EP1529751B1 - Machine for closing containers - Google Patents

Machine for closing containers Download PDF

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Publication number
EP1529751B1
EP1529751B1 EP04020830A EP04020830A EP1529751B1 EP 1529751 B1 EP1529751 B1 EP 1529751B1 EP 04020830 A EP04020830 A EP 04020830A EP 04020830 A EP04020830 A EP 04020830A EP 1529751 B1 EP1529751 B1 EP 1529751B1
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EP
European Patent Office
Prior art keywords
closing
screw
closing machine
machine according
mounting space
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EP04020830A
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German (de)
French (fr)
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EP1529751A1 (en
Inventor
Herbert Bernhard
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KHS GmbH
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KHS GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/20—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps
    • B67B3/2013—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps by carousel-type capping machines
    • B67B3/2033—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps by carousel-type capping machines comprising carousel co-rotating capping heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B2201/00—Indexing codes relating to constructional features of closing machines
    • B67B2201/08—Aseptic features

Definitions

  • the invention relates to a capping machine according to the preamble of the first claim.
  • Closing machines for closing containers such as e.g. Bottles with caps by screwing are basically known (US 20 76 631).
  • the closure caps used in this case consist for example of metal (eg aluminum), but preferably also of plastic. These plastic caps are prefabricated with an internal thread, with which they are screwed for closing on the provided at the bottle mouth external thread of the bottle and tightened there with a predetermined torque.
  • Each VerschDBposition has a container carrier and a provided at a lower end with a screw head to a container or spindle axis rotatably mounted screw spindle which is driven to rotate about its spindle axis by a drive, wherein the drive of the screw rods with respect to the transferred to the screw heads Torque and / or the speed of the screw heads is adjustable or controllable.
  • the quasi-quasi-stationary form closure heads assign each of these closure heads a drive motor, which drives the closure head directly without additional gear ,
  • the bottles to be closed are moved from a lower inlet position to an upper closure position and then back to a lower outlet position.
  • Object and purpose of the present invention is to provide a capping machine, in which the cleaning of the machinery and equipment and the process safety in particular - but not exclusively - the cold aseptic filling and sealing is further improved.
  • the present invention provides for further optimization of the number, areas and structure of the outer surfaces of a capping machine.
  • the apparatus serves to close containers 2, e.g. Bottles or canisters with closure or screw caps 3, which are made of a suitable material, such as metal (aluminum) or plastic and have a prefabricated internal thread, with which they can be screwed for closing a container 2 provided on the outside in the region of the bottle mouth are.
  • containers 2 e.g. Bottles or canisters with closure or screw caps 3, which are made of a suitable material, such as metal (aluminum) or plastic and have a prefabricated internal thread, with which they can be screwed for closing a container 2 provided on the outside in the region of the bottle mouth are.
  • the upright container 2 For closing the upright container 2 are transferred from a feed dog, not shown, via one, the container inlet of the closing machine 1 forming infeed star, each successively to one of the Verschwinpositionen provided on the circumference of, to a vertical machine axis rotatably driven rotor, in even angular distances distributed around the axis.
  • the sealed container 2 are removed via an outlet star the Verschwinpositionen and removed via a feed, not shown.
  • a vessel or bottle carrier or bottle holder 4 is provided for receiving and holding a container 2 arranged with its vertical axis parallel or approximately parallel to the axis of rotation of the closing machine 1.
  • each closing position above the bottle holder 4 is assigned a separate set of screwdrivers 6, which, inter alia, has a screw shaft 7 with a lower screw head 8 lying parallel to the axis of rotation of the closing machine 1 with its vertical axis.
  • each container 2 and thus also the respective bottle holder 4 performs a controlled vertical lifting movement such that a screw cap 3 is received by each screw head 8 at a transfer position, not shown, then the mouth of the container against the screw cap 3 is moved and there screwed by turning the screw shaft 7 about its vertical axis and tightened with a predetermined torque.
  • each of these sets is a owner, separately with respect to speed, direction of rotation and torque controllable and controllable drive motor 5 assigned.
  • this drive motor 5 may be, for example, a servo, step or even to a Synchronous motor, etc., wherein all these types of motors have in common that they can take place by the type of control, which either individually by a computer per drive motor 5 and / or but by a common computer for all drive motors 5, in terms of speed, direction of rotation, Torque, total rotation angle per screwing, etc. are controlled and / or regulated.
  • the main column 9 of the closing machine 1 accommodates the closing device arranged on a graduated circle either on a rotor plate 10 or on star-shaped open holding arms.
  • the closure devices and the rotor plate 10 are substantially free of Einund / or conversions and as open as technically possible designed to provide optimal accessibility for all machine parts, especially for optimal cleaning and disinfection tasks.
  • the present invention contemplates that components prone to contamination such as e.g. Drive motors 5, etc., which are freely accessible in sealing machines which correspond to the prior art, and thus require an increased cleaning effort, are encapsulated.
  • each drive motor 5 is provided to surround each drive motor 5 with a motor casing 11, which hermetically seals the drive motor 5 from all environmental influences, e.g. Draft, splash or splash water, disinfectant or cleaning centers protects.
  • a motor casing 11 hermetically seals the drive motor 5 from all environmental influences, e.g. Draft, splash or splash water, disinfectant or cleaning centers protects.
  • the engine casing 11 opens with its upper, open side fit into a corresponding opening of a fixedly disposed on the rotating main column 9 support plate 12.
  • appropriate design measures such as the arrangement of sealing and fastening elements and the connection between the motor casing 11 and support plate 12th hermetically sealed against environmental influences.
  • Openings in the support plate 12 is a direct connection between the mounting space 13 and the, protected by the engine sheathing 11 also from environmental influences drive motors 5. These direct connections the leads of the drive motors 5 are guided into the mounting space 13.
  • control components belonging to each individual drive motor 5 and / or the drive components belonging jointly to all drive motors 5, such as, for example, Control cards, power supplies, encoders, torque meter, rotary distributor for operating current and / or control signals, etc. also within the mounting space 13 to arrange so that they are protected and at the same time no longer have to be subjected to the usual cleaning procedures.
  • the unnecessary rotation of the screw heads 8 is a great disadvantage, in particular in the case of cold-aseptic sterile filling, because large-area splashes of liquids and / or dust turbulences can occur due to the permanently rotating screw heads 8, which can contaminate at least the closing machine 1 and thus result in an increased cleaning effort pull.
  • it is provided to allow the screw heads 8 to rotate only when this rotational movement is absolutely necessary for screwing the screw caps 3.
  • the screw heads 8 rotate only when containers 2 are present for closing and when the screw heads 8 are in the actual screwing operation. In addition to the actual screwing-on process, this also includes at least the preceding acceleration phase and the subsequent deceleration phase of the rotary movement.
  • the scope of the present invention extends not only to the embodiment presented here in which the drive of the screw heads 8 takes place by means of a respective drive motor 5, which may be servo, stepping or synchronous motors, but also not explicitly shown here variant embodiments in which the drive of the screw 8 for example, by the rolling of a, with the screw head 8 in operative connection pinion on a stationary internal toothing.
  • a separate drive motor 5 per screw head 8 wherein it is the drive motors 5 to controllable and / or controllable servo, stepper or synchronous motors, resulting possibilities Also to be used to the effect that the direction of rotation of these drive motors 5 is reversed at least for a short time.
  • Known containers 2 generally have a so-called right-hand thread, onto which the nut, in the present case the screw cap 3, is screwed when viewed from above in a clockwise direction.
  • the reversal of the direction of rotation therefore means that the screw head 8 is rotated counterclockwise, assuming the viewing direction is unchanged.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Jars (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Description

