EP1304169A2 - Shredder device - Google Patents

Shredder device Download PDF

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Publication number
EP1304169A2
EP1304169A2 EP02022047A EP02022047A EP1304169A2 EP 1304169 A2 EP1304169 A2 EP 1304169A2 EP 02022047 A EP02022047 A EP 02022047A EP 02022047 A EP02022047 A EP 02022047A EP 1304169 A2 EP1304169 A2 EP 1304169A2
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EP
European Patent Office
Prior art keywords
counter
comminution
tools
shredding
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02022047A
Other languages
German (de)
French (fr)
Other versions
EP1304169B1 (en
EP1304169A3 (en
Inventor
Rudolf Dipl.-Ing. Pretzler
Josef Ing. Heissenberger
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.)
Heissenberger and Pretzler GmbH
Original Assignee
Heissenberger and Pretzler GmbH
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Filing date
Publication date
Application filed by Heissenberger and Pretzler GmbH filed Critical Heissenberger and Pretzler GmbH
Publication of EP1304169A2 publication Critical patent/EP1304169A2/en
Publication of EP1304169A3 publication Critical patent/EP1304169A3/en
Application granted granted Critical
Publication of EP1304169B1 publication Critical patent/EP1304169B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/141—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with axial flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

Definitions

  • the invention relates to a shredding device, in particular for commercial waste and household waste-like materials, according to the preamble of claim 1.
  • Such crushing devices are already known. You assign one slowly running shredding roller, the shredding tools distributed over the circumference carries, and counter-cutting edges interacting with the shredding tools which are arranged on a shearbar tool carrier.
  • the Form counter-edges on the counter-edge tool holder compared to the Shredding roller with its shredding tools a pre-tensioned Pressure comb with which the crushing tools arranged in the crushing roller comb.
  • foreign object loading i.e. H. when it occurs a hard foreign body that cannot be shredded by the shredding device, for example a stone, the prestressed pressure comb is pressed away, so that the foreign body is cleared of the way.
  • the preload is so selected in this prior art that it is proportionate soft organic material can be shredded safely, but at Occurrence of a stone or other hard object that is cutting could damage the shearbar tool carrier with the shearbars can be moved away from an engaged position.
  • a disadvantage of this It is state of the art, however, that the foreign body is comminuted into the Arrived well. In addition, the crushing tools and shearbars worn out by frequent occurrence of foreign bodies.
  • the object of the invention is a generic shredding device of this type to further that the structure is simplified, in particular the Warehousing of wear parts to be replaced is as simple and low as possible to be held.
  • this task is based on a generic comminution device according to the preamble of claim 1 by the combination solved with the characterizing features of claim 1. Accordingly both the shredding tools on the shredding roller as well as the Counter knife tools on the counter knife tool carrier identical built up.
  • the counter cutting tools offset on the counter-cutting tool carrier be arranged. This minimizes the cutting or tearing force, because Here, a counter-cutting tool is first used to engage the shredding tool and then passing the adjacent shearbar tool. This results in an offset cut with smaller force peaks.
  • the Counter cutting tool carrier strips can be arranged such that they too Axially transport crushing material in the compression process. You can do this the strips arranged on the counter-cutting tool carrier are set at an angle his.
  • the crushing tools can be used to improve the material feed the shredding roller can be arranged spirally next to each other.
  • the cutting gap adjustment between the shredding roller and the substantially from the shearbar tool carrier and the shearbar tools existing counter-cutting unit can have two laterally arranged Wedges can be adjustable.
