EP1687107B2 - Vorrichtung zum giessen von artikeln aus aluminium, aluminiumlegierungen, leichtmetalllegierungen und dergleichen - Google Patents

Vorrichtung zum giessen von artikeln aus aluminium, aluminiumlegierungen, leichtmetalllegierungen und dergleichen Download PDF

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Publication number
EP1687107B2
EP1687107B2 EP04797599.0A EP04797599A EP1687107B2 EP 1687107 B2 EP1687107 B2 EP 1687107B2 EP 04797599 A EP04797599 A EP 04797599A EP 1687107 B2 EP1687107 B2 EP 1687107B2
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EP
European Patent Office
Prior art keywords
flow control
control element
liquid metal
aluminum
die
Prior art date
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Active
Application number
EP04797599.0A
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English (en)
French (fr)
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EP1687107A2 (de
EP1687107B1 (de
EP1687107B8 (de
Inventor
Claudio Frulla
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.)
Hydromec SRL
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Hydromec SRL
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Publication date
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Publication of EP1687107B1 publication Critical patent/EP1687107B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/08—Controlling, supervising, e.g. for safety reasons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
    • B22D2/003—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass for the level of the molten metal

Definitions

  • the present invention relates to an apparatus for casting articles made of aluminum, aluminum alloys, light alloys and the like.
  • WO 03/066254 provides an apparatus for forming aluminum articles, which is constituted by a lower die and by and upper die that can be coupled one another.
  • the liquid metal is introduced by means of a feed duct that approaches from below and is connected to a furnace, so that the liquid metal exits directly into a concave portion of a lower impression formed in the lower die.
  • the upper die is provided with a movable plug, which forms the upper impression, mates with the lower impression in order to form the shape of the product being cast, and can move so as to close the shape and form in practice an element for blocking the port for connection to the liquid metal feed duct.
  • any overflow of the product during closure of the die may cause deposits at such port, and therefore over time substantial inaccuracies in production would occur.
  • WO 00/45979 also discloses an apparatus for casting metal articles.
  • the aim of the invention is to solve the problems noted above by providing an apparatus for casting articles made of aluminum, aluminum alloys, light alloys and the like that allows to perform automatic dosage without particular difficulties, even when casting parts that have a relatively great extension in the direction in which the die parts move.
  • an object of the invention is to provide an apparatus that allows to achieve considerable process uniformity, further providing an always perfect dosage of the material that is introduced in the casting impression.
  • Another object of the present invention is to provide an apparatus that allows to cast items in a shorter time, thus contributing to a significant reduction in production costs.
  • Another object of the present invention is to provide an apparatus that thanks to its particular constructive characteristics is capable of giving the greatest assurances of reliability and safety in use and further provides products that are highly competitive from a merely economical standpoint.
  • the apparatus for casting articles made of aluminum, aluminum alloys, light alloys and the like comprises a platen, generally designated by the reference numeral 1, which supports a lower die 2, with which an upper die 3 cooperates, the upper die being movable toward and away from the lower die.
  • a duct 4 for introducing liquid metal which approaches from below and is connected to a furnace for the liquid metal, which is not shown in the drawings and is preferably of the pressurized type.
  • the feed duct 4 passes through the platen and along its extension conventional heating means for keeping the metal liquid are provided.
  • the lower die forms a lower impression, designated by the reference numeral 10, which in cooperation with an upper impression 11 provides a region for containing a dosed quantity of liquid metal and forms the contour of the product to be produced.
  • the impression 11 is formed partially by the upper die 3 and by a compaction plug 20, which can move with respect to the upper die 3 and supports a flow control element 30, which acts on the connecting port 5 of the feed duct 4 in order to close hermetically the contour being formed.
  • the flow control element 30 is connected to a piston 31, which can move in a chamber 32 formed in the compaction plug, so as to be able to have an independent movement between the flow control element 30 and the compaction plug 20.
  • a level sensor 40 is provided, which is designed to control the infeed of liquid metal, in particular to stop the rise of the liquid metal.
  • liquid metal begins to be introduced by means of the feed duct 4, so that the metal overflows in order to fill the portion of the contour that is arranged at a lower level than the connecting port of the feed duct 4.
  • the flow control element 30 is actuated ( Figure 5 ), closing the connecting port, with the assurance that a preset quantity of liquid metal has been introduced in the contour delimited by the lower and upper impressions.
  • the compaction plug is operated and displaces the liquid metal, completely filling the die and at the same time allowing to uniform and compact the pressure inside the metal, obtaining accordingly a finished product that has undergone a compaction that allows to obtain parts having considerable structural uniformity and improved mechanical strength.
  • the materials used may be any according to requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Forging (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Table Devices Or Equipment (AREA)
  • Lubricants (AREA)
  • Telephone Function (AREA)

