DE3671605D1 - ROTARY CUTTING TOOL, ESPECIALLY FOR STRAND GRANULATING PLASTICS. - Google Patents

ROTARY CUTTING TOOL, ESPECIALLY FOR STRAND GRANULATING PLASTICS.

Info

Publication number
DE3671605D1
DE3671605D1 DE8686115293T DE3671605T DE3671605D1 DE 3671605 D1 DE3671605 D1 DE 3671605D1 DE 8686115293 T DE8686115293 T DE 8686115293T DE 3671605 T DE3671605 T DE 3671605T DE 3671605 D1 DE3671605 D1 DE 3671605D1
Authority
DE
Germany
Prior art keywords
cutting element
tool body
longitudinal groove
clamping
tapering
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
DE8686115293T
Other languages
German (de)
Inventor
Hans Hench
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3671605D1 publication Critical patent/DE3671605D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Milling Processes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

1. A rotary cutting tool, more particularly for the continuous granulation of plastics, having a cylindrical tool body (1, 100) formed with a number of longitudinal grooves (2) uniformly distributed in the peripheral direction, each of which contains a releasably inserted, strip-like cutting element (6, 6a, 6b) and a clamping element (7) of wedge shaped cross-section which is disposed in the space, tapering in wedge shape in the direction of the periphery of the tool body (1), between a bearing surface (12) of the cutting element and the side wall (13) of the longitudinal groove opposite said bearing surface and has in cross-section a matching wedge shape tapering in the same direction and is pressed radially outwards by clamping means (16; 17; 18; 22) borne in the zone of the bottom (15) of the longitudinal groove into the space tapering in wedge shape, so that the cutting element is clamped via a clamping surface (11) remote from the clamping element against a seating surface (5) in the zone of the longitudinal groove, characterized in that that part of the cutting element which extends into the longitudinal groove in the tool body or in a member (35) connected thereto and is bounded by the clamping and bearing surfaces (11, 12) has a substantially wedge shaped cross-section tapering in the direction of the periphery of the tool body (1, 100) and having a maximum width smaller than the opening width of the longitudinal groove, and the tool body or the member (35) connected thereto has a bearing surface (14, 140) for the cutting element which determines the radial position of the cutting element.
DE8686115293T 1986-11-05 1986-11-05 ROTARY CUTTING TOOL, ESPECIALLY FOR STRAND GRANULATING PLASTICS. Expired - Lifetime DE3671605D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86115293A EP0266447B1 (en) 1986-11-05 1986-11-05 Rotating cutter, especially for a plastic granulator

Publications (1)

Publication Number Publication Date
DE3671605D1 true DE3671605D1 (en) 1990-07-05

Family

ID=8195567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686115293T Expired - Lifetime DE3671605D1 (en) 1986-11-05 1986-11-05 ROTARY CUTTING TOOL, ESPECIALLY FOR STRAND GRANULATING PLASTICS.

Country Status (3)

Country Link
EP (1) EP0266447B1 (en)
AT (1) ATE53178T1 (en)
DE (1) DE3671605D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0344348B1 (en) * 1988-06-02 1993-12-01 Hans Hench Rotating cutter for granulating plastics
DE58905321D1 (en) * 1989-01-03 1993-09-23 Hans Hench CIRCULAR CUTTING TOOL, ESPECIALLY FOR STRAND GRANULATING PLASTICS.
US5042733A (en) * 1990-08-06 1991-08-27 Hans Hench Rotary cutter, particularly for granulating plastic material
EP0956902B1 (en) 1998-05-12 2003-03-26 Holz-, Metall-, Abfall-, Recyclingtechnik GmbH Knife mounting device on a cutter shaft of a disintegrating machine
DE102006042255B4 (en) * 2006-09-08 2014-02-13 Komptech Gmbh shredder
CN103120977B (en) * 2013-03-27 2014-09-10 湖南朝晖环境科技有限公司 Combined conveniently-detached tool for multi-jaw waste material breaker

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE930839C (en) * 1951-10-11 1955-07-25 Westfalia Dinnendahl Groeppel Rotor for centrifugal mills
US2747803A (en) * 1952-07-09 1956-05-29 Pettibone Mulliken Corp Hammer rotor for hammermills
NL7015532A (en) * 1970-10-23 1972-04-25
DE2208687B1 (en) * 1972-02-24 1973-06-14 Hombak Maschinenfab Kg Knife shaft for woodworking machines
NL7205104A (en) * 1972-04-14 1973-10-16
DE2308981A1 (en) * 1973-02-23 1974-09-05 Kampf Maschf Erwin BELT GRANULATING MACHINE
CH584067A5 (en) * 1974-03-15 1977-01-31 Andreas E Dr Hazemag Kg
CA1040072A (en) * 1975-07-14 1978-10-10 Arnold Schmidt Cutter shaft for wood machining apparatus
US4360168A (en) * 1978-12-21 1982-11-23 Conair, Inc. Rotary blade assembly for pelletizer assembly
US4219291A (en) * 1979-03-14 1980-08-26 Hoeh James A Segmented helical rotary cutter and method of making same

Also Published As

Publication number Publication date
EP0266447A1 (en) 1988-05-11
ATE53178T1 (en) 1990-06-15
EP0266447B1 (en) 1990-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee