EP1074357A2 - Vorrichtung mit drehenden Schneidmessern - Google Patents
Vorrichtung mit drehenden Schneidmessern Download PDFInfo
- Publication number
- EP1074357A2 EP1074357A2 EP00114069A EP00114069A EP1074357A2 EP 1074357 A2 EP1074357 A2 EP 1074357A2 EP 00114069 A EP00114069 A EP 00114069A EP 00114069 A EP00114069 A EP 00114069A EP 1074357 A2 EP1074357 A2 EP 1074357A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting knife
- receiving
- platen
- concave
- wedge
- 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.)
- Withdrawn
Links
Images
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
Definitions
- the invention relates to a device with rotating Cutting knives for use in the field of woodworking and the like
- a device with rotating cutting blades on the Field of woodworking and the like for example device 60 11 and 12 known, in the middle of a support body 61 a mounting hole 64 for mounting the output shaft 63 a Motor 62 is provided, being in a concave depression 65 on the circumference of the carrier body 61, a cutting knife 66 is received, which is under Bearing on a clamping plate 67 by means of a clamping screw 68 is held on the peripheral side of the support body 61 of one side of the platen 67 is screwed here.
- the cutting knife at a certain distance 66 in several places of the Support body 61, e.g. provided in 4 places.
- this device 60 with rotating cutting blades as in FIG Fig.12 shown, when applied to a multi-spindle machine the whole
- the outer circumference of the device 60 is covered by a cover 69 so that one of the noises arising when processing material 71 or can face the splashing of the chips.
- This cover is 69 a hinged lid 70 for maintenance work, e.g. Exchange of Cutting knife 66 provided.
- the invention is therefore based on the object, with elimination of the problems mentioned, a device with rotating cutting blades to create an easy, safe and quick exchange of the Cutting knife and a simple mechanism for Attachment of the cutting knife allowed by placing one on the circumference of the carrier body introduced a concave countersink is recorded, with its one side surface on a side wall of the concave countersink, the cutting edge of the cutting knife, the one with its one side surface on the other side of the Platen rests from the peripheral surface of the support body protrudes, being by a pressure body with its one Side surface rests on the other side surface of the cutting knife, and the platen of the cutting knife is clamped, on the other side of the pressure body receiving body with one after the Axis of rotation of the rotating spindle is provided inclined receiving surface, a wedge body on the receiving surface of the receiving body has a contact surface and the pressure body in the direction against one side wall of the concave countersunk, slidably abuts, and wherein an entry and exit means is connected to
- the Device with rotating cutting blades a support body with a central mounting hole for the rotating spindle, a concave Lowering on the circumference of the support body, one concave in this Countersunk mounting platen with one side surface against a side wall of the concave countersink, a cutting knife, the one with its one side surface on the other side of the Platen rests and its cutting edge from the peripheral surface protrudes from the support body, a pressure body, with its one Side surface rests on the other side surface of the cutting knife and clamps the cutting knife together with the platen, one provided on the other side of the pressure body with the receiving body a receiving surface inclined according to the axis of rotation of the rotating spindle, a wedge body, one on the receiving surface of the receiving body has sliding contact surface and the pressure body in Direction against one side wall of the concave depression, and an entry and exit means that is connected to the wedge body and postpones it.
- the cutting knife has a detachable Connection means is integrally connected to the platen that the clamping plate is held in place by a securing means, that with its locking projection on one side surface in a Receiving groove engages that on one side wall of the concave depression is introduced parallel to the axis of rotation of the rotating spindle, and that the Platen by a provided at the bottom of the concave countersink Spring is always applied in the direction of the centrifugal force. It is also provided that the receiving surface of the receiving body and the contact surface of the wedge body is formed in several stages.
- A is a device with rotating cutting knives shown in the field of woodworking and the like for surface processing or for machining grooves and Serves gradations and essentially from a carrier body 1, concave Countersinks 2, clamping plates 3, cutting knives 4, pressure bodies 5, Receiving bodies 6, wedge bodies 7 and means 8 for extending and retracting consists.
- Fig. 1-3 and Fig. 7 each show a first embodiment, the support body 1 made of steel or the like. than having a cylinder body of a certain length. In the longitudinal direction of the cylinder is how shown in Figure 7, a mounting hole 9 is made in the middle, into which the rotating spindle P of a cutting tool (motor) M is inserted becomes.
