EP0529221B1 - Comminuting device - Google Patents
Comminuting device Download PDFInfo
- Publication number
- EP0529221B1 EP0529221B1 EP92110178A EP92110178A EP0529221B1 EP 0529221 B1 EP0529221 B1 EP 0529221B1 EP 92110178 A EP92110178 A EP 92110178A EP 92110178 A EP92110178 A EP 92110178A EP 0529221 B1 EP0529221 B1 EP 0529221B1
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- EP
- European Patent Office
- Prior art keywords
- crushing
- comminuting device
- rollers
- millimetres
- crusher
- 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.)
- Expired - Lifetime
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Classifications
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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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
- B02C18/06—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
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
Definitions
- the invention relates to a shredding device according to the preamble of claim 1.
- a shredding device is known from EP-A-0 069 721.
- a shredding machine for bulky waste which has disks, which is designed with outwardly and laterally projecting fangs, whereby the material located between the disks rotating at different speeds is shredded piece by piece.
- Shredding devices of the type mentioned are used to shred materials of all kinds.
- the main area of application is the shredding of waste, for example wood waste; Metal or plastic waste.
- the materials to be shredded are filled into the funnel-like container and reach the outlet area between the crusher rollers, through which they are shredded.
- the crushed particles fall down through the space between the crusher rollers from the outlet area of the container, where they usually reach a conveyor belt through which they are fed for further storage.
- the crusher rollers of known shredding devices are constructed in a wide variety of ways, whereby a basic principle is always used, in which projecting elements are provided on the outer circumference of the crusher rollers, the elements of adjacent rollers interlocking. In this way, the material to be shredded introduced between the rolls is both gripped by the rolls and transported to the roll gap, and also shredded by the interaction of the two rolls. In order to ensure satisfactory operation, attempts were made to adapt the shape of the crushing rollers to the materials to be shredded. There is always the problem that the crusher rollers either cannot adequately shred the objects to be shredded or that the crusher drums become damaged by the shredding clogging or clogging the resulting fragments.
- the prior art thus shows shredding devices which are not suitable for mixed materials, but rather can only be used in each case for shredding wood, metal or plastic.
- the invention has for its object to provide a shredding device of the type mentioned, which can be used universally with a simple structure and easy handling and in particular enables the comminution of mixed materials with fast and economical operation.
- the shredding device according to the invention is characterized by a number of considerable advantages.
- the described design of the crusher rollers makes it possible to use a wide variety of materials, including mixed materials shred in a reliable manner. It can be observed that a very regular grain size is obtained.
- the crusher elements arranged on the outer circumference of the individual disk elements result in a self-cleaning effect, so that the comminution device according to the invention can be operated without interruptions over a long period of time. Furthermore, the configuration of the crusher rollers according to the invention ensures a high degree of functional reliability, since foreign bodies which are admixed with the material to be shredded do not lead to a malfunction. Foreign objects of this type can, for example, be metallic components which are connected to the wooden parts to be comminuted.
- the shredding device according to the invention allows the processing of a wide variety of different materials, in particular it is possible to process wood, pallets, waste, tree stumps, root pieces or the like. Plastics and compostable materials can also be shredded. In any case, the crushed end product produces a very fine grain.
- the shredding device is constructed in such a way that the disk elements of the two crusher rollers and thus the crusher elements are offset with respect to one another in the longitudinal axis of the crusher shafts.
- the crusher elements thus each engage in opposite spaces of the adjacent crusher roller, so that these spaces are cleaned of crushed particles.
- the overlap of the crusher elements thus leads to the self-cleaning effect described.
- each disk element can be attached to each disk element, preferably four or six crusher elements are provided.
- the crusher element is plate-shaped and essentially arranged in a tangential plane of the disc element. It is also possible to position the crusher element slightly on the inside to the tangential plane. The oblique configuration of the crusher element thus results in a linear force on the workpiece to be shredded, the radially inner side of the crusher element leads to a squeezing movement of the workpiece into the nip.
- the crusher element can be provided with a cutting-like bevel on its front side.
- the crusher element is mounted by means of a support body lying in the plane of the disc element.
- the support body is arranged in front of the crusher element in relation to the working direction of rotation of the crusher roller. It can furthermore be advantageous if the support body has a radially oriented front edge and a segment of a circle arranged in front of the crusher element. In this way, the support body serves not only to support the crusher element, but also at the same time to shred materials, the support body acting like a blade, as is the case, for example, with a circular saw blade. It is beneficial if the diameter the area of the support body which is in the form of a segment of a circle is substantially identical to the circle described by the front edge of the crusher element.
- the shredding device thus brings about multiple shredding of the materials in the configuration of the crusher rollers described last.
- the individual crushing elements and their cutting edges which are each arranged parallel to the axis of the crushing roller, are comminuted in the longitudinal direction of the crushing rollers.
- the support bodies lead to a dismemberment of the respective workpiece into sections which correspond in length to the distance between the individual disk elements.
- the interlocking of the crusher elements ensures reliable cleaning of the spaces between the disc elements. It is essential that the disc elements of the crusher rollers and the crusher elements are dimensioned such that a crusher element of one crusher roller engages in the space between adjacent disc elements of the other crusher roller.
- the individual crusher elements of adjacent disk elements are preferably offset in the circumferential direction, so that a side view of the crusher roller results in a spiral arrangement of the individual crusher elements. This ensures uniform power transmission and prevents the crusher rollers from rattling. At the same time it is ensured that no material is transported uncrushed through the roll gap.
