EP0006261A1 - Maschine zum Zerkleinern von sperrigem und/oder zähem Gut - Google Patents

Maschine zum Zerkleinern von sperrigem und/oder zähem Gut Download PDF

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Publication number
EP0006261A1
EP0006261A1 EP79200280A EP79200280A EP0006261A1 EP 0006261 A1 EP0006261 A1 EP 0006261A1 EP 79200280 A EP79200280 A EP 79200280A EP 79200280 A EP79200280 A EP 79200280A EP 0006261 A1 EP0006261 A1 EP 0006261A1
Authority
EP
European Patent Office
Prior art keywords
segments
collar
crown
shredding
trunnion
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.)
Granted
Application number
EP79200280A
Other languages
English (en)
French (fr)
Other versions
EP0006261B1 (de
Inventor
Eugène M.A. Baikoff
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.)
Sid Industrielle de la Doux A St-Sulpice S Ste
Original Assignee
Individual
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
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4313686&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0006261(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT79200280T priority Critical patent/ATE1268T1/de
Publication of EP0006261A1 publication Critical patent/EP0006261A1/de
Application granted granted Critical
Publication of EP0006261B1 publication Critical patent/EP0006261B1/de
Expired legal-status Critical Current

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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
    • 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
    • B02C18/182Disc-shaped knives
    • B02C18/184Disc-shaped knives with peripherally arranged demountable cutting tips or elements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S241/00Solid material comminution or disintegration
    • Y10S241/31Rubber preparation

