EP0391135B1 - Web winding device - Google Patents
Web winding device Download PDFInfo
- Publication number
- EP0391135B1 EP0391135B1 EP90105316A EP90105316A EP0391135B1 EP 0391135 B1 EP0391135 B1 EP 0391135B1 EP 90105316 A EP90105316 A EP 90105316A EP 90105316 A EP90105316 A EP 90105316A EP 0391135 B1 EP0391135 B1 EP 0391135B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- beginning
- pressure rollers
- pressure roller
- pressure
- 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
Links
- 238000004804 winding Methods 0.000 title claims description 20
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 6
- 230000001133 acceleration Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 description 2
- 206010038743 Restlessness Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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
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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
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/413—Supporting web roll
- B65H2301/4137—Supporting web roll on its outer circumference
- B65H2301/41372—Supporting web roll on its outer circumference rollers or balls arrangement
- B65H2301/41376—Supporting web roll on its outer circumference rollers or balls arrangement arranged in a non-stationary manner, i.e. changing according to actual roll diameter
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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
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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
- B65H2404/432—Rider roll construction involving a plurality of parallel rider rolls
Definitions
- the invention relates to a method for controlling pressure rollers which can be displaced by pressure-actuated cylinders when winding tapes in reel systems, the beginning of the tape of the incoming tape being detected and tracked as it rotates around the reel mandrel and its respective position is used to position the pressure rollers, and the pressure rollers in each case the run-in of the beginning of the band and before the start of the next winding position are raised in such a way that the gap formed between the pressure roller and the reel mandrel exceeds the thickness of the already entered band by an amount exceeding the band thickness, and the pressure roller after passing the beginning of the band from this position against the reel mandrel is lowered in the active position.
- Such a control device has become known, for example, from DE-PS 33 18 031.
- the beginning of the tape is pressed onto the tape reel by means of pressure rollers, in order to keep damage to the tape and on the pressure rollers as small as possible, before the passage of a step caused by the beginning of the tape, the pressure rollers become larger than the n -spaced by a thickness of the strip, where n is the number of layers of the strip to be wound that have already been applied to the reel mandrel in the area of the respective pressure roller corresponds.
- step control This control method has become known as "step control”.
- Step-Control can no longer convince when winding thin tapes.
- the pressure rollers which are switched to pressure, press the thin strip into the recesses that occur between the segments of the strip reel when the reel mandrel is spreading, as a result of which the strip receives undesired markings. Large parts of the beginning of the band are rejected.
- the pressure rollers are heavily loaded each time they sink into the recesses between the individual segments, as a result of which the pressure rollers are subject to great wear and considerable noise pollution. Due to the restless position of the pressure rollers on the reel, the adjustment devices for the pressure rollers are also excessively stressed.
- the invention has for its object to improve existing methods for controlling pressure roller which can be displaced by pressure-actuated cylinders when winding tapes in reel systems to the effect that the aforementioned disadvantages do not occur even when winding tapes of small thickness.
- the gap formed between the pressure roller and the reel mandrel in the operative position is set at least to n times the strip thickness, that preferably from the beginning of the second layer by spreading the reel mandrel, a slip-free system of Band is brought about on the reel mandrel, wherein the pressure rollers are spaced from the mandrel during the spreading movement of the reel mandrel by the amount of radial movement of the reel segments.
- the gap formed in the winding direction decreases in the tape entry direction from the pressure roller to the pressure roller and that the respective desired value of the gap formed between the pressure rollers and the reel mandrel is dimensioned such that the pressure rollers can deflect incoming tape, but no radially directed forces against the surface of the reel mandrel.
- the pressure rollers are brought into the operative position in this way, it is ensured that the gap between the respective pressure rollers and the coiler mandrel is set exactly to the strip thickness or slightly larger than the strip thickness.
- the pressure rollers which are only used as guide rollers here, move the strip as close as possible to the reel mandrel, but can no longer press it into the recesses between the individual segments. As a result, the tape is not marked.
- the spreading movement of the reel mandrel ensures that the strip comes into contact with the reel mandrel quickly and without slippage.
- the above-mentioned object can also be achieved in that an operative position is provided for the last pressure roller in the tape entry direction, which is slightly less than n times the tape thickness, that an action is provided for the penultimate pressure roller in the tape inlet direction that is greater than / equal to the n -fold the strip thickness is that for the pressure rollers arranged in front of the last two pressure rollers in the strip entry direction, effective positions are provided which are n times the strip thickness exceed a surcharge, that the surcharge increases from the pressure roller to the pressure roller opposite to the direction of tape entry, and that preferably from the beginning of the second layer, by spreading the reel mandrel, a slip-free contact of the tape on the reel mandrel is brought about, the pressure rollers during the spreading movement of the reel mandrel by the amount of radial movement of the reel segments are spaced from the mandrel.
- These predetermined operative positions of the pressure rollers ensure that only one pressure roller presses the tape against the reel mandrel with minimal force, and that the other pressure rollers brought into the active position form an inlet funnel which brings the tape as close as possible to the reel mandrel and applies it.
- the height of the position decreases from the pressure roller to the pressure roller before the beginning of the tape start or before the start of the next winding position in the direction of the tape.
- an inlet funnel is formed as soon as the strip is fed in, through which the strip is optimally guided to the coiler mandrel. The activation of the pressure rollers narrows this funnel even further.
- the pressure rollers are brought into the raised position and force-controlled into the operative position. It is appropriate here if the force control loop is preferably proportionally controlled, if the force setpoint specification corresponds to the tape guide force and if the actual value of the position control loop is set as a base value upon reaching the specified tape guide force, to which the next jump to the raised position as a new total Setpoint is added.
