EP0360875B1 - Forming machine, in particulier a mechanical press - Google Patents

Forming machine, in particulier a mechanical press Download PDF

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Publication number
EP0360875B1
EP0360875B1 EP88114346A EP88114346A EP0360875B1 EP 0360875 B1 EP0360875 B1 EP 0360875B1 EP 88114346 A EP88114346 A EP 88114346A EP 88114346 A EP88114346 A EP 88114346A EP 0360875 B1 EP0360875 B1 EP 0360875B1
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EP
European Patent Office
Prior art keywords
spherical
forming machine
machine
movement
guide
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
EP88114346A
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German (de)
French (fr)
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EP0360875A1 (en
Inventor
Franz Hillingrathner
Friedhelm Hoffmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grabener Pressensysteme & Co KG GmbH
Original Assignee
Grabener Pressensysteme & Co KG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Grabener Pressensysteme & Co KG GmbH filed Critical Grabener Pressensysteme & Co KG GmbH
Priority to ES88114346T priority Critical patent/ES2022966B3/en
Priority to AT88114346T priority patent/ATE63854T1/en
Priority to DE8888114346T priority patent/DE3863073D1/en
Priority to EP88114346A priority patent/EP0360875B1/en
Publication of EP0360875A1 publication Critical patent/EP0360875A1/en
Application granted granted Critical
Publication of EP0360875B1 publication Critical patent/EP0360875B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B30B15/04—Frames; Guides
    • B30B15/041—Guides

Definitions

  • the invention relates to a forming machine, in particular a mechanical press, with two machine parts which can be moved in a straight line relative to one another, the one machine part being guided on planar guide surfaces of the other machine part with planar guide surfaces running parallel and perpendicular to one another on counter guide surfaces having counter guide surfaces.
  • the mechanical presses can be toggle, articulated, crank or eccentric presses _ with under drive or top drive _.
  • the machine parts are then the press frame and the press housing or the ram and the stand.
  • each guide surface In a known forming machine of the type mentioned (US-A-3 568 498, Fig. 1, 2), only a single counter-guide element is assigned to each guide surface.
  • Each of these counter-guiding elements consists of a plate abutting the associated guide surface, which has a ball socket recess on its back, in which a spherical cap part which is adjustable perpendicular to the direction of movement of the machine parts lies. With these configurations, eccentric force attacks should be better absorbed. Since only one countermeasure organ is provided for each guide surface, these countermeasure organs must be proportionate be large.
  • the execution of the counter-guide elements as plates with a ball socket recess on the back is also complex since the counter-guide elements are wearing parts.
  • the invention has for its object to develop a forming machine of the type mentioned so that the manufacture of the guide is simplified and a simpler adaptation of the associated guide members is possible.
  • each guide surface is assigned at least two counter-guide elements which are arranged with each other in the direction of movement, and that each counter-guide element is designed as a spherical cap made of a lubricious material, with its flat spherical surface on the associated guide surface and with its spherical spherical surface a corresponding spherical segment surface of a ball socket body which is adjustable approximately perpendicular to the direction of movement in the associated machine part.
  • the invention is based on the finding that when two counter-guide elements are arranged one above the other per guide surface, the counter-guide elements can be so small that the overall technical effort is less despite the doubling.
  • the production of the wearing counter-guiding elements as spherical caps is much easier and cheaper than the embodiment as a plate with a ball socket recess on the rear.
  • it is to be regarded as advantageous that the guide surfaces and flat surfaces of the spherical caps Due to the pivotability of the spherical caps in the ball socket bodies, which is possible in all directions, it can be automatically adjusted under all circumstances and hydrodynamic lubrication ensured. Manual rework is not necessary during production.
  • the counter-guide elements are arranged parallel to the two guide levels, there is no longer any mutual interference by force components.
  • the individual countermeasures can be delivered independently of one another and depending on the respective local conditions and requirements.
  • the spherical caps can be replaced quickly and easily from the outside if they wear out, without the need for time-consuming machine disassembly.
  • the elements can be arranged in a frame guide so that the frame deformations caused by loading lead to a reduction in play and thus to a more precise guidance.
  • the mechanical presses shown in the figures have two machine parts 1, 2 which can be moved in a straight line relative to one another (press frame and press housing or ram and stand).
  • One machine part 1 is in Direction of movement 3 extending guide surfaces 4, 4 'guided on counter-guide elements 5 of the other machine part 2.
  • the counter-guide elements 5 are ale spherical caps 6 made of a slidable material, with their flat spherical surface 7 on the associated guide surface 4, 4 'and with their spherical spherical surface 8 each on a corresponding spherical segment surface 9 of a ball socket body which is adjustable perpendicular to the direction of movement 3 in the associated machine part 2 10 concerns.
  • the spherical caps 6 consist of bronze or plastic or bronze and a plastic insert which has the flat spherical surface 7.
  • the ball socket body 10 is screwed into the associated machine part 2 with an external thread and is braced against this machine part 2 by means of a rear threaded shaft 11.
  • Each guide surface 4, 4 ' are assigned at least two, generally four, counter-guide elements 5 located at the corners of a rectangle.
  • four of these counter-guide elements 5 are assigned to the outer guide surfaces 4, which are parallel to the frame plane.
  • the frame 1 perpendicular to these guide surfaces 4 lying inner and outer guide surfaces 4 '. The arrangement is such that the frame 1 'is guided with its inner guide surfaces 4' only on upper pairs of counter-guide members 5 and with its opposite outer guide surfaces 4 'only on lower pairs of counter-guide members 5.
  • each guide surface 4, 4 'four, at the corners of a rectangle lying guide elements 5 are assigned.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Mechanical Operated Clutches (AREA)
  • Transmission Devices (AREA)

