EP2427399B1 - Device for feeding a quasi-endless material web - Google Patents

Device for feeding a quasi-endless material web Download PDF

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Publication number
EP2427399B1
EP2427399B1 EP10713580.8A EP10713580A EP2427399B1 EP 2427399 B1 EP2427399 B1 EP 2427399B1 EP 10713580 A EP10713580 A EP 10713580A EP 2427399 B1 EP2427399 B1 EP 2427399B1
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EP
European Patent Office
Prior art keywords
roller
outfeed
rotation
reel
tensioning unit
Prior art date
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Application number
EP10713580.8A
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German (de)
French (fr)
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EP2427399A1 (en
Inventor
Martin Büsch
Tobias Buss
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A Raymond SARL
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A Raymond SARL
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Publication of EP2427399A1 publication Critical patent/EP2427399A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
    • B65H23/063—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
    • B65H23/185—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations motor-controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B65H23/198—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations motor-controlled (Controlling electrical drive motors therefor)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1942—Web supporting regularly spaced non-adhesive articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/51—Automobile

Definitions

  • the invention relates to a device for feeding a quasi-endless material strip according to the preamble of claim 1.
  • Such a device is off US-A-6,098,442 known.
  • This known device for feeding a quasi-endless material strip to a material handling tape receiving manipulation device has a rotatable dispenser roll, which receives the material strip before feeding to the manipulation device.
  • a device for feeding a quasi-endless web of material having a rotatable donor roll receiving the web of material coupled to a donor roll motor.
  • a Zu 2010spanniser is present, which has two fixedly arranged fixed rollers and a pivotally mounted spherical roller and has a sensitive to the angular position of the spherical roller angle sensor.
  • a control unit is present, which is connected to the angle sensor and with the donor roller motor and adapted to offset the donor role in a materialbandêtden feed rotation or in the feed rotation opposite return rotation on deviation of the spherical roller from a reference angular position.
  • Devices for feeding a quasi-endless strip of material such as according to DE 12 46 344 A often have a rotatably mounted dispensing roll and a Zu lakespanniser which is equipped with a pivotally mounted spherical roller.
  • the pivotally mounted, held under tension with a tension spring dispenser roll serves to the material band by a tension spring to give predetermined tension. This procedure had proven itself under conditions of use with a not significantly fluctuating tensile loads of the material strip.
  • the invention has for its object to provide a device for supplying a quasi-endless material strip of the type mentioned, which works very reliable even with very uneven tensile loads of the material band to a manipulation device.
  • the angular position of the donor roller detecting angle sensor controls the donor roller of the control unit on reaching or exceeding certain angular edge positions of the spherical roller and thus leaving the changeable range of tensile stresses of the material band bufferable by the pivotable spherical roller Relatively strong changes in the tension of the material strip caused, for example, by relatively rapid expansive movements of the manipulation device and ensuring the functionality of the device are quasi-instantaneously triggered via the donor roller motor for adding or removing material band to or from the manipulation device compensate.
  • Fig. 1 shows a side view of an embodiment of a device according to the invention.
  • the embodiment according to Fig. 1 has a rigid, torsionally rigid support frame 1, on which a dispenser roll 2 is rotatably mounted.
  • the donor roller 2 can be driven via a donor roller motor 3 in two directions of rotation to a rotation.
  • a quasi-endless material strip 4 is stored, which is formed in this embodiment of two spaced apart at a distance conveyor belts 5 with attached at regular intervals between the conveyor belts 5 fasteners 6.
  • the material strip 4 is fed in a conveying direction after the donor roll 2 through a guide sleeve 7 through a Zunaturalspanniser 8 of the device according to the invention.
  • the feed chuck unit 8 has an inlet side fixed feed roller 9 as a first fixed roller which is rigidly and rotatably attached to a support rail 11 rising from the donor roller 2 via an inlet fixed roller support arm 10.
  • the feed chuck unit 8 has a feed pendulum roller 12 as a shuttle roller which is swingable via a feed pendulum roller support arm 13 opposite to the inlet roller support arm 10.
  • the Zugarspanniser 8 is equipped with an outlet-side ZuGermanfestrolle 14 which is rigidly and rotatably connected on the inlet side of the ZuGermanpendelrolle 9 side facing the ZuGermanpendelrolle 12 as a second hard role via an inlet Festrollenhaltearm 15 with the support spar 11.
  • a device according to the invention according to Fig. 1 via a projecting from the support frame 1 and at the intended arrangement of the device horizontally oriented pivot arm 16, which is pivotable about a pivot bearing 17 when used as intended in the horizontal with respect to the support frame 1.
  • a rotatable ZuGermanumlenkrolle 18 is attached, via which the material strip 4 is a manipulation device 19 can be fed.
  • the fasteners 6 can be by a worker 20, for example, at a in Fig. 1 Mount vehicle, not shown. After the assembly process, the material strip 4 is freed from the fastening elements 6 and has only the two conveyor belts 5, which emerge from the manipulation device 19.
