EP3663079A1 - Precision cutting press - Google Patents
Precision cutting press Download PDFInfo
- Publication number
- EP3663079A1 EP3663079A1 EP19197970.7A EP19197970A EP3663079A1 EP 3663079 A1 EP3663079 A1 EP 3663079A1 EP 19197970 A EP19197970 A EP 19197970A EP 3663079 A1 EP3663079 A1 EP 3663079A1
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- European Patent Office
- Prior art keywords
- plane
- press
- fineblanking
- counter
- press according
- 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.)
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- 230000033001 locomotion Effects 0.000 claims abstract description 33
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- 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
- B30B1/18—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 screw means
- B30B1/181—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 screw means the screw being directly driven by an electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
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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
- B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
Definitions
- the invention relates to a fineblanking press according to the preamble of the first claim.
- a fineblanking press is known EP 3 184 291 A1 , which has a fixed press table, there called "upper crosshead", with an upper tool, a counter-moving plane that is movable against it and a cutting plane that can be moved separately therebetween with a lower tool arranged opposite the upper tool and an annular serrated plane that is separately movable on the side of the upper crosshead opposite the upper tool , where these different levels are equipped with hydraulic piston-cylinder units as motion drives.
- a disadvantage of such a known fineblanking press with hydraulic drives is, in particular, that these hydraulic drives are known as "soft systems" in the press world, since pipes and hoses of the hydraulic power transmission are compressible, with extreme force fluctuations occurring in a very short time, especially when cutting steel .
- such hydraulic drives are only of limited suitability in terms of positionability and reproducibility.
- the hydraulic drives are considered to be unfavorable energy consumers, just as the hydraulic oil experiences temperature-dependent volume changes and also ages and thus requires a high level of maintenance for the fineblanking press equipped with the hydraulics.
- a disadvantage of this known and also of other hydraulic fineblanking presses is that the counterforce is supported on the cutting plane. This reduces the cutting force by the counterforce.
- the object of the invention is to provide a fineblanking press, the opening movement of the tool of which can be made generously large, the ergonomics of the fineblanking press should be improved, as well as its economy in construction and operation.
- Another important task, however, is to meet extremely high accuracy requirements, which cannot be achieved with the known hydraulic drives.
- the fineblanking press is designed as a triple-acting spindle press and at least some or all of the movement drives of the levels consist of electric servomotors.
- the hydraulic fluid and thus the associated environmental and safety problems are eliminated.
- the position and speed control is also due
- the high rigidity of such spindle drives is significantly easier than with hydraulic drive systems.
- the counterforce is no longer supported on the cutting plane, the cutting force is also no longer disadvantageously reduced.
- the opening path of a tool can be made as large as desired by designing the spindles as long as desired, which enables the machine operator to open a tool widely in the press, e.g. To be able to do maintenance work without having to remove the tool.
- the lifting spindles of the fineblanking press are equipped with spindle nuts which are designed as planetary roller screw drives, which are particularly suitable for linear drives of high loads, with such a planetary roller screw drive still having the advantageous possibility of realizing very small thread increases, so that With the fineblanking press equipped with it, any required accuracy requirement can be repeated as often as required.
- the electrical servomotors designed as movement drives of the counter-holding plane are arranged on the side of the press table opposite the counter-holding plane and the lifting spindles extend through the press table into the counter-holding plane and also the electrical servomotors designed as movement drives of the cutting plane on the opposite side of the cutting plane Press table are arranged and the lifting spindles extend through the press table to the cutting plane and also the electric servomotors designed as movement drives of the ring-serrated plane are arranged above a portal on the side of the press table opposite the counter plane and the lifting spindles are arranged through the portal and extend the ring serrated level and are rotatably supported in the press table, the space available under the counter holding level allows the height of the tool space to be lowered so that the tool space can be arranged at an ergonomic height for the operating personnel of the fineblanking press.
- Feed / retraction devices are arranged on the cutting plane and are moved vertically together with the latter.
- the cutting press is constructed on guide columns which stand on a press base with press feet, the guide columns supporting the press table and thereby extending through the counter plane, the cutting plane and also through the ring-serrated plane, which is on the other planes opposite side of the press table is arranged.
- This type of construction without a solid press frame allows a high degree of flexibility in the design of the fineblanking press, as does a great stability of the overall construction.
- the fineblanking press has four such guide columns, each of which is arranged in the corner regions of a base area that is rectangular in a plan view, the guide columns being provided laterally spaced from the tools.
- the counter-holding plane and the cutting plane are arranged below the press table and the ring-serrated plane above the press table, so that the first part tool forms an upper tool and the second part tool forms a lower tool.
