EP3117988A1 - Press with variable mass balancing and method of adjusting this balancing mass - Google Patents

Press with variable mass balancing and method of adjusting this balancing mass Download PDF

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Publication number
EP3117988A1
EP3117988A1 EP16176393.3A EP16176393A EP3117988A1 EP 3117988 A1 EP3117988 A1 EP 3117988A1 EP 16176393 A EP16176393 A EP 16176393A EP 3117988 A1 EP3117988 A1 EP 3117988A1
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Prior art keywords
mass
tank
press
mass balance
substance
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EP16176393.3A
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German (de)
French (fr)
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EP3117988B1 (en
Inventor
Paolo Matassoni
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Andritz Technology and Asset Management GmbH
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Andritz Technology and Asset Management GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0064—Counterbalancing means for movable press elements

Definitions

  • the subject of this invention is a press or a punching machine with a drive over which a plunger is driven to oscillate.
  • a plunger is driven to oscillate.
  • an oscillating mass balance is provided, which is also driven by the drive oscillating in the opposite direction to the plunger.
  • the mass balance has a tank that can be filled with a substance to adjust the mass of the mass balance.
  • the subject of this invention is also a method for adjusting the mass of the mass balance, which is carried out with the device according to the invention.
  • the upper tool part which is attached to the plunger, is changed, for example when changing to another product to be produced, often changes the oscillating total weight to be compensated, since different tool shells usually have different masses.
  • the mass balance adjustment is currently made during the tool change by the addition or removal of metal weights attached to the oscillating mass balance. Such mass adaptation is time consuming and expensive, especially when the tool shell is changed frequently.
  • the JP S6138800 A discloses a mass balancing press having a tank. To adjust the mass of the mass balance, this tank can be filled with a liquid. So that the liquid can not spill uncontrollably in the partially filled tank, a displaceable plate is arranged in the tank, which limits the liquid surface and thus stabilized and prevents foaming. The construction of such a tank is complicated and at high stroke rates a reliable sealing and positioning of the sliding plate is difficult to achieve. In addition, in the tank according to the JP S6138800 A Arranged sensors that are exposed to considerable loads at high speeds.
  • the invention is therefore based on the object to provide a press or a punching machine, in which a tool change can be performed quickly and easily and in which the mass balance has a robust and simple structure.
  • a press or a punching machine with a mass balance which has a tank which is divided into individual separated areas or are several tanks present, which are preferably separately filled.
  • the mass of the mass balance can thus be very easily adjusted by the filling or by the emptying of the individual areas of the tank. If there are several tanks, for example two tanks, the mass may be easily adapted by filling or by emptying these individual tanks. By completely or almost completely filling these individual areas or individual tanks, sloshing movements of the liquid and foaming are reliably prevented.
  • the volumes of the individual areas or partial tanks are preferably dimensioned such that the mass change thereby enabled corresponds to the mass change caused by the tool change when completely filled.
  • water or preferably oil can be used, which is anyway required in large quantities for the press operation. But it can also be a solid, such as lead or steel balls or sand used for filling the tank.
  • the adjustment of the mass of the mass balance is preferably carried out during the tool change, ideally automatically.
  • baffles are arranged in the subregions or individual tanks, by means of which the movement of the substance, for example of the oil, in the tank is further reduced.
  • a displacement body for example a plastic bladder, can also be provided, which volume loses volume when the tank is filled with the substance and limits the possibility of movement of the substance in the tank.
  • the tank is preferably connected via a flexible hose and a pump with a fixed reservoir. The connection via the flexible hose, the tank can easily with the mass balance move, without the need for the connection to the reservoir must be solved.
  • the invention also encompasses a method of adjusting the mass balancing mass in a press or a stamping press according to any one of claims 1 to 5.
  • the mass balancing mass is adjusted during a tool change by changing the mass balancing mass.
  • the sections or tanks can each be equipped with overflow valves. For a mass adjustment of the mass balance then appropriate sub-areas or tanks are filled until the substance exits from the overflow of the respective sub-area / tank. Complete filling of individual sections / tanks only allows a discrete mass adjustment, but measuring the amount of substance becomes less important, if not superfluous, and prevents it from moving in the tank.
  • FIG. 1 shows a stamping machine 1 with a drive 7, which drives a eccentric shaft 4 via a clutch-brake combination 6 and a flywheel 5.
  • the eccentric shaft 4 drives the plunger 2 via the connecting rod 3 in an oscillating manner.
  • a punching tool 15 is attached.
  • the eccentric shaft 4 also drives the mass balance 9 in an oscillating manner via another connecting rod 8, in such a way that the mass balance 9 moves in the opposite direction to the plunger 2.
  • a tank 10 is attached, which can be filled here via a flexible hose 16 by means of a pump 12 with oil. The oil is removed from a reservoir 13.
  • the tank 10 is part of the mass balance 9 and secured by tension bands 11 on the rest of mass balance 9. Alternatively, the tank 10 can also be connected via rubber pads for vibration damping with the remaining mass balance 9, for example, screwed.
  • the tank 10 according to Fig. 1 consists of several sections, where the section is exactly through a section. In the sub-area are baffles 14, through which the liquid movement is calmed.
  • the mass of the mass balance 9 is adjusted by changing the amount of oil in the tank 10 at the same time.
  • the embodiment shown in the drawing represents only a preferred embodiment of the invention.
  • the invention also includes other embodiments in which the tank 10 is filled with a solid. The solid can then be blown by means of compressed air into the tank 10 or sucked for emptying.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)

