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EP1486277B1 - Dispositif pour alimenter du métal en fusion aux dispositifs de coulée - Google Patents

Dispositif pour alimenter du métal en fusion aux dispositifs de coulée Download PDF

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Publication number
EP1486277B1
EP1486277B1 EP03013322A EP03013322A EP1486277B1 EP 1486277 B1 EP1486277 B1 EP 1486277B1 EP 03013322 A EP03013322 A EP 03013322A EP 03013322 A EP03013322 A EP 03013322A EP 1486277 B1 EP1486277 B1 EP 1486277B1
Authority
EP
European Patent Office
Prior art keywords
crucible
pump
cover
discharge pipe
outlet pipe
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.)
Expired - Lifetime
Application number
EP03013322A
Other languages
German (de)
English (en)
Other versions
EP1486277A1 (fr
Inventor
Josef Rapp
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.)
Meltec Industrieofenbau GmbH
Original Assignee
Meltec Industrieofenbau 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
Priority to ES03013322T priority Critical patent/ES2279030T3/es
Application filed by Meltec Industrieofenbau GmbH filed Critical Meltec Industrieofenbau GmbH
Priority to EP03013322A priority patent/EP1486277B1/fr
Priority to AT03013322T priority patent/ATE347953T1/de
Priority to DE50305957T priority patent/DE50305957D1/de
Priority to US10/560,211 priority patent/US7563406B2/en
Priority to CNB2004800165140A priority patent/CN100352580C/zh
Priority to PCT/EP2004/004581 priority patent/WO2004110681A1/fr
Publication of EP1486277A1 publication Critical patent/EP1486277A1/fr
Application granted granted Critical
Publication of EP1486277B1 publication Critical patent/EP1486277B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B22D39/00—Equipment for supplying molten metal in rations
    • B22D39/02—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume
    • B22D39/023—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume using a displacement member
    • 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
    • B22D17/30—Accessories for supplying molten metal, e.g. in rations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00—Equipment for supplying molten metal in rations
    • B22D39/02—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by volume
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
    • F04D7/065—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals for liquid metal

