EP3095518B1 - Machine frame for a roll crusher - Google Patents

Machine frame for a roll crusher Download PDF

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Publication number
EP3095518B1
EP3095518B1 EP16169518.4A EP16169518A EP3095518B1 EP 3095518 B1 EP3095518 B1 EP 3095518B1 EP 16169518 A EP16169518 A EP 16169518A EP 3095518 B1 EP3095518 B1 EP 3095518B1
Authority
EP
European Patent Office
Prior art keywords
end wall
machine frame
roll crusher
wall upper
upper parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16169518.4A
Other languages
German (de)
French (fr)
Other versions
EP3095518A1 (en
Inventor
Burkhard Petack
Marko Schmidt
Karsten Ebenhan
Patrick Neufeldt
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.)
Takraf GmbH
Original Assignee
MAN Takraf Fordertechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MAN Takraf Fordertechnik GmbH filed Critical MAN Takraf Fordertechnik GmbH
Priority to PL16169518T priority Critical patent/PL3095518T3/en
Publication of EP3095518A1 publication Critical patent/EP3095518A1/en
Application granted granted Critical
Publication of EP3095518B1 publication Critical patent/EP3095518B1/en
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Anticipated expiration legal-status Critical

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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
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • 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
    • B02C4/28—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/30—Shape or construction of rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
    • B30B3/04—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones

Definitions

  • the invention relates to a machine frame for a roll crusher and the roll crusher itself.
  • Roll crushers are used, for example, in mining.
  • the material to be reduced is placed in the gap between two counter-rotating crushing rollers and comminuted by the crushing tools on the rollers.
  • the crushing rollers are mounted in a machine frame.
  • the very high refractive powers arising during operation are absorbed by this machine frame.
  • the crushing rollers should be as simple as possible to remove from the machine frame.
  • Object of the present invention is to propose a frame for a roll crusher, which is simple in construction and allows easy removal of the rolls.
  • the machine frame according to the invention for a roll crusher has two side walls and two end walls, wherein the end walls receive the bearings of the rollers.
  • the end walls are horizontal in the area of the bearing of the rollers and vertically divided between the bearings of the upper part.
  • the removal of the respective end wall upper part is sufficient to remove a roller.
  • the adjacent end wall upper parts do not touch.
  • such a tilting of the end wall shell parts with each other or with the side walls during removal is prevented.
  • not touching means that there is a distance which allows a simple removal of the end wall upper part.
  • the parts of the end wall shell should have no contact to rule out the likelihood of tilting.
  • a distance between 0.1cm and 5cm should prevent tilting during removal.
  • the gap which results from the distance between the end wall upper parts sealed, so that advantageously no material and dust can escape.
  • the end wall upper parts of adjacent bearings are connected in the installed state by at least one connecting element.
  • a connecting element lies in a depression, so that the upper sides of the end wall upper parts with connecting element form a straight surface.
  • two connecting elements can be arranged above and below the cross member of the end wall upper parts to be connected and connected by screws.
  • Such a compound is particularly stable.
  • the connecting element is a planar structure which rests on the end wall upper parts to be connected and is screwed thereto.
  • the frame is mechanically stabilized in its effect.
  • the connecting element can be designed very differently. So it can also go over the entire width of the front wall. Also possible is that Connecting element is additionally connected to the side walls. For this purpose, it can also be designed as a carrier.
  • end wall upper parts are connected in the installed state with the adjacent side wall and end wall bases.
  • These compounds are particularly preferably threaded connections, as are the connections between the connection element and the end wall upper parts.
  • screw are safe and inexpensive.
  • FIG. 1 shown closed frame has drawn to improve the presentation no crushing rollers.
  • the frame has two opposite side walls 1 and two opposite end walls 2.
  • the end walls 2 have round seats 21 for the bearings of the crushing rollers.
  • the end walls 2 have a horizontal pitch 23.
  • both upper end walls 2 also have a vertical pitch 24.
  • a front end wall portion 20 and end wall tops 25 are formed, which are individually removable for each receptacle 21.
  • the distance region 26 characterized in that the end wall upper parts 25 do not touch in this area but have a distance of about 1 cm.
  • Centered on the end walls 2 connecting elements 3 are arranged, which are formed as a flat steel plate. With a plurality of fittings 31, these are connected to two end wall upper parts 25.
  • FIG. 2 shows the section of a machine frame according to the invention with a removed end wall upper part 25.
  • the removal of the end wall upper parts 25 can advantageously be done without tilting.
  • Side wall 2 bulkhead 20 Cowl lower 21 Recording storage 23 horizontal division 24 vertical division 25 Cowl upper 26 distance range 27 Screw connection with front wall base 28 Screw connection with side wall 1 3 connecting element 31 Screw connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