Die Erfindung bezieht sich auf eine Verschließmaschine gemäß des Oberbegriffs des ersten Patentanspruchs.The invention relates to a capping machine according to the preamble of the first claim.

Verschließmaschinen, insbesondere auch solche umlaufender Bauart, zum Verschließen von Behältern wie z.B. Flaschen mit Verschlusskappen durch Aufschrauben sind grundsätzlich bekannt (US 20 76 631). Die hierbei verwendeten Verschlusskappen bestehen beispielsweise aus Metall (z. B. Aluminium), vorzugsweise aber auch aus Kunststoff. Diese aus Kunststoff bestehenden Verschlusskappen sind mit einem Innengewinde vorgefertigt, mit welchem sie zum Verschließen auf das an der Flaschenmündung vorgesehene Außengewinde der Flasche aufgeschraubt und dort mit einem vorgegebenen Drehmoment festgedreht werden.Closing machines, in particular also of such circumferential design, for closing containers such as e.g. Bottles with caps by screwing are basically known (US 20 76 631). The closure caps used in this case consist for example of metal (eg aluminum), but preferably also of plastic. These plastic caps are prefabricated with an internal thread, with which they are screwed for closing on the provided at the bottle mouth external thread of the bottle and tightened there with a predetermined torque.

Dabei hat sich in der Vergangenheit besonders eine Bauweise durchgesetzt, bei der in einem rotierend umlaufenden Rotor mehrere Schraubeinheiten vorgesehen sind, deren Welle in der üblichen Ausführung von einem auf der Welle sitzenden Ritzel gedreht wird, welches auf einem am Stator feststehenden Zahnkranz abläuft. Die Welle dreht ihrerseits den Schraubkopf, dem die Kappe zuvor in den üblichen Klemmeingriff zugeführt wurde. Die Schraubeinheiten werden beim Umlauf des Rotors nacheinander durch ihre Höhensteuerung abwärts bewegt auf die darunter stehende Flasche und schrauben dabei die Kappe auf die Flasche auf.In the past, in particular, a design has prevailed in which a plurality of screw units are provided in a rotating rotating rotor, whose shaft is rotated in the usual embodiment of a seated on the shaft pinion, which runs on a stationary gear on the stator gear. The shaft in turn rotates the screw head to which the cap has previously been fed in the usual clamping engagement. The screw units are successively moved by the height control on the underlying bottle while screwing the rotor while screwing the cap on the bottle.

Aus der US 2987313 und der EP 0521581 A1 ist es bekannt, jede Schraubeinheit mit einem eigenen Antriebsmotor zu versehen, dessen Welle achsparallel zur Welle der Schraubeinheit angeordnet und mit dieser durch ein Getriebe gekoppelt ist. Nachteilig hierbei sind der große Aufwand für die Getriebekopplung und die zusätzlichen Lagerstellen, die mit der Vorrichtung umlaufen müssen, wobei die gesamte Schraubeinheit noch gegen die Flasche bewegt werden muss.From US 2987313 and EP 0521581 A1 it is known to provide each screw unit with its own drive motor, whose shaft is arranged axially parallel to the shaft of the screw unit and coupled thereto by a transmission. The disadvantage here is the great expense of the gear coupling and the additional bearings that must rotate with the device, the entire screw must still be moved against the bottle.

