the carriage 40 are continued until the arrival of the winding drum 6 in the rear limit position is determined by the corresponding sensor device, ie the limit switch, the displacement encoder or the incremental encoder.
  • the blocking of the pair of lever arms 16 and the effect of the adjusting device pushing the winding drum to the right is interrupted in the manner already described.
  • the adjusting device 60 now pushes the winding drum 6 back into its front limit position, and at the same time the pair of lever arms 16 rotates counterclockwise to the extent that the gap is retained.
  • the winder can also be conventional Way used as a slit winder, taking the The winding drum is blocked in a fixed position.
  • the gradual movement of the pair of lever arms with the winding is from a stationary sensor device in this case or light barrier controlled.
  • a light beam monitors the Distance between winding drum and winding.
  • the light barrier works via the control device to the actuator, which in consequently the pivoting of the pair of lever arms in the Counterclockwise caused. This increases the Distance between the winding and the winding drum so long until the light barrier sends a signal to end this Movement of the pair of lever arms gives. All of these operations are repeated until there is so much material on the winding is wound that its final diameter has reached.
  • the Winding drum on a linearly movable slide and the wrap on a pivotable pair of lever arms arranged. But it is also possible to turn the winding drum on a pair of lever arms and / or the wrap on a linear to arrange sliding carriage.

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  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

Method and apparatus for winding material webs onto winding cores. A material web is fed via a winding drum (6) to the winding core (10) or package (8). The winding drum (6) is displaceable, and the package (8) is blocked against displacement during the winding operation. An adjusting device (60) keeps the winding drum (6) under constant pressure against or at a constant distance from the package. With the growing package (8), the winding drum (6) is displaced counter to the force of the adjusting device (60) into one limit position. When this is reached, the blocking of the package is released and the adjusting device (60) pushes the winding drum (6) into another limit position, whereupon the package (8) is blocked again. This sequence of movement is repeated until the package (8) is completed. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren nach dem Oberbegriff des Patentanspruchs 1 sowie eine Vorrichtung zur Durchführung dieses Verfahrens nach dem Oberbegriff des Patentanspruchs 2.The invention relates to a method according to the preamble of claim 1 and a device for Implementation of this procedure according to the preamble of Claim 2.

Vorrichtungen dieser Art sind bekannt. Sie dienen zum Erst-Aufwickeln oder Um-Wickeln von Geweben, Vliesen, Papieren, Folien oder Verbundmaterialien, die plastisch und/oder elastisch verforbarmbar sein können, eine Klebstoffbeschichtung oder Schrumpfeigenschaften aufweisen können, und deren Abmessungen und Materialeigenschaften in jeder Beziehung sehr verschieden sein können.Devices of this type are known. They are used for the first winding or wrapping fabrics, nonwovens, papers, Films or composite materials that are plastic and / or can be elastically deformable, a Have adhesive coating or shrink properties can, and their dimensions and material properties in every relationship can be very different.

Eine häufige Verwendung solcher Wickler erfolgt zum Aufwickeln von Kunststoffolien, die in einem vorgeschalteten Blas-oder Schlitzextruder erzeugt werden.Such winders are often used for Wrapping plastic films in one upstream blow or slot extruder are generated.

Die Durchmesser und Längen der Wickelkerne und die Aussendurchmesser der Wickel können sehr verschieden sein. Die Dicken der aufzuwickelnden Materialien liegen im Bereich von 5 - 1000 µm, und die Geschwindigkeiten des zugeführten Materials bewegen sich zwischen 1 und 1000 m/min. The diameters and lengths of the winding cores and the Outside diameters of the coils can be very different. The thicknesses of the materials to be wound are in the Range from 5 - 1000 µm, and the speeds of the fed material ranges between 1 and 1000 m / min.

Die Anforderungen an diese Wickler sind sehr vielfältig, entsprechend den Eigenschaften, Abmessungen und Zufuhrgeschwindigkeiten der aufzuwickelnden Materialien sowie den Abmessungen und Gewichten der zu erzeugenden WickelThe demands on these winders are very diverse, according to the properties, dimensions and Feed speeds of the materials to be wound as well as the dimensions and weights of those to be generated Wrap

Die Wickel müssen von hoher Qualität sein, was u.a. bedeutet, dass das Material keine Stellen mit Ueberdehnungen oder Anrissen aufweisen darf, dass keine Falten gebildet werden und dass so fest gewickelt wird, dass die einzelnen Wickellagen nicht um den Wickelkern rutschen und sich nicht teleskopartig in Richtung der Wickelkernachse verschieben. Gefordert ist ausserdem eine durchgehend hohe Arbeitsgeschwindigkeit, und um dieser Forderung nachzukommen, ist eine Auswechslung des fertigen Wickels durch einen leeren Wickelkern bei laufendem Wickler vorgesehen. Ein solcher fliegender Wechsel muss möglichst ohne Materialverlust durchgeführt werden. Im weiteren soll der Anlagedruck bzw. der Abstand zwischen Wickel und Wickeltrommel während eines Wickelvorganges konstant und in Anpassung an das zu wickelnde Material einstellbar sein.The wraps must be of high quality, which among other things means that the material has no digits Overstretching or tearing may have that none Folds are formed and that is so tightly wrapped that the individual winding layers are not around the winding core slide and do not telescope towards the Move the winding core axis. One is also required consistently high working speed, and around this To meet the requirement is to replace the finished one Winding through an empty winding core while the winder is running intended. Such a flying change must be possible can be carried out without loss of material. In the further should the system pressure or the distance between the winding and Winding drum constant and in during a winding process Adaptation to the material to be wound can be adjustable.

Aus der Er-A-0 394 197 ist ein Wickler bekannt, auf welchem Wickel in Anlagewicklung erzeugt werden, dh also unter Anlage der Wickeltrommel am entstehenden Wickel. Bei diesem Wickler werden während des Wickelvorganges sowohl die Wickelkerne als auch die Wickeltrommel angetrieben. Die Wickelkerne sind in einem während des Wickelvorganges ortsfesten Wickelkernträger aufgenommen, was man als 'statische' Lagerung bezeichnet. Die Wickeltrommel ist senkrecht zu ihrer Drehachse verschiebbar gelagert, was man als 'dynamische' Lagerung bezeichnet. Verglichen mit einer Anordnung, bei welcher die Wickel, bzw. die Wickelkerne 'dynamisch' und die Wickelwalze 'statisch' gelagert sind, hat dies den Vorteil, dass der Anlagedruck problemlos auf einem konstanten Wert gehalten werden kann. Diese Konstanthaltung des Anlagedruckes wird bei einer 'dynamischen' Lagerung der Wickel dadurch erschwert, dass deren Abmessungen und Gewichte sich im Laufe des Wickelvorganges ändern und hohe Werte annehmen können. Beim erwähnten Wickler wird die Wickeltrommel bei der Erzeugung eines Wickels aus einer vorderen Lage in der Nähe des Wickelkernes beim Beginn des Wickelvorganges durch den grösser werdenden Wickel in eine hintere Lage verschoben, und zwar gegen die Kraft einer Stellvorrichtung, welche dazu dient, den Anlagedruck zwischen Wickeltrommel und Wickel konstant zu halten, was für die Erzeugung eines qualitativ guten Wickels erforderlich ist.From Er-A-0 394 197 a winder is known on which Windings are generated in the system winding, ie under Place the winding drum on the resulting winding. With this Winders are both the Winding cores as well as the winding drum driven. The Winding cores are in one during the winding process stationary winding core carrier added what one as called 'static' storage. The winding drum is Slidably mounted perpendicular to their axis of rotation, which one referred to as 'dynamic' storage. Compared to one Arrangement in which the winding or the winding cores 'dynamic' and the winding roller are 'static', This has the advantage that the system pressure is no problem can be kept at a constant value. This The system pressure is kept constant at a 'Dynamic' storage of the winding is complicated by the fact that whose dimensions and weights change over the course of the Change winding process and can assume high values. At the mentioned winder is the winding drum in the production a wrap from a front location near the Winding core at the beginning of the winding process by the larger wrap moved to a rear position, and against the force of an actuator, which serves the system pressure between winding drum and winding to keep constant what is qualitative for generating a good wrap is required.

