EP2310274A2 - Storage device for binding wire of a cording machine - Google Patents

Storage device for binding wire of a cording machine

Info

Publication number
EP2310274A2
EP2310274A2 EP09775573A EP09775573A EP2310274A2 EP 2310274 A2 EP2310274 A2 EP 2310274A2 EP 09775573 A EP09775573 A EP 09775573A EP 09775573 A EP09775573 A EP 09775573A EP 2310274 A2 EP2310274 A2 EP 2310274A2
Authority
EP
European Patent Office
Prior art keywords
storage device
wire
binding wire
binding
roller
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.)
Granted
Application number
EP09775573A
Other languages
German (de)
French (fr)
Other versions
EP2310274B1 (en
Inventor
Ute Figer
Walter Writzl
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.)
Andritz AG
Original Assignee
Andritz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Andritz AG filed Critical Andritz AG
Publication of EP2310274A2 publication Critical patent/EP2310274A2/en
Application granted granted Critical
Publication of EP2310274B1 publication Critical patent/EP2310274B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/184—Strap accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/30—Arrangements for accumulating surplus web
    • B65H20/32—Arrangements for accumulating surplus web by making loops
    • B65H20/34—Arrangements for accumulating surplus web by making loops with rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage

Definitions

  • the invention relates to a storage device for binding wire of a lacing machine, in particular for pulp production, with an inlet into the storage device and a spout from the storage device, and with a drive for the binding wire.
  • the invention further relates to a method for feeding binding wire through a storage device to a lacing device, in particular for pulp production, wherein the binding wire is fed through an inlet into the storage device and fed through a spout from the storage device to the lacing device.
  • Lace machines are used in pulp production in bale packing lines.
  • pulp bales packed in pulp sheets or unpacked
  • pulp stacks (3-4 bales with a total weight of about 1 ton) or pulp units (2 stacks) are tied with galvanized steel wire.
  • bales this applies to both pulp bales and pulp stacks and pulp units.
  • the function of the lacing machine is to transport a bale into the machine, attach up to nine steel wires per bale and transfer the bale to the following conveyor.
  • the lacing involves looping the bale with wire, tautening the wire, knotting the wire and cutting the wire from the wire roll.
  • Such a device is known from WO 01/68450 A2.
  • the wire coming from the roll is fed through a storage drum to the lacing frame.
  • the wire is twisted around its own axis. Due to the very short cycle times, the wire feed speeds are currently up to 200 m / min, resulting in high wear of the Wire guides leads. If the wire is now additionally twisted around its own axis, this leads to a lateral deflection, which additionally increases the wear.
  • the wire must have a relatively large diameter, currently about 3 mm, in order to have the necessary rigidity to be able to be pushed safely through the guide means.
  • Another problem is the high feed rates of up to 200 m / min, the relatively high dynamic forces during acceleration and deceleration of the wire or the drum on which the wire is wound, is.
  • Object of the present invention is to provide a structurally simple as possible constructed memory device.
  • the storage device By the storage device according to the invention, it becomes possible to temporarily store the wire required for a binding operation and then from the memory for the
  • the supply of the wire from the storage device into the lacing frame may be decoupled from the supply of the wire from the roll to the storage device. This not only simplifies the control of the machine, but also relieves the drive devices and the binding wire by decoupling the wire movement before and after the storage device.
  • the binding wire does not have to be in several different ways, as in the case of the device known from WO 01/68450 A2
  • embodiments are possible in which the operation of feeding the binding wire into the storage device and discharging the binding wire from the storage device are performed successively in time or overlapping with each other in time. It is also possible that the process of feeding the binding wire into the storage device is substantially continuous and the process of discharging the binding wire from the storage device is discontinuous.
  • a first preferred embodiment of the invention is characterized by two roller groups or rollers arranged in the storage device, about which the binding wire is guided at least twice, and whose center distance is changeable. In this embodiment, the binding wire is guided exactly around the two roller groups or rollers, so that a trouble-free operation can be ensured.
  • a second preferred embodiment of the invention is characterized in that the storage device is a disk storage that forms a cavity in which the binding wire is loosely received.
  • Such disk storage devices which are known per se in the prior art, to temporarily receive the excess wire when tightening the wire after wrapping the bales, usually consist of a flat box with two large, parallel side walls, which only a very small Distance apart, which is usually smaller than twice the wire diameter.
  • the wire from the inlet-side drive is pushed loosely into it and pulled out again from the outlet-side drive. Since no constructive moving masses are present in this disk storage, on the one hand, the design effort is less and on the other hand, no consideration must be taken in addition to moving masses with regard to the feed and take-off speed or dynamics.
  • the advantage of the invention comes into play that the removal of the wire from the drum or other storage device can be dynamically decoupled from feeding the wire into the lacing device.
  • FIG. 1 shows a device for strapping bales with a first embodiment of a storage device according to the invention
  • FIG. 3 shows a section through the storage device along the line IH-III in Fig. 2,
  • FIG. 4 shows a second embodiment of a storage device according to the invention in FIG.
  • FIG. 5 is an oblique view of the embodiment of FIG. 4. - A -
  • FIG. 1 shows a lacing machine for lacing pulp bales with galvanized steel wire, which consists essentially of a storage device 1 and a lacing device 2.
  • the binding wire with which the bales are tied is fed from the left side of a drum, a tower, or the like, not illustrated, into the first embodiment of a storage device 1 shown in FIGS. 1 to 3, by a first drive 3 of the first Drum is pulled off.
  • the binding wire, not shown in the drawing is then repeatedly (three times in the illustrated embodiment) to two roller groups 4, 5 and then enters, driven by a second drive 7, in the Schnürritten 8 a.
  • the roller groups 4, 5 each consist of coaxially juxtaposed, independently rotatably mounted discs, which have on their peripheral surface a groove for guiding the binding wire.
  • the binding wire is once guided by slightly more than 360 ° counterclockwise around the bales stacked in the lacing frame 8 until the beginning of the wire in a lacing head 9, which has a so-called twister, a gripper and a cutting unit, above the subsequent coming from the storage device 1 wire comes to rest.
  • a lacing head 9 which has a so-called twister, a gripper and a cutting unit, above the subsequent coming from the storage device 1 wire comes to rest.
  • the wire coming from the storage device 1 is clamped in the gripper and pulled back in the opposite direction, pulling the wire from the guides in the lace frame 8 and pulling the loop around the bale.
  • the wire end is then twisted in the twister with the wire coming from the memory device 1 and the loop is cut from the following wire.
  • the construction of the Schnürrittens 8 is known per se and is therefore not described in detail.
  • bales are conveyed over conveyor means 10, 11 transversely to the plane in which the Schnürritten 8 extends, gradually promoted according to the number of binding wires to be attached and then conveyed away from this.
  • a compacting device 12 for residual wire serves to roll up remaining wire, ie the end of a wire completely drawn off from the drum, whose length is no longer sufficient to completely tie up a bale, so that it can be disposed of more easily.
  • the memory device 1 of the embodiment according to FIGS. 1 to 3 has, as mentioned, two
  • the frame 13 further includes a guide 14 at which the upper Roller group 5 is vertically displaceable up and down.
  • the storage device 1 finally also has a box 6, whose door is shown open and in which the guide 14 and the roller groups 4, 5 are accommodated.
  • the sliding roller group 5 is shown in its uppermost position with solid lines and in its lowest position with dashed lines.
  • the wire after being pushed by the drive 3, with which it is withdrawn from the drum from the left into the storage device 1, first deflected by 90 ° about a first disc of the lower roller group 4 and then several times, in the illustrated embodiment three Run in loops around the other slices of the two roller groups 4 and 5 until it is subsequently pulled out of the storage device 1 to the right of the drive 7 after the last slice of the lower roller group 4.
  • the number of wraps of the two roller groups 5 and 6 on the one hand depends on the length required for the wrapping of the bale and on the other hand by the displacement of the upper roller group 5.
  • the difference in length of the two groups of rollers 4 and 5 looped wire between the position in which the two roller groups 4 and 5 are closest and the position in which the two groups of rollers 4 and 5 are furthest apart be at least as large as wire is needed for the looping in the lacing frame 8.
  • roller groups only one stationary and displaceable roller can be used, each having a number of wraps corresponding number of grooves over which the binding wire will slide due to the different wire speeds of the individual loops.
  • a spring or a pressure medium cylinder e.g. a pneumatic cylinder, which presses the displaceable roller or roller group 5 always away from the stationary roller or roller group 4, so that the multiple times around the rollers or roller groups 4, 5 looped wire is constantly stretched and the sliding roller or roller group 5 when feeding Wire is automatically moved away from the fixed roll or roll group 4.
  • the process of lacing bales may be, for example, the following.
  • the role group 5 is in the lowest position, if in a previous lacing the entire storage of wire was required in the storage device 1.
  • the drive 7 is stopped so that the wire is held by the drive 7.
  • the drive 3 is started, whereby wire is withdrawn from the drum and pushed into the storage device 1 into it.
  • the upper roller group 5 is moved upward until it has reached its uppermost position.
  • the drive 3 is stopped and the drive 7 is started, whereby wire is pulled out of the storage device 1 out.
  • the upper roller group 5 Since the drive 3 is stopped and holds the wire, the upper roller group 5 is moved down. By the drive 7 wire is pushed so far into the Schnürritten 8 into it until it is filled and the beginning of the wire comes to rest on the next from the storage device 1 wire. Now, the drive direction of the drive 7 is reversed, so that the loop is pulled around the bale until it rests tightly against the bale. Then the gripper is actuated and the wire end in the twister is twisted with the wire coming out of the storage device 1 and the finished twisted wire loop is cut from the subsequent wire. As the loop is tightened around the bales, a piece of wire is pushed back into the storage device 1, causing the roller assembly 5 to move up a little bit again. Finally, the filling of the storage device 1 is started again as described above by the drive 7 being stopped and the drive 3 being started.
  • the storage device 1 is designed as a so-called disk storage 15.
  • the disk storage 15 consists of a substantially hollow, very flat box whose large side walls 16, 17 have only a small distance which is smaller than twice the wire diameter.
  • the distance between the two side walls 16, 17 is about 1.5 times the wire diameter. This can prevent that the wire lays in loops next to each other, which would lead to knots and as a result to interruptions in operation.
  • the rear side wall 17 is supported by a frame 22.
  • the storage device 1 of the embodiment according to FIGS. 4 and 5, like those according to FIGS. 1 to 3, has an inlet with a drive 3 and an outlet with a drive 7.
  • an arcuate guide 18 and in the region of the outlet an arcuate guide 19 is arranged in front of the drive 7.
  • the guides 18, 19 may be sliding guides as shown in the guide 18 or roller guides as shown in the guide 19. If desired, the guides 18, 19 may also extend a distance laterally along the end walls 20, 21 upwardly to extend the guide area for the wire. Between the optionally elongated guides 18, 19, there are no guides or support means for the wire, so that the wire between the guides 18, 19 more or less random meander loosely.
  • Guides 18, 19 replaced by a straight line guide, not shown in the drawings, through which the wire between the drives 3, 7 is performed in a straight line through the storage device 1. Then come again the guides 18, 19 for use.
  • the change between the guides 18, 19 and the linear guide can preferably be carried out automatically.
  • This embodiment offers in comparison to the embodiment according to FIGS. 1 to 3 the advantage of a very low design effort and non-existent to be moved constructive masses during filling and emptying of the storage device 1 with
  • Binding wire whereas the embodiment of FIG. 1 to 3 has the advantage of a controlled
  • the drives 3 and 7 of both embodiments described above need not be mutually stopped as described during the filling and emptying of the storage device 1, but the two drives 3 and 7 can be driven overlapping each time, so that the storage device 1 by means of the drive. 3 can be filled again while the wire is removed by means of the drive 7.
  • This is possible because, due to the dynamic storage capacity of the storage device 1, the removal of the wire from the drum from the supply of the wire to the lacing device 1 is decoupled. In this way, a shortening of the cycle time of the Schnürmaschine is possible. It is also possible not to stop the drive 3 during routine operation at all, but to let it run continuously at a more or less constant speed and to drive only the drive 7 discontinuously as a function of the lacing.
  • the maximum storable in the memory device 1 wire length could be less than the length required for filling the Schnürrittens, so for example the Displacement of the movable roller group 5 of the embodiment of Fig. 1 to 3 could be smaller because the storage device is already refilled during the extraction of the wire.
  • a measuring device for the length of the binding wire to be fed into the storage device 1 is arranged in front of the storage device 1, preferably before the drive 3.
  • this residual wire must be discarded. This can, since only a short piece of the binding wire is in the lacing device 2, done in a simple manner by the fact that the front end of the remaining wire, which is located in the lacing 9, is withdrawn from the lacing device 2 until it is in the compacting device 12 is located. Then the Drive 7 is switched back to the normal supply direction and compacted the remaining wire in the compactor 12 and ejected.
  • a measuring device can be arranged in front of the storage device 1, preferably in front of the drive 3, even a simple means for detecting the end of the binding wire. As soon as this device detects the end of the binding wire, the
  • Tie wire is tuned.

