EP0894557B2 - Verfahren zum Formgiessen und Giessform für ein solches Verfahren - Google Patents

Verfahren zum Formgiessen und Giessform für ein solches Verfahren Download PDF

Info

Publication number: EP0894557B2
Authority: EP; European Patent Office
Prior art keywords: casting; vertical channel; plunger; channel; casting mould
Prior art date: 1997-08-01
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.): Expired - Lifetime

Application number

EP98104851A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP0894557B1 (de

EP0894557A1 (de

Inventor

Herbert Dipl.-Ing. Grolla

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.)

Heinrich Wagner Sinto Maschinenfabrik GmbH

Original Assignee

Heinrich Wagner Sinto Maschinenfabrik 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.)

1997-08-01

Filing date

1998-03-18

Publication date

2006-09-06

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27430162&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0894557(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1998-03-18 Application filed by Heinrich Wagner Sinto Maschinenfabrik GmbH filed Critical Heinrich Wagner Sinto Maschinenfabrik GmbH

1999-02-03 Publication of EP0894557A1 publication Critical patent/EP0894557A1/de

2002-04-24 Application granted granted Critical

2002-04-24 Publication of EP0894557B1 publication Critical patent/EP0894557B1/de

2006-09-06 Publication of EP0894557B2 publication Critical patent/EP0894557B2/de

2018-03-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000005266 casting Methods 0.000 title claims abstract description 56
238000000034 method Methods 0.000 title claims abstract description 10
239000004576 sand Substances 0.000 claims abstract description 11
230000000630 rising effect Effects 0.000 claims description 4
238000000465 moulding Methods 0.000 claims description 2
239000012768 molten material Substances 0.000 claims 8
238000006073 displacement reaction Methods 0.000 claims 2
239000000155 melt Substances 0.000 abstract 3
238000005429 filling process Methods 0.000 abstract 1
239000003110 molding sand Substances 0.000 description 16
239000000463 material Substances 0.000 description 5
150000001875 compounds Chemical class 0.000 description 4
244000261422 Lysimachia clethroides Species 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000013011 mating Effects 0.000 description 1
238000004080 punching Methods 0.000 description 1

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- 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
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners

Definitions

the invention relates to a method for pouring a mold having a mold box from below in increasing casting with a casting from a casting container through a riser channel, which is formed for the inflow of rising from below into the mold casting compound in the molding sand of the mold, wherein immediately interrupted after completion of the filling of the mold, the riser channel in the region of the molding sand and thus closed so that the mold is separable from the casting container.
the invention has for its object to enable the application of the known Verschplitechnik when casting a mold box having a mold from below in increasing casting with a casting material from a casting container through a riser.
the riser By shaped in the molding sand, reaching into the vicinity of the riser punch channel, which is oriented transversely to the axis of the riser, the riser can be securely shut off because a defined molding sand area is inserted through the punch in the riser.
a plug is arranged in the punch channel, which ensures that the punch channel remains closed even after the closing of the riser.
the discharge pressure is placed on the surface of the casting, so that the desired continuous. Working process is achieved because the mold can now be replaced immediately.
a particularly advantageous embodiment of the invention undergoes the casting process when the casting material in the casting container is exposed on its surface to a pneumatic delivery pressure and the casting material by at least one immersed in the casting compound, vertical riser and by the aligned with the riser and with this a common Riser is pressed for the inflow of the casting material forming riser into the mold located above the riser.
the entire riser extends perpendicularly and is accessible in the region of the riser channel of a constriction made in the casting mold.
a mold 1, 2 consists of two vertically divided mold halves 1 and 2 with a molding sand enclosed mold cavity 3, in which a central, directed vertically downwards, formed in the molding sand riser 4 opens; the riser channel 4 with a best circular cross-section ends on the other hand at the free end face 10 of a likewise vertically running riser 8, which is aligned with the riser channel 4 and forms with it a permeable for a casting compound 7 riser 4, 8 as long as the mold. 1 , 2 is placed on a casting container 5, 6.
the casting container 5, 6 is composed of a crucible 6 and a patch on the crucible 6 head piece 5, which closes the crucible 6 tight and except the centrally arranged riser 8 still has a pipe socket 9, both above the surface 11 of the in the Crucible 6 located liquid casting 7 end.
the pipe socket serves. 9 for the flow connection of the casting container 5, 6 with a compressed air source.
a hydraulic piston motor 12 is installed, the plunger 13 in a direction perpendicular to the axis of the riser channel 4 in the direction 14 Casting mold 1, 2 is movable and thereby exerts a stamping pressure on the molding sand therein.
the plunger 13 exerts its stamping force directly on the mold sand 1, 2 completely filling and only the mold cavity 3 and the riser channel 4 free molding sand, wherein the plunger 13 (Fig. 2) after the casting so far into the mold 1, 2 is retracted until the riser channel 4 is interrupted by compacted and pressed in its cross section molding sand and so a backflow of the filled already in the mold cavity 3 molding compound 7 is prevented.
the first diametrically opposed plunger can be provided to also charge on the opposite side of the mold 1, 2 the molding sand accordingly and in this way to be able to constrict the riser 4 from two sides.
a punch channel 15 or 16 is formed in the casting mold 1, 2, which is adapted in the direction 14 and in its cross section to the plunger 13 and up to the riser channel 4 (FIG 4) or beyond (FIGS. 5, 6).
the punch channel 15 alone can serve to facilitate the work of the plunger 13, in the arrangement of Fig. 4, a plug 17 is inserted into a mating punch channel 16, from the plunger 13 to the closure of the riser 4 is displaceable.
a plug 17 is inserted into a mating punch channel 16, from the plunger 13 to the closure of the riser 4 is displaceable.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Casting Devices For Molds (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Mold Materials And Core Materials (AREA)
Molds, Cores, And Manufacturing Methods Thereof (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

