EP1353754B1 - Systeme de fleau - Google Patents

Systeme de fleau Download PDF

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Publication number
EP1353754B1
EP1353754B1 EP02715400A EP02715400A EP1353754B1 EP 1353754 B1 EP1353754 B1 EP 1353754B1 EP 02715400 A EP02715400 A EP 02715400A EP 02715400 A EP02715400 A EP 02715400A EP 1353754 B1 EP1353754 B1 EP 1353754B1
Authority
EP
European Patent Office
Prior art keywords
cutting
base
flail
cutting body
plane
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
EP02715400A
Other languages
German (de)
English (en)
Other versions
EP1353754A1 (fr
Inventor
Werner Doppstadt
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.)
Werner Doppstadt Umwelttechnik & Co KG GmbH
Original Assignee
Werner Doppstadt Umwelttechnik & Co KG 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 Werner Doppstadt Umwelttechnik & Co KG GmbH filed Critical Werner Doppstadt Umwelttechnik & Co KG GmbH
Priority to SI200230155T priority Critical patent/SI1353754T1/sl
Priority to DK02715400T priority patent/DK1353754T3/da
Publication of EP1353754A1 publication Critical patent/EP1353754A1/fr
Application granted granted Critical
Publication of EP1353754B1 publication Critical patent/EP1353754B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • 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
    • B02C18/18—Knives; Mountings thereof