Abstract

The invention relates to a storage device (1) for binding wire of a cording machine for the production of cellulose, said device comprising a drive (3) at the region feeding into the storage device and another drive (7) at the region discharging from the storage device. The storage device (1) according to the invention and the two drives (3, 7) enable the entire length of wire necessary for a binding process to be intermediately stored, and the wire to be then pulled off the store in order to carry out the binding process. In this way, a dynamic storage space is created for the binding wire in the storage device (1).

Description

Speichervorrichtung für Bindedraht einer Schnürmaschine Storage device for binding wire of a tying machine
Die Erfindung betrifft eine Speichervorrichtung für Bindedraht einer Schnürmaschine, insbesondere für die Zellstoffproduktion, mit einem Einlauf in die Speichervorrichtung und einem Auslauf aus der Speichervorrichtung, und mit einem Antrieb für den Bindedraht.The invention relates to a storage device for binding wire of a lacing machine, in particular for pulp production, with an inlet into the storage device and a spout from the storage device, and with a drive for the binding wire.
Die Erfindung betrifft des weiteren ein Verfahren zum Zuführen von Bindedraht durch eine Speichervorrichtung zu einer Schnürvorrichtung, insbesondere für die Zellstoffproduktion, bei dem der Bindedraht durch einen Einlauf in die Speichervorrichtung zugeführt und durch einen Auslauf aus der Speichervorrichtung zur Schnürvorrichtung zugeführt wird.The invention further relates to a method for feeding binding wire through a storage device to a lacing device, in particular for pulp production, wherein the binding wire is fed through an inlet into the storage device and fed through a spout from the storage device to the lacing device.
Schnürmaschinen werden bei der Zellstoffproduktion in Ballenverpackungslinien eingesetzt. Dabei werden Zellstoffballen (verpackt in Zellstoffbögen oder unverpackt), Zellstoffstapel (3-4 Ballen mit einem Gesamtgewicht von etwa 1 Tonne) oder Zellstoffunits (2 Stapel) mit verzinktem Stahldraht verschnürt. Wenn im Folgenden von Ballen die Rede ist, gilt dies sowohl für Zellstoffballen als auch für Zellstoffstapel und Zellstoffunits. Die Funktion der Schnürmaschine ist der Transport eines Ballens in die Maschine, das Anbringen von bis zu neun Stahldrähten pro Ballen und die Übergabe des Ballens an die folgende Förderereinrichtung. Der Schnürvorgang beinhaltet das Umschlingen des Ballens mit Draht, das Straffziehen des Drahtes, das Verknoten des Drahtes und das Abschneiden des Drahtes von der Drahtrolle.Lace machines are used in pulp production in bale packing lines. Here, pulp bales (packed in pulp sheets or unpacked), pulp stacks (3-4 bales with a total weight of about 1 ton) or pulp units (2 stacks) are tied with galvanized steel wire. When referring to bales below, this applies to both pulp bales and pulp stacks and pulp units. The function of the lacing machine is to transport a bale into the machine, attach up to nine steel wires per bale and transfer the bale to the following conveyor. The lacing involves looping the bale with wire, tautening the wire, knotting the wire and cutting the wire from the wire roll.
Es gibt Anlagen, bei denen der Bindedraht von einer Rolle abgezogen, durch eine Speichervorrichtung geführt und anschließend einem Schnürrahmen zugeführt wird, in welchem die Zellstoffballen wie vorstehend beschrieben verschnürt werden. Beim Umschlingen des Ballens wird der Draht in einem Schnürrahmen rund um den Ballen geführt. Die Drahtschlinge schließt sich in einem Schnürkopf, der einen so genannten Twister, einen Greifer und eine Schneideinheit aufweist. Dabei kommt das Drahtende, welches vom nachfolgenden, von der Drahtrolle kommenden Draht noch nicht abgeschnitten ist, über dem Drahtanfang zu liegen. Durch das Straffziehen des Drahtes wird das Drahtende im Greifer geklemmt und die Schlinge um den Ballen zugezogen. Die beiden Drahtenden werden anschließend im Twister verdrillt und das Drahtende wird vom nachfolgenden Draht abgeschnitten.There are systems in which the binding wire is pulled from a roll, passed through a storage device and then fed to a lacing frame in which the pulp bales are tied as described above. When looping the bale, the wire is guided in a lacing frame around the bale. The wire loop closes in a lace head, which has a so-called twister, a gripper and a cutting unit. In this case, the end of the wire, which is not yet cut off from the subsequent wire coming from the wire reel, comes to rest above the beginning of the wire. By tightening the wire, the wire end is clamped in the gripper and pulled the loop around the bale. The two wire ends are then twisted in the Twister and the wire end is cut off by the following wire.
Eine derartige Vorrichtung ist aus der WO 01/68450 A2 bekannt. Bei dieser Vorrichtung wird der von der Rolle kommende Draht durch eine Speichertrommel dem Schnürrahmen zugeführt. Beim Straffziehen des Drahtes wird der axial in die Speichertrommel einlaufende Draht um die Speichertrommel gewickelt. Dabei wird der Draht um seine eigene Achse verdreht. Aufgrund der sehr geringen Taktzeiten betragen die Drahtvorschub- geschwindigkeiten derzeit bis zu 200 m/min, was zu einem hohen Verschleiß der Drahtführungen führt. Wenn der Draht nun zusätzlich um seine eigene Achse verdreht ist, führt dies zu einer seitlichen Auslenkung, was den Verschleiß zusätzlich erhöht. Zudem muss der Draht einen relativ großen Durchmesser aufweisen, derzeit etwa 3 mm, um die nötige Steifigkeit aufzuweisen, um sicher durch die Führungseinrichtungen geschoben werden zu können.Such a device is known from WO 01/68450 A2. In this device, the wire coming from the roll is fed through a storage drum to the lacing frame. When tightening the wire of the axially entering the storage drum wire is wound around the storage drum. The wire is twisted around its own axis. Due to the very short cycle times, the wire feed speeds are currently up to 200 m / min, resulting in high wear of the Wire guides leads. If the wire is now additionally twisted around its own axis, this leads to a lateral deflection, which additionally increases the wear. In addition, the wire must have a relatively large diameter, currently about 3 mm, in order to have the necessary rigidity to be able to be pushed safely through the guide means.
Ein weiteres Problem stellen bei den großen Vorschubgeschwindigkeiten von bis zu 200 m/min die relativ hohen dynamischen Kräfte beim Beschleunigen und Abbremsen des Drahtes bzw. der Trommel, auf welcher der Draht aufgewickelt ist, dar.Another problem is the high feed rates of up to 200 m / min, the relatively high dynamic forces during acceleration and deceleration of the wire or the drum on which the wire is wound, is.
Aufgabe der vorliegenden Erfindung ist es, eine konstruktiv möglichst einfach aufgebaute Speichervorrichtung zur Verfügung zu stellen.Object of the present invention is to provide a structurally simple as possible constructed memory device.
Gelöst wird diese Aufgabe mit einer Speichervorrichtung mit den Merkmalen des Anspruchs 1.This object is achieved with a memory device having the features of claim 1.
Diese Aufgabe wird des weiteren mit einer Vorrichtung mit den Merkmalen des Anspruchs 17 gelöst.This object is further achieved with a device having the features of claim 17.
Durch die erfindungsgemäße Speichervorrichtung wird es möglich, den für einen Bindevorgang erforderlichen Draht zwischenzuspeichern und dann aus dem Speicher für denBy the storage device according to the invention, it becomes possible to temporarily store the wire required for a binding operation and then from the memory for the