Definitions

  • the invention relates to a device for feeding pouring devices with molten metal according to the preamble of claim 1.
  • a device for feeding molten metal pouring devices comprising a crucible, a dosing pump immersed in the melt and an outlet pipe is known from DE-OS 2,111,462.
  • the crucible is provided with a Zumess matterer, which is connected to the crucible.
  • the inner edge forms an overflow, can be dispensed dosed through the immersion of a force acting in the manner of a plunger metering body the desired amount of melt to the outside.
  • JP 08-033971 A discloses a device of the type mentioned, in which the metering unit is set in total directly on a crucible cover, which extend through corresponding passage openings in the crucible cover the outlet pipe, an axially movable piston skirt and support rods therethrough.
  • the invention is based on the technical problem of designing a device of the type mentioned at the beginning in such a way that simple maintenance and simple adaptation to the caster are possible.
  • the invention solves this problem by providing a device having the features of claim 1.
  • the spout protrudes upwardly through a crucible cover, or more precisely, through a cover flange attachable to the crucible cover, and is pivotally mounted in the crucible cover, i. the cover flange, guided.
  • the outlet pipe is part of a metering unit used in the crucible cover, which also includes the metering pump.
  • the metering pump may be provided with a drive motor disposed outside the crucible cover and only with its pump part, i. So with suction and pressure part, protrude into the melt.
  • the pressure side of the metering pump via a U-shaped connecting pipe with the lower end of the Outlet pipe to be connected, wherein the connecting tube is attached via a bracket to a cover flange which sits on the crucible cover.
  • This cover flange can be provided in an embodiment of the invention with through bushings for the outlet pipe and for the metering pump, so that a crucible insert in the form of a unit is formed, which can be assigned to the crucible from above through the crucible cover in a relatively simple manner.
  • the outlet pipe may be provided in a further embodiment with an approximately halfway up the side kinking outlet nozzle, in which case a supply opening for protective gas is provided in the outlet pipe above the outlet nozzle.
  • This embodiment prevents the withdrawn melt is subjected to the risk of oxidation.
  • the outlet pipe may be provided in the area outside the crucible cover at least to the outlet nozzle with a heat insulation and with a heating device, and in a particularly advantageous embodiment, it is possible to design the connecting pipe with heat-resistant plug-in connections for the pressure side of the metering pump and for the outlet pipe. Namely, this embodiment makes it possible after removal of the crucible insert easy disassembly for the purpose of cleaning the pump, outlet pipe and connecting pipe.
  • a metering unit 1 which is designed as a crucible insert and can be introduced through the upper cover 2 of a crucible 3 in the molten metal 4, the level of which is maintained at level 5 by means not shown.
  • the cover 2 of the crucible 3 is provided in a known manner with an opening 7 closed by a cover 6, through which material to be melted can be topped up.
  • the crucible insert 1 consists, as can be seen in particular from FIGS. 2 and 3, of a lid flange 8 which can be placed on the crucible cover 2 and which has passage openings 31, 32 for a pump tube 11 which can be inserted perpendicularly to the cover flange 8 or for a cover flange which is also perpendicular to the cover flange 8 insertable outlet pipe 12 is provided.
  • the outlet pipe 12 is, as shown in FIGS. 1 and 2, approximately in half height with a kinking and slightly downwardly inclined outlet pipe 13 which forms an overflow edge for the supplied from the pump tube 11 from the melt material at its upper inner edge 13a.
  • the lower end of the outlet pipe 12 is connected via a type of plug connection 14 to a U-shaped connecting tube 15, which in turn is connected via a tubular holder 16 fixed to the cover flange 8.
  • the U-shaped connecting tube 15 has on the side of the pump tube 11 also has a plug-in connection 17, via which it is sealed to the lower end of the pump tube 11.
  • a drive shaft 18 is rotatably mounted, which is displaceable by a drive motor 19 in rotation.
  • the drive shaft 18 is provided at its lower end below a bearing 20 with a pump screw 21 or the like.
  • a plurality of openings 23 are provided in the pump tube 11 distributed over the circumference, through which the melt 4 in the direction of the arrows 24 can enter into the tube interior.
  • the melt is then conveyed through the connecting pipe 15 in the direction of the arrows 25 to the transition edge 13a and from there through the outlet pipe 13 to the pouring device, not shown. It is clear that by an appropriate loading of the drive motor 19 a precisely metered amount of melt can be discharged through the outlet pipe 13.
  • the outlet pipe 12 is provided in the embodiment in the region of the cover flange 8 and up to the height of the outlet nozzle 13 with a jacket 26 of a heat insulation, in which also a heating in the form of electrical heating wires 27 or the like may be arranged.
  • the temperature of the discharged melt can thus be maintained at a certain level until shortly before the transfer to the casting machine.
  • the outlet pipe 12 is provided in the region above the outlet nozzle 13 with a feed nozzle 28 for the supply of a protective gas, so that in this way it can be prevented that the discharged melt on its way through the outlet pipe of the risk Oxidation is subjected.
  • FIG. 3 shows that the outlet pipe 12 and the fixed outlet 13 connected to it in the direction of the arrows 29 is pivotally arranged about the axis 30, which coincides with the axis of the outlet pipe 12.
  • the outlet pipe 12 including heat insulation 26 is pivotally held in the opening 31 of the cover flange 8, which takes place in each case by the arrangement of sleeves 9 or rings 10.
  • the crucible insert 1 which can be used as a complete unit in the crucible 3 and can be fixed by means of its cover flange 8 on the crucible cover 2, from relatively easy to assemble, but also disassembled items exists, which on the one hand allow a simple construction of the dosing unit, on the other hand also easy maintenance and cleaning.
  • a great advantage of this embodiment is that a change of the crucible itself is not necessary or only with respect to its cover. In the pump itself, no change in the melt level occurs during the pumping process. After overcoming the difference in height in the outlet pipe 12 between the level 5 and the transition edge 13a, the targeted dosing can take place. This outlet pipe 12 can, as Figs. 4 and 5 can be removed, easily disassemble for maintenance and clean.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (8)