- the concave depressions 2 are on the peripheral surface of the Carrier body 1 in several places, e.g. at 4 places (or if necessary at more than 4 or less than 4 digits).
- the platen 3 is used to store what is described below Cutting knife 4, has almost the same length as the carrier body 1 and is included in the concave depression 2 such that its one Side surface 3a abuts a side wall 2a of the concave depression 2.
- the platen 3 is also with the help of a securing means 12 recorded, in which a locking projection 10 on their one Side surface 3a engages in a receiving groove 11, which on a Side wall 2a of the concave depression 2 parallel to the axial direction of the Fastening hole 9 of the rotary spindle is introduced.
- the lower end of the platen 3 is also by a spring 13 on the bottom of the concave depression 2 always in the direction of Centrifugal force, i.e. from the center of the carrier body 1 to the outside acted upon.
- This spring 13 acts, as shown in Fig.1 and 2, on a lower end of the platen 3 adjacent spherical body 13a with this together and is in the form of a coil spring on the bottom of the concave Countersink 2 executed or in the form of a leaf spring, not shown, which is between the lower end of the platen 3 and the floor the concave depression 2 is located.
- the cutting knife 4 the length of which is almost the same as the width of the Carrier body 1, so also the platen 3, from Tungsten carbide or high-speed steel lies with its one Side surface 4a on the other side surface 3b of the platen 3 and, when inserted in the concave depression 2, protrudes with its cutting edge 14 out of the peripheral surface of the carrier body 1.
- the cutting knife 4 is otherwise by means of a detachable Connecting means 15 connected in one piece to the platen 3. with the help of an external thread and the like, which in the internal thread 16 screw in at one or more points of the cutting knife 4 is, and is thus from the front side of the carrier body 1 in Longitudinal direction under the guidance of the receiving groove 11 of the securing means 12 can be pushed in and out.
- the pressure body 5 lies with its one side surface 5a other side surface 4b of the cutting knife 4 and jams when it is included in the concave depression 2, together with the Platen 3 the cutting knife 4.
- the other side surface 5b the pressure body 5 is designed so that it is the other Side wall 2b approximates the concave depression 2, or, in other words, between this outer side surface 5b and the other side wall 2b there is almost no column when the platen 3, the Cutting knife 4 and the pressure body 5 in the concave depression 2 are included.
- the receiving body 6 on the other side surface 5b of the pressure body 5 has a receiving surface 6a, which extends in the direction of the axis of rotation of the Rotary spindle (mounting hole 9) inclines and at the bottom described wedge body 7 abuts, and lies the receiving depression 17th opposite, on the carrier body 1 with the concave depression 2nd is trained to communicate.
- the length of the receiving body 6 is dimensioned so that it in the receiving depression 17 between the in the longitudinal direction of the Carrier body 1 may lie one after the other stops 18, 18, to the unnecessary movement of the pressure body in the recess 17 5 to prevent in the longitudinal direction.
- the wedge body 7 is slidably received in the receiving recess 17 and has a contact surface 7a, which is slidable on the receiving surface 6a of the receiving body 6 rests. It serves to act upon the Pressure body 6 in the direction against the one side wall 2a of the concave Lowering 2.
- the contact surface 7a inclines in the same way as in of the receiving surface 6a, that is in the direction of the axis of rotation of the rotating spindle (Mounting hole 9), and the other side surface 7b of the Contact surface 7a lies on the axis of rotation of the rotating spindle (Mounting hole 9) parallel plane on the rear wall 17a Reduction in intake 17.
- the receiving surface 6a of the receiving body 6 and the contact surface 7a of the wedge body 7, as shown in FIGS. 3, 4 and 6, be designed in several stages. With this multi-level division, you can even with the longer support body 1 in the longitudinal direction, that is, with a longer one Cutting edge 14 of the cutting knife 4, despite the thinner dimension S the width is a sufficient one from the receiving surface 6a and the contact surface 7a formed wedge surface is achieved in the longitudinal direction, as in Fig.3 shown.
