EP0605382A1 - Appareil pour le broyage de déchets - Google Patents

Appareil pour le broyage de déchets Download PDF

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Publication number
EP0605382A1
EP0605382A1 EP93890216A EP93890216A EP0605382A1 EP 0605382 A1 EP0605382 A1 EP 0605382A1 EP 93890216 A EP93890216 A EP 93890216A EP 93890216 A EP93890216 A EP 93890216A EP 0605382 A1 EP0605382 A1 EP 0605382A1
Authority
EP
European Patent Office
Prior art keywords
rotor
pressure plate
funnel
feed hopper
side walls
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
EP93890216A
Other languages
German (de)
English (en)
Other versions
EP0605382B1 (fr
Inventor
Manfred Lindner
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.)
Maschinenfabrik Lindner GmbH
Original Assignee
Maschinenfabrik Lindner 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
Priority claimed from AT218492A external-priority patent/AT399670B/de
Priority claimed from AT172793A external-priority patent/AT402804B/de
Application filed by Maschinenfabrik Lindner GmbH filed Critical Maschinenfabrik Lindner GmbH
Publication of EP0605382A1 publication Critical patent/EP0605382A1/fr
Application granted granted Critical
Publication of EP0605382B1 publication Critical patent/EP0605382B1/fr
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
    • B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
    • 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
    • B02C18/2225—Feed means
    • B02C18/2233—Feed means of ram or pusher type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/002—Transporting devices for wood or chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like

