EP0444432B2 - Rotor für Prall- oder Hammermühlen - Google Patents
Rotor für Prall- oder Hammermühlen Download PDFInfo
- Publication number
- EP0444432B2 EP0444432B2 EP91101421A EP91101421A EP0444432B2 EP 0444432 B2 EP0444432 B2 EP 0444432B2 EP 91101421 A EP91101421 A EP 91101421A EP 91101421 A EP91101421 A EP 91101421A EP 0444432 B2 EP0444432 B2 EP 0444432B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- hubs
- disks
- impact
- rotor disks
- 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
- 238000003466 welding Methods 0.000 claims abstract description 13
- 229910001208 Crucible steel Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- B02C13/30—Driving mechanisms
-
- 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
Definitions
- the invention relates to a rotor for impact or hammer mills with a shaft and a rotor body supported thereon, the rotor body being composed of several rotor disks welded together from cast steel, the widened, have contacting hubs.
- a rotor for hammer mills which consists of disks is built on which four warts are placed over the circumference, adjacent warts are welded together so that four continuous, ledges connecting the panes result.
- This well-known rotor, the only by four axially extending warts made of welded together Last is held together does not have sufficient strength.
- a rotor for hammer mills which consists of individual disc sectors welded directly to the rotor shaft. Except that the welding of individual disc sectors with the rotor shaft is cumbersome, this type of attachment of the disc sectors there are strength problems on the rotor shaft.
- Rotors for hammer breakers are known from DE-C 33 27 204 and DE-A 26 05 751, in which the individual disks are each rotatably attached to the rotor shaft are. This individual attachment of the disks on the rotor shaft is complex and leads to a risk of breakage if, for example, the individual panes a tongue and groove connection are attached.
- the object of the invention is to provide a stable rotor body of the type specified To create kind of that in a simple way and in a simple way can be attached to the rotor shaft in such a way that there is no damage.
- the inventive design of the rotor results in a stable rotor body, which is not to be guided on the shaft over its entire length needs, but is only supported at both ends on the shaft.
- For the bearing of the rotor body on the shaft is therefore only a more precise turning of the rotor disks only partially necessary on the two end disks.
- the rotor disks have a widened outer ring compared to the hub on both sides around the Half of what is narrower than the distance between adjacent outer wreaths for passing one Welding gun to the hubs is required.
- Rotor is therefore in this preferred embodiment exclusively from the rotor disks manufactured in cast steel and is therefore very cheap to buy Manufacturing.
- the parts that the form widened outer rim of the rotor disks welding the hubs to create planners Machining contact surfaces for the blow bars are only simple components are and also the production of the holes for the Dowel bolts can be made very precisely, superfluous the very complex processing of a finished Rotors across the entire width.
- the rotors shown each consist of several in Cast steel rotor disks 1 manufactured with a middle cylindrical opening 2 and a surrounding this wider hub 3 are provided. On the outside They have edge depending on the type of intended on them Crushing tools (hammer 4, blow bars 5) wider bearing bodies 6 and 7. These are in the cases Fig. 1-8 so designed that between the bearing bodies of adjacent rotor disks 1 Gap 8 remains.
- the hubs 3 of adjacent rotor disks 1 are on their outer edges by ring welds 9 firmly together connected. To produce these ring welds are against each other at the hubs 3 by dowel pins 10 centered and braced rotor disks slowly rotated, being fixed and by column 8 welding machines reaching to the hubs create the weld.
- the welds After the welds have been made, they are used for final assembly in the hammer mill rotor shown in FIGS. 1 and 2 the hammers 4 held between the discs and their axes 11 are in the bearing body 6 of the end of the rotor in the continuous Receiving holes inserted, while in the 3 and 4 shown impact mill rotor the Blow bars 5 in the edge cutouts 12 from the outside used and by wedges 13 and pressure elements 14 pressed against the bearing body 7 serving for support become.