- a reverse arrangement of the levels would also be conceivable, in which case the advantage of an ergonomically accessible tool space would possibly suffer slightly.
- the ring serrated plane is driven by four movement drives via four lifting spindles, each of which is arranged in the corner regions of a rectangular base surface in plan view, which is formed within the base surface of the guide columns, the continuation of their imaginary spindle axes of rotation laterally outside the tools run. This effectively prevents tilting of the plane when the tool is attacked off-center.
- the counter-holding plane is also preferably driven by four movement drives via four lifting spindles, each of which is arranged in the corner regions of a base area which is rectangular in plan view and which is formed outside the base area of the guide column.
- the cutting plane is also driven by four motion drives via four lifting spindles, these lifting spindles also being arranged in the corner regions of a base area which is rectangular in plan view.
- Another advantage of the inventive fineblanking press is that the size of the opening spacing of the two sub-tools can be freely selected by selecting the dimension of the length of the guide columns, the lifting spindles, the counter plane and the cutting plane, without having to take into account the requirements of a hydraulic system .
- the fineblanking press preferably has a machine control, which is designed as a PC control, so that all production parameters and monitoring values of the fineblanking press can be made available to higher-level systems, such as machine or operating data acquisition, which significantly improves the economy of the fineblanking press and its environment .
- the counter-holding forces from the counter-holding plane, the cutting forces from the cutting plane and the ring-toothed forces from the ring-toothed plane are supported independently of one another on the fixed press table of the fineblanking press, which means that opposing forces act in the fineblanking press cannot influence each other negatively, as is the case, for example, with known hydraulic fineblanking presses of the prior art, in which, for example, the cutting forces are reduced by the counterforce.
- the fineblanking press 1 consists of four guide columns 15, which stand on a press base 16 with press feet 17 on the floor.
- a press table 2 is fixed on the guide columns 15 and an upper first part tool 3 directed downward is arranged.
- a cutting plane 5 is provided below the press table 2, with a lower second sub-tool 6 pointing upwards.
- the counter-holding plane 4 is arranged, which is driven by four lifting spindles 12 arranged in a rectangle, each with its own movement drives 9.
- Feed / retraction devices 14 are mounted on the side of the cutting plane 5.
- a portal 20 is arranged in the middle above the sub-tools 3; 6, on which four movement drives 10 of lifting spindles 13 arranged in a square for moving the ring-toothed plane 7 are arranged, so that all movement drives 8; 9; 10 of the levels 4; 5; 7 above the Press table 2 are arranged.
- the top of the cutting plane 5 has a height of only about 110 cm, so that a press operator, as in FIGS 3, 4 is shown, has an ergonomic access to the sub-tools 3; 6.
- the motion drives 8; 9; 10 of the fineblanking press 1 are all designed as electrical servomotors and have lifting spindles with spindle nuts which are designed as planetary roller screw drives.
- the electric servomotors of the movement drives 9 of the counter-holding plane 4 are arranged on the side of the press table 2 opposite the counter-holding plane 4, the lifting spindles 12 extending through the press table 2 and the cutting plane 5 into the counter-holding plane 4.
- the electric servomotors of the motion drives 8 of the cutting plane 5 are also arranged on the side of the press table 2 opposite the cutting plane 5, the lifting spindles 11 extending through the press table 2 through the cutting plane 5.
- the electric servomotors of the movement drives 10 of the ring-toothed plane 7 are also arranged above a portal 20 on the side of the press table 2 opposite the counter-holding plane 4, their lifting spindles 13 extending through the portal 20 and the ring-toothed plane 7 and being rotatably supported in the press table 2.
- the four guide columns 15 of the fineblanking press 1 extend through the counter-holding plane 4, the cutting plane 5 and the ring-serrated plane 7, the guide columns 15 each being arranged in a corner area in plan view in a corner area and laterally spaced from the tools 3; 6, like this in Fig. 2 is shown.
- the ring-serrated plane 7, like the counter-holding plane 4, is also driven by four motion drives 10 and 9 via four lifting spindles 13 and 12, which are each arranged in the corner regions of the base area of the guide columns 15 or outside the base area of the guide columns 15.
- the four lifting spindles 11 of the cutting plane 5 are driven by four movement drives 8, which in turn are arranged in the corner areas of a base area which is rectangular in plan view.
