EP0169350B1 - Clearance adjusting means for rotating cutters - Google Patents

Clearance adjusting means for rotating cutters Download PDF

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Publication number
EP0169350B1
EP0169350B1 EP85106803A EP85106803A EP0169350B1 EP 0169350 B1 EP0169350 B1 EP 0169350B1 EP 85106803 A EP85106803 A EP 85106803A EP 85106803 A EP85106803 A EP 85106803A EP 0169350 B1 EP0169350 B1 EP 0169350B1
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EP
European Patent Office
Prior art keywords
drum
cutter
blade
axial displacement
knife
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
EP85106803A
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German (de)
French (fr)
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EP0169350A3 (en
EP0169350A2 (en
Inventor
Horst Grafe
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SMS Siemag AG
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SMS Schloemann Siemag AG
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Publication date
Application filed by SMS Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to AT85106803T priority Critical patent/ATE58320T1/en
Publication of EP0169350A2 publication Critical patent/EP0169350A2/en
Publication of EP0169350A3 publication Critical patent/EP0169350A3/en
Application granted granted Critical
Publication of EP0169350B1 publication Critical patent/EP0169350B1/en
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    • 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
    • B26D7/265—Journals, bearings or supports for positioning rollers or cylinders relatively to each other
    • 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

Definitions

  • the invention relates to a device for adjusting the knife gap on drum scissors, the fixed on a pair of support shafts with helical toothed toothed knife drums have longitudinal recesses for receiving in this displaceable mass bar, which can be clamped with the help of clamping wedges acting on pressurized fastening elements, in which the Drive wheel bearing pin of the support shaft facing pin is connected to an arranged in the support frame of the drum shear axial displacement drive.
  • the setting of the knife gap has so far been carried out in such a way that one of the helical drive gears on its seat on the journal of the support shaft is axially displaced with the aid of an actuating device and, due to the radial component of the supporting force on the opposing teeth of the other helical drive gear causes a relative rotational displacement of the knife drum relative to the other knife drum, with which the width of the knife gap of the knife blocks of both drums can be adjusted.
  • the device has the major disadvantage that the drive gear on the shaft journal of the wheel shaft of the knife drum are arranged rotatably but axially displaceably, and that this displaceability is canceled again during the cutting operation of the scissors, i.e. must be blocked.
  • Such a device for axially displacing a support shaft is not suitable for adjusting the knife gap in the generic drum shears because the cutting edges of the knife blocks are all convex to the outside in an arcuate manner and therefore when one of the knife drums is axially displaced together with the knife block sitting on the drum Cutting symmetry between the knife block of one and the other knife drum is disturbed, making cutting impossible (DE-AS 2037270).
  • the invention has the task of improving the device for adjusting the knife gap on the generic drum shears so that the disadvantages of the complex device for displacement a drive gear on the support shaft and its blocking can be avoided and the axial position of the two knife blocks relative to one another remains unchanged during the setting process of the knife gap.
  • This object is achieved by holding stops arranged in the support frame and fixing the cutter bars in their position relative to the axial displacement during an axial displacement of the support shaft with a cutterhead.
  • these holding stops can have stop pieces which can be moved in and out in the region of the end faces of the cutter bars.
  • the two knife drums 1 and 2 are arranged on support shafts 3 and 4, on the drive pins 3a, 4a of which the helical gear meshing drive gears 5 and 6 are seated.
  • the lower support shaft 4 with the knife drum 2 is supported in fixed roller bearings 6 and 8 in the support frame 9 of the drum shear.
  • the upper support shaft 3 is supported in roller bearings 10 and 11, which allow an axial displacement of its inner ring 10a, 11 with the rollers relative to the outer ring 10b, 11 arranged fixedly in the support frame 9.
  • a pin shoulder 12 is placed, which is surrounded by an inner ring collar 14a of a cylinder sleeve 14 which is piston-like in a guide 15 arranged in the support frame 9 in the direction of the axis of rotation of the support shaft 3.
  • the ring end faces of the collar 14a are bordered by two axial bearings 16 and 17 seated on the pin boss 12 and axially fixed by a nut 18 screwable onto a threaded end 12a of the pin boss 12.
  • the cylinder sleeve 14 has on its ring face facing away from the inner ring 14a a flange cover 19 with a central threaded bore 19a into which a threaded spindle 20 engages, which can be set in rotation by a motor 40 via a worm gear 22.
  • This perforated disc 24 is provided in a manner not shown with a display scale which is assigned to the actuating arm 21.
  • stop pieces 27 are provided in vertical guides, which can be moved up and down by piston-cylinder units 28 in the direction of the arrows shown.
  • the mutually facing, slightly inclined holding surfaces 27a of these stop pieces act on the end faces 29a of the cutter bar 29 in the longitudinal recesses 1a of the cutterhead 1.
  • These cutter bars 29 are, as can be seen in FIG. 2, by means of a clamping wedge 30 which has a pull rod 32 below it The effect of a spring assembly 33 is clampable in the longitudinal recess 1a.
  • the pull rod 32 carries at its end facing away from the clamping wedge 30 a piston 34 which is guided in a cylinder piece 35 and can be acted upon by a pressure medium via a feed line 36 in a manner not shown.
  • the tensioning wedge 30 is brought out of tension against the action of the spring assembly 33 and the knife bar 29 can slide in the longitudinal recess 1a. If the holding surfaces 27a of the stop pieces 27 act on the two end faces 29a of the cutter bar 29 in the manner shown in FIG.
  • the cutter bar 29 remains in the position shown while the cutterhead 1 when the motor 40 is actuated by the spindle 20 via the cylinder sleeve 14 and the latter Inner ring collar 14a is displaced axially in the direction of the arrows V in one direction or the other.
  • the displacement path is shown by the actuating arm 21 on the scale (not shown), and the device can then, after the knife bar 29 has been clamped in the longitudinal recess 1a with the aid of the clamping wedge 30 and the spring assembly 33, by retracting the locking cam 23 into a hole in the Perforated disk 24 can be locked.
  • the stop pieces 27 are moved back into their starting position with the aid of the piston-cylinder units 28 and the drum shears are ready for cutting.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Milling Processes (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

