EP0821637A1 - Cutter head, in particular a planing cutter head - Google Patents
Cutter head, in particular a planing cutter headInfo
- Publication number
- EP0821637A1 EP0821637A1 EP96914896A EP96914896A EP0821637A1 EP 0821637 A1 EP0821637 A1 EP 0821637A1 EP 96914896 A EP96914896 A EP 96914896A EP 96914896 A EP96914896 A EP 96914896A EP 0821637 A1 EP0821637 A1 EP 0821637A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knife
- stop
- cutter head
- head according
- receptacle
- 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
Links
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
-
- 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
- Y10T407/1934—Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
- Y10T407/1938—Wedge clamp element
-
- 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
- Y10T407/1934—Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
- Y10T407/1938—Wedge clamp element
- Y10T407/194—Resilient clamp jaw
-
- 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
- Y10T407/22—Cutters, for shaping including holder having seat for inserted tool
- Y10T407/2272—Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder
- Y10T407/2282—Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder including tool holding clamp and clamp actuator
- Y10T407/2284—Wedge clamp element
Definitions
- the invention relates to a cutter head, in particular a planer cutter head, with the features of the preamble of claim 1.
- a known cutter head of the type mentioned for processing wood has a support body which is provided with several receptacles for knives along its circumference at equal intervals.
- the receptacles are open radially outwards and extend parallel to the axis of rotation of the support body.
- a pressure jaw movable relative to the supporting body and the respective knife is provided in each receptacle.
- the invention is therefore based on the object of improving a cutter head of the type described at the outset. This object is achieved according to the invention by a cutter head with the features of claim 1.
- Fig. 1 is an end view of the embodiment in the prestressed
- a planer cutter head for processing wood or plastic has a support body 1 made from a cylinder, which is provided with a central through bore 3 for receiving a shaft. The center of the Through hole 3 defines the axis of rotation of the support body 1.
- the support body 1 is preferably made of aluminum.
- the support body 1 has two mutually opposite, groove-like receptacles 5, which are open radially outwards and extend parallel to the axis of rotation of the support body 1.
- the planer knife head according to the invention can also have a different number of receptacles, the receptacles being provided at equal intervals in the circumferential direction in order to avoid unbalances.
- a further part of the clamping device is a pressure jaw 17, which is movable along this flank with at least one component in the radial direction.
- the pressure jaw 17 has the shape of a wedge, which has a tapering end that points outwards from the receptacle 5.
- at least one clamping screw 19 is provided, which engages with the pressure jaw 17 in such a way that the pressure jaw 17 can be moved with play by means of this clamping screw 19 both inwards and outwards .
- the clamping screw 19 has an annular groove in its head, into which a projection of the pressure jaw 17 engages with little play.
- the pressure jaw 17 is in a radially outer position.
- the relevant normal force for this friction is the clamping force of the clamping device, in particular the pressure jaw 17.
- the clamping screw 19 initially takes the pressure jaw 17 radially inwards.
- One or more compression springs 35 are provided between the pressure jaw 17 and the holder strip 21. Each compression spring 35 is supported in a blind hole in the pressure jaw 17 and is attached to the holder strip 21 at one end.
- This attachment point lies radially further inward than the contact point formed by the positioning surface 29 and the contact surface 31 between the holder strip 21 and the stop strip 9.
- the pressure spring 35 comes into effect by the movement of the pressure jaw 17 in such a way that it comes into play Exerts torque on the holder bar 21.
- the holder bar 21 pivots about an edge 29 'at the edge of the positioning surface 29.
- the edge 29' is the part of the holder bar 21 which extends under the stop bar 9 the furthest.
- the pivoting movement of the holder bar 21 is directed due to the position of the attachment point of the compression spring 35 so that the holder bar 21 moves away from the knife 7 towards the pressure jaw 17.
- the positioning surface 29 moves away from the contact surface 31, however the edge 29 'remains in linear contact with the contact surface 31.
- the dimensions, angles, movement paths or swiveling ranges of the positioning groove 23, the positioning projection 25, the pressure jaw 17 and the holder bar 21 are selected so that the holder bar 21 can pivot into a position in which it releases the knife 7, and this can be removed radially outwards.
- the parallelism between the free surface 33, the contact surface 31 and the positioning surface 29 in the tensioned and pretensioned state ensures that even after grinding the breast 13 due to the displacement of the holder strip 21 parallel to the free surface 33 when tensioning, the distance between the new cutting edge 7 'and the axis of rotation of the support body 1, that is to say the new radius of the flight circle, coincides with the old radius.
- the knife 7, the stop bar 9, the pressure jaw 17 and the holder bar 21 extend exactly like the receptacle 5 parallel to the axis of rotation of the supporting body 1, preferably over its entire length. For the production of these parts, it is advisable to use profile bars and saw them to the correct length.