- the crusher rollers can preferably be driven in both directions of rotation. In relation to the roll gap formed by the crusher rollers, it is possible to in the crusher rollers until a predetermined circumferential force is reached To move the working direction towards each other. If a workpiece is clamped between the crusher rollers that cannot be crushed, the crusher rollers are subsequently rotated in the opposite direction for a predetermined period of time in order to clear the roll gap in this way.
- the center distance, the diameter of the base body and the outside diameter of the crusher rollers are each in a specific relationship to one another. It can be advantageous to choose an axis spacing of 325 millimeters with a diameter of the base body of 160 millimeters and an outer diameter of 450 millimeters. However, it is also possible to choose the center distance with 475 millimeters with a diameter of the base body of 260 millimeters and an outer diameter of 660 millimeters. Another particularly favorable pairing is provided by an axis spacing of 650 millimeters, a diameter of the base body of 400 millimeters and an outer diameter of 880 millimeters.
- the shredding device according to the invention can either be designed to be portable or stationary.
- FIG. 1 and 2 each show an embodiment of the comminution device according to the invention in side view and plan view.
- This comprises a funnel-like container 1, in the outlet area 2 of which two crushing rollers 3 and 4 are arranged.
- the crusher rollers 3 and 4 are rotatably mounted parallel to one another and are each driven in opposite directions by means of a drive, not shown in detail.
- a belt conveyor 13 is provided below the outlet area 2, in the exemplary embodiment shown, through which the shredded material can be transported into a container or onto a heap.
- the two crusher rollers 3 and 4 are firmly coupled to one another via a gear for synchronous movement; the drive can take place, for example, via a hydraulic motor 14 which is only shown schematically. Furthermore, safety clutches or the like can be provided in order to prevent overloading of the device.
- 3 shows an end view of the device according to the invention, from which the funnel-like design of the container 1 and the arrangement of the crusher rollers 3, 4 results.
- FIG. 4 and 5 a first embodiment of the crusher rollers 3 and 4 according to the invention is shown.
- the crushing rollers are shown in FIG. 4, as well as in FIG. 6, with an increased mutual distance in order to better describe the structure.
- the crusher rollers 3 and 4 consist of an essentially cylindrical base body 5, which is provided with suitable storage and drive devices (not shown).
- a large number of disk elements 6 are fastened to the base body 5 and, on their outer circumference, as can be seen in particular from FIG. 5, carry a plurality of crusher elements 7.
- the breaker elements 7 are each plate-shaped and arranged essentially in a tangential plane to the respective disk element 6.
- FIG. 5 a view is shown in which the roller rotates in the counterclockwise direction.
- a support body 9 is arranged in front of each of the crusher elements 7 and has a radial front edge 10 and a region 11 in the form of a segment of a circle.
- the front edge 8 of each crusher element 7 is chamfered in a cutting shape.
- FIGS. 6 and 7 differs from the embodiment according to FIGS. 4 and 5 only in that instead of six crusher elements 7 only four crusher elements 7 are provided.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
- Window Of Vehicle (AREA)
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Abstract
Description
Die Erfindung bezieht sich auf eine Zerkleinerungsvorrichtung nach dem Oberbegriff des Anspruches 1. Eine derartige Vorrichtung ist aus der EP-A-0 069 721 bekannt.The invention relates to a shredding device according to the preamble of
Aus der DE-A-28 38 001 ist eine Zerkleinerungsmaschine für sperrige Abfälle bekannt, die Scheiben aufweist, die mit nach außen und seitlich ragenden Reißzähnen ausgestaltet ist, wodurch das zwischen den mit unterschiedlicher Geschwindigkeit umlaufenden Scheiben befindliche Material stückchenweise zerkleinert wird.From DE-A-28 38 001 a shredding machine for bulky waste is known, which has disks, which is designed with outwardly and laterally projecting fangs, whereby the material located between the disks rotating at different speeds is shredded piece by piece.
Aus der US-A-1,435,330 ist eine Zerkleinerungsmaschine mit entgegengesetzt laufenden Brecherwalzen bekannt, die mit unterschiedlichen Geschwindigkeiten angetrieben sind. Bei dieser bekannten Vorrichtung arbeiten die Zerkleinerungswerkzeuge der einzelnen Brecherwalzen unmittelbar gegeneinander, d. h. diese greifen nicht ineinander. Darüber hinaus sind die Zerkleinerungswerkzeuge der beiden Brecherwalzen unterschiedlich ausgebildet, wodurch auf der einen Seite eine im wesentlichen punktförmige Auflage und auf der gegenüberliegenden Seite eine punktförmige oder aber eine linienförmige Auflage erhalten wird, so daß das zwischen diesen beiden Berührungspunkten der Walze befindliche Gut zerdrückt wird.From US-A-1,435,330 a comminution machine with oppositely running crusher rollers is known which are driven at different speeds. In this known device, the crushing tools of the individual crusher rollers work directly against one another, ie they do not interlock. In addition, the crushing tools of the two crusher rollers are designed differently, which essentially means that on the one hand punctiform support and on the opposite side a punctiform or a linear support is obtained so that the material located between these two points of contact of the roller is crushed.
