EP0469380B1 - Häcksler - Google Patents

Häcksler Download PDF

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Publication number
EP0469380B1
EP0469380B1 EP91111877A EP91111877A EP0469380B1 EP 0469380 B1 EP0469380 B1 EP 0469380B1 EP 91111877 A EP91111877 A EP 91111877A EP 91111877 A EP91111877 A EP 91111877A EP 0469380 B1 EP0469380 B1 EP 0469380B1
Authority
EP
European Patent Office
Prior art keywords
cutting
chopper
cutting roll
tooth gaps
clearing blade
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
EP91111877A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0469380A1 (de
Inventor
Erwin Karg
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.)
Lescha Maschinenfabrik GmbH and Co KG
Original Assignee
Lescha Maschinenfabrik GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6411234&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0469380(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lescha Maschinenfabrik GmbH and Co KG filed Critical Lescha Maschinenfabrik GmbH and Co KG
Priority to AT91111877T priority Critical patent/ATE103843T1/de
Priority to EP92118059A priority patent/EP0527507B1/de
Publication of EP0469380A1 publication Critical patent/EP0469380A1/de
Application granted granted Critical
Publication of EP0469380B1 publication Critical patent/EP0469380B1/de
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
    • 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
    • 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
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/146—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with a rotor comprising a plurality of axially contiguous disc-like segments each having at least one radially extending cutting element
    • 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 chopper according to the preamble of claim 1.
  • a chopper of this type is known from DE 30 36 235 A1.
  • no device for cleaning the cutting roller is provided.
  • the tooth gaps will become clogged over time, especially if the chopping material contains a lot of greenery such as leaves and grass etc.
  • the consequence of this is frequent business interruptions.
  • the known arrangement therefore proves to be not trouble-free and user-friendly enough.
  • the clearing spatula advantageously ensures that the cutting roller cannot become clogged and, accordingly, that the advantageous pressing and squeezing effects, which in themselves would promote clogging of the cutting roller, are permanently present.
  • a certain re-cutting effect can also advantageously be achieved on the clearing spatula.
  • the measures according to the invention therefore result in high reliability.
  • the clearing spatula can advantageously be driven in time with the tooth gaps that pass by means of a cam disk that can be driven with the cutting roller, preferably arranged coaxially with it.
  • the cam disk can simply cooperate with a button, preferably with a roller bearing, which bears against it, preferably under the action of a pressure spring.
  • Another advantageous measure can be that the clearing spatula in the area of the ascending moving half of the cutting roller is arranged from above into the tooth gaps and that the counter knife arrangement is provided in the area of the descending moving half of the cutting roller.
  • the counter knife arrangement can have at least one stationary main knife, preferably designed as an adjustable knife bar that is inclined downward from the circumference of the cutting roller and preferably has a cutting edge that is lower than the cutting roller axis, and at least one secondary cutting device that is arranged downstream of the main knife, preferably separate therefrom, with at least one cutting edge. which is preceded by a groove and a scraping surface is arranged downstream.
  • a further advantageous measure can consist in that the cutting roller consists of a plurality of disks arranged side by side, which can be held against rotation on a drivable shaft.
  • the garden chopper on which FIGS. 1, 2 are based consists of a chopper assembly 2 standing upright on legs 1 with a one arranged with a horizontal axis, slowly, here at 50 revolutions / min. running cutting roller 3, above which a feed shaft 4 arranged with a vertical axis and below which a discharge shaft 5 arranged with a vertical axis are provided.
  • An insertion funnel 6 can be provided at the upper end of the feed chute 4.
  • the chopping unit 2 has two lateral, parallel bearing plates 7, on which the cutting roller 3 is mounted and on which the feed chute 4 and ejection chute 5, as can best be seen from FIG. 2, rest and are fastened with side walls parallel to the shield.
  • the cutting roller 3 which is continuous over the entire clear distance between the end shields 7, cooperates in the region of its circumferentially movable downward region with a stationary counter knife arrangement arranged below the cutting roller axis.
