EP0221373B1 - Indexable coiler - Google Patents

Indexable coiler Download PDF

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Publication number
EP0221373B1
EP0221373B1 EP86113825A EP86113825A EP0221373B1 EP 0221373 B1 EP0221373 B1 EP 0221373B1 EP 86113825 A EP86113825 A EP 86113825A EP 86113825 A EP86113825 A EP 86113825A EP 0221373 B1 EP0221373 B1 EP 0221373B1
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EP
European Patent Office
Prior art keywords
reel
drive
converging
reels
setting
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
Application number
EP86113825A
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German (de)
French (fr)
Other versions
EP0221373A1 (en
Inventor
Manfred Rothenpieler
Gerhard Diehl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Schloemann Siemag AG
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Filing date
Publication date
Application filed by SMS Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to AT86113825T priority Critical patent/ATE49357T1/en
Publication of EP0221373A1 publication Critical patent/EP0221373A1/en
Application granted granted Critical
Publication of EP0221373B1 publication Critical patent/EP0221373B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/245—Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/28—Drums or other coil-holders
    • B21C47/30—Drums or other coil-holders expansible or contractible
    • 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
    • B65H18/02—Supporting web roll
    • B65H18/021—Multiple web roll supports
    • B65H18/0212—Turrets
    • 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
    • B65H18/02—Supporting web roll
    • B65H18/04—Interior-supporting
    • 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
    • B65H2301/4134—Both ends type arrangement
    • B65H2301/41346—Both ends type arrangement separate elements engaging each end of the roll (e.g. chuck)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/90—Machine drive
    • B65H2403/94—Other features of machine drive
    • B65H2403/942—Bidirectional powered handling device