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)
- Milling, Drilling, And Turning Of Wood (AREA)
- Harvester Elements (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Milling Processes (AREA)
- Liquid Crystal (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Knives (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29506458U | 1995-04-15 | ||
DE29506458U DE29506458U1 (en) | 1995-04-15 | 1995-04-15 | Knife head, in particular planer knife head |
PCT/EP1996/001539 WO1996033056A1 (en) | 1995-04-15 | 1996-04-11 | Cutter head, in particular a planing cutter head |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0821637A1 true EP0821637A1 (en) | 1998-02-04 |
EP0821637B1 EP0821637B1 (en) | 1998-09-09 |
Family
ID=8006902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96914896A Expired - Lifetime EP0821637B1 (en) | 1995-04-15 | 1996-04-11 | Cutter head, in particular a planing cutter head |
Country Status (10)
Country | Link |
---|---|
US (1) | US5904193A (en) |
EP (1) | EP0821637B1 (en) |
JP (1) | JP2869193B2 (en) |
CN (1) | CN1064578C (en) |
AT (1) | ATE170792T1 (en) |
BR (1) | BR9608006A (en) |
DE (2) | DE29506458U1 (en) |
ES (1) | ES2120812T3 (en) |
MY (1) | MY116388A (en) |
WO (1) | WO1996033056A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10155324B2 (en) | 2014-10-10 | 2018-12-18 | Leitz Gmbh & Co. Kg | Cutter head for cutting materials, and cutter therefor |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19536559A1 (en) * | 1995-10-02 | 1997-04-03 | Bosch Gmbh Robert | Planing machine, in particular hand planing machine |
DE19717702B4 (en) * | 1997-04-26 | 2006-04-20 | Robert Bosch Gmbh | Portable planer |
DE19835725B4 (en) * | 1998-08-07 | 2016-08-04 | Robert Bosch Gmbh | planer head |
DE19835724B4 (en) * | 1998-08-07 | 2007-04-26 | Robert Bosch Gmbh | planer head |
SE514028C2 (en) * | 1998-10-27 | 2000-12-11 | Sandvik Ab | Cutter for rotatable cutting tools |
DE19858740C1 (en) * | 1998-12-18 | 2000-06-08 | Paul Guels Maschinenbau | Cutter tool head with cutter and cutter holder, with fixing device having holding force applied between V-shaped angled contact surfaces |
US6968879B2 (en) * | 2001-07-30 | 2005-11-29 | Key Knife, Inc. | Knife and apparatus for clamping a knife |
CA2686678C (en) * | 2002-01-17 | 2013-05-28 | Iggesund Tools Ab | Method for the simultaneous sharpening of opposed cutting edges |
FI20021248A0 (en) * | 2002-06-26 | 2002-06-26 | Metso Paper Inc | Procedure for squeezing bites |
US7011261B2 (en) * | 2004-07-20 | 2006-03-14 | Chen Yu Machinery Industry Co., Ltd. | Cutting tool of a cutting machine used for cutting plastic materials into granules |
US7517178B2 (en) * | 2005-04-01 | 2009-04-14 | Great Lakes Custom Tool Mfg., Inc. | Rotary cutter head |
US7735531B2 (en) * | 2006-08-10 | 2010-06-15 | Les Produits Gilbert Inc. | Planing head for a planing machine and method of manufacture thereof |
US8033308B2 (en) * | 2007-01-08 | 2011-10-11 | Key Knife, Inc. | Double-sided wear insert for a chipper |
US20090200411A1 (en) * | 2008-02-07 | 2009-08-13 | Stager Bradley R | Chipping knife and assembly |
IL195601A (en) * | 2008-11-30 | 2013-11-28 | Iscar Ltd | Clamping mechanism |
CN105745053B (en) * | 2013-11-21 | 2018-03-23 | Fam公司 | Knife assembly for corrugated blade and the diced system equipped with the knife assembly |
CH709488A1 (en) * | 2014-04-14 | 2015-10-15 | Oertli Werkzeuge Ag | Tool head and method for inserting and clamping a cutting board and cutting board. |
US9802334B2 (en) | 2014-07-10 | 2017-10-31 | Kimwood Corporation | Cutter head assembly for a knife planer |
CN105619550A (en) * | 2014-11-26 | 2016-06-01 | 广西大学 | Milling cutter |
CN105437324A (en) * | 2015-12-29 | 2016-03-30 | 镇江新区利达工具有限公司 | Changeable tool bit with helical edges |