Bindevorgang abzuziehen. So kann die Zufuhr des Drahtes aus der Speichervorrichtung in den Schnürrahmen von der Zufuhr des Drahtes von der Rolle in die Speichervorrichtung entkoppelt werden. Dies vereinfacht nicht nur die Steuerung der Maschine, sondern entlastet auch die Antriebsvorrichtungen und den Bindedraht durch die Entkopplung der Drahtbewegung vor und nach der Speichervorrichtung. Außerdem muss der Bindedraht nicht wie bei der aus der WO 01/68450 A2 bekannten Vorrichtung mehrfach in unterschiedlichenRemove binding process. Thus, the supply of the wire from the storage device into the lacing frame may be decoupled from the supply of the wire from the roll to the storage device. This not only simplifies the control of the machine, but also relieves the drive devices and the binding wire by decoupling the wire movement before and after the storage device. In addition, the binding wire does not have to be in several different ways, as in the case of the device known from WO 01/68450 A2
Richtungen gebogen werden.Directions are bent.
Bei der Erfindung sind Ausführungsformen bzw. Durchführungsformen möglich, bei welchen der Vorgang des Zuführens des Bindedrahtes in die Speichervorrichtung und des Abführens des Bindedrahtes aus der Speichervorrichtung zeitlich nacheinander oder einander zeitlich überschneidend ausgeführt werden. Es ist ebenso möglich, dass der Vorgang des Zuführens des Bindedrahtes in die Speichervorrichtung im Wesentlichen kontinuierlich und der Vorgang des Abführens des Bindedrahtes aus der Speichervorrichtung diskontinuierlich erfolgt.In the invention, embodiments are possible in which the operation of feeding the binding wire into the storage device and discharging the binding wire from the storage device are performed successively in time or overlapping with each other in time. It is also possible that the process of feeding the binding wire into the storage device is substantially continuous and the process of discharging the binding wire from the storage device is discontinuous.
Das heißt, dass das Abziehen des Drahtes von der Rolle vor der Speichereinrichtung mehr oder weniger kontinuierlich und ohne große Beschleunigungen und/oder Verzögerungen erfolgen kann, wobei gleichzeitig gewährleistet ist, dass unabhängig davon das Zuführen des Drahtes aus der Speichervorrichtung in die Schnürvorrichtung mit sehr hoher Dynamik erfolgen kann. Eine erste bevorzugte Ausführungsform der Erfindung ist durch zwei in der Speichervorrichtung angeordnete Rollengruppen oder Rollen gekennzeichnet, um welche der Bindedraht wenigstens zweifach geführt ist, und deren Achsabstand veränderbar ist. Bei dieser Ausführungsform wird der Bindedraht exakt um die beiden Rollengruppen oder Rollen geführt, so dass ein störungsfreier Betrieb gewährleistet werden kann.This means that the removal of the wire from the roll in front of the storage device can take place more or less continuously and without great accelerations and / or delays, while at the same time ensuring that the supply of the wire from the storage device into the lacing device is very high Dynamics can be done. A first preferred embodiment of the invention is characterized by two roller groups or rollers arranged in the storage device, about which the binding wire is guided at least twice, and whose center distance is changeable. In this embodiment, the binding wire is guided exactly around the two roller groups or rollers, so that a trouble-free operation can be ensured.
Eine Anordnung, bei der beide Rollengruppen oder Rollen vertikal übereinander angeordnet sind, ist dabei von Vorteil, weil die Speichervorrichtung dann weniger Grundfläche benötigt.An arrangement in which both roller groups or rollers are arranged vertically one above the other is advantageous because the storage device then requires less floor space.
Eine zweite bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass die Speichervorrichtung ein Plattenspeicher ist, der einen Hohlraum bildet, in dem der Bindedraht lose aufgenommen ist.A second preferred embodiment of the invention is characterized in that the storage device is a disk storage that forms a cavity in which the binding wire is loosely received.
Derartige Plattenspeicher, welche an sich aus dem Stand der Technik bekannt sind, um den überschüssigen Draht beim Straffziehen des Drahtes nach dem Umschlingen der Ballen vorübergehend aufzunehmen, bestehen in der Regel aus einem flachen Kasten mit zwei großen, parallelen Seitenwänden, die nur einen sehr geringen Abstand voneinander haben, der üblicherweise kleiner als der doppelte Drahtdurchmesser ist. In diesen Plattenspeicher wird der Draht vom einlaufseitigen Antrieb lose hinein geschoben und vom auslaufseitigen Antrieb wieder herausgezogen. Da in diesem Plattenspeicher keine konstruktiven bewegten Massen vorhanden sind, ist einerseits der konstruktive Aufwand geringer und andererseits muss in Hinblick auf die Zufuhr- und Abzugsgeschwindigkeit bzw. -dynamik keine Rücksicht auf zusätzlich zu bewegende Massen genommen werden.Such disk storage devices, which are known per se in the prior art, to temporarily receive the excess wire when tightening the wire after wrapping the bales, usually consist of a flat box with two large, parallel side walls, which only a very small Distance apart, which is usually smaller than twice the wire diameter. In this disk storage, the wire from the inlet-side drive is pushed loosely into it and pulled out again from the outlet-side drive. Since no constructive moving masses are present in this disk storage, on the one hand, the design effort is less and on the other hand, no consideration must be taken in addition to moving masses with regard to the feed and take-off speed or dynamics.
Auch bei dieser Ausführungsform kommt der erfindungsgemäße Vorteil zum Tragen, dass das Abziehen des Drahtes von der Trommel oder sonstigen Speichervorrichtung dynamisch vom Zuführen des Drahtes in die Schnürvorrichtung entkoppelt werden kann.Also in this embodiment, the advantage of the invention comes into play that the removal of the wire from the drum or other storage device can be dynamically decoupled from feeding the wire into the lacing device.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele der Erfindung unter Bezugnahme auf die Zeichnungen.Further features and advantages of the invention will become apparent from the following description of preferred embodiments of the invention with reference to the drawings.
Es zeigt:It shows:
Fig. 1 eine Vorrichtung zum Verschnüren von Ballen mit einer ersten Ausführungsform einer erfindungsgemäßen Speichervorrichtung,1 shows a device for strapping bales with a first embodiment of a storage device according to the invention,
Fig. 2 die Speichervorrichtung in Vorderansicht,2 shows the storage device in front view,
Fig. 3 einen Schnitt durch die Speichervorrichtung entlang der Linie IH-III in Fig. 2,3 shows a section through the storage device along the line IH-III in Fig. 2,
Fig. 4 eine zweite Ausführungsform einer erfindungsgemäßen Speichervorrichtung in4 shows a second embodiment of a storage device according to the invention in FIG
Vorderansicht und Fig. 5 eine Schrägansicht der Ausführungsform von Fig. 4. - A -5 is an oblique view of the embodiment of FIG. 4. - A -