Abstract

Den Gegenstand dieser Erfindung bildet eine Presse oder ein Stanzautomat (1) mit einem Antrieb (7) über den ein Stößel (2) oszillierend angetrieben wird. Zum Ausgleich von Massenkräften ist ein oszillierender Massenausgleich (9) vorgesehen, der ebenfalls über den Antrieb (7) oszillierend in entgegengesetzter Richtung zum Stößel (2) angetrieben wird. Erfindungsgemäß weist der Massenausgleich (9) einen in Teilbereiche unterteilten Tank (10) bzw. mehrere Tanks auf, die zur Massenanpassung mit einem Stoff, beispielsweise Öl, befüllbar sind. Den Gegenstand dieser Erfindung bildet auch ein Verfahren, zum Anpassen der Masse des Massenausgleichs (9).The subject of this invention forms a press or a punching machine (1) with a drive (7) via which a plunger (2) is driven to oscillate. To compensate for inertial forces an oscillating mass balance (9) is provided, which is also driven via the drive (7) oscillating in the opposite direction to the plunger (2). According to the invention, the mass balance (9) has a tank (10) subdivided into partial regions or a plurality of tanks which can be filled with a substance, for example oil, for mass adaptation. The subject of this invention is also a method for adjusting the mass of the mass balance (9).

Description

Den Gegenstand dieser Erfindung bildet eine Presse oder ein Stanzautomat mit einem Antrieb über den ein Stößel oszillierend angetrieben wird. Zum Ausgleich von Massenkräften ist ein oszillierender Massenausgleich vorgesehen, der ebenfalls über den Antrieb oszillierend in entgegengesetzter Richtung zum Stößel angetrieben wird. Der Massenausgleich weist einen Tank auf, der zur Anpassung der Masse des Massenausgleichs mit einem Stoff befüllbar ist.The subject of this invention is a press or a punching machine with a drive over which a plunger is driven to oscillate. To compensate for inertial forces an oscillating mass balance is provided, which is also driven by the drive oscillating in the opposite direction to the plunger. The mass balance has a tank that can be filled with a substance to adjust the mass of the mass balance.

Den Gegenstand dieser Erfindung bildet auch ein Verfahren zum Anpassen der Masse des Massenausgleichs, das mit der erfindungsgemäßen Vorrichtung durchgeführt wird.The subject of this invention is also a method for adjusting the mass of the mass balance, which is carried out with the device according to the invention.

Insbesondere bei schnelllaufenden Stanzautomaten ist es üblich, dass zur Verminderung von Vertikalkräften ein oszillierender Massenausgleich vorgesehen ist, der als Gegengewicht das Gewicht des Stößels und des Werkzeuges ausgleicht.In particular, in high-speed stamping machines, it is common that an oscillating mass balance is provided to reduce vertical forces, which compensates as a counterweight, the weight of the plunger and the tool.

