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EP2548649B1 - Tool for a reduction device - Google Patents

Tool for a reduction device Download PDF

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Publication number
EP2548649B1
EP2548649B1 EP12004936.6A EP12004936A EP2548649B1 EP 2548649 B1 EP2548649 B1 EP 2548649B1 EP 12004936 A EP12004936 A EP 12004936A EP 2548649 B1 EP2548649 B1 EP 2548649B1
Authority
EP
European Patent Office
Prior art keywords
tool
tools
elevations
base body
depressions
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.)
Active
Application number
EP12004936.6A
Other languages
German (de)
French (fr)
Other versions
EP2548649A2 (en
EP2548649A3 (en
Inventor
Franz Hierz
Gerhard Kattinger
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.)
Komptech GmbH
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Komptech GmbH
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Publication date
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Publication of EP2548649A2 publication Critical patent/EP2548649A2/en
Publication of EP2548649A3 publication Critical patent/EP2548649A3/en
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Publication of EP2548649B1 publication Critical patent/EP2548649B1/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
    • B02C18/06—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
    • B02C18/0084—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
    • 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 energetic use 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 carrying circumferentially distributed comminution tools, and tools cooperating with the comminution tools, mounted on a counterblade tool carrier.
  • 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.
  • 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 to the corresponding tool holders by spring-loaded locking bolts, the securing bolts to 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.
  • a two-part tool 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. If the comminution tools are used appropriately, they are exposed to high local stresses as a result of the unfavorable geometric integration, resulting in a loosening of the screw connection and a failure of the connection.
  • Object of the present invention is to provide a tool for a crushing device in the hand, in which a replaceable tool cutting part is easily connectable to a tool body.
  • a tool for a crushing device in which the tools consist of a tool body and a replaceable tool cutting part, wherein the contact surface between the tool body and tool cutting part complementary elevations and depressions such that the elevations of the tool body engage in the recesses of the tool cutting part and vice versa.
  • the abutment surface abutting the end face of the tool cutting part is concave in the tool base body, so that the correspondingly shaped end face of the tool cutting part is overlapped by the tool base body in the mounted state.
  • sloping surfaces extend from the elevations to the depressions.
  • flanks are formed which result in a better distribution of the local voltage, which means that no local plastifications can occur.
  • the tool body can be used more often.
  • the elevations and depressions can run parallel to one another. This creates open flanks, so that the Aufsteck leopard can be easily replaced.
  • the elevations and depressions have a triangular shape in cross-section.
  • elevations and depressions of the surface can run parallel to the longitudinal edge of the tool cutting part.
  • the tool cutting part is detachably connected to the tool base body via at least one screw.
  • the tool cutting part advantageously has on its upper side a sharp-edged wear armor arranged on the peripheral edges.
  • the tool 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-running comminution roller, which carries on circumference first comminution tools, and second co-operating with the first comminution tools Crushing tools, which are provided on 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 shown as a whole already in the DE 20 201 236 U is described.
  • a comminution device 10 has a low-speed comminution cylinder 12 which comprises a roller main body 14 and tools 16. The tools are arranged in two staggered rows next to each other over the length of the crushing roller 12.
  • FIG. 2 a counter cutting unit 18 is shown with a counter cutting tool carrier 20, wherein on this counter cutting tool carrier corresponding tools 22 are arranged in a row next to each other. Above the FIG. 2 a detail of an inserted tool 22 is shown, which shows the more accurate positioning of this tool in the counter cutting tool carrier 20.
  • FIG. 3 shows in cross-sectional view how the counter cutting unit 18 and the crushing roller 14 are positioned to each other. In this illustration, it can be seen in particular how the comminution tools 16 interact with the tools 22.
  • FIG. 3 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 opposing tool carrier.
  • the attachment of the tool 22 corresponds to the counter cutting tool carrier 20 of the prior art, so that the manner of attachment of the tool 22 need not be explained again in detail here.
  • FIG. 4 an explosive detail of the crushing tool 22 is shown.
  • This consists of a tool body 26 and a tool cutting part 28, which can be interchangeable inserted into the tool base 26.
  • the tool cutting part 28 and the tool body are particularly stable connected by the fact that the abutment surface 30 between the tool body and tool cutting part each have complementary elevations 32 and recesses 34 such that the elevations of the tool body 26 engage in the recesses of the tool cutting part 28 and vice versa ,
  • the abutment surface 30 between the tool body and tool cutting part each have complementary elevations 32 and recesses 34 such that the elevations of the tool body 26 engage in the recesses of the tool cutting part 28 and vice versa .
  • the FIGS. 5 and 6 are of the elevations 32nd formed from the recesses 34 inclined surface 36, so that in cross-section almost a triangular shape 38 results.
  • the forming recesses have a width B and each have oblique side surfaces forming an angle ⁇ , as in FIG. 6 shown.
  • elevations 32 and depressions 34 run parallel to each other and to the longitudinal edge of the tool cutting part 28.
  • 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 38 abutment surface is concave, so that the corresponding shaped end face 38 of the tool cutting part 28 is overlapped in the mounted state of the tool body 26, as in the sectional view FIG. 3 or in the enlarged view according to FIG. 2 is clearly visible. In this way, the plugged-tool cutting part 28 can not be pushed upwards during the crushing occurring radial forces.
  • the tool cutting part 28 is, as in the 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 28.
  • the tool cutting part 28 has at its peripheral edges a sharp-edged wear protection armor 44, as shown in the FIG. 4 is shown.