Abstract
Es wird eine Feinschneidpresse (1) mit einem feststehenden Pressentisch (2) mit einem ersten Teilwerkzeug (3), einer dagegen bewegliche Gegenhalteebene (4) und einer dazwischen separat beweglichen Schneidebene (5) mit einem dem ersten Teilwerkzeug (3) gegenüberliegenden zweiten Teilwerkzeug (6), einer auf der dem ersten Teilwerkzeug (3) entgegengesetzten Seite des Pressentisches (2) separat beweglichen Ringzackenebene (7) sowie mit Bewegungsantrieben (8;9;10) für diese Ebenen (5;4;7) zur Verfügung gestellt, deren Öffnungsbewegung des Werkzeuges bei Verbesserung ihrer Ergonomie groß gestaltet ist, ebenso wie die Wirtschaftlichkeit der Konstruktion und im Betrieb und die vor allen Dingen extrem hohe Genauigkeitsanforderungen erfüllt, was dadurch erzielt wird, dass die Feinschneidpresse (1) als dreifach wirkende Spindelpresse ausgebildet ist und zumindest einige oder alle Bewegungsantriebe (8;9;10) der Ebenen (5;4;7) aus elektrischen Servomotoren bestehen.A fineblanking press (1) with a stationary press table (2) with a first part tool (3), a counter-plane (4) movable against it and a cutting plane (5) separately movable between them with a second part tool (3) opposite the first part tool (3). 6), on the side of the press table (2) opposite the first part tool (3) separately movable ring serrated plane (7) as well as with motion drives (8; 9; 10) for these planes (5; 4; 7) The opening movement of the tool is designed to be large while improving its ergonomics, as is the cost-effectiveness of the construction and operation and, above all, it fulfills extremely high accuracy requirements, which is achieved in that the fineblanking press (1) is designed as a triple-acting spindle press and at least some or all motion drives (8; 9; 10) of the levels (5; 4; 7) consist of electric servomotors.
Description
Die Erfindung betrifft eine Feinschneidpresse gemäß dem Oberbegriff des ersten Patentanspruches.The invention relates to a fineblanking press according to the preamble of the first claim.
Es ist eine Feinschneidpresse bekannt,
Nachteilig an einer solchen bekannten Feinschneidpresse mit hydraulischen Antrieben ist insbesondere, dass diese hydraulischen Antriebe in der Pressenwelt als sog. "weiche Systeme" gelten, da Rohre und Schläuche der hydraulischen Kraftübertragung kompressibel sind, wobei gerade beim Schneiden von Stahl innerhalb kürzester Zeit extreme Kraftschwankungen auftreten. Um jedoch den teilweise extremen Genauigkeitsanforderungen zu genügen, sind deswegen solche hydraulische Antriebe was die Positionierbarkeit und die Reproduzierbarkeit angeht, nur bedingt tauglich. Zudem gelten die hydraulischen Antriebe als ungünstige Energieverbraucher, ebenso wie das Hydrauliköl temperaturabhängige Volumenänderungen erfährt und zudem altert und somit einen hohen Wartungsaufwand der mit der Hydraulik ausgestatteten Feinschneidpresse erfordert.A disadvantage of such a known fineblanking press with hydraulic drives is, in particular, that these hydraulic drives are known as "soft systems" in the press world, since pipes and hoses of the hydraulic power transmission are compressible, with extreme force fluctuations occurring in a very short time, especially when cutting steel . However, in order to meet the sometimes extreme requirements for accuracy, such hydraulic drives are only of limited suitability in terms of positionability and reproducibility. In addition, the hydraulic drives are considered to be unfavorable energy consumers, just as the hydraulic oil experiences temperature-dependent volume changes and also ages and thus requires a high level of maintenance for the fineblanking press equipped with the hydraulics.
Nachteilig an dieser bekannten und auch an anderen hydraulischen Feinschneidpressen ist, dass sich die Gegenhaltekraft an der Schneidebene abstützt. Dadurch reduziert sich die Schneidkraft um die Gegenhaltekraft.A disadvantage of this known and also of other hydraulic fineblanking presses is that the counterforce is supported on the cutting plane. This reduces the cutting force by the counterforce.