TWM531893U (en) * | 2016-06-01 | 2016-11-11 | Shinmax Industry Co Ltd | Spindle cutter head |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1611298A (en) * | 1924-05-29 | 1926-12-21 | Crescent Machine Company | Rotary cutter head |
DE6933019U (en) * | 1969-08-20 | 1969-12-04 | Leitz Fa Geb | KNIFE HEAD WITH A FACING SURFACE FOR A KNIFE LOCKABLE ON THIS AND KNIFE FOR THIS KNIFE HEAD |
DE2208687B1 (en) * | 1972-02-24 | 1973-06-14 | Hombak Maschinenfab Kg | Knife shaft for woodworking machines |
DE2559406A1 (en) * | 1972-03-24 | 1977-03-31 | Schaefer Karl A R | DISPOSABLE KNIVES FOR WOOD CHIPPING MACHINES |
NL7205104A (en) * | 1972-04-14 | 1973-10-16 | ||
FR2200089B1 (en) * | 1972-09-16 | 1976-05-14 | Hombak Maschinenfab Kg | |
CA1040072A (en) * | 1975-07-14 | 1978-10-10 | Arnold Schmidt | Cutter shaft for wood machining apparatus |
DE2730800C3 (en) * | 1977-07-07 | 1980-02-21 | Vereinigte Edelstahlwerke Ag (Vew), Wien | Knife arrangement for a bevel cutter shaft of a wood cutting machine |
DE3102065C2 (en) * | 1980-03-08 | 1986-01-09 | Eugen Lutz GmbH u. Co Maschinenfabrik, 7130 Mühlacker | Knife holder for knife shafts or knife heads |
DE3120249C2 (en) * | 1981-05-21 | 1983-03-17 | Hombak Maschinenfabrik Gmbh & Co Kg, 6550 Bad Kreuznach | "Knife holder for the knife shaft of a wood cutting machine" |
DE8301544U1 (en) * | 1983-01-21 | 1983-07-07 | Hombak Maschinenfabrik Gmbh & Co Kg, 6550 Bad Kreuznach, De | SCRATCHER FOR A WOOD CHIPING TOOL |
DE3636618A1 (en) * | 1986-10-28 | 1988-05-05 | Babcock Bsh Ag | KNIFE SHAFT |
EP0265622B1 (en) * | 1986-10-28 | 1993-06-02 | Oertli Werkzeuge Ag | Cutter block |
CH679755A5 (en) * | 1989-10-04 | 1992-04-15 | Oertli Werkzeuge Ag | Blade for cutting head of power driven rotor plane - is prevented from being inserted too deeply in fixing groove by spring-loaded ball |
ATE140419T1 (en) * | 1989-11-17 | 1996-08-15 | Peter Frey Consulting | CENTRIFLY-ACTUATED QUICK-RELEASE DEVICE FOR PLANER KNIFE |
AT398403B (en) * | 1993-03-23 | 1994-12-27 | Boehler Ybbstalwerke | KNIFE ROLLER AND COMB KNIFE FOR KNIFE SHAFT CUTTER |
US5333659A (en) * | 1993-07-21 | 1994-08-02 | Key Knife, Inc. | Knife holder |
CN1272038C (en) * | 2005-02-02 | 2006-08-30 | 广西康华药业有限责任公司 | Preparation of Chinese medicinal suppository for treating female chronic cervicitis |
-
1995
- 1995-04-15 DE DE29506458U patent/DE29506458U1/en not_active Expired - Lifetime
-
1996
- 1996-04-11 AT AT96914896T patent/ATE170792T1/en active
- 1996-04-11 US US08/930,971 patent/US5904193A/en not_active Expired - Lifetime
- 1996-04-11 ES ES96914896T patent/ES2120812T3/en not_active Expired - Lifetime
- 1996-04-11 JP JP8531451A patent/JP2869193B2/en not_active Expired - Fee Related
- 1996-04-11 EP EP96914896A patent/EP0821637B1/en not_active Expired - Lifetime
- 1996-04-11 WO PCT/EP1996/001539 patent/WO1996033056A1/en active IP Right Grant
- 1996-04-11 CN CN96193305A patent/CN1064578C/en not_active Expired - Fee Related
- 1996-04-11 BR BR9608006A patent/BR9608006A/en not_active IP Right Cessation
- 1996-04-11 DE DE59600548T patent/DE59600548D1/en not_active Expired - Lifetime
- 1996-04-12 MY MYPI96001400A patent/MY116388A/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9633056A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10155324B2 (en) | 2014-10-10 | 2018-12-18 | Leitz Gmbh & Co. Kg | Cutter head for cutting materials, and cutter therefor |
Also Published As
Publication number | Publication date |
---|---|
EP0821637B1 (en) | 1998-09-09 |
CN1064578C (en) | 2001-04-18 |
ES2120812T3 (en) | 1998-11-01 |
US5904193A (en) | 1999-05-18 |
ATE170792T1 (en) | 1998-09-15 |
BR9608006A (en) | 1999-01-05 |
CN1181725A (en) | 1998-05-13 |
JPH10507421A (en) | 1998-07-21 |
MY116388A (en) | 2004-01-31 |
DE59600548D1 (en) | 1998-10-15 |
WO1996033056A1 (en) | 1996-10-24 |
JP2869193B2 (en) | 1999-03-10 |
DE29506458U1 (en) | 1995-07-06 |
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