EP1545981B1 - Method for removing wires or tapes from pressed bales of raw material, and wire coiling device for carrying out said method - Google Patents
Method for removing wires or tapes from pressed bales of raw material, and wire coiling device for carrying out said method Download PDFInfo
- Publication number
- EP1545981B1 EP1545981B1 EP03798121A EP03798121A EP1545981B1 EP 1545981 B1 EP1545981 B1 EP 1545981B1 EP 03798121 A EP03798121 A EP 03798121A EP 03798121 A EP03798121 A EP 03798121A EP 1545981 B1 EP1545981 B1 EP 1545981B1
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- European Patent Office
- Prior art keywords
- wire
- wires
- bale
- coiling
- tapes
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000002994 raw material Substances 0.000 title claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 36
- 238000005520 cutting process Methods 0.000 claims description 16
- 230000001174 ascending effect Effects 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Images
Classifications
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- 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
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0025—Removing or cutting binding material, e.g. straps or bands
-
- 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
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
- Y10T29/5136—Separate tool stations for selective or successive operation on work
- Y10T29/5137—Separate tool stations for selective or successive operation on work including assembling or disassembling station
- Y10T29/5139—Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to sever work prior to disassembling
Definitions
- the invention relates to a method according to the preamble of claim 1 and to a wire winding device according to the preamble of claim 10.
- the invention is therefore based on the object to improve the method of the type mentioned so that the removal of wires or bands of paper or pulp bales is even faster.
- the claim 10 describes a wire winding device, which is used to carry out the Method is particularly well suited.
- the crossing points of the wires or ribbons can be selected to set the wire winding device there, it is possible to simultaneously detect and remove two wires with each winding operation with the same wire winding device.
- the method can be automated and therefore particularly economical.
- the bale 1 shown is positioned so that only approximately vertical wires are present on the vertical side surfaces. This means that in the position shown here, the stratification of the bale is horizontal and the pressing direction is vertical. It is transported by unillustrated conveyors, eg chain conveyors, roller conveyors or apron conveyors, into the de-wireing station and brought into a position in which the points of intersection 3 and 3 'of the wires 2 and 2' are at the top of the bale 1. Then this top is brought by the Ballenpositionier issued 4 (double lifting unit) to a height above the pivots a swivel arm with telescoping device 6 and wire winding device 7 to remove the wires.
- unillustrated conveyors eg chain conveyors, roller conveyors or apron conveyors
- the position of the wires are detected, the crossing points 3 and 3 'determined and transmitted the coordinates to the machine control 10.
- the position is corrected according to the height variations of the bale surface from the ideal horizontal plane. If the wire winding device shown in FIGS.
- a correction of the stator tip position corresponding to the executed pivoting angle of the pivoting device 8 takes place during its positioning, so that the stator tips formed by the wire guiding slots 17 lie exactly over the sectors stand, which are formed by the wires at the crossing point 3, 3 '.
- the winding unit is lowered onto the bale until the stator tips rest on the bale surface.
- drives can be used rotary actuators, rack drives and / or hydraulic cylinders, which are equipped with position sensors.
- - cutting devices 9 and 9 ' also controlled by the machine control 10, brought by means of linear axes, which can be equipped with a servo drive, each in a cutting position in which the severing of the wires 2 and 2' takes place.
- the interfaces of the wire are chosen so that both ends, as seen from the intersection point 3, are approximately the same length. In this way, the clock rate of the process can be increased.
- the attachment of the cutting devices to the bale can be done by pressure-controlled hydraulic cylinders.
- FIG. 1 shows only a single wire winding device 7 with associated swivel arm and telescoping device 6, it is advantageous to provide several such.
- the fastest way to do this is with a de-wireing station, where the number of wire winders is sufficient to accommodate all the wires simultaneously to be able to capture.
- An appropriately programmed machine control then assigns each wire winding device an achievable crossing point, so that they can work simultaneously.
- a partial surface of the bale is then accessible.
- such bales contain one to four crossing points on a surface.
- the cutting devices 9 and 9 ' can be mounted so that they are moved together with the bale 1 by the Ballenpositionier Anlagen 4 in the vertical. From which side the cutting devices are brought into cutting position, depends on the spatial conditions and possibly on the already mentioned desire to obtain when cutting as long as possible with respect to the crossing point. Usually, one will attach the cutting devices laterally, that is to say in the areas parallel to the bale conveying direction (arrow 11). The surfaces which are perpendicular to the transport direction (arrow 11), are not so well suited for mechanical engineering reasons, which is why usually for the non-laterally detectable wires, the cutting devices are brought from below to the bale.
- the bale 1 may be e.g. lowered onto a conveyor belt, not shown here, and pulled out of the wire stripping station in the transport direction (arrow 11). At the same time the new still wired bale follows.
- FIG. 2 a to 2 c A particularly suitable for carrying out the method according to the invention wire winding device show the Fig. 2 a to 2 c.
