EP2349661B1 - Compacting device - Google Patents

Compacting device Download PDF

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Publication number
EP2349661B1
EP2349661B1 EP09771676A EP09771676A EP2349661B1 EP 2349661 B1 EP2349661 B1 EP 2349661B1 EP 09771676 A EP09771676 A EP 09771676A EP 09771676 A EP09771676 A EP 09771676A EP 2349661 B1 EP2349661 B1 EP 2349661B1
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EP
European Patent Office
Prior art keywords
roller
pin
section
base body
pin element
Prior art date
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Application number
EP09771676A
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German (de)
French (fr)
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EP2349661A1 (en
Inventor
Anton Moch
Maik Schulenberg
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.)
Envipco Holding NV
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Envipco Holding NV
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Application filed by Envipco Holding NV filed Critical Envipco Holding NV
Priority to PL09771676T priority Critical patent/PL2349661T3/en
Publication of EP2349661A1 publication Critical patent/EP2349661A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
    • B30B9/321—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for consolidating empty containers, e.g. cans
    • B30B9/325—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for consolidating empty containers, e.g. cans between rotary pressing members, e.g. rollers, discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/24—Perforating by needles or pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
    • B26F2210/11—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of plastic containers before compressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/301—Feed means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S100/00—Presses
    • Y10S100/902—Can crushers

