EP0142007B1 - Packaging machine - Google Patents

Packaging machine Download PDF

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Publication number
EP0142007B1
EP0142007B1 EP84111931A EP84111931A EP0142007B1 EP 0142007 B1 EP0142007 B1 EP 0142007B1 EP 84111931 A EP84111931 A EP 84111931A EP 84111931 A EP84111931 A EP 84111931A EP 0142007 B1 EP0142007 B1 EP 0142007B1
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EP
European Patent Office
Prior art keywords
packaging machine
control unit
moveable drive
packaging
adjusting screws
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.)
Expired
Application number
EP84111931A
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German (de)
French (fr)
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EP0142007A1 (en
Inventor
Josef Dipl.-Ing. Denk
Walter Dipl.-Ing. Dietrich
Otto Ing. Grad. Weller
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0142007A1 publication Critical patent/EP0142007A1/en
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Publication of EP0142007B1 publication Critical patent/EP0142007B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material

Definitions

  • the invention relates to a packaging machine according to the preamble of the main claim.
  • the individual processing and handling devices such as Feeding, conveying, folding, shaping and closing devices set up adjustable.
  • the adjustable parts have slots through which releasable clamping screws engage, or they are fastened to slide guides which can be adjusted in a finely adjustable manner using adjusting screws.
  • the conversion of the known machines to another format takes a lot of time.
  • Cartoning machines in which individual tools and components are equipped with a motor-driven adjusting device have also become known.
  • the adjustment devices provided with a position transmitter can be controlled by a central control device in which format-dependent data are stored.
  • Such adjustment devices are advantageous on components that are difficult to see and access. Equipping all the tools and components of a packaging machine that can be converted depending on the format requires a very high level of construction. Furthermore, there is no space available for drive motors in many places on the machine.
  • the packaging machine according to the invention with the characterizing features of the main claim has the advantage that a format change can be carried out selectively and very quickly and readjustments can be omitted.
  • a format change can be carried out by an operator who does not have extensive machine knowledge and experience, but can be trained.
  • control unit can control the predetermined target positions of the components quickly and precisely.
  • FIG. 1 shows a cartoning machine simplified in a diagrammatic representation
  • FIG. 2 shows a folding device of the packaging machine according to FIG. 1 with an adjusting device in a diagrammatic representation
  • FIG. 3 simplifies the mobile drive for support devices
  • FIG. 4 shows a block diagram of a control for the mobile drive.
  • a cartoning machine 10 which is shown by way of example for a packaging machine, has a product feed device 11, a brochure folder 12, a folding box magazine 13, a folding box conveyor device 14 with driver fingers 15, a product insertion device 16, a folding and closing device 17, an outlet 18 and a control device 19.
  • the devices 11 to 18 of the cartoning machine 10 have adjustable tools and components in a certain range, so that the machine for packing objects with different dimensions in folding boxes 1 with adapted length, width and height can be changed.
  • FIG. 2 For the convertibility of the devices 11 to 18, only one folding rail 20 of the folding and closing device 17 for folding over an insertion flap 2 on a front flap 3 of the folding boxes 1 is shown and explained by way of example (FIG. 2).
  • the folding rail 20 is to be positioned in a specific position with respect to support rails 21, 22 of the conveying device 14, a folding switch 23 and a folding slide 24 which is moved in cycles.
  • the folding rail 20 is carried by an angled arm 26 which is attached to a carriage 27 a sliding guide 25 is fastened with screws 28.
  • the carriage 27 is displaceable on a guide rail 30 which extends in a horizontal plane transversely to the conveying direction of the folding box conveyor 14 and the longitudinal extent of the folding rail 20.
  • a set screw 32 is rotatably but not axially displaceably mounted in a bearing block 31 on the guide rail 30 and engages with its threaded part in a threaded bore 34 of an eye 33 on the carriage 27.
  • the set screw 32 has a head 35 with a hexagon recess 36 with which a hexagon pin of a tool can be coupled in a form-fitting manner.
  • the carriage 27 with the arm 26 and the folding rail 20 is moved horizontally.
  • the one end position of the slide 27, in which the slide 27 rests on the foot of the bearing block 31 on the rail 30, is referred to as the reference zero position, which will be discussed in more detail below.
  • the guide rail 30 is not rigidly attached to the machine frame 37, but can be moved vertically with a right-angled arm 38 in a carriage 40 fixed to the machine frame 37 with screws 39.
  • the second slide guide 41 consisting of the arm 38 and the slide 40 has, like the slide guide 25, an adjusting screw 32 with a head 35 and an eye 33 with a threaded bore 34 as well as a bearing block 31.
  • the guide rail 30 has an elongated hole 43 in extension to the set screw 32.
  • the arm 26 has an opening 44 through which the guide rail 30 engages.
  • a releasable locking screw 45 is screwed into the slide 27, 40 and presses on the guide rail 30 or 38.
  • the other devices 11 to 18 and their components are equipped, which can be adjusted to different formats of the products to be packaged and the folding boxes used, with a single slide guide for one-dimensional adjustment and two for two-dimensional adjustment angularly coupled sliding guides are arranged.
  • the coupling piece 51 can also be arranged on an extension which can be connected to the drive unit 50.
  • the drive unit 50 contains an electric motor 49 which can be switched in the direction of rotation and a position transmitter 52.
  • the position transmitter 52 which generates electrical signals as a function of the respective position of a sliding guide, is preferably of the type which generates a specific number of electrical pulses per revolution.
  • the drive unit 50 has a push-button contact 53 which can be actuated by finger.
  • the drive unit 50 is connected to a switching device 55 by means of a multi-core cable 54.
  • This switching device 55 can in turn be connected by means of a cable 56 and a plug 57 to one of a plurality of connections 58 of a distributor or ring line 59 which leads to the central control device 19.
  • the switching device 55 has a light indicator 61 for the identification number of the changeover point to be addressed, a light indicator 62 for the position, an input keyboard 63 with preselection keys for entering, deleting and correcting numbers of the changeover points and positions, as well as a plurality of indicator lights 64 an amplifier 65 is provided.
  • the switching device 55 which can also be attached to the mobile drive unit 50, is not stationary, like the mobile drive unit, so that the operator takes it together with the mobile drive unit 50 to the respective changeover point of the machine to be started and initiate and monitor a changeover there can.
  • control device 19 also has an input keyboard 71 with the same functions as that of the input keyboard 61.
  • control device 19 has two operating mode switches 68, 69.
  • a monitor 72 is arranged on the control device 19, on which the operator can see Information and instructions can be displayed under program control.
  • control unit 19 contains a memory 73 for storing the data of the individual changeover points of the machine, provided with identification numbers, for several formats, as well as programs for the sequence of the changeovers. The stored and entered data and signals are processed by a microprocessor 74 and forwarded as signals.
  • the keyboard 71, the monitor 72, the memory 73, the microprocessor 74, the switching device 55 and the mobile drive unit 50 are connected to one another via two interfaces 75, 76. Signals about the respective positions of movable components and tools of the machine can also be input into the control system via the interface 75.
  • the individual programs and data are stored in the memory 73. If the data exceeds the capacity of the memory 73, other programs can also be introduced into the control device 19 on floppy disks and similar data carriers.
  • the data for the individual programs can be entered into the memory via the keyboard 71 of the control unit on the basis of the known displacement paths. However, they can also be recorded and entered empirically by first adjusting the changeover points manually to the format and then sliding the sliding guide 25 of each changeover point back to the reference zero position with the mobile drive unit 50.
  • the signals generated by the position transmitter 52 of the drive unit 50 are forwarded to the microprocessor 74, evaluated by the latter and stored in the memory 73.
  • stationary drive units are arranged at changeover points that are not accessible, which in addition to a drive motor also have a position transmitter. These changeover points are set during the course of the selected program or by input from the operator via the keyboard 71 of the control unit 19.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Closing Of Containers (AREA)
  • Container Filling Or Packaging Operations (AREA)