- This contains a centrally arranged hollow cylindrical winding rotor 12 with at least two outgoing from the working end of the hollow cylinder helical, the cylinder wall penetrating slots (not shown here).
- This winding rotor 12 is surrounded by a stator 15, the at least two, preferably four, also emanating from its outer end helical, opposite to the slots of the Winding rotor extending wire guide slots (not shown here).
- the hollow cylindrical winding rotor 12 continues in a drive shaft 13 designed as a hollow shaft. In this hollow shaft is a Drahtausquester 14.
- FIG. 2 a shows the working position before winding, ie the Drahtaussourceer 14 is in the normal position.
- a wire coil 16 in the stator 15 shows.
- the Abschwenkvorgang can already begin before the wires are completely wound up, whereby time is saved.
- Fig. 2 c shows the Drahtausmatier 14 in the end position of the ejection position after he moves through a - not shown - hydraulic or pneumatic cylinder with rotation, the wire coil 16 has ejected.
- a similar wire winding device is known from the already mentioned DE 28 21 336 C2.
- the known device is improved and thereby adapted to the process that the stator in a certain range of angles, preferably about 30 °, is rotatable about its axis, thereby to lift off the bales lying on the wires or bands.
- Fig. 3 shows left a stator 15 and to the right of the winding rotor 12 with the drive shaft 13. For clarity, these two parts are not drawn in usable arrangement, so not mated.
- the orientation of the slots in these two components is in opposite directions, so that by rotation of the hollow cylindrical winding rotor 12 within the stator 15, the wires or ribbons can be wound up. Since the stator 15 in a limited Angle range is rotatable and thereby retracts the wires from the bale in the wire guide slot 17, 15 may be provided between the working end of the winding rotor 12 and the stator 15, a small distance a of a few millimeters. This also serves to protect the bales.
- the development of the circumference of the stator 15 shown in FIG. 4 illustrates that a total of four wire guide slots 17 are present.
- a slot angle ⁇ which is shallower than the angle ⁇ in the remaining area.
- the wire guide slot 17 may also be designed with a progressive pitch.
- a wire coil 16 can be formed without significantly damaging the surface of the bale. As will be explained later, such damage, especially in high-quality pulp bales, is undesirable. Since the wire winding device 7 is guided "precisely" to the crossing point, this device is able to securely grasp all four wire ends of a crossing point.
- the rotational mobility of the stator 15 may be relatively low. Normally it will be turned back to the starting position after completing the wrapping process.
- the inventive method is used in a very special way of protecting raw materials, since the wire winding devices and cutting devices are used selectively in a few places. Also, the fact that pulp bales are normally more uniform in their size and wiring form is contrary to the goal of the process, namely to quickly and easily find and remove the wires.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Winding Filamentary Materials (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Basic Packing Technique (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Nonmetallic Welding Materials (AREA)
- Unwinding Of Filamentary Materials (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Verfahren gemäß dem Oberbegriff des Anspruchs 1 und auf eine Drahtwickelvorrichtung gemäß dem Oberbegriff des Anspruchs 10.The invention relates to a method according to the preamble of claim 1 and to a wire winding device according to the preamble of
Verfahren und Vorrichtungen dieser Art werden z.B. in der Papierindustrie verwendet. Oft wird nämlich der Rohstoff für die Papiererzeugung, also Zellstoff oder Altpapier, in gepressten Ballen angeliefert, die durch Drähte oder Bänder zusammengehalten werden. Bevor die Rohstoffe dann z.B. in einem Stofflöser zu einer wässrigen Suspension verarbeitet werden, müssen solche Drähte oder Bänder in der Regel entfernt werden. Das kann zwar auch manuell geschehen, ist aber gefährlich und aufwändig. Daher sind Verfahren der hier genannten Art entwickelt worden, mit deren Hilfe die Entfernung von Drähten und Bändern automatisch vonstatten gehen kann. Wickelvorrichtungen, die für solche Verfahren verwendet werden können, sind z.B. aus der DE 28 21 336 C2 bekannt. Eine wichtige Anforderung an solche Verfahren liegt in einer möglichst hohen Taktrate bei der Entdrahtung, d.h. dass z.B. pro Stunde möglichst viele Ballen verarbeitet werden sollen. Die Entdrahtungsstation mit einer Vielzahl von Vorrichtungen ist nämlich sehr aufwändig und sollte optimal genutzt werden können.Methods and devices of this kind are described e.g. used in the paper industry. Often the raw material for paper production, ie pulp or waste paper, is delivered in pressed bales, which are held together by wires or tapes. Before the raw materials then e.g. in a pulper to be processed into an aqueous suspension, such wires or tapes must be removed as a rule. Although this can be done manually, but it is dangerous and time-consuming. Therefore, methods of the type mentioned here have been developed, by means of which the removal of wires and tapes can take place automatically. Winding devices which can be used for such processes are e.g. known from DE 28 21 336 C2. An important requirement of such methods is the highest possible rate of de-wiring, i. that e.g. As many bales as possible should be processed per hour. The Entdrahtungsstation with a variety of devices is in fact very complex and should be used optimally.