  • the wedges can be switched by two synchronously Hydraulic cylinder units are moved in or out. The movement takes place coaxially to the shredding roller, the counter surfaces of the wedges are frame-fixed. To adjust the cutting gap by swiveling To reach the entire counter comb, the wedges are stepless pushed onto the frame-fixed counter surfaces. To ensure a full coverage of the To ensure wedges, these can be guided in the guides and cylindrical be freely rotatable so that they face the surface of the flat support can align.
  • Additional wipers can be provided between the ones on the comminution roller arranged crushing tools grip.
  • the counter cutting tool or the shredding tool can be in its Projection essentially correspond to an equilateral triangle, in which in teeth protruding from the rounded corners of the triangle.
  • the shredding tool or the counter-cutting tool can each on a corresponding holding device can be fixed using a single screw be, it is secured against rotation by a positive connection.
  • the comminution tool and the counter-cutting tool can be particularly advantageous rotatable by 120 ° relative to the holding device be mountable.
  • a shredding device 10 is shown, for example, on can be mounted on a truck.
  • the comminution device 10 has a filling funnel 12 for filling the material to be shredded, for example organic Materials, on.
  • Below the hopper 12 is initially slow running shredding roller 14 with a roller base 16 and shredding tools 18 arranged.
  • Below the comminution roller 14 is a Recording room 20 for the comminuted material and one not shown here Conveyor belt arranged to remove the shredded goods.
  • the shredding roller 14 acts in a manner known per se with a counter-cutting unit 22 together, consisting of a shear bar tool carrier 26 and on this arranged counter-cutting tools 28 there.
  • the entire counter-cutting unit is pivotable about a pin 30 stored.
  • the counter-cutting unit is pivoted via two in the present one Representation of wedges not shown in detail, which are shown in FIG. 2 over two - Synchronously connected hydraulic cylinder piston units 40 and 42 respectively be moved inside or outside, so that they are also not in the drawing shown counter surfaces, which are designed to be fixed to the frame, slide and thus a pivoting of the counter-cutting unit 22 in the direction of gravity enable.
  • the counter-cutting unit pivots when it engages with the corresponding counter surfaces 22 downward in the direction of gravity, so that the entire counter-cutting unit 22 is no longer engaged with the shredding roller.
  • these are also not in detailed manner guided in guides cylindrical and thus free rotatable so that they can adapt to their contact surface.
  • scrapers arranged side by side act like a comb 36 together, in particular from Fig. 1 and the perspective view 2 are shown.
  • the comminution tools 18 on the roller base body 16 omitted.
  • the comminution roller 14 is shown in the representations a and b, wherein here several rows of shredding tools arranged spirally to each other 18 are applied.
  • This one 6 are a comminution tool 18 or a counter-cutting tool 26.
  • the counter cutting tool 18 or comminution tool 26 is essentially in its projection an equilateral triangle with rounded corners. In the area of rounded Corners are, as from the perspective illustration according to FIG. 6 clearly, protruding teeth 38 formed.
  • the crushing tool 18 or the counter cutting tool 26 are on a corresponding holding device 44 held, the holding device 44 in the embodiment shown here is formed in two parts. Both parts 44 are on the roller base body 16 or the counter cutting tool holder 24 is welded on.
  • About a single one Screw 46 becomes the counter-cutting tool and the shredding tool attached to the holding device 44 and held by means of a nut 48.
  • about Recesses 50 in the shredding tool 18 or in the counter-cutting tool 26 engage pin 52 of the holding device 44 in a form-fitting manner.
  • the tool can wear 120 ° each after wear of one of the teeth 38 are rotated so that here all the incisors 38 in sequence evenly can be worn. With this arrangement, the service life of the Shredding tool 18 or the counter-cutting tool 26 essential be extended.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