Definitions

  • the present invention relates to a shredder for bulky and / or stubborn parts to be destroyed, in particular for body parts and car tires, comprising two parallel rotary axes arranged to rotate in opposite directions, and which bear, longitudinally alternately on a shaft and on the other, shredding crowns.
  • the toughness that is to say the resistance with respect to the risks of rupture and / or inadmissible deformation, if possible, of the same order of magnitude in the radial direction and in the axial direction.
  • the object of the present invention is to provide a shredder which meets this wish with a very high tenacity of the shredding rings also in the axial direction.
  • the shredder according to the invention achieves this object by its characteristics consisting in that the said crowns are formed of segments of which at least some are shredding segments provided with spouts, all the segments having a profile transverse in the shape of an inverted U which gives them a shape of a yoke making them suitable for covering a circular collar presented, being integral with it, by each tree at a place where it must wear a crown, each segment thus having two flanks which s '' respectively engage on one side and the other of the collar, and fasteners passing through the sides of the segments and the collar to securely fix on the shaft the segments forming the crown, the axial support of the sides of the segments against the collar ensuring the resistance of the crowns with respect to the axial mechanical stresses which occur during operation.
  • the said fixing means are formed of externally smooth pins, provided with a tapping and taking at a end an outer flange forming a trunnion head, of a screw with a tight cylindrical head with pre-stress by screwing at the other end of the trunnion, this screw having a part forming a head which extends beyond the diameter of the trunnion, the sides of the segments comprising corresponding axial bores of the same diameter, with an external recess having the depth and the diameter desired to receive entirely, respectively, the head of the screw and the head of the trunnion, the pre-constrained trunnion-screw assembly is engaged in the said holes in the collar and the sides of the segments, the nut and trunnion heads being entirely inside the recesses of the sides, but its ns axial tightening.
  • Tenacity with regard to specially high radial stresses is obtained by providing, in each segment, at least two said holes in the vicinity of the ends of the segments, the position of the holes in the sides and the collar being determined so that, when the segment is fixed to the collar, the edge, forming a portion of internal cylindrical surface, the sides of the segment is applied against an external cylindrical bearing surface that the shaft has at the locations which are at the feet of the collar.
  • the collars have a thickness slightly greater than one third of the thickness of a crown while each of the two sides has a thickness slightly less than one third of the thickness of the crown, which corresponds to the total thickness of the segments.
  • the shredder comprises a frame 1, made of sections and sheets preferably of steel, and on which are mounted, in a rotary manner, two rotary shafts 2 and 3, each carrying a plurality of shredding rings 4, arranged longitudinally alternately on one shaft and on the other.
  • motors preferably hydraulic motors, 5 and 6, shown schematically in FIG. 2.
  • combs 7 are arranged which prevent the shredded material from going up laterally towards the top of the shredder in case it tends to adhere to the trees and to the shredding crowns.
  • FIGS. 1 and 2 The general constitution and the mode of operation of a shredder such as that shown in FIGS. 1 and 2 being known, (in particular Swiss patent statements Nos. 576,812 and 587,082), we will now describe, in conjunction with FIGS. 3, 3a and 4, the particular constitution of the shredding crowns in the shredder which is the subject of the invention.
  • a crown is formed, for example, as shown in fig. 3, three shredding segments 8 provided with spouts 9 between which there are three spacing segments 10, not provided with spouts.
  • a crown can also, as shown in fig. 3a, be formed of three shredding segments 8a each corresponding to a third of the crown, or else of two shredding segments 8b each corresponding to a half-crown.
  • All the segments that is to say both the shredding segments 8, 8a, 8b and the spacer segments 10, have the profile shown in FIG. 4.
  • This profile is substantially in the form of an inverted U and it can be seen that it gives each segment a form of yoke having two lateral flanks 11.
  • the two shafts 2 and 3 comprise, distributed with a corresponding longitudinal pitch to that of shredder crowns, collars 12 whose width (dimension in the axial direction) corresponds exactly to the width of the "groove" that the inverted U-shaped profile establishes in the segments.
  • Each segment, 8, 10 is thus threaded on a collar portion 12, and its sides 11 come to bear axially against the lateral faces of the collar.
  • the shafts 2 and 3 comprise cylindrical bearing surfaces 16, of a precisely established diameter, against which the concave (or interior) cylindrical surfaces 17 presented by the edges of the sides 11 of the segments 8 and 10 come to bear, thus firmly defining the position of the segment on the shaft and on the collar.
  • Precision holes 18 are established through the collar, in twelve places distributed around the circumference in a manner clearly visible in FIG. 3, that is to say arranged near the two ends of six equal sectors.
  • Holes 19, of identical diameter and identical spacing, are established through the sides of the segments, in the vicinity of the ends thereof. As shown in fig. 4, these bores coincide exactly in the collar and in the sides of the segments disposed on the collars, so that each segment is tenaciously secured to the collar and the shaft which support it.
  • the thickness of the collars 12 and the thickness of the sides 11 of the segments are established so as to give the greatest possible solidity to the anchoring of the segments on the shaft, in particular with regard to axial mechanical stresses.
  • the thickness of the collar 12 is slightly greater than one third of the total thickness of a crown, while the thickness of the sides 11 of the segments is slightly less than one third of the total thickness.
  • the trunnion-screw assembly 13, 14 forms a pre-stressed whole, the screw being stressed in tension while the trunnion is stressed in shearing, this pre-stress ensuring the blocking of the two parts, one with respect to the 'other, that is to say eliminating the risk of seeing the screw 14 unscrewing from the pin 13.
  • the screw head 14 is slotted.
  • the trunnion-screw assembly 13, 14 is made of high-strength steel.
  • the shafts 2 and 3 include surfaces smooth cylindrical 28 forming an "anvil” for the shredding and cutting action of the nozzles 9 of the crown facing them.
  • the positioning of the holes through the collars and through the sides of the segments must be very precise, just as the diameter of these holes must correspond precisely to the outside diameter of the trunnions.
  • the current technique knows means of machining which, with certain precautions, make it possible to obtain the holes in question with the tolerance of diameter and very tight positioning which is essential.
  • the shape of the spouts 9 can be established according to the different possibilities that the prior shredders already knew, depending on the nature of the materials to be shredded. With the construction described above, it is possible to change an isolated segment if it is damaged, without having to dismantle the rest of the segments. It is also possible to provide shredding segments on a crown having different types of beak, and it is also possible to provide different numbers of shredding segments, all of the shredding segments and spacing segments naturally having to always form a circumference complete.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Processing Of Solid Wastes (AREA)
  • Organic Insulating Materials (AREA)
EP79200280A 1978-06-20 1979-06-06 Maschine zum Zerkleinern von sperrigem und/oder zähem Gut Expired EP0006261B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79200280T ATE1268T1 (de) 1978-06-20 1979-06-06 Maschine zum zerkleinern von sperrigem und/oder zaehem gut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH670178A CH621267A5 (de) 1978-06-20 1978-06-20
CH6701/78 1978-06-20

