EP1247614B1 - Procédé et dispositif pour affûter les couteaux d'une déchiqueteuse à lames-couronne - Google Patents

Procédé et dispositif pour affûter les couteaux d'une déchiqueteuse à lames-couronne Download PDF

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Publication number
EP1247614B1
EP1247614B1 EP02006588A EP02006588A EP1247614B1 EP 1247614 B1 EP1247614 B1 EP 1247614B1 EP 02006588 A EP02006588 A EP 02006588A EP 02006588 A EP02006588 A EP 02006588A EP 1247614 B1 EP1247614 B1 EP 1247614B1
Authority
EP
European Patent Office
Prior art keywords
knife
knives
ring
sharpened
blunt
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
EP02006588A
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German (de)
English (en)
Other versions
EP1247614A2 (fr
EP1247614A3 (fr
Inventor
Robert Loth
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.)
B Maier Zerkleinerungstechnik GmbH
Original Assignee
B Maier Zerkleinerungstechnik 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 B Maier Zerkleinerungstechnik GmbH filed Critical B Maier Zerkleinerungstechnik GmbH
Publication of EP1247614A2 publication Critical patent/EP1247614A2/fr
Publication of EP1247614A3 publication Critical patent/EP1247614A3/fr
Application granted granted Critical
Publication of EP1247614B1 publication Critical patent/EP1247614B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades

Definitions

  • the invention relates to a method and a device for sharpening the Cutting blade of a chipper, such as known from the document DE-A-41 14 840. This is especially about Knife ring chipper for processing wood to chips that are industrial can be further processed, for example as a starting material for Chipboard.
  • Such chippers have a knife ring which has a plurality of Carries knife packets.
  • the knife packages are arranged such that the Cut the blades parallel to the axis of the blade ring.
  • she each comprise a cutting blade which projects inwards with its cutting edge, and a clamping plate to which the knife is fixed by screwing.
  • the aspired chip thickness results from the distance of the knife opposite the so-called wear plates, which in turn are part of the knife ring are.
  • a working method which comprises the following processing steps: First, the knife basket is removed from the chipper and transferred to a re-sharpening device.
  • the knife basket can be rotated about its own axis.
  • the blunt knives are loosened in the knife basket from their clamping bracket and adjusted on the necessary for regrinding the knife work.
  • the knives are ground and then tightened again in the knife basket.
  • the grinding takes place by means of a grinding tool, which comprises one or more grinding wheels.
  • the grinding device moves parallel to the axis of the knife body. If the tool has several grinding wheels, these are arranged side by side and all at the same time in use.
  • the knife ring is then rotated after each grinding cycle until the knives are completely sharpened.
  • Machines of this type have basically proven themselves. Your construction cost is However, high, and thus the manufacturing cost of the chip material. In addition, the machine can only with trouble-free operation and at all operate certain types of knife ring rationally.
  • the invention is based on the object, a method and a device to develop with which a flawless, quick and efficient sharpening reach the worn knife, and with what also the technological requirements for the quality of shredding are met, even if the operation is not trouble-free. Furthermore, should also sharpened the knives of different knife ring types in a rational way can be. Finally, the production costs of the generated Spanmateriales be as low as possible.
  • Essential steps of the method according to the invention are the following: First, the knife ring is removed from the Messerringverspaner. Then the knife packages are disassembled, that is, the single knife is separated from its clamping plate, and sharpened.
  • Important process steps are the interim storage of the blunt and the sharpened blades each in a buffer station.
  • This has the advantage that the Sharpening process can be decoupled from the assembly process and thus a lower cycle time is achieved. Cycle time is the time to enter a Blunt knife package until the output of a sharp knife package from the Investment.
  • This method of disassembly or assembly of the knife package has the further advantage that the Verharzept between knife and Clamping plate can be removed during cleaning after disassembly and depending after wear of the cutting knife this discharged and replaced can be.
  • the blunt knives are fed to a grinder, the one Abrasive or measuring after a wear measurement Cutting knife contour can independently determine the Abschl admirrac.
  • sharpening process could also be done by other metal cutting, thermal or Physicochemical processes are realized.
  • the grinding of a Although single knife is time consuming, but gives the possibility of individual grinding input. This has the advantage that the knife longer remains in the production cycle, before it because of too small blade width is discharged. The operating hours per knife become clear elevated. For a number of, for example, 60 cutting blades in one Knife ring can thus be reduced the cost per knife ring.
  • the Clamp is not replaced in the entire process and is online through the Passed processing line. Exceptions are badly worn ones Clamps that are manually replaced by the Bediner.
  • the knives are stored with a certain inclination in the buffer station, to avoid possible tilting of the knives with each other. By the Inclination, the center of gravity of the knife is shifted, creating a safe Stacking of different wide knives is guaranteed.
  • An adjusting device takes the knife packages over specified Pick-up points that vary depending on the type of knife ring and the Knife package can be adapted. This has the advantage of being low Remodeling effort each type of knife package can be edited with the system can guarantee a high level of flexibility towards the customer can be. Furthermore, it is possible components consisting of several Components to edit with this machine.
  • the clamping plate is during the whole de- resp Mounting process firmly clamped on a mounting carriage.
  • the inventive device is designed according to that with her the inventive method can be performed.
  • the receiving device allows the knife ring to continue its axis of rotation by a certain angle or to turn continuously.
  • the clock frequency of the ring can be customized by Adjusted operator before and during disassembly or assembly.
  • the operator's workstation is according to workplace design guidelines aligned.
  • the dispensing or receiving tape for the knife packages is at working height of the operator. This design of the workplace allows fatigue-free and body-friendly work for the operator.
  • the machine works as follows: Once the blades of a Messerringverspaners are no longer sufficiently sharp, the knife ring is removed from the Messerringverspaner and inserted into a receiving device 1 and fixed.
  • the operator takes the necessary presettings (Messervorstand, Clock frequency, Abschleifin), dismantles the knife packages and puts them on a Conveyor belt that conveys them to the automatic processing machine.
  • Knife packages thoroughly cleaned and brought into their working position.
  • the Cutting knives point upwards.
  • the conveyor system 7 takes the individual Knife package and puts it on a Justierschlitten 8.1.
  • the adjusting slide 8.1 is moved within the adjusting unit 8 or translatorily positioned and has additional functions for receiving and fixing the Knife package and the clamping plate.
  • the knife package is now over corresponding recordings 8.2 fixed and stretched. After that, the position of the Determined square bolts and the adjusting slide 8.1 on the position of the Feed screwdriver 8.3 driven.
  • the blunt cutting blade 8.7 After the screws have been released from the feed screw 8.3, takes the conveyor system 7, the blunt cutting blade 8.7 and stores it in one Buffer station 9 or equips a grinding machine 10.
  • the conveyor system. 7 assumes in further operation the loading of the grinding machine 10 and the associated buffer station 9.
  • After cleaning and removal of the blunt Cutting knife takes the conveyor system 7 from a sharp cutting blade 8.7 another buffer station for sharpened cutting blades and places it on the cleaned clamping plate 8.8, which previously moved into a brush unit 8.4 and was cleaned.
  • the discarded knife is against a fixed stop 8.5 driven to set the knife board.
  • the position of the Square screws are determined again, the adjusting slide 8.1 in position driven and screwed the knife with the clamping plate.
  • the sharpened knife package is released from the Justierschlitten 8.1 and removed from the conveyor system 7. Then it will be on a transfer 12 stored and fed to another knife package magazine 13. It will be there stored and turned into its mounting position (cutting knife is below). The sharpened knife package will now be released from the operator at the request of the operator Knife package magazine 13 outsourced and the operator via a conveyor belt 14 provided on the pickup position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)

