EP0907417B1 - Häcksler - Google Patents
Häcksler Download PDFInfo
- Publication number
- EP0907417B1 EP0907417B1 EP97929231A EP97929231A EP0907417B1 EP 0907417 B1 EP0907417 B1 EP 0907417B1 EP 97929231 A EP97929231 A EP 97929231A EP 97929231 A EP97929231 A EP 97929231A EP 0907417 B1 EP0907417 B1 EP 0907417B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- milling drum
- opposing body
- teeth
- counter body
- 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
Links
- 238000005520 cutting process Methods 0.000 claims description 28
- 239000010921 garden waste Substances 0.000 claims description 5
- 238000003801 milling Methods 0.000 description 37
- 239000000463 material Substances 0.000 description 20
- 239000002699 waste material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
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
- B02C18/144—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with axially elongated 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
- 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
- B02C18/186—Axially elongated 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 shredder for garden waste or the like with the features in the preamble of Main claim.
- Such a chopper is known from DE-A-43 44 738. It has a rotating driven milling drum that works with a rotatable counter roller arranged in parallel cooperates. The two rollers are free of gaps arranged and touching on the surface, the Slide milling cutter teeth along the surface of the counter roller. There is also a gusset between the rollers Arranged body of the chopped material to the rollers lead and ensure self-retirement. The Chopped material is pressed against the contact body, whereby Frictional forces arise that oppose the feed are. Accordingly, the previously known chopper needs a relatively high engine power. It also arises considerable wear. The well-known shredder requires constant maintenance and readjustment of the Roller distances and an adjustment of the system body.
- DE-A-44 44 977 shows another chopper with two Milling drums, the milling teeth of which are laterally offset from one another stand and are arranged on gap. This arrangement has the same disadvantages as the above of the technique.
- DE-U-93 19 071 shows a cutter for Garden shredder with two milling drums, their teeth comb together. The cutting edges slide on along the back of the opposite teeth. At the bottom outlet-side gusset is triangular in cross section Counter body present on which the chopped material is additionally should be crushed. This cutter arrangement needs a particularly exact setting and adjustment of the Roller axes, which must also be constantly adjusted. Self-closing is problematic with this arrangement.
- DE-A 43 26 093 discloses another chopper consists of a single cutter blade that runs along a drop-shaped curve over a suitable one Crank drive is moved and the chopped material against press a rotatable counter roller while peeling to separate. With this arrangement there is no self-closing of the chopped material. It is also a high one Engine power required. The cutting engagement exists maximum over 25% of the knife movement. The remaining 75% are idle. This arrangement also tends to Vibrations as well as a significant Noise. It is also special susceptible to wear and maintenance.
- US-A-5,320,287 shows a paper shredder with a Punching roll and a counter roll facing each other at the Touch contact point.
- the rotating one Punching roller has crossed blades on the outside that together form a honeycomb structure on the circumference of the roller. At In the honeycomb structure, all blades have the same distance from the axis of rotation, so that the roller shell one in has a substantially uniform diameter.
- the Knife roller acts like a punch or like a kind Hole punches that use the blade honeycomb to hold the paper against the Press the soft surface of the counter roller while pressing the Punch free paper chips all around.
- Such Die-cutting roller is only for garden waste and included completely different material thicknesses do not occur suitable.
- the cutting tool consists of a rotating plate with one or more upright knives. Such chopper need high drive power, rotate at high Speed and cause noise. Is problematic also accident safety.
- the cutting tool is in the chopper according to the invention designed as a slowly rotating milling drum. You needed low engine power and causes little Noise. The chopped material becomes slow, continuous and moved in automatically.
- the milling drum chopper is a Quiet shredder.
- the milling drum works with a movable counter body together, preferably as a freely rotatable roller is trained.
- the rotating counter body is through Cutting / tooth engagement rotated with the milling drum.
- the both parts form a nip or gusset walls moving on both sides, in which the chopped material is safe and is drawn in with little friction.
- the arrangement of Baffles etc. over the gusset are not necessary.
- the low-friction leadership is one of the reasons for that low power and energy consumption of the chopper.
- This embodiment allows the drive power to be reduced even further or to the maximum to significantly increase the chopping branch diameter.
- the Area of application thus extends to performance regions, in those of conventional three-phase choppers required are.
- the chopper according to the invention is subject to very little wear.