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

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 Verwendung 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, und mit den Zerkleinerungswerkzeugen zusammenwirkende Werkzeuge, 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.The treatment of waste for material or energetic use 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 carrying circumferentially distributed comminution tools, and tools cooperating with the comminution tools, mounted on a counterblade tool carrier. 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.

Zwar kann bei einer Fremdkörperbefrachtung, d. h. bei Auftreten eines harten und durch die Zerkleinerungsvorrichtung nicht zerkleinerbaren Fremdkörpers, beispielsweise eines Steines, der vorgespannte Anpresskamm weggepreßt, so dass 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, d. H. on occurrence of a hard and not crushed by the crushing device foreign body, such as a stone, the biased Anpresskamm weggespreßt so that thereby the foreign body, the way is released. Nevertheless, the shredding tools are worn by frequent occurrence of foreign bodies. In embodiments in which the Anpresskamm can not be weggedpreßt, the burden of shredding tools are even greater.

Aus der DE 203 10 251 U1 ist daher bereits eine Zerkleinerungsvorrichtung bekannt, bei der das Auswechseln eventuell 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 Zerkleinerungswerkzeuges bzw. des Gegenschneidenwerkzeugs abstützen. Auch wenn hierdurch die Montage der jeweiligen Werkzeuge vereinfacht ist, müssen jeweils die vollständigen Werkzeuge nach entsprechender Abnutzung gewechselt werden.From the DE 203 10 251 U1 Therefore, a crushing device is already known, 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 to the corresponding tool holders by spring-loaded locking bolts, the securing bolts to 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. Bei entsprechendem Einsatz der Zerkleinerungswerkzeuge sind diese durch die ungünstige geometrische Einbindung hohen lokalen Spannungen ausgesetzt, so dass es zu einer Lockerung der Schraubenverbindung und zu einem Versagen der Verbindung kommt.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. If the comminution tools are used appropriately, they are exposed to high local stresses as a result of the unfavorable geometric integration, resulting in a loosening of the screw connection and a failure of the connection.

Aus der US 5 439 039 ist ein Werkzeug mit einem Werkzeuggrundkörper und einem auswechselbaren Werkzeugschneideteil bekannt, wobei eine Kontaktfläche zwischen Werkzeuggrundkörper und Werkzeugschneideteil ineinandergreifende Erhöhungen und Vertiefungen aufweist.From the U.S. 5,439,039 a tool with a tool body and a replaceable tool cutting part is known, wherein a contact surface between the tool body and the tool cutting part has interlocking elevations and depressions.

Aufgabe der vorliegenden Erfindung ist es, ein Werkzeug für eine Zerkleinerungsvorrichtung an die Hand zu geben, bei dem ein auswechselbares Werkzeugschneidenteil einfach mit einem Werkzeuggrundkörper verbindbar ist.Object of the present invention is to provide a tool for a crushing device in the hand, in which a replaceable tool cutting part is easily connectable to a tool body.

