EP1066127A1 - Conveyor device - Google Patents

Conveyor device

Info

Publication number
EP1066127A1
EP1066127A1 EP99907414A EP99907414A EP1066127A1 EP 1066127 A1 EP1066127 A1 EP 1066127A1 EP 99907414 A EP99907414 A EP 99907414A EP 99907414 A EP99907414 A EP 99907414A EP 1066127 A1 EP1066127 A1 EP 1066127A1
Authority
EP
European Patent Office
Prior art keywords
transport
workpieces
transport device
delivery star
guide unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99907414A
Other languages
German (de)
French (fr)
Other versions
EP1066127B1 (en
Inventor
Klaus Wittmaier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schober GmbH Werkzeug und Maschinenbau
Original Assignee
Schober GmbH Werkzeug und Maschinenbau
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schober GmbH Werkzeug und Maschinenbau filed Critical Schober GmbH Werkzeug und Maschinenbau
Publication of EP1066127A1 publication Critical patent/EP1066127A1/en
Application granted granted Critical
Publication of EP1066127B1 publication Critical patent/EP1066127B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/38—Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40—Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B65H2513/11—Speed angular
    • 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
    • B65H2701/1924—Napkins or tissues, e.g. dressings, toweling, serviettes, kitchen paper and compresses

Definitions

  • the invention relates to a transport device with a transport path for removing workpieces from a cutting or punching device and a delivery star arranged downstream of the transport path for setting up the horizontally guided workpieces.
  • a transport device has become known from EP 338 297 B1, by means of which circular workpieces, which are punched out of a web with minimal punching waste, are aligned with one another in columns and rows. These aligned workpieces can now be easily layered and packaged.
  • Accelerator rollers are transferred to a delivery star, are set up from the delivery star from the horizontal orientation to a substantially vertical orientation and are accumulated in this direction and then packaged.
  • the pads are damaged or at least deformed due to the accelerator rollers, and / or that the parts are introduced into the delivery starters inaccurately or incorrectly. This method is therefore not or only partially suitable for such workpieces.
  • the invention is therefore based on the object of providing a transport device with which workpieces can be accumulated without any problems and as far as possible without damage, so that they can be fed to a packaging machine.
  • a transport and guide unit gripping the workpieces on the underside and / or the top is provided between the transport path and the delivery star, in that the transport and guide unit has essentially the same transport speed as the transport path and Delivery star and that the transport and the guide unit is arranged such that it guides the workpieces into the receptacles of the delivery star.
  • the configuration of the transport device according to the invention has the essential advantage that the workpieces are transferred from the transport track to the transport and guide unit at a constant speed, and are therefore treated more gently in contrast to an accelerated transfer.
  • targeted guidance is achieved by placing the transport and guide unit on both the upper side and the lower side of the workpiece, so that the workpiece is placed exactly in the delivery star.
  • the workpieces are therefore inserted into the receptacles of the delivery star and are not thrown or shot in, as in the prior art. Since the workpieces are not accelerated, the workpieces do not have to be braked, since the workpieces are transferred evenly from the transport path via the transport and guide unit to the delivery star.
  • the transport and guiding unit is formed by a lower and an upper conveyor belt, the conveyor belt being formed by at least two rings arranged next to one another, in particular O-rings.
  • the conveyor belt Due to the subdivision of the conveyor belt into conveyor strips or O-rings, the conveyor belt can be easily inserted between the receptacles of the delivery star, which are formed in particular by receiving fingers. In this way, the transfer of the workpiece from the conveyor belts to the delivery star is possible without any problems.
  • the delivery star and the upper and the lower conveyor belt have separate drives. In order to avoid differences in the transport speed between the upper and the lower conveyor belt, in another embodiment these components have a common drive. In addition, it is provided that the delivery star and the transport and guide unit have a common drive, so that it is ensured that during the transfer, the workpiece from the conveyor belts to the delivery star the workpiece is not accelerated or braked.
  • the common drive is formed by a drive belt which is placed around the drive elements of the transport and guide unit or the delivery star.
  • the delivery star is driven by the transport and guide unit. This has the essential advantage that in the event of fluctuations in the transport speed, these are passed on by the transport and guidance unit to the delivery star and the relative synchronization is thereby maintained.
  • a receptacle is provided at the exit of the delivery star, at which the workpieces assume an essentially vertical position, in which the workpieces are placed one behind the other.
  • This receptacle has a slotted end into which slots the delivery star engages with its transport fingers, the end of the receptacle lifting the workpieces out of the delivery star.
  • a pipe or a pipe-like collecting device connects to the receptacle.
  • this tube-like collecting device is formed by a plurality of parallel rods, between which the workpieces may be guided with little friction.
  • the friction can be set so that the workpieces are held in a vertical orientation, but transport in the longitudinal direction of the collecting device is not hindered.
  • the rods are only in point contact with the edges of the workpieces, so that the frictional forces are minimal.
  • the use of rods also has the advantage that the cross-section of the collecting device can be optimally adapted to different cross-sectional shapes of the workpieces. In this way, round, oval, rectangular, etc. designed workpieces can be collected and transported.
  • a transport device in particular a transport finger, is provided which engages in the collecting device and can be moved in the direction of the longitudinal axis of the collecting device.
  • This transport finger By means of this transport finger, the in the Workpieces located are transported further and / or pushed out.
  • the transport finger is moved into or into these after a certain number of workpieces placed behind the delivery star or in the collecting device and moves with these workpieces or pushes them in the transport device in the transport direction until a further specific number of workpieces has been deposited and then pushes the remaining workpieces from the collecting device into a transfer cartridge located after the collecting device.
