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EP1099481B1 - Comminuting machine - Google Patents

Comminuting machine Download PDF

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Publication number
EP1099481B1
EP1099481B1 EP00124420A EP00124420A EP1099481B1 EP 1099481 B1 EP1099481 B1 EP 1099481B1 EP 00124420 A EP00124420 A EP 00124420A EP 00124420 A EP00124420 A EP 00124420A EP 1099481 B1 EP1099481 B1 EP 1099481B1
Authority
EP
European Patent Office
Prior art keywords
cutting
end section
frame
comminuting machine
machine according
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
Application number
EP00124420A
Other languages
German (de)
French (fr)
Other versions
EP1099481A1 (en
Inventor
Udo Becker
Igor Plahuta
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.)
SYNMET HOLDING BV
Original Assignee
Becker Udo
Plahuta Igor
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Publication date
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Application filed by Becker Udo, Plahuta Igor filed Critical Becker Udo
Priority to SI200030196T priority Critical patent/SI1099481T1/en
Publication of EP1099481A1 publication Critical patent/EP1099481A1/en
Application granted granted Critical
Publication of EP1099481B1 publication Critical patent/EP1099481B1/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
    • B02C18/14—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
    • 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

Definitions

  • the invention relates to a crushing machine working on the principle of shear cutting.
  • the invention relates to a crushing machine with at least one mounted in a stiffened cutting frame, carrying a plurality of cutting discs, motor-driven cutting shaft whose cutting discs cooperate for crushing a good with another tool, the cutting frame substantially from two opposite, parallel to the cutting shaft extending side parts and two, the side parts connecting together end parts consists.
  • Such crushers are widely used for recycling of raw materials, with a variety of different products are crushed with such crushing machines, such as sheet metal parts, tires or refrigerators, just to name a few.
  • Such a known crushing machine consists of a very sturdy, torsion-resistant cutting frame, in whose end faces at least one, for example, driven by an electric motor cutting shaft is mounted.
  • the cutting shaft carries a plurality of cutting discs, which usually carry a plurality of cutting heads.
  • the cutting discs are spaced apart from each other and cooperate with another tool, wherein as a further tool, a fixed scraper or a counter-rotating to the cutting shaft second cutting shaft may be provided with cutting discs.
  • the cutting gap between the cutting discs or between a cutting disc and the scraper must be only a few 1/10 mm to achieve the desired cutting result.
  • the cutting frame is designed to be stable and torsionally stiff so that no distortion on the cutting frame occur even with a crushing of very hard or tough Good that change the kerf between the cutting discs would.
  • the two oppositely driven cutting shafts are mounted in the two opposite end parts of the cutting frame.
  • the end parts themselves are divided into two and formed by a lower end part Stim and an upper part Stim. This division is provided so that the cutting shaft can be lifted out of the cutting frame by disassembly of the upper end part element.
  • the face part elements themselves are held between the end regions of the two opposite side parts.
  • a fastening of the end part elements to the side parts is effected by fastening screws, which pass through the side parts and engage laterally in the narrow sides of the end part elements.
  • the side parts screwed with all four Stimteilettin the cutting frame is formed in this known crushing machine. With the mounting screws takes place among other means, inter alia, by a bracing of the side elements together a necessary adjustment and setup of the cutting frame to ensure proper operation of the cutting discs by appropriately setting the kerf can.
  • the cutting frame frame consists of two side parts and two one-piece front parts.
  • the bearings of the two cutting shafts are located outside the cutting frame.
  • the bearings are constructed in two parts, so that after removing the upper bearing plate, the cutting shaft can be lifted out of the camp.
  • the two end parts of the cutting frame frame have slot-like recesses through which the cutting shafts are guided sealed.
  • the upper-side mounting of the seals is realized by a respective perforated plate fastened on the outside on the front part.
  • a disadvantage of the crushing machine according to EP 0 667 187 B1 is that bearings located outside the cutting frame frame - so-called external bearings - are provided for supporting the cutting shafts.
  • external bearings - are provided for supporting the cutting shafts.
  • not only the cutting frame must be adjusted, but in addition the two external bearings, which has a considerable installation overhead expense result.
  • replacement of the cutting shafts is complicated due to the numerous connections to be solved.
  • the invention is therefore the object of developing a crushing machine of the aforementioned type generic in such a way that not only an adjustment but also a cutting shaft replacement is easier to carry out.
  • the end parts are formed divided and consist of an upper end part Stimteil and a lower end part element.
  • the bearings of at least one cutting shaft are held in the subject matter of the invention in the end parts; these bearings are also referred to as internal bearings.
  • Each bearing is bordered by the two Stimteiletti a front part.
  • At least the upper end part element of each front part of the cutting frame frame is detachably attached to the adjacent side parts, wherein this frontally adjacent to the two adjacent side parts.
  • the fasteners used to attach the Stimteilettis on the side panels reach the side parts in the end.
  • the front side of the side parts can also be widened by a flange.
  • the two upper end part elements can thus be removed independently of the lower end part element of the cutting frame, without destabilizing or dejust Schl this must be removed.
  • the inclusion of the bearing between the two face part elements also has the consequence that even after removal of the upper Stimteiletti the at least one cutting unit shaft can be easily lifted out of the cutting frame.
  • the possibility of removing the upper end part elements of the cutting frame also allows a particularly good frontal accessibility of the cutting frame, in particular the lower bearing parts when the at least one cutting shaft is removed.
  • the lower end element of each end face remains connected to the side parts of the cutting frame, so that this retains its once established adjustment even with a removal of the upper end part element.
  • the upper end part element can be fastened for example by fastening screws on the end faces of the adjacent side parts.
  • the lower end part element may, if desired, be integrally screwed to the side parts or also like the upper end part element with these.
  • each of the end part elements is expedient to form each of the end part elements as yoke plates, which together enclose the outside of or the bearing of one or more cutting shafts.
  • a crushing machine 1 comprises a cutting frame 2, which consists of two opposite side parts 3, 4 and two opposite, the two side parts 3, 4 frontally interconnecting end portions 5, 6.
  • Each front part 5, 6 is, as shown in the illustration of Figure 2 showing the front part 6, seen from two yoke plates 7, 8.
  • the yoke plates 7, 8 are by top engaging fastening screws B J screwed together.
  • the yoke plates 7, 8 are screwed to the side parts 3, 4 in such a manner that the fastening screws used for this purpose B S rarium pass through the yoke plates 7, 8 and engage in frontally introduced into the side parts 3, 4 mounting holes.
  • An attachment of the yoke plates 7, 8 and accordingly also a disassembly of the same with or from the side parts 3, 4 thus takes place on the front side (cf., in particular Figures 1 and 4).
  • the end parts 5, 6 serve to hold the bearings L of two cutting shafts 9, 10, which are each equipped with a plurality of cutting discs S.
  • the cutting discs S of the two cutting shafts 9, 10 are offset and arranged with a only 1/10 mm measuring kerf to each other.
  • the staggered arrangement of the cutting discs S is Figure 1 and Figure 3 removed.
  • the yoke plates 7, 8 each have two semicircular recesses which define a circular receptacle in the composite yoke plates 7, 8 (see FIG.
  • each end part 5, 6 is protected by a wear protection plate 11, 12, each consisting of a base plate 13 and a hard steel support plate 14.
  • the wear protection plates 11, 12 serve to protect both the end parts 5, 6 and the bearing L against damage during operation of the crushing machine.
  • the two cutting shafts 9, 10 are driven by drive units 15, 16 shown schematically in each case, wherein the drive unit 15 for driving the cutting shaft 9 and the drive unit 16 for driving the cutting shaft 10 are provided.
  • the bearings are held by a clamping between the two end part elements 7a, 8a of each end part, wherein only one end part 6a is shown.
  • the bearing receptacle 17 formed by the adjoining end part elements 7a, 8a has a circumferential groove 18 (shown by dashed lines in FIG. 5) into which a web projecting from a bearing protrudes circumferentially.
  • the web of the bearing has a slight chamfer in order to promote the clamping action of the web within the circumferential groove 18.
  • an anti-rotation cam which engages in a corresponding recess of one of the two end part elements 7a, 8a.
  • An anti-rotation of the bearing can for example be realized by the embodiment shown in Figure 2, in which the two mounting rings for holding the bearing L with a broken straight side directly adjacent.
  • the cutting frame 2 is set up and adjusted during a first start-up of the crushing machine, inter alia, by appropriate screwing of the yoke plates 7, 8 and 7a, 8a with the side parts 3, 4. This device and adjustment is maintained even when the respective upper yoke plate 8 and 8a of the two opposite end parts 5, 6 and 6a is removed by loosening the mounting screws B S. Even with disassembled upper yoke plates 8 and 8a of the cutting frame 2 remains in its established and adjusted arrangement, as opposed to the prior art, the cutting frame 2 in this respect is not changed in total by the lower yoke plates 7, 7 'and 7a. Consequently, after reassembly of the two upper yoke plates 8 and 8a respectively, the cutterbar frame 2 does not need to be newly set up or adjusted.

