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EP1050391B1 - Broyeur à marteaux pour déchiqueter - Google Patents

Broyeur à marteaux pour déchiqueter Download PDF

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Publication number
EP1050391B1
EP1050391B1 EP00108301A EP00108301A EP1050391B1 EP 1050391 B1 EP1050391 B1 EP 1050391B1 EP 00108301 A EP00108301 A EP 00108301A EP 00108301 A EP00108301 A EP 00108301A EP 1050391 B1 EP1050391 B1 EP 1050391B1
Authority
EP
European Patent Office
Prior art keywords
rotor
beater
axis
chipper
chipper according
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
EP00108301A
Other languages
German (de)
English (en)
Other versions
EP1050391A3 (fr
EP1050391A2 (fr
Inventor
Robert Loth
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.)
B Maier Zerkleinerungstechnik GmbH
Original Assignee
B Maier Zerkleinerungstechnik 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 B Maier Zerkleinerungstechnik GmbH filed Critical B Maier Zerkleinerungstechnik GmbH
Publication of EP1050391A2 publication Critical patent/EP1050391A2/fr
Publication of EP1050391A3 publication Critical patent/EP1050391A3/fr
Application granted granted Critical
Publication of EP1050391B1 publication Critical patent/EP1050391B1/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
    • B02C13/282—Shape or inner surface of mill-housings
    • B02C13/284—Built-in screens
    • 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
    • B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
    • 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
    • B02C13/282—Shape or inner surface of mill-housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like

