EP0637508A1 - Multiple-column press or similar press installation for sheet-metal forming - Google Patents

Multiple-column press or similar press installation for sheet-metal forming Download PDF

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Publication number
EP0637508A1
EP0637508A1 EP94110327A EP94110327A EP0637508A1 EP 0637508 A1 EP0637508 A1 EP 0637508A1 EP 94110327 A EP94110327 A EP 94110327A EP 94110327 A EP94110327 A EP 94110327A EP 0637508 A1 EP0637508 A1 EP 0637508A1
Authority
EP
European Patent Office
Prior art keywords
press
rams
pressing
pair
columns
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.)
Granted
Application number
EP94110327A
Other languages
German (de)
French (fr)
Other versions
EP0637508B1 (en
Inventor
Hans Hofele
Wolfgang Michael
Hermann Braun
Franz Schneider
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.)
L Schuler GmbH
Original Assignee
L Schuler 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 L Schuler GmbH filed Critical L Schuler GmbH
Publication of EP0637508A1 publication Critical patent/EP0637508A1/en
Application granted granted Critical
Publication of EP0637508B1 publication Critical patent/EP0637508B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B30B1/266—Drive systems for the cam, eccentric or crank axis

Definitions

  • the invention relates to a multi-column press or the like.
  • Press system for forming sheet metal parts with opposing press stands. Press systems of this type are used to form a blank, blank or the like. Sheet metal parts, in the first stage the drawing for generating the initial shape can be provided for the further shaping.
  • the invention relates to such multi-column presses with a plurality of, at least two press rams, the ram drive being arranged above the press ram and in which the force is applied symmetrically to its central longitudinal axis.
  • press systems are known for example from US-A-4,102,174; DE-C2-31 18 955; DE-A1-39 05 068 and DE-A1-41 24 083 known.
  • the latter publications show the use of several press rams in the subsequent stages following the drawing stage, as well as hissing deposits after each processing stage.
  • These press assemblies shown here are expensive with a correspondingly high number of components.
  • the drive of two abutting, (subsequent) press rams should take place from an intermediate stand area.
  • the press system comprises a number of forming stages 4, 5, which follow one another in the direction of press travel 6 - workpiece passage through the press system.
  • Fig. 1 also shows tie rods 3, which form the actual press stands 1 and 2 with corresponding tie rod bushings.
  • the opposing press stands 2 each have a tie rod 3 (also FIG. 9), the centers of which are located on a common center line 17 according to FIG. 5.
  • the press system also has, as shown in FIG. 2, press rams 7, which are placed on the foundation by means of cross beams and the press rams 8, 9 which are moved up and down by the motor drive 13 of the press drive, which is generally positioned with 12, via gears in gear boxes 14, 15 and connecting rods 18. 4 acts on the gear boxes 14 and 15.
  • tool halves 10, 11 are each oriented on press table 7 or press ram 8, 9.
  • the Press rams 8, 9 shown bridge the otherwise existing space between the opposing press stands 2 and can be driven separately via the differently designed gears in the gear box 15 and the other, also in the intermediate stand area of the press stand 1 or above the gears 14 located there.
  • the press rams 8, 9 are by means of crankshaft, toggle (Glenk), eccentric gears and the like. Gear means drivable.
  • gears are located in gear boxes 14 and 15, respectively, which are accommodated between the press stands 1 and 2 or above them.
  • tie rods 19 are provided for fastening the gear box 15 to the press stands 2 or to longitudinal beams rigidly connected to the press stands 2.
  • the figures 7 and 8 show a transmission structure, here a crankshaft transmission with the same tap for connecting rods 18, one connecting rod pair 18 being articulated on the press ram 8, a second pair of connecting rods 18 being connected to the press ram 9.
  • the gear boxes 14 are designed in accordance with the gear used in the gear box 15. 5 shows the symmetrical introduction of force 16 from the gear box 15 or via the gear housed therein into the press rams 8 and 9.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention relates to a multiple-column press or similar press installation for forming sheet metal parts, having a bed plate (7) or bed plates, pressing columns (1, 2) and a plurality of pressing rams (8, 9), which are driven by the press drive (12), for workpiece upper parts (10) which interact with workpiece lower parts (11), the gear for converting the rotary movement of the motor drive (13) into the reciprocating movement of the pressing rams (8, 9) being each situated between pressing columns (2) which are situated opposite one another and form a pair of columns in each case and above the point at which force is imparted to the pressing rams (8, 9), two gears being incorporated in each pair of columns of the two pressing rams (8, 9). This design makes it possible to drive the pressing rams (8, 9) which are assigned to a pair of pressing columns from one pressing column region. <IMAGE>

