EP1149631B1 - Fixation d'outil pour tambour de coupe rotatif - Google Patents

Fixation d'outil pour tambour de coupe rotatif Download PDF

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Publication number
EP1149631B1
EP1149631B1 EP01110259A EP01110259A EP1149631B1 EP 1149631 B1 EP1149631 B1 EP 1149631B1 EP 01110259 A EP01110259 A EP 01110259A EP 01110259 A EP01110259 A EP 01110259A EP 1149631 B1 EP1149631 B1 EP 1149631B1
Authority
EP
European Patent Office
Prior art keywords
tools
tool
clamping screw
region
shaft
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
EP01110259A
Other languages
German (de)
English (en)
Other versions
EP1149631A1 (fr
Inventor
Rudolf Dipl.-Ing. Pretzler
Josef Ing. Heissenberger
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.)
Komptech GmbH
Original Assignee
Komptech 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7940855&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1149631(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Komptech GmbH filed Critical Komptech GmbH
Publication of EP1149631A1 publication Critical patent/EP1149631A1/fr
Application granted granted Critical
Publication of EP1149631B1 publication Critical patent/EP1149631B1/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
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/22—Crushing mills with screw-shaped crushing means
    • 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

Definitions

  • the invention relates to a tool attachment of a milling drum according to the preamble of claim 1.
  • the universal mixing shredders For processing and processing of biogenic material, it is known to use universal mixing shredder.
  • the universal mixing shredders have a plurality of milling drums which serve for comminution and mixing of the biogenic material with these wear bottoms, which are at least partially surrounded.
  • the biogenic material consists of biowaste, for example kitchen and garden waste, to which green waste can be mixed to the desired extent by means of the universal mixing shredder.
  • the milling rollers used for comminution and mixing have helically extending with the rotatably driven shaft undetachably connected tools, with which in turn wear tools are releasably connected again.
  • the wearing tools are screwed to the side of the bracket with several screws, see eg FR 2 356 613 A .
  • the fastening screws for the wearing tools must be provided in large numbers and in solid construction. Due to the high number and the unfavorable position of these mounting screws, the tool change is very time consuming.
  • the object of the invention is therefore to improve a tool attachment for a generic milling drum such that the tool change of more frequently changing wear tools is time-saving and easy.
  • a slot-shaped recess may be provided with an edge region having at least one bevel such that the bevel of the edge region of this recess forms a support surface forming parallel to the bearing surface of the clamping screw.
  • the clamping screw can rest flat, with a large contact surface is created.
  • the wear tool can be securely pressed into the conically converging pocket-shaped recess, so that the wear tool is clamped free of play in the recess.
  • the tools which are permanently connected to the shaft can have, in the region of each pocket-shaped recess, a receiving area for the clamping screw which projects out from the surface.
  • a receiving area for the clamping screw which projects out from the surface.
  • only a portion of the receiving area can be provided with a thread corresponding to the clamping screw, so that a large free clamping length is created for the clamping screw.
  • a large free span length for the clamping screw and the large bearing surface of the clamping screw on the support surface, which is formed in the edge region of the slot provided in the wear tool prevents unwanted loosening of the tool during operation. Due to the protruding receiving area, which is easily accessible from the outside, the wear tool can be changed easily and quickly by means of an air or electric screwdriver.
  • Fig. 1 is a milling drum 10 of a Mischzerkleinerers shown.
  • the milling drum consists of a drivable shaft 12, on which helically extending tools 14 are welded.
  • the tools 14 are wear tools 16th releasably secured again.
  • the helically extending tools 14 consist of radially protruding from the shaft 12 sheets 18 which are arranged offset from one another such that the helical shape results.
  • FIGS. 5 and 6 show the wear tools 16. These are flat and symmetrical, so that they can be used on both sides.
  • the wear tools essentially have a working area 20 and a holding area 22.
  • the working area 20 has the shape known in the case of wear tools with beveled flanks in the head area and in the side areas.
  • the holding region 22 is tapered conically, as can be seen from the illustration according to FIG FIG. 5 results. This shape corresponds to a pocket-shaped recess 24 conically converging in the direction of the drivable shaft in the tool 14 which is permanently connected to the shaft (see FIGS FIGS. 2 to 4 ).
  • the projecting receiving portion 26 is designed such that the clamping screw 28 is screwed obliquely to the shaft 12 in the receiving area 26.
  • Fig. 3 is shown in more detail that the clamping screw 28 is supported with a corresponding screwing into a slot area 30 in the wear tool 16 on a support surface 32 over a large area. Due to the symmetrical structure of the wear tool 16, this support surface 32 is provided from both sides in the slot area 30. Thus, the wear tool can be used in any position and clamped with the clamping screw 28.
  • the receiving portion 26 for the clamping screw becomes clear, easily accessible from the outside, so that the clamping screw 28 can be tightened or loosened by means of an air or electric screwdriver in a simple manner. Only part of the reception area 26 is provided with a screwdriver corresponding thread 33, so that the clamping screw itself has a large free span length 34.
  • the wear tool is clamped over its wedge-shaped holding portion 22 in the corresponding wedge-shaped receiving pocket 24. Due to the large support surface 32 and the large free clamping length 34 of the clamping screw 28 loosening of the tool is prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Milling Processes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Food-Manufacturing Devices (AREA)
  • Crushing And Pulverization Processes (AREA)

