EP3070008A1 - Wrapping device and its working method - Google Patents
Wrapping device and its working method Download PDFInfo
- Publication number
- EP3070008A1 EP3070008A1 EP16000506.2A EP16000506A EP3070008A1 EP 3070008 A1 EP3070008 A1 EP 3070008A1 EP 16000506 A EP16000506 A EP 16000506A EP 3070008 A1 EP3070008 A1 EP 3070008A1
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- European Patent Office
- Prior art keywords
- unwinder
- movement system
- orbit
- wrapped
- movement
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
- B65B11/025—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders by webs revolving around stationary articles
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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
- B65B25/00—Packaging other articles presenting special problems
- B65B25/24—Packaging annular articles, e.g. tyres
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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
- B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
- B65B27/06—Bundling coils of wire or like annular objects
Definitions
- the invention relates to a wrapping apparatus and its working method according to the preambles of claims 1 and 10.
- a known wrapping device DE 699 01 667 T2 Fig. 1 comprises an oval guide of a reel of a film web from a film roll to be unwound, whereby it is necessary to be able to control the unwinder through the opening for wrapping bodies with through openings, such as tires or rolls of metal strips, so-called coils; what the known leadership must be divided into two, to be passed through the opening in the body to be wrapped can.
- a disadvantage of this known wrapping is not only the considerable mechanical engineering effort to produce a divisible guide for an unwinder, but also the low flexibility of the wrapping process executable thereby, as this leads, for example, in very flat products to a much shorter distance, the role per revolution must be covered, which then no longer ensures that the tension in the packaging material can be maintained, so that it can break down causing the packaging material uncontrolled and tensionless, creating wrinkles and pockets on the body to be wrapped.
- the object of the invention is to provide a wrapping apparatus and a work method that can be carried out with it, which require a considerably lower construction and operating costs, but allow a great variability and flexibility in wrapping bodies of arbitrary dimensions and different proportions.
- a freely selectable orbit of a stripper of a film web from a roll of film to be unwound around a body to be wrapped or through an opening in such a body to be wrapped, such as annular products such as tires or coils, can be achieved, since the guidance of a Unwinder is provided via a connected process computer.
- the new wrapping device makes it possible to individually adapt the movement of a unwinder to the optimum orbit around a body to be wrapped, as well as the possibility of being able to control the unwinder directly through an opening in the body to be wrapped.
- each movement system has a controllable holding device for a holding flange of the unwinder and the unwinder has two separate holding flanges and the wrapping device has a process computer with which the guide the unwinder can be generated along a freely determinable orbit and the unwinder after a partial circulation of its orbit of a movement system to the next movement system can be transferred to a further partial circulation and with all movement systems a full circulation on the orbit can be generated, an orbit can be selected, the Product contour is optimally adapted, so that even very wide and very thin products can be wrapped without a roll of film would have to cover unnecessarily long circulation paths or breaks the tension in the film web.
- the inventive wrapping device there are no restrictions on the product geometry, since the orbit can be optimally adapted to them, as well as the total structural dimensions of the wrapping are very low, without additional structural measures would be necessary for particularly wide or flat product geometries. Furthermore, due to the automatic holding devices, a change of the film roll can be easily automated. This device thus has an optimized travel path around the product contour and requires only a low energy consumption with reduced processing times under assuring consistent winding material tension. Further, the inventive wrapping apparatus allows the unwinder to be controlled with the film roll through relatively small openings in bodies to be wrapped or wrapped.
- a movement system consists of at least two intersecting, relatively movable uniaxial linear systems, which are arranged approximately on a cross-table-like connecting component at a right angle or at adjustable angles, so that the holding devices on the two linear systems in Two directions can move within a plane, which allows the freely selectable orbit.
- a movement system can also consist of a multi-axis robotic arm and different movement systems can simultaneously be used in a wrapping device, just as various wrapping devices with different holding, gripping or coupling devices can be equipped with the adapted holding or coupling flanges, so that a total of several Kinematics and an optional division of the travel paths is possible.
- the holding devices, the retaining flanges and the unwinder have only such large external dimensions that they still sou mortbar through narrow openings of a body to be wrapped and the transfer along a transfer path 'xÜ' in, front and / or behind an opening of a body to be wrapped is feasible.
- the inventive wrapping device can be advantageously extended with further device for moving the unwinder in other spatial directions, such as in each vertical Z-direction of the Y-pillars to the two main directions of movement, to which then the rotation of the uniaxial linear systems can be added to their own longitudinal axes.