Man hat im Stand der Technik versucht, bei kleinem Außendurchmesser der Schraubvorrichtung die Drehzahl des Schraubkopfes unabhängig von der Umlaufdrehzahl des Rotors zu erhöhen, um die Durchsatzleistung zu vergrößern. Es ist dazu bekannt, die Welle mit einem Übersetzungsgetriebe zwischen Zahnkranz und Ritzel zu versehen, das die Drehzahl erhöht. Aus baulichen Gründen bei der gegebenen engen Anordnung der Schraubeinheiten in einer Schraubvorrichtung stößt dies jedoch auf erhebliche konstruktive Schwierigkeiten. Eine ähnliche Konstruktion zeigt die EP0 690 020 A1. Bei dieser Konstruktion ergibt sich jedoch aus den dort gewollten Gründen durch das Getriebe eine unerwünschte Drehzahlverringerung des Schraubkopfes. Eine weitere ähnliche Konstruktion zeigt die DE 91 02 659 U1. Bei dieser Konstruktion sind zwei Getriebe wahlweise für unterschiedliche Schraubtiefen umschaltbar vorgesehen, was zu einer sehr aufwendigen Konstruktion führt.It has been tried in the prior art, with a small outer diameter of the screwing the speed of the screw head to increase regardless of the rotational speed of the rotor in order to increase the throughput. It is known to the shaft with a transmission gear between sprocket and pinion, which increases the speed. However, for structural reasons given the tight arrangement of the screwing units in a screwing device, this encounters considerable structural difficulties. A similar construction is shown in EP0 690 020 A1. With this construction, however, the unwanted reduction of the speed of rotation of the screw head results from the fact that it is intended by the gearbox. Another similar construction shows the DE 91 02 659 U1. In this design, two gears are provided selectively switchable for different screw depths, resulting in a very complex construction.

Schließlich ist eine Vorrichtung zum Verschließen von Flaschen oder dergleichen Behälter mit Verschluss- oder Schraubkappen mit mehreren am Umfang eines um eine vertikale Maschinenachse umlaufenden Rotors gebildeten Verschließpositionen bekannt geworden, denen die zu verschließenden Behälter an einem Behältereinlauf übergeben und die verschlossenen Behälter an einem Behälterauslauf entnommen werden. Jede Verschließposition weist einen Behälterträger und eine an einem unteren Ende mit einem Schraubkopf versehene, um eine Behälter- bzw. Spindelachse drehbar gelagerte Schraubspindel auf, die um ihre Spindelachse durch einen Antrieb rotierend antreibbar ist, wobei der Antrieb der Schraubspindeln hinsichtlich des auf die Schraubköpfe übertragenen Drehmoments und/oder der Drehzahl der Schraubköpfe einstellbar bzw. steuerbar ist.Finally, a device for closing bottles or similar containers with closure or screw caps with a plurality formed on the circumference of a revolving around a vertical machine axis rotor sealing positions has become known, which pass the containers to be closed at a container inlet and the sealed container are removed at a container outlet , Each Verschließposition has a container carrier and a provided at a lower end with a screw head to a container or spindle axis rotatably mounted screw spindle which is driven to rotate about its spindle axis by a drive, wherein the drive of the screw rods with respect to the transferred to the screw heads Torque and / or the speed of the screw heads is adjustable or controllable.

Ebenfalls bekannt wurde eine Vorrichtung nach der DE 20218523 U. Bei dieser Vorrichtung wurde besonderen Wert auf eine offene, leicht zu reinigende Bauweise gelegt, da das geplante Hauptanwendungsgebiet dieser Verschließmaschine die kaltaseptische Abfüllung ist.Also known was a device according to DE 20218523 U. In this device, particular importance was attached to an open, easy-to-clean construction, since the planned main application of this sealing machine is the cold aseptic filling.

Zur Reduzierung der Bauteile und der mit diesen im Zusammenhang stehenden zu reinigenden Flächen, Spalten, Hinterschneidungen und Ritzen, ist bei dieser Vorrichtung vorgesehen, die Verschlussköpfe höhenmäßig quasi feststehenden auszubilden und jedem dieser Verschlussköpfe einen Antriebsmotor zuzuordnen, welcher den Verschlusskopf direkt also ohne zusätzliches Getriebe antreibt.To reduce the components and associated with these surfaces to be cleaned, columns, undercuts and scratches, is provided in this device, the quasi-quasi-stationary form closure heads and assign each of these closure heads a drive motor, which drives the closure head directly without additional gear ,

Die zu verschließenden Flaschen werden dabei aus einer unteren Einlaufposition in eine obere Verschlussposition und dann wieder in eine untere Auslaufposition bewegt.The bottles to be closed are moved from a lower inlet position to an upper closure position and then back to a lower outlet position.

Mit der Vorstellung der DE 202 18 523 U wurden hinsichtlich des Reinigungsaufwandes und der Prozesssicherheit insbesondere bezüglich der kaltaseptischen Abfüllung große Fortschritte erzielt, doch haben weitergehende Untersuchungen und Analysen weiteres Verbesserungspotenzial aufgezeigt.With the introduction of DE 202 18 523 U, great progress has been made with regard to the cleaning effort and the process reliability, in particular with regard to cold aseptic filling, but further investigations and analyzes have shown further potential for improvement.