Erfindungsgemäß wird diese Aufgabe durch die Kombination der Merkmale des Anspruchs 1 gelöst. Demnach ist ein Werkzeug für eine Zerkleinerungsvorrichtung geschaffen, bei dem die Werkzeuge aus einem Werkzeuggrundkörper und einem auswechselbaren Werkzeugschneidenteil bestehen, wobei die Anlagefläche zwischen Werkzeuggrundkörper und Werkzeugschneidenteil komplementäre Erhöhungen und Vertiefungen derart aufweisen, dass die Erhöhungen des Werkzeuggrundkörpers in die Vertiefungen des Werkzeugschneidenteils eingreifen und umgekehrt. Erfindungsgemäß ist im Werkzeuggrundkörper die an der Stirnseite des Werkzeugschneidenteils anliegende Anlagefläche konkav ausgebildet, so dass die entsprechend geformte Stirnseite des Werkzeugschneidenteils im montierten Zustand vom Werkzeuggrundkörper übergriffen wird.According to the invention this object is achieved by the combination of the features of claim 1. Accordingly, a tool for a crushing device is provided in which the tools consist of a tool body and a replaceable tool cutting part, wherein the contact surface between the tool body and tool cutting part complementary elevations and depressions such that the elevations of the tool body engage in the recesses of the tool cutting part and vice versa. According to the present invention, the abutment surface abutting the end face of the tool cutting part is concave in the tool base body, so that the correspondingly shaped end face of the tool cutting part is overlapped by the tool base body in the mounted state.

Gemäß dieser Lösung muss bei einem wechselbaren, d. h. aufsteckbaren Zerkleinerungswerkzeug, einem sogenannten Aufsteckzahn, nicht das gesamte Werkzeug, sondern nur ein definiertes und kostengünstiges Teil getauscht werden. Die Gestaltung der Anlagefläche zwischen Werkzeuggrundkörper und Werkzeugschneidenteil, die eine gewindeähnliche Verbindung darstellt, erlaubt aufgrund der großen projizierten Fläche eine gute Verbindung zwischen dem Werkzeuggrundkörper und dem Werkzeugschneidenteil. Dadurch, dass hier der Radius über die Mittellinie des Werkzeugschneidenteils gezogen ist, kann der Aufsteckzahn bei radialen Kräften nicht nach oben ausgeschoben werden.According to this solution, in a replaceable, ie attachable crushing tool, a so-called Aufsteckzahn, not the entire tool, but only a defined and cost-effective part to be replaced. The design of the contact surface between the tool base body and the tool cutting part, which constitutes a thread-like connection, allows a good connection between the tool base body and the tool cutting part due to the large projected area. The fact that here the radius is drawn over the center line of the tool cutting part, the Aufsteckzahn can not be pushed upwards with radial forces.

Bevorzugte Ausgestaltungen der Erfindung 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 verlaufen von den Erhöhungen ausgehend schräge Flächen zu den Vertiefungen. Hierdurch werden Flanken gebildet, die eine bessere Verteilung der lokalen Spannung zur Folge haben, wodurch es zu keinen lokalen Plastifizierungen kommen kann. Dadurch kann der Werkzeuggrundkörper öfters eingesetzt werden.Accordingly, sloping surfaces extend from the elevations to the depressions. As a result, flanks are formed which result in a better distribution of the local voltage, which means that no local plastifications can occur. As a result, the tool body can be used more often.

Gemäß einer weiteren Ausgestaltung der Erfindung können die Erhöhungen und Vertiefungen parallel zueinander verlaufen. Hierdurch entstehen offene Flanken, so dass der Aufsteckzahn leichter getauscht werden kann.According to a further embodiment of the invention, the elevations and depressions can run parallel to one another. This creates open flanks, so that the Aufsteckzahn can be easily replaced.

Einer weiteren bevorzugten Ausgestaltung zufolge weisen die Erhöhungen und Vertiefungen im Querschnitt eine Dreiecksform auf.According to a further preferred embodiment, the elevations and depressions have a triangular shape in cross-section.

Des Weiteren können die Erhöhungen und Vertiefungen der Oberfläche parallel zur Längskante des Werkzeugschneidenteils verlaufen.Furthermore, the elevations and depressions of the surface can run parallel to the longitudinal edge of the tool cutting part.