Clearance adjusting means for rotating cutters, the cutter drums of which, firmly seated on a pair of supporting shafts having helical driving gears, possess longitudinal openings for receiving cutter bars, in which openings the latter can be clamped with the aid of fastening elements acting on clamping wedges and capable of being subjected to pressure, are to be improved such that the disadvantages of the known complex means for displacement of a driving gear on the supporting shaft and its locking are avoided, and the axial position of both cutter blocks relative to one another remains unchanged during the clearance adjusting process. For this purpose, retaining stops are proposed, which are arranged in the supporting frame of the rotating cutters and fix the cutter bars, during an axial displacement of one of the supporting shafts with cutter drum and driving gear relative to the other, in their position in the longitudinal openings of this cutter drum. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Einstellung des Messerspaltes an Trommelscheren, deren fest auf einem Tragwellenpaar mit schrägverzahnten Antriebszahnsitzende Messertrommeln Längsausnehmungen zur Aufnahme von in diesen verschiebbaren Masserbalken aufweisen, die mit Hilfe von an Spannkeilen angreifenden druckbeaufschlagbaren Befestigungselementen festklemmbar sind, bei der der dem das Antriebsrad tragenden Zapfen der Tragwelle abgewandte Zapfen mit einem, im Tragrahmen der Trommelschere angeordneten Axialverschiebeantrieb verbunden ist.The invention relates to a device for adjusting the knife gap on drum scissors, the fixed on a pair of support shafts with helical toothed toothed knife drums have longitudinal recesses for receiving in this displaceable mass bar, which can be clamped with the help of clamping wedges acting on pressurized fastening elements, in which the Drive wheel bearing pin of the support shaft facing pin is connected to an arranged in the support frame of the drum shear axial displacement drive.