Aufgabe und Ziel der vorliegenden Erfindung ist es, eine Verschließmaschine auszubilden, bei welcher die Reinigung der Maschinen und Anlagen und die Prozesssicherheit insbesondere - aber nicht ausschließlich - der kaltaseptischen Abfüllung und Verschließung weiter verbessert wird. Dazu sieht die vorliegende Erfindung vor, die Anzahl, die Flächeninhalte und die Struktur der äußeren Oberflächen einer Verschließmaschine weiter zu optimieren.Object and purpose of the present invention is to provide a capping machine, in which the cleaning of the machinery and equipment and the process safety in particular - but not exclusively - the cold aseptic filling and sealing is further improved. To this end, the present invention provides for further optimization of the number, areas and structure of the outer surfaces of a capping machine.

Gelöst wird diese der Erfindung zugrunde liegende Aufgabe durch die Merkmale des Anspruchs 1.This object of the invention is solved by the features of claim 1.

Die Erfindung wird im folgenden anhand der Figuren an einem Ausführungsbeispiel näher erläutert. Es zeigen:

Fig. 1
in vereinfachter Darstellung und teilweise im Schnitt einen Schraubkopf 8 zum Aufschrauben von Schraubkappen 3, und die
Fig. 2
in einer vereinfachten und teilweise geschnittenen Darstellung eine erfindungsgemäße Verschließmaschine mit Montageraum 13, und die
Fig. 3
in einer vereinfachten Darstellung eine Gesamtansicht einer erfindungsgemäßen Verschließmaschine.
The invention will be explained in more detail below with reference to the figures of an embodiment. Show it:
Fig. 1
in a simplified representation and partly in section a screw head 8 for screwing on screw caps 3, and the
Fig. 2
in a simplified and partially sectional view of a sealing machine according to the invention with mounting space 13, and the
Fig. 3
in a simplified representation of an overall view of a closing machine according to the invention.

Weiterbildungen, Vorteile und Anwendungsmöglichkeiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen und der Zeichnung. Dabei bilden alle beschriebenen und/oder bildlich dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, unabhängig von ihrer Zusammenfassung in den Ansprüchen oder deren Rückbeziehung. Gleichzeitig wird der Inhalt der Ansprüche zu einem Bestandteil der Beschreibung gemacht.Further developments, advantages and applications of the invention will become apparent from the following description of exemplary embodiments and the drawings. All described and / or illustrated features alone or in any combination form the subject matter of the invention, regardless of their combination in the claims or their dependency. At the same time, the content of the claims is made part of the description.

Die in den Figuren allgemein mit 1 bezeichnete Vorrichtung dient zum Verschließen von Behältern 2, wie z.B. Flaschen oder Kanistern mit Verschluss- bzw. Schraubkappen 3, die aus einem geeigneten Material, beispielsweise aus Metall (Aluminium) oder Kunststoff hergestellt sind und ein vorgefertigtes Innengewinde aufweisen, mit dem sie zum Verschließen eines Behälters 2 auf das im Bereich der Flaschenmündung vorgesehene Außengewinde aufschraubbar sind.The apparatus, generally designated 1 in the figures, serves to close containers 2, e.g. Bottles or canisters with closure or screw caps 3, which are made of a suitable material, such as metal (aluminum) or plastic and have a prefabricated internal thread, with which they can be screwed for closing a container 2 provided on the outside in the region of the bottle mouth are.

Zum Verschließen werden die aufrecht stehenden Behälter 2 von einem nicht dargestellten Transporteur über einen, den Behältereinlauf der Verschließmaschine 1 bildenden Einlaufstern, jeweils nacheinander an eine der Verschließpositionen übergeben, die am Umfang des, um eine vertikale Maschinenachse umlaufend angetriebenen Rotors vorgesehen sind, und zwar in gleichmäßigen Winkelabständen um die Achse verteilt. Die verschlossenen Behälter 2 werden über einen Auslaufstern den Verschließpositionen entnommen und über einen nicht dargestellten Transporteur abgeführt.For closing the upright container 2 are transferred from a feed dog, not shown, via one, the container inlet of the closing machine 1 forming infeed star, each successively to one of the Verschließpositionen provided on the circumference of, to a vertical machine axis rotatably driven rotor, in even angular distances distributed around the axis. The sealed container 2 are removed via an outlet star the Verschließpositionen and removed via a feed, not shown.

An jeder Verschließposition ist ein Gefäß- oder Flaschenträger oder Flaschenhalter 4 zur Aufnahme und Halterung eines mit seiner Hochachse parallel oder annähernd parallel zur Drehachse der Verschließmaschine 1 angeordneten Behälters 2 vorgesehen.At each occlusion position, a vessel or bottle carrier or bottle holder 4 is provided for receiving and holding a container 2 arranged with its vertical axis parallel or approximately parallel to the axis of rotation of the closing machine 1.

Weiterhin ist jeder Verschließposition über dem Flaschenhalter 4 ein gesonderter Schraubwellensatz 6 zugeordnet, der unter anderem eine mit ihrer Hochachse parallel zur Drehachse der Verschließmaschine 1 liegende Schraubwelle 7 mit einem unteren Schraubkopf 8 aufweist.Furthermore, each closing position above the bottle holder 4 is assigned a separate set of screwdrivers 6, which, inter alia, has a screw shaft 7 with a lower screw head 8 lying parallel to the axis of rotation of the closing machine 1 with its vertical axis.

