EP2431111A2 - Agencement d'alimentation doté d'une protection contre le débordement - Google Patents

Agencement d'alimentation doté d'une protection contre le débordement Download PDF

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Publication number
EP2431111A2
EP2431111A2 EP11177769A EP11177769A EP2431111A2 EP 2431111 A2 EP2431111 A2 EP 2431111A2 EP 11177769 A EP11177769 A EP 11177769A EP 11177769 A EP11177769 A EP 11177769A EP 2431111 A2 EP2431111 A2 EP 2431111A2
Authority
EP
European Patent Office
Prior art keywords
feeder
feeder body
pool
volume
covering area
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
EP11177769A
Other languages
German (de)
English (en)
Other versions
EP2431111A3 (fr
EP2431111B1 (fr
Inventor
Jürgen Schäfer
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.)
GTP Schaefer Giesstechnishe Produkte GmbH
Original Assignee
GTP Schaefer Giesstechnishe Produkte 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 GTP Schaefer Giesstechnishe Produkte GmbH filed Critical GTP Schaefer Giesstechnishe Produkte GmbH
Publication of EP2431111A2 publication Critical patent/EP2431111A2/fr
Publication of EP2431111A3 publication Critical patent/EP2431111A3/fr
Application granted granted Critical
Publication of EP2431111B1 publication Critical patent/EP2431111B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/088—Feeder heads

Definitions

  • the invention relates to a feeder arrangement for use with a casting mold used in the casting of metals, comprising a feeder insert having a feeder body forming a feeder body of an exothermic and / or insulating material, wherein the feeder body for receiving the flowing from the mold cavity of the mold liquid metal feeder body Side walls, a lid portion and a bottom portion having a feed opening formed therein as a connection to the mold cavity of the mold and in the lid portion a vent for the feeder volume is formed.
  • a feeder insert with the aforementioned features results for example from the DE 20 2007 005 575 U1 ,
  • the feeder insert in the casting process by the inflow of the liquid metal in the feed volume of the feeder insert correspondingly displaced air can escape, is in the Cover region of the feeder body formed a vent opening. It is not excluded that when filling the feeder liquid liquid metal also exits through this vent to the outside.
  • the feeder insert is embedded in a sand mold, such an excess of metal is of no concern since the excess metal spreads on the outside of the sand mold and solidifies here.
  • the feeder insert is placed freely on the upper part of a mold and is not surrounded by a sand bed. In such applications, excess metal leaking over the vent will drain over the outside of the feeder sleeve and come in contact with parts of the mold, which is disadvantageous and therefore undesirable.
  • the invention is therefore based on the object, a feeder arrangement with the generic features in such a way that, especially when using the feeder insert outside a sand mold leakage excess liquid metal is avoided to the outside of the feeder insert.
  • the invention provides in its basic idea that on the outer surface of the lid region of the feeder body, a pool connected to the ventilation opening is arranged for receiving liquid metal exiting from the feeder volume via the ventilation opening.
  • the invention has the advantage that flowing out of the vent opening of the feeder body to the outside liquid metal collects in the formed on the surface of the lid portion pools and so far can not flow to the outside of the feeder body.
  • the design of the volume of the pool is dependent on the casting conditions and can be set arbitrarily in the design of the feeder insert.
  • a retaining element which engages over the outside of the feeder body and is to be fixed to the casting mold is provided, which in turn can be used to form the pool without changing the basic shape of the feeder body.
  • the holding element engages over the lid region of the feeder body with a circumferential holding projection only over a partial region such that the edge surface of the holding attachment forms the pool on the upper side of the lid region of the feeder body.
  • a holding element which engages over the outside of the feeder body and is to be fixed on the casting mold is provided, which completely overlaps the lid region of the feeder body with a lid, the pool on the outer surface of the lid of the holding element is arranged and the lid of the holding element has a aligned with the vent opening of the feeder body through opening.
  • the lid enclosing the feeder body of the holding element prevents the formation of a flame.
  • the pool may consist of a depression formed in the cover on the outside of the cover of the retaining element.
  • the recess enclosing the edge surface of the lid of the holding element further to the formation of a directional opening for the vent opening corresponding inclined course may have, and it may be formed in the recess of the lid of the holding element in the manufacture of the holding element.
  • FIG. 1 results in a feeder assembly forming feeder body 10 of a feeder insert sidewalls 11, a lid portion 12 and a bottom portion 13, wherein within the feeder body 10, a feeder volume 14 is formed, which serves to receive the rising metal from the casting of the metal in the casting mold.
  • the bottom portion 13 of the feeder body 10 has a feeder opening 15 as a connection to the mold cavity, not shown, of the mold.
  • two vents 16 are provided in the illustrated embodiment, which are arranged outside of a concentrically arranged William core 21 projecting from the lid portion 12 into the feeder volume 14.
  • the function of such a William core 21 is known in the art and plays no role in the realization of the present invention.
  • a depression 17 is embedded in the material of the cover region 12, into which the two ventilation openings 16 open.
  • the peripheral edge surface 18 forming the recess 17 is formed with such an inclination that a funnel shape of the recess 17 results, with the funnel tapering in the direction of the vent openings 16 or of the feeder volume 14 formed in the feeder body 10.
  • material ribs 22 still protrude on the outer upper side of the lid region 12, they are caused by the production of the feeder body 10 on a shooting machine in one shot.
  • FIG. 2 illustrated embodiment of a feeder arrangement of the feeder body 10 is enclosed by a holding member 30 and thereby fixed on the mold, not shown, or a mold plate as part thereof.
  • the feeder body 10 itself is not designed to form a pond 20, but is formed in a conventional manner; Such a simple feeder mold is commonly referred to as a feeder cap.
  • the holding member 30 is now used to form a pond 20 by the holding member 30, the lid portion 12 of the feeder body 10 does not completely overlaps, but only with a circumferential holding lug 31, the lid portion 12 of the feeder body 10 only in the outer corner region and so that only overlaps over a partial area of the entire surface of the lid portion 12.
  • the edge surface 32 of the circumferential holding projection 31 forms or delimits the pool 20 on the upper side of the lid region 12 of the feeder body 10.
  • the edge surface 32 of the retaining lug 31 is inclined such that the diameter of the pool 20 enclosed by the edge surface 32 is larger at the lid portion 12 of the feeder sleeve 10 than at the free upper edge of the holding lug 31st
  • FIG. 3 illustrated embodiment of a feeder arrangement differs from the above to FIG. 2 described embodiment, characterized in that the feeder body 10 cross-holding member 40 has a cover portion 12 of the feeder body 10 cross-massive cover 41, in which a aligned with the vent opening 16 of the feeder body 10 through hole 42 is formed.
  • the pool 20 forming depression 17 in the material of the lid 41, into which the passage opening 42 opens as a connection to the feeder volume 14 via the vent opening 16 of the feeder sleeve 10.
  • the peripheral edge surface 18 forming the recess 17 is formed with such an inclination that a funnel shape of the recess 17 results.
  • material ribs 22 protrude on the outer upper side of the lid 41, they are caused by the production of the holding element 40 on a shooting machine in one shot.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
EP11177769.4A 2010-09-16 2011-08-17 Agencement d'alimentation doté d'une protection contre le débordement Active EP2431111B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010012663U DE202010012663U1 (de) 2010-09-16 2010-09-16 Speiseranordnung mit einem Überlaufschutz