Description

Die Erfindung betrifft eine Mehrständerpresse o.dgl. Pressenanlage zum Formen von Blechteilen mit einander gegenüberstehenden Pressenständern. Pressenanlagen dieser Art dienen dem Umformen einer Platine, Ronde o.dgl. Blechteile, wobei in der ersten Stufe das Ziehen zur Erzeugung der Ausgangsform für die weitere Formgebung vorgesehen sein kann. Die Erfindung betrifft solche Mehrständerpressen mit mehreren, zumindest zwei Pressenstößeln, wobei der Stößelantrieb oberhalb des Pressenstößels angeordnet ist und bei denen die Krafteinleitung symmetrisch zu dessen Mittenlängsachse erfolgt.The invention relates to a multi-column press or the like. Press system for forming sheet metal parts with opposing press stands. Press systems of this type are used to form a blank, blank or the like. Sheet metal parts, in the first stage the drawing for generating the initial shape can be provided for the further shaping. The invention relates to such multi-column presses with a plurality of, at least two press rams, the ram drive being arranged above the press ram and in which the force is applied symmetrically to its central longitudinal axis.

Derartige Pressenanlagen sind beispielsweise aus den Druckschriften US-A-4,102,174; DE-C2-31 18 955; DE-A1-39 05 068 und DE-A1-41 24 083 bekannt. Die letztgenannten Druckschriften zeigen die Verwendung mehrerer Pressenstößel in den der Ziehstufe nachfolgenden Folgestufen sowie Zischenablagen nach jeder Bearbeitungsstufe. Diese hier gezeigten Pressenaufbauten sind teuer bei entsprechend hoher Bauteile-Anzahl.Such press systems are known for example from US-A-4,102,174; DE-C2-31 18 955; DE-A1-39 05 068 and DE-A1-41 24 083 known. The latter publications show the use of several press rams in the subsequent stages following the drawing stage, as well as hissing deposits after each processing stage. These press assemblies shown here are expensive with a correspondingly high number of components.

Es ist eine Aufgabe der Erfindung, die Länge des Gesamtproduktionsraumes unter Wegfall der Zwischenablagen zu verringern und die Antriebe der Pressenstößel in den Bereich früher vorhandener Leerstufenbereiche (Zwischenständerbereich) zu legen. Insbesondere soll hierbei der Antrieb von zwei aneinander stoßenden, (Folge-)Pressenstößeln aus einem Zwischenständerbereich heraus erfolgen.It is an object of the invention to reduce the length of the entire production space while eliminating the intermediate shelves and to place the drives of the press rams in the area of previously empty space areas (intermediate stand area). In particular, the drive of two abutting, (subsequent) press rams should take place from an intermediate stand area.

Diese Aufgabe ist gelöst bei einer der Pressenanlagen der zuvorgenannten Arten durch die Merkmale des Kennzeichens des Anspruchs 1.This object is achieved in one of the press systems of the aforementioned types by the features of the characterizing part of claim 1.

Die weiteren Ansprüche kennzeichnen für sich bevorzugte und erfinderische Weiterbildungen.The further claims characterize preferred and inventive further developments.

Von besonderem Vorteil ist die Möglichkeit des unterschiedlichen Antriebs der benachbarten Pressenstößel.The possibility of different drive of the adjacent press rams is particularly advantageous.

Anhand eines in der Zeichnung gezeigten Ausführungsbeispiels soll im folgenden die Erfindung näher erläutert werden.Based on an embodiment shown in the drawing, the invention will be explained in more detail below.

