EP0634218B1 - Rotor für eine Zerkleinerungsmaschine - Google Patents
Rotor für eine Zerkleinerungsmaschine Download PDFInfo
- Publication number
- EP0634218B1 EP0634218B1 EP94890102A EP94890102A EP0634218B1 EP 0634218 B1 EP0634218 B1 EP 0634218B1 EP 94890102 A EP94890102 A EP 94890102A EP 94890102 A EP94890102 A EP 94890102A EP 0634218 B1 EP0634218 B1 EP 0634218B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- bars
- cutting edges
- symmetry
- recesses
- 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
Links
Images
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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
Definitions
- the invention relates to a rotor for a comminution machine with circumferential, opening in the direction of rotation of the rotor Support shots Axially parallel blow bars according to the preamble of claim 1.
- a rotor is already known from FR-A-915476.
- blow bars are caused by the rotation Impact on the material to be shredded also essentially loaded transversely to the plane of symmetry and for support of the resulting tilting moments and impact forces stable support structures for the blow bars in the rotor be provided.
- This inevitably leads to a considerable one Construction effort, it because of the need of in Direction of impact free area of impact of the blow bars there is space and arrangement difficulties.
- the invention is therefore based on the object, these deficiencies to eliminate and a rotor of the type described to create that with a relatively simple structure due to its performance and adaptability and not least characterized by its rational operation.
- the rotor seats open in the direction of rotor rotation and the blow bars sit with approximately aligned tangentially to the rotor rotation Plane body symmetry in the rotor mounts and are protruding on the groin body, in axial normal planes symmetrical to the groin body symmetry plane extending cutting edges.
- These blow bars therefore sit largely in the direction of loading in the rotor mounts, so that no major impact-related tilting moments occur in the blow bar support and itself result in favorable support conditions.
- the wear can be reduced when using the blow bars in one position also limit to one cutting edge half, what the full fledged Use of the blow bar in the other position allowed.
- the recess or interruption the cutting with regard to the impact conditions and cutting conditions achieved cheaper cutting edge shapes, because corners or strongly curved roundings in the course of the cutting edge arise, causing the surface pressure when opening the cutting increases to the material to be shredded and so that the crushing effect can be increased.
- the Cutting recesses or interruptions can be different Forms, in particular u-shape and v-shape, are and will be expediently with a similar longitudinal profile the last body combined.
- the mounting lugs one dovetail-shaped or a mushroom-shaped widening
- the mounting lugs one dovetail-shaped or a mushroom-shaped widening
- it can wedge-shaped contact surfaces of the recordings together with wedge and Clamping drives for a corresponding mounting of the mounting bracket the blow bars, usually a longitudinal bracket attachment per blow bar is sufficient, but there are also two or more parallel ones Bracket approaches and appropriately trained rotor mounts can give.
- the Blow bars in the rotor mounts via axially parallel locking bars can be locked, whereby for inserting the locking bars the mounting lugs longitudinal grooves and form the recordings adapted to the locking bars systems. So it happens in a simple way within the recordings a positive connection via the locking bars between Bracket approach and shots, which form fit through a removal of the locking bars is lost again and the Blow bars are then freely removable. A locking or Loosening the blow bars can therefore be done in a few simple steps perform, the use and removal of the Blow bars tangential to the rotor can be done.
- blow bars with transverse mounting lugs have a widening headboard and the rotor mounts approximately radially extending, the mounting lugs form correspondingly undercut grooves, because so the blow bars can be easily inserted radially, without losing their orientation.
- Tabs or other closures can be used to fix the position use for the grooves, advantageously can but also here the mounting lugs and the receiving walls grooves or arranged along the plane of symmetry Openings for inserting a longitudinal locking bar have, so that in turn a locking by easy insertion of a locking bar is achieved.
- Such Form-locking connections are by means of a locking bar Especially useful if the blow bars are not in one piece go over the entire axial rotor length, but are divided in two or more in the longitudinal direction, wherein a continuous or also a divided locking bar Can be used.