Claims (3)

  1. Eine Vorrichtung zum Gießen von Artikeln, die aus Aluminium, Aluminiumlegierungen, Leichtmetallen und dergleichen hergestellt sind, Folgendes umfassend: auf einer Platte (1), mindestens einen unteren Stempel (2) und mindestens einen oberen Stempel (3), einen Kanal (4) zum Einführen von flüssigem Metall, das von unten kommt und mit einem Ofen verbunden ist, der in den mindestens einen unteren Stempel (2) führt, wobei der mindestens eine untere Stempel (2) mindestens einen unteren Eindruck (10) ausformt, der im Zusammenwirken mit einem oberen Eindruck (11) des oberen Stempels (3) einen Bereich zum Aufnehmen einer dosierten Menge von flüssigem Metall bereitstellt, dadurch gekennzeichnet, dass sie auf dem mindestens einen oberen Stempel (3) ein Durchflussregelungselement (30) umfasst, welches auf einen Verbindungsanschluss (5) des Kanals (4) wirkt, und einen Verdichtungsstöpsel (20), der mindestens einen Abschnitt des oberen Eindrucks (11) bildet, einen Teil des Außenprofils des gegossenen Artikels bestimmt und ausgebildet ist, um eine von der Bewegung des Durchflussregelungselements (30) unabhängige Translationsbewegung durchzuführen, um den Artikel zu gießen, wobei der Verdichtungsstöpsel (20) das einzige Element ist, das die Verdichtung des flüssigen Metalls durchführt, und wobei das Durchflussregelungselement (30) ausgebildet ist, um den Verbindungsanschluss zu verschließen, wobei der Verdichtungsstöpsel (20), das Durchflussregelungselement (30), der Verbindungsanschluss (5) und der Kanal (4) alle koaxial sind und das Durchflussregelungselement (30) einen Teil des unteren Eindrucks und des inneren Profils des gegossenen Artikels bestimmt, wobei das Durchflussregelungselement (30) mit einem Kolben (31) verbunden ist, der sich in einer im Verdichtungsstöpsel (20) geformten Kammer (32) bewegen kann, um eine unabhängige Bewegung zwischen dem Durchflussregelungselement (30) und dem Verdichtungsstöpsel (20) haben zu können, wobei ein Füllstandssensor (40) an dem Durchflussregelungselement (30) bereitgestellt ist und der Füllstandssensor konstruiert ist, um die Zufuhr von flüssigem Metall zu steuern.
  2. Die Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Durchflussregelungselement (30) von dem Verdichtungsstöpsel (20) getragen wird.
  3. Die Vorrichtung gemäß den obigen Ansprüchen, dadurch gekennzeichnet, dass der Verdichtungsstöpsel (20) eine Translationsbewegung entlang der Richtung der gegenseitigen Translationsbewegung zwischen dem unteren Stempel (2) und dem oberen Stempel (3) ausführen kann.
EP04797599.0A 2003-11-12 2004-11-04 Vorrichtung zum giessen von artikeln aus aluminium, aluminiumlegierungen, leichtmetalllegierungen und dergleichen Active EP1687107B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002186A ITMI20032186A1 (it) 2003-11-12 2003-11-12 Apparecchiatuira per lo stampaggio di oggetti in alluminio,
PCT/EP2004/012473 WO2005049248A2 (en) 2003-11-12 2004-11-04 Apparatus for casting articles made of aluminum, aluminum alloys, light alloys and the like