  • this contains a main knife 8 in the form of a steel bar inclined downwards from the circumference of the cutting roller 3, the cutting edge of which is at most at the level of the cutting roller axis, here deeper than that
  • the cutting roller axis lies and which projects over an adjacent transverse wall bridging the end shields 7, so that, as can best be seen from FIG. 3, a pocket-shaped gusset 9 arranged upstream of the cutting edge of the main knife 8 results.
  • the steel bar forming the main knife 8 is adjustable relative to the cutting roller 3 so that its teeth 10 cut past the stationary knife edge 11 without collision.
  • the stationary counter knife arrangement also contains a recutting device. This consists of an aluminum molding 12 with a cutting edge 13, which is preceded by a fillet 14 and a scraping surface 15.
  • the cutting roller 3 can run into the aluminum blank 12. It is therefore only necessary to roughly adjust the aluminum molding 12.
  • a cross member 7 a which bridges the two end shields 7 and is connected therewith, is provided, which is provided with slots through which retaining screws 16 pass.
  • the retaining screws 16 can be screwed into associated threaded holes of the main knife 8 resting on the crossbeam 7a and, with their end protruding from the main knife 8, reach through associated slots of the aluminum molding 12 resting on the main knife 8, which is secured by lock nuts.
  • the main knife 8 is tensioned by tightening the screws 16.
  • the knife bar forming the main knife 8 and the shaped piece 12 forming the recutting device are designed here as turning tools which are symmetrical with respect to their central longitudinal plane has an advantageous effect on the required maintenance.
  • a press plate 17 is provided above the counter knife arrangement and forms a feed table assigned to the counter knife arrangement.
  • the material drawn in by the teeth 10 extending over the length of the roller along the press plate 17 functioning as the feed table is pressed against the press plate 17 during the drawing-in.
  • the fact that the material to be processed is reliably applied to the pressing plate 17 and pressed against it results in a highly desirable hold-down effect, which not only prevents impact noise, but also facilitates a subsequent cut in the area of the counter knife arrangement.
  • This cut is further favored by the fact that in the region of the gusset 20 delimited by the cutting roller 3 and the pressure plate 17, material pressed into the tooth gaps 22 after passing through the narrowest point of the gusset 20 indicated at 24, a renewed expansion into the cutting edge 11 of the Main knife 8 upstream, pocket-shaped gusset 9 can experience.
  • the material contained in the tooth gaps 22 can fall out of the tooth gaps 22 after they have passed the scraping surface 15. Material that does not fall out of its own accord is cleared, as can be clearly seen in FIG. 1, in the area of the ascending circumferential half of the cutting roller 3 by means of a spatula 25 which is approximately diametrically opposed to the counter knife arrangement and extends over the entire length of the cutting roller 3.
  • the clearing spatula 25 accordingly ensures that the tooth gaps 22 which penetrate into the working space 26, which is delimited at the bottom by the cutting roller 3, are reliably cleared out and can accordingly accommodate new material.
  • the clearing spatula 25 can be designed as a slide that can be driven back and forth in time with the passing tooth gaps 22.
  • the clearing spatula 25 which is formed by a blade provided with a sharp, pointed clearing edge 27, is fastened to a U-shaped swivel frame 28, the side legs 29 of which, as can best be seen from FIG. 2, flank the side end shields 7 and on them free end are mounted on the end shields 7 by means of an axis 30 passing through here.
  • the opposite end of the legs 29 is bridged by a web 31 on which the blade forming the clearing spatula 25 is exchangeably fastened by screws.
  • the end shields 7 are in the area of the web 31 with edge recesses provided, which allows a space-saving arrangement of the frame 28.
  • the swivel frame 28 can be actuated by means of a cam disk 32 which is arranged coaxially with the cutting roller 3 and which can be driven by this, so that the clearing spatula 25 dips into the tooth gaps 22 passing by and allows the teeth 10 to pass without a collision.
  • the clearing spatula 25 plunges in the opposite direction to the movement of the cutting roller 3, ie here from above, into the tooth gaps 22 and in the same direction as the cutting roller 3, ie upwards, out of the tooth gaps.
  • the cam disk 32 is provided with depressions assigned to the tooth gaps 22 and cams assigned to the teeth 10. The height of these cams is dimensioned such that the teeth 10 run past the tip 27 of the clearing spatula 25 without collision, but without any significant distance.
  • the cam disc 22 is moved by a button 33 connected to the frame 28.