Abstract

In a forming machine, in particular a mechanical press, there are two machine parts (1, 2) movable relative to one another in a straight line, one machine part (1), with guide surfaces (4, 4') running in the direction of movement (3), being guided on countersupport members (5) of the other machine part (2). From the point of view of production and use, it is substantially more favourable than hitherto if the countersupport members (5) are constructed as spherical cups (6) which are made of a slidable material and which bear with their flat cup surface (7) against the allocated guide surface (4, 4') and with their spherical cup surface (8) in each case against a corresponding spherical-segment surface (9) of a ball-socket body (10) adjustable in the allocated machine part (2) approximately perpendicularly to the direction of movement (3). <IMAGE>

Description

Die Erfindung betrifft eine Umformmaschine, insbesondere mechanische Presse, mit zwei geradlinig relativ zueinander bewegbaren Maschinenteilen, wobei das eine Maschinenteil mit in Bewegungsrichtung parallel und senkrecht zueinander verlaufenden ebenen Führungsflächen an Gegenführungsflächen aufweisenden Gegenführungsorganen des anderen Maschinenteils geführt ist. _ Bei den mechanischen Pressen kann es sich um Kniehebel-, Gelenk-, Kurbel- oder Exzenterpressen _ mit Unterantrieb oder Oberantrieb _ handeln. Bei den Maschinenteilen handelt es sich dann um den Pressenrahmen und das Pressengehäuse bzw. den Stößel und den Ständer.The invention relates to a forming machine, in particular a mechanical press, with two machine parts which can be moved in a straight line relative to one another, the one machine part being guided on planar guide surfaces of the other machine part with planar guide surfaces running parallel and perpendicular to one another on counter guide surfaces having counter guide surfaces. _ The mechanical presses can be toggle, articulated, crank or eccentric presses _ with under drive or top drive _. The machine parts are then the press frame and the press housing or the ram and the stand.

Bei einer bekannten Umformmaschine der genannten Art (US-A-3 568 498, Fig. 1, 2) ist jeder Führungsfläche nur ein einziges Gegenführungsorgan zugeordnet. Jedes dieser Gegenführungsorgane besteht aus einer an der zugeordneten Führungsfläche anliegenden Platte, die auf ihrer Rückseite eine Kugelpfannenausnehmung aufweist, in welcher ein senkrecht zur Bewegungsrichtung der Maschinenteile verstellbares Kugelkalottenteil liegt. Durch diese Ausgestaltungen sollen exzentrische Kraftangriffe besser aufgenommen werden können. Da pro Führungsfläche nur ein Gegenführungsorgan vorgesaehen ist, müssen diese Gegenführungsorgane verhältnismäßig groß dimensioniert sein. Die Ausführung der Gegenfübrungsorgane als Platten mit rückseitiger Kugelpfannenausnehmung ist zudem aufwendig, da es sich bei den Gegenführungsorganen um Verschleißteile handelt.In a known forming machine of the type mentioned (US-A-3 568 498, Fig. 1, 2), only a single counter-guide element is assigned to each guide surface. Each of these counter-guiding elements consists of a plate abutting the associated guide surface, which has a ball socket recess on its back, in which a spherical cap part which is adjustable perpendicular to the direction of movement of the machine parts lies. With these configurations, eccentric force attacks should be better absorbed. Since only one countermeasure organ is provided for each guide surface, these countermeasure organs must be proportionate be large. The execution of the counter-guide elements as plates with a ball socket recess on the back is also complex since the counter-guide elements are wearing parts.

