EP1472027A1 - Appareil et procede servant a fabriquer des objets en aluminium, en alliages d'aluminium ou en alliages legers et autres - Google Patents

Appareil et procede servant a fabriquer des objets en aluminium, en alliages d'aluminium ou en alliages legers et autres

Info

Publication number
EP1472027A1
EP1472027A1 EP03737299A EP03737299A EP1472027A1 EP 1472027 A1 EP1472027 A1 EP 1472027A1 EP 03737299 A EP03737299 A EP 03737299A EP 03737299 A EP03737299 A EP 03737299A EP 1472027 A1 EP1472027 A1 EP 1472027A1
Authority
EP
European Patent Office
Prior art keywords
liquid metal
die
lower die
impression
male plug
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
EP03737299A
Other languages
German (de)
English (en)
Other versions
EP1472027B1 (fr
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.)
Esjotech Srl
Original Assignee
Esjotech Srl
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 Esjotech Srl filed Critical Esjotech Srl
Publication of EP1472027A1 publication Critical patent/EP1472027A1/fr
Application granted granted Critical
Publication of EP1472027B1 publication Critical patent/EP1472027B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B22D18/04—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 manufacturing items made of aluminum, aluminum alloys, light alloys and the like.
  • a casting technique which is known as low-pressure casting, wherein the liquid metal is made to rise from the furnace through a duct for introducing the liquid metal that exits upward in a die formed by two or more parts.
  • the aim of the invention is indeed to solve the above problems, providing an apparatus for manufacturing items made of aluminum, aluminum alloys, light alloys and the like, which allows to cast items that have a very compact structure without however having to use a dosage device to introduce the liquid metal, which is instead in practice dosed automatically by the apparatus.
  • an object of the invention is to provide an apparatus that allows to produce items without sprue and with considerably shorter times for obtaining the solidification step.
  • Another object of the present invention is to provide an apparatus that can be obtained easily starting from commonly commercially available elements and materials and is also competitive from a merely economical standpoint.
  • an apparatus for manufacturing items made of aluminum, aluminum alloys, light alloys and the like comprising, on a platen, a lower die and at least one upper die, a duct for introducing liquid metal that is connected to a furnace, said liquid metal input duct arriving from below and leading into said lower die, characterized in that said lower die forms at least one lower impression, which has at least one concave portion for introducing a dosed quantity of liquid metal, a male plug being associated with said upper die, said male plug being adapted to move with respect to said upper die and forming at least one upper impression that can be coupled to said at least one lower impression in order to determine the shape of the item being cast, said at least one upper die being closable onto said lower die and said male plug closing said shape and acting as a flow control element for the port that provides a connection to said input duct.
  • Figure 1 is a schematic sectional view of the apparatus, taken along a vertical plane, during the initial step of casting;
  • Figure 2 is a view illustrating the step for introducing the liquid metal in the lower die
  • Figure 3 is a view illustrating the step for dosing the liquid metal
  • Figure 4 is a view illustrating the step for the closure of the upper die onto the lower die
  • Figure 5 is a schematic plan view of a die with three impressions
  • Figure 6 is a schematic view of a safety shoe toe cap that can be obtained with the apparatus according to the invention. Ways of carrying out the Invention
  • the apparatus for manufacturing items made of aluminum, aluminum alloys, light alloys and the like comprises a platen, generally designated by the reference numeral 1, on which there is a lower die 2 with which an upper die 3 cooperates; said upper die can perform a translational motion toward and away from the lower die.
  • duct 10 for introducing liquid metal which arrives from below from a furnace 11 of the liquid metal which is preferably of the pressurized type; the duct 10 runs through the platen, where there are usual heating means 12, until it exits at the impressions 20 provided in the lower die.
  • the level of the liquid metal is lowered again ( Figure 3), so as to provide precise dosage of the metal according to the position of the overflow ports 22 that form the region for the overflow of the liquid metal into the concave regions 23.
  • At least one male plug 8 is connected to the upper die 3, can move with respect to the upper die 3, and forms an upper impression 25, which in cooperation with the corresponding lower impression 20 forms the shape of the item being cast.
  • the specific example illustrates a toe cap 21 for safety shoes.
  • An important particularity of the invention consist in that after closing the upper die 3 onto the lower die 2 and after dosing the liquid metal, the piston 8, which moves with respect to the upper die 3, closes the port 24 for connection to the liquid metal input duct 10, thus achieving clear separation with respect to the column of liquid metal, which moreover, to perform dosage, had been made to descend in the channel 10, so as to place the free surface of the liquid preferably at the heated region.
  • the dosage of the metal is substantially produced by the shape of the lower impression and more particularly by the concave portion of the lower portion, allows to arrange around the same input channel impressions that are different one another and in which the liquid metal is always dosed correctly, said dosage being possibly different in each impression.
  • the male plug in practice forms a flow control element that closes the port for connection to the liquid metal input duct, avoiding the formation of sprue and also generating pressure on the liquid metal undergoing solidification, which helps to obtain a product with high-level structural and mechanical characteristics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Conductive Materials (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Medicinal Preparation (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

