EP0630686B1 - Dispositif de broyage pour déchets de jardin - Google Patents

Dispositif de broyage pour déchets de jardin Download PDF

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Publication number
EP0630686B1
EP0630686B1 EP94104162A EP94104162A EP0630686B1 EP 0630686 B1 EP0630686 B1 EP 0630686B1 EP 94104162 A EP94104162 A EP 94104162A EP 94104162 A EP94104162 A EP 94104162A EP 0630686 B1 EP0630686 B1 EP 0630686B1
Authority
EP
European Patent Office
Prior art keywords
shredding
plate
garden waste
ribs
shredder according
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.)
Expired - Lifetime
Application number
EP94104162A
Other languages
German (de)
English (en)
Other versions
EP0630686A1 (fr
Inventor
Günter Hilgarth
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.)
Steinmax Werkzeuge GmbH
Original Assignee
Steinmax Werkzeuge 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 Steinmax Werkzeuge GmbH filed Critical Steinmax Werkzeuge GmbH
Publication of EP0630686A1 publication Critical patent/EP0630686A1/fr
Application granted granted Critical
Publication of EP0630686B1 publication Critical patent/EP0630686B1/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
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • 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
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
    • B02C2201/066—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for garden waste

Definitions

  • the invention relates to a garden waste shredder according to the preamble of the main claim.
  • Such a garden waste shredder is known from EP-A-0068353. This is supposed to be lumpy solid wood sections finely chopped material to be processed. The crushing done with flat knives or piercing knives, sitting on the top of the plate. On the bottom of the plate are fan blades for generating a flow of conveying air.
  • garden waste shredders of the above type are also known by EP-A1-0 505 701.
  • garden shredders as a chopper disc regularly Knife carrier disc to be driven all round, the top of which arranged cutting knife with in the shredder housing accordingly built-in abutments interact and thereby chopper material fed in via the feed hopper, that is in particular branch or branch-shaped garden waste, cuts and over in the rotating knife carrier disc
  • Existing passage slots get into the ejector room leaves.
  • the garden waste cut in this way can then be convenient eliminated or composted in a useful way.
  • Such garden shredders are therefore often mistaken referred to as a composter, although for reprocessing or preparation of compost is neither determined nor suitable are.
  • the Tear strips as well as those close to the bottom of the shredder housing Passing cleaning strips are advantageous evenly distributed over the circumference of the drawing plate arranged toothed strips, which are preferably radially offset be arranged to each other that tellerober- and -surface gearing results on the underside.
  • speed ranges of about 1000 to 3000 rpm rotating drawing plates also and straight moist compost and adhering soil are finely ground or torn and flung, whereby this task especially the top on the drawing plate existing toothed ridges falls.
  • they have on the underside existing cleaning strips on the drawing plate Task, through her near the crusher floor circulating blockages due to the to prevent very inclined comminution material on this So make sure that the device is kept clear at all times.
  • each radial line encloses an acute angle sen, depending on the speed between 30 ° at low, about 1000 rpm and 45 ° at higher, about 3000 rpm Speeds of the drawing plate is.
  • the drawing plate is so far below the lower end of the Feed hopper is arranged that the passage distance for the material to be torn between the top edge of the fangs and the housing cover adjacent to the lower hopper end the ejector space is between 10 and 20 mm, the smaller distance at lower ones, around 1000 rpm Speed of the drawing plate and the larger distance at higher speeds, up to 3000 rpm and more should be chosen.
  • a Pre-shredding of rots in the compost Branch pieces or the like stiff parts just above the drawing plate on the latter supporting drive shaft additionally flat pre-shredding knives can be mounted and above their outer entry point to the ejector chamber on the shredder housing one interacting with the rotating knife ends Abutment may be attached.
  • the pre-shredding knives advantageously consist of cutting edges that are mirror images of each other on both sides Double knives, each over the center Fasten screw fastening holes on the drive shaft are.
  • two such can be of identical design Double knife offset by 90 ° to each other become.
  • the tear strips 7 are on the tear plate 9 arranged obliquely radially on the top so that their inner ends 7 ′′ in the circumferential direction 10 of the tear plate 9 seen ahead and with the 7 '' through these ends extending radial 11 include an acute angle ⁇ .
  • this angle ⁇ should be speed-dependent can be selected between 30 ° at low, about 1000 rpm speeds of the drawing plate 9 and 45 ° at higher speeds, around 3000 rpm.
  • the tear strips 7 are as good a tear as also have a spin effect on the material to be shredded.
  • the tear plate 9 in certain speed-dependent distance below the lower end to arrange the hopper 6, so that accordingly Fig.1 the passage distance a for the to be torn Good between the top edge 7 '' 'of the fangs 7' and the housing cover adjacent to the lower hopper end 1 '' of the ejector chamber 5 is between 10 and 20 mm, whereby the smaller distance at low, about 1000 rpm Speeds of the drawing plate 9 and the greater distance at higher, to select speeds of up to 3000 rpm and more is.
  • the material to be shredded is turned upright Leg 15 'of the U-shaped end bracket 15 also additionally accelerated or thrown outwards.
  • This screw fastening becomes axial by the spring washers 16 biased.
  • the plates 17 and 5 shown at the bottom in particular also the abutment plate 18 can be by means of the Screws 19 in the flat frame recesses shown in Fig.2 4 ', 4' 'screw fastened to these recesses after removing the built-in abutment as described above to fill smoothly.
  • the abutment plate 18 is preferred for the one described below, 3 and 4 shown second embodiment used.
  • the compost worker shown in Figures 3 and 4 differentiates differs from that shown in Figures 1 and 2 essentially only in that in addition to the abutment already mentioned 18 also above the drawing plate 9 pre-shredding knives 20 has the same fastening screws 12 and the plug-in sleeves 14 such as the tear plate 9 be mounted on the drive shaft 3.
  • the spacer shown in Fig. 5 is then omitted 13.
  • the pre-shredding knife 20 consist of with Cutting edges 20 'which are mirror images of one another on both sides provided double knives. In the illustrated embodiment are two such, namely identical double knives 20 rotated 90 ° to each other, so that on this Way four evenly distributed over the circumference Knife wings are formed.
  • the central formation of the double knife 20 is again particularly from Fig.5.
  • a centering hole 21 in the center which simplifies assembly
  • two diagonally opposite each other closed screw mounting holes 22 and in addition, two only semicircular bore recesses offset by rotation 23 are present.
  • the two identical double knives by 90 ° attached in a rotationally offset manner that the sleeves 14 and of course also the screws 12 penetrating them alternately a completely closed bore 22 of one and one penetrate semicircular bore 23 of the other double knife 22.
  • This pre-shredding knife 20 can be an effective one Pre-shredding of branches that are present in the compost or similar stiff parts can be made without that thereby the fine division of the compost by underlying drawing plate and its fangs affected becomes.