Bei Trommelscheren dieser Art wird die Einstellung des Messerspaltes bisher in der Weise durchgeführt, daß eines der schrägverzahnten Antriebszahnräder auf seinem Sitz auf dem Zapfen der Tragwelle mit Hilfe einer Stelleinrichtung axial verschoben wird und dabei, bedingt durch die radiale Komponente der Abstützkraft auf den Gegenzähnen des anderen schrägverzahnten Antriebszahnrades eine relative Drehversetzung der Messertrommel gegenüber der anderen Messertrommel bewirkt, mit der sich die Breite des Messerspaltes der Messerblöcke beider Trommeln einstellen läßt. Die Vorrichtung bringt den wesentlichen Nachteil mit sich, daß das Antriebszahnrad auf dem Wellenzapfen der Radwelle der Messertrommel drehfest aber axial verschiebbar angeordnet werden, und daß diese Verschiebbarkeit während des Schneidbetriebes der Scheren wieder aufgehoben, d.h. blockiert werden muß. Diese Notwendigkeit erforderte einen erheblichen technischen Aufwand, nämlich z.B. achsparallel in Nuten zwischen Tragwellenzapfen und Antriebszahnrad verschiebbare Stellkeile mit axialen Sicherungselementen sowie eine auf die Stirnseite des Zapfens aufgesetzte Verschiebeeinrichtung für die Keile.In drum shears of this type, the setting of the knife gap has so far been carried out in such a way that one of the helical drive gears on its seat on the journal of the support shaft is axially displaced with the aid of an actuating device and, due to the radial component of the supporting force on the opposing teeth of the other helical drive gear causes a relative rotational displacement of the knife drum relative to the other knife drum, with which the width of the knife gap of the knife blocks of both drums can be adjusted. The device has the major disadvantage that the drive gear on the shaft journal of the wheel shaft of the knife drum are arranged rotatably but axially displaceably, and that this displaceability is canceled again during the cutting operation of the scissors, i.e. must be blocked. This necessity required considerable technical effort, namely e.g. Adjusting wedges with axial securing elements that can be displaced axially parallel in the grooves between the support shaft journal and drive gear, as well as a displacement device for the wedges placed on the end face of the journal.

Für rotierende Scheren mit schrauben- oder spiralförmig auf dem Umfang der Messertrommel verlaufenden Messern wurde bereits vorgeschlagen, die hier sehr schwierige Ausrichtung der Scherenmesser durch Verschwenken der Lager einer der beiden Tragwellen der Messertrommeln zu bewirken und dabei zusätzlich zur Einstellung des genauen Spiels der so eingestellten Messer die eine der beiden Tragwellen mit der Messertrommel und dem schrägverzahnten Antriebszahnrad axial zu verschieben und auf diese Weise eine Drehversetzung der einen Messertrommel gegenüber der anderen herbeizuführen. Für die Einstellung des Messerspaltes bei den gattungsgemäßen Trommelscheren eignet sich eine solche Vorrichtung zur axialen Verschiebung einer Tragwelle deshalb nicht, weil die Schneidkanten der Messerblöcke durchweg konvex nach außen bogenförmig verlaufen und deshalb bei axialer Verschiebung einer der Messertrommeln zusammen mit dem auf der Trommel sitzenden Messerblock die Schneidsymetrie zwischen dem Messerblock der einen und der anderen Messertrommel gestört und damit ein Schneiden unmöglich gemacht würde (DE-AS 2037270).For rotating scissors with helical or spiral knives running on the circumference of the knife drum, it has already been proposed to bring about the very difficult alignment of the scissor knives by pivoting the bearings of one of the two support shafts of the knife drums and in addition to adjusting the exact play of the knives set in this way to axially shift one of the two support shafts with the knife drum and the helical toothed drive gear and in this way bring about a rotational displacement of one knife drum relative to the other. Such a device for axially displacing a support shaft is not suitable for adjusting the knife gap in the generic drum shears because the cutting edges of the knife blocks are all convex to the outside in an arcuate manner and therefore when one of the knife drums is axially displaced together with the knife block sitting on the drum Cutting symmetry between the knife block of one and the other knife drum is disturbed, making cutting impossible (DE-AS 2037270).