Es zeigen:

Fig. 1
Die Aufteilung einer Pressenanlage nach Bearbeitungs- bzw. Umformstufen,
Fig. 2
eine Pressenanlage gemäß Fig. 1 in einer Vorderansicht,
Fig. 3
eine Ansicht gemäß dem in Fig. 2 angedeuteten Schnittverlauf IX-IX,
Fig. 4
die Draufsicht auf die Pressenanlage nach Fig. 2,
Fig. 5
eine Ansicht gemäß dem in Fig. 2 angedeuteten Schnittverlauf V-V,
Fign. 6 und 7
die Anbindung des Getriebekastens an die Pressenständer,
Fig. 8
eine Teilansicht gemäß dem in Fig. 6 angedeuteten Schnittverlauf VIII-VIII und
Fig. 9
eine Teilansicht gemäß dem in Fig. 7 angedeuteten Schnittverlauf IV-IV.
Show it:
Fig. 1
The division of a press system according to processing or forming stages,
Fig. 2
1 in a front view,
Fig. 3
2 shows a view according to the section line IX-IX indicated in FIG. 2,
Fig. 4
the top view of the press system of FIG. 2,
Fig. 5
2 shows a view according to the section VV indicated in FIG. 2,
Fig. 6 and 7
the connection of the gearbox to the press stand,
Fig. 8
a partial view according to the section indicated in Fig. 6 VIII-VIII and
Fig. 9
a partial view according to the section indicated in Fig. 7 IV-IV.

Die Pressenanlage umfaßt eine Anzahl Umformstufen 4, 5, die in Pressendurchlaufrichtung 6 - Werkstückdurchgang durch die Pressenanlage - einander folgen. Fig. 1 zeigt weiterhin Zuganker 3, die mit entsprechenden Zugankerbuchsen die eigentlichen Pressenständer 1 bzw. 2 bilden. Die einander gegenüberstehenden Pressenständer 2 weisen hier jeweils bei Zuganker 3 auf (auch Fig. 9), deren Mitten sich gemäß Fig. 5 auf einer gemeinsamen Mittenlinie 17 befinden. Die Pressenanlage weist weiterhin entsprechend Fig. 2 über Querträger auf dem Fundament aufgesetzte Pressentische 7 sowie vom Motorantrieb 13 des allgemein mit 12 positionierten Pressenantriebs über Getriebe in Getriebekästen 14, 15 und Pleuel 18 auf- und abbewegte Pressenstößel 8, 9 auf. Der Motorantrieb 13 wirkt gemäß Fig. 4 auf die Getriebekästen 14 und 15.The press system comprises a number of forming stages 4, 5, which follow one another in the direction of press travel 6 - workpiece passage through the press system. Fig. 1 also shows tie rods 3, which form the actual press stands 1 and 2 with corresponding tie rod bushings. The opposing press stands 2 each have a tie rod 3 (also FIG. 9), the centers of which are located on a common center line 17 according to FIG. 5. The press system also has, as shown in FIG. 2, press rams 7, which are placed on the foundation by means of cross beams and the press rams 8, 9 which are moved up and down by the motor drive 13 of the press drive, which is generally positioned with 12, via gears in gear boxes 14, 15 and connecting rods 18. 4 acts on the gear boxes 14 and 15.

Wie es insbesondere Fig. 3 erkennen läßt, sind Werkzeughälften 10, 11 jeweils auf Pressentisch 7 bzw. Pressenstößel 8, 9 orientiert. Die gezeigten Pressenstößel 8, 9 überbrücken den ansonsten vorhandenen Freiraum zwischen den einander gegenüberstehenden Pressenständern 2 und sind getrennt über die unterschiedlich auslegbaren Getriebe in dem Getriebekasten 15 und dem jeweils anderen, ebenfalls im Zwischenständerbereich der Pressenständer 1 oder oberhalb dieser befindlichen Getriebe 14 antreibbar.3, tool halves 10, 11 are each oriented on press table 7 or press ram 8, 9. The Press rams 8, 9 shown bridge the otherwise existing space between the opposing press stands 2 and can be driven separately via the differently designed gears in the gear box 15 and the other, also in the intermediate stand area of the press stand 1 or above the gears 14 located there.

