EP1247614B1 - Verfahren und Vorrichtung zum Schärfen der Schneidmesser eines Messerringzerspaners - Google Patents
Verfahren und Vorrichtung zum Schärfen der Schneidmesser eines Messerringzerspaners Download PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000011093 chipboard Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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)
- Details Of Cutting Devices (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
Zunächst wird der Messerkorb aus dem Zerspaner herausgenommen und in eine Nachschärfvorrichtung überführt. In dieser Nachschärfvorrichtung kann der Messerkorb um seine eigene Achse gedreht werden. Die stumpfen Messer werden im Messerkorb aus ihrer Klemmhalterung gelöst und auf dem zum Nachschleifen der Messer notwendigen Arbeitsvorstand eingestellt. Dann werden die Messer geschliffen und anschließend im Messerkorb wieder festgespannt. Das Schleifen erfolgt mittels eines Schleifwerkzeuges, welches eine oder mehrere Schleifscheiben umfaßt. Die Schleifvorrichtung bewegt sich parallel zur Achse der Messerkörper. Hat das Werkzeug mehrere Schleifscheiben, sind diese nebeneinander angeordnet und alle gleichzeitig im Einsatz. Der Messerring wird nun nach jedem Schleifzyklus in Drehung versetzt, bis die Messer komplett geschärft sind.
Zunächst wird der Messerring aus dem Messerringverspaner ausgebaut. Sodann werden die Messerpakete demontiert, das heißt, das einzelne Messer wird von seiner Klemmplatte getrennt, und geschärft.
- Figur 1
- zeigt einen erfindungsgemäßen Bearbeitungsautomaten in Draufsicht.
- Figur 2
- zeigt eine Justiereinheit, die Bestandteil der Vorrichtung gemäß Figur 1 ist, in vergrößerter Darstellung.
- Figur 3
- zeigt eine Pufferstation, die ebenfalls Bestandteil der Vorrichtung gemäß Figur 1 ist, wiederum in vergrößerter Darstellung.
- Figur 4
- zeigt ein Fließschema, das mögliche Verfahrensschritte des erfindungsgemäßen Verfahrens veranschaulicht.
Sobald die Messer eines Messerringverspaners nicht mehr genügend scharf sind, wird der Messerring aus dem Messerringverspaner ausgebaut und in eine Aufnahmeeinrichtung 1 eingesetzt und fixiert.
Claims (2)
- Verfahren zum Schärfen der Schneidmesser (8.7) eines Messerringzerspaners, der einen Messerring sowie eine Mehrzahl von Messerpaketen aufweist, die ihrerseits Messer und Klemmplatten (8.8) umfassen, mit den folgenden Verfahrensschritten:1.1 der Messerring wird aus dem Messerringzerspaner ausgebaut;1.2 die Messerpakete des Messerringzerspaners werden aus dem Messerring ausgebaut;1.3 die Messerpakete werden demontiert;1.4 die stumpfen Messer (8.7) werden einer ersten Pufferstation (9) zugeführt und gespeichert;1.5 die stumpfen Messer werden einer Schleifstation zugeführt und geschliffen;1.6 die scharfen Messer werden einer zweiten Pufferstation zugeführt und gespeichert;1.7 die scharfen Messer werden mit Klemmplatten zu Messerpaketen montiert;1.8 die Messerpakete werden in einen Messerring eingebaut;1.9 der Messerring wird in einen Messerringzerspaner eingebaut;1.10 die stumpfen Messer und die Klemmplatten werden nach ihrer Demontage gereinigt;1.11 die geschärften Messer werden beim Zusammenbau der Messerpakete bezüglich des Messervorstandes justiert.
- Vorrichtung zum Schärfen der Schneidmesser eines Messerringzerspaners, der einen Messerring sowie eine Mehrzahl von Messerpaketen aufweist, die ihrerseits Messer und Klemmplatten (8.8) umfassen, mit den folgenden Bearbeitungsstationen:2.1 mit einer Aufnahmeeinrichtung zum Aufnehmen des Messerringes mit stumpfen Messern (8.7);2.2 mit einer Station zum Ausbauen der Messerpakete;2.3 mit einer Station zum Demontieren bzw. Montieren der Messerpakete;2.4 mit einer ersten Pufferstation (9) zum Aufnehmen und Speichern der stumpfen Messer;2.5 mit einer Schleifstation zum Schärfen der stumpfen Messer (8.7);2.6 mit einer zweiten Pufferstation zum Aufnehmen der geschärften Messer;2.7 mit einer Montagestation zum Zusammenbau der geschärften Messer mit Klemmplatten (8.8) zu Messerpaketen;2.8 mit einer der Aufnahmeeinrichtung nachgeschalteten Reinigungseinrichtung (3) zum Reinigen der stumpfen Messer und der Klemmplatten (8.8).2.9 mit einer Justiereinheit (8) zum Justieren der geschärften Messer bezüglich des Messervorstandes.
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 (de) | 2002-10-09 |
EP1247614A3 EP1247614A3 (de) | 2004-01-14 |
EP1247614B1 true EP1247614B1 (de) | 2005-06-15 |
Family
ID=7680823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02006588A Expired - Lifetime EP1247614B1 (de) | 2001-04-07 | 2002-03-22 | Verfahren und Vorrichtung zum Schärfen der Schneidmesser eines Messerringzerspaners |
Country Status (5)
Country | Link |
---|---|
US (1) | US6814652B2 (de) |
EP (1) | EP1247614B1 (de) |
AT (1) | ATE297834T1 (de) |
DE (2) | DE10117480A1 (de) |
ES (1) | ES2243612T3 (de) |
Families Citing this family (5)
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 |
DE102021004825A1 (de) | 2021-09-26 | 2023-03-30 | B. Maier Zerkleinerungstechnik Gmbh | Vorrichtung und Verfahren zur Wartung eines Messerrings eines Messerringzerspaners |
DE202021003040U1 (de) | 2021-09-26 | 2023-01-11 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung zur Rüstung eines Messerrings eines Messerringzerspaners |
Family Cites Families (10)
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 |
-
2001
- 2001-04-07 DE DE10117480A patent/DE10117480A1/de not_active Withdrawn
-
2002
- 2002-03-22 DE DE50203394T patent/DE50203394D1/de not_active Expired - Fee Related
- 2002-03-22 EP EP02006588A patent/EP1247614B1/de not_active Expired - Lifetime
- 2002-03-22 ES ES02006588T patent/ES2243612T3/es not_active Expired - Lifetime
- 2002-03-22 AT AT02006588T patent/ATE297834T1/de not_active IP Right Cessation
- 2002-04-05 US US10/117,407 patent/US6814652B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1247614A2 (de) | 2002-10-09 |
DE10117480A1 (de) | 2003-01-16 |
ATE297834T1 (de) | 2005-07-15 |
ES2243612T3 (es) | 2005-12-01 |
US6814652B2 (en) | 2004-11-09 |
US20020173246A1 (en) | 2002-11-21 |
DE50203394D1 (de) | 2005-07-21 |
EP1247614A3 (de) | 2004-01-14 |
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