Ein weiterer Nachteil dieser bekannten Feinschneidpresse ist, dass sie sich durch einen nur sehr kleinen Werkzeugraum auszeichnet, wobei dies der Tatsache geschuldet ist, dass der Kraftangriff bei den hydraulischen Antriebssystemen immer mittig ist. Will man jedoch längere Pressentische realisieren, damit auch längere Werkzeuge in einer Feinschneidpresse Platz finden, kann daraus resultieren, dass weit außermittige Kräfte relativ zur Pressenmitte angreifen, was die bekannten Feinschneidpressen vor große Probleme stellt, da die dabei entstehenden großen Momente dann im Maschinenständer abgefangen werden müssen. Ein weiterer Nachteil solcher nach dem Stand der Technik bekannten Feinschneidpressen ist, dass sie nur kurze Wege für die einzelnen Bewegungsebenen aufweisen, ebenso wie es nachteilig ist, dass die Höhe des Werkzeugraumes für das Oberwerkzeug und das Unterwerkzeug relativ hoch über der Aufstellfläche einer Feinschneidpresse angeordnet ist, was der Ergonomie einer solchen Presse entgegenwirkt.Another disadvantage of this known fineblanking press is that it is characterized by only a very small tool space, this being due to the fact that the force application in the hydraulic drive systems is always centered. However, if you want to build longer press tables so that longer tools can be accommodated in a fineblanking press, this can result in far eccentric forces acting relative to the center of the press, which poses great problems for the known fineblanking presses, since the resulting large moments are then absorbed in the machine stand have to. Another disadvantage of such fineblanking presses known from the prior art is that they only have short distances for the individual movement planes, just as it is disadvantageous that the height of the tool space for the upper die and the lower die is arranged relatively high above the footprint of a fineblanking press , which counteracts the ergonomics of such a press.
Aufgabe der Erfindung ist es, eine Feinschneidpresse zur Verfügung zu stellen, deren Öffnungsbewegung des Werkzeuges üppig groß gestaltet werden kann, wobei die Ergonomie der Feinschneidpresse verbessert sein soll, ebenso wie deren Wirtschaftlichkeit bei der Konstruktion und im Betrieb. Eine weitere wesentliche Aufgabe besteht jedoch in der Erfüllung auch extrem hoher Genauigkeitsanforderungen, welche mit den bekannten hydraulischen Antrieben nicht erzielbar sind.The object of the invention is to provide a fineblanking press, the opening movement of the tool of which can be made generously large, the ergonomics of the fineblanking press should be improved, as well as its economy in construction and operation. Another important task, however, is to meet extremely high accuracy requirements, which cannot be achieved with the known hydraulic drives.
Die Lösung dieser Aufgabe ergibt sich in Verbindung mit den Merkmalen des Oberbegriffes des Hauptanspruches dadurch, dass die Feinschneidpresse als dreifachwirkende Spindelpresse ausgebildet ist und zumindest einige oder alle Bewegungsantriebe der Ebenen aus elektrischen Servomotoren bestehen. Im Vergleich zur hydraulisch betriebenen Feinschneidpressen entfällt also zunächst die Hydraulikflüssigkeit und damit auch die verbundenen Umwelt- und Sicherheitsprobleme. Auch die Positions- und Geschwindigkeitsregelung ist aufgrund der hohen Steifigkeit solcher Spindelantriebe deutlich einfacher als bei hydraulischen Antriebssystemen. Weiterhin wird dadurch, dass sich die Gegenkraft nicht mehr an der Schneidebene abstützt, die Schneidkraft auch nicht mehr nachteilig reduziert.This object is achieved in connection with the features of the preamble of the main claim in that the fineblanking press is designed as a triple-acting spindle press and at least some or all of the movement drives of the levels consist of electric servomotors. In comparison to the hydraulically operated fineblanking presses, the hydraulic fluid and thus the associated environmental and safety problems are eliminated. The position and speed control is also due The high rigidity of such spindle drives is significantly easier than with hydraulic drive systems. Furthermore, because the counterforce is no longer supported on the cutting plane, the cutting force is also no longer disadvantageously reduced.
Vorteilhaft ist des Weiteren, dass durch eine beliebig lange Gestaltung der Spindeln der Öffnungsweg eines Werkzeuges so groß gestaltet werden kann wie gewünscht, was den Maschinenbediener in die Lage versetzt, ein Werkzeug in der Presse weit zu öffnen, um z.B. Wartungsarbeiten erledigen zu können, ohne das Werkzeug dazu ausbauen zu müssen.It is also advantageous that the opening path of a tool can be made as large as desired by designing the spindles as long as desired, which enables the machine operator to open a tool widely in the press, e.g. To be able to do maintenance work without having to remove the tool.
Weitere vorteilhafte Ausgestaltungen des Gegenstandes der Erfindung ergeben sich mit und in Kombination aus den nachfolgenden Unteransprüchen.Further advantageous embodiments of the subject matter of the invention result with and in combination from the following subclaims.