  • This can be a pin which projects laterally from a frame leg 29 and is pressed against the peripheral surface of the cam disk 32 by means of a spring 33.
  • the spring 34 acts here, as FIG. 1 further shows, on the one hand on the frame 28 and on the other hand on the frame of the chopping unit 2, ie one of the end shields 7.
  • the button 22 can, as FIG. 2 further shows, be provided with a running ring on the cam disk 32, here simply formed by a roller bearing 35.
  • the cam disk 32 can be received on a lateral journal of the cutting roller 3.
  • the feed shaft 4 ends here at a distance above the cutting roller 3. This distance is bridged in the area between the end shields 7 on the one hand by the press plate 17 and on the other hand by the clearing spatula 25.
  • the clearing spatula 25 represents a wall area that moves up and down and is subject to permanent self-cleaning as a result of the spatula movement.
  • the pressure plate 17 and the clearing spatula 25 are inclined away from the circumference of the cutting roller 3 in such a way that the working space 26 delimited thereby widens upwards. The same applies to the transverse walls of the feed chute 4 which are practically elongated by the press plate 17 and the clearing spatula 25.
  • an ejector baffle 36 opposite the recutting device, which can simultaneously function as a web connecting the shields 7 on the spatula side.
  • the material ejected via the scraping surface 15 is reliably directed into the discharge chute 5 by means of the discharge baffle.
  • the cutting roller 3 is mounted on the end plates 7 with the aid of flange stops 37.
  • the end shields 7 can be provided with bearing bores, the diameter of which corresponds at least to the diameter of the cutting roller 3, so that the latter can be pushed through.
  • it is provided on the pull-off side opposite its drive side with a thread 38 into which a pull-off rod can be screwed.
  • the drive side is the Cutting roller 3 can be coupled by means of a claw coupling formed by groove 39 and spring 40 to a stub shaft 41 forming the output of a drive device.
  • a hub 42 which carries the cam disk 32, is received here. The claw coupling enables the cutting roller 3 to be easily removed from the side.
  • the drive device contains a drive motor 43 with a downstream reduction gear 44.
  • this is designed as a cyclo gear, which ensures a particularly slim design and enables a very high reduction.
  • the stub shaft 41 practically forms the output of the reduction gear 44.
  • the drive motor 43 and the reduction gear 44 are combined to form a unit which is flanged to a frame-side support plate 45 which, together with the adjacent end plate, has a chamber for receiving the here on the drive side of the cutting roller 3 provided cam 32 forms.
  • the support plate 45 and the spaced-apart, adjacent bearing plate 7 can be designed as lateral legs of a U-shaped molding.
  • the cutting roller 3 is designed as a one-piece component.
  • the cutting roller 3 consists of a plurality of identical disks 46 which are arranged next to one another with aligned teeth or tooth gaps and which lie on a shaft 47 are received.
  • the disks 46 can be replaced individually.
  • the shaft 47 can be firmly flanged to an associated drive stub.
  • a plug-in coupling is provided, as indicated above, as indicated by the groove 39 in the region of the drive-side bearing journal of the shaft 47.
  • the disks 46 are clamped onto the shaft 47.
  • this is provided on the drive side with a fixed stop 48 designed as a circumferential collar.
  • a movable stop 49 is provided in the form of a flange ring molded onto a hub that can be plugged onto the shaft 47.
  • the hub bearing the flange ring 49 and centered on the shaft 47 can be pulled open by means of a clamping screw 50, as a result of which the disks 46 are clamped.
  • a positive mutual connection of the disks 46 is provided. For this purpose, as is provided in FIG.
  • a rod 51 which is inserted through an eccentric bore and fixed with its ends on the stop side, or, as indicated in FIG. 4 below, simply a spring 52 which engages in a shaft-side and disk-side groove.
  • Means of the type outlined above also result in a form-fitting entrainment in the drive direction of the cutting roller 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Threshing Machine Elements (AREA)
  • Food-Manufacturing Devices (AREA)
  • Amplifiers (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Electroluminescent Light Sources (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
EP91111877A 1990-07-28 1991-07-16 Häcksler Expired - Lifetime EP0469380B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT91111877T ATE103843T1 (de) 1990-07-28 1991-07-16 Haecksler.
EP92118059A EP0527507B1 (de) 1990-07-28 1991-07-16 Häcksler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4024060A DE4024060A1 (de) 1990-07-28 1990-07-28 Haecksler
DE4024060 1990-07-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP92118059.2 Division-Into 1991-07-16