A crusher for household and commercial wastes has a slow-turning crusher drum with an external series of peripheral crushing tools moving against a counter-face with an array especially of identical tools.

Description

Die Erfindung betrifft eine Zerkleinerungsvorrichtung, insbesondere für Gewerbeabfälle und hausmüllähnliche Materialien, nach dem Oberbegriff des Anspruchs 1.The invention relates to a shredding device, in particular for commercial waste and household waste-like materials, according to the preamble of claim 1.

Derartige Zerkleinerungsvorrichtungen sind bereits bekannt. Sie weisen eine langsam laufende Zerkleinerungswalze, die auf Umfang verteilte Zerkleinerungswerkzeuge trägt, und mit den Zerkleinerungswerkzeugen zusammenwirkende Gegenschneiden auf, die auf einem Gegenschneidenwerkzeugträger angeordnet sind. Die Gegenschneiden auf dem Gegenschneidenwerkzeugträger bilden gegenüber der Zerkleinerungswalze mit ihren Zerkleinerungswerkzeugen einen vorgespannten Anpresskamm, mit denen die in der Zerkleinerungswalze angeordneten Zerkleinerungswerkzeuge kämmen. Bei einer Fremdkörperbefrachtung, d. h. bei Auftreten eines harten und durch die Zerkleinerungsvorrichtung nicht zerkleinerbaren Fremdkörpers, beispielsweise eines Steins, wird der vorgespannte Anpresskamm weggepresst, sodaß dadurch dem Fremdkörper der Weg freigegeben wird. Die Vorspannung wird also bei diesem Stand der Technik so vorgewählt, daß zwar das verhältnismäßig weiche organische Material sicher zerkleinert werden kann, daß aber bei Auftreten eines Steins oder eines anderen harten Gegenstandes, der die Schneiden beschädigen könnte, der Gegenschneidenwerkzeugträger mit den Gegenschneiden aus einer Eingriffsposition wegbewegt werden kann. Nachteilig bei diesem Stand der Technik ist es allerdings, daß der Fremdkörper mit in das zerkleinerte Gut gelangt. Darüber hinaus werden die Zerkleinerungswerkzeuge und Gegenschneiden durch häufiges Auftreten von Fremdkörpern abgenutzt.Such crushing devices are already known. You assign one slowly running shredding roller, the shredding tools distributed over the circumference carries, and counter-cutting edges interacting with the shredding tools which are arranged on a shearbar tool carrier. The Form counter-edges on the counter-edge tool holder compared to the Shredding roller with its shredding tools a pre-tensioned Pressure comb with which the crushing tools arranged in the crushing roller comb. In the case of foreign object loading, i.e. H. when it occurs a hard foreign body that cannot be shredded by the shredding device, for example a stone, the prestressed pressure comb is pressed away, so that the foreign body is cleared of the way. The preload is so selected in this prior art that it is proportionate soft organic material can be shredded safely, but at Occurrence of a stone or other hard object that is cutting could damage the shearbar tool carrier with the shearbars can be moved away from an engaged position. A disadvantage of this It is state of the art, however, that the foreign body is comminuted into the Arrived well. In addition, the crushing tools and shearbars worn out by frequent occurrence of foreign bodies.

Aus dem deutschen Gebrauchsmuster 298 09 078 ist eine gattungsgemäße Lösung bekannt geworden, bei der die Zerkleinerungswalze für den Fall anhaltbar ist, daß bei Eintreten eines Fremdkörpers in den Zerkleinerungsbereich ein Grenzmoment überschritten wird. Beim Erreichen dieses Grenzmoments wird die Gegenschneideneinheit insgesamt über eine Kolbenzylinderanordnung von der Zerkleinerungswalze weggeschwenkt. Der Fremdkörper kann nun entnommen werden, ohne daß er die Zerkleinerungswerkzeuge abnutzt.From the German utility model 298 09 078 is a generic solution has become known in which the shredding roller can be stopped in the event that a limit moment when a foreign object enters the shredding area is exceeded. When this limit torque is reached, the counter knife unit overall via a piston-cylinder arrangement from the shredding roller pivoted away. The foreign body can now be removed without that he wears out the crushing tools.

Bei dem vorbekannten Stand der Technik sind allerdings sowohl die Zerkleinerungswalze wie auch die Gegenschneideneinheit vergleichsweise komplex aufgebaut.In the prior art, however, both the shredding roller as well as the counter-cutter unit are comparatively complex.

Aufgabe der Erfindung ist es, eine gattungsgemäße Zerkleinerungsvorrichtung derart weiterzubilden, daß der Aufbau vereinfacht wird, wobei insbesondere auch die Lagerhaltung der auszuwechselnden Verschleißteile möglichst vereinfacht und gering gehalten werden soll.The object of the invention is a generic shredding device of this type to further that the structure is simplified, in particular the Warehousing of wear parts to be replaced is as simple and low as possible to be held.

Erfindungsgemäß wird diese Aufgabe ausgehend von einer gattungsgemäßen Zerkleinerungsvorrichtung nach dem Oberbegriff des Anspruchs 1 durch die Kombination mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst. Demnach sind sowohl die Zerkleinerungswerkzeuge auf der Zerkleinerungswalze wie auch die Gegenschneidenwerkzeuge auf dem Gegenschneidenwerkzeugträger identisch aufgebaut.According to the invention, this task is based on a generic comminution device according to the preamble of claim 1 by the combination solved with the characterizing features of claim 1. Accordingly both the shredding tools on the shredding roller as well as the Counter knife tools on the counter knife tool carrier identical built up.

Hierdurch ist ein vereinfachter Aufbau und insbesondere eine wesentlich vereinfachte Lagerhaltung für die Werkzeuge geschaffen, da nunmehr nur noch ein Werkzeugtyp vorgehalten werden muß, der sowohl als Zerkleinerungswerkzeug auf der Zerkleinerungswalze wie auch als Gegenschneidenwerkzeug auf dem Gegenschneidenwerkzeugträger einsetzbar ist.This is a simplified structure and in particular a much simplified one Storage for the tools created, since now only one Tool type must be kept, both as a shredding tool the shredding roller as well as a shear bar tool on the shear bar tool carrier can be used.