Entsprechend einer besonders bevorzugten Ausführungsform der Erfindung sind die Hubspindeln der Feinschneidpresse mit Spindelmuttern ausgestattet, die als Planetenrollengewindetriebe ausgebildet sind, welche sich insbesondere für lineartechnische Antriebe hoher Lasten eignen, wobei bei einem solchen Planetenrollengewindetrieb weiterhin die vorteilhafte Möglichkeit besteht, sehr kleine Gewindesteigerungen zu realisieren, sodass mit der damit ausgestatteten Feinschneidpresse jede geforderte Genauigkeitsanforderung beliebig oft wiederholgenau erfüllt werden kann.According to a particularly preferred embodiment of the invention, the lifting spindles of the fineblanking press are equipped with spindle nuts which are designed as planetary roller screw drives, which are particularly suitable for linear drives of high loads, with such a planetary roller screw drive still having the advantageous possibility of realizing very small thread increases, so that With the fineblanking press equipped with it, any required accuracy requirement can be repeated as often as required.
Dadurch, dass die als Bewegungsantriebe der Gegenhalteebene ausgebildeten elektrischen Servomotoren auf der der Gegenhalteebene entgegengesetzten Seite des Pressentischen angeordnet sind und sich die Hubspindeln durch den Pressentisch bis in die Gegenhalteebene erstrecken und auch die als Bewegungsantriebe der Schneidebene ausgebildeten elektrischen Servomotoren auf der der Schneidebene entgegengesetzten Seite des Pressentisches angeordnet sind und sich die Hubspindeln durch den Pressentisch bis zur Schneidebene erstrecken und auch die als Bewegungsantriebe der Ringzackenebene ausgebildeten elektrischen Servomotoren über einem Portal auf der der Gegenhalteebene entgegengesetzten Seite des Pressentisches angeordnet sind und sich die deren Hubspindeln durch das Portal und die Ringzackenebene erstrecken und in dem Pressentisch drehgelagert sind, ergibt sich durch den unter der Gegenhalteebene frei bleibenden Bauraum die Möglichkeit, die Höhe des Werkzeugraumes abzusenken, sodass der Werkzeugraum in einer ergonomischen Höhe für das Bedienpersonal der Feinschneidpresse angeordnet werden kann.Characterized in that the electrical servomotors designed as movement drives of the counter-holding plane are arranged on the side of the press table opposite the counter-holding plane and the lifting spindles extend through the press table into the counter-holding plane and also the electrical servomotors designed as movement drives of the cutting plane on the opposite side of the cutting plane Press table are arranged and the lifting spindles extend through the press table to the cutting plane and also the electric servomotors designed as movement drives of the ring-serrated plane are arranged above a portal on the side of the press table opposite the counter plane and the lifting spindles are arranged through the portal and extend the ring serrated level and are rotatably supported in the press table, the space available under the counter holding level allows the height of the tool space to be lowered so that the tool space can be arranged at an ergonomic height for the operating personnel of the fineblanking press.
An der Schneidebene sind dabei Vorschub-/Rückzugsgeräte angeordnet, die zusammen mit dieser vertikal verfahren werden.Feed / retraction devices are arranged on the cutting plane and are moved vertically together with the latter.
Entsprechend einer besonders bevorzugten Ausführungsform der Erfindung ist die Schneidpresse auf Führungssäulen aufgebaut, die auf einer Pressenbasis mit Pressenfüßen aufstehen, wobei die Führungssäulen den Pressentisch tragen und sich dabei durch die Gegenhalteebene, die Schneidebene und auch durch die Ringzackenebene erstrecken, die auf der den anderen Ebenen entgegengesetzten Seite des Pressentisches angeordnet ist. Diese Konstruktionsweise ohne einen massiven Pressenrahmen, erlaubt eine hohe Flexibilität in der Ausgestaltung der Feinschneidpresse, ebenso wie dadurch eine große Stabilität der Gesamtkonstruktion erreicht wird.According to a particularly preferred embodiment of the invention, the cutting press is constructed on guide columns which stand on a press base with press feet, the guide columns supporting the press table and thereby extending through the counter plane, the cutting plane and also through the ring-serrated plane, which is on the other planes opposite side of the press table is arranged. This type of construction without a solid press frame allows a high degree of flexibility in the design of the fineblanking press, as does a great stability of the overall construction.
Vorteilhafterweise weist die Feinschneidpresse dabei vier solcher Führungssäulen auf, die jeweils in den Eckbereichen einer in einer Draufsicht rechteckigen Grundfläche angeordnet sind, wobei die Führungssäulen seitlich beabstandet von den Werkzeugen verlaufend vorgesehen sind.Advantageously, the fineblanking press has four such guide columns, each of which is arranged in the corner regions of a base area that is rectangular in a plan view, the guide columns being provided laterally spaced from the tools.
