EP2277626B1 - Rotor de broyeur - Google Patents

Rotor de broyeur Download PDF

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Publication number
EP2277626B1
EP2277626B1 EP10007193.5A EP10007193A EP2277626B1 EP 2277626 B1 EP2277626 B1 EP 2277626B1 EP 10007193 A EP10007193 A EP 10007193A EP 2277626 B1 EP2277626 B1 EP 2277626B1
Authority
EP
European Patent Office
Prior art keywords
rotor
impact tools
tools
impact
receiving bushes
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
EP10007193.5A
Other languages
German (de)
English (en)
Other versions
EP2277626A2 (fr
EP2277626A3 (fr
Inventor
Jörg Hillmann
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.)
Jenz Maschinen- und Fahrzeugbau GmbH
Original Assignee
Jenz Maschinen- und Fahrzeugbau 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 Jenz Maschinen- und Fahrzeugbau GmbH filed Critical Jenz Maschinen- und Fahrzeugbau GmbH
Publication of EP2277626A2 publication Critical patent/EP2277626A2/fr
Publication of EP2277626A3 publication Critical patent/EP2277626A3/fr
Application granted granted Critical
Publication of EP2277626B1 publication Critical patent/EP2277626B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/28Shape or construction of beater elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/02Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/146Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with a rotor comprising a plurality of axially contiguous disc-like segments each having at least one radially extending cutting element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/18Knives; Mountings thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/28Shape or construction of beater elements
    • B02C2013/2808Shape or construction of beater elements the beater elements are attached to disks mounted on a shaft