Definitions

  • the invention relates to a compacting device according to the preamble of claim 1 for compacting empty containers, in particular beverage bottles or cans made of plastic or sheet metal, such as tinplate or aluminum sheet.
  • a similar compacting device is in the DE 201 11 752 U1 described.
  • each roller has a plurality of disks mounted successively along a roll axis.
  • One part of the disks is designed as a pressure disk, the other part of the disks as a cutting disk.
  • the rollers are arranged such that discs of one roller engage in the spaces between the discs of the other roller.
  • This device has at least one roller for compressing and perforating empty containers, wherein projecting from the base body of the roller pin elements, which are referred to as spikes, radially.
  • the pin elements are in recordings of the roller body impacted and secured by means of a metal adhesive in it.
  • Object of the present invention is to provide a generic compacting available, with a simple construction in a very effective way, a compaction of empty containers can be achieved.
  • the compacting device according to the invention for compacting empty containers, in particular beverage bottles or cans made of plastic or tinplate, is characterized in that the at least one pin element is designed as a spiral clamping pin.
  • Such a constructed pin element makes it possible to achieve a mere compression of a container in the same process and a perforation of the container.
  • a plurality of pin elements are arranged on the roller base body for this purpose.
  • a projecting pin element favors the collection of a container, for example, in which the pin element engages behind uneven areas of the container and in this way carries the container. Due to their radial elastic properties, it is ensured that the spiral tension pins do not detach from the roller base body under loads which occur during operation of the compacting device.
  • the roller base body has a receptacle into which the at least one pin element is non-positively inserted. Due to the non-positive insertion of the pin member in the roller body is firstly ensured that in case of damage or wear of individual pin elements, the affected pin elements are replaceable with a sufficiently high force. An exchange of the roller body, in particular a disassembly of the roller body, as required in the prior art, can be omitted. On the other hand, the non-positive connection between the pin element and the roll base body also ensures that this withstands the forces acting on the compression and perforation of containers, without detaching itself from the roll body.
  • the roller base body Due to the fact that the at least one pin element protrudes from the roller base body, the roller base body is loaded less. This is the case in particular when a plurality of pin elements is arranged uniformly on the roll base body. This makes it possible to use less strong materials for the formation of the Walzengrundgropers, for example, a low-cost plastic.
  • the roll base body can be produced as a one-piece plastic injection-molded part.
  • the compacting device 1 comprises a housing 17, two rollers 1a, 1b arranged in the housing 17 for compacting empty containers, in particular beverage bottles or cans made of plastic or sheet metal, for example tinplate or aluminum sheet, a feed device 13 likewise arranged in the housing 17, by means of support the entry of one Container is pressed by the rollers 1a, 1b of the container against the rollers 1a, 1b, and a drive device 10, by means of which the rollers 1a, 1b and the feed device 13 is drivable.
  • the housing 17 has in its upper region an inlet opening 11 for the input of containers to be compacted.
  • An obliquely arranged chute 21 is intended to supply the containers to the rollers 1 a, 1 b, which are arranged at the end of the chute 21.
  • the feeding is supported by a rotational movement of the feeding device 13.
  • the feeding device is designed as a paddle 13 and comprises three on a paddle shaft 9 circumferentially uniformly arranged paddle 18.
  • a paddle 18 is formed by a twice clockwise inwardly angled sheet metal, wherein the sheet along the paddle shaft 19 extends.
  • the paddle 18 By a rotational movement of the paddle shaft 19 counterclockwise, in Fig.1 marked with an arrow 24, the paddle 18 lead an empty containers to the rollers 1 a, 1 b and press it against the rollers 1 a, 1 b, whereby a collection of the container by the rollers 1 a, 1 b is supported.
  • the paddle shaft 9 is rotatably mounted on the housing 17 via a ball bearing.
  • the feed device 13 comprises a return plate 20 which is curved in a circular manner about the axis of the paddle shaft 19, the return plate 20 extending from the region of the rollers 1a, 1b to a region above the paddle shaft 19. If a container of the rollers 1a, 1 b is not retracted, this container is taken by the rotating paddle 18, guided along the return plate 20 and passes through a further rotational movement of the paddle 18 again to the rollers 1a, 1b.
  • the first roller 1a and the second roller 1b are arranged horizontally and parallel to each other.
  • the first roller 1 a and the second roller 1 b each comprise a roller base body 2 a or 2 b and a plurality of pin elements 3, which are arranged on the respective roller base body 2 a, 2 b are.
  • the first roller base body 2a is fixedly arranged on a first drive shaft 22a, the second roller base body 1b on a second shaft 22b.
  • the shafts 22a, 22b are rotatably mounted on the housing 17 by means of ball bearings.
  • the first roller base body 2a and the second roller base body 2b have a substantially cylindrical shape. Further, the roller base bodies 2a, 2b are subdivided into first disc-shaped sections 6 and second disc-shaped sections 7. The first sections and the second sections 7 are arranged alternately one behind the other along a respective roller axis 8a, 8b. The roll axes 8a, 8b correspond to the axes of the shafts 22a and 22b, respectively.
  • a first section 6 is formed with a larger diameter than a second section 7. The width of the first sections 6 and the second sections 7 are the same.
  • receptacles 4 are formed for the reception of pin elements 3.
  • the second sections 7 are free of such receptacles 4.
  • a receptacle 4 is formed by a cylindrical recess, which is oriented radially outward facing the roller axis 8a and 8b.
  • a first section 6 has in each case a plurality of such receptacles 4, which are arranged uniformly offset in the circumferential direction of the roll axis 8a, 8b. With respect to adjacent first sections 6, such a set of receptacles 4 is offset by a certain angle, here 15 degrees, resulting in a spiral arrangement of the receptacles 4 along the roller axes 8a, 8b.
  • pin elements 3 are used in all recordings.
  • the depth of the receptacles 4 and the radius of the receptacles 4 are adapted to the pin elements 3, so that a pin element on a frictional connection in a receptacle 4 is fixed and a pin member 3 protrudes with an end portion on the receptacle
  • First roller 1a and second roller 1b are spaced apart such that pin elements 3 of the first roller 1a in intermediate regions 9 between two first sections 6 of the second roller 1b and pin elements 3 of the second roller 1b in intermediate regions 9 between two first sections 6 of FIG engage first roller 1a.
  • a spiral tension pin 3 is used, see FIGS. 3a to 3c ,
  • the spiral clamping pin 3 consists of a spirally wound elastic sheet metal, preferably a spring plate, which, in order to facilitate insertion into a receptacle 4 at one end has a conically shaped bevel 23.
  • the spiral pin 3 In assembled condition, see FIG. 3b , the spiral pin 3 is compressed and thus is radially under tension. Due to this radial stress, an effective frictional connection with the roller base body 2a, 2b can be achieved. Under load in the inserted state, see Figure 3c , the spiral pin 3 can continue to deform.
  • a spiral tension pin 3 here has a diameter in the range of 5 to 10 mm, preferably about 8 mm, and a length in the range of 12 to 30 mm, preferably about 21 mm.
  • the drive device 10 which here comprises an electric motor is connected via not shown gears and drive chains with the shafts 22a, 22b of the rollers 1 a, 1 b and the paddle shaft 19 to the drive.
  • the rollers 1a, 1b rotate in opposite directions, with the first shaft 1a rotating clockwise and the second shaft 1b rotating counterclockwise.
  • the paddle shaft 19 and thus the paddle 18 rotate counterclockwise.
  • An empty container which passes through the inlet opening 11 or via the return plate 21 in the region of the rollers 1a, 1b is fed by the counter-rotating rollers 1 a, 1 b in the intermediate region of the rollers 1a, 1b.
  • This intake is supported by the rotating paddles 18, which additionally press an empty container against the rollers 1 a, 1 b.
  • the feeder is supported by the pin base elements 2a, 2b projecting from the roller body 2a, which are arranged offset in a spiral.
  • the empty container is drawn in by the rollers 1a, 1b and perforated and compressed by the pin elements 3 and the roller base bodies 2a, 2b.
  • the thus compacted container is discharged through the exit port 12.
  • the rollers 1 a, 1 b supplied In the case of a non-feeding an empty container via the return plate 21 and the rotating paddle 18 again the rollers 1 a, 1 b supplied.
  • a stripping device may be provided to assist in stripping a compacted container from the rollers 1a, 1b.
  • the roller base body 2a, 2b are formed here as one-piece plastic injection molded parts. Alternatively, for example, the use of a metal roll body is possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Press Drives And Press Lines (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)
  • Refuse Collection And Transfer (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Description