Description

Stand der TechnikState of the art

Die Erfindung geht aus von einer Verpackungsmaschine nach der Gattung des Hauptanspruchs. Zum Anpassen der Maschine an die Form und Grösse der jeweils zu verpackenden Produkte und der dazu verwendeten Packmittel, wie Schachteln, Beutel, Einwickler, Dosen, Flaschen, Schalen und dergleichen - in Fachkreisen Formatumstellung genannt-, sind die einzelnen Bearbeitungs- und Handhabungsvorrichtungen, wie Zuführ-, Förder-, Falt-, Form- und Schliessvorrichtungen einstellbar eingerichtet. Dazu haben, wie beispielsweise die US-PS 3509681 zeigt, die verstellbaren Teile Schlitze, durch die lösbare Klemmschrauben greifen, oder sie sind an Gleitführungen befestigt, die mit Stellschrauben fein einstellbar verschiebbar sind. Die Umstellung der bekannten Maschinen auf ein anderes Format erfordert jeweils viel Zeit. Bei komplizierten Maschinen, beispielsweise Kartoniermaschinen, sind dazu bis zu hundert und auch mehr Teile und Werkzeuge jeweils neu einzustellen. Ferner setzt eine Formatumstellung umfangreiche Kenntnisse und Erfahrungen der Bedienungsperson voraus, da die einzelnen Bauteile und Werkzeuge anhand von Produkt- und Packmittelmustern eingestellt werden müssen. An vielen Stellen ist die Einstellung auch von der Stellung eines voreingestellten Teiles abhängig, so dass nach einer Falscheinstellung eines ersten Teils oder Werkzeugs, dieses und davon abhängige Teile wieder nachgestellt werden müssen. Schliesslich kommt hinzu, dass nach abgeschlossener Umstellung der Maschine wegen der Toleranzen und Schwankungen der Produkte und Packmittel wiederholt Nachjustierungen vorgenommen werden müssen, um einen störungsfreien Betrieb sicherzustellen. Solche nachträglichen Justierungen erfordern oft ein Vielfaches der vorgängigen Umstellzeit.The invention relates to a packaging machine according to the preamble of the main claim. To adapt the machine to the shape and size of the products to be packaged and the packaging used, such as boxes, bags, wrappers, cans, bottles, bowls and the like - called format change in specialist circles - are the individual processing and handling devices, such as Feeding, conveying, folding, shaping and closing devices set up adjustable. For this purpose, as shown, for example, in US Pat. No. 3,509,681, the adjustable parts have slots through which releasable clamping screws engage, or they are fastened to slide guides which can be adjusted in a finely adjustable manner using adjusting screws. The conversion of the known machines to another format takes a lot of time. In the case of complicated machines, for example cartoning machines, up to a hundred or more parts and tools have to be reset. Furthermore, a format changeover requires extensive knowledge and experience of the operator, since the individual components and tools have to be set using product and packaging samples. In many places, the setting also depends on the position of a preset part, so that after a wrong setting of a first part or tool, this and parts dependent on it must be readjusted. Finally, after the machine has been converted, readjustments have to be carried out repeatedly to ensure trouble-free operation due to the tolerances and fluctuations in the products and packaging. Such subsequent adjustments often require a multiple of the previous changeover time.