- At least one movement system can be controlled in a change position of the unwinder for receiving a new film roll, whereby a film change is much faster and safer to carry out.
- the wrapping apparatus shown by way of example here consists of two separate movement systems 7, each formed by two crosswise arranged uniaxial linear systems 10, 11, each of which a first linear system 10 acts as a vertical column stand in a vertical Y-direction and a second linear system 11 in horizontal X-direction is arranged movably thereto and wherein both movement systems 7 are arranged on both sides of a body to be wrapped 5; 6.
- the mutually facing end faces of the horizontal linear systems 11 are equipped with holding devices 8, which in turn correspond to retaining flanges 9 of the unwinder 1, so that it can be moved along a guide generated by a connected process computer along a freely selectable orbit 4 and for a film web 2 to be unwound film roll 3 a constant pull-off voltage can be ensured during the entire wrapping process, without the risk that a part of the film web can only create uncontrolled and stress-free to the body 5, 6 to be wrapped.
- an unwinder 1 is moved during a continuous unwinding of a film web 4 of a film roll 3 along a first partial orbit around a body 5, 6 to be wrapped and at the end of the first partial circulation path to a second movement system , shown on the right in the figures, which moves the unwinder 1 along a second partial orbit further around the body 5; 6 to be wrapped, while the first movement system 7 moves back around the body 5, 6 to be wrapped or the second movement system 7 towards the end meets its second partial orbit and takes over there the unwinding 1, whereupon the second movement system approaches the wrapping body 5 back and the first movement system towards the end of the first partial orbit again, the unwinder 1 takes over again, after which the working procedure is repeated.
- the transfer takes place along a transfer area 'xÜ' by an automatic coupling of the receiving holding device 8 to the respective retaining flange 9 of the unwinder 1 and only a subsequent uncoupling of the other holding device 8 of the corresponding retaining flange 9 with continuously moving unwinder 1, so a Switzerlandêtsmann in the film web 2 can be safely excluded.
- the movement systems 7 can be steered around arbitrarily shaped bodies 6 or else through bodies 5 provided with eyes or openings 12, wherein a transfer of the unwinder 1 can also take place within or also behind and / or behind an opening 12.
- the movement speed vR of the respective free movement system 7 counter to the circumferential direction of the unwinder 1 on the orbit 4 or along a free return path is at only two movement systems 7 at least until shortly before the mutual contact of the holding devices 8 of the linear system 11 with the retaining flange 9 of the unwinder 1 clearly higher than the peripheral speed vU of the unwinder 1, wherein the transfer in a transfer area xÜ in each case above and below a body 5 or within and below a body 6 sets.
- the unwinder 1 changes its braking torque proportionally to the amount of film material on the film roll 3, since with a constant braking torque the tension would undesirably increase due to the decreasing radius of the film roll 3 during unwinding.
- the return speed vR and also the return path can be freely selected.
- the movement systems 7 can be equipped with additional degrees of freedom in the Z direction perpendicular to the X and Y directions or perpendicular to the plane of the sheet, as well as the rectangular linear systems 10, 11 can be pivoted manually or by motor via the rotation angles ⁇ 1 and ⁇ 2 the linear systems 10, 11 can themselves be configured to be rotatable manually about their vertical axes ⁇ 1 and ⁇ 2.