  • This transfer cartridge is moved into the working path of an ejector unit after filling, so that the workpieces located in the transfer cartridge can be inserted into a filling cartridge by means of the ejector unit, in particular by means of a stamp.
  • This filling cartridge is part of a packaging machine in which the workpieces located in the filling cartridge are finally packaged.
  • Figure 1 is a side view of a device for
  • Figure 2 shows a device for transporting and stacking the punched workpieces
  • Figure 3 is a plan view of the device of Figure 1;
  • Figure 4 is a side view of a delivery star with transport and guide unit.
  • FIG. 1 shows a device, generally designated 1, for cutting or punching round workpieces 2 (FIG. 3), for example cotton pads, from a material web 3.
  • This device 1 has a conventional structure and is provided with a rotary cutting cylinder 4 with counter roller 5.
  • the workpieces 2 are laid out on a transport path 6 and the lead frame 7 is discharged as punch waste and is usually wound up.
  • FIG. 2 shows the continuation of the transport path 6, on which the workpieces 2, as shown in FIG. 3, are transferred to a transport and guide unit 8.
  • This transport and guide unit 8 is located after the transport path 6.
  • the transport and guide unit 8 transfers the workpieces 2, as described in more detail below, to a delivery star 9, with which the workpieces 2 are aligned from a horizontal position into a vertical position become.
  • the workpieces 2 are transferred from the delivery star 9 to a receptacle 10 (FIG. 4) in which the workpieces 2 are placed one behind the other.
  • This receptacle 10 is followed by a collecting device 11 which is formed from a plurality of rods 12 or tubes which are aligned parallel to one another.
  • the workpieces 2 are moved in the direction of a transfer cartridge 13 by means of a transport finger 14, which can be moved vertically into the delivery star 9 or into the collecting device 11 and moved in the direction of the longitudinal axis thereof.
  • transfer cartridges 13 are connected to one another via chain links 15 and can be transferred from the pushed-together position shown in FIG Have distances from each other.
  • the transfer cartridges 13 can be raised from a position in which they are aligned with the collecting devices 11 by means of a drive 17, so that they are aligned with a stamp 18 of an ejector unit 19.
  • the workpieces 2 located in the transfer cartridges 13 are inserted into filling cartridges (not shown), via which the workpieces 2 are then packed in a suitable packaging machine.
  • the distance between the transfer cartridges 13 can be adjusted such that it corresponds to the distance between the filling cartridges arranged next to one another.
  • FIG. 4 shows the transport and guiding unit 8 and the delivery star 9, which connect to the transport track 6.
  • the transport and guide unit 8 has one 11
  • the transport and guide unit 9 has a lower conveyor belt 23 which is guided around a transport roller 24 and around a section 25 of the delivery star 9.
  • a drive belt 26 can be seen, which rotates in the direction of arrow 27 and is guided around deflection rollers 28 and 29, the transport rollers 21 and 24 and a deflection roller 30. In this way, the two transport rollers 21 and 24 are driven at the same angular velocity.
  • the delivery star 9 is also driven via the conveyor belt 23. This can also be driven by its own drive motor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Framework For Endless Conveyors (AREA)
  • Glass Compositions (AREA)
  • Liquid Crystal (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention relates to a conveyor device, including a conveyor belt for transporting workpieces out of a cutting or stamping device and a placement star wheel for putting upright the workpieces, which are delivered horizontally upright. The placement star wheel is mounted downstream of the conveyor strip. Conveyor bands which grip the workpieces on top and/or at the bottom are provided between the conveyor belt and the delivery star wheel. The conveyor bands move at essentially the same speed as the conveyer belt and the placement star wheel and are arranged in such a way to guide the workpieces into the receiving elements of the placement wheel.

Description

Titel: TransportvorrichtungTitle: Transport device
Beschreibungdescription
Die Erfindung betrifft eine Transportvorrichtung mit einer Transportbahn zum Abführen von Werkstücken aus einer Schneid- oder Stanzvorrichtung und einem der Transportbahn nachgeschalteten Auslagestern zum Aufstellen der waagerecht herangeführten Werkstücke .The invention relates to a transport device with a transport path for removing workpieces from a cutting or punching device and a delivery star arranged downstream of the transport path for setting up the horizontally guided workpieces.