Bei einer bevorzugten Ausgestaltung des Gegenstandes der Erfindung ist die Gegenhalteebene und die Schneidebene unterhalb des Pressentisches angeordnet und die Ringzackenebene oberhalb des Pressentisches, sodass das erste Teilwerkzeug ein oberes Werkzeug bildet und das zweite Teilwerkzeug ein unteres Werkzeug. Eine umgekehrte Anordnung der Ebenen wäre ebenfalls denkbar, wobei dann der Vorteil eines ergonomisch zugänglichen Werkzeugraumes möglicherweise geringfügig leiden würde.In a preferred embodiment of the object of the invention, the counter-holding plane and the cutting plane are arranged below the press table and the ring-serrated plane above the press table, so that the first part tool forms an upper tool and the second part tool forms a lower tool. A reverse arrangement of the levels would also be conceivable, in which case the advantage of an ergonomically accessible tool space would possibly suffer slightly.
Bei einer vorteilhaften Ausgestaltung der erfinderischen Feinschneidpresse wird die Ringzackenebene von vier Bewegungsantrieben über vier Hubspindeln angetrieben, die jeweils in den Eckbereichen einer in Draufsicht rechteckigen Grundfläche angeordnet sind, die innerhalb der Grundfläche der Führungssäulen ausgebildet ist, wobei die Fortsetzung ihre gedachten Spindeldrehachsen seitlich außerhalb der Werkzeuge verlaufen. Hierdurch wird ein Verkanten der Ebene bei außermittigem Werkzeugangriff wirkungsvoll vermieden.In an advantageous embodiment of the inventive fineblanking press, the ring serrated plane is driven by four movement drives via four lifting spindles, each of which is arranged in the corner regions of a rectangular base surface in plan view, which is formed within the base surface of the guide columns, the continuation of their imaginary spindle axes of rotation laterally outside the tools run. This effectively prevents tilting of the plane when the tool is attacked off-center.
Bevorzugterweise wird auch die Gegenhalteebene von vier Bewegungsantrieben über vier Hubspindeln angetrieben, die jeweils in den Eckbereichen einer in Draufsicht rechteckigen Grundfläche angeordnet sind, die außerhalb der Grundfläche der Führungssäule ausgebildet ist. Auch die Schneidebene wird von vier Bewegungsantrieben über vier Hubspindeln angetrieben, wobei auch diese Hubspindeln in den Eckbereichen einer in Draufsicht rechteckigen Grundfläche angeordnet sind.The counter-holding plane is also preferably driven by four movement drives via four lifting spindles, each of which is arranged in the corner regions of a base area which is rectangular in plan view and which is formed outside the base area of the guide column. The cutting plane is also driven by four motion drives via four lifting spindles, these lifting spindles also being arranged in the corner regions of a base area which is rectangular in plan view.
Vorteilhaft an der erfinderischen Feinschneidpresse ist des Weiteren, dass das Größenmaß des Öffnungsabstandes der beiden Teilwerkzeuge durch eine Auswahl des Maßes der Länge der Führungssäulen, der Hubspindeln, der Gegenhalteebene und der Schneideebene frei auswählbar ist, ohne dass hierbei Rücksicht auf Anforderungen einer Hydraulikanlage genommen werden muss.Another advantage of the inventive fineblanking press is that the size of the opening spacing of the two sub-tools can be freely selected by selecting the dimension of the length of the guide columns, the lifting spindles, the counter plane and the cutting plane, without having to take into account the requirements of a hydraulic system .
Bevorzugterweise weist die Feinschneidpresse dazu eine Maschinensteuerung auf, die als PC-Steuerung ausgebildet ist, sodass alle Produktionsparameter und Überwachungswerte der Feinschneidpresse übergeordneten Systemen, wie einer Maschinen- oder Betriebsdatenerfassung, zur Verfügung gestellt werden können, was die Wirtschaftlichkeit der Feinschneidpresse und Ihres Umfeldes wesentlich verbessert.For this purpose, the fineblanking press preferably has a machine control, which is designed as a PC control, so that all production parameters and monitoring values of the fineblanking press can be made available to higher-level systems, such as machine or operating data acquisition, which significantly improves the economy of the fineblanking press and its environment .
Ein weiterer sehr wesentlicher Vorteil dieser Feinschneidpresse ergibt sich dadurch, dass die Bewegungsebenen unabhängig voneinander sowohl kraftabhängig als auch wegabhängig steuerbar ausgebildet sind, sodass jeweils das für einen feinzuschneidenden Gegenstand optimale Fertigungsverfahren angewandt werden kann.Another very important advantage of this fineblanking press results from the fact that the movement planes are designed to be controllable independently of one another, both as a function of the force and as a function of the path, so that in each case the optimum manufacturing process can be used for an object to be finely cut.