- 5 to 8 illustrate that one can use rotor disks different hub width rotors different Can produce width so that with less Warehousing very narrowly differentiated offers possible are.
- FIGS. 9 and 10 show, only two can Rotor disks 1 may be provided, optionally under Intermediate layer of a hub-like ring 3 ', in Modification of the invention on the disc edges 1 'of Rotor disks 1 axially parallel support beam 15 welded are.
- the support beams are only after previous welding of the rotor-hub body attached so that even with this for rotors smaller impact mills provided version All-round welding, even automated, is possible.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
- Fig. 1 u. 2
- einen Rotor einer Hammermühle gemäß der Erfindung im Quer- und Längsschnitt,
- Fig. 2 u. 4
- einen Rotor einer Prallmühle gem. der Erfindung im Quer- und Längsschnitt,
- Fig. 5 bis 8
- verschieden breite Prallmühlenrotoren in schematischer Darstellung in kleinerem Maßstab und
- Fig. 9 bis 10
- einen Rotor für eine kleinere Prallmühle gemäß der Erfindung im Quer- und Längsschnitt.
Claims (6)
- Rotor für Prall- oder Hammermühlen mit einer Welle und einem darauf gelagerten Rotorkörper, wobei der Rotorkörper aus mehreren miteinander verschweißten Rotorscheiben (1) aus Stahlguß besteht, die verbreiterte, einander berührende Naben (3) aufweisen,
dadurch gekennzeichnet,daß die Rotorscheiben (1) durch Ringschweißnähte (9) an den Außenkanten ihrer Naben (3) miteinander verschweißt sind, so daß sich ein stabiler Rotorkörper ergibt, unddaß der Rotorkörper nur an seinen beiden Enden auf der Rotorwelle gelagert ist. - Rotor nach Anspruch 1, dadurch gekennzeichnet, daß außerhalb der Naben (3) nur Rotorscheibenteile (6, 7) vorhanden sind, die mit entsprechenden Teilen benachbarter Rotorscheiben einen Abstand haben, der breit genug für das Hindurchführen einer Schweißzange zu den Naben ist.
- Rotor nach Anspruch 1 für Prallmühlen, dadurch gekennzeichnet, daß die Rotorscheiben (1) einen verbreiterten Außenkranz (7) aufweisen, der im Vergleich zu der Nabe (3) beiderseits um die Hälfte dessen schmaler ist, was als Abstand zwischen benachbarten Außenkränzen für das Hindurchführen einer Schweißzange zu den Naben (3) erforderlich ist.
- Rotor nach Anspruch 3, gekennzeichnet durch die Verwendung von Rotorscheiben (1) mit verschieden breiten Naben (3).
- Rotor nach Anspruch 1 für Prallmühlen, dadurch gekennzeichnet, daß die mit Ringschweißnähten (9) verbundenen Rotorscheiben (1) durchgehende, achsparallele Stützbalken (15) für Schlagleisten (5) aufweisen, die nach der Verbindung der Naben (3, 3') außen an den Scheibenrändern (1') angeschweißt worden sind.