Es sind auch schon Kartoniermaschinen bekanntgeworden, bei denen einzelne Werkzeuge und Bauteile mit einer motorgetriebenen Verstelleinrichtung ausgerüstet sind. Die mit einem Positionsgeber versehenen Verstelleinrichtungen können von einem zentralen Steuergerät angesteuert werden, in dem formatabhängige Daten gespeichert sind. Solche Verstelleinrichtungen sind an Bauteilen von Vorteil, die schlecht einsehbar und zugänglich sind. Alle formatabhängig umstellbaren Werkzeuge und Bauteile einer Verpackungsmaschine derart auszurüsten, erfordert einen sehr hohen Bauaufwand. Ferner steht an vielen Stellen der Maschine für Antriebsmotoren kein Platz zur Verfügung.Cartoning machines in which individual tools and components are equipped with a motor-driven adjusting device have also become known. The adjustment devices provided with a position transmitter can be controlled by a central control device in which format-dependent data are stored. Such adjustment devices are advantageous on components that are difficult to see and access. Equipping all the tools and components of a packaging machine that can be converted depending on the format requires a very high level of construction. Furthermore, there is no space available for drive motors in many places on the machine.

Es ist daher Aufgabe der Erfindung, eine Verpakkungsmaschine so einzurichten, dass eine Formatumstellung in kurzer Zeit und möglichst unter Vermeidung von Nachjustierungen durchführbar ist.It is therefore an object of the invention to set up a packaging machine in such a way that a format changeover can be carried out in a short time and as far as possible while avoiding readjustments.

Vorteile der ErfindungAdvantages of the invention

Die erfindungsgemässe Verpackungsmaschine mit den kennzeichnenden Merkmalen des Hauptanspruchs hat den Vorteil, dass eine Formatumstellung gezielt und sehr schnelldurchgeführtwerden kann und Nachjustierungen unterbleiben können. Ausserdem kann eine Formatumstellung von einer Bedienungsperson vorgenommen werden, welche keine umfangreichen Maschinenkenntsnisse und Erfahrungen hat, sondern angelernt sein kann.The packaging machine according to the invention with the characterizing features of the main claim has the advantage that a format change can be carried out selectively and very quickly and readjustments can be omitted. In addition, a format change can be carried out by an operator who does not have extensive machine knowledge and experience, but can be trained.

Durch die in den Unteransprüchen aufgeführten Massnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Hauptanspruch angegebenen Verpackungsmaschine möglich. Insbesondere ist dabei die Anzeige der jeweils zu betätigenden Umstellstelle vorteilhaft, so dass die einzelnen Umstellstellen in der richtigen Reihenfolge von der Bedienungsperson angegangen werden können.The measures listed in the subclaims permit advantageous developments and improvements of the packaging machine specified in the main claim. In particular, the display of the changeover point to be actuated is advantageous, so that the individual changeover points can be addressed by the operator in the correct order.

Bei einem Verfahren zum Formatumstellen einer Verpackungsmaschine nach dem Hauptanspruch lassen sich durch die Steuerung des Steuergeräts die vorgegebenen Sollstellungen der Bauteile schnell und präzise einstellen.In a method for changing the format of a packaging machine according to the main claim, the control unit can control the predetermined target positions of the components quickly and precisely.