Gemäß einer weiteren Ausgestaltung der Erfindung ist das Werkzeugschneidenteil über mindestens eine Schraube mit dem Werkzeuggrundkörper lösbar verbunden. Hierdurch ist einerseits ein einfaches Auswechseln und andererseits eine feste und passsichere Montage möglich.According to a further embodiment of the invention, the tool cutting part is detachably connected to the tool base body via at least one screw. As a result, on the one hand a simple replacement and on the other hand a firm and secure fit mounting possible.

Das Werkzeugschneidenteil weist auf seiner Oberseite vorteilhaft eine an den umlaufenden Kanten angeordnete scharfkantige Verschleißpanzerung auf.The tool cutting part advantageously has on its upper side a sharp-edged wear armor arranged on the peripheral edges.

Des Weiteren ist der Werkzeuggrundkörper als Gegenschneidenwerkzeug in einem Gegenschneidenwerkzeugträger einer Zerkleinerungsvorrichtung einsetzbar.Furthermore, the tool 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 zusammenwirkenden zweiten Zerkleinerungswerkzeugen, die auf einem Gegenschneidenwerkzeugträger vorgesehen sind, wobei hier die Gegenschneidenwerkzeuge Werkzeuge mit den zuvor erläuterten Merkmalen sind.The invention further relates to a comminution device with a slow-running comminution roller, which carries on circumference first comminution tools, and second co-operating with the first comminution tools Crushing tools, which are provided on 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:
eine Darstellung eines Gegenschneidenwerkzeugträgers wie er in einer Zerkleinerungsvorrichtung gemäß Figur 1 einsetzbar ist,
Figur 3:
einen Querschnitt entsprechend der Schnittlinie A-A durch Figur 1,
Figur 4:
ein erfindungsgemäßes Werkzeug gemäß einer Ausführungsform, bei dem der gegenschneidende Werkzeugträger und das gegenschneidende Werkzeug explosionsartig auseinandergezogen sind,
Figur 5:
eine perspektivische Darstellung des auswechselbaren Werkzeugschneidenteils und
Figur 6:
eine Draufsicht von vorne auf das auswechselbare Werkzeugschneidenteil.
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 representation of a Gegenschneidenwerkzeugträgers as in a crushing device according to FIG. 1 can be used,
FIG. 3:
a cross section corresponding to the section line AA FIG. 1 .
FIG. 4:
an inventive tool according to an embodiment in which the counter-cutting tool carrier and the counter-cutting tool are exploded apart,
FIG. 5:
a perspective view of the interchangeable tool cutting part and
FIG. 6:
a plan view from the front of the interchangeable tool cutting part.

In Figur 1 ist eine Zerkleinerungsvorrichtung 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 shown as a whole already in the DE 20 201 236 U is described. Such a comminution device 10 has a low-speed comminution cylinder 12 which comprises a roller main body 14 and tools 16. The tools are arranged in two staggered rows next to each other over the length of the crushing roller 12.

In der Figur 2 ist eine Gegenschneideneinheit 18 mit einem Gegenschneidenwerkzeugträger 20 gezeigt, wobei auf diesem Gegenschneidenwerkzeugträger entsprechende Werkzeuge 22 in einer Reihe nebeneinander liegend angeordnet sind. Oberhalb der Figur 2 ist ein Detail eines eingesetzten Werkzeugs 22 dargestellt, das die genauere Positionierung dieses Werkzeuges im Gegenschneidenwerkzeugträger 20 zeigt.In the FIG. 2 a counter cutting unit 18 is shown with a counter cutting tool carrier 20, wherein on this counter cutting tool carrier corresponding tools 22 are arranged in a row next to each other. Above the FIG. 2 a detail of an inserted tool 22 is shown, which shows the more accurate positioning of this tool in the counter cutting tool carrier 20.

Figur 3 zeigt in der Querschnittsdarstellung wie die Gegenschneideneinheit 18 und die Zerkleinerungswalze 14 zueinander positioniert sind. In dieser Darstellung ist insbesondere zu sehen, wie die Zerkleinerungswerkzeuge 16 mit den Werkzeugen 22 zusammenwirken. FIG. 3 shows in cross-sectional view how the counter cutting unit 18 and the crushing roller 14 are positioned to each other. In this illustration, it can be seen in particular how the comminution tools 16 interact with the tools 22.