Publications (4)

Publication Number Publication Date
EP1687107A2 EP1687107A2 (de) 2006-08-09
EP1687107B1 EP1687107B1 (de) 2010-09-29
EP1687107B8 EP1687107B8 (de) 2010-11-03
EP1687107B2 true EP1687107B2 (de) 2014-08-13

Family

ID=34611230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04797599.0A Active EP1687107B2 (de) 2003-11-12 2004-11-04 Vorrichtung zum giessen von artikeln aus aluminium, aluminiumlegierungen, leichtmetalllegierungen und dergleichen

Country Status (5)

Country Link
EP (1) EP1687107B2 (de)
AT (1) ATE482781T1 (de)
DE (1) DE602004029387D1 (de)
IT (1) ITMI20032186A1 (de)
WO (1) WO2005049248A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009051879B3 (de) * 2009-11-04 2011-06-01 Baumgartner, Heinrich G. Metall-Druckgussmaschine
US9475119B2 (en) 2012-08-03 2016-10-25 General Electric Company Molded articles
ITUB20152405A1 (it) * 2015-07-22 2017-01-22 Hydromec S R L Procedimento per la realizzazione di oggetti in alluminio, leghe di alluminio, leghe leggere, ottone, bronzo e simili
ITUB20155732A1 (it) 2015-11-19 2017-05-19 Idra S R L Procedimento e apparecchiatura per lo stampaggio di oggetti in alluminio, leghe di alluminio, leghe leggere, ottone e simili
IT201800007754A1 (it) 2018-08-02 2020-02-02 Idra Srl Procedimento e apparecchiatura per lo stampaggio di oggetti in alluminio, leghe di alluminio, leghe leggere, ottone e simili.
CN114433770A (zh) * 2021-12-27 2022-05-06 芜湖三联锻造股份有限公司 一种法兰类零件锻造用晶粒度优化装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5728662A (en) † 1980-07-30 1982-02-16 Nikkei Giken:Kk Pressure die-casting equipment for material having opened part
JPS635861A (ja) † 1986-06-24 1988-01-11 Toshiba Mach Co Ltd プランジヤ加圧鋳造方法および装置
JPH01158320A (ja) † 1987-12-16 1989-06-21 Kobe Steel Ltd 金型内溶湯感知センサ
US5562147A (en) † 1994-09-05 1996-10-08 Bortoloni; Andrea Multi-stage casting plant and method of forming castings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG63426B1 (bg) * 1999-02-01 2002-01-31 Любомир ПЕТКАНЧИН Метод и устройство за леене на детайли
ITMI20020223A1 (it) * 2002-02-07 2003-08-07 Claudio Frulla Apparecchiatura per la realizzazione di oggetti in alluminio leghe dialluminio leghe leggere e simili

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5728662A (en) † 1980-07-30 1982-02-16 Nikkei Giken:Kk Pressure die-casting equipment for material having opened part
JPS635861A (ja) † 1986-06-24 1988-01-11 Toshiba Mach Co Ltd プランジヤ加圧鋳造方法および装置
JPH01158320A (ja) † 1987-12-16 1989-06-21 Kobe Steel Ltd 金型内溶湯感知センサ
US5562147A (en) † 1994-09-05 1996-10-08 Bortoloni; Andrea Multi-stage casting plant and method of forming castings

Also Published As

Publication number Publication date
WO2005049248A3 (en) 2005-11-24
DE602004029387D1 (de) 2010-11-11
ITMI20032186A1 (it) 2005-05-13
ATE482781T1 (de) 2010-10-15
EP1687107A2 (de) 2006-08-09
EP1687107B1 (de) 2010-09-29
WO2005049248A2 (en) 2005-06-02
EP1687107B8 (de) 2010-11-03

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