EP0571359A1 - Appareil de broyage en particulier pour rejets ou débris de construction - Google Patents

Appareil de broyage en particulier pour rejets ou débris de construction Download PDF

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Publication number
EP0571359A1
EP0571359A1 EP93890102A EP93890102A EP0571359A1 EP 0571359 A1 EP0571359 A1 EP 0571359A1 EP 93890102 A EP93890102 A EP 93890102A EP 93890102 A EP93890102 A EP 93890102A EP 0571359 A1 EP0571359 A1 EP 0571359A1
Authority
EP
European Patent Office
Prior art keywords
rotor
crusher
housing
machine according
hammers
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
EP93890102A
Other languages
German (de)
English (en)
Other versions
EP0571359B1 (fr
Inventor
Günter Müller
Bruno Dipl.-Ing. Dr. Haider
Walter Hackmair
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.)
Sbm Wageneder GmbH
Original Assignee
Sbm Wageneder 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 Sbm Wageneder GmbH filed Critical Sbm Wageneder GmbH
Publication of EP0571359A1 publication Critical patent/EP0571359A1/fr
Application granted granted Critical
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Anticipated expiration legal-status Critical
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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
    • B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • 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
    • B02C13/286—Feeding or discharge
    • 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
    • B02C13/286—Feeding or discharge
    • B02C2013/28618—Feeding means
    • B02C2013/28636—Feeding means of conveyor belt type