Definitions

  • the invention relates to a device for shredding waste, in particular wood waste, residual wood pieces or the like, in which a rotor provided with shredding tools is mounted horizontally in a housing and a feed hopper is provided above the rotor, the material to be shredded by means of a cross to the rotor axis effective pressing device can be fed to the rotor.
  • the rotor is arranged in a stationary manner in the housing and the feed hopper is displaceable above the rotor, the housing region in front of the rotor having vertically extending side walls.
  • Such a design has the disadvantage that the pieces of wood pushed by the pressure plate between the housing side walls towards the rotor tend to spread when a wooden stick is only insignificantly longer than the width of the housing and is spread between the two side walls by one-sided feed. This then leads to a complete stoppage of the feed, so that the machine has to be stopped and the jamming must be remedied.
  • Another disadvantage is that a large mass has to be moved, namely the hopper loaded with material to be shredded, which is guided over the rotor. This means that not only the contact pressure has to be generated by the transport devices which move the funnel, but also the entire weight of the rotor filled with material to be comminuted has to be moved, which additionally requires special guides and the like, in which the remaining pieces of wood can easily become jammed.
  • the funnel is arranged to be stationary, the material to be shredded being pressed against the rotor along the oblique funnel wall.
  • This training is especially for crushing light goods such as paper waste, polystyrene waste and the like.
  • the rotor design is selected accordingly, so that this training is not suitable for hard waste, such as wood waste or pieces of residual wood.
  • the invention has for its object to provide a device of the type mentioned, which is as prone to failure in operation.
  • this object is achieved in that at least the areas of the side walls of the funnel running in the feed direction of the pressure plate, which areas are in the effective or moving range of the pressing device, are inclined upwards outwards. A spreading of pieces of wood between the side walls of the funnel running in the feed direction of the pressure plate is avoided, since when pressure is exerted on an elongated piece of wood, the length of which is only slightly greater than the mutual distance of the side walls, this piece of wood can dodge upwards along the inclined surface.
  • an opening extending across the entire width of the funnel can be provided in the funnel wall opposite the rotor extending pressure plate in the direction of the rotor or is displaceable away from it and wherein on the back of the pressure plate in the region of the upper edge thereof a cover plate extending in the feed direction is attached pointing away from the rotor.
  • the side walls of the funnel running in the feed direction of the pressure plate can be inclined upwards outwards at least up to the height of the axis of rotation of the rotor. This ensures that when the contact pressure is applied in the event of jamming the pieces of wood dodge upwards, which then prevents jamming of longer pieces of wood.
  • the pressure plate can be attached to the end of one or more plungers facing the rotor, the other end of which engages a crossbar running parallel to the pressure plate, which connects the free ends of two pivot levers, the plunger or plugs being curved in a circular arc and the arc center coincides with the pivot point of the pivot levers.
  • the swiveling device takes up less space than a straight-line printing device, so that the devices with a smaller footprint find their end.
  • a hydraulic piston / cylinder unit can be provided for driving the pivot levers, one end of which engages the pivot lever or an extension of the same and the other end of which engages the frame, thereby ensuring that pressure is applied uniformly over both pivot levers, because of: the uniform pressure distribution of a liquid medium both cylinders apply the same pressure.
  • the feed hopper has a pressure plate extending below the rotor axis, the rotor and the feed hopper being displaceable horizontally relative to one another transversely to the rotor axis, the feed hopper being stationary and the rotor together with the housing supporting it being displaceable under the feed hopper , wherein the housing area in front of the rotor, movable under the feed hopper, with the after is provided at the top to obliquely diverging side walls.
  • the diagonally upward diverging side walls of the trough prevent it from spreading further so that when one-sided pressure is exerted on an elongated piece of wood, the length of which is only slightly greater than the width of the trough, this piece of wood dodges obliquely upwards can, which prevents spreading again.
  • Fig. 1 shows schematically the structure of a crushing plant with a horizontal feed of the pressure plate.
  • Fig. 2 is a section along line II-II of Fig. 1 on a larger scale.
  • Fig. 3 illustrates a further embodiment of the subject matter, respectively. with swiveling press ram.
  • Fig. 4 shows the embodiment shown in Fig. 3 with the ram retracted.
  • Fig. 5 is a section along line V-V of Fig. 3rd
  • Fig. 6 shows the device according to the invention in elevation.
  • Fig. 7 shows the detail X of Fig. 6 on a larger scale.
  • Fig. 8 shows the device according to the invention in side view
  • 9a-c illustrate the process sequence when operating the device according to the invention.
  • a counter knife 7 is assigned to this rotor 3 and has cutouts formed according to the knife shape 2.
  • This counter knife is attached to a carrier 8.
  • the counter knife 7 forms the continuation of a base plate 9 of a feed hopper 10.
  • This pressure plate is perpendicular to the base plate 9 and is guided through the side walls 14.
