EP0925159B1 - Messerhalter für kreismesser - Google Patents
Messerhalter für kreismesser Download PDFInfo
- Publication number
- EP0925159B1 EP0925159B1 EP98933616A EP98933616A EP0925159B1 EP 0925159 B1 EP0925159 B1 EP 0925159B1 EP 98933616 A EP98933616 A EP 98933616A EP 98933616 A EP98933616 A EP 98933616A EP 0925159 B1 EP0925159 B1 EP 0925159B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knife
- knife holder
- guide rods
- cross bar
- circular
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/02—Means for moving the cutting member into its operative position for cutting
- B26D5/04—Means for moving the cutting member into its operative position for cutting by fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
- B26D7/2635—Means for adjusting the position of the cutting member for circular cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D2007/2664—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for radial adjustment
Definitions
- the invention relates to a knife holder for circular knives, for slitting material webs, especially paper or plastic film according to the preamble of claim 1, defined with respect to EP-A-0 208 262.
- circular knives which interact with the counter knife according to the scissor cutting system, become from the originally wide material webs narrow strips of material generated, the width of which depends on the respective application.
- circular knife holder Around It is to create the narrowest possible bands or strips necessary that the corresponding on a cutter bar Distance next to each other to be determined circular knife holder have the smallest possible width, because this the minimum possible cutting width is essentially determined. Due to the small width of the circular knife holder and the given limited accessibility, it is difficult to Set up circular knife holder. It is a problem in particular a reproducible height adjustment in relation to the assigned counter knife arranged at each on the knife bar Knife holder and make an exact setting to ensure the angle of attack of the circular knife.
- Knife holders are known from EP-A-0 208 262 and DE-A-196 34 047, in which one can be connected to the cutter bar Basic body two slides are slidably guided, which is connected at one end to a piston-cylinder arrangement are and that at the other end via a crossbar with each other are connected. The cutter head is on the crossbar attached to his circular knife.
- the invention is therefore based on the object of a knife holder for circular knives to create a high rigidity and good functional reliability with the lowest possible Width and a reproducible setting of the knife holder.
- the object is achieved by a knife holder for circular knives for slitting material webs with the features of claim 1.
- the advantage of an invention designed knife holder is that the occurring Cutting pressure through the use of two parallel ones Guide rods is included and thus the knife holder overall has a high rigidity. Furthermore is distributed through the inventive design of the Knife holder also the load on the two guides, which means they are less subject to wear.
- the central pressure distributor allows the two Guide rods can be controlled with the same pressure.
- There the pressure distributor is designed as a pressure distribution chamber the pressure medium is provided as before via a feed line become.
- the guide rods as pistons and the guides as cylinders are formed, which are connected to the pressure distributor stand.
- the advantage here is that no additional common cylinders assigned to the guide rods must be formed as the guides themselves as cylinders are.
- the pressure distribution chamber is designed as a cylinder is and that a piston connected to both guide rods is provided.
- a piston connected to both guide rods is provided.
- Such an embodiment of the invention has the advantage that only one pressure distribution chamber, which at the same time forms the cylinder, and only one piston is manufactured must, thereby lower manufacturing costs in manufacturing of the knife holder occur. Furthermore it is possible single piston so large that in the pressure system only the lowest possible pressures have to be transmitted, to apply the necessary pressure to the guide rods.
- a pointer is firmly connected to the threaded sleeve is that on a scale of a vertical surface of the traverse assigned.
- the guide rods for connection to the Each crossbeam has a side notch are.
- the notches ensure that the crossbar is on the largest possible surface of the guide rods rests and thus a firm and secure connection between crossbeam and Guide rods can be achieved.
- the longitudinal axis of a guide rod is at least approximately runs through the center of the circular knife.
- the traverse via fasteners preferably Screws, releasable with the guide rods on the Notches are connected and on at least one guide rod at least one intermediate layer for changing the angle of attack the circular knife is provided between Notching and traverse can be clamped.
- fasteners preferably Screws
- a detachable segment-shaped spacer is arranged connectable between the crosshead and the cutter head.
- the term cutter head in the sense of the invention includes both rotating components as well as the associated storage, over the cutter head is connected to the crossbar.
- the advantage this training is that manufacturing tolerances, especially the crossbeam and the cutter head can be and thus a reproducible positioning of the circular knife can be achieved.