Der Erfindung liegt die Aufgabe zugrunde, eine Umformmaschine der eingangs genannten Art so weiter zu entwickeln, daß die Fertigung der Führung vereinfacht und eine einfachere Anpassung der einander zugeordneten Führungsorgane möglich ist.The invention has for its object to develop a forming machine of the type mentioned so that the manufacture of the guide is simplified and a simpler adaptation of the associated guide members is possible.

Hierzu lehrt die vorliegende Erfindung, daß jeder Führungsfläche zumindest zwei, in Bewegungsrichtung mit bestand voneinander angeordnete Gegenführungsorgane zugeordnet sind, und daß jedes Gegenführungsorgan als Kugelkalotte aus einem gleitfähigen Material ausgeführt ist, die mit ihrer ebenen Kalottenfläche an der zugeordneten Führungsfläche und mit ihrer kugeligen Kalottenfläche an einer entsprechenden Kugelabschnittsfläche eines etwa senkrecht zur Bewegungsrichtung im zugeordneten Maschinenteil verstellbaren Kugelpfannenkörpers anliegt.To this end, the present invention teaches that each guide surface is assigned at least two counter-guide elements which are arranged with each other in the direction of movement, and that each counter-guide element is designed as a spherical cap made of a lubricious material, with its flat spherical surface on the associated guide surface and with its spherical spherical surface a corresponding spherical segment surface of a ball socket body which is adjustable approximately perpendicular to the direction of movement in the associated machine part.

Die Erfindung geht hierbei von der Erkenntnis aus, daß bei Übereinanderanordnung von zwei Gegenführungsorganen pro Führungsfläche die Gegenführungsorgane so kleinbauend sein können, daß der technische Aufwand trotz Verdopplung insgesamt kleiner ist. Darüber hinaus ist die Herstellung der verschleißenden Gegenführungsorgane als Kugelkalotten wesentlich einfacher und kostengünstiger als die Ausführungsform als Platte mit rückseitiger Kugelpfannenausnehmung. Im übrigen ist als vorteilhaft anzusehen, daß sich die Führungsflächen und ebenen Flächen der Kugelkalotten aufgrund der in allen Richtungen möglichen Verschwenkbarkeit der Kugelkalotten in den Kugelpfannenkörpern unter allen Umstanden selbsttätig anpassen und eine hydrodynamische Schmierung gewärleisten. Bei der Fertigung sind keine manuellen Nacharbeiten nötig. Bei einer Anordnung der Gegenführungsorgane jeweils parallel zu den beiden Führungsebenen ist eine gegenseitige Beeinflussung durch Kraftkomponenten nicht mehr gegeben. Die einzelnen Gegenführungsorgane sind unabhängig voneinander und abhängig von jeweiligen örtlichen Verhältnissen und Anforderungen zustellbar. Die Kugelkalotten können bei Verschleiß rasch und unproblematisch von außen ersetzt werden, ohne daß zeitraubende Maschinendemontage erforderlich ist. Die Elemente können bei einer Rhamenführung so angeornet werden, daß die durch Belastung hervorgerufenen Rahmenverformungen zu einer Spielverkleinerung und damit zu einer präziseren Führung führen.The invention is based on the finding that when two counter-guide elements are arranged one above the other per guide surface, the counter-guide elements can be so small that the overall technical effort is less despite the doubling. In addition, the production of the wearing counter-guiding elements as spherical caps is much easier and cheaper than the embodiment as a plate with a ball socket recess on the rear. Moreover, it is to be regarded as advantageous that the guide surfaces and flat surfaces of the spherical caps Due to the pivotability of the spherical caps in the ball socket bodies, which is possible in all directions, it can be automatically adjusted under all circumstances and hydrodynamic lubrication ensured. Manual rework is not necessary during production. If the counter-guide elements are arranged parallel to the two guide levels, there is no longer any mutual interference by force components. The individual countermeasures can be delivered independently of one another and depending on the respective local conditions and requirements. The spherical caps can be replaced quickly and easily from the outside if they wear out, without the need for time-consuming machine disassembly. The elements can be arranged in a frame guide so that the frame deformations caused by loading lead to a reduction in play and thus to a more precise guidance.

Im folgenden wird die Erfindung anhand einer Zeichnung näher erläutert. Es zeigen

  • Fig. 1 und 2 zueinander senkrechte Schnitte durch eine mechanische Presse mit Rahmenführung und
  • Fig. 3 und 4 zueinander senkrechte Schnitte durch eine mechanische Presse mit Stößelführung.
The invention is explained in more detail below with reference to a drawing. Show it
  • 1 and 2 perpendicular sections through a mechanical press with frame guide and
  • 3 and 4 mutually perpendicular sections through a mechanical press with ram guide.

