EP1122045A1 - Messer für Holz-und Buschhackmaschinen - Google Patents
Messer für Holz-und Buschhackmaschinen Download PDFInfo
- Publication number
- EP1122045A1 EP1122045A1 EP01890017A EP01890017A EP1122045A1 EP 1122045 A1 EP1122045 A1 EP 1122045A1 EP 01890017 A EP01890017 A EP 01890017A EP 01890017 A EP01890017 A EP 01890017A EP 1122045 A1 EP1122045 A1 EP 1122045A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- knife
- carrier body
- knife according
- cutting edge
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/005—Tools therefor
-
- 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
-
- 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
Definitions
- the invention relates to a knife for wood and wood chippers, its flat knife body with protruding cutting edge in an interchangeable holder a knife drum can be clamped.
- the interchangeable holder In a known chopping machine, the interchangeable holder consists of two pressure plates for the two flat sides of the respective knife, the a pressure plate between two outer disks forming the remaining drum body arranged and the second pressure plate over one or more, too screws penetrating a corresponding opening in the knife body can be tightened.
- the knife body itself represents a relative is a simple component, but must still be processed precisely and moreover be made entirely of a material that has a sufficiently long lifespan the cutting edge and thus the overall knife.
- the blade can be a very simply shaped stamped part from one appropriate strength or hardening material, whereas the carrier body only the necessary support strength, but not for the cutting edge must have the necessary hardness or hardenability.
- This support part with appropriate design of the overall construction also takes the for Interchangeable bracket and adjustment of necessary screws or screw bushings and screw supports. For this purpose it is provided that the blade and the recess of the carrier body receiving it only extend over part of the length of this support body.
- the width of the blade is the flat side Correspond to the width of the carrier body in the receiving area, but are also Special shapes with the blade or support body protruding above the respective one other part possible.
- a particularly simple construction results if the blade, based on the direction of rotation of the knife drum, at the front of the Carrier body arranged and can be pressed onto this by means of the interchangeable holder is. This has the additional advantage that it can be replaced the blade only has to loosen the clamping of the knife, the carrier body can remain in the interchangeable holder.
- the blade points to that of the one or more projections on the side facing away from the cutting edge, corresponding to the lateral guidance of the blade relative to the carrier body engage shaped parts of the recess of this carrier body.
- the blade with the carrier body is over engaging in assigned holes or depressions of the other part Pins, feather keys or the like additionally connected.
- blades with one-sided cutting edge find use. But it is also possible to use the blade as a reversible blade with cutting edges provided on two parallel sides. Care must be taken to protect the cutting edge that has not been used remains. It will therefore be cut out in the recess of the carrier body and for the lateral support of the blade the above-mentioned pins, keys or provide similar brackets. In extreme cases, an execution is even conceivable according to the one initially square blade with cutting on all four sides is provided. For special cases, blades with serrated edges can also be used be used.
- a knife drum has two side windows 1, each by fixed clamping plates attached at circumferential intervals 2 an interchangeable holder for cleavers are connected.
- the clamping plates 2 wear cross bars 3 in which adjustment screws 4 and one for engaging in a threaded bore of the knife body certain tension-compression screw 5 are led.
- the interchangeable bracket is assigned to each clamping plate 2 loose clamping plate 6 supplemented by a central screw 7, which the Knife body penetrating into a threaded hole of the plate 6, opposite the plate 2 can be clamped.
- a knife body consisting of a carrier body 8 and a blade 9 appropriate.
- the blade 9 is in a receiving recess 10 of the carrier body 8 inserted, protrudes with its cutting edge 11 over the carrier body 8 and is with the front edge part of the free clamping plate 6 clamped against the carrier body 8.
- the blade 9a on the cutting edge 11th facing away from an arcuate projection 13 and the associated part 10a of the recess 10 in the carrier body 8a of FIGS. 9 and 10 is corresponding shaped.
- the blade 9b is provided with holes 14 in the Pins 16 engage, which according to FIGS. 11 and 12 also have corresponding holes 15 in the Push through the area of the recess 10b of the carrier body 8b.
- FIGS. 7 and 8 essentially corresponds that of FIGS. 5 and 6 with the exception that for the pins 16 in the Blade 9c slots 17 are provided.
- 13 to 16 is a connection of the blade 9d or 9e with the carrier body 8d (FIGS. 17 and 18) through in elongated holes or elongated hole depressions of the two parts 18, 19 inserted keys 20 and the Blade 9d or 9e is an exchangeable or reversible blade with two cutting edges 11, 11a fitted.
