EP2617494B1 - Tool for a reduction device - Google Patents

Tool for a reduction device Download PDF

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Publication number
EP2617494B1
EP2617494B1 EP20120005496 EP12005496A EP2617494B1 EP 2617494 B1 EP2617494 B1 EP 2617494B1 EP 20120005496 EP20120005496 EP 20120005496 EP 12005496 A EP12005496 A EP 12005496A EP 2617494 B1 EP2617494 B1 EP 2617494B1
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EP
European Patent Office
Prior art keywords
tool
comminution
tools
tool body
accordance
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Active
Application number
EP20120005496
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German (de)
French (fr)
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EP2617494A1 (en
Inventor
Franz Hierz
Gerhard Kattinger
Rene Rois
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Komptech GmbH
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Komptech GmbH
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Publication of EP2617494A1 publication Critical patent/EP2617494A1/en
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    • 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
    • B02C18/16—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 tool for a crushing device, in particular for commercial waste and domestic waste-like materials, wherein the tools consist of a tool body and a replaceable tool cutting part.
  • the treatment of waste for material or energy recovery generally begins with a comminution process, through which the entire waste spectrum is conditioned for further process steps.
  • Low-speed comminuting devices are particularly suitable for such processing. These include, for example, a slow-speed comminution roller which carries circumferentially distributed comminution tools. With the crushing tools interact tools that are arranged on a Gegenetzwerkmaschinen. The tools on the counter cutting tool carrier form with respect to the crushing roller with their crushing tools a prestressed Anpresskamm, with which the crusher arranged in the crushing tools combing.
  • a crushing device is made US 20050116074 A known.
  • crushing tools are attached to tool holders of the crushing roller and the tools of the counter cutting tools are attached to corresponding tool holders of the counter cutting tool carrier.
  • the crushing tools or counter cutting tools are fixed on the corresponding tool holders by spring-loaded locking bolts, the securing bolts pass through an opening of the tool holder and are supported under spring tension on the opposite sides of the crushing tool or the counter cutting tool.
  • the object of the invention is therefore to provide a tool for a crushing device in the hand, in which a replaceable tool body is used in a simple but safe manner in the tool carrier and connectable to this.
  • this object is achieved by the combination of the features of claim 1. Accordingly, there is a tool for a crushing device of a tool body and a replaceable tool cutting part, wherein the tool body is insertable into a tool carrier.
  • the tool body is according to the invention wedge-shaped at least over part of its length and has four mounting surfaces which face each other in pairs, wherein the first pair of mounting surfaces is spaced less far from each other than the second pair of mounting surfaces, so that the tool body via a tension member in its mounting position can be fixed.
  • the mounting surfaces may advantageously have a rounded surface.
  • the further spaced-apart mounting surfaces can be connected to each other by respectively arranged on the side walls of the tool body and raised by these projecting web areas according to another advantageous embodiment of the invention.
  • these web portions are also in addition to the opposite mounting surfaces on corresponding counter-bearing surfaces of the tool carrier, so that the tool base body in the region of the second mounting surfaces and the web portions directly adjoining the tool carrier, while the other non-raised areas of the Side walls of the body do not rest on the tool carrier.
  • the tension element consists of a screw.
  • the contact surface between the tool base body and the tool cutting part can advantageously have complementary elevations and depressions such that the increase of the tool body engage in the recess of the tool cutting part and vice versa.
  • the tool cutting part may be formed concave in the tool base body abutting the end face of the tool cutting part contact surface, so that the correspondingly shaped end face of the tool cutting part is overlapped in the mounted state of the tool body.
  • the tool cutting part is also detachably connected to the tool base body via at least one screw.
  • the tool base body can be used as a counter cutting tool in a counter cutting tool carrier of a comminution device.
  • the invention further relates to a comminution device with a slow-speed comminuting roller, which carries on circumference first comminution tools, and second comminution tools cooperating with the first comminution tools, which can be inserted into a counter-cutting tool carrier, in which case the counter-cutting tools are tools with the features explained above.
  • FIG. 1 is a crushing device 10 shown as a whole already in the DE 20 201 236 U is described.
  • a comminution device 10 has a slow-running comminution roller 12, which has a roller main body 14 and tools 16 includes, on.
  • the tools are arranged in two staggered rows next to each other over the length of the crushing roller 12.
  • FIG. 2 shows in a cross-sectional view, the crushing roller 14 and the oppositely disposed counter-cutting unit 18.
  • FIG. 2 shows in a cross-sectional view, the crushing roller 14 and the oppositely disposed counter-cutting unit 18.
  • the crushing tools 16 of the crushing roller 14 with the tools 22 of the counter-cutting unit 18 cooperate.
  • FIG. 2 Figure 12 also shows how the tools 22 inserted into the counter cutting tool carrier 20 are shaped.
  • the tools 22 have a wedge-shaped in cross section and are inserted into a correspondingly shaped recess 24 of the Schmidtdorftechnikmaschinemaschines.
  • a counter cutting unit 18 is shown with a counter cutting tool carrier 20, wherein in this counter cutting tool carrier corresponding tools 22 are arranged in a row next to each other.
  • the detailed structure of the tool 22 of the counter cutting tool carrier 20 will be explained.
  • This consists of a tool body 26 and a tool cutting part 28, which is interchangeable inserted in the tool base 26.
  • the tool cutting part 28 and the tool main body 26 are particularly stably connected by the contact surface 30 between the tool main body and the tool cutting part each having complementary elevations 32 and depressions 34 such that the elevations of the tool body 26 engage in the depressions of the tool cutting part 28 and vice versa.
  • From the elevations 32 to the depressions 34 are, as in FIG. 6 can be seen inclined surfaces 36 formed so that almost a triangular shape 38 results in cross section (see. FIG. 5 ).
  • FIG. 4 Furthermore, it can be seen that in the tool base body 26, the bearing on the front side of the tool cutting part 28 contact surface is concave, so that the correspondingly shaped end face 38 of the tool cutting part 28 is overlapped in the mounted state of the tool body 26. As a result, the plugged-on tool cutting part 28 can not be lifted upwards during the crushing process when radial forces occur.
  • the tool cutting part 28 is, as also in FIG. 4 becomes clear, by two mounting screws 42 can be mounted, wherein the corresponding threads are formed for the mounting screws 42 in the body of the tool cutting part.
  • the tool cutting part 28 has at its peripheral edges a sharp-edged wear protection armor 44, which from the FIG. 5 becomes clear.
  • the tool body is largely wedge-shaped. It has four mounting surfaces 50, 52, 54 and 56. Of these, the mounting surfaces 50 and 52 or 54 and 56 are opposite. As in the FIGS. 6 and 7 illustrated, the mounting surfaces each have a rounded surface.
  • the mounting surfaces 50 and 52 are opposite to the underside and top of the tool holder opposite ends of the tool body 26 is arranged. Due to the wedge shape of the tool base body 26, the distance between the opposing mounting surfaces 50 and 52 is less than the distance between the mounting surfaces 54 and 56, as is apparent from FIG. 6 results. Due to the wedge shape of the tool main body 26, the surface 56 formed on the upper side of the tool main body 26 is, as in FIG FIG. 6 seen, obliquely aligned.
  • FIGS. 6 and 7 From the FIGS. 6 and 7 is also apparent that in the side wall portion of the tool body 26 also projecting web portions are formed, which connect the mounting surfaces 54 and 56 together.
  • the protruding land areas 58 also serve as assembly installation surface during installation of the tool main body in the counter cutting tool carrier 20.
  • the installation situation of the tool base body 26 in the counter cutting tool carrier 20 is based on the sectional view according to FIG. 4 seen.
  • the respective mounting surfaces of the tool base body 26 abut against correspondingly shaped counter-mounting surfaces 60, 62, 64 and 66 in the counter-cutting tool carrier.
  • the counter-mounting surfaces 60, 62, 64 and 66 protrude from the mounting surface of the counter cutting tool carrier, so that after insertion of the tool base body 26 only the mounting surfaces and the counter-mounting surfaces come into contact with each other.
  • a backup takes place via a screw 68, which engages in a screwed-in in the tool body thread (see. FIG. 4 ) and the partially wedge-shaped tool base body clamped against the corresponding obliquely shaped counter-mounting surface 66.

