EP2359936A2 - Broyeur de végétaux - Google Patents

Broyeur de végétaux Download PDF

Info

Publication number
EP2359936A2
EP2359936A2 EP11000300A EP11000300A EP2359936A2 EP 2359936 A2 EP2359936 A2 EP 2359936A2 EP 11000300 A EP11000300 A EP 11000300A EP 11000300 A EP11000300 A EP 11000300A EP 2359936 A2 EP2359936 A2 EP 2359936A2
Authority
EP
European Patent Office
Prior art keywords
housing
chopper
inlet opening
motor
air inlet
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
EP11000300A
Other languages
German (de)
English (en)
Other versions
EP2359936B1 (fr
EP2359936B8 (fr
EP2359936A3 (fr
Inventor
Georg Duregger
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.)
Andreas Stihl AG and Co KG
Original Assignee
Viking 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 Viking GmbH filed Critical Viking GmbH
Publication of EP2359936A2 publication Critical patent/EP2359936A2/fr
Publication of EP2359936A3 publication Critical patent/EP2359936A3/fr
Publication of EP2359936B1 publication Critical patent/EP2359936B1/fr
Application granted granted Critical
Publication of EP2359936B8 publication Critical patent/EP2359936B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/12Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C2018/162Shape or inner surface of shredder-housings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
    • B02C2201/066Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for garden waste

Definitions

  • the invention relates to a shredder specified in the preamble of claim 1 genus.
  • the invention has for its object to provide a shredder of the generic type, achieved in which a good engine cooling and contamination of the drive motor can be largely avoided.
  • the motor housing which is arranged in the housing of the chopper, results in a two-shell construction. Characterized in that the cooling air does not flow directly from the air inlet opening to the drive motor, but first into the interior of the housing and from there into the motor housing, contamination of the drive motor can be largely avoided. The fact that the motor housing is surrounded by cooling air on its outer circumference, also results in a very good cooling effect.
  • the air inlet opening is advantageously arranged on a side facing away from an ejection for clippings side of the housing. This position of the air inlet opening the intake of clippings can be largely avoided.
  • the air inlet opening is advantageously arranged facing down, wherein at the air inlet opening a grid is arranged. By aligning the air inlet opening down so that cooling air flows up into the air inlet opening, it is achieved that sucked to the grid clippings can automatically fall off again.
  • a simple design results when the grid is formed on the housing.
  • the housing is advantageously made of plastic.
  • a simple construction of the housing results when the housing comprises a bottom plate which closes the housing towards the bottom.
  • the air inlet opening is advantageously arranged on a depression of the bottom plate.
  • the motor housing advantageously has an inlet opening for the intake of cooling air from the housing, which is arranged on the underside of the motor housing and facing the bottom plate.
  • a fan wheel driven by the drive motor can be arranged in the region of the inlet opening.
  • the air inlet opening is arranged on a recess of the bottom plate and facing the inlet opening in the motor housing of the bottom plate, a deflection of the cooling air flow is achieved, which leads to a further separation of sucked dirt.
  • the cooling air flows directed along the outer circumference of the drive motor and thus ensures good cooling
  • the motor housing is advantageously cup-shaped.
  • a simple design results when the housing comprises a hood on which the motor housing is formed. For the motor housing thereby no further separate component is needed. This results in a simple structure.
  • the bottom plate is connected in particular via a snap connection with the hood. This results in a simple structure.
  • An advantageous cooling air flow is achieved when the outlet opening is arranged from the motor housing at the top of the motor housing.
  • the outlet opening is arranged in particular in a peripheral region of the chopper between the ejection and the air inlet opening.
  • the air flow occurs in particular below a cover of the chopper.
  • a knife chamber for the tool is advantageously formed above the housing.
  • the outlet opening is arranged in particular adjacent to the bottom of the knife chamber.
  • Fig. 1 shows a chopper 1, which is designed as a garden shredder, in perspective view.
  • the chopper 1 has two wheels 3 and two feet 4, with which the chopper 1 rests on the ground.
  • the shredder has a housing 2 for a in Fig. 1 Not shown drive motor and a feed chute 5 and a Astzu Foodrohr 6.
  • a filling opening 8 is arranged for clippings at the upper end.
  • the Astzu Switzerland Vietnameserohr 6 is advantageously arranged pivotably on the chopper 1.
  • the chopper 1 also has an ejection 7 for clippings, which is covered up by a cover 35. As Fig. 1 shows, the chopper 1 is very low.
  • the housing 2 extends into the area of the wheel 3 and has only a small distance to the ground.
  • Fig. 2 shows the design of the housing 2 of the chopper 1 in detail.
  • the housing 2 has a hood 32, which forms an outer wall 14 of the housing 2.
  • the hood 32 also forms an upper side 30 of the housing 2, which bears against a bottom 16 of a knife chamber 9.
  • a motor housing 20 is also formed, which is formed as a recess in the top 30 and surrounds a drive motor 10 of the chopper 1 at a distance.
  • the drive motor 10 drives a drive shaft 18 rotating, which is approximately perpendicular in the embodiment and at the one in Fig. 2 schematically shown cutter blade 28 is fixed, which forms the tool of the chopper 1.
  • the drive motor 10 has a motor flange 27, which is screwed tightly to the bottom 16 of the knife chamber 9 via a plurality of fastening screws 17.
  • the knife chamber 9 is followed by the ejection 7.
  • the hood 32 is made of plastic and open at the bottom.
  • the hood 32 is closed to the ground by a bottom plate 13.
  • the bottom plate 13 is fixed via a snap connection 33 on the hood 32.
  • the bottom plate 13 is flat and closed.
  • the bottom plate 13 has an upwardly directed recess 29, in which an air inlet opening 11 is formed.
  • a grid 12 is arranged, which is integrally formed on the bottom plate 13. Due to the recess 29, the air inlet opening 11 is disposed above the bottom plate 13 and has the bottom plate 13 a distance a, which is measured vertically. The air inlet opening 11 is therefore formed above the underside of the housing 2.
  • Cooling air is sucked in via the air inlet opening 11 in the direction of the arrow 22.
  • the cooling air is deflected in the housing 2 and flows around the motor housing 20, which is arranged completely in the housing 2, on its outside.
  • the motor housing 20 On the side facing the bottom plate 13, the motor housing 20 has an inlet opening 21 via which the cooling air in the direction of the arrows 24 into the motor housing 20 flows.
  • a fan wheel 34 which is arranged adjacent to the inlet opening 21 in the motor housing 20, is driven in rotation by the drive motor 10.
  • Fig. 2 is between the approximately cylindrically shaped drive motor 10 and the Housing wall 15 of the motor housing 20, a gap 31 is formed.
  • the motor housing 20 is cup-shaped, and the housing wall 15 is cylindrical or slightly conical. In the gap 31, the cooling air flows along the arrows 25 on the circumference of the drive motor 10 in the longitudinal direction of the drive motor 10 in the direction of the underside of the bottom 16 of the knife chamber.
  • Fig. 3 shows a section through the housing 2 in a cutting direction perpendicular to the section in FIG Fig. 2 ,
  • the ejection 7 is located in the illustration in Fig. 3 in front of the cutting plane. Behind the sectional plane, the air inlet opening 11 is shown.
  • Below the bottom 16 of the knife chamber 9 are located on the circumference of the motor housing 20 in a peripheral region between the air inlet opening 11 and the ejection 7 outlet openings 19.
  • the cooling air flows in the direction of the arrows 26 to the outside. Accordingly, the cooling air enters through the outlet openings 19 in a region below the in Fig. 1 shown cover 35 from.
  • the air inlet openings 19 can as in Fig.
  • Slats 36 may be provided, which guide the flow obliquely forward in the direction of the ejection 7.
  • the drive motor 10 is arranged in a closed up to the inlet opening 21 and the outlet openings 19 motor housing 20, which is arranged in a substantially closed to the air inlet opening 11 formed housing 2.
  • This arrangement results in a multiple deflection of the cooling air flow, which avoids the suction of dirt to the drive motor 10 and at the same time achieves effective cooling of the drive motor 10. Due to the upwardly offset arrangement of the air inlet opening 11 on the housing 2 is avoided that clippings or dirt is sucked directly from the ground into the housing 2.
  • the proposed training can also be used in shredders 1, which build very low and in which the housing 2 is arranged at a small distance above the ground.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP11000300.1A 2010-01-29 2011-01-15 Broyeur de végétaux Active EP2359936B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010001505U DE202010001505U1 (de) 2010-01-29 2010-01-29 Häcksler