- a particularly simple construction arises from the fact that if the rotor is inserted axially between radial cheek parts Has support plates, which at least partially Form rotor mounts for the blow bars. With relative lighter yet robust construction ensure the axial continuous support plates over the entire length of the blow bar continuous support of the blow bars and bring a blow bar holder that is largely free of bending moments with yourself. By suitable arrangements of the support plates the rotor can do so without losing strength, in its cross-sectional shape optimally to the tangential aligned blow bars can be adjusted.
- the rotor In its basic form, the rotor also forms a cylinder two opposite side areas flattened Cross section, one results for the use of two diametrically opposed blow bars particularly suitable Rotor shape because of the narrower cross-sectional areas arranged blow bars a large, subject to change Preserve field of impact, which also saves weight and material Rotor design comes.
- the Rotor 1 of a shredding machine not shown, for example an impact crusher, with a a drive shaft 2 connected hub tube 3, on the radial Cheek parts 4 are welded, between which Cheek parts 4 axial support plates 5 sit.
- These support plates 5 are partially welded to the hub tube 3 and partially extend at a distance from the hub tube between the cheek parts 4, so that there is a relative lightweight, yet stable rotor construction.
- the rotor 1 forms through corresponding recesses in the cheek parts 4 and by suitably arranged support plates 5a Recordings 6 for supporting axially parallel blow bars 7, these consisting of the actual last body 7a and one Bracket approach 8 existing blow bars 7 one to one longitudinal symmetry plane S symmetrical Have cross-section.
- the plane of symmetry S is approximately tangential aligned to the rotor rotation and runs in each case through the associated rotor receptacles 6, into which Rotationally opening recordings 6 with the blow bars 7 engage their rear mounting bracket 8.
- the rotor 1 takes two diametrically opposite one another Blow bars 7, with the cheek parts 4 and the support plates 5, 5a between these two blow bars 7 gives a flattened cross-section on both sides and one roughly elliptical shape E is created. It will be a flawless one Use of blow bars 7 ensures that without interference from the rotor cross-section with your Front and the cutting edges 9 come into effect well. In addition, they are supported by the support plates 5a all over Length should be supported, which makes it highly resilient and stable makes.
- the inner half can be protected by suitable, as groin protection used support plates 5b are covered so that even only one half wears out and it is due to the symmetry of the blow bars 7 is possible by simple Turning the blow bars increase the service life.
- blow bars 7 are inside the rotor seats 6 positively locked via axially parallel locking bars 10, including the mounting lugs 8 longitudinal grooves 11 and the receptacles 6 correspond to systems 12 form for the locking bar.
- the blow bars 7 can therefore simply from the front with its mounting bracket 8 into the Recorded 6 and then inserted by inserting the Locking bar 10 is positively locked to the rotor 1 be, conversely after pulling out the locking bar 10 the blow bars 7 are freely removable again, so that the blow bars 7 can be changed in a few simple steps can be but still secure and well supported are held in the rotor 1.
- the rotor 13 illustrated in FIGS. 3 and 4 is similar constructed like the rotor 1 according to FIGS. 1 and 2, although the blow bars 14 instead of a longitudinal one Bracket approach transverse bracket approaches 15 with have a mushroom-like head portion 15a.
- the Blow bars 14 thus grip approximately radial, undercut grooves according to the mounting lugs 16 of the rotor seats 6, which is a radial Insertion of the blow bars 14 required, but from the outset a positive connection between blow bars 14 and rotor 13 results.
- a locking rod 17 running parallel to the axis provided between the support plates 5a of the rotor seats 6 runs through and along the plane of symmetry S of the blow bars 14 grooves 18 arranged in series protrudes through the mounting lugs 15.
- the blow bars 14 are divided lengthwise into two parts 14a Locking a common locking bar 17 is provided.
- blow bars 20 are a rotor 19 provided with three blow bars 20, which blow bars 20 cross-section dovetail-shaped mounting lugs 21 have and in correspondingly undercut receiving grooves 22 engage the rotor seats 6.
- Via a support part 23 and an only indicated wedge drive 24 are here the blow bars 20 with the support-side support plates 5a wedged and clamped.