Die Pressenstößel 8, 9 sind vermittels Kurbelwellen-, Kniehebel-(Glenk-), Exzentergetriebe u.dgl. Getriebemittel antreibbar.The press rams 8, 9 are by means of crankshaft, toggle (Glenk), eccentric gears and the like. Gear means drivable.

Wie es die Fig. 6, 7 und 8 zeigen, befinden sich die Getriebe in Getriebekästen 14 bzw. 15, die zwischen den Pressenständern 1 bzw. 2 oder oberhalb dieser untergebracht sind. Im letzteren Fall sind Zuganker 19 zur Befestigung des Getriebekastens 15 an den Pressenständern 2 bzw. an mit den Pressenständern 2 starr verbundenen Längsträgern vorgesehen. Die Fign. 7 und 8 lassen einen Getriebeaufbau, hier ein Kurbelwellengetriebe mit gleiche Abgriff für Pleuel 18 erkennen, wobei ein Pleuelpaar 18 an dem Pressenstößel 8, ein zweites Pleuelpaar 18 an dem Pressenstößel 9 angelenkt ist. Es versteht sich, daß die Getriebekästen 14 entsprechend dem in dem Getriebekasten 15 verwendeten Getriebe ausgelegt ist. Die Fig. 5 läßt die symmetrische Krafteinleitung 16 aus dem Getriebekasten 15 bzw. über die in diesem untergebrachten Getriebe in die Pressenstößel 8 und 9 erkennen.As shown in FIGS. 6, 7 and 8, the gears are located in gear boxes 14 and 15, respectively, which are accommodated between the press stands 1 and 2 or above them. In the latter case tie rods 19 are provided for fastening the gear box 15 to the press stands 2 or to longitudinal beams rigidly connected to the press stands 2. The figures 7 and 8 show a transmission structure, here a crankshaft transmission with the same tap for connecting rods 18, one connecting rod pair 18 being articulated on the press ram 8, a second pair of connecting rods 18 being connected to the press ram 9. It is understood that the gear boxes 14 are designed in accordance with the gear used in the gear box 15. 5 shows the symmetrical introduction of force 16 from the gear box 15 or via the gear housed therein into the press rams 8 and 9.

Claims (3)

Mehrständerpresse o.dgl. Pressenanlage zum Formen von Blechteilen, mit einem Pressentisch bzw. Pressentischen, Pressenständern und mehreren vom Pressenantrieb getriebenen Pressenstößeln für mit Werkzeugunterteilen zusammenwirkenden Werkzeugoberteilen, dadurch gekennzeichnet, daß die Getriebe zur Umlenkung der Drehbewegung des Motorantriebs (12) in die auf- und abgehende Bewegung der Pressenstößel (8,9) zwischen jeweils ein Ständerpaar bildenden - einander gegenüberbefindlichen - Pressenständern (2) und oberhalb der Krafteinleitung (16) in die Pressenstößel (2) angeordnet sind, wobei in dem jeweiligen Ständerpaar von zwei Pressenstößeln (8,9) zwei Getriebe eingebracht sind.Multi-column press or the like Press system for forming sheet metal parts, with a press table or press tables, press stands and several press rams driven by the press drive for tool upper parts interacting with lower tool parts, characterized in that the gears for deflecting the rotary movement of the motor drive (12) into the up and down movement of the press rams (8,9) are arranged between press stands (2), each forming a pair of stands - opposite one another - and above the force introduction (16) into the press rams (2), two gears being introduced into the respective stand pair by two press rams (8,9) are. Mehrständerpresse nach Anspruch 1, dadurch gekennzeichnet, daß die Krafteinleitung (16) in die einem Ständerpaar zugeordneten zwei Pressenstößel (2) symmetrisch zu den Zugankern (3) dieses Ständerpaares erfolgt.Multi-column press according to Claim 1, characterized in that the force (16) is introduced into the two press rams (2) assigned to a pair of columns symmetrically to the tie rods (3) of this pair of columns. Mehrstufenpresse nach einem oder beiden der vorhergenannten Ansprüche, dadurch gekennzeichnet, daß jeweils zwei Zuganker (3) einen Pressenständer (2) des zwei Pressenstößel (8,9) zugeordneten Ständerpaares bilden, deren Mitten auf einer gemeinsamen Linie (17) angeordnet sind.Multi-stage press according to one or both of the preceding claims, characterized in that two tie rods (3) each form a press stand (2) of the pair of stands associated with two press rams (8, 9), the centers of which are arranged on a common line (17).
EP94110327A 1993-07-08 1994-07-02 Multiple-column press or similar press installation for sheet-metal forming Expired - Lifetime EP0637508B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4322775A DE4322775A1 (en) 1993-07-08 1993-07-08 Multi-column press or similar press system for forming sheet metal parts
DE4322775 1993-07-08