Der Nachteil dieses Wicklers besteht darin, dass die Wickeltrommel über eine Strecke verschoben wird, die etwa so gross ist wie der Radiusunterschied zwischen dem Wickelkern und dem fertigen Wickel. Das hat zur Folge, dass der Materialverlust, der beim fliegenden Auswechseln eines bewickelten Wickelkernes gegen eine leeren Wickelkern auftritt, verhältnismässig gross ist. Ausserdem kann mit diesem Wickler nur im Anlageverfahren gewickelt werden, so dass er nicht zur Verarbeitung von Materialien eingesetzt werden kann, die im Spalt- oder Abstandswickelverfahren gewickelt werden müssen, d.h. bei denen sich die Wickeltrommel und der Wickel während des Wickelvorganges nicht berühren dürfen.The disadvantage of this winder is that the Winding drum is shifted over a distance that is approximately like this is the same as the difference in radius between the winding core and the finished wrap. As a result, the Loss of material that occurs when a wound winding core against an empty winding core occurs, is relatively large. You can also use this winder can only be wound in the investment process, so that he was not used to process materials can be in the gap or gap winding process need to be wound, i.e. where the Winding drum and the winding during the winding process not allowed to touch.

Aus der US-A-3, 834, 642 ist ein Verfahren und eine Vorrichtung der eingangs genannten Art bekannt. Die in dieser Druckschrift beschriebene Wickelvorrichtung für Materialbahnen weist eine Wickeltrommel auf, die mittels einer Kolben-Zylindereinheit an den Umfang eines Wickels angedrückt wird. Die Wickeltrommel wird durch den grösser werdenden Wickel gegen ihre rückwärtige Grenzlage bewegt. Hat die Wickeltrommel diese ruckwärtige Grenzlage erreicht, wird ein Endschalter betätigt. Das hat zur Folge, dass der Wickel mittels einer Antriebsanordnung um eine gewisse Strecke weg von der Wickeltrommel bewegt wird. Letztere folgt dieser Bewegung des Wickels unter der Wirkung der Kolben-Zylindereinheit. Diese Bewegung der Wickeltrommel endet, sobald die den Wickel bewegende Antriebsanordnung stoppt. Dies bedeutet, dass die Länge des Bewegungsweges der Wickeltrommel durch die Länge des Bewegungsweges des Wickels bestimmt ist, d.h. durch die jeweiligen Halte des Wickels. Die Wickeltrommel wird somit jeweils aus der ortsfesten, rückwärtigen Grenzlage, die durch den Endschalter definiert ist, heraus in vordere Endlagen bewegt, die durch die jeweiligen Halte des Wickels bestimmt sind. Demzufolge wird die Bewegung der Wickeltrommel aus der rückwärtigen Grenzlage heraus allein durch die Bewegung des Wickels gesteuert.From US-A-3, 834, 642 is a method and an apparatus of the type mentioned above. The one in this Documentation described winding device for Material webs has a winding drum, which means a piston-cylinder unit to the circumference of a winding is pressed. The winding drum gets bigger becoming winding against their rear limit position. Has the winding drum reaches this rear limit position a limit switch is actuated. As a result, the wrap by means of a drive arrangement a certain distance away is moved by the winding drum. The latter follows this Movement of the winding under the action of the piston-cylinder unit. This movement of the winding drum ends as soon as the drive arrangement moving the reel stops. This means that the length of the path of movement Winding drum through the length of the path of movement of the winding is determined, i.e. through the respective holding of the wrap. The winding drum is thus each made of the stationary, rear limit position defined by the limit switch is moved out to front end positions by the respective stops of the winding are determined. As a result the movement of the winding drum from the rear limit position controlled out solely by the movement of the wrap.

In der US-A-3,670,980 ist eine Vorrichtung zum Steuern des Anpressdruckes zwischen einer Wickeltrommel und einem Wickel gezeigt und beschrieben. An einem den Wickel tragenden Arm greift eine Kolben-Zylindereinheit an, welche bis zum Erreichen des gewünschten Anpressdruckes zwischen der Wickeltrommel und dem Wickel den Arm verschwenkt. Sobald der Anpressdruck dem gewünschten Druck entspricht, erfolgt kein Verschwenken dieses Armes mehr.US-A-3,670,980 discloses an apparatus for controlling the Contact pressure between a winding drum and a winding shown and described. On an arm carrying the wrap attacks a piston-cylinder unit, which up to Reaching the desired contact pressure between the Winding drum and the arm pivoted the winding. Once the Contact pressure corresponds to the desired pressure, there is no Swivel this arm more.

Ausgehend vom Stand der Technik gemäss US-A-3,834,642 liegt der vorliegenden Erfindung die Aufgabe zu Grunde, ein Verfahren und eine Vorrichtung gemäss Oberbegriff des Anspruches 1 bzw. des Anspruches 2 zu schaffen, mit dem bzw. mit der auf verschiedene Arten (Anlage- oder Spalt-Wickeln) Materialbahnen verschiedenster Eigenschaften und Abmessungen unter hohen Geschwindigkeiten zu qualitativ guten Wickeln aufgewickelt werden können. Based on the prior art according to US-A-3,834,642 the object of the present invention, a Method and device according to the preamble of To create claim 1 or claim 2, with or with the in different ways (contact or gap winding) Material webs of various properties and dimensions at high speeds to good quality winding can be wound up.

Die Aufgabe wird erfindungsgemäss durch die Merkmale des Patentanspruchs 1 bzw 2 gelöst.The object is achieved by the features of Claim 1 or 2 solved.

Der neue Wickler kann sowohl für Anlagewicklungen als auch für Spaltwicklungen eingesetzt werden. Er vereinigt gewissermassen die Vorteile einer 'statischen' Lagerung der Wickeltrommel, d.h. den geringen Materialverlust beim Wickelkernwechsel, mit den Vorteilen einer 'statischen' Lagerung des Wickelkernes bzw. des Wickels, also der guten Regulierbarkeit des Anlagedruckes oder des Abstandes. Dabei ist die Wickeltrommel wohl 'dynamisch' gelagert, verschiebt sich aber nicht nur kontinuierlich vom Wickelkern weg über eine relativ grosse Distanz, sondern kehrt periodisch in einem Schritt in ihre Ausgangslage zurück. Der Abstand, den die Wickeltrommel beim Wickelkernwechsel überwinden muss, ist also, klein, so dass der dabei entstehende Materialverlust verringert wird. Die Wickelkernaufnahme ist insofern 'statisch' und daher für eine genaue Regelung günstig gelagert, als sie bei der kontinuierlichen Rückwärtsbewegung der Wickelwalze ortsfest bleibt und sich jeweils nur synchron mit den vorwärts gerichteten Schritten der Wickeltrommel so verschiebt, dass der Anlagedruck oder Spalt konstant bleibt.The new winder can be used for system windings as well can be used for gap windings. He unites to some extent the advantages of a 'static' storage of the Winding drum, i.e. the low loss of material during Change of winding core, with the advantages of a 'static' Storage of the winding core or the winding, i.e. the good ones Adjustability of the system pressure or the distance. Here the winding drum is probably 'dynamically' mounted, shifted but not only continuously away from the winding core over a relatively large one Distance, but returns periodically in one step to their Starting position back. The distance the winding drum must overcome when changing the winding core, small so the resulting material loss is reduced. The In this respect, the winding core holder is 'static' and therefore for a precise regulation stored cheaply than at continuous backward movement of the winding roller stationary stays and is only in sync with the forward directed steps of the winding drum so that the system pressure or gap remains constant.

Im allgemeinen wird beim Anlagewickeln vorgezogen, die Wickelwalze motorisch und den Wickelkern mit dem Wickel mittelbar anzutreiben, da die Masse der Wickeltrommel konstant ist. Muss der Anlagedruck aber sehr klein sein, so wird zusätzlich oder ausschliesslich der Wickelkern motorisch angetrieben werden; die Wickeltrommel dient dann nicht mehr allein oder überhaupt nicht mehr der Zufuhr des Materials, sondern vorwiegend oder auschliesslich der Erzeugung des genauen Anlagedruckes. Im übrigen ist die Wirkungsweise des Wicklers in beiden Fällen gleich und wie oben beschrieben.In general, in asset winding, the Motor winding roller and the winding core with the winding to be driven indirectly because of the mass of the winding drum is constant. But the system pressure must be very low, so becomes the winding core additionally or exclusively be driven by a motor; the winding drum then serves no longer alone or no longer at all Material, but mainly or exclusively the Generation of the exact system pressure. Otherwise, the Mode of operation of the winder in both cases the same and how described above.