  • This part of the material strip 4 passes through a further guide sleeve 21 which is attached to the end facing away from the support frame 1 end of the pivot arm 16 and wraps around a further Ab technologicalumlenkrolle 22, via which the material strip 4 is again fed to the support frame 1.
  • the discharge chuck unit 24 is further equipped with a AbGermanpendelrolle 25 as a pendulum roller which is rotatably mounted on a Abzhoupendelrollenhaltearm 26 and pivotally connected to a rigidly connected to the carrier spar 11 Abriosfestrollenhaltearm 27.
  • a drainage roller holding arm 27 On the drainage roller holding arm 27, furthermore, an outlet side drainage roller 28 is rotatably mounted as a second fixed roller of the drainage guide unit 24.
  • Fig. 2 shows in a perspective view, the inlet-side Zu adoptedfestrolle 9 and the Zuzhoupendelrolle 12 of the Zugarspanniser 8 with the S-like performed material strip 4.
  • the supply pendulum roll holding arm 13 is pivotally supported in the inlet fixed roll holding arm 10, so that when the feed swing roll 12 is pivoted, the S-like wrap of the inlet side feed roll 9 and the feed swing roll 12 is more or less pronounced, some changes in the material strip 4 applied tension with the force acting on the Zucommendedpendelrolle 12 gravity as restoring force.
  • the feed clamping unit 8 is further equipped with a feed angle sensor 34 as an angle sensor, with which the angular positions of the Zuzhoupendetrollenhaltearmes 13 associated control signals can be generated.
  • Fig. 3 shows in a block diagram an embodiment of a control unit 36 of a device according to the invention.
  • the control unit 36 is on the input side with the feed angle sensor 34 and the direction of rotation sensor 35 in connection.
  • the output signals of the feed angle sensor 34 can be fed to an angle evaluation module 37, with which the current angular position of the Zuzhoupendelrollenhaltearms 13 is convertible into an input signal for a rotation control module 38.
  • a frequency converter 39 connected upstream of the donor roller motor 3 is controllable to cause the donor roller motor 3 to exceed a reference angular position of the supply pendulum roller holding arm 13 as a first form of deviation from a reference angular position to an addition of material band 4 by performing feed rotation of the donor roller 2 or when falling below the same or a further reference angular position as a second form of deviation from a reference angular position to drive the donor roller motor 3 for rotating the donor roller 2 in a return rotation opposite the feed rotation for returning the material strip 4 to the donor roller 2.
  • the direction of rotation sensor 35 is connected to a first direction of rotation discriminating module 40 and the frequency converter 39 is connected to a second direction of rotation discriminating module 41.
  • the Drerichtichtdiskriminiermodule 40, 41 are connected to an AND gate 42, which then provides an output signal for a Kingan Seaemodul 43 and a frequency converter 39 fed STOP signal for switching off the control, when the directions of rotation of the donor roll 2 and the inlet side Zucommendedfestrolle 9 in opposite directions are, which is indicative of improper functioning of the device according to the invention.
  • the control unit 36 furthermore has a counting module 44 connected to the manipulation unit 19, with which the fastening elements 6 separated from the conveyor belts 5 by the manipulation unit 19 can be counted.
  • the counting module 44 is connected to a parameter set selection module 45, which in turn is connected to the frequency converter 39.
  • the rotational speed of the dispenser roll 2 can be preselected in at least two stages in order to take into account the level of the dispenser roll 2 which decreases in the case of an effective removal of the material strip 4 averaged over a relatively long period of time Dispenser roll 2 rotates relatively fast at a relatively high level and faster at a relatively low level compared to a relatively high level.
  • the discharge clamping unit 24 is also equipped with a discharge angle sensor corresponding to the functionality of the feed angle sensor 34 and with a discharge rotation direction sensor corresponding to the functionality of the feed angle sensor 34 for the discharge-side discharge roller 28, which duplicates the
  • the above-explained elements of the control unit 36 lead to a corresponding control of the direction of rotation and the rotational speed of the take-up roll 32 if the Auslanderpendelrollenhaltearm 36 deviates from the or a reference angular position.
  • Fig. 4 shows in a plan view of the pivot arm 16 of the embodiment according to Fig. 1 , Out Fig. 4 It can be seen that on the pivot arm 16, a first Manipulators réellehCodehnatureung 46 and a second Manipulators réelleungsanhCodeung 47 are mounted to next to the in Fig. 1 shown manipulation device 19 reserve a replacement and, if necessary, both manipulators 19 to store at a predetermined location in the event of disuse.
  • the representation according to Fig. 4 can be seen that the device according to the invention is mounted on guide rails 48 along a working path displaced back and forth to the material strip 4, for example to be able to use at an assembly line in different places.
  • a side bearing detection unit 49 is arranged, which will be explained in more detail below.
  • Fig. 5 shows in a relation to the illustration according to Fig. 4
  • the side position detection unit 49 has on both sides of the pivot arm 16 attached to the support frame 1 bracket 50, at their ends facing away from the support frame 1 each have a side stop damper 51 and an induction sensor 52 are mounted. Furthermore, the ends remote from the support frame 1 ends of the bracket 50 are mechanically connected via a respective tension spring 53 to the support arm 16 which hold the support arm 16 without exerting lateral forces substantially in a central position.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Control Of Conveyors (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Zuführen eines quasi endlosen Materialbandes gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a device for feeding a quasi-endless material strip according to the preamble of claim 1.