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

Abstract

The machine comprises a cutter shaft (9) which carries several cutter blades (5) and which is held rotatably in a support frame (2). The cutter blades operate in conjunction with an additional tool in order to pulverize incoming material. The frame consists of two opposite side sections (3,4) and two end sections (5,6) which hold the shaft. Both end sections have a part which can be removed in order to remove the drive shaft.

Description

Die Erfindung betrifft eine Zerkleinerungsmaschine arbeitend nach dem Prinzip des Scherschneidens. Insbesondere betrifft die Erfindung eine Zerkleinerungsmaschine mit zumindest einer in einem ausgesteiften Schneidwerksrahmen gelagerten, eine Vielzahl von Schneidscheiben tragenden, motorisch angetriebenen Schneidwelle, deren Schneidscheiben zum Zerkleinern eines Gutes mit einem weiteren Werkzeug zusammenwirken, wobei der Schneidwerksrahmen im wesentlichen aus zwei gegenüberliegenden, sich parallel zur Schneidwelle erstreckenden Seitenteilen und zwei, die Seitenteile miteinander verbindenden Stimteilen besteht.The invention relates to a crushing machine working on the principle of shear cutting. In particular, the invention relates to a crushing machine with at least one mounted in a stiffened cutting frame, carrying a plurality of cutting discs, motor-driven cutting shaft whose cutting discs cooperate for crushing a good with another tool, the cutting frame substantially from two opposite, parallel to the cutting shaft extending side parts and two, the side parts connecting together end parts consists.