Die in den Figuren dargestellten mechanischen Pressen weisen zwei geradlinig relativ zueinander bewegbare Maschinenteile 1, 2 (Pressenrahmen und Pressengehäuse bzw. Stössel und Ständer) auf. Das eine Maschinenteil 1 ist mit in Bewegungsrichtung 3 verlaufenden Führungsflächen 4, 4′ an Gegenführungsorganen 5 des anderen Maschinenteils 2 geführt.The mechanical presses shown in the figures have two machine parts 1, 2 which can be moved in a straight line relative to one another (press frame and press housing or ram and stand). One machine part 1 is in Direction of movement 3 extending guide surfaces 4, 4 'guided on counter-guide elements 5 of the other machine part 2.

Die Gegenführungsorgane 5 sind ale Kugelkalotten 6 aus einem gleitfähigen Material ausgeführt, die mit ihrer ebenen Kalottenfläche 7 an der zugeordneten Führungsfläche 4, 4′ und mit ihrer kugeligen Kalottenfläche 8 jeweils an einer entsprechenden Kugelabschnittsfläche 9 eines senkrecht zur Bewegungsrichtung 3 im zugeordneten Maschinenteil 2 verstellbaren Kugelpfannenkörpers 10 anliegen. Die Kugelkalotten 6 bestehen aus Bronze oder Kunststoff bzw. aus Bronze und einem die ebene Kalottenfläche 7 aufweisenden Kunststoffeinsatz. Die Kugelpfannenkörper 10 sind mit einem Außengewinde in das zugeordnete Maschinenteil 2 eingeschraubt und mittels eines rückwärtigen Gewindeschaftes 11 gegen dieses Maschinenteil 2 verspannt.The counter-guide elements 5 are ale spherical caps 6 made of a slidable material, with their flat spherical surface 7 on the associated guide surface 4, 4 'and with their spherical spherical surface 8 each on a corresponding spherical segment surface 9 of a ball socket body which is adjustable perpendicular to the direction of movement 3 in the associated machine part 2 10 concerns. The spherical caps 6 consist of bronze or plastic or bronze and a plastic insert which has the flat spherical surface 7. The ball socket body 10 is screwed into the associated machine part 2 with an external thread and is braced against this machine part 2 by means of a rear threaded shaft 11.

Jeder Führungsfläche 4, 4′ sind zumindest zwei, im allgemeinen vier, an den Ecken eines Rechteckes gelegene Gegenführungsorgane 5 zugeordnet. Bei der Ausführungsform nach den Fig. 1 und 2 sind den äußeren Führungsflächen 4, die parallel zur Rahmenebene liegen, jeweils vier dieser Gegenführungsorgane 5 zugeordnet. Darüber hinaus weist der Rahmen 1 senkrecht zu diesen Führungsflächen 4 liegende innere und äußere Fürungsflächen 4′ auf. Dabei ist die Anordnung so getroffen, daß der Rahmen 1 mit seinen inneren Führungeflächen 4′ nur an oberen Paaren von Gegenführungsorganen 5 und mit seinen gegenüberliegenden äußeren Führungsflächen 4′ lediglich an unteren Paaren von Gegenführungsorganen 5 geführt ist. Bei der Ausführungsform nach den Fig. 3 und 4 sind jeder Führungsfläche 4, 4′ vier, an den Ecken eines Rechteckes liegende Gegenführungsorgane 5 zugeordnet.Each guide surface 4, 4 'are assigned at least two, generally four, counter-guide elements 5 located at the corners of a rectangle. In the embodiment according to FIGS. 1 and 2, four of these counter-guide elements 5 are assigned to the outer guide surfaces 4, which are parallel to the frame plane. In addition, the frame 1 perpendicular to these guide surfaces 4 lying inner and outer guide surfaces 4 '. The arrangement is such that the frame 1 'is guided with its inner guide surfaces 4' only on upper pairs of counter-guide members 5 and with its opposite outer guide surfaces 4 'only on lower pairs of counter-guide members 5. In the embodiment 3 and 4, each guide surface 4, 4 'four, at the corners of a rectangle lying guide elements 5 are assigned.