- 15 and 16 are the elongated holes 18e provided obliquely and the cutting edge 11b is - since it is a reversible blade acts - shaped opposite to cutting edge 11.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Knives (AREA)
- Harvester Elements (AREA)
- Details Of Cutting Devices (AREA)
Abstract
Description
- Fig. 1
- ein Teilstück einer Messertrommel einer Hackmaschine mit einer Wechselhalterung für ein Messer, wobei Wechselhalterung und Messer im Schnitt dargestellt sind,
- Fig. 2
- eine Draufsicht zu Fig. 1,
- Fig. 3 bis 8
- jeweils in Draufsicht und Seitenansicht bzw. im Schnitt nach den Linien VI-VI der Fig. 5 und VIII-VIII der Fig. 7 verschiedene Klingen,
- Fig. 9 bis 12
- Trägerkörper für diese Klingen in Draufsicht und Seitenansicht,
- Fig. 13 bis 16
- zwei weitere Klingen in Draufsicht und im Schnitt nach den Linien XIV-XIV der Fig. 13 und XVI-XVI der Fig. 15 und die
- Fig. 17 und 18
- einen Trägerkörper für die Klinge nach den Fig. 13 und 14 in Draufsicht und im Teilschnitt.
Claims (8)
- Messer für Holz- und Buschhackmaschinen, dessen flacher Messerkörper (8, 9) mit vorragender Schneide (11) in einer Wechselhalterung (2 - 7) einer Messertrommel (1) einspannbar ist, dadurch gekennzeichnet, daß der Messerkörper aus zwei Teilen (8, 9), nämlich einer auswechselbaren, die Schneide (11) aufweisenden Klinge (9) und einem diese Klinge (9) abstützenden Trägerkörper (8) besteht, welch letzterer mit einer Ausnehmung (10) zum Einlegen der ihn zum vollständigen Messerkörper ergänzenden Klinge (9) versehen ist, deren Dicke nur einen Bruchteil der Dicke des Trägerkörpers (8) beträgt.
- Messer nach Anspruch 1, dadurch gekennzeichnet, daß die Klinge (9) und die sie aufnehmende Ausnehmung (10) des Trägerkörpers (8) nur über einen Teil der Länge dieses Trägerkörpers (8) reichen.
- Messer nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die Breite der Klinge (9) der flachseitigen Breite des Trägerkörpers (8) im Aufnahmebereich entspricht.
- Messer nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Klinge (9), bezogen auf die Umlaufrichtung der Messertrommel (1, 2) an der Vorderseite des Trägerkörpers (8) angeordnet und mittels der Wechselhalterung (2 - 7) an diesen andrückbar ist.
- Messer nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Klinge (9a) an der von der vorstehenden Schneide (11) abgewandten Seite einen oder mehrere Vorsprünge (13) aufweist, die zur Seitenführung der Klinge (9a) gegenüber dem Trägerkörper (8a) in entsprechend geformte Teile (10a) der Aussparung (10) dieses Trägerkörpers (8a) eingreifen.
- Messer nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Klinge (9b - 9e) mit dem Trägerkörper (8b - 8d) über in zugeordnete Löcher (14, 15, 17, 18, 18e, 19) bzw. Vertiefungen des jeweils anderen Teiles eingreifende Stifte (16), Passfedern (20) od. dgl. zusätzlich verbunden ist.
- Messer nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Klinge (9c) an über den Trägerkörper (8b) vorragenden Stiften (16) mit ihre Nachstellung zulassenden Langlöchern (17) geführt ist.