Derartige Zerkleinerungsmaschinen werden vielfach zum Recyclen von Rohstoffen eingesetzt, wobei eine Vielzahl unterschiedlicher Produkte mit derartigen Zerkleinerungsmaschinen zerkleinert werden, wie beispielsweise Blechteile, Reifen oder auch Kühlschränke, nur um einige zu nennen. Eine solche vorbekannte Zerkleinerungsmaschine besteht aus einem sehr stabil ausgebildeten, verwindungssteifen Schneidwerksrahmen, in dessen Stirnseiten zumindest eine, beispielsweise elektromotorisch angetriebene Schneidwelle gelagert ist. Die Schneidwelle trägt eine Vielzahl von Schneidscheiben, die zumeist eine Vielzahl von Schneidköpfen tragen. Die Schneidscheiben sind beabstandet voneinander angeordnet und wirken mit einem weiteren Werkzeug zusammen, wobei als weiteres Werkzeug ein feststehender Abstreifer oder auch eine gegensinnig zu der Schneidwelle rotierende zweite Schneidwelle mit Schneidscheiben vorgesehen sein kann. Der Schnittspalt zwischen den Schneidscheiben oder auch zwischen einer Schneidscheibe und dem Abstreifer darf nur wenige 1/10 mm betragen, um das gewünschte Schneidergebnis zu erzielen. Zur Gewährleistung einer bestimmungsgemäßen Rotation der Schneidwellen, ohne daß sich die gegeneinander rotierenden Schneidscheiben beeinträchtigen, ist der Schneidwerksrahmen entsprechend stabil und verwindungssteif ausgelegt, damit auch bei einer Zerkleinerung von sehr hartem oder zähem Gut keine Verwindungen am Schneidwerksrahmen auftreten, die den Schnittspalt zwischen den Schneidscheiben verändern würden.Such crushers are widely used for recycling of raw materials, with a variety of different products are crushed with such crushing machines, such as sheet metal parts, tires or refrigerators, just to name a few. Such a known crushing machine consists of a very sturdy, torsion-resistant cutting frame, in whose end faces at least one, for example, driven by an electric motor cutting shaft is mounted. The cutting shaft carries a plurality of cutting discs, which usually carry a plurality of cutting heads. The cutting discs are spaced apart from each other and cooperate with another tool, wherein as a further tool, a fixed scraper or a counter-rotating to the cutting shaft second cutting shaft may be provided with cutting discs. The cutting gap between the cutting discs or between a cutting disc and the scraper must be only a few 1/10 mm to achieve the desired cutting result. To ensure proper rotation of the cutting shafts without affecting the mutually rotating cutting discs, the cutting frame is designed to be stable and torsionally stiff so that no distortion on the cutting frame occur even with a crushing of very hard or tough Good that change the kerf between the cutting discs would.

Bei einer vorbekannten Zerkleinerungsmaschine sind die beiden gegensinnig angetriebenen Schneidwellen in den beiden gegenüberliegenden Stirnteilen des Schneidwerksrahmens gelagert. Die Stimteile selbst sind zweigeteilt und durch ein unteres Stimteilelement und ein oberes Stimteilelement gebildet. Diese Zweiteilung ist vorgesehen, damit durch eine Demontage des oberen Stirnteilelementes die Schneidwelle aus dem Schneidwerksrahmen herausgehoben werden kann. Die Stirnteilelemente selbst sind zwischen den Endbereichen der beiden gegenüber liegenden Seitenteile gehalten. Eine Befestigung der Stirnteilelemente an den Seitenteilen erfolgt durch Befestigungsschrauben, die die Seitenteile durchgreifen und seitlich in die Schmalseiten der Stirnteilelemente eingreifen. Sind die Seitenteile mit allen vier Stimteilelementen verschraubt, ist der Schneidwerksrahmen bei dieser vorbekannten Zerkleinerungsmaschine gebildet. Mit den Befestigungsschrauben erfolgt neben anderen Mitteln unter anderem auch durch eine Verspannen der Seitenelemente miteinander eine notwendige Justage und Einrichtung des Schneidwerksrahmens, um einen bestimmungsgemäßen Lauf der Schneidscheiben durch entsprechendes Einrichten des Schnittspaltes gewährleisten zu können.In a previously known comminution machine, the two oppositely driven cutting shafts are mounted in the two opposite end parts of the cutting frame. The end parts themselves are divided into two and formed by a lower end part Stim and an upper part Stim. This division is provided so that the cutting shaft can be lifted out of the cutting frame by disassembly of the upper end part element. The face part elements themselves are held between the end regions of the two opposite side parts. A fastening of the end part elements to the side parts is effected by fastening screws, which pass through the side parts and engage laterally in the narrow sides of the end part elements. Are the side parts screwed with all four Stimteilelementen, the cutting frame is formed in this known crushing machine. With the mounting screws takes place among other means, inter alia, by a bracing of the side elements together a necessary adjustment and setup of the cutting frame to ensure proper operation of the cutting discs by appropriately setting the kerf can.

In zeitlichen Intervallen müssen die Schneidscheiben aufgrund ihres Verschleißes ausgetauscht werden. Um die Zeit der Nichtbenutzung einer solchen Zerkleinerungsmaschine bei einem Austausch der Schneidscheiben möglichst gering zu halten, wird bei dieser vorbekannten Zerkleinerungsmaschine die gesamte Schneidwelle aus dem Schneidwerksrahmen herausgenommen und gegen eine andere mit neuen Schneidscheiben ausgetauscht. Zu diesem Zweck müssen die Befestigungsschrauben der beiden Stirnteilelemente gelöst und diejenigen des oberen Stirnteilelements vollständig herausgenommen, damit dieses von dem Schneidwerksrahmen entfernt werden kann. Dies hat jedoch eine Dejustage des Schneidwerksrahmens zur Folge. Auch wenn ein Austausch einer Schneidwelle gegen eine neue bei dieser Zerkleinerungsmaschine in kurzer Zeit durchgeführt werden kann, stellt sich als Nachteil dar, daß bei jedem neuen Einbau einer Schneidwelle der Schneidwerksrahmen neu eingerichtet und justiert werden muß. Dies kann mehrere Tage in Anspruch nehmen.In time intervals, the cutting discs must be replaced due to their wear. In order to keep the time of non-use of such a crushing machine with an exchange of cutting discs as low as possible, the entire cutting shaft is removed from the cutting frame and replaced with another with new cutting discs in this prior art crushing machine. For this purpose, the fastening screws of the two end part elements must be solved and those of the upper Stirnteilelements completely removed so that it can be removed from the cutting frame. However, this has a misalignment of the cutting frame result. Even if an exchange of a cutting shaft can be performed against a new in this crushing machine in a short time, it turns out to be a disadvantage that with each new installation of a cutting shaft of the cutting frame needs to be re-established and adjusted. This can take several days.

