EP2106312B1 - Procédé d'aspersion de moule - Google Patents

Procédé d'aspersion de moule Download PDF

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Publication number
EP2106312B1
EP2106312B1 EP07845641A EP07845641A EP2106312B1 EP 2106312 B1 EP2106312 B1 EP 2106312B1 EP 07845641 A EP07845641 A EP 07845641A EP 07845641 A EP07845641 A EP 07845641A EP 2106312 B1 EP2106312 B1 EP 2106312B1
Authority
EP
European Patent Office
Prior art keywords
mold
spraying
casting
halves
mould
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.)
Active
Application number
EP07845641A
Other languages
German (de)
English (en)
Other versions
EP2106312A1 (fr
Inventor
Benno Niedermann
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.)
Buehler Druckguss AG
Original Assignee
Buehler Druckguss AG
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 Buehler Druckguss AG filed Critical Buehler Druckguss AG
Publication of EP2106312A1 publication Critical patent/EP2106312A1/fr
Application granted granted Critical
Publication of EP2106312B1 publication Critical patent/EP2106312B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2007—Methods or apparatus for cleaning or lubricating moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/32—Controlling equipment

Definitions

  • the invention relates to a method for spraying a casting mold, in particular a die-casting mold after ejecting a cast part.
  • split molds that are closed during the casting process are used.
  • a molten or partially liquid, metallic material is introduced into the casting mold under pressure, which solidifies in the mold.
  • the mold is opened and it can be removed.
  • a sprayer is retracted into the mold and it is successively sprayed the molding surfaces of the fixed and the movable mold half and subsequently blown out. Then the mold can be closed again to start the next casting cycle.
  • the spraying agent serves both as a coolant and as a release agent.
  • the cooling and separating agent is positioned in front of the mold wall to be sprayed, taking into account certain distances, periods and pressures. Analogously, this also applies to a sufficient separation effect.
  • the mold is cleaned by blowing out the mold with the cooling and separating agent and the agent can continue to lubricate moving parts.
  • Such sprayers can also be modular (see DE-A-4336250 or EP-A-1468747 ).
  • a heat extraction element is placed between the opened mold halves, so that after a partial closure of the mold attach the mold walls to this element to extract heat from the mold. In a separate step, the mold is sprayed.
  • the invention is based on the object to develop a method for spraying a mold, in particular the mold halves of a die-casting mold, with which a further improvement and simplification of the spraying process can be achieved.
  • a die casting machine comprises a split mold with a fixed and a movable mold half.
  • the mold halves have recesses which, in the closed state of the mold, result in a closed mold cavity corresponding to the shape of the cast part.
  • the mold cavity is filled with molten metal under pressure by means of customary filling devices, which solidifies in the mold cavity.
  • the mold is opened and the casting is removed or ejected.
  • a sprayer enters the space between the open mold halves, whereupon the mold is closed by a defined stroke.
  • a cooling and release agent is applied to both mold halves simultaneously and both sides are blown out together. Thereafter, the mold is fully opened again and the sprayer can extend.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Casting Devices For Molds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Claims (2)

  1. Procédé de pulvérisation d'un moule de coulée, des moitiés de moule d'un moule de coulée sous pression, par introduction d'un appareil de pulvérisation dans le moule de coulée complètement ouvert, respectivement entre les moitiés de moule ouvertes, caractérisé en ce que
    - le moule de coulée est fermé d'une distance définie après l'introduction de l'appareil de pulvérisation,
    - ensuite les deux moitiés du moule sont soufflées, ensuite un fluide de refroidissement et de séparation est pulvérisé sur les moitiés du moule,
    - puis le moule de coulée est à nouveau complètement ouvert et l'appareil de pulvérisation est ressorti, et
    - le moule de coulée est ensuite complètement fermé.
  2. Procédé selon la revendication 1, caractérisé en ce que le fluide de refroidissement et de séparation est pulvérisé simultanément sur les deux moitiés de moule.
EP07845641A 2006-12-29 2007-12-20 Procédé d'aspersion de moule Active EP2106312B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006062558A DE102006062558A1 (de) 2006-12-29 2006-12-29 Verfahren zum Sprühen einer Giessform
PCT/CH2007/000644 WO2008080242A1 (fr) 2006-12-29 2007-12-20 Procédé d'aspersion de moule

Publications (2)

Publication Number Publication Date
EP2106312A1 EP2106312A1 (fr) 2009-10-07
EP2106312B1 true EP2106312B1 (fr) 2011-10-26

Family

ID=39247133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07845641A Active EP2106312B1 (fr) 2006-12-29 2007-12-20 Procédé d'aspersion de moule

Country Status (4)

Country Link
EP (1) EP2106312B1 (fr)
AT (1) ATE530273T1 (fr)
DE (1) DE102006062558A1 (fr)
WO (1) WO2008080242A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336250A1 (de) 1993-10-23 1995-04-27 Wotec Automationssysteme Gmbh Sprühblock eines Sprühwerkzeugs
DE19810032A1 (de) * 1998-03-09 1999-09-16 Acheson Ind Inc Verfahren und Vorrichtung zum Vorbereiten der Formwandungen einer Form zur Urformung bzw. Umformung auf den nächstfolgenden Formungszyklus, Sprühelement mit Zentrifugalzerstäubung und Luftführung und Verwendung eines derartigen Sprühelements zum Versprühen im wesentlichen lösungsmittelfreien Formwandbehandlungsmittels
DE19911374A1 (de) 1998-03-13 1999-11-18 Wotec Automationssysteme Gmbh Sprühvorrichtung für Gießformen
DE10309930A1 (de) 2003-03-07 2004-09-23 Daimlerchrysler Ag Verfahren zur Konfigurierung eines an eine Gießform angepaßten Sprühsystems zur Kühlung der Gießform
DE50302494D1 (de) 2003-04-19 2006-04-27 Frech Oskar Gmbh & Co Kg Sprühkopf für ein Sprühwerkzeug
JP4866083B2 (ja) * 2005-12-26 2012-02-01 東芝機械株式会社 ダイカストマシンにおける離型剤のスプレイ方法及びその装置

Also Published As

Publication number Publication date
EP2106312A1 (fr) 2009-10-07
DE102006062558A1 (de) 2008-07-03
ATE530273T1 (de) 2011-11-15
WO2008080242A1 (fr) 2008-07-10

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