- Messer nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Klinge (9d, 9e) als Wendeklinge mit an zwei parallelen Seiten vorgesehenen Schneiden (11, 11a, 11b) ausgebildet ist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01890017T ATE256539T1 (de) | 2000-02-01 | 2001-01-23 | Messer für holz-und buschhackmaschinen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT672000 | 2000-02-01 | ||
AT0006700U AT4232U1 (de) | 2000-02-01 | 2000-02-01 | Messer für holz- und buschhackmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1122045A1 true EP1122045A1 (de) | 2001-08-08 |
EP1122045B1 EP1122045B1 (de) | 2003-12-17 |
Family
ID=3480637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01890017A Expired - Lifetime EP1122045B1 (de) | 2000-02-01 | 2001-01-23 | Messer für Holz-und Buschhackmaschinen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1122045B1 (de) |
AT (1) | AT4232U1 (de) |
DE (1) | DE50101156D1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT501267B1 (de) * | 2005-03-08 | 2006-08-15 | Landmaschb Urch Kg | Messerhalterung |
EP1985428A1 (de) * | 2007-04-23 | 2008-10-29 | Werner Steininger | Werkzeug zum Zerkleinern von Holz |
ITRE20110051A1 (it) * | 2011-07-05 | 2013-01-06 | C M G S P A | Dispositivo granulatore per la riduzione dimensionale di materiali non ferrosi |
AT512247A1 (de) * | 2011-11-25 | 2013-06-15 | Mus Max Gmbh | Halterungsvorrichtung |
WO2014018516A1 (en) * | 2012-07-24 | 2014-01-30 | Key Knife, Inc. | Knife and disposable inserts |
EP3315201A1 (de) * | 2016-10-25 | 2018-05-02 | KOMPTECH GmbH | Hackrotor für eine zerkleinerungsmaschine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3316822A1 (de) * | 1983-05-07 | 1984-11-08 | Maschinenfabrik Bezner Gmbh & Co Kg, 7980 Ravensburg | Schneideinsatz, insbesondere bei holzzerspanungsmaschinen |
DE3316754A1 (de) * | 1983-05-07 | 1984-11-08 | Pallmann Maschinenfabrik GmbH & Co KG, 6660 Zweibrücken | Messerhalterung fuer zerspanende zekleinerungsmaschinen |
EP0178508A1 (de) * | 1984-10-15 | 1986-04-23 | Dimetal | Messerhalterung für den Messerkopf einer Holzzerspanungsmaschine |
WO1997013627A1 (en) * | 1995-10-12 | 1997-04-17 | Bmh Wood Technology Ab | Method and device in wood chipping machines |
-
2000
- 2000-02-01 AT AT0006700U patent/AT4232U1/de not_active IP Right Cessation
-
2001
- 2001-01-23 DE DE50101156T patent/DE50101156D1/de not_active Expired - Lifetime
- 2001-01-23 EP EP01890017A patent/EP1122045B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3316822A1 (de) * | 1983-05-07 | 1984-11-08 | Maschinenfabrik Bezner Gmbh & Co Kg, 7980 Ravensburg | Schneideinsatz, insbesondere bei holzzerspanungsmaschinen |
DE3316754A1 (de) * | 1983-05-07 | 1984-11-08 | Pallmann Maschinenfabrik GmbH & Co KG, 6660 Zweibrücken | Messerhalterung fuer zerspanende zekleinerungsmaschinen |
EP0178508A1 (de) * | 1984-10-15 | 1986-04-23 | Dimetal | Messerhalterung für den Messerkopf einer Holzzerspanungsmaschine |
WO1997013627A1 (en) * | 1995-10-12 | 1997-04-17 | Bmh Wood Technology Ab | Method and device in wood chipping machines |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT501267B1 (de) * | 2005-03-08 | 2006-08-15 | Landmaschb Urch Kg | Messerhalterung |
EP1985428A1 (de) * | 2007-04-23 | 2008-10-29 | Werner Steininger | Werkzeug zum Zerkleinern von Holz |
ITRE20110051A1 (it) * | 2011-07-05 | 2013-01-06 | C M G S P A | Dispositivo granulatore per la riduzione dimensionale di materiali non ferrosi |
AT512247A1 (de) * | 2011-11-25 | 2013-06-15 | Mus Max Gmbh | Halterungsvorrichtung |
AT512247B1 (de) * | 2011-11-25 | 2013-08-15 | Mus Max Gmbh | Halterungsvorrichtung |
WO2014018516A1 (en) * | 2012-07-24 | 2014-01-30 | Key Knife, Inc. | Knife and disposable inserts |
US9168672B2 (en) | 2012-07-24 | 2015-10-27 | Key Knife, Inc. | Knife with disposable inserts |
EP3315201A1 (de) * | 2016-10-25 | 2018-05-02 | KOMPTECH GmbH | Hackrotor für eine zerkleinerungsmaschine |
Also Published As
Publication number | Publication date |
---|---|
AT4232U1 (de) | 2001-04-25 |
EP1122045B1 (de) | 2003-12-17 |
DE50101156D1 (de) | 2004-01-29 |
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