Wenn bei derartigen Maschinen das Werkzeugoberteil, welches am Stößel befestigt ist, gewechselt wird, beispielsweise beim Wechsel auf ein anderes herzustellendes Produkt, ändert sich häufig auch das auszugleichende oszillierende Gesamtgewicht, da unterschiedliche Werkzeugoberteile in der Regel auch unterschiedliche Massen besitzen.
Die Anpassung der Masse des Massenausgleichs erfolgt gegenwärtig während des Werkzeugwechsels durch das Hinzufügen oder das Entfernen von Metallgewichten, die am oszillierenden Massenausgleich befestigt sind. Eine derartige Massenanpassung ist zeitraubend und aufwändig, insbesondere wenn das Werkzeugoberteil häufig gewechselt wird.If in such machines, the upper tool part, which is attached to the plunger, is changed, for example when changing to another product to be produced, often changes the oscillating total weight to be compensated, since different tool shells usually have different masses.
The mass balance adjustment is currently made during the tool change by the addition or removal of metal weights attached to the oscillating mass balance. Such mass adaptation is time consuming and expensive, especially when the tool shell is changed frequently.

Die JP S6138800 A offenbart eine Presse mit einem Massenausgleich, der einen Tank aufweist. Zum Anpassen der Masse des Massenausgleichs kann dieser Tank mit einer Flüssigkeit befüllt werden. Damit im teilweise befüllten Tank die Flüssigkeit nicht unkontrolliert umherschwappen kann, ist im Tank eine verschiebbare Platte angeordnet, die die Flüssigkeitsoberfläche begrenzt und so stabilisiert und eine Schaumbildung verhindert. Der Aufbau eines derartigen Tanks ist kompliziert und bei hohen Hubzahlen ist eine zuverlässige Abdichtung und Positionierung der verschiebbaren Platte schwer zu erreichen. Außerdem sind im Tank gemäß der JP S6138800 A Sensoren angeordnet, die bei hohen Hubzahlen erheblichen Belastungen ausgesetzt sind.The JP S6138800 A discloses a mass balancing press having a tank. To adjust the mass of the mass balance, this tank can be filled with a liquid. So that the liquid can not spill uncontrollably in the partially filled tank, a displaceable plate is arranged in the tank, which limits the liquid surface and thus stabilized and prevents foaming. The construction of such a tank is complicated and at high stroke rates a reliable sealing and positioning of the sliding plate is difficult to achieve. In addition, in the tank according to the JP S6138800 A Arranged sensors that are exposed to considerable loads at high speeds.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Presse oder einen Stanzautomaten bereitzustellen, bei denen ein Werkzeugwechsel schnell und einfach durchgeführt werden kann und bei denen der Massenausgleich einen robusten und einfachen Aufbau aufweist.The invention is therefore based on the object to provide a press or a punching machine, in which a tool change can be performed quickly and easily and in which the mass balance has a robust and simple structure.

Gelöst wird diese Aufgabe gemäß Anspruch 1 durch eine Presse oder einen Stanzautomaten mit einem Massenausgleich, der einen Tank aufweist, der in einzelne voneinander abgetrennte Bereiche unterteilt ist bzw. sind mehrere Tanks vorhanden, die vorzugsweise separat befüllbar sind.This object is achieved according to claim 1 by a press or a punching machine with a mass balance, which has a tank which is divided into individual separated areas or are several tanks present, which are preferably separately filled.

Die Masse des Massenausgleichs kann somit durch die Befüllung bzw. durch die Entleerung der einzelnen Bereiche des Tanks sehr einfach angepasst werden. Wenn mehrere Tanks vorhanden sind, beispielsweise zwei Tanks, kann die Masse durch die Befüllung bzw. durch die Entleerung dieser Einzeltanks einfach angepasst werden.
Durch eine vollständige oder annähernd vollständige Befüllung dieser Einzelbereiche bzw. Einzeltanks werden Schwapp-Bewegungen der Flüssigkeit und eine Schaumbildung zuverlässig verhindert.
Die Volumina der Einzelbereiche oder Teiltanks werden vorzugsweise so bemessen, dass die dadurch ermöglichte Massenänderung bei vollständiger Füllung der durch den Werkzeugwechsel bedingten Massenänderung entspricht.The mass of the mass balance can thus be very easily adjusted by the filling or by the emptying of the individual areas of the tank. If there are several tanks, for example two tanks, the mass may be be easily adapted by filling or by emptying these individual tanks.
By completely or almost completely filling these individual areas or individual tanks, sloshing movements of the liquid and foaming are reliably prevented.
The volumes of the individual areas or partial tanks are preferably dimensioned such that the mass change thereby enabled corresponds to the mass change caused by the tool change when completely filled.