- the method is such that the first movement system 7 with an unwinder 1 held thereon during a continuous unwinding of a film web 2 from a film roll 3 to be unwound along a first partial circulation path around a body 5 to be wrapped 6 moves and at the end of the first partial orbit passes to another movement system 7, which continues to the unwinder 1 along another Operaumlaufbahn around the wrapped body 5; 6, while the first movement system 7 moves back to the body to be wrapped 5; 6 and a last movement system 7, in two movement systems the second, at four the fourth, comes to the end of his last partial orbit and then takes the unwinder 1 again, the respectively previously in operation movement system 7 after delivery of the unwinder 1 to its partial orbit another way to wrap that up the body 5; 6 moves back and the respective previous movement system 7 comes to the end of its partial orbit and the unwinder 1 takes over, so that this travels around a closed orbit 4 after passing through all partial orbits of all movement systems.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
Es wird eine Einwickelvorrichtung mit einer Führung eines Abwicklers (1) einer Folienbahn (2) von einer abzuwickelnden Folienrolle (3) entlang einer Umlaufbahn (4) um einen zu umwickelnden Körper (5;6) sowie ein damit durchführbares Arbeitsverfahren zur Verfügung gestellt, die einen erheblich geringeren Bau- und Betriebsaufwand erfordern, aber eine große Variabilität beim Einwickeln von Körpern beliebiger Abmessungen und Größenverhältnisse aufweisen, was dadurch erzielt wird, dass die Führung von mindestens zwei separaten, einen Abwickler (1) jeweils mindestens in zwei Richtungen (x;y) bewegen könnenden Bewegungssystemen (7) gebildet ist, jedes eine ansteuerbare Haltevorrichtung (8) für einen Halteflansch (9) des Abwicklers (1) aufweist, der zwei separate Halteflansche (9) besitzt, die Einwickelvorrichtung einen Prozessrechner aufweist, mit dem die Führung des Abwicklers (1) entlang einer frei bestimmbaren Umlaufbahn (4) erzeugbar ist und er nach einem Teilumlauf von einem Bewegungssystem (7) an das nächste Bewegungssystem (7) übergebbar ist, sodass mit den Bewegungssystemen (7) ein Vollumlauf auf der Umlaufbahn (4) erzeugbar ist.There is provided a wrapping apparatus with a guide of an unwinder (1) of a film web (2) of a film roll (3) to be unwound along an orbit (4) about a body (5; 6) to be wrapped, and a working method practicable therewith require a significantly lower construction and operating costs, but have a large variability in wrapping bodies of arbitrary dimensions and proportions, which is achieved in that the leadership of at least two separate, an unwinder (1) in each case at least in two directions (x; y Moving systems (7) is formed, each having a controllable holding device (8) for a retaining flange (9) of the unwinder (1) having two separate retaining flanges (9), the wrapping device comprises a process computer, with the leadership of the Abwicklers (1) along a freely determinable orbit (4) can be generated and he after a partial circulation of a Movement system (7) to the next movement system (7) can be transferred, so that with the movement systems (7) a full circulation on the orbit (4) can be generated.
Description
Die Erfindung betrifft eine Einwickelvorrichtung und deren Arbeitsverfahren gemäß den Oberbegriffen der Ansprüche 1 und 10.The invention relates to a wrapping apparatus and its working method according to the preambles of
Um Produkte z.B. aus der Metall-, Kunststoff-, Holz- oder Reifenindustrie vor Beschädigung während des Transports und der Lagerung zu schützen, werden diese am Ende einer Fertigungsstraße mit Verpackungsmaterialen wie Folien, Vliesstoffen, Krepppapier oder korrosionsvorbeugenden Materialien eingewickelt. Um den Einwickelvorgang wirtschaftlich zu gestalten, werden hierzu Einwickelmaschinen eingesetzt. Eine bekannte Einwickelvorrichtung,
Nachteilig an dieser bekannten Einwickelvorrichtung ist nicht nur der erhebliche maschinentechnische Aufwand zur Erzeugung einer teilbaren Führung für einen Abwickler, sondern ebenfalls die geringe Flexibilität des damit ausführbaren Einwickelverfahrens, da dies beispielsweise bei sehr flachen Produkten zu einer deutlich kürzeren Strecke führt, die die Rolle pro Umdrehung zurücklegen muss, wodurch dann nicht mehr gewährleistet ist, dass die Zugspannung im Verpackungsmaterial aufrechterhalten werden kann, sodass diese einbrechen kann woraufhin sich das Verpackungsmaterial unkontrolliert und spannungslos unter Bildung von Falten und Taschen an den einzuwickelnden Körper anlegen muss.A disadvantage of this known wrapping is not only the considerable mechanical engineering effort to produce a divisible guide for an unwinder, but also the low flexibility of the wrapping process executable thereby, as this leads, for example, in very flat products to a much shorter distance, the role per revolution must be covered, which then no longer ensures that the tension in the packaging material can be maintained, so that it can break down causing the packaging material uncontrolled and tensionless, creating wrinkles and pockets on the body to be wrapped.
Aufgabe der Erfindung ist es, eine Einwickelvorrichtung und ein damit durchführbares Arbeitsverfahren zur Verfügung zu stellen, die einen erheblich geringeren Bau- und Betriebsaufwand erfordern, aber eine große Variabilität und Flexibilität beim Einwickeln von Körpern beliebiger Abmessungen und unterschiedlichster Größenverhältnisse ermöglichen.The object of the invention is to provide a wrapping apparatus and a work method that can be carried out with it, which require a considerably lower construction and operating costs, but allow a great variability and flexibility in wrapping bodies of arbitrary dimensions and different proportions.