EP98104851A 1997-08-01 1998-03-18 Verfahren zum Formgiessen und Giessform für ein solches Verfahren Expired - Lifetime EP0894557B2 (de)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
DE19733485A DE19733485A1 (de)	1997-08-01	1997-08-01	Verfahren zum Formgießen und Gießform für ein solches Verfahren
DE19733485		1997-08-01
CZ19984016A CZ9804016A3 (cs)	1997-08-01	1998-12-07	Způsob lití do forem a licí forma pro takovýto způsob
US09/217,709 US6305460B1 (en)	1997-08-01	1998-12-21	Method for casting
JP10374685A JP2000197960A (ja)	1997-08-01	1998-12-28	鋳造方法およびこの方法のための鋳型

Publications (3)

Publication Number	Publication Date
EP0894557A1 EP0894557A1 (de)	1999-02-03
EP0894557B1 EP0894557B1 (de)	2002-04-24
EP0894557B2 true EP0894557B2 (de)	2006-09-06

Family

ID=27430162

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98104851A Expired - Lifetime EP0894557B2 (de)	1997-08-01	1998-03-18	Verfahren zum Formgiessen und Giessform für ein solches Verfahren

Country Status (8)

Country	Link
US (1)	US6305460B1 (es)
EP (1)	EP0894557B2 (es)
JP (1)	JP2000197960A (es)
AT (1)	ATE216642T1 (es)
CZ (1)	CZ9804016A3 (es)
DE (2)	DE19733485A1 (es)
ES (1)	ES2173522T5 (es)
PL (1)	PL327479A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
HU223609B1 (hu) *	1999-01-28	2004-10-28	Disa Industries A/S	Eljárás és berendezés vas- vagy nehézfém-öntvények formázósoron történő előállítására
DE19920267A1 (de) *	1999-05-03	2000-11-09	Wagner Heinrich Sinto Masch	Verfahren und Vorrichtung zum Füllen von Gießformen mit flüssigen Metallen
US6644381B1 (en) *	1999-07-02	2003-11-11	International Engine Intellectual Property Company, Llc	Casting method and apparatus
DE19935357C1 (de) *	1999-07-29	2001-05-10	Wagner Heinrich Sinto Masch	Gießeinrichtung für eine Gießereiformanlage
EP1243360B1 (en)	1999-10-15	2003-06-25	Loramendi, S.A.	Metal casting method in green sand molds and blocking device for the runner
DE19953402A1 (de) *	1999-11-06	2001-05-10	Wagner Heinrich Sinto Masch	Verfahren und Vorrichtung zum Herstellen und Abgießen einer aus zwei Formhälften bestehenden Gießform
DE102009039595B4 (de) *	2009-09-01	2020-10-15	Daimler Ag	Niederdruckgießvorrichtung
CN102211166A (zh) *	2010-04-02	2011-10-12	中煤张家口煤矿机械有限责任公司	铸铝件砂模低压铸造成型工艺
CN114210932B (zh) *	2022-02-21	2022-04-22	龙口市和义机械配件有限公司	一种加快铁水流速的浇道优化结构及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3905419A (en) *	1970-09-29	1975-09-16	Gravicast Patent Gmbh	Device for rise casting into a mold
GB1410770A (en) *	1971-12-03	1975-10-22	Dimo Holdings	Methods and apparatus for casting metal
EP0615476B1 (en) *	1991-12-07	1999-04-21	Alloy Technologies Limited	Casting of light metal alloys