Claims (2)

  1. Procédé pour affûter les couteaux (8.7) d'une déchiqueteuse à lames-couronne, qui comporte une lame-couronne ainsi qu'une pluralité de paquets de couteaux comprenant à leur tour des couteaux et des plaques de serrage (8.8), avec les étapes de procédé suivantes :
    1.1 la lame-couronne est déposée de la déchiqueteuse à lames-couronne ;
    1.2 les paquets de couteaux de la déchiqueteuse à lames-couronne sont déposés de la lame-couronne ;
    1.3 les paquets de couteaux sont démontés ;
    1.4 les couteaux émoussés (8.7) sont apportés à un premier poste tampon (9) et emmagasinés ;
    1.5 les couteaux émoussés sont apportés à une poste d'affûtage et affûtés ;
    1.6 les couteaux affûtés sont apportés à un deuxième poste tampon et emmagasinés ;
    1.7 les couteaux affûtés sont assemblés avec les plaques de serrage pour former des paquets de couteaux ;
    1.8 les paquets de couteaux sont remontés dans une lame-couronne ;
    1.9 la lame-couronne est remontée dans une déchiqueteuse à lames-couronne ;
    1.10 les couteaux émoussés et les plaques de serrage sont nettoyés après leur démontage ;
    1.11 les couteaux affûtés sont ajustés en position en fonction de la partie saillante du couteau lors du montage des paquets de couteaux.
  2. Dispositif pour affûter les couteaux d'une déchiqueteuse à lames-couronne, qui comporte une lame-couronne ainsi qu'une pluralité de paquets de couteaux comprenant à leur tour des couteaux et des plaques de serrage (8.8), comprenant les postes d'usinage suivants :
    2.1 un dispositif de réception pour recevoir la lame-couronne munie de couteaux émoussés (8.7) ;
    2.2 un poste pour déposer les paquets de couteaux ;
    2.3 un poste pour démonter et monter les paquets de couteaux ;
    2.4 un premier poste tampon (9) pour recevoir et emmagasiner les couteaux émoussés ;
    2.5 un poste d'affûtage pour affûter les couteaux émoussés (8.7) ;
    2.6 un deuxième poste tampon pour recevoir les couteaux affûtés ;
    2.7 un poste de montage pour assembler les couteaux affûtés avec les plaques de serrage (8.8) pour former des paquets de couteaux ;
    2.8 un dispositif de nettoyage (3) branché en aval du dispositif de réception pour nettoyer les couteaux émoussés et les plaques de serrage (8.8) ;
    2.9 une unité d'ajustage (8) pour ajuster en position les couteaux affûtés en fonction de la partie saillante du couteau.
EP02006588A 2001-04-07 2002-03-22 Procédé et dispositif pour affûter les couteaux d'une déchiqueteuse à lames-couronne Expired - Lifetime EP1247614B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10117480 2001-04-07
DE10117480A DE10117480A1 (de) 2001-04-07 2001-04-07 Verfahren und Vorrichtung zum Schärfen der Schneidmesser eines Messerringzerspaners