Ausgehend von einer durch Lieferungen und Benutzung bekanntgewordenen aber nicht druckschriftlich vorveröffentlichten Vorrichtung zur Befestigung der Messerblöcke in Längsausnehmungen des Umfangs der Messertrommeln mit Hilfe von an Spannkeilen angreifenden druckbeaufschlagbaren Befestigungselementen die es z.B. erlauben, die Druckbeaufschlagung der Befestigungselemente durch hydraulischen Gegendruck aufzuheben und damit die Messerblöcke in den Längsausnehmungen verschiebbar zu machen hat sich die Erfindung die Aufgabe gestellt, die Vorrichtung zur Einstellung des Messerspaltes an den gattungsgemäßen Trommelscheren so zu verbessern, daß die Nachteile der aufwendigen Vorrichtung zur Verschiebung eines Antriebszahnrades auf der Tragwelle und dessen Blockierung vermieden werden und die axiale Stellung beider Messerblöcke zueinander während des Einstellvorgangs des Messerspaltes unverändert bleibt.Starting from a device for fastening the knife blocks in longitudinal recesses of the circumference of the knife drums, which has become known through deliveries and use but is not previously published in writing, with the aid of fastening elements which can be pressurized and which act on clamping wedges. Allow to release the pressurization of the fasteners by hydraulic back pressure and thus to make the knife blocks displaceable in the longitudinal recesses, the invention has the task of improving the device for adjusting the knife gap on the generic drum shears so that the disadvantages of the complex device for displacement a drive gear on the support shaft and its blocking can be avoided and the axial position of the two knife blocks relative to one another remains unchanged during the setting process of the knife gap.

Diese Aufgabe wird durch im Tragrahmen angeordnete, die Messerbalken während einer Axialverschiebung der Tragwelle mit Messertrommel in ihrer Lage relativ zu der Axialverschiebung festlegende Halteanschläge gelöst. Diese Halteanschläge können, wie die Erfindung weiter vorsieht, im Bereich der Stirnflächen der Messerbalken, diese beaufschlagende ein- und herausfahrbare Anschlagstücke aufweisen.This object is achieved by holding stops arranged in the support frame and fixing the cutter bars in their position relative to the axial displacement during an axial displacement of the support shaft with a cutterhead. As the invention further provides, these holding stops can have stop pieces which can be moved in and out in the region of the end faces of the cutter bars.

Diese Halteanschläge halten den Messerbalken, der sich in der Längsausnehmung der, durch Axialverschiebung zu verstellenden Messertrommel befindet, während des Verschiebevorgangs in seiner ursprünglichen Lage zu dem Messerbalken der anderen, nicht verschobenen Messertrommel fest, so daß die Lage der Schneiden beider Messer quer zur Radialen unverändert bleibt. Für den Verstellvorgang ist es lediglich notwendig, die Druckbeaufschlagung der die Spannkeile angreifenden Befestigungselemente aufzuheben, damit der Messerbalken in der Längsausnehmung relativ zur Messertrommel verschiebbar ist, d.h. daß die Messertrommel bei festgehaltenem Messerbalken axial verschoben werden kann. Nach Beendigung des Einstellvorgangs werden die Befestigungselemente der Spannkeile erneut der Druckbeaufschlagung ausgesetzt und die Halteanschläge aus dem Bereich der Messerbalken gefahren.These holding stops hold the knife bar, which is located in the longitudinal recess of the knife drum to be adjusted by axial displacement, during the displacement process in its original position relative to the knife bar of the other, not displaced knife drum, so that the position of the cutting edges of both knives transversely to the radial remains unchanged remains. For the adjustment process, it is only necessary to release the pressurization of the fastening elements engaging the clamping wedges, so that the knife bar can be displaced in the longitudinal recess relative to the knife drum, i.e. that the knife drum can be moved axially while holding the knife bar. After the adjustment process has been completed, the fastening elements of the clamping wedges are again exposed to pressure and the holding stops are moved out of the area of the cutter bars.

Die Erfindung wird anhand des in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. In der Zeichnung zeigen

  • Fig. 1 eine Trommelschere mit der Einstellvorrichtung im Axialschnitt und
  • Fig. 2 eine Einzelheit im Radialschnitt in vergrößertem Maßstab.
The invention is explained in more detail with reference to the embodiment shown in the drawing. Show in the drawing
  • Fig. 1 is a drum shear with the adjusting device in axial section and
  • Fig. 2 shows a detail in radial section on an enlarged scale.