Aus der EP 0 667 187 B1 ist eine weitere Zerkleinerungsmaschine bekannt geworden, bei der der Schneidwerksrahmen aus zwei Seitenteilen und zwei einteiligen Stirnteilen besteht. Die Lager der beiden Schneidwellen sind außerhalb des Schneidwerksrahmens angeordnet. Die Lager sind zweigeteilt aufgebaut, so daß nach Entfernen der oberen Lagerplatte die Schneidwelle aus dem Lager herausgehoben werden kann. Die beiden Stirnteile des Schneidwerksrahmens weisen langlochartige Ausnehmungen auf, durch die die Schneidwellen abgedichtet geführt sind. Die oberseitige Halterung der Dichtungen ist durch jeweils eine außenseitig am Stirnteil befestigte Lochplatte realisiert. Bei einer Demontage der Schneidwellen braucht bei dieser vorbekannten Zerkleinerungsmaschine durch die einteilige Ausgestaltung der Stirnteile der Schneidwerksrahmen nicht dejustiert zu werden. Folglich kann ein Austausch der Schneidwellen wesentlich rascher erfolgen, verglichen mit dem zuvor geschilderten Stand der Technik.From EP 0 667 187 B1 a further crushing machine is known become, in which the cutting frame frame consists of two side parts and two one-piece front parts. The bearings of the two cutting shafts are located outside the cutting frame. The bearings are constructed in two parts, so that after removing the upper bearing plate, the cutting shaft can be lifted out of the camp. The two end parts of the cutting frame frame have slot-like recesses through which the cutting shafts are guided sealed. The upper-side mounting of the seals is realized by a respective perforated plate fastened on the outside on the front part. When disassembling the cutting shafts need not be misaligned in this prior art crusher by the one-piece design of the end portions of the cutting frame. Consequently, an exchange of the cutting shafts can be done much faster compared to the previously described prior art.

Nachteilig bei der Zerkleinerungsmaschine gemäß EP 0 667 187 B1 ist jedoch, daß außerhalb der Schneidwerkrahmens befindliche Lager - sogenannte externe Lager - zum Lagern der Schneidwellen vorgesehen sind. Insbesondere bei der Montage einer solchen Zerkleinerungsmaschine muß daher nicht nur der Schneidwerksrahmen justiert werden, sondern zusätzlich die beiden externen Lager, was einen nicht unerheblichen Montagemehraufwand zur Folge hat. Überdies ist ein Auswechseln der Schneidwellen infolge der zahlreichen zu lösenden Verbindungen aufwendig.A disadvantage of the crushing machine according to EP 0 667 187 B1, however, is that bearings located outside the cutting frame frame - so-called external bearings - are provided for supporting the cutting shafts. In particular, in the assembly of such a crushing machine, therefore, not only the cutting frame must be adjusted, but in addition the two external bearings, which has a considerable installation overhead expense result. Moreover, replacement of the cutting shafts is complicated due to the numerous connections to be solved.

Ausgehend von diesem diskutierten Stand der Technik liegt der Erfindung daher die Aufgabe zugrunde, eine Zerkleinerungsmaschine der eingangs genannten gattungsgemäßen Art dergestalt weiterzubilden, daß nicht nur eine Justage sondern auch ein Schneidwellenwechsel vereinfacht durchführbar ist.Based on this discussed prior art, the invention is therefore the object of developing a crushing machine of the aforementioned type generic in such a way that not only an adjustment but also a cutting shaft replacement is easier to carry out.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.This object is achieved by the features of claim 1.

Bei der erfindungsgemäßen Zerkleinerungsmaschine sind die Stirnteile geteilt ausgebildet und bestehen aus einem oberen Stimteilelement und einem unteren Stirnteilelement. Die Lager der zumindest einen Schneidwelle sind beim Gegenstand der Erfindung in den Stirnteilen gehalten; diese Lager werden auch als interne Lager bezeichnet. Jedes Lager ist durch die beiden Stimteilelemente eines Stirnteiles eingefaßt. Zumindest das obere Stirnteilelement eines jeden Stirnteiles des Schneidwerksrahmens ist lösbar an den angrenzenden Seitenteilen befestigt, wobei dieses stirnseitig an die beiden angrenzenden Seitenteile grenzt. Die eingesetzten Befestigungsmittel zum Befestigen des Stimteilelementes an den Seitenteilen greifen stimseitig in die Seitenteile. Die Stirnseite der Seitenteile kann auch durch einen Flansch verbreitert sein. Die beiden oberen Stirnteilelemente können somit unabhängig von dem unteren Stirnteilelement von dem Schneidwerksrahmen, ohne diesen destabilisieren oder dejustieren zu müssen, entfernt werden. Die Aufnahme der Lager zwischen den beiden Stirnteilelementen hat auch zur Folge, daß bereits nach einem Entfernen der oberen Stimteilelemente die zumindest eine Schneidwerkswelle ohne weiteres aus dem Schneidwerksrahmen herausgehoben werden kann. Die Möglichkeit des Entfernens der oberen Stirnteilelemente des Schneidwerksrahmens gestattet ebenfalls eine besonders gute stirnseitige Zugänglichkeit des Schneidwerkrahmens, insbesondere der unteren Lagerteile, wenn die zumindest eine Schneidwelle ausgebaut ist. Das untere Stirnteilelement jeder Stirnseite verbleibt verbunden mit den Seitenteilen des Schneidwerksrahmens, so daß dieser seine einmal eingerichtete Justage auch bei einem Entfernen des oberen Stirnteilelementes beibehält.In the crushing machine according to the invention, the end parts are formed divided and consist of an upper end part Stimteil and a lower end part element. The bearings of at least one cutting shaft are held in the subject matter of the invention in the end parts; these bearings are also referred to as internal bearings. Each bearing is bordered by the two Stimteilelemente a front part. At least the upper end part element of each front part of the cutting frame frame is detachably attached to the adjacent side parts, wherein this frontally adjacent to the two adjacent side parts. The fasteners used to attach the Stimteilelementes on the side panels reach the side parts in the end. The front side of the side parts can also be widened by a flange. The two upper end part elements can thus be removed independently of the lower end part element of the cutting frame, without destabilizing or dejustieren this must be removed. The inclusion of the bearing between the two face part elements also has the consequence that even after removal of the upper Stimteilelemente the at least one cutting unit shaft can be easily lifted out of the cutting frame. The possibility of removing the upper end part elements of the cutting frame also allows a particularly good frontal accessibility of the cutting frame, in particular the lower bearing parts when the at least one cutting shaft is removed. The lower end element of each end face remains connected to the side parts of the cutting frame, so that this retains its once established adjustment even with a removal of the upper end part element.

