EP0505701B1 - Broyeur de déchets de jardin avec enceinte contenant des couteaux plats à entraîner en rotation - Google Patents

Broyeur de déchets de jardin avec enceinte contenant des couteaux plats à entraîner en rotation Download PDF

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Publication number
EP0505701B1
EP0505701B1 EP92102029A EP92102029A EP0505701B1 EP 0505701 B1 EP0505701 B1 EP 0505701B1 EP 92102029 A EP92102029 A EP 92102029A EP 92102029 A EP92102029 A EP 92102029A EP 0505701 B1 EP0505701 B1 EP 0505701B1
Authority
EP
European Patent Office
Prior art keywords
blade
flat
cutting edge
edge portions
flat blades
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
EP92102029A
Other languages
German (de)
English (en)
Other versions
EP0505701A1 (fr
Inventor
Günther 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.)
Crones and Co GmbH
Original Assignee
Crones and Co 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 Crones and Co GmbH filed Critical Crones and Co GmbH
Publication of EP0505701A1 publication Critical patent/EP0505701A1/fr
Application granted granted Critical
Publication of EP0505701B1 publication Critical patent/EP0505701B1/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
    • B02C18/08—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
    • 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
    • B02C18/083—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with a disc rotor having generally radially extending slots or openings bordered with cutting 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
    • 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 shredder with a knife housing, which is arranged on a frame carrying the drive motor and a feed hopper and surrounding a lower ejector chamber, in which knife housing there is a knife carrier disc to be driven around a substantially vertical axis and which has essentially radially extending through slots and above it there is a planer knife arranged flat knives, with an abutment insert arranged in the knife housing, which has a flat and essentially radially extending lower shear bar at the bottom, which cooperates with the knives of the flat knives, the knife knives consisting of knife-cutting sections which extend over a, less than extend half of the partial length range of the lower counter cutting edge interacting with them, at least some of these knife cutting sections being arranged radially offset from one another.
  • Such a garden shredder is known from EP-A-0416315.
  • the object of this known garden shredder is to achieve an improved cutting effect of the flat knives without the cutting process being affected by the user of the garden shredder.
  • this known garden shredder has the disadvantage that the cutting process is effective when the garden waste to be chopped is inhomogeneous, in particular when it concerns both thin branches and thicker branches.
  • a chopping device in which a horizontally mounted cutting blade on a vertically arranged axis of rotation within a grinding chamber is arranged.
  • the blade has depths and sharp notches, increasing the effective blade length and increasing effectiveness.
  • Preferably the blade is angled so that the rotation imparts a downward momentum to the cutting material into the milling chamber.
  • a solid bar or anvil extends diametrically across the milling chamber and the blade is positioned opposite to achieve a highly effective cut.
  • DE-A-127188 discloses a vertical-axis cutting mill for comminuting cutable materials, in which the feed material is fed from above through a feed shaft provided with helical guide rails to the upper end face of the rotor running about a vertical axis, with the rotor arranged on the outside Cutting knives, which interact with fixed housing knives, and a larger number of fangs on the upper face of the rotor between the rotor axis and the inner knife circle.
  • the invention has for its object to provide a garden shredder in which even inhomogeneous garden waste, in particular thin branches in connection with thick branches can be effectively chopped.
  • the knife carrier disc is provided with elevated embossed areas in its sections adjacent to the passage slots, which are opposite the flat knives provided with offset knife cutting sections, which determine the thickness of the shredding material.
  • the desired chip thickness of the comminution material can also be influenced by the fact that the knife carrier disc is provided in its sections adjacent to the passage slots and opposite the flat knives provided with staggered knife-cutting sections with the chip thickness of the comminution material additionally determining the elevated embossing areas.
  • the garden shredder shown only in part in FIGS. 1 and 2 is provided with a knife housing 1, which is arranged on a frame 4 carrying the drive motor 2 together with the gear 3, which also partially surrounds the ejector chamber 5.
  • the knife housing 1 there is the knife carrier disk 7 to be driven in rotation by the motor 2 via the gear 3 and the shaft 6.