In Fig. 1 ist eine Schnürmaschine zum Verschnüren von Zellstoffballen mit verzinktem Stahldraht dargestellt, welche im Wesentlichen aus einer Speichervorrichtung 1 und einer Schnürvorrichtung 2 besteht. Der Bindedraht, mit dem die Ballen verschnürt werden, wird von der linken Seite von einer nicht dargestellten Trommel, einem Turm oder dergleichen in die in Fig. 1 bis 3 dargestellte erste Ausführungsform einer Speichervorrichtung 1 zugeführt, indem er von einem ersten Antrieb 3 von der Trommel abgezogen wird. Der in der Zeichnung nicht dargestellte Bindedraht wird anschließend mehrfach (im dargestellten Ausführungsbeispiel drei mal) um zwei Rollengruppen 4, 5 geführt und tritt anschließend, angetrieben von einem zweiten Antrieb 7, in den Schnürrahmen 8 ein. Die Rollengruppen 4, 5 bestehen jeweils aus koaxial nebeneinander angeordneten, unabhängig voneinander drehbar gelagerten Scheiben, die an ihrer Umfangsfläche eine Rille zur Führung des Bindedrahtes aufweisen.FIG. 1 shows a lacing machine for lacing pulp bales with galvanized steel wire, which consists essentially of a storage device 1 and a lacing device 2. The binding wire with which the bales are tied is fed from the left side of a drum, a tower, or the like, not illustrated, into the first embodiment of a storage device 1 shown in FIGS. 1 to 3, by a first drive 3 of the first Drum is pulled off. The binding wire, not shown in the drawing is then repeatedly (three times in the illustrated embodiment) to two roller groups 4, 5 and then enters, driven by a second drive 7, in the Schnürrahmen 8 a. The roller groups 4, 5 each consist of coaxially juxtaposed, independently rotatably mounted discs, which have on their peripheral surface a groove for guiding the binding wire.
Im Schnürrahmen 8 wird der Bindedraht ein Mal um etwas mehr als 360° gegen den Uhrzeigersinn rund um die im Schnürrahmen 8 gestapelten Ballen geführt, bis der Drahtanfang in einem Schnürkopf 9, der einen so genannten Twister, einen Greifer und eine Schneideinheit aufweist, über dem nachfolgenden, von der Speichervorrichtung 1 kommenden Draht zu liegen kommt. Zum Straffziehen des Drahtes wird der von der Speichervorrichtung 1 kommende Draht im Greifer geklemmt und in die entgegengesetzte Richtung zurück gezogen, wodurch der Draht aus den Führungen im Schnürrahmen 8 gezogen und die Schlinge um den Ballen zugezogen wird. Das Drahtende wird anschließend im Twister mit dem von der Speichervorrichtung 1 kommenden Draht verdrillt und die Schlinge vom nachfolgenden Draht abgeschnitten. Die Konstruktion des Schnürrahmens 8 ist an sich bekannt und wird daher nicht im Detail beschrieben.In the lacing frame 8, the binding wire is once guided by slightly more than 360 ° counterclockwise around the bales stacked in the lacing frame 8 until the beginning of the wire in a lacing head 9, which has a so-called twister, a gripper and a cutting unit, above the subsequent coming from the storage device 1 wire comes to rest. To tighten the wire, the wire coming from the storage device 1 is clamped in the gripper and pulled back in the opposite direction, pulling the wire from the guides in the lace frame 8 and pulling the loop around the bale. The wire end is then twisted in the twister with the wire coming from the memory device 1 and the loop is cut from the following wire. The construction of the Schnürrahmens 8 is known per se and is therefore not described in detail.
Bei Bedarf kann dieser Vorgang bei Ballen bis zu neun Mal wiederholt werden, falls dies aufgrund der Größe und Struktur der Ballen erforderlich ist. Die Ballen werden über Förderereinrichtungen 10, 11 quer zur Ebene, in der sich der Schnürrahmen 8 erstreckt, zugefördert, entsprechend der Anzahl der anzubringenden Bindedrähte schrittweise weitergefördert und anschließend aus diesem abgefördert.If necessary, this process can be repeated up to nine times in bales, if required due to the size and structure of the bales. The bales are conveyed over conveyor means 10, 11 transversely to the plane in which the Schnürrahmen 8 extends, gradually promoted according to the number of binding wires to be attached and then conveyed away from this.
Zwischen der Speichervorrichtung 1 und der Schnürvorrichtung 2 befindet sich noch eine Kompaktiervorrichtung 12 für Restdraht. Diese dient dazu, Restdraht, also das Ende eines vollständig von der Trommel abgezogenen Drahtes, dessen Länge nicht mehr ausreicht, um einen Ballen vollständig zu verschnüren, einzurollen, damit dieser leichter entsorgt werden kann.Between the storage device 1 and the lacing device 2 is still a compacting device 12 for residual wire. This serves to roll up remaining wire, ie the end of a wire completely drawn off from the drum, whose length is no longer sufficient to completely tie up a bale, so that it can be disposed of more easily.
Die Speichervorrichtung 1 der Ausführungsform gemäß Fig. 1 bis 3 weist wie erwähnt zweiThe memory device 1 of the embodiment according to FIGS. 1 to 3 has, as mentioned, two
Rollengruppen 4, 5 auf, wobei die untere Rollengruppe 4 ortsfest an einem Rahmen 13 gelagert ist. Der Rahmen 13 weist des Weiteren eine Führung 14 auf, an der die obere Rollengruppe 5 vertikal auf und ab verschiebbar ist. Die Speichervorrichtung 1 weist schließlich noch einen Kasten 6 auf, dessen Tür geöffnet dargestellt ist und in dem die Führung 14 und die Rollengruppen 4, 5 aufgenommen sind. Die verschiebbare Rollengruppe 5 ist in ihrer obersten Stellung mit durchgehenden Linien dargestellt und in ihrer untersten Stellung mit strichlierten Linien. Der Draht wird, nachdem er durch den Antrieb 3, mit dem er von der Trommel abgezogen wird, von links in die Speichervorrichtung 1 eingeschoben wurde, zunächst um 90° um eine erste Scheibe der unteren Rollengruppe 4 umgelenkt und anschließend mehrmals, im dargestellten Ausführungsbeispiel drei Mal in Schlingen um die weiteren Scheiben der beiden Rollengruppen 4 und 5 geführt, bis er anschließend nach der letzten Scheibe der unteren Rollengruppe 4 nach rechts vom Antrieb 7 aus der Speichervorrichtung 1 heraus gezogen wird. Die Anzahl der Umschlingung der beiden Rollengruppen 5 und 6 ist einerseits von der für die Umschlingung der Ballen erforderlichen Länge abhängig und andererseits vom Verschiebeweg der oberen Rollengruppe 5. Mit anderen Worten muss der Längenunterschied des um die beiden Rollengruppen 4 und 5 geschlungenen Drahtes zwischen der Stellung, in der sich die beiden Rollengruppen 4 und 5 am nächsten sind und der Stellung, in der die beiden Rollengruppen 4 und 5 am weitesten voneinander entfernt sind, mindestens so groß sein, wie Draht für die Umschlingung im Schnürrahmen 8 benötigt wird.Roller groups 4, 5, wherein the lower roller group 4 is fixedly mounted on a frame 13. The frame 13 further includes a guide 14 at which the upper Roller group 5 is vertically displaceable up and down. The storage device 1 finally also has a box 6, whose door is shown open and in which the guide 14 and the roller groups 4, 5 are accommodated. The sliding roller group 5 is shown in its uppermost position with solid lines and in its lowest position with dashed lines. The wire, after being pushed by the drive 3, with which it is withdrawn from the drum from the left into the storage device 1, first deflected by 90 ° about a first disc of the lower roller group 4 and then several times, in the illustrated embodiment three Run in loops around the other slices of the two roller groups 4 and 5 until it is subsequently pulled out of the storage device 1 to the right of the drive 7 after the last slice of the lower roller group 4. The number of wraps of the two roller groups 5 and 6 on the one hand depends on the length required for the wrapping of the bale and on the other hand by the displacement of the upper roller group 5. In other words, the difference in length of the two groups of rollers 4 and 5 looped wire between the position in which the two roller groups 4 and 5 are closest and the position in which the two groups of rollers 4 and 5 are furthest apart, be at least as large as wire is needed for the looping in the lacing frame 8.
Anstelle von Rollengruppen kann auch nur jeweils eine ortsfeste und verschiebbare Rolle verwendet werden, die jeweils eine der Anzahl der Umschlingungen entsprechende Anzahl von Rillen aufweist, über welche der Bindedraht aufgrund der unterschiedlichen Drahtgeschwindigkeiten der einzelnen Schlingen gleiten wird.Instead of roller groups only one stationary and displaceable roller can be used, each having a number of wraps corresponding number of grooves over which the binding wire will slide due to the different wire speeds of the individual loops.