- Rotor nach Anspruch 3, dadurch gekennzeichnet, daß die Teile, die den verbreiterten Außenkranz (7) der Rotorscheiben (1) bilden, vor dem Verschweißen der Naben (3) zwecks Schaffung planer Anlageflächen für die Schlagleisten (5) bearbeitet worden sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4006328 | 1990-03-01 | ||
DE4006328 | 1990-03-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0444432A1 EP0444432A1 (de) | 1991-09-04 |
EP0444432B1 EP0444432B1 (de) | 1993-12-08 |
EP0444432B2 true EP0444432B2 (de) | 2000-10-18 |
Family
ID=6401141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91101421A Expired - Lifetime EP0444432B2 (de) | 1990-03-01 | 1991-02-04 | Rotor für Prall- oder Hammermühlen |
Country Status (14)
Country | Link |
---|---|
US (1) | US5392999A (de) |
EP (1) | EP0444432B2 (de) |
JP (1) | JP3049099B2 (de) |
KR (1) | KR0168673B1 (de) |
AT (1) | ATE98137T1 (de) |
AU (1) | AU634349B2 (de) |
BR (1) | BR9100821A (de) |
CA (1) | CA2037308C (de) |
DE (1) | DE59100672D1 (de) |
DK (1) | DK0444432T4 (de) |
ES (1) | ES2048514T5 (de) |
GR (1) | GR3035276T3 (de) |
MX (1) | MX174627B (de) |
ZA (1) | ZA91909B (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE144442T1 (de) * | 1991-08-22 | 1996-11-15 | Noell Serv & Maschtechn Gmbh | Rotor für prall- oder hammermühlen |
US5381973A (en) * | 1992-08-26 | 1995-01-17 | Noell Service Und Maschinentechnik Gmbh | Rotor for impact crushes or hammer mills |
DE4330962C2 (de) * | 1993-09-09 | 1998-08-27 | Sivyer Steel Corp | Hammermühle |
US5443216A (en) * | 1994-09-12 | 1995-08-22 | Lajoie; Donald L. | Hammer mill |
DE19813310C1 (de) * | 1998-03-26 | 1999-10-28 | Noell Serv & Maschtechn Gmbh | Rotor für Prallmühlen |
US6047912A (en) * | 1998-05-01 | 2000-04-11 | Smith; Leward N. | Break-away processing tool for a waste processing machine |
CA2316471A1 (fr) * | 2000-08-02 | 2002-02-02 | Guy Gaudreault | Tete de coupe a rotor horizontal pour applications forestieres |
US6517020B1 (en) | 2000-09-08 | 2003-02-11 | Leward N. Smith | Replaceable raker assembly for processing tool of waste processing machine |
US6591973B2 (en) | 2001-06-04 | 2003-07-15 | Leward N. Smith | Sideboard assembly for waste processing machine |
US7384011B1 (en) | 2001-10-03 | 2008-06-10 | Leward Nile Smith | Multi-functional tool assembly for processing tool of waste processing machine |
US6845931B1 (en) | 2001-10-03 | 2005-01-25 | Leward Nile Smith | Multi-functional tool assembly for processing tool of waste processing machine |
US7726594B2 (en) * | 2001-10-03 | 2010-06-01 | Leward Nile Smith | Multi-functional tool assembly for processing tool of material processing machine |
US7007874B1 (en) | 2002-01-08 | 2006-03-07 | Leward Nile Smith | Shroud assembly for waste processing machine |
US6804871B1 (en) | 2002-05-03 | 2004-10-19 | Leward Nile Smith | Method for aligning clutch assembly |
US7163166B1 (en) | 2004-03-31 | 2007-01-16 | Leward Nile Smith | Rotatable assembly for machines |
CN1817461B (zh) * | 2005-02-07 | 2011-07-27 | 缪文生 | 节能型破碎、打砂、粉碎机用转子 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE18653C (de) * | J. M. BEISSBARTH in Nürnberg | Neuerungen an Pinselfassungen | ||
US2603316A (en) * | 1952-07-15 | Brake rotor | ||