Definitions

  • the invention is based on a reversible reel with two reels, which are mounted on a rotatable head plate and can be driven independently of one another and are intended for the successive continuous winding of rolled strip, each of which has drums which consist of a plurality of segments which can be spread and which are axially displaceable with wedge-shaped sliding surfaces support the reel shafts mounted on the head plate, designed as hollow shafts, which are penetrated by punches which can be axially displaced by means of actuators, the free ends of which are connected to the segments by means of connecting flanges for transmitting the spreading or de-spreading movement, and in which the reel is rotated by rotating the head plate are cyclically movable from a starting position to a transfer position.
  • the known reversible reel corresponding to the genus has actuators which are firmly connected to the reels and which considerably increase the masses of the system to be accelerated or braked, so that large and expensive drives, gears and couplings are necessary.
  • the drive medium required for the operation of these actuators e.g. a hydraulic oil
  • a pressure accumulator is assigned to each reel in addition to the actuator that is firmly connected to it, which has to carry out the corresponding rotary movements, so that this also incurs considerable system and operating costs.
  • the object of the invention is to create a reversible reel which is simple in construction and can be produced cost-effectively and which does not require media feeds to the actuators which are susceptible to faults.
  • the plunger of the reel keeps the segments of the drums in a spread state by means of compression springs in a manner known per se, that at least one stationary actuator is provided, the actuator of which is the plunger of a retracted position into its despreading position Haspels to carry out a despreading movement against the force of the compression spring, and that the actuator has a coupling claw into which corresponding coupling elements on the reel shafts can be inserted with play during the rotation of the head plate, so that a positive connection of the actuator with the respective in the Position of the actuator retracted reel can be effected.
  • reels the drums of which are held in a spread state by spring force, makes it unnecessary to carry the actuators with the rotary movement of the reel and the head plate. Only where the coil of tape is to be removed from the reel or slid onto the reel is a stationary actuator required, which is always connected to the feed line via fixed media feeds. To ensure that no forces act on the bearings of the reel shaft in the axial direction and no forces on the bearings of the head plate occur when despreading a reel drum, the reel shaft and actuator have coupling elements that are positively connected before each expansion movement of the actuator and absorb corresponding axial forces.
  • the stationary actuator is arranged in the band collar transfer position.
  • a second, stationary actuator is provided in the area of the starting position that detects the beginning of the tape.
  • the actuator can perform a full de-spreading stroke in the band bundle transfer position, while the actuator in the starting position capturing the band bundle must cause a stroke that only slightly de-stresses the reel drum.
  • the full despreading of the reel drum in the tape bundle transfer position allows the wound tape bundles to be pulled off.
  • the partial despreading of the reel drum in the starting position makes it easier to wind up the beginning of the tape.
  • the first two to three turns are wound with a partially despread reel.
  • the reel drum is then spread so that the initial turns are firmly seated on the reel drum.
  • corresponding bearings on the coupling claw of the stationary actuator take up the rotation of the reel.
  • the steep drives expediently consist of two drive units, namely a despreading drive that can be moved on guides and a displacement drive that moves the despreading drive.
  • the sliding drive can cancel the play provided between the coupling claw and the coupling elements of the reel shafts or can be restored after the despreading.
  • the game is necessary in any case, so that no damage can occur when the reel is moved into a despread position of the stable drive.
  • play would have a disadvantageous effect in the de-spreading movement, since undesirable forces would be transmitted to the reel shaft and the head plate.
  • the advantage here is that the despreading and displacement drive can cancel the play provided between the coupling claw and the coupling element of the reel shaft or, after despreading together with a stop, can be restored to act on the displacement.
  • a further, expedient embodiment of the reversible reel according to the invention results from the fact that at least one reel is assigned a stop for positioning a rolled strip sleeve on the reel drum in accordance with the roll center.
  • Fig. 1 shows a reversible reel 1 according to the invention in its front view.
  • the reversible reel 1 has a head plate 2 with front toothing 3, in which drive gearwheels 4 of motors 5 (see FIG. 2) and a guide wheel 6 engage.
  • the head plate 2 can be rotated clockwise or counterclockwise in accordance with the desired operating mode — winding or unwinding — via the drive toothed wheels 4.
  • the motors 5 can be controlled in such a way that jerky tooth flank changes between the drive gears 4 and the toothing 3 of the head plate 2 are prevented by the uneven mass distribution on the head plate 2.
  • reels 7 and 8 are rotatably mounted, which reach through the head plate 2.
  • the reel 7 and 8 are of the same construction, but the reel 7 is in the starting position in which the beginning of the tape is gripped by wrapping not shown and wound in a few turns.
  • the reel 8, on which there is a completely wound band coil 9, is shown in the band coil transfer position.
  • This drive of the reels 7 and 8 renders rotary drives which are firmly attached to the reels and which have to be supplied with energy by complicated and fault-prone rotary feeds superfluous. At the same time, this type of drive makes the masses to be driven very small.
  • FIG. 3 shows the reel 8 in the band coil transfer position. The reel 8 has been moved into the actuator 18.
  • the reel 8 consists of a reel shaft 19 in which a punch 20 is axially displaceably mounted.
  • the reel shaft 19 has wedge-shaped sliding surfaces 21 on which segments 22 are axially displaceably supported. By axially displacing the segments 22 on the wedge-shaped sliding surfaces 21, spreading movements of the segments 22 forming the reel drum 23 can be brought about.
  • the segments 22 are connected to the stamp 20 via a connecting flange 24.
  • the reel drum 23 is held in the spread state by a compression spring 25 arranged between the reel shaft 19 and the punch 20. By acting on the plunger 20 against the spring force, the reel drum 23 can be expanded.
  • a coupling element 26 is provided at the free end of the reel shaft 19.
  • the clutch element 26 is inserted into the clutch claw 27 of the actuator 18 with play.
  • the actuator 18 has a despreading drive 28 and a displacement drive 29.
  • the despreading drive 28 can be moved back and forth on guides 30 in the direction of the reel 8. The traversing movement is brought about by the piston 31 of the displacement drive 29 connected to the despreading drive 28 via the piston rod 31.
  • FIG 5 shows the reel 8 with a despread reel 23.
  • the piston 33 of the despreading drive 28 has been moved in the direction of the reel shaft 19.
  • the piston rod 34 has axially displaced the plunger 20 against the force of the compression spring 25 and the segments 22 have been moved into the despread position on the wedge-shaped sliding surface 21.
  • the reel drum 23 is spread again by pulling back the piston rod 34 and by means of a stamp 20 which is reset by spring force. Subsequently, the play between coupling element 26 and coupling claw 27 is restored by actuating the sliding drive 29, so that the reel 8 can move out of the band collar transfer position.
  • the sell drives fixedly arranged on the reels must be controlled in such a way that the pistons of the actuators carry out a large stroke in the band coil transfer position and only a small stroke in the starting position. Due to the large stroke, the reel drum must be fully despread so that the coils can be removed. The small stroke only serves to facilitate the winding and fixing of the first turns of the rolled strip on the reel drum.
  • the actuator always executes only a small expansion stroke in the starting position, while the actuator always has to carry out a large expansion stroke in the band coil transfer position. Controls that cause an actuator to have a large stroke and a small stroke are not required.
  • the stop 35 which is controlled by a piston-cylinder unit 36, serves for the positioning of a rolled strip sleeve on the reel drum 23 in accordance with the roll center.
  • FIG. 6 shows an actuator 18 ', which is simpler in construction than the actuator 18 of FIGS. 3 to 5 and can be produced more cost-effectively.
  • the actuator 18 ' consists of a despreading and shifting drive 37 which effects both the displacement movements of the despreading and shifting drive 37 which cancel or restore the play between the coupling element 26 and the clutch claw 27' and the despreading movement of the plunger 20.
  • the piston 40 is acted on in such a way that the piston rod 39 is moved against a stop 38.
  • the despreading and displacement drive 37 is moved on the guide 30 ′ towards the plunger 20. The play between the coupling element 26 and the coupling claw 27 'is restored.

Abstract

A reversible reel assembly including two rotatable reels for successively, continuously winding rolled strip. The two reels are mounted on a rotatable head plate and are rotatably driven independently from each other. In order to supply the positioning drives of the reels with drive media, rotatable media supplies which are trouble-prone and expensive are required. In order to provide a reversible reel assembly without trouble-prone media supplies, a reel is suggested in which the reel drums are continuously spread-apart by means of the force of a spring and the positioning drives are arranged stationary independently from the reels, so that the reels can be moved into the positioning drives in certain positions and the movement of the segments between a position of rest and a spread-apart position can be effected in these positions.