Definitions

  • the invention relates to a Schlagzerspaner for cutting wood chips for chips.
  • the chips produced with it are mainly used in the chipboard industry. With Schlagzerspanern of the type in question chips are to be produced, similar to those as in Messerring-Zerspanern.
  • the chips of Schlagzerspanern are slim and pin-shaped.
  • US-A-4 593 862 discloses a percussion chipper according to the preamble of claim 1.
  • Such Schlagzerspaner comprises a hammer rotor with horizontal rotor shaft, also a surrounding the impact rotor shell of sieve segments and grinding elements.
  • the sieve segments and the grinding elements are arranged alternately over the rotor circumference, and leave free a portion of the rotor circumference for supplying wood chips.
  • the entire shell is in turn surrounded by a housing, comprising two end walls, which run more or less perpendicular to the rotor shaft, a peripheral wall, and a feed nozzle for supplying the chips to be crushed.
  • the feed port is generally located at the top of the housing.
  • Crushing machines with impact rotors have long been known. They represent an optimal solution for shredding problems.
  • the knife-less impact tools used can be optimally matched to the material to be shredded with different club thicknesses. They shred waste wood to injectable material.
  • the pre-shredded material to be treated may consist of waste wood, such as chipboard residues, veneer waste, pallets, etc., but also from hard rubber products, garbage, paper, glass, etc.
  • the touched by the good components of such a crusher are subject to wear. They therefore have a limited life and must be replaced from time to time.
  • the bats are especially affected by the wear.
  • the service lives of the rackets amount to a few weeks to a few months, depending on the application and the type of product. Then they have to be expanded.
  • the grinding segments are also exposed to heavy wear.
  • the screen elements wear with their circumferentially slits on the entire inner surface. Furthermore, the sieves can be penetrated by foreign bodies or bulged.
  • the invention has for its object to make a Schlagzerspaner of the type mentioned in such a way that the neuralgic parts are easily accessible and exchangeable with low personnel costs in a short time.
  • the adjustments during the installation of new parts should be as low as possible.
  • the Schlagzerspaner shown in Figure 1 is constructed as follows: It comprises a drum-like impact rotor 1 with a horizontal rotor shaft 1.1.
  • the impact rotor 1 has impact tools that can be constructed in a known manner.
  • the impact rotor 1 is enveloped by screen segments 2.1, 2.2, 2.3 and 2.4, in addition to grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5.
  • a different number of sieve segments 2.1, 2.2, 2.3 and 2.4 could be provided, for example 3 or 5.
  • another number of grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 be provided, instead of the five grinding elements shown here 3.1, 3.2, 3.3, 3.4 and 3.5, thus a larger or smaller number.
  • the sieve segments 2.1, 2.2, 2.3 and 2.4 and the grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 are arranged alternately. It but could also be two grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 directly follow each other.
  • the impact rotor 1 is not completely enveloped by the screen segments 2.1, 2.2, 2.3 and 2.4 and the grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5. Rather, an upper area of the rotor circumference remains free.
  • the previously described unit - impact rotor 1, sieve segments 2.1 to 2.4 and grinding elements 3.1 to 3.5 - are in turn surrounded by a housing 4.
  • the housing 4 has two end walls, which extend substantially perpendicular to the axis of the impact rotor 1 and thus vertically. However, it also has a peripheral wall 4.1, 4.2, 4.3, 4.4 and 4.5.
  • a supply pipe 4.6 In the upper part of the housing 4 is a supply pipe 4.6. Through this, a chip stream is introduced, which is fed to the impact rotor 1 in the aforementioned open area. It then passes into the gap which is formed between the individual sieve segments 2.1, 2.2, 2.3 and 2.4 or grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 on the one hand and the lateral surface of the impact rotor 1.
  • the Schlagzerspaner may be upstream of a heavy material separator 5, which is not part of the invention.
  • the screen segment 2.3 is pivoted away from the lateral surface of the impact rotor 1, so that it releases the lateral surface. It is pivoted about a pivot axis II.
  • the sieve 2.2 is also pivotable about the pivot axis II.
  • the grinding segments are 3.1 and 3.5 firmly bolted to the segments 2.1 and 2.4 respectively. They are located at the free ends of said sieve segments 2.1, 2.4.
  • the grinding elements 3.2, 3.3 and 3.4 are free from the adjacent sieve segments 2.2, 2.3. But they are in the direction of their own longitudinal axis - thus simultaneously in the direction of the axis of the impact rotor 1 - and thus perpendicular to one of the two end walls of the housing 4 extendable.
  • the grinding elements 3.1, 3.2, 3.3, 3.4, 3.5 are, as you see, provided with tooth-like elements, or with strips that extend over the entire length.
  • the length is in practice, for example, two meters.
  • the weight is correspondingly large. Therefore, the grinding elements are difficult to handle.
  • the grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 are divided into lengths.
  • a refining element 3.1, 3.2, 3.3, 3.4 and 3.5 has two longitudinal sections. If the grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 removed because of wear to be replaced with new, so the handling of the divided lengths is of course much easier.
  • the grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 are magnetic at their end faces, so that a north pole of the one element is opposite to a south pole of the other and a certain locking takes place between the two longitudinal sections.
  • the magnetism is dimensioned such that the lock when removing is easily solvable, for example, by jerky pulling out. As an alternative, a claw connection comes into question.
  • the grinding surfaces of the grinding elements 3.1 and 3.5 are designed somewhat differently than those of the other grinding elements 3.2, 3.3, 3.4. In fact, they are slightly curved to form, together with the lateral surface of the Impact rotor 1 to form a nip for the incoming wood chips.
  • FIG. 2 shows the conditions somewhat more precisely.
  • phantom lines screen segment 2.1 and grinding element 3.2 are shown, both in the closed state, i. the outer surface of the impact rotor 1 enveloping, as well as in the unfolded state, in which the screen element 2.1 extends virtually horizontally.
  • the grinding element 3.4 can be moved as the only one of the grinding elements 3.1, 3.2, 3.3, 3.4 and 3.5 in the horizontal direction, in the figure to the left, i. away from the impact rotor 1.
  • a portion of the peripheral wall 4.4, namely wall section 4.4.1 can be moved in the same direction, and indeed so far that the refining element 3.4 can be completely moved out of the housing 4.
  • the entire impact rotor can also be moved at least by a certain distance to the left or remove completely from the housing 9, which can be helpful in repair and maintenance.
  • FIG. 3 again shows details of the impact chipper according to the invention.
  • Sieve 2.1 with it fixed grinding element 3.1 is now clearly visible folded into the horizontal.
  • the peripheral walls 4.1 and 4.2 were also removed, for example, also by folding to the outside.
  • grinding element 3.1 can be easily removed, and it can be a new, unworn refining easily reinstall.
  • a clamping device 7 is provided. This has a clamping handle 7.1, a clamping claw 7.2 and a pivot axis 7.3.
  • the claw 7.2 surrounds a pin 3.1.1, which is fixed to the grinding element 3.1.
  • the clamping device 7 the grinding element 3.1 can be easily and quickly fixed to the screen segment 2.1.
  • the pivoting of the sieve segments 2.1, 2.2, 2.3 and 2.4 can also be done pneumatically or hydraulically.
  • the sieve 2.1, 2.2, 2.3 and 2.4 generally include slotted plates which are directly facing the lateral surface of the impact rotor 1 and parallel to this.
  • the slots run in the circumferential direction.
  • this is not necessarily the case.
  • the design of the screen surface is not the subject of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Crushing And Grinding (AREA)
  • Component Parts Of Construction Machinery (AREA)

Claims (8)