- the Penetration depth of the cutter teeth in the counter body preferably in the viscoelastic range of Roll material. On the one hand, this ensures a safe cutting of the chopped material and reduced on the other hand the wear.
- the milling drum and the Counterparts can be fixed with their axes and do not need any special delivery and Adjustment mechanisms.
- the cutting tool according to the invention is therefore particularly low maintenance, reliable and economically.
- Figure 1 shows a chopper (1) for garden waste or like other materials. It consists of one Housing (2) containing a motor (14) and a cutting tool (3) records. The housing (2) rests on a frame (28) and has a handle at the top (27). The garden waste will fed via an overhead funnel (25) through a vertical feed pipe (26) onto the Cutting tool (3) and from there after Shred over a vertical one below Throw chute (24) ejected again.
- the cutting tool (3) consists of at least one Milling drum (4) with a movable and preferably roller-shaped counter body (8) interacts. Both bodies (4,8) rotate around an essentially horizontal one Axis (5.9).
- the milling drum (4) is driven by a motor (14) driven.
- the counter body (8) is preferably free rotatably mounted.
- the two axes (5,9) are open of equal height and spaced apart.
- the two rollers (4, 8) preferably have the same Outer diameter. They are essentially transverse to that vertical feed and ejection direction (12).
- the milling drum (4) has several evenly distributed around the circumference Milling teeth (6). Their cutting edges form one with the other Envelope circle (7) around the milling cutter axis (5).
- the milling drum (4) stands at least with the counter body (8) at times in the cutting intervention.
- the milling drum (4) and the Counterparts (8) are rigid in one with their axes (5,9) surrounding cutting housing (11) mounted. Your horizontal The center distance is smaller than the sum of the radii of Counter body (8) and enveloping circle (7).
- Figure 2 shows this Assignment.
- the cutter teeth (6) engage or engage in a form-fitting manner the jacket of the counter body (8) and take it with you.
- the counter body (8) is preferably a solid or hollow roller made of plastic. she has a relatively soft jacket into which the cutter teeth (6) can penetrate or dig in.
- the overlap of the enveloping circle (7) and counter body (8) and the depth of penetration of the milling teeth (6) is small and are preferably viscoelastic reversible Area of the roll material. Few can do this Be hundredths to tenths of a millimeter. By doing so the cutter teeth (6) only temporarily and approximately in the amount of two axes (5,9) in the counter body (8). They cut or press small notches into the roller shell. she but do not peel it off due to the carry-along movement. The Driving and temporarily synchronous rotation of the counter body (8) takes place on the one hand through the tooth mesh and on the other others through the accompanying waste.
- the milling drum (4) and the rotating counter body (8) form a preferably symmetrical gusset (10) or Pinch gap in which the supplied from the direction (12) Waste collected, crushed and also from the Cutter teeth (6) are cut off.
- the gusset (10) is open at the top and freely accessible, with additional Control devices are not required. Usually there are always two cutter teeth (6) with the chopped material in the Intervention and ensure the self-feeding of the goods.
- the Rotate cutter teeth (6) and the counter body (8) in opposite directions to the gusset foot.
- Figure 2 illustrates the counterclockwise forward rotation (13) of milling drum (4) and the right turn (13) of the counter body (8).
- the waste is rotated by the rotating counter body (8) taken on both sides of the gusset (10) and promoted with little friction.
- the frictional resistance of the waste is therefore much less than a rigid one Baffle or the like, on which the waste from the milling drum (4) pressed and pulled along. This diminishes the required drive power quite considerably.
- the counter body (8) is on the edge of the cutting housing (11) arranged and can be a piece through a side opening protrude outdoors. Any adhering chopped material can through the ones that come close to the roller jacket Housing edges are stripped.
- the milling drum (4) is with a certain lateral distance from the right Side wall of the cutting housing (11) arranged. By This free space can jam chopped material through a clockwise reverse rotation of the milling drum (4) can be ejected.
- the milling drum (4) is preferably operated by an electric motor (14) driven, arranged in the housing (2) lying is.
- the motor (14) is preferably as Three-phase asynchronous motor trained and over a suitable gear (16) connected to the milling drum (4).
- the cutting housing (11) closes on the underside the chute (24).
- a baffle (21) is arranged, the discharge cross-section narrowed and e.g. from two inclined deflectors (22.23). It serves as accident protection and prevents access from the outlet opening of the chute (24) to the cutting tool (3).
- the two deflectors (22, 23) consist of at an angle Feeding or ejection direction (12) lying strips or Ribs in the chute (24).
- the upper deflector (22) starts from the motor side shaft side wall and starts at some distance at its upper edge below the engine (14).
- the second deflector (23) goes somewhat lower from the opposite side wall of the shaft out.
- the deflectors (22, 23) are directed towards each other and arranged offset in height from each other. They are roughly in at right angles to each other and leave between them a narrowed outlet opening for the oblique passage of the chopped material free. They are both preferred acute angle to the feed or ejection opening (12) directed and have e.g. an angle of inclination of 45 ° or less against this vertical direction (12).
- the preferred embodiment is the cooling air flow of the motor (14) used. He essentially becomes directed parallel to the upper deflector (22) and blows there any adhering chopped material away against the lower one Deflector (23) and there through the outlet opening between the two deflectors (22, 23) down from the Ejection chute (24).
- the motor (14) rests with parts of the transmission (16) and with the fan (15) in a bowl-shaped receptacle (not shown) in the housing (2).
- This recording surrounds the Motor (14) excluding certain supply air and Exhaust openings essentially airtight, so that the Cooling air takes a predetermined path.
- At the A bulkhead (17) is provided on the back of the motor in the housing bottom inlet opening (18) for the Air flow (20) connects.
- In the bulkhead (17) is a preferably central supply air opening (not shown).
- the fan (15) sucks in outside air and blows it by or over the engine (14) and releases it at the Front of engine in connection area to gearbox (16) at an angle down through an outlet opening (19) above the Deflector (22).
- This outlet opening (19) is between the Housing bottom and a second bulkhead (17) formed, which receives and stores the gear (16).
- the housing (2) is preferably made of two half-shells and a lid with handle (27) shaped. It is preferred made of plastic.
- the input opening or the funnel (25) is molded.
- the funnel (25) narrows in the bottom area towards the feed pipe (26) which is on the junction at the top also has a constriction and a subsequent expansion. Via the feed pipe (26) the chopped material becomes a cutting tool (3) and led into the gusset (10).
- the tube (26) connects the top of the cutter housing (11).
- the cutting tool (3) can be multi-stage and have more than one milling drum (4).
- the milling drum (4) can also be shaped differently than shown in detail.
- Modifications are also possible with regard to the counter body (8) possible. This can e.g. distanced from one over two Rolls of circulating tape exist. One more way is a moving plate that moves up and down and with a lateral evasion movement driven and guided is. In principle, any shape is possible, the a tooth mesh and a take-along movement by the Enable milling drum. Alternatively or in addition to The counter body (8) can generally also mesh motorized and largely synchronized with the milling drum be driven.
- the chicane (21) can only be one or more than have two deflectors (22, 23).
- the air flow (20) can generated separately by a fan or the like and also exist several times or in different Directions flow.
- the chicane (21) can also be used in conjunction with any other chopper can be used.
- the cutting tool (3) or the shown Milling drum choppers can also do without a chicane (21).
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Amplifiers (AREA)
Description
- Figur 1 :
- einen Häcksler in Seitenansicht und
- Figur 2 :
- eine Draufsicht auf das Schneidwerkzeug gemäß Pfeil II von Figur 1.
Das Schneidwerkzeug (3) kann mehrstufig sein und mehr als eine Fräswalze (4) aufweisen. Die Fräswalze (4) kann auch im einzelnen anders als dargestellt ausgeformt sein.
- 1
- Häcksler
- 2
- Gehäuse
- 3
- Schneidwerkzeug
- 4
- Fräswalze
- 5
- Fräserachse
- 6
- Zahn, Fräserzahn
- 7
- Hüllkreis
- 8
- Gegenkörper, Walze
- 9
- Achse
- 10
- Zwickel
- 11
- Schneidgehäuse
- 12
- Zuführrichtung, Auswurfrichtung
- 13
- Drehrichtung
- 14
- Antrieb, Motor
- 15
- Lüfter
- 16
- Getriebe
- 17
- Schott
- 18
- Einlaßöffnung
- 19
- Auslaßöffnung
- 20
- Luftstrom
- 21
- Schikane
- 22
- Abweiser
- 23
- Abweiser
- 24
- Auswurfschacht
- 25
- Eingabeöffnung, Trichter
- 26
- Zuführrohr
- 27
- Griff
- 28
- Gestell
Claims (6)
- Häcksler für Gartenabfälle oder dgl. mit mindestens einer rotierend angetriebenen Fräswalze (4), die mit einem beweglichen Gegenkörper (8) zusammenwirkt, dadurch gekennzeichnet, daß die Fräswalze (4) mit ihren Zähnen (6) in die Oberfläche des Gegenkörpers (8) eingreift.