Die Erfindung bezieht sich auf einen Maschinenrahmen für einen Walzenbrecher und den Walzenbrecher selbst.The invention relates to a machine frame for a roll crusher and the roll crusher itself.

Walzenbrecher kommen beispielsweise im Bergbau zum Einsatz. Das zu verkleinernde Material wird in den Spalt zwischen zwei gegenläufig rotierenden Brechwalzen aufgegeben und durch die Brechwerkzeuge auf den Walzen zerkleinert. Die Brechwalzen sind in einem Maschinenrahmen gelagert. Die während des Betriebes entstehenden sehr hohen Brechkräfte werden durch diesen Maschinenrahmen aufgenommen. Um Wartungsarbeiten an den Brechwalzen zu ermöglichen, sollten die Brechwalzen auf möglichst einfach Art und Weise aus dem Maschinenrahmen entfernbar sein.Roll crushers are used, for example, in mining. The material to be reduced is placed in the gap between two counter-rotating crushing rollers and comminuted by the crushing tools on the rollers. The crushing rollers are mounted in a machine frame. The very high refractive powers arising during operation are absorbed by this machine frame. In order to enable maintenance work on the crushing rollers, the crushing rollers should be as simple as possible to remove from the machine frame.

Bekannt ist, im Bereich der Lagerungen der Walzen die jeweilige Stirnwand des Maschinenrahmens horizontal zu unterteilen, wobei der obere Teil - das Stirnwandoberteil - entnehmbar ist und so die Lagerungen der Walzen frei gibt um diese mitsamt der Lagerungen einfach entnehmen zu können. Eine Zerkleinerungsmaschine mit solchem Rahmen ist aus DE 29919968 U1 bekannt. Nachteilig ist hier, dass bei der Entnahme das Stirnwandoberteil sich häufig verkantet und so nur sehr schwer entfernbar ist. Eine Möglichkeit ist, die Seitenwände zu lösen und dadurch mehr Spielraum für die zu entnehmende Stirnwand zu schaffen. Nachteilig müssen beim Zusammenbau dann jedoch eine Vielzahl von Kontaktflächen gereinigt werden, damit der Rahmen spielfrei verbunden werden kann. Des Weiteren ist es nachteilig, dass bei bestehender Notwendigkeit nur eine Walze zu entnehmen, Elemente der anderen Walze grundsätzlich ebenfalls demontiert werden müssen.It is known to subdivide the respective end wall of the machine frame horizontally in the area of the bearings of the rollers, wherein the upper part - the end wall top - is removable and so the bearings of the rollers are free to remove them together with the bearings easy. A crusher with such a frame is out DE 29919968 U1 known. The disadvantage here is that when removing the end wall upper part often tilted and so is very difficult to remove. One way is to solve the side walls and thereby create more scope for the end wall to be removed. A disadvantage, however, then a variety of contact surfaces must be cleaned during assembly, so that the frame can be connected without play. Furthermore, it is disadvantageous that, if there is a need to remove only one roller, elements of the other roller basically also have to be disassembled.

In der WO 2010/032037 A1 wird vorgeschlagen, den Rahmen insgesamt zwischen den Brechwalzen vertikal zu teilen. Nachteilig muss hier zur Entnahme der Walze eine Rahmenhälfte soweit bewegt werden, dass die Walze entnehmbar ist.In the WO 2010/032037 A1 It is proposed to vertically divide the frame as a whole between the crushing rollers. The disadvantage here must be moved to remove the roller frame half so far that the roller is removable.

Aufgabe der vorliegenden Erfindung ist, einen Rahmen für einen Walzenbrecher vorzuschlagen, der einfach aufgebaut ist und eine problemlose Entnahme der Walzen ermöglicht.Object of the present invention is to propose a frame for a roll crusher, which is simple in construction and allows easy removal of the rolls.