- the actual value of the position control loop is set for each newly set gap between the pressure roller and the reel mandrel as soon as the force setpoint and the actual force value are the same as the base value to which the next jump is added. so that, even in the case of multiple folds, the jump height of the pressure rollers which follow the pressure roller which has passed the first multiple folds can be raised again to the predefined setpoint of the belt.
- the position of the strip start is continuously determined by means of a strip tracking system, that the strip tracking system is started by an accelerometer and / or a load cell at the output driver of the rolling line upstream of the reel or by a switch that detects the strip start without contact is synchronized by means of accelerators and / or force gauges arranged on the pressure rollers from the incoming belt and that the position of the beginning of the belt is calculated from the peripheral speed of the driving roller from the belt thickness and the geometric dimensions of the reel system.
- the coiler mandrel is spread in a position-controlled manner and that the position control loop takes the measure for the radial spacing of the pressure rollers from the coiler mandrel.
- the figure shows an open driver 1, which is followed by a guide, not shown, for the tape 2 in the tape running direction.
- a contact-free switch 3 for example a light barrier or a nozzle / baffle plate system, is also arranged behind the driver 1 in the direction of travel of the tape.
- the reel mandrel 4 are assigned pressure rollers 5, 6, 7 and 8.
- the pressure rollers 5, 6, 7, 8 are via hydraulic cylinders 9, 9 ', 9'',9''' can be brought into the raised position or in the operative position.
- the hydraulic cylinders 9, 9 ', 9',9''' have dynamometers 10, 10 ', 10'',10''' and position sensors 11, 11 ', 11'',11'''.
- control system The function of the control system according to the invention is described below. All the dimensions of the reel system that are necessary for the calculation of the position of the strip start are stored in the computer of the strip tracking system, not shown. Only the strip thickness of the strip 2 to be wound is entered into the computer.
- the pressure rollers 5, 6, 7, 8 are set to their position shown in the figure, in which the gap between the respective pressure rollers 5, 6, 7, 8 and the reel mandrel 4 is larger than the strip thickness by an amount stored in the computer, the gap decreasing in the tape entry direction from the pressure roller to the pressure roller and for the pressure roller 5, for example, corresponds to 2.5 times the strip thickness.
- the belt speed can be derived from the peripheral speed of the drive rollers.
- the force pulse determined via the dynamometer 10 is used to synchronize the calculated and the actual position of the beginning of the band.
- the beginning of the band is bent towards the pressure roller 6 via this deflection shell. Accordingly, the beginning of the tape continues to be bent to roll 7 and roll 8.
- the pressure roller 5 is moved by means of of the cylinder 9 for the second winding position in a position-controlled position is brought into the active position.
- the pressure rollers 6, 7, 8 are brought into the operative position in a force-controlled manner.
- the force setpoints increase from the pressure roller to the pressure roller in the direction of tape entry, but the force setpoints are never set such that contact forces act on the reel mandrel 4.
- the coiler mandrel 4 is spread over a position control loop 12.
- the pressure rollers 6, 7 and 8 are correspondingly lifted off and brought back into the active position when the second turn is wound up.
- the active position and the raised position of the pressure rollers 5, 6, 7, 8 are each corrected by the amount that the reel mandrel while the second winding is spread.
- one of the force gauges 10, 10 ', 10'',10''' measured a peak force. If this peak force exceeds predetermined threshold values, the pressure rollers are spaced from the coiler mandrel depending on the level of the exceeded threshold value. Will be on the next one in the winding direction Pressure roller again measured a force peak, so the pressure rollers 5, 6, 7, 8 are completely swung away from the reel mandrel.
Landscapes
- Winding Of Webs (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Replacement Of Web Rolls (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Steuerung von durch druckmittelbetätigbaren Zylindern verlagerbarer Andruckrolle beim Anwickeln von Bändern in Haspelanlagen, wobei der Bandanfang des einlaufenden Bandes beim Umlauf um den Haspeldorn erfaßt und verfolgt und seine jeweilige Position zur Positionierung der Andruckrollen verwertet wird, und die Andruckrollen jeweils vor dem Einlaufen des Bandanfangs sowie vor Beginn der nächsten Windungslage derart angehoben werden, daß der zwischen Andruckrolle und Haspeldorn gebildete Spalt die Stärke des bereits eingelaufenen Bandes um ein die Banddicke übersteigendes Maß überschreitet, sowie die Andruckrolle nach Passieren des Bandanfangs jeweils aus dieser Position gegen den Haspeldorn in Wirkstellung abgesenkt wird.The invention relates to a method for controlling pressure rollers which can be displaced by pressure-actuated cylinders when winding tapes in reel systems, the beginning of the tape of the incoming tape being detected and tracked as it rotates around the reel mandrel and its respective position is used to position the pressure rollers, and the pressure rollers in each case the run-in of the beginning of the band and before the start of the next winding position are raised in such a way that the gap formed between the pressure roller and the reel mandrel exceeds the thickness of the already entered band by an amount exceeding the band thickness, and the pressure roller after passing the beginning of the band from this position against the reel mandrel is lowered in the active position.