Definitions

  • the invention relates to a comminution machine, in particular for rejects or demolition parts in construction, according to the preamble of patent claim 1.
  • Comminution machines of this type are known, for example, from US Pat. No. 3,825,192 and have a jaw crusher and a chain conveyor.
  • a disadvantage of these shredding machines is frequent mechanical malfunctions, the end product also being unsatisfactory and ensuring no possibility of immediate recycling.
  • the object of the invention is to provide a comminution machine which, in particular, precast concrete slabs, such as Floor covering elements, broken down into mineral and ferritic components, whereby the mineral components are obtained as bulk material in a constant grain composition and can be recycled.
  • the present invention also has the additional object of achieving a constant supply of the material to be shredded, in particular of floorboard ceiling elements, as a result of which the grain size set is not changed.
  • This object is achieved by the measure according to claim 3.
  • the upper conveyor belt is pivotally mounted about an axis located approximately in the longitudinal center thereof, so that when the lower deflection roller changes, the upper deflection roller is inevitably adjusted to the same extent.
  • the slip which arises in the upper circulating belt can be reduced, so that there is a constant supply of the material to be shredded.
  • the possibility of adjusting the circulating belt according to the invention can also be used to adjust the force which the belt exerts on the material to be conveyed and can thus be adapted to an individual treatment of the material.
  • the feature according to claim 6 is used to readjust the crusher when the hammer is worn.
  • the feature according to claim 7 is used to control the degree of wear of the hammers.
  • the anvil can be used offset by 180 degrees after the wear of one edge.
  • the feature according to claim 9 serves to protect the housing.
  • the feature according to claim 10 offers a further advantage.
  • the shredding machine essentially consists of a crusher B and a loading device C, the two parts of which are accommodated in a housing D.
  • the loading device consists of a lower, endlessly rotating horizontal feed belt 7 and an endlessly rotating friction belt 1, which is directed obliquely downwards in the conveying direction A against the feed belt 7 and is guided over deflection rollers 13, 14.
  • the feed belt 7 is guided over deflection rollers 8, 9, the deflection roller 9 facing the crusher B being driven by a drive shaft 15.
  • the drive shaft 5 is guided in a curved slot 11, the radius of curvature of which passes through the central axis of the crusher B, so that the deflection rollers 14 can be adapted to the thickness of a plate supplied to the crusher B or the like.
  • the shredding machine is intended for shredding plank ceiling panels, which are designated by 39 in FIGS. 1 and 2.
  • hydraulic cylinders 18, 22 are provided which, via a piston rod 19 or 23, a triangular toggle lever 20 or 24, and a link 25 or 4 to the shafts 26 or 5 of the deflection rollers 8 or 9 of the friction band 1 are connected.
  • the hydraulic cylinders 18, 22 with the piston rod 19, 23 and the toggle levers 20, 24 and the links 25, 4 are arranged in pairs and connected to the ends of the shafts 26, 5 protruding from the housing D.
  • the toggle levers 20, 24 are pivotally mounted about the axes 21, 3.
  • the crusher B is designed as a rotor, which has a drive shaft 27, which is mounted on its ends protruding on both sides of the housing D, as shown in FIG. 3, in rockers 30, which are each pivotable about a pin 38 fastened in the housing D on the bottom side are stored.
  • On the drive shaft 27 are arranged at intervals from each other with this coupled to rotation segmented disks 28 (Fig. 4), on which are made of highly wear-resistant cast and largely insensitive to unbreakable foreign bodies hammers 29 swinging about a pivot axis 31.
  • the disk segments 28 are successively offset in pairs by 90 degrees to one another, the hammers 29 each being suspended between a pair of disk segments.
  • three successive groups are provided, each with hammers 29 offset by 90 degrees, the hammers 29 of all groups lying in the same angular position being aligned with one another in a row.
  • the hammers 29 have a width of approximately 120 mm, two blind disks 33 being provided between each two disk segments 28 in the width of the hammer 29.
  • the successive hammers 29 on the circumference of the rotor, each offset by 90 degrees, are, as shown in FIGS. 5 and 6, each offset by a hammer width in the longitudinal direction of the rotor.
  • the hammers 29 During the rotation of the rotor or crusher B, three hammers 29 each hit the material to be shredded side by side. During one revolution of the rotor or crusher B, the hammers 29 break off one line of the material in steps of four sections in the width of the hammers 29. In the area of the hammer 29, the floor cover plate 39 rests on an anvil 6, which in the present case Trap has a square cross-section and can be seated on a shoulder 34 of the housing D in its longitudinal direction and can be rotated about its central axis, so that at least two diametrically opposed edges can be used.
  • anvil 6 when its corner facing the crusher, as indicated by the broken line, is worn, it can be pulled out of the housing D and rotated back into it by 180 degrees, so that its diametrically opposed edge of the worn edge is not worn Edge can be used.
  • a similar arrangement is also made for the hammers 29, in that the hammers 29, when their striking edge is worn out, as shown in dash-dot lines, can be suspended between the disk segments 28 offset by 180 degrees.
  • the crusher B is driven by an electric motor 35 via a multi-strand V-belt 36 onto a V-belt pulley 32, which drives coupled to the drive shaft 27. This sits in curved slots 37 of the housing D, the radius of which goes through the central axis of the pin 38.
  • a hydraulic cylinder 10 provided with a piston 45 is used, which can be pivoted about an axis 12 and is articulated with its piston rod 44 to one of the rockers 30 (FIGS. 1 and 8).
  • the pressure of the piston 45 is in relation to the degree of wear of the hammers 29, so that at the beginning of the piston is in its rear end position and with increasing wear the hammer 29 is advanced in the direction of the arrow E (FIG. 8), at the maximum permissible wear of the hammers 29 has traveled its maximum path, which is limited by a nut 42 which is screwed onto a threaded part 43 of the end of the piston rod 44 protruding from the cylinder 10 and is connected to a sleeve 46, for example by welding, which is via a Ring 47 is supported on the end face of the cylinder 10.
  • the orbit of the hammers 29 is indicated with a dashed circle U in the starting position.
  • the permissible degree of wear of the hammers 29 can be adjusted by adjusting the nut 42.
  • the shredding machine works in a shredding of floorboard panels in the following way:
  • the floorboard panels 39 are fed by a loading device, not shown, to the feed belt 7, which brings the floorboard panels 39 up to the friction belt 1, which is set with its front end so that the slot between Friction belt 1 and feed belt 7 at this point correspond to the thickness of the floor cover plate 39, so that as soon as it enters this slot, it is fed to the crusher B.
  • the friction belt 1 is, as described, infinitely adjustable and runs at the same speed as the feed belt 7.
  • the described arrangement of the hammers 29 creates an uninterrupted cut with a single width, which corresponds to the single width of the hammers 29, thus 120 mm in the present embodiment.
  • the staggered arrangement of the hammers results in a helical processing of the decking slabs.
  • the desired size of the grain of the removed material can be adjusted by adjusting the speed of the crusher and the feed speed of the removed material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing Of Solid Wastes (AREA)
  • Shovels (AREA)
EP93890102A 1992-05-22 1993-05-18 Appareil de broyage en particulier pour rejets ou débris de construction Expired - Lifetime EP0571359B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT106392 1992-05-22
AT1063/92 1992-05-22