Der neue Wickler kann auch für Spaltwicklung verwendet werden. Dabei muss natürlich der Wickelkern motorisch angetrieben werden. Die Wickeltrommel kann ebenfalls motorisch angetrieben werden, sie kann aber auch nur mittelbar durch das aufzuwickelnde Material angetrieben sein und der geordneten Materialzufuhr dienen. Wie beim Anlagewickeln der Anlagedruck, so soll beim Spaltwickeln der Spalt bzw. der Abstand zwischen der Mantelfläche der Wickeltrommel und der jeweils äussersten Wicklung des entstehenden Wickels möglichst konstant sein. Die Wickelwalze kann sich auch beim Spaltwickeln zunächst bei blockiertem Wickelkern rückwärts und anschliessend nach Erreichen ihrer rückwärtigen Grenzlage in ihre vordere Grenzlage zurückbewegen. Bei der Rückwärtsverschiebung der Wickelwalze bleibt der Wickelkern ortsfest, bei ihrer Vorwärtsverschiebung verschiebt er sich synchron so, dass der gegenseitige Abstand erhalten bleibt.The new winder can also be used for gap winding become. Of course, the winding core must be motorized are driven. The winding drum can also be driven by a motor, but it can only indirectly driven by the material to be wound up be and serve the orderly material supply. As with System pressure, the system pressure should be when slitting the gap or the distance between the lateral surface of the Winding drum and the outermost winding of the emerging winding be as constant as possible. The Winding roller can also initially with slit winding blocked winding core backwards and then afterwards Reach their rear limit position in their front Move back to the limit. When moving the Winding roller, the winding core remains stationary at her It moves forward synchronously so that the mutual distance is maintained.

Der neue Wickler kann ausserdem durch geeignete Wahl der Betriebsart wie ein herkömmlicher Wickler verwendet werden, und zwar sowohl für Anlage- wie auch für Spaltwicklung. Dies ist insbesondere dann erwünscht, wenn problemlose Materialien gewickelt werden müssen.The new winder can also be selected by a suitable choice Operating mode can be used like a conventional winder for both system and gap winding. This is particularly desirable when there are no problems Materials need to be wrapped.

Bevorzugte Ausführungsbeispiele der Erfindung werden im folgenden mit Bezug auf die Zeichnung ausführlich beschrieben.
Darin zeigt:

  • Fig 1 eine vereinfachte schematische Darstellung eines ersten Ausführungsbeispiels der erfindungsgemässen Vorichtung, zum Anlagewickeln,
  • Fig. 2 eine vereinfachte schematische Darstellung eines zweiten Ausführungsbeispiels der erfindungsgemässen Einrichtung;
  • Fig. 3 eine vereinfachte schematische Darstellung eines dritten Ausführungsbeispiels der erfindungsgemässen Einrichtung, zum Spaltwickeln.
    • Preferred embodiments of the invention are described in detail below with reference to the drawing.
    It shows:
  • 1 shows a simplified schematic illustration of a first exemplary embodiment of the device according to the invention, for unit winding,
  • 2 shows a simplified schematic illustration of a second exemplary embodiment of the device according to the invention;
  • Fig. 3 is a simplified schematic representation of a third embodiment of the inventive device for slit winding.

    • Fig. 1 zeigt eine Bahn 2 des aufzuwickelndenden Materials, das über eine Umlenk - und/oder Spannwalze 4 und über eine Wickeltrommel 6 zu einem entstehenden Wickel 8 läuft. Dieser Wickel 8 wird auf einen hülsenförmigen Wickelkern 10, beispielweise aus Stahl, Karton oder Kunststoff, gewickelt, der parallel zur Achse 12 der Wickeltrommel 6 angeordnet ist. Der Wickelkern 10 ist drehbar in einem Wickelkernlager 14 aufgenommen, das an den beiden oberen Enden eines Hebelarmpaares 16 vorgesehen ist. Ein Motor 18 und ein Endlosantrieb 20 dienen als Antriebsvorrichtung für den Wickelkern 10. Wie weiter oben beschrieben, kann diese Antriebsvorrichtung in gewissen Fällen abgeschaltet werden, nämlich dann, wenn der Wickler als reiner Anlage - d.h. Kontaktwickler betrieben wird, wobei der Wickelkern nur mittelbar durch die am Wickel anliegende Wickeltrommel in Drehung versetzt wird.1 shows a web 2 of the material to be wound, that over a deflection and / or tension roller 4 and over a Winding drum 6 runs to an emerging winding 8. This winding 8 is on a sleeve-shaped winding core 10, for example made of steel, cardboard or plastic, wound parallel to the axis 12 of the winding drum 6 is arranged. The winding core 10 is rotatable in one Winding core bearing 14 added to the top two Ends of a pair of lever arms 16 is provided. An engine 18 and an endless drive 20 serve as a drive device for the winding core 10. As described above, this can Drive device switched off in certain cases , namely when the winder is a pure system - i.e. Contact winder is operated, the winding core only indirectly through the winding drum lying against the winding is rotated.

    An einem Ansatz 22 des Hebelarmpaares 16 ist ein Ende 24 einer Kolbenstange 26 einer beispielsweise fluidbetätigten Blockier- und Ablegevorrichtung, im weiteren als Blockiervorrichtung 28 bezeichnet, angelenkt. Diese Blockiervorrichtung 28 besteht im wesentlichen aus einem Zylinder 30, dessen Inneres durch einen an der Kolbenstange 26 befestigten Kolben 32 in eine erste Kammer 34 und in eine zweite Kammer 36 unterteilt wird. Der Zylinder 30 ist an seinem der Kammer 36 benachbarten Ende gelenkig auf einer Welle 38 abgestützt. At an extension 22 of the pair of lever arms 16 there is an end 24 a piston rod 26 of a fluid-operated, for example Blocking and depositing device, hereinafter referred to as Blocking device 28 referred to, articulated. This Blocking device 28 consists essentially of a Cylinder 30, the interior of which on a piston rod 26 attached piston 32 in a first chamber 34 and in a second chamber 36 is divided. The cylinder 30 is articulated at its end adjacent to chamber 36 supported a shaft 38.

    Die Wickeltrommel 6 ist drehbar in einem Schlitten 40 gelagert, der praktisch reibungsfrei verschiebbar, beispielsweise über ein Kugel- oder Rollenlager 42, auf einem ortsfesten Teil 44 des im weiteren nicht näher dargestellten Ständers des Wicklers angeordnet ist. Die Wickeltrommel 6 wird über eine einen Endlosantrieb 46 und einen Motor 48 aufweisende Antriebsvorrichtung in Rotation versetzt. Wird der Wickel 8 motorisch angetrieben, so kann,wie weiter oben beschrieben, diese Antriebsvorrichtung der Wickeltrommel 6 abgeschaltet werden. Dies ist z.B. der Fall, wenn der Wickler für Spaltwicklung verwendet wird, was immer dann nötig ist, wenn wegen der Eigenschaften des aufzuwickelnden Materials kein Druck auf den entstehenden Wickel ausgeübt werden darf. Die Antriebsvorrichtung der Wickeltrommel 6 kann auch abgeschaltet werden, wenn der Anlagedruck sehr klein sein soll, so dass ein mittelbarer Antrieb des Wickels 8 durch die Wickeltrommel 6 nicht mehr möglich ist oder nicht genügen würde.The winding drum 6 is rotatable in a carriage 40 stored, which can be moved practically without friction, for example via a ball or roller bearing 42 not a fixed part 44 of the further shown stand of the winder is arranged. The Winding drum 6 is an endless drive 46 and a drive device having a motor 48 in rotation transferred. If the winding 8 is driven by a motor, so can, as described above, this drive device the winding drum 6 can be switched off. This is e.g. the Case when the winder is used for gap winding whatever is necessary because of the properties of the material to be wound up no pressure on the resulting Wraps may be exercised. The drive device of the Winding drum 6 can also be switched off when the System pressure should be very small, so that an indirect Drive of the winding 8 by the winding drum 6 no longer is possible or would not suffice.