Description

Die Erfindung betrifft ein Werkzeug für eine Zerkleinerungsvorrichtung, insbesondere für Gewerbeabfälle und hausmüllähnliche Materialien, wobei die Werkzeuge aus einem Werkzeuggrundkörper und aus einem auswechselbaren Werkzeugschneidenteil bestehen.The invention relates to a tool for a crushing device, in particular for commercial waste and domestic waste-like materials, wherein the tools consist of a tool body and a replaceable tool cutting part.

Die Aufbereitung von Abfällen für eine stoffliche oder energetische Verwertung beginnt im Allgemeinen mit einem Zerkleinerungsvorgang, über den das gesamte Müllspektrum für weitere Prozessschritte konditioniert wird. Für eine derartige Aufbereitung eignen sich insbesondere langsam laufende Zerkleinerungsvorrichtungen. Diese weisen beispielsweise eine langsam laufende Zerkleinerungswalze auf, die auf Umfang verteilte Zerkleinerungswerkzeuge trägt. Mit den Zerkleinerungswerkzeugen wirken Werkzeuge zusammen, die auf einem Gegenschneidenwerkzeugträger angeordnet sind. Die Werkzeuge auf dem Gegenschneidenwerkzeugträger bilden gegenüber der Zerkleinerungswalze mit ihren Zerkleinerungswerkzeugen einen vorgespannten Anpresskamm, mit dem die in der Zerkleinerungswalze angeordneten Zerkleinerungswerkzeuge kämmen. Eine derartige Zerkleinerungsvorrichtung ist aus US 20050116074 A bekannt.The treatment of waste for material or energy recovery generally begins with a comminution process, through which the entire waste spectrum is conditioned for further process steps. Low-speed comminuting devices are particularly suitable for such processing. These include, for example, a slow-speed comminution roller which carries circumferentially distributed comminution tools. With the crushing tools interact tools that are arranged on a Gegenschneidenwerkzeugträger. The tools on the counter cutting tool carrier form with respect to the crushing roller with their crushing tools a prestressed Anpresskamm, with which the crusher arranged in the crushing tools combing. Such a crushing device is made US 20050116074 A known.