Das obere Stirnteilelement kann beispielsweise durch Befestigungsschrauben an den Stirnseiten der angrenzenden Seitenteile befestigt sein. Das untere Stirnteilelement kann, wenn gewünscht, einteilig mit den Seitenteilen oder auch wie das obere Stirnteilelement mit diesen verschraubt sein. Da durch das Entfernen der oberen Stirnteilelemente nicht nur der Schneidwerksrahmen zum Herausnehmen der zumindest einen Schneidwelle geöffnet ist, sondern da zwischen den beiden Stirnteilelementen auch die Lager eingefaßt gehalten sind, brauchen bei einem Schneidwellenwechsel oder bei einer Schneidwellendemontage lediglich die beiden oberen Stirnteilelemente ausgebaut zu werden. Die Zeitspanne, in der eine solche Zerkleinerungsmaschine bei einem Wechsel der Schneidwellen nicht arbeiten kann, ist daher auf die alleinig zum Auswechseln der Schneidwellen benötigte Zeit reduziert.The upper end part element can be fastened for example by fastening screws on the end faces of the adjacent side parts. The lower end part element may, if desired, be integrally screwed to the side parts or also like the upper end part element with these. Since not only the cutting frame for removing the at least one cutting shaft is opened by the removal of the upper Stirnteilelemente, but since the bearings are held bordered between the two Stirnteilelementen, need to be removed at a Schneidwellenwechsel or at a Schneidwellendemontage only the two upper Stirnteilelemente. The period of time during which such a comminution machine can not work when the cutting shafts are changed is therefore reduced to the time required solely for exchanging the cutting shafts.

Die beiden gegenüberliegenden oberen Stirnteilelemente dienen zum Halten der Schneidwellen mit ihren Lagern in ihren bestimmungsgemäßen Sitz. Aus diesem Grunde ist es zweckmäßig, die Stirnteilelemente jeweils als Jochplatten auszubilden, die gemeinsam die Außenseite des oder der Lager einer oder mehrerer Schneidwellen einfassen.For this reason, it is expedient to form each of the end part elements as yoke plates, which together enclose the outside of or the bearing of one or more cutting shafts.

Zur zusätzlichen Befestigung der beiden Stirnteilelemente untereinander kann vorgesehen sein, daß diese durch eine eigene Verschraubung miteinander verbunden sind.For additional attachment of the two end part elements with each other can be provided that these are interconnected by a separate screw.

Nachfolgend wird die Erfindung anhand von zwei Ausführungsbeispielen unter Bezugnahme auf die beigefügten Figuren erläutert. Es zeigen:

Fig. 1:
Eine zum Teil geschnittene Draufsicht auf eine Zerkleinerungsmaschine mit zwei gegensinnig angetriebenen Schneidwellen,
Fig. 2:
Einen Schnitt durch die Zerkleinerungsmaschine der Figur 1 entlang der Linie A-B,
Fig. 3:
Einen Schnitt durch die Zerkleinerungsmaschine der Figur 1 entlang der Linie C-D,
Fig. 4:
Eine zum Teil geschnittene Seitenansicht der Zerkleinerungsmaschine der Figur 1 mit den demontierten oberen Jochplatten und
Fig. 5:
Einen Schnitt entsprechend demjenigen der Figur 2 durch eine weitere Zerkleinerungsmaschine.
The invention will be explained with reference to two embodiments with reference to the accompanying figures. Show it:
Fig. 1:
A partially sectioned plan view of a crushing machine with two oppositely driven cutting shafts,
Fig. 2:
A section through the crusher of Figure 1 along the line AB,
3:
A section through the crushing machine of Figure 1 along the line CD,
4:
A partially sectioned side view of the crushing machine of Figure 1 with the dismantled upper yoke plates and
Fig. 5:
A section corresponding to that of Figure 2 by a further crushing machine.