Wie aus Fig. 1 zu ersehen, sind die beiden Messertrommeln 1 und 2 auf Tragwellen 3 und 4 angeordnet, auf deren Antriebszapfen 3a, 4a die schrägverzahnten, miteinander kämmenden Antriebszahnräder 5 und 6 sitzen. Die untere Tragwelle 4 mit der Messertrommel 2 lagert in festen Rollenlagern 6 und 8 im Tragrahmen 9 der Trommelschere. Die obere Tragwelle 3 lagert in Rollenlagern 10 und 11, die eine Axialverschiebung ihres Innenrings 10a, 11 mit den Rollen gegenüber dem fest im Tragrahmen 9 angeordneten Außenring 10b, 11 zulassen. Auf den, dem Antriebszapfen 3a abgewandten Zapfen 3b der Tragwelle 3 ist stirnseitig ein Zapfenansatz 12 aufgesetzt, der von einem Innenringbund 14a einer Zylinderhülse 14 umfaßt wird, die kolbenartig in einer im Tragrahmen 9 angeordneten Führung 15 in Richtung der Drehachse der Tragwelle 3 verschiebbar ist. Die Ringstirnflächen des Ringbundes 14a werden von zwei auf dem Zapfenansatz 12 sitzenden Axiallagern 16 und 17 eingefaßt und durch eine auf ein Gewindeende 12a des Zapfenansatzes 12 aufschraubbare Mutter 18 axial festgelegt. Die Zylinderhülse 14 trägt auf ihrer dem Innenring 14a abgewandten Ringstirn einen Flanschdeckel 19 mit einer zentralen Gewindebohrung 19a, in die eine Gewindespindel 20 eingreift, die über ein Schneckengetriebe 22 von einem Motor 40 in Drehung versetzt werden kann. Auf dem freien Ende der Spindel 20 sitzt ein Stellarm 21 mit Rastnocken 23 die in eine Lochscheibe 24 ein- und ausfahrbar sind. Diese Lochscheibe 24 ist auf nicht dargestellte Weise mit einer Anzeigenskala versehen, die dem Stellarm 21 zugeordnet ist.As can be seen from FIG. 1, the two knife drums 1 and 2 are arranged on support shafts 3 and 4, on the drive pins 3a, 4a of which the helical gear meshing drive gears 5 and 6 are seated. The lower support shaft 4 with the knife drum 2 is supported in fixed roller bearings 6 and 8 in the support frame 9 of the drum shear. The upper support shaft 3 is supported in roller bearings 10 and 11, which allow an axial displacement of its inner ring 10a, 11 with the rollers relative to the outer ring 10b, 11 arranged fixedly in the support frame 9. On the end facing away from the drive pin 3a pin 3b of the support shaft 3, a pin shoulder 12 is placed, which is surrounded by an inner ring collar 14a of a cylinder sleeve 14 which is piston-like in a guide 15 arranged in the support frame 9 in the direction of the axis of rotation of the support shaft 3. The ring end faces of the collar 14a are bordered by two axial bearings 16 and 17 seated on the pin boss 12 and axially fixed by a nut 18 screwable onto a threaded end 12a of the pin boss 12. The cylinder sleeve 14 has on its ring face facing away from the inner ring 14a a flange cover 19 with a central threaded bore 19a into which a threaded spindle 20 engages, which can be set in rotation by a motor 40 via a worm gear 22. On the free end of the spindle 20 there is an actuating arm 21 with locking cams 23 which can be moved into and out of a perforated disk 24. This perforated disc 24 is provided in a manner not shown with a display scale which is assigned to the actuating arm 21.