- the spacer can For example, be made of metal and by grinding be brought to the required final dimension to meet the manufacturing tolerances compensate.
- segment-shaped spacer essentially is designed as a semicircular ring surface.
- Fig. 1 shows a partially sectioned side view a knife holder 1 for a circular knife with a base body 2, on a knife bar, not shown can be fixed by means of clamping means and a fastening groove 3 is.
- the base body 2 has two parallel guides 4 Guide bushings 5, with 4 guide rods in the guides 6.1, 6.2 are slidably mounted.
- the base body 2, the pressure medium line 8.1 for one has fluid pressure-operated cutter head 9 is tight with connected to a housing 10.
- the housing 10 has an extension 8.2 of the pressure medium line 8.1 for the pressure medium operated Cutter head 9 and a pressure medium line 8.3 to one arranged in the housing 10 pressure distribution chamber 7, the forms a central pressure distributor.
- the pressure distribution space 7 configured in the housing 10 as a cylinder in which one connected to the two parallel guide rods 6.1, 6.2 Piston 11 is guided, the piston 11 by means of a piston seal 12 is sealed.
- the two guides 4 are formed as a cylinder in the the central pressure distributor opens, and that the guide rods 6.1, 6.2 are designed as pistons 11.
- the piston 11 is by means of a stop element 13 Screws 14 firmly connected.
- the stop element 13 has one Bore 15 in the one threaded spindle 16 relative for this purpose is slidably mounted with a threaded sleeve trained counter stop 17 cooperates.
- the Set screw 16 is also on the housing 10 via a connecting element 19 immovably mounted in the axial direction. To operate the adjusting screw 16 is a this connected actuating means 20 is provided.
- a return spring 18 arranged, which serves the cutter head 9 in the unpressurized State to move to the rest position.
- the threaded sleeve 17 is axially displaceable in a bore 21 of the base body 2 stored, but the threaded sleeve 17 by means one of a bolt 22 is non-rotatably connected to the base body 2 is.
- Fig. 2 shows a partially sectioned front view of a Knife holder 1 for circular knives 25 with one on a knife bar definable body 2, the actuation of the Height adjustment of the knife head 9 via the knurled Actuating means 20 is realized.
- the adjusting screw 16 is rotated, whereby the threaded sleeve suspended on the adjusting screw 16 17, the counter-stop to the stop element 13 forms, is adjusted in height.
- the cutter head 9 is on the cross member 23 with the guide rod 6.1, 6.2 connected, wherein between the cross member 23 and the guide rods 6.1, 6.2 an intermediate layer 24 for adjustment of the angle of attack of the circular knife 25 is provided is.
- segment-shaped spacer element 33 arranged, which is the shape of a substantially semicircular Has ring surface.
- the segment-shaped spacer 33 is fastened by means of screws 34.
- FIG. 3 shows a view according to section III-III through the crossmember 23 in FIG. 1.
- the angle of attack of the circular knife 25 can be adjusted by an intermediate layer 24 arranged between the guide rod 6.2 and the crossmember 23.
- the intermediate layer 24, which by means of fastening elements 31st clamped between the cross member 23 and the guide rod 6.2 is, for example, manufactured as a calibrated metal element his. It is advantageous if the intermediate layer 24 with is provided with a label indicating which angle of attack and / or setting angle by using the Liner 24 is achieved.
- Liner 24 fits the guide rod 6.1 the changed angle by turning slightly clockwise twisted.
- the rotation of the guide rod 6.1 can be avoided be that an intermediate layer also on the guide rod 6.1 24.1 is arranged, the same angle of attack as that Liner 24.2 has, however, a smaller thickness having.
- a limitation of the cutter head 9 can be achieved that on the guide rods 6.1, 6.2 intermediate layers 24.1, 24.2 are arranged, the one inclined to the longitudinal axis 29 Have angles. It is also possible through appropriately trained Intermediate layers 24 a superposition of the angle of attack and to reach the twist angle.
- FIG. 4 shows a view in the viewing direction IV in FIG. 1.