Definitions

  • the invention relates to a flail assembly for rotary shredders with a to a Axis rotatably mounted body and a cutting body, which on a Projection of the body is releasably attached.
  • flails are called Impact tool for shredders, for example, for plastic, wood or the like used.
  • a flail assembly in which a tooth trained cutting body with a shaft interchangeable in a recess is attached.
  • the attachment takes place by means of a screw, which through a bore in the Base body and protrudes through the shaft of the cutter body.
  • the shaft is at the end with a projecting corner which engages behind a projection in the recess.
  • the shaft is provided with a profile which is in a complementary profile in the recess protrudes.
  • the device includes a rotor body, near it Scope Schlegel are arranged pivotally.
  • Each mallet consists of one Base body which is pivotally mounted on one end of the rotor body and out a cutting body, which at the front surface in the circumferential direction of the Schlegelels is appropriate.
  • These cutting bodies are interchangeable with the respective flail fastened since they are subject to rapid wear during operation of the device and can thus be replaced without replacement of the entire Schlegel would be required.
  • a flail assembly with an easily replaceable To provide cutting body in which as little material is consumed. It is Another object of the invention to provide a flail assembly which is simple is to produce. It is also an object of the invention to provide a flail assembly good power to create the body.
  • the objects are achieved by a Schlegelanssen according to the features of Claim 1 solved.
  • This will ensure optimal power transmission achieved by positive engagement.
  • the material to be crushed usually exerts strong forces in different directions on the cutting body and over the cutting body also on the main body of the flail arrangement.
  • Positive locking can not only forces perpendicular to the direction of movement of the Cutting body, but also all other forces acting on the cutting material on the Schlegel be included. There is no excessive burden on Fasteners such as screws or the like.
  • the profile on the base body corresponds to a profile on the cutting body, for example a Recess.
  • the cutting body has less volume with accordingly lower material consumption.
  • the profile has the shape of a projecting truncated pyramid whose base in the plane of the front Surface of the projection is located. This shape is easy to manufacture and reduces Material consumption in a suitable manner. By the number of pages of the The truncated pyramid determines the number of positions in which the Cutting body can be attached. This eliminates an adjustment situation of the Cutting edge.
  • the cutting body has two cutting edges mirror-symmetrical to one Surface on, which runs tangentially to a rotation extent. But there can be more Cutting edges be provided. For a four-sided truncated pyramid are also four Cutting edges possible. If the truncated pyramid has more sides, so can the Number of cutting edges are increased accordingly. By this configuration can the cutting body can be used several times. The cutting body must after wear only detached and rotated by an angle given by the geometry and be fastened again. This will reduce material usage and time spent lowered further.
  • the cutting body by means of a Bolt, which runs centrally through the cutting body and through the profile, bolted. But it is also any other type of attachment conceivable, especially since the lateral Forces are no longer absorbed by the screw but by the profile.
  • the Base body preferably has at the rear in the circumferential direction of the surface Projection on a recess in which a nut for the screw is retractable. This reduces stress and damage to the nut. In addition, will shortens the required screw length.
  • the cutting body on the in Circumferential direction front surface have a recess in which the screw head the screw is at least partially retractable. This will be a lesser Load and damage the screw head causes.
  • the axis of rotation away from the axis of the surface Cutting body preferably bevelled. This aligns with the beveled achsfemen surface of the body when the cutting body to the body is attached. As a result, the wear of the body is minimized.
  • the cutting edge of the cutting body is preferably hardened for a long time To ensure lifetime.
  • 10 denotes a rotor blade.
  • the rotor blade 10 includes a Base 12 and a screwed with a screw 14 cutting body 16, the forming the flail tip.
  • the main body 12 consists of a hollow cylinder 18, the order an axle 20 is rotatably mounted.
  • a projection 22 is formed on the hollow cylinder.
  • the projection 22 is formed substantially step-shaped, wherein the "stage” a Surface 24, on which the cutting body 16 rests.
  • the area 24 shows in Direction of the rotational movement, which is represented by an arrow 26 in Figure 1. she thus forms the front surface of the base body 12.
  • the cutting body 16 is located positively on the base body 12.
  • the step-shaped arrangement is the cutting body 16 surrounded by two sides of the body 12 and forms with him a unit in which no cutting material can penetrate.
  • the cutting body 16 has a uniform over its entire width trapezoidal cross section.
  • the smaller parallel surface of the trapezoid forms the rear side of the cutting body 16, which on the front surface 24 of the Base 12 rests.
  • the front part 28 of the cutting body 16 is hardened. This delays the wear of the cutting surfaces.
  • the cutting body can also of two parts, a hardened front part and a non-hardened back part, which are interconnected exist.
  • the front part 28 of the cutting body comprises two cutting edges 30 and 32, the on opposite sides of the cutter body are arranged parallel to each other. In other embodiments are four cutting edges on each side of the Cutting body arranged at an angle of about 90 degrees to each other.
  • the Cutting edges 30 and 32 project slightly forward. Accordingly, the runs Surface 34 and 36 at an angle slightly obliquely to the edges. Thereby an optimal cutting effect is achieved.
  • the middle part 38 of the front surface extends between the cutting edges 30 and 32 straight, i. parallel to the rear surface of the cutter body. The sharp angle the trapezium in cross-section is slightly blunted at its end 40 and 42. This is in 3 again shown.
  • the rear surface of the base body 12, and its achsfeme surface 44th are not exactly exactly. As a result, the resistance to the material to be cut is something lower.
  • the off-axis surface 44 extends such that they are free of edges on the Side surface 46 of the cutter body 16 connects.
  • the base body 12 is shown without cutting body.
  • a bore 52 for the screw 14 is provided in the truncated pyramid 50.
  • the sides 54 are at an angle of 90 degrees to each other and two sides have edges which are parallel to the cutting edges 30, 32 (Fig.3).
  • the cutting body 16 has on its rear side a recess which is complementary to the profile 50.
  • the cutting body 16 only screwed in four different layers to the base body or otherwise on it be attached. An adjustment is not required.
  • the Cutting body 16 each placed so that one of the two cutting edges 30, 32nd runs parallel to the axis of rotation 20 of the Schlegelels. Is the cutting edge through Wear has become dull, the screw 14 is released, the cutting body by 180 Degree turned and fastened with the screw 14 again. Then there is a "fresh" Cutting edge in place of the previous one. Be cutting edges on each side of the Cutting body 16 provided so the cutting body can be used four times instead of twice become. If more cutting edges are to be provided, the number the sides of the truncated pyramid 50 are increased.
  • a recess 60 is provided on the rear side of the base body 12.
  • the screw 14 protrudes through a bore 62 in the cutting body 16 and the bore 52 in the main body.
  • a matching nut 64 for the screw 14th is provided in the recess 60.
  • the holes 52 and 62 do not need to be threaded be provided, which of course is also possible. Due to the protected location of Screw head and nut these are not or only slightly by the cut material impaired.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Harvester Elements (AREA)
  • Lock And Its Accessories (AREA)
  • Fats And Perfumes (AREA)
  • Disintegrating Or Milling (AREA)
  • Dental Preparations (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Glass Compositions (AREA)
  • Seal Device For Vehicle (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (8)