Besondere Ausgestaltungen der Erfindung ergeben sich aus den sich an den Hauptanspruch anschließenden Unteransprüchen.Special embodiments of the invention result from the Subordinate claims following main claim.

So können gemäß einer ersten bevorzugten Ausgestaltung der Erfindung die Gegenschneidenwerkzeuge auf dem Gegenschneidenwerkzeugträger versetzt zueinander angeordnet sein. Hierdurch wird die Schneid- bzw. Reißkraft minimiert, da hier über den Eingriff des Zerkleinerungswerkzeugs zuerst ein Gegenschneidenwerkzeug und dann das benachbarte Gegenschneidenwerkzeug passiert wird. Hierdurch wird ein versetzter Schnitt mit kleineren Kraftspitzen erreicht.Thus, according to a first preferred embodiment of the invention, the counter cutting tools offset on the counter-cutting tool carrier be arranged. This minimizes the cutting or tearing force, because Here, a counter-cutting tool is first used to engage the shredding tool and then passing the adjacent shearbar tool. This results in an offset cut with smaller force peaks.

Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung können an dem Gegenschneidenwerkzeugtäger Leisten derart angeordnet sein, daß sie das zu zerkleinernde Material im Verdichtungsvorgang axial transportieren. Hierzu können die auf dem Gegenschneidenwerkzeugträger angeordneten Leisten schräg angestellt sein.According to a further preferred embodiment of the invention, the Counter cutting tool carrier strips can be arranged such that they too Axially transport crushing material in the compression process. You can do this the strips arranged on the counter-cutting tool carrier are set at an angle his.

Zur Verbesserung des Materialeinzugs können die Zerkleinerungswerkzeuge auf der Zerkleinerungswalze spiralförmig nebeneinander angeordnet sein.The crushing tools can be used to improve the material feed the shredding roller can be arranged spirally next to each other.

Die Schnittspaltverstellung zwischen der Zerkleinerungswalze und der im wesentlichen aus dem Gegenschneidenwerkzeugträger und den Gegenschneidenwerkzeugen bestehenden Gegenschneideneinheit können über zwei jeweils seitlich angeordnete Keile einstellbar sein. Die Keile können durch zwei synchron geschaltene Hydraulikzylindereinheiten nach innen bzw. außen bewegt werden. Die Bewegung erfolgt hierbei koaxial zur Zerkleinerungswalze, wobei die Gegenflächen der Keile rahmenfest ausgeführt sind. Um die Verstellung des Schnittspalts durch Verschwenken des gesamten Gegenkammes zu erreichen, werden die Keile stufenlos auf die rahmenfesten Gegenflächen geschoben. Um eine vollflächige Auflage der Keile zu gewährleisten, können diese in den Führungen zylindrisch geführt sein und frei verdrehbar sein, so daß sie sich jeweils zur Oberfläche der flächigen Auflage ausrichten können.The cutting gap adjustment between the shredding roller and the substantially from the shearbar tool carrier and the shearbar tools existing counter-cutting unit can have two laterally arranged Wedges can be adjustable. The wedges can be switched by two synchronously Hydraulic cylinder units are moved in or out. The movement takes place coaxially to the shredding roller, the counter surfaces of the wedges are frame-fixed. To adjust the cutting gap by swiveling To reach the entire counter comb, the wedges are stepless pushed onto the frame-fixed counter surfaces. To ensure a full coverage of the To ensure wedges, these can be guided in the guides and cylindrical be freely rotatable so that they face the surface of the flat support can align.

Es können zusätzliche Abstreifer vorgesehen sein, die zwischen die auf der Zerkleinerungswalze angeordneten Zerkleinerungswerkzeuge greifen.Additional wipers can be provided between the ones on the comminution roller arranged crushing tools grip.

Das Gegenschneidenwerkzeug bzw. das Zerkleinerungswerkzeug kann in seiner Projektion im wesentlichen einem gleichseitigen Dreieck entsprechen, bei dem in den abgerundeten Ecken des Dreiecks vorstehende Zähne ausgebildet sind.The counter cutting tool or the shredding tool can be in its Projection essentially correspond to an equilateral triangle, in which in teeth protruding from the rounded corners of the triangle.