La présente invention concerne un appareil qui permet de fabriquer des articles réalisés en aluminium, en alliages d'aluminium, en alliages légers et autres, cet appareil comprenant un plateau (1), une filière inférieure (2) et au moins une filière supérieure (3), un conduit (10) qui sert à introduire du métal liquide et qui est relié à un four, le conduit (10) d'amenée du métal liquide arrivant par en dessous et débouchant dans la filière inférieure (2), ladite filière inférieure (2) formant au moins une impression inférieure (20) qui présente une partie concave (23) servant à introduire une quantité dosée de métal liquide, un obturateur mâle (8) associé à la filière supérieure (3) et formant au moins une impression supérieure (25) pouvant être reliée à l'impression inférieure (20) pour déterminer la forme de l'élément coulé. La filière supérieure (3) est fermée sur la filière inférieure (2) et l'obturateur mâle (8) ferme la forme et agit en tant qu'élément de régulation du flux pour l'orifice (24) qui assure une connexion avec le conduit (10) d'amenée du métal liquide.
EP03737299A 2002-02-07 2003-01-31 Appareil et procede servant a fabriquer des objets en aluminium, en alliages d'aluminium ou en alliages legers et autres Expired - Lifetime EP1472027B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI20020223 2002-02-07
IT2002MI000223A ITMI20020223A1 (it) 2002-02-07 2002-02-07 Apparecchiatura per la realizzazione di oggetti in alluminio leghe dialluminio leghe leggere e simili
PCT/EP2003/001016 WO2003066254A1 (fr) 2002-02-07 2003-01-31 Appareil servant a fabriquer des objets en aluminium, en alliages d'aluminium ou en alliages legers et autres

Publications (2)

Publication Number Publication Date
EP1472027A1 true EP1472027A1 (fr) 2004-11-03
EP1472027B1 EP1472027B1 (fr) 2005-12-28

Family

ID=11449131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03737299A Expired - Lifetime EP1472027B1 (fr) 2002-02-07 2003-01-31 Appareil et procede servant a fabriquer des objets en aluminium, en alliages d'aluminium ou en alliages legers et autres

Country Status (11)

Country Link
EP (1) EP1472027B1 (fr)
CN (1) CN1298462C (fr)
AT (1) ATE314170T1 (fr)
AU (1) AU2003244478A1 (fr)
BR (1) BR0307545A (fr)
DE (1) DE60303012T2 (fr)
ES (1) ES2256755T3 (fr)
HK (1) HK1077248A1 (fr)
IT (1) ITMI20020223A1 (fr)
TN (1) TNSN04144A1 (fr)
WO (1) WO2003066254A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2080573A2 (fr) 2007-12-21 2009-07-22 Solmar S.a.S. Appareil servant a fabriquer des objets metalliques, en particulier en alliages legers
WO2016185424A1 (fr) * 2015-05-20 2016-11-24 Alustrategy S.R.L. Améliorations apportées à des équipements pour la fabrication d'articles en alliage léger ou similaire
WO2018103789A1 (fr) * 2016-12-05 2018-06-14 Schuler Pressen Gmbh Dispositif de coulée, presse et procédé de coulée d'une pièce et pièce