Eine Zerkleinerungsmaschine 1 umfaßt einen Schneidwerksrahmen 2, der aus zwei gegenüberliegenden Seitenteilen 3, 4 und zwei gegenüberliegenden, die beiden Seitenteile 3, 4 stirnseitig miteinander verbindenden Stirnteilen 5, 6 besteht. Jedes Stirnteil 5, 6 besteht, wie aus der Darstellung der Figur 2 zeigend das Stirnteil 6 ersichtlich, aus zwei Jochplatten 7, 8. Die Jochplatten 7, 8 sind durch oberseitig eingreifende Befestigungsschrauben BJ miteinander verschraubt. Die Jochplatten 7, 8 sind mit den Seitenteilen 3, 4 in einer solchen Art und Weise verschraubt, daß die für diesen Zweck eingesetzten Befestigungsschrauben BS randlich die Jochplatten 7, 8 durchgreifen und in stirnseitig in die Seitenteile 3, 4 eingebrachte Befestigungsbohrungen eingreifen. Eine Befestigung der Jochplatten 7, 8 und entsprechend auch eine Demontage derselben mit bzw. von den Seitenteilen 3, 4 erfolgt somit stirnseitig (vgl. insbesondere Figuren 1 und 4).A crushing machine 1 comprises a cutting frame 2, which consists of two opposite side parts 3, 4 and two opposite, the two side parts 3, 4 frontally interconnecting end portions 5, 6. Each front part 5, 6 is, as shown in the illustration of Figure 2 showing the front part 6, seen from two yoke plates 7, 8. The yoke plates 7, 8 are by top engaging fastening screws B J screwed together. The yoke plates 7, 8 are screwed to the side parts 3, 4 in such a manner that the fastening screws used for this purpose B S randlich pass through the yoke plates 7, 8 and engage in frontally introduced into the side parts 3, 4 mounting holes. An attachment of the yoke plates 7, 8 and accordingly also a disassembly of the same with or from the side parts 3, 4 thus takes place on the front side (cf., in particular Figures 1 and 4).

Die Stirnteile 5, 6 dienen zum Halten der Lager L von zwei Schneidwellen 9, 10, die jeweils mit einer Vielzahl von Schneidscheiben S bestückt sind. Die Schneidscheiben S der beiden Schneidwellen 9, 10 sind versetzt und mit einem nur wenige 1/10 mm messenden Schnittspalt zueinander angeordnet. Die versetzte Anordnung der Schneidscheiben S ist Figur 1 und auch Figur 3 entnehmbar. Zum Einfassen der Schneidwellen 9, 10 mit ihren Lagern L weisen die Jochplatten 7, 8 jeweils zwei halbkreisförmige Ausnehmungen auf, die eine kreisförmige Aufnahme bei den zusammengesetzten Jochplatten 7, 8 definieren (vgl. Figur 2).The end parts 5, 6 serve to hold the bearings L of two cutting shafts 9, 10, which are each equipped with a plurality of cutting discs S. The cutting discs S of the two cutting shafts 9, 10 are offset and arranged with a only 1/10 mm measuring kerf to each other. The staggered arrangement of the cutting discs S is Figure 1 and Figure 3 removed. For enclosing the cutting shafts 9, 10 with their bearings L, the yoke plates 7, 8 each have two semicircular recesses which define a circular receptacle in the composite yoke plates 7, 8 (see FIG.

Innenseitig ist jedes Stimteil 5, 6 durch eine Verschleißschutzplatte 11, 12 geschützt, die jeweils aus einer Grundplatte 13 und einer Hartstahlauflageplatte 14 besteht. Die Verschleißschutzplatten 11, 12 dienen zum Schutz sowohl der Stirnteile 5, 6 als auch der Lager L vor Beschädigungen beim Betrieb der Zerkleinerungsmaschine 1.On the inside, each end part 5, 6 is protected by a wear protection plate 11, 12, each consisting of a base plate 13 and a hard steel support plate 14. The wear protection plates 11, 12 serve to protect both the end parts 5, 6 and the bearing L against damage during operation of the crushing machine. 1

Angetrieben sind die beiden Schneidwellen 9, 10 durch jeweils schematisiert dargestellte Antriebseinheiten 15, 16, wobei die Antriebseinheit 15 zum Antreiben der Schneidwelle 9 und die Antriebseinheit 16 zum Antreiben der Schneidwelle 10 vorgesehen sind.The two cutting shafts 9, 10 are driven by drive units 15, 16 shown schematically in each case, wherein the drive unit 15 for driving the cutting shaft 9 and the drive unit 16 for driving the cutting shaft 10 are provided.

Aus der Seitenansicht der Figur 4, bei der die oberen Stimteilelemente 8 entfernt sind, sind die nunmehr freiliegenden Stirnseiten ST erkennbar. Ferner wird aus dieser Abbildung die Befestigung der unteren Stirnteilelemente 7, 7' mittels der Befestigungsschrauben BS, die ihrerseits in die Stirnseiten ST der Seitenteile 4, 5 eingreifen, deutlich. Entsprechend sind ebenfalls die oberen Stimteilelemente 8 befestigt. Die Stirnseiten ST der Seitenteile 4, 5 sind durch einen Flansch F verbreitert, wie dies auch aus Figur 1 deutlich wird.
Bei dem in Figur 5 gezeigten Ausführungsbeispiel sind die Lager der Schneidwellen 9, 10 im Gegensatz zu dem Ausführungsbeispiel der Figuren 1 bis 4 nicht durch entsprechende Halteringe auf der Außenseite der Stirnteile 5, 6 befestigt. Bei diesem Ausführungsbeispiel sind die Lager durch eine Klemmung zwischen den beiden Stirnteilelementen 7a, 8a eines jeden Stirnteils gehalten, wobei lediglich ein Stirnteil 6a gezeigt ist. Zu diesem Zweck weist die durch die aneinandergrenzenden Stirnteilelemente 7a, 8a gebildete Lageraufnahme 17 eine umlaufende Nut 18 (in Figur 5 gestrichelt dargestellt), in die ein umfänglich von einem Lager abragender Steg eingreift. Der Steg der Lager weist eine leichte Fase auf, um die Klemmwirkung des Steges innerhalb der umlaufenden Nut 18 zu begünstigen.From the side view of Figure 4, in which the upper Stimteilelemente 8 are removed, the now exposed end faces ST are recognizable. Furthermore, from this figure, the attachment of the lower end part elements 7, 7 'by means of fastening screws B S , which in turn engage in the end faces ST of the side parts 4, 5, clearly. Accordingly, the upper Stimteilelemente 8 are also attached. The end faces ST of the side parts 4, 5 are widened by a flange F, as is also the case Figure 1 becomes clear.
In the embodiment shown in Figure 5, the bearings of the cutting shafts 9, 10, in contrast to the embodiment of Figures 1 to 4 are not secured by corresponding retaining rings on the outside of the end pieces 5, 6. In this embodiment, the bearings are held by a clamping between the two end part elements 7a, 8a of each end part, wherein only one end part 6a is shown. For this purpose, the bearing receptacle 17 formed by the adjoining end part elements 7a, 8a has a circumferential groove 18 (shown by dashed lines in FIG. 5) into which a web projecting from a bearing protrudes circumferentially. The web of the bearing has a slight chamfer in order to promote the clamping action of the web within the circumferential groove 18.