Das Zerkleinerungswerkzeug bzw. das Gegenschneidenwerkzeug kann jeweils auf einer entsprechenden Haltevorrichtung über eine einzelne Schraube festlegbar sein, wobei es über einen Formschluß gegen Verdrehung gesichert ist.The shredding tool or the counter-cutting tool can each on a corresponding holding device can be fixed using a single screw be, it is secured against rotation by a positive connection.

Ganz besonders vorteilhaft kann das Zerkleinerungswerkzeug und das Gegenschneidenwerkzeug gegenüber der Haltevorrichtung jeweils um 120° verdrehbar montierbar sein.The comminution tool and the counter-cutting tool can be particularly advantageous rotatable by 120 ° relative to the holding device be mountable.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Fig. 1:
eine schematische Darstellung der Zerkleinerungsvorrichtung nach einer bevorzugten Ausführungsvariante der Erfindung,
Fig. 2:
eine perspektivische Ansicht der Zerkleinerungsvorrichtung,
Fig. 3:
eine perspektivische Ansicht der Gegenschneideneinheit der Zerkleinerungsvorrichtung nach Anspruch 2,
Fig. 4, a, b, c:
jeweils eine Seitenansicht, eine Draufsicht und eine Ansicht von vorne der Gegenschneideneinheit nach Fig. 3,
Fig. 5, a, b:
eine Seitenansicht und eine Draufsicht auf eine Zerkleinerungswalze der erfindungsgemäßen Zerkleinerungsvorrichtung und
Fig. 6:
ein Detail eines Zerkleinerungswerkzeuges, explosionsartig auseinandergezogen.
Further details and advantages of the invention are explained in more detail with reference to an embodiment shown in the drawing. Show it:
Fig. 1:
1 shows a schematic illustration of the comminution device according to a preferred embodiment variant of the invention,
Fig. 2:
a perspective view of the shredding device,
Fig. 3:
2 shows a perspective view of the counter-cutting unit of the comminution device according to claim 2,
4, a, b, c:
in each case a side view, a top view and a front view of the counter-cutting unit according to FIG. 3,
5, a, b:
a side view and a plan view of a shredding roller of the shredding device according to the invention and
Fig. 6:
a detail of a shredding tool, exploded apart.

In Fig. 1 ist eine Zerkleinerungsvorrichtung 10 dargestellt, die beispielsweise auf einem Lkw montierbar ist. Die Zerkleinerungsvorrichtung 10 weist einen Einfülltrichter 12 zum Einfüllen des zu zerkleinernden Materials, beispielsweise organischen Materials, auf. Unterhalb des Einfülltrichters 12 ist zunächst eine langsam laufende Zerkleinerungswalze 14 mit einem Walzengrundkörper 16 und Zerkleinerungswerkzeugen 18 angeordnet. Unterhalb der Zerkleinerungswalze 14 ist ein Aufnahmeraum 20 für das zerkleinerte Gut sowie ein hier nicht näher dargestelltes Förderband zum Abtransport des zerkleinerten Gutes angeordnet. Die Zerkleinerungswalze 14 wirkt in an sich bekannter Weise mit einer Gegenschneideneinheit 22 zusammen, die aus einem Gegenschneidenwerkzeugträger 26 und auf diesem angeordneten Gegenschneidenwerkzeugen 28 besteht. Dabei kämmen die Zerkleinerungswerkzeuge 18 mit den Gegenschneidenwerkzeugen 28. Zur Spalteinstellung zwischen den Gegenschneidenwerkzeugen 26 und den Zerkleinerungswerkzeugen 18 ist die gesamte Gegenschneideneinheit um einen Zapfen 30 schwenkbar gelagert.In Fig. 1, a shredding device 10 is shown, for example, on can be mounted on a truck. The comminution device 10 has a filling funnel 12 for filling the material to be shredded, for example organic Materials, on. Below the hopper 12 is initially slow running shredding roller 14 with a roller base 16 and shredding tools 18 arranged. Below the comminution roller 14 is a Recording room 20 for the comminuted material and one not shown here Conveyor belt arranged to remove the shredded goods. The shredding roller 14 acts in a manner known per se with a counter-cutting unit 22 together, consisting of a shear bar tool carrier 26 and on this arranged counter-cutting tools 28 there. The shredding tools comb 18 with the shear bar tools 28. For gap adjustment between the counter-cutting tools 26 and the shredding tools 18, the entire counter-cutting unit is pivotable about a pin 30 stored.