Erfindungsgemäß wird diese Aufgabe gelöst durch einen Rahmen für einen Walzenbrecher nach Anspruch 1 und durch einen Walzenbrecher nach Anspruch 8. Bevorzugte Weiterbildungen der Erfindung sind Gegenstand von Unteransprüchen. Der erfindungsgemäße Maschinenrahmen für einen Walzenbrecher hat zwei Seitenwände und zwei Stirnwände, wobei die Stirnwände die Lagerung der Walzen aufnehmen. Die Stirnwände sind im Bereich der Lagerung der Walzen horizontal und zwischen den Lagerungen des oberen Teiles vertikal geteilt. Vorteilhaft ist so zur Entnahme einer Walze das Entfernen des jeweiligen Stirnwandoberteils ausreichend.According to the invention this object is achieved by a frame for a roll crusher according to claim 1 and by a roll crusher according to claim 8. Preferred developments of the invention are the subject of dependent claims. The machine frame according to the invention for a roll crusher has two side walls and two end walls, wherein the end walls receive the bearings of the rollers. The end walls are horizontal in the area of the bearing of the rollers and vertically divided between the bearings of the upper part. Advantageously, the removal of the respective end wall upper part is sufficient to remove a roller.

Bevorzugt berühren sich die benachbarten Stirnwandoberteile nicht. Vorteilhaft wird so ein Verkanten der Stirnwandoberteile untereinander oder mit den Seitenwänden während der Entnahme verhindert.Preferably, the adjacent end wall upper parts do not touch. Advantageously, such a tilting of the end wall shell parts with each other or with the side walls during removal is prevented.

Nicht berühren bedeutet im Sinne dieser Patentanmeldung, dass ein Abstand vorhanden ist, der eine einfache Entnahme des Stirnwandoberteils ermöglicht. Vorzugsweise sollten die Teile des Stirnwandoberteils keinen Kontakt haben um die Wahrscheinlichkeit einer Verkantung auszuschließen. Ein Abstand zwischen 0,1cm und 5cm sollte ein Verkanten bei der Entnahme verhindern.For the purposes of this patent application, "not touching" means that there is a distance which allows a simple removal of the end wall upper part. Preferably, the parts of the end wall shell should have no contact to rule out the likelihood of tilting. A distance between 0.1cm and 5cm should prevent tilting during removal.

Weiterhin bevorzugt ist der Spalt, der aus dem Abstand zwischen den Stirnwandoberteilen resultiert abgedichtet, so dass vorteilhaft kein Material und Staub austreten kann.Further preferably, the gap, which results from the distance between the end wall upper parts sealed, so that advantageously no material and dust can escape.

Bevorzugt werden die Stirnwandoberteile benachbarter Lagerungen (also benachbarte Stirnwandoberteile) im eingebauten Zustand durch mindestens ein Verbindungselement verbunden. Besonders bevorzugt liegt ein Verbindungselement in einer Vertiefung, so dass die Oberseiten der Stirnwandoberteile mit Verbindungselement eine gerade Fläche bilden.Preferably, the end wall upper parts of adjacent bearings (ie adjacent end wall upper parts) are connected in the installed state by at least one connecting element. Particularly preferably, a connecting element lies in a depression, so that the upper sides of the end wall upper parts with connecting element form a straight surface.

Bevorzugt können zwei Verbindungselemente über und unter dem zu verbindenden Querträger der Stirnwandoberteile angeordnet und über Schrauben verbunden sein. Eine derartige Verbindung ist besonders stabil.Preferably, two connecting elements can be arranged above and below the cross member of the end wall upper parts to be connected and connected by screws. Such a compound is particularly stable.

In einer einfachen, bevorzugten Ausgestaltung ist das Verbindungselement ein ebenes Gebilde, das auf den zu verbindenden Stirnwandoberteilen aufliegt und mit diesen verschraubt ist. Vorteilhaft wird so der Rahmen in seiner Wirkung mechanisch stabilisiert.In a simple, preferred embodiment, the connecting element is a planar structure which rests on the end wall upper parts to be connected and is screwed thereto. Advantageously, the frame is mechanically stabilized in its effect.