Zwar kann bei einer Fremdkörperbefrachtung, d. h. bei Auftreten eines harten und durch die Zerkleinerungsvorrichtung nicht zerkleinerbaren Fremdkörpers, beispielsweise eines Steins, der vorgespannte Anpresskamm weggepresst werden, sodass dadurch dem Fremdkörper der Weg freigegeben wird. Dennoch werden die Zerkleinerungswerkzeuge durch häufiges Auftreten von Fremdkörpern abgenutzt. Bei Ausführungen, in denen der Anpresskamm nicht weggepresst werden kann, sind die Belastungen der Zerkleinerungswerkzeuge noch größer.Although in foreign matter loading, i. H. on occurrence of a hard and not crushed by the crushing device foreign body, such as a stone, the prestressed Anpresskamm be pressed away, thereby the foreign body, the way is released. Nevertheless, the shredding tools are worn by frequent occurrence of foreign bodies. In designs in which the Anpresskamm can not be pressed away, the burden of shredding tools are even greater.

In der DE 203 10 251 U1 wird daher bereits eine Zerkleinerungsvorrichtung beschrieben, bei der das Auswechseln evtl. beschädigter Werkzeuge entscheidend vereinfacht ist. Hier sind Zerkleinerungswerkzeuge auf Werkzeugaufnahmen der Zerkleinerungswalze aufgesteckt und die Werkzeuge der Gegenschneidenwerkzeuge sind auf entsprechende Werkzeugaufnahmen der Gegenschneidenwerkzeugträger aufgesteckt. Die Zerkleinerungswerkzeuge bzw. Gegenschneidenwerkzeuge werden auf den entsprechenden Werkzeugaufnahmen durch federbelastete Sicherungsbolzen fixiert, wobei die Sicherungsbolzen eine Öffnung der Werkzeugaufnahme durchsetzen und sich unter Federspannung an den sich gegenüberliegenden Seiten des Zerkleinerungswerkzeugs bzw. des Gegenschneidenwerkzeugs abstützen. Auch wenn hierdurch die Montage der jeweiligen Werkzeuge vereinfacht ist, müssen jeweils die vollständigen Werkzeuge nach entsprechender Abnutzung gewechselt werden.In the DE 203 10 251 U1 Therefore, a crushing device is described in which the replacement of any damaged tools is significantly simplified. Here, crushing tools are attached to tool holders of the crushing roller and the tools of the counter cutting tools are attached to corresponding tool holders of the counter cutting tool carrier. The crushing tools or counter cutting tools are fixed on the corresponding tool holders by spring-loaded locking bolts, the securing bolts pass through an opening of the tool holder and are supported under spring tension on the opposite sides of the crushing tool or the counter cutting tool. Although this makes the assembly of the respective tools is simplified, each of the complete tools must be replaced after appropriate wear.

Um nicht die vollständigen Werkzeuge wechseln zu müssen, ist hier zwischenzeitlich auch ein zweiteiliges Werkzeug bekannt geworden, bei dem ein Werkzeuggrundkörper mit einem auswechselbaren Werkzeugschneidenteil versehen ist. Dieses Werkzeugschneidenteil wird üblicherweise über Schrauben mit dem Werkzeuggrundkörper verbunden. Für den sicheren Betrieb einer entsprechenden Zerkleinerungsvorrichtung ist es wichtig, dass der Werkzeuggrundkörper mit dem Werkzeugschneidenteil sicher und fest im Werkzeugträger eingesetzt ist. Zum Anderen soll es aber auch gewährleistet sein, dass der Werkzeuggrundkörper im Falle einer notwendigen Auswechslung schnell und einfach ausgetauscht werden kann.In order not to have to change the complete tools, here also a two-part tool has become known in the meantime, in which a tool body is provided with an interchangeable tool cutting part. This tool cutting part is usually connected by screws with the tool body. For the safe operation of a corresponding shredding device, it is important that the tool base body with the tool cutting part is securely and firmly inserted in the tool carrier. On the other hand, it should also be ensured that the tool body can be replaced quickly and easily in case of a necessary replacement.

Aufgabe der Erfindung ist es daher, ein Werkzeug für eine Zerkleinerungsvorrichtung in die Hand zu geben, bei dem ein auswechselbarer Werkzeuggrundkörper in einfacher aber sicherer Weise in den Werkzeugträger einsetzbar und mit diesem verbindbar ist.The object of the invention is therefore to provide a tool for a crushing device in the hand, in which a replaceable tool body is used in a simple but safe manner in the tool carrier and connectable to this.