Eine derartige Vorrichtung ist aus US-A-6,098,442 bekannt. Diese vorbekannte Vorrichtung zum Zuführen eines quasi endlosen Materialbandes zu einem das Materialband aufnehmenden Manipulationsgerät verfügt über eine drehbare Spenderrolle, die das Materialband vor Zufuhr zu dem Manipulationsgerät aufnimmt.Such a device is off US-A-6,098,442 known. This known device for feeding a quasi-endless material strip to a material handling tape receiving manipulation device has a rotatable dispenser roll, which receives the material strip before feeding to the manipulation device.

Aus DE 195 20 955 A1 ist eine Vorrichtung zum Zuführen eines quasi endlosen Materialbandes bekannt, die über eine das Materialband aufnehmende drehbare Spenderrolle verfügt, die mit einem Spenderrollenmotor gekoppelt ist. Weiterhin ist eine Zuführspanneinheit vorhanden, die zwei fest angeordnete Festrollen sowie eine schwenkbar gelagerte Pendelrolle aufweist und die über einen für die Winkellage der Pendelrolle sensitiven Winkelsensor verfügt. Weiterhin ist eine Steuereinheit vorhanden, die mit dem Winkelsensor sowie mit dem Spenderrollenmotor verbunden und dazu eingerichtet ist, bei Abweichen der Pendelrolle von einer Referenzwinkellage die Spenderrolle in einer materialbandzuführenden Zuführdrehung oder in eine der Zuführdrehung entgegengesetzte Rückführdrehung zu versetzen.Out DE 195 20 955 A1 For example, there is known a device for feeding a quasi-endless web of material having a rotatable donor roll receiving the web of material coupled to a donor roll motor. Furthermore, a Zuführspanneinheit is present, which has two fixedly arranged fixed rollers and a pivotally mounted spherical roller and has a sensitive to the angular position of the spherical roller angle sensor. Furthermore, a control unit is present, which is connected to the angle sensor and with the donor roller motor and adapted to offset the donor role in a materialbandzuführenden feed rotation or in the feed rotation opposite return rotation on deviation of the spherical roller from a reference angular position.

Vorrichtungen zum Zuführen eines quasi endlosen Materialbandes wie beispielsweise gemäß der DE 12 46 344 A weisen häufig eine drehbar gelagerte Spenderrolle und eine Zuführspanneinheit auf, die mit einer schwenkbar gelagerten Pendelrolle ausgestattet ist. Die schwenkbar gelagerte, mit einer Zugfeder unter Spannung gehaltene Spenderrolle dient dazu, dem Materialband eine durch die Zugfeder vorbestimmte Zugspannung zu verleihen. Diese Vorgehensweise hatte sich unter Einsatzbedingungen mit einer nicht wesentlich schwankenden Zugbelastungen des Materialbandes bewährt.Devices for feeding a quasi-endless strip of material such as according to DE 12 46 344 A often have a rotatably mounted dispensing roll and a Zuführspanneinheit which is equipped with a pivotally mounted spherical roller. The pivotally mounted, held under tension with a tension spring dispenser roll serves to the material band by a tension spring to give predetermined tension. This procedure had proven itself under conditions of use with a not significantly fluctuating tensile loads of the material strip.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Zuführen eines quasi endlosen Materialbandes der eingangs genannten Art anzugeben, die auch bei sehr ungleichmäßigen Zugbelastungen des Materialbandes zu einem Manipulationsgerät sehr zuverlässig arbeitet.The invention has for its object to provide a device for supplying a quasi-endless material strip of the type mentioned, which works very reliable even with very uneven tensile loads of the material band to a manipulation device.

Diese Aufgabe wird bei einer Vorrichtung zum Zuführen eines quasi endlosen Materialbandes der eingangs genannten Art erfindungsgemäß mit den kennzeichnenden Merkmalen des Patentanspruches 1 gelöst.This object is achieved according to the invention in a device for supplying a quasi-endless material strip of the type mentioned with the characterizing features of claim 1.

Dadurch, dass bei der erfindungsgemäßen Vorrichtung über den die Winkellage der Spenderrolle erfassenden Winkelsensor bei Erreichen oder Übersteigen von bestimmten Winkelrandlagen der Pendelrolle und damit dem Verlassen des durch die schwenkbare Pendelrolle pufferbaren Änderungsbereiches der Zugbelastungen des Materialbandes die Spenderrolle von der Steuereinheit gesteuert über den Spenderrollenmotor zu einer Zugabe beziehungsweise zu einer Abfuhr von Materialband zu beziehungsweise von dem Manipulationsgerät angesteuert wird, lassen sich auch verhältnismäßig starke, beispielsweise durch relativ schnelle raumgreifende Bewegungen des Manipulationsgerätes hervorgerufene Änderungen in der Zugspannung des Materialbandes und das Sicherstellen der Funktionsfähigkeit der Vorrichtung quasi augenblicklich ausgleichen.Due to the fact that, in the device according to the invention, the angular position of the donor roller detecting angle sensor controls the donor roller of the control unit on reaching or exceeding certain angular edge positions of the spherical roller and thus leaving the changeable range of tensile stresses of the material band bufferable by the pivotable spherical roller Relatively strong changes in the tension of the material strip caused, for example, by relatively rapid expansive movements of the manipulation device and ensuring the functionality of the device are quasi-instantaneously triggered via the donor roller motor for adding or removing material band to or from the manipulation device compensate.

Weitere zweckmäßige Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further expedient embodiments of the invention are the subject of the dependent claims.

Anhand der nachfolgenden Erläuterung eines Ausführungsbeispieles der Erfindung mit Bezug auf die Figuren der Zeichnung ergeben sich weitere zweckmäßige Ausgestaltungen und Vorteile.On the basis of the following explanation of an embodiment of the invention with reference to the figures of the drawing, further expedient refinements and advantages.

Es zeigen:

Fig. 1
in einer Seitenansicht ein Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung,
Fig. 2
in einer perspektivischen Ansicht ein Ausführungsbeispiel einer Zuführspanneinheit der erfindungsgemäßen Vorrichtung gemäß Fig. 1,
Fig. 3
in einem Blockschaubild ein Ausführungsbeispiel einer Steuereinheit für eine erfindungsgemäße Vorrichtung,
Fig. 4
in einer Draufsicht einen Schwenkarm bei einer entlang von Schienen verschiebbar gelagerten erfindungsgemäßen Vorrichtung gemäß Fig. 1 und
Fig. 5
in einer gegenüber der Darstellung gemäß Fig. 4 vergrößerten Darstellung den Schwenkarm im Befestigungsbereich mit einem Tragrahmen.
Show it:
Fig. 1
in a side view an embodiment of a device according to the invention,
Fig. 2
in a perspective view of an embodiment of a Zuführspanneinheit the device according to the invention according to Fig. 1 .
Fig. 3
in a block diagram an embodiment of a control unit for a device according to the invention,
Fig. 4
in a plan view of a pivoting arm according to the invention along a slidably mounted device according to the invention Fig. 1 and
Fig. 5
in a relation to the illustration according to Fig. 4 enlarged view of the swivel arm in the mounting area with a support frame.