Zeichnungdrawing

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen Figur 1 eine Kartoniermaschine vereinfacht in schaubildlicher Darstellung, Figur 2 eine Falteinrichtung der Verpackungsmaschine nach Figur 1 mit einer Verstelleinrichtung in schaubildlicher Darstellung, Figur 3 mobilen Antrieb für Stelfeinrichtungen vereinfacht und Figur 4 ein Blockschaltbild einer Steuerung für den mobilen Antrieb.An embodiment of the invention is shown in the drawing and explained in more detail in the following description. FIG. 1 shows a cartoning machine simplified in a diagrammatic representation, FIG. 2 shows a folding device of the packaging machine according to FIG. 1 with an adjusting device in a diagrammatic representation, FIG. 3 simplifies the mobile drive for support devices and FIG. 4 shows a block diagram of a control for the mobile drive.

Beschreibung des AusführungsbeispielsDescription of the embodiment

Eine Kartoniermaschine 10, die beispielhaft für eine Verpackungsmaschine dargestellt ist, hateine Produktzuführeinrichtung 11, einen Prospekt-Falzapparat 12, ein Faltschachtel-Magazin 13, eine Faltschachtel-Fördereinrichtung 14 mit Mitnehmerfingem 15, eine Produkt-Einschubeinrichtung 16, eine Falt- und Schliesseinrichtung 17, einen Auslauf 18 und ein Steuergerät 19. Die Einrichtungen 11 bis 18 der Kartoniermaschine 10 haben in einem bestimmten Bereich einstellbare Werkzeuge und Bauteile, so dass die Maschine zum Verpacken von Gegenständen mit verschiedenen Abmessungen in Faltschachteln 1 mit angepasster Länge, Breite und Höhe ein- oder umgestellt werden kann.A cartoning machine 10, which is shown by way of example for a packaging machine, has a product feed device 11, a brochure folder 12, a folding box magazine 13, a folding box conveyor device 14 with driver fingers 15, a product insertion device 16, a folding and closing device 17, an outlet 18 and a control device 19. The devices 11 to 18 of the cartoning machine 10 have adjustable tools and components in a certain range, so that the machine for packing objects with different dimensions in folding boxes 1 with adapted length, width and height can be changed.

Für die Umstetlbarkeit der Einrichtungen 11 bis 18 ist im folgenden beispielhaft lediglich eine Faltschiene 20 der Falt- und Schliesseinrichtung 17 zum Umlegen eines Einstecklappens 2 an einer Stirnlasche 3 der Faltschachteln 1 darstellt (Figur 2) und erläutert. Je nach der Länge und Höhe der verarbeiteten Faltschachteln 1 ist die Faltschiene 20 in einer bestimmten Stellung in bezug zu Tragschienen 21, 22 der Fördereinrichtung 14, einer Faltweiche 23 und einem taktweise bewegten Faltschieber 24 zu positionieren.For the convertibility of the devices 11 to 18, only one folding rail 20 of the folding and closing device 17 for folding over an insertion flap 2 on a front flap 3 of the folding boxes 1 is shown and explained by way of example (FIG. 2). Depending on the length and height of the processed folding boxes 1, the folding rail 20 is to be positioned in a specific position with respect to support rails 21, 22 of the conveying device 14, a folding switch 23 and a folding slide 24 which is moved in cycles.

Die Faltschiene 20 wird von einem abgewinkelten Arm 26 getragen, der an einem Schlitten 27 einer Gleitführung 25 mit Schrauben 28 befestigt ist. Der Schlitten 27 ist auf einer Führungsschiene 30 verschiebbar, die sich in waagrechter Ebene quer zur Förderrichtung der Faltschachtel-Fördereinrichtung 14 und der Längserstreckung der Faltschiene 20 erstreckt. Zum Verschieben des Schlittens 27 auf der Führungsschiene 30 ist in einem Lagerbock 31 auf der Führungsschiene 30 eine Stellschraube 32 drehbar aber nicht axial verschiebbar gelagert, die mit ihrem Gewindeteil in eine Gewindebohrung 34 eines Auges 33 am Schlitten 27 greift. Die Stellschraube 32 hat einen Kopf 35 mit einer Sechskantaussparung 36, mit der ein Sechskantzapfen eines Werkzeugs formschlüssig kuppelbar ist. Durch Drehen der Stellschraube 32 in der einen oder anderen Richtung wird der Schlitten 27 mit dem Arm 26 und der Faltschiene 20 waagrecht verschoben. Die eine Endstellung des Schlittens 27, in der der Schlitten 27 am Fuss des Lagerbocks 31 auf der Schiene 30 anliegt, wird als Bezugs-Nullstellung bezeichnet, auf die weiter unten noch näher eingegangen wird.The folding rail 20 is carried by an angled arm 26 which is attached to a carriage 27 a sliding guide 25 is fastened with screws 28. The carriage 27 is displaceable on a guide rail 30 which extends in a horizontal plane transversely to the conveying direction of the folding box conveyor 14 and the longitudinal extent of the folding rail 20. To move the carriage 27 on the guide rail 30, a set screw 32 is rotatably but not axially displaceably mounted in a bearing block 31 on the guide rail 30 and engages with its threaded part in a threaded bore 34 of an eye 33 on the carriage 27. The set screw 32 has a head 35 with a hexagon recess 36 with which a hexagon pin of a tool can be coupled in a form-fitting manner. By turning the adjusting screw 32 in one direction or the other, the carriage 27 with the arm 26 and the folding rail 20 is moved horizontally. The one end position of the slide 27, in which the slide 27 rests on the foot of the bearing block 31 on the rail 30, is referred to as the reference zero position, which will be discussed in more detail below.

