EP0561128B1 - Verfahren zum Erzeugen von Wickeln und Vorrichtung zur Durchführung des Verfahrens - Google Patents
Verfahren zum Erzeugen von Wickeln und Vorrichtung zur Durchführung des Verfahrens Download PDFInfo
- 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
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000004804 winding Methods 0.000 title claims abstract description 243
- 238000000034 method Methods 0.000 title claims abstract description 21
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Images
Classifications
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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
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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
- 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.
Landscapes
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
Darin zeigt:
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.
Verbesserungen können auch einzeln vorgesehen sein, doch wird man im allgemeinen die Dämpfungseinrichtung nicht ohne die Ist-Wert-Messung vorsehen.
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.
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.
Claims (9)
- Verfahren zum Erzeugen von Wickeln (8) aus endlosem, flexiblem, bahnförmigem Material, das kontinuierlich über eine drehbar gelagerte Wickeltrommel (6) zugeführt wird, an der es über einen Teil des Umfanges anliegt, und das auf in zeitlichen Abständen aufeinanderfolgend zugeführte, während des Wickelvorganges antreibbare und um eine zur Drehachse (12) der Wickeltrommel (6) parallele Achse drehbar gelagerte Wickelkerne (10) aufgewickelt wird, bei dem die Wickeltrommel (6) bei an einer Bewegung senkrecht zu seiner Achse gehindertem Wickel (8) entsprechend der Radiuszunahme des Wickels (8) im wesentlichen senkrecht zu ihrer Drehachse (12) in eine rückwärtige festgelegte Grenzlage bewegt wird, bei der Ankunft der Wickeltrommel (6) in der rückwärtigen Grenzlage die Wickeltrommel (6) durch eine auf sie einwirkende Stellkraft aus ihrer rückwärtigen Grenzlage heraus synchron mit dem Wickel (8) so bewegt wird, dass der Anlagedruck bzw. der Abstand konstant bleibt, dann der Wickel (8) erneut an einer Bewegung senkrecht zu seiner Achse gehindert und die Wickeltrommel (6) entsprechend der weiteren Radiuszunahme des Wickels (8) wieder in die rückwärtige Grenzlage zurückbewegt wird und die Wickeltrommel (6) bei erneuter Ankunft in der rückwärtigen Grenzlage wieder zusammen mit dem Wickel (8) aus dieser rückwärtigen Grenzlage heraus bewegt wird, wobei dieser Bewegungsablauf von Wickeltrommel (6) und Wickel (8) solange wiederholt wird, bis der Wickel (8) seine vorbestimmte Endgrösse erreicht hat, dadurch gekennzeichnet, dass die Wickeltrommel (6) jeweils unter der Wirkung der Stellkraft aus der rückwärtigen festgelegte Grenzlage in eine vordere festgelegte Grenzlage bewegt wird und während dieser Bewegung der Wickeltrommel (6) in die vordere Grenzlage der Wickel (8) mitbewegt wird und dass bei Erreichen dieser vorderen Grenzlage der Wickel (8) an einer weiteren Bewegung gehindert wird, was eine Zurückbewegung der Wickeltrommel (6) in die rückwärtige Grenzlage zur Folge hat.
- Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1 zur Erzeugung von Wickeln (8),mit einer Einrichtung zur kontinuierlichen Zufuhr von endlosem, flexiblem, bahnförmigem Material,mit einer drehbar in einer Lagervorrichtung (40) aufgenommenen Wickeltrommel (6), an der das Material über einen Teil des Umfangs anliegt, welche Lagervorrichtung (40) im wesentlichen senkrecht zur Drehachse (12) der Wickeltrommel (6) in eine festgelegte rückwärtige Grenzlage und aus dieser heraus bewegbar ist,mit einem Wickelkernlager (14) zum drehbaren Lagern jeweils eines Wickelkernes (10) während des Wickelvorganges, wobei die Achse des Wickelkernes (10) parallel zur Drehachse (12) der Wickeltrommel (6) ist und das Wickelkernlager (14) mit dem Wickelkern (10) senkrecht zur Drehachse (12) bewegbar ist,mit einer Anordnung (28) zum periodischen Blockieren des Wickelkernlagers (14) zwecks Bewegung der Lagervorrichtung (40) in die rückwärtige Grenzlage entsprechend der Radiuszunahme des erzeugten Wickels (8) bei blockiertem Wickelkernlager (14),mit einer Detektoranordnung (50, 52; 100) zum Feststellen des Erreichens der rückwärtigen Grenzlage der Lagervorrichtung (40), undmit einer Steuer- und Stellvorrichtung (60, 80) zur Steuerung der Bewegung der Lagervorrichtung (40), die bei der Ankunft der Lagervorrichtung (40) in der rückwärtigen Grenzlage eine Bewegung der Lagervorrichtung (40) aus der rückwärtigen Grenzlage heraus und eine gleichzeitige Bewegung des Wickelkernlagers (14) samt Wickel (8) bewirkt, derart, dass der Anlagedruck oder der Abstand zwischen der Wickeltrommel (6) und dem Wickel (8) konstant bleibt,
dadurch gekennzeichnet, dass die Lagervorrichtung (40) samt Wickeltrommel (6) jeweils durch die Steuer- und Stellvorrichtung (60,80) aus der festgelegte rückwärtigen Grenzlage heraus in eine festgelegte vordere Grenzlage Bewegbar ist und die Detektoranordnung (50, 52; 100) auch das Erreichen dieser vorderen Grenzlage durch die Lagervorrichtung (40) feststellt, und dass die Steuer- und Stellvorrichtung (60, 80) bei Ankunft der Lagervorrichtung (40) in der vorderen Grenzlage eine während der Bewegung der Lagervorrichtung (40) von der rückwärtigen in die vordere Grenzlage gelöste Blockiervorrichtung (28) für das Wickelkernlager (14) zwecks erneuter Blockierung des Wickelkernlagers (14) aktiviert. - Vorrichtung nach Anspruch 2, gekennzeichnet durch eine Antriebsvorrichtung (46,48) für die Wickeltrommel (6).