Publications (2)

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EP0637508A1 true EP0637508A1 (en) 1995-02-08
EP0637508B1 EP0637508B1 (en) 1998-03-04

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EP94110327A Expired - Lifetime EP0637508B1 (en) 1993-07-08 1994-07-02 Multiple-column press or similar press installation for sheet-metal forming

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US (1) US5582063A (en)
EP (1) EP0637508B1 (en)
BR (1) BR9402649A (en)
CZ (1) CZ285852B6 (en)
DE (2) DE4322775A1 (en)
ES (1) ES2115105T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605962C2 (en) * 1996-02-17 2003-03-06 Erfurt Umformtechnik Gmbh Transfer Press Line

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE19728361A1 (en) * 1997-07-03 1999-01-07 Schuler Pressen Gmbh & Co Multi-station press for forming sheet metal parts
US6101861A (en) * 1998-01-30 2000-08-15 Verson, A Division Of Allied Products Corporation Bridge frame for a transfer press
US6023958A (en) * 1998-01-30 2000-02-15 Verson Bridge press
US6000322A (en) * 1998-01-30 1999-12-14 Verson Transfer press die support
DE10065255B4 (en) * 2000-12-29 2005-02-17 Schuler Pressen Gmbh & Co. Kg Multistage press
DE102004027082B3 (en) * 2004-06-02 2006-01-12 Maschinenfabrik Lauffer Gmbh & Co Kg sizing
EP1964664B1 (en) * 2007-02-27 2013-11-20 Maschinenfabrik Lauffer GmbH & Co. KG Method for controlling a powder moulding press manufacturing moulded articles

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DE2657911A1 (en) * 1975-12-26 1977-07-14 Komatsu Mfg Co Ltd TRANSFER PRESS
US4064734A (en) * 1976-05-04 1977-12-27 Pahnke Engineering G.M.B.H. & Co. Kg Hammer forging presses
JPS5893599A (en) * 1981-11-27 1983-06-03 Komatsu Ltd Press device
EP0581008A2 (en) * 1992-06-27 1994-02-02 SCHULER PRESSEN GmbH &amp; Co. Press installation

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Publication number Priority date Publication date Assignee Title
DE2165365A1 (en) * 1970-12-31 1972-07-27 Kabushiki Kaisha Komatsu Seisakusho, Tokio Press
DE2657911A1 (en) * 1975-12-26 1977-07-14 Komatsu Mfg Co Ltd TRANSFER PRESS
US4064734A (en) * 1976-05-04 1977-12-27 Pahnke Engineering G.M.B.H. & Co. Kg Hammer forging presses
JPS5893599A (en) * 1981-11-27 1983-06-03 Komatsu Ltd Press device
EP0581008A2 (en) * 1992-06-27 1994-02-02 SCHULER PRESSEN GmbH &amp; Co. Press installation

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Title
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Publication number Priority date Publication date Assignee Title
DE19605962C2 (en) * 1996-02-17 2003-03-06 Erfurt Umformtechnik Gmbh Transfer Press Line

Also Published As

Publication number Publication date
EP0637508B1 (en) 1998-03-04
CZ285852B6 (en) 1999-11-17
US5582063A (en) 1996-12-10
DE4322775A1 (en) 1995-01-12
CZ162894A3 (en) 1995-02-15
BR9402649A (en) 1995-04-04
DE59405345D1 (en) 1998-04-09
ES2115105T3 (en) 1998-06-16

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