Publications (4)

Publication Number Publication Date
EP2359936A2 true EP2359936A2 (fr) 2011-08-24
EP2359936A3 EP2359936A3 (fr) 2017-01-25
EP2359936B1 EP2359936B1 (fr) 2018-11-14
EP2359936B8 EP2359936B8 (fr) 2019-01-02

Family

ID=43495700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11000300.1A Active EP2359936B8 (fr) 2010-01-29 2011-01-15 Broyeur de végétaux

Country Status (2)

Country Link
EP (1) EP2359936B8 (fr)
DE (1) DE202010001505U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110976022B (zh) * 2019-11-27 2021-02-19 广东瑞洋制药有限公司 一种制药药物粉碎机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339310A1 (de) 1983-10-29 1985-05-09 Gloria-Werke H. Schulte-Frankenfeld Gmbh & Co, 4724 Wadersloh Antriebsvorrichtung fuer einen gartenhaecksler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197044A (en) * 1981-05-15 1982-12-03 Robuaa Sukotsuto Bonaa Ltd Finely cutting machine
DE29514916U1 (de) * 1995-09-16 1995-11-09 AS-Motor GmbH u. Co KG, 74420 Oberrot Vorrichtung zum Zerkleinern von Schnittholz und anderen Gartenabfällen
AT3546U1 (de) * 1998-03-31 2000-04-25 Atb Austria Antriebstechnik Ak Elektromotor mit luftkühlung
US6499873B1 (en) * 2000-11-24 2002-12-31 Quality & Strength Inc. Fruit/vegetable blender

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339310A1 (de) 1983-10-29 1985-05-09 Gloria-Werke H. Schulte-Frankenfeld Gmbh & Co, 4724 Wadersloh Antriebsvorrichtung fuer einen gartenhaecksler

Also Published As

Publication number Publication date
DE202010001505U1 (de) 2011-01-20
EP2359936B1 (fr) 2018-11-14
EP2359936B8 (fr) 2019-01-02
EP2359936A3 (fr) 2017-01-25

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