Erfindungsgemäß wird diese Aufgabe durch die Kombination der Merkmale des Anspruchs 1 gelöst. Demnach besteht ein Werkzeug für eine Zerkleinerungsvorrichtung aus einem Werkzeuggrundkörper und aus einem auswechselbaren Werkzeugschneidenteil, wobei der Werkzeuggrundkörper in einen Werkzeugträger einsetzbar ist. Der Werkzeuggrundkörper ist erfindungsgemäß zumindest über einen Teil seiner Länge keilförmig geformt und weist vier Montageflächen auf, die sich paarweise gegenüberliegen, wobei das erste Paar der Montageflächen weniger weit voneinander beabstandet ist als das zweite Paar der Montageflächen, sodass der Werkzeuggrundkörper über ein Zugelement in seiner Montageposition fixierbar ist.According to the invention this object is achieved by the combination of the features of claim 1. Accordingly, there is a tool for a crushing device of a tool body and a replaceable tool cutting part, wherein the tool body is insertable into a tool carrier. The tool body is according to the invention wedge-shaped at least over part of its length and has four mounting surfaces which face each other in pairs, wherein the first pair of mounting surfaces is spaced less far from each other than the second pair of mounting surfaces, so that the tool body via a tension member in its mounting position can be fixed.

Durch die Anordnung der Montageflächen entlang dem keilförmig ausgebildeten Werkzeuggrundkörper kann nach Einsetzen des Werkzeuggrundkörpers in einen entsprechend geformten Werkzeugträger durch Anziehen des Zugelements sichergestellt werden, dass die Montageflächen des Werkzeuggrundkörpers einerseits und die entsprechenden Montageflächen des Werkzeugträgers gegeneinander verspannt werden. Hierdurch ist durch einfaches Anziehen des Zugelements eine sichere und feste Verbindung möglich. Nach Lösen des Zugelements ist andererseits eine leichte Entnehmbarkeit des gesamten Werkzeugs aus dem Werkzeugträger sichergestellt.By arranging the mounting surfaces along the wedge-shaped tool base body can be ensured by inserting the tool body in a correspondingly shaped tool carrier by tightening the tension element that the mounting surfaces of the tool body on the one hand and the corresponding mounting surfaces of the tool carrier are braced against each other. As a result, a simple and secure connection is possible by simply tightening the tension element. On the other hand, after releasing the tension element, an easy removability of the entire tool from the tool carrier is ensured.

Bevorzugte Ausgestaltungen der Erfindungen ergeben sich aus den sich an den Hauptanspruch anschließenden Unteransprüchen.Preferred embodiments of the invention will become apparent from the subsequent claims to the main claim.

Demnach können die Montageflächen vorteilhaft eine abgerundete Oberfläche aufweisen.Accordingly, the mounting surfaces may advantageously have a rounded surface.

Die weiter voneinander beabstandeten Montageflächen können gemäß einer anderen vorteilhaften Ausgestaltung der Erfindung miteinander durch jeweils auf den Seitenwandungen des Werkzeuggrundkörpers angeordneten und von diesen erhaben abstehenden Stegbereichen miteinander verbunden sein. Beim Einsetzen der Werkzeuggrundkörper in den Werkzeugträger liegen diese Stegbereiche zusätzlich zu den sich gegenüberliegenden Montageflächen ebenfalls an entsprechenden Gegenauflageflächen des Werkzeugträgers an, sodass der Werkzeuggrundkörper in dem Bereich der zweiten Montageflächen und der diese verbindenen Stegbereiche unmittelbar am Werkzeugträger anliegt, während die anderen nicht erhabenen Bereiche der Seitenwandungen des Grundkörpers nicht am Werkzeugträger anliegen.The further spaced-apart mounting surfaces can be connected to each other by respectively arranged on the side walls of the tool body and raised by these projecting web areas according to another advantageous embodiment of the invention. When inserting the tool body into the tool carrier, these web portions are also in addition to the opposite mounting surfaces on corresponding counter-bearing surfaces of the tool carrier, so that the tool base body in the region of the second mounting surfaces and the web portions directly adjoining the tool carrier, while the other non-raised areas of the Side walls of the body do not rest on the tool carrier.

Gemäß einer besonders einfachen Ausführungsvariante der Erfindung besteht das Zugelement aus einer Schraube.According to a particularly simple embodiment of the invention, the tension element consists of a screw.

Zur verbesserten Verbindung zwischen Werkzeuggrundkörper und Werkzeugschneidenteil kann die Anlagefläche zwischen dem Werkzeuggrundkörper und dem Werkzeugschneidenteil vorteilhaft jeweils komplementäre Erhöhungen und Vertiefungen derart aufweisen, dass die Erhöhung des Werkzeuggrundkörpers in die Vertiefung des Werkzeugschneidenteils eingreifen und umgekehrt.For improved connection between the tool base body and the tool cutting part, the contact surface between the tool base body and the tool cutting part can advantageously have complementary elevations and depressions such that the increase of the tool body engage in the recess of the tool cutting part and vice versa.