Publications (3)

Publication Number Publication Date
EP2431111A2 true EP2431111A2 (fr) 2012-03-21
EP2431111A3 EP2431111A3 (fr) 2017-06-28
EP2431111B1 EP2431111B1 (fr) 2018-08-08

Family

ID=43123429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11177769.4A Active EP2431111B1 (fr) 2010-09-16 2011-08-17 Agencement d'alimentation doté d'une protection contre le débordement

Country Status (2)

Country Link
EP (1) EP2431111B1 (fr)
DE (1) DE202010012663U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112620589A (zh) * 2020-12-18 2021-04-09 陕西法士特汽车传动集团有限责任公司 一种冒口套及基于其的铸造方法
US12290855B2 (en) 2019-01-31 2025-05-06 Chemex Foundry Solutions Gmbh Single-piece feeder body for use in metal casting

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013105617U1 (de) 2013-12-10 2014-09-11 Foseco International Limited Speiseranordnung mit einer Auslaufdichtung
DE102016107278A1 (de) 2016-04-20 2017-10-26 Chemex Gmbh Speisereinsatz mit Sensoröffnung, sowie Speiser-Anordnung, Verwendung und Verfahren
DE202023100381U1 (de) 2023-01-27 2024-01-30 Ask Chemicals Gmbh Speiser mit Deckel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007005575U1 (de) 2007-04-18 2007-06-14 GTP Schäfer Gießtechnische Produkte GmbH Speisereinsatz mit metallisch ummanteltem Bodenbereich

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007005575U1 (de) 2007-04-18 2007-06-14 GTP Schäfer Gießtechnische Produkte GmbH Speisereinsatz mit metallisch ummanteltem Bodenbereich

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12290855B2 (en) 2019-01-31 2025-05-06 Chemex Foundry Solutions Gmbh Single-piece feeder body for use in metal casting
CN112620589A (zh) * 2020-12-18 2021-04-09 陕西法士特汽车传动集团有限责任公司 一种冒口套及基于其的铸造方法

Also Published As

Publication number Publication date
DE202010012663U1 (de) 2010-11-18
EP2431111A3 (fr) 2017-06-28
EP2431111B1 (fr) 2018-08-08

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