Da die Faltschiene 20 auch in ihrer Höhenlage einstellbar sein muss, ist die Führungsschiene 30 nicht starr am Maschinengestell 37 befestigt, sondern mit einem rechtwinklig abgewinkelten Arm 38 in einem ortsfest am Maschinengestell 37 mit Schrauben 39 befestigten Schlitten 40 senkrecht verschiebbar. Dieausdem Arm 38 und dem Schlitten 40 bestehende zweite Gleitführung 41 hat gleichermassen wie die Gleitführung 25 eine Stellschraube 32 mit Kopf 35 und ein Auge 33 mit Gewindebohrung 34 sowie einen Lagerbock 31. Damit der unterhalb der Führungsschiene 30 angeordnete Kopf 35 der Stellschraube 32 der zweiten Gleitführung 41 von oben her zum Ankuppeln eines Werkzeugs zugänglich ist, hat die Führungsschiene 30 in Verlängerung zu der Stellschraube 32 ein Langloch 43. Ferner hat der Arm 26 einen Durchbruch 44, durch den die Führungsschiene 30 greift. Um die Gleitführungen 25, 41 in bestimmten Stellungen festzustellen, ist in den Schlitten 27, 40 eine lösbare Feststellschraube 45 eingeschraubt, welche auf die Führungsschiene 30 bzw. 38 drückt.Since the folding rail 20 must also be adjustable in its height, the guide rail 30 is not rigidly attached to the machine frame 37, but can be moved vertically with a right-angled arm 38 in a carriage 40 fixed to the machine frame 37 with screws 39. The second slide guide 41 consisting of the arm 38 and the slide 40 has, like the slide guide 25, an adjusting screw 32 with a head 35 and an eye 33 with a threaded bore 34 as well as a bearing block 31. Thus the head 35 of the adjusting screw 32 of the second slide guide arranged below the guide rail 30 41 is accessible from above for coupling a tool, the guide rail 30 has an elongated hole 43 in extension to the set screw 32. Furthermore, the arm 26 has an opening 44 through which the guide rail 30 engages. In order to determine the sliding guides 25, 41 in certain positions, a releasable locking screw 45 is screwed into the slide 27, 40 and presses on the guide rail 30 or 38.

Mit den gleichen, oben beschriebenen Gleitführungen 25, 41 sind auch die anderen Einrichtungen 11 bis 18 und deren Bauteile ausgerüstet, die auf verschiedene Formate der zu verpackenden Produkte und der verwendeten Faltschachteln einstellbar sind, wobei bei eindimensionaler Verstellung eine einzige Gleitführung und bei zweidimensionaler Einstellung zwei winkelig gekuppelte Gleitführungen angeordnet sind.With the same slide guides 25, 41 described above, the other devices 11 to 18 and their components are equipped, which can be adjusted to different formats of the products to be packaged and the folding boxes used, with a single slide guide for one-dimensional adjustment and two for two-dimensional adjustment angularly coupled sliding guides are arranged.

Zum Verstellen der Gleitführungen dient eine mobile, von Hand zu führende Drehantriebseinheit 50 mit einem Kupplungsstück 51, das formschlüssig mit der Sechskantaussparung 36 des Kopfes 35 der Stellschrauben 32 kuppelbar ist. Das Kupplungsstück 51 kann auch an einer Verlängerung angeordnet sein, die mit der Antriebseinheit 50 verbindbar ist. Die Antriebseinheit 50 enthält einen drehrichtungsumschaltbaren Elektromotor 49 und einen Positionsgeber 52. Der Positionsgeber 52, der elektrische Signale in Abhängigkeit von der jeweiligen Stellung einer Gleitführung erzeugt, ist vorzugsweise von der Art, die pro Umdrehung eine bestimmte Anzahl von elektrischen Impulsen erzeugt. Zum Einschalten des Elektromotors 49 hat die Antriebseinheit 50 einen fingerbetätigbaren Druckknopfkontakt 53. Zum Versorgen mit elektrischer Energie und zum Weiterleiten der elektrischen Signale des Positionsgebers 52 ist die Antriebseinheit 50 mittels eines mehradrigen Kabels 54 mit einem Schaltgerät 55 verbunden. Dieses Schaltgerät 55 ist wiederum mittels eines Kabels 56 und eines Steckers 57 mit einem von mehreren Anschlüssen 58 einer Verteiler- oder Ringleitung 59 verbindbar, die zu dem zentralen Steuergerät 19 führt.A mobile, manually operated rotary drive unit 50 with a coupling piece 51, which can be positively coupled to the hexagon recess 36 of the head 35 of the set screws 32, is used to adjust the sliding guides. The coupling piece 51 can also be arranged on an extension which can be connected to the drive unit 50. The drive unit 50 contains an electric motor 49 which can be switched in the direction of rotation and a position transmitter 52. The position transmitter 52, which generates electrical signals as a function of the respective position of a sliding guide, is preferably of the type which generates a specific number of electrical pulses per revolution. To switch on the electric motor 49, the drive unit 50 has a push-button contact 53 which can be actuated by finger. To supply electrical energy and to forward the electrical signals of the position transmitter 52, the drive unit 50 is connected to a switching device 55 by means of a multi-core cable 54. This switching device 55 can in turn be connected by means of a cable 56 and a plug 57 to one of a plurality of connections 58 of a distributor or ring line 59 which leads to the central control device 19.