Eine derartige Steuervorrichtung ist zum Beispiel durch die DE-PS 33 18 031 bekanntgeworden. Nach dieser Druckschrift wird beim Aufwickeln von Bändern auf Bandhaspel der Bandanfang mittels Andruckrollen an den Bandhaspel angedrückt, um Beschädigungen am Band und an der Andruckrollen möglichst klein zu halten, werden die Andruckrollen vor dem Durchgang einer vom Bandanfang bewirkten Stufe auf einen Wert größer als das n-fache der Banddicke beabstandet, wobei n der Anzahl der im Bereich der jeweiligen Andruckrolle bereits auf dem Haspeldorn aufgebrachten Lagen des zu wickelnden Bandes entspricht. Nach Durchgang der vom Bandanfang bewirkten Stufe wird die jeweilige Andruckrolle auf Andruck umgeschaltet. Dieses Steuerverfahren ist unter der Bezeichnung "Step-Control" bekanntgeworden.Such a control device has become known, for example, from DE-PS 33 18 031. According to this document, when winding tapes onto a tape reel, the beginning of the tape is pressed onto the tape reel by means of pressure rollers, in order to keep damage to the tape and on the pressure rollers as small as possible, before the passage of a step caused by the beginning of the tape, the pressure rollers become larger than the n -spaced by a thickness of the strip, where n is the number of layers of the strip to be wound that have already been applied to the reel mandrel in the area of the respective pressure roller corresponds. After passing through the step caused by the beginning of the tape, the respective pressure roller is switched to pressure. This control method has become known as "step control".
Es wurde festgestellt, daß sich durch Step-Control beim Wickeln von Bändern mit einer ca. 6mm übersteigenden Dicke befriedigende Wickelergebnisse erreichen lassen. Beim Wickeln dünner Bänder kann Step-Control jedoch nicht mehr überzeugen. Die auf Andruck umgeschalteten Andruckrollen pressen das dünne Band in die beim Spreizen des Haspeldorns zwischen den Segmenten des Bandhaspels entstehenden Vertiefungen, wodurch das Band ungewünschte Markierungen erhält. Große Teile des Bandanfangs werden dadurch Ausschuß. Hinzu kommt, daß die Andruckrollen bei jedem Absinken in die Vertiefungen zwischen den einzelnen Segmenten stark belastet werden, wodurch ein großer Verschleiß der Andruckrollen und erhebliche Lärmbelästigungen zu verzeichnen sind. Durch die unruhige Lage der Andruckrollen auf dem Haspel werden zudem die Anstellvorrichtungen für die Andruckrollen über Gebühr beansprucht.It was found that satisfactory winding results can be achieved by step control when winding tapes with a thickness exceeding approximately 6 mm. However, Step-Control can no longer convince when winding thin tapes. The pressure rollers, which are switched to pressure, press the thin strip into the recesses that occur between the segments of the strip reel when the reel mandrel is spreading, as a result of which the strip receives undesired markings. Large parts of the beginning of the band are rejected. In addition, the pressure rollers are heavily loaded each time they sink into the recesses between the individual segments, as a result of which the pressure rollers are subject to great wear and considerable noise pollution. Due to the restless position of the pressure rollers on the reel, the adjustment devices for the pressure rollers are also excessively stressed.
Der Erfindung liegt die Aufgabe zugrunde, bestehende Verfahren zur Steuerung von durch druckmittelbetätigbaren Zylindern verlagerbarer Andruckrolle beim Anwickeln von Bändern in Haspelanlagen dahingehend zu verbessern, daß auch bei Wickeln von Bändern geringer Dicke die obengenannten Nachteile nicht auftreten.The invention has for its object to improve existing methods for controlling pressure roller which can be displaced by pressure-actuated cylinders when winding tapes in reel systems to the effect that the aforementioned disadvantages do not occur even when winding tapes of small thickness.
Die Lösung dieser Aufgabe wird dadurch erreicht, daß der zwischen Andruckrolle und Haspeldorn in Wirkstellung gebildete Spalt mindestens auf das n-fache der Banddicke eingestellt wird, daß vorzugsweise ab Beginn der zweiten Lage durch Spreizen des Haspeldorns eine schlupffreie Anlage des Bandes am Haspeldorn herbeigeführt wird, wobei die Andruckrollen während der Spreizbewegung des Haspeldorns um das Maß der radialen Bewegung der Haspelsegmente vom Dorn beabstandet werden.The solution to this problem is achieved in that the gap formed between the pressure roller and the reel mandrel in the operative position is set at least to n times the strip thickness, that preferably from the beginning of the second layer by spreading the reel mandrel, a slip-free system of Band is brought about on the reel mandrel, wherein the pressure rollers are spaced from the mandrel during the spreading movement of the reel mandrel by the amount of radial movement of the reel segments.
Dabei hat es sich bewährt, daß der gebildete Spalt in Wickelrichtung in Bandeinlaufrichtung von Andruckrolle zu Andruckrolle abnimmt und daß der jeweilige Sollwert der zwischen den Andruckrollen und dem Haspeldorn gebildeten Spalte so bemessen ist, daß die Andruckrollen einlaufendes Band umzulenken vermögen, jedoch keine radial gerichteten Kräfte gegen die Oberfläche des Haspeldorns bewirken.It has been proven that the gap formed in the winding direction decreases in the tape entry direction from the pressure roller to the pressure roller and that the respective desired value of the gap formed between the pressure rollers and the reel mandrel is dimensioned such that the pressure rollers can deflect incoming tape, but no radially directed forces against the surface of the reel mandrel.
Werden die Andruckrollen auf diese Weise in Wirkstellung gebracht, so ist sichergestellt, daß der Spalt zwischen den jeweiligen Andruckrollen und dem Haspeldorn genau auf die Banddicke bzw. geringfügig größer als die Banddicke eingestellt ist. Die Andruckrollen, die hier nur noch als Führungsrollen eingesetzt werden, bewegen das Band zwar möglichst nahe an den Haspeldorn heran, können es jedoch nicht mehr in die Vertiefungen zwischen den einzelnen Segmenten drücken. Das Band erhält dadurch keine Markierungen. Durch die Spreizbewegung des Haspeldorns wird ein schnelles, schlupffreies Anliegen des Bandes am Haspeldorn erreicht.If the pressure rollers are brought into the operative position in this way, it is ensured that the gap between the respective pressure rollers and the coiler mandrel is set exactly to the strip thickness or slightly larger than the strip thickness. The pressure rollers, which are only used as guide rollers here, move the strip as close as possible to the reel mandrel, but can no longer press it into the recesses between the individual segments. As a result, the tape is not marked. The spreading movement of the reel mandrel ensures that the strip comes into contact with the reel mandrel quickly and without slippage.