Publications (2)

Publication Number Publication Date
EP0571359A1 true EP0571359A1 (fr) 1993-11-24
EP0571359B1 EP0571359B1 (fr) 1996-08-28

Family

ID=3505791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93890102A Expired - Lifetime EP0571359B1 (fr) 1992-05-22 1993-05-18 Appareil de broyage en particulier pour rejets ou débris de construction

Country Status (5)

Country Link
EP (1) EP0571359B1 (fr)
AT (1) ATE141830T1 (fr)
CZ (1) CZ94093A3 (fr)
DE (1) DE59303541D1 (fr)
HU (1) HUT70111A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997046320A1 (fr) * 1996-06-06 1997-12-11 Van Gelder-Stubbeng Pty. Limited Broyeur de dechets

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE671813C (de) * 1938-04-01 1939-02-15 Luebecker Maschb Ges Hammerbrecher, der am Ende eines Bandfoerderers angeordnet ist
GB1075726A (en) * 1965-05-06 1967-07-12 Hazemag Hartzerkleinerung Improvements in or relating to impact mills
US3633833A (en) * 1969-12-04 1972-01-11 Stanley V Ehrlich Machine with self-sharpening means for cutting scrap materials into chips
US3688624A (en) * 1969-11-28 1972-09-05 Gordon W Covey Cutter assembly
GB1353893A (en) * 1970-01-22 1974-05-22 Park Webb Ltd Treatment of waste materials
US3825192A (en) * 1973-01-22 1974-07-23 Jeffrey Galion Inc Feeding mechanism for reduction apparatus
DE2731588A1 (de) * 1977-07-13 1979-01-25 Lindemann Maschfab Gmbh Rotorenschere zum zerkleinern von insbesondere sperrigen abfaellen
EP0015877A1 (fr) * 1979-03-09 1980-09-17 Bühler AG Dispositif de broyage d'ordures et procédé de fonctionnement dudit dispositif
FR2527100A1 (fr) * 1982-05-22 1983-11-25 Krupp Gmbh Installation de broyage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE671813C (de) * 1938-04-01 1939-02-15 Luebecker Maschb Ges Hammerbrecher, der am Ende eines Bandfoerderers angeordnet ist
GB1075726A (en) * 1965-05-06 1967-07-12 Hazemag Hartzerkleinerung Improvements in or relating to impact mills
US3688624A (en) * 1969-11-28 1972-09-05 Gordon W Covey Cutter assembly
US3633833A (en) * 1969-12-04 1972-01-11 Stanley V Ehrlich Machine with self-sharpening means for cutting scrap materials into chips
GB1353893A (en) * 1970-01-22 1974-05-22 Park Webb Ltd Treatment of waste materials
US3825192A (en) * 1973-01-22 1974-07-23 Jeffrey Galion Inc Feeding mechanism for reduction apparatus
DE2731588A1 (de) * 1977-07-13 1979-01-25 Lindemann Maschfab Gmbh Rotorenschere zum zerkleinern von insbesondere sperrigen abfaellen
EP0015877A1 (fr) * 1979-03-09 1980-09-17 Bühler AG Dispositif de broyage d'ordures et procédé de fonctionnement dudit dispositif
FR2527100A1 (fr) * 1982-05-22 1983-11-25 Krupp Gmbh Installation de broyage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997046320A1 (fr) * 1996-06-06 1997-12-11 Van Gelder-Stubbeng Pty. Limited Broyeur de dechets

Also Published As

Publication number Publication date
ATE141830T1 (de) 1996-09-15
HU9301507D0 (en) 1993-09-28
HUT70111A (en) 1995-09-28
EP0571359B1 (fr) 1996-08-28
CZ94093A3 (en) 1994-04-13
DE59303541D1 (de) 1996-10-02

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