RU2127172C1 (ru) *	1994-05-27	1999-03-10	Георг Фишер Диса А/С	Способ закрытия входа в литейную форму после неграфитационного литья нежелезного сплава в сырые литейные формы рядной устанвоки (варианты)

1997
- 1997-08-01 DE DE19733485A patent/DE19733485A1/de not_active Withdrawn
1998
- 1998-03-18 DE DE59803900T patent/DE59803900D1/de not_active Expired - Lifetime
- 1998-03-18 ES ES98104851T patent/ES2173522T5/es not_active Expired - Lifetime
- 1998-03-18 EP EP98104851A patent/EP0894557B2/de not_active Expired - Lifetime
- 1998-03-18 AT AT98104851T patent/ATE216642T1/de not_active IP Right Cessation
- 1998-07-14 PL PL98327479A patent/PL327479A1/xx unknown
- 1998-12-07 CZ CZ19984016A patent/CZ9804016A3/cs unknown
- 1998-12-21 US US09/217,709 patent/US6305460B1/en not_active Expired - Lifetime
- 1998-12-28 JP JP10374685A patent/JP2000197960A/ja active Pending

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Brockhaus Naturwissenschaften und Technik, Bd. 2, Mannheim 1989, Seiten 204-206 †
Dubbel Taschenbuch für den Maschinbau, 18. Auflage, Berlin/Heidelberg, 1995, Seite S10 †

Also Published As

Publication number	Publication date
US6305460B1 (en)	2001-10-23
ES2173522T3 (es)	2002-10-16
ATE216642T1 (de)	2002-05-15
CZ9804016A3 (cs)	2001-08-15
DE19733485A1 (de)	1999-02-04
JP2000197960A (ja)	2000-07-18
EP0894557B1 (de)	2002-04-24
DE59803900D1 (de)	2002-05-29
PL327479A1 (en)	1999-02-15
EP0894557A1 (de)	1999-02-03
ES2173522T5 (es)	2007-05-01

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Publication	Publication Date	Title
DE3036233C2 (de)	1984-05-24	Entgasunsvorrichtung für eine Druckgießform
EP0374346B1 (de)	1993-05-19	Nadelverschlussdüse für Spritzgiessformen
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DE3941831C1 (es)	1990-10-18
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DE3629696C2 (es)	1989-01-19
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CH620844A5 (en)	1980-12-31	Device for ejecting the punching waste or punched part by means of compressed air
DE19916250A1 (de)	1999-10-21	Form zur Verwendung in einem gasunterstützten Spritzgußsystem und Ausstoßstift-Untersystem mit einem Spaltstift zur Verwendung in diesem
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DE2933869A1 (de)	1980-11-13	Verfahren und vorrichtung zum giessen einer unterkastenform
EP0577632B1 (de)	1995-06-07	Verfahren zum giessen von metallen sowie vorrichtung zur durchführung eines solchen verfahrens
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DE3809130A1 (de)	1989-10-05	Formteil zur herstellung von formen fuer giessereizwecke mittels eines formstoffs, insbesondere kernkasten
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