Alternativ kann die obengenannte Aufgabe auch dadurch gelöst werden, daß für die in Bandeinlaufrichtung letzte Andruckrolle eine Wirkstellung vorgesehen wird, welche des n-fache der Banddicke geringfügig unterschreitet, daß für die in Bandeinlaufrichtug vorletzte Andruckrolle eine Wirkstllung vorgesehen wird, die größer/gleich dem n-fachen der Banddicke ist, daß für die in Bandeinlaufrichtung vor den beiden letzten Andruckrollen angeordneten Andruckrollen Wirkstellungen vorgesehen sind, die ds n-fache der Banddicke um einen Zuschlag überschreiten, daß der Zuschlag entgegengesetzt der Bandeinlaufrichtung von Andruckrolle zu Andruckrolle steigt, und daß vorzugsweise ab Beginn der zweiten Lage durch Spreizen des Haspeldorns eine schlupffreie Anlage des Bandes am Haspeldorn herbeigeführt wird, wobei die Andruckrollen während der Spreizbewegung des Haspeldorns um das Maß der radialen Bewegung der Haspelsegmente vom Dorn beabstandet werden.Alternatively, the above-mentioned object can also be achieved in that an operative position is provided for the last pressure roller in the tape entry direction, which is slightly less than n times the tape thickness, that an action is provided for the penultimate pressure roller in the tape inlet direction that is greater than / equal to the n -fold the strip thickness is that for the pressure rollers arranged in front of the last two pressure rollers in the strip entry direction, effective positions are provided which are n times the strip thickness exceed a surcharge, that the surcharge increases from the pressure roller to the pressure roller opposite to the direction of tape entry, and that preferably from the beginning of the second layer, by spreading the reel mandrel, a slip-free contact of the tape on the reel mandrel is brought about, the pressure rollers during the spreading movement of the reel mandrel by the amount of radial movement of the reel segments are spaced from the mandrel.
Durch diese vorgegebenen Wirkstellungen der Andruckrollen wird erreicht, daß nur noch eine Andruckrolle das Band mit minimaler Kraft gegen den Haspeldorn drückt, und daß die übrigen in Wirkstellung gebrachten Andruckrollen einen Einlauftrichter bilden, der das Band möglichst nahe an den Haspeldorn heranführt und anlegt.These predetermined operative positions of the pressure rollers ensure that only one pressure roller presses the tape against the reel mandrel with minimal force, and that the other pressure rollers brought into the active position form an inlet funnel which brings the tape as close as possible to the reel mandrel and applies it.
Von Vorteil ist, wenn die Höhe der Position vor Einlaufen des Bandanfangs bzw. vor Beginn der nächsten Wicklungslage in Einlaufrichtung des Bandes von Andruckrolle zu Andruckrolle abnimmt. Dadurch wird schon beim Einlaufen des Bandes ein Einlauftrichter gebildet, durch den das Band optimal an den Haspeldorn herangeführt wird. Das Inwirkstellungbringen der Andruckrollen verengt diesen Trichter noch weiter.It is advantageous if the height of the position decreases from the pressure roller to the pressure roller before the beginning of the tape start or before the start of the next winding position in the direction of the tape. As a result, an inlet funnel is formed as soon as the strip is fed in, through which the strip is optimally guided to the coiler mandrel. The activation of the pressure rollers narrows this funnel even further.
Vorteilhaft ist, daß die Andruckrollen positionsgeregelt in abgehobene Position und kraftgeregelt in Wirkstellung gebracht werden. Dabei ist es angebracht, wenn der Kraftregelkreis vorzugsweise proportional geregelt ist, wenn die Kraft-Sollwertvorgabe der Bandführungskraft entspricht und wenn bei Erreichen der vorgegebenen Bandführungskraft der Istwert des Positionsregelkreises als Basiswert gesetzt wird, auf den der nächste Sprung in die angehobene Position als neuer Gesamt-Sollwert aufaddiert wird.It is advantageous that the pressure rollers are brought into the raised position and force-controlled into the operative position. It is appropriate here if the force control loop is preferably proportionally controlled, if the force setpoint specification corresponds to the tape guide force and if the actual value of the position control loop is set as a base value upon reaching the specified tape guide force, to which the next jump to the raised position as a new total Setpoint is added.
Dadurch wird erreicht, daß auch bei Auftreten von Mehrfachfaltungen des Bandes nach Erreichen der vorgegebenen Bandführungskraft keine zusätzlichen Andruckkräfte auf das Band und damit auf den Haspeldorn ausgeübt werden. Der Istwert des Positionsregelkreises wird bei jedem neu eingestellten Spalt zwischen Andruckrolle und Haspeldorn sobald der Kraftsollwert und der Kraftistwert jeweils gleich ist als Basiswert gesetzt, auf den der nächste Sprung jeweils aufaddiert wird. so daß auch bei Mehrfachfaltungen die Sprunghöhe der Andruckrollen, die auf die Andruckrolle folgen, welche die erste Mehrfachfaltung passiert hat, wieder auf den vorgegebenen bandeigenen Sollwert abgehoben werden kann.This ensures that even if multiple folds of the band occur after reaching the predetermined band guide force, no additional pressure forces are exerted on the band and thus on the reel mandrel. The actual value of the position control loop is set for each newly set gap between the pressure roller and the reel mandrel as soon as the force setpoint and the actual force value are the same as the base value to which the next jump is added. so that, even in the case of multiple folds, the jump height of the pressure rollers which follow the pressure roller which has passed the first multiple folds can be raised again to the predefined setpoint of the belt.