Die Erfindung betrifft eine Kompaktiervorrichtung gemäß dem Oberbegriff des Anspruchs 1 zum Kompaktieren leerer Behälter, insbesondere Getränkeflaschen oder -dosen aus Kunststoff oder Blech, wie Weißblech oder Aluminiumblech. Eine ähnliche Kompaktiervorrichtung ist in der DE 201 11 752 U1 beschrieben.The invention relates to a compacting device according to the preamble of claim 1 for compacting empty containers, in particular beverage bottles or cans made of plastic or sheet metal, such as tinplate or aluminum sheet. A similar compacting device is in the DE 201 11 752 U1 described.

In der DE 103 25 368 B4 ist eine Kompaktiervorrichtung offenbart, die zwei gegenläufig antreibbare Walzen umfasst, die parallel in einem Abstand zueinander angeordnet und derart ausgebildet sind, dass leere Behälter zwischen ihnen zerschnitten und zusammengedrückt werden. Zu diesem Zweck weist jede Walze mehrere entlang einer Walzenachse hintereinander montierte Scheiben auf. Ein Teil der Scheiben ist als Druckscheibe ausgebildet, der andere Teil der Scheiben als Schneidscheibe. Des Weiteren sind die Walzen derart angeordnet, dass Scheiben der einen Walze in die Zwischenräume zwischen den Scheiben der anderen Walze eingreifen. Durch eine gegenläufige Bewegung der Walzen wird ein leerer Behälter in den Zwischenraum der Walzen gezogen und durch die Vielzahl an Druck- und Schneidscheiben zusammengedrückt und zerschnitten. Dies ermöglicht insbesondere auch das Kompaktieren von leeren, geschlossenen Behältern, ohne diese vorher perforieren zu müssen.In the DE 103 25 368 B4 discloses a compacting apparatus comprising two counter-drivable rollers arranged in parallel spaced relationship and configured to cut and squeeze empty containers between them. For this purpose, each roller has a plurality of disks mounted successively along a roll axis. One part of the disks is designed as a pressure disk, the other part of the disks as a cutting disk. Furthermore, the rollers are arranged such that discs of one roller engage in the spaces between the discs of the other roller. By an opposite movement of the rollers, an empty container is drawn into the space between the rollers and compressed by the plurality of pressure and cutting discs and cut. This allows in particular the compacting of empty, closed containers without having to perforate them before.

In der DE 85 15 290 U1 ist eine gattungsgemäße Kompaktiervorrichtung beschrieben. Diese Vorrichtung besitzt mindestens eine Walze zum Zusammendrücken und Perforieren von leeren Behältern, wobei von dem Grundkörper der Walze Stiftelemente, die als Stacheln bezeichnet werden, radial abragen. Die Stiftelemente sind in Aufnahmen des Walzengrundkörpers mit Presssitz eingeschlagen und mittels eines Metallklebers darin befestigt.In the DE 85 15 290 U1 a generic compacting device is described. This device has at least one roller for compressing and perforating empty containers, wherein projecting from the base body of the roller pin elements, which are referred to as spikes, radially. The pin elements are in recordings of the roller body impacted and secured by means of a metal adhesive in it.

Aufgabe der vorliegenden Erfindung ist es, eine gattungsgemäße Kompaktiervorrichtung zur Verfügung zu stellen, mit der bei einfachem Aufbau auf sehr effektive Weise eine Kompaktierung von leeren Behältern erreicht werden kann.Object of the present invention is to provide a generic compacting available, with a simple construction in a very effective way, a compaction of empty containers can be achieved.

Diese Aufgabe wird durch eine Kompaktiervorrichtung gemäß Anspruch 1 gelöst.This object is achieved by a compacting apparatus according to claim 1.

Vorteilhafte Weiterbildungen sind Gegenstände der abhängigen Ansprüche.Advantageous developments are subject matters of the dependent claims.

Die erfindungsgemäße Kompaktiervorrichtung zum Kompaktieren leerer Behälter, insbesondere Getränkeflaschen oder -dosen aus Kunststoff oder Weißblech, ist dadurch gekennzeichnet, dass das mindestens eine Stiftelement als Spiralspannstift ausgeführt ist.The compacting device according to the invention for compacting empty containers, in particular beverage bottles or cans made of plastic or tinplate, is characterized in that the at least one pin element is designed as a spiral clamping pin.