Um eine Verdrehsicherung der Lager zu erreichen, können diese einen Drehsicherungsnocken tragen, der in eine entsprechende Ausnehmung eines der beiden Stirnteilelemente 7a, 8a eingreift. Eine Verdrehsicherung der Lager kann beispielsweise auch durch die in Figur 2 gezeigte Ausgestaltung realisiert sein, bei der die beiden Montageringe zum Halten der Lager L mit einer gebrochenen geraden Seite unmittelbar aneinandergrenzen.In order to achieve an anti-rotation of the bearings, they can carry an anti-rotation cam, which engages in a corresponding recess of one of the two end part elements 7a, 8a. An anti-rotation of the bearing can for example be realized by the embodiment shown in Figure 2, in which the two mounting rings for holding the bearing L with a broken straight side directly adjacent.

Der Schneidwerksrahmen 2 wird bei einer ersten Inbetriebnahme der Zerkleinerungsmaschine unter anderem durch entsprechendes Verschrauben der Jochplatten 7, 8 bzw. 7a, 8a mit den Seitenteilen 3, 4 eingerichtet und justiert. Diese Einrichtung und Justage bleibt auch dann erhalten, wenn die jeweilig obere Jochplatte 8 bzw. 8a der beiden gegenüberliegenden Stirnteile 5, 6 bzw. 6a durch Lösen der Befestigungsschrauben BS entfernt wird. Selbst bei demontierten oberen Jochplatten 8 bzw. 8a bleibt der Schneidwerksrahmen 2 in seiner eingerichteten und justierten Anordnung, da durch die unteren Jochplatten 7, 7' bzw. 7a im Gegensatz zum vorbekannten Stand der Technik der Schneidwerksrahmen 2 diesbezüglich insgesamt nicht verändert wird. Folglich braucht der Schneidwerksrahmen 2 nach einer erneuten Montage der beiden oberen Jochplatten 8 bzw. 8a weder neu eingerichtet noch justiert zu werden.The cutting frame 2 is set up and adjusted during a first start-up of the crushing machine, inter alia, by appropriate screwing of the yoke plates 7, 8 and 7a, 8a with the side parts 3, 4. This device and adjustment is maintained even when the respective upper yoke plate 8 and 8a of the two opposite end parts 5, 6 and 6a is removed by loosening the mounting screws B S. Even with disassembled upper yoke plates 8 and 8a of the cutting frame 2 remains in its established and adjusted arrangement, as opposed to the prior art, the cutting frame 2 in this respect is not changed in total by the lower yoke plates 7, 7 'and 7a. Consequently, after reassembly of the two upper yoke plates 8 and 8a respectively, the cutterbar frame 2 does not need to be newly set up or adjusted.

Aus der Beschreibung der Erfindung wird deutlich, daß ein Schneidwellenwechsel bei der erfindungsgemäßen Zerkleinerungsmaschine infolge der stimseitigen Befestigung der oberen Jochplatten ohne eine Beeinträchtigung der Justage des Schneidwerksrahmens vorgenommen werden kann und daß sich aus diesem Grunde die Wechselzeit auf diejenige Zeit reduziert, die alleinig zum Auswechseln der Schneidwellen benötigt wird. Insbesondere bei Zerkleinerungsmaschinen, die im Dauerbetrieb eingesetzt sind, hat diese durch Einsparen einer erneuten Justage des Schneidwerksrahmens bedingte Zeitersparnis nicht unerhebliche Vorteile zur Folge.From the description of the invention it is clear that a cutting shaft change can be made without affecting the adjustment of the cutting frame frame in the crushing machine according to the invention as a result of the front attachment of the upper yoke plates and that, for this reason, reduces the change time to that time that is needed solely for replacing the cutting shafts. In particular, in crushing machines that are used in continuous operation, this has by saving a re-adjustment of the cutting frame frame-related time savings not inconsiderable advantages.

Zusammenstellung der BezugszeichenCompilation of the reference numerals

11
Zerkleinerungsmaschinecrusher
22
SchneidwerksrahmenCutting frame
33
Seitenteilside panel
44
Seitenteilside panel
55
StimteilStim part
66
Stirnteilfront part
7, 7'7, 7 '
Jochplatteyoke plate
88th
Jochplatteyoke plate
99
Schneidwellebladeshaft
1010
Schneidwellebladeshaft
1111
VerschleißschutzplatteWear protective plate
1212
VerschleißschutzplatteWear protective plate
1313
Grundplattebaseplate
1414
HartstahlauflageplatteHard steel support plate
1515
Antriebseinheitdrive unit
1616
Antriebseinheitdrive unit
1717
Lageraufnahmebearing seat
1818
Nutgroove
BJ B J
Befestigungsschraubefixing screw
BS B s
Befestigungsschraubefixing screw
FF
Flanschflange
SS
Schneidscheibecutting disc
STST
Stirnseitefront
LL
Lagercamp

Claims (7)