  • radially extending through slots 8 and in the circumferential direction 9 arranged behind it flat knives 10 is provided.
  • the pre-comminution knives 11 in the form of two upright and upwardly inwardly curved knife bars 11 ', 11'', which are provided with correspondingly obliquely running cutting edges 11''' in the circumferential direction.
  • an abutment insert 13 with its two-sided fastening feet 13 'is exchangeably fastened in corresponding recesses 12 in the frame 4.
  • This abutment insert 13 consists of one-piece, appropriately shaped iron or steel sheet. This divides the area above the revolving knife carrier disk 7 into a feed area 15 to be fed directly via the feed hopper 14 with the garden waste to be chopped and into the ejector area 16 connected to the ejector space 5. As shown in FIGS.
  • the abutment insert 13 has a flat web part 13 '' which runs flush with its fastening feet 13 'and which comes close to the orbit of the flat knives 10, and an inclined surface 13''', which is angled in relation thereto and has a gate-shaped recess 17 in its area surrounding the pre-comminution knives 11, one of which Gate flank 17 'forms an inner counter-cutting edge which interacts with the cutting edges 11''' of the pre-shredding knife.
  • the abutment insert 13 has a lower shear bar 18, which runs essentially radially, but runs tangentially to the enveloping circle of the pre-shredding knives 11, in order to interact with the flat knives present on the knife carrier disk 10 to act on the garden waste, which is to be chopped, in the feed space 15, in particular also thicker branch material, with retracting, inwardly directed cutting action.
  • the consisting of thin-walled sheet metal or plastic feed or filling hopper 14 has an obliquely upright outer tube 19, which is fixed with it connected foot flange 20 easily replaceable on the knife housing 1 or frame housing 4 rests.
  • the vertical partition 21 on the outer tube 19 rests on the upper part of the angled abutment insert 13 and thus ensures that the feed hopper 14 is sealed off from the ejector chamber 5.
  • the knife carrier disk 7 is provided according to FIG. 3 with four radial passage slots 8 arranged evenly distributed over its circumference and the flat knives 10 located behind it in the direction of rotation 9, which are fastened according to FIG. 4 in pronounced recesses 7 'by means of two fastening screws 22 each.
  • their knife edges 10 'each consist of a plurality of short knife cutting sections 10' ', 10' '', which extend over a partial length range of less than half of the lower counter cutting edge 18 interacting with them and at least some of these knife cutting sections 10 '', 10 '' 'are arranged radially offset from one another. If L is the length of the lower shear bar 18 on the abutment insert 13, the short knife cutting sections 10 ′′, 10 ′′ ′′, measured in the radial direction, should be less than L / 2 wide.
  • the knife carrier disk 7 is in turn provided with four flat knives 10a and 10b which, in the same way as the flat knives described above, are each provided with three knife cutting sections 10 '', 10 '' 'which are offset next to one another are.
  • the knife carrier disc 7 in its areas adjacent to the through-slots 8, on the side opposite the flat knives 10, is additionally provided with the chip thickness D, d of the comminution material, and at elevated embossed areas 7 '' .
  • the desired chip thickness can also be varied. As shown in FIG.
  • thinner branch material A which is brought into the inner position shown by the drawing cut as described above, can be cut through the inner knife cutting section 10 ′′ with a comparatively large chip thickness D
  • the thick branch B lying on the embossing area 7 ′′ with a smaller chip thickness d is cut into strips.
  • the individual flat knives 30 are each provided with toothed strip-shaped cutting edges, the teeth 30 'of which and the tooth gaps 30''between them form the cutting knife sections which are adjacent to one another and offset in height from one another.
  • the flat knives 30 have a flat S-shaped overall Profile and, as shown in particular in Fig. 10, can also be provided with toothed strip-shaped cutting edges on both sides and can therefore also be used as a reversible knife. It is understood that particularly narrow chip strips of different thickness can be obtained in these cases.
  • FIGS. 11 and 12 Another embodiment is illustrated in FIGS. 11 and 12.
  • the narrow knife-edge sections 40 ' are each individually provided on narrow flat knives 40, each of which is assigned correspondingly narrow, largely also self-contained through-slots 8' in the knife carrier disk 7.
  • the material to be chopped is only cut one after the other in a narrow strip shape, the chip thickness depending on the height of the individual knife cutting sections 40 ′ being different or also constant. In this case too, as in the cases described above, the drive power and speeds can be kept comparatively low.