Zerkleinerungsvorrichtungen der genannten Art werden verwendet, um Materialien unterschiedlichster Art zu zerkleinern. Das Haupt-Einsatzgebiet ist dabei die Zerkleinerung von Abfällen, beispielsweise Holzabfällen; Metallabfällen oder Kunststoffabfällen. Die zu zerkleinernden Materialien werden in den trichterartigen Behälter eingefüllt und gelangen in dessen Auslaßbereich zwischen die Brecherwalzen, durch welche sie zerkleinert werden. Die zerkleinerten Partikel fallen durch den Zwischenraum zwischen den Brecherwalzen aus dem Auslaßbereich des Behälters nach unten, wo sie meist auf ein Förderband gelangen, durch welches sie einer weiteren Lagerung zugeführt werden.Shredding devices of the type mentioned are used to shred materials of all kinds. The main area of application is the shredding of waste, for example wood waste; Metal or plastic waste. The materials to be shredded are filled into the funnel-like container and reach the outlet area between the crusher rollers, through which they are shredded. The crushed particles fall down through the space between the crusher rollers from the outlet area of the container, where they usually reach a conveyor belt through which they are fed for further storage.
Die Brecherwalzen bekannter Zerkleinerungsvorrichtungen sind in unterschiedlichster Weise aufgebaut, wobei stets ein Grundprinzip zugrunde liegt, bei dem an dem Außenumfang der Brecherwalzen hervorstehende Elemente vorgesehen sind, wobei die Elemente benachbarter Walzen ineinandergreifen. Auf diese Weise wird das zwischen die Walzen eingeführte zu zerkleinernde Gut sowohl von den Walzen ergriffen und zu dem Walzspalt transportiert, als auch durch das Zusammenwirken der beiden Walzen zerkleinert. Um eine zufriedenstellende Arbeitsweise zu gewährleisten, wurde versucht, die Brecherwalzen hinsichtlich ihrer Form den jeweils zu zerkleinernden Materialien anzupassen. Es besteht dabei stets das Problem, daß die Brecherwalzen entweder die zu zerkleinernden Gegenstände nicht ausreichend zerkleinern können oder daß die Brecherwalzen durch die sich beim Zerkleinern ergebenden Bruchstücke verstopfen oder sich zusetzen. Der Stand der Technik Zeigt somit Zerkleinerungsvorrichtungen, welche nicht für Mischstoffe geeignet ist, sondern jeweils lediglich zur Zerkleinerung von Holz, Metall oder Kunststoff gebraucht werden können.The crusher rollers of known shredding devices are constructed in a wide variety of ways, whereby a basic principle is always used, in which projecting elements are provided on the outer circumference of the crusher rollers, the elements of adjacent rollers interlocking. In this way, the material to be shredded introduced between the rolls is both gripped by the rolls and transported to the roll gap, and also shredded by the interaction of the two rolls. In order to ensure satisfactory operation, attempts were made to adapt the shape of the crushing rollers to the materials to be shredded. There is always the problem that the crusher rollers either cannot adequately shred the objects to be shredded or that the crusher drums become damaged by the shredding clogging or clogging the resulting fragments. The prior art thus shows shredding devices which are not suitable for mixed materials, but rather can only be used in each case for shredding wood, metal or plastic.
Der Erfindung liegt die Aufgabe zugrunde, eine Zerkleinerungsvorrichtung der eingangs genannten Art zu schaffen, welche bei einfachem Aufbau und einfacher Handhabbarkeit universell einsetzbar ist und insbesondere die Zerkleinerung gemischter Materialien bei schneller und wirtschaftlicher Arbeitsweise ermöglicht.The invention has for its object to provide a shredding device of the type mentioned, which can be used universally with a simple structure and easy handling and in particular enables the comminution of mixed materials with fast and economical operation.
Erfindungsgemäß wird die Aufgabe mit den Merkmalen des Anspruches 1 gelöst.According to the invention the object is achieved with the features of
Die erfindungsgemäße Zerkleinerungsvorrichtung zeichnet sich durch eine Reihe erheblicher Vorteile aus. Durch die beschriebene Ausgestaltung der Brecherwalzen ist es möglich, unterschiedlichste Materialien, auch gemischte Materialien in zuverlässiger Weise zu zerkleinern. Es ist dabei zu beobachten, daß eine sehr regelmäßige Korngröße erhalten wird.The shredding device according to the invention is characterized by a number of considerable advantages. The described design of the crusher rollers makes it possible to use a wide variety of materials, including mixed materials shred in a reliable manner. It can be observed that a very regular grain size is obtained.
Durch die am Außenumfang der einzelnen Scheibenelemente angeordneten Brecherelemente tritt ein Selbstreinigungseffekt auf, so daß die erfindungsgemäße Zerkleinerungsvorrichtung ohne Unterbrechungen über einen langen Zeitraum betrieben werden kann. Weiterhin gewährleistet die erfindungsgemäße Ausgestaltung der Brecherwalzen ein hohes Maß an Funktionssicherheit, da Fremdkörper, welche dem zu zerkleinernden Wertstoff zugemischt sind, nicht zu einer Betriebsstörung führen. Derartige Fremdkörper können beispielsweise metallische Bauelemente sein, welche mit den zu zerkleinernden Holzteilen verbunden sind. Somit gestattet die erfindungsgemäße Zerkleinerungsvorrichtung die Verarbeitung einer Vielzahl unterschiedlichster Stoffe, es ist insbesondere möglich, Holz, Paletten, Müll, Baumstümpfe, Wurzelstücke oder ähnliches zu verarbeiten. Weiterhin können auch Kunststoffe und kompostierbare Materialien zerkleinert werden. In jedem Fall ergibt sich ein ausgesprochen feines Korn bei dem zerkleinerten Endprodukt.The crusher elements arranged on the outer circumference of the individual disk elements result in a self-cleaning effect, so that the comminution device according to the invention can be operated without interruptions over a long period of time. Furthermore, the configuration of the crusher rollers according to the invention ensures a high degree of functional reliability, since foreign bodies which are admixed with the material to be shredded do not lead to a malfunction. Foreign objects of this type can, for example, be metallic components which are connected to the wooden parts to be comminuted. Thus, the shredding device according to the invention allows the processing of a wide variety of different materials, in particular it is possible to process wood, pallets, waste, tree stumps, root pieces or the like. Plastics and compostable materials can also be shredded. In any case, the crushed end product produces a very fine grain.