Publications (2)

Publication Number Publication Date
EP0469380A1 EP0469380A1 (de) 1992-02-05
EP0469380B1 true EP0469380B1 (de) 1994-04-06

Family

ID=6411234

Family Applications (2)

Application Number Title Priority Date Filing Date
EP91111877A Expired - Lifetime EP0469380B1 (de) 1990-07-28 1991-07-16 Häcksler
EP92118059A Revoked EP0527507B1 (de) 1990-07-28 1991-07-16 Häcksler

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP92118059A Revoked EP0527507B1 (de) 1990-07-28 1991-07-16 Häcksler

Country Status (8)

Country Link
US (1) US5226607A (enrdf_load_stackoverflow)
EP (2) EP0469380B1 (enrdf_load_stackoverflow)
JP (1) JPH04256450A (enrdf_load_stackoverflow)
AT (2) ATE120104T1 (enrdf_load_stackoverflow)
CA (1) CA2046231A1 (enrdf_load_stackoverflow)
DE (4) DE4024060A1 (enrdf_load_stackoverflow)
FI (1) FI913561L (enrdf_load_stackoverflow)
NO (1) NO912729L (enrdf_load_stackoverflow)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9115433U1 (de) * 1991-12-12 1993-04-15 Falkner, Raimund, Roppen Zerkleinerungsvorrichtung
DE4230219C1 (de) * 1992-09-10 1994-03-17 Michael Lopic Tragbarer, handbetriebener Kleinhäcksler
SI9200354A (en) * 1991-12-13 1993-06-30 Michael Lopic Portable cutting apparatus
DE4141131C2 (de) * 1991-12-13 1994-09-01 Lopic Franz Tragbarer Kleinhäcksler
DE4242640A1 (de) * 1992-12-17 1994-06-23 Bosch Gmbh Robert Häcksler
SE501407C2 (sv) * 1993-06-07 1995-02-06 Iggesund Shredders Ab Anordning innefattande en stomme, ett i stommen roterbart anordnat element samt en därmed samverkande motskärsanordning, som är anbragt på stommen
DE4344738A1 (de) * 1993-12-28 1995-06-29 Bosch Gmbh Robert Häcksler
DE4414222C1 (de) * 1994-04-23 1995-06-14 Lescha Maschf Gmbh Vorrichtung zum Häckseln von Abfallmaterial
IT1247548B (it) * 1994-05-18 1994-12-19 Alfa Srl Trituratore a selezione di materiali con compattatore
DE4444977C2 (de) * 1994-12-16 1999-04-01 Scheppach Maschf J Zerkleinerungswerk
EP1068904B1 (en) * 1999-06-24 2006-11-15 Donald E. Maynard Apparatus for granulating plastic
US7070132B1 (en) * 2003-08-21 2006-07-04 Iowa State University Research Foundation, Inc. Low-speed high-torque chipper-shredder machine
DE202006019687U1 (de) * 2006-12-27 2007-03-08 Doppstadt Familienholding Gmbh Schlegelanordnung
AT10892U1 (de) 2008-05-02 2009-12-15 Unterwurzacher Patentverwertun Zerkleinerungsvorrichtung
CN103894273B (zh) * 2012-12-28 2017-08-01 苏州宝时得电动工具有限公司 碎枝机对刀机构
CN204602307U (zh) * 2014-10-28 2015-09-02 湖南三德科技股份有限公司 用于环锤破碎机的自动清扫装置及环锤破碎机
JP5871344B1 (ja) * 2014-12-26 2016-03-01 株式会社ハーモ 粒断機
CN105903524A (zh) * 2016-06-30 2016-08-31 湖南万通科技股份有限公司 一种破碎设备
CN106582978B (zh) * 2016-12-18 2018-11-20 泰兴市智谷科技孵化器中心 一种稀土废料回收用稀土高效破碎装置
CN108097354A (zh) * 2017-12-05 2018-06-01 郑州源冉生物技术有限公司 一种煤块快速破碎装置
CN108097355A (zh) * 2017-12-05 2018-06-01 郑州源冉生物技术有限公司 一种煤块高效破碎装置
CN108579985B (zh) * 2018-03-30 2019-11-29 诸暨易和项目投资有限公司 一种兔子养殖用食物切割装置
CN111408459B (zh) * 2020-04-08 2021-11-05 烟台大为环保科技有限公司 一种防缠绕双轴撕碎机
CN113019576B (zh) * 2021-03-02 2022-06-03 江西益普生药业有限公司 一种药用聚乙二醇粉碎机及其使用方法
CN114682345B (zh) * 2022-04-01 2023-05-19 江西英特科胜动保科技有限公司 一种兽药散剂生产用粉尘清除装置