    Die Wickeltrommel 6 kann sich ausserdem, zusammen mit dem Schlitten 40, linear (und in Fig. 1 horizontal) zwischen einer vorderen Grenzlage (in Fig. 1 links) und einer rückwärtigen Grenzlage (in Fig. 1 rechts) hin-und herverschieben; in Fig. 1 nehmen der Schlitten 40 und die Wickeltrommel 6 eine mittlere Lage zwischen den beiden Grenzlagen ein, und die Länge des Verschiebungsweges wird durch einen Doppelpfeil A angedeutet. The winding drum 6 can also, together with the Carriage 40, linear (and horizontal in Fig. 1) between a front limit position (left in Fig. 1) and one rear limit position (right in Fig. 1) back and forth push out; in Fig. 1 take the carriage 40 and the Winding drum 6 a middle position between the two Limit positions, and the length of the displacement path indicated by a double arrow A.

    Der ortsfeste Teil 44 des Wicklers weist einen vorderen Endschalter 50 und einen hinteren Endschalter 52 auf, die zusammen mit einem Gehäuseteil 54 des Schlittens 40, durch den sie betätigt werden können, eine Detektoranordnung bilden. Durch die Lage der Endschalter 50 und 52 sind die Grenzlagen festgelegt, zwischen welchen sich der Schlitten 40 bewegen kann.The stationary part 44 of the winder has a front Limit switch 50 and a rear limit switch 52 on the together with a housing part 54 of the carriage 40 which they can be operated, a detector arrangement form. Due to the position of the limit switches 50 and 52 Limit positions are defined, between which the sled 40 can move.

    An diesem Gehäuseteil 54 greift auch ein Ende 56 einer Kolbenstange 58 an, die zu einer, hier fluidbetätigten, Stellvorrichtung 60 gehört. Das andere Ende der Kolbenstange 58 ist an einem Kolben 62 befestigt, der das Innere eines Zylinders 64 in eine erste, vordere Kammer 66 und in eine zweite, hintere Kammer 68 unterteilt. Diese zweite Kammer 68 ist über einen Druckfluid-Speicher 70 und eine Einstellvorrichtung 72, beispielsweise ein Proportionalventil, an eine Druckquelle oder ein Drucknetz 74 angeschlossen. Dabei ist es wesentlich, dass das Volumen des Druckfluid-Speichers 70 sehr viel grösser ist als das Volumen bzw. die mögliche Volumenänderung der Kammer 68.One end 56 of one also engages on this housing part 54 Piston rod 58 on, which to a, here fluid-operated, Actuator 60 belongs. The other end of the Piston rod 58 is attached to a piston 62, which Inside of a cylinder 64 into a first front chamber 66 and divided into a second, rear chamber 68. This second chamber 68 is via a pressure fluid reservoir 70 and an adjusting device 72, for example a Proportional valve, to a pressure source or a pressure network 74 connected. It is essential that the volume of the pressure fluid reservoir 70 is very much larger than that Volume or the possible change in volume of chamber 68.

    Die Endschalter 50 und 52 sind über Leitungen 76 bzw. 78 mit einer Hydraulikeinrichtung 80 verbunden, und diese Hydraulikeinrichtung 80 ist durch Leitungen 82 und 84 mit den Kammern 36 bzw. 34 der Blockiervorrichtung 28 verbunden.Limit switches 50 and 52 are on lines 76 and 78, respectively connected to a hydraulic device 80, and this Hydraulic device 80 is connected by lines 82 and 84 the chambers 36 and 34 of the blocking device 28 connected.

    Die Wirkungsweise der bisher beschriebenen Bauteile ist - ausgehend von deren in der Fig. 1 dargestellten Lage - die folgende:
    Die Wickeltrommel 6 und der Wickel 8 drehen sich, motorisch oder mittelbar angetrieben, um ihre Achsen. Die dabei über die Wickeltrommel 6 zugeführte Bahn 2 wird laufend weiter auf den Wickel 8 aufgewickelt, so dass dessen Aussendurchmesser ständig zunimmt.    The mode of operation of the components described so far is - based on their position shown in FIG. 1 - the following:
    The winding drum 6 and the winding 8 rotate, driven by a motor or indirectly, about their axes. The web 2 fed thereby via the winding drum 6 is continuously wound onto the winding 8, so that its outside diameter is constantly increasing.

    Das Hebelarmpaar 16 mit dem Wickelkernlager 14 ist mittels der Blockiervorrichtung 28 pneumatisch, hydraulisch oder mechanisch in seiner momentanen Lage blockiert.The pair of lever arms 16 with the winding core bearing 14 is by means of the blocking device 28 pneumatic, hydraulic or mechanically blocked in its current position.

    Ueber die entsprechend geeichte Einstellvorrichtung 72 wird der erwünschte Anlagedruck vorgewählt, womit man den Druck im Druckfluid-Speicher 70 und in der Kammer 68 bestimmt. Dieser Druck beaufschlagt den Kolben 62, der über die Kolbenstange 56 eine (in Fig. 1 nach links gerichtete) Kraft auf den Schlitten 40 ausübt und damit die erwünschte Anlage der Wickeltrommel 6 am Wickel 8 verursacht.Via the appropriately calibrated setting device 72 the desired system pressure is preselected, which is used to set the pressure determined in the pressure fluid reservoir 70 and in the chamber 68. This pressure acts on the piston 62, which over the Piston rod 56 a (directed to the left in Fig. 1) Exerts force on the carriage 40 and thus the desired System of the winding drum 6 caused on the winding 8.

    Beim weiteren Aufwickeln der Bahn 2 vergrössert sich der Aussendurchmesser des Wickels 8. Da sich das Hebelarmpaar 16 mit dem Wickelkernlager 14 nicht bewegen kann, schiebt der wachsende Wickel 8 die Wickeltrommel 6 gegen die Kraft der Stellvorrichtung 60 rückwärts in ihre rückwärtige Grenzlage, so dass der Gehäuseteil 54 den Endschalter 52 berührt. Der Wickel 8 dient also wegen der Blockierung des Wickelkerns 10 gewissermassen als Stellvorrichtung für die Wickeltrommel 6 und übt auf diese eine Kraft aus, die im wesentlichen der Kraft der Stellvorrichtung 60 entgegengesetzt und grösser als diese ist.As the web 2 is further wound up, the Outside diameter of the winding 8. Since the pair of lever arms 16 can not move with the winding core bearing 14, pushes the growing reel 8 the winding drum 6 against the force the actuator 60 backwards into its rear Limit position, so that the housing part 54 the limit switch 52nd touched. The winding 8 is used because of the blocking of Winding core 10 to a certain extent as an adjusting device for the Winding drum 6 and exerts a force on this, which in essentially the force of the adjusting device 60 opposite and larger than this.

    Der durch den Gehauseteil 54 aktivierte Endschalter 52 liefert nun über die Leitung 78 der Fluidvorrichtung 80 ein Signal, worauf die Fluidvorrichtung 80 die Blockierung des Hebelarmpaares 16 mit der Wickelkernaufnahme 16 löst. Da das Hebelarmpaar 16 jetzt entsprechend dem Pfeil B in Fig. 1 ausschwenken kann, wird die durch den sich vergrössernden Wickel 8 auf die Wickeltrommel 6 ausgeübte Kraft im wesentlichen auf das Wickelgewicht reduziert, während die durch die Blockiervorrichtung 28 über den Wickel 8 auf die Wickeltrommel 6 ausgeübte Kraft wegfällt. Diese wird daher unter der Wirkung der Stellvorrichtung 60 mit einer nach links gerichteten Bewegung in ihre vordere Grenzlage geschoben, so dass der Gehäuseteil 54 den Endschalter 50 betätigt.The limit switch 52 activated by the housing part 54 now delivers via line 78 to fluid device 80 Signal whereupon fluid device 80 blocks the Lever arm pair 16 with the winding core receptacle 16 releases. There the pair of lever arms 16 now according to arrow B in Fig. 1 can swing out, which is due to the enlarging Wind 8 exerted on the winding drum 6 force substantially reduced to the winding weight while the by the blocking device 28 on the winding 8 on the Winding drum 6 applied force is eliminated. This is why under the action of the actuator 60 with a left-facing movement to its front limit position pushed so that the housing part 54 the limit switch 50th operated.

