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EP1690596A1 - Shredder for refuse materials - Google Patents

Shredder for refuse materials Download PDF

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Publication number
EP1690596A1
EP1690596A1 EP06002625A EP06002625A EP1690596A1 EP 1690596 A1 EP1690596 A1 EP 1690596A1 EP 06002625 A EP06002625 A EP 06002625A EP 06002625 A EP06002625 A EP 06002625A EP 1690596 A1 EP1690596 A1 EP 1690596A1
Authority
EP
European Patent Office
Prior art keywords
shredder
shaft
grinding wheels
tank
refuse materials
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Withdrawn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
EP06002625A
Other languages
German (de)
French (fr)
Inventor
Paolo c/o FRANZOI METALMECCANICA S.R.L. Franzoi
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.)
Franzoi Metalmeccanica Srl
Original Assignee
Franzoi Metalmeccanica Srl
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 Franzoi Metalmeccanica Srl filed Critical Franzoi Metalmeccanica Srl
Publication of EP1690596A1 publication Critical patent/EP1690596A1/en
Withdrawn legal-status Critical Current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
    • 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
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies

Definitions

  • the present invention relates to a shredder.
  • Shredders for refuse materials consisting of a tank of inverted frusto-pyramidal shape with an open side and with its end walls supporting two parallel shafts connected to two counter-rotating electric motors.
  • a plurality of spacers and three-lobed grinding wheels are alternately fixed rigidly to each shaft, each grinding wheel of each shaft facing a spacer of the other shaft and penetrating it comb-like.
  • the shredder of the invention comprises substantially an open tank 2 of inverted frusto-pyramidal shape with two parallel end walls 4, 4' which by way of bearings 6 support two parallel shafts 8, 8' rigidly fixed to the shafts of two counter-rotating electric motors 10.
  • a plurality of three-lobed grinding wheels 12 with interposed spacers 14 are fixed to each shaft such that the grinding wheels 12 of each shaft 8 face the spacers 14 of the other shaft 8' and mutually copenetrate comb-like.
  • the bearings 6 supporting one of the two shafts 8 are mounted within plates 16 which are slidable relative to the walls 4 along guides 20 and are rigid with the piston rods 22 of hydraulic cylinder-piston units 24.
  • shredder is traditional, the material being fed into the tank and shredded by the action of the grinding wheels 12.
  • the piston rods 22 of the two hydraulic cylinder-piston units 24 are made to extend or retract to vary the distance between the axes of the two shafts 8. 8'.

Landscapes

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

Abstract

A shredder for refuse materials, comprising a tank (2) with an open side, its end walls supporting two parallel shafts (8, 8') provided with mutually co-penetrating grinding wheels (12) rigid with two counter-rotating motors (10), characterised by comprising means for moving one shaft (8') away from and towards the other shaft (8).

Description

  • The present invention relates to a shredder.
  • Shredders for refuse materials are known consisting of a tank of inverted frusto-pyramidal shape with an open side and with its end walls supporting two parallel shafts connected to two counter-rotating electric motors.
  • A plurality of spacers and three-lobed grinding wheels are alternately fixed rigidly to each shaft, each grinding wheel of each shaft facing a spacer of the other shaft and penetrating it comb-like.
  • These known shredders have however the drawback of providing an exit material of constant size linked to the passage gap between the grinding wheel and spacer, to vary the size it being necessary to replace the grinding wheels or spacers, with considerable time loss and laborious work.
  • According to the invention this drawback is eliminated by a shredder for refuse materials, as described in claim 1.
  • The invention is described in detail hereinafter with reference to the accompanying drawings, in which:
    • Figure 1 is a plan view of a shredder according to the invention, and
    • Figure 2 is an enlarged front view in the direction II-II of Figure 1.
  • As can be seen from the figures the shredder of the invention comprises substantially an open tank 2 of inverted frusto-pyramidal shape with two parallel end walls 4, 4' which by way of bearings 6 support two parallel shafts 8, 8' rigidly fixed to the shafts of two counter-rotating electric motors 10.
  • A plurality of three-lobed grinding wheels 12 with interposed spacers 14 are fixed to each shaft such that the grinding wheels 12 of each shaft 8 face the spacers 14 of the other shaft 8' and mutually copenetrate comb-like.
  • The bearings 6 supporting one of the two shafts 8 are mounted within plates 16 which are slidable relative to the walls 4 along guides 20 and are rigid with the piston rods 22 of hydraulic cylinder-piston units 24.
  • The use of the shredder is traditional, the material being fed into the tank and shredded by the action of the grinding wheels 12.
  • When the shredding size produced by the grinding wheel is to be changed, the piston rods 22 of the two hydraulic cylinder-piston units 24 are made to extend or retract to vary the distance between the axes of the two shafts 8. 8'.