Description

Die Erfindung geht aus von einem Wendehaspel mit zwei an einer drehbaren Kopfplatte gelagerten, unabhängig voneinander drehantreibbaren, zum aufeinanderfolgenden kontinuierlichen Wickeln von Walzband vorgesehenen Haspeln, welche jeweils Trommeln aufweisen, die aus mehreren, spreizbewegbaren Segmenten bestehen, welche sich mit keilförmig ausgebildeten Gleitflächen axial verschiebbar gegen die an der Kopfplatte gelagerten, als Hohlwellen ausgebildeten Haspelwellen abstützen, die von mittels Stellantrieben axial verschiebbaren Stempeln durchgriffen sind, deren freie Enden vermittels Anschlußflanschen zur Übertragung der Spreiz- bzw. Entspreizbewegung mit den Segmenten verbunden sind, und bei welchem die Haspel durch Drehen der Kopfplatte zyklisch jeweils aus einer Ausgangs- in eine Übergabeposition fahrbar sind.The invention is based on a reversible reel with two reels, which are mounted on a rotatable head plate and can be driven independently of one another and are intended for the successive continuous winding of rolled strip, each of which has drums which consist of a plurality of segments which can be spread and which are axially displaceable with wedge-shaped sliding surfaces support the reel shafts mounted on the head plate, designed as hollow shafts, which are penetrated by punches which can be axially displaced by means of actuators, the free ends of which are connected to the segments by means of connecting flanges for transmitting the spreading or de-spreading movement, and in which the reel is rotated by rotating the head plate are cyclically movable from a starting position to a transfer position.

Die bekannten, der Gattung entsprechenden Wendehaspel weisen fest mit den Haspeln verbundene Stellantriebe auf, welche die zu beschleunigenden bzw. abzubremsenden Massen der Anlage erheblich erhöhen, so daß große und kostspielige Antriebe, Getriebe und Kupplungen notwendig werden. Die Einspeisung des für den Betrieb dieser Stellantriebe erforderlichen Antriebsmediums, bspw. eines Hydrauliköls, erfolgt über störanfällige, kostspielige Drehzuführungen oder über Medienkupplungen, die während der Stillstandsphasen - z.B. bei der Bandbund-Übergabe - die Speiseleitung mit einem Druckspeicher verbinden. Bei einem derartigen Aufbau ist an jedem Haspel neben dem fest mit diesem verbundenen Stellantrieb ein Druckspeicher zugeordnet, der die entsprechenden Drehbewegungen mit durchzuführen hat, so daß auch hierdurch erhebliche Anlagen- und Betriebskosten anfallen.The known reversible reel corresponding to the genus has actuators which are firmly connected to the reels and which considerably increase the masses of the system to be accelerated or braked, so that large and expensive drives, gears and couplings are necessary. The drive medium required for the operation of these actuators, e.g. a hydraulic oil, is fed in via fault-prone, expensive rotary feeders or via media couplings that are activated during the standstill phases - e.g. at the handover of the coil - connect the feed line to a pressure accumulator. With such a structure, a pressure accumulator is assigned to each reel in addition to the actuator that is firmly connected to it, which has to carry out the corresponding rotary movements, so that this also incurs considerable system and operating costs.

Der Erfindung liegt die Aufgabe zugrunde, einen in der Konstruktion einfachen, kostengünstig erstellbaren Wendehaspel zu schaffen, der ohne störanfällige Medienzuführungen zu den Stellantrieben auskommt.The object of the invention is to create a reversible reel which is simple in construction and can be produced cost-effectively and which does not require media feeds to the actuators which are susceptible to faults.

Diese Aufgabe wird dadurch gelöst, daß die Stempel der Haspel in an sich bekannter Weise die Segmente der Trommeln mittels Druckfedern in gespreiztem Zustand halten, daß mindestens ein stationär angeordneter Stellantrieb vorgesehen ist, dessen Stellglied den Stempel eines in seine Entspreizstel- ...mg eingefahrenen Haspels zur Durchführung einer Entspreizbewegung gegen die Kraft der Druckfeder durchzudrücken vermag, und daß der Stellantrieb eine Kupplungsklaue aufweist, in die während der Drehung der Kopfplatte entsprechende Kupplungselemente an den Haspelwellen mit Spiel einfahrbar sind, so daß eine formschlüssige Verbindung des Stellantriebes mit dem jeweilig in die Stellung des Stellantriebes eingefahrenen Haspel bewirkbar ist.This object is achieved in that the plunger of the reel keeps the segments of the drums in a spread state by means of compression springs in a manner known per se, that at least one stationary actuator is provided, the actuator of which is the plunger of a retracted position into its despreading position Haspels to carry out a despreading movement against the force of the compression spring, and that the actuator has a coupling claw into which corresponding coupling elements on the reel shafts can be inserted with play during the rotation of the head plate, so that a positive connection of the actuator with the respective in the Position of the actuator retracted reel can be effected.

