EP1072314A1 - Form des aktiven Teils eines Messers für einen Messerbrecher - Google Patents

Form des aktiven Teils eines Messers für einen Messerbrecher Download PDF

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Publication number
EP1072314A1
EP1072314A1 EP99420171A EP99420171A EP1072314A1 EP 1072314 A1 EP1072314 A1 EP 1072314A1 EP 99420171 A EP99420171 A EP 99420171A EP 99420171 A EP99420171 A EP 99420171A EP 1072314 A1 EP1072314 A1 EP 1072314A1
Authority
EP
European Patent Office
Prior art keywords
profile
knife
teeth
shape according
profile shape
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.)
Withdrawn
Application number
EP99420171A
Other languages
English (en)
French (fr)
Inventor
Alain Labovreau
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.)
STE MODITEC
Original Assignee
Ste Moditec
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 Ste Moditec filed Critical Ste Moditec
Priority to EP99420171A priority Critical patent/EP1072314A1/de
Publication of EP1072314A1 publication Critical patent/EP1072314A1/de
Withdrawn legal-status Critical Current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
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C18/182—Disc-shaped knives
    • 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 present invention relates to the shape of the part active of a crushing and shredding knife of a shred plastic parts and waste for disposal recycling.
  • the invention aimed at avoiding blockages, increasing and regulate the crushing power and the output of the mill for identical engine power.
  • Economic need aims to reduce the number of human intervention by reducing the number of blockages, to increase the efficiency of crushing and shredding, and improve equipment reliability by reducing fatigue mechanical.
  • FIG. 1 shows a front view and side, a knife.
  • FIG. 2 shows, in partial front view, a variant of the profile of the teeth of the knife.
  • Figure 3 shows in partial front view and in section CC, another variant of the profile of the knife teeth.
  • FIG. 4 represents in front view, another variant of the profile of the teeth of the knife obtained by angular distribution.
  • Figure 5 shows in front and side view, another variant of the knife teeth profile obtained by symmetry.
  • FIG. 6 represents in front and side view, another variant of the profile of the knife teeth obtained by composition of several profiles.
  • FIG. 7 represents in front and side view, another variant of the profile of the teeth of the knife obtained by different layering.
  • a knife (1) fig. 1, has an active part on its projection height H0.
  • This height H0 is divided into several stages (or landings) H1, H2 and H3, which form by offset angular ⁇ 1 and ⁇ 2, cutting teeth (2).
  • the profile of the teeth (2), fig. 1, the knife (1) is such that clearance angles ⁇ , cutting edge ⁇ and sections ⁇ , are calculated to optimize the cutting work.
  • angles ⁇ 1 and ⁇ 2, fig.1, between the different teeth (2) are calculated to distribute the work evenly over 360 ° teeth of one or more rotary knives, mounted on a same axis, and angularly offset if there are more than one,
  • the clearance angle ⁇ , fig. 1 can be calculated so such as the component of the cutting force on a radial plane, directs the waste to be ground towards the axis where the cutting force increases.
  • the profile of the teeth (2), fig. 2, can be provided with a form point (3) intended to pierce (or punch) the material to be shred.
  • the profile of the teeth (2), fig. 3, can be doubled in the thickness of the knife (1), by angular offset ⁇ 3 of a few degrees, to stagger the cutting force on the counter blade, first on stop A, then on stop B; which reduces the intensity of the blow caused by the attack of the two stops at the same time.
  • the profile of the stepped teeth (2), fig. 4, can be distributed angularly several times over 360 ° around the diameter of the knife (1).
  • the profile can be reproduced symmetrically, fig. 5, from so as to obtain a knife (1) with two directions of rotation or reversible.
  • the profile is obtained by an angular offset of the teeth made in the direction of rotation of the knife (1), in reverse compared to previous profiles described.
  • a knife can have a outer diameter of 150 to 500mm, a thickness of 10 to 40mm, and be cut from tool steel, either by flame cutting or by plasma or laser cutting, either by contour milling or by wire cutting.
  • the rotary drive of the knife can be either by a key on a tree or by a tree grooved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP99420171A 1999-07-22 1999-07-22 Form des aktiven Teils eines Messers für einen Messerbrecher Withdrawn EP1072314A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99420171A EP1072314A1 (de) 1999-07-22 1999-07-22 Form des aktiven Teils eines Messers für einen Messerbrecher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99420171A EP1072314A1 (de) 1999-07-22 1999-07-22 Form des aktiven Teils eines Messers für einen Messerbrecher

Publications (1)