Erfindungsgemäß ist die Zerkleinerungsvorrichtung so aufgebaut, daß die Scheibenelemente der beiden Brecherwalzen und damit die Brecherelemente in Längsachse der Brecherwellen gegeneinander versetzt sind. Die Brecherelemente greifen somit jeweils in gegenüberliegende Zwischenräume der benachbarten Brecherwalze ein, so daß diese Zwischenräume von zerkleinerten Partikeln gereinigt werden. Die Überlappung der Brecherelemente führt somit zu dem beschriebenen Selbstreinigungseffekt.According to the invention, the shredding device is constructed in such a way that the disk elements of the two crusher rollers and thus the crusher elements are offset with respect to one another in the longitudinal axis of the crusher shafts. The crusher elements thus each engage in opposite spaces of the adjacent crusher roller, so that these spaces are cleaned of crushed particles. The overlap of the crusher elements thus leads to the self-cleaning effect described.
An jedem Scheibenelement können erfindungsgemäß mehrere Brecherelemente angebracht sein, bevorzugterweise sind vier oder sechs Brecherelemente vorgesehen.According to the invention, several crusher elements can be attached to each disk element, preferably four or six crusher elements are provided.
Das Brecherelement ist der Erfindung gemäß plattenförmig ausgebildet und im wesentlichen in einer Tangentialebene des Scheibenelementes angeordnet. Es ist auch möglich, das Brecherelement geringfügig innenliegend zu der Tangentialebene zu positionieren. Durch die schräge Ausgestaltung des Brecherelementes ergibt sich somit eine linienförmige Krafteinwirkung auf das zu zerkleinernde Werkstück, die radial innen liegende Seite des Brecherelementes führt zu einer Quetschbewegung des Werkstückes in den Walzenspalt.According to the invention, the crusher element is plate-shaped and essentially arranged in a tangential plane of the disc element. It is also possible to position the crusher element slightly on the inside to the tangential plane. The oblique configuration of the crusher element thus results in a linear force on the workpiece to be shredded, the radially inner side of the crusher element leads to a squeezing movement of the workpiece into the nip.
Um den Zerkleinerungsvorgang zu verbessern, kann das Brecherelement an seiner Vorderseite mit einer schneidenartigen Abschrägung versehen sein.In order to improve the crushing process, the crusher element can be provided with a cutting-like bevel on its front side.
Erfindungsgemäß ist das Brecherelement mittels eines in der Ebene des Scheibenelementes liegenden Stützkörpers gelagert. Auf diese Weise wird die Stabilität der Brecherwalze erheblich gesteigert. Der Stützkörper ist, bezogen auf die Arbeits-Drehrichtung der Brecherwalze vor dem Brecherelement angeordnet. Dabei kann es weiterhin günstig sein, wenn der Stützkörper eine radial ausgerichtete Vorderkante und einen vor dem Brecherelement angeordneten kreissegmentartigen Bereich aufweist. Auf diese Weise dient der Stützkörper nicht nur zum Stützen des Brecherelementes, sondern auch gleichzeitig zum Zerkleinern von Materialien, wobei der Stützkörper schneidenartig wirkt, so wie dies beispielsweise bei einem Kreissägeblatt der Fall ist. Dabei ist es günstig, wenn der Durchmesser des kreissegmentartigen Bereiches des Stützkörpers im wesentlichen gleich ist zu dem von der Vorderkante des Brecherelementes beschriebenen Kreises.According to the invention, the crusher element is mounted by means of a support body lying in the plane of the disc element. In this way, the stability of the crusher roller is significantly increased. The support body is arranged in front of the crusher element in relation to the working direction of rotation of the crusher roller. It can furthermore be advantageous if the support body has a radially oriented front edge and a segment of a circle arranged in front of the crusher element. In this way, the support body serves not only to support the crusher element, but also at the same time to shred materials, the support body acting like a blade, as is the case, for example, with a circular saw blade. It is beneficial if the diameter the area of the support body which is in the form of a segment of a circle is substantially identical to the circle described by the front edge of the crusher element.
Die erfindungsgemäße Zerkleinerungsvorrichtung bewirkt bei der zuletzt beschriebenen Ausgestaltung der Brecherwalzen somit eine mehrfache Zerkleinerung der Materialien. Zum einen erfolgt eine Zerkleinerung in Längsrichtung der Brecherwalzen durch die einzelnen Brecherelemente und deren Schneiden, welche jeweils parallel zur Brecherwalzenachse angeordnet sind. Die Stützkörper führen zu einer Zerstückelung des jeweiligen Werkstückes in Teilstücke, welche in ihrer Länge dem Abstand der einzelnen Scheibenelemente entsprechen. Durch das Ineinandergreifen der Brecherelemente wird eine zuverlässige Reinigung der Zwischenräume zwischen den Scheibenelementen sichergestellt. Dabei ist es wesentlich, daß die Scheibenelemente der Brecherwalzen und die Brecherelemente so dimensioniert sind, daß ein Brecherelement einer Brecherwalze jeweils in den Zwischenraum zwischen benachbarte Scheibenelemente der anderen Brecherwalze eingreift.The shredding device according to the invention thus brings about multiple shredding of the materials in the configuration of the crusher rollers described last. On the one hand, the individual crushing elements and their cutting edges, which are each arranged parallel to the axis of the crushing roller, are comminuted in the longitudinal direction of the crushing rollers. The support bodies lead to a dismemberment of the respective workpiece into sections which correspond in length to the distance between the individual disk elements. The interlocking of the crusher elements ensures reliable cleaning of the spaces between the disc elements. It is essential that the disc elements of the crusher rollers and the crusher elements are dimensioned such that a crusher element of one crusher roller engages in the space between adjacent disc elements of the other crusher roller.