Die Verwendung von Haspeln, deren Trommeln durch Federkraft in gespreiztem Zustand gehalten werden, macht das Mitführen der Stellantriebe bei der Drehbewegung der Haspel und der Kopfplatte überflüssig. Lediglich dort, wo das Bandbund vom Haspel abgenommen bzw. auf denselben aufgeschoben werden soll, ist ein stationär angeordneter Stellantrieb notwendig, der stets über feste Medienzuführungen mit der Speiseleitung verbunden ist. Damit beim Entspreizen einer Haspeltrommel keine die Lager der Haspelwelle in axialer Richtung beaufschlagenden Kräfte und auch keine die Lager der Kopfplatte beanspruchenden Kräfte auftreten, weisen Haspelwelle und Stellantrieb Kupplungselemente auf, die vor jeder Spreizbewegung des Stellgliedes formschlüssig verbunden werden und entsprechend auftretende axiale Kräfte aufnehmen.The use of reels, the drums of which are held in a spread state by spring force, makes it unnecessary to carry the actuators with the rotary movement of the reel and the head plate. Only where the coil of tape is to be removed from the reel or slid onto the reel is a stationary actuator required, which is always connected to the feed line via fixed media feeds. To ensure that no forces act on the bearings of the reel shaft in the axial direction and no forces on the bearings of the head plate occur when despreading a reel drum, the reel shaft and actuator have coupling elements that are positively connected before each expansion movement of the actuator and absorb corresponding axial forces.

Es hat sich bewährt, daß der stationär angeordnete Stellantrieb in der Bandbund-Übergabeposition angeordnet ist.It has proven useful that the stationary actuator is arranged in the band collar transfer position.

Bei Aufwickelhaspeln ist es angebracht, daß ein zweiter stationär angeordneter Stellantrieb im Bereich der den Bandanfang erfassenden Ausgangsposition vorgesehen ist. Dabei kann der Stellantrieb in der Bandbund-Übergabepostion einen vollen Entspreizhub ausführen, während der Stellantrieb in der den Bandbund erfassenden Ausgangsposition einen die Haspeltrommel nur geringfügig entspreizenden Hub bewirken muß.In the case of take-up reels, it is appropriate that a second, stationary actuator is provided in the area of the starting position that detects the beginning of the tape. The actuator can perform a full de-spreading stroke in the band bundle transfer position, while the actuator in the starting position capturing the band bundle must cause a stroke that only slightly de-stresses the reel drum.

Das volle Entspreizen der Haspeltrommel in Bandbund-Übergabeposition erlaubt das Abziehen der gewickelten Bandbunde. Das teilweise Entspreizen der Haspeltrommel in der Ausgangsposition erleichtert das Aufwickeln des Bandanfangs. Die ersten zwei bis drei Windungen werden mit teilweise entspreizter Haspeltrommel gewickelt. Anschließend wird die Haspeltrommel gespreizt, so daß die Anfangswindungen fest auf der Haspeltrommel sitzen. Beim Wickeln in teilweise entspreiztem Zustand nehmen entsprechende Lager an der Kupplungsklaue des stationären Stellantriebes die Rotation des Haspels auf.The full despreading of the reel drum in the tape bundle transfer position allows the wound tape bundles to be pulled off. The partial despreading of the reel drum in the starting position makes it easier to wind up the beginning of the tape. The first two to three turns are wound with a partially despread reel. The reel drum is then spread so that the initial turns are firmly seated on the reel drum. When winding in a partially despread state, corresponding bearings on the coupling claw of the stationary actuator take up the rotation of the reel.

Zweckmäßigerweise bestehen die Steilantriebe aus zwei Antriebseinheiten, nämlich aus einem auf Führungen verfahrbaren Entspreizantrieb und einem den Entspreizantrieb verfahrenden Verschiebeantrieb.The steep drives expediently consist of two drive units, namely a despreading drive that can be moved on guides and a displacement drive that moves the despreading drive.

Dabei ist bemerkenswert, daß der Verschiebeantrieb das zwischen der Kupplungsklaue und den Kupplungselementen der Haspelwellen vorgesehene Spiel aufhebend bzw. nach dem Entspreizen wieder herstellend verschiebebeaufschlagbar ist. Das Spiel ist auf jeden Fall notwendig, damit beim Einfahren des Haspels in eine Entspreizstellung des Stallantriebes keine Beschädigungen auftreten können. Bei der Entspreizbewegung würde sich ein Spiel jedoch nachteilig auswirken, da unerwünschte Kräfte auf die Haspelwelle und die Kopfplatte übertragen würden.It is noteworthy here that the sliding drive can cancel the play provided between the coupling claw and the coupling elements of the reel shafts or can be restored after the despreading. The game is necessary in any case, so that no damage can occur when the reel is moved into a despread position of the stable drive. However, play would have a disadvantageous effect in the de-spreading movement, since undesirable forces would be transmitted to the reel shaft and the head plate.

Ein weiterer, noch einfacher und kostengünstiger aufgebauter Stellantrieb ergibt sich, wenn ein auf einer Führung verschiebbarer Entspreiz- und Verschiebeantrieb eingesetzt wird.Another, even simpler and more cost-effective actuator is obtained if an expansion and displacement drive that can be moved on a guide is used.

Von Vorteil ist dabei, daß der Entspreiz- und Verschiebeantrieb das zwischen der Kupplungsklaue und dem Kupplungselement der Haspelwelle vorgesehene Spiel aufhebend bzw. nach dem Entspreizen zusammen mit einem Anschlag wiederherstellend verschiebebeaufschlagbar ist.The advantage here is that the despreading and displacement drive can cancel the play provided between the coupling claw and the coupling element of the reel shaft or, after despreading together with a stop, can be restored to act on the displacement.