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den Merkmalen der Oberbegriffe im Zusammenhang mit den technischen Merkmalen der kennzeichnenden Teile der Patentansprüche 1 und 10.The solution of this object is achieved according to the invention with the features of the preambles in connection with the technical features of the characterizing parts of
Mit der erfinderischen Einwickelvorrichtung lässt sich eine frei wählbare Umlaufbahn eines Abwicklers einer Folienbahn von einer abzuwickelnden Folienrolle um einen einzuwickelnden Körper herum oder durch eine Öffnung in einem solchen zu umwickelnden Körpers hindurch, wie etwa ringförmige Produkte wie Reifen oder Coils, ermöglichen, da die Führung eines Abwicklers über einen angeschlossene Prozessrechner zur Verfügung gestellt wird. Die neue Einwickelvorrichtung ermöglicht es, die Bewegung eines Abwicklers individuell der optimalen Umlaufbahn um einen zu umwickelnden Körper anzupassen, ebenso wie die Möglichkeit besteht, den Abwickler auch direkt durch eine Öffnung im einzuwickelnden Körper hindurchsteuern zu können.With the inventive wrapping apparatus, a freely selectable orbit of a stripper of a film web from a roll of film to be unwound around a body to be wrapped or through an opening in such a body to be wrapped, such as annular products such as tires or coils, can be achieved, since the guidance of a Unwinder is provided via a connected process computer. The new wrapping device makes it possible to individually adapt the movement of a unwinder to the optimum orbit around a body to be wrapped, as well as the possibility of being able to control the unwinder directly through an opening in the body to be wrapped.
Dadurch, dass die Führung von mindestens zwei separaten, einen Abwickler jeweils mindestens in zwei Richtungen (x;y) innerhalb einer Ebene bewegen könnenden Bewegungssystemen gebildet ist, jedes Bewegungssystem eine ansteuerbare Haltevorrichtung für einen Halteflansch des Abwicklers aufweist und der Abwickler zwei separate Halteflansche besitzt und die Einwickelvorrichtung einen Prozessrechner aufweist, mit dem die Führung des Abwicklers entlang einer frei bestimmbaren Umlaufbahn erzeugbar ist und der Abwickler nach einem Teilumlauf seiner Umlaufbahn von einem Bewegungssystem an das nächste Bewegungssystem zu einem weiteren Teilumlauf übergebbar ist und mit allen Bewegungssystemen ein Vollumlauf auf der Umlaufbahn erzeugbar ist, lässt sich eine Umlaufbahn wählen, die der Produktkontur optimal angepasst ist, sodass auch sehr breite und sehr dünne Produkte eingewickelt werden können, ohne dass eine Folienrolle unnötig lange Umlaufwege zurücklegen müsste oder die Zugspannung in der Folienbahn einbricht.By virtue of the fact that the guidance of at least two separate movement systems, which move at least in two directions (x; y) within one plane, is formed, each movement system has a controllable holding device for a holding flange of the unwinder and the unwinder has two separate holding flanges and the wrapping device has a process computer with which the guide the unwinder can be generated along a freely determinable orbit and the unwinder after a partial circulation of its orbit of a movement system to the next movement system can be transferred to a further partial circulation and with all movement systems a full circulation on the orbit can be generated, an orbit can be selected, the Product contour is optimally adapted, so that even very wide and very thin products can be wrapped without a roll of film would have to cover unnecessarily long circulation paths or breaks the tension in the film web.
Zudem fällt eine als gegenständliche Laufbahn ausgebildete Führung eines Abwicklers vollständig weg, sodass dieser frei und auch durch Öffnungen in einem einzuwickelnden Körper hindurchgesteuert werden kann.In addition, as an objective career formed leadership of a liquidator falls completely away, so that it can be freely controlled and through openings in a body to be wrapped.
Bei der erfinderischen Einwickelvorrichtung bestehen deswegen keine Einschränkungen hinsichtlich der Produktgeometrie, da sich die Umlaufbahn optimal an diese anpassen lässt, ebenso wie insgesamt die baulichen Abmessungen der Einwickelvorrichtung sehr gering sind, ohne dass für besonders breite oder flache Produktgeometrien zusätzliche bauliche Maßnahmen notwendig wären. Weiterhin lässt sich aufgrund der automatischen Haltevorrichtungen auch ein Wechsel der Folienrolle einfach automatisieren. Diese Vorrichtung besitzt also einen optimierten Verfahrweg um die Produktkontur und benötigt dabei nur einen geringen Energieverbrauch bei reduzierten Verarbeitungszeiten unter sichergestellter gleichbleibender Wickelmaterialspannung. Weiterhin ermöglicht die erfinderische Einwickelvorrichtung das Steuern des Abwicklers mit der Folienrolle durch relativ kleine Öffnungen in ein- oder zu umwickelnden Körpern.Therefore, in the inventive wrapping device, there are no restrictions on the product geometry, since the orbit can be optimally adapted to them, as well as the total structural dimensions of the wrapping are very low, without additional structural measures would be necessary for particularly wide or flat product geometries. Furthermore, due to the automatic holding devices, a change of the film roll can be easily automated. This device thus has an optimized travel path around the product contour and requires only a low energy consumption with reduced processing times under assuring consistent winding material tension. Further, the inventive wrapping apparatus allows the unwinder to be controlled with the film roll through relatively small openings in bodies to be wrapped or wrapped.