Während des Umlaufs der Verschließmaschine 1 führt jeder Behälter 2 und damit auch der jeweilige Flaschenhalter 4 eine gesteuerte vertikale Hubbewegung derart aus, dass von jedem Schraubkopf 8 an einer nicht dargestellten Übergabeposition jeweils eine Schraubkappe 3 aufgenommen, dann anschließend die Mündung des Behälters gegen die Schraubkappe 3 bewegt wird und dort durch Drehen der Schraubwelle 7 um ihre Hochachse aufgeschraubt und mit einem vorgegebenen Drehmoment festgedreht wird.During the circulation of the capping machine 1, each container 2 and thus also the respective bottle holder 4 performs a controlled vertical lifting movement such that a screw cap 3 is received by each screw head 8 at a transfer position, not shown, then the mouth of the container against the screw cap 3 is moved and there screwed by turning the screw shaft 7 about its vertical axis and tightened with a predetermined torque.

Zur Ausführung der Drehbewegung des Schraubwellensatzes 6 ist jedem dieser Sätze ein eigner, separat bezüglich Drehzahl, Drehrichtung und Drehmoment steuer- und regelbarer Antriebsmotor 5 zugeordnet. Bei diesem Antriebsmotor 5 kann es sich z.B. um einen Servo-, Schritt- oder aber auch um einen Synchronmotor usw. handeln, wobei allen diesen Motorenarten gemeinsam ist, dass sie durch die Art der Ansteuerung, welche entweder individuell durch einen Rechner je Antriebsmotor 5 und/oder aber auch durch einen gemeinsamen Rechner für alle Antriebsmotoren 5 erfolgenden kann, hinsichtlich Drehzahl, Drehrichtung, Drehmoment, Gesamtdrehwinkel je Aufschraubvorgang usw. steuer- und/oder regelbar sind.For executing the rotary movement of the Schraubwellensatzes 6 each of these sets is a owner, separately with respect to speed, direction of rotation and torque controllable and controllable drive motor 5 assigned. In this drive motor 5 may be, for example, a servo, step or even to a Synchronous motor, etc., wherein all these types of motors have in common that they can take place by the type of control, which either individually by a computer per drive motor 5 and / or but by a common computer for all drive motors 5, in terms of speed, direction of rotation, Torque, total rotation angle per screwing, etc. are controlled and / or regulated.

Die Hauptsäule 9 der Verschließmaschine 1 nimmt die auf einem Teilkreis angeordneten Verschlussvorrichtung entweder an einer Rotorplatte 10 oder an sternförmig ausgerichteten offenen Haltearmen auf. Dabei sind die Verschlussvorrichtungen und die Rotorplatte 10 im wesentlichen frei von Einund/oder Umbauten und so offen wie technisch möglich ausgeführt, um für alle Maschinenteile eine optimale Zugänglichkeit insbesondere für optimale Reinigungs- und Desinfektionsaufgaben zu schaffen.The main column 9 of the closing machine 1 accommodates the closing device arranged on a graduated circle either on a rotor plate 10 or on star-shaped open holding arms. In this case, the closure devices and the rotor plate 10 are substantially free of Einund / or conversions and as open as technically possible designed to provide optimal accessibility for all machine parts, especially for optimal cleaning and disinfection tasks.

Bezüglich der besonders vorteilhaften Gestaltung von Schraubwellensatz 6, Schraubwelle 7 und Schraubkopf 8 und weiterer Komponenten sei an dieser Stelle nochmals auf die DE 202 18 523 U verwiesen.With regard to the particularly advantageous design of Schraubwellensatz 6, screw shaft 7 and screw 8 and other components should be made at this point again to DE 202 18 523 U reference.

Zur weiteren Optimierung von Verschließmaschinen hinsichtlich Reinigung und Sicherheit des Abfüllprozesses sieht die vorliegende Erfindung vor, dass verschmutzungsanfällige Komponenten wie z.B. Antriebsmotoren 5 usw., welche bei Verschließmaschinen die dem Stand der Technik entsprechen, frei zugänglich sind und somit einen erhöhten Reinigungsaufwand bedingen, gekapselt werden.To further optimize sealing machines in terms of cleaning and safety of the filling process, the present invention contemplates that components prone to contamination such as e.g. Drive motors 5, etc., which are freely accessible in sealing machines which correspond to the prior art, and thus require an increased cleaning effort, are encapsulated.

Wie in der Figur 2 dargestellt, ist vorgesehen, jeden Antriebsmotor 5 mit einer Motorummantelung 11 zu umgeben, welche den Antriebsmotor 5 hermetisch vor allen Umgebungseinflüssen wie z.B. Luftzug, Schwall- oder Spritzwasser, Desinfektions- oder Reinigungsmitten schützt.As shown in FIG. 2, it is provided to surround each drive motor 5 with a motor casing 11, which hermetically seals the drive motor 5 from all environmental influences, e.g. Draft, splash or splash water, disinfectant or cleaning centers protects.

Die Motorummantelung 11 mündet mit ihrer oberen, offenen Seite passgenau in eine korrespondierenden Öffnung einer, fest an der umlaufenden Hauptsäule 9 angeordneten Tragplatte 12. Durch geeignete konstruktive Maßnahmen wie z.B. die Anordnung von Dichtungs- und Befestigungselementen ist auch die Verbindung zwischen Motorummantelung 11 und Tragplatte 12 gegenüber Umgebungseinflüssen hermetisch dicht.The engine casing 11 opens with its upper, open side fit into a corresponding opening of a fixedly disposed on the rotating main column 9 support plate 12. By appropriate design measures such as the arrangement of sealing and fastening elements and the connection between the motor casing 11 and support plate 12th hermetically sealed against environmental influences.

