EP0080621B2 - Papierzerkleinerer und Verfahren zum Betrieb - Google Patents

Papierzerkleinerer und Verfahren zum Betrieb Download PDF

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Publication number
EP0080621B2
EP0080621B2 EP82110359A EP82110359A EP0080621B2 EP 0080621 B2 EP0080621 B2 EP 0080621B2 EP 82110359 A EP82110359 A EP 82110359A EP 82110359 A EP82110359 A EP 82110359A EP 0080621 B2 EP0080621 B2 EP 0080621B2
Authority
EP
European Patent Office
Prior art keywords
rotor
grating
tools
grate
shredding
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
EP82110359A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0080621A2 (de
EP0080621A3 (en
EP0080621B1 (de
Inventor
Karl Probst
Kurt Hüfken
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.)
Lyndex Recycling Systems Ltd
Original Assignee
Lindemann Maschinenfabrik 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
Family has litigation
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Application filed by Lindemann Maschinenfabrik GmbH filed Critical Lindemann Maschinenfabrik GmbH
Publication of EP0080621A2 publication Critical patent/EP0080621A2/de
Publication of EP0080621A3 publication Critical patent/EP0080621A3/de
Application granted granted Critical
Publication of EP0080621B1 publication Critical patent/EP0080621B1/de
Publication of EP0080621B2 publication Critical patent/EP0080621B2/de
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
    • 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
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • 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
    • 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
    • B02C18/22—Feed or discharge means
    • B02C18/2216—Discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material