Aus der EP 338 297 Bl ist eine Transportvorrichtung bekannt geworden, über welche kreisrunde Werkstücke, die mit minimalem Stanzabfall aus einer Bahn ausgestanzt werden, in Spalten und Reihen zueinander ausgerichtet werden. Diese ausgerichteten Werkstücke können nun auf einfache Weise geschichtet und verpackt werden. Hierbei ist es bekannt, dass die Werkstücke von der Transportbahn über Beschleunigerwalzen in einen Auslagestern übergeben werden, vom Auslagestern von der waagerechten Ausrichtung in eine im Wesentlichen vertikale Ausrichtung aufgestellt werden und in dieser aufgestellten Richtung angesammelt und dann verpackt werden. Insbesondere bei der Herstellung von Wattepads hat sich gezeigt, dass bei der Übergabe dieser Wattepads von der Transportbahn in den Auslagestern aufgrund der Beschleunigerwalzen die Pads beschädigt oder zumindest verformt werden und/oder dass die Teile ungenau oder nicht teilungsgerecht in den Auslagestern eingebracht werden. Dieses Verfahren ist daher nicht oder nur bedingt für derartige Werkstücke geeignet.A transport device has become known from EP 338 297 B1, by means of which circular workpieces, which are punched out of a web with minimal punching waste, are aligned with one another in columns and rows. These aligned workpieces can now be easily layered and packaged. Here, it is known that the workpieces on the conveyor track Accelerator rollers are transferred to a delivery star, are set up from the delivery star from the horizontal orientation to a substantially vertical orientation and are accumulated in this direction and then packaged. In the production of cotton pads in particular, it has been shown that when these cotton pads are transferred from the transport path in the delivery starters, the pads are damaged or at least deformed due to the accelerator rollers, and / or that the parts are introduced into the delivery starters inaccurately or incorrectly. This method is therefore not or only partially suitable for such workpieces.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Transportvorrichtung bereitzustellen, mit der Werkstücke problemlos und möglichst ohne Beschädigung angesammelt werden können, so dass sie einer Verpackungsmaschine zugeführt werden können.The invention is therefore based on the object of providing a transport device with which workpieces can be accumulated without any problems and as far as possible without damage, so that they can be fed to a packaging machine.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass zwischen der Transportbahn und dem Auslagestern eine die Werkstücke an der Unterseite und/oder der Oberseite ergreifende Transport- und Führungseinheit vorgesehen ist, dass die Transport- und Führungseinheit im Wesentlichen die gleiche Transportgeschwindigkeit aufweist wie die Transportbahn und der Auslagestern und dass die Transport- und Führungseinheit derart angeordnet ist, dass sie die Werkstücke in die Aufnahmen des Auslagesterns hineinführt .This object is achieved according to the invention in that a transport and guide unit gripping the workpieces on the underside and / or the top is provided between the transport path and the delivery star, in that the transport and guide unit has essentially the same transport speed as the transport path and Delivery star and that the transport and the guide unit is arranged such that it guides the workpieces into the receptacles of the delivery star.
Die erfindungsgemäße Ausgestaltung der Transportvorrichtung hat den wesentlichen Vorteil, dass die Werkstücke von der Transportbahn bei gleichbleibender Geschwindigkeit in die Transport- und Führungseinheit übergeben werden, und dadurch im Gegensatz zu einer beschleunigten Übergabe schonender behandelt werden. Außerdem wird durch Anlage der Transport- und Führungseinheit sowohl an die Oberseite als auch an die Unterseite des Werkstücks eine gezielte Führung erzielt, so dass das Werkstück exakt im Auslagestern plaziert wird. Die Werkstücke werden also in die Aufnahmen des Auslagesterns hineingeführt und nicht, wie beim Stand der Technik, hineingeschleudert bzw. hineingeschossen. Da die Werkstücke nicht beschleunigt werden bedarf es keiner Abbremsung der Werkstücke, da die Werkstücke gleichmäßig von der Transportbahn über die Transport- und Führungseinheit in den Auslagestern übergeben werden. Da keine Geschwindigkeitsänderungen erforderlich sind, d.h. keine Beschleunigung des Werkstücks und keine Abbremsung, können höhere Maschinengeschwindigkeiten gefahren werden, so dass der Materialdurchsatz dieser erfindungsgemäßen Vorrichtung höher ist als bei vergleichbaren Vorrichtungen des Standes der Technik. Bei einer Weiterbildung ist vorgesehen, dass die Transport - und Führungseinheit von einem unteren und einem oberen Transportband gebildet wird, wobei das Transportband von wenigstens zwei nebeneinander angeordneten Ringen, insbesondere O-Ringen gebildet wird. Dies hat den wesentlichen Vorteil, dass die Transportkräfte flächig auf das Werkstück übertragen werden können und somit die Transportbänder nur mit geringer Kraft an den Werkstücken anliegen müssen. Aufgrund der Unterteilung des Transportbandes in Transportstreifen oder O-Ringe kann mit dem Transportband problemlos zwischen die Aufnahmen des Auslagesterns, die insbesondere von Aufnahmefingern gebildet werden, eingefahren werden. Auf diese Weise ist die Übergabe des Werkstücks von den Transportbändern zum Auslagestern problemlos möglich.The configuration of the transport device according to the invention has the essential advantage that the workpieces are transferred from the transport track to the transport and guide unit at a constant speed, and are therefore treated more gently in contrast to an accelerated transfer. In addition, targeted guidance is achieved by placing the transport and guide unit on both the upper side and the lower side of the workpiece, so that the workpiece is placed exactly in the delivery star. The workpieces are therefore inserted into the receptacles of the delivery star and are not thrown or shot in, as in the prior art. Since the workpieces are not accelerated, the workpieces do not have to be braked, since the workpieces are transferred evenly from the transport path via the transport and guide unit to the delivery star. Since no changes in speed are required, ie no acceleration of the workpiece and no braking, higher machine speeds can be driven, so that the material throughput of this device according to the invention is higher than in comparable devices of the prior art. In a further development it is provided that the transport and guiding unit is formed by a lower and an upper conveyor belt, the conveyor belt being formed by at least two rings arranged next to one another, in particular O-rings. This has the essential advantage that the transport forces can be transferred to the workpiece over a large area and thus the conveyor belts only have to bear against the workpieces with a small force. Due to the subdivision of the conveyor belt into conveyor strips or O-rings, the conveyor belt can be easily inserted between the receptacles of the delivery star, which are formed in particular by receiving fingers. In this way, the transfer of the workpiece from the conveyor belts to the delivery star is possible without any problems.