Fig. 1 zeigt in einer Seitenansicht ein Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung. Das Ausführungsbeispiel gemäß Fig. 1 verfügt über einen starren, verwindungssteifen Tragrahmen 1, an dem eine Spenderrolle 2 drehbar gelagert ist. Die Spenderrolle 2 ist über einen Spenderrollenmotor 3 in zwei Drehrichtungen zu einer Drehung antreibbar. Fig. 1 shows a side view of an embodiment of a device according to the invention. The embodiment according to Fig. 1 has a rigid, torsionally rigid support frame 1, on which a dispenser roll 2 is rotatably mounted. The donor roller 2 can be driven via a donor roller motor 3 in two directions of rotation to a rotation.

Auf der Spenderrolle 2 ist ein quasi endloses Materialband 4 bevorratet, das bei diesem Ausführungsbeispiel aus zwei in einem Abstand parallel zueinander angeordneten Fördergurten 5 mit in regelmäßigen Abständen zwischen den Fördergurten 5 angebrachten Befestigungselementen 6 gebildet ist.On the donor roller 2, a quasi-endless material strip 4 is stored, which is formed in this embodiment of two spaced apart at a distance conveyor belts 5 with attached at regular intervals between the conveyor belts 5 fasteners 6.

Das Materialband 4 ist in einer Förderrichtung nach der Spenderrolle 2 durch eine Führungshülse 7 hindurch einer Zuführspanneinheit 8 der erfindungsgemäßen Vorrichtung zugeführt. Die Zuführspanneinheit 8 verfügt bei diesem Ausführungsbeispiel über eine einlassseitige Zuführfestrolle 9 als einer ersten Festrolle, die über einen Einlassfestrollenhaltearm 10 starr und drehbar an einem von der Spenderrolle 2 wegweisend aufsteigenden Trägerholm 11 angebracht ist. Weiterhin verfügt die Zuführspanneinheit 8 über eine Zuführpendelrolle 12 als Pendelrolle, die über einen Zuführpendelrollenhaltearm 13 gegenüber dem Einlassfestrollenhaltearm 10 schwenkbar ist. Weiterhin ist die Zuführspanneinheit 8 mit einer auslassseitigen Zuführfestrolle 14 ausgestattet, die auf der der einlassseitigen Zuführfestrolle 9 abgewandten Seite der Zuführpendelrolle 12 als zweite Festrolle über einen Einlassfestrollenhaltearm 15 mit dem Trägerholm 11 starr und drehbar verbunden ist.The material strip 4 is fed in a conveying direction after the donor roll 2 through a guide sleeve 7 through a Zuführspanneinheit 8 of the device according to the invention. In this embodiment, the feed chuck unit 8 has an inlet side fixed feed roller 9 as a first fixed roller which is rigidly and rotatably attached to a support rail 11 rising from the donor roller 2 via an inlet fixed roller support arm 10. Further, the feed chuck unit 8 has a feed pendulum roller 12 as a shuttle roller which is swingable via a feed pendulum roller support arm 13 opposite to the inlet roller support arm 10. Further, the Zuführspanneinheit 8 is equipped with an outlet-side Zuführfestrolle 14 which is rigidly and rotatably connected on the inlet side of the Zuführpendelrolle 9 side facing the Zuführpendelrolle 12 as a second hard role via an inlet Festrollenhaltearm 15 with the support spar 11.

Aus Fig. 1 ist ersichtlich, dass das Materialband 4 nach Durchtritt durch die Führungshülse 7 S-artig um die einlassseitige Zuführfestrolle 9, die Zuführpendelrolle 12 und die auslassseitige Zuführfestrolle 14 herum gelegt ist.Out Fig. 1 It can be seen that the material band 4 after passing through the guide sleeve 7 S-like around the inlet-side Zuführfestrolle 9, the Zuführpendelrolle 12 and the outlet side Zuführfestrolle 14 around.

Weiterhin verfügt das Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung gemäß Fig. 1 über einen von dem Tragrahmen 1 abstehenden und bei bestimmungsgemäßer Anordnung der Vorrichtung horizontal ausgerichteten Schwenkarm 16, der über ein Schwenklager 17 bei bestimmungsgemäßem Einsatz in der Horizontalen gegenüber dem Tragrahmen 1 schwenkbar ist. An dem vor dem Tragrahmen 1 abgewandten Ende des Schwenkarmes 16 ist eine drehbare Zuführumlenkrolle 18 angebracht, über die das Materialband 4 einem Manipulationsgerät 19 zuführbar ist.Furthermore, the embodiment of a device according to the invention according to Fig. 1 via a projecting from the support frame 1 and at the intended arrangement of the device horizontally oriented pivot arm 16, which is pivotable about a pivot bearing 17 when used as intended in the horizontal with respect to the support frame 1. At the end facing away from the support frame 1 end of the pivot arm 16, a rotatable Zuführumlenkrolle 18 is attached, via which the material strip 4 is a manipulation device 19 can be fed.

Mit dem Manipulationsgerät 19, das bei diesem Ausführungsbeispiel in Gestalt einer Setzpistole für die Befestigungselemente 6 ausgestaltet ist, lassen sich die Befestigungselemente 6 durch einen Werker 20 beispielsweise an einem in Fig. 1 nicht dargestellten Kraftfahrzeug montieren. Nach dem Montagevorgang ist das Materialband 4 von den Befestigungselementen 6 befreit und weist nur noch die beiden Fördergurte 5 auf, die aus dem Manipulationsgerät 19 austreten.With the manipulation device 19, which is configured in this embodiment in the form of a setting gun for the fasteners 6, the fasteners 6 can be by a worker 20, for example, at a in Fig. 1 Mount vehicle, not shown. After the assembly process, the material strip 4 is freed from the fastening elements 6 and has only the two conveyor belts 5, which emerge from the manipulation device 19.