Als Antrieb für die verschiebbare Rolle oder Rollengruppe 5 kann beispielsweise eine Feder oder ein Druckmittelzylinder, z.B. ein Pneumatikzylinder, verwendet werden, der die verschiebbare Rolle oder Rollengruppe 5 immer von der ortsfesten Rolle oder Rollengruppe 4 weg drückt, sodass der mehrfach um die Rollen oder Rollengruppen 4, 5 geschlungene Draht ständig gespannt ist und die verschiebbare Rolle oder Rollengruppe 5 beim Zuführen von Draht automatisch von der ortsfesten Rolle oder Rollengruppe 4 weg bewegt wird.As a drive for the displaceable roller or roller group 5, for example, a spring or a pressure medium cylinder, e.g. a pneumatic cylinder, which presses the displaceable roller or roller group 5 always away from the stationary roller or roller group 4, so that the multiple times around the rollers or roller groups 4, 5 looped wire is constantly stretched and the sliding roller or roller group 5 when feeding Wire is automatically moved away from the fixed roll or roll group 4.
Der Ablauf beim Schnüren von Ballen kann beispielsweise Folgender sein. Die Rollengruppe 5 befindet sich in der untersten Stellung, wenn bei einem vorhergehenden Schnürvorgang der gesamte Speichervorrat an Draht in der Speichervorrichtung 1 benötigt wurde. Der Antrieb 7 ist gestoppt so dass der Draht vom Antrieb 7 festgehalten wird. Es wird dann der Antrieb 3 gestartet, wodurch Draht von der Trommel abgezogen und in die Speichervorrichtung 1 hinein geschoben wird. Dabei wird die obere Rollengruppe 5 nach oben bewegt, bis sie ihre oberste Stellung erreicht hat. Theoretisch wäre es auch möglich, den Antrieb 3 bereits früher zu stoppen, wenn die benötigte Drahtlänge zum Umschlingen der Ballen geringer ist. Anschließend wird der Antrieb 3 gestoppt und der Antrieb 7 gestartet, wodurch Draht aus der Speichervorrichtung 1 heraus gezogen wird. Da der Antrieb 3 gestoppt ist und den Draht festhält, wird die obere Rollengruppe 5 nach unten bewegt. Durch den Antrieb 7 wird Draht soweit in den Schnürrahmen 8 hinein geschoben, bis dieser gefüllt ist und der Drahtanfang über dem aus der Speichervorrichtung 1 nachfolgenden Draht zu liegen kommt. Nun wird die Antriebsrichtung des Antriebes 7 umgekehrt, so dass die Schlinge um die Ballen so weit zugezogen wird, bis sie eng an den Ballen anliegt. Dann wird der Greifer betätigt und das Drahtende im Twister mit dem aus der Speichervorrichtung 1 kommenden Draht verdrillt und die fertig verdrillte Drahtschlinge vom nachfolgenden Draht abgeschnitten. Während die Schlinge um die Ballen fest zugezogen wird, wird ein Stück Draht in die Speichervorrichtung 1 zurückgeschoben, wodurch sich die Rollengruppe 5 wieder um ein kleines Stück nach oben bewegt. Schließlich wird wieder mit dem Befüllen der Speichervorrichtung 1 wie vorhin beschrieben begonnen, indem der Antrieb 7 gestoppt und der Antrieb 3 gestartet werden.The process of lacing bales may be, for example, the following. The role group 5 is in the lowest position, if in a previous lacing the entire storage of wire was required in the storage device 1. The drive 7 is stopped so that the wire is held by the drive 7. Then, the drive 3 is started, whereby wire is withdrawn from the drum and pushed into the storage device 1 into it. In this case, the upper roller group 5 is moved upward until it has reached its uppermost position. Theoretically, it would also be possible to stop the drive 3 earlier, if the required wire length for wrapping the bales is lower. Subsequently, the drive 3 is stopped and the drive 7 is started, whereby wire is pulled out of the storage device 1 out. Since the drive 3 is stopped and holds the wire, the upper roller group 5 is moved down. By the drive 7 wire is pushed so far into the Schnürrahmen 8 into it until it is filled and the beginning of the wire comes to rest on the next from the storage device 1 wire. Now, the drive direction of the drive 7 is reversed, so that the loop is pulled around the bale until it rests tightly against the bale. Then the gripper is actuated and the wire end in the twister is twisted with the wire coming out of the storage device 1 and the finished twisted wire loop is cut from the subsequent wire. As the loop is tightened around the bales, a piece of wire is pushed back into the storage device 1, causing the roller assembly 5 to move up a little bit again. Finally, the filling of the storage device 1 is started again as described above by the drive 7 being stopped and the drive 3 being started.
In den Fig. 4 und 5 ist eine zweite Ausführungsform der Erfindung dargestellt, bei der die Speichervorrichtung 1 als sogenannter Plattenspeicher 15 ausgeführt ist. Der Plattenspeicher 15 besteht aus einem im wesentlichen hohlen, sehr flachen Kasten, dessen großflächige Seitenwände 16, 17 nur einen geringen Abstand haben, der kleiner als das Doppelte des Drahtdurchmessers ist. Vorzugsweise beträgt der Abstand der beiden Seitenwände 16, 17 etwa das 1,5-fache des Drahtdurchmessers. Dadurch kann verhindert werden, dass sich der Draht in Schlaufen nebeneinander legt, welche zu Verknotungen und in der Folge zu Betriebsunterbrechungen führen würden. Gestützt wird die hintere Seitenwand 17 durch einen Rahmen 22.4 and 5, a second embodiment of the invention is shown, in which the storage device 1 is designed as a so-called disk storage 15. The disk storage 15 consists of a substantially hollow, very flat box whose large side walls 16, 17 have only a small distance which is smaller than twice the wire diameter. Preferably, the distance between the two side walls 16, 17 is about 1.5 times the wire diameter. This can prevent that the wire lays in loops next to each other, which would lead to knots and as a result to interruptions in operation. The rear side wall 17 is supported by a frame 22.
Die Speichervorrichtung 1 der Ausführungsform gemäß Fig. 4 und 5 weist ebenso wie jene gemäß Fig. 1 bis 3 einen Einlauf mit einem Antrieb 3 und einen Auslauf mit einem Antrieb 7 auf. Im Bereich des Einlaufs ist nach dem Antrieb 3 eine bogenförmige Führung 18 und im Bereich des Auslaufs ist vor dem Antrieb 7 eine bogenförmige Führung 19 angeordnet. Die Führungen 18, 19 können Gleitführungen, wie bei der Führung 18 dargestellt, oder Rollenführungen, wie bei der Führung 19 dargestellt, sein. Bei Bedarf können sich die Führungen 18, 19 auch noch ein Stück seitlich entlang der Stirnwände 20, 21 nach oben erstrecken, um den Führungsbereich für den Draht zu verlängern. Zwischen den gegebenenfalls nach oben verlängerten Führungen 18, 19 gibt es für den Draht keine Führungen oder Stützeinrichtungen, so dass sich der Draht zwischen den Führungen 18, 19 mehr oder weniger zufällig lose mäanderförmig legt.The storage device 1 of the embodiment according to FIGS. 4 and 5, like those according to FIGS. 1 to 3, has an inlet with a drive 3 and an outlet with a drive 7. In the region of the inlet is after the drive 3, an arcuate guide 18 and in the region of the outlet, an arcuate guide 19 is arranged in front of the drive 7. The guides 18, 19 may be sliding guides as shown in the guide 18 or roller guides as shown in the guide 19. If desired, the guides 18, 19 may also extend a distance laterally along the end walls 20, 21 upwardly to extend the guide area for the wire. Between the optionally elongated guides 18, 19, there are no guides or support means for the wire, so that the wire between the guides 18, 19 more or less random meander loosely.
Zum erstmaligen Zuführen eines neuen Bindedrahtes in die Speichervorrichtung werden dieFor the first time feeding a new binding wire into the storage device, the