  1. Fléau pour broyeurs à rotor, comprenant
    (a) un élément de base (12) muni d'un pivot (18) au moyen duquel le fléau (10) est articulé sur un rotor de façon à pouvoir pivoter autour d'un axe de pivotement parallèle à l'axe du rotor, et muni d'une face avant dans le sens de rotation du rotor qui s'étire sur toute la largeur de l'élément de base (12) et qui forme un étage présentant une surface oblique et une surface plane (24) adjacente à la dernière et délimitant une partie terminale (22) en forme de plaque de l'élément de base (12) d'épaisseur moindre,
    (b) un élément de coupe (16) qui s'étire également sur toute la largeur de l'élément de base (12) présentant une base formant une surface de base plane, et pour lequel sont formées des arêtes de coupe cunéiformes saillant à leurs deux extrémités présentant une forme de base triangulaire dans leur profil transversal ainsi que des tranchants (30,32) parallèles à l'axe de pivotement, et
    (c) des moyens de fixation de l'élément de coupe (16) à l'élément de base (12) de sorte que la surface de base plane repose sur la surface plane (24) de l'étage,
       caractérisé en ce que
    (d) les arêtes de coupe possèdent des faces extérieures planes adjacentes à la surface de base de la base et s'étendant obliquement vers l'extérieur,
    (e) une arête de coupe extérieure saillant obliquement vers l'extérieur sur la surface de base plane de la base dépasse avec son tranchant (30) de l'extrémité extérieure de l'élément de base (12) opposée à l'axe de pivotement,
    (f) une partie en saillie (50) est formée sur la surface plane (24), partie sur laquelle l'élément de coupe (16) repose, avec un logement de forme complémentaire à celui-ci, dans la surface de base de l'élément de coupe (16),
    (g) l'élément de coupe (16) repose avec la surface extérieure de son arête de coupe intérieure et sa surface de base plane, en raison de sa forme géométrique appropriée, sur l'étage de l'élément de base (12) de sorte que l'élément de coupe (16) est étroitement entouré sur deux faces par l'élément de base (12).
  2. Fléau selon la revendication 1, caractérisé en ce que la partie en saillie (50) présente la forme d'un tronc de pyramide proéminent dont la surface de base se trouve dans le plan de la face avant de la partie terminale (22).
  3. Fléau selon la revendication 1 ou 2, caractérisé en ce que l'élément de coupe (16) présente deux arêtes de coupe symétriques à une surface tangentielle à un périmètre de rotation.
  4. Fléau selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de coupe (16) est vissé au moyen d'une vis (14) s'étendant au centre de l'élément de coupe (16) et de la partie en saillie (50).
  5. Fléau selon la revendication 4, caractérisé en ce que l'élément de base (12) présente sur la face arrière dans le sens de rotation de la partie terminale (22) un évidement dans lequel un écrou (64) pour la vis (14) peut être noyé.
  6. Fléau selon la revendication 4, caractérisé en ce que l'élément de coupe (16) présente sur la face avant dans le sens de rotation un évidement (62) dans lequel la tête de la vis (14) peut être noyée.
  7. Fléau selon l'une quelconque des revendications précédentes, caractérisé en ce que la face de l'élément de coupe (16) éloignée de l'axe par rapport à l'axe de rotation est biseautée et s'aligne sur la face biseautée de l'élément de base (12) éloignée de l'axe lorsque l'élément de coupe (16) est fixé sur l'élément de base (12).
  8. Fléau selon l'une quelconque des revendications précédentes, caractérisé en ce que l'arête de coupe (30,32) de l'élément de coupe (16) est trempée.
EP02715400A 2001-01-13 2002-01-08 Systeme de fleau Expired - Lifetime EP1353754B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200230155T SI1353754T1 (sl) 2001-01-13 2002-01-08 Ureditev tolkaca
DK02715400T DK1353754T3 (da) 2001-01-13 2002-01-08 Slagindretning