Auf der Traverse 9a des Tragrahmens 9 oberhalb der Messertrommel 1 sind in senkrechten Führungen 26 Anschlagstücke 27 vorgesehen, die von Kolben-Zylinder-Aggregaten 28 in Richtung der eingezeichneten Pfeile auf- und abbewegbar sind. Die einander zugewandten zur Senkrechten leicht geneigten Halteflächen 27a dieser Anschlagstücke beaufschlagen die Stirnflächen 29a der Messerbalken 29 in den Längsausnehmungen 1a der Messertrommel 1. Diese Messerbalken 29 sind, wie sich ais Fig. 2 ergibt, mittels eines Spannkeils 30 der über eine Zugstange 32 unter der Wirkung eines Federpaketes 33 steht, in der Längsausnehmung 1a festklemmbar. Die Zugstange 32 trägt an ihrem dem Spannkeil 30 abgewandten Ende einen in einem Zylinderstück 35 geführten Kolben 34 der über eine Zuleitung 36 auf nicht dargestellte Weise mit einem Druckmittel beaufschlagbar ist. Bei Beaufschlagung des Kolbens 34 mit dem Druckmittel wird der Spannkeil 30 entgegen der Wirkung des Federpaketes 33 außer Spannlage gebracht und der Messerbalken 29 kann in der Längsausnehmung 1a gleiten. Wenn die Halteflächen 27a der Anschlagstücke 27 die beiden Stirnflächen 29a der Messerbalken 29 in der in Fig. 1 dargestellten Weise beaufschlagen bleibt der Messerbalken 29 in der gezeichneten Stellung während die Messertrommel 1 bei Betätigung des Motors 40 durch die Spindel 20 über die Zylinderhülse 14 und deren Innenringbund 14a axial in Richtung der eingezeichneten Pfeile V in der einen oder anderen Richtung verschoben wird. Den Verschiebeweg zeigt der Stellarm 21 auf der (nicht dargestellten) Skala an, und die Vorrichtung kann anschließend, nachdem der Messerbalken 29 mit Hilfe des Spannkeils 30 und des Federpaketes 33 in der Längsausnehmung 1a weider festgeklemmt wurde durch Einfahren des Rastnockens 23 in eine Lochung der Lochscheibe 24 arretiert werden. Die Anschlagstücke 27 werden mit Hilfe der Kolben-Zylinder-Aggregate 28 in ihre Ausgangsstellung zurückgefahren und die Trommelschere ist schneidbereit.On the crossbeam 9a of the support frame 9 above the knife drum 1 26 stop pieces 27 are provided in vertical guides, which can be moved up and down by piston-cylinder units 28 in the direction of the arrows shown. The mutually facing, slightly inclined holding surfaces 27a of these stop pieces act on the end faces 29a of the cutter bar 29 in the longitudinal recesses 1a of the cutterhead 1. These cutter bars 29 are, as can be seen in FIG. 2, by means of a clamping wedge 30 which has a pull rod 32 below it The effect of a spring assembly 33 is clampable in the longitudinal recess 1a. The pull rod 32 carries at its end facing away from the clamping wedge 30 a piston 34 which is guided in a cylinder piece 35 and can be acted upon by a pressure medium via a feed line 36 in a manner not shown. When the piston 34 is acted upon by the pressure medium, the tensioning wedge 30 is brought out of tension against the action of the spring assembly 33 and the knife bar 29 can slide in the longitudinal recess 1a. If the holding surfaces 27a of the stop pieces 27 act on the two end faces 29a of the cutter bar 29 in the manner shown in FIG. 1, the cutter bar 29 remains in the position shown while the cutterhead 1 when the motor 40 is actuated by the spindle 20 via the cylinder sleeve 14 and the latter Inner ring collar 14a is displaced axially in the direction of the arrows V in one direction or the other. The displacement path is shown by the actuating arm 21 on the scale (not shown), and the device can then, after the knife bar 29 has been clamped in the longitudinal recess 1a with the aid of the clamping wedge 30 and the spring assembly 33, by retracting the locking cam 23 into a hole in the Perforated disk 24 can be locked. The stop pieces 27 are moved back into their starting position with the aid of the piston-cylinder units 28 and the drum shears are ready for cutting.

Claims (6)