Claims (3)

  1. Fixation d'outil d'un tambour de coupe, en particulier pour une machine de conditionnement de déchets, qui comprend sur un arbre pouvant être entraîné en rotation des outils s'étendant de préférence de façon hélicoïdale et reliés de façon inamovible audit arbre, ainsi que des outils d'usure reçus de façon amovible dans lesdits outils, pour la fixation amovible des outils d'usure,
    caractérisée par des évidements en forme de poche, s'effilant de façon conique en direction de l'arbre pouvant être entraîné, dans les outils reliés à l'arbre de façon inamovible, dans lesquels une zone de forme correspondante de l'outil d'usure peut être mise en place, dans laquelle l'outil d'usure respectif peut être serré sans jeu dans l'évidement en forme de poche par une vis de serrage tournée de façon oblique vers l'arbre pouvant être entraîné.
  2. Fixation d'outil selon la revendication 1, caractérisée en ce que dans l'outil d'usure, un évidement en forme de fente avec une zone périphérique présentant au moins une pente est prévu de telle sorte que la pente de la zone périphérique de cet évidement forme une surface de soutien formée en parallèle à la surface d'appui de la vis de serrage.
  3. Fixation d'outil selon la revendication 1 ou 2, caractérisée en ce que les outils reliés de façon inamovible à l'arbre présentent au niveau de chaque évidement en forme de poche une zone de réception, faisant saillie à partir de la surface, pour la vis de serrage, dans laquelle seule une partie de la zone de réception est munie d'un filetage correspondant à la vis de serrage de sorte qu'une grande longueur de serrage libre est créée pour la vis de serrage.
EP01110259A 2000-04-28 2001-04-25 Fixation d'outil pour tambour de coupe rotatif Expired - Lifetime EP1149631B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20007764U DE20007764U1 (de) 2000-04-28 2000-04-28 Werkzeugbefestigung für eine Fräswalze
DE20007764U 2000-04-28

Publications (2)

Publication Number Publication Date
EP1149631A1 EP1149631A1 (fr) 2001-10-31
EP1149631B1 true EP1149631B1 (fr) 2008-10-29

Family

ID=7940855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110259A Expired - Lifetime EP1149631B1 (fr) 2000-04-28 2001-04-25 Fixation d'outil pour tambour de coupe rotatif

Country Status (5)

Country Link
EP (1) EP1149631B1 (fr)
AT (1) ATE412467T1 (fr)
DE (2) DE20007764U1 (fr)
DK (1) DK1149631T3 (fr)
ES (1) ES2312381T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20007764U1 (de) * 2000-04-28 2000-10-12 Heissenberger & Pretzler Gmbh Werkzeugbefestigung für eine Fräswalze

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2630103C3 (de) * 1976-07-03 1980-09-25 Trenkle Gmbh, 7730 Villingen Maschine zum Umsetzen von Kompostmieten
DE19615662A1 (de) * 1996-04-19 1997-10-23 Heissenberger & Pretzler Gmbh Vorrichtung zur Aufbereitung von Bioabfall
EP0976442A3 (fr) * 1998-07-31 2002-06-05 F. Zettl GmbH & Co. Dispositif de mélange
DE20007764U1 (de) * 2000-04-28 2000-10-12 Heissenberger & Pretzler Gmbh Werkzeugbefestigung für eine Fräswalze

Also Published As

Publication number Publication date
ES2312381T3 (es) 2009-03-01
DE20007764U1 (de) 2000-10-12
DE50114444D1 (de) 2008-12-11
DK1149631T3 (da) 2009-01-05
EP1149631A1 (fr) 2001-10-31
ATE412467T1 (de) 2008-11-15

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