Ein derartig aufgebautes Stiftelement ermöglicht es, neben einem bloßen Zusammendrücken eines Behälters im selben Vorgang auch eine Perforation des Behälters zu erzielen. Vorzugsweise sind hierfür eine Vielzahl von Stiftelementen am Walzengrundkörper angeordnet. Des Weiteren begünstigt ein derartiges abstehendes Stiftelement den Einzug eines Behälters, beispielsweise in dem das Stiftelement unebene Bereiche des Behälters hintergreift und auf diese Weise den Behälter mitführt. Aufgrund ihrer radialelastischen Eigenschaften ist gewährleistet, dass sich die Spiralspannstifte unter Belastungen, wie sie beim Betrieb der Kompaktiervorrichtung auftreten, nicht vom Walzengrundkörper lösen.Such a constructed pin element makes it possible to achieve a mere compression of a container in the same process and a perforation of the container. Preferably, a plurality of pin elements are arranged on the roller base body for this purpose. Furthermore, such a projecting pin element favors the collection of a container, for example, in which the pin element engages behind uneven areas of the container and in this way carries the container. Due to their radial elastic properties, it is ensured that the spiral tension pins do not detach from the roller base body under loads which occur during operation of the compacting device.

In vorteilhafter Ausgestaltung der Erfindung weist der Walzengrundkörper eine Aufnahme auf, in die das mindestens eine Stiftelement kraftschlüssig eingesetzt ist. Durch das kraftschlüssige Einsetzen des Stiftelements in den Walzengrundkörper ist zum einen gesichert, dass bei einer Beschädigung oder Abnutzung einzelner Stiftelemente die betroffenen Stiftelemente mit ausreichend hohem Kraftaufwand auswechselbar sind. Ein Austausch des Walzengrundkörpers, insbesondere auch eine Demontage des Walzengrundkörpers, wie beim Stand der Technik erforderlich, kann entfallen. Zum anderen gewährleistet die kraftschlüssige Verbindung zwischen dem Stiftelement und dem Walzengrundkörper auch, dass dieses den beim Zusammendrücken und Perforieren von Behältern wirkenden Kräften standhält, ohne sich vom Walzengrundkörper zu lösen.In an advantageous embodiment of the invention, the roller base body has a receptacle into which the at least one pin element is non-positively inserted. Due to the non-positive insertion of the pin member in the roller body is firstly ensured that in case of damage or wear of individual pin elements, the affected pin elements are replaceable with a sufficiently high force. An exchange of the roller body, in particular a disassembly of the roller body, as required in the prior art, can be omitted. On the other hand, the non-positive connection between the pin element and the roll base body also ensures that this withstands the forces acting on the compression and perforation of containers, without detaching itself from the roll body.

Dadurch, dass das mindestens eine Stiftelement vom Walzengrundkörper absteht, wird der Walzengrundkörper geringer belastet. Dies ist insbesondere dann der Fall, wenn eine Vielzahl von Stiftelementen gleichmäßig am Walzengrundkörper angeordnet ist. Dies ermöglicht es für die Ausbildung des Walzengrundköpers weniger stark belastbare Materialien zu verwenden, beispielsweise einen kostengünstigen Kunststoff. Beispielsweise kann der Walzengrundkörper als ein einstückiges Kunststoff-Spritzgussteil hergestellt werden.Due to the fact that the at least one pin element protrudes from the roller base body, the roller base body is loaded less. This is the case in particular when a plurality of pin elements is arranged uniformly on the roll base body. This makes it possible to use less strong materials for the formation of the Walzengrundköpers, for example, a low-cost plastic. For example, the roll base body can be produced as a one-piece plastic injection-molded part.

Die Erfindung wird im Folgenden anhand eines Ausführungsbeispieles, welches durch mehrere Figuren dargestellt ist, näher beschrieben. Dabei zeigt:

Fig. 1
eine schematische Seitenansicht einer Ausführungsform einer erfindungsgemäßen Kompaktiervorrichtung,
Fig. 2
eine Aufsicht auf eine erste Walze und eine zweite Walze der Kompaktiervorrichtung, und
Fig. 3 a-c
ein Spiralspannstift in einem unbelasteten Zustand, einem montiertem Zustand und einem Zustand unter einer Belastung.
The invention will be described in more detail below with reference to an embodiment which is represented by a plurality of figures. Showing:
Fig. 1
a schematic side view of an embodiment of a compacting device according to the invention,
Fig. 2
a plan view of a first roller and a second roller of the compacting device, and
Fig. 3 ac
a spiral tension pin in an unloaded state, a mounted state and a state under a load.

Gleiche oder einander entsprechende Bauteile sind in den Figuren mit denselben Bezugszeichen gekennzeichnet.Identical or corresponding components are identified in the figures with the same reference numerals.