Figur 3 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 gegenscheidenden Werkzeugträgers eingesetzt sind. Grundsätzlich entspricht die Befestigung des Werkzeugs 22 dem Gegenschneidenwerkzeugträger 20 aus dem Stand der Technik, so dass die Art und Weise der Befestigung des Werkzeugs 22 hier nicht nochmals im Einzelnen erläutert werden muss. FIG. 3 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 opposing tool carrier. Basically, the attachment of the tool 22 corresponds to the counter cutting tool carrier 20 of the prior art, so that the manner of attachment of the tool 22 need not be explained again in detail here.

In Figur 4 ist eine explosionsartige Detaildarstellung des Zerkleinerungswerkzeugs 22 gezeigt.In FIG. 4 an explosive detail of the crushing tool 22 is shown.

Dieses besteht aus einem Werkzeuggrundkörper 26 und einem Werkzeugschneidenteil 28, das auswechselbar in den Werkzeuggrundkörper 26 eingesetzt werden kann. Gemäß der vorliegenden Erfindung sind das Werkzeugschneidenteil 28 und der Werkzeuggrundkörper besonders stabil dadurch miteinander 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. Wie im Einzelnen der Figur und insbesondere auch den Figuren 5 und 6 zu entnehmen ist, sind von den Erhöhungen 32 aus zu den Vertiefungen 34 schräge Fläche 36 ausgebildet, so dass sich im Querschnitt nahezu eine Dreiecksform 38 ergibt. Die sich bildenden Vertiefungen haben eine Breite B und weisen jeweils schräge Seitenflächen auf, die einen Winkel α bilden, wie in Figur 6 gezeigt.This consists of a tool body 26 and a tool cutting part 28, which can be interchangeable inserted into the tool base 26. According to the present invention, the tool cutting part 28 and the tool body are particularly stable connected by the fact that the abutment surface 30 between the tool body and tool cutting part each have complementary elevations 32 and recesses 34 such that the elevations of the tool body 26 engage in the recesses of the tool cutting part 28 and vice versa , As in detail of the figure and especially the FIGS. 5 and 6 can be seen are of the elevations 32nd formed from the recesses 34 inclined surface 36, so that in cross-section almost a triangular shape 38 results. The forming recesses have a width B and each have oblique side surfaces forming an angle α, as in FIG. 6 shown.

Entsprechend der Darstellung gemäß Figur 4 und Figur 5 ist ersichtlich, dass die Erhöhungen 32 und Vertiefungen 34 parallel zueinander und zur Längskante des Werkzeugschneidenteils 28 verlaufen.As shown in FIG FIG. 4 and FIG. 5 It can be seen that the elevations 32 and depressions 34 run parallel to each other and to the longitudinal edge of the tool cutting part 28.

Insbesondere der Figur 4 ist des Weiteren zu entnehmen, dass im Werkzeuggrundkörper 26 die an der Stirnseite des Werkzeugschneidenteils 38 anliegende Anlagefläche konkav ausgebildet ist, so dass die entsprechend geformte Stirnseite 38 des Werkzeugschneidenteils 28 im montierten Zustand vom Werkzeuggrundkörper 26 übergriffen wird, wie das in der Schnittdarstellung gemäß Figur 3 bzw. in der vergrößerten Darstellung gemäß Figur 2 deutlich zu erkennen ist. Hierdurch kann das aufgesteckte Werkzeugschneidenteil 28 bei auftretenden radialen Kräften während der Zerkleinerung nicht nach oben ausgeschoben 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 38 abutment surface is concave, so that the corresponding shaped end face 38 of the tool cutting part 28 is overlapped in the mounted state of the tool body 26, as in the sectional view FIG. 3 or in the enlarged view according to FIG. 2 is clearly visible. In this way, the plugged-tool cutting part 28 can not be pushed upwards during the crushing occurring radial forces.

Das Werkzeugschneidenteil 28 ist, wie in der Figur 4 deutlich wird, durch zwei Montageschrauben 42 montierbar, wobei die entsprechenden Gewinde für die Montageschrauben 42 in dem Korpus des Werkzeugschneidenteils 28 ausgebildet sind.The tool cutting part 28 is, as in the 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 28.