Der Erfindung liegt daher die Aufgabe zu Grunde, die Verfahren der genannten Art so zu verbessern, dass die Entfernung von Drähten oder Bändern von Papier- oder Zellstoffballen noch schneller möglich ist.The invention is therefore based on the object to improve the method of the type mentioned so that the removal of wires or bands of paper or pulp bales is even faster.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.
Der Anspruch 10 beschreibt eine Drahtwickelvorrichtung, die zur Durchführung des Verfahrens besonders gut geeignet ist.The
Da bei Ausführung des Verfahrens die Kreuzungspunkte der Drähte bzw. Bänder ausgewählt werden können, um dort die Drahtwickelvorrichtung anzusetzen, ist es möglich, mit jedem Wickelvorgang mit derselben Drahtwickelvorrichtung zwei Drähte gleichzeitig zu erfassen und zu entfernen. Das Verfahren ist automatisierbar und daher besonders wirtschaftlich.Since, in carrying out the method, the crossing points of the wires or ribbons can be selected to set the wire winding device there, it is possible to simultaneously detect and remove two wires with each winding operation with the same wire winding device. The method can be automated and therefore particularly economical.
Das Verfahren und seine Vorteile werden erläutert an Hand von Zeichnungen, welche zeigen:
- Fig. 1
- schematisch in perspektivischer Darstellung: Die wesentlichen zur Durchführung des Verfahrens erforderlichen Elemente;
- Fig. 2 a - 2 c
- eine besonders geeignete Drahtwickelvorrichtung in drei Arbeitsstellungen;
- Fig. 3
- Teile der Drahtwickelvorrichtung aus Fig. 2 a bis 2 c;
- Fig. 4
- den Außenzylinder der Fig. 3 in Abwicklung.
- Fig. 1
- schematically in perspective: the essential elements required to carry out the method;
- Fig. 2 a - 2 c
- a particularly suitable wire winding device in three working positions;
- Fig. 3
- Parts of the wire winding device of Figure 2 a to 2 c.
- Fig. 4
- the outer cylinder of Fig. 3 in settlement.
An der Darstellung der Fig. 1 lassen sich die zur Durchführung des Verfahrens erforderlichen Schritte sehr einfach erläutern. Die technischen Elemente sind so dargestellt, dass Aufgabe und Funktion erklärt werden können. Konstruktive Details sind dieser Zeichnung nicht entnehmbar.The steps required to carry out the method can be explained very simply in the illustration of FIG. The technical elements are presented in such a way that task and function can be explained. Constructive details are not removable from this drawing.
Der gezeigte Ballen 1 ist so positioniert, dass an den senkrecht stehenden Seitenflächen nur etwa senkrechte Drähte vorhanden sind. Das bedeutet, dass in der hier gezeigten Lage die Schichtung des Ballens waagerecht und die Pressrichtung senkrecht ist. Er wird durch nicht gezeigte Fördereinrichtungen, z.B. Kettenförderer, Rollenbahnen oder Plattenbandförderer, in die Entdrahtungsstation transportiert und in eine Lage gebracht, bei der sich die Kreuzungspunkte 3 und 3' der Drähte 2 und 2' an der Oberseite des Ballens 1 befinden. Dann wird diese Oberseite durch die Ballenpositioniereinrichtung 4 (doppelte Hubeinheit) auf eine Höhe gebracht, über der ein Schwenkarm mit Teleskopiereinrichtung 6 und Drahtwickelvorrichtung 7 einschwenkt, um die Drähte zu entfernen. Mit Hilfe einer intelligenten Kamera 5, welche die Oberseite des Ballens 1 abtastet, werden die Lage der Drähte erfasst, die Kreuzungspunkte 3 und 3' ermittelt und die Koordinaten an die Maschinensteuerung 10 übermittelt. Über die Maschinensteuerung 10 erfolgt die Ansteuerung der Antriebe für die Schwenkeinrichtung 8 und die Teleskopiereinrichtung 6, die die Drahtwickelvorrichtung 7 zu den Kreuzungspunkten 3 und 3' hin bewegen. Außerdem wird die Position entsprechend den Höhenabweichungen der Ballenoberfläche von der idealen waagerechten Ebene korrigiert. Wird die in den Fig. 2 a - c, 3 und 4 dargestellte und später noch beschriebene Drahtwickelvorrichtung verwendet, erfolgt