Das Verbindungselement kann sehr verschiedenartig ausgebildet sein. So kann es auch über die gesamte Breite der Stirnwand gehen. Auch möglich ist, dass das Verbindungselement zusätzlich mit den Seitenwänden verbunden ist. Hierzu kann es auch als Träger ausgebildet sein.The connecting element can be designed very differently. So it can also go over the entire width of the front wall. Also possible is that Connecting element is additionally connected to the side walls. For this purpose, it can also be designed as a carrier.

Weiterhin bevorzugt sind die Stirnwandoberteile im eingebauten Zustand mit der angrenzenden Seitenwand und Stirnwandunterteilen verbunden. Diese Verbindungen sind besonders bevorzugt Schraubverbindungen, ebenso wie die Verbindungen zwischen Verbindungselement und den Stirnwandoberteilen. Vorteilhaft sind Schraubverbindungen sicher und kostengünstig.Further preferably, the end wall upper parts are connected in the installed state with the adjacent side wall and end wall bases. These compounds are particularly preferably threaded connections, as are the connections between the connection element and the end wall upper parts. Advantageously, screw are safe and inexpensive.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand von Figuren erläutert. Dabei zeigen:

Figur 1
einen erfindungsgemäßen Maschinenrahmen für eine Walzenbrecher im geschlossenen Zustand, und
Figur 2
den Maschinenrahmen im geöffneten Zustand.
An embodiment of the invention will be explained below with reference to figures. Showing:
FIG. 1
a machine frame according to the invention for a roll crusher in the closed state, and
FIG. 2
the machine frame in the open state.

Der in Figur 1 gezeigte geschlossene Rahmen hat zur Verbesserung der Darstellung keine Brechwalzen eingezeichnet. Der Rahmen hat zwei gegenüberliegende Seitenwände 1 und zwei gegenüberliegende Stirnwände 2. Die Stirnwände 2 haben runde Aufnahmen 21 für die Lagerungen der Brechwalzen. Weitestgehend in der Mitte der Aufnahmen 21 haben die Stirnwände 2 eine horizontale Teilung 23. Zwischen den Aufnahmen 21 haben beide obere Stirnwände 2 zudem eine vertikale Teilung 24. So werden ein Stirnwandunterteil 20 und Stirnwandoberteile 25 ausgebildet, die für jede Aufnahme 21 einzeln entnehmbar sind. Im Bereich der vertikalen Teilung 24 befindet sich auch der Abstandsbereich 26, gekennzeichnet dadurch, dass sich die Stirnwandoberteile 25 in diesem Bereich nicht berühren sondern einen Abstand von ca. 1 cm haben. Mittig auf den Stirnwänden 2 sind Verbindungselemente 3 angeordnet, die als ebene Stahlplatte ausgebildet sind. Mit einer Vielzahl von Verschraubungen 31 sind diese mit beiden Stirnwandoberteilen 25 verbunden.The in FIG. 1 shown closed frame has drawn to improve the presentation no crushing rollers. The frame has two opposite side walls 1 and two opposite end walls 2. The end walls 2 have round seats 21 for the bearings of the crushing rollers. As far as possible in the middle of the receptacles 21, the end walls 2 have a horizontal pitch 23. Between the receptacles 21 both upper end walls 2 also have a vertical pitch 24. Thus, a front end wall portion 20 and end wall tops 25 are formed, which are individually removable for each receptacle 21. In the region of the vertical division 24 is also the distance region 26, characterized in that the end wall upper parts 25 do not touch in this area but have a distance of about 1 cm. Centered on the end walls 2 connecting elements 3 are arranged, which are formed as a flat steel plate. With a plurality of fittings 31, these are connected to two end wall upper parts 25.

Figur 2 zeigt den Ausschnitt eines erfindungsgemäßen Maschinenrahmens mit einem entnommenen Stirnwandoberteil 25. Es sind die Löcher für die Verschraubung 28 des Stirnwandoberteils 25 mit der Seitenwand 1 und für die Verschraubung 27 des Stirnwandoberteils 25 mit dem Stirnwandunterteil 20 erkennbar. Die Entnahme der Stirnwandoberteile 25 kann vorteilhaft ohne Verkanten erfolgen. Bezugszeichenliste 1 Seitenwand 2 Stirnwand 20 Stirnwandunterteil 21 Aufnahme Lagerung 23 horizontale Teilung 24 vertikale Teilung 25 Stirnwandoberteil 26 Abstandsbereich 27 Verschraubung mit Stirnwandunterteil 28 Verschraubung mit Seitenwand 1 3 Verbindungselement 31 Verschraubungen Verbindungselement FIG. 2 shows the section of a machine frame according to the invention with a removed end wall upper part 25. There are the holes for the screw 28 of the end wall upper part 25 with the side wall 1 and for the screw 27 of the end wall upper part 25 with the end wall part 20 recognizable. The removal of the end wall upper parts 25 can advantageously be done without tilting. <B> LIST OF REFERENCES </ b> 1 Side wall 2 bulkhead 20 Cowl lower 21 Recording storage 23 horizontal division 24 vertical division 25 Cowl upper 26 distance range 27 Screw connection with front wall base 28 Screw connection with side wall 1 3 connecting element 31 Screw connections