Publication Number Publication Date
EP1072314A1 true EP1072314A1 (de) 2001-01-31

Family

ID=8242290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99420171A Withdrawn EP1072314A1 (de) 1999-07-22 1999-07-22 Form des aktiven Teils eines Messers für einen Messerbrecher

Country Status (1)

Country Link
EP (1) EP1072314A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002058851A3 (en) * 2000-10-30 2003-05-01 Badger Bite Co Comminution blade
WO2004035215A1 (de) * 2002-10-10 2004-04-29 Metso Lindemann Gmbh Zerkleinerungsmascine für material beliebiger art, z. b. abfall oder holz
US7500630B2 (en) 2000-10-30 2009-03-10 Badger Shredding Products, Inc. Reversible blade for a comminution machine
DE102013112221A1 (de) * 2013-11-06 2015-05-21 Erdmann Gmbh & Co. Kg Reißerscheibe und Rotorreißer
WO2018091008A1 (de) * 2016-11-16 2018-05-24 Netzsch Pumpen & Systeme Gmbh Scheraggregat zur gewinnung von gluten aus einem stärke- und glutenhaltigen gemisch
WO2024110484A1 (de) * 2022-11-21 2024-05-30 Vogelsang Gmbh & Co. Kg ZERKLEINERUNGSVORRICHTUNG FÜR GRÖßERE FESTSTOFFE

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2420913A1 (de) * 1974-04-30 1975-11-13 Wilhelm Haeberle Zerkleinerungsaggregat
EP0420731A1 (de) * 1989-09-25 1991-04-03 Gérard Courbet Messerbrecher-Zerkleinerer für Abfälle
EP0434975A1 (de) * 1989-11-29 1991-07-03 GUMMIVERWERTUNGS-GmbH (KSB) Grobschnetzelmaschine zum Zerkleinern von Altreifen
WO1991014501A1 (en) * 1990-03-21 1991-10-03 Per Torp An apparatus for reducing materials
WO1997010057A1 (en) * 1995-09-12 1997-03-20 Niro Separation A/S A comminution machine
DE9422104U1 (de) * 1994-07-06 1998-01-22 Svedala Lindemann GmbH, 40231 Düsseldorf Rotorschere zum Zerkleinern von insbesondere sperrigen Abfällen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2420913A1 (de) * 1974-04-30 1975-11-13 Wilhelm Haeberle Zerkleinerungsaggregat
EP0420731A1 (de) * 1989-09-25 1991-04-03 Gérard Courbet Messerbrecher-Zerkleinerer für Abfälle
EP0434975A1 (de) * 1989-11-29 1991-07-03 GUMMIVERWERTUNGS-GmbH (KSB) Grobschnetzelmaschine zum Zerkleinern von Altreifen
WO1991014501A1 (en) * 1990-03-21 1991-10-03 Per Torp An apparatus for reducing materials
DE9422104U1 (de) * 1994-07-06 1998-01-22 Svedala Lindemann GmbH, 40231 Düsseldorf Rotorschere zum Zerkleinern von insbesondere sperrigen Abfällen
WO1997010057A1 (en) * 1995-09-12 1997-03-20 Niro Separation A/S A comminution machine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002058851A3 (en) * 2000-10-30 2003-05-01 Badger Bite Co Comminution blade
US7131606B2 (en) 2000-10-30 2006-11-07 Badger Bite Co. Comminution blade
US7500630B2 (en) 2000-10-30 2009-03-10 Badger Shredding Products, Inc. Reversible blade for a comminution machine
WO2004035215A1 (de) * 2002-10-10 2004-04-29 Metso Lindemann Gmbh Zerkleinerungsmascine für material beliebiger art, z. b. abfall oder holz
GB2410908A (en) * 2002-10-10 2005-08-17 Metso Lindemann Gmbh Grinding machine for all kinds of material, e.g. waste or wood
US7237739B2 (en) 2002-10-10 2007-07-03 Metso Lindemann Gmbh Grinding machine and method of grinding material
DE102013112221A1 (de) * 2013-11-06 2015-05-21 Erdmann Gmbh & Co. Kg Reißerscheibe und Rotorreißer
DE102013112221B4 (de) * 2013-11-06 2018-11-15 Erdmann Gmbh & Co. Kg Reißerscheibe und Rotorreißer
WO2018091008A1 (de) * 2016-11-16 2018-05-24 Netzsch Pumpen & Systeme Gmbh Scheraggregat zur gewinnung von gluten aus einem stärke- und glutenhaltigen gemisch
WO2024110484A1 (de) * 2022-11-21 2024-05-30 Vogelsang Gmbh & Co. Kg ZERKLEINERUNGSVORRICHTUNG FÜR GRÖßERE FESTSTOFFE

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