Das Werkzeugschneidenteil 28 weist an seinen umlaufenden Kanten eine scharfkantige Verschleißschutzpanzerung 44 auf, wie es in der Figur 4 gezeigt ist.The tool cutting part 28 has at its peripheral edges a sharp-edged wear protection armor 44, as shown in the FIG. 4 is shown.

Claims (9)

  1. Tool (22) for a crushing device, in particular for commercial waste or household waste materials, wherein the tools (22) consist of a tool base body (26) and an exchangeable tool cutter part (28), and wherein the abutment surface (30) between the tool base body (26) and the tool cutter part (28) comprises complementary elevations (32) and depressions (34) in such a way that the elevations (32) of the tool base body (26) engage into the depressions (34) of the tool cutter part (28) and vice versa,
    characterized in that
    in the tool base body (26), the abutment surface (40), which rests against the end surface (38) of the tool cutter part (28) is of concave design, so that the correspondingly formed end surface (38) of the tool cutter part (28), in the mounted state, is overlapped by the tool base body (26).
  2. Tool (22) according to claim 1, characterized in that starting from the elevations (32), oblique surfaces (36) extend to the depressions (34).
  3. Tool (22) according to claim 1 or 2, characterized in that the elevations (32) and depressions (34) extend parallel to one another.
  4. Tool (22) according to any one of claims 1 to 3, characterized in that the elevations (32) and depressions (34) have a triangular form when viewed in the cross-section.
  5. Tool (22) according to any one of claims 1 to 4, characterized in that the elevations (32) and depressions (34) of the surface extend parallel to the longitudinal edge of the tool cutter part (28).
  6. Tool according to any one of claims 1 to 5, characterized in that the tool cutter part (28) is releasably connected to the tool base body (26) via at least one screw (42).
  7. Tool (22) according to any one of claims 1 to 6, characterized in that the tool cutter part (28) comprises a sharp-edged wear protection shield (44) arranged on the peripheral edges.
  8. Tool (22) according to any one of claims 1 to 7, characterized in that the tool base body (26), as a counter cutting tool, can be inserted into a counter-cutting tool carrier (20) of a crusher.
  9. Crusher with a slowly-operating crushing roller (12), which has first crushing tools (16) at the circumference, and with second crushing tools (22) cooperating with the first crushing tools (16), which are provided on a counter-cutting tool carrier (20), characterized in that tools in accordance with any one of claims 1 to 8 are used as counter-cutting tools (22).
EP12004936.6A 2011-07-18 2012-07-03 Tool for a reduction device Active EP2548649B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202011103390 2011-07-18
DE202011103859U DE202011103859U1 (en) 2011-07-18 2011-07-28 Tool for a shredding device

Publications (3)

Publication Number Publication Date
EP2548649A2 EP2548649A2 (en) 2013-01-23
EP2548649A3 EP2548649A3 (en) 2017-12-13
EP2548649B1 true EP2548649B1 (en) 2019-04-10

Family

ID=47220806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12004936.6A Active EP2548649B1 (en) 2011-07-18 2012-07-03 Tool for a reduction device

Country Status (4)

Country Link
EP (1) EP2548649B1 (en)
DE (1) DE202011103859U1 (en)
DK (1) DK2548649T3 (en)
ES (1) ES2734055T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4108338A1 (en) 2021-06-21 2022-12-28 Vermeer Manufacturing Company Shredder for comminuting bulk material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9409707U1 (en) * 1994-06-16 1994-09-15 Doppstadt, Werner, 42555 Velbert Roll shredder
US5439039A (en) * 1994-08-30 1995-08-08 Pacific Saw And Knife Company Slabber with fixed counterknife and adjustable knife and clamp
SE521183C2 (en) * 2001-03-15 2003-10-07 Sandvik Ab Cutting holder with means for adjusting the cutting position holder
DE20201236U1 (en) 2001-10-18 2002-08-29 Heissenberger & Pretzler Ges.m.b.H., Frohnleiten 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2548649A2 (en) 2013-01-23
DK2548649T3 (en) 2019-06-03
EP2548649A3 (en) 2017-12-13
ES2734055T3 (en) 2019-12-04
DE202011103859U1 (en) 2012-10-22

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