Um die Beschädigung des Bandes und der Andruckrollen sowie deren Anstellvorrichtungen zu verhindern, besteht auch die Möglichkeit, zumindest die in Bandeinlaufrichtung letzte Andruckrolle positions- und dieser Regelung unterlagert kraftgeregelt anzustellen. Dadurch lassen sich minimale Andruckkräfte realisieren, die eine Beschädigung des Bandes sowie der Haspeleinrichtungen verhindert.In order to prevent damage to the belt and the pressure rollers and their adjusting devices, it is also possible to position at least the last pressure roller in the direction of the tape entry and force-controlled under this control. This allows minimal pressure forces to be realized, which prevents damage to the belt and the reel devices.
Es hat sich bewährt, daß die Position des Bandanfangs mittels eines Bandverfolgungssystems laufend bestimmt wird, daß das Bandverfolgungssystem durch einen Beschleunigungsgeber und/oder eine Kraftmeßdose am Ausgangstreiber der dem Haspel vorgelagerten Walzlinie bzw. durch einen den Bandanfang berührungslos erfassenden Schalter gestartet wird, daß das Bandverfolgungssystem über an den Andruckrollen angeordneten Beschleunigungsgebern und/oder Kraftmessern vom einlaufenden Band synchronisiert wird und daß die Position des Bandanfanges aus der Umfangsgeschwindigkeit der Treiberrolle aus der Banddicke sowie den geometrischen Abmessungen der Haspelanlage errechnet wird.It has been proven that the position of the strip start is continuously determined by means of a strip tracking system, that the strip tracking system is started by an accelerometer and / or a load cell at the output driver of the rolling line upstream of the reel or by a switch that detects the strip start without contact is synchronized by means of accelerators and / or force gauges arranged on the pressure rollers from the incoming belt and that the position of the beginning of the belt is calculated from the peripheral speed of the driving roller from the belt thickness and the geometric dimensions of the reel system.
Nachahmenswert ist, daß der Haspeldorn positionsgeregelt gespreizt wird und daß dem Positionsregelkreis das Maß für die radiale Beabstandung der Andruckrollen vom Haspeldorn entnommen wird.It is worth emulating that the coiler mandrel is spread in a position-controlled manner and that the position control loop takes the measure for the radial spacing of the pressure rollers from the coiler mandrel.
Dadurch läßt sich das genaue Maß für die radiale Beabstandung der Andruckrollen ermitteln, so daß die Andruckrollen auch während der Spreizbewegung des Dorns keine Kräfte bzw. genau die vorgegebenen Kräfte auf den Haspeldorn ausüben. Hinzu kommt, daß Coils mit genau bestimmbarem Innendurchmesser gewickelt werden können.This allows the exact dimension for the radial spacing of the pressure rollers to be determined, so that the pressure rollers do not exert any forces or exactly the predetermined forces on the reel mandrel even during the spreading movement of the mandrel. In addition, coils with precisely determinable inner diameters can be wound.
Sollten Fehler im Bandverfolgungssystem vorliegen, bzw. Mehrfachfaltungen des Bandes vorkommen, so kann es sich auch empfehlen, daß in Abhängigkeit vom Überschreiten vorgegebener Schwellwerte der an den Andruckrollen durch die Kraftmesser gemessenen, vom Band bewirkten Kräfte alle Andruckrollen entsprechend weit zum Haspeldorn beabstandet werden, und daß beim weiteren Überschreiten des oder der Schwellwerte die Andruckrollen vollständig vom Haspeldorn abgeschwenkt werden. Dadurch können Beschädigungen der Haspeleinrichtung und des Bandes möglichst klein gehalten werden.If there are errors in the belt tracking system or multiple folds of the belt occur, it may also be advisable that depending on the exceeding of predetermined threshold values of the forces measured on the pressure rollers by the force sensors and caused by the belt, all the pressure rollers are spaced accordingly far from the coiler mandrel, and that when the threshold value or thresholds are exceeded further, the pressure rollers are pivoted completely away from the coiler mandrel. Damage to the reel device and the belt can thereby be kept as small as possible.
Ein in der Figur dargestelltes Ausführungsbeispiel, an dem die erfindungsgemäße Steuerung erläutert werden soll, wird nachstehend näher beschrieben.An exemplary embodiment shown in the figure, on which the control according to the invention is to be explained, is described in more detail below.