Weitere vorteilhafte Ausgestaltungen des Gegenstandes der Erfindung ergeben sich mit und in Kombination aus den nachfolgenden Unteransprüchen. Gemäß einer besonders bevorzugten Ausführungsform der Erfindung besteht ein Bewegungssystem aus mindestens zwei sich kreuzenden, relativ zueinander bewegbaren einachsigen Linearsystemen, wobei diese etwa auf einem kreuztischartigen Verbindungsbauteil unter einem rechten Winkel oder auch unter verstellbaren Winkeln angeordnet sind, sodass sich die Haltevorrichtungen an den beiden Linearsystemen in zwei Richtungen innerhalb einer Ebene bewegen können, wodurch die frei wählbare Umlaufbahn ermöglicht wird.Further advantageous embodiments of the subject of the invention will become apparent with and in combination from the following subclaims. According to a particularly preferred embodiment of the invention, a movement system consists of at least two intersecting, relatively movable uniaxial linear systems, which are arranged approximately on a cross-table-like connecting component at a right angle or at adjustable angles, so that the holding devices on the two linear systems in Two directions can move within a plane, which allows the freely selectable orbit.
Vorteilhaft kann ein Bewegungssystem auch aus einem mehrachsigen Roboterarm bestehen und können auch gleichzeitig unterschiedliche Bewegungssysteme bei einer Einwickelvorrichtung zum Einsatz kommen, ebenso wie verschiedenen Einwickelvorrichtungen mit unterschiedlichen Halte-, Greif- oder Kupplungsvorrichtungen mit den angepassten Halte- oder Kupplungsflanschen ausgestattet sein können, sodass insgesamt mehrere Kinematiken und eine wahlfreie Aufteilung der Verfahrwege möglich ist.Advantageously, a movement system can also consist of a multi-axis robotic arm and different movement systems can simultaneously be used in a wrapping device, just as various wrapping devices with different holding, gripping or coupling devices can be equipped with the adapted holding or coupling flanges, so that a total of several Kinematics and an optional division of the travel paths is possible.
Bei einer vorteilhaften Anordnung von zwei Bewegungssystemen beidseitig eines einzuwickelnden Körpers und einer Ausführungsform eines ersten Linearsystems als vertikale Ständersäulen mit in senkrechter Y-Richtung verstellbaren zweiten, in horizontaler X-Richtung daran verfahrbaren Linearsystems mit endseitiger Haltevorrichtung für einen Abwickler, lässt sich ein Bewegungsablauf eines Arbeitsverfahrens verwirklichen, mit dem ein Abwickler einer Folienbahn abwechselnd von einem Bewegungssystem an das andere Bewegungssystem übergeben werden kann, welche jeweils eine Teilumlaufbahn einer abzuwickelnden Folienrolle um einen zu umwickelnden Körper umlaufen, um nach Übergabe des Abwicklers entgegen der Umlaufrichtung des Abwicklers diesem auf der anderen Seite des zu umwickelnden Körpers wieder entgegenzukommen und wieder daran anzukuppeln, sodass nach dem Lösen des jeweils vorherigen Bewegungssystems dieses ebenfalls den einzuwickelnden Körper in entgegengesetzter Richtung umfährt, um den Abwickler auf der entgegengesetzten Seite wieder zu übernehmen.In an advantageous arrangement of two movement systems on both sides of a body to be wrapped and an embodiment of a first linear system as a vertical column columns with adjustable in the Y direction second, in the horizontal X-direction movable linear system with end-side holding device for a developer, can be a movement of a working process realize, with a Abwickler a film web can be alternately transferred from a movement system to the other movement system, each circulating a Teilumlaufbahn a unwinding film roll to be wrapped around a body after passing the unwinder against the direction of rotation of the unwinder this on the other side of the To meet again to umwindelnden body and to be coupled again, so after releasing the previous movement system this also bypasses the body to be wrapped in the opposite direction to take over the unwinder on the opposite side again.