Das Schaltgerät 55 hat eine Leuchtanzeige 61 für die Kennummer der jeweils anzugehenden Umstellstelle, eine Leuchtanzeige 62 für die Position, eine Eingabetastatur 63 mit Vorwahltasten zum Eingeben, Löschen und Korrigieren von Nummern der Umstellstellen und von Positionen sowie mehrere Kontrolleuchten 64. Ferner ist im Schaltgerät 55 ein Verstärker 65 vorgesehen. Das Schaltgerät 55, dass auch an der mobilen Antriebeinheit 50 befestigt sein kann, ist ebenso wie die mobile Antriebseinheit nicht ortsfest, so dass die Bedienungsperson dieses zusammen mit der mobilen Antriebseinheit 50 an die jeweils anzugehende Umstellstelle der Maschine mitnehmen und dort eine Umstellung einleiten und überwachen kann.The switching device 55 has a light indicator 61 for the identification number of the changeover point to be addressed, a light indicator 62 for the position, an input keyboard 63 with preselection keys for entering, deleting and correcting numbers of the changeover points and positions, as well as a plurality of indicator lights 64 an amplifier 65 is provided. The switching device 55, which can also be attached to the mobile drive unit 50, is not stationary, like the mobile drive unit, so that the operator takes it together with the mobile drive unit 50 to the respective changeover point of the machine to be started and initiate and monitor a changeover there can.

Ebenso wie das Schaltgerät 55 hat auch das Steuergerät 19 eine Eingabetastatur 71 mit den gleichen Funktionen wie die der Eingabetastatur 61. Zusätzlich hat das Steuergerät 19 zwei Betriebsartenschalter 68, 69. Ausserdem ist am Steuergerät 19 ein Monitor 72 sichtbar angeordnet, auf dem für die Bedienungsperson Informationen und Anweisungen programmiert gesteuert angezeigt werden. Ferner enthält das Steuergerät 19 einen Speicher 73 zum Speichern der Daten der einzelnen, mit Kennummern versehenen Umstellstellen der Maschine für mehrere Formate sowie von Programmen für den Ablauf der Umstellungen. Die gespeicherten und eingegebenen Daten und Signale werden von einem Mikroprozessor 74 verarbeitet und als Signale weitergeleitet. Dazu sind die Tastatur 71, der Monitor 72, der Speicher 73, der Mikroprozessor 74, das Schaltgerät 55 und die mobile Antriebseinheit 50 über zwei Schnittstellen 75, 76 miteinander verbunden. Über die Schnittstelle 75 sind ferner Signale über jeweilige Stellungen von beweglichen Bauteilen und Werkzeugen der Maschine in die Steuerung eingebbar.Like the switching device 55, the control device 19 also has an input keyboard 71 with the same functions as that of the input keyboard 61. In addition, the control device 19 has two operating mode switches 68, 69. In addition, a monitor 72 is arranged on the control device 19, on which the operator can see Information and instructions can be displayed under program control. Furthermore, the control unit 19 contains a memory 73 for storing the data of the individual changeover points of the machine, provided with identification numbers, for several formats, as well as programs for the sequence of the changeovers. The stored and entered data and signals are processed by a microprocessor 74 and forwarded as signals. For this purpose, the keyboard 71, the monitor 72, the memory 73, the microprocessor 74, the switching device 55 and the mobile drive unit 50 are connected to one another via two interfaces 75, 76. Signals about the respective positions of movable components and tools of the machine can also be input into the control system via the interface 75.