Führungen 18, 19 durch eine in den Zeichnungen nicht dargestellte geradlinige Führung ersetzt, durch welche der Draht zwischen den Antrieben 3, 7 geradlinig durch die Speichervorrichtung 1 durchgeführt wird. Anschließend kommen wieder die Führungen 18, 19 zum Einsatz. Der Wechsel zwischen den Führungen 18, 19 und der geradlinigen Führung kann bevorzugt auch automatisiert durchgeführt werden.Guides 18, 19 replaced by a straight line guide, not shown in the drawings, through which the wire between the drives 3, 7 is performed in a straight line through the storage device 1. Then come again the guides 18, 19 for use. The change between the guides 18, 19 and the linear guide can preferably be carried out automatically.
Diese Ausführungsform bietet im Vergleich zur Ausführungsform gemäß Fig. 1 bis 3 den Vorteil eines sehr geringen konstruktiven Aufwandes sowie nicht vorhandener zu bewegender konstruktiver Massen während des Befüllens und Entleerens der Speichervorrichtung 1 mitThis embodiment offers in comparison to the embodiment according to FIGS. 1 to 3 the advantage of a very low design effort and non-existent to be moved constructive masses during filling and emptying of the storage device 1 with
Bindedraht, wogegen die Ausführungsform gemäß Fig. 1 bis 3 den Vorteil einer kontrolliertenBinding wire, whereas the embodiment of FIG. 1 to 3 has the advantage of a controlled
Führung des Bindedrahtes in der Speichervorrichtung 1 bietet, mit welcherGuiding the binding wire in the storage device 1 provides, with which
Betriebsunterbrechungen durch allfälliges Verklemmen des Drahtes im Plattenspeicher 15, welche bei bestimmten Drahtquerschnitten oder Drahtqualitäten möglicherweise nicht ganz ausgeschlossen werden können, zuverlässig vermieden werden können.Business interruptions due to any jamming of the wire in the disk storage 15, which may not be completely excluded with certain wire cross sections or wire qualities, can be reliably avoided.
Die Antriebe 3 und 7 beider vorstehend beschriebener Ausführungsformen müssen aber nicht wie beschrieben während des Füllens und Entleerens der Speichervorrichtung 1 wechselseitig gestoppt werden, sondern die beiden Antriebe 3 und 7 können einander zeitlich überschneidend angetrieben werden, so dass die Speichervorrichtung 1 mit Hilfe des Antriebes 3 bereits wieder gefüllt werden kann, während der Draht mit Hilfe des Antriebes 7 abgezogen wird. Dies ist möglich, weil durch das dynamische Speichervermögen der Speichervorrichtung 1 das Abziehen des Drahtes von der Trommel vom Zuführen des Drahtes zur Schnürvorrichtung 1 entkoppelt wird. Auf diese Weise ist eine Verkürzung der Taktzeit der Schnürmaschine möglich. Ebenso ist es möglich, den Antrieb 3 während des routinemäßigen Betriebes überhaupt nicht zu stoppen, sondern ihn mit mehr oder weniger konstanter Geschwindigkeit ständig laufen zu lassen und nur den Antrieb 7 in Abhängigkeit vom Schnürvorgang diskontinuierlich anzutreiben. Wenn die Antriebe 3, 7 einander zeitlich überschneidend angetrieben werden oder der erste Antrieb beim Betrieb der erfindungsgemäßen Vorrichtung überhaupt nicht gestoppt wird, könnte die in der Speichervorrichtung 1 maximal speicherbare Drahtlänge auch kleiner als die für das Befüllen des Schnürrahmens erforderliche Länge sein, sodass beispielsweise der Verschiebeweg der verschiebbaren Rollengruppe 5 der Ausführungsform von Fig. 1 bis 3 kleiner sein könnte, da die Speichervorrichtung während des Herausziehens des Drahtes schon wieder befüllt wird.However, the drives 3 and 7 of both embodiments described above need not be mutually stopped as described during the filling and emptying of the storage device 1, but the two drives 3 and 7 can be driven overlapping each time, so that the storage device 1 by means of the drive. 3 can be filled again while the wire is removed by means of the drive 7. This is possible because, due to the dynamic storage capacity of the storage device 1, the removal of the wire from the drum from the supply of the wire to the lacing device 1 is decoupled. In this way, a shortening of the cycle time of the Schnürmaschine is possible. It is also possible not to stop the drive 3 during routine operation at all, but to let it run continuously at a more or less constant speed and to drive only the drive 7 discontinuously as a function of the lacing. If the drives 3, 7 are driven overlapping in time or the first drive during operation of the device according to the invention is not stopped at all, the maximum storable in the memory device 1 wire length could be less than the length required for filling the Schnürrahmens, so for example the Displacement of the movable roller group 5 of the embodiment of Fig. 1 to 3 could be smaller because the storage device is already refilled during the extraction of the wire.
In Zufuhrrichtung des Bindedrahtes gesehen ist vor der Speichervorrichtung 1, vorzugsweise noch vor dem Antrieb 3, eine Messeinrichtung für die in die Speichervorrichtung 1 zuzuführende Länge des Bindedrahtes angeordnet. Wenn das Ende des von der Trommel abgezogenen Bindedrahtes erreicht wird, noch bevor die für den nächsten Schnürvorgang erforderliche Länge an Bindedraht in der Speichervorrichtung 1 gespeichert wurde, muss dieser Restdraht entsorgt werden. Dies kann, da sich erst ein kurzes Stück des Bindedrahtes in der Schnürvorrichtung 2 befindet, auf einfache Weise dadurch erfolgen, dass das vordere Ende des Restdrahtes, welches sich im Schnürkopf 9 befindet, aus der Schnürvorrichtung 2 so weit zurückgezogen wird, bis es sich in der Kompaktiervorrichtung 12 befindet. Dann wird der Antrieb 7 wieder in die normale Zufuhrrichtung umgeschaltet und der Restdraht in der Kompaktiervorrichtung 12 kompaktiert und ausgeworfen.As seen in the feed direction of the binding wire, a measuring device for the length of the binding wire to be fed into the storage device 1 is arranged in front of the storage device 1, preferably before the drive 3. When the end of the binding wire drawn from the drum is reached, even before the length of binding wire required for the next lacing operation has been stored in the storage device 1, this residual wire must be discarded. This can, since only a short piece of the binding wire is in the lacing device 2, done in a simple manner by the fact that the front end of the remaining wire, which is located in the lacing 9, is withdrawn from the lacing device 2 until it is in the compacting device 12 is located. Then the Drive 7 is switched back to the normal supply direction and compacted the remaining wire in the compactor 12 and ejected.
Anstelle einer Messeinrichtung kann vor der Speichervorrichtung 1, vorzugsweise vor dem Antrieb 3, auch nur eine einfache Einrichtung zum Feststellen des Endes des Bindedrahtes angeordnet sein. Sobald diese Einrichtung das Ende des Bindedrahtes fest stellt, wird derInstead of a measuring device can be arranged in front of the storage device 1, preferably in front of the drive 3, even a simple means for detecting the end of the binding wire. As soon as this device detects the end of the binding wire, the
Antrieb 3 gestoppt und der Restdraht wie vorhin beschrieben entsorgt. Diese Ausführungsform setzt voraus, dass die Länge des in die Speichervorrichtung 1 zuzuführenden Drahtes auf andere Weise erfasst oder bestimmt wird, beispielsweise indem als Antrieb ein Schrittmotor verwendet wird, durch dessen Drehung die Vorschublänge des Drahtes exakt vorgegeben werden kann, oder die Antriebsdauer des Antriebs 3 auf die Länge des zuzuführendenDrive 3 stopped and disposed of the remaining wire as previously described. This embodiment assumes that the length of the wire to be supplied to the storage device 1 is detected or determined in another way, for example by using a stepper motor as the drive, by the rotation of which the feed length of the wire can be exactly specified, or the drive duration of the drive 3 to the length of the supplied
Bindedrahtes abgestimmt ist. Tie wire is tuned.