Eine weitere, zweckmäßige Ausgestaltung des erfindungsgemäßen Wendehaspels ergibt sich dadurch, daß mindestens einem Haspel ein Anschlag zur walzmittengerechten Positionierung einer Walzbandhülse auf der Haspeltrommel zugeordnet ist.A further, expedient embodiment of the reversible reel according to the invention results from the fact that at least one reel is assigned a stop for positioning a rolled strip sleeve on the reel drum in accordance with the roll center.

Ein Ausführungsbeispiel der Erfindung wird anhand einer Zeichnung näher erläutert. Dabei zeigen:

  • Fig. 1 einen Wendehaspel in der Vorderansicht,
  • Fig. 2 eine schematische Darstellung des Antriebes eines Wendehaspels nach Fig. 1,
  • Fig. 3 einen in den Stellantrieb der Bandbund-Übergabeposition eingefahrenen Haspel,
  • Fig. 4 den Haspel nach Fig. 2 ohne Spiel zwischen dem Kupplungselement und der Kupplungsklaue,
  • Fig. 5 den Haspel nach Fig. 2 in entspreizter Stellung, und
  • Fig. 6 einen Haspelabschnitt mit Stellantrieb, der durch einen Entspreiz- und Verschiebeantrieb gebildet wird.
An embodiment of the invention is explained in more detail with reference to a drawing. Show:
  • 1 is a reversible reel in front view,
  • 2 shows a schematic representation of the drive of a turning reel according to FIG. 1,
  • 3 shows a reel retracted into the actuator of the band coil transfer position,
  • 4 the reel of FIG. 2 without play between the coupling element and the coupling claw,
  • 5 the reel of FIG. 2 in the despread position, and
  • Fig. 6 shows a reel section with an actuator, which is formed by a despread and shift drive.

Fig. 1 zeigt einen erfindungsgemäßen Wendehaspel 1 in seiner Vorderansicht. Der Wendehaspel 1 weist eine Kopfplatte 2 mit stirnseitiger Verzahnung 3 auf, in die Antriebszahnräder 4 von Motoren 5 (siehe Fig. 2) sowie ein Führungsrad 6 eingreifen. Über die Antriebszahnräder 4 kann die Kopfplatte 2 entsprechend der gewünschten Betriebsart - Auf-oder Abwickeln - im bzw. entgegen dem Uhrzeigersinn gedreht werden. Dabei können die Motoren 5 derart gesteuert werden, daß durch die ungleiche Masseverteilung an der Kopfplatte 2 auftretende ruckartige Zahnflankenwechsel zwischen den Antriebszahnrädern 4 und der Verzahnung 3 der Kopfplatte 2 ausgeschlossen werden.Fig. 1 shows a reversible reel 1 according to the invention in its front view. The reversible reel 1 has a head plate 2 with front toothing 3, in which drive gearwheels 4 of motors 5 (see FIG. 2) and a guide wheel 6 engage. The head plate 2 can be rotated clockwise or counterclockwise in accordance with the desired operating mode — winding or unwinding — via the drive toothed wheels 4. The motors 5 can be controlled in such a way that jerky tooth flank changes between the drive gears 4 and the toothing 3 of the head plate 2 are prevented by the uneven mass distribution on the head plate 2.

An der Kopfplatte 2 sind Haspel 7 und 8 drehbar gelagert, welche die Kopfplatte 2 durchgreifen. Die Haspel 7 und 8 sind gleich aufgebaut, der Haspel 7 befindet sich jedoch in der Ausgangsposition, in der der Bandanfang von nicht gezeigten Umschlingern erfaßt und in einigen Windungen gewickelt wird. Der Haspel 8, auf dem sich ein fertig gewickeltes Bandbund 9 befindet, ist dagegen in der Bandbund-Übergabeposition gezeigt.On the head plate 2, reels 7 and 8 are rotatably mounted, which reach through the head plate 2. The reel 7 and 8 are of the same construction, but the reel 7 is in the starting position in which the beginning of the tape is gripped by wrapping not shown and wound in a few turns. The reel 8, on which there is a completely wound band coil 9, is shown in the band coil transfer position.

Auf der Rückseite (siehe Fig. 2) der Kopfplatte 2 befinden sich die Drehantriebe für die Haspel 7 und 8. Dabei ist wesentlich, daß der Haspel 7 über eine zentrale Welle 10 mit dem stationär angeordneten Antrieb 11 und der Haspel 8 über eine zur zentralen Welle 10 koaxial gelagerte Hohlwelle 12 mit dem ebenfalls stationär angeordneten Antrieb 13 drehantreibbar verbunden sind. An den Enden der zentralen Welle 10 und der Hohlwelle 12 sind Zahnräder 14 und 15, die mit an den Haspeln 7 und 8 drehfest angeordneten Zahnrädern 16 und 17 kämmen.On the back (see Fig. 2) of the head plate 2 there are the rotary drives for the reels 7 and 8. It is essential that the reel 7 via a central shaft 10 with the stationary drive 11 and the reel 8 via a central one Shaft 10 coaxially mounted hollow shaft 12 are rotatably connected to the drive 13 which is also arranged in a stationary manner. At the ends of the central shaft 10 and the hollow shaft 12 are gears 14 and 15 which mesh with gears 16 and 17 arranged on the reels 7 and 8 in a rotationally fixed manner.