Durch die Anordnung von Seitenwänden, Dachelementen, Türen, Dichtungen und weiterer Elemente an der Tragplatte 12 wird ein mit der Hauptsäule 9 umlaufender Montageraum 13 für die Aufnahme weiterer Mittel gebildet, welcher ebenfalls hermetisch dicht ist.Due to the arrangement of side walls, roof elements, doors, seals and other elements on the support plate 12 a circumferential to the main column 9 mounting space 13 is formed for receiving further funds, which is also hermetically sealed.

Durch die o.g. Öffnungen in der Tragplatte 12 besteht eine direkte Verbindung zwischen Montageraum 13 und den, durch die Motorummantelungen 11 ebenfalls vor Umgebungseinflüssen geschützten Antriebsmotoren 5. Durch diese direkten Verbindungen werden die Anschlussleitungen der Antriebsmotoren 5 in den Montageraum 13 geführt.By the o.g. Openings in the support plate 12 is a direct connection between the mounting space 13 and the, protected by the engine sheathing 11 also from environmental influences drive motors 5. These direct connections the leads of the drive motors 5 are guided into the mounting space 13.

In einer weiteren Ausbildung der vorliegenden Erfindung ist zur Verbesserung des Montageverhaltens und zur Verminderung von Stillstandszeiten im Störungsfall vorgesehen, dass diese Anschlussleitungen zumindest motorseitig als schnell lösbare Steck(er)verbindung ausgeführt sind.In a further embodiment of the present invention is provided to improve the assembly behavior and to reduce downtime in the event of failure that these connecting lines are designed at least on the motor side as a quick release plug (s) connection.

In einer ebenfalls vorteilhaften Weiterbildung der vorliegenden Erfindung ist vorgesehen, die zu jedem einzelnen Antriebsmotor 5 gehörenden und/oder die zu allen Antriebsmotoren 5 gemeinsam gehörenden Ansteuerungskomponenten, wie z.B. Ansteuerkarten, Netzteile, Drehgeber, Drehmomentmesser, Drehverteiler für Betriebsstrom und/oder Steuersignale usw. ebenfalls innerhalb des Montageraumes 13 anzuordnen, so dass auch diese geschützt sind und gleichzeitig nicht mehr den üblichen Reinigungsprozeduren unterzogen werden müssen.In a likewise advantageous development of the present invention, it is provided that the control components belonging to each individual drive motor 5 and / or the drive components belonging jointly to all drive motors 5, such as, for example, Control cards, power supplies, encoders, torque meter, rotary distributor for operating current and / or control signals, etc. also within the mounting space 13 to arrange so that they are protected and at the same time no longer have to be subjected to the usual cleaning procedures.

Auch für die elektrischen Verbindungen zwischen den Drehverteilern für Betriebsstrom und/oder Steuersignale und den jeweils nachgeschalteten Bauteilen wie z.B. Steuerkarten oder Netzteilen, ist vorgesehen, dass die erforderlichen elektrischen Verbindungen anhand von Steck(er)verbindungen herstellbar sind. Der besondere Vorteil von steckbaren Leitungsverdingungen liegt in der Reparatur- und Wartungsfreundlichkeit, was bei störungsbedingten Produktionsunterbrechungen zu verkürzten Stillstandszeiten führt.Also for the electrical connections between the rotary distributors for operating current and / or control signals and the respective downstream components such. Control cards or power supplies, it is envisaged that the required electrical connections using connectors (s) can be produced connections. The particular advantage of plug-in cable tensions is the ease of repair and maintenance, which leads to shortened downtimes in case of disruption of production.

Zur weiteren Verbesserung der Reinigung einer derartigen Verschließmaschine 1 und zur Verkürzung der mit der Reinigung der Verschließmaschine verbundenen Stillstandszeiten ist weiterhin vorgesehen, sämtliche Außenflächen des Montageraumes durch ortsfest und/oder mit der Hauptsäule umlaufend angeordnete Düsen abspritzen und reinigen zu lassen. Dazu ist ebenfalls vorgesehen, den zur Versorgung der umlaufenden Sprühdüsen mit Reinigungs- oder Desinfektionsmittel zwingend erforderlichen Drehverteiler ebenfalls in und/oder auf dem Montageraum 13 anzuordnen.To further improve the cleaning of such a closing machine 1 and to shorten the downtime associated with the cleaning of the closing machine is further provided to spray all surfaces of the mounting space by stationary and / or with the main pillar circumferentially arranged nozzles and clean. For this purpose, it is also provided to supply the circulating spray nozzles with Cleaning or disinfectant mandatory Rotary distributor also in and / or on the mounting space 13 to order.

