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EP0976476A1 - Procédé et dispositif de coulée par contre gravité de métaux légers - Google Patents

Procédé et dispositif de coulée par contre gravité de métaux légers Download PDF

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Publication number
EP0976476A1
EP0976476A1 EP99109846A EP99109846A EP0976476A1 EP 0976476 A1 EP0976476 A1 EP 0976476A1 EP 99109846 A EP99109846 A EP 99109846A EP 99109846 A EP99109846 A EP 99109846A EP 0976476 A1 EP0976476 A1 EP 0976476A1
Authority
EP
European Patent Office
Prior art keywords
conveyor
gate
casting
mold
closure
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.)
Withdrawn
Application number
EP99109846A
Other languages
German (de)
English (en)
Inventor
Norbert Damm
Herbert Zulauf
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.)
Disa Industries AS
Original Assignee
Georg Fischer Disa 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 Georg Fischer Disa AG filed Critical Georg Fischer Disa AG
Publication of EP0976476A1 publication Critical patent/EP0976476A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • B22D47/00—Casting plants

Definitions

  • the invention relates to a method with the features the preamble of claim 1 and a device with the features of the preamble of claim 10.
  • Plug-like closures (WO 93/11892) or cooling plates pushed in front of the gate (WO 94/25200). These closures or cooling plates require however, separate precautions in the area of the casting station. With large sand molds that can only be handled with transport pallets these systems largely separate out.
  • the invention has for its object a method and propose a device with which independently regardless of the type of funding of the forms the size of which achieves high mold performance when casting and also a high quality standard for the casting is fulfilled.
  • the shape of the Conveyor line linearly shifted into the casting station and back and from its underside over the one that ends there Sprue filled. It can be in the casting station as Closure a stationary cooling plate can be arranged over the mold is pushed back into the conveyor line so that the sprue is constantly cooled and the melt solidifies.
  • the shape is preferably based on the conveyor line moved a casting table with a heat-dissipating plate, through which the gate to the riser pipe can be connected.
  • the shape of the conveyor line by about Tilted 90 ° into the casting station, then approximately vertically at it standing top from the side over there mouth pouring filled, the pouring with a closure provided and the closed form in the conveyor line is tilted back into a horizontal position.
  • This version has the advantage that the shape of its Top is filled here, so that after tilting back Form in the conveyor line in which it is again a horizontal Takes the position, the gate with the last fed Melt forms the feeder.
  • the shape is a little more than 90 °, e.g. Is tilted 100 ° into the casting station. This facilitates the connection of the riser and the melt will shape slightly repressed.
  • the invention proceeds from a device for increasing pouring of light metal in sand or permanent molds, with one the forms with a horizontal division plane transporting conveyor with a casting station a melting furnace and one immersed in the melt Riser pipe, on the outside of the melting furnace lying end, the mold can be connected with its sprue are, and with a closing of the gate after filling Closure.
  • Such a device is distinguished according to the invention characterized in that the casting station laterally next to the Arranged sponsors and a facility for relocating each a form from the conveyor to the casting station and back is provided and that the gate at least during the Moving the mold from the casting station to the conveyor is closed.
  • this device is like this trained that at the casting station with a casting table a cooling plate that forms a good heat conductor Plate is arranged and that the shape by means of a Linear drive is movable over the plate, the A breakthrough plate for connecting the sprue of the plate Has shape to the riser.
  • the casting table is used as a transport base a plate that forms it as Cooling plate used, which is only a breakthrough for has the riser.
  • the shape comes with its pouring positioned over the breakthrough and, if necessary, after Opening a closure on the riser pipe with the melt filled with increasing.
  • the closure on the riser in the closed position brought and then the form over the Pushing the casting table back into the conveyor line, whereby the casting table or a correspondingly trained plate keep the gate closed and cool at the same time, so that the melt solidifies in the sprue.
  • the closure and the cooling is therefore solely due to the pushing movement of the Form realized.
  • the displacement is sufficient if the gate at the area of the casting table distant from the conveyor is arranged from to the melt as far as solidify that the shape passed back to the conveyor can be. If necessary, the casting table or the Plate of the casting table an additional forced cooling exhibit.
  • the inventive design of the device gives also the possibility that the casting table with a Tilt drive to tilt the mold upwards from the gate is provided increasing. This will ensure good mold filling reached and the formation of voids on the otherwise horizontal Form surfaces prevented.
  • the casting table and the melting furnace preferably form a unit that can be moved parallel to the conveyor is.
  • the Transport pallets lie on top, closes the plate of the Casting table flush with the top of the transport pallet and the mold is pulled off this on the casting table or deported.
  • the transport pallet at the casting station from the conveyor into one flush with the casting table subsequent position can be raised. This is a particularly good, bumpless transition guaranteed.