Definitions

  • the invention relates to a rotor of a crushing machine for the comminution of waste or for the production of wood chips according to the preamble of the first claim.
  • a disadvantage of such a construction is that during assembly of the tools each tool is manually held by a first operator in the corresponding mounting position and the racket rod according to the respective tool width by a second operator must be gradually driven into the rotor. In addition to the not inconsiderable physical stress due to the individual tool weight, two operators are therefore always required for tool installation. An operator keeps doing the respective tool in the corresponding mounting position, so that the racket rod for this tool can be introduced by a second operator in the rotor according to the tool width. This is on the one hand very strenuous and very injury-relevant and on the other very costly, since always two operators are needed, which also still have to work closely coordinated to achieve the desired assembly or disassembly success in a reasonable time.
  • the object of the invention is to provide an economically producible and operable and universally usable rotor of a crusher, in which the frequency of complete tool changes is substantially reduced, the required tool changes are simple and fast and largely eliminates the risk of injury and the required personnel and resource costs are reduced to a minimum.
  • the impact tools are provided with axially directed to the receiving receptacles recordings that surround them partially and at least in a mounting position of the impact tools to the rotor form a support for the impact tools on the receiving bushes, a provisional hooking the tools in the rotor is possible, without having to insert the racket rod into the rotor at the same time.
  • the lateral recordings of the striking tools lie on the receiving bushings of the racket rod, so that the tools can be hooked into the rotor during assembly without this support of the racket rod. Only after all of a racquet rod associated percussion tools are mounted in the rotor, this can then be introduced by the same operator in the rotor and fixed there.
  • the individual percussion tools can therefore be easily picked up by a single operator for mounting and suspended virtually quasi in the rotor, the impact tool is held immediately in a mounting position, which allows the subsequent insertion of the racket rod. This eliminates a tedious holding a striking tool in a mounting position in which a second operating position must drive the racket rod through the corresponding hole of the striking tool through.
  • the assembly of striking tools is thus not only considerably simplified, but also the risk of accidents in the improper installation or inadvertent occurring completely excluded.
  • the striking tools need not necessarily be provided on both sides with such recordings, but could also be equipped only on one side with appropriate recordings.
  • the disassembly of the tools is significantly improved and facilitated because when pulling the racket rod from the rotor tools that are strung, for example, like pearls on a string of pearls on the racket, no longer fall due to their mass from the rotor, but in the mounting position corresponding disassembly position initially remain in place to rest after pulling out the racket rod with their recordings back on the receiving sockets until they are lifted by hand from it.
  • the through bores in the impact tools and in the receiving bushes of the rotor disks are arranged in alignment in the mounting position in such a way that the racket rod can be introduced or pulled out in the axial direction.
  • the fits between the outer diameter of the racket rod and the inner diameters of the through holes of the striking tools and the fits between the recordings of the impact tools and the outer diameters of the receiving bushes of the rotor discs are preferably selected so that received in operation of the rotor all forces from the rackets rods be and the supports of the striking tools are held free of forces on the receiving bushes.
  • free-swinging impact tools or fixed impact tools can be fixed with one and the same racket rod between the rotor discs of the rotor, the free-swinging impact tools in the rotor of the crushing machine are in the rotation of the rotor due to the flying force to the outside. Due to the fast circulating movement of the solid and heavy impact tools and the kinetic energy associated with it is crushed in contact with the supplied material this very effective.
  • the fixed impact tools can perform no rotation on the racket rod based on their geometric design, and this property is also so intended depending on the material to be crushed.
  • the impact tools are subject to high wear depending on the crushing material used, they must be replaced at regular intervals be, with the fixing of the fixed striking tools in the rotor just like the free-running striking tools is simply generated by means of the rackets rods, which can significantly speed up and simplify a tool change even with the fixed striking tools.
  • the body of the striking tool advantageously and preferably in the region of increased wear in exposed areas, such as on the outside of his head, be carried out divided, resulting in particularly stressed components, such as radial end pieces Quickly and easily replaced by means of detachable fasteners against intact components, which significantly improves the efficiency of the entire device.
  • Such a split design of the head of a percussion tool can of course be used in other known rotors of crushing machines with conventional fastening device.
  • the inventive design of the rotor or impact tools whose effective overall width, for example, from 80 mm to 100 mm, which on the one hand sets a significantly increased cutting length and on the other significantly extends the life of the striking tools.
  • the recordings are unilaterally or advantageously formed on both sides as lateral and in the mounting position downwardly open U-shaped recesses in impact tool and the receiving bushes partially covered by it, so that further adjusts an advantageous mechanical protection of the receiving socket in the rotor disk, since the racket bushings Protected in the rotor by the lateral recordings before the crushing material. It also creates a sort of labyrinth gap seal that keeps dust and other fine contaminants away from the bearings, significantly extending their life.
  • the broadening of the impact tools against the possible width dimensions of known percussion tools has the further advantage that the mass of each impact tool can be increased, whereby the kinetic energy of the rotating rotor increases significantly and achieved a significant improvement of the crushing ability with the same number of striking tools leaves.
  • the striking tools can be equipped with interchangeable turning heads, which have at least two or more function sides with impact teeth, the function pages can be equipped with identical or different impact teeth and, for example, a square turning head can be equipped with two or four rows of impact teeth and accordingly Rotated 180 ° or 90 ° on the impact tool is monierbar or can have three rows of impact resistance and can be arranged correspondingly rotated by 120 ° on the impact tool.
  • a reversible fitting head can also be realized with differently mounted impact tools of comminution machines.
  • the rotor 1 of the crusher for shredding waste or for the production of wood chips consists of a plurality of spaced rotor disks 5, which have the shape of partial disks and are arranged so that in the outer region of the rotor disks 5 on a coaxial with the main shaft 16 of the rotor 1 through these percussive rod 8 guided percussion striking tools 2, 3, 4 can be arranged axially offset from one another.
  • Fig. 1 can be shown in a mounting position on the racket rod 8 freely swinging impact tools 2, 4 put on or, as in Fig. 3 illustrated fixed impact tools 3, wherein the exemplary geometric design prevents rotation about the longitudinal axis of the racket rod 8.
  • the rotor 1 In a mounting position, the rotor 1, as in the FIGS. 1 . 3 and 6 4, fixed in an angular position in which the through holes through the receiving bushes 6 for a racket rod 8 to be mounted are approximately at the same height as its main shaft 16, the striking tools 2, 3, 4 with their interchangeable components, such as the clamping blocks 13 and the blades 12, are directed outwards.
  • the striking tools 2, 3, 4 have on both sides U-shaped recesses as seats 7, which are open in the mounting position downwards, so that the striking tools 2, 3, 4 can be placed on the rotor disks 5 axially projecting receiving bushes 6, without the the impact tools 2, 3, 4 would have to be fixed immediately by the racket rod 8.
  • a racket rod 8 is inserted and locked in the outer rotor disks 5.
  • the in the Fig. 2 and 4 4 are each provided with a single blade 12 which is fixed via a clamping block 13 in the head of the striking tool 2, 3.
  • the head of the FIG. 2 shown impact tools 2 is also formed in two parts and has a with fasteners 15 interchangeable designed end portion 14 in order to replace exposed due to their exposed position greatly increased wear components quickly and easily against unused parts.
  • a striking tool 4, as in the Fig. 6 is shown, however, is equipped with a reversible fitting head 10, arranged in two rows 9 impact teeth 11, so that after wear of the active outer row 9 of impact teeth 11 of the turning head 10 can be rotated by 180 °, whereby the cost of the inventive rotor yet further improved.
  • the receptacles 7 in the impact tools 2, 3, 4 form radially inwardly directed bearing surfaces 17, which rest in the assembled state on the radial outer sides of the mutually extending from the rotor disks 5 receiving bushes 6 of the racket rod 8 and the radial gap between the receiving bushes and the impact tools 2, 3, 4 overlap, thus protecting the bearing bush of the racket 8 before crushing material, so that the wear on the bearing of the exchangeable impact tools 2, 3, 4 is shifted.
  • all impact tools 2, 3, 4 to be arranged on a rack bar 8 can be placed freely on the receiving bushes 6 and only then drive the racket bar 8 axially through all the bearings.
  • the club rod 8 can first be pulled axially out of the rotor 1, wherein the striking tools 2, 3, 4 change their position from the club rod 8 to the receiving sleeves 6, but essentially in remain in their position and can then be removed freely from the receiving sockets 6.