- the retraction and extension means 8 connects to the wedge body 7 and moves this in the longitudinal direction of the carrier body 1. It is used for Loading and unloading of the pressure body 5, thus also of the cutting knife 4, towards one side wall 2a of the concave depression 2 and usually thread-like.
- the retracting and extending means 8 is like this trained that in the longitudinal direction on both sides (or one Side) of the support body 1 introduced internal thread 19, 19 on Main external thread 21 formed at one end of the threaded pin 20 screwed and into the internal thread on the wedge body 7 23 a formed at the other end of the threaded pin 20 Movement external thread 22.
- the internal thread 19, the main 21 and the movement internal thread 23 and the external movement thread 22 are opposite to each other formed, the external movement thread 22 a smaller Diameter has the main external thread 21.
- the Wedge body 7 With a further screwing of the threaded pin 20, the Wedge body 7 can be moved in the longitudinal direction of the carrier body 1.
- the rotation of the threaded pin 20 is advantageously carried out by Engaging a hexagon wrench (not shown) or the like. in the tool bore 20a made at the outer end, e.g. Hexagon socket.
- This separating means is designed so that one leg 25 of the approximately L-shaped torsion spring in a on the front of the Carrier body 1 inserted receiving groove 26 inserted and the other Leg 27 of the torsion spring in one on the end face of the pressure body 5 introduced receiving groove 28, the central portion of the Torsion spring by means of a fastening element 29, e.g. Screw, is set.
- the upper end of the counterbore 17 has a cover 30 closed, which is fixed by a fastener 31, to prevent chips from sticking and to increase safety can.
- the inventive device designed as described above A with rotating cutting knife works as follows: First, the wedge body 7, with its Contact surface 7a after the concave depression 2 directed, used and the grub screw 20 with its preceding external movement thread 22 inserted into the internal thread 19.
- the external movement thread 22 then becomes the internal movement thread 23 screwed in, and by the corresponding effect the Wedge body 7 pulled after the stop 18 until the edge of the wedge body 7 rests against the inner surface of the stop 18 and thus the displacement of the wedge body 7 is inhibited.
- the cutting knife 4 and the platen 3 are through the spring 13 in the direction against the circumference of the carrier body 1 acted upon and by pressing the upper edge of the locking projection 10 to the upper inner edge of the receiving groove 11 of the securing means 12 positioned so that the cutting edge protrudes evenly 14 of the cutting knife 4 is achieved.
- the grub screw 20 is turned loosened and thus the wedge body 7 pulled back, so that Contact surface 7a gradually separated from the receiving surface 6a, the Pressing the cutting knife 4 against the one side wall 2a of the concave Lowering 2 is loosened and at the same time the release agent 24 the pressure body 5 acts in the direction against the receiving depression 17, whereby a gap occurs between the pressure body 5 and the cutting knife 4.
- the loosening and tightening of the Set screw 20 of the retracting and extending means 8, as shown in FIG. be carried out from the end face of the carrier body 1, so that to attach the cutting knife 4 from the same direction or can remove as when attaching the support body 1 to the rotating spindle P and the work is prevented relatively little, even if the Device A is provided with a protective cover (not shown).
- Fig. 8 shows with A a second embodiment for the Device with rotating cutting knives, the wedge body 7 on the bottom of the pressure body 5 is arranged without the basic structure of the described first example is different.
- the pressure body 5 is on the other hand with one side surface 5a on the other side surface 4b of the cutting knife 4 and clamps thus in the concave depression 2 together with the platen 3 Cutting knife 4, the other side surface 5b of the pressure body 5 at the front end 32a of a set screw 32, which in the Carrier body 1 screwed in obliquely downward (approximately towards the center) is.
- the set screw 32 is used in cooperation with a double screw 33 to prevent the solution.
- FIG. 9 shows with A a third embodiment for the Device with rotating cutting knives.
- This is a variation of the second embodiment, in which the wedge body 7 is arranged at the bottom of the pressure body 5 without the basic structure is different from the first example described.
- This Wedge body 7, the other side surface 7b from the bottom surface of the concave depression 2 is worn, as shown in Fig.10, with his protruding contact surface 7a on the nutratige receiving surface 6a of the Receiving body 6 on the bottom of the pressure body 5.