Claims

Ansprüche: Claims:
1. Speichervorrichtung für Bindedraht einer Schnürmaschine, insbesondere für die1. Storage device for binding wire of a Schnürmaschine, in particular for the
Zellstoffproduktion, mit einem Einlauf in die Speichervorrichtung (1 ) und einem Auslauf aus der Speichervorrichtung (1), und mit einem Antrieb (3, 7) für den Bindedraht, dadurch gekennzeichnet, dass im Bereich des Einlaufes und des Auslaufes ein AntriebPulp production, with an inlet into the storage device (1) and an outlet from the storage device (1), and with a drive (3, 7) for the binding wire, characterized in that in the region of the inlet and the outlet drive
(3, 7) für den Bindedraht angeordnet ist.(3, 7) is arranged for the binding wire.
2. Speichervorrichtung nach Anspruch 1 , gekennzeichnet durch zwei in der Speichervorrichtung (1 ) angeordnete Rollen oder Rollengruppen (4, 5), um welche der2. Storage device according to claim 1, characterized by two in the storage device (1) arranged rollers or roller groups (4, 5) to which of the
Bindedraht wenigstens zweifach geführt ist, und deren Achsabstand veränderbar ist.Binding wire is performed at least twice, and the center distance is variable.
3. Speichervorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass eine Rollengruppe oder Rolle (4) ortsfest und die zweite Rollengruppe oder Rolle (5) verschiebbar ist.3. Storage device according to claim 2, characterized in that a roller group or roller (4) stationary and the second roller group or roller (5) is displaceable.
4. Speichervorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die zwei Rollengruppen oder Rollen (4, 5) vertikal übereinander angeordnet sind.4. Storage device according to claim 2 or 3, characterized in that the two roller groups or rollers (4, 5) are arranged vertically one above the other.
5. Speichervorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die verschiebbare Rollengruppe oder Rolle (5) entlang einer Führung (14) verschiebbar ist.5. Storage device according to one of claims 2 to 4, characterized in that the displaceable roller group or roller (5) along a guide (14) is displaceable.
6. Speichervorrichtung nach Anspruch 5, gekennzeichnet durch einen motorischen Antrieb zum Verschieben der verschiebbaren Rollengruppe oder Rolle (5) entlang der6. Storage device according to claim 5, characterized by a motor drive for displacing the displaceable roller group or roller (5) along the
Führung (14).Leadership (14).
7. Speichervorrichtung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass jede Rollengruppe aus zwei oder mehr nebeneinander angeordneten Scheiben besteht, die unabhängig voneinander drehbar gelagert sind.7. Storage device according to one of claims 2 to 6, characterized in that each roller group consists of two or more juxtaposed discs which are rotatably supported independently of each other.
8. Speichervorrichtung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass jede Rolle zwei oder mehr nebeneinander angeordnete Rillen aufweist.8. Storage device according to one of claims 2 to 6, characterized in that each roller has two or more juxtaposed grooves.
9. Speichervorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Speichervorrichtung (1) ein Plattenspeicher (15) ist, der einen Hohlraum bildet, in dem der Bindedraht lose aufgenommen ist.9. Storage device according to claim 1, characterized in that the storage device (1) is a disk storage (15), which forms a cavity in which the binding wire is loosely received.
10. Speichervorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der Abstand von zwei gegenüberliegenden Platten (16, 17) maximal das Doppelte des Drahtdurchmessers, vorzugsweise das 1 ,5 fache des Drahtdurchmessers beträgt.10. Storage device according to claim 9, characterized in that the distance of two opposite plates (16, 17) a maximum of twice the Wire diameter, preferably, 1, 5 times the wire diameter.
11. Speichervorrichtung nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass beim einem Einlauf in die Speichervorrichtung (1) und beim Auslauf aus der Speichervorrichtung (1) bogenförmige Führungen (18, 19) vorgesehen sind.11. Storage device according to claim 9 or 10, characterized in that at an inlet into the storage device (1) and at the outlet from the storage device (1) arcuate guides (18, 19) are provided.
12. Speichervorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass sich die Führungen (18, 19) entlang wenigstens eines Abschnittes von Stirnflächen (20, 21) erstrecken.12. Storage device according to claim 11, characterized in that the guides extend (18, 19) along at least a portion of end faces (20, 21).
13. Speichervorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass in Zufuhrrichtung des Bindedrahtes vor der Speichervorrichtung (1) eine Messeinrichtung für die Länge des in die Speichervorrichtung (1) zugeführten Bindedrahtes angeordnet ist.13. Storage device according to one of claims 1 to 12, characterized in that in the feed direction of the binding wire in front of the storage device (1) a measuring device for the length of the storage device (1) supplied binding wire is arranged.
14. Speichervorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass der im Bereich des Einlaufes angeordnete Antrieb (3) mit der Messeinrichtung verbunden ist.14. Storage device according to claim 13, characterized in that the arranged in the region of the inlet drive (3) is connected to the measuring device.
15. Speichervorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass die Messeinrichtung in den im Bereich des Einlaufes angeordneten Antrieb (3) integriert ist.15. Storage device according to claim 13, characterized in that the measuring device is integrated in the arranged in the region of the inlet drive (3).
16. Speichervorrichtung nach einem der Ansprüche 13 bis 15, gekennzeichnet durch eine Recheneinheit, welche die für einen Schnürvorgang erforderliche, vorgegebene Länge an den Bindedraht mit der von der Messeinrichtung gemessenen Länge des in die Speichervorrichtung (1) zugeführten Bindedrahtes vergleicht.16. Storage device according to one of claims 13 to 15, characterized by an arithmetic unit, which compares the required for a lacing, predetermined length of the binding wire with the length measured by the measuring device of the fed into the storage device (1) binding wire.
17. Verfahren zum Zuführen von Bindedraht durch eine Speichervorrichtung (1) zu einer Schnürvorrichtung (2), insbesondere für die Zellstoffproduktion, bei dem der Bindedraht durch einen Einlauf in die Speichervorrichtung (1) zugeführt und durch einen Auslauf aus der Speichervorrichtung (1) zur Schnürvorrichtung (2) zugeführt wird, dadurch gekennzeichnet, dass der zugeführte Bindedraht zunächst in der Speichervorrichtung17. A method for feeding binding wire by a storage device (1) to a lacing device (2), in particular for pulp production, in which the binding wire fed through an inlet into the storage device (1) and through a spout from the storage device (1) Lacing device (2) is supplied, characterized in that the supplied binding wire first in the storage device