Gemäß einer weiteren bevorzugten Ausgestaltung der Erfindung kann im Werkzeuggrundkörper die an der Stirnseite des Werkzeugschneidenteils anliegende Anlagefläche konkav ausgebildet sein, sodass die entsprechend geformte Stirnseite des Werkzeugschneidenteils im montierten Zustand vom Werkzeuggrundkörper übergriffen wird. Hierdurch ist eine sehr stabile Verbindung zwischen dem Werkzeuggrundkörper einerseits und dem Werkzeugschneidenteil andererseits geschaffen. Vorteilhaft wird das Werkzeugschneidenteil ebenfalls über mindestens eine Schraube mit dem Werkzeuggrundkörper lösbar verbunden.According to a further preferred embodiment of the invention may be formed concave in the tool base body abutting the end face of the tool cutting part contact surface, so that the correspondingly shaped end face of the tool cutting part is overlapped in the mounted state of the tool body. As a result, a very stable connection between the tool body on the one hand and the tool cutting part on the other hand created. Advantageously, the tool cutting part is also detachably connected to the tool base body via at least one screw.

Der Werkzeuggrundkörper ist als Gegenschneidenwerkzeug in einen Gegenschneidenwerkzeugträger einer Zerkleinerungsvorrichtung einsetzbar.The tool base body can be used as a counter cutting tool in a counter cutting tool carrier of a comminution device.

Die Erfindung betrifft weiterhin eine Zerkleinerungsvorrichtung mit einer langsam laufenden Zerkleinerungswalze, die auf Umfang erste Zerkleinerungswerkzeuge trägt, und mit den ersten Zerkleinerungswerkzeugen zusammenwirkende zweite Zerkleinerungswerkzeuge, die in einen Gegenschneidenwerkzeugträger einsetzbar sind, wobei hier die Gegenschneidenwerkzeuge Werkzeuge mit den zuvor erläuterten Merkmalen sind.The invention further relates to a comminution device with a slow-speed comminuting roller, which carries on circumference first comminution tools, and second comminution tools cooperating with the first comminution tools, which can be inserted into a counter-cutting tool carrier, in which case the counter-cutting tools are tools with the features explained above.

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

Figur 1:
eine Draufsicht auf eine Zerkleinerungsvorrichtung, in der die erfindungsgemäßen Werkzeuge einsetzbar sind,
Figur 2:
einen Querschnitt entsprechend der Schnittlinie A-A in Figur 1,
Figur 3:
eine Darstellung eines Gegenschneidenwerkzeugträgers wie er in einer Zerkleinerungsvorrichtung gemäß Figur 1 einsetzbar ist,
Figur 4:
eine Schnittdarstellung durch ein erfindungsgemäßes Werkzeug gemäß einer Ausführungsform, bei dem das Werkzeug in einen Gegenschneidenwerkzeugträger eingesetzt ist,
Figur 5:
eine perspektivische Darstellung des vorderen Teils des in den Gegenschneidenwerkzeugträger eingesetzten Werkzeugs und
Figuren 6 und 7:
jeweils perspektivische Darstellungen des Werkzeuggrundkörpers.
Further details and advantages of the invention will be explained in more detail with reference to an embodiment shown in the drawing. Show it:
FIG. 1:
a top view of a crushing device in which the tools according to the invention can be used,
FIG. 2:
a cross section corresponding to the section line AA in FIG. 1 .
FIG. 3:
a representation of a Gegenschneidenwerkzeugträgers as in a crushing device according to FIG. 1 can be used,
FIG. 4:
3 a sectional representation through a tool according to the invention according to an embodiment in which the tool is inserted into a counter cutting tool carrier,
FIG. 5:
a perspective view of the front part of the tool used in the Gegenschneidenwerkzeugträger and
FIGS. 6 and 7:
each perspective views of the tool body.

In Figur 1 ist eine Zerkleinerungsvorrichtung 10 dargestellt, die als Gesamtheit bereits in der DE 20 201 236 U beschrieben ist. Eine derartige Zerkleinerungsvorrichtung 10 weist eine langsam laufende Zerkleinerungswalze 12, die einen Walzengrundkörper 14 und Werkzeuge 16 umfasst, auf. Die Werkzeuge sind in zwei zueinander versetzten Reihen nebeneinander über die Länge der Zerkleinerungswalze 12 angeordnet.In FIG. 1 is a crushing device 10 shown as a whole already in the DE 20 201 236 U is described. Such a comminution device 10 has a slow-running comminution roller 12, which has a roller main body 14 and tools 16 includes, on. The tools are arranged in two staggered rows next to each other over the length of the crushing roller 12.

Figur 2 zeigt in einer Querschnittsdarstellung, die Zerkleinerungswalze 14 und die dieser gegenüberliegend angeordnete Gegenschneideneinheit 18. In dieser Darstellung ist insbesondere zu sehen, wie die Zerkleinerungswerkzeuge 16 der Zerkleinerungwalze 14 mit dem Werkzeugen 22 der Gegenschneideeinheit 18 zusammenwirken. FIG. 2 shows in a cross-sectional view, the crushing roller 14 and the oppositely disposed counter-cutting unit 18. In this illustration, in particular, it can be seen how the crushing tools 16 of the crushing roller 14 with the tools 22 of the counter-cutting unit 18 cooperate.