Bei einer Variante der Erfindung ist vorgesehen, dass der Auslagestern und das obere und das untere Transportband separate Antriebe aufweisen. Um Unterschiede in der Transportgeschwindigkeit zwischen dem oberen und dem unteren Transportband zu vermeiden weisen bei einer anderen Ausführungsform diese Bauteile einen gemeinsamen Antrieb auf. Außerdem ist vorgesehen, dass der Auslagestern und die Transport- und Führungseinheit einen gemeinsamen Antrieb aufweisen, so dass gewährleistet ist, dass bei der Übergabe, des Werkstücks von den Transportbändern zum Auslagestern das Werkstück nicht beschleunigt oder abgebremst wird. Insbesondere wird der gemeinsame Antrieb von einem Antriebsriemen gebildet, der um die Antriebselemente der Transport- und Führungseinheit bzw. des Auslagesterns gelegt ist.In a variant of the invention it is provided that the delivery star and the upper and the lower conveyor belt have separate drives. In order to avoid differences in the transport speed between the upper and the lower conveyor belt, in another embodiment these components have a common drive. In addition, it is provided that the delivery star and the transport and guide unit have a common drive, so that it is ensured that during the transfer, the workpiece from the conveyor belts to the delivery star the workpiece is not accelerated or braked. In particular, the common drive is formed by a drive belt which is placed around the drive elements of the transport and guide unit or the delivery star.
Bei einem Ausführungsbeispiel ist vorgesehen, dass der Auslagestern von der Transport- und Führungseinheit angetrieben wird. Dies hat den wesentlichen Vorteil, dass bei Schwankungen der Transportgeschwindigkeit diese von der Transport- und Führungseinheit an den Auslagestern weitergegeben werden und dadurch der relative Gleichlauf beibehalten wird.In one embodiment, it is provided that the delivery star is driven by the transport and guide unit. This has the essential advantage that in the event of fluctuations in the transport speed, these are passed on by the transport and guidance unit to the delivery star and the relative synchronization is thereby maintained.
Mit Vorzug ist am Ausgang des Auslagesterns, an welchem die Werkstücke eine im Wesentlichen vertikale Position einnehmen, eine Aufnahme vorgesehen, in welche die Werkstücke hintereinander stehend abgelegt werden. Diese Aufnahme weist ein geschlitztes Ende auf, in welche Schlitze der Auslagestern mit seinen Transportfingern eingreift, wobei das Ende der Aufnahme die Werkstücke aus dem Auslagestern aushebt . Diese Übergabe der Werkstücke in die Aufnahme ist an sich bekannt, jedoch gestaltet sich das Lösen der Werkstücke aus dem Auslagestern wesentlich einfacher, da die Werkstücke von der Transport- und Führungseinheit mit geringerer Kraft in den Auslagestern eingeschoben worden sind, und deshalb weniger fest in diesem verankert sind.Preferably, a receptacle is provided at the exit of the delivery star, at which the workpieces assume an essentially vertical position, in which the workpieces are placed one behind the other. This receptacle has a slotted end into which slots the delivery star engages with its transport fingers, the end of the receptacle lifting the workpieces out of the delivery star. This transfer of the workpieces into the receptacle is known per se, but the release of the workpieces from the delivery star is much easier, since the workpieces are conveyed by the transport and guide unit with less force in the delivery starter have been inserted, and are therefore less firmly anchored in it.
Mit Vorzug schließt sich an die Aufnahme ein Rohr oder eine rohrähnliche Sammelvorrichtung an. Diese rohrähnliche Sammelvorrichtung wird bei einem bevorzugten Ausführungsbeispiel von mehreren zueinander parallelen Stangen gebildet, zwischen denen die Werkstücke ggf. mit geringer Reibung geführt werden. Die Reibung kann so eingestellt werden, dass die Werkstücke in vertikaler Ausrichtung gehalten werden, jedoch ein Transport in Längsrichtung der Sammelvorrichtung nicht behindert wird. Die Stangen liegen lediglich punktförmig an den Rändern der Werkstücke an, so dass die Reibungskräfte minimal sind. Die Verwendung von Stangen hat außerdem den Vorteil, dass der Querschnitt der Sammelvorrichtung optimal an unterschiedliche Querschnittsformen der Werkstücke angepasst werden kann. Auf diese Weise sind runde, ovale, rechteckförmige usw. ausgestaltete Werkstücke sammel- und transportierbar .Preferably, a pipe or a pipe-like collecting device connects to the receptacle. In a preferred embodiment, this tube-like collecting device is formed by a plurality of parallel rods, between which the workpieces may be guided with little friction. The friction can be set so that the workpieces are held in a vertical orientation, but transport in the longitudinal direction of the collecting device is not hindered. The rods are only in point contact with the edges of the workpieces, so that the frictional forces are minimal. The use of rods also has the advantage that the cross-section of the collecting device can be optimally adapted to different cross-sectional shapes of the workpieces. In this way, round, oval, rectangular, etc. designed workpieces can be collected and transported.