Ebenfalls wird im Rahmen der vorliegenden Erfindung ein besonders vorteilhaftes Verfahren zum Betrieb der Antriebsmotoren 5 vorgestellt. Bei bekannten Verschließmaschinen ist es unabhängig von der Art des Antriebs der Schraubköpfe 8 üblich, dass diese Schraubköpfe 8 permanent rotieren und diese Rotation somit auch dann beibehalten, wenn die Schraubköpfe 8 augenblicklich keine Schraubkappen 3 auf die Behälter 2 aufschrauben. Dieses ist z.B. dann der Fall, wenn der Aufschraubvorgang einer Schraubkappe 3 gerade beendet wurde und sich der Schraubkopf 8 auf dem Weg zur Übernahmeposition für die Übernahme der nächsten Schraubkappe 3 befindet. Diese Situation tritt aber auch beim Anfahren einer Getränkeanlage auf, wenn die in die Getränkeanlage einlaufenden Behälter die Verschließmaschine 1 noch nicht erreicht haben, die Verschließmaschine aber schon teilungsgerecht mitläuft.Also, in the context of the present invention, a particularly advantageous method for operating the drive motors 5 is presented. In known capping machines, it is common, regardless of the type of drive of the screw heads 8, that these screw heads 8 rotate permanently and thus maintain this rotation even when the screw heads 8 instantly unscrew 3 screw caps on the container 2. This is e.g. then the case when the screwing a screw cap 3 has just finished and the screw head 8 is on the way to the takeover position for the acquisition of the next screw cap 3. However, this situation also occurs when starting up a beverage plant when the containers entering the beverage plant have not yet reached the closing machine 1, but the sealing machine is already running in line with the division.

Die unnötige Rotation der Schraubköpfe 8 ist insbesondere bei der kaltaseptischen Sterilabfüllung von großem Nachteil, da es durch die permanent rotierenden Schraubköpfe 8 zu großflächigen Verspritzungen von Flüssigkeiten und/oder Staubverwirbelungen kommen kann, welche zumindest die Verschließmaschine 1 verschmutzen können und somit einen erhöhten Reinigungsaufwand nach sich ziehen. Um diese Nachteile zu vermeiden, ist vorgesehen, die Schraubköpfe 8 nur dann rotieren zu lassen, wenn diese Drehbewegung für das Aufschrauben der Schraubkappen 3 unbedingt erforderlich ist. Erfindungsgemäß rotieren die Schraubköpfe 8 nur dann, wenn Behälter 2 zum Verschließen anstehen und wenn sich die Schraubköpfe 8 im eigentlichen Aufschraubvorgang befinden. Zu diesem zählen neben dem eigentlichen Aufschraubvorgang selbst zumindest auch die vorausgehende Beschleunigungsphase und die anschließende Verzögerungsphase der Drehbewegung.The unnecessary rotation of the screw heads 8 is a great disadvantage, in particular in the case of cold-aseptic sterile filling, because large-area splashes of liquids and / or dust turbulences can occur due to the permanently rotating screw heads 8, which can contaminate at least the closing machine 1 and thus result in an increased cleaning effort pull. In order to avoid these disadvantages, it is provided to allow the screw heads 8 to rotate only when this rotational movement is absolutely necessary for screwing the screw caps 3. According to the invention, the screw heads 8 rotate only when containers 2 are present for closing and when the screw heads 8 are in the actual screwing operation. In addition to the actual screwing-on process, this also includes at least the preceding acceleration phase and the subsequent deceleration phase of the rotary movement.

Hinsichtlich der nicht permanenten Rotation der Schraubköpfe 8 erstreckt sich der Umfang der vorliegenden Erfindung nicht nur auf das hier vorgestellte Ausführungsbeispiel bei dem der Antrieb der Schraubköpfe 8 anhand jeweils eines Antriebsmotors 5 erfolgt, wobei es sich um Servo-, Schritt- oder Synchronmotoren handeln kann, sondern auch auf hier nicht explizit dargestellte Ausführungsvarianten, bei denen der Antrieb der Schraubköpfe 8 z.B. durch das Abwälzen eines, mit dem Schraubkopf 8 in einer Wirkverbindung stehenden Ritzels an einer ortsfesten Innenverzahnung erfolgt.With respect to the non-permanent rotation of the screw heads 8, the scope of the present invention extends not only to the embodiment presented here in which the drive of the screw heads 8 takes place by means of a respective drive motor 5, which may be servo, stepping or synchronous motors, but also not explicitly shown here variant embodiments in which the drive of the screw 8 for example, by the rolling of a, with the screw head 8 in operative connection pinion on a stationary internal toothing.

In einer weiteren Ausgestaltung der vorliegenden Erfindung ist vorgesehen, die sich durch die Verwendung von je einem separatem Antriebsmotor 5 je Schraubkopf 8, wobei es sich bei den Antriebsmotoren 5 um steuer- und/oder regelbare Servo-, Schritt- oder Synchronmotoren handelt, ergebenden Möglichkeiten auch dahingehend zu nutzen, dass die Drehrichtung dieser Antriebsmotoren 5 zumindest kurzzeitig umgekehrt wird.In a further embodiment of the present invention is provided by the use of a separate drive motor 5 per screw head 8, wherein it is the drive motors 5 to controllable and / or controllable servo, stepper or synchronous motors, resulting possibilities Also to be used to the effect that the direction of rotation of these drive motors 5 is reversed at least for a short time.

Bekannte Behälter 2 weisen in der Regel ein so genanntes Rechtsgewinde auf, auf welches die Mutter, im vorliegenden Fall die Schraubkappe 3, bei Betrachtung von Oben im Uhrzeigersinn aufgeschraubt wird. Das Umkehren der Drehrichtung bedeutet folglich, dass der Schraubkopf 8 - bei unveränderter Betrachtungsweise - entgegen des Uhrzeigersinnes gedreht wird.Known containers 2 generally have a so-called right-hand thread, onto which the nut, in the present case the screw cap 3, is screwed when viewed from above in a clockwise direction. The reversal of the direction of rotation therefore means that the screw head 8 is rotated counterclockwise, assuming the viewing direction is unchanged.