Definitions

  • the invention relates to a paper shredder with a rotor with a horizontal axis and rotatably mounted in a housing with a filling opening and equipped with shredding tools, with a horizontal axis and with an outlet opening of the housing.
  • Such a paper shredder is known from DE-B-19 28 212, in which one side of the housing surrounding the lower rotor area is equipped with counter tools, while the other side can be swung open by means of a cylinder drive.
  • this shredder works only discontinuously and regulates the degree of shredding via the residence time of the material in the shredder by means of the swing-open housing part.
  • DE-A-915 520 describes a chopper, namely a crushing mill for chopping field crops.
  • the actual shredding process with this device is not caused by tearing, but by breaking and preferably by grinding the crops, which is the optimal shredding treatment for crops.
  • the good, field crops is fundamentally different from the good "paper” in terms of its specific behavior with regard to crushability and the treatment to be based on it.
  • the purpose of this known proposal is to enlarge the abutment mounting area. By folding in the sieve to be swung out, a screening of the ground material is carried out; if this is not necessary, the sieve remains folded down.
  • the material outlet is not below the rotor, but above the rotor center plane, always directly upstream of the material inlet in the direction of rotor rotation. This means, among other things, that all material that has entered the crushing mill must initially pass through more than half of the treatment path with unchangeably narrow grinding tools in the sense of a grinding process, which already achieves a comparatively fine, constructionally uncontrollable degree of grinding.
  • DE-A-2 516 014 describes a shredding machine which is intended for waste and other waste.
  • the rotor is assigned a grinding path which is not permeable but has ribs running approximately parallel to the rotor axis and a grinding grate which is permeable to comminuted material.
  • the grinding grate which has roughly axis-parallel grate bars, can be moved horizontally out of the lower part of the housing on rails.
  • the grinding track and the grating essentially enclose the lower rotor half in the order specified. While the grinding grate should be approximately the same distance from the impact circle of the rotor tools everywhere, it is provided that the distance between the grinding track and the rotor be made smaller in the direction of rotation of the rotor. If there are hard materials that cannot be shredded in the processed material, the grinding track can be swiveled away from the rotor for a short time.
  • the machine known from DE-A-2 516 014 can also be used for crushing coarse comminution material, such as bulky waste, and even for crushing tough comminution material, such as used tires.
  • the crushing takes place essentially through the impact path, while the grinding grate is moved completely out of the action area of the rotor.
  • the grinding path should be arranged just so far from the impact circle of the rotor that a certain amount of re-crushing is effected but there is no fear of the machine blocking.
  • the grinding track and grinding grate are moved out or swung out of the effective range of the rotor and the rotor tools are only brought into engagement with a tear-off comb or an anvil edge.
  • the direction of rotation of the rotor of the known machine must be reversed.
  • the changeover requires a time-consuming and energy-intensive braking of the fast, e.g. with 1500 revolutions per minute, running rotor. It will also be necessary to switch off the rotor if the grinding grate has been moved out of or into the working position.
  • a major disadvantage of the known machine is that the grating in its position moved out of the operating position hinders the removal of the comminuted material.
  • the first half of the grate in the direction of rotation of the rotor is slightly moved away from the rotor when the machine is in operation, a circularly narrowing working area is created between the rotor and the grate, in which, when the machine is used to shred normal waste or paper, the volume that increases greatly during processing would jam well and jam.
  • the second grate basket half is slightly moved away from the impact circle of the rotor tools, there is an opening wedge between the rotor and grate, but the material running off the first grate does not get into the opening wedge at all, but accumulates in front of the removed second grate.
  • the known machine is therefore unsuitable in its design for shredding garbage, paper and similar light material.
  • Paper shredders must be equally suitable for tearing up individual paper, more or less large bundles, whole files and even goods delivered in bags.
  • the size of the shredding is subject to very different requirements depending on the type of goods entered.
  • a relatively coarse shredding, for example, is sufficient if it is only a question of feeding the paper for further processing. In some cases, smooth paper only needs to be processed to make it pressable.
  • considerable demands are placed on the fineness of the shredding when shredding secret or personnel files. The finer the material to be shredded, the greater the time and energy required for the shredding work. It is therefore of interest to be able to adapt the machine to the respective requirements at short notice and with the rotor running. This is especially true when smaller batches of goods of different types have to be processed one after the other. In order to meet these requirements, three successive shredders have been used in practice up to now, and the processed goods have been processed step by step to the desired final state.
  • the invention has for its object to improve the paper shredder mentioned at the outset so that it can shred comminution material of a changing type to a respectively specified fineness with the cheapest possible efficiency, determined by the expenditure of energy, time and the fineness of the chips and converting the requirements accordingly when the rotor is running or is to be adjusted.
  • the grate consists of two halves divided approximately in the vertical plane of the rotor axis and is arranged below the rotor, that the second grate half in the direction of rotation of the rotor is completely out of the effective range of the rotor tools with the release of a discharge path for approximately tangential or horizontal the comminuted material coming in at this point in time, which is ready for use, is to be swung out upwards, and that the first grating half in the direction of rotation of the rotor is to be locked in different swivel positions relative to the impact circle of the rotor tools Adjust the grate half to the impact circle of the rotor tool.
  • both grate halves are brought into the working position on the impact circle of the rotor tools for fine shredding, that with coarse material and / or coarser tearing, the second grate half is rotated out completely in the direction of rotation and that at even larger pieces of material and / or even less fine tearing the first half of the grate, especially gradually, e.g. is gradually swung away from the impact circle of the rotor tools.
  • the paper shredder with the rotor running - this can have, for example, a run-down time of half an hour - all requirements for fineness of the chips produced, processing time and the lowest possible energy expenditure for different types of paper goods can be adapted in a few simple steps.
  • even smaller batches of different types can be processed economically one after the other.
  • the first half of the rust in the direction of rotation of the rotor must be locked in various swivel positions to the impact circle of the rotor tools.
  • the gradual or continuous setting of the first half of the grate in different pivot positions makes it possible to process increasingly coarse material and to achieve increasingly coarse chips.
  • the paper shredder according to the invention includes a rotor 4 with a horizontal axis 5 which rotates quickly in operation in a housing 1 with a filling opening 2 and is equipped with shredding tools 3 and which is to be loaded with the material to be shredded, and a rotor grille 6 arranged below the rotor 4 and 7 existing Auslabrost and an adjoining outlet opening of the housing 1.
  • the two grate halves 6 and 7 are divided approximately in the vertical plane of the rotor axis 5 and essentially enclose the lower rotor half. Furthermore, the grate halves 6 and 7 can be swiveled out laterally by grate axes 8 and 9 which are horizontally mounted approximately at the height of the rotor axis 5.
  • the second grate half 7 should be raised so far above the above-mentioned horizontal tangent that when the first grate half 6 is in use, the rotor 4 or the grate half 6 does not bump horizontally against the second grate half 7.
  • the first grate half 6 in the direction of rotation 15, on the other hand, does not need to be swung out as far as the second grate half 7, but only as far as the dash-dotted position, with the aid of its hydraulic arrangement 13 (along the indicated pivot line), since when the first grate half 7 is lifted off, the comminuted material only needs to be swung out the area of the adjacent vertical tangent of the impact circle 16 falls.
  • the grate halves 6, which are first in the direction of rotation 15, can provide valuable services in various intermediate positions. In the intermediate positions, it may be expedient to raise or lower the counter tools 17 and 18 assigned to the grate half 6, at least in the case of intended continuous operation, according to the distance from the impact circle 16. If the first half of the grate 6 in the direction of rotation 15 is partially or completely pivoted out of the effective area of the impact circle 16 of the rotor tools 3, further tools, e.g. an anvil flap 19 to be retracted or swiveled into the effective range of the impact circle 16 is required. The material is then comminuted between the rotor tools 3, which are pressed radially outward by centrifugal force, for example, and the anvil edge 20. A hydraulic cylinder arrangement 21 can also be provided for adjusting the anvil flap 19.
  • the housing 1 is also made so large in the lower region that the parts which may be swiveled out can be accommodated within the housing and during the Swinging out the operator can not be injured by material thrown from the rotor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP82110359A 1981-12-02 1982-11-10 Papierzerkleinerer und Verfahren zum Betrieb Expired - Lifetime EP0080621B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3147634A DE3147634C2 (de) 1981-12-02 1981-12-02 Papierzerkleinerer und Verfahren zum Betrieb
DE3147634 1981-12-02