Die einzelnen Brecherelemente benachbarter Scheibenelemente sind bevorzugterweise in Umfangsrichtung versetzt, so daß sich bei Seitenansicht der Brecherwalze eine spiralartige Anordnung der einzelnen Brecherelemente ergibt. Hierdurch wird eine gleichmäßige Kraftübertragung gewährleistet, ein Rattern der Brecherwalzen wird verhindert. Gleichzeitig ist sichergestellt, daß kein Material unzerkleinert durch den Walzspalt transportiert wird.The individual crusher elements of adjacent disk elements are preferably offset in the circumferential direction, so that a side view of the crusher roller results in a spiral arrangement of the individual crusher elements. This ensures uniform power transmission and prevents the crusher rollers from rattling. At the same time it is ensured that no material is transported uncrushed through the roll gap.
Die Brecherwalzen sind bevorzugterweise in beide Drehrichtungen antreibbar. Bezogen auf den durch die Brecherwalzen gebildeten Walzspalt ist es dabei möglich, die Brecherwalzen bis zum Erreichen einer vorgegebenen Umfangskraft in Arbeitsdrehrichtung aufeinander zuzubewegen. Falls ein Werkstück zwischen den Brecherwalzen geklemmt ist, welches nicht zerkleinert werden kann, werden nachfolgend die Brecherwalzen über einen vorgegebenen Zeitraum in Gegenrichtung gedreht, um auf diese Weise den Walzspalt freizuarbeiten.The crusher rollers can preferably be driven in both directions of rotation. In relation to the roll gap formed by the crusher rollers, it is possible to in the crusher rollers until a predetermined circumferential force is reached To move the working direction towards each other. If a workpiece is clamped between the crusher rollers that cannot be crushed, the crusher rollers are subsequently rotated in the opposite direction for a predetermined period of time in order to clear the roll gap in this way.
Besonders günstig ist es, wenn der Achsabstand, der Durchmesser des Grundkörpers und der Außendurchmesser der Brecherwalzen jeweils in einem bestimmten Verhältnis zueinander stehen. Dabei kann es günstig sein, einen Achsabstand von 325 Millimetern bei einem Durchmesser des Grundkörpers von 160 Millimetern und einem Außendurchmesser von 450 Millimetern zu wählen. Es ist jedoch auch möglich, den Achsabstand mit 475 Millimetern bei einem Durchmesser des Grundkörpers von 260 Millimetern und einem Außendurchmesser von 660 Millimetern zu wählen. Eine weitere, besonders günstige Paarung ist durch einen Achsabstand von 650 Millimetern, einen Durchmesser des Grundkörpers von 400 Millimetern und einen Außendurchmesser von 880 Millimetern gegeben.It is particularly favorable if the center distance, the diameter of the base body and the outside diameter of the crusher rollers are each in a specific relationship to one another. It can be advantageous to choose an axis spacing of 325 millimeters with a diameter of the base body of 160 millimeters and an outer diameter of 450 millimeters. However, it is also possible to choose the center distance with 475 millimeters with a diameter of the base body of 260 millimeters and an outer diameter of 660 millimeters. Another particularly favorable pairing is provided by an axis spacing of 650 millimeters, a diameter of the base body of 400 millimeters and an outer diameter of 880 millimeters.
Die erfindungsgemäße Zerkleinerungsvorrichtung kann entweder transportabel oder ortsfest ausgestaltet sein.The shredding device according to the invention can either be designed to be portable or stationary.
Im Folgenden wird die Erfindung an Hand von Ausführungsbeispielen in Verbindung mit der Zeichnung beschrieben. Dabei zeigt:
- Fig. 1
- eine schematische Seitenansicht eines Ausführungsbeispieles der erfindungsgemäßen Zerkleinerungsvorrichtung,
- Fig. 2
- eine Draufsicht auf das in Fig. 1 gezeigte Ausführungsbeispiel,
- Fig. 3
- eine Rückansicht, teils im Schnitt, des in Fig. 1 gezeigten Ausführungsbeispieles,
- Fig. 4
- eine vergrößerte Detaildarstellung eines ersten Ausführungsbeispieles der erfindungsgemäßen Brecherwalzen,
- Fig. 5
- eine Schnittansicht längs der Linie V-V von Fig. 4,
- Fig. 6
- eine Ansicht eines weiteren Ausführungsbeispieles der erfindungsgemäßen Brecherwalzen, ähnlich Fig. 4, und
- Fig. 7
- eine Schnittansicht entlang der Linie VII-VII von Fig. 6.
- Fig. 1
- 2 shows a schematic side view of an exemplary embodiment of the comminution device according to the invention,
- Fig. 2
- 2 shows a plan view of the exemplary embodiment shown in FIG. 1,
- Fig. 3
- 3 shows a rear view, partly in section, of the exemplary embodiment shown in FIG. 1,
- Fig. 4
- 2 shows an enlarged detailed illustration of a first exemplary embodiment of the crushing rollers according to the invention,
- Fig. 5
- 3 shows a sectional view along the line VV from FIG. 4,
- Fig. 6
- a view of another embodiment of the crusher rollers according to the invention, similar to FIG. 4, and
- Fig. 7
- 6 shows a sectional view along the line VII-VII from FIG. 6.