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

Claims (9)

  1. Rotor pour machine de déchiquetage destinée à déchiqueter des déchets ou à produire des copeaux de hachage, présentant des outils de percussion (2;3;4) immobilisés, répartis axialement en rangées et radialement à la périphérie du rotor (1) et présentant des oeillets de montage fermés radialement par lesquels les outils de percussion (2;3;4) d'une rangée sont maintenus entre des disques de rotor (5) par des douilles de réception (6) débordant axialement d'une tringle de percussion commune (8) traversant les outils de percussion (2;3;4) et les disques de rotor (5) dotés des douilles de réception (6), les outils de percussion (2;3;4) étant dotés de logements (7) orientés axialement par rapport aux douilles de réception (6) et chevauchant partiellement ces dernières, caractérisé en ce que dans une position de montage des outils de percussion (2;3;4) sur le rotor (1) et dans une position de démontage des outils de percussion (2;3;4) du rotor (1), lorsque les tringles de percussion (8) ne sont pas insérées dans le rotor (1), les logements (7) forment un appui (17) pour les outils de percussion (2;3;4) prévus sur les douilles de réception (6).
  2. Rotor selon la revendication 1, caractérisé en ce que les outils de percussion (2;3;4) sont dotés de ces logements (7) sur un ou sur deux côtés.
  3. Rotor selon l'une des revendications précédentes, caractérisé en ce que des perforations ménagées dans les outils de percussion (2;3;4) et dans les douilles de réception (6) des disques (5) de rotor sont disposées en position de montage en alignement et en ce que la tringle de percussion (8) est configurée de manière à pouvoir être insérée ou extraite en direction axiale lorsque les outils de percussion (2;3;4) reposent par leurs appuis (17) de manière provisoirement libre sur les douilles de réception (6).
  4. Rotor selon l'une des revendications précédentes, caractérisé en ce que les adaptations entre le diamètre extérieur de la tringle de percussion (8) et les diamètres intérieurs des perforations ménagées dans les outils de percussion (2;3;4) ainsi que les adaptations entre les logements des outils de percussion (2; 3; 4) et les diamètres extérieurs des douilles de réception (6) des disques (5) de rotor sont sélectionnées de telle sorte que lorsque le rotor (1) est en rotation avec des outils de percussion (2;3;4) déviés radialement, toutes les forces sont reprises par la tringle de percussion (8) et les appuis des outils de percussion (2; 3; 4) sont repris sur les douilles de réception (6) sans application de force.
  5. Rotor selon l'une des revendications 1 ou 2 qui précèdent, caractérisé en ce que les axes centraux des perforations ménagées dans les outils de percussion (2;3;4) sont décalés légèrement vers le bas par rapport à un alignement exact par rapport aux axes ménagés dans les douilles de réception (6) des disques (5) de rotor en position de montage, en ce que la tringle de percussion (8) est dotée à son extrémité d'insertion d'une configuration conique ou d'un chanfrein et en ce que lors de l'insertion de la tringle de percussion (8) dans les perforations ménagées dans les outils de percussion (2; 3; 4), ces derniers peuvent être relevés vers le haut de manière provisoirement libre sur les appuis (17) reposant sur les douilles de réception (6) et peuvent être déposés par leurs appuis (17) sur les douilles de réception (6) lors de l'extraction de la tringle de percussion.
  6. Rotor selon l'une des revendications précédentes, caractérisé en ce que les outils de percussion (2;3;4) sont configurés comme outils de percussion (2;4) aptes à osciller librement ou comme outils de percussion (3) fixes qui, en fonctionnement, n'exécutent pas un tour complet autour de la tringle de percussion (8).
  7. Rotor selon l'une des revendications précédentes, caractérisé en ce que les têtes de percussion des outils de percussion (2;3;4) présentent des largeurs qui correspondent aux largeurs des outils de percussion (2;3;4) au niveau situé entre les disques (5) de rotor, y compris la largeur des logements (7).
  8. Rotor selon l'une des revendications précédentes, caractérisé en ce que les logements (7) sont configurés comme découpes latérales et ouvertes en U en position de montage dans les outils de percussion ((2;3;4) et en ce que les douilles de réception (6) sont partiellement recouvertes par ces logements, forment une protection mécanique des douilles de réception (6) et remplissent une fonction d'étanchéité à la manière d'une étanchéité à labyrinthe.
  9. Rotor selon l'une des revendications précédentes, caractérisé en ce que le corps de l'outil de percussion (2) est réalisé en plusieurs parties au niveau de sa tête et en ce que des composants fortement sollicités, par exemple une partie frontale radiale (14), sont reliés les uns aux autres de manière remplaçable par des moyens de fixation (15).
EP10007193.5A 2009-07-22 2010-07-12 Rotor de broyeur Active EP2277626B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910034457 DE102009034457B4 (de) 2009-07-22 2009-07-22 Rotor einer Zerkleinerungsmaschine