Publications (4)

Publication Number Publication Date
EP0080621A2 EP0080621A2 (de) 1983-06-08
EP0080621A3 EP0080621A3 (en) 1984-09-26
EP0080621B1 EP0080621B1 (de) 1986-10-15
EP0080621B2 true EP0080621B2 (de) 1992-04-29

Family

ID=6147671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110359A Expired - Lifetime EP0080621B2 (de) 1981-12-02 1982-11-10 Papierzerkleinerer und Verfahren zum Betrieb

Country Status (5)

Country Link
US (1) US4557421A (enrdf_load_stackoverflow)
EP (1) EP0080621B2 (enrdf_load_stackoverflow)
JP (1) JPS58150443A (enrdf_load_stackoverflow)
DE (2) DE3147634C2 (enrdf_load_stackoverflow)
ES (1) ES8402178A1 (enrdf_load_stackoverflow)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147634C2 (de) 1981-12-02 1984-12-13 Lindemann Maschinenfabrik Gmbh, 4000 Duesseldorf Papierzerkleinerer und Verfahren zum Betrieb
DE3234298C2 (de) * 1982-09-16 1985-12-19 Lindemann Maschinenfabrik GmbH, 4000 Düsseldorf Hammerbrecher
DE3406285A1 (de) * 1984-02-22 1985-10-24 Albert Hoffmann Kg, 5180 Eschweiler Hammerbrecher mit zwischen den rotorscheiben angeordneten haemmern
DE3624826A1 (de) * 1986-07-23 1988-02-04 Lindemann Maschfab Gmbh Rost fuer zerkleinerungsmaschinen
US5215269A (en) * 1988-04-14 1993-06-01 Alberto Pozzato Armor plate for use in a hammer mill
IT1216574B (it) * 1988-04-14 1990-03-08 Pozzato Alberto Breganze Vicen Mulino a martelli, per la frantumazione di minerali e simili.
EP0376011B1 (de) * 1988-12-27 1994-04-20 Thyssen Industrie Ag Gehäuse für eine Schrott-Zerkleinerungsmaschine
US5071080A (en) * 1990-02-27 1991-12-10 Fellowes Manufacturing Company Document shredding machine
US5213273A (en) * 1990-05-21 1993-05-25 Lindemann Maschinenfabrik Gmbh Hammer mill
DE4016295A1 (de) * 1990-05-21 1991-11-28 Lindemann Maschfab Gmbh Hammerbrecher
AU656334B2 (en) * 1990-10-30 1995-02-02 Fukutaro Kataoka Fluidized crusher/drier for use in a fluidized crusher/drier system
FR2677559B1 (fr) * 1991-06-11 1993-10-08 Arnaud Becker Broyeur a marteaux de faible encombrement, pour le dechiquetage d'objets metalliques ou autres, a alimentation basse, automatique et continue.
CH684059A5 (de) * 1991-07-22 1994-07-15 Buehler Ag Schlagmühle.
US5295633A (en) * 1992-01-13 1994-03-22 Fellowes Manufacturing Company Document shredding machine with stripper and cutting mechanism therefore
US5676321A (en) * 1995-04-03 1997-10-14 Fellowes Mfg. Co. Cutting disk
US5636801A (en) * 1995-08-02 1997-06-10 Fellowes Mfg. Co. One piece molded stripper for shredders
US5829697A (en) * 1995-08-24 1998-11-03 Fellowes Manufacturing Company Support for cylinders in a paper shredder
US5655725A (en) * 1995-08-24 1997-08-12 Fellowes Manufacturing Co. Retaining plate for gearing
US5823238A (en) * 1997-01-08 1998-10-20 Bohnke; Dean Backhoe grinder
US5743472A (en) * 1997-01-28 1998-04-28 Williams Patent Crusher & Pulverizer Company Material reduction apparatus
US5911372A (en) * 1997-01-28 1999-06-15 Williams, Jr.; Robert M. Material reduction apparatus
DE29907584U1 (de) * 1999-04-29 1999-07-15 Lindner Maschinenfabrik Gmbh, Spittal Zerkleinerungsvorrichtung für durch Messereinwirkung zerkleinerbares Material
US6357680B1 (en) * 1999-06-16 2002-03-19 Jere F. Irwin Self-feeding comminuting apparatus having improved drive motor features