Die Fig. 1 und 2 zeigen in Seitenansicht und Draufsicht jeweils ein Ausführungsbeispiel der erfindungsgemäßen Zerkleinerungsvorrichtung. Diese umfaßt einen trichterartigen Behälter 1, in dessen Auslaßbereich 2 zwei Brecherwalzen 3 und 4 angeordnet sind. Die Brecherwalzen 3 und 4 sind parallel zueinander und drehbar gelagert und werden jeweils gegensinnig mittels eines im einzelnen nicht dargestellten Antriebes angetrieben. Unterhalb des Auslaßbereiches 2 ist bei dem gezeigten Ausführungsbeispiel ein Bandförderer 13 vorgesehen, durch welchen das zerkleinerte Material in einen Behälter oder auf eine Halde transportiert werden kann.1 and 2 each show an embodiment of the comminution device according to the invention in side view and plan view. This comprises a funnel-
Die beiden Brecherwalzen 3 und 4 sind über ein Getriebe zur synchronen Bewegung fest miteinander gekoppelt, der Antrieb kann beispielsweise über einen nur schematisch dargestellten Hydraulikmotor 14 erfolgen. Weiterhin können Sicherheitskupplungen oder ähnliches vorgesehen sein, um eine Überlastung der Vorrichtung zu verhindern. Die Fig. 3 zeigt eine stirnseitige Ansicht der erfindungsgemäßen Vorrichtung, aus welcher sich die trichterartige Ausgestaltung des Behälters 1 und die Anordnung der Brecherwalzen 3, 4 ergibt.The two
In den Fig. 4 und 5 ist ein erstes Ausführungsbeispiel der erfindungsgemäßen Brecherwalzen 3 und 4 dargestellt. Die Brecherwalzen sind in Fig. 4, ebenso wie in Fig. 6 mit einem vergrößerten gegenseitigen Abstand gezeigt, um den Aufbau besser beschreiben zu können.4 and 5, a first embodiment of the
Die Brecherwalzen 3 und 4 bestehen aus einem im wesentlichen zylindrischen Grundkörper 5, der mit geeigneten Lagerungs- und Antriebseinrichtungen versehen ist (nicht dargestellt). An dem Grundkörper 5 sind eine Vielzahl von Scheibenelementen 6 befestigt, welche an ihrem Außenumfang, wie insbesondere aus Fig. 5 ersichtlich ist, mehrere Brecherelemente 7 tragen. Die Brecherelemente 7 sind jeweils plattenförmig ausgebildet und im wesentlichen in einer Tangentialebene zu dem jeweiligen Scheibenelement 6 angeordnet.The
Bei dem in Fig. 5 gezeigten Ausführungsbeispiel ist eine Ansicht gezeigt, bei welcher sich die Walze in Gegenuhrzeigerrichtung dreht.In the exemplary embodiment shown in FIG. 5, a view is shown in which the roller rotates in the counterclockwise direction.
Vor jedem der Brecherelemente 7 ist ein Stützkörper 9 angeordnet, welcher eine radiale Vorderkante 10 sowie einen kreissegmentförmigen Bereich 11 aufweist. Die Vorderkante 8 jedes Brecherelementes 7 ist schneidenförmig abgeschrägt.A
Aus Fig. 4 ergibt sich, daß die beiden Brecherwalzen 3 und 4 nicht gleich ausgebildet sind. Vielmehr sind die einzelnen Scheibenelemente 6 in Längsrichtung der Brecherwalzen 3, 4 so gegeneinander versetzt, daß sie jeweils auf Lücke. stehen. Es ergibt sich, daß in Fig. 4 ein vergrößerter Walzspalt 12 gezeigt ist, da der Abstand der beiden Brecherwalzen 3 und 4 vergrößert abgebildet ist. Im betriebsgemäßen Zustand greifen die einzelnen Brecherelemente 7 jeweils in den Zwischenraum der Scheibenelemente 6 der benachbarten Brecherwalze und führen zu einer Reinigung dieses Zwischenbereiches. Bei der vorstehend bereits genannten Dimensionierung des Durchmessers des Grundkörpers 5, des Achsenabstandes der Brecherwalzen 3, 4 und des Außendurchmessers der Brecherwalzen ergeben sich jeweils besonders günstige Reinigungseffekte. Es versteht sich, daß die Zuordnung der Brecherwalzen 3 und 4 so erfolgt, daß eine gegenseitige Beeinflussung oder Störung der Brecherelemente 7 nicht eintritt.From Fig. 4 it follows that the two
Das in den Fig. 6 und 7 gezeigte Ausführungsbeispiel unterscheidet sich von dem Ausführungsbeispiel gemäß Fig. 4 und 5 lediglich dadurch, daß anstelle von sechs Brecherelementen 7 nur mehr vier Brecherelemente 7 vorgesehen sind.The embodiment shown in FIGS. 6 and 7 differs from the embodiment according to FIGS. 4 and 5 only in that instead of six
Claims (12)
- A comminuting device comprising a hopper-type container (1), in the outlet region (2) of which are mounted two mutually parallel crushing rollers (3, 4) drivable in counterrotation, wherein each crushing roller (3, 4) has a cylindrical body (5) to which are fixed a plurality of spaced disc members (6) which are staggered in relation to one another along the longitudinal axis of the crushing rollers (3, 4) and on the circumferential region of which are arranged a plurality of plate-shaped crushing members (7), wherein the disc members (6) of the crushing rollers (3, 4) and the crushing members (7) are dimensioned in such a manner that a crushing member (7) of one crushing roller (3, 4) engages in the space between adjacent disc members (6) of the other crushing roller (3, 4), characterised in that the crushing rollers (3, 4) are driven synchronously, in that each plate-shaped crushing member (7) is wider in the axial direction than the thickness of the disc members (6) and is substantially arranged in a tangential plane of the disc member (6) so that its cutting edge lies substantially parallel to the axis of the crushing rollers, in that the crushing member (7) is mounted by means of a supporting body (9) arranged in the plane of the disc member (6) and in that the supporting body (9) is arranged upstream of the crushing member (7) relative to the working direction of rotation of the crushing roller (3, 4).