Die Kompaktiervorrichtung 1 umfasst ein Gehäuse 17, zwei im Gehäuse 17 angeordnete Walzen 1a, 1b zum Kompaktieren leerer Behälter, insbesondere Getränkeflaschen oder -dosen aus Kunststoff oder Blech, beispielsweise Weißblech oder Aluminiumblech, eine ebenfalls im Gehäuse 17 angeordnete Zuführeinrichtung 13, mittels der zur Unterstützung des Einzuges eines Behälters durch die Walzen 1a, 1 b der Behälter gegen die Walzen 1a, 1 b andrückbar ist, und eine Antriebsvorrichtung 10, mittels der die Walzen 1a, 1 b und die Zuführeinrichtung 13 antreibbar ist.The compacting device 1 comprises a housing 17, two rollers 1a, 1b arranged in the housing 17 for compacting empty containers, in particular beverage bottles or cans made of plastic or sheet metal, for example tinplate or aluminum sheet, a feed device 13 likewise arranged in the housing 17, by means of support the entry of one Container is pressed by the rollers 1a, 1b of the container against the rollers 1a, 1b, and a drive device 10, by means of which the rollers 1a, 1b and the feed device 13 is drivable.

Das Gehäuse 17 weist in seinem oberen Bereich eine Eingangsöffnung 11 für das Eingeben von zu kompaktierenden Behältern auf. Eine schräg angeordnete Rutsche 21 ist dafür vorgesehen, die Behälter den Walzen 1 a, 1 b zuzuführen, die am Ende der Rutsche 21 angeordnet sind. Das Zuführen wird unterstützt durch eine Drehbewegung der Zuführeinrichtung 13. Die Zuführeinrichtung ist als Paddelwerk 13 ausgebildet und umfasst drei auf einer Paddelwelle 9 umlaufend gleichmäßig angeordnete Paddel 18. Ein Paddel 18 wird durch ein zweifach im Uhrzeigersinn nach innen abgewinkeltes Blech ausgebildet, wobei sich das Blech längs der Paddelwelle 19 erstreckt. Durch eine Drehbewegung der Paddelwelle 19 gegen den Uhrzeigersinn, in Fig.1 mit einem Pfeil 24 gekennzeichnet, führen die Paddel 18 einen leeren Behältern den Walzen 1 a, 1 b zu und drücken diesen gegen die Walzen 1 a, 1 b an, wodurch ein Einzug des Behälters durch die Walzen 1a, 1 b unterstützt wird. Die Paddelwelle 9 ist über ein Kugellager drehbar am Gehäuse 17 gelagert.The housing 17 has in its upper region an inlet opening 11 for the input of containers to be compacted. An obliquely arranged chute 21 is intended to supply the containers to the rollers 1 a, 1 b, which are arranged at the end of the chute 21. The feeding is supported by a rotational movement of the feeding device 13. The feeding device is designed as a paddle 13 and comprises three on a paddle shaft 9 circumferentially uniformly arranged paddle 18. A paddle 18 is formed by a twice clockwise inwardly angled sheet metal, wherein the sheet along the paddle shaft 19 extends. By a rotational movement of the paddle shaft 19 counterclockwise, in Fig.1 marked with an arrow 24, the paddle 18 lead an empty containers to the rollers 1 a, 1 b and press it against the rollers 1 a, 1 b, whereby a collection of the container by the rollers 1 a, 1 b is supported. The paddle shaft 9 is rotatably mounted on the housing 17 via a ball bearing.

Die Zuführeinrichtung 13 umfasst ein um die Achse der Paddelwelle 19 kreisförmig gebogenes Rückführblech 20, wobei sich das Rückführblech 20 von dem Bereich der Walzen 1 a, 1b bis zu einem Bereich oberhalb der Paddelwelle 19 erstreckt. Wird ein Behälter von den Walzen 1a, 1 b nicht eingezogen, so wird dieser Behälter durch die sich drehenden Paddel 18 mitgenommen, am Rückführblech 20 entlang geführt und gelangt über eine weitere Drehbewegung der Paddel 18 erneut zu den Walzen 1a, 1b.The feed device 13 comprises a return plate 20 which is curved in a circular manner about the axis of the paddle shaft 19, the return plate 20 extending from the region of the rollers 1a, 1b to a region above the paddle shaft 19. If a container of the rollers 1a, 1 b is not retracted, this container is taken by the rotating paddle 18, guided along the return plate 20 and passes through a further rotational movement of the paddle 18 again to the rollers 1a, 1b.

Die erste Walze 1a und die zweite Walze 1 b sind horizontal und zueinander parallel angeordnet. Die erste Walze 1a und die zweite Walze 1 b umfassen jeweils einen Walzengrundkörper 2a bzw. 2b und eine Vielzahl von Stiftelementen 3, die am jeweiligen Walzengrundkörper 2a, 2b angeordnet sind. Der erste Walzengrundkörper 2a ist auf einer ersten Antriebswelle 22a, der zweite Walzengrundkörper 1 b auf einer zweiten Welle 22b fest angeordnet. Die Wellen 22a, 22b sind mittels Kugellager rotierbar am Gehäuse 17 gelagert.The first roller 1a and the second roller 1b are arranged horizontally and parallel to each other. The first roller 1 a and the second roller 1 b each comprise a roller base body 2 a or 2 b and a plurality of pin elements 3, which are arranged on the respective roller base body 2 a, 2 b are. The first roller base body 2a is fixedly arranged on a first drive shaft 22a, the second roller base body 1b on a second shaft 22b. The shafts 22a, 22b are rotatably mounted on the housing 17 by means of ball bearings.