Publications (2)

Publication Number Publication Date
EP0006261A1 true EP0006261A1 (de) 1980-01-09
EP0006261B1 EP0006261B1 (de) 1982-06-30

Family

ID=4313686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79200280A Expired EP0006261B1 (de) 1978-06-20 1979-06-06 Maschine zum Zerkleinern von sperrigem und/oder zähem Gut

Country Status (9)

Country Link
US (1) US4241882A (de)
EP (1) EP0006261B1 (de)
JP (1) JPS5531486A (de)
AT (1) ATE1268T1 (de)
CA (1) CA1134795A (de)
CH (1) CH621267A5 (de)
DE (1) DE2963226D1 (de)
ES (1) ES481658A1 (de)
PT (1) PT69777A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002071A1 (en) * 1981-12-19 1983-06-23 Potts, Alan Mineral sizers
EP0093223A1 (de) * 1982-04-29 1983-11-09 Officina Meccanica Pierangelo Colombo Sektormesser und Wellenantriebseinrichtung, insbesondere für Zerkleinerungsmaschinen und dergleichen
DE3918657A1 (de) * 1989-06-08 1990-12-13 Lindemann Maschfab Gmbh Rotor mit schutzkappen
EP0503198A1 (de) * 1991-03-08 1992-09-16 Kabushiki Kaisha Kinki Zerkleinerer
WO1995008425A1 (en) * 1993-09-20 1995-03-30 Maurice Deschamps Shredding apparatus with shearing action
US5829690A (en) * 1996-06-07 1998-11-03 Sudrohrbau Gmbh & Co. Shredding apparatus with shearing action
EP1023942A1 (de) 1999-01-29 2000-08-02 Société Industrielle de la Doux S.A. Zerkleinerungsvorrichtung mit wenigstens einer drehenden Welle

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3170900D1 (en) * 1981-02-20 1985-07-11 Rieter Ag Maschf Removing cylinder for bales of fibres
US4394983A (en) * 1981-03-02 1983-07-26 Kaca Corporation Tire and refuse shredder
JPS5851319U (ja) * 1981-10-02 1983-04-07 オムロン株式会社 電圧出力回路
ZA829181B (en) * 1981-12-19 1983-10-26 Mmd Design & Consult Mineral sizers
US4603816A (en) * 1982-10-01 1986-08-05 Blower Application Company Rotary shredder
GB8432545D0 (en) * 1984-12-21 1985-02-06 Ofrex Group Plc Shredding machines
US4627581A (en) * 1985-06-24 1986-12-09 Tire-Gator, Inc. Anti-foul device for tire carcass cutting and shredding apparatus
US4726530A (en) * 1985-08-07 1988-02-23 Energy Recovery Systems, Inc. Method of resource recovery from used tires
US4776249A (en) * 1986-10-29 1988-10-11 Barclay Randel L Resharpenable rotary shearing apparatus
DE3829605C2 (de) * 1988-09-01 1994-01-13 Hagemann & Partner Ges Fuer Um Zerkleinerungsvorrichtung für Asbestplatten
US5100069A (en) * 1990-08-27 1992-03-31 Barclay Randel L Hubless interlocking shearing machine with shallow gullet depths
US5145120A (en) * 1991-01-04 1992-09-08 Barclay Randel L Fixed-width shear members for a waste reduction apparatus
US5133236A (en) * 1991-03-29 1992-07-28 Dudley Joseph E Tire cutting tool
US5285707A (en) * 1991-10-11 1994-02-15 Allegheny Paper Shredders, Inc. Tire cutting machine
US5295633A (en) * 1992-01-13 1994-03-22 Fellowes Manufacturing Company Document shredding machine with stripper and cutting mechanism therefore
US5318231A (en) * 1992-10-20 1994-06-07 Norman J. Emanuel Rotary shredding cutters
US5490637A (en) * 1994-03-18 1996-02-13 Golesis; Kyriakos Metal shredding machine
US5722604A (en) * 1995-04-18 1998-03-03 Dudley; Russell D. Metal scrap shredder
US6045072A (en) * 1999-02-25 2000-04-04 Diamond Z Manufacturing Slotted hammermill hammer
US6375106B1 (en) * 2000-05-18 2002-04-23 Ssi Shredding Systems, Inc. Waste reduction machine with replaceable teeth
AU2002246656A1 (en) * 2000-10-30 2002-08-06 Badger Bite Co. Comminution blade
US7500630B2 (en) * 2000-10-30 2009-03-10 Badger Shredding Products, Inc. Reversible blade for a comminution machine
DE202004001956U1 (de) * 2004-02-09 2005-06-30 Doppstadt Calbe Gmbh Messerträger für Zerkleinerungsvorrichtungen
US8409063B2 (en) * 2009-08-11 2013-04-02 Goss International Americas, Inc. Nip rollers with removable disks
NL2009729C2 (nl) * 2012-10-30 2014-05-06 Redexim Handel En Expl Mij Bv Rotoras voor gebruik in een beluchtingsinrichting.
JP2015211935A (ja) * 2014-05-01 2015-11-26 株式会社キンキ 剪断式破砕機用の回転刃及び二軸剪断式破砕機
US10864523B2 (en) * 2014-05-20 2020-12-15 Eco Green Equipment, Llc Shredder blade assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680797A (en) * 1969-11-28 1972-08-01 Gordon W Covey Mill
US3822042A (en) * 1972-01-13 1974-07-02 R Roy Demolition apparatus
CH553004A (de) * 1973-05-23 1974-08-30 Geilinger Stahlbau Ag Zerkleinerungsmaschine, besonders fuer abfaelle.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1058948A (en) * 1912-08-05 1913-04-15 Edward L Clark Crusher-roller for coal-breakers, &c.
US2986349A (en) * 1959-10-30 1961-05-30 American Brake Shoe Co Furnace chunk breaker
US3367585A (en) * 1965-09-28 1968-02-06 Abex Corp Replaceable tip member for a two-part hammer
CH587082A5 (de) * 1974-07-05 1977-04-29 Baikoff Eugene M A