Claims (4)

  1. A shredder for refuse materials, comprising a tank (2) with an open side, its end walls supporting two parallel shafts (8, 8') provided with mutually co-penetrating grinding wheels (12) rigid with two counter-rotating motors (10), characterised by comprising means for moving one shaft (8') away from and towards the other shaft (8).
  2. A shredder as claimed in claim 1, characterised in that said means consist of hydraulic cylinder-piston units (24), with their axis transverse to the shaft axis.
  3. A shredder as claimed in claim 1, characterised in that said shafts are mounted within a plate (16) slidable along the tank ends.
  4. A shredder as claimed in claim 1, characterised in that the grinding wheels are of three-lobed type.
EP06002625A 2005-02-15 2006-02-09 Shredder for refuse materials Withdrawn EP1690596A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVE20050002 ITVE20050002U1 (en) 2005-02-15 2005-02-15 SHREDDER

Publications (1)

Publication Number Publication Date
EP1690596A1 true EP1690596A1 (en) 2006-08-16

Family

ID=36129788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06002625A Withdrawn EP1690596A1 (en) 2005-02-15 2006-02-09 Shredder for refuse materials

Country Status (2)

Country Link
EP (1) EP1690596A1 (en)
IT (1) ITVE20050002U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104941729A (en) * 2015-06-16 2015-09-30 顾广才 Movable efficient crusher for ceramic production
CN104941775A (en) * 2015-06-16 2015-09-30 顾广才 Movable crusher for ceramic production
WO2016207714A1 (en) * 2015-06-25 2016-12-29 Rem Holding Limited Waste compacting device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433498A1 (en) * 1989-12-13 1991-06-26 Satake Engineering Co., Ltd. Milling apparatus and system therefor
EP0740962A1 (en) * 1995-05-04 1996-11-06 INGENIEURBÜRO FRANZ VOGEL GmbH Arrangement for coarse crushing of ceramic materials
EP0876843A1 (en) * 1997-05-10 1998-11-11 HAMMEL Recyclingtechnik GmbH Material crushing device
US6092753A (en) * 1993-06-01 2000-07-25 Koenig; Larry E. Material processing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433498A1 (en) * 1989-12-13 1991-06-26 Satake Engineering Co., Ltd. Milling apparatus and system therefor
US6092753A (en) * 1993-06-01 2000-07-25 Koenig; Larry E. Material processing apparatus
EP0740962A1 (en) * 1995-05-04 1996-11-06 INGENIEURBÜRO FRANZ VOGEL GmbH Arrangement for coarse crushing of ceramic materials
EP0876843A1 (en) * 1997-05-10 1998-11-11 HAMMEL Recyclingtechnik GmbH Material crushing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104941729A (en) * 2015-06-16 2015-09-30 顾广才 Movable efficient crusher for ceramic production
CN104941775A (en) * 2015-06-16 2015-09-30 顾广才 Movable crusher for ceramic production
WO2016207714A1 (en) * 2015-06-25 2016-12-29 Rem Holding Limited Waste compacting device

Also Published As

Publication number Publication date
ITVE20050002U1 (en) 2006-08-16

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