Der erste Walzengrundkörper 2a und der zweite Walzengrundkörper 2b weisen eine im Wesentlichen zylindrische Form auf. Die Walzengrundkörper 2a, 2b unterteilen sich des Weiteren in erste scheibenförmige Abschnitte 6 und zweite scheibenförmige Abschnitte 7. Die ersten Abschnitte und die zweiten Abschnitte 7 sind entlang jeweils einer Walzenachse 8a, 8b sich einander abwechselnd hintereinander angeordnet. Die Walzenachsen 8a, 8b entsprechen den Achsen der Wellen 22a bzw. 22b. Ein erster Abschnitt 6 ist dabei mit einem größeren Durchmesser als ein zweiter Abschnitt 7 ausgebildet. Die Breite der ersten Abschnitte 6 und der zweiten Abschnitte 7 sind gleich.The first roller base body 2a and the second roller base body 2b have a substantially cylindrical shape. Further, the roller base bodies 2a, 2b are subdivided into first disc-shaped sections 6 and second disc-shaped sections 7. The first sections and the second sections 7 are arranged alternately one behind the other along a respective roller axis 8a, 8b. The roll axes 8a, 8b correspond to the axes of the shafts 22a and 22b, respectively. A first section 6 is formed with a larger diameter than a second section 7. The width of the first sections 6 and the second sections 7 are the same.

In den ersten Abschnitten 6 sind Aufnahmen 4 für die Aufnahme von Stiftelementen 3 ausgebildet. Die zweiten Abschnitte 7 sind frei von derartigen Aufnahmen 4. Eine Aufnahme 4 wird durch eine zylinderförmige Aussparung gebildet, die radial nach außen weisend zur Walzenachse 8a bzw. 8b ausgerichtet ist. Ein erster Abschnitt 6 weist jeweils mehrere solcher Aufnahmen 4 auf, die umlaufend der Walzenachse 8a, 8b gleichmäßig versetzt angeordnet sind. Bezüglich benachbarten ersten Abschnitten 6 ist ein derartiger Satz von Aufnahmen 4 um einen bestimmten Winkel versetzt, hier 15 Grad, wodurch sich eine spiralförmige Anordnung der Aufnahmen 4 entlang der Walzenachsen 8a, 8b ergibt.In the first sections 6 receptacles 4 are formed for the reception of pin elements 3. The second sections 7 are free of such receptacles 4. A receptacle 4 is formed by a cylindrical recess, which is oriented radially outward facing the roller axis 8a and 8b. A first section 6 has in each case a plurality of such receptacles 4, which are arranged uniformly offset in the circumferential direction of the roll axis 8a, 8b. With respect to adjacent first sections 6, such a set of receptacles 4 is offset by a certain angle, here 15 degrees, resulting in a spiral arrangement of the receptacles 4 along the roller axes 8a, 8b.

Bis auf die ersten Abschnitte 6, die sich am jeweiligen Ende des Walzengrundkörpers 2a, 2b befinden, sind in sämtlichen Aufnahmen 4 Stiftelemente 3 eingesetzt. Die Tiefe der Aufnahmen 4 und der Radius der Aufnahmen 4 sind an die Stiftelemente 3 angepasst, so dass ein Stiftelement über einen Reibschluss in einer Aufnahme 4 befestigt ist und ein Stiftelement 3 mit einem Endabschnitt über die Aufnahme 4 hinaussteht.Except for the first sections 6, which are located at the respective end of the roller body 2a, 2b, 4 pin elements 3 are used in all recordings. The depth of the receptacles 4 and the radius of the receptacles 4 are adapted to the pin elements 3, so that a pin element on a frictional connection in a receptacle 4 is fixed and a pin member 3 protrudes with an end portion on the receptacle

Erste Walze 1a und zweite Walze 1 b sind derart voneinander beabstandet, dass Stiftelemente 3 der ersten Walze 1a in Zwischenbereiche 9 zwischen zwei ersten Abschnitten 6 der zweiten Walze 1 b und Stiftelemente 3 der zweiten Walze 1 b in Zwischenbereiche 9 zwischen zwei ersten Abschnitten 6 der ersten Walze 1a eingreifen.First roller 1a and second roller 1b are spaced apart such that pin elements 3 of the first roller 1a in intermediate regions 9 between two first sections 6 of the second roller 1b and pin elements 3 of the second roller 1b in intermediate regions 9 between two first sections 6 of FIG engage first roller 1a.