- the pressure body 5 with a depending on the circumference of the support body 1 tapering trapezoidal cut lies with his one Side surface 5a on the other side surface 4b of the cutting knife 4 and clamps in the concave depression 2 with an almost trapezoidal Cut together with the platen 3, the cutting knife 4.
- the groove-like receiving surface 6a of the Receiving body 6 and the protruding contact surface 7a of the wedge body 7 be formed in several stages in order to extend the length to adapt the carrier body 1.
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)
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
Description
- P
- Drehspindel
- 1
- Trägerkörper
- 2
- konkave Senkung
- 2a
- eine Seitenwand der konkaven Senkung 2
- 3
- Aufspannplatte
- 3a
- eine Seitenfläche der Aufspannplatte 3
- 3b
- andere Seitenfläche der Aufspannplatte 3
- 4
- Schneidmesser
- 4a
- eine Seitenfläche des Schneidmessers 4
- 4b
- andere Seitenfläche des Schneidmessers 4
- 5
- Druckkörper
- 5a
- eine Seitenfläche des Druckkörpers 5
- 5b
- andere Seitenfläche des Druckkörpers 5
- 6
- Aufnahmekörper
- 6a
- Aufnahmefläche
- 7
- Keilkörper
- 7a
- Anlagefläche
- 8
- Ein- und Ausfahrmittel
- 9
- Befestigungsbohrung
- 10
- Rastvorsprung
- 11
- Aufnahmenut
- 12
- Sicherungsmittel
- 13
- Feder
- 14
- Schneidkante
- 15
- Verbindungsmittel
Claims (3)
- Vorrichtung mit drehenden Schneidmessern, umfassend einen Trägerkörper mit einer zentralen Befestigungsbohrung für den Drehspindel, eine konkaven Senkung auf dem Umfang des Trägerkörpers, eine in dieser konkaven Senkung aufgenommene Aufspannplatte, die mit ihrer einen Seitenfläche an einer Seitenwand der konkaven Senkung anliegt, einen Schneidmesser, der mit seinem einen Seitenfläche an der anderen Seite der Aufspannplatte anliegt und dessen Schneidkante aus der Umfangsfläche des Trägerkörpers herausragt, einen Druckkörper, der mit seinem einen Seitenfläche an der anderen Seitenfläche des Schneidmessers anliegt und zusammen mit der Aufspannplatte den Schneidmesser einklemmt, einen auf der anderen Seite des Druckkörpers vorgesehenen Aufnahmekörper mit einer nach der Drehachse des Drehspindels geneigte Aufnahmefläche, einen Keilkörper, der eine an der Aufnahmefläche des Aufnahmekörpers gleitbar anliegende Anlagefläche aufweist und den Druckkörper in Richtung gegen die eine Seitenwand der konkaven Senkung beaufschlagt, und ein Ein- und Ausfahrmittel, das mit dem Keilkörper verbunden wird und diesen verschiebt.
- Vorrichtung mit drehenden Schneidmessern nach Anspruch 1, dadurch gekennzeichnet, daß der Schneidmesser über ein lösbares Verbindungsmitel mit der Aufspannplatte einteilig verbunden ist, daß die Aufspannplatte durch ein Sicherungsmittel derart festgehalten wird, daß sie mit ihrem Rastvorsprung auf der einen Seitenfläche in eine Aufnahmenut eingreift, die an der einen Seitenwand der konkaven Senkung parallel zur Drehachse des Drehspindels eingebracht ist, und daß die Aufspannplatte durch eine am Boden der konkaven Senkung vorgesehene Feder stets in Richtung der Zentrifugalkraft beaufschlagt ist.
