EP0914912A2 - Appareil pour le positionnement radiale des lames de coupes dans des têtes de fraisage pour le travail du bois ou du plastique - Google Patents

Appareil pour le positionnement radiale des lames de coupes dans des têtes de fraisage pour le travail du bois ou du plastique Download PDF

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Publication number
EP0914912A2
EP0914912A2 EP98102951A EP98102951A EP0914912A2 EP 0914912 A2 EP0914912 A2 EP 0914912A2 EP 98102951 A EP98102951 A EP 98102951A EP 98102951 A EP98102951 A EP 98102951A EP 0914912 A2 EP0914912 A2 EP 0914912A2
Authority
EP
European Patent Office
Prior art keywords
profile
knife
wave
edge edges
elements
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
EP98102951A
Other languages
German (de)
English (en)
Other versions
EP0914912A3 (fr
EP0914912B1 (fr
Inventor
Bernd Stegmaier
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.)
Hapro-Hartmetall-Profiltechnik GmbH
Original Assignee
Hapro-Hartmetall-Profiltechnik 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 Hapro-Hartmetall-Profiltechnik GmbH filed Critical Hapro-Hartmetall-Profiltechnik GmbH
Publication of EP0914912A2 publication Critical patent/EP0914912A2/fr
Publication of EP0914912A3 publication Critical patent/EP0914912A3/fr
Application granted granted Critical
Publication of EP0914912B1 publication Critical patent/EP0914912B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/02—Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks
    • B27G13/04—Securing the cutters by mechanical clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
    • B27G13/10—Securing the cutters, e.g. by clamping collars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1908—Face or end mill
    • Y10T407/1912—Tool adjustable relative to holder
    • Y10T407/1914—Radially
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1928—Tool adjustable relative to holder
    • Y10T407/193—Radially
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/23—Cutters, for shaping including tool having plural alternatively usable cutting edges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9464—For rotary tool
    • Y10T83/9469—Adjustable
    • Y10T83/9471—Rectilinearly

Definitions

  • the invention relates to a device for step change radial fixing of the knives in knife heads Wood or plastic processing.
  • Knife heads for wood or plastic processing operated at high speeds, causing the knives to operate are subjected to enormously high centrifugal forces. This requires one Sufficiently secure mounting of the knives in the knife head so that these are not affected by centrifugal forces during operation can move radially. Because a possible radial shift of a knife in the rapidly rotating knife head would not only mean a significant risk of accident, but also on the uselessness of the processed products to lead.
  • the invention has for its object a device for the radial fixing of cutting inserts in fast rotating To create cutter heads that are absolutely slip-proof radial fixing of the knife plate ensures a step-by-step adjustability of the knife plate allows at least one radial step, and also light and is inexpensive to manufacture.
  • the device according to the invention consists of the two Side edges of the knife plate, i.e. at the in the knife head inserted knife plate in the radial direction edges, ground wave profiles and out in these two Corresponding engaging counter elements on the wave profiles the knife holder of the knife head.
  • the counter elements can with appropriate design of the wave profile in its simplest embodiment as a cylindrical pin be formed, each with its outer surface in one intervene in the corresponding bay of the relevant wave profile, or they can, which is a preferred embodiment represents, designed as claws, each one to the wave profiles on the side edge areas of the knife inserts have complementary ground wave profile and with their profile projections each in a profile bay engage the knife plate.
  • the wave profile on the side edges the knife plate has to match the length of it provided knife edge, a larger extension as the complementary counter profile of the counter elements, thus a radial adjustability of the knife plate by at least one level, i.e. at least one wave division of the Wave profile, is possible.
  • the edge regions provided with the wave profile are preferably the knife plate compared to the rest of the course Knife side edges reset, so that one side indentation or a side incision on the Knife plate is formed.
  • Knife plates provided as indexable inserts are located the ground-in wave profiles of course in each case Middle of the relevant side edge.
  • the fixing device according to the invention has the advantage that they are absolutely reliable with easy manufacture is. This advantage arises in particular over conventional ones Devices with openings in the knife plate and work in these engaging counter elements. Because openings in the knife insert are in the hard metal difficult to manufacture, especially with the necessary Accuracy, and where raw breakthroughs with plastic fillings are used to accommodate precise holes these holes in relatively soft material.
  • FIG. 1 shows a knife plate 1 with a front edge 11, where a cutting edge is to be ground, a trailing edge 12 and two side edges 13.
  • the rear areas of the side edges 13 have incisions 14, one at each Wave profile 15 is ground.
  • Claw-shaped counter elements 2 engage in the wave profile a, which are provided with a complementary wave profile 21 are and holes 22 for pinning the knife holder of the cutter head.
  • the wave profiles in the incisions 14 of the side edges 13 the knife plate have a longer length, i.e. more waves, than the wave profile of the claw-shaped counter-elements 2, so that the knife plate is adjustable in its position.
  • the knife plate a shaft pitch set to be kept forward.
  • the knife plate 1 is designed as an indexable insert to grind of cutting edges on both their leading edge 11 and to allow the rear edge 12.
  • the side incisions 14 with the ground-in wave profile 15 are located in each case in the middle of the side edges 13 of the knife plate.
  • the knife plate is designed symmetrically. in the the rest is the design of the fixing device with the Notches 14, the wave profiles 15 ground there, and the corresponding counter elements 2 the same as in Embodiment according to Fig. 1st
  • Fig. 3 shows a simplified embodiment of the invention Device that is used in conjunction with a easy-to-use knife plate as well as with a turning plate trained knife plate is applicable.
  • the counter elements are 2 designed as cylindrical pins with their outer surface directly with the wave profile 15 in the indentations 14 the side edges 13 of the insert 1 engage.
  • the wave profile be simplified by putting it together semi-circular wave bays is formed, while the wave hills are missing.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Details Of Cutting Devices (AREA)
  • Knives (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Laminated Bodies (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP19980102951 1997-10-31 1998-02-20 Appareil pour le positionnement radiale des lames de coupes dans des têtes de fraisage pour le travail du bois ou du plastique Expired - Lifetime EP0914912B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29719419U 1997-10-31
DE29719419U DE29719419U1 (de) 1997-10-31 1997-10-31 Vorrichtung zur radialen Messerfestlegung in Messerköpfen für die Holz- oder Kunststoffverarbeitung