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

Claims (9)

  1. Broyeur pour jardin comportant un carter de lames (1) qui est disposé sur un châssis (4) portant le moteur d'entraînement (2) et une trémie de chargement (14) et entourant un espace d'éjection inférieur (5), et dans lequel est prévu un disque porte-lames (7) qui est destiné à être entraîné en rotation autour d'un axe sensiblement perpendiculaire et qui est pourvu de fentes de passage (8) s'étendant sensiblement radialement et de lames plates (10) disposées comme des fers de rabot au-dessus de celles-ci, et comportant un élément de butée (13) disposé dans le carter de lames (1) et pourvu, en bas, d'une contre-lame inférieure (18) plate et s'étendant sensiblement radialement qui coopère avec les tranchants (10') des lames plates (10), étant précisé que les tranchants (10') se composent de sections de tranchants de lames (10'', 10''') qui s'étendent sur une zone longitudinale partielle égale à moins de la moitié de la contre-lame inférieure (18) coopérant avec lesdites sections, et que quelques-unes au moins de ces sections de tranchants de lames (10'', 10''') sont décalées radialement les unes par rapport aux autres,
       caractérisé en ce que le disque porte-lames (7), dans ses sections qui sont voisines des fentes de passage (8) et qui se trouvent en face des lames plates (10a, 10b) pourvues de sections de tranchants (10'', 10''') décalées, est pourvu de zones frappées surélevées (7'') qui définissent l'épaisseur de coupe (D, d) du matériau à broyer.
  2. Broyeur pour jardin selon la revendication 1, caractérisé en ce que les lames plates (10) sont pourvues de plusieurs sections de tranchants (10'', 10''') juxtaposées mais décalées en hauteur les unes par rapport aux autres (par exemple fig. 2, 3 et 6).
  3. Broyeur pour jardin selon la revendication 2, caractérisé en ce que les sections de tranchants (10'', 10''') prévues sur chaque lame plate (10) forment une arête coupante (10') continue et ondulée ou coudée (fig. 5, 8).
  4. Broyeur pour jardin selon la revendication 3, caractérisé en ce qu'il est prévu, sur le disque porte-lames (7), quatre lames plates (10a, 10b) réparties régulièrement sur sa circonférence et portant chacune trois sections de tranchants (10'', 10''') décalées en hauteur, deux lames plates opposées (10a) étant pourvues d'une section de tranchant (10'') surélevée au milieu, tandis que les deux autres lames plates (10b) sont pourvues de sections de tranchants (10'') surélevées à leurs deux extrémités (fig. 3, 6).
  5. Broyeur pour jardin selon la revendication 3, caractérisé en ce que les lames plates (30) ont une arête coupante dentée dont les dents (30') et les entredents (30'') forment les sections de lames juxtaposées et décalées en hauteur les unes par rapport aux autres (fig. 9, 10).
  6. Broyeur pour jardin selon la revendication 5, caractérisé en ce que les lames plates (30) ont un profil en S plat et sont conçues comme des lames réversibles pourvues d'arêtes coupantes dentées prévues des deux côtés (fig. 10).
  7. Broyeur pour jardin selon la revendication 1, caractérisé en ce que les sections de tranchants (40') sont prévues individuellement sur des lames plates étroites (40) dont quelques-unes au moins, avec leurs fentes de passage (8') associées, se trouvent à une distance différente radialement du milieu (7''') du disque porte-lames (fig. 11).
  8. Broyeur pour jardin selon la revendication 7, caractérisé en ce que les lames plates étroites (40), avec leurs sections de tranchants étroites (40') et les fentes de passage (8') associées, en grande partie à profil fermé et de dimensions proportionnellement étroites, se trouvent sur une trajectoire en spirale (41) entourant le milieu (7''') du disque porte-lames (fig. 11).
  9. Broyeur pour jardin selon l'une des revendications 1 à 8, caractérisé en ce que le disque porte-lames (7), dans sa zone centrale située à l'intérieur des lames plates (10) pourvues des sections de tranchants étroites (10'', 10'''), est pourvu de lames de désintégration préliminaire verticales (11) qui coopèrent avec une contre-lame intérieure (17') s'étendant à la verticale, au niveau de l'élément de butée (13) monté dans le châssis (4) pour pouvoir être changé (fig. 1, 2).
EP92102029A 1991-03-27 1992-02-07 Broyeur de déchets de jardin avec enceinte contenant des couteaux plats à entraîner en rotation Expired - Lifetime EP0505701B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4110037A DE4110037A1 (de) 1991-03-27 1991-03-27 Gartenhaecksler mit messergehaeuse und darin umlaufend anzutreibenden flachmessern
DE4110037 1991-03-27