Figur 2 zeigt auch, wie die Werkzeuge 22, die in den Gegenschneidenwerkzeugträger 20 eingesetzt sind, geformt sind. Hier ist ersichtlich, dass die Werkzeuge 22 eine im Querschnitt keilförmige Form aufweisen und in eine entsprechend geformte Ausnehmung 24 des Gegenschneidenwerkzeugträgers eingesetzt sind. FIG. 2 Figure 12 also shows how the tools 22 inserted into the counter cutting tool carrier 20 are shaped. Here it can be seen that the tools 22 have a wedge-shaped in cross section and are inserted into a correspondingly shaped recess 24 of the Gegenschneidenwerkzeugträgers.

In der Figur 3 ist eine Gegenschneideneinheit 18 mit einem Gegenschneidenwerkzeugträger 20 gezeigt, wobei in diesem Gegenschneidenwerkzeugträger entsprechende Werkzeuge 22 in einer Reihe nebeneinanderliegend angeordnet sind.In the FIG. 3 a counter cutting unit 18 is shown with a counter cutting tool carrier 20, wherein in this counter cutting tool carrier corresponding tools 22 are arranged in a row next to each other.

Anhand der Figuren 4 bis 7 kann der genaue Aufbau des Werkzeugs 22 des Gegenschneidenwerkzeugträgers 20 erläutert werden. Dieses besteht aus einem Werkzeuggrundkörper 26 und einem Werkzeugschneidenteil 28, das auswechselbar in dem Werkzeuggrundkörper 26 eingesetzt ist. Das Werkzeugschneidenteil 28 und der Werkzeuggrundkörper 26 sind besonders stabil dadurch verbunden, dass die Anlagefläche 30 zwischen Werkzeuggrundkörper und Werkzeugschneidenteil jeweils komplementäre Erhöhungen 32 und Vertiefungen 34 derart aufweisen, dass die Erhöhungen des Werkzeuggrundkörpers 26 in die Vertiefungen des Werkzeugschneidenteils 28 eingreifen und umgekehrt. Von den Erhöhungen 32 aus zu den Vertiefungen 34 sind, wie in Figur 6 ersichtlich, schräge Flächen 36 ausgebildet, sodass sich im Querschnitt nahezu eine Dreiecksform 38 ergibt (vgl. Figur 5).Based on FIGS. 4 to 7 For example, the detailed structure of the tool 22 of the counter cutting tool carrier 20 will be explained. This consists of a tool body 26 and a tool cutting part 28, which is interchangeable inserted in the tool base 26. The tool cutting part 28 and the tool main body 26 are particularly stably connected by the contact surface 30 between the tool main body and the tool cutting part each having complementary elevations 32 and depressions 34 such that the elevations of the tool body 26 engage in the depressions of the tool cutting part 28 and vice versa. From the elevations 32 to the depressions 34 are, as in FIG. 6 can be seen inclined surfaces 36 formed so that almost a triangular shape 38 results in cross section (see. FIG. 5 ).

Entsprechend der Darstellung der Figur 6 ist ersichtlich, dass die Erhöhung 32 und Vertiefung 34 parallel zueinander und zur Längskante des Werkzeugschneidenteils 28 (in Figur 6 nicht dargestellt) verlaufen.According to the presentation of the FIG. 6 It can be seen that the elevation 32 and recess 34 parallel to each other and to the longitudinal edge of the tool cutting part 28 (in FIG. 6 not shown).

Insbesondere der Figur 4 ist des Weiteren zu entnehmen, dass im Werkzeuggrundkörper 26 die an der Stirnseite des Werkzeugschneidenteils 28 anliegende Anlagefläche konkav ausgebildet ist, sodass die entsprechend geformte Stirnseite 38 des Werkzeugschneidenteils 28 im montierten Zustand vom Werkzeuggrundkörper 26 übergriffen wird. Hierdurch kann das aufgesteckte Werkzeugschneidenteil 28 bei auftretenden radialen Kräften während der Zerkleinerung nicht nach oben ausgehoben werden.In particular the FIG. 4 Furthermore, it can be seen that in the tool base body 26, the bearing on the front side of the tool cutting part 28 contact surface is concave, so that the correspondingly shaped end face 38 of the tool cutting part 28 is overlapped in the mounted state of the tool body 26. As a result, the plugged-on tool cutting part 28 can not be lifted upwards during the crushing process when radial forces occur.

Das Werkzeugschneidenteil 28 ist, wie ebenfalls in Figur 4 deutlich wird, durch zwei Montageschrauben 42 montierbar, wobei die entsprechenden Gewinde für die Montageschrauben 42 in den Korpus des Werkzeugschneidenteils ausgebildet sind.The tool cutting part 28 is, as also in FIG. 4 becomes clear, by two mounting screws 42 can be mounted, wherein the corresponding threads are formed for the mounting screws 42 in the body of the tool cutting part.

Zusätzlich weist das Werkzeugschneidenteil 28 an seinen umlaufenden Kanten eine scharfkantige Verschleißschutzpanzerung 44 auf, die aus der Figur 5 deutlich wird.In addition, the tool cutting part 28 has at its peripheral edges a sharp-edged wear protection armor 44, which from the FIG. 5 becomes clear.