    Der Endschalter 50 liefert in der Folge über die Leitung 76 ein Signal an die Fluidvorrichtung 80. Daraufhin blockiert die Fluidvorrichtung 80 über die Blockiervorrichtung 28 erneut das Hebelarmpaar 16 mit dem Wickelkernlager 14. Diese Blockierung verhindert, dass bei der Fortführung des Wickelvorganges der sich vergrössernde Wickel 8 entsprechend seiner Radiuszunahme der Wickeltrommel 6 ausweichen kann. Um Platz für sein zunehmendes Volumen zu erhalten, schiebt der Wickel 8 daher die Wickeltrommel 6 wiederum kontinuierlich rückwärts (in Fig. 1 nach rechts), bis alle Teile wieder die in Fig. 1 dargestellte Lage einnehmen, womit eine Bewegungsfolge abgeschlossen ist.The limit switch 50 subsequently delivers via line 76 a signal to the fluid device 80. Thereupon blocked the fluid device 80 via the blocking device 28 again the pair of lever arms 16 with the winding core bearing 14. This blocking prevents the continuation of the Winding process of the enlarging winding 8 according to its radius increase of the winding drum 6 can dodge. To make room for its increasing volume received, the winding 8 therefore pushes the winding drum 6 again continuously backwards (to the right in Fig. 1), until all parts again the position shown in Fig. 1 take what a sequence of movements is completed.

    Diese Bewegungsfolge besteht somit aus einer kontinuierlichen Rückwärtsbewegung der Wickeltrommel 6 bis zu ihrer rückwärtigen Grenzlage, wobei das Wickelkernlager 14 mit dem Wickel 8 ortsfest gehalten ist, und aus einer anschliessenden in einem Schritt durchgeführten Vorwärtsbewegung der Wickeltrommel 6 in ihre vordere Grenzlage, wobei das Wickelkernlager 14 mit dem Wickel 8 einen synchronen Schritt ausführt, derart, dass der gewählte Anlagedruck konstant bleibt. This sequence of movements thus consists of one continuous backward movement of the winding drum 6 to to their rear limit position, the winding core bearing 14 is held stationary with the winding 8, and from a then carried out in one step Forward movement of the winding drum 6 in its front Limit position, the winding core bearing 14 with the winding 8 executes a synchronous step such that the selected system pressure remains constant.

    Solche Bewegungsfolgen werden solange wiederholt, bis die gewünschte Länge an Material aufgewickelt ist bzw. bis der Wickel 8 den gewünschten Enddurchmesser oder das gewünschte Endgewicht erreicht hat. Dann erfolgt in einem Quer-Schnitt die Abtrennung des noch zum Wickel 8 gehörigen Bahnteils vom nachfolgenden Bahnteil, der die innerste Wicklung des nächsten Wickels bilden wird. Der fertige Wickel 8 wird nun in bekannter Weise aus der Wickelstation wegtransportiert und an seiner Stelle gelangt ein nächster Wickelkern in das Wickelkernlager 14, wie dies beispielsweise in der US-A-4 191 341 beschrieben wird.Such sequences of movements are repeated until the desired length of material is wound up or until the Wind 8 the desired end diameter or the desired Has reached final weight. Then there is a cross-section the separation of the web part still belonging to the winding 8 from the following part of the web, which is the innermost winding of the next winding will form. The finished winding 8 is now transported away from the winding station in a known manner and in its place a next winding core gets into the Winding core bearing 14, as shown, for example, in US-A-4 191 341 is described.

    Dieser nächste Wickelkern 10 ist in Fig. 1 in zwei Stellungen gezeigt, nämlich unter 86 in einer Wartestellung und unter 88 kurz vor dem Uebergang in das Wickelkernlager 14.This next winding core 10 is in two in FIG. 1 Positions shown, namely under 86 in a waiting position and under 88 shortly before the transition to the winding core storage 14.

    Es wird darauf hingewiesen, dass der Anlagedruck, dessen genaue Einhaltung beim Aufwickeln von gewissen Materialien eine wesentliche Bedingung für die Erzeugung eines qualitativ guten Wickels ist, in einfachster Weise und dennoch hinreichend genau nahezu konstant gehalten wird. Dies geschieht lediglich über die Steuervorrichtung, über welche der Soll-Wert eingestellt wird, also ohne Rückführung eines gemessenen Ist-Wertes des Anlagedruckes. Durch das verhältnismässig grosse Volumen des Druckfluid-Speichers ändert sich der Druck in der Kammer 68 der Stellvorrichtung 60 und damit der Anlagedruck der Wickeltrommel 6 am Wickel 8 nur im Bereich von 1 %, womit eine hinreichende Genauigkeit gewährleistet ist. In einer Mehrzahl von Anwendungsgebieten reicht diese Genauigkeit, die mit einer wirtschaftlichen, einfachen und betriebssicheren Konstruktion erreicht wird. It should be noted that the system pressure, the exact compliance when winding certain materials an essential condition for generating a is of good quality, in the simplest way and is still kept sufficiently constant almost constant. This only happens via the control device, via which the target value is set, i.e. without Feedback of a measured actual value of the system pressure. Due to the relatively large volume of the pressure fluid reservoir the pressure in chamber 68 changes Setting device 60 and thus the system pressure of the Winding drum 6 on the winding 8 only in the range of 1%, with what sufficient accuracy is guaranteed. In a This accuracy is sufficient for a large number of application areas, which with an economical, simple and reliable construction is achieved.

    Bei der Einrichtung gemäss Fig. 2 sind verschiedene Bauteile der Einrichtung gemäss Fig. 1 ebenfalls dargestellt und mit den gleichen Ueberweisungszeichen versehen. Zusätzlich weist die Einrichtung gemäss Fig. 2 weitere, nachstehend beschriebene Bauteile auf.2 are different Components of the device according to FIG. 1 also shown and with the same transfer symbols Mistake. In addition, the device according to FIG. 2 other components described below.

    Erstens ist die Wickeltrommel 6 an ihrem Gehäuse 54 oder an einer daran angeordneten Zylindergabel 90 mit Dehnmessstreifen 92 versehen, welche den Istwert des von der Stellvorrichtung 60 über die Wickeltrommel 6 auf den Wickel 8 wirkenden Anlagedruck ermitteln. Die Dehnmessstreifen 92 sind über eine Leitung 94 mit der Einstellvorrichtung 72, die um eine Vergleichseinheit 73 erweitert ist, verbunden.First, the winding drum 6 is on its housing 54 or on a cylinder fork 90 arranged thereon with Strain gauges 92 provided, which the actual value of the adjusting device 60 via the winding drum 6 on the Determine winding 8 acting system pressure. The Strain gauges 92 are connected via a line 94 to the Setting device 72 which is arranged around a comparison unit 73 is expanded, connected.

    Zweitens ist die Kammer 66 der Stellvorrichtung 60 über einen weiteren Druckfluid-Speicher 96 und eine weitere Einstellvorrichtung 98 mit der Druckquelle oder dem Drucknetz 74 verbunden.Second, chamber 66 of actuator 60 is over another pressure fluid reservoir 96 and another Adjustment device 98 with the pressure source or the Print network 74 connected.