Dieser Antrieb der Haspel 7 und 8 macht fest an den Haspeln sitzende Drehantriebe, die durch komplizierte und störanfällige Drehzuführungen mit Energie versorgt werden müssen, überflüssig. Gleichzeitig werden durch diese Art des Antriebes die drehanzutreibenden Massen sehr klein.This drive of the reels 7 and 8 renders rotary drives which are firmly attached to the reels and which have to be supplied with energy by complicated and fault-prone rotary feeds superfluous. At the same time, this type of drive makes the masses to be driven very small.

Die Fig. 3 stellt den Haspel 8 in der Bandbund-Übergabeposition dar. Der Haspel 8 ist in den Stellantrieb 18 eingefahren.FIG. 3 shows the reel 8 in the band coil transfer position. The reel 8 has been moved into the actuator 18.

Der Haspel 8 besteht aus einer Haspelwelle 19, in der ein Stempel 20 axial verschiebbar gelagert ist. Die Haspelwelle 19 weist keilförmig ausgebildete Gleitflächen 21 auf, auf denen sich Segmente 22 axial verschiebbar abstützen. Durch axiale Verschiebung der Segmente 22 auf den keilförmig ausgebildeten Gleitflächen 21 können Spreizbewegungen der die Haspeltrommel 23 bildenden Segmente 22 bewirkt werden. Die Segmente 22 sind über einen Anschlußflansch 24 mit dem Stempel 20 verbunden. Durch eine zwischen Haspelwelle 19 und Stempel 20 angeordnete Druckfeder 25 wird die Haspeltrommel 23 im gespreizten Zustand gehalten. Durch Beaufschlagung des Stempels 20 gegen die Federkraft läßt sich die Haspeltrommel 23 entspreizen.The reel 8 consists of a reel shaft 19 in which a punch 20 is axially displaceably mounted. The reel shaft 19 has wedge-shaped sliding surfaces 21 on which segments 22 are axially displaceably supported. By axially displacing the segments 22 on the wedge-shaped sliding surfaces 21, spreading movements of the segments 22 forming the reel drum 23 can be brought about. The segments 22 are connected to the stamp 20 via a connecting flange 24. The reel drum 23 is held in the spread state by a compression spring 25 arranged between the reel shaft 19 and the punch 20. By acting on the plunger 20 against the spring force, the reel drum 23 can be expanded.

Am freien Ende der Haspelwelle 19 ist ein Kupplungselement 26 vorgesehen. Das Kupplungselement 26 ist mit Spiel in die Kupplungsklaue 27 des Stellantriebes 18 eingefahren.A coupling element 26 is provided at the free end of the reel shaft 19. The clutch element 26 is inserted into the clutch claw 27 of the actuator 18 with play.

Der Stellantrieb 18 weist einen Entspreizantrieb 28 und einen Verschiebeantrieb 29 auf. Der Entspreizantrieb 28 ist auf Führungen 30 in Richtung auf den Haspel 8 hin- und herverfahrbar. Die Verfahrbewegung wird durch den mit dem Entspreizantrieb 28 über die Kolbenstange 31 verbundenen Kolben 31 des Verschiebeantriebs 29 bewirkt.The actuator 18 has a despreading drive 28 and a displacement drive 29. The despreading drive 28 can be moved back and forth on guides 30 in the direction of the reel 8. The traversing movement is brought about by the piston 31 of the displacement drive 29 connected to the despreading drive 28 via the piston rod 31.

Das Spiel zwischen der Kupplungsklaue 27 am Entspreizantrieb 28 und dem Kupplungselement 26 an der Haspelwelle 19 ist nach Fig. 4 aufgehoben. Dazu wurde der Kolben 31 derart beaufschlagt, daß der Entspreizantrieb 28 auf den Führungen 30 von der Haspelwelle 19 fortbewegt wurde. Zwischen dem Stellantrieb 18 und dem Haspel 8 wurde dadurch ein Formschluß hergestellt, ohne daß die Haspelwelle 19 durch axiale Kräfte beaufschlagt wurde.The play between the coupling claw 27 on the expansion drive 28 and the coupling element 26 on the reel shaft 19 is eliminated according to FIG. 4. For this purpose, the piston 31 was acted on such that the despreading drive 28 was moved on the guides 30 by the reel shaft 19. As a result, a positive connection was produced between the actuator 18 and the reel 8 without the reel shaft 19 being acted upon by axial forces.

Fig. 5 zeigt den Haspel 8 mit entspreizter Haspeltrommel 23. Der Kolben 33 des Entspreizantriebes 28 wurde in Richtung auf die Haspelwelle 19 hin bewegt. Die Kolbenstange 34 hat den Stempel 20 gegen die Kraft der Druckfeder 25 axial verschoben und die Segmente 22 sind auf der keilförmig ausgebildeten Gleitfläche 21 in Entspreizstellung bewegt worden.5 shows the reel 8 with a despread reel 23. The piston 33 of the despreading drive 28 has been moved in the direction of the reel shaft 19. The piston rod 34 has axially displaced the plunger 20 against the force of the compression spring 25 and the segments 22 have been moved into the despread position on the wedge-shaped sliding surface 21.