Bei einer Weiterbildung der Erfindung ist vorgesehen, dass eine Transportvorrichtung, insbesondere ein Transportfinger vorgesehen ist, der in die Sammelvorrichtung eingreift und in Richtung der Längsachse der Sammelvorrichtung verfahrbar- ist. Mittels dieses Transportfingers werden die in der Sammelvorrichtung sich befindenden Werkstücke weiter transportiert und/oder ausgeschoben. Der Transportfinger wird nach einer bestimmten Anzahl hinter dem Auslagestern oder in der Sammelvorrichtung abgelegter Werkstücke in diesen bzw. in diese eingefahren und fährt mit diesen Werkstücken bzw. schiebt diese so lange in der Transportvorrichtung in Transportrichtung, bis eine weitere bestimmte Anzahl von Werkstücken abgelegt worden ist und schiebt dann die übrigen Werkstücke aus der Sammelvorrichtung in eine sich im Anschluss an die Sammelvorrichtung befindende Übergabekartusche ein. Diese Übergabekartusche wird nach dem Befüllen in den Arbeitsweg einer Auswerfereinheit verschoben, so dass mittels der Auswerfereinheit, insbesondere mittels eines Stempels die in der Übergabekartusche sich befindenden Werkstücke in eine Befüllungskartusche eingeschoben werden können. Diese Befüllungskartusche ist Teil einer Verpackungsmaschine, in welcher die in der Befüllungskartusche sich befindenden Werkstücke endgültig verpackt werden.In a further development of the invention, it is provided that a transport device, in particular a transport finger, is provided which engages in the collecting device and can be moved in the direction of the longitudinal axis of the collecting device. By means of this transport finger, the in the Workpieces located are transported further and / or pushed out. The transport finger is moved into or into these after a certain number of workpieces placed behind the delivery star or in the collecting device and moves with these workpieces or pushes them in the transport device in the transport direction until a further specific number of workpieces has been deposited and then pushes the remaining workpieces from the collecting device into a transfer cartridge located after the collecting device. This transfer cartridge is moved into the working path of an ejector unit after filling, so that the workpieces located in the transfer cartridge can be inserted into a filling cartridge by means of the ejector unit, in particular by means of a stamp. This filling cartridge is part of a packaging machine in which the workpieces located in the filling cartridge are finally packaged.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen sowie der nachfolgenden Beschreibung, in der unter Bezugnahme auf die Zeichnung ein besonders bevorzugtes Ausführungsbeispiel im einzelnen beschrieben ist . Dabei können die in der Zeichnung dargestellten und in den Ansprüchen und in der Beschreibung erwähnten Merkmale jeweils einzeln für sich oder in beliebiger Kombination erfindungswesentlich sein. Dabei zeigen:Further advantages, features and details of the invention emerge from the subclaims and the following description, in which a particularly preferred exemplary embodiment is described in detail with reference to the drawing. It can be shown in the drawing and in the claims and in the Description mentioned features may be essential to the invention individually or in any combination. Show:
Figur 1 eine Seitenansicht einer Vorrichtung zumFigure 1 is a side view of a device for
Schneiden oder Stanzen von Werkstücken aus einer Materialbahn;Cutting or punching workpieces from a material web;
Figur 2 eine Vorrichtung zum Transportieren und Abstapeln der ausgestanzten Werkstücke;Figure 2 shows a device for transporting and stacking the punched workpieces;
Figur 3 eine Draufsicht auf die Vorrichtung gemäß Figur 1 ; undFigure 3 is a plan view of the device of Figure 1; and
Figur 4 eine Seitenansicht eines Auslagesterns mit Transport- und Führungseinheit.Figure 4 is a side view of a delivery star with transport and guide unit.
In der Figur 1 ist eine insgesamt mit 1 bezeichnete Vorrichtung zum Schneiden oder Stanzen von runden Werkstücken 2 (Figur 3), z.B. Watte-Pads, aus einer Materialbahn 3 dargestellt. Diese Vorrichtung 1 besitzt einen herkömmlichen Aufbau und ist mit einem Rotationsschneidzylinder 4 mit Gegenwalze 5 versehen. Die Werkstücke 2 werden auf eine Transportbahn 6 ausgelegt und das Stanzgitter 7 wird als Stanzabfall abgeführt und in der Regel aufgewickelt . In der Figur 2 ist die Fortsetzung der Transportbahn 6 dargestellt, auf welcher die Werkstücke 2, wie in Figur 3 dargestellt, an eine Transport- und Führungseinheit 8 übergeben werden. Diese Transport- und Führungseinheit 8 befindet sich im Anschluss an die Transportbahn 6. Die Transport- und Führungseinheit 8 übergibt die Werkstücke 2, wie weiter unten näher beschrieben, einem Auslagestern 9, mit dem die Werkstücke 2 aus einer waagerechten Position in eine vertikale Lage ausgerichtet werden. Vom Auslagestern 9 werden die Werkstücke 2 an eine Aufnahme 10 (Figur 4) übergeben, in welcher die Werkstücke 2 hintereinanderstehend abgelegt werden. An diese Aufnahme 10 schließt sich eine Sammelvorrichtung 11 an, die aus mehreren, zueinander parallel ausgerichteten Stäben 12 oder Röhren gebildet wird. In diesen Stäben 12 werden die Werkstücke 2 mittels eines Transportfingers 14, der vertikal in den Auslagestern 9 bzw. in die Sammelvorrichtung 11 einfahrbar und in Richtung deren Längsachse verfahrbar ist, in Richtung einer Übergabekartusche 13 verschoben.FIG. 1 shows a device, generally designated 1, for cutting or punching round workpieces 2 (FIG. 3), for example cotton pads, from a material web 3. This device 1 has a conventional structure and is provided with a rotary cutting cylinder 4 with counter roller 5. The workpieces 2 are laid out on a transport path 6 and the lead frame 7 is discharged as punch waste and is usually wound up. FIG. 2 shows the continuation of the transport path 6, on which the workpieces 2, as shown in FIG. 3, are transferred to a transport and guide unit 8. This transport and guide unit 8 is located after the transport path 6. The transport and guide unit 8 transfers the workpieces 2, as described in more detail below, to a delivery star 9, with which the workpieces 2 are aligned from a horizontal position into a vertical position become. The workpieces 2 are transferred from the delivery star 9 to a receptacle 10 (FIG. 4) in which the workpieces 2 are placed one behind the other. This receptacle 10 is followed by a collecting device 11 which is formed from a plurality of rods 12 or tubes which are aligned parallel to one another. In these bars 12, the workpieces 2 are moved in the direction of a transfer cartridge 13 by means of a transport finger 14, which can be moved vertically into the delivery star 9 or into the collecting device 11 and moved in the direction of the longitudinal axis thereof.