  • the pressure plate is driven by a hydraulic piston / cylinder unit 15, which is supported on a frame part 16 with its end facing away from the pressure plate 13.
  • the pressure plate 13 is followed by a cover plate 17, which extends from the upper edge of the pressure plate 13 to the rear and thus covers the opening that would arise behind the pressure plate 13 upwards and thus prevents the material in the funnel 12 from falling into it.
  • the material to be shredded is fed into the hopper 1 and the rotor 3 is rotated by the motor 4.
  • the material to be shredded is then shredded by the cutting edges 2 and the shearbar 7 and falls into a collecting part (not shown in more detail below).
  • the material to be comminuted is pressed on via the pressure plate 13, which is moved in the direction of the rotor 3 via the piston / cylinder unit 15.
  • the material in front of the pressure plate 13 is held against the rotor in such a way that reliable comminution is possible, but that too much material can recede into the hopper 10 above the rotor. No goods can fall into the back of the pressure plate since the space is closed by the cover plate 17.
  • the base plate 29 of the feed hopper is curved along a cylindrical surface.
  • the pressure plate 33 is on one Pressure stamp 34 is provided, which in the present case is formed by a welded box profile.
  • the pressure plate 33 can be moved through an opening 31 in the wall 32 of the funnel 30 opposite the rotor 23.
  • One wall 35 of the plunger can be moved just above the base plate 29 and has a curvature which is analogous to the curvature of the base plate 29.
  • the other boundary wall of the box section, the wall 36, is also curved along a cylindrical surface, the curvature of the cylindrical surfaces all having one and the same center 37.
  • pivot levers 38 are arranged which carry a cross member 39 which connects the free ends of the levers 38 to one another.
  • the box section 34 engages this cross member 39.
  • the swivel levers 38 can be swiveled via a hydraulic piston / cylinder unit 40, which are articulated at one end to the swivel levers at 41 and at the frame at 42.
  • the lower regions 43 of the side walls 44 running parallel to the pivoting planes of the levers 38 are inclined upwards and outwards, whereas the pressure plate 33 is rectangular.
  • the material to be shredded is entered after the motor 24 has been switched on and the rotor 23 has been rotated, etc. in the position shown in Fig. 3 of the pivot lever.
  • the hydraulic piston / cylinder unit is then pressurized in such a way that the piston / cylinder unit is shortened, as a result of which the pivot levers 38 are pivoted clockwise as seen in FIG. 3, as a result of which the pressure plate 33 presses the material to be comminuted onto the rotor 23. whereby the material is comminuted by the knives 22 and the counter-cutting knives 27.
  • the comminuted material falls into a receiving device 45, from which it is discharged with a screw 46.
  • vertical uprights 52 are fixedly arranged on a foundation 51 and carry a feed hopper 53.
  • a movable housing part 54 is provided below the feed hopper 53, which carries a rotor 55 provided with comminution tools 56.
  • the Upstream of the rotor is a receiving trough for the material to be shredded, the side walls of which are designated 57 and the bottom of which is designated 57 '.
  • the side walls of the feed hopper 53 lie directly above the upper edges of the side walls 57.
  • the side walls 57 of the receiving trough diverge upwards from the bottom 57 'as partial counter-cutting for the outermost comminution tools 56.
  • a support plate 58 is provided downstream of the rotor, which runs horizontally and is arranged in the upper cutting plane of the rotor. This support plate is firmly connected to the movable housing part 54 and movable with it.
  • An ejector 59 is provided below the rotor 55, which feeds the comminuted particles to a discharge device (not shown).
  • This discharge device can be of any type, the conveying direction being arranged in the direction of movement of the housing part 54.
  • the rear wall of the feed hopper 60 in the feed direction of the housing 54 is pulled down to the bottom 57 'of the receiving trough for material to be shredded, which is indicated by 61 in FIGS. 4a-c, and acts as a pressure plate 60'.
  • FIGS. 9a-c The mode of operation of the device according to the invention is described below with reference to FIGS. 9a-c.
  • Fig. 9a the beginning of the crushing and the feed movement of the housing part 54 is indicated.
  • the shredded tools 56 shred the discarded wood into small pieces and bring it into the removal device (not shown) through the ejection 59.
  • the housing part 54 is advanced in the direction of the arrow P according to FIG. 9b at a speed which corresponds to the shredding power of the rotor with the shredding tools 56.
  • the material 61 to be comminuted which remains above the movement path of the rotor 55 remains on the support plate 58 and slides thereon in accordance with the feed movement of the housing part 54. Such a central position is shown in FIG.
  • the housing part 54 is advanced in the direction of the arrow P until the end position shown in FIG. 9c is reached, in which the end wall of the feed hopper 53 comes to lie directly in front of the rotor 55.
  • the material 61 to be shredded remaining in the feed hopper 53 then lies entirely on the support plate 58.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Disintegrating Or Milling (AREA)
EP93890216A 1992-11-04 1993-11-03 Appareil pour le broyage de déchets Expired - Lifetime EP0605382B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT2184/92 1992-11-04
AT218492A AT399670B (de) 1992-11-04 1992-11-04 Vorrichtung zum zerkleinern von abfällen
AT1727/93 1993-08-27
AT172793A AT402804B (de) 1993-08-27 1993-08-27 Vorrichtung zum zerkleinern von abfällen