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680797A (en) * 1969-11-28 1972-08-01 Gordon W Covey Mill
US3822042A (en) * 1972-01-13 1974-07-02 R Roy Demolition apparatus
CH553004A (de) * 1973-05-23 1974-08-30 Geilinger Stahlbau Ag Zerkleinerungsmaschine, besonders fuer abfaelle.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002071A1 (en) * 1981-12-19 1983-06-23 Potts, Alan Mineral sizers
EP0093223A1 (de) * 1982-04-29 1983-11-09 Officina Meccanica Pierangelo Colombo Sektormesser und Wellenantriebseinrichtung, insbesondere für Zerkleinerungsmaschinen und dergleichen
DE3918657A1 (de) * 1989-06-08 1990-12-13 Lindemann Maschfab Gmbh Rotor mit schutzkappen
EP0503198A1 (de) * 1991-03-08 1992-09-16 Kabushiki Kaisha Kinki Zerkleinerer
WO1995008425A1 (en) * 1993-09-20 1995-03-30 Maurice Deschamps Shredding apparatus with shearing action
US5829690A (en) * 1996-06-07 1998-11-03 Sudrohrbau Gmbh & Co. Shredding apparatus with shearing action
EP1023942A1 (de) 1999-01-29 2000-08-02 Société Industrielle de la Doux S.A. Zerkleinerungsvorrichtung mit wenigstens einer drehenden Welle
WO2000044499A1 (de) * 1999-01-29 2000-08-03 Sid Societe Industrielle De La Doux S.A. Zerkleinerungsvorrichtung mit wenigstens einer drehenden welle

Also Published As

Publication number Publication date
DE2963226D1 (en) 1982-08-19
JPS5720855B2 (de) 1982-05-01
EP0006261B1 (de) 1982-06-30
ES481658A1 (es) 1980-08-01
US4241882A (en) 1980-12-30
JPS5531486A (en) 1980-03-05
PT69777A (fr) 1979-07-01
ATE1268T1 (de) 1982-07-15
CH621267A5 (de) 1981-01-30
CA1134795A (fr) 1982-11-02

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