Aus Figur 3 ist ersichtlich, dass insgesamt sieben Transportbahnen 6 nebeneinander vorgesehen sind, auf denen die Werkstücke 2 hintereinander angeordnet sind. Demnach befinden sich im Anschluss an die Transportbahnen 6 ebenso . viele Transport- und Fördereinheiten 8 sowie darunter 10From Figure 3 it can be seen that a total of seven transport tracks 6 are provided side by side, on which the workpieces 2 are arranged one behind the other. Accordingly, there are also following the transport tracks 6. many transport and conveyor units 8 and below 10
angeordnete Auslagesterne 9, aus denen die Werkstücke 2 über die Sammelvorrichtungen 11 in die Übergabekartuschen 13 eingeführt werden. Diese Übergabekartuschen 13 sind untereinander über Kettenglieder 15 verbunden und mittels zweiseitig beaufschlagbaren Hub- und Zugzylindern 16, welche an den äußersten Übergabekartuschen 13 angreifen aus der in der Figur 3 dargestellten zusammengeschobenen Lage in eine nicht dargestellte auseinandergezogene Lage überführbar, in welcher die einzelnen Übergabekartuschen 13 vorgegebene Abstände zueinander aufweisen. Außerdem sind die Übergabekartuschen 13 aus einer Position, in welcher sie mit den Sammelvorrichtungen 11 fluchten, mittels eines Antriebs 17 anhebbar, so dass sie mit einem Stempel 18 einer Auswerfereinheit 19 fluchten. Mittels dieser Auswerfereinheit 19 werden die in den Übergabekartuschen 13 sich befindenden Werkstücke 2 in Befüllungskartuschen (nicht dargestellt) eingeschoben, über welche die Werkstücke 2 dann in einer geeigneten Verpackungsmaschine verpackt werden. Der Abstand der Ubergabekartuschen 13 ist derart einstellbar, dass er mit dem Abstand der nebeneinander angeordneten Befüllungskartuschen korrespondiert .arranged delivery stars 9, from which the workpieces 2 are inserted into the transfer cartridges 13 via the collecting devices 11. These transfer cartridges 13 are connected to one another via chain links 15 and can be transferred from the pushed-together position shown in FIG Have distances from each other. In addition, the transfer cartridges 13 can be raised from a position in which they are aligned with the collecting devices 11 by means of a drive 17, so that they are aligned with a stamp 18 of an ejector unit 19. By means of this ejector unit 19, the workpieces 2 located in the transfer cartridges 13 are inserted into filling cartridges (not shown), via which the workpieces 2 are then packed in a suitable packaging machine. The distance between the transfer cartridges 13 can be adjusted such that it corresponds to the distance between the filling cartridges arranged next to one another.
Die Figur 4 zeigt die Transport- und Führungseinheit 8 sowie den Auslagestern 9, die sich an die Transportbahn 6 anschließen. Die Transport- und Führungseinheit 8 weist ein 11FIG. 4 shows the transport and guiding unit 8 and the delivery star 9, which connect to the transport track 6. The transport and guide unit 8 has one 11
oberes Transportband 20 auf, welches um eine angetriebene Transportrolle 21 und um eine Umlenkrolle 22 gelegt ist. Außerdem weist die Transport- und Führungseinheit 9 ein unteres Transportband 23 auf, welches um eine Transport - rolle 24 sowie um einen Abschnitt 25 des Auslagesterns 9 geführt ist. Außerdem ist ein Antriebsriemen 26 erkennbar, der in Richtung des Pfeils 27 umläuft und um Umlenkrollen 28 und 29, die Transportrollen 21 und 24 sowie eine Umlenkrolle 30 geführt ist. Auf diese Weise werden die beiden Transportrollen 21 und 24 mit gleicher Winkelgeschwindigkeit angetrieben. Über das Transportband 23 wird außerdem der Auslagestern 9 angetrieben. Dieser kann auch über einen eigenen Antriebsmotor angetrieben werden.Upper conveyor belt 20, which is placed around a driven transport roller 21 and a deflection roller 22. In addition, the transport and guide unit 9 has a lower conveyor belt 23 which is guided around a transport roller 24 and around a section 25 of the delivery star 9. In addition, a drive belt 26 can be seen, which rotates in the direction of arrow 27 and is guided around deflection rollers 28 and 29, the transport rollers 21 and 24 and a deflection roller 30. In this way, the two transport rollers 21 and 24 are driven at the same angular velocity. The delivery star 9 is also driven via the conveyor belt 23. This can also be driven by its own drive motor.