(1) gespeichert und anschließend aus der Speichervorrichtung der Schnürvorrichtung(1) stored and then from the storage device of the lacing device
(2) zugeführt wird.(2) is supplied.
18. Verfahren nach Anspruch 17, dadurch gekennzeichnet, dass der Bindedraht in der Speichervorrichtung (1 ) um zwei Rollen (4, 5) geführt wird, von welchen eine Rolle (5) während des Zuführens des Bindedrahtes in die Speichervorrichtung (1) von der anderen Rolle (4) weg bewegt und während des Abführens des Bindedrahtes aus der Speichervorrichtung (1) auf die andere Rolle (4) zu bewegt wird. 18. The method according to claim 17, characterized in that the binding wire in the storage device (1) is guided around two rollers (4, 5), of which a roller (5) during the feeding of the binding wire into the storage device (1) of the other role (4) and moved during the removal of the binding wire from the storage device (1) to the other roller (4).
19. Verfahren nach Anspruch 17, dadurch gekennzeichnet, dass der Bindedraht lose in der Speichervorrichtung (1 ) aufgenommen wird.19. The method according to claim 17, characterized in that the binding wire is loosely received in the storage device (1).
20. Verfahren nach einem der Ansprüche 17 bis 19, dadurch gekennzeichnet, dass der Vorgang des Zuführens des Bindedrahtes in die Speichervorrichtung (1) und des20. The method according to any one of claims 17 to 19, characterized in that the process of feeding the binding wire in the storage device (1) and the
Abführens des Bindedrahtes aus der Speichervorrichtung (1) einander zeitlich überschneiden.Discharging the binding wire from the storage device (1) temporally overlap.
21. Verfahren nach einem der Ansprüche 17 bis 19, dadurch gekennzeichnet, dass der Vorgang des Zuführens des Bindedrahtes in die Speichervorrichtung (1) und des21. The method according to any one of claims 17 to 19, characterized in that the process of supplying the binding wire in the storage device (1) and the
Abführens des Bindedrahtes aus der Speichervorrichtung (1) zeitlich nacheinander ausgeführt werden.Discharging the binding wire from the storage device (1) are performed sequentially in time.
22. Verfahren nach einem der Ansprüche 17 bis 19, dadurch gekennzeichnet, dass der Vorgang des Zuführens des Bindedrahtes in die Speichervorrichtung (1) im22. The method according to any one of claims 17 to 19, characterized in that the process of feeding the binding wire into the storage device (1) in
Wesentlichen kontinuierlich und der Vorgang des Abführens des Bindedrahtes aus der Speichervorrichtung (1 ) diskontinuierlich erfolgt.Essentially continuously and the process of discharging the binding wire from the storage device (1) is discontinuous.
23. Verfahren nach einem der Ansprüche 17 bis 22, dadurch gekennzeichnet, dass die Länge des in die Speichervorrichtung (1) zuzuführenden Bindedrahtes gemessen und mit einer für einen Schnürvorgang erforderlichen Länge verglichen wird.23. The method according to any one of claims 17 to 22, characterized in that the length of the binding device (1) to be supplied to the binding wire is measured and compared with a required length for a lacing operation.
24. Verfahren nach einem der Ansprüche 17 bis 23, dadurch gekennzeichnet, dass das Ende des in die Speichervorrichtung (1 ) zuzuführenden Bindedrahtes erfasst wird.24. The method according to any one of claims 17 to 23, characterized in that the end of the binding device (1) to be supplied to the binding wire is detected.
25. Verfahren nach Anspruch 23 oder 24, dadurch gekennzeichnet, dass in dem Fall, dass die Länge an Restdraht in der Speichervorrichtung (1) kleiner als die für einen Schnürvorgang erforderliche Länge ist, der Restdraht aus der Speichervorrichtung (1 ) abgezogen und ausgeworfen wird.25. The method according to claim 23 or 24, characterized in that in the case that the length of residual wire in the memory device (1) is smaller than the length required for a lacing, the remaining wire is withdrawn from the memory device (1) and ejected ,
26. Verfahren nach Anspruch 25, dadurch gekennzeichnet, dass der Restdraht zuerst aus der Schnürvorrichtung (2) zurückgezogen und anschließend aus der Speichervorrichtung (1 ) abgezogen und ausgeworfen wird.26. The method according to claim 25, characterized in that the remaining wire is first withdrawn from the lacing device (2) and then withdrawn from the storage device (1) and ejected.
27. Verfahren nach einem der Ansprüche 25 oder 26, dadurch gekennzeichnet, dass der Restdraht nach dem Abziehen aus der Speichervorrichtung (1) einer zwischen der Speichervorrichtung (1 ) und der Schnürvorrichtung (1) angeordneten Kompaktiervorrichtung (12) zugeführt wird. 27. The method according to any one of claims 25 or 26, characterized in that the remaining wire after removal from the storage device (1) between the storage device (1) and the lacing device (1) arranged compacting device (12) is supplied.
EP09775573A 2008-07-31 2009-07-24 Storage device for binding wire of a cording machine Revoked EP2310274B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0118908A AT507145B1 (en) 2008-07-31 2008-07-31 STORAGE DEVICE FOR BINDING WIRE OF A LOCKING MACHINE
PCT/AT2009/000287 WO2010012016A2 (en) 2008-07-31 2009-07-24 Storage device for binding wire of a cording machine

Publications (2)

Publication Number Publication Date
EP2310274A2 true EP2310274A2 (en) 2011-04-20
EP2310274B1 EP2310274B1 (en) 2012-06-06

Family

ID=41576421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775573A Revoked EP2310274B1 (en) 2008-07-31 2009-07-24 Storage device for binding wire of a cording machine

Country Status (11)

Country Link
US (1) US9199754B2 (en)
EP (1) EP2310274B1 (en)
CN (1) CN101638150B (en)
AT (1) AT507145B1 (en)
BR (1) BRPI0902462B1 (en)
CA (1) CA2731338C (en)
CL (1) CL2009001652A1 (en)
ES (1) ES2393743T3 (en)
PT (1) PT2310274E (en)
UY (1) UY32018A (en)
WO (1) WO2010012016A2 (en)

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Also Published As

Publication number Publication date
CA2731338A1 (en) 2010-02-04
BRPI0902462B1 (en) 2019-06-04
AT507145B1 (en) 2010-05-15
WO2010012016A3 (en) 2010-04-22
US20110168036A1 (en) 2011-07-14
ES2393743T3 (en) 2012-12-27
EP2310274B1 (en) 2012-06-06
PT2310274E (en) 2012-09-12
CA2731338C (en) 2017-06-13
CN101638150B (en) 2015-06-10
US9199754B2 (en) 2015-12-01
CN101638150A (en) 2010-02-03
AT507145A1 (en) 2010-02-15
CL2009001652A1 (en) 2009-10-16
BRPI0902462A2 (en) 2010-04-20
UY32018A (en) 2010-02-26
WO2010012016A2 (en) 2010-02-04

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