  • the Transport pallets to be well heat-conductive to after pushing the mold onto the transport pallet to allow the gate to cool further.
  • Another embodiment of the device stands out characterized in that the mold on the top of the gate and that the means for moving the form a receptacle that clamps the shape with a tilt drive has, by means of which the form from the conveyor into the casting station can be tilted by about 90 ° in which it The sprue can be connected to the riser pipe approximately horizontally, and that the intake is a sprue after filling the Form-locking closure has.
  • This embodiment has, as already in connection with described the procedural solution, the advantage that the gate after the mold tilts back the feeder forms the feeder and the hottest melt for dining the form is available.
  • the tilting movement enabling inclusion can be in the simplest Be a kind of frame or cage in which the Molds are retracted on the conveyor.
  • the frame points Means for clamping the mold to the mold in the Tilt the pouring station and tip it back after filling to be able to.
  • the closure is arranged on the frame, order after filling the mold before pouring as Lock to be moved. The lock remains in its position until the mold tilts back onto the conveyor is and will be when releasing from the clamping of Sprue, which now forms the feeder, removed. He is so integrated component of the recording.
  • the shape is expedient with the inclusion of something more than 90 °, e.g. tiltable by 100 °, also in the area to get a slope for the melt.
  • Another embodiment of the device according to the invention is characterized in that the form on their Top has the gate, and that the device to move the shape a picture that spans the shape with a reversing drive, by means of which the shape is rotatable by 180 ° from the conveyor into the casting station, in with the sprue about vertical to the riser is connectable, and that the recording is a pouring after closing the mold has a closure.
  • This embodiment offers that already in connection advantage explained with the method that the sprue forms the feeder after turning back on the conveyor.
  • the closure can also have another function here, namely to fulfill the cooling. Both functions are only effective as long as the form does not return to its final horizontal position is located on the conveyor.
  • the conveyor preferably points in the area of the Pouring station on an interrupted section, the can be clamped together with the shapes in the holder and is shiftable to the casting station. Change the shapes not their position in relation to the sponsor because the interrupted section clamped in the recording becomes a part and after resetting the shape of the conveyor forms, so that the filled forms easily can be transported on the conveyor.
  • the arranged on the recording if necessary cooling closure when clamping the shape to the Molded casting surface can be put on after filling the shape is movable over the gate and the Maintains the closed position until the shape on the conveyor is detached from the recording.
  • the closure can be designed as a plate and to which the Arranging parts of the receptacle arranged be so that he is in a standby position with the clamping movement gets out of it after filling the shape is slidable in the closed position he then maintains until the shape is back on the conveyor of the recording is resolved.
  • the device is furthermore of advantage if the melting furnace with the riser is parallel and transverse to the conveyor to the Docking the riser pipe to the specified position Shape in two mutually perpendicular coordinates to enable.
  • the riser pipe is gimballed on the melting furnace.
  • the riser has a closure at its sprue-side end which has the melt column after each pouring cycle shears off and the mouth of the riser pipe is flush completes.
  • a closure is the subject of unpublished German patent application 198 07 623.
  • a particularly advantageous embodiment of the closure is designed as a piston lock.
  • the riser angled and has one with the sprue aligned section by a piston as a closure is movable.
  • the piston is between a transition in the open position releasing the angled section and a closed position flush with the mouth movable.
  • FIG. 1 In the drawings is an embodiment for large, boxed forms 1 shown, consisting of a lower box 2 and an upper box 3 exist.
  • the forms 1 sit on transport pallets 4, which are equipped with board rollers are and on a conveyor 5 in the form of a rail track to run.
  • a pouring station 6 Is located on the side next to the conveyor a pouring station 6, at which a melt container 7 a lifting table 8 is arranged.
  • the melt container 7 can also be moved perpendicular to the plane of the drawing.
  • a casting table 9 is also arranged at the casting station 6, the one together with the melt container 7 Forms unit and has a plate 10 on the top.
  • the plate 10 has on the side remote from the conveyor 5 an opening 11 in which a riser pipe 12th opens, which dips into the melt in the melt container 7.
  • this is Riser pipe 12 arranged inclined and in the vertical angled, the angled part of a cylinder 13 of a closure is formed, which continues a pneumatically or hydraulically operated piston 14 leads. Closes in the position shown in FIG. 1 the piston 14 the riser pipe 12 and otherwise closes flush with the plate 10.
  • the riser pipe is on a cardan joint 15 Melt container 7 stored so that the riser itself or the closure 13, 14 is spatially movable.
  • a device 17 for Moving the forms 1 arranged in the shown Embodiment consists of a long-stroke cylinder, the one with a gripper 18 with the lower box 2 Form 1 can be engaged. The following is described the operation of the device:
  • the forms 1 resting on the transport pallet 4 become at the casting station 6 by means of lifting cylinders 19 from the Rail conveyor 5 lifted off until the transport pallet 4 flush with the plate 10 of the casting table 9 connects.