    Drittens ist ein Weg-oder ein Inkrementalgeber 100 als Detektoranordnung zum Feststellen der Relativbewegung zwischen dem Schlitten 40 mit der Wickeltrommel 6 und dem ortsfesten Teil 44 bzw zur Erfassung der Grenzlagen der Wickeltrommel 6 vorgesehen. Dieser Geber 100 ersetzt funktionell die Endschalter 50 und 52, die aber als Sicherheitsschalter und/oder bei Ausschaltung des Gebers für einen Betrieb des Wicklers gemäss der die Fig. 1 betreffenden Beschreibung beibehalten werden können. Der Geber 100 ist über Leitungen 101, 102 mit der Fluidvorrichtung 80 und über die Leitung 101 und eine Leitung 103 mit der Einstellvorrichtung 72 verbunden. Third is a path or incremental encoder 100 as Detector arrangement for determining the relative movement between the carriage 40 with the winding drum 6 and the stationary part 44 or for detecting the limit positions of the Winding drum 6 provided. This encoder 100 replaces functionally the limit switches 50 and 52, but as Safety switch and / or when the encoder is switched off for operation of the winder according to FIG. 1 relevant description can be retained. The Encoder 100 is connected via lines 101, 102 to the Fluid device 80 and via line 101 and a Line 103 connected to the adjusting device 72.

    Diese drei Baugruppen und die durch ihren Betrieb erreichbaren
    Verbesserungen können auch einzeln vorgesehen sein, doch wird man im allgemeinen die Dämpfungseinrichtung nicht ohne die Ist-Wert-Messung vorsehen.    These three assemblies and those that can be achieved through their operation
    Improvements can also be provided individually, but in general the damping device will not be provided without the actual value measurement.

    Die Wirkungsweise der zusätzlichen Elemente ist bei sonst gleicher Funktion der Einrichtung wie anhand der Fig. 1 beschrieben die folgende:
    Die Dehnmessstreifen 92 ermitteln, wie schon beschrieben, mittelbar den Ist-Wert des Anlagedruckes und liefern über die Leitung 94 der Einstellvorrichtung 72 ein entsprechendes Signal, das von der Vergleichsvorrichtung 73 mit dem eingestellten Soll-Wert des Anlagedruckes verglichen wird. Weicht der Ist-Wert vom Soll-Wert ab, so erfolgt selbsttätig eine Veränderung des eingestellten Wertes. Die Steuerkette für den Anlagedruck gem. Fig. 1 ist somit bei der Einrichtung gemäss Fig. 2 durch einen Regelkreis ersetzt worden, was zwar in der Herstellung aufwendiger ist, im Betrieb aber eine noch genauere Einhaltung des erwünschten Anlagedrucks zur Folge hat.    The mode of operation of the additional elements is the following, with otherwise the same function of the device as described with reference to FIG.
    As already described, the strain gauges 92 indirectly determine the actual value of the system pressure and deliver a corresponding signal via line 94 to the setting device 72, which signal is compared by the comparison device 73 with the set target value of the system pressure. If the actual value deviates from the target value, the set value changes automatically. The timing chain for the system pressure acc. 1 has thus been replaced by a control circuit in the device according to FIG. 2, which is more complex to manufacture but results in an even more precise maintenance of the desired system pressure in operation.

    Mittels des zusätzlichen Druckfluid-Speichers 96 und der zugehörigen Einstellvorrichtung 98 kann je nach den Erfordernissen ein Gegendruck zum Anlagedruck ausgeübt werden, was die Wirkung einer hydraulischen Feder, bzw Dämpfung bzw Kompensation ergibt.By means of the additional pressure fluid reservoir 96 and the associated setting device 98 can, depending on the Back pressure applied to the system pressure be what the effect of a hydraulic spring, or Damping or compensation results.

    Der Weg-bzw. Inkrementalgeber 100 ermittelt laufend die jeweilige Lage des Schlittens 40 bzw der Wickeltrommel 6. Ueber die Leitungen101 und 102 liefert er der Fluidvorrichtung 80 entsprechende Signale, wenn der Schlitten 40 eine seiner Grenzlagen erreicht. Bei Erreichen der rückwärtigen Grenzlage bewirkt die Fluidvorrichtung 80, dass die Blockiervorrichtung 28 das Hebelarmpaar 16 freigibt, so dass es sich unter der Wirkung der Stellvorrichtung 60 im Gegenuhrzeigersinn dreht. Bei Erreichen der vorderen Grenzlage verursacht die Fluidvorrichtung 80 eine erneute Blockierung des Hebelarmpaares 16, so dass die Wickeltrommel 6 wieder auf ihre rückwärtige Endlage zugeschoben wird. Durch die Rückführung der vom Geber 100 ermittelten Werte über die Leitungen 101 und 102 zur um die Vergleichseinheit 73 erweiterten Einstellvorrichtung 72 erfolgt eine Regelung der Wirkung der Stellvorrichtung 60.The way or Incremental encoder 100 continuously determines the respective position of the carriage 40 or the winding drum 6. It delivers the data via lines 101 and 102 Fluid device 80 corresponding signals when the Carriage 40 reached one of its limit positions. When reached the rear limit position causes the fluid device 80, that the blocking device 28 the lever arm pair 16 releases so that it is under the effect of Actuator 60 rotates counterclockwise. At Reaching the front limit position causes the Fluid device 80 a new blockage of the Lever arm pair 16, so that the winding drum 6 again their rear end position is pushed shut. Through the Feedback of the values determined by the encoder 100 via the Lines 101 and 102 to around the comparison unit 73 With the extended setting device 72, regulation takes place the effect of the adjusting device 60.

    Bei der Anordnung eines Weggebers 100 können die früher beschriebenen Bewegungsfolgen, bzw die Vorwärts-und Rückwärtsbewegungen des Schlittens 40 verkürzt werden, d.h. dass der Abstand zwischen den Grenzlagen verkleinert wird. Die kontinuierliche Rückwärtsverschiebung und der vorwärts gerichtete Schritt des Schlittens 40 bzw. der Wickeltrommel 6 werden also häufiger und kürzer. Dies hat zur Folge, dass die Verschiebung des Wickels 8 ebenfalls in kleineren zeitlichen Abständen und über kleinere Wege, also in kleineren Schritten, stattfindet. Damit erzielt man einen ruhigeren Lauf der Einrichtung.With the arrangement of a displacement sensor 100, the earlier described movement sequences, or the forward and Backward movements of the carriage 40 are shortened, i.e. that the distance between the boundary layers is reduced. The continuous backward shift and the forward directed step of the carriage 40 or the winding drum So 6 are becoming more frequent and shorter. As a result, the displacement of the winding 8 also in smaller intervals and over smaller distances, i.e. in smaller steps takes place. So you get one calmer running of the facility.

    Bei der Anordnung eines Inkrementalgebers 100 ist die Wirkungsweise im Prinzip die gleiche wie oben beschrieben, wobei sich der Abstand zwischen den Grenzlagen auf einen infinitesimalen Wert verkleinern kann. Die Bewegungsfolgen gehen dadurch über in eine kaum sichtbare Schwingung zwischen den sehr nahe beeinanderliegenden Grenzlagen. Die Wickeltrommel 6 bleibt im wesentlichen während des ganzen Wickelvorganges in derselben Lage und die Fluidvorrichtung steuert über die Stellvorrichtung 28 die Bewegung des Hebelarmpaares 16 mit dem Wickelkernlager 14 so, dass eine kontinuierliche Bewegung des Wickels 8 im Gegenuhrzeigersinn stattfindet. Dies bedeutet aber nicht, dass die Einrichtung in der Art eines herkömmlichen Wicklers mit örtlich fixierter Wickeltrommel und ohne Steuerung bzw mit träger Steuerung des Anlagedruckes arbeitet. Die Wickeltrommel 6 ist bezüglich ihrer Vorwärts- und Rückwärtsbewegungen gewissermassen schwimmend fixiert und Steuerung der Bewegungen des Hebelarmpaares 16 und damit des Wickels 8 erfolgt fluidbetätigt und damit trägheitsfrei.When an incremental encoder 100 is arranged, the Principle of operation the same as described above, where the distance between the boundary layers on one can decrease infinitesimal value. The sequences of movements thereby go into a barely visible vibration between the very close border areas. The Winding drum 6 remains essentially throughout Winding process in the same position and the fluid device controls the movement of the Lever arm pair 16 with the winding core bearing 14 so that a continuous movement of the winding 8 in Counterclockwise takes place. But this does not mean that the establishment in the manner of a conventional With a fixed winding drum and without Control or with slow control of the system pressure is working. The winding drum 6 is in terms of its forward and Backward movements to a certain extent floated and control of the movements of the pair of lever arms 16 and so that the winding 8 is fluid operated and thus inertia-free.