Die Verschwenkung der Gegenschneideneinheit erfolgt über zwei in der hier vorliegenden Darstellung nicht näher gezeigte Keile, die über zwei - in der Fig. 2 dargestellt - synchron geschaltete Hydraulikzylinderkolbeneinheiten 40 bzw. 42 nach innen bzw. außen bewegt werden, sodaß sie sich auf ebenfalls nicht in der Zeichnung dargestellte Gegenflächen, die rahmenfest ausgeführt sind, abgleiten und somit eine Verschwenkung der Gegenschneideneinheit 22 in Schwerkraftrichtung ermöglichen. Soweit die Keile vollständig zurückgezogen sind, also nicht mehr im Eingriff mit den entsprechenden Gegenflächen stehen, verschwenkt die Gegenschneideneinheit 22 in Schwerkraftrichtung nach unten, so daß die gesamte Gegenschneideneinheit 22 nicht mehr mit der Zerkleinerungswalze im Eingriff steht. Um eine flächige Auflage der Keile zu gewährleisten, sind diese ebenfalls in nicht näher dargestellter Art und Weise in Führungen zylindrisch geführt und damit frei verdrehbar, so daß sie sich an ihre Anlagefläche anpassen können.The counter-cutting unit is pivoted via two in the present one Representation of wedges not shown in detail, which are shown in FIG. 2 over two - Synchronously connected hydraulic cylinder piston units 40 and 42 respectively be moved inside or outside, so that they are also not in the drawing shown counter surfaces, which are designed to be fixed to the frame, slide and thus a pivoting of the counter-cutting unit 22 in the direction of gravity enable. As far as the wedges are completely retracted, so no longer in The counter-cutting unit pivots when it engages with the corresponding counter surfaces 22 downward in the direction of gravity, so that the entire counter-cutting unit 22 is no longer engaged with the shredding roller. In order to ensure a flat support of the wedges, these are also not in detailed manner guided in guides cylindrical and thus free rotatable so that they can adapt to their contact surface.

Mit der Zerkleinerungswalze 14 wirken kammartig nebeneinander angeordnete Abstreifer 36 zusammen, die insbesondere aus Fig. 1 und der perspektivischen Darstellung gemäß Fig. 2 gezeigt sind. In der perspektivischen Darstellung gemäß Fig. 2 sind aus Vereinfachungsgründen die Zerkleinerungswerkzeuge 18 auf dem Walzengrundkörper 16 weggelassen.With the comminution roller 14, scrapers arranged side by side act like a comb 36 together, in particular from Fig. 1 and the perspective view 2 are shown. In the perspective view according to FIG. 2 are, for reasons of simplification, the comminution tools 18 on the roller base body 16 omitted.

In den Figuren 3 und 4 a, b, c ist die Gegenschneideneinheit 22 getrennt dargestellt. Aus dieser Darstellung wird deutlich, daß die Gegenschneidenwerkzeuge 26, die sich jeweils benachbart sind, versetzt gegenüber den jeweils folgenden Gegenschneidenwerkzeugen angeordnet sind. Dabei ist der Versatz hier alternierend angeordnet. Oberhalb der Gegenschneidenwerkzeuge 26 sind Leisten 34 nebeneinander angeordnet, die über einen Teil ihrer Länge schräg zu den Gegenschneidenwerkzeugen 26 hin verlaufen.3 and 4 a, b, c, the counter-cutting unit 22 is shown separately. From this illustration it is clear that the counter-cutting tools 26, which are adjacent to each other, offset in relation to the following counter-cutting tools are arranged. The offset is arranged alternately here. Bars 34 are next to one another above the counter-cutting tools 26 arranged over a part of their length obliquely to the counter cutting tools 26 run.

In Fig. 5 ist die Zerkleinerungswalze 14 in den Darstellungen a und b gezeigt, wobei hier mehrere Reihen von spiralförmig zueinander angeordneten Zerkleinerungswerkzeugen 18 aufgebracht sind.5, the comminution roller 14 is shown in the representations a and b, wherein here several rows of shredding tools arranged spirally to each other 18 are applied.