Die Figur zeigt einen offen dargestellten Treiber 1, dem in Bandlaufrichtung eine nicht gezeigte Führung für das Band 2 nachgeordnet ist. Ebenfalls in Bandlaufrichtung hinter dem Treiber 1 ist ein berührungslos arbeitender Schalter 3, z.B. eine Lichtschranke oder ein Düse-Prallplatte-System angeordnet. Dem Haspeldorn 4 sind Andruckrollen 5, 6, 7 und 8 zugeordnet. Die Andruckrollen 5, 6, 7, 8 sind über Hydraulikzylinder 9, 9', 9'', 9''' in abgehobene Position bzw. in Wirkstellung bringbar. Die Hydraulikzylinder 9, 9', 9'', 9''' besitzen Kraftmesser 10, 10', 10'', 10'''und Positionsgeber 11, 11', 11'', 11'''.The figure shows an open driver 1, which is followed by a guide, not shown, for the
Im folgenden wird die Funktion der erfindungsgemäßen Steuerung beschrieben. Alle für die Berechnung der Position des Bandanfangs notwendigen, haspelsystemeigenen Abmessungen sind im Rechner des nicht dargestellten Bandverfolgungssystems abgelegt. Lediglich die Banddicke des zu wickelnden Bandes 2 wird in den Rechner eingegeben.The function of the control system according to the invention is described below. All the dimensions of the reel system that are necessary for the calculation of the position of the strip start are stored in the computer of the strip tracking system, not shown. Only the strip thickness of the
Sobald das Band 2 den Schalter 3 passiert hat, wird der Treiber 1 zu gestellt und der Rechner, und damit die laufende Berechnung der Position des Bandanfangs gestartet. Die Andruckrollen 5, 6, 7, 8 sind auf ihre in der Figur gezeigte Position eingestellt, bei der der Spalt zwischen den jeweiligen Andruckrollen 5, 6, 7, 8 und dem Haspeldorn 4 um einen im Rechner abgelegten Betrag größer als die Banddicke ist, wobei der Spalt in Bandeinlaufrichtung von Andruckrolle zu Andruckrolle abnimmt und für die Andruckrolle 5 bspw. 2,5 mal der Banddicke entspricht. Aus der Umfangsgeschwindigkeit der Treiberrollen läßt sich die Bandgeschwindigkeit ableiten.As soon as
Trifft der Bandanfang auf die nicht gezeigte Umlenkschale von Rolle 5, so wird der über den Kraftmesser 10 ermittelte Kraftimpuls zur Synchronisation der errechneten und der tatsächlichen Position des Bandanfangs benutzt. Über diese Umlenkschale wird der Bandanfang zur Andruckrolle 6 hin gebogen. Entsprechend wird der Bandanfang weiterhin zur Rolle 7 und zur Rolle 8 gebogen. Hat der Bandanfang entsprechend der im Bandverfolgungssystem errechneten Position die Andruckrolle 8 passiert, so wird die Andruckrolle 5 mittels des Zylinders 9 für die zweite Wicklungslage positionsgeregelt in Position gelt in Wirkstellung gebracht. Gleichzeitig werden die Andruckrollen 6, 7, 8 kraftgeregelt in Wirkstellung gebracht. Dabei nehmen die Kraftsollwerte in Bandeinlaufrichtung von Andruckrolle zu Andruckrolle zu, wobei die Kraftsollwerte jedoch nie so eingestellt werden, daß Anpreßkräfte auf den Haspeldorn 4 wirken.If the beginning of the band hits the deflection shell (not shown) of
Sobald die vom Bandanfang bewirkte Stufe die Andruckrolle 5 passiert hat, wird diese in Wirkstellung gebracht. Diese Wirkstellung überschreitet das Maß der zweifachen Dicke des Bandes 2 um den im Rechner abgelegten Zuschlag.As soon as the step caused by the beginning of the tape has passed the
Nachdem die Stufe die Andruckrolle 5 passiert hat, wird der Haspeldorn 4 über einen Positionsregelkreis 12 gespreizt.After the step has passed the
Entsprechend abgehoben und wieder in Wirkstellung gebracht werden die Andruckrollen 6, 7 und 8 beim Aufwickeln der zweiten Windung. Dabei wird die Wirkstellung sowie die abgehobene Position der Andruckrollen 5, 6, 7, 8 jeweils um das Maß, welches der Haspeldorn, während die zweite Windung gespreizt wird, korrigiert.The
Sollte es während des Anwickelns zu Fehlern in der Berechnung des Bandanfangs kommen, die bewirken, daß der Bandanfang bzw. ein durch diesen bewirkten Stufe auf eine nicht in abgehobene Position gebrachte Andruckrolle 5, 6, 7, 8 stößt, so wird in einem der Kraftmesser 10, 10', 10'', 10''' eine Kraftspitze gemessen. Überschreitet diese Kraftspitze vorgegebene Schwellwerte, so werden die Andruckrollen in Abhängigkeit der Höhe des überschrittenen Schwellwertes vom Haspeldorn beabstandet. Wird an der in Wickelrichtung nächsten Andruckrolle abermals eine Kraftspitze gemessen, so werden die Andruckrollen 5, 6, 7, 8 vollständig vom Haspeldorn abgeschwenkt.If errors occur in the calculation of the tape start during the winding-up, which cause the tape start or a step caused by it to come into contact with a
- 11
- Treiberdriver
- 22nd
- Bandtape
- 33rd
- Schaltercounter
- 44th
- HaspeldornReel mandrel
- 55
- AndruckrollePinch roller
- 66
- AndruckrollePinch roller
- 77
- AndruckrollePinch roller
- 88th
- AndruckrollePinch roller
- 9, 9', 9'', 9'''9, 9 ', 9' ', 9' ''
- HydraulikzylinderHydraulic cylinder
- 10, 10', 10'', 10'''10, 10 ', 10' ', 10' ''
- KraftmesserDynamometer
- 11, 11', 11'', 11'''11, 11 ', 11' ', 11' ''
- PositionsgeberPosition transmitter
- 1212
- PositionsregelkreisPosition control loop
Claims (12)
- Method for the control of a pressure roller, which is displaceable by cylinders actuable by pressure medium, during the initial winding of strip in coiling plants, wherein the beginning of the entering strip is seized and tracked while encircling the coiling mandrel and its respective position is evaluated for the positioning of the pressure rollers and the pressure rollers are raised each time before the entry of the beginning of the strip as well as before the beginning of the next winding layer in such a manner that the gap formed between the pressure roller and the coiling mandrel exceeds the thickness of the already entered strip by an amount exceeding the strip thickness as well as the pressure roller is lowered out of this position into operative setting against the coiling mandrel each time after the passage of the beginning of the strip, characterised thereby, that the gap, which in the operative setting is formed between the pressure roller (5, 6, 7, 8) and the coiling mandrel (4), is set to at least n times the strip thickness, wherein n corresponds to the number of the layers of the strip to be coiled, which have already been applied onto the coiling mandrel (4) in the region of the respective pressure roller and that a slip-free bearing of the strip (2) against the coiling mandrel (4) is brought about by splaying of the coiling mandrel (4) preferably onwards from the beginning of the second layer, wherein the pressure rollers (5, 6, 7, 8) are spaced from the coiling mandrel (4) by the amount of the radial movement of the coiler segments during the splaying movement of the coiling mandrel (4).