- a reproducible adjustment of the stroke of the cutter head 9 is achieved in that the set stroke on the scale 27 can be read. This is ensured by the fact that an angular pointer 26 is connected to the threaded sleeve 17 which is arranged with one on the side of the crossmember 23 Mark 27 interacts.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Cutting Devices (AREA)
- Harvester Elements (AREA)
- Knives (AREA)
Abstract
Description
- Fig. 1
- eine teilweise geschnittene seitliche Ansicht eines Messerhalters für Kreismesser,
- Fig. 2
- eine teilweise geschnittene Vorderansicht des Messerhalters gemäß Fig. 1,
- Fig. 3
- eine Ansicht gemäß der Linie III-III in Fig. 1,
- Fig. 4
- eine Ansicht gemäß der Blickrichtung IV in Fig. 1
Fig. 3 zeigt eine Ansicht gemäß dem Schnitt III-III durch die Traverse 23 in Fig. 1. Der Anstellwinkel des Kreismessers 25 ist durch eine zwischen der Führungsstange 6.2 und der Traverse 23 angeordnete Zwischenlage 24 eingestellbar.
Claims (11)
- Messerhalter für Kreismesser zum Längsteilen von Materialbahnen, der einen mit einem Messerbalken verbindbaren Grundkörper (2) aufweist, der mit zwei parallelen Führungen (4) versehen ist, in denen Führungsstangen (6.1, 6.2) verschiebbar geführt sind, wobei die Führungsstangen (6.1, 6.2) mit einem Ende über eine Traverse (23) miteinander verbunden sind, an der ein Messerkopf (9) mit Kreismesser (25) angeordnet ist, und die mit ihrem anderen Ende einem zentralen als Druckverteilraum (7) ausgebildeten Druckverteiler mit wenigstens einem Kolben zugeordnet sind, dadurch gekennzeichnet, daß die Traverse (23) mit einer Stellgewindespindel (16) in Verbindung steht, die durch den Druckverteilraum (7) hindurchgeführt ist und die an ihrem freien Ende mit Stellmitteln (20) versehen ist und mit einer Gewindehülse (17) schraubbar verbunden ist, die mit der Traverse (23) in Wirkverbindung steht, wobei die Stellgewindespindel (16) in einer Wandung des Druckverteilraums (7) drehbar aber in Axialrichtung unverschiebbar gelagert ist, daß die Gewindehülse (17) axial verschiebbar aber drehfest im Grundkörper (2) gelagert ist und einen Anschlag für ein Anschlagelement (13) bildet, das mit den Führungsstangen (6.1, 6.2) verbunden ist.
- Messerhalter (1) nach Anspruch 1, dadurch gekennzeichnet, daß die Führungsstangen (6.1, 6.2) als Kolben und die Führungen (4) als Zylinder ausgebildet sind, die mit dem Druckverteiler in Verbindung stehen.
- Messerhalter (1) nach Anspruch 1, dadurch gekennzeichnet, daß der Druckverteilraum (7) als Zylinder ausgebildet ist und daß ein mit beiden Führungsstangen (6.1, 6.2) verbundener Kolben vorgesehen ist.
- Messerhalter (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Druckverteilraum (7) als gesondertes Gehäuse (10) dicht auf dem Grundkörper (2) aufgesetzt ist.
- Messerhalter (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Durchführung der Stellgewindespindel (16) gegenüber dem Druckraum abgedichtet ist.
- Messerhalter (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß mit der Gewindehülse (17) ein Zeiger fest verbunden ist, der einer Skala (27) einer vertikalen Fläche der Traverse (23) zugeordnet ist.
- Messerhalter (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Führungsstangen (6.1, 6.2) zur Verbindung mit der Traverse (23) jeweils mit einer seitlichen Ausklinkung (28) versehen sind.
- Messerhalter (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Längsachse (29) einer Führungsstange 6.1 wenigstens annähernd durch den Mittelpunkt (30) des Kreismessers (25) verläuft.
- Messerhalter (1) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Traverse (23) über Befestigungselemente (31), vorzugsweise Schrauben, lösbar mit den Führungsstangen (6.1, 6.2) an den Ausklinkungen (28) verbunden ist und an wenigstens einer Führungsstange (6) wenigstens eine Zwischenlage (24) zur Veränderung des Anstellwinkels des Kreismessers (25) vorgesehen ist, die zwischen Ausklinkung (28) und Traverse (23) einklemmbar ist.
- Messerhalter (1) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß zwischen der Traverse (23) und dem Messerkopf (9) ein lösbares segmentförmiges Distanzelement (33) verbindbar angeordnet ist.