bei ihrer Positionierung eine Korrektur der Statorspitzenstellung entsprechend dem ausgeführten Schwenkwinkel der Schwenkeinrichtung 8, damit die durch die Drahtführungsschlitze 17 gebildeten Statorspitzen genau über den Sektoren stehen, die durch die Drähte am Kreuzungspunkt 3, 3' gebildet werden. Nach erfolgter Korrektur wird die Wickeleinheit auf den Ballen abgesenkt, bis die Statorspitzen auf der Ballenoberfläche aufliegen. Als Antriebe können Drehantriebe, Zahnstangenantriebe und/oder Hydraulikzylinder dienen, die mit Positionssensoren bestückt sind.The bale 1 shown is positioned so that only approximately vertical wires are present on the vertical side surfaces. This means that in the position shown here, the stratification of the bale is horizontal and the pressing direction is vertical. It is transported by unillustrated conveyors, eg chain conveyors, roller conveyors or apron conveyors, into the de-wireing station and brought into a position in which the points of
Gleichzeitig werden hier nur angedeutete - Schneidvorrichtungen 9 und 9', ebenfalls von der Maschinensteuerung 10 angesteuert, mittels Linearachsen, die mit einem Servoantrieb ausgerüstet sein können, in je eine Schnittposition gebracht, in der das Durchtrennen der Drähte 2 und 2' erfolgt. Die Schnittstellen des Drahtes werden so gewählt, dass beide Enden, vom Kreuzungspunkt 3 aus gesehen, annähernd gleich lang sind. Auch auf diese Weise lässt sich die Taktrate des Verfahrens erhöhen. Das Ansetzen der Schneidvorrichtungen an den Ballen kann durch druckgesteuerte Hydraulikzylinder vorgenommen werden.At the same time only indicated -
Auch wenn diese Fig. 1 nur eine einzige Drahtwickelvorrichtung 7 mit zugehörigem Schwenkarm und Teleskopiereinrichtung 6 zeigt, ist es von Vorteil, mehrere solcher vorzusehen. Am schnellsten arbeitet das Verfahren mit einer Entdrahtungsstation, bei der die Anzahl der Drahtwickelvorrichtungen ausreicht, um alle Drähte gleichzeitig erfassen zu können. Eine zweckmäßig programmierte Maschinensteuerung weist dann jeder Drahtwickelvorrichtung einen erreichbaren Kreuzungspunkt zu, so dass diese gleichzeitig arbeiten können. Für jede der Drahtwickelvorrichtungen ist dann eine Teilfläche des Ballens erreichbar. In der Regel enthalten solche Ballen ein bis vier Kreuzungspunkte auf einer Fläche. Dann ist zweckmäßigerweise beiderseits der Ballenpositioniereinrichtung 4 je ein solcher Schwenkarm mit Teleskopiereinrichtung 6 zu verwenden, wobei die beiden Schwenkeinrichtungen 8 diagonal gegenüberliegend anzuordnen wären.Although this Fig. 1 shows only a single wire winding device 7 with associated swivel arm and
Die Schneidvorrichtungen 9 und 9' können so montiert sein, dass sie zusammen mit dem Ballen 1 durch die Ballenpositioniereinrichtung 4 in der Vertikalen bewegt werden. Von welcher Seite her die Schneidvorrichtungen in Schnittposition gebracht werden, hängt von den räumlichen Gegebenheiten ab und eventuell von dem bereits erwähnten Wunsch, beim Schneiden möglichst gleich lange Enden bezüglich des Kreuzungspunktes zu erhalten. Üblicherweise wird man die Schneidvorrichtungen seitlich, also an den zur Ballen- Transportrichtung (Pfeil 11) parallelen Flächen, ansetzen. Die Flächen, die senkrecht zur Transportrichtung (Pfeil 11) stehen, sind aus maschinenbaulichen Gründen nicht so gut geeignet, weshalb zumeist für die nicht seitlich erfassbaren Drähte die Schneidvorrichtungen von-unten an den-Ballen herangeführt werden.The
Nach der Entfernung aller Drähte kann der Ballen 1 z.B. auf ein hier nicht gezeigtes Förderband abgesenkt und in Transportrichtung (Pfeil 11) aus der Entdrahtungsstation heraüsgefahren werden. Gleichzeitig folgt der neue noch verdrahtete Ballen.After removal of all wires, the bale 1 may be e.g. lowered onto a conveyor belt, not shown here, and pulled out of the wire stripping station in the transport direction (arrow 11). At the same time the new still wired bale follows.