Publications (3)

Publication Number Publication Date
EP2277626A2 EP2277626A2 (fr) 2011-01-26
EP2277626A3 EP2277626A3 (fr) 2011-05-11
EP2277626B1 true EP2277626B1 (fr) 2015-12-23

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ID=43216546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10007193.5A Active EP2277626B1 (fr) 2009-07-22 2010-07-12 Rotor de broyeur

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EP (1) EP2277626B1 (fr)
DE (1) DE102009034457B4 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010014029U1 (de) * 2010-10-08 2012-01-09 Doppstadt Familienholding Gmbh Schlegel mit geteilter Schlegelspitze
CN102600929A (zh) * 2012-03-16 2012-07-25 韩清洁 一种用于废钢破碎机的刀具
JP5972841B2 (ja) * 2013-08-12 2016-08-17 株式会社キンキ 破砕機用ロータ
DE202016001187U1 (de) * 2016-02-22 2017-05-31 Komptech Gmbh Werkzeug für Zerkleinerungsmaschine
CN106179611A (zh) * 2016-08-26 2016-12-07 南通奥普机械工程有限公司 一种红土镍矿烘干破碎机的转子系统
DE102017105283A1 (de) 2017-03-13 2018-09-13 Jenz Gmbh Maschinen- Und Fahrzeugbau Werkzeuge für eine Zerkleinerungsmaschine
DE102017106543A1 (de) * 2017-03-27 2018-09-27 Albach Maschinenbau GmbH Hackrotor
CN109926185B (zh) * 2019-04-16 2023-10-20 太原市欣天力机电技术有限公司 一种用于破碎机的二级破碎辊装置
CN112452431A (zh) * 2020-11-02 2021-03-09 嘉兴嗨呗可食品有限公司 一种食物研磨装置
DE102021127013B4 (de) 2021-10-19 2023-05-25 Jörg Hillmann Hack- oder Mulchvorrichtung

Family Cites Families (5)

* 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
DE3317070C1 (de) * 1983-05-10 1984-07-26 Maschinenfabrik B.Maier GmbH & Co KG, 4800 Bielefeld Schlagmühle
DE3744241A1 (de) * 1987-12-24 1989-07-06 Lindemann Maschfab Gmbh Befestigung von verschleisselementen
DE29818720U1 (de) 1998-06-23 1999-04-15 A+S Häcksel- und Kompostierungs GmbH, 74397 Pfaffenhofen Einrichtung zur Erzeugung von thermisch verwertbaren Hackschnitzeln
ITRE20020051A1 (it) * 2002-06-18 2003-12-18 Bonfiglioli Ing Spa Rotore a martelli per impianti frantumatori

Also Published As

Publication number Publication date
DE102009034457B4 (de) 2013-10-10
DE102009034457A1 (de) 2011-01-27
EP2277626A2 (fr) 2011-01-26
EP2277626A3 (fr) 2011-05-11

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