- A comminuting device according to claim 1, characterised in that six crushing members (7) are provided on each disc member (6).
- A comminuting device according to claim 1, characterised in that four crushing members (7) are provided on each disc member (6).
- A comminuting device according to any one of claims 1 to 3, characterised in that the crushing member (7) is provided with a blade-type chamfer on its front edge (8).
- A comminuting device according to any one of claims 1 to 4, characterised in that the supporting body (9) has a radially orientated front edge (10) and a circle-segment-type region (11) arranged upstream of the crushing member (7).
- A comminuting device according to claim 5, characterised in that the diameter of the circle-segment-type region (11) is substantially equal to the circle described by the front edge (8) of the crushing member (7).
- A comminuting device according to any one of claims 1 to 6, characterised in that the crushing rollers (3, 4) are each drivable in both directions of rotation.
- A comminuting device according to claim 7, characterised in that the crushing rollers (3, 4), in relation to the roller gap (12) that they form, are rotatable until a predetermined circumferential force is reached in the working direction of rotation towards the roller gap (12) and are subsequently rotatable in the opposite direction for a predetermined period of time.
- A comminuting device according to any one of claims 1 to 8, characterised in that the crushing rollers (3, 4) have an axial distance of 325 millimetres, a body (5) diameter of 160 millimetres and an outer diameter of 450 millimetres.
- A comminuting device according to any one of claims 1 to 9, characterised in that the crushing rollers (3, 4) have an axial distance of 475 millimetres, a body (5) diameter of 260 millimetres and an outer diameter of 660 millimetres.
- A comminuting device according to any one of claims 1 to 10, characterised in that the crushing rollers (3, 4) have an axial distance of 650 millimetres, a body (5) diameter of 400 millimetres and an outer diameter of 880 millimetres.
- A comminuting device according to any one of claims 1 to 11, characterised in that the individual crushing members (7) of adjacent disc members (6) are offset in the circumferential direction to form a spiral arrangement of the crushing members (7) of a crushing roller (3, 4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9110457U DE9110457U1 (en) | 1991-08-23 | 1991-08-23 | Shredding device |
| DE9110457U | 1991-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0529221A1 EP0529221A1 (en) | 1993-03-03 |
| EP0529221B1 true EP0529221B1 (en) | 1996-09-25 |
Family
ID=6870546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92110178A Expired - Lifetime EP0529221B1 (en) | 1991-08-23 | 1992-06-17 | Comminuting device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0529221B1 (en) |
| AT (1) | ATE143291T1 (en) |
| DE (2) | DE9110457U1 (en) |
| DK (1) | DK0529221T3 (en) |
| ES (1) | ES2092599T3 (en) |
| GR (1) | GR3021587T3 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10344289B4 (en) * | 2003-09-23 | 2005-12-29 | Forus Gmbh | Apparatus for shredding bulky materials, in particular garbage |
| US7007878B2 (en) | 2003-02-10 | 2006-03-07 | Morbark, Inc. | Waste product ripping and grinding machine and methods of constructing and operating the machine |
| DE202009016001U1 (en) | 2009-09-29 | 2010-03-04 | Arjes Gmbh | Shear wave crushing device |
| DE202009013063U1 (en) | 2009-09-29 | 2010-03-04 | Arjes Gmbh | Shear wave crushing device |
| DE102009038984A1 (en) | 2009-08-20 | 2011-02-24 | HAAS Holzzerkleinerungs- und Fördertechnik GmbH | Apparatus for shredding general cargo |
| DE102010028048A1 (en) | 2010-04-21 | 2011-10-27 | Tino Kluge | Motor propelled device for crushing and classifying material, has carriers guided in respective recesses, where end of one of carriers is guided against space, and other end of carrier is projected into or over outer surface of shaft |
| DE202012007852U1 (en) | 2012-08-16 | 2012-09-06 | Lindner Mobile Shredder Gmbh | Multigrade two-shaft system |
| DE102012004984A1 (en) | 2012-03-14 | 2013-09-19 | HAAS Holzzerkleinerungs- und Fördertechnik GmbH | Device for cutting cargo e.g. joist, has planetary towers whose longitudinal axes are formed in plane above which longitudinal axes of output shafts are formed and below which longitudinal axis of drive shaft is formed in center |
| EP2698207A1 (en) | 2012-08-16 | 2014-02-19 | Lindner Mobile Shredder GmbH | Multi-area dual shaft cutting system |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995004596A1 (en) * | 1993-08-04 | 1995-02-16 | Hume Alister C | Wood fibre debris processor |
| CA2255365C (en) | 1998-10-21 | 2004-05-25 | Norbert Kottmann | Comminuting apparatus |