Eine zur Durchführung des erfindungsgemäßen Verfahrens besonders gut geeignete Drahtwickelvorrichtung zeigen die Fig. 2 a bis 2 c. Diese enthält einen zentral angeordneten hohlzylindrischen Wickelrotor 12 mit mindestens zwei vom Arbeitsende des Hohlzylinders ausgehenden schraubenlinienförmigen, die Zylinderwand durchdringenden Schlitzen (hier nicht gezeichnet). Dieser Wickelrotor 12 wird von einem Stator15 umgeben, der mindestens zwei, vorzugsweise vier, ebenfalls von seinem Außenende ausgehende schraubenlinienförmige, gegenläufig zu den Schlitzen des Wickelrotors verlaufende Drahtführungsschlitze (hier nicht gezeichnet) aufweist. Der hohlzylindrische Wickelrotor 12 setzt sich in einer als Hohlwelle ausgebildeten Antriebswelle 13 fort. In dieser Hohlwelle befindet sich ein Drahtausstoßer 14. Fig. 2 a zeigt die Arbeitsstellung vor dem Wickeln, d.h. der Drahtausstoßer 14 befindet sich in der Grundstellung. Nach dem Drahterfassen entsteht durch die Drehung des Wickelrotors 12 ein Drahtcoil 16 im Stator 15, wie Fig. 2 b zeigt. Dabei kann der Abschwenkvorgang schon beginnen, bevor die Drähte vollständig aufgewickelt sind, wodurch Zeit gespart wird. Fig. 2 c zeigt den Drahtausstoßer 14 in der Endlage der Ausstoßposition, nachdem er durch einen - nicht gezeigten - Hydraulik- oder Pneumatikzylinder mit Verdrehsicherung bewegt, das Drahtcoil 16 ausgestoßen hat. Gleichzeitig mit dem Ausstoßvorgang erfolgt eine Drehbewegung des Wickelrotors 12 zur Verminderung der Reibung zwischen Drahtcoil 16 und Stator 15. Möglichkeiten zur Entfernung von gewickelten Drähten aus der Drahtwickelvorrichtung 7 sind an sich bekannt. Dabei ist zu unterscheiden, ob es sich um metallische Drähte oder um Kunststoffbänder handelt. Günstig ist bei Metalldrähten, relativ eng gewickelte coils zu bilden, die sich gut transportieren lassen. Sie sind als relativ sauberer Rohstoff ohne weiteres als verkaufsfähiges Produkt anzusehen, können also recycled werden.A particularly suitable for carrying out the method according to the invention wire winding device show the Fig. 2 a to 2 c. This contains a centrally arranged hollow
Eine ähnliche Drahtwickelvorrichtung ist aus der bereits erwähnten DE 28 21 336 C2 bekannt. Mit Vorteil ist die bekannte Vorrichtung so verbessert und dadurch auf das Verfahren abgestimmt, dass der Stator in einem bestimmten Winkelbereich, vorzugsweise ca. 30°, um seine Achse drehbar ist, um dadurch die am Ballen anliegenden Drähte oder Bänder abzuheben. Fig. 3 zeigt links einen Stator 15 sowie rechts davon den Wickelrotor 12 mit der Antriebswelle 13. Zur besseren Anschaulichkeit sind diese beiden Teile nicht in gebrauchsfähiger Anordnung, also nicht zusammengesteckt gezeichnet. Man erkennt die vorn liegenden schraubenlinienförmigen, die Zylinderwand durchdringenden Drahtführungsschlitze 17 im Stator 15. Auch der im hohlzylindrischen Wickelrotor 12 angebrachte vorn liegende Schlitz 18 ist eingezeichnet. Die Ausrichtung der Schlitze in diesen beiden Bauteilen ist gegenläufig, so dass durch Drehung des hohlzylindrischen Wickelrotors 12 innerhalb des Stators 15 die Drähte oder Bänder aufgewickelt werden können. Da der Stator 15 in einem begrenzten Winkelbereich drehbar ist und dadurch die Drähte vom Ballen in den Drahtführungsschlitz 17 einzieht, kann zwischen dem Arbeitsende des Wickelrotors 12 und des Stators 15 ein kleiner Abstand a von wenigen Millimetern vorgesehen sein. Auch das dient der Schonung der Ballen.A similar wire winding device is known from the already mentioned DE 28 21 336 C2. Advantageously, the known device is improved and thereby adapted to the process that the stator in a certain range of angles, preferably about 30 °, is rotatable about its axis, thereby to lift off the bales lying on the wires or bands. Fig. 3 shows left a
Die Abwicklung des Umfangs des Stators 15 gemäß Fig. 4 verdeutlicht, dass insgesamt vier Drahtführungsschlitze 17 vorhanden sind. Dabei kann z.B. im Bereich des Arbeitsendes ein Schlitzwinkel α gewählt werden, der flacher ist als der Winkel β im übrigen Bereich. Dadurch wird der Draht zunächst besonders leicht abgehoben und später beim eigentlichen Wickelvorgang sicher nach oben in den Schlitzgrund geführt. Der Drahtführungsschlitz 17 kann auch mit progressiver Steigung ausgeführt sein.The development of the circumference of the
Mit einer solchen Drahtwickelvorrichtung kann ein Drahtcoil 16 gebildet werden, ohne dass dabei die Oberfläche des Ballens nennenswert beschädigt wird. Wie später noch erklärt wird, ist eine solche Beschädigung, insbesondere bei hochwertigen Zellstoffballen, unerwünscht. Da die Drahtwickelvorrichtung 7 "punktgenau" zum Kreuzungspunkt geführt wird, ist diese Vorrichtung in der Lage, alle vier Drahtenden eines Kreuzungspunktes sicher zu fassen. Die Drehbeweglichkeit des Stators 15 kann relativ gering sein. Normalerweise wird er nach Abschluss des Wickelvorganges wieder in die Ausgangsstellung zurückgedreht.With such a wire winding device, a