US2440698A (en) * | 1945-11-23 | 1948-05-04 | Central Mine Equipment Company | Manufacture of flighted articles |
DE1831058U (de) * | 1961-03-07 | 1961-05-10 | Hazemag Hartzerkleinerung Und | Umlaeufer fuer schleuderprallmuehlen hoher drehzahl. |
DE1257541B (de) * | 1965-05-06 | 1967-12-28 | Hazemag Hartzerkleinerung | Schlagleiste fuer Rotoren von Prallmuehlen |
DE6601200U (de) * | 1966-01-03 | 1969-02-27 | Miag Gmbh | Schlaegerrotor fuer schlaegermuehlen |
US3531055A (en) * | 1967-11-01 | 1970-09-29 | Gunter Alt | Hammer crusher |
FR1589790A (de) * | 1968-10-22 | 1970-04-06 | ||
DE1808322C3 (de) * | 1968-11-12 | 1973-11-08 | Miag Muehlenbau Und Industrie Gmbh, 3300 Braunschweig | Rotor fur Hammerbrecher |
DE2418619A1 (de) * | 1974-04-18 | 1975-11-06 | Peters Ag Claudius | Rotor fuer hammerbrecher |
DE3137931A1 (de) * | 1981-09-24 | 1983-04-14 | Kirchner GmbH & Co Spezialmaschinen, 7081 Essingen | Hackmaschine |
DE3203324C2 (de) * | 1982-02-02 | 1985-07-18 | Maschinenfabrik B.Maier GmbH & Co KG, 4800 Bielefeld | Schleudermühle |
US4651934A (en) * | 1985-02-06 | 1987-03-24 | Bender Martin P | Pulverizing mill |
DE3905492A1 (de) * | 1989-02-23 | 1990-08-30 | Hoffmann Albert Kg | Schutzschild fuer scheiben eines hammerbrecherrotors |
US5004169A (en) * | 1989-11-22 | 1991-04-02 | Cedarapids, Inc. | Impeller bar assembly with adjustable locking mechanism |
-
1991
- 1991-01-07 ZA ZA91909A patent/ZA91909B/xx unknown
- 1991-02-04 EP EP91101421A patent/EP0444432B2/de not_active Expired - Lifetime
- 1991-02-04 AT AT91101421T patent/ATE98137T1/de not_active IP Right Cessation
- 1991-02-04 ES ES91101421T patent/ES2048514T5/es not_active Expired - Lifetime
- 1991-02-04 DE DE91101421T patent/DE59100672D1/de not_active Expired - Fee Related
- 1991-02-04 DK DK91101421T patent/DK0444432T4/da active
- 1991-02-13 MX MX024532A patent/MX174627B/es unknown
- 1991-02-25 AU AU71355/91A patent/AU634349B2/en not_active Ceased
- 1991-02-26 JP JP3030909A patent/JP3049099B2/ja not_active Expired - Lifetime
- 1991-02-28 BR BR919100821A patent/BR9100821A/pt not_active IP Right Cessation
- 1991-02-28 CA CA002037308A patent/CA2037308C/en not_active Expired - Fee Related
- 1991-02-28 US US07/662,009 patent/US5392999A/en not_active Expired - Fee Related
- 1991-02-28 KR KR1019910003315A patent/KR0168673B1/ko not_active IP Right Cessation
-
2001
- 2001-01-18 GR GR20010400093T patent/GR3035276T3/el not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MX174627B (es) | 1994-05-30 |
DK0444432T4 (da) | 2000-12-04 |
ES2048514T5 (es) | 2001-01-16 |
JPH04219152A (ja) | 1992-08-10 |
JP3049099B2 (ja) | 2000-06-05 |
ZA91909B (en) | 1992-02-26 |
EP0444432A1 (de) | 1991-09-04 |
EP0444432B1 (de) | 1993-12-08 |
KR910016382A (ko) | 1991-11-05 |
KR0168673B1 (ko) | 1999-01-15 |
GR3035276T3 (en) | 2001-04-30 |
DE59100672D1 (de) | 1994-01-20 |
DK0444432T3 (da) | 1994-03-07 |
AU7135591A (en) | 1991-09-05 |
CA2037308C (en) | 1998-02-10 |
CA2037308A1 (en) | 1991-09-02 |
US5392999A (en) | 1995-02-28 |
AU634349B2 (en) | 1993-02-18 |
ATE98137T1 (de) | 1993-12-15 |
BR9100821A (pt) | 1991-11-05 |
ES2048514T3 (es) | 1994-03-16 |
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