Nach Übergabe des Bandbundes 9 wird die Haspeltrommel 23 durch Zurückziehen der Kolbenstange 34 und durch mittels Federkraft zurückgestelltem Stempel 20 wieder gespreizt. Anschließend wird durch Betätigung des Verschiebeantriebes 29 das Spiel zwischen Kupplungselement 26 und Kupplungsklaue 27 wieder hergestellt, so daß der Haspel 8 aus der Bandbund-Übergabeposition ausfahren kann.After the belt bundle 9 has been handed over, the reel drum 23 is spread again by pulling back the piston rod 34 and by means of a stamp 20 which is reset by spring force. Subsequently, the play between coupling element 26 and coupling claw 27 is restored by actuating the sliding drive 29, so that the reel 8 can move out of the band collar transfer position.

Bei bekannten, der Gattung entsprechenden Wendehaspeln müssen die fest an den Haspeln angeordneten Sellantriebe derart gesteuert werden, daß die Kolben der Stellantriebe in der Bandbund-Übergabeposition einen großen Hub und in der Ausgangsposition nur einen kleinen Hub durchführen. Durch den großen Hub muß die Haspeltrommel vollständig entspreizt werden, damit die Bandbunde abgenommen werden können. Der kleine Hub dient lediglich dazu, das Aufwickeln und Festsetzen der ersten Windungen des Walzbandes auf der Haspeltrommel zu erleichtern.In known reversible reels corresponding to the genus, the sell drives fixedly arranged on the reels must be controlled in such a way that the pistons of the actuators carry out a large stroke in the band coil transfer position and only a small stroke in the starting position. Due to the large stroke, the reel drum must be fully despread so that the coils can be removed. The small stroke only serves to facilitate the winding and fixing of the first turns of the rolled strip on the reel drum.

Bei dem erfindungsgemäßen Wendehaspel führt der Stellantrieb in der Ausgangsposition immer nur einen kleinen Entspreizhub aus, während der Stellantrieb in der Bandbund-Übergabeposition stets einen großen Entspreizhub durchzuführen hat. Steuerungen die einen Stellantrieb einmal zu einem großen Hub und einmal zu einem kleinen Hub veranlassen, werden nicht benötigt.In the reversing reel according to the invention, the actuator always executes only a small expansion stroke in the starting position, while the actuator always has to carry out a large expansion stroke in the band coil transfer position. Controls that cause an actuator to have a large stroke and a small stroke are not required.

Die Fig. 3 bis 5 zeigen einen dem Haspel 8 zugeordneten Anschlag 35. Der über eine Kolben-Zylinder-Einheit 36 gesteuerte Anschlag 35 dient zur walzmittengerechten Positionierung einer Walzband-Hülse auf der Haspeltrommel 23.3 to 5 show the reel 8 assigned Neten stop 35. The stop 35, which is controlled by a piston-cylinder unit 36, serves for the positioning of a rolled strip sleeve on the reel drum 23 in accordance with the roll center.

In Fig. 6 ist ein Stellantrieb 18' gezeigt, der gegenüber dem Stellantrieb 18 der Fig. 3 bis 5 einfacher aufgebaut ist und kostengünstiger erstellt werden kann.6 shows an actuator 18 ', which is simpler in construction than the actuator 18 of FIGS. 3 to 5 and can be produced more cost-effectively.

Der Stellantrieb 18' besteht aus einem Entspreiz-und Verschiebeantrieb 37, der sowohl die das Spiel zwischen dem Kupplungselement 26 und der Kupplungsklaue 27' aufhebende bzw. wiederherstellende Verschiebebewegungen des Entspreiz- und Verschiebeantriebs 37 als auch die Entspreizbewegung des Stempels 20 bewirkt.The actuator 18 'consists of a despreading and shifting drive 37 which effects both the displacement movements of the despreading and shifting drive 37 which cancel or restore the play between the coupling element 26 and the clutch claw 27' and the despreading movement of the plunger 20.

Das Spiel zwischen dem Kupplungselement 26 und der Kupplungsklaue 27' wird dadurch aufgehoben, daß die Kolbenstange 39 gegen den Stempel 20 bewegt wird. Bei weiterer Beaufschlagung des Kolbens 40 wird der ganze Entspreiz- und Verschiebeantrieb 37 auf der Führung 30' von dem Stempef 20 fort verschoben. Ist das Spiel zwischen dem Kupplungselement 26 und der Kupplungsklaue 27' aufgehoben, so wird bei weiterer Beaufschlagung des Kolbens 40 der Stempel 20 relativ zur Haspelwelle 19 entspreizverschoben.The play between the coupling element 26 and the coupling claw 27 'is canceled in that the piston rod 39 is moved against the plunger 20. When the piston 40 is further loaded, the entire despreading and displacement drive 37 on the guide 30 'is displaced away from the stamp 20. If the play between the coupling element 26 and the coupling claw 27 'is eliminated, the plunger 20 is displaceably displaced relative to the reel shaft 19 when the piston 40 is further acted on.

Soll das Spiel zwischen dem Kupplungselement 26 und der Kupplungsklaue 27' wieder hergestellt werden, damit der Haspel aus der Bundbildestellung bzw. der Bundübergabestellung ausfahren kann, so wird der Kolben 40 derart beaufschlagt, daß die Kolbenstange 39 gegen einen Anschlag 38 gefahren wird. Bei weiterer Beaufschlagung des Kolbens 40 wird der Entspreiz- und Verschiebeantrieb 37 auf der Führung 30' zum Stempel 20 hin bewegt. Das Spiel zwischen dem Kupplungselement 26 und der Kupplungsklaue 27' ist wiederhergestellt.If the play between the coupling element 26 and the coupling claw 27 'is to be restored so that the reel can extend from the bundle formation position or the bundle transfer position, the piston 40 is acted on in such a way that the piston rod 39 is moved against a stop 38. When the piston 40 is further acted upon, the despreading and displacement drive 37 is moved on the guide 30 ′ towards the plunger 20. The play between the coupling element 26 and the coupling claw 27 'is restored.