Auch wenn das beschriebene Verfahren grundsätzlich für Ballen mit verschiedenen Rohstoffen, z.B. Altpapier, Zellstoff, Linters oder Baumwolle, anwendbar ist, entfaltet es seine Vorteile jedoch besonders bei der Entdrahtung von Zellstoffballen. Zunächst einmal sind handelsübliche Zellstoffballen beträchtlich kleiner als handelsübliche Altpapierballen. Zur selben Produktion müssen also mehr Zellstoffballen geöffnet werden, was zu einer höheren Anforderung an die erzielbare Taktrate führt. Nicht weniger wichtig ist aber, dass der relativ hochwertige und teure Zellstoff dort eingesetzt wird, wo besonders hohe Anforderungen an das erzeugte Papier gestellt werden. Es ist daher zu vermeiden, mit dem Schneiden und Aufwickeln der Ballendrähte die Außenlage der Ballen zu beschmutzen oder die Fasern zu beschädigen. Das erfindungsgemäße Verfahren dient in ganz besonderer Weise der Rohstoffschonung, da die Drahtwickelvorrichtungen und Schneidvorrichtungen gezielt an wenigen Stellen eingesetzt werden. Auch die Tatsache, dass Zellstoffballen normalerweise gleichmäßiger in ihrer Größe und Verdrahtungsform sind, kommt dem Ziel des Verfahrens entgegen, nämlich auf schnelle und einfache Weise die Drähte zu finden und zu entfernen.Although the method described is basically applicable to bales with various raw materials, eg waste paper, pulp, linters or cotton, it does, however, develop its advantages especially in the de-wiring of pulp bales. First of all, commercial pulp bales are considerably smaller than commercial waste paper bales. For the same production so more pulp bales must be opened, which leads to a higher demand on the achievable clock rate. No less important, however, is that the relatively high-quality and expensive pulp is used where particularly high demands are placed on the paper produced. It is therefore to be avoided by cutting and winding the bale wires to soil the outer layer of the bale or damage the fibers. The inventive method is used in a very special way of protecting raw materials, since the wire winding devices and cutting devices are used selectively in a few places. Also, the fact that pulp bales are normally more uniform in their size and wiring form is contrary to the goal of the process, namely to quickly and easily find and remove the wires.
Claims (15)
- Method for removing wires (2, 2') or tapes from compressed bales of raw material in which the wires (2, 2') or tapes are attached in such a manner that they form a crossing point (3, 3') on each of at least two opposite sides of the bale,- in which the bales are brought into the wire removal position by means of a bale positioning device (4),- the position of the wires is established automatically with the aid of a wire locator, and a wire coiling device (7) is positioned over the wire,- the wires or tapes are cut through and- are removed from the bales by at least one wire coiling device (7),characterised in that
the position of the crossing point (3, 3') is established automatically on at least one side of the bale and is passed to a machine control system (10) which moves a wire coiling device (7) to this crossing point (3). - Method as in claim 1,
characterised in that
the position of the crossing point (3, 3') is detected by an automatic camera (5) which scans the relevant side of the bale (1). - Method as in claim 1 or 2,
characterised in that
the wire coiling device (7) is attached to a telescopic apparatus (6), and is moved by this and by a swivel apparatus (8), under the control of the machine control system (10). - Method as in one of the preceding claims,
characterised in that
the positions of the crossing points (3, 3') are detected on the uppermost face of the bale (1). - Method as in one of the preceding claims,
characterised in that
the wires (2, 2') or tapes are cut through by means of cutting devices (9, 9'), the cutting position of which is approached automatically as a function of the established position of the crossing points (3, 3'). - Method as in claim 5,
characterised in that
the cutting position is placed in such a way that, starting from from the winding point predetermined by the machine control system (10), the length of the wires or tapes is approximately equal. - Method as in one of the preceding claims,
characterised in that
two wire coiling devices (7) are used, and in that these are moved into position in such a way that the outer face of the bale on which they are positioned is divided into two part-faces, each of which can be reached by only one of the wire coiling devices. - Method as in one of claims 5 to 7,
characterised in that
at least one cutting device (9) is applied to the side face and at least one cutting device (9') is applied underneath the bale (1) that has been brought into position. - Use of the method as in one of the preceding claims for the removal of wires from bales of cellulose material.