Besonders bevorzugt ist hier eine Ausführungsform, bei der die Haltevorrichtungen, die Halteflansche und der Abwickler nur so große Außenabmessungen aufweisen, dass sie noch durch enge Öffnungen eines einzuwickelnden Körpers hindurchsteuerbar und die Übergabe entlang eines Übergabeweges 'xÜ' in, vor- und/ oder hinter einer Öffnung eines einzuwickelnden Körpers durchführbar ist.Particularly preferred here is an embodiment in which the holding devices, the retaining flanges and the unwinder have only such large external dimensions that they still durchsteuerbar through narrow openings of a body to be wrapped and the transfer along a transfer path 'xÜ' in, front and / or behind an opening of a body to be wrapped is feasible.
Die erfinderische Einwickelvorrichtung lässt sich vorteilhafterweise mit weiteren Vorrichtung zur Bewegung des Abwicklers auch in weitere Raumrichtungen erweitern, etwa in jeweils senkrechter Z-Richtung der Y-Säulen zu den beiden Hauptbewegungsrichtungen, wozu dann noch die Drehung der einachsigen Linearsysteme um ihre eigenen Längsachsen hinzukommen kann.The inventive wrapping device can be advantageously extended with further device for moving the unwinder in other spatial directions, such as in each vertical Z-direction of the Y-pillars to the two main directions of movement, to which then the rotation of the uniaxial linear systems can be added to their own longitudinal axes.
Bevorzugterweise lässt sich mindestens ein Bewegungssystem in eine Wechselposition des Abwicklers zur Aufnahme einer neuen Folienrolle steuern, wodurch ein Folienwechsel wesentlich schneller und sicherer durchführbar ist.Preferably, at least one movement system can be controlled in a change position of the unwinder for receiving a new film roll, whereby a film change is much faster and safer to carry out.
Nachfolgend werden die Einwickelvorrichtung und das Arbeitsverfahren anhand von Figuren näher beschrieben. Es zeigen:
- Fig. 1
- eine Skizze einer Einwickelvorrichtung beim Einwickeln eines Coils,
- Fig. 2
- die Einwickelvorrichtung gemäß
Fig. 1 beim Einwickeln eines flachen Körpers in einem zweiten Verfahrenszustand, und - Fig. 3
- die Einwickelvorrichtung gemäß
Fig. 2 in einem dritten Verfahrenszustand.
- Fig. 1
- a sketch of a wrapping device when wrapping a coil,
- Fig. 2
- the wrapping device according to
Fig. 1 when wrapping a flat body in a second process state, and - Fig. 3
- the wrapping device according to
Fig. 2 in a third process state.
Die beispielhaft dargestellte Einwickelvorrichtung besteht hier aus zwei separaten Bewegungssystemen 7, die jeweils von zwei kreuzweise angeordneten einachsigen Linearsystemen 10;11 gebildet sind, von denen jeweils ein erstes Linearsystem 10 als vertikale Ständersäule in einer senkrechten Y-Richtung fungiert und ein zweites Linearsystem 11 in horizontaler X-Richtung verfahrbar daran angeordnet ist und wobei beide Bewegungssysteme 7 beidseitig eines einzuwickelnden Körpers 5;6 angeordnet sind. Die zueinander gerichteten Stirnseiten der horizontalen Linearsysteme 11 sind mit Haltevorrichtungen 8 ausgestattet, die ihrerseits mit Halteflanschen 9 des Abwicklers 1 korrespondieren, sodass dieser über eine von einem angeschlossenen Prozessrechner erzeugte Führung entlang einer frei wählbaren Umlaufbahn 4 bewegbar ist und für eine Folienbahn 2 einer abzuwickelnden Folienrolle 3 während des gesamten Einwickelvorgangs eine konstante Abzugsspannung gewährleistet werden kann, ohne dass die Gefahr besteht, dass sich ein Teil der Folienbahn nur unkontrolliert und spannungslos an den zu umwickelnden Körper 5;6 anlegen kann.The wrapping apparatus shown by way of example here consists of two