- Vorrichtung nach Anspruch 2 oder 3, gekennzeichnet durch eine Antriebsvorrichtung (18,20) für den im Wickelkernlager (14) befindlichen Wickelkern (10).
- Vorrichtung nach einem der Ansprüche 2-4, dadurch gekennzeichnet, dass die Detektoranordnung (50, 52; 100) Endschaltereinrichtungen (50,52) aufweist, die mit der Steuer- und Stellvorrichtung (60, 80) wirkverbunden sind.
- Vorrichtung nach einem der Ansprüche 2-5, dadurch gekennzeichnet, dass die Detektoranordnung (50, 52; 100) eine Weg- oder Inkrementalgebereinrichtung (100) aufweist, die mit der Steuer- und Stellvorrichtung (60, 80) wirkverbunden ist.
- Vorrichtung nach den Ansprüchen 2 und 4, dadurch gekennzeichnet, dass die Steuer- und Stellvorrichtung (60, 80) eine optische oder elektronische Sensoreinrichtung (104) aufweist, um Veränderungen eines bestimmten Abstandes zwischen der Wickeltrommel (8) und dem Wickel (6) zu überwachen und entsprechend die Steuer- und Stellvorrichtung zu aktivieren.
- Vorrichtung nach einem der Ansprüche 2-7, dadurch gekennzeichnet, dass die Steuer- und Stellvorrichtung (60, 80) eine druckfluidbetätigte Vorrichtung (80) zum Lösen und Blockieren des Wickelkernlagers (14) aufweist.
- Vorrichtung nach einem der Ansprüche 2-8, dadurch gekennzeichnet, dass die Steuer- und Stellvorrichtung (60, 80) eine druckfluidbetätigte Stellvorrichtung (60) zum Bewegen der Wickeltrommel (6) in ihre vordere Grenzlage aufweist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CH87092 | 1992-03-18 | ||
CH87092 | 1992-03-18 | ||
CH870/92 | 1992-03-18 |
Publications (2)
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EP0561128A1 EP0561128A1 (de) | 1993-09-22 |
EP0561128B1 true EP0561128B1 (de) | 2000-04-12 |
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EP93101351A Expired - Lifetime EP0561128B1 (de) | 1992-03-18 | 1993-01-29 | Verfahren zum Erzeugen von Wickeln und Vorrichtung zur Durchführung des Verfahrens |
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US (1) | US5308008A (de) |
EP (1) | EP0561128B1 (de) |
JP (1) | JPH085571B2 (de) |
AT (1) | ATE191700T1 (de) |
DE (1) | DE59310002D1 (de) |
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- 1992-06-15 US US07/897,939 patent/US5308008A/en not_active Expired - Lifetime
-
1993
- 1993-01-29 AT AT93101351T patent/ATE191700T1/de not_active IP Right Cessation
- 1993-01-29 DE DE59310002T patent/DE59310002D1/de not_active Expired - Lifetime
- 1993-01-29 EP EP93101351A patent/EP0561128B1/de not_active Expired - Lifetime
- 1993-03-18 JP JP5058984A patent/JPH085571B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
EP0561128A1 (de) | 1993-09-22 |
ATE191700T1 (de) | 2000-04-15 |
US5308008A (en) | 1994-05-03 |
JPH07257785A (ja) | 1995-10-09 |
JPH085571B2 (ja) | 1996-01-24 |
DE59310002D1 (de) | 2000-05-18 |
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