- Wire coiling device for carrying out the method as in one of the preceding claims, in particular for winding and removing bale wires that cross each other and that have been cut through,
having a centrally positioned coiling rotor (12) in the form of a hollow cylinder, which rotor has at least two helical slots (18) passing through the wall of the cylinder and starting from the operating end of the coiling rotor (12), and has a stator (15) that surrounds this coiling rotor (12)
which stator has at least two helical wire guide slots (17) which likewise start from its operating end and run in the opposite direction to the slots of the coiling rotor (12),
wherein the coiling rotor (12) carries on to form a drive shaft (13) in the form of a hollow shaft, in which drive shaft there is a wire ejector (14),
characterised in that
the stator (15) has at least four wire guide slots (17) which are distributed evenly around its periphery, and is able to execute a rotary movement relative to the bale (1) of at least 10° and at most 99°, preferably between 10 and 60°, and
in that this rotary movement is to be executed in the opposite direction to the rotary movement of the coiling rotor (12). - Wire coiling device as in claim 10,
characterised in that
the stator (15) has precisely four wire guide slots (17). - Wire coiling device as in claim 10 or 11,
characterised in that the wire guide slots (17) have an angle α in the area of the wire pickup which is shallower than the angle β in the remaining area of the slot. - Wire coiling device as in claim 10 or 11,
characterised in that
the wire guide slots (17) have a progressively ascending gradient when viewed from the wire pickup side. - Wire coiling device as in claim 10, 11,12 or 13,
characterised in that
the wire guide slots (17) are rounded off. - Wire coiling device as in claim 10, 11, 12, 13 or 14,
characterised in that
the slots (18) of the coiling rotor (12) are not rounded off.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10244382A DE10244382B3 (en) | 2002-09-24 | 2002-09-24 | Process for removing wires or strips from pressed raw material bales and wire winding device for carrying out the process |
DE10244382 | 2002-09-24 | ||
PCT/EP2003/009324 WO2004028906A1 (en) | 2002-09-24 | 2003-08-22 | Method for removing wires or tapes from pressed bales of raw material, and wire coiling device for carrying out said method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1545981A1 EP1545981A1 (en) | 2005-06-29 |
EP1545981B1 true EP1545981B1 (en) | 2006-06-28 |
Family
ID=31984009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03798121A Expired - Lifetime EP1545981B1 (en) | 2002-09-24 | 2003-08-22 | Method for removing wires or tapes from pressed bales of raw material, and wire coiling device for carrying out said method |
Country Status (15)
Country | Link |
---|---|
US (1) | US7152634B2 (en) |
EP (1) | EP1545981B1 (en) |
JP (1) | JP4308767B2 (en) |
KR (1) | KR101099929B1 (en) |
CN (1) | CN100526166C (en) |
AT (1) | ATE331667T1 (en) |
AU (1) | AU2003260450B2 (en) |
CA (1) | CA2500102A1 (en) |
DE (2) | DE10244382B3 (en) |
DK (1) | DK1545981T3 (en) |
ES (1) | ES2266910T3 (en) |
PL (1) | PL209354B1 (en) |
PT (1) | PT1545981E (en) |
RU (1) | RU2318709C2 (en) |
WO (1) | WO2004028906A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8160748B2 (en) * | 2008-02-26 | 2012-04-17 | Automatic Handling International | Method and apparatus for removing wires from a bale |
SE532648C2 (en) * | 2008-07-04 | 2010-03-09 | Metso Paper Inc | Cutting unit in a device for cutting and removing binder yarns from bales and a device comprising such cutting unit |
SE532647C2 (en) * | 2008-07-04 | 2010-03-09 | Metso Paper Inc | Apparatus for cutting and removing binder threads from bales |
CN101792035B (en) * | 2009-11-27 | 2011-11-09 | 东方机器制造(昆明)有限公司 | Automatic case unpacking machine |
CN102060119A (en) * | 2010-12-17 | 2011-05-18 | 长沙长泰机械股份有限公司 | Automatic iron wire shearing and drawing machine |
US9560808B2 (en) | 2011-04-19 | 2017-02-07 | Cnh Industrial America Llc | System for controlling bale forming and wrapping operations |
DE102011017770A1 (en) * | 2011-04-29 | 2012-10-31 | Voith Patent Gmbh | Ball Wire Cutter |