    Beim Wickeln problemloser Materialien im Anlagewickelverfahren kann, wie früher erwähnt, der neue Wickler auch in herkömmlicher Weise betrieben werden, d.h. ohne Anlagedrucksteuerung und ohne Verschiebung der Wickeltrommel 6. Die Wickeltrommel 6 wird dabei in einer bestimmten Stellung, im allgemeinen in ihrer vorderen Endlage festgehalten. Die Blockierung des Hebelarmpaares 16 mit dem Wickel 8 wird gelöst. Beim Aufwickeln des Materials verschwenkt sich dabei das Hebelarmpaar 16 mit dem Wickel 8, dessen Radius laufend zunimmt, unter dem Druck der ortsfesten Wickeltrommel 6 kontinuierlich im Gegenuhrzeigersinn, bis der Wickel 8 seine Endgrösse erreicht hat.When winding problem-free materials in the As previously mentioned, the new winding process can Winders can also be operated in a conventional manner, i.e. without system pressure control and without shifting the Winding drum 6. The winding drum 6 is in one certain position, generally in its front End position recorded. Blocking the pair of lever arms 16 with the winding 8 is released. When winding up the The lever arm pair 16 also pivots with the material the winding 8, the radius of which is continuously increasing, under which Pressure of the stationary winding drum 6 continuously in Counterclockwise until the wrap 8 reaches its final size has reached.

    Fig. 3 zeigt stark vereinfacht einen für Spaltwicklung ausgebildeten Wickler mit mehreren Bauteilen, die bei den Einrichtungen gemäss den Figuren 1 und 2, beschrieben worden sind; diese sind auch mit den gleichen Ueberweisungszeichen versehen. Die zusätzlichen Bauteile dienen dazu, mit dem Wickler berührungsfreie, also sogenannte Spalt- oder Abstandswicklungen durchzuführen. Fig. 3 shows a very simplified one for gap winding trained winder with several components, which at the Devices according to Figures 1 and 2 described have been; these are also the same Transfer money provided. The additional components serve to contact with the winder, so perform so-called gap or spacing windings.

    Anzumerken ist hierzu, dass je nach dem geplanten Einsatz ein Wickler nach der Erfindung als reiner Spaltwickler oder umschaltbar als Anlage-und Spaltwickler ( und natürlich auch als reiner Anlagewickler) ausgebildet sein kann; die Bauteile für Spaltwicklung können also zusätzlich zu den Bauteilen, die nur für Anlagewicklung benötigt werden, angeordnet werden.It should be noted that depending on the intended use a winder according to the invention as a pure slit winder or switchable as a system and slit winder (and of course can also be designed as a pure system winder); the Components for gap winding can be in addition to Components that are only required for system development to be ordered.

    Neu für die Spaltwicklung ist eine optische oder elektronische Sensorvorrichtung 104 vorgesehen, im allgemeinen mit Photozellen, durch welche der Wickelspalt, d.h. der Abstand zwischen der jeweiligen äussersten Materialschicht des Wickels 8 und der Mantelfläche der Wickeltrommel 6 ermittelt wird. Die Sensorvorrichtung 104 mit einer Einstellvorrichtung 105 ist über eine Leitung 106 an einem Stellglied 108 angeschlossen. Dieses Stellglied 108 verbindet sowohl die Kammer 68 der Stellvorrichtung 64 mit dem Druckfluid-Speicher 70 als auch die Kammer 66 der Stellvorrichtung 64 mit dem Druckfluid-Speicher 96.An optical or is new for the gap winding electronic sensor device 104 provided in generally with photocells through which the winding gap, i.e. the distance between each extreme Material layer of the winding 8 and the outer surface of the Winding drum 6 is determined. The sensor device 104 with an adjusting device 105 is via a line 106 connected to an actuator 108. This actuator 108 connects both the chamber 68 of the actuating device 64 with the pressure fluid reservoir 70 as well as the chamber 66 of the Actuating device 64 with the pressure fluid reservoir 96.

    Die Wirkungsweise dieser Bauteile ist, bei sonst gleicher Wirkungsweise der Einrichtung wie derjenigen der in Fig. 1 und Fig. 2 dargestellten Einrichtungen, die folgende:
    Das Hebelarmpaar 16 mit dem Wickelkern 8 und die Wickeltrommel 6 sind vorerst gegen Bewegungen senkrecht zu ihren Achsen blockiert. Der Wickelkern 10 wird motorisch angetrieben, wodurch sich die Bahn 2 auf ihm aufwickelt, nachdem sie über die dadurch
    angetriebene Wickeltrommel 6 gelaufen ist. Der Wickelspalt, dessen Sollwert mittels der Einstellvorrichtung 105 vorgewählt wird, d.h. der Abstand zwischen der Wickeltrommel 6 und dem entstehenden Wickel 8, verringert sich, wenn während des Wickelvorganges bei blockiertem Hebelarmpaar 16 neu aufgewickeltes Material den Radius des Wickels 8 vergrössert. Ist der Spalt auf ein bestimmtes Mass verkleinert, so aktiviert die Sensorvorrichtung 104 über die Leitung 106 und das Stellglied 108 die Stellvorrichtung 60 so, dass der Schlitten 40 mit der Wickeltrommel 6 nach rechts bewegt wird. Das Wickeln und die Rückwärtsverschiebung des Schlittens 40 werden solange fortgesetzt, bis die Ankunft der Wickeltrommel 6 in der hinteren Grenzlage durch die entsprechende Sensorvorrichtung, dh den Endschalter, den Weggeber oder den Inkrementalgeber, festgestellt wird. Dann wird in schon beschriebener Art und Weise die Blockierung des Hebelarmpaares 16 und die Wirkung der die Wickeltrommel nach rechts schiebenden Stellvorrichtung unterbrochen. Die Stellvorrichtung 60 schiebt nun die Wickeltrommel 6 wieder in ihre vordere Grenzlage, und gleichzeitig dreht sich das Hebelarmpaar 16 im Gegenuhrzeigersinn soweit, dass der Spalt erhalten bleibt.    The mode of operation of these components, with otherwise the same mode of operation of the device as that of the devices shown in FIGS. 1 and 2, is as follows:
    The pair of lever arms 16 with the winding core 8 and the winding drum 6 are initially blocked against movements perpendicular to their axes. The winding core 10 is driven by a motor, as a result of which the web 2 winds up on it after passing over it
    driven winding drum 6 has run. The winding gap, the desired value of which is preselected by means of the adjusting device 105, ie the distance between the winding drum 6 and the resulting winding 8, is reduced if material wound up during the winding process with a pair of lever arms 16 blocked increases the radius of the winding 8. If the gap is reduced to a certain extent, the sensor device 104 activates the actuating device 60 via the line 106 and the actuator 108 in such a way that the carriage 40 is moved to the right with the winding drum 6. The winding and the backward displacement of the carriage 40 are continued until the arrival of the winding drum 6 in the rear limit position is determined by the corresponding sensor device, ie the limit switch, the displacement encoder or the incremental encoder. Then the blocking of the pair of lever arms 16 and the effect of the adjusting device pushing the winding drum to the right is interrupted in the manner already described. The adjusting device 60 now pushes the winding drum 6 back into its front limit position, and at the same time the pair of lever arms 16 rotates counterclockwise to the extent that the gap is retained.