| ES2171144B2 (en) * | 2001-01-05 | 2003-08-01 | Belenguer Isidro Sabater | WOOD WASTE MACHINE AND OTHER PRODUCTS. |
| ES1048083Y (en) | 2001-01-05 | 2001-11-01 | Ribas Antonio Bonet | ADVANCED RODS OF TANGENTIAL PUSH |
| DE102005039200B4 (en) * | 2005-07-21 | 2008-10-30 | Eurec Technology Gmbh Development & Design | Crushing device with a plurality of substantially parallel, motor-driven, rotating or oscillating waves |
| FI20105998L (en) * | 2010-09-28 | 2012-03-29 | Upm Kymmene Corp | Method for processing wood raw material and wood raw material crusher |
| CN105501580B (en) * | 2016-01-12 | 2017-10-13 | 三明学院 | A kind of automatic bale broken drawing mechanism of urea |
| CN105944791A (en) * | 2016-05-25 | 2016-09-21 | 南京航空航天大学 | Double-toothed roller crusher and working method thereof |
| CN106423384B (en) * | 2016-11-15 | 2019-01-29 | 石嘴山市凝力机械设备有限公司 | A kind of coal mine crushing machine with automatic cleaning and filtering function |
| CN106861848B (en) * | 2017-03-17 | 2018-12-25 | 余云森 | A kind of rubber powder multistage milling apparatus |
| CN112547192A (en) * | 2020-11-26 | 2021-03-26 | 杨明贵 | Compound fertilizer production equipment and use method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1435330A (en) * | 1921-12-30 | 1922-11-14 | Pardee Frank | Coal breaker |
| DE2838001A1 (en) * | 1978-08-31 | 1980-04-24 | Peter Voelskow | Crusher for bulky materials - has set of rotating cylinders with meshing circular ribs carrying tearing teeth |
| US4205799A (en) * | 1978-09-29 | 1980-06-03 | Garbalizer Corporation Of America | Shredding apparatus |
| DE8708703U1 (en) * | 1987-06-23 | 1987-08-27 | Maschinenfabrik Laska Gesellschaft m.b.H., Traun | Device for chopping frozen meat |
-
1991
- 1991-08-23 DE DE9110457U patent/DE9110457U1/en not_active Expired - Lifetime
-
1992
- 1992-06-17 DK DK92110178.8T patent/DK0529221T3/en active
- 1992-06-17 ES ES92110178T patent/ES2092599T3/en not_active Expired - Lifetime
- 1992-06-17 AT AT92110178T patent/ATE143291T1/en active
- 1992-06-17 EP EP92110178A patent/EP0529221B1/en not_active Expired - Lifetime
- 1992-06-17 DE DE59207231T patent/DE59207231D1/en not_active Expired - Lifetime
-
1996
- 1996-11-07 GR GR960402961T patent/GR3021587T3/en unknown
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7007878B2 (en) | 2003-02-10 | 2006-03-07 | Morbark, Inc. | Waste product ripping and grinding machine and methods of constructing and operating the machine |
| DE10344289B4 (en) * | 2003-09-23 | 2005-12-29 | Forus Gmbh | Apparatus for shredding bulky materials, in particular garbage |
| DE202009018795U1 (en) | 2009-08-20 | 2013-06-06 | HAAS Holzzerkleinerungs- und Fördertechnik GmbH | Apparatus for shredding general cargo |
| DE102009038984B4 (en) * | 2009-08-20 | 2013-07-11 | HAAS Holzzerkleinerungs- und Fördertechnik GmbH | Apparatus for shredding general cargo |
| DE102009038984A1 (en) | 2009-08-20 | 2011-02-24 | HAAS Holzzerkleinerungs- und Fördertechnik GmbH | Apparatus for shredding general cargo |
| DE202009013063U1 (en) | 2009-09-29 | 2010-03-04 | Arjes Gmbh | Shear wave crushing device |
| DE202009016001U1 (en) | 2009-09-29 | 2010-03-04 | Arjes Gmbh | Shear wave crushing device |
| DE102010028048B4 (en) * | 2010-04-21 | 2012-07-26 | Tino Kluge | Apparatus for shredding and classification |
| DE102010028048A1 (en) | 2010-04-21 | 2011-10-27 | Tino Kluge | Motor propelled device for crushing and classifying material, has carriers guided in respective recesses, where end of one of carriers is guided against space, and other end of carrier is projected into or over outer surface of shaft |
| DE102012004984A1 (en) | 2012-03-14 | 2013-09-19 | HAAS Holzzerkleinerungs- und Fördertechnik GmbH | Device for cutting cargo e.g. joist, has planetary towers whose longitudinal axes are formed in plane above which longitudinal axes of output shafts are formed and below which longitudinal axis of drive shaft is formed in center |
| DE102012004984B4 (en) * | 2012-03-14 | 2015-11-12 | HAAS Holzzerkleinerungs- und Fördertechnik GmbH | Apparatus for shredding general cargo |
| DE202012007852U1 (en) | 2012-08-16 | 2012-09-06 | Lindner Mobile Shredder Gmbh | Multigrade two-shaft system |
| EP2698207A1 (en) | 2012-08-16 | 2014-02-19 | Lindner Mobile Shredder GmbH | Multi-area dual shaft cutting system |
| WO2014026916A1 (en) | 2012-08-16 | 2014-02-20 | Lindner Mobile Shredder Gmbh | Multi-region twin-shaft cutting system |
| US10799878B2 (en) | 2012-08-16 | 2020-10-13 | Lindner-Recyclingtech Gmbh | Multi-region twin-shaft cutting system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0529221A1 (en) | 1993-03-03 |
| DK0529221T3 (en) | 1997-01-13 |
| DE9110457U1 (en) | 1991-12-19 |
| DE59207231D1 (en) | 1996-10-31 |
| ES2092599T3 (en) | 1996-12-01 |
| GR3021587T3 (en) | 1997-02-28 |
| ATE143291T1 (en) | 1996-10-15 |
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