Die Einstellung eines Formats geht folgendermassen vor sich:

  • Bei stillstehender Maschine stellt die Bedienungsperson zunächst den Schalter 68 auf "Einrichten" und den Schalter 69 auf "Formaldaten-Abruf" und gibt dann über die Tastatur 71 am Steuergerät 19 oder die Tastatur 63 am Schaltgerät 55 die dem einzustellenden Format zugeordnete Kennummer in das Steuergerät ein. Die eingegebene Formatkennummer wird auf dem Monitor 72 angezeigt. Ferner wird darauf auf dem Monitor die Nummer der zuerst anzugehenden Umstellstelle und deren Bezeichnung angegeben. Die Nummer der anzugehenden Umstellstelle wird in gleicher Weise in der Leuchtanzeige 61 des Schaltgeräts 55 angezeigt. Die Bedienungsperson geht nun mit der mobilen Antriebseinheit 50 und dem Schaltgerät 55 zu der angezeigten Umstellstelle und kuppelt das Kupplungsstück 51 mit dem Kopf 35 der Stellschraube 32 der betreffenden Umstellstelle. Durch Drücken des Druckknopfkontaktes 53 meldet die Bedienungsperson dem Steuergerät 19 die Umstellbereitschaft. Gesteuert durch das eingegebene Programm schaltet darauf das Steuergerät 19 die mobile Antriebseinheit 50 zunächst auf Linkslauf, so dass die betreffende Gleitführung 25 zunächst in ihre Bezugs-Nullstellung verbracht wird. Nach Erreichen der Nullstellung wird aufgrund des plötzlich ansteigenden Stromes die Drehrichtung der Antriebseinheit 50 vom Rechner umgekehrt, so dass die Gleitführung 25 in Richtung auf die neue Position bewegt wird. Dabei werden die vom Positionsgeber 52 der Antriebseinheit 50 erzeugten Impulse an das Steuergerät 19 weitergeleitet, in dem ein Ist/Sollwertvergleich durchgeführt wird. Beim Auswerten der Signale wird die Antriebseinheit 50 kurz vor Erreichen der Endposition vom Eilgang auf Schleichgang umgeschaltet und bei Erreichen der vorgegebenen Position des Motors 49 der Antriebseinheit 50 abgeschaltet. Der von der Bezugsstellung aus zurückgelegte Verstellweg wird in Millimeter in der Leuchtanzeige 62 des Schaltgeräts 55 angezeigt und kann mit dem auf dem Monitor 72 ebenfalls angezeigten Sollwert verglichen werden. Stimmen die beiden Werte überein, quittiert die Bedienungsperson durch Drücken der Quittiertaste der Tastatur 63 des Schaltgeräts 55 den Abschluss der durchgeführten Umstellung an der vorgegebenen Umstellstelle. Darauf erscheinen auf dem Monitor 72 die Nummer und Bezeichnung der nun anzugehenden nächsten Umstellstetle und der Einstellweg. Ebenso wird die Nummer der nächsten Umstellstelle in der Leuchtanzeige 61 des Schaltgeräts 55 angezeigt. Die Bedienungsperson sucht mit der mobilen Antriebseinheit 50 die angezeigte Umstellstelle auf und verfährt in analoger Weise, wie oben beschrieben. Die vorprogrammierten Arbeitsspiele werden in gleicher Weise fortgesetzt, bis alle Umstellstellen auf das neue Format eingestellt sind.
A format is set as follows:
  • When the machine is at a standstill, the operator first sets the switch 68 to " set up" and the switch 69 to " formal data retrieval" and then uses the keyboard 71 on the control device 19 or the keyboard 63 on the switching device 55 to enter the identification number assigned to the format to be set into the control device a. The format number entered is displayed on the monitor 72 displayed. In addition, the number of the changeover point to be started first and its name are indicated on the monitor. The number of the changeover point to be addressed is shown in the same way in the illuminated display 61 of the switching device 55. The operator now goes with the mobile drive unit 50 and the switching device 55 to the displayed changeover point and couples the coupling piece 51 to the head 35 of the adjusting screw 32 of the changeover point concerned. By pressing the push button contact 53, the operator reports to the control unit 19 that it is ready to change over. Controlled by the entered program, the control unit 19 then switches the mobile drive unit 50 to counterclockwise rotation, so that the slide guide 25 concerned is first brought into its reference zero position. After reaching the zero position, the direction of rotation of the drive unit 50 is reversed by the computer due to the suddenly increasing current, so that the sliding guide 25 is moved in the direction of the new position. The pulses generated by the position transmitter 52 of the drive unit 50 are forwarded to the control unit 19, in which an actual / target value comparison is carried out. When evaluating the signals, the drive unit 50 is switched from rapid to creep speed shortly before reaching the end position and is switched off when the predetermined position of the motor 49 of the drive unit 50 is reached. The adjustment path covered from the reference position is displayed in millimeters in the illuminated display 62 of the switching device 55 and can be compared with the setpoint value also displayed on the monitor 72. If the two values match, the operator acknowledges the completion of the changeover carried out at the predetermined changeover point by pressing the acknowledge key on the keyboard 63 of the switching device 55. The number and designation of the next changeover point to be started and the setting path then appear on the monitor 72. The number of the next changeover point is also shown in the light display 61 of the switching device 55. With the mobile drive unit 50, the operator visits the displayed changeover point and proceeds in an analogous manner to that described above. The preprogrammed work cycles are continued in the same way until all changeover points are set to the new format.