- the rotor 19 forms one Cylinder with between the respective blow bars 20 flattened sides, so that here again the front the blow bars 20 can act freely.
- Blow bars are included in the rotors according to the invention symmetrical cross-section used, being axially normal Cutting are provided. 6, 7, 8 and 9, can blow bars of various shapes and training can be used to adapt the Blow bars and thus the crushing effect on the All kinds of shredding tasks allowed.
- a blow bar 25 is provided, the Last body 25a has an approximately c-shaped cross section and axially extending between the axially normal cutting edges 26 Cutting 27 has.
- the axially normal cutting edges 26 are in the area of the plane of symmetry S with a u-shaped or v-shaped one Recess 28 equipped and can at the outer ends form a sloping section 29. This results in a particularly high splitting effect and improved service conditions, whereby when using the blow bars 25 the cutting edge wear is limited to half remains and by a flipped insertion of the blow bars double use is possible.
- a blow bar 30 is indicated, in which on the last body 30a and on the axially normal cutting edges 31 chisel-like tips 32 are molded to a special To achieve impact and splitting effects.
- the rotor according to the invention has a simple structure due to its high performance and great adaptability out so that it can shred the most diverse Materials and is optimal in terms of its crushing effect on the respective Lets adjust requirements.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Description
- Fig. 1 und 2
- einen erfindungsgemäßen Rotor im Querschnitt bzw. in Draufsicht,
- Fig. 3 und 4
- ein anderes Ausführungsbeispiel eines erfindungsgemäßeRotors ebenfalls im Querschnitt und in Draufsicht,
- Fig. 5
- ein weiteres Ausführungsbeispiel eines erfindungsgemäßen Rotors im Querschnitt sowie die
- Fig. 6,7, 8 und 9
- verschiedene Ausführungsmöglichkeiten von Schlagleisten für erfindungsgemäße Rotoren jeweils im Querschnitt.
Claims (9)
- Rotor für eine Zerkleinerungsmaschine mit umfangseitigen, sich in Rotordrehrichtung öffnenden Aufnahmen (6) zur Abstützung achsparalleler Schlagleisten (7), die einen Leistenkörper (7a) mit etwa tangential zur Rotordrehbewegung ausgerichteter Symmetrieebene (S) besitzen und mittels eines Halterungsansatzes (8) in die Rotoraufnahmen (6) eingreifen, dadurch gekennzeichnet, daß am Leistenkörper (7a, 25a, 30a, 33a) vorstehende, in Achsnormalebenen sich symmetrisch zur Leistenkörpersymmetrieebene (S) erstreckende Schneiden (9, 26, 31, 35) angeformt sind, die im Bereich der Symmetrieebene (S) eine Ausnehmung (28) aufweisen oder unterbrochen sind.
- Rotor nach Anspruch 1, dadurch gekennzeichnet, daß zwischen den achsnormalen Schneiden (26, 35) axial verlaufende Schneiden (27, 36) am Leistenkörper (25a, 33a) vorgesehen sind.
- Rotor nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schneiden (31) und/oder die Leistenkörper (30a) mit meißelartigen Schlagspitzen (32) bestückt sind.
- Rotor nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die achsnormalen Schneiden (26) an ihren äußeren Enden einen zum Leistenkörper (25a) hin abfallenden Verlauf (29) aufweisen.
- Rotor nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Schlagleisten (7) in den Rotoraufnahmen (6) über achsparallele Riegelstangen (10) verriegelbar sind, wobei zum Einsetzen der Riegelstangen (10) die Halterungsansätze (8) längsverlaufende Nuten (11) und die Aufnahmen (6) an die Riegelstangen (10) angepaßte Anlagen (12) bilden.
- Rotor nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Schlagleisten (14) querverlaufende Halterungsansätze (15) mit einem sich verbreiternden Kopfteil (15a) aufweisen und die Rotoraufnahmen (6) etwa radial verlaufende, den Halterungsansätzen (15) entsprechend hinterschnittene Aufnahmenuten (16) bilden.