Aus Figur 4 ist außerdem erkennbar, dass sich der Transportspalt zwischen den beiden Transportbändern 20 und 23 kontinuierlich erweitert, der die Werkstücke in eine Aufnahme 31 des Auslagesterns 9 führt, welche mit dem Transportspalt der beiden Transportbänder 20 und 23 fluchtet. Ein in der Aufnahme 31 sich befindendes Werkstück 2 wird von einem Transportfinger 32 übergriffen und am Transportband 23 gehalten, so dass das Werkstück in Richtung des Pfeils 33, d.h. in Drehrichtung des Auslagesterns 9 transportiert wird. Sobald das Werkstück in die Aufnahme 10 eintritt und am Grund der Aufnahme 10 anliegt, wird das Werkstück aus der Aufnahme 31 ausgehoben. 12It can also be seen from FIG. 4 that the transport gap between the two conveyor belts 20 and 23 widens continuously, which leads the workpieces into a receptacle 31 of the delivery star 9, which is aligned with the transport gap of the two conveyor belts 20 and 23. A workpiece 2 located in the receptacle 31 is overlapped by a transport finger 32 and held on the conveyor belt 23, so that the workpiece is transported in the direction of the arrow 33, ie in the direction of rotation of the delivery star 9. As soon as the workpiece enters the receptacle 10 and rests against the base of the receptacle 10, the workpiece is lifted out of the receptacle 31. 12
Insgesamt kann festgestellt werden, dass die Übergabe der Werkstücke von der Transportbahn 6 in die Transport- und Führungseinheit 8 und von dieser in den Auslagestern 9 ohne übermäßige Krafteinwirkung auf das Werkstück erfolgt, so dass dieses schondend weitertransportiert wird. Außerdem erfolgt der Transport des Werkstücks im Auslagestern 9 durch Anlage des Werkstücks am Transportband 23, so dass abrupte Geschwindigkeitsänderungen, insbesondere ein Abbremsen des Werkstücks auf jeden Fall vermieden wird. Durch geeignete Transportbänder 20 und 23, z.B. Transportriemen mit gummierter Oberfläche oder O-Ringe werden die Werkstücke 2 sicher und ohne Schlupf weitertransportiert . Overall, it can be determined that the transfer of the workpieces from the transport path 6 into the transport and guide unit 8 and from this in the delivery starters 9 takes place without excessive force being exerted on the workpiece, so that the workpiece is transported gently. In addition, the workpiece is transported in the delivery star 9 by the workpiece resting on the conveyor belt 23, so that abrupt changes in speed, in particular braking of the workpiece, are avoided in any case. With suitable conveyor belts 20 and 23, e.g. Transport belts with a rubberized surface or O-rings transport the workpieces 2 safely and without slippage.

Claims

13Patentansprüche 13 Patent claims
1. Transportvorrichtung mit einer Transporebahn (6) zum Abführen von Werkstücken (2) aus einer Schneid- oder Stanzvorrichtung (1) und einem der Transportbahn (6) nachgeschalteten Auslagestern (9) zum Aufstellen der waagerecht herangeführten Werkstücke (2), dadurch gekennzeichnet, dass zwischen der Transportbahn (6) und dem Auslagestern (9) eine die Werkstücke (2) an der Unterseite und/oder der Oberseite ergreifende Transport- und Führungseinheit (8) vorgesehen ist, dass die Transport- und Führungseinheit (8) im Wesentlichen die gleiche Transportgeschwindigkeit aufweist wie die Transportbahn (6) und der Auslagestern (9) und dass die Transport- und Führungseinheit (8) derart angeordnet ist, dass sie die Werkstücke (2) in die Aufnahmen (31) des Auslagesterns (9) hineinführt.1. Transport device with a transport track (6) for removing workpieces (2) from a cutting or punching device (1) and a delivery star (9) connected downstream of the transport track (6) for setting up the horizontally guided workpieces (2), characterized in that that between the transport track (6) and the delivery star (9) there is a transport and guide unit (8) gripping the workpieces (2) on the underside and / or the top, that the transport and guide unit (8) essentially the has the same transport speed as the transport track (6) and the delivery star (9) and that the transport and guide unit (8) is arranged in such a way that it leads the workpieces (2) into the receptacles (31) of the delivery star (9).
2. Transportvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Transport- und Führungseinheit (8) von einem unteren und/oder einem oberen Transportband (20, 23) gebildet wird.2. Transport device according to claim 1, characterized in that the transport and guide unit (8) is formed by a lower and / or an upper conveyor belt (20, 23).
3. Transportvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Transportband (6) von einem 143. Transport device according to claim 2, characterized in that the conveyor belt (6) by one 14
oder mehreren nebeneinander angeordneten Bändern oder Ringen, insbesondere O-Ringen gebildet wird.or a plurality of bands or rings arranged next to one another, in particular O-rings.
4. Transportvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das untere und das obere Transportband (20, 23) einen gemeinsamen Antrieb aufweisen .4. Transport device according to claim 2 or 3, characterized in that the lower and the upper conveyor belt (20, 23) have a common drive.
5. Transportvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslagestern (9) und die Transport- und Führungseinheit (8) einen gemeinsamen Antrieb aufweisen.5. Transport device according to one of the preceding claims, characterized in that the delivery star (9) and the transport and guide unit (8) have a common drive.
6. Transportvorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass der gemeinsame Antrieb ein Antriebsriemen (26) ist.6. Transport device according to claim 4 or 5, characterized in that the common drive is a drive belt (26).
7. Transportvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslagestern (9) von der Transport- und Führungseinheit (8) angetrieben wird.7. Transport device according to one of the preceding claims, characterized in that the delivery star (9) is driven by the transport and guide unit (8).
8. Transportvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Auslegestern (9) und die Transport- und Führungseinheit (8) , insbesondere 158. Transport device according to one of claims 1 to 3, characterized in that the delivery star (9) and the transport and guide unit (8), in particular 15
das untere und das obere Transportband (20, 23) voneinander getrennte Antriebe aufweisen.the lower and the upper conveyor belt (20, 23) have separate drives.
9. Transportvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass am Ausgang des Auslagesterns (9) an welchem die Werkstücke (2) eine im Wesentlichen vertikale Position einnehmen, eine Aufnahme (10) vorgesehen ist, in welche die Werkstücke9. Transport device according to one of the preceding claims, characterized in that at the outlet of the delivery star (9) at which the workpieces (2) assume a substantially vertical position, a receptacle (10) is provided in which the workpieces
(2) hintereinanderstehend abgelegt werden.(2) placed in a row.
10. Transportvorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Aufnahme (10) ein geschlitztes Ende aufweist, in welche Schlitze der Auslagestern (9) mit seinen Transportfingern (32) eingreift und das Ende der Aufnahme (10) die Werkstücke (2) aus dem Auslagestern (9) aushebt.10. Transport device according to claim 9, characterized in that the receptacle (10) has a slotted end into which slots of the delivery star (9) with its transport fingers (32) engage and the end of the receptacle (10) the workpieces (2) the delivery star (9).
11. Transportvorrichtung nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass sich an die Aufnahme (10) eine rohrähnliche Sammelvorrichtung (11) anschließt.11. Transport device according to claim 9 or 10, characterized in that a tube-like collecting device (11) connects to the receptacle (10).
12. Transportvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die rohrähnliche Sammelvorrichtung (11) von mehreren Stangen (12) gebildet wird, zwischen denen die Werkstücke (2) ggf. mit geringer Reibung geführt werden. 1612. Transport device according to claim 11, characterized in that the tube-like collecting device (11) is formed by a plurality of rods (12), between which the workpieces (2) are optionally guided with low friction. 16
13. Transportvorrichtung nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass eine Transportvorrichtung, insbesondere ein Transportfinger (14) vorgesehen ist, der in den Auslegestern (9) oder die Sammelvorrichtung13. Transport device according to claim 11 or 12, characterized in that a transport device, in particular a transport finger (14) is provided, which in the delivery star (9) or the collecting device
(11) eingreift und in Richtung der Längsachse der Sammelvorrichtung (11) verfahrbar ist.(11) engages and can be moved in the direction of the longitudinal axis of the collecting device (11).
14. Transportvorrichtung nach Anspruch 13 , dadurch gekennzeichnet, dass die Transportvorrichtung nach einer bestimmten Anzahl in der Sammelvorrichtung (11) abgelegter Werkstücke (2) in diese einfahrbar ist.14. Transport device according to claim 13, characterized in that the transport device after a certain number in the collecting device (11) stored workpieces (2) can be moved into this.
15. Transportvorrichtung nach einem der Ansprüche 11 bis 14, dadurch gekennzeichnet, dass im Anschluss an die Sammelvorrichtung (11) eine Übergabekartusche (13) vorgesehen ist.15. Transport device according to one of claims 11 to 14, characterized in that a transfer cartridge (13) is provided in connection to the collecting device (11).
16. Transportvorrichtung nach Anspruch 15, dadurch gekennzeichnet, dass die Übergabekartusche (13) vom Auslass der Sammelvorrichtung (11) orthogonal zur Längsachse der Sammelvorrichtung (11) verfahrbar ist.16. Transport device according to claim 15, characterized in that the transfer cartridge (13) from the outlet of the collecting device (11) can be moved orthogonally to the longitudinal axis of the collecting device (11).
17. Transportvorrichtung nach Anspruch 16, dadurch gekennzeichnet, dass bei mehreren nebeneinander angeordneten Übergabekartuschen (13) diese in 1717. Transport device according to claim 16, characterized in that in the case of a plurality of transfer cartridges (13) arranged next to one another, these in 17
vertikaler Richtung und auseinander verfahrbar, insbesondere auffächerbar sind.vertical direction and apart, in particular can be fanned out.
18. Transportvorrichtung nach einem der Ansprüche 15 bis18. Transport device according to one of claims 15 to
17, dadurchgekennzeichnet, dass eine Auswerfereinheit (19) insbesondere ein in die Übergabekartusche (13) einfahrbarer Stempel (18) vorgesehen ist.17, characterized in that an ejector unit (19) is provided, in particular a stamp (18) which can be moved into the transfer cartridge (13).
19. Transportvorrichtung nach einem der Ansprüche 15 bis19. Transport device according to one of claims 15 to
18, dadurch gekennzeichnet, dass im Anschluss an die Übergabekartusche (13) eine Befüllungskartusche einer Verpackungsmaschine vorgesehen ist . 18, characterized in that a filling cartridge of a packaging machine is provided following the transfer cartridge (13).
EP99907414A 1998-03-25 1999-01-26 Conveyor device Expired - Lifetime EP1066127B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19813139A DE19813139C1 (en) 1998-03-25 1998-03-25 Work conveyor for punch
DE19813139 1998-03-25
PCT/EP1999/000466 WO1999048632A1 (en) 1998-03-25 1999-01-26 Conveyor device

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EP1066127A1 true EP1066127A1 (en) 2001-01-10
EP1066127B1 EP1066127B1 (en) 2002-05-22

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US (1) US6439372B1 (en)
EP (1) EP1066127B1 (en)
AT (1) ATE217817T1 (en)
CA (1) CA2324581A1 (en)
DE (2) DE19813139C1 (en)
WO (1) WO1999048632A1 (en)

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Also Published As

Publication number Publication date
US6439372B1 (en) 2002-08-27
DE59901501D1 (en) 2002-06-27
DE19813139C1 (en) 1999-09-23
EP1066127B1 (en) 2002-05-22
WO1999048632A1 (en) 1999-09-30
CA2324581A1 (en) 1999-09-30
ATE217817T1 (en) 2002-06-15

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