  1. Comminuting machine having at least one motor-driven cutter shaft (9) mounted in a stiffened cutting tool frame (2) and bearing a large number of cutting discs (5) which cooperate with a further tool (10) to comminute goods, the frame (2) comprising essentially two opposite side sections (3, 4) which extend parallel to the cutter shaft (9) and two end sections (5, 6, 6a) which connect the side sections (3, 4) to one another, characterised in that
    - the end sections (5, 6, 6a) are configured divided and comprise an upper end section element (8, 8a) and a lower end section element (7, 7', 7a),
    - the bearings (L) of the at least one cutter shaft (9) are held by the end sections (5, 6, 6a), respectively one bearing (L) being enclosed by the two end section elements (7, 7', 8; 7a, 8a) of an end section (5, 6, 6a), and
    - the upper end section element (8, 8a) of each end face (5, 6, 6a) being secured in a detachable manner to the end faces (ST) of the adjacent side sections (3, 4) by securing means (BS) which engage on the end face in respect of the adjacent side sections, so that for removing the at least one cutter shaft (9) from the cutting tool frame (2), the upper end section elements (8, 8a) can be dismantled from the frame, without misalignment of the frame (2).
  2. Comminuting machine according to claim 1, characterised in that the end section elements are configured as yoke plates (7, 7', 8, 7a, 8a).
  3. Comminuting machine according to claim 1 or 2, characterised in that the upper end section element (8, 8a) is screwed, if necessary also pinned, to the adjacent side sections (3, 4).
  4. Comminuting machine according to one of claims 1 to 3, characterised in that the lower end section element (7, 7', 7a) is screwed to the adjacent side sections (3, 4) on the end face.
  5. Comminuting machine according to one of claims 1 to 4, characterised in that the upper end section element (8) is additionally screwed to the lower end section element (7, 7').
  6. Comminuting machine according to one of claims 1 to 5, characterised in that the bearings (L) of the at least one cutter shaft (9) are fixed between the two end section elements (7a, 8a) by a clamp.
  7. Comminuting machine according to one of claims 1 to 6, characterised in that wearing protection plates (11, 12) are secured to the end section elements (7, 7', 8), said plates being disposed on the inner side, divided into two and comprising a base plate (13) and a hard-steel cover plate (14) disposed in front of said base plate.
EP00124420A 1999-11-13 2000-11-08 Comminuting machine Expired - Lifetime EP1099481B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200030196T SI1099481T1 (en) 1999-11-13 2000-11-08 Comminuting machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29919968U DE29919968U1 (en) 1999-11-13 1999-11-13 Shredding machine
DE29919968U 1999-11-13

Publications (2)

Publication Number Publication Date
EP1099481A1 EP1099481A1 (en) 2001-05-16
EP1099481B1 true EP1099481B1 (en) 2003-09-10

Family

ID=8081574

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Application Number Title Priority Date Filing Date
EP00124420A Expired - Lifetime EP1099481B1 (en) 1999-11-13 2000-11-08 Comminuting machine

Country Status (7)

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US (1) US6772971B1 (en)
EP (1) EP1099481B1 (en)
AT (1) ATE249280T1 (en)
DE (2) DE29919968U1 (en)
DK (1) DK1099481T3 (en)
ES (1) ES2200773T3 (en)
SI (1) SI1099481T1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040046A1 (en) 2007-08-24 2009-02-26 Becker, Udo Rotor shredder for use as comminution machine, has cutting system frame made of two lateral walls, which are connected to each other by two end walls, where cutting shaft is rotatable supported
DE102021120203B4 (en) 2021-08-03 2023-02-09 Barradas Gmbh crushing device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814381B1 (en) * 2000-09-27 2004-06-04 M Y B Sa SHREDDER
DE102013111494A1 (en) * 2013-10-18 2015-04-23 Netzsch Pumpen & Systeme Gmbh Sealing and bearing unit for at least two parallel oriented waves and method for separating a sealing and bearing unit of at least two parallel oriented waves
DE102015209280A1 (en) * 2015-05-21 2016-11-24 Takraf Gmbh Machine frame for a roll crusher
CN108465527B (en) * 2018-04-11 2019-11-05 中山斯瑞德环保科技有限公司 Unilateral positioning method for main shaft of double-shaft garbage crusher
DE202021104146U1 (en) 2021-08-03 2021-08-10 Barradas Gmbh Shredding device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8718952D0 (en) 1987-08-11 1987-09-16 Sowden G G Shredder unit
DE4328687A1 (en) 1993-08-26 1995-03-02 Udo Adam Gmbh Maschinenfabrik Shredder operating by the rotary-shears principle
US5395057A (en) * 1994-01-03 1995-03-07 Williams Patent Crusher & Pulverizer Company Interchangeable and reversible material reducing apparatus
FR2716125B1 (en) 1994-02-11 1996-04-26 Precimeca Waste crusher with external bearings linked to the body.
FR2731165B1 (en) * 1995-03-03 1997-05-09 Mpi Creations Sarl DEVICE FOR GRINDING PRODUCTS IN A RESIDUE COLLECTION AND TRANSPORTATION INSTALLATION IN THE CONTEXT OF RESTORATION AUTHORITIES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040046A1 (en) 2007-08-24 2009-02-26 Becker, Udo Rotor shredder for use as comminution machine, has cutting system frame made of two lateral walls, which are connected to each other by two end walls, where cutting shaft is rotatable supported
DE102007040046B4 (en) * 2007-08-24 2011-03-10 Amni Maschinenbau Gmbh Rotorshredder
DE102021120203B4 (en) 2021-08-03 2023-02-09 Barradas Gmbh crushing device

Also Published As

Publication number Publication date
ES2200773T3 (en) 2004-03-16
DE50003623D1 (en) 2003-10-16
EP1099481A1 (en) 2001-05-16
SI1099481T1 (en) 2004-02-29
US6772971B1 (en) 2004-08-10
ATE249280T1 (en) 2003-09-15
DK1099481T3 (en) 2004-01-26
DE29919968U1 (en) 2000-02-03

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