BezugszeichenübersichtReference symbol overview

Figure imgb0001
Figure imgb0001
Figure imgb0002
Figure imgb0002

Claims (10)

1. Turning reel (1) with two reels (7, 8), which are provided for the successive continuous reeling of rolled strip, are each rotationally drivable independently from the other, are borne at a rotatable head plate (2) and each display drums (23), which consist of several splayably movable segments (22), which bear by wedge-shaped sliding surfaces (21) in axially displaceable manner against the reel shafts (19), which are borne at the head plate (2), are constructed as hollow shafts and are penetrated by plungers (20), which are axially displaceable by means of setting drives (18, 18') and the free ends of which are connected by means of connecting flanges (24) with the segments (22) for the transmission of the splaying or reconverging movement, and in which the reels (7, 8) are movable through rotation of the head plate (2) cyclically each time out of an initial position into a strip coil transfer position, characterised thereby, that the plungers (20) of the reels (7, 8) in an in itself known manner hold the segments (22) of the reel drums (23) in the splayed state by means of compression springs (25), that at least one stationarily arranged setting drive (18, 18') is provided, the setting member (33, 34) of which is capable of pushing through the plunger (20) of a reel (7 or 8) moved into its converging position for the performance of a converging movement against the force of the compression spring (25), and that the setting drive (18, 18') displays a coupling claw (27, 27'), into which corresponding coupling elements (26) at the reel shafts (19) are movable with play during the rotation of the head plate (2) so that a shape-!oci?ng connection of the setting drive (18, 18') is effectable with the respective reel (7 or 8) moved into the converging position of the setting drive (18, 18').
2. Turning reel according to claim 1, characterised thereby, tDat the stationarily arranged setting drive (18, 18') is arranged in the strip coil transfer position.
3. Turning reel according to claim 1, characterised thereby, that a second stationarily arranged setting drive (18, 18') is provided in the initial position comprehending the beginning of the strip.
4. Turning reel according to at least one of the claims 1 to 3, characterised thereby, that the setting drive (18, 18') is capable of executing a full converging stroke in the strip coil transfer position and that the setting drive (18, 18') in the initial position comprehending the beginning of the strip effects a stroke converging the reel drum (23) only slightly.
5. Turning reel according to at least one of the claims 1 to 4, characterised thereby, that the setting drives (18) consist of two drive units, preferably piston-cylinder units.
6. Turning reel according to claim 5, characterised thereby, that each setting drive (18) consists of a converging drive (28) displaceable on guides (30) and a displacing drive (29) moving the converging drive (28).
7. Turning reel according to claim 5 or 6, characterised thereby, that the displacing drive (29) is displacingly loadable either eliminating or after the converging again restoring the play between the coupling claw (27) and the coupling elements (26) of the reel shafts (19).
8. Turning reel according to claim 1, characterised thereby, that an abutment (35) for the positioning, true to roll centre, of a rolled strip sleeve on the reel drum (23) is associated with at least the reel (8).
9. Turning reel according to at least one of the claims 1 to 4, characterised thereby, that the setting drive (18') consists of a converging and displacing drive (37) displaceable on guides (30').
10. Turning reel according to claim 9, characterised thereby, that the converging and displacing drive (37) is displacingly loadable either eliminating the play between the coupling claw (27) and the coupling elements (26) of the reel shaft (19) or after the converging again restoring it together with an abutment (38).
EP86113825A 1985-10-31 1986-10-06 Indexable coiler Expired - Lifetime EP0221373B1 (en)

Priority Applications (1)

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AT86113825T ATE49357T1 (en) 1985-10-31 1986-10-06 TURNING REEL.

Applications Claiming Priority (2)

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DE3538677 1985-10-31
DE19853538677 DE3538677A1 (en) 1985-10-31 1985-10-31 TURNING REEL

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EP0221373A1 EP0221373A1 (en) 1987-05-13
EP0221373B1 true EP0221373B1 (en) 1990-01-10

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US (1) US4728051A (en)
EP (1) EP0221373B1 (en)
JP (1) JPS62104622A (en)
AT (1) ATE49357T1 (en)
DE (2) DE3538677A1 (en)

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DE102009000462B3 (en) * 2009-01-29 2010-02-18 Koenig & Bauer Aktiengesellschaft Turning drive for carrier arm spindle of roll changer, has drivable gear wheel and gear pinion, where gear pinion is mounted in rotary manner on rocker that is tilted around drag axis
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DE102014212668A1 (en) * 2014-05-26 2015-11-26 Sms Group Gmbh Device for winding a strip material into a coil
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Also Published As

Publication number Publication date
DE3538677A1 (en) 1987-05-07
EP0221373A1 (en) 1987-05-13
JPH0527492B2 (en) 1993-04-21
US4728051A (en) 1988-03-01
DE3668122D1 (en) 1990-02-15
ATE49357T1 (en) 1990-01-15
JPS62104622A (en) 1987-05-15

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