US7111801B2 (en) * 2001-12-26 2006-09-26 Castronovo Charles A Destroying non-homogeneous loads using zero-clearance cutting systems, double-secondary shredders in zero-clearance cutting systems, and other zero-clearance systems
JP4809238B2 (ja) * 2004-10-21 2011-11-09 日立建機株式会社 木材破砕機
JP4976650B2 (ja) * 2004-12-21 2012-07-18 株式会社御池鐵工所 破砕機
ATE494955T1 (de) * 2007-11-30 2011-01-15 Lindner Manuel Materialzerkleinerer
US9463465B2 (en) 2012-09-06 2016-10-11 Charles A. Castronovo Compact high-security destruction machine
RU2528456C1 (ru) * 2013-04-18 2014-09-20 Закрытое акционерное общество "Машиностроительная компания "Технэкс" Молотковая дробилка
DE102015205642A1 (de) * 2015-03-10 2016-09-15 Alexanderwerk Gmbh Vorrichtung zur Herstellung eines Granulats
DE102017006098B3 (de) * 2017-06-28 2018-12-27 Doppstadt Familienholding Gmbh Zerkleinerungsvorrichtung
CN109127041B (zh) * 2018-08-22 2020-04-28 陈海陆 一种高效环保碎纸机
EP4173716A1 (de) * 2021-10-29 2023-05-03 Comes Maschinen- und Apparatebau GmbH Zerkleinerungsmaschine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB226888A (en) * 1923-10-03 1925-01-05 Jeffrey Mfg Co Improvements in pulverizing, shredding and like machines
DE678451C (de) * 1936-11-02 1939-07-15 Pensylvania Crusher Company Schlaegermuehle
DE704853C (de) * 1937-08-24 1941-04-08 Gustloff Werke Siebhammermuehle
DE915520C (de) * 1951-03-15 1954-07-22 Franz Freudenstein Brechmuehle
US2767929A (en) * 1952-08-08 1956-10-23 Bath Iron Works Corp Reversible hammermill with adjustable upper breaker blocks
AT277725B (de) * 1966-10-07 1970-01-12 Franz Wageneder Prallmühle mit um eine horizontale Welle umlaufendem Rotor und im Mühlengehäuse fest angeordneten Prallplatten, insbesondere für die Steinzerkleinerung bis zur Sandfeinheit
DE1928212A1 (de) * 1969-06-03 1971-01-07 Lindemann Maschfab Gmbh Vorrichtung zum Zerkleinern von Papierballen
FR2063346A5 (enrdf_load_stackoverflow) * 1969-10-09 1971-07-09 Picanol Camps Jean
DE2037104A1 (de) * 1970-07-27 1972-02-03 Hazemag Hartzerkleinerungs und Ze ment Maschinenbau GmbH, 4400 Munster Prallmühle mit gegenüber dem Rotor ein und verstellbarer nachgiebiger Mahlbahn
DE2128106C3 (de) * 1971-06-05 1981-04-02 Lindemann Maschinenfabrik GmbH, 4000 Düsseldorf Vorrichtung zum Zerkleinern von Altpapier
DE2516014C3 (de) * 1975-04-12 1986-05-28 Hazemag Dr. E. Andreas GmbH & Co, 4400 Münster Zerkleinerungsmaschine für Abfälle
US4009836A (en) * 1975-06-30 1977-03-01 American Pulverizer Company Material reducing machine
US4151960A (en) * 1977-11-07 1979-05-01 Conair, Inc. Comminution device
US4385732A (en) * 1980-08-29 1983-05-31 Williams Robert M Waste material breaking and shredding apparatus
DE3046030A1 (de) * 1980-12-06 1982-07-15 Lindemann Maschinenfabrik GmbH, 4000 Düsseldorf Vorrichtung zum zerkleinern von insbesondere altpapier
DE3147634C2 (de) 1981-12-02 1984-12-13 Lindemann Maschinenfabrik Gmbh, 4000 Duesseldorf Papierzerkleinerer und Verfahren zum Betrieb

Also Published As

Publication number Publication date
EP0080621A2 (de) 1983-06-08
DE3147634A1 (de) 1983-06-16
JPS58150443A (ja) 1983-09-07
DE3147634C2 (de) 1984-12-13
JPS625015B2 (enrdf_load_stackoverflow) 1987-02-03
EP0080621A3 (en) 1984-09-26
US4557421A (en) 1985-12-10
ES517846A0 (es) 1984-01-16
DE3273739D1 (en) 1986-11-20
EP0080621B1 (de) 1986-10-15
ES8402178A1 (es) 1984-01-16

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