Wie in den Figuren 6 und 7 dargestellt, ist der Werkzeuggrundkörper großteils keilförmig ausgebildet. Er weist vier Montageflächen 50, 52, 54 und 56 auf. Von diesen liegen sich die Montageflächen 50 und 52 bzw. 54 und 56 gegenüber. Wie in den Figuren 6 und 7 dargestellt, weisen die Montageflächen jeweils eine abgerundete Oberfläche auf. Die Montageflächen 50 und 52 sind gegenüberliegend auf der Unterseite bzw. Oberseite an den Werkzeugaufnahme gegenüberliegenden Enden des Werkzeuggrundkörpers 26 angeordnet. Aufgrund der Keilform des Werkzeuggrundkörpers 26 ist der Abstand zwischen den sich gegenüberliegenden Montageflächen 50 und 52 geringer als der Abstand zwischen den Montageflächen 54 und 56, wie sich aus Figur 6 ergibt. Aufgrund der Keilform des Werkzeuggrundkörpers 26 ist die auf der Oberseite des Werkzeuggrundkörpers 26 ausgebildete Fläche 56, wie in Figur 6 ersichtlich, schräg ausgerichtet.As in the FIGS. 6 and 7 shown, the tool body is largely wedge-shaped. It has four mounting surfaces 50, 52, 54 and 56. Of these, the mounting surfaces 50 and 52 or 54 and 56 are opposite. As in the FIGS. 6 and 7 illustrated, the mounting surfaces each have a rounded surface. The mounting surfaces 50 and 52 are opposite to the underside and top of the tool holder opposite ends of the tool body 26 is arranged. Due to the wedge shape of the tool base body 26, the distance between the opposing mounting surfaces 50 and 52 is less than the distance between the mounting surfaces 54 and 56, as is apparent from FIG. 6 results. Due to the wedge shape of the tool main body 26, the surface 56 formed on the upper side of the tool main body 26 is, as in FIG FIG. 6 seen, obliquely aligned.

Des Weiteren wird aus den Darstellungen gemäß der Figuren 6 und 7 deutlich, dass die Montageflächen auf der Oberseite bzw. Unterseite des Werkzeuggrundkörpers über den restlichen Bereich der Oberseite bzw. Unterseite überstehen.Furthermore, from the illustrations according to the FIGS. 6 and 7 clearly that the mounting surfaces on the top or bottom of the tool body protrude over the remaining area of the top or bottom.

Aus den Figuren 6 und 7 ist weiter ersichtlich, dass im Seitenwandbereich des Werkzeuggrundkörpers 26 ebenfalls vorstehende Stegbereiche ausgebildet sind, die die Montageflächen 54 und 56 miteinander verbinden. Auch die vorstehenden Stegbereiche 58 dienen als Montageanlagefläche beim Einbau der Werkzeuggrundkörper in den Gegenschneidenwerkzeugträger 20.From the FIGS. 6 and 7 is also apparent that in the side wall portion of the tool body 26 also projecting web portions are formed, which connect the mounting surfaces 54 and 56 together. The protruding land areas 58 also serve as assembly installation surface during installation of the tool main body in the counter cutting tool carrier 20.

Die Einbausituation des Werkzeuggrundkörpers 26 in den Gegenschneidenwerkzeugträger 20 ist anhand der Schnittdarstellung gemäß Figur 4 ersichtlich. Die jeweiligen Montageflächen des Werkzeuggrundkörpers 26 liegen hier an entsprechend ausgeformten Gegenmontageflächen 60, 62, 64 und 66 im Gegenschneidenwerkzeugträger an. Auch die Gegenmontageflächen 60, 62, 64 und 66 stehen aus der Einbaufläche des Gegenschneidenwerkzeugträgers hervor, sodass nach Einsetzen des Werkzeuggrundkörpers 26 jeweils nur die Montageflächen und die Gegenmontageflächen miteinander in Berührung kommen. Dadurch, dass diese Flächen sich in ihrer Form entsprechen, kann der Werkzeuggrundkörper sicher und fest in den Gegenschneidenwerkzeugträger eingesetzt werden. Eine Sicherung erfolgt über eine Schraube 68, die in ein im Werkzeuggrundkörper eingedrehtes Gewinde eingreift (vgl. Figur 4) und den teilweise keilförmig ausgebildeten Werkzeuggrundkörper gegen die entsprechend schräg ausgeformte Gegenmontagefläche 66 verspannt.The installation situation of the tool base body 26 in the counter cutting tool carrier 20 is based on the sectional view according to FIG. 4 seen. The respective mounting surfaces of the tool base body 26 abut against correspondingly shaped counter-mounting surfaces 60, 62, 64 and 66 in the counter-cutting tool carrier. Also, the counter-mounting surfaces 60, 62, 64 and 66 protrude from the mounting surface of the counter cutting tool carrier, so that after insertion of the tool base body 26 only the mounting surfaces and the counter-mounting surfaces come into contact with each other. The fact that these surfaces correspond in shape, the tool body can be safely and firmly inserted into the Gegenschneidenwerkzeugträger. A backup takes place via a screw 68, which engages in a screwed-in in the tool body thread (see. FIG. 4 ) and the partially wedge-shaped tool base body clamped against the corresponding obliquely shaped counter-mounting surface 66.