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20020167A1 (it) * 2002-06-21 2003-12-22 Bbs Riva Spa Attrezzatura per realizzare oggetti in alluminio, leghe di alluminio,leghe leggere e simili, e procedimento attuato da detta attrezzatura
US20050167074A1 (en) * 2003-10-24 2005-08-04 Matteo Mongini Process and machine for producing metal alloy components
ITMI20032186A1 (it) * 2003-11-12 2005-05-13 Claudio Frulla Apparecchiatuira per lo stampaggio di oggetti in alluminio,
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
CN113523230B (zh) * 2021-07-28 2022-06-24 威黎司模具技术（上海）有限公司 一种热流道系统锌合金压铸模

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DE597704C (de) * 1932-04-08 1934-05-29 Josef Polak Verfahren und Vorrichtung zum Betrieb von Pressgussmaschinen
DE3223797C2 (de) * 1982-06-25 1984-04-12 Fen Sagidovič Uljanovsk Abdulin Gießform zur Herstellung von Gußstücken durch Verdrängungsgießen
CN86208247U (zh) * 1986-10-27 1988-03-16 张瑞龙 无浇冒口球墨铸铁球真空压铸设备
IT1231211B (it) * 1989-08-24 1991-11-23 Tva Holding Procedimento per la colata a pressione controllata di metalli fusi, particolarmente leghe leggere di alluminio e di magnesio, e apparecchiatura per la sua esecuzione
DE4109793A1 (de) * 1991-03-26 1992-10-01 Bachmann Giesserei & Formen Verfahren zum giessen von metallen sowie vorrichtung zur durchfuehrung eines solchen verfahrens
JPH07100614A (ja) * 1993-09-30 1995-04-18 Kiriyuu Kikai Kk 竪型加圧鋳造機における注湯方法
BG63426B1 (bg) * 1999-02-01 2002-01-31 Любомир ПЕТКАНЧИН Метод и устройство за леене на детайли
CN1093447C (zh) * 2000-09-27 2002-10-30 张有明 非金属型液锻或挤铸成形工艺及模具
CN2464482Y (zh) * 2000-12-22 2001-12-12 中国科学院金属研究所 一种挤压铸造薄壁半球型铸件的模具
ITMI20010949A1 (it) * 2001-05-09 2002-11-09 Claudio Frulla Apparecchiatura per la realizzazione di puntali per scarpe di sucurezza e simili in alluminio sue leghe e leghe leggere in genere nonche' pr
WO2016083278A1 (fr) * 2014-11-26 2016-06-02 Evonik Röhm Gmbh Composition pharmaceutique ou nutraceutique dotée d'une résistance à l'influence de l'éthanol

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See references of WO03066254A1 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2080573A2 (fr) 2007-12-21 2009-07-22 Solmar S.a.S. Appareil servant a fabriquer des objets metalliques, en particulier en alliages legers
US8210233B2 (en) 2007-12-21 2012-07-03 Solmar S.A.S. Apparatus for manufacturing metal articles, in particular of light alloy
WO2016185424A1 (fr) * 2015-05-20 2016-11-24 Alustrategy S.R.L. Améliorations apportées à des équipements pour la fabrication d'articles en alliage léger ou similaire
KR20180010188A (ko) * 2015-05-20 2018-01-30 알루스트레테지 에스.알.엘. 경합금 등으로 제조된 물품을 제조하기 위한 설비와 관련된 개선물
US10556268B2 (en) 2015-05-20 2020-02-11 Alustrategy S.R.L. Improvements relating to equipment for the manufacture of articles made of light alloy or similar
WO2018103789A1 (fr) * 2016-12-05 2018-06-14 Schuler Pressen Gmbh Dispositif de coulée, presse et procédé de coulée d'une pièce et pièce

Also Published As

Publication number Publication date
WO2003066254A1 (fr) 2003-08-14
ES2256755T3 (es) 2006-07-16
ITMI20020223A1 (it) 2003-08-07
CN1298462C (zh) 2007-02-07
CN1628005A (zh) 2005-06-15
HK1077248A1 (en) 2006-02-10
ATE314170T1 (de) 2006-01-15
EP1472027B1 (fr) 2005-12-28
DE60303012T2 (de) 2006-07-20
BR0307545A (pt) 2005-01-04
ITMI20020223A0 (it) 2002-02-07
DE60303012D1 (de) 2006-02-02
TNSN04144A1 (en) 2007-03-12
AU2003244478A1 (en) 2003-09-02

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