  1. Broyeur à marteaux pour déchiqueter des copeaux comprenant :
    1.1 un rotor à marteaux (1) pourvu d'un arbre de rotor horizontal (1.1) ;
    1.2 une enveloppe l'entourant composée de segments perforés (2.1 à 2.4) et d'éléments broyeurs (3.1 à 3.5) ;
    1.3 les segments perforés (2.1 à 2.4) et les éléments broyeurs (3.1 à 3.5) étant disposés de façon alternée sur le périmètre du rotor et un segment du périmètre du rotor demeurant libre pour permettre l'introduction des copeaux ;
    1.4 un boîtier (4) entourant l'enveloppe, comprenant deux parois avant s'étendant perpendiculairement à l'axe du rotor, une paroi périphérique (4.1, 4.2, 4.3, 4.4, 4.5) ainsi qu'un manchon d'amenée (4.6) des copeaux;
    1.5 au moins quelques segments perforés (2.1 à 2.4) pouvant pivoter autour des axes (I, II, III) s'étendant parallèlement à l'axe du rotor ;
    caractérisé en ce que :
    1.6 quelques éléments broyeurs (3.2 à 3.4) peuvent se déplacer en direction de leur axe longitudinal propre, leur axe longitudinal s'étendant parallèlement à l'axe du rotor ;
    1.7 au moins un des éléments broyeurs (3.1, 3.5) restant peut pivoter conjointement avec un segment perforé (2.1, 2.4) autour de l'axe de rotation concerné.
  2. Broyeur à marteaux selon la revendication 1, caractérisé en ce que :
    2.1 un segment de paroi (4.4.1) de la paroi périphérique (4.4) peut être éloigné du rotor à marteaux (1) ;
    2.2 l'élément broyeur (3.4) se trouvant dans la zone du segment de paroi (4.4.1) éloigné peut être éloigné dans la même direction que le segment de paroi (4.4.1) du rotor à marteaux (1).
  3. Broyeur à marteaux selon l'une des revendications 1 ou 2, caractérisé en ce que des parties de la paroi périphérique (4.1, 4.2, 4.3, 4.4 et 4.5) ou des deux parois avant peuvent être escamotées.
  4. Broyeur à marteaux selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins un des éléments broyeurs (3.1 à 3.5) est divisé en deux segments longitudinaux ou plus.
  5. Broyeur à marteaux selon la revendication 4, caractérisé en ce que les différents segments longitudinaux peuvent être couplés entre eux à l'aide de la force d'un aimant.
  6. Broyeur à marteaux selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'axe de rotation (I, II, III) d'un segment perforé (2.1 à 2.4) pivotant se trouve dans la zone d'un élément broyeur (3.2, 3.3, 3.4).
  7. Broyeur à marteaux selon la revendication 6, caractérisé en ce que l'axe de rotation (I, II, III) concerné se trouve en-dehors de l'élément broyeur (3.2, 3.3, 3.4) concerné dans le plan radial.
  8. Broyeur à marteaux selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les segments perforés (2.1 à 2.4) peuvent être entraînés à l'aide d'actionneurs hydrauliques ou pneumatiques.
EP00108301A 1999-05-06 2000-04-14 Broyeur à marteaux pour déchiqueter Expired - Lifetime EP1050391B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19920884 1999-05-06
DE19920884A DE19920884C1 (de) 1999-05-06 1999-05-06 Schlagzerspaner zum Zerspanen von Hackschnitzeln zu Spänen

Publications (3)

Publication Number Publication Date
EP1050391A2 EP1050391A2 (fr) 2000-11-08
EP1050391A3 EP1050391A3 (fr) 2004-05-19
EP1050391B1 true EP1050391B1 (fr) 2006-10-18

Family

ID=7907186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108301A Expired - Lifetime EP1050391B1 (fr) 1999-05-06 2000-04-14 Broyeur à marteaux pour déchiqueter

Country Status (5)

Country Link
EP (1) EP1050391B1 (fr)
AT (1) ATE342792T1 (fr)
DE (2) DE19920884C1 (fr)
ES (1) ES2272211T3 (fr)
PL (1) PL193720B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1108875C (zh) * 2000-10-10 2003-05-21 李宝君 螺旋体式辊锤粉碎机
DE102007009658B3 (de) 2007-02-22 2008-10-02 Bruks Klöckner GmbH Holzhäckselmaschine
WO2008157346A1 (fr) 2007-06-15 2008-12-24 Black & Decker Inc. Percuteur hybride
DE202007015635U1 (de) * 2007-11-09 2009-03-26 Komptech Gmbh Hackmaschine
DE102012018074A1 (de) * 2012-09-13 2014-03-13 Hogha Gmbh Vorrichtung zum Sortieren von Hackschnitzeln
DE202013012540U1 (de) 2013-04-11 2017-06-09 Haas Holzzerkleinerung- Und Fördertechnik Gmbh Vorrichtung zum Zerkleinern von Stückgut
DE202016001917U1 (de) 2016-03-24 2017-05-26 B. Maier Zerkleinerungstechnik Gmbh Zerkleinerungsmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE704853C (de) * 1937-08-24 1941-04-08 Gustloff Werke Siebhammermuehle
DE2140026A1 (de) * 1971-08-10 1973-02-22 Polysius Ag Hammerbrecher
CH638694A5 (en) * 1979-01-05 1983-10-14 Kurt Gisiger Method for comminuting bulk material and device for carrying out the method
DE3342866C1 (de) * 1983-11-26 1985-09-05 Inter-Wood-Maschinen GmbH & Co KG, 8923 Lechbruck Verfahren und Vorrichtung zum Austauschen von Verschleissteilen einer Rotormuehle
US5062575A (en) * 1989-01-09 1991-11-05 Pennsylvania Crusher Corporation Comminutor with impact, shear and screening sections

Also Published As

Publication number Publication date
PL339999A1 (en) 2000-11-20
EP1050391A3 (fr) 2004-05-19
DE50013623D1 (de) 2006-11-30
DE19920884C1 (de) 2000-04-13
PL193720B1 (pl) 2007-03-30
EP1050391A2 (fr) 2000-11-08
ATE342792T1 (de) 2006-11-15
ES2272211T3 (es) 2007-05-01

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