Als Stoff kann Wasser oder vorzugsweise Öl verwendet werden, das ohnehin in großer Menge für den Pressenbetrieb benötigt wird. Es kann aber auch ein Feststoff, beispielsweise Blei- bzw. Stahlkugeln oder Sand für die Befüllung des Tanks verwendet werden.As the substance water or preferably oil can be used, which is anyway required in large quantities for the press operation. But it can also be a solid, such as lead or steel balls or sand used for filling the tank.

Die Anpassung der Masse des Massenausgleichs erfolgt vorzugsweise während des Werkzeugwechsels, idealerweise automatisch.The adjustment of the mass of the mass balance is preferably carried out during the tool change, ideally automatically.

Es ist günstig, wenn in den Teilbereichen oder Einzeltanks Schwallbleche (Trennwände) angeordnet sind, durch die die Bewegung des Stoffs, beispielsweise des Öls, im Tank weiter reduziert wird. In den Tanks oder den Teilbereichen kann auch jeweils ein Verdrängungskörper, beispielsweise eine Kunststoffblase, vorgesehen sein, der bei einer Befüllung des Tanks mit dem Stoff an Volumen verliert und die Bewegungsmöglichkeit des Stoffs im Tank eingrenzt.
Der Tank ist vorzugsweise über einen flexiblen Schlauch und eine Pumpe mit einem feststehenden Vorratsbehälter verbunden. Durch die Verbindung über den flexiblen Schlauch kann sich der Tank problemlos mit dem Massenausgleich bewegen, ohne dass dafür die Verbindung zum Vorratsbehälter gelöst werden muss.It is advantageous if baffles (partitions) are arranged in the subregions or individual tanks, by means of which the movement of the substance, for example of the oil, in the tank is further reduced. In the tanks or the subregions, a displacement body, for example a plastic bladder, can also be provided, which volume loses volume when the tank is filled with the substance and limits the possibility of movement of the substance in the tank.
The tank is preferably connected via a flexible hose and a pump with a fixed reservoir. The connection via the flexible hose, the tank can easily with the mass balance move, without the need for the connection to the reservoir must be solved.

Die Erfindung umfasst auch ein Verfahren zum Anpassen der Masse des Massenausgleichs in einer Presse oder eines Stanzautomaten gemäß einem der Ansprüche 1 bis 5. Die Masse des Massenausgleichs wird während eines Werkzeugwechsels durch Änderung der Stoffmenge im Massenausgleich angepasst.The invention also encompasses a method of adjusting the mass balancing mass in a press or a stamping press according to any one of claims 1 to 5. The mass balancing mass is adjusted during a tool change by changing the mass balancing mass.

Dabei ist es günstig, wenn die in die Teilbereiche bzw. in die Tanks gefüllte und die daraus entnommene Stoffmenge gemessen wird, sodass dadurch die aktuelle Masse des Massenausgleichs ermittelt werden kann.It is advantageous if the filled into the subregions or in the tanks and the amount of substance taken therefrom is measured, so that thereby the current mass of the mass balance can be determined.

Die Teilbereiche bzw. Tanks können jeweils mit Überlaufventilen ausgestattet sein. Für eine Massenanpassung des Massenausgleichs werden dann entsprechende Teilbereiche oder Tanks solange befüllt, bis der Stoff aus dem Überlauf des jeweiligen Teilbereichs / Tanks austritt.
Durch das vollständige Befüllen einzelner Teilbereiche/Tanks wird zwar nur noch eine diskrete Masseneinstellung möglich, dafür wird aber die Messung der Stoffmenge weniger wichtig, wenn nicht sogar überflüssig, und ein Bewegen des Stoffs im Tank verhindert.The sections or tanks can each be equipped with overflow valves. For a mass adjustment of the mass balance then appropriate sub-areas or tanks are filled until the substance exits from the overflow of the respective sub-area / tank.
Complete filling of individual sections / tanks only allows a discrete mass adjustment, but measuring the amount of substance becomes less important, if not superfluous, and prevents it from moving in the tank.

Es ist auch denkbar, dass an bestehenden Maschinen nachträglich ein Tank am oszillierenden Massenausgleich befestigt wird, sodass auch bei diesen Maschinen die einfache Massenanpassung bei einem Werkzeugwechsel möglich wird.It is also conceivable that a tank is attached to existing machines later on the oscillating mass balance, so that even with these machines, the simple mass adjustment in a tool change is possible.

Im Folgenden wird ein Ausführungsbeispiel der Erfindung anhand einer Zeichnung beschrieben.In the following an embodiment of the invention will be described with reference to a drawing.