- Rotor nach Anspruch 6, dadurch gekennzeichnet, daß die Halterungsansätze (15) und die Aufnahmewandungen entlang der Symmetrieebene (S) angeordnete Nuten (18) oder Öffnungen zum Einschieben einer längsverlaufenden Riegelstange (17) aufweisen.
- Rotor nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Rotoraufnahmen (6) zumindest teilweise aus zwischen radialen Wangenteilen (4) axial eingesetzten Stützplatten (5a) gebildet sind.
- Rotor nach Anspruch 8, dadurch gekennzeichnet, daß die Rotorgrundform einen Zylinder mit an zwei einander gegenüberliegenden Seitenbereichen abgeflachtem Querschnitt (E) bildet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1366/93 | 1993-07-12 | ||
AT0136693A AT402371B (de) | 1993-07-12 | 1993-07-12 | Rotor für eine zerkleinerungsmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0634218A1 EP0634218A1 (de) | 1995-01-18 |
EP0634218B1 true EP0634218B1 (de) | 1998-10-28 |
Family
ID=3512329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94890102A Expired - Lifetime EP0634218B1 (de) | 1993-07-12 | 1994-06-15 | Rotor für eine Zerkleinerungsmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US5497950A (de) |
EP (1) | EP0634218B1 (de) |
AT (1) | AT402371B (de) |
AU (1) | AU6605594A (de) |
DE (1) | DE59407167D1 (de) |
ZA (1) | ZA945037B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08158981A (ja) * | 1994-12-02 | 1996-06-18 | Nippondenso Co Ltd | 燃料噴射装置 |
US6622951B1 (en) | 1999-10-13 | 2003-09-23 | Mobark, Inc. | Hammer assembly for wood reducing hammer mills and other comminuting machines and methods of making and using it |
CA2406049A1 (en) | 2000-04-13 | 2001-10-25 | Gregg Macy | Micronizing milling machine |
US7055770B2 (en) * | 2000-05-08 | 2006-06-06 | Morbark, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US6880774B2 (en) | 2000-05-08 | 2005-04-19 | Morbark, Inc. | Reducing machine rotor assembly and methods of constructing and operating the same |
US7500630B2 (en) * | 2000-10-30 | 2009-03-10 | Badger Shredding Products, Inc. | Reversible blade for a comminution machine |
AU2002246656A1 (en) | 2000-10-30 | 2002-08-06 | Badger Bite Co. | Comminution blade |
US6945025B2 (en) * | 2003-07-10 | 2005-09-20 | Nokamic, Inc. | Shredder head with protective elements, and mobile sylvicultural apparatus including the same |
US8708263B2 (en) | 2004-08-11 | 2014-04-29 | Roger T. Young | Hammer |
US7438097B2 (en) * | 2005-03-03 | 2008-10-21 | Morbark, Inc. | Reducing machine rotor assembly and inserts therefor and method of constructing the inserts |
US20140000881A1 (en) * | 2010-10-19 | 2014-01-02 | Gary Farnsworth Player | Process for extracting dissolved methane from hydropressured aquifers |
CA2835857C (en) | 2011-05-12 | 2021-02-23 | Genesis Iii, Inc. | Hammer |
US20230173502A1 (en) * | 2020-04-30 | 2023-06-08 | Vectis Pty Ltd as trustee for JJB Trust | A grinding mill rotor |
CA3133877A1 (en) | 2020-10-09 | 2022-04-09 | Genesis Iii, Inc. | Hammer |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1189471A (en) * | 1914-01-12 | 1916-07-04 | John D Ochterbeck | Crushing-machine. |
US1889129A (en) * | 1930-05-15 | 1932-11-29 | Smidth & Co As F L | Hammer mill |
GB475430A (en) * | 1936-06-02 | 1937-11-19 | George Henry Pattinson | Improvements in or relating to hammers for impact breaking or crushing machines |