Aus Fig. 6 wird deutlich, wie die jeweiligen Werkzeuge ausgestaltet sind. Da diese identisch ausgeführt sind, kann es sich in der Fig. 6 um ein Zerkleinerungswerkzeug 18 oder um ein Gegenschneidenwerkzeug 26 handeln. Das Gegenschneidenwerkzeug 18 bzw. Zerkleinerungswerkzeug 26 ist in seiner Projektion im wesentlichen ein gleichseitiges Dreieck mit abgerundeten Ecken. Im Bereich der abgerundeten Ecken sind, wie aus der perspektivischen Darstellung gemäß der Fig. 6 deutlich, vorstehende Zähen 38 ausgebildet. Das Zerkleinerungswerkzeug 18 bzw. das Gegenschneidenwerkzeug 26 sind auf einer entsprechenden Haltevorrichtung 44 gehalten, wobei die Haltevorrichtung 44 im hier dargestellten Ausführungsbeispiel zweiteilig ausgebildet ist. Beide Teile 44 sind auf dem Walzengrundkörper 16 bzw. dem Gegenschneidenwerkzeugträger 24 aufgeschweißt. Über eine einzelne Schraube 46 wird das Gegenschneidenwerkzeug und das Zerkleinerungswerkzeug auf der Haltevorrichtung 44 befestigt und mittels einer Mutter 48 gehalten. Über Ausnehmungen 50 im Zerkleinerungswerkzeug 18 bzw. im Gegenschneidenwerkzeug 26 greifen Zapfen 52 der Haltevorrichtung 44 formschlüssig ein.6 shows how the respective tools are designed. This one 6 are a comminution tool 18 or a counter-cutting tool 26. The counter cutting tool 18 or comminution tool 26 is essentially in its projection an equilateral triangle with rounded corners. In the area of rounded Corners are, as from the perspective illustration according to FIG. 6 clearly, protruding teeth 38 formed. The crushing tool 18 or the counter cutting tool 26 are on a corresponding holding device 44 held, the holding device 44 in the embodiment shown here is formed in two parts. Both parts 44 are on the roller base body 16 or the counter cutting tool holder 24 is welded on. About a single one Screw 46 becomes the counter-cutting tool and the shredding tool attached to the holding device 44 and held by means of a nut 48. about Recesses 50 in the shredding tool 18 or in the counter-cutting tool 26 engage pin 52 of the holding device 44 in a form-fitting manner.

Dabei handelt es sich, wie in Fig. 6 dargestellt, um drei Zapfen 52, die symmetrisch angeordnet sind. Aufgrund der entsprechenden Anordnung, wie sie in Fig. 6 dargestellt ist, kann das Werkzeug nach Verschleiß eines der Zähne 38 jeweils um 120° gedreht werden, so daß hier sämtliche Schneidezähne 38 der Reihe nach gleichmäßig abgenutzt werden können. Durch diese Anordnung kann die Standzeit des Zerkleinerungswerkzeugs 18 bzw. des Gegenschneidenwerkzeugs 26 wesentlich verlängert werden.As shown in FIG. 6, there are three pins 52 which are symmetrical are arranged. Due to the corresponding arrangement, as shown in Fig. 6 is, the tool can wear 120 ° each after wear of one of the teeth 38 are rotated so that here all the incisors 38 in sequence evenly can be worn. With this arrangement, the service life of the Shredding tool 18 or the counter-cutting tool 26 essential be extended.

Claims (10)