- Method according to claim 1, characterised thereby, that the formed gap in the operative setting reduces from pressure roller to pressure roller in the direction of entry of the strip.
- Method according to claim 1 or 2, characterised thereby, that the respective target value of each of the gaps formed between the pressure rollers (5, 6, 7, 8) and the coiling mandrel (4) is so dimensioned that the pressure rollers (5, 6, 7, 8) are capable of deflecting the entering strip (2), but do not cause any forces directed radially against the surface of the coiling mandrel (4).
- Method for the control of a pressure roller, which is displaceable by cylinders actuable by pressure medium, during the initial winding of strip in coiling plants, wherein the beginning of the entering strip is seized and tracked while encircling the coiling mandrel and its respective position is evaluated for the positioning of the pressure rollers and the pressure rollers are raised each time before the entry of the beginning of the strip as well as before the beginning of the next winding layer in such a manner that the gap formed between the pressure roller and the coiling mandrel exceeds the thickness of the already entered strip by an amount exceeding the strip thickness as well as the pressure roller is lowered out of this position into operative setting against the coiling mandrel each time after the passage of the beginning of the strip, characterised thereby, that an operative setting, which falls slightly below n times the strip thickness, is provided for the last pressure roller (8) in the direction of entry of the strip, that an operative setting, which is greater than or equal to n times the strip thickness, is provided for the penultimate pressure roller (7) in the direction of entry of the strip, that operative settings, which exceed n times the strip thickness by an addition, are provided for the pressure rollers (6, 5) arranged in front of the last two pressure rollers (8, 7), that the addition rises from pressure roller (6) to pressure roller (5) oppositely to the direction of entry of the strip and that a slip-free bearing of the strip (2) against the coiling mandrel (4) is brought about by splaying of the coiling mandrel (4) preferably onwards from the beginning of the second layer, wherein the pressure rollers (5, 6, 7, 8) are spaced from the coiling mandrel (4) by the amount of the radial movement of the coiler segments during the splaying movement of the coiling mandrel (4).
- Method according to at least one of the claims 1 to 4, characterised thereby, that the height of the positions before the entry of the beginning of the strip or before the beginning of the next winding layer reduces from pressure roller to pressure roller in the direction of entry of the strip (2).
- Method according to at least one of the claims 1 to 4, characterised thereby, that the pressure rollers (5, 6, 7, 8) are positioned to be equally high before the entry of the beginning of the strip or before the beginning of the next winding layer.
- Method according to at least one of the claims 1 to 6, characterised thereby, that the pressure rollers (5, 6, 7, 8) are brought positionally regulated into the raised position and force-regulated into the operative setting.
- Method according to claim 7, characterised thereby, that the force-regulating loop is preferably regulated proportionally, that the presetting of the target force value corresponds to the strip-guiding force and that, on reaching the preset strip-guiding force, the actual value of the position-regulating loop is set as the base value, to which the next step into the raised position is added as new total target value.
- Method according to at least one of the claims 1 to 6, characterised thereby, that the pressure rollers (5, 6, 7, 8) are brought positionally regulated into the effective setting, whilst at least the last pressure roller (8) in the direction of entry of the strip is screwed down regulated in position and force.
- Method according to at least one of the claims 1 to 9, characterised thereby, that the position of the beginning of the strip is continuously ascertained by means of a strip-tracking system, that the strip-tracking system is started either by an acceleration pick-up or by a force-measuring cell at the output driver of the rolling train disposed upstream of the coiler or by a switch (3) contactlessly detecting the beginning of the strip, that the strip-tracking system is synchronised by the entering strip (2) by way of acceleration pick-ups and/or force-measuring devices (10, 10', 10'', 10''') arranged at the pressure rollers (5, 6, 7, 8) and that the position of the beginning of the strip is computed from the peripheral speed of the driver roll (1), from the strip thickness as well as from the geometric dimensions of the coiling plant.
- Method according to at least one of the claims 1 to 10, characterised thereby, that the coiling mandrel (4) is splayed in positionally regulated manner and that the measure for the radial spacing of the pressure rollers (5, 6, 7, 8) from the coiling mandrel (4) is derived from the position-regulating loop (12).