Als Stiftelement 3 wird ein Spiralspannstift 3 verwendet, siehe Figuren 3a bis 3c. Der Spiralspannstift 3 besteht aus einem spiralförmig aufgewickeltem elastischen Blech, vorzugsweise einem Federblech, der, um das Einsetzen in eine Aufnahme 4 zu erleichtern an einem Ende eine konisch geformte Schräge 23 aufweist. Im montierten Zustand, siehe Figur 3b, ist der Spiralspannstift 3 zusammengedrückt und steht damit radial unter Spannung. Aufgrund dieser radialen Spannung kann ein effektiver Kraftschluss mit dem Walzengrundkörper 2a, 2b erreicht werden. Unter Belastung im eingesetzten Zustand, siehe Figur 3c, kann sich der Spiralstift 3 weiter verformen. Ein Spiralspannstift 3 hat hier einen Durchmesser im Bereich von 5 bis 10 mm, vorzugsweise etwa 8 mm, und eine Länge im Bereich von 12 bis 30 mm, vorzugsweise etwa 21 mm.As a pin member 3, a spiral tension pin 3 is used, see FIGS. 3a to 3c , The spiral clamping pin 3 consists of a spirally wound elastic sheet metal, preferably a spring plate, which, in order to facilitate insertion into a receptacle 4 at one end has a conically shaped bevel 23. In assembled condition, see FIG. 3b , the spiral pin 3 is compressed and thus is radially under tension. Due to this radial stress, an effective frictional connection with the roller base body 2a, 2b can be achieved. Under load in the inserted state, see Figure 3c , the spiral pin 3 can continue to deform. A spiral tension pin 3 here has a diameter in the range of 5 to 10 mm, preferably about 8 mm, and a length in the range of 12 to 30 mm, preferably about 21 mm.

Die Antriebsvorrichtung 10, die hier einen Elektromotor umfasst, ist über nicht näher dargestellte Zahnräder und Antriebsketten mit den Wellen 22a, 22b der Walzen 1 a, 1 b und der Paddelwelle 19 zu deren Antrieb verbunden. Im Betrieb führen die Walzen 1a, 1b eine gegenläufige Rotationsbewegung aus, wobei sich die erste Welle 1a im Uhrzeigersinn und die zweite Welle 1b gegen den Uhrzeigersinn dreht. Die Paddelwelle 19 und damit die Paddel 18 drehen sich gegen den Uhrzeigersinn.The drive device 10, which here comprises an electric motor is connected via not shown gears and drive chains with the shafts 22a, 22b of the rollers 1 a, 1 b and the paddle shaft 19 to the drive. In operation, the rollers 1a, 1b rotate in opposite directions, with the first shaft 1a rotating clockwise and the second shaft 1b rotating counterclockwise. The paddle shaft 19 and thus the paddle 18 rotate counterclockwise.

Ein leerer Behälter, der über die Eingangsöffnung 11 oder über das Rückführblech 21 in den Bereich der Walzen 1a, 1b gelangt, wird durch die sich gegenläufig drehenden Walzen 1 a, 1 b in den Zwischenbereich der Walzen 1a, 1b eingezogen. Dieser Einzug wird durch die sich drehenden Paddeln 18 unterstützt, die einen leeren Behälter zusätzlich gegen die Walzen 1 a, 1 b pressen. Des Weiteren wird der Einzug durch die vom Walzengrundkörper 2a, 2b abstehenden Stiftelemente 3, die spiralförmig versetzt angeordnet sind, unterstützt. Im Regelfall wird der leere Behälter durch die Walzen 1a, 1b eingezogen und durch die Stiftelemente 3 und die Walzengrundkörper 2a, 2b perforiert und zusammengedrückt. Der auf diese Weise kompaktierte Behälter wird über die Ausgangsöffnung 12 ausgegeben. Im Falle eines Nichteinzuges wird ein leerer Behälter über das Rückführblech 21 und die sich drehenden Paddel 18 erneut den Walzen 1 a, 1b zugeführt.An empty container, which passes through the inlet opening 11 or via the return plate 21 in the region of the rollers 1a, 1b is fed by the counter-rotating rollers 1 a, 1 b in the intermediate region of the rollers 1a, 1b. This intake is supported by the rotating paddles 18, which additionally press an empty container against the rollers 1 a, 1 b. Furthermore, the feeder is supported by the pin base elements 2a, 2b projecting from the roller body 2a, which are arranged offset in a spiral. As a rule, the empty container is drawn in by the rollers 1a, 1b and perforated and compressed by the pin elements 3 and the roller base bodies 2a, 2b. The thus compacted container is discharged through the exit port 12. In the case of a non-feeding an empty container via the return plate 21 and the rotating paddle 18 again the rollers 1 a, 1 b supplied.