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Publication number Priority date Publication date Assignee Title
US524274A (en) * 1894-08-07 Daniel r
DE162584C (enrdf_load_stackoverflow) *
US1423867A (en) * 1921-12-27 1922-07-25 Mitts & Merrill Cutting machine
US1976751A (en) * 1932-12-16 1934-10-16 Lillie A Short Meat-tenderer
US2841341A (en) * 1953-08-28 1958-07-01 Catalin Corp Of America Rotary type machine for granulating polystyrene pellets
DE2051756C3 (de) * 1970-10-22 1987-09-10 Schwarz, Werner, 6104 Seeheim Vorrichtung zum Zerkleinern von Abfall
US4351488A (en) * 1976-06-15 1982-09-28 Alpine Aktiengesellschaft Feed bars for shredding mills
US4106708A (en) * 1977-04-11 1978-08-15 Leesona Corporation Granulator and knife construction therefor
DE2817097A1 (de) * 1977-04-22 1978-11-02 Dresser Europe Sa Rotierende brecheinrichtung
FR2464099A1 (fr) * 1979-08-30 1981-03-06 Paulve Marcel Broyeur forestier
IT1119222B (it) * 1979-10-16 1986-03-03 Sant Andrea Novara Officine Macchina trituratrice
US4454995A (en) * 1980-03-24 1984-06-19 Patricia Bloomquist Cutter head for a material cutting machine
DE3036235A1 (de) * 1980-09-25 1982-04-08 Helmut 8205 Kiefersfelden Waritsch Handgeraet zum zerkleinern von haus- und gartenabfaellen
US4489896A (en) * 1983-03-30 1984-12-25 Manlio Cerroni Processing apparatus for solid urban refuse and plastic bags filled with same
DE3324274A1 (de) * 1983-07-06 1985-01-24 Leonhard Schmid Kg, 8900 Augsburg Haeckselgeraet fuer gartenabfaelle u.dgl.
AT378922B (de) * 1984-02-10 1985-10-25 Raimund Falkner Vorrichtung zum zerkleinern von abfall

Also Published As

Publication number Publication date
NO912729L (no) 1992-01-29
DE59101317D1 (de) 1994-05-11
EP0469380A1 (de) 1992-02-05
DE59105012D1 (de) 1995-04-27
US5226607A (en) 1993-07-13
JPH04256450A (ja) 1992-09-11
FI913561A7 (fi) 1992-01-29
NO912729D0 (no) 1991-07-11
DE4024060A1 (de) 1992-02-06
FI913561L (fi) 1992-01-29
EP0527507A1 (de) 1993-02-17
ATE120104T1 (de) 1995-04-15
CA2046231A1 (en) 1992-01-29
DE9109063U1 (de) 1991-10-17
EP0527507B1 (de) 1995-03-22
ATE103843T1 (de) 1994-04-15
FI913561A0 (fi) 1991-07-25
DE4024060C2 (enrdf_load_stackoverflow) 1992-08-20

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