  1. Dispositif d'introduction de métal en fusion dans des systèmes de coulée, avec
    - un creuset à fonte (3) et une unité de dosage (1) qui comprend une pompe de dosage (21, 23) avec une partie plongeant dans le creuset à fonte, et un tuyau d'écoulement (12),
    caractérisé en ce
    - que l'unité de dosage (1) est conçue sous forme d'insert de creuset présentant une bride d'obturation (8) pouvant être fixée à un couvercle (2) du creuset à fonte (3), sachant que la partie de la pompe plongeant dans le creuset à fonte (3) comprend un tuyau de pompe (11) qui s'étend à travers une ouverture de passage (32) correspondante de la bride d'obturation et est relié au tuyau d'écoulement (12), et que le tuyau d'écoulement (12) est conduit de telle manière dans une ouverture de passage correspondante (31) de la bride d'obturation qu'il peut être pivoté.
  2. Dispositif selon la revendication 1, caractérisé en ce que la pompe de dosage est pourvue d'un moteur d'entraînement (19) disposé en dehors du couvercle du creuset (2).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le côté de refoulement de la pompe de dosage est relié à l'extrémité inférieure du tuyau d'écoulement (12) par l'intermédiaire d'un tuyau de raccordement (15) en forme de U.
  4. Dispositif selon la revendication 3, caractérisé en ce que le tuyau de raccordement (15) est fixé à la bride d'obturation (8) à l'aide d'un support de fixation (16).
  5. Dispositif selon une des revendications 1 à 4, caractérisé en ce que le tuyau d'écoulement (12) est pourvu environ à mi-hauteur d'un raccord d'écoulement (13) se projetant sur le côté.
  6. Dispositif selon la revendication 5, caractérisé en ce qu'une ouverture d'alimentation (28) pour l'introduction de gaz protecteur est prévue dans le tuyau d'écoulement (12) au-dessus du raccord d'écoulement (13).
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que le tuyau d'écoulement (12) est pourvu, dans la zone se trouvant au-dessus du couvercle du creuset (2) et au moins jusqu'au raccord d'écoulement (13), d'une isolation thermique (26) et/ou d'un dispositif de chauffe (27).
  8. Dispositif selon une des revendications 3 à 7, caractérisé en ce que le tuyau de raccordement (15) est équipé de raccords enfichables (17 et 14) résistants à la chaleur pour le côté de refoulement de la pompe de dosage (17, 18) et le tuyau d'écoulement (12).
EP03013322A 2003-06-13 2003-06-13 Dispositif pour alimenter du métal en fusion aux dispositifs de coulée Expired - Lifetime EP1486277B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP03013322A EP1486277B1 (fr) 2003-06-13 2003-06-13 Dispositif pour alimenter du métal en fusion aux dispositifs de coulée
AT03013322T ATE347953T1 (de) 2003-06-13 2003-06-13 Vorrichtung zum beschicken von giesseinrichtungen mit metallschmelze
DE50305957T DE50305957D1 (de) 2003-06-13 2003-06-13 Vorrichtung zum Beschicken von Giesseinrichtungen mit Metallschmelze
ES03013322T ES2279030T3 (es) 2003-06-13 2003-06-13 Dispositivo para alimentar masa fundida metalica a dispositivos de colada.
US10/560,211 US7563406B2 (en) 2003-06-13 2004-04-30 Device for supplying casting installations with molten metal
CNB2004800165140A CN100352580C (zh) 2003-06-13 2004-04-30 用于向铸造设备填充金属熔液的装置
PCT/EP2004/004581 WO2004110681A1 (fr) 2003-06-13 2004-04-30 Dispositif d'introduction de fonte metallique dans des systemes de coulee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03013322A EP1486277B1 (fr) 2003-06-13 2003-06-13 Dispositif pour alimenter du métal en fusion aux dispositifs de coulée

Publications (2)

Publication Number Publication Date
EP1486277A1 EP1486277A1 (fr) 2004-12-15
EP1486277B1 true EP1486277B1 (fr) 2006-12-13