Von einem ersten Bewegungssystem 7, in den Figuren links dargestellt, wird ein Abwickler 1 während eines fortgesetzten Abwickelns einer Folienbahn 4 von einer Folienrolle 3 entlang einer ersten Teilumlaufbahn um einen einzuwickelnden Körper 5;6 bewegt und am Ende der ersten Teilumlaufbahn an ein zweites Bewegungssystem 7, in den Figuren rechts dargestellt, übergeben, welches den Abwickler 1 entlang einer zweiten Teilumlaufbahn weiter um den einzuwickelnden Körper 5;6 herum bewegt, während das erste Bewegungssystem 7 um den einzuwickelnden Körper 5,6 zurück verfährt bzw. dem zweiten Bewegungssystem 7 zum Ende seiner zweiten Teilumlaufbahn entgegenkommt und dort den Abwickler 1 wieder übernimmt, woraufhin das zweite Bewegungssystem um den einzuwickelnden Körper 5 zurück und dem ersten Bewegungssystem zum Ende der ersten Teilumlaufbahn wieder entgegenfährt, den Abwickler 1 erneut übernimmt, woraufhin sich das Arbeitsverfahren wiederholt.From a
Die Übergabe erfolgt dabei entlang eines Übergabebereichs 'xÜ' durch ein automatisches Ankoppeln der übernehmenden Haltevorrichtung 8 an den jeweiligen Halteflansch 9 des Abwicklers 1 und erst einem daran anschließenden Abkuppeln der jeweils anderen Haltevorrichtung 8 von dem entsprechenden Halteflansch 9 bei kontinuierlich weiterbewegtem Abwickler 1, sodass ein Zugspannungsverlust in der Folienbahn 2 sicher ausgeschlossen werden kann.The transfer takes place along a transfer area 'xÜ' by an automatic coupling of the receiving
Die Bewegungssysteme 7 können um beliebig gestaltete Körper 6 herum oder auch durch mit Augen bzw. Öffnungen 12 versehene Körper 5 hindurchgesteuert werden, wobei eine Übergabe des Abwicklers 1 auch innerhalb oder auch vor- und/ oder hinter einer Öffnung 12 erfolgen kann.The
Die Bewegungsgeschwindigkeit vR des jeweils freien Bewegungssystems 7 entgegen der Umfangsrichtung des Abwicklers 1 auf der Umlaufbahn 4 oder entlang einem freien Rücklaufweg ist bei nur zwei Bewegungssystemen 7 zumindest bis kurz vor dem gegenseitigen Kontakt der Haltevorrichtungen 8 des Linearsystems 11 mit dem Halteflansch 9 des Abwicklers 1 deutlich höher als die Umfangsgeschwindigkeit vU des Abwicklers 1, wobei sich die Übergabe in einem Übergabebereich xÜ jeweils oberhalb und unterhalb eines Körpers 5 oder innerhalb und unterhalb eines Körpers 6 einstellt. Zur Konstanthaltung der Abzugsspannung der Folienbahn 2 wird vom Abwickler 1 sein Bremsmoment proportional zur Menge des Folienmaterials auf der Folienrolle 3 verändert, da mit einem konstanten Bremsmoment die Zugspannung durch den geringer werdenden Radius der Folienrolle 3 während des Abwickelns unerwünschterweise ansteigen würde. Bei der Verwendung von mehr als zwei Bewegungssystemen (7) kann die Rücklaufgeschwindigkeit vR und auch der Rücklaufweg frei ausgewählt werden.The movement speed vR of the respective
Wie in
Bei der Verwendung von zwei oder mehr als zwei Bewegungssystemen 7 läuft das Verfahren so ab, dass erstes Bewegungssystem 7 mit einem daran gehaltenen Abwickler 1, diesen während eines fortgesetzten Abwickelns einer Folienbahn 2 von einer abzuwickelnden Folienrolle 3 entlang einer ersten Teilumlaufbahn um einen einzuwickelnden Körper 5;6 bewegt und am Ende der ersten Teilumlaufbahn an ein weiteres Bewegungssystem 7 übergibt, welches den Abwickler 1 entlang einer weiteren Teilumlaufbahn weiter um den einzuwickelnden Körper 5;6 herum führt, während das erste Bewegungssystem 7 um den einzuwickelnden Körper 5;6 zurück verfährt und einem letzten Bewegungssystem 7, bei zwei Bewegungssystemen dem Zweiten, bei vier dem Vierten, zum Ende seiner letzten Teilumlaufbahn entgegen kommt und dann den Abwickler 1 wieder übernimmt, wobei das jeweils vorher in Betrieb gewesene Bewegungssystem 7 nach Abgabe des Abwicklers 1 um seine Teilumlaufbahn oder auf einem anderen Weg um den einzuwickelnden Körper 5;6 zurück fährt und dem jeweils vorherigen Bewegungssystem 7 zum Ende dessen Teilumlaufbahn entgegen kommt und den Abwickler 1 übernimmt, sodass dieser nach Durchlaufen aller Teilumlaufbahnen aller Bewegungssysteme eine geschlossene Umlaufbahn 4 umfährt.When using two or more than two