Dieser Teil des Materialbandes 4 durchtritt eine weitere Führungshülse 21, die an dem von dem Tragrahmen 1 abgewandten Ende des Schwenkarmes 16 angebracht ist und umschlingt eine weiter Abführumlenkrolle 22, über die das Materialband 4 wieder dem Tragrahmen 1 zuführbar ist.This part of the material strip 4 passes through a further guide sleeve 21 which is attached to the end facing away from the support frame 1 end of the pivot arm 16 and wraps around a further Abführumlenkrolle 22, via which the material strip 4 is again fed to the support frame 1.

An dem dem Schwenkarm 16 zugewandten Ende des Trägerholmes 11 ist eine einlassseitige Abführfestrolle 23 als einer ersten Festrolle einer Abführspanneinheit 24 zugeführt. Die Abführspanneinheit 24 ist weiterhin mit einer Abführpendelrolle 25 als Pendelrolle ausgestattet, die über einen Abführpendelrollenhaltearm 26 drehbar und gegenüber einem starr mit dem Trägerholm 11 verbundenen Abführfestrollenhaltearm 27 schwenkbar angeordnet ist. An dem Abführfestrollenhaltearm 27 ist weiterhin eine auslassseitige Abführfestrolle 28 als zweiter Festrolle der Abführspanneinheit 24 drehbar angebracht.On the pivot arm 16 facing the end of the carrier spar 11 is an inlet-side Abführfestrolle 23 as a first fixed role of Abführspanneinheit 24 is supplied. The discharge chuck unit 24 is further equipped with a Abführpendelrolle 25 as a pendulum roller which is rotatably mounted on a Abführpendelrollenhaltearm 26 and pivotally connected to a rigidly connected to the carrier spar 11 Abführfestrollenhaltearm 27. On the drainage roller holding arm 27, furthermore, an outlet side drainage roller 28 is rotatably mounted as a second fixed roller of the drainage guide unit 24.

Aus Fig.1 ist ersichtlich, dass das Materialband 4 in Gestalt der beiden Fördergurte 5 nach Austritt aus dem Manipulationsgerät 19 S-artig um die einlassseitige Abführfestrolle 23, um die Abführpendelrolle 25 sowie um die auslassseitige Abführfestrolle 28 gelegt ist und über eine fest mit dem Tragrahmen 1 befestigte drehbare Hilfsrolle 29 einer weiteren Führungshülse 30 sowie durch eine zum raumsparenden Verlegen des von der Manipulationseinheit 19 abgeführten Materialbandes 4 durch seitliches Hin- und Herführen des Materialbandes 4 eingerichtete Verlegeeinheit 31 einer Aufnahmerolle 32 des Ausführungsbeispiels der erfindungsgemäßen Vorrichtung zugeführt ist. Die Aufnahmerolle 32 ist über einen Aufnahmerollenmotor 33 entsprechend der Spenderrolle 2 in beide Drehrichtungen zu einer Drehung antreibbar.Out Fig.1 It can be seen that the material band 4 in the form of the two conveyor belts 5 after exiting the manipulation device 19 S-like around the inlet-side Abführfestrolle 23, the Abführpendelrolle 25 and the outlet-side Abführfestrolle 28 is placed and fixed to the support frame 1 rotatable Auxiliary roller 29 of a further guide sleeve 30 and by a space-saving laying of the discharged from the manipulation unit 19 material strip 4 by lateral back and forth of the material strip 4 furnished laying unit 31 is fed to a take-up reel 32 of the embodiment of the device according to the invention. The take-up reel 32 can be driven by a take-up reel motor 33 corresponding to the dispenser roll 2 in both directions of rotation to a rotation.

Fig. 2 zeigt in einer perspektivischen Ansicht die einlassseitige Zuführfestrolle 9 und die Zuführpendelrolle 12 der Zuführspanneinheit 8 mit dem S-artig durchgeführten Materialband 4. Aus Fig. 2 ist ersichtlich, dass der Zuführpendelrollenhaltearm 13 schwenkbar in dem Einlassfestrollenhaltearm 10 gelagert ist, so dass bei Schwenken der Zuführpendelrolle 12 die S-artige Umschlingung der einlassseitigen Zuführfestrolle 9 und der Zuführpendelrolle 12 mehr oder weniger stark ausgeprägt ist, gewisse Änderungen in der auf das Materialband 4 ausgeübten Zugspannung mit der auf die Zuführpendelrolle 12 einwirkenden Schwerkraft als Rückstellkraft auszugleichen. Fig. 2 shows in a perspective view, the inlet-side Zuführfestrolle 9 and the Zuführpendelrolle 12 of the Zuführspanneinheit 8 with the S-like performed material strip 4. Off Fig. 2 It can be seen that the supply pendulum roll holding arm 13 is pivotally supported in the inlet fixed roll holding arm 10, so that when the feed swing roll 12 is pivoted, the S-like wrap of the inlet side feed roll 9 and the feed swing roll 12 is more or less pronounced, some changes in the material strip 4 applied tension with the force acting on the Zuführpendelrolle 12 gravity as restoring force.

Alternativ oder ergänzend zu der Schwerkraft ist bei einer nicht dargestellten Abwandlung des erläuterten Ausführungsbeispieles vorgesehen, dass die beziehungsweise eine weitere Rückstellkraft durch eine auf den Zuführpendelrollenhaltearm 13 einwirkende Schenkelfeder ausgeübt wird.Alternatively or in addition to the gravity is provided in a modification of the illustrated embodiment, not shown, that or a further restoring force is exerted by acting on the Zuführpendelrollenhaltearm 13 leg spring.