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

Claims (9)

  1. Broyeur de déchets de jardin comportant un châssis (4) qui porte un moteur d'entraínement et une trémie de chargement (6) pour les produits à broyer, et qui entoure un espace d'éjection inférieur (5), un carter de broyeur (1) qui est disposé sur le châssis (4), entre la trémie de chargement (6) et l'espace d'éjection (5), et un disque broyeur (9) qui doit être monté dans le carter (1) sur un arbre d'entraínement (3) globalement vertical et qui doit être ainsi entraíné en rotation, qui est pourvu, sur sa face supérieure, d'outils broyeurs en forme de nervures s'étendant globalement radialement, et qui, au moins dans la zone de ses outils broyeurs, présente une structure sans fentes de passage, étant précisé qu'il est prévu sur la face inférieure du disque broyeur des nervures de nettoyage (8) qui s'étendent globalement radialement et qui sont destinées à prévenir des obstructions, caractérisé
    1.0 en ce que le broyeur de déchets de jardin est conçu comme un broyeur de compost,
    1.1 les outils broyeurs pour le compost consistant en nervures de déchirement (7) qui présentent des dents de déchirement dressées (7'), et
    1.2 en ce que les nervures de nettoyage sont pourvues de dents dirigées vers le fond du carter, qui vont jusqu'à proximité de celui-ci.
  2. Broyeur de déchets de jardin selon la revendication 1, caractérisé en ce que les nervures de déchirement (7) ainsi que les nervures de nettoyage (8) qui passent près du dessus du fond (1') du carter de broyeur (1) se composent de nervures dentées qui sont réparties régulièrement sur la circonférence du plateau de déchirement (9).
  3. Broyeur de déchets de jardin selon la revendication 2, caractérisé en ce que les nervures dentées (7, 8) sont décalées radialement les unes par rapport aux autres de telle sorte qu'il y ait une denture couvrant la surface, sur les faces supérieure et inférieure du plateau.
  4. Broyeur de déchets de jardin selon la revendication 2, caractérisé en ce que les nervures de déchirement (7) sont disposées sur la face supérieure du plateau de déchirement (9) en biais, radialement, de telle sorte que leurs extrémités intérieures (7'') précèdent leurs extrémités extérieures, dans le sens circonférentiel du plateau de déchirement (9), et définissent avec les lignes radiales (11) passant par ces extrémités (7'') un angle aigu (α) qui, en fonction de la vitesse de rotation du plateau de déchirement (9), est situé entre 30° pour des vitesses de rotation faibles d'environ 1000 tr/min et 45° pour des vitesses de rotation plus élevées d'environ 3000 tr/min.
  5. Broyeur de déchets de jardin selon l'une des revendications 1 à 4, caractérisé en ce que le plateau de déchirement (9) est disposé à une distance suffisante au-dessous de l'extrémité inférieure de la trémie de chargement (6) pour que l'écartement de passage (a) défini pour le produit à broyer entre le bord supérieur (7''') des dents de déchirement (7') et le recouvrement de carter (1''), voisin de l'extrémité de trémie inférieure, prévu pour l'espace d'éjection (5) soit de 10 à 20 mm, l'écartement le plus faible devant être choisi pour les vitesses de rotation du plateau de déchirement (9) les plus faibles, d'environ 1000 tr/min, tandis que l'écartement le plus grand doit être choisi pour les vitesses de rotation les plus élevées, qui vont jusqu'à 3000 tr/ min et plus.
  6. Broyeur de déchets de jardin selon l'une des revendications 1 à 5, caractérisé en ce que des lames de prébroyage (20) posées à plat sont prévues en supplément juste au-dessus du plateau de déchirement (9), sur l'arbre d'entraínement (3) qui porte ce dernier, et une butée (18) qui coopère avec les extrémités de lames tournantes est prévue au-dessus du point d'introduction extérieur desdites lames (20) vers l'espace d'éjection (5), au niveau du carter de broyeur (1).
  7. Broyeur de déchets de jardin selon la revendication 6, caractérisé en ce que les lames de prébroyage (20) se composent de lames doubles qui sont pourvues, des deux côtés, de tranchants (20') disposés de façon symétrique et inversée, et qui doivent être fixées sur l'arbre d'entraínement (3) par l'intermédiaire de trous de fixation de vis (22, 23) situés au milieu.
  8. Broyeur de déchets de jardin selon la revendication 7, caractérisé en ce qu'il est prévu deux lames doubles (20) de même forme et décalées en rotation de 90° l'une par rapport à l'autre.
  9. Broyeur de déchets de jardin selon l'une des revendications 1 à 8, caractérisé en ce qu'il est prévu, au-dessus du plateau de déchirement (9) ou des lames de prébroyage (20), dans leur zone de fixation par vis, une cornière d'extrémité (15) profilée en U qui doit être fixée sur l'arbre d'entraínement (3) grâce à des vis de fixation identiques (12) et dont les branches dressées (15') sont décalées et se trouvent devant les têtes (12') des vis de fixation (12), dans le sens circonférentiel de l'arbre d'entraínement (3).
EP94104162A 1993-03-29 1994-03-17 Dispositif de broyage pour déchets de jardin Expired - Lifetime EP0630686B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9304774U DE9304774U1 (de) 1993-03-29 1993-03-29 Gartenabfallzerkleinerer
DE9304774U 1993-03-29