Gemäß einer ganz besonders bevorzugten Ausführungsform des Gegenstandes der Erfindung stützen sich die Gegenhaltekräfte aus der Gegenhalteebene, die Schneidkräfte aus der Schneidebene und die Ringzackenkräfte aus der Ringzackenebene unabhängig voneinander am feststehenden Pressentisch der Feinschneidpresse ab, wodurch erreicht wird, dass sich in der Feinschneidpresse entgegengesetzt wirkende Kräfte nicht gegenseitig negativ beeinflussen können, wie dies etwa bei bekannten hydraulischen Feinschneidpressen des Standes der Technik der Fall ist, bei denen sich beispielsweise die Schneidkräfte um die Gegenhaltekräfte reduzieren.According to a very particularly preferred embodiment of the object of the invention, the counter-holding forces from the counter-holding plane, the cutting forces from the cutting plane and the ring-toothed forces from the ring-toothed plane are supported independently of one another on the fixed press table of the fineblanking press, which means that opposing forces act in the fineblanking press cannot influence each other negatively, as is the case, for example, with known hydraulic fineblanking presses of the prior art, in which, for example, the cutting forces are reduced by the counterforce.
Nachfolgend ist ein Ausführungsbeispiel der Erfindung anhand von Zeichnungen näher beschrieben. Es zeigen:
- Fig. 1
- eine geschnittene Ansicht einer Feinschneidpresse entlang Linie 1-1 der
Fig. 2 , - Fig. 2
- eine Draufsicht auf die Feinschneidpresse gemäß
Fig. 1 , - Fig. 3
- eine verkleinerte Ansicht der Feinschneidpresse gemäß
Fig. 1 , - Fig. 4
- eine Seitenansicht der Feinschneidpresse gemäß
Fig. 3 .
- Fig. 1
- a sectional view of a fineblanking press along line 1-1 of the
Fig. 2 , - Fig. 2
- a plan view of the fineblanking press according
Fig. 1 , - Fig. 3
- a reduced view of the fineblanking press according
Fig. 1 , - Fig. 4
- a side view of the fineblanking press
Fig. 3 .
Die Feinschneidpresse 1 besteht aus vier Führungssäulen 15, die auf einer Pressenbasis 16 mit Pressenfüßen 17 auf dem Boden aufstehen. An den Führungssäulen 15 ist ein Pressentisch 2 festgelegt sowie ein nach unten gerichtetes oberes erste Teilwerkzeug 3 angeordnet. Unterhalb des Pressentisches 2 ist eine Schneidebene 5 vorgesehen, mit einem nach oben gerichteten unteren zweiten Teilwerkzeug 6. Unterhalb der Schneidebene 5 ist die Gegenhalteebene 4 angeordnet, die über vier im Rechteck angeordnete Hubspindeln 12 über jeweils eigene Bewegungsantriebe 9 angetrieben ist.The
Seitlich der Schneidebene 5 sind Vorschub-/Rückzuggeräte 14 daran gelagert. Mittig oberhalb der Teilwerkzeuge 3;6 ist ein Portal 20 angeordnet, auf dem vier im Quadrat angeordnete Bewegungsantriebe 10 von Hubspindeln 13 zur Bewegung der Ringzackenebene 7 angeordnet sind, sodass insgesamt alle Bewegungsantriebe 8;9;10 der Ebenen 4;5;7 oberhalb des Pressentisches 2 angeordnet sind.Feed /
Die Oberseite der Schneidebene 5 weist im geöffneten Zustand der Feinschneidpresse 1 eine Höhe von nur etwa 110 cm auf, sodass ein Pressenbediener, wie in den
Die elektrischen Servomotoren der Bewegungsantriebe 9 der Gegenhalteebene 4 sind auf der der Gegenhalteebene 4 entgegengesetzten Seite des Pressentisches 2 angeordnet, wobei sich die Hubspindeln 12 durch den Pressentisch 2 und die Schneidebene 5 bis in die Gegenhalteebene 4 erstrecken. Die elektrischen Servomotoren der Bewegungsantriebe 8 der Schneidebene 5 sind ebenfalls auf der der Schneidebene 5 entgegengesetzten Seite des Pressentisches 2 angeordnet, wobei sich die Hubspindeln 11 durch den Pressentisch 2 durch die Schneidebene 5 hindurch erstrecken.The electric servomotors of the movement drives 9 of the counter-holding plane 4 are arranged on the side of the press table 2 opposite the counter-holding plane 4, the
Auch die elektrischen Servomotoren der Bewegungsantriebe 10 der Ringzackenebene 7 sind über einem Portal 20 auf der der Gegenhalteebene 4 entgegengesetzten Seite des Pressentisches 2 angeordnet, wobei sich deren Hubspindeln 13 durch das Portal 20 und die Ringzackenebene 7 erstrecken und in dem Pressentisch 2 drehgelagert sind.The electric servomotors of the movement drives 10 of the ring-