Die Zuführspanneinheit 8 ist weiterhin mit einem Zuführwinkelsensor 34 als Winkelsensor ausgestattet, mit dem den Winkellagen des Zuführpendetrollenhaltearmes 13 zugeordnete Steuersignale erzeugbar sind.The feed clamping unit 8 is further equipped with a feed angle sensor 34 as an angle sensor, with which the angular positions of the Zuführpendetrollenhaltearmes 13 associated control signals can be generated.

Weiterhin lässt sich Fig. 2 entnehmen, dass die einlassseitige Zuführfestrolle 9 mit einem Drehrichtungssensor 35 gekoppelt ist, dessen Ausgangssignale der jeweiligen Drehrichtung der einlassseitigen Zuführfestrolle 9 zugeordnet sind.Furthermore, it is possible Fig. 2 It can be seen that the inlet-side Zuführfestrolle 9 is coupled to a direction of rotation sensor 35, the output signals of the respective direction of rotation of the inlet-side Zuführfestrolle 9 are assigned.

Fig. 3 zeigt in einem Blockschaubild ein Ausführungsbeispiel einer Steuereinheit 36 einer erfindungsgemäßen Vorrichtung. Die Steuereinheit 36 steht eingangsseitig mit dem Zuführwinkelsensor 34 und dem Drehrichtungssensor 35 in Verbindung. Die Ausgangssignale des Zuführwinkelsensors 34 sind einem Winkelauswertemodul 37 einspeisbar, mit dem die aktuelle Winkellage des Zuführpendelrollenhaltearms 13 in ein Eingangssignal für ein Drehsteuerungsmodul 38 umwandelbar ist. Fig. 3 shows in a block diagram an embodiment of a control unit 36 of a device according to the invention. The control unit 36 is on the input side with the feed angle sensor 34 and the direction of rotation sensor 35 in connection. The output signals of the feed angle sensor 34 can be fed to an angle evaluation module 37, with which the current angular position of the Zuführpendelrollenhaltearms 13 is convertible into an input signal for a rotation control module 38.

Mit dem Drehsteuerungsmodul 38 der Steuereinheit 36 ist ein dem Spenderrollenmotor 3 vorgeschalteter Frequenzumsetzer 39 ansteuerbar, um den Spenderrollenmotor 3 bei Übersteigen einer Referenzwinkellage des Zuführpendelrollenhaltearms 13 als einer ersten Form des Abweichens von einer Referenzwinkellage zu einer Zugabe von Materialband 4 über Durchführen einer Zuführdrehung der Spenderrolle 2 beziehungsweise bei Unterschreiten der gleichen oder einer weiteren Referenzwinkellage als einer zweiten Form des Abweichens von einer Referenzwinkellage den Spenderrollenmotor 3 zum Drehen der Spenderrolle 2 in einer der Zuführdrehung entgegengesetzten Rückführdrehung zum Rückführen von Materialband 4 auf die Spenderrolle 2 anzusteuern.With the rotation control module 38 of the control unit 36, a frequency converter 39 connected upstream of the donor roller motor 3 is controllable to cause the donor roller motor 3 to exceed a reference angular position of the supply pendulum roller holding arm 13 as a first form of deviation from a reference angular position to an addition of material band 4 by performing feed rotation of the donor roller 2 or when falling below the same or a further reference angular position as a second form of deviation from a reference angular position to drive the donor roller motor 3 for rotating the donor roller 2 in a return rotation opposite the feed rotation for returning the material strip 4 to the donor roller 2.

Auf diese Art und Weise ist sichergestellt, dass bei Abweichen des Zuführpendelrollenhaltearms 13 von der oder einer Referenzwinkellage durch aktives Zuführen beziehungsweise durch aktives Abführen das Materialband 4 innerhalb vorbestimmter Grenzen mit einer im wesentlichen gleich bleibenden Zugspannung belastet ist, um einen zuverlässigen Einsatz des Manipulationsgerätes 19 beispielsweise auch bei schnellen raumgreifenden Bewegungen zu gewährleisten.In this way, it is ensured that when the Zuführpendelrollenhaltearms 13 of the or a reference angle position by active feeding or by actively discharging the material band 4 is loaded within predetermined limits with a substantially constant tensile stress, for example, a reliable use of the manipulation device 19 to ensure even with fast expansive movements.

Aus Fig. 3 ist weiterhin ersichtlich, dass der Drehrichtungssensor 35 an ein erstes Drehrichtungsdiskriminiermodul 40 und der Frequenzumsetzer 39 an ein zweites Drehrichtungsdiskriminiermodul 41 angeschlossen ist. Die Drehrichtungsdiskriminiermodule 40, 41 sind an ein logisches UND-Glied 42 angeschlossen, das dann ein Ausgangssignal für ein Fehleranzeigemodul 43 sowie ein dem Frequenzumsetzer 39 eingespeistes STOP-Signal zum Abschalten der Steuerung liefert, wenn die Drehrichtungen der Spenderrolle 2 und der einlassseitigen Zuführfestrolle 9 gegenläufig sind, was auf ein nicht ordnungsgemäßes Arbeiten der erfindungsgemäßen Vorrichtung hinweisend ist.Out Fig. 3 It can also be seen that the direction of rotation sensor 35 is connected to a first direction of rotation discriminating module 40 and the frequency converter 39 is connected to a second direction of rotation discriminating module 41. The Drerichtichtdiskriminiermodule 40, 41 are connected to an AND gate 42, which then provides an output signal for a Fehleranzeigemodul 43 and a frequency converter 39 fed STOP signal for switching off the control, when the directions of rotation of the donor roll 2 and the inlet side Zuführfestrolle 9 in opposite directions are, which is indicative of improper functioning of the device according to the invention.