Claims (4)

1. A forming machine, particularly a mechanical press, with two machine components movable in a straight line relatively to one another, in which one machine component having flat slideways extending parallel and perpendicular to one another in the direction of movement is guided on mating slider devices of the other machine component, that possess mating slider surfaces, characterized in that at least two mating slider devices (5) located with a spacing from one another in the direction of movement are associated with each slideway (4, 4′), and that each mating slider device (5) is constructed as a spherical sement (6) of a slideable material, that lies with the flat surface (7) of the spherical segment against the associated slideway (4 or 4′) and with the spherical surface (8) of the spherical segment against a corresponding spherical segment surface (9) of a ball socket body (10) adjustable in the associated machine component (2) approximately at right angles to the direction of movement (3).
2. A forming machine according to Claim 1, characterized in that the spherical segments (6) consist of bronze and/or plastics.
3. A forming machine according to Claim 1 or 2, characterized in that the ball socket bodies (10) are screwed into the associated machine component (2) by means of an external thread and are tightened against this machine component (2) by means of a backwards-facing threaded shaft (11).
4. A forming machine according to one of Claims 1 to 3, in the form of construction for a forming machine with frame guidance, characterized in that the frame (1) is guided by its inner slideways (4′) at the upper mating slider devices (5) and by its opposite outer slideways (4′) at the lower mating slider devices (5).
EP88114346A 1988-09-02 1988-09-02 Forming machine, in particulier a mechanical press Expired - Lifetime EP0360875B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES88114346T ES2022966B3 (en) 1988-09-02 1988-09-02 MACHINE OF FORMING, IN SPECIAL MECHANICAL PRESS
AT88114346T ATE63854T1 (en) 1988-09-02 1988-09-02 FORMING MACHINE, ESPECIALLY MECHANICAL PRESS.
DE8888114346T DE3863073D1 (en) 1988-09-02 1988-09-02 FORMING MACHINE, IN PARTICULAR MECHANICAL PRESS.
EP88114346A EP0360875B1 (en) 1988-09-02 1988-09-02 Forming machine, in particulier a mechanical press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88114346A EP0360875B1 (en) 1988-09-02 1988-09-02 Forming machine, in particulier a mechanical press

Publications (2)

Publication Number Publication Date
EP0360875A1 EP0360875A1 (en) 1990-04-04
EP0360875B1 true EP0360875B1 (en) 1991-05-29

Family

ID=8199259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114346A Expired - Lifetime EP0360875B1 (en) 1988-09-02 1988-09-02 Forming machine, in particulier a mechanical press

Country Status (4)

Country Link
EP (1) EP0360875B1 (en)
AT (1) ATE63854T1 (en)
DE (1) DE3863073D1 (en)
ES (1) ES2022966B3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401507A1 (en) * 1994-01-20 1995-08-03 Haendle Gmbh & Co Kg Guiding a pressure beam in the machine frame of a press, in particular roof tile press
US6524092B1 (en) 1999-04-06 2003-02-25 Aida Engineering Co., Ltd. Slide guide device, knockout device, and press machine using the same
US6662715B2 (en) * 2000-07-21 2003-12-16 Aida Engineering Co., Ltd. Slider link press
JP3810269B2 (en) 2000-11-22 2006-08-16 アイダエンジニアリング株式会社 Slide guide device for press machine
HU222708B1 (en) * 2001-07-10 2003-09-29 Andor Gattyán Arrangement for the guidance of a piston in a house mainly in a press for compacting waste materials
CN100415498C (en) * 2002-02-05 2008-09-03 爱达工程株式会社 Slider guide rail apparatus for press
JP3913598B2 (en) 2002-04-16 2007-05-09 アイダエンジニアリング株式会社 Slide guide device for press machine
EP2008799A1 (en) * 2007-06-28 2008-12-31 Bruderer Ag Die cutting press

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE470881C (en) * 1927-06-16 1929-01-31 Adolf Kreuser G M B H Crosshead guide for presses or the like.
US3568498A (en) * 1969-01-24 1971-03-09 Pacific Press & Shear Corp Guide system for rams in press brakes and the like
DE2313643A1 (en) * 1973-03-19 1974-10-03 Schirmer & Plate HYDRAULIC PRESS
DE7926284U1 (en) * 1979-09-15 1980-01-10 Mannesmann Demag Ag, 4100 Duisburg ADJUSTABLE GUIDE OF THE CROSS MAIN OR RUNNING ON THE PILLARS OF A PRESS
DE3422644A1 (en) * 1984-06-19 1985-12-19 SMS Hasenclever Maschinenfabrik GmbH, 4000 Düsseldorf UNDERFLOOR FORGING PRESS
DE3622495A1 (en) * 1986-07-02 1988-01-21 Mannesmann Ag Column guide, especially on forging presses

Also Published As

Publication number Publication date
ES2022966B3 (en) 1991-12-16
ATE63854T1 (en) 1991-06-15
DE3863073D1 (en) 1991-07-04
EP0360875A1 (en) 1990-04-04

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