Family

ID=33185893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03013322A Expired - Lifetime EP1486277B1 (fr) 2003-06-13 2003-06-13 Dispositif pour alimenter du métal en fusion aux dispositifs de coulée

Country Status (7)

Country Link
US (1) US7563406B2 (fr)
EP (1) EP1486277B1 (fr)
CN (1) CN100352580C (fr)
AT (1) ATE347953T1 (fr)
DE (1) DE50305957D1 (fr)
ES (1) ES2279030T3 (fr)
WO (1) WO2004110681A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7563406B2 (en) 2003-06-13 2009-07-21 Meltec Industriofenbau GmbH Device for supplying casting installations with molten metal
EP2283950A1 (fr) 2009-08-12 2011-02-16 Strikowestofen Gmbh Procédé et dispositif de dosage de métal fondu

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1795283A1 (fr) 2005-12-06 2007-06-13 Meltec Industrieofenbau GmbH Equipement d'alimentation de machines de fonderie en metal liquide
CN101337271B (zh) * 2007-07-08 2012-10-10 福建迪创投资有限公司 一种金属熔炼、传送和精确定量给汤的铸造工艺及其装置
EP2443319B1 (fr) * 2009-06-16 2020-01-15 Pyrotek, Inc. Système de transfert de tourbillon de débordement
CN103249860B (zh) * 2010-12-13 2016-03-16 Posco公司 连续涂布设备
CN102139366B (zh) * 2011-01-13 2012-10-31 河南中色赛尔工业炉有限公司 高温金属液体柔性转注接头
CN102909357A (zh) * 2012-10-31 2013-02-06 重庆硕龙科技有限公司 一种轻合金熔体的定量浇注方法
CN103831424A (zh) * 2014-03-26 2014-06-04 深圳市鼎正鑫科技有限公司 铝合金液自动定量浇注泵
US10126060B2 (en) 2015-05-01 2018-11-13 Opta Minerals Inc. Lance drive system
KR101879815B1 (ko) * 2016-03-18 2018-07-19 주식회사 고려다이캐스팅기계 금속 용탕 펌핑장치
CN106089733A (zh) * 2016-08-01 2016-11-09 江苏胜达科技有限公司 硼砂溶液循环泵
CN115383084A (zh) * 2021-10-12 2022-11-25 江苏三条鱼新材料科技有限公司 一种柱塞式铝汤计量泵

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3179289B2 (ja) * 1994-07-22 2001-06-25 宇部興産株式会社 マグネシウム給湯装置
US5944496A (en) * 1996-12-03 1999-08-31 Cooper; Paul V. Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection
CN2428243Y (zh) * 2000-06-15 2001-05-02 林利坤 压铸成型机熔炉
JP2002144013A (ja) * 2000-11-15 2002-05-21 Toyo Mach & Metal Co Ltd ダイカスト装置
ITTO20010288A1 (it) * 2001-03-27 2002-09-27 Teksid Spa Apparecchiatura per il trasferimento di metalli liquidi da un contenitore di prelievo ad un contenitore di raccolta.
ATE347953T1 (de) * 2003-06-13 2007-01-15 Meltec Industrieofenbau Gmbh Vorrichtung zum beschicken von giesseinrichtungen mit metallschmelze

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7563406B2 (en) 2003-06-13 2009-07-21 Meltec Industriofenbau GmbH Device for supplying casting installations with molten metal
EP2283950A1 (fr) 2009-08-12 2011-02-16 Strikowestofen Gmbh Procédé et dispositif de dosage de métal fondu
DE102009037368A1 (de) 2009-08-12 2011-02-17 Strikowestofen Gmbh Verfahren und Vorrichtung zum Dosieren von geschmolzenem Metall

Also Published As

Publication number Publication date
DE50305957D1 (de) 2007-01-25
ES2279030T3 (es) 2007-08-16
US7563406B2 (en) 2009-07-21
ATE347953T1 (de) 2007-01-15
WO2004110681A1 (fr) 2004-12-23
CN1805809A (zh) 2006-07-19
US20070074844A1 (en) 2007-04-05
EP1486277A1 (fr) 2004-12-15
CN100352580C (zh) 2007-12-05

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