- Vorrichtung mit drehenden Schneidmessern nach Anspruch 1, dadurch gekennzeichnet, daß die Aufnahmefläche des Aufnahmekörpers und die Anlagefläche des Keilkörpers mehrstufig ausgebildet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22067699 | 1999-08-04 | ||
JP11220676A JP2001038704A (ja) | 1999-08-04 | 1999-08-04 | 回転刃物装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1074357A2 true EP1074357A2 (de) | 2001-02-07 |
EP1074357A3 EP1074357A3 (de) | 2002-03-13 |
Family
ID=16754728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00114069A Withdrawn EP1074357A3 (de) | 1999-08-04 | 2000-07-06 | Vorrichtung mit drehenden Schneidmessern |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1074357A3 (de) |
JP (1) | JP2001038704A (de) |
TW (1) | TW445198B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102744755A (zh) * | 2012-07-25 | 2012-10-24 | 章丘市宇龙机械有限公司 | 一种木屑机专用刀辊 |
DE102014015199A1 (de) * | 2014-10-10 | 2016-04-14 | Leitz Gmbh & Co. Kg | Messerkopf zur spanenden Bearbeitung von Werkstoffen und Messer hierfür |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL195601A (en) * | 2008-11-30 | 2013-11-28 | Iscar Ltd | Daphne mechanism |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE366560C (de) * | 1919-02-15 | 1923-01-06 | Karl Boellert | Messerbefestigung an Messerwellen und Messerkoepfen zur Holzbearbeitung |
US1527650A (en) * | 1922-10-26 | 1925-02-24 | James B Hunt | Rotary cutting tool |
CH229903A (de) * | 1941-06-25 | 1943-11-30 | Fischer Ag Georg | Messerwelle für Hobelmaschinen. |
DE858602C (de) * | 1951-07-05 | 1952-12-08 | Heinrich Gensheimer & Soehne M | Sicherheitsmesserwelle |
DE891142C (de) * | 1951-04-27 | 1953-09-24 | Boettcher & Gessner | Hobelmesserwelle fuer Holzbearbeitung mit Keileinspannung |
US4658875A (en) * | 1986-03-24 | 1987-04-21 | Bosko Grabovac | Knife holder |
DE9010999U1 (de) * | 1990-07-25 | 1990-10-11 | Michael Weinig AG, 6972 Tauberbischofsheim | Messerkopf |
DE9017026U1 (de) * | 1990-12-17 | 1991-03-07 | Michael Weinig AG, 6972 Tauberbischofsheim | Messerkopf |
US5163490A (en) * | 1991-10-30 | 1992-11-17 | Jackson Lumber Harvester Company, Inc. | Knife clamp for wood planing heads |
-
1999
- 1999-08-04 JP JP11220676A patent/JP2001038704A/ja active Pending
-
2000
- 2000-06-27 TW TW89112592A patent/TW445198B/zh not_active IP Right Cessation
- 2000-07-06 EP EP00114069A patent/EP1074357A3/de not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE366560C (de) * | 1919-02-15 | 1923-01-06 | Karl Boellert | Messerbefestigung an Messerwellen und Messerkoepfen zur Holzbearbeitung |
US1527650A (en) * | 1922-10-26 | 1925-02-24 | James B Hunt | Rotary cutting tool |
CH229903A (de) * | 1941-06-25 | 1943-11-30 | Fischer Ag Georg | Messerwelle für Hobelmaschinen. |
DE891142C (de) * | 1951-04-27 | 1953-09-24 | Boettcher & Gessner | Hobelmesserwelle fuer Holzbearbeitung mit Keileinspannung |
DE858602C (de) * | 1951-07-05 | 1952-12-08 | Heinrich Gensheimer & Soehne M | Sicherheitsmesserwelle |
US4658875A (en) * | 1986-03-24 | 1987-04-21 | Bosko Grabovac | Knife holder |
DE9010999U1 (de) * | 1990-07-25 | 1990-10-11 | Michael Weinig AG, 6972 Tauberbischofsheim | Messerkopf |
DE9017026U1 (de) * | 1990-12-17 | 1991-03-07 | Michael Weinig AG, 6972 Tauberbischofsheim | Messerkopf |
US5163490A (en) * | 1991-10-30 | 1992-11-17 | Jackson Lumber Harvester Company, Inc. | Knife clamp for wood planing heads |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102744755A (zh) * | 2012-07-25 | 2012-10-24 | 章丘市宇龙机械有限公司 | 一种木屑机专用刀辊 |
DE102014015199A1 (de) * | 2014-10-10 | 2016-04-14 | Leitz Gmbh & Co. Kg | Messerkopf zur spanenden Bearbeitung von Werkstoffen und Messer hierfür |
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 |
---|---|
JP2001038704A (ja) | 2001-02-13 |
EP1074357A3 (de) | 2002-03-13 |
TW445198B (en) | 2001-07-11 |
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