Die Steuereinheit 36 verfügt weiterhin über einen an die Manipulationseinheit 19 angeschlossenes Zählmodul 44, mit dem die durch die Manipulationseinheit 19 aus von den Fördergurten 5 abgetrennten Befestigungselemente 6 zählbar sind. Das Zählmodul 44 steht mit einem Parametersatzwahlmodul 45 in Verbindung, der seinerseits an den Frequenzumsetzer 39 angeschlossen ist. In Abhängigkeit des in dem Zählmodul 44 gespeicherten Zählerstandes ist die Drehgeschwindigkeit der Spenderrolle 2 in wenigstens zwei Stufen voreinstellbar, um dem bei einem über einen längeren Zeitraum gemittelten effektiven Abführen des Materialbandes 4 von der Spenderrolle 2 abnehmenden Füllstand der Spenderrolle 2 dergestalt Rechnung zu tragen, dass sich die Spenderrolle 2 bei einem noch relativ hohen Füllstand relativ langsam und bei einem relativ niedrigen Füllstand gegenüber einem relativ hohen Füllstand schneller dreht.The control unit 36 furthermore has a counting module 44 connected to the manipulation unit 19, with which the fastening elements 6 separated from the conveyor belts 5 by the manipulation unit 19 can be counted. The counting module 44 is connected to a parameter set selection module 45, which in turn is connected to the frequency converter 39. Dependent on of the counter reading stored in the counting module 44, the rotational speed of the dispenser roll 2 can be preselected in at least two stages in order to take into account the level of the dispenser roll 2 which decreases in the case of an effective removal of the material strip 4 averaged over a relatively long period of time Dispenser roll 2 rotates relatively fast at a relatively high level and faster at a relatively low level compared to a relatively high level.

Bei einer Weiterbildung der voranstehend erläuterten, erfindungsgemäßen Vorrichtung ist vorgesehen, dass auch die Abführspanneinheit 24 mit einem bezüglich der Funktionalität dem Zuführwinkelsensor 34 entsprechenden Abführwinkeisensor und mit einem bezüglich der Funktionalität dem Zuführwinkelsensor 34 entsprechenden Abführdrehrichtungssensor für die auslassseitige Abführfestrolle 28 ausgestattet ist, die unter Duplizieren der voranstehend erläuterten Elemente der Steuereinheit 36 zu einer entsprechenden Steuerung der Drehrichtung sowie der Drehgeschwindigkeit der Aufnahmerolle 32 führen, falls der Ausführpendelrollenhaltearm 36 von der oder einer Referenzwinkellage abweicht.In a further development of the device according to the invention explained above, it is provided that the discharge clamping unit 24 is also equipped with a discharge angle sensor corresponding to the functionality of the feed angle sensor 34 and with a discharge rotation direction sensor corresponding to the functionality of the feed angle sensor 34 for the discharge-side discharge roller 28, which duplicates the The above-explained elements of the control unit 36 lead to a corresponding control of the direction of rotation and the rotational speed of the take-up roll 32 if the Ausführpendelrollenhaltearm 36 deviates from the or a reference angular position.

Fig. 4 zeigt in einer Draufsicht den Schwenkarm 16 des Ausführungsbeispiels gemäß Fig. 1. Aus Fig. 4 ist ersichtlich, dass an dem Schwenkarm 16 eine erste Manipulationsgeräteaufhängung 46 und eine zweite Manipulationsgeräteaufhängung 47 angebracht sind, um neben dem in Fig. 1 dargestellten Manipulationsgerät 19 ein weiteres Manipulationsgerät 19 ersatzweise vorhalten und bei Bedarf auch beide Manipulationsgeräte 19 an einer vorbestimmten Stelle im Falle eines Nichtgebrauchs lagern zu können. Der Darstellung gemäß Fig. 4 lässt sich entnehmen, dass die erfindungsgemäße Vorrichtung auf Führungsschienen 48 entlang eines Arbeitsweges hin und her verschiebbar gelagert ist, um das Materialband 4 beispielsweise bei einer Montagestraße an verschiedenen Stellen einsetzen zu können. Fig. 4 shows in a plan view of the pivot arm 16 of the embodiment according to Fig. 1 , Out Fig. 4 It can be seen that on the pivot arm 16, a first Manipulatorsgeräthänghängung 46 and a second Manipulatorsgerätungsanhängung 47 are mounted to next to the in Fig. 1 shown manipulation device 19 reserve a replacement and, if necessary, both manipulators 19 to store at a predetermined location in the event of disuse. The representation according to Fig. 4 can be seen that the device according to the invention is mounted on guide rails 48 along a working path displaced back and forth to the material strip 4, for example to be able to use at an assembly line in different places.

Wie Fig. 4 entnommen werden kann, ist an dem dem Tragrahmen 1 zugewandten Ende des Schwenkarmes 16 eine Seitenlagendetektionseinheit 49 angeordnet, die nachfolgend näher erläutert wird.As Fig. 4 can be removed, on the support frame 1 facing the end of the pivot arm 16 a side bearing detection unit 49 is arranged, which will be explained in more detail below.

Fig. 5 zeigt in einer gegenüber der Darstellung gemäß Fig. 4 vergrößerten Draufsicht die Seitenlagendetektionseinheit 49. Die Seitenlagendetektionseinheit 49 verfügt über beidseitig des Schwenkarmes 16 an dem Tragrahmen 1 angebrachte Haltewinkel 50, an deren von dem Tragrahmen 1 abgewandten Enden jeweils ein Seitenanschlagdämpfer 51 und ein Induktionssensor 52 angebracht sind. Weiterhin sind die von dem Tragrahmen 1 abgewandten Enden der Haltewinkel 50 über jeweils eine Zugfeder 53 mechanisch mit dem Haltearm 16 verbunden, die den Haltearm 16 ohne Ausüben von seitlich einwirkenden Kräften im wesentlichen in einer Mittellage halten. Fig. 5 shows in a relation to the illustration according to Fig. 4 The side position detection unit 49 has on both sides of the pivot arm 16 attached to the support frame 1 bracket 50, at their ends facing away from the support frame 1 each have a side stop damper 51 and an induction sensor 52 are mounted. Furthermore, the ends remote from the support frame 1 ends of the bracket 50 are mechanically connected via a respective tension spring 53 to the support arm 16 which hold the support arm 16 without exerting lateral forces substantially in a central position.