Publications (3)

Publication Number Publication Date
EP0914912A2 true EP0914912A2 (fr) 1999-05-12
EP0914912A3 EP0914912A3 (fr) 2004-01-28
EP0914912B1 EP0914912B1 (fr) 2006-04-26

Family

ID=8048044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980102951 Expired - Lifetime EP0914912B1 (fr) 1997-10-31 1998-02-20 Appareil pour le positionnement radiale des lames de coupes dans des têtes de fraisage pour le travail du bois ou du plastique

Country Status (7)

Country Link
US (1) US6202721B1 (fr)
EP (1) EP0914912B1 (fr)
AT (1) ATE324234T1 (fr)
DE (2) DE29719419U1 (fr)
DK (1) DK0914912T3 (fr)
ES (1) ES2264177T3 (fr)
PT (1) PT914912E (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6926051B2 (en) * 2000-08-21 2005-08-09 Anders Engman Planing cutter
US6327951B1 (en) * 2000-09-01 2001-12-11 Tigra Hartstoff Gmbh Mounting arrangement for hard metal cutting blades in cutting heads
DE10124653A1 (de) * 2001-05-18 2002-11-21 Hapro Holzbearbeitungs Werkzeu Formschlußverbindung zwischen Messerplatte und Rückenplatte oder Druckstück in Messerköpfen für die Holzbearbeitung
US6964208B2 (en) * 2002-03-01 2005-11-15 Karrip John K Measuring device for wood cutting tool
DE102006009416A1 (de) * 2006-02-23 2007-08-30 Güls, Martin, Dipl.-Ing. Messerwerkzeugkopf sowie Messer und Messerhalter hierfür
US8033308B2 (en) * 2007-01-08 2011-10-11 Key Knife, Inc. Double-sided wear insert for a chipper
GB202117555D0 (en) * 2021-12-03 2022-01-19 Monaghan Shane Patrick Oscillating tool/multitool blade attachment that can be snapped/broken off in increments to reveal a new edge

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US420522A (en) * 1890-02-04 Feed-roller
US1037146A (en) * 1911-10-27 1912-08-27 Frank A Hunter Metal-cutting saw.
US1380686A (en) * 1919-05-08 1921-06-07 Western Electric Co Cutter-head
US1458671A (en) * 1921-12-31 1923-06-12 Anna H Westgard Saw construction
US1546138A (en) * 1923-11-15 1925-07-14 Lambert David Boring and reaming tool
US1650884A (en) * 1925-02-19 1927-11-29 Westgard Anton Saw construction
US1642185A (en) * 1925-02-19 1927-09-13 Westgard Anton Saw construction
US1810823A (en) * 1930-06-13 1931-06-16 Henry Disston & Sons Inc Circular saw
FR859584A (fr) * 1939-04-03 1940-12-21 Fabrication d'une fraise à bois à lames courbes et interchangeables
US2591614A (en) * 1950-03-21 1952-04-01 Elmer P Sacrey Rotary cutter head with slotted bit seats
US3119294A (en) * 1960-09-01 1964-01-28 Du Pont Cutting apparatus with adjustable blade means
GB1316637A (en) * 1970-06-09 1973-05-09 Wadkin Ltd Rotary cutter for woodworking and similar machines
DE2339325C2 (de) * 1973-08-03 1975-03-20 Maschinenfabrik B. Maier Kg, 4812 Brackwede Messerkopf für Holzzerspanungsmaschinen
US3946474A (en) * 1974-06-03 1976-03-30 Conestoga Wood Products, Inc. Rotary cutting head
DE3030206A1 (de) * 1980-08-09 1982-03-11 Michael Weinig GmbH & Co KG, 6972 Tauberbischofsheim Maschine zum fraesen, hobeln u.dgl.
US4343215A (en) * 1980-09-11 1982-08-10 The United States Of America As Represented By The Secretary Of The Treasury Perforating cylinder
US4400117A (en) * 1981-05-04 1983-08-23 Milling Specialties, Inc. Insert type milling cutter
DE8906924U1 (de) * 1989-06-06 1989-07-27 Elsen, Reinhold W., Dr.-Ing., 5000 Köln Spanmesser
US5176191A (en) * 1991-07-22 1993-01-05 Woodmaster Tools, Inc. Holder for rotating cutting knives
DE9414327U1 (de) * 1994-09-03 1994-11-03 Hapro Hartmetall-Profiltechnik GmbH, 73488 Ellenberg Messerplattenhalterung für Messerköpfe

Also Published As

Publication number Publication date
ES2264177T3 (es) 2006-12-16
EP0914912A3 (fr) 2004-01-28
DE59813511D1 (de) 2006-06-01
US6202721B1 (en) 2001-03-20
DE29719419U1 (de) 1998-04-16
DK0914912T3 (da) 2006-08-21
PT914912E (pt) 2006-09-29
EP0914912B1 (fr) 2006-04-26
ATE324234T1 (de) 2006-05-15

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