- Häcksler nach Anspruch 1, dadurch gekennzeichnet, daß die Fräswalze (4) mit ihren Zähnen (6) tangential in die Oberfläche des Gegenkörpers (8) eingreift und den Gegenkörper (8) zumindest intermittierend mitnimmt.
- Häcksler nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Gegenkörper (8) als frei rotierbarer Drehkörper, insbesondere als Walze, ausgebildet ist.
- Häcksler nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Fräswalze (4) und der Gegenkörper (8) mit parallelen Achsen (5,9) nebeneinander angeordnet sind, wobei die Fräserzähne (6) am Walzenumfang angeordnet sind und in den Mantel des Gegenkörpers (8) greifen.
- Häcksler nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß der Gegenkörper (8) aus Kunststoff besteht.
- Häcksler nach Anspruch 1 oder einem der folgenden, dadurch gekennzeichnet, daß der Antrieb (14) einen elektrischen Asynchronmotor aufweist.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29610886U DE29610886U1 (de) | 1996-06-21 | 1996-06-21 | Häcksler |
| DE29610886U | 1996-06-21 | ||
| PCT/EP1997/003223 WO1997049493A1 (de) | 1996-06-21 | 1997-06-20 | Häcksler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0907417A1 EP0907417A1 (de) | 1999-04-14 |
| EP0907417B1 true EP0907417B1 (de) | 2000-03-08 |
Family
ID=8025491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97929231A Expired - Lifetime EP0907417B1 (de) | 1996-06-21 | 1997-06-20 | Häcksler |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0907417B1 (de) |
| DE (2) | DE29610886U1 (de) |
| WO (1) | WO1997049493A1 (de) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE444205C (de) * | 1927-05-17 | Brueck G M B H M | Zerkleinerungsmaschine, insbesondere fuer Leimfleisch | |
| FR2235770B1 (de) * | 1973-07-05 | 1977-10-07 | Tech Bois Centre | |
| US4157671A (en) * | 1976-03-11 | 1979-06-12 | Albert Goldhammer | Drive for cutting rollers of paper shredding or cutting apparatus |
| DE3118518C2 (de) * | 1981-05-09 | 1983-04-14 | Leonhard Schmid Kg, 8900 Augsburg | Abfall-Zerkleinerer, insbesondere für Gartenabfälle |
| DE8611573U1 (de) * | 1986-04-26 | 1986-09-18 | Benz, Walter, 6920 Sinsheim | Auswurfvorrichtung an einem Gerät zum Häckseln von Abfällen |
| DE4326093A1 (de) * | 1993-08-04 | 1995-02-09 | Sabo Maschf | Verfahren und Häcksler zum Zerkleinern von organischen Abfällen |
| US5320287A (en) * | 1993-10-18 | 1994-06-14 | Li Yi Yang | Paper shredding knife structure for paper shredder |
| DE9319071U1 (de) * | 1993-12-10 | 1994-02-03 | Gloria-Werke H. Schulte-Frankenfeld Gmbh & Co, 59329 Wadersloh | Schneidwerk für Gartenhäcksler mit Messerwalze |
| DE4344738A1 (de) * | 1993-12-28 | 1995-06-29 | Bosch Gmbh Robert | Häcksler |
| DE4444977C2 (de) * | 1994-12-16 | 1999-04-01 | Scheppach Maschf J | Zerkleinerungswerk |
-
1996
- 1996-06-21 DE DE29610886U patent/DE29610886U1/de not_active Expired - Lifetime
-
1997
- 1997-06-20 WO PCT/EP1997/003223 patent/WO1997049493A1/de not_active Ceased
- 1997-06-20 EP EP97929231A patent/EP0907417B1/de not_active Expired - Lifetime
- 1997-06-20 DE DE59701225T patent/DE59701225D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997049493A1 (de) | 1997-12-31 |
| EP0907417A1 (de) | 1999-04-14 |
| DE59701225D1 (de) | 2000-04-13 |
| DE29610886U1 (de) | 1997-09-04 |
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