    Wie schon erwähnt, kann der Wickler auch in herkömmlicher Weise als Spaltwickler verwendet werden, wobei man die Wickeltrommel in einer festen Lage blockiert. Die schrittweise Bewegung des Hebelarmpaares mit dem Wickel wird von einer in diesem Fall ortsfesten Sensoreinrichtung bzw. Lichtschranke gesteuert. Ein Lichtstrahl überwacht den Abstand zwischen Wickeltrommel und Wickel. Sobald die äussersten Wickelschichten diesen Abstand auf einen bestimmten Wert verkleinert haben, wirkt die Lichtschranke über die Steuervorrichtung auf die Stellvorrichtung, die in der Folge die Schwenkung des Hebelarmpaares im Gegenuhrzeigersinn verursacht. Dadurch vergrössert sich der Abstand zwischen dem Wickel und der Wickeltrommel so lange, bis die Lichtschranke ein Signal zur Beendigung dieser Bewegung des Hebelarmpaares abgibt. Alle diese Vorgänge werden wiederholt, bis soviel Material auf dem Wickel aufgewickelt ist, dass dieser seinen Enddurchmesser erreicht hat.As already mentioned, the winder can also be conventional Way used as a slit winder, taking the The winding drum is blocked in a fixed position. The gradual movement of the pair of lever arms with the winding is from a stationary sensor device in this case or light barrier controlled. A light beam monitors the Distance between winding drum and winding. As soon as the outermost winding layers this distance to one have reduced a certain value, the light barrier works via the control device to the actuator, which in consequently the pivoting of the pair of lever arms in the Counterclockwise caused. This increases the Distance between the winding and the winding drum so long until the light barrier sends a signal to end this Movement of the pair of lever arms gives. All of these operations are repeated until there is so much material on the winding is wound that its final diameter has reached.

    Bei allen Ausführungsbeispielen nach der Erfindung können je nach den Abmessungen und Gewichten von Wickelkern und Wickel jeweils mehrere parallele Stellvorrichtungen vorgesehen sein. Bei der Wicklung von weniger breitem Material können nicht benötigte Stellvorrichtungen abgeschaltet werden.In all embodiments according to the invention can depending on the dimensions and weights of winding core and Wind several parallel actuators each be provided. When winding less wide Material can use actuators that are not required be switched off.

    Bei den oben beschriebenen Ausführungsbeispielen ist die Wickeltrommel auf einem linear verschiebbaren Schlitten und der Wickel an einem verschwenkbaren Hebelarmpaar angeordnet. Es ist aber auch möglich, die Wickeltrommel an einem Hebelarmpaar und/oder den Wickel auf einem linear verschiebbaren Schlitten anzuordnen.In the exemplary embodiments described above, the Winding drum on a linearly movable slide and the wrap on a pivotable pair of lever arms arranged. But it is also possible to turn the winding drum on a pair of lever arms and / or the wrap on a linear to arrange sliding carriage.

    Claims (9)

    1. Method for the production of packages (8) from endless, flexible, web-like material, which is supplied continuously via a rotatably mounted winding drum (6), on which it rests over part of the circumference, the said material being wound onto package cores (10) which are supplied in succession at time intervals and are capable of being driven during the winding operation and which are mounted rotatably about an axis parallel to the axis of rotation (12) of the winding drum (6), in which method, when the package (8) is prevented from moving perpendicularly to its axis, the winding drum (6) is moved, in accordance with the increase in radius of the package (8), essentially perpendicularly to the winding drum axis of rotation (12) into a rearward fixed limit position, when the winding drum (6) arrives in the rearward limit position the said drum is moved, by an actuating force acting on it, out of its rearward limit position synchronously with the package (8), in such a way that the resting pressure or the clearance remains constant, the package (8) is then once again prevented from moving perpendicularly to its axis and the winding drum (6) is moved back again into the rearward limit position in accordance with the further increase in radius of the package (8), and the winding drum (6), when it arrives once more in the rearward limit position, is moved again, together with the package (8), out of this rearward limit position, this cycle of movement of the winding drum (6) and package (8) being repeated until the package (8) has reached its predetermined final size, characterized in that the winding drum (6) is moved, in each case under the action of the actuating force, out of the rearward fixed limit position into a front fixed limit position, and, during this movement of the winding drum (6) into the front limit position, the package (8) is co-moved, and in that, when this front limit position is reached, the package (8) is prevented from further movement, thus resulting in a movement of the winding drum (6) back into the rearward limit position.
    2. Apparatus for carrying out the method according to Claim 1 for the production of packages (8),
      with a device for the continuous supply of endless, flexible, web-like material,
      with a winding drum (6) which is received rotatably in a bearing apparatus (40) and on which the material rests over part of the circumference, the said bearing apparatus (40) being moveable into a fixed rearward limit position and out of this essentially perpendicularly to the axis of rotation (12) of the winding drum (6),
      with a package-core bearing (14) for the rotatable mounting of one package core (10) in each case during the winding operation, the axis of the package core (10) being parallel to the axis of rotation (12) of the winding drum (6), and the package-core bearing (14), together with the package core (10), being moveable perpendicularly to the axis of rotation (12),
      with an arrangement (28) for periodically blocking the package-core bearing (14) for the purpose of moving the bearing apparatus (40) into the rearward limit position in accordance with the increase in radius of the produced package (8) when the package-core bearing (14) is blocked,
      with a detector arrangement (50, 52; 100) for detecting that the rearward limit position of the bearing apparatus (40) has been reached, and
      with a control and actuating apparatus (60, 80) for controlling the movement of the bearing apparatus (40), which control and actuating apparatus, when the bearing apparatus (40) arrives in the rearward limit position, causes a movement of the bearing apparatus (40) out of the rearward limit position and a simultaneous movement of the package-core bearing (14), together with the package (8), in such a way that the resting pressure or the clearance between the winding drum (6) and the package (8) remains constant,
      characterized in that the bearing apparatus (40), together with the winding drum (6), is moveable out of the fixed rearward limit position into a fixed front limit position by means of the control and actuating apparatus (60, 80), and the detector arrangement (50, 52; 100) also detects that this front limit position has been reached by the bearing apparatus (40), and in that, when the bearing apparatus (40) arrives in the front limit position, the control and actuating apparatus (60, 80) activates a blocking apparatus (28), released during the movement of the bearing apparatus (40) from the rearward limit position into the front limit position and intended for the package-core bearing (14), for the purpose of renewed blocking of the latter.
    3. Apparatus according to Claim 2, characterized by a drive apparatus (46, 48) for the winding drum (6).
    4. Apparatus according to Claim 2 or 3, characterized by a drive apparatus (18, 20) for the package core (10) located in the package-core bearing (14).
    5. Apparatus according to one of Claims 2-4, characterized in that the detector arrangement (50, 52; 100) has limit-switch devices (50, 52) which are operatively connected to the control and actuating apparatus (60, 80).
    6. Apparatus according to one of Claims 2-5, characterized in that the detector arrangement (50, 52; 100) has a displacement or incremental encoder device (100) which is operatively connected to the control and actuating apparatus (60, 80).
    7. Apparatus according to Claims 2 and 4, characterized in that the control and actuating apparatus (60, 80) has an optical or electronic sensor device (104), in order to monitor variations in a specific clearance between the winding drum (8) and the package (6) and to active the control and actuating apparatus accordingly.
    8. Apparatus according to one of Claims 2-7, characterized in that the control and actuating apparatus (60, 80) has a hydraulically operated apparatus (80) for releasing and blocking the package-core bearing (14).
    9. Apparatus according to one of Claims 2-8, characterized in that the control and actuating apparatus (60, 80) has a hydraulically operated actuating apparatus (60) for moving the winding drum (6) into its front limit position.
    EP93101351A 1992-03-18 1993-01-29 Winding method and apparatus Expired - Lifetime EP0561128B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    CH87092 1992-03-18
    CH870/92 1992-03-18
    CH87092 1992-03-18

    Publications (2)

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    EP0561128A1 EP0561128A1 (en) 1993-09-22
    EP0561128B1 true EP0561128B1 (en) 2000-04-12

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    EP93101351A Expired - Lifetime EP0561128B1 (en) 1992-03-18 1993-01-29 Winding method and apparatus

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    US (1) US5308008A (en)
    EP (1) EP0561128B1 (en)
    JP (1) JPH085571B2 (en)
    AT (1) ATE191700T1 (en)
    DE (1) DE59310002D1 (en)

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    Also Published As

    Publication number Publication date
    EP0561128A1 (en) 1993-09-22
    US5308008A (en) 1994-05-03
    DE59310002D1 (en) 2000-05-18
    ATE191700T1 (en) 2000-04-15
    JPH07257785A (en) 1995-10-09
    JPH085571B2 (en) 1996-01-24

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