Figur 1 zeigt einen Stanzautomaten 1 mit einem Antrieb 7, der über eine Kupplungs-Bremskombination 6 und eine Schwungmasse 5 eine Exzenterwelle 4 antreibt. Die Exzenterwelle 4 treibt über die Pleuel 3 den Stößel 2 oszillierend an. Am unteren Stößelende ist ein Stanzwerkzeug 15 befestigt.
Die Exzenterwelle 4 treibt hier auch über ein weiteres Pleuel 8 den Massenausgleich 9 oszillierend an, und zwar so, dass sich der Massenausgleich 9 in entgegengesetzter Richtung zum Stößel 2 bewegt.
Am Massenausgleich 9 ist ein Tank 10 befestigt, der hier über einen flexiblen Schlauch 16 mit Hilfe einer Pumpe 12 mit Öl befüllt werden kann. Das Öl wird aus einem Vorratsbehälter 13 entnommen. FIG. 1 shows a stamping machine 1 with a drive 7, which drives a eccentric shaft 4 via a clutch-brake combination 6 and a flywheel 5. The eccentric shaft 4 drives the plunger 2 via the connecting rod 3 in an oscillating manner. At the lower ram end a punching tool 15 is attached.
The eccentric shaft 4 also drives the mass balance 9 in an oscillating manner via another connecting rod 8, in such a way that the mass balance 9 moves in the opposite direction to the plunger 2.
At the mass balance 9, a tank 10 is attached, which can be filled here via a flexible hose 16 by means of a pump 12 with oil. The oil is removed from a reservoir 13.

Der Tank 10 ist Bestandteil des Massenausgleichs 9 und über Spannbänder 11 am restlichen Massenausgleich 9 befestigt. Alternativ kann der Tank 10 auch über Gummiauflagen zur Schwingungsdämpfung mit dem restlichen Massenausgleich 9 verbunden, z.B. verschraubt, sein. Der Tank 10 gemäß Fig. 1 besteht aus mehreren Teilbereichen, wobei hier der Schnitt genau durch einen Teilbereich geht. Im Teilbereich befinden sich Schwallbleche 14, durch die die Flüssigkeitsbewegung beruhigt wird.The tank 10 is part of the mass balance 9 and secured by tension bands 11 on the rest of mass balance 9. Alternatively, the tank 10 can also be connected via rubber pads for vibration damping with the remaining mass balance 9, for example, screwed. The tank 10 according to Fig. 1 consists of several sections, where the section is exactly through a section. In the sub-area are baffles 14, through which the liquid movement is calmed.

Wenn nun das Stanzwerkzeug 15 gewechselt wird, beispielsweise zur Bearbeitung eines anderen Produktes, dann wird gleichzeitig die Masse des Massenausgleichs 9 durch die Änderung der Ölmenge im Tank 10 angepasst.Now, if the punching tool 15 is changed, for example, for processing another product, then the mass of the mass balance 9 is adjusted by changing the amount of oil in the tank 10 at the same time.

Die in der Zeichnung dargestellte Ausführungsform stellt lediglich eine bevorzugte Ausführung der Erfindung dar. Die Erfindung umfasst auch andere Ausführungsformen, bei denen der Tank 10 mit einem Feststoff befüllt wird. Der Feststoff kann dann mit Hilfe von Druckluft in den Tank 10 geblasen werden bzw. für eine Entleerung abgesaugt werden.The embodiment shown in the drawing represents only a preferred embodiment of the invention. The invention also includes other embodiments in which the tank 10 is filled with a solid. The solid can then be blown by means of compressed air into the tank 10 or sucked for emptying.

Claims (8)