Claims (14)
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PL16000506T PL3070008T3 (en) | 2015-03-17 | 2016-03-03 | Wrapping device and its working method |
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DE102015103878.1A DE102015103878B4 (en) | 2015-03-17 | 2015-03-17 | Wrapping device and its working method |
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EP3070008A1 true EP3070008A1 (en) | 2016-09-21 |
EP3070008B1 EP3070008B1 (en) | 2018-02-28 |
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US (1) | US20160272351A1 (en) |
EP (1) | EP3070008B1 (en) |
DE (1) | DE102015103878B4 (en) |
ES (1) | ES2669350T3 (en) |
NO (1) | NO2809872T3 (en) |
PL (1) | PL3070008T3 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108528873A (en) * | 2017-03-03 | 2018-09-14 | 迪尔公司 | Pack package mechanism |
IT201900001349A1 (en) * | 2019-01-30 | 2020-07-30 | Fb Balzanelli S P A | METHOD FOR THE PACKAGING OF A REEL-WRAPPED TUBE WRAPPED WITH A STRETCH FILM |
WO2021219861A2 (en) | 2020-04-30 | 2021-11-04 | Lamiflex Group Ab | Robot tool and method for coil packaging |
SE2250772A1 (en) * | 2022-06-22 | 2023-12-23 | Lamiflex Group Ab | Robot system and method for coil packaging with different angular velocities |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US11006581B2 (en) * | 2017-03-03 | 2021-05-18 | Deere & Company | Bale wrap mechanism |
US11013183B2 (en) * | 2017-03-03 | 2021-05-25 | Deere & Company | Bale wrap mechanism |
USD980299S1 (en) | 2020-04-30 | 2023-03-07 | Lamiflex Group Ab | Industrial robot tool |
SE2051554A1 (en) * | 2020-12-23 | 2022-06-24 | Lamiflex Group Ab | Robot System and Method for Coil Packaging |
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2015
- 2015-03-17 DE DE102015103878.1A patent/DE102015103878B4/en not_active Expired - Fee Related
-
2016
- 2016-03-03 PL PL16000506T patent/PL3070008T3/en unknown
- 2016-03-03 EP EP16000506.2A patent/EP3070008B1/en active Active
- 2016-03-03 ES ES16000506.2T patent/ES2669350T3/en active Active
- 2016-03-17 US US15/072,570 patent/US20160272351A1/en not_active Abandoned
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DE69901667T2 (en) | 1998-12-11 | 2003-01-02 | Oy M. Haloila Ab, Masku | wrapping |
EP1172298A1 (en) * | 1999-01-29 | 2002-01-16 | Kohan Kogyo Co. Ltd. | Packaging device |
WO2001042085A1 (en) * | 1999-12-06 | 2001-06-14 | Luiz Henrique Araujo | Coil wrapping machine |
WO2001070575A1 (en) * | 2000-03-23 | 2001-09-27 | Intergrated Industrial Systems | Spool transfer coil wrapping machine |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108528873A (en) * | 2017-03-03 | 2018-09-14 | 迪尔公司 | Pack package mechanism |
IT201900001349A1 (en) * | 2019-01-30 | 2020-07-30 | Fb Balzanelli S P A | METHOD FOR THE PACKAGING OF A REEL-WRAPPED TUBE WRAPPED WITH A STRETCH FILM |
WO2021219861A2 (en) | 2020-04-30 | 2021-11-04 | Lamiflex Group Ab | Robot tool and method for coil packaging |
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SE2250772A1 (en) * | 2022-06-22 | 2023-12-23 | Lamiflex Group Ab | Robot system and method for coil packaging with different angular velocities |
WO2023249546A1 (en) * | 2022-06-22 | 2023-12-28 | Lamiflex Group Ab | Robot system and method for coil packaging with different angular velocities |
Also Published As
Publication number | Publication date |
---|---|
EP3070008B1 (en) | 2018-02-28 |
ES2669350T3 (en) | 2018-05-25 |
NO2809872T3 (en) | 2018-01-27 |
US20160272351A1 (en) | 2016-09-22 |
DE102015103878A1 (en) | 2016-09-22 |
DE102015103878B4 (en) | 2016-11-24 |
PL3070008T3 (en) | 2018-07-31 |
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