Publications (2)

Publication Number Publication Date
EP0605382A1 true EP0605382A1 (fr) 1994-07-06
EP0605382B1 EP0605382B1 (fr) 1997-03-12

Family

ID=25596654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93890216A Expired - Lifetime EP0605382B1 (fr) 1992-11-04 1993-11-03 Appareil pour le broyage de déchets

Country Status (5)

Country Link
EP (1) EP0605382B1 (fr)
AT (1) ATE149907T1 (fr)
DE (1) DE59305760D1 (fr)
DK (1) DK0605382T3 (fr)
ES (1) ES2102001T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785205A1 (fr) 1998-10-30 2000-05-05 Phenix Ind Dispositif de broyage de dechets
EP1048353A1 (fr) * 1999-04-30 2000-11-02 Weima Maschinenbau GmbH Appareil broyeur
EP1048356A1 (fr) * 1999-04-30 2000-11-02 Weima Maschinenbau GmbH Broyeur déchiqueteur
EP1050340A1 (fr) * 1999-04-29 2000-11-08 MASCHINENFABRIK LINDNER GESELLSCHAFT m.b.H. Dispositif de broyage pour matière à broyer sous l'action de couteaux, comportant un rotor monté dans un carter
AT407225B (de) * 1996-04-09 2001-01-25 Weima Maschb Gmbh Zerkleinerungsmaschine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410762B (de) * 2001-01-15 2003-07-25 Bacher Helmut Vorrichtung zur zerkleinerung von abfallgut, insbesondere kunststoffabfällen, und verfahren zu ihrem betrieb

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1515377A (en) * 1924-01-02 1924-11-11 White James Bertwell Stock cutter
US1795064A (en) * 1929-04-12 1931-03-03 Oswego Board Corp Machine for producing wood pulp
US3863848A (en) * 1974-01-02 1975-02-04 David J Mashuda Giant Tree Chopper
US4205798A (en) * 1976-01-30 1980-06-03 Erik Borje Bang Machine for producing of long chips of wood by shearing stresses
DE4011670A1 (de) * 1989-04-13 1990-10-18 Poettinger Alois Landmasch Zufuehrvorrichtung
DE4026795A1 (de) * 1989-08-30 1991-03-07 Manfred Lindner Restholzzerkleinerungsmaschine
DE4000887A1 (de) * 1990-01-13 1991-07-18 Karl Ackermann Vorrichtung zum zerkleinern von material aller art, insbesondere brennbarer abfall wie stangenholz und aeste

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1515377A (en) * 1924-01-02 1924-11-11 White James Bertwell Stock cutter
US1795064A (en) * 1929-04-12 1931-03-03 Oswego Board Corp Machine for producing wood pulp
US3863848A (en) * 1974-01-02 1975-02-04 David J Mashuda Giant Tree Chopper
US4205798A (en) * 1976-01-30 1980-06-03 Erik Borje Bang Machine for producing of long chips of wood by shearing stresses
DE4011670A1 (de) * 1989-04-13 1990-10-18 Poettinger Alois Landmasch Zufuehrvorrichtung
DE4026795A1 (de) * 1989-08-30 1991-03-07 Manfred Lindner Restholzzerkleinerungsmaschine
DE4000887A1 (de) * 1990-01-13 1991-07-18 Karl Ackermann Vorrichtung zum zerkleinern von material aller art, insbesondere brennbarer abfall wie stangenholz und aeste

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407225B (de) * 1996-04-09 2001-01-25 Weima Maschb Gmbh Zerkleinerungsmaschine
FR2785205A1 (fr) 1998-10-30 2000-05-05 Phenix Ind Dispositif de broyage de dechets
EP1050340A1 (fr) * 1999-04-29 2000-11-08 MASCHINENFABRIK LINDNER GESELLSCHAFT m.b.H. Dispositif de broyage pour matière à broyer sous l'action de couteaux, comportant un rotor monté dans un carter
EP1048353A1 (fr) * 1999-04-30 2000-11-02 Weima Maschinenbau GmbH Appareil broyeur
EP1048356A1 (fr) * 1999-04-30 2000-11-02 Weima Maschinenbau GmbH Broyeur déchiqueteur

Also Published As

Publication number Publication date
DE59305760D1 (de) 1997-04-17
DK0605382T3 (da) 1997-09-08
ATE149907T1 (de) 1997-03-15
EP0605382B1 (fr) 1997-03-12
ES2102001T3 (es) 1997-07-16

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