Publications (3)

Publication Number Publication Date
EP1247614A2 EP1247614A2 (fr) 2002-10-09
EP1247614A3 EP1247614A3 (fr) 2004-01-14
EP1247614B1 true EP1247614B1 (fr) 2005-06-15

Family

ID=7680823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02006588A Expired - Lifetime EP1247614B1 (fr) 2001-04-07 2002-03-22 Procédé et dispositif pour affûter les couteaux d'une déchiqueteuse à lames-couronne

Country Status (5)

Country Link
US (1) US6814652B2 (fr)
EP (1) EP1247614B1 (fr)
AT (1) ATE297834T1 (fr)
DE (2) DE10117480A1 (fr)
ES (1) ES2243612T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9079284B2 (en) * 2010-12-15 2015-07-14 Marc Christenson Automated instrument sharpening and cleaning system
CN110919472B (zh) * 2020-01-09 2020-12-22 浙江鼎兴企业管理有限公司 一种家用刀具刀刃打磨装置
DE102021004822A1 (de) 2021-09-26 2023-03-30 B. Maier Zerkleinerungstechnik Gmbh Verfahren und Vorrichtung zur Rüstung eines Messerrings eines Messerringzerspaners
DE202021003040U1 (de) 2021-09-26 2023-01-11 Dieffenbacher GmbH Maschinen- und Anlagenbau Vorrichtung zur Rüstung eines Messerrings eines Messerringzerspaners
DE102021004825A1 (de) 2021-09-26 2023-03-30 B. Maier Zerkleinerungstechnik Gmbh Vorrichtung und Verfahren zur Wartung eines Messerrings eines Messerringzerspaners

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559705A (en) * 1968-09-11 1971-02-02 Frank Louis Salzmann Jr Chipper knife and knife mounting for drum type wood chipper
DE2334151A1 (de) * 1973-07-05 1975-01-16 Pallmann Kg Maschf Messerring fuer zerspanungsmaschinen, im besonderen fuer holzzerspaner
DE2755000A1 (de) * 1977-12-09 1979-06-13 Pallmann Kg Maschf Einstellvorrichtung fuer die messer eines zerspaners, insbesondere eines messerringzerspaners
SE448842B (sv) * 1979-12-12 1987-03-23 Iggesunds Bruk Ab Forfarande for framstellning av en stockstyrningsyta
US4784337A (en) * 1987-09-21 1988-11-15 Carthage Machine Company, Div. Of Industrial General Corporation Reversible knife assembly for wood chipper
FR2663499B1 (fr) * 1990-06-25 1992-10-16 Hesston Braud Procede pour l'affutage des couteaux d'un tambour rotatif et le reglage du contre-couteau fixe cooperant avec ceux-ci et dispositif mettant en óoeuvre ce procede.
DE4114840C2 (de) 1991-05-07 1995-01-19 Pallmann Kg Maschf Verfahren und Vorrichtung zum automatischen Auswechseln von nachschleifbaren Messern bei Holzzerspanmaschinen
US5564967A (en) * 1993-05-10 1996-10-15 Jorgensen; Ray B. Method for sharpening a chipper knife
DE4316514C2 (de) 1993-05-18 1996-02-08 Pallmann Kg Maschf Verfahren und Vorrichtung zum Nachschärfen der Messer von Zerkleinerungsmaschinen
US5688161A (en) * 1994-01-18 1997-11-18 Philip Morris Incorporated Method and apparatus for sharpening and cleaning scalloped-edged blades

Also Published As

Publication number Publication date
US20020173246A1 (en) 2002-11-21
ATE297834T1 (de) 2005-07-15
DE50203394D1 (de) 2005-07-21
ES2243612T3 (es) 2005-12-01
EP1247614A2 (fr) 2002-10-09
US6814652B2 (en) 2004-11-09
EP1247614A3 (fr) 2004-01-14
DE10117480A1 (de) 2003-01-16

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