1. Device for the setting of the blade gap at drum shears, the blade drums (1, 2) of which sit firmly on a carrier shaft pair (3, 4) with helically toothed drive wheels (5, 6) and display longitudinal recesses (1a) for the reception of blade bars (29), which are displaceable therein and clampable fast with the aid of pressure-loadable fastening elements (32, 34, 35) engaging at clamping wedges (30), in which the spigot (3b), which is remote from that spigot (3a) of the carrier shaft (3), which carries the drive wheel (5), is connected with an axial displacement drive arranged in the carrier frame (9) of the drum shears, characterised by retaining abutments which are arranged in the carrier frame (9) and fix the blade bars (29) in their position relative to the axial displacement during an axial displacement of the carrier shaft (3) with the blade drum (1).
2. Device according to claim 1, characterised thereby, that the retaining abutments in the region of the end faces (29a) of the blade bars (29) display extendable and retractable abutment members (27) acting on the latter.
3. Device according to claim 2, characterised thereby, that the abutment members (27) are displaceable in guides arranged in the crossbeam (9a) of the carrier frame (9) and driven by piston- cylinder units arranged on the crossbeam (9a) and display mutually facing retaining surfaces (27a) inclined slightly to the vertical.
4. Device according to one or more of the claims 1 to 3, characterised thereby, that the axial displacement device consists of a cylinder sleeve (14), which is displaceable in the manner of a piston in the carrier frame (9) in axial direction of the carrier shaft (3) by a spindle (20) and displays an internal annular flange (14a), which is connectable with a spigot projection (12) of the carrier shaft (3), wherein a fixable setting arm (21) sits on the spindle (20).
5. Device according to claim 4, characterised thereby, that a setting indicator scale is associated with the setting arm (21).
6. Device according to the claims 4 and/or 5, characterised thereby, that the setting arm (21) displays a detent dog (23), which is extendable into the retractable out of holes in a hole disc (24).
EP85106803A 1984-06-23 1985-06-03 Clearance adjusting means for rotating cutters Expired - Lifetime EP0169350B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85106803T ATE58320T1 (en) 1984-06-23 1985-06-03 DEVICE FOR ADJUSTING THE KNIFE GAP ON DRUM SHEARS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3423275 1984-06-23
DE19843423275 DE3423275A1 (en) 1984-06-23 1984-06-23 DEVICE FOR ADJUSTING THE KNIFE GAP ON DRUM SHEARS

Publications (3)

Publication Number Publication Date
EP0169350A2 EP0169350A2 (en) 1986-01-29
EP0169350A3 EP0169350A3 (en) 1988-03-09
EP0169350B1 true EP0169350B1 (en) 1990-11-14

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EP85106803A Expired - Lifetime EP0169350B1 (en) 1984-06-23 1985-06-03 Clearance adjusting means for rotating cutters

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AT (1) ATE58320T1 (en)
DE (2) DE3423275A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5048387A (en) * 1989-07-14 1991-09-17 Komori Corporation Horizontal perforation forming apparatus for rotary press
DE9204618U1 (en) * 1992-04-03 1992-05-27 BHS-Bayerische Berg-, Hütten- und Salzwerke AG, 8000 München Knife bar for a cross cutter for a web of material, especially for corrugated cardboard
NL9500508A (en) * 1995-03-14 1996-10-01 Stichting Administratiekantoor Cutting device with rotatable cutting rollers
DE102004058491A1 (en) * 2004-12-04 2006-06-14 Sms Demag Ag Device for clamping a knife in scissors for cutting strips
RU2594233C1 (en) * 2015-01-27 2016-08-10 Андрей Дмитриевич Клишин Portable pyrotechnic cutters
DE102015222181A1 (en) 2015-06-10 2016-12-15 Sms Group Gmbh Device for changing a knife on a pair of scissors, in particular for rolled strip, and scissors with at least one replaceable knife
CN105946020B (en) * 2016-07-11 2018-01-02 宁波赛利食品机械有限公司 Slicer with adjustable
CN108189123B (en) * 2017-12-29 2020-10-09 鲁理祥 Edge trimmer
RU2696912C9 (en) * 2018-12-03 2019-12-09 Виктор Андреевич Зяпаев Portable pulse-thermal shears

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937555A (en) * 1957-11-25 1960-05-24 United States Steel Corp Flying shear with means for adjusting blade setting
DE2065612C3 (en) * 1970-07-28 1979-01-25 The Hallden Machine Co., Thomaston, Conn. (V.St.A.) Fastening for a knife with a cross-section forming a parallelogram on a knife drum

Also Published As

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ATE58320T1 (en) 1990-11-15
DE3580530D1 (en) 1990-12-20
DE3423275A1 (en) 1986-01-02
EP0169350A3 (en) 1988-03-09
EP0169350A2 (en) 1986-01-29

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