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10101434A DE10101434C1 (de) 2001-01-13 2001-01-13 Schlegelanordnung für Rotorschredder
DE10101434 2001-01-13
PCT/EP2002/000100 WO2002055203A1 (fr) 2001-01-13 2002-01-08 Systeme de fleau

Publications (2)

Publication Number Publication Date
EP1353754A1 EP1353754A1 (fr) 2003-10-22
EP1353754B1 true EP1353754B1 (fr) 2005-04-27

Family

ID=7670514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02715400A Expired - Lifetime EP1353754B1 (fr) 2001-01-13 2002-01-08 Systeme de fleau

Country Status (21)

Country Link
US (1) US20040056129A1 (fr)
EP (1) EP1353754B1 (fr)
JP (1) JP2004532718A (fr)
CN (1) CN1273219C (fr)
AT (1) ATE294020T1 (fr)
AU (1) AU2002224981B2 (fr)
CA (1) CA2432994A1 (fr)
CZ (1) CZ297099B6 (fr)
DE (2) DE10101434C1 (fr)
DK (1) DK1353754T3 (fr)
EA (1) EA004833B1 (fr)
ES (1) ES2240719T3 (fr)
HU (1) HU225364B1 (fr)
IL (2) IL156795A0 (fr)
NO (1) NO20033182L (fr)
PL (1) PL362476A1 (fr)
PT (1) PT1353754E (fr)
SI (1) SI1353754T1 (fr)
SK (1) SK286713B6 (fr)
UA (1) UA74038C2 (fr)
WO (1) WO2002055203A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7204442B2 (en) 2004-01-13 2007-04-17 Vermeer Manufacturing Company Apparatus and method for supporting and retaining a hammer and cutter
DE102005023339A1 (de) * 2005-05-17 2006-11-30 Ferdinand Doppstadt Schlegel für Rotorschredder
US8540033B2 (en) * 2008-02-22 2013-09-24 Fecon, Inc. Apparatus for land clearing and preparation
DE102010016483A1 (de) * 2010-04-16 2011-10-20 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Schneidkörper
DE102011085520B4 (de) * 2011-10-31 2017-05-04 General Electric Technology Gmbh Hammer einer Schlägermühle
CN102806126A (zh) * 2012-03-05 2012-12-05 长沙理工大学 破碎机
DE102012009852A1 (de) * 2012-05-21 2013-11-21 Artur Willibald Schneidvorrichtung
US11292148B2 (en) * 2015-09-22 2022-04-05 Deere & Company Cutting device tooth mounting arrangement
CN106238173A (zh) * 2016-08-30 2016-12-21 浙江华莎驰机械有限公司 一种废品处理用齿头结构
CN106238149A (zh) * 2016-08-30 2016-12-21 浙江华莎驰机械有限公司 一种元宝形废品处理用齿
CN106423412A (zh) * 2016-08-30 2017-02-22 浙江华莎驰机械有限公司 一种废品处理用碎料齿头
CN108325630A (zh) * 2018-03-30 2018-07-27 浙江华莎驰机械有限公司 一种粉碎机和废品处理用的刀角型齿头
CN108325628A (zh) * 2018-03-30 2018-07-27 浙江华莎驰机械有限公司 一种粉碎机和废品处理用的刀锥形齿头
USD965031S1 (en) 2018-07-12 2022-09-27 Kennametal Inc. Stump cutter tooth
US10856474B2 (en) * 2018-07-12 2020-12-08 Kennametal Inc. Stump cutter tooth assembly
CN108686774A (zh) * 2018-08-08 2018-10-23 徐州中矿大贝克福尔科技股份有限公司 一种多台锤式破碎机同时供料装置及方法
CN108686772A (zh) * 2018-08-08 2018-10-23 徐州中矿大贝克福尔科技股份有限公司 一种锤式破碎机的四面重复用分体式锤头及使用方法
CN110201765A (zh) * 2019-05-31 2019-09-06 浙江华莎驰机械有限公司 一种组合式碎齿头