Claims (8)

  1. Machine frame for a roll crusher comprising two side walls (1) and two end walls (2) taking up the bearing (21) of the rollers, wherein the end walls are divided horizontally (23) in the area of the bearing of the rolls and vertically (24) between the bearings, so that end wall upper parts (25) are releasable in the area of the bearing of the rolls.
  2. Machine frame for a roll crusher according to claim 1, wherein the end wall upper parts (25) of adjacent bearings do not touch each other when installed.
  3. Machine frame for a roll crusher according to claim 1, wherein the vertical separation (24) between the two end wall upper parts (25) is sealed to the outside.
  4. Machine frame for a roll crusher according to any of the preceding claims, wherein the end wall upper parts (25) of adjacent bearings in the installed state are connected by at least one connecting element (3).
  5. Machine frame for a roll crusher according to claim 4, wherein the connecting element (3) is a planar structure, which rests on the end wall upper parts (25) to be connected and is screwed to them.
  6. Machine frame for a roll crusher according to any of the preceding claims, wherein the end wall upper parts (25) are connected in the installed state to the adjacent side wall (1) and end wall lower parts (20).
  7. Machine frame for a roll crusher according to claim 3 or 6, wherein the connection between end wall lower part (20) and end wall upper part (25) and / or the connection between end wall upper part (25) and side wall (1) is a screw connection.
  8. Roll crusher comprising a machine frame according to one of the preceding claims.
EP16169518.4A 2015-05-21 2016-05-13 Machine frame for a roll crusher Active EP3095518B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16169518T PL3095518T3 (en) 2015-05-21 2016-05-13 Machine frame for a roll crusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015209280.1A DE102015209280A1 (en) 2015-05-21 2015-05-21 Machine frame for a roll crusher

Publications (2)

Publication Number Publication Date
EP3095518A1 EP3095518A1 (en) 2016-11-23
EP3095518B1 true EP3095518B1 (en) 2017-09-13

Family

ID=55969007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16169518.4A Active EP3095518B1 (en) 2015-05-21 2016-05-13 Machine frame for a roll crusher

Country Status (10)

Country Link
US (1) US10307764B2 (en)
EP (1) EP3095518B1 (en)
AU (1) AU2016203280B2 (en)
CA (1) CA2930798C (en)
CL (1) CL2016001191A1 (en)
DE (1) DE102015209280A1 (en)
EA (1) EA029432B1 (en)
MX (1) MX369695B (en)
PE (1) PE20170173A1 (en)
PL (1) PL3095518T3 (en)

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DE102017006099B3 (en) 2017-06-28 2018-10-31 Doppstadt Familienholding Gmbh comminution device
US10933422B2 (en) * 2018-06-19 2021-03-02 Ecomill, Llc Roller grain mill

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Also Published As

Publication number Publication date
DE102015209280A1 (en) 2016-11-24
AU2016203280A1 (en) 2016-12-08
AU2016203280B2 (en) 2017-05-18
MX369695B (en) 2019-11-19
CA2930798C (en) 2018-05-08
EA201600329A2 (en) 2016-11-30
CA2930798A1 (en) 2016-11-21
CL2016001191A1 (en) 2017-02-24
EA201600329A3 (en) 2017-01-30
EP3095518A1 (en) 2016-11-23
US10307764B2 (en) 2019-06-04
PE20170173A1 (en) 2017-03-05
US20160339441A1 (en) 2016-11-24
PL3095518T3 (en) 2018-04-30
MX2016006539A (en) 2016-12-16
EA029432B1 (en) 2018-03-30

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