Die einzelnen Programme und Daten sind im Speicher 73 gespeichert. Übersteigen die Daten die Kapazität des Speichers 73, so können andere Programme auch auf Disketten und ähnlichen Datenträgern in das Steuergerät 19 eingeführt werden. Die Daten für die einzelnen Programme können aufgrund der bekannten Verschiebewege über die Tastatur 71 des Steuergeräts in den Speicher eingegeben werden. Sie können aber auch empirisch erfasst und eingegeben werden, indem die Umstellstellen zunächst von Hand auf das Format angepasst eingestellt werden und darauf die G leitführung 25 einer jeden Umstellstelle mit der mobilen Antriebseinheit 50 auf die Bezugs-Nullstellung zurückverschoben wird. Die dabei vom Positionsgeber 52 der Antriebseinheit 50 erzeugten Signale werden an den Mikroprozessor 74 weitergeleitet, von diesem ausgewertet und im Speicher 73 abgespeichert.The individual programs and data are stored in the memory 73. If the data exceeds the capacity of the memory 73, other programs can also be introduced into the control device 19 on floppy disks and similar data carriers. The data for the individual programs can be entered into the memory via the keyboard 71 of the control unit on the basis of the known displacement paths. However, they can also be recorded and entered empirically by first adjusting the changeover points manually to the format and then sliding the sliding guide 25 of each changeover point back to the reference zero position with the mobile drive unit 50. The signals generated by the position transmitter 52 of the drive unit 50 are forwarded to the microprocessor 74, evaluated by the latter and stored in the memory 73.

Ergänzend wird bemerkt, dass an Umstellstellen, die nicht zugänglich sind, vorzugsweise stationäre Antriebseinheiten angeordnet sind, die neben einem Antriebsmotor auch einen Positionsgeber aufweisen. Die Einstellung dieser Umstellstellen erfolgt während des Ablaufs des gewählten Programms oder durch Eingabe von der Bedienungsperson über die Tastatur 71 des Steuergeräts 19.In addition, it is noted that preferably stationary drive units are arranged at changeover points that are not accessible, which in addition to a drive motor also have a position transmitter. These changeover points are set during the course of the selected program or by input from the operator via the keyboard 71 of the control unit 19.

Claims (6)

1. Packaging machine with devices for feeding the products to be packaged and for conveying, shaping and treating the packaging means (1), in which components which are displaceable by means of adjusting screws (32) and which can be set to different formats of the products and of the packaging means (1) are provided at several conversion points, characterized in that the adjusting screws (32) each have an identical coupling part (35), in that there is a moveable drive (50) having a coupling counterpart (51 ) which can be coupled to the coupling parts of the adjusting screws, and in that the moveable drive is connected to a control unit (19) which stores set values of different pack formats for the individual components.
2. Packaging machine according to Claim 1, characterized in that assigned to the moveable drive (50) is a position transmitter (52) which feeds the adjusting travel of a component in the form of electrical signals to the control unit (19), in which a desired-value/actual-value comparison is made and which stops the moveable drive when the desired and actual values are identical.
3. Packaging machine according to Claim 2, characterized in that the position transmitter (52) is designed to transmit digital signals which are dependent on the travel.
4. Packaging machine according to Claims 1 to 3, characterized in that the control unit (19) has a memory (73) for storing the set values of the components for several formats and a computer (74) which, when a specific conversion point is selected, predetermines the desired adjustment value and, after the moveable drive (50) has been put into operation and the component has reached the desired position, stops the moveable drive again.
5. Process for converting the format of a packaging machine which possesses devices for feeding the products to be packaged and for conveying, shaping and treating the packaging means, and which has at several conversion points components which are displaceable by means of adjusting screws (32) and which can be set to different formats of the products and of the packaging means, according to one of Claims 1 to 4, characterized in that the adjusting screws (32) are coupled to the same moveable drive (50) in succession, and in that any particular component (20) is displaced by means of the drive first into a zero reference position and then into the desired position, the adjusting movement being monitored and controlled by a control unit (19).
6. Process according to Claim 5, characterized in that the control unit (19) displays a particular conversion point to be approached as a function of an entered and selected program.
EP84111931A 1983-11-04 1984-10-05 Packaging machine Expired EP0142007B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3339924 1983-11-04
DE19833339924 DE3339924A1 (en) 1983-11-04 1983-11-04 PACKING MACHINE

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EP0142007A1 EP0142007A1 (en) 1985-05-22
EP0142007B1 true EP0142007B1 (en) 1986-06-04

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EP84111931A Expired EP0142007B1 (en) 1983-11-04 1984-10-05 Packaging machine

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US (1) US4554777A (en)
EP (1) EP0142007B1 (en)
JP (1) JPS60110631A (en)
DE (2) DE3339924A1 (en)

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Also Published As

Publication number Publication date
JPS60110631A (en) 1985-06-17
EP0142007A1 (en) 1985-05-22
DE3460200D1 (en) 1986-07-10
US4554777A (en) 1985-11-26
DE3339924A1 (en) 1985-05-15

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