Bei Annähern des Schwenkarms 16 an einen der Induktionssensoren 52 jedoch gibt ab Unterschreiten eines vorbestimmten Abstandsschwellwerts der betreffende Induktionssensor 52 ein Ausgangssignal an eine in Fig. 5 nicht dargestellte Kontrolleinheit ab, die bewirkt, dass die erfindungsgemäße Vorrichtung in Richtung des das Ausgangssignal abgebenden Induktionssensors 52 verfahren wird, bis der Abstandsschwellwert wieder überschritten ist. Dadurch lässt sich die erfindungsgemäße Vorrichtung für einen Werker 20 sehr komfortabel über einen durch die Länge der Führungsschienen 48 festgelegten Arbeitsweg automatisch verfahren.When approaching the pivot arm 16 to one of the induction sensors 52, however, from falling below a predetermined distance threshold value of the respective induction sensor 52 outputs an output signal to an in Fig. 5 Control unit, not shown, which causes the device according to the invention is moved in the direction of the output sensor emitting induction sensor 52 until the distance threshold is exceeded again. As a result, the device according to the invention for a worker 20 can be moved very comfortably over a fixed by the length of the guide rails 48 working path.

Claims (8)

  1. Arrangement for feeding a virtually continuous web of material (4) to a handling device (19) which receives the web of material (4), having a rotatable dispenser reel (2) which holds the web of material (4) before it is fed to the handling device (19), characterised in that the dispenser reel (2) is coupled to a dispenser reel motor (3), to an infeed tensioning unit (8) which is arranged between the dispenser reel (2) and the handling device (19), which has two fixed rollers (9, 14) arranged in fixed positions and one pivotably mounted swinging roller (12), and which has an angle sensor (34) sensitive to the angular position of the swinging roller (12), and to a control unit (36) which is connected to the angle sensor (34) and the dispenser reel motor (3) and which, if the swinging roller (12) moves away from a reference angular position, is set up to displace the dispenser reel (2) in an infeed rotation which feeds the web of material (4) to the handling device (19) or in a reverse feed rotation in the opposite direction to the infeed rotation.
  2. Arrangement according to claim 1, characterised in that there are present, at the end remote from the dispenser reel (2) of a handling device (19), an outfeed tensioning unit (24) and a receiving reel (32) for a web of material (4) which has passed through a handling device (19), which receiving reel (32) can be rotated in two directions of rotation by means of a receiving reel motor (33).
  3. Arrangement according to claim 2, characterised in that the outfeed tensioning unit (24) has two fixed rollers (23, 28) arranged in fixed positions, a pivotably mounted swinging roller (25) and an angle sensor which is sensitive to the angular position of the swinging roller (25) of the outfeed tensioning unit (24), in that the angle sensor (34) of the outfeed tensioning unit (24) is connected to the control unit (36), and in that, if the swinging roller (25) of the outfeed tensioning unit (24) moves away the receiving reel (32), the control unit (36) is set up to displace from a reference angular position in an outfeed rotation which feeds the web of material (4) away from a handling device (19) or in an infeed rotation in the opposite direction to the outfeed rotation.
  4. Arrangement according to claim 2 or claim 3, characterised in that the or each swinging roller (12, 25) is mounted on a swinging-roller holding arm (13, 26) which is pivotably mounted on a fixed-roller holding arm (13, 27) which carries a fixed roller (9, 28).
  5. Arrangement according to claim 4, characterised in that the angle sensor (34) of the infeed tensioning unit (8) or the outfeed tensioning unit (24) is mounted in that region of the swinging-roller holding arm (13, 26) which is adjacent the fixed-roller holding arm (10, 27).
  6. Arrangement according to one of claims 3 to 5, characterised in that the control unit (36) has a parameter-set selecting module (45) by which the speed of rotation of the dispenser reel (2) and/or the receiving reel (32) can be set as a function of how full it is.
  7. Arrangement according to one of claims 3 to 6, characterised in that there is present between the infeed tensioning unit (8) and the outfeed tensioning unit (24) a pivoting arm (16) along which the web of material (4) is passed.
  8. Arrangement according to claim 7, characterised in that there are present a pivoting-arm sensor arrangement (49) sensitive to the angular position of the pivoting arm (16), and a displacing means connected to the pivoting-arm sensor arrangement (49) by which the arrangement comprising the dispenser reel (2), receiving reel (32), infeed tensioning unit (8), outfeed tensioning unit (24) and handling device (19) can be displaced to and fro along a working travel under the control of the pivoting-arm sensor arrangement (49).
EP10713580.8A 2009-05-06 2010-04-09 Device for feeding a quasi-endless material web Active EP2427399B1 (en)

Applications Claiming Priority (2)

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DE102009020065A DE102009020065A1 (en) 2009-05-06 2009-05-06 Device for feeding a quasi endless strip of material
PCT/EP2010/002209 WO2010127755A1 (en) 2009-05-06 2010-04-09 Device for feeding a quasi-endless material web

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EP2427399A1 EP2427399A1 (en) 2012-03-14
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CN (1) CN102414102B (en)
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BRPI1014456B8 (en) 2022-09-13
CN102414102B (en) 2014-07-09
WO2010127755A1 (en) 2010-11-11
US8915460B2 (en) 2014-12-23
US20120037679A1 (en) 2012-02-16
DE102009020065A1 (en) 2010-11-11
BRPI1014456A2 (en) 2019-09-24
CN102414102A (en) 2012-04-11
HK1164821A1 (en) 2012-09-28
EP2427399A1 (en) 2012-03-14

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