- Method according to at least one of the claims 1 to 11, characterised thereby, that in dependence on the exceeding of preset threshold values of the forces caused by the strip (2) and measured at the pressure rollers (5, 6, 7, 8) by way of the force-measuring devices (10, 10', 10'', 10'''), all pressure rollers (5, 6, 7, 8) are spaced corresponding far from the coiling mandrel (4) and that the pressure rollers (5, 6, 7, 8) are pivoted away fully from the coiling mandrel (4) on the further exceeding of the or each threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT90105316T ATE97631T1 (en) | 1989-04-05 | 1990-03-21 | METHOD OF COILING TAPES IN COILING PLANTS. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3910991A DE3910991A1 (en) | 1989-04-05 | 1989-04-05 | METHOD FOR WINDING TAPES IN REELING PLANTS |
| DE3910991 | 1989-04-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0391135A2 EP0391135A2 (en) | 1990-10-10 |
| EP0391135A3 EP0391135A3 (en) | 1991-03-06 |
| EP0391135B1 true EP0391135B1 (en) | 1993-11-24 |
Family
ID=6377904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90105316A Expired - Lifetime EP0391135B1 (en) | 1989-04-05 | 1990-03-21 | Web winding device |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5149004A (en) |
| EP (1) | EP0391135B1 (en) |
| JP (1) | JP2789371B2 (en) |
| AT (1) | ATE97631T1 (en) |
| DE (2) | DE3910991A1 (en) |
| ES (1) | ES2047734T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654913A (en) * | 2019-09-12 | 2020-01-07 | 王军 | Device for straightening rubber water stop by rotating |
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| JP3203980B2 (en) * | 1994-10-07 | 2001-09-04 | ノーリツ鋼機株式会社 | Photo printing equipment |
| US5743483A (en) * | 1997-03-27 | 1998-04-28 | Illinois Tool Works Inc. | Anti-vibration system for high speed winding of sheet material and method therefor |
| DE29825030U1 (en) * | 1997-08-15 | 2004-06-17 | Sms Demag Ag | Rotary coiler |
| DE19825723A1 (en) * | 1998-06-09 | 1999-12-16 | Schloemann Siemag Ag | Device for positioning a smoothing roll which can be displaced and adjusted against the reel mandrel of a strip reel during the bundle build-up |
| KR100428893B1 (en) * | 1999-12-28 | 2004-04-28 | 주식회사 포스코 | Movement distance control method of unit roll at down-coiler |
| US7163173B2 (en) * | 2000-12-22 | 2007-01-16 | Fuji Photo Film Co., Ltd. | Method of and apparatus for winding web |
| US6820831B2 (en) * | 2001-03-14 | 2004-11-23 | Fuji Photo Film Co., Ltd. | Winding method and device for photo film and photo film carrier |
| JP2004256215A (en) * | 2003-02-25 | 2004-09-16 | Fuji Photo Optical Co Ltd | Winding device |
| DE102013106274A1 (en) * | 2013-06-17 | 2014-12-18 | Markus Lerchenmüller | Bandhaspelanordnung for winding and / or unwinding a metal strip |
| CN104609234A (en) * | 2014-12-10 | 2015-05-13 | 芜湖市万华塑料制品有限公司 | Elastic double-roller pressing type paper rolling device for motor stator insulation paper |
| EP3050640B1 (en) * | 2015-01-30 | 2019-08-28 | Fagor Arrasate, S.Coop. | Winding device and method for winding strips |
| JP6179877B2 (en) * | 2015-02-16 | 2017-08-16 | カシオ計算機株式会社 | Front / back reversing unit, winding slip prevention unit, winding slip prevention method, and image forming apparatus |
| CN107572022A (en) * | 2017-09-25 | 2018-01-12 | 周梦溪 | A kind of Novel air gel packaging unit for coils |
| CN107521997B (en) * | 2017-09-25 | 2020-06-02 | 响水华夏特材科技发展有限公司 | Aerogel coiled material packagine machine |
| IT202100011720A1 (en) | 2021-05-07 | 2022-11-07 | A C M I Spa | MACHINE FOR STABILIZING PALLETIZED LOADS WITH REEL CHANGE SYSTEM |
| IT202100011741A1 (en) * | 2021-05-07 | 2022-11-07 | A C M I Spa | MACHINE FOR UNWINDING AND REWINDING OF A COATING TAPE INTENDED FOR THE STABILIZATION OF PALLETIZED LOADS |
| CN113602854B (en) * | 2021-08-06 | 2023-11-21 | 杭州丙甲科技有限公司 | Method and mechanism for winding strip material |
| CN113911788A (en) * | 2021-10-27 | 2022-01-11 | 领胜城科技（江苏）有限公司 | External drive type nanocrystalline coiled material positioning device |
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| US3081958A (en) * | 1961-01-19 | 1963-03-19 | United States Steel Corp | Device for measuring coil diameters |
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| SU410848A1 (en) * | 1971-12-13 | 1974-01-15 | ||
| IT983930B (en) * | 1973-04-17 | 1974-11-11 | Innocenti Santeustacchio Spa | WINDING MACHINE FOR SHEET AND SIMILAR TAPES FOR THE FORMATION OF COILS ON SUPPORTS OF DIFFERENT DIAMETERS |
| JPS5934612B2 (en) * | 1975-07-18 | 1984-08-23 | 三菱重工業株式会社 | Film material winding method and device |
| US4063440A (en) * | 1976-04-16 | 1977-12-20 | Mesta Machine Company | Quick-change coiler assembly for strip mills and the like |
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| DE3318031C2 (en) * | 1983-05-18 | 1985-10-10 | Mannesmann AG, 4000 Düsseldorf | Method and device for controlling the pressure rollers of a tape reel that are influenced by cylinders that are actuated by pressure medium |
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-
1989
- 1989-04-05 DE DE3910991A patent/DE3910991A1/en not_active Withdrawn
-
1990
- 1990-03-21 DE DE90105316T patent/DE59003571D1/en not_active Expired - Lifetime
- 1990-03-21 ES ES90105316T patent/ES2047734T3/en not_active Expired - Lifetime
- 1990-03-21 EP EP90105316A patent/EP0391135B1/en not_active Expired - Lifetime
- 1990-03-21 AT AT90105316T patent/ATE97631T1/en not_active IP Right Cessation
- 1990-04-05 JP JP2089283A patent/JP2789371B2/en not_active Expired - Lifetime
-
1992
- 1992-01-16 US US07/823,049 patent/US5149004A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654913A (en) * | 2019-09-12 | 2020-01-07 | 王军 | Device for straightening rubber water stop by rotating |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3910991A1 (en) | 1990-10-11 |
| JP2789371B2 (en) | 1998-08-20 |
| EP0391135A3 (en) | 1991-03-06 |
| DE59003571D1 (en) | 1994-01-05 |
| ES2047734T3 (en) | 1994-03-01 |
| US5149004A (en) | 1992-09-22 |
| EP0391135A2 (en) | 1990-10-10 |
| ATE97631T1 (en) | 1993-12-15 |
| JPH0323014A (en) | 1991-01-31 |
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