Zerkleinerungsvorrichtung, insbesondere für Gewerbeabfälle und hausmüllähnliche Materialien, mit einer langsam laufenden Zerkleinerungswalze, die auf Umfang verteilt Zerkleinerungswerkzeuge trägt, und mit den Zerkleinerungswerkzeugen zusammenwirkenden Gegenschneidenwerkzeugen, die auf einem Gegenschneidenwerkzeugträger angeordnet sind,
dadurch gekennzeichnet, daß die Zerkleinerungswerkzeuge auf der Zerkleinerungswalze und die Gegenschneidenwerkzeuge auf dem Gegenschneidenwerkzeugträger identisch sind. Shredding device, in particular for industrial waste and household-like materials, with a slow-running shredding roller, which carries shredding tools distributed over the circumference, and counter-cutting tools interacting with the shredding tools, which are arranged on a shear-tool holder,
characterized in that the shredding tools on the shredding roller and the shearbar tools on the shearbar tool carrier are identical. Zerkleinerungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Gegenschneidenwerkzeuge auf dem Gegenschneidenwerkzeugträger versetzt zueinander angeordnet sind.Comminution device according to claim 1, characterized in that the counter-cutting tools are arranged offset on the counter-cutting tool carrier. Zerkleinerungsvorrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß an dem Gegenschneidenwerkzeugträger Leisten derart angeordnet sind, daß sie das zu zerkleinernde Material im Verdichtungsvorgang axial transportieren.Comminution device according to Claim 1 or Claim 2, characterized in that strips are arranged on the counter-cutting tool carrier in such a way that they axially transport the material to be comminuted in the compression process. Zerkleinerungsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Zerkleinerungswerkzeuge auf der Zerkleinerungswalze spiralförmig nebeneinander angeordnet sind.Comminution device according to one of claims 1 to 3, characterized in that the comminution tools are arranged spirally next to one another on the comminution roller. Zerkleinerungsvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Schnittspaltverstellung zwischen der Zerkleinerungswalze und der im wesentlichen aus dem Gegenschneidenwerkzeugträger und den Gegenschneidenwerkzeugen bestehenden Gegenschneideneinheit über zwei jeweils seitlich angeordnete Keile einstellbar ist.Comminution device according to one of claims 1 to 4, characterized in that the cutting gap adjustment between the comminution roller and the counter-cutter unit consisting essentially of the counter-cutter tool carrier and the counter-cutter tools can be adjusted by means of two wedges arranged laterally. Zerkleinerungsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Keile über zwei synchron zueinander ansteuerbare Kolbenzylindereinheiten gegenüber einer gestellfesten Schräge verschiebbar sind, um so den Schnittspalt zu verstellen.Comminution device according to claim 5, characterized in that the wedges can be displaced relative to a bevel fixed to the frame by means of two piston-cylinder units which can be controlled synchronously with one another, so as to adjust the cutting gap. Zerkleinerungsvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß zusätzlich Abstreifer vorgesehen sind, die zwischen die auf der Zerkleinerungswalze angeordneten Zerkleinerungswerkzeuge greifen.Comminution device according to one of claims 1 to 6, characterized in that scrapers are additionally provided which engage between the comminution tools arranged on the comminution roller. Zerkleinerungsvorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Gegenschneidenwerkzeug bzw. das Zerkleinerungswerkzeug in seiner Projektion im wesentlichen einem gleichseitigen Dreieck entspricht und daß in den abgerundeten Ecken des Dreiecks vorstehende Zähne ausgebildet sind.Comminution device according to one of claims 1 to 7, characterized in that the counter-cutting tool or the comminution tool essentially corresponds in its projection to an equilateral triangle and that projecting teeth are formed in the rounded corners of the triangle. Zerkleinerungsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß das Zerkleinerungswerkzeug bzw. das Gegenschneidenwerkzeug auf einer entsprechenden Haltevorrichtung über eine einzelne Schraube festlegbar ist, wobei es über einen Formschluß gegen Verdrehung gesichert ist.Comminution device according to claim 8, characterized in that the comminution tool or the counter-cutting tool can be fixed on a corresponding holding device by means of a single screw, wherein it is secured against rotation by a positive connection. Zerkleinerungsvorrichtung nach Anspruch 8 bzw. 9, dadurch gekennzeichnet, daß das Zerkleinerungswerkzeug und das Gegenschneidenwerkzeug gegenüber der Haltevorrichtung jeweils um 120° verdrehbar montierbar ist.Comminution device according to claim 8 or 9, characterized in that the comminution tool and the counter-cutting tool can each be rotated by 120 ° relative to the holding device.
EP02022047A 2001-10-18 2002-10-01 Shredder device Expired - Lifetime EP1304169B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20117145U 2001-10-18
DE20117145 2001-10-18
DE20201236U DE20201236U1 (en) 2001-10-18 2002-01-28 comminution device
DE20201236U 2002-01-28

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EP1304169A2 true EP1304169A2 (en) 2003-04-23
EP1304169A3 EP1304169A3 (en) 2003-08-13
EP1304169B1 EP1304169B1 (en) 2004-09-22

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US (1) US20030075628A1 (en)
EP (1) EP1304169B1 (en)
AT (1) ATE276832T1 (en)
DE (2) DE20201236U1 (en)
DK (1) DK1304169T3 (en)
ES (1) ES2229041T3 (en)

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US7938350B2 (en) 2004-09-16 2011-05-10 Doppstadt Calbe Gmbh Knife holder for comminution devices
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Also Published As

Publication number Publication date
EP1304169B1 (en) 2004-09-22
US20030075628A1 (en) 2003-04-24
EP1304169A3 (en) 2003-08-13
DE20201236U1 (en) 2002-08-29
DE50201080D1 (en) 2004-10-28
ES2229041T3 (en) 2005-04-16
ATE276832T1 (en) 2004-10-15
DK1304169T3 (en) 2005-01-10

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