Publications (2)

Publication Number Publication Date
EP0630686A1 EP0630686A1 (fr) 1994-12-28
EP0630686B1 true EP0630686B1 (fr) 1999-07-21

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ID=6891375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94104162A Expired - Lifetime EP0630686B1 (fr) 1993-03-29 1994-03-17 Dispositif de broyage pour déchets de jardin

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EP (1) EP0630686B1 (fr)
DE (2) DE9304774U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9414619U1 (de) * 1994-09-09 1994-11-17 Viking-Umwelttechnik GmbH, Kufstein Vorrichtung zum Zerkleinern von Gartenabfällen
US11724263B2 (en) * 2019-10-25 2023-08-15 Sesh Technologies Manufacturing Inc. Dual-blade agricultural grinder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH310740A (de) * 1953-04-02 1955-11-15 Bucher Guyer Ag Masch Schneidmühle, insbesondere zur Zerkleinerung von Viehfutter.
DE924405C (de) * 1954-03-18 1955-03-03 Josef Feldmeier Zusatzwerkzeug fuer eine Vorrichtung zum Zerkleinern landwirtschaftlicher Saftfutterpflanzen
DE1779285A1 (de) * 1968-07-26 1971-10-21 Jackering Altenburger Masch Einrichtung zum Zerkleinern
GB1411431A (en) * 1972-01-04 1975-10-22 Watford Eng Ltd Bulk material processing apparatus
DE3125309C2 (de) * 1981-06-27 1986-07-24 Kurt 4513 Belm Rößler Zerkleinerungsvorrichtung für Abfälle
DE3527772A1 (de) * 1985-08-02 1987-02-12 Friedrich Maschke Vorrichtung zum zerkleinern von abfaellen
DE8610547U1 (de) * 1986-04-17 1986-09-25 Rössler, Peter, 7101 Erlenbach Maschine zum Zerkleinern von Holzstücken u.dgl.
DE8807794U1 (de) * 1988-06-15 1989-10-19 Viking-Umwelttechnik GmbH, Kufstein Häcksel- und Schnitzelmaschine
SU1719070A1 (ru) * 1989-07-14 1992-03-15 Всесоюзный Научно-Исследовательский И Проектно-Технологический Институт Нефтяного Машиностроения Устройство дл измельчени пищевых продуктов
DE4110037A1 (de) * 1991-03-27 1992-10-01 Crones & Co Gmbh Gartenhaecksler mit messergehaeuse und darin umlaufend anzutreibenden flachmessern

Also Published As

Publication number Publication date
DE9304774U1 (de) 1993-06-03
DE59408504D1 (de) 1999-08-26
EP0630686A1 (fr) 1994-12-28

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