- Messerhalter (1) nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß das segmentförmige Distanzelement (33) im wesentlichen als halbkreisförmige Ringfläche ausgebildet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29712149U | 1997-07-10 | ||
DE29712149U DE29712149U1 (de) | 1997-07-10 | 1997-07-10 | Messerhalter für Kreismesser |
PCT/EP1998/003596 WO1999002315A1 (de) | 1997-07-10 | 1998-06-15 | Messerhalter für kreismesser |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0925159A1 EP0925159A1 (de) | 1999-06-30 |
EP0925159B1 true EP0925159B1 (de) | 2003-04-23 |
Family
ID=8042905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98933616A Expired - Lifetime EP0925159B1 (de) | 1997-07-10 | 1998-06-15 | Messerhalter für kreismesser |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0925159B1 (de) |
DE (4) | DE29723209U1 (de) |
WO (1) | WO1999002315A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10023994A1 (de) * | 2000-05-17 | 2001-11-22 | Heidelberger Druckmasch Ag | Perforiergerät mit Feineinstellung |
EP1658939B1 (de) | 2004-11-18 | 2010-07-07 | Wilhelm Bilstein GmbH & Co. KG | Kreismesserhalter mit Handschutz |
DE102008021122A1 (de) | 2007-04-28 | 2008-10-30 | Wilhelm Bilstein KG Spezialfabrik für Maschinenmesser und Kompressorventile | Kreismesserhalter |
IT1400975B1 (it) * | 2010-06-30 | 2013-07-05 | Cavagna Elio Srl | Dispositivo portautensile per macchine da taglio |
DE102012200852A1 (de) | 2012-01-20 | 2013-07-25 | Voith Patent Gmbh | Messeranordnung für eine Längsschneidemaschine und Längsschneidemaschine sowie Verfahren zum Längsschneiden von Teilbahnen aus einer laufenden Materialbahn |
FR3017067B1 (fr) * | 2014-02-03 | 2016-08-26 | Lectra | Dispositif de controle de la profondeur de penetration d'un outil de coupe dans un support de coupe d'une table de coupe |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2796933A (en) * | 1955-06-28 | 1957-06-25 | Cameron Machine Co | Cutter holding and actuating means for web-slitting machines |
US3977284A (en) * | 1973-12-06 | 1976-08-31 | Arrow Converting Equipment, Inc. | Compact slitting mechanism |
IT1092888B (it) * | 1978-02-28 | 1985-07-12 | Cavagna Elio | Perfezionamenti ai dispositivi di supporto e di regolazione di coltelli circolari,particolarmente per taglierine e cesoie trovanti impiego in cartotecnica |
IT1185210B (it) * | 1985-07-09 | 1987-11-04 | Antonio Paolo Colombo | Unita' di taglio a pressione,con coltello circolare |
DE3544284A1 (de) * | 1985-12-17 | 1987-06-25 | Cavagna Elio Srl | Vorrichtung zum praegen und/oder rillen von blatt- oder bandfoermigem material |
EP0238686B1 (de) * | 1986-03-25 | 1990-08-08 | Dienes Werke Für Maschinenteile Gmbh & Co Kg | Scherenschnitt-Kreismesserhalter |
DE19634047C2 (de) * | 1996-08-23 | 1997-12-18 | Iai Ingenieurbuero Fuer Ausrue | Druckmittelbetätigter Kreismesserhalter |
-
1997
- 1997-07-10 DE DE29723209U patent/DE29723209U1/de not_active Expired - Lifetime
- 1997-07-10 DE DE29712149U patent/DE29712149U1/de not_active Expired - Lifetime
-
1998
- 1998-06-15 DE DE19880912T patent/DE19880912D2/de not_active Expired - Fee Related
- 1998-06-15 WO PCT/EP1998/003596 patent/WO1999002315A1/de active IP Right Grant
- 1998-06-15 EP EP98933616A patent/EP0925159B1/de not_active Expired - Lifetime
- 1998-06-15 DE DE59808053T patent/DE59808053D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19880912D2 (de) | 1999-12-02 |
DE29712149U1 (de) | 1998-09-24 |
DE59808053D1 (de) | 2003-05-28 |
WO1999002315A1 (de) | 1999-01-21 |
DE29723209U1 (de) | 1998-11-05 |
EP0925159A1 (de) | 1999-06-30 |
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