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467865A (en) * 1944-05-03 1949-04-19 Forrest E Smith Hammer for impact pulverizer
DE2943456A1 (de) * 1979-10-27 1982-02-18 Maschinenfabrik B. Maier Kg, 4800 Bielefeld Vorrichtung zum zerkleinern , insbesondere von rinden und einjahrespflanzen
US4369927A (en) * 1980-06-20 1983-01-25 Rozeboom Antonie G Self-loading feed mixer and transport apparatus with improved grinding and loading mechanism
DE3545708C2 (de) * 1985-12-21 1994-01-20 Werner Doppstadt Umlaufender Schlegel zum Zerkleinern von Materialien
DE3807176A1 (de) * 1987-03-06 1988-10-20 Kobe Steel Ltd Prallbrecher
JPH044052A (ja) * 1990-04-19 1992-01-08 Kurimoto Ltd ハンマーミルのハンマー
US5285974A (en) * 1991-10-16 1994-02-15 American Magotteaux Corp. Two-piece hammer for use in a shredder
US5910052A (en) * 1998-04-14 1999-06-08 Southco, Inc. Process for manufacturing a captive screw
US5967436A (en) * 1998-06-05 1999-10-19 Balvanz; Loran Russell Production plus hammer with protective pocket
US6089480A (en) * 1998-06-18 2000-07-18 Rawlings Manufacturing, Inc. Striker assembly for rotary hog
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
US6422495B1 (en) * 2000-02-25 2002-07-23 Vermeer Manufacturing Company Rotary grinder apparatus and method

Also Published As

Publication number Publication date
ES2240719T3 (es) 2005-10-16
HUP0400556A2 (en) 2004-06-28
SK8832003A3 (en) 2003-11-04
ATE294020T1 (de) 2005-05-15
PL362476A1 (en) 2004-11-02
EA200300665A1 (ru) 2003-12-25
SI1353754T1 (sl) 2006-02-28
JP2004532718A (ja) 2004-10-28
CN1273219C (zh) 2006-09-06
SK286713B6 (sk) 2009-04-06
CN1486217A (zh) 2004-03-31
CZ297099B6 (cs) 2006-09-13
US20040056129A1 (en) 2004-03-25
CA2432994A1 (fr) 2002-07-18
AU2002224981B2 (en) 2005-12-01
NO20033182D0 (no) 2003-07-11
EA004833B1 (ru) 2004-08-26
HU225364B1 (en) 2006-10-28
UA74038C2 (en) 2005-10-17
IL156795A0 (en) 2004-02-08
PT1353754E (pt) 2005-09-30
IL156795A (en) 2007-07-04
EP1353754A1 (fr) 2003-10-22
WO2002055203A1 (fr) 2002-07-18
DE50202900D1 (de) 2005-06-02
DK1353754T3 (da) 2005-08-22
NO20033182L (no) 2003-09-08
DE10101434C1 (de) 2002-07-25
CZ20031922A3 (cs) 2004-01-14

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