Publications (2)

Publication Number Publication Date
EP0505701A1 EP0505701A1 (fr) 1992-09-30
EP0505701B1 true EP0505701B1 (fr) 1995-08-09

Family

ID=6428311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92102029A Expired - Lifetime EP0505701B1 (fr) 1991-03-27 1992-02-07 Broyeur de déchets de jardin avec enceinte contenant des couteaux plats à entraîner en rotation

Country Status (4)

Country Link
EP (1) EP0505701B1 (fr)
AT (1) ATE126098T1 (fr)
DE (2) DE4110037A1 (fr)
ES (1) ES2075489T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9304774U1 (de) * 1993-03-29 1993-06-03 Steinmax Werkzeuge GmbH, 8800 Ansbach Gartenabfallzerkleinerer
DE4344676C2 (de) * 1993-12-27 1999-03-18 Atika Maschinenfabrik Wilhelm Zerkleinerungsgerät für Gartenabfälle oder dergleichen
DE4427700C2 (de) * 1994-08-04 1997-09-11 Lescha Maschf Gmbh Vorrichtung zum Häckseln von Gartenabfällen
DE9414619U1 (de) * 1994-09-09 1994-11-17 Viking-Umwelttechnik GmbH, Kufstein Vorrichtung zum Zerkleinern von Gartenabfällen
CN112452477B (zh) * 2020-10-20 2022-06-07 广东绿润环境科技有限公司 一种园林废弃物化料机

Family Cites Families (5)

* 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.
DE1127188B (de) * 1959-10-05 1962-04-05 Alpine Ag Maschinenfabrik U Ei Schneidmuehle
DE3209885A1 (de) * 1982-03-18 1983-09-29 Robert 5378 Blankenheim Müller Vorrichtung zum zerkleinern von strohballen
US4760967A (en) * 1986-11-17 1988-08-02 Bendickson Orrin C Mulcher-chopper
EP0416315B1 (fr) * 1989-09-02 1994-11-30 SABO-Maschinenfabrik GmbH Broyeur pour déchiqueter des débris de jardin, avec un dispositif de coupe

Also Published As

Publication number Publication date
EP0505701A1 (fr) 1992-09-30
ES2075489T3 (es) 1995-10-01
ATE126098T1 (de) 1995-08-15
DE59203157D1 (de) 1995-09-14
DE4110037A1 (de) 1992-10-01

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