Fehlverschraubungen, welche dadurch entstehen können, dass Behältergewinde und das Gewinde der Schraubkappe 3 zu Beginn des Schraubvorganges nicht optimal zueinander positioniert sind, werden durch diese Vorgehensweise sicher vermieden, da sich die beiden zu verschraubenden Gewinde durch diese Rückwärtsdrehung entgegen dem Uhrzeigersinn derart zueinander positionieren, dass sie fehlerfrei miteinander verschraubt werden können.Fehlverschraubungen, which can arise from the fact that container thread and the thread of the screw cap 3 are not optimally positioned at the beginning of the screwing, are safely avoided by this approach, since the two screw thread to be positioned by this reverse rotation counterclockwise to each other such that they can be screwed together faultlessly.

Von besonderem Vorteil ist diese kurzzeitige Rückwärtsdrehung insbesondere bei so genannten Twist-Off-Verschraubungen, bei welchen das Gewinde der Schraubkappen 3 nicht vollständig ausgebildet ist, sondern nur aus kleinen, am untersten Rand der Schraubkappen 3 angeordneten Führungselementen besteht.Of particular advantage is this brief reverse rotation in particular in what are known as twist-off screw connections, in which the thread of the screw caps 3 is not completely formed, but consists only of small guide elements arranged on the lowest edge of the screw caps 3.

Claims (13)

  1. Closing machine (1) for the closing of bottles, jars with screw-type caps or similar containers with locking caps or screw-type caps (3) by means of screwing on the said caps, the said closing machine having a plurality of closing positions formed on the periphery of a rotor rotating about a vertical machine axis, to which closing positions the containers (2) to be closed are transferred at a container inlet and the closed containers are removed at a container outlet, wherein each closing position includes a container carrier (4) and a screw shaft (7) that is provided at a bottom end with a screw head (8) and is mounted so as to be rotatable about an axis, wherein each of the said screw shafts (7) is driveable by means of its own drive motor (5), wherein a mounting space (13) that rotates with the main column (9) is formed above the closing positions, characterised in that the mounting space (13) is sealed hermetically relative to the environment and/or the environmental influences.
  2. Closing machine according to claim 1, characterised in that the mounting space (13) is accessible through hermetically sealed, closable openings such as doors and/or flaps.
  3. Closing machine according to one of claims 1 to 2, characterised in that the mounting space (13) includes the drive motors (5).
  4. Closing machine according to one of claims 1 to 3, characterised in that the mounting space (13) includes at least one rotary distributor for operating current and/or control signals.
  5. Closing machine according to one of claims 1 to 4, characterised in that all the outside surfaces of the mounting space (13) are sprayable with cleaning and/or disinfecting means through nozzles that rotate with the main column (9) and/or are disposed in a stationary manner.
  6. Closing machine according to one of claims 1 to 5, characterised in that each of the drive motors (5) is disposed in a separate motor casing (11) that is connected to the mounting space (13) and is sealed against environmental influences.
  7. Closing machine according to one of claims 1 to 6, characterised in that the closing machine (1) includes means, which effect a non permanent rotation of the screw heads (8).
  8. Closing machine according to claim 7, characterised in that the said means are the drive motors (5), wherein the said drive motors can be servo motors or step motors or synchronous motors.
  9. Closing machine according to claim 7, characterised in that the said means are clutches.
  10. Closing machine according to claim 7, characterised in that the said means are non rotating part segments of an internal gearing.
  11. Method for the operation of a closing machine (1) according to claims 1 to 10, characterised in that the screw heads (8) can only be rotatingly driven if containers (2) are in position for immediate closing.
  12. Method for the operation of a closing machine (1) according to claim 11, characterised in that the screw heads (8) are only rotatingly driven during their acceleration phases of the rotational movements, the actual closing operation and the deceleration phases of the rotational movements.
  13. Method for the operation of a closing machine (1) according to claim 11, characterised in that the direction of rotation of the screw heads (8) is opposed at least sometimes to its direction df rotation during the screwing-on operation.
EP04020830A 2003-11-07 2004-09-02 Machine for closing containers Active EP1529751B1 (en)

Applications Claiming Priority (2)

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DE10352016 2003-11-07
DE10352016A DE10352016B3 (en) 2003-11-07 2003-11-07 Closing machine for closing vessels

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EP1529751B1 true EP1529751B1 (en) 2006-10-25

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JP (1) JP5390735B2 (en)
CN (1) CN1298610C (en)
BR (1) BRPI0404790B1 (en)
DE (1) DE10352016B3 (en)
RU (1) RU2343107C2 (en)

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US20050150193A1 (en) 2005-07-14
US9233820B2 (en) 2016-01-12
EP1529751A1 (en) 2005-05-11
DE10352016B3 (en) 2005-08-11
CN1626433A (en) 2005-06-15
BRPI0404790A (en) 2005-06-21
BRPI0404790B1 (en) 2015-08-04
RU2343107C2 (en) 2009-01-10
CN1298610C (en) 2007-02-07
US20100154364A1 (en) 2010-06-24
RU2004132540A (en) 2006-04-10
JP5390735B2 (en) 2014-01-15
JP2005138904A (en) 2005-06-02

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