Die vorstehenden Stegbereiche 58 liegen an in der Figur 4 nicht mehr dargestellten Gegenmontageflächenbereiche an, sodass im Bereich der Montageflächen 54, 56 und der Stegbereiche 58 der Werkzeuggrundkörper 26 rundum an einer entsprechenden Gegenmontageflächen des Gegenschneidenwerkzeugträgers 20 anliegt.The protruding web portions 58 abut in the FIG. 4 not shown counter-mounting surface areas, so that in the area of the mounting surfaces 54, 56 and the web portions 58 of the tool body 26 rests all around on a corresponding counter-mounting surfaces of the Gegenschneidenwerkzeugträgers 20.

Claims (8)

  1. A comminution apparatus (10) having a slowly running comminution roller (12) which carries first comminution tools (16) on the periphery and second comminution tools (22) which cooperate with the first comminution tools (16) and which are provided on a counter cutter tool carrier (20), wherein tools are inserted as counter cutter tools which comprise a base tool body (26) and a replaceable tool cutter part (28) which can be inserted into a tool carrier (20), wherein the base tool carrier (26) is shaped in wedge form over at least a portion of its length and can be fixed in its installation position via a tensioning element (68), characterised in that the base tool body (26) has four installation surfaces (50, 52, 54, 56) which are disposed opposite one another pairwise, with the first pair (50, 52) of installation surfaces being spaced less far apart from one another than the second pair (54, 56) of installation surfaces.
  2. A comminution apparatus in accordance with claim 1, characterised in that the installation surfaces have a rounded surface.
  3. A comminution apparatus in accordance with one of the claims 1 or 2, characterised in that the installation surfaces spaced further apart from one another are connected to one another by respective web regions arranged on the side walls of the base tool body and projected therefrom in a raised manner.
  4. A comminution apparatus in accordance with one of the claims 1 to 3, characterised in that the tensioning element is a screw.
  5. A comminution apparatus in accordance with one of the claims 1 to 4, characterised in that the contact surface has complementary elevated portions and recesses between the base tool body and the tool cutter part such that the elevated portions of the base tool body engage into the recesses of the tool cutter part and conversely.
  6. A comminution apparatus in accordance with one of the claims 1 to 5, characterised in that the contact surface contacting the end face of the tool cutter part in the base tool body is configured as concave so that the correspondingly shaped end face of the tool cutter part is engaged over by the base tool body in the installed state.
  7. A comminution apparatus in accordance with one of the claims 1 to 6, characterised in that the tool cutter part is releasably connected to the base tool body via at least one screw.
  8. A comminution apparatus in accordance with one of the claims 1 to 7, characterised in that the base tool body can be inserted as a counter cutter tool into a counter cutter tool carrier of the comminution apparatus.
EP20120005496 2012-01-23 2012-07-27 Tool for a reduction device Active EP2617494B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201220000643 DE202012000643U1 (en) 2012-01-23 2012-01-23 Tool for a shredding device

Publications (2)

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EP2617494A1 EP2617494A1 (en) 2013-07-24
EP2617494B1 true EP2617494B1 (en) 2014-09-10

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EP20120005496 Active EP2617494B1 (en) 2012-01-23 2012-07-27 Tool for a reduction device

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EP (1) EP2617494B1 (en)
DE (1) DE202012000643U1 (en)
DK (1) DK2617494T3 (en)
ES (1) ES2524745T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9675976B2 (en) * 2013-09-10 2017-06-13 Vermeer Manufacturing Company Hammer support for rotary tool

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394983A (en) * 1981-03-02 1983-07-26 Kaca Corporation Tire and refuse shredder
US5240192A (en) * 1991-01-04 1993-08-31 Tilby Sydney E Cutting roll with removable blade
US5971305A (en) * 1997-07-21 1999-10-26 Davenport; Ricky W. Rotary shredder
DE20018186U1 (en) * 2000-10-25 2002-03-07 Amb Anlagen Maschinen Bau Gmbh Shaft and device with a shaft for shredding waste
DE20201236U1 (en) 2001-10-18 2002-08-29 Heissenberger & Pretzler Gmbh comminution device
DE20310251U1 (en) 2003-07-03 2004-11-11 Komptech Farwick Ges.M.B.H. Shredder for household waste etc has slow turning shredding roller with peripherally spread out shredding tools and counter cutters secured by spring-loaded securing bolts for easy replacement
US20050116074A1 (en) * 2003-12-01 2005-06-02 Jiri Kusak Comminuter striker plate

Also Published As

Publication number Publication date
EP2617494A1 (en) 2013-07-24
ES2524745T3 (en) 2014-12-11
DK2617494T3 (en) 2014-12-08
DE202012000643U1 (en) 2013-04-24

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