Presse oder Stanzautomat (1) mit einem Antrieb (7) über den ein Stößel (2) oszillierend antreibbar ist und mit einem oszillierenden Massenausgleich (9) zum Ausgleich von Massenkräften, der ebenfalls über den Antrieb (7) oszillierend in entgegengesetzter Richtung zum Stößel (2) antreibbar ist, wobei der Massenausgleich (9) einen Tank (10) aufweist, der mit einem Stoff befüllbar ist, dadurch gekennzeichnet, dass der Tank (10) in einzelne voneinander abgetrennte Bereiche unterteilt ist bzw. dass mehrere Tanks vorhanden sind.Press or punching machine (1) with a drive (7) via which a plunger (2) is driven to oscillate and with an oscillating mass balance (9) to compensate for inertial forces, also via the drive (7) oscillating in the opposite direction to the plunger ( 2), wherein the mass balance (9) has a tank (10) which can be filled with a substance, characterized in that the tank (10) is subdivided into individual separated areas or that several tanks are present. Presse oder Stanzautomat nach Anspruch 1, dadurch gekennzeichnet, dass der Stoff Öl oder Wasser ist.Press or punching machine according to claim 1, characterized in that the substance is oil or water. Presse oder Stanzautomat nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass in den abgetrennten Bereichen bzw. in den mehreren Tanks (10) Schwallbleche (14) angeordnet sind.Press or punching machine according to one of claims 1 to 2, characterized in that in the separated areas or in the plurality of tanks (10) baffles (14) are arranged. Presse oder Stanzautomat nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Tank (10) über einen flexiblen Schlauch (16) und eine Pumpe (12) mit einem Vorratsbehälter (13) verbunden ist.Press or punching machine according to one of claims 1 to 3, characterized in that the tank (10) via a flexible hose (16) and a pump (12) with a reservoir (13) is connected. Presse oder Stanzautomat nach Anspruch 1, dadurch gekennzeichnet, dass der Stoff ein Feststoff ist.Press or punching machine according to claim 1, characterized in that the substance is a solid. Verfahren zum Anpassen der Masse des Massenausgleichs (9) in einer Presse oder in einem Stanzautomaten (1) nach einem der Ansprüche 1 bis 5, wobei bei einer durch einen Werkzeugwechsel am Stößel (2) bedingten Massenänderung des Stößels (2) die Masse des Massenausgleichs (9) durch Änderung der Stoffmenge im Tank (10) des Massenausgleichs (9) angepasst wird, dadurch gekennzeichnet, dass die Anpassung der Masse während des Werkzeugwechsels erfolgt.Method for adjusting the mass of the mass balance (9) in a press or in a stamping press (1) according to one of claims 1 to 5, wherein at a change in the mass of the plunger (2) caused by a tool change Tappet (2) the mass of the mass balance (9) by changing the amount of material in the tank (10) of the mass balance (9) is adjusted, characterized in that the adaptation of the mass during the tool change takes place. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass die Anpassung der Masse automatisch erfolgt.A method according to claim 6, characterized in that the adaptation of the mass takes place automatically. Verfahren nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die in den Tank (10) gefüllte und die aus dem Tank (10) entnommene Stoffmenge gemessen wird, sodass dadurch die aktuelle Masse des Massenausgleichs ermittelbar ist.A method according to claim 6 or 7, characterized in that in the tank (10) filled and from the tank (10) removed amount of substance is measured, so that thereby the current mass of the mass balance can be determined.
EP16176393.3A 2015-07-06 2016-06-27 Press with variable mass balancing and method of adjusting this balancing mass Active EP3117988B1 (en)

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ATA50584/2015A AT517406B1 (en) 2015-07-06 2015-07-06 PRESS WITH VARIABLE BALANCING

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EP3117988B1 EP3117988B1 (en) 2020-08-19

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Publication number Priority date Publication date Assignee Title
CN111054803A (en) * 2019-12-09 2020-04-24 衢州德迈柯精密机械有限公司 Main spindle box of punching machine
CN111531936A (en) * 2020-04-26 2020-08-14 邱沛铧 Rolling hammering device for towel gourd

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JPS6138800A (en) * 1984-07-31 1986-02-24 Fukui Kikai Kk Variable balancing device corresponding to upper press die
EP1177885A1 (en) * 2000-08-01 2002-02-06 Haulick + Roos GmbH Automatic pressing or punching machine
EP1177886A1 (en) * 2000-08-01 2002-02-06 Haulick + Roos GmbH Automatic pressing or punching machine
DE10241106A1 (en) * 2001-09-11 2003-04-03 Yamada Dobby Bisai Kk Press has secondary movement converter arranged at frame to reciprocatingly move balanced weight contrary to slide
JP2008200742A (en) * 2007-02-22 2008-09-04 Yamada Dobby Co Ltd Variable weight type dynamic balancer for press

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CN111054803A (en) * 2019-12-09 2020-04-24 衢州德迈柯精密机械有限公司 Main spindle box of punching machine
CN111531936A (en) * 2020-04-26 2020-08-14 邱沛铧 Rolling hammering device for towel gourd

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EP3117988B1 (en) 2020-08-19
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AT517406B1 (en) 2019-12-15

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