Die vier Führungssäulen 15 der Feinschneidpresse 1 erstrecken sich durch die Gegenhalteebene 4, die Schneidebene 5 und die Ringzackenebene 7, wobei die Führungssäulen 15 jeweils in den Eckbereichen in einer in Draufsicht rechteckigen Grundfläche angeordnet sind und seitlich beabstandet von den Werkzeugen 3;6 vorgesehen sind, wie dies in
Ebenfalls die vier Hubspindeln 11 der Schneidebene 5 werden von vier Bewegungsantrieben 8 angetrieben, die ihrerseits in den Eckbereichen einer in Draufsicht rechteckigen Grundfläche angeordnet sind.Likewise, the four lifting
Claims (16)
Applications Claiming Priority (1)
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DE102018131166.4A DE102018131166B4 (en) | 2018-12-06 | 2018-12-06 | Fine blanking press |
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EP3663079A1 true EP3663079A1 (en) | 2020-06-10 |
EP3663079B1 EP3663079B1 (en) | 2022-06-22 |
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EP19197970.7A Active EP3663079B1 (en) | 2018-12-06 | 2019-09-18 | Fine blanking press |
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EP (1) | EP3663079B1 (en) |
DE (1) | DE102018131166B4 (en) |
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DE102019125205B4 (en) * | 2019-09-19 | 2021-07-29 | Johannes Hülshorst | Screw press |
CN112935046B (en) * | 2021-01-25 | 2022-10-21 | 东北林业大学 | Servo electronic press based on planet roller lead screw |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050039510A1 (en) * | 2002-05-17 | 2005-02-24 | Shoji Futamura | Pressing machine |
US20070193331A1 (en) * | 2004-09-09 | 2007-08-23 | Shoji Futamura | Press device |
DE102009017624A1 (en) * | 2009-04-16 | 2010-10-28 | Horst Baltschun | Two-way operative deep drawing press, has drive downwardly pressing cross bar such that bar implements working stroke synchronously, short-stroke cylinders do not implement body stroke and working force is not reduced |
DE102009017626B3 (en) * | 2009-04-16 | 2010-12-16 | Horst Baltschun | Precision cutting press |
EP3184291A1 (en) | 2015-12-11 | 2017-06-28 | Schuler Pressen GmbH | Precision cutting press |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3029858B2 (en) * | 1990-11-06 | 2000-04-10 | 株式会社アマダ | Punch press |
DE102006025271B3 (en) * | 2006-05-31 | 2007-12-27 | Schuler Pressen Gmbh & Co. Kg | Drawing device with hydrostatic spindle bearing |
ITMI20120197A1 (en) * | 2012-02-14 | 2013-08-15 | Cesare Galdabini S P A | PRESS FOR PRINTING, AND IN PARTICULAR DRAWING, SHEETS |
DE102014003229B4 (en) * | 2014-03-06 | 2016-06-09 | Horst Baltschun | Energy-efficient preloaded compact press |
JP6164757B2 (en) * | 2015-12-24 | 2017-07-19 | 株式会社放電精密加工研究所 | Processed product and press working method |
-
2018
- 2018-12-06 DE DE102018131166.4A patent/DE102018131166B4/en not_active Expired - Fee Related
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2019
- 2019-09-18 EP EP19197970.7A patent/EP3663079B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050039510A1 (en) * | 2002-05-17 | 2005-02-24 | Shoji Futamura | Pressing machine |
US20070193331A1 (en) * | 2004-09-09 | 2007-08-23 | Shoji Futamura | Press device |
DE102009017624A1 (en) * | 2009-04-16 | 2010-10-28 | Horst Baltschun | Two-way operative deep drawing press, has drive downwardly pressing cross bar such that bar implements working stroke synchronously, short-stroke cylinders do not implement body stroke and working force is not reduced |
DE102009017626B3 (en) * | 2009-04-16 | 2010-12-16 | Horst Baltschun | Precision cutting press |
EP3184291A1 (en) | 2015-12-11 | 2017-06-28 | Schuler Pressen GmbH | Precision cutting press |
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DE102018131166B4 (en) | 2020-08-13 |
DE102018131166A1 (en) | 2020-06-10 |
EP3663079B1 (en) | 2022-06-22 |
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