  • the gripper 18 with the lower box 2 has been engaged and is activated by pressing of the long-stroke cylinder of the device 17, the form 1 drawn onto the plate 10 of the casting table until the mold 1 a position above the opening in the plate 10 or reached above the closure 13, 14 (Fig. 2).
  • the piston 14 could retract and which was pressurized with inert gas in the melt container 7 Melt via the riser pipe 12 into the form 1 to be filled up.
  • the riser pipe 12 with the closure 13, 14 this inclination due to cardan joint 15 follow.
  • This inclined Position retracts the piston 14 of the closure (Fig. 4) and the melt from the melt container 7th rise to form 1 and feeder 21. Has the Melt reaches the feeder 21 (Fig.
  • the piston 14 brought back into the closed position in which it is flush ends with the top of the plate 10 of the casting table 9. Then the Form 1 with the long stroke Cylinder of device 7 back on the transport pallet 4 pushed. At the beginning of this movement it wanders the gate 20 on the top of the plate 10, which as Closure acts and also serves as a cooling plate and the Melt in the gate 20 during this movement to solidify brings until finally the form 1 in Fig. 5 in weak lines reproduced position on the transport pallet 4 reached.
  • the transport pallet 4 can if necessary, consist of a good heat-conducting material or be equipped with such a layer, too when the form 1 is transported on the conveyor 5 a to ensure further cooling at the gate.
  • the Conveyor 5 in the area of the casting station 6 a separate Section 22 on which the transport pallet 4 with the Form 1 is postponed.
  • the device 17 has one frame or cage-like receptacle 23, the section 22 of the conveyor and into which the Transport pallet with the form 1 is retractable.
  • the Recording 23 has an extending in the conveying direction Pivot bearing 24 and one acting on section 22 Tilt drive 25 on.
  • the recording Hydraulic cylinder 26 by means of which the transport pallet 4th with the form 1 against the upper spar 27 of the frame-like Recording 23 can be braced.
  • On the upper spar is further positioned a shutter 28 in the form of a plate, by means of a cylinder 29 parallel to the surface the Form 1 is movable. You can if necessary also have cooling function.
  • the riser pipe 12 is with a horizontally arranged closure 13, 14 equipped.
  • the mode of operation of the embodiment according to FIGS. 6 to 12 is the following:
  • the conveyor in turn has a separate section 22, on which the form 1 with the transport pallet 4 moved becomes.
  • Section 22 is in this embodiment fastened between two inserts 33 which to the Means 17 to relocate Form 1 belong.
  • To the Turning plates 33 engage a turning drive 34.
  • the facility 17 again has a frame-like Recording 35 on which a plate-shaped closure 28th with a drive 29, as with reference to FIGS. 6 to 12 described, arranged.
  • the riser pipe 12 At the casting station 6 with the Melt container 7 is the riser pipe 12 in a similar form aligned, as in the embodiment of FIG. 1 to 5, i.e. H. with closure 14 arranged vertically.
  • the indexable inserts 33 and the receptacle 35 are one horizontal axis 36, which extends in the conveying direction, rotatable.
  • the mode of operation is as follows:
  • the in the receptacle 35 by means of the transport pallet 4th retracted form 1 is in turn by means of lifting cylinders 26 lifted off the section 22 of the conveyor and the Form 1 clamped against the upper spar 37 of the receptacle 35, the closure 28 on the top 30 Form 1 creates.
  • the turning drive 34 put into operation so that the shape 1 in the in Fig. 14th shown position arrives at the top 30 below lies and the gate 31 is aligned with the closure 14. In this position is the closure 14 or the riser 12 by lifting or moving the melt container corresponding to the directional arrows indicated in FIG. 14 been spent.
  • closure 14th opened and the melt rises from the melt container 7 via the riser pipe 12 into the sprue 31 and gradually fills the shape until it reaches riser 32.
  • closure 14 is again in the closed position brought (Fig. 15) and closure 28 by means of the drive 29 driven in front of the gate 31 so that it closes it.
  • the receptacle 35 is by means of Reversing drive 34 turned back through 180 ° until it turns again is in line with the conveyor 5.
  • the transport pallet 4 and the Form 1 are by means of the hydraulic cylinder 26th back to section 22 which is in flight of the conveyor positioned, lowered and the form 1 from the recording 35 delivered to the conveyor.
  • the gate 31 forms here again the feeder of the form.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
EP99109846A 1998-07-31 1999-05-19 Procédé et dispositif de coulée par contre gravité de métaux légers Withdrawn EP0976476A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19834553 1998-07-31
DE1998134553 DE19834553A1 (de) 1998-07-31 1998-07