AT515162B1 (en) * | 2013-11-21 | 2016-08-15 | Cts Gmbh Competence For Technical Solutions | Robotic tool for the automated removal of packaging envelopes |
FI125241B (en) * | 2013-12-23 | 2015-07-31 | Cross Wrap Oy | Device for opening the bale |
CN106003790B (en) * | 2016-07-11 | 2017-10-10 | 济南大学 | A kind of device of extrusion dehydration binding packing Enteromorpha |
KR101866231B1 (en) | 2018-01-08 | 2018-06-12 | 선진기술 주식회사 | Wire eliminating device using coiling |
CN108146755B (en) * | 2018-02-13 | 2024-03-12 | 江门市博道工业自动化设备有限公司 | Automatic bale breaking equipment for bale cables |
TWI637893B (en) * | 2018-03-14 | 2018-10-11 | 矽品精密工業股份有限公司 | Tape punching apparatus and tape punching method |
CN110422417A (en) * | 2019-08-02 | 2019-11-08 | 广东科达洁能股份有限公司 | A kind of strapping removal device |
EP3795483A1 (en) * | 2019-09-19 | 2021-03-24 | Primetals Technologies Germany GmbH | Automated removal of binding strips from a coil |
CN114313508A (en) * | 2020-10-10 | 2022-04-12 | 太原科技大学 | Automatic efficient rod binding wire disassembling robot system |
DE102023133348A1 (en) | 2022-11-30 | 2024-06-06 | Voith Patent Gmbh | Device and arrangement and method for moving bales |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2821336C2 (en) * | 1978-05-16 | 1980-07-31 | B+G-Foerdertechnik Gmbh, 5350 Euskirchen | Winding head |
NL8601747A (en) | 1986-07-04 | 1988-02-01 | Speciaalmachinefabriek J H Van | DEVICE FOR REMOVING THE BELT FROM A LOADED PALLET. |
SE454978B (en) * | 1986-09-15 | 1988-06-13 | Trancel Conveying Systems Ab | Removing wires or straps from packages |
CA1313991C (en) * | 1987-12-01 | 1993-03-02 | New Brunswick Research And Productivity Council | Dewiring tool |
IT1252418B (en) | 1991-07-11 | 1995-06-14 | Gd Spa | EQUIPMENT FOR CUTTING THE CONTAINMENT CORDS OF PRODUCTS TRANSPORTED ON PALLET SUPPORTS |
SE9601997D0 (en) * | 1996-05-24 | 1996-05-24 | Sunco Tech Ab | Avtrådningsanordning |
EP0976657A1 (en) * | 1998-07-20 | 2000-02-02 | R S T Roboter-System-Technik GmbH | Arrangement for removing the binding element from a staple of goods, in particular of bottle crates |
-
2002
- 2002-09-24 DE DE10244382A patent/DE10244382B3/en not_active Expired - Fee Related
-
2003
- 2003-08-22 EP EP03798121A patent/EP1545981B1/en not_active Expired - Lifetime
- 2003-08-22 RU RU2005112212/11A patent/RU2318709C2/en not_active IP Right Cessation
- 2003-08-22 DE DE50304081T patent/DE50304081D1/en not_active Expired - Lifetime
- 2003-08-22 ES ES03798121T patent/ES2266910T3/en not_active Expired - Lifetime
- 2003-08-22 PT PT03798121T patent/PT1545981E/en unknown
- 2003-08-22 CN CNB038225069A patent/CN100526166C/en not_active Expired - Fee Related
- 2003-08-22 JP JP2004538828A patent/JP4308767B2/en not_active Expired - Fee Related
- 2003-08-22 PL PL374173A patent/PL209354B1/en not_active IP Right Cessation
- 2003-08-22 DK DK03798121T patent/DK1545981T3/en active
- 2003-08-22 KR KR1020057005046A patent/KR101099929B1/en not_active IP Right Cessation
- 2003-08-22 AU AU2003260450A patent/AU2003260450B2/en not_active Ceased
- 2003-08-22 AT AT03798121T patent/ATE331667T1/en active
- 2003-08-22 WO PCT/EP2003/009324 patent/WO2004028906A1/en active IP Right Grant
- 2003-08-22 CA CA002500102A patent/CA2500102A1/en not_active Abandoned
-
2005
- 2005-03-23 US US11/086,437 patent/US7152634B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050199310A1 (en) | 2005-09-15 |
AU2003260450A1 (en) | 2004-04-19 |
WO2004028906A1 (en) | 2004-04-08 |
US7152634B2 (en) | 2006-12-26 |
CN100526166C (en) | 2009-08-12 |
RU2005112212A (en) | 2005-09-20 |
ES2266910T3 (en) | 2007-03-01 |
DE10244382B3 (en) | 2004-04-08 |
DK1545981T3 (en) | 2006-10-02 |
DE50304081D1 (en) | 2006-08-10 |
AU2003260450B2 (en) | 2009-06-11 |
KR101099929B1 (en) | 2011-12-28 |
ATE331667T1 (en) | 2006-07-15 |
KR20050065551A (en) | 2005-06-29 |
PL209354B1 (en) | 2011-08-31 |
EP1545981A1 (en) | 2005-06-29 |
PT1545981E (en) | 2006-10-31 |
JP4308767B2 (en) | 2009-08-05 |
CA2500102A1 (en) | 2004-04-08 |
PL374173A1 (en) | 2005-10-03 |
JP2006500293A (en) | 2006-01-05 |
RU2318709C2 (en) | 2008-03-10 |
CN1684873A (en) | 2005-10-19 |
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