DE726564C (de) * | 1941-03-20 | 1942-10-16 | Duesseldorfer Eisenhuettengese | Schlaeger fuer Muehlen |
US2378475A (en) * | 1943-04-02 | 1945-06-19 | Nordberg Manufacturing Co | Liner for impact members |
FR915476A (fr) * | 1945-10-04 | 1946-11-07 | Perfectionnements aux broyeurs centrifuges | |
US2635817A (en) * | 1950-08-21 | 1953-04-21 | Leo H Long | Impact breaker bar mechanism |
DE1008556B (de) * | 1953-10-15 | 1957-05-16 | Esch Werke K G Maschinenfabrik | Rotor fuer Prallmuehlen |
DE956188C (de) * | 1954-04-01 | 1957-01-17 | Kloeckner Humboldt Deutz Ag | Rotor fuer Prallbrecher mit auswechselbaren Schlagleisten |
FR2119162A5 (de) * | 1970-12-22 | 1972-08-04 | Sauvagnargues Claude | |
DE2148752C3 (de) * | 1971-09-30 | 1979-11-22 | Hazemag Dr. E. Andreas Gmbh & Co, 4400 Muenster | Einrichtung zum Festlegen von Schlagleisten in Prallmühlenrotoren |
FR2440779A2 (fr) * | 1978-11-10 | 1980-06-06 | Fives Cail Babcock | Concasseur a percussion |
GB2053726B (en) * | 1979-06-12 | 1983-04-20 | Sibir Metal Inst Im Sergo Ordz | Method and apparatus for crushing agglomerated mass |
GB2110113A (en) * | 1981-11-12 | 1983-06-15 | Dresser Europe Sa | Impeller bar for hammer type mill |
GB2110954B (en) * | 1981-12-05 | 1984-10-10 | Dresser Europe Sa | Tool-holding mounting ring for crushing machine rotor |
DE3204629A1 (de) * | 1982-02-10 | 1983-08-18 | Böhringer GmbH, 7101 Oedheim | Schlagleiste fuer prallmuehlen und mit solchen schlagleisten versehene prallmuehle |
US4717083A (en) * | 1984-01-27 | 1988-01-05 | Quast Roger H | Hammer assembly for a rotary material crusher |
GB8408068D0 (en) * | 1984-03-29 | 1984-05-10 | Ansec Design & Eng Ltd | Securing cutting/breaker element to rotatable member |
DE3525442C2 (de) * | 1985-07-17 | 1994-10-20 | Hermann Schroedl | Schlagleiste für einen Prallbrecherrotor |
AT392740B (de) * | 1985-12-03 | 1991-05-27 | Schroedl Hermann | Schlagleiste fuer prallbrecher od. dgl. zerkleinerungsmaschinen |
US4826090A (en) * | 1987-11-09 | 1989-05-02 | Orphall Axel W | Hammer assembly for a rotary material crusher |
DE3742395C1 (de) * | 1987-12-15 | 1989-06-15 | Deutscher Sbm Vertrieb Franz W | Rotor fuer eine Prallmuehle |
AT397773B (de) * | 1992-07-28 | 1994-06-27 | Schroedl Hermann | Schlagleiste für brecherrotoren od. dgl. |
US5320292A (en) * | 1992-11-06 | 1994-06-14 | Smith Roger G | Mounting for replaceable hammers in impact crusher |
-
1993
- 1993-07-12 AT AT0136693A patent/AT402371B/de not_active IP Right Cessation
-
1994
- 1994-06-15 EP EP94890102A patent/EP0634218B1/de not_active Expired - Lifetime
- 1994-06-15 DE DE59407167T patent/DE59407167D1/de not_active Expired - Fee Related
- 1994-06-29 AU AU66055/94A patent/AU6605594A/en not_active Abandoned
- 1994-07-11 US US08/273,233 patent/US5497950A/en not_active Expired - Fee Related
- 1994-07-12 ZA ZA945037A patent/ZA945037B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA945037B (en) | 1995-02-23 |
EP0634218A1 (de) | 1995-01-18 |
DE59407167D1 (de) | 1998-12-03 |
US5497950A (en) | 1996-03-12 |
ATA136693A (de) | 1996-09-15 |
AU6605594A (en) | 1995-02-16 |
AT402371B (de) | 1997-04-25 |
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