Es kann eine Abstreifvorrichtung vorgesehen sein, um das Abstreifen eines kompaktierten Behälters von den Walzen 1a, 1b zu unterstützen.A stripping device may be provided to assist in stripping a compacted container from the rollers 1a, 1b.

Die Walzengrundkörper 2a, 2b sind hier als einstückige Kunststoff-Spritzgußteile ausgebildet. Alternativ ist beispielsweise auch die Verwendung eines Walzengrundkörpers aus Metall möglich.The roller base body 2a, 2b are formed here as one-piece plastic injection molded parts. Alternatively, for example, the use of a metal roll body is possible.

Claims (9)

  1. Compacting device (1) for compacting empty containers, in particular drink bottles or drink cans made of plastic or tinplate, said device comprising at least one rotatable roller (1a, 1b) which is constructed for compressing and perforating empty containers, wherein the roller (1a, 1b) has a roller base body (2a, 2b) and at least one pin element (3) which protrudes from said roller base body (2a, 2b), and wherein at least that end face of the pin element which faces away from the roller base body (2a, 2b) is open,
    characterised in that the pin element (3) is designed as a spiral spring pin.
  2. Device according to claim 1,
    characterised in that the roller base body (2a, 2b) has at least one receptacle (4) in which the pin element (3) is inserted in a force-locking manner.
  3. Device according to claim 1 or 2,
    characterised in that the roller base body (2a, 2b) has, along one roller axis (8a, 8b), at least one first section (6) and at least one second section (7), wherein the first section (6) is constructed with a first diameter which is larger than a second diameter belonging to the second section (7), and the at least one pin element (3) is arranged in the at least one first section (6).
  4. Device according to claim 3,
    characterised in that a number of pin elements (3) are arranged on the at least one first section (6) in a uniformly offset manner.
  5. Device according to claim 3 or 4,
    characterised in that a number of pin elements (5) are arranged on a number of first sections (6) in a manner uniformly offset from section (6) to section (6).
  6. Device according to one of the preceding claims,
    characterised in that it comprises a first roller (1a) and a second roller (1b), which are arranged so as to be spaced apart parallel to one another.
  7. Device according to claim 6,
    characterised in that the first roller (1a) and the second roller (1b) are spaced apart from one another in such a way that the at least one pin element (3) belonging to the first roller (1a) engages in an intermediate region (9) between two first sections (6) belonging to the second roller (1b), and the at least one pin element (3) belonging to the second roller (1b) engages in an intermediate region (9) between two first sections (6) belonging to the first roller (1a, 1b).
  8. Device according to one of the preceding claims,
    characterised in that it additionally comprises a feed apparatus (13) for feeding a container to the at least one roller (1a, 1b).
  9. Device according to claim 8,
    characterised in that the feed apparatus (13) is constructed in such a way that a container which is not drawn in by the at least one roller (1a, 1b) is entrained by the feed apparatus (13) and is fed to the at least one roller (1a, 1b) again for drawing-in purposes.
EP09771676A 2008-11-13 2009-10-22 Compacting device Active EP2349661B1 (en)

Priority Applications (1)

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PL09771676T PL2349661T3 (en) 2008-11-13 2009-10-22 Compacting device

Applications Claiming Priority (2)

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DE102008057137A DE102008057137B4 (en) 2008-11-13 2008-11-13 compactor
PCT/DE2009/001480 WO2010054615A1 (en) 2008-11-13 2009-10-22 Compacting device

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EP2349661A1 EP2349661A1 (en) 2011-08-03
EP2349661B1 true EP2349661B1 (en) 2012-10-03

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US (1) US8910567B2 (en)
EP (1) EP2349661B1 (en)
JP (1) JP5592390B2 (en)
CN (1) CN102300685B (en)
AU (1) AU2009316109B2 (en)
CA (1) CA2743390A1 (en)
DE (2) DE102008057137B4 (en)
DK (1) DK2349661T3 (en)
ES (1) ES2405256T3 (en)
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WO (1) WO2010054615A1 (en)

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JP2012508652A (en) 2012-04-12
US8910567B2 (en) 2014-12-16
CN102300685B (en) 2015-07-29
AU2009316109A1 (en) 2010-05-20
DE102008057137B4 (en) 2011-01-20
JP5592390B2 (en) 2014-09-17
CA2743390A1 (en) 2010-05-20
AU2009316109B2 (en) 2015-09-10
DE102008057137A1 (en) 2010-05-20
DK2349661T3 (en) 2013-01-21
DE202008017890U1 (en) 2010-09-23
WO2010054615A1 (en) 2010-05-20
ES2405256T3 (en) 2013-05-30
CN102300685A (en) 2011-12-28
US20120017782A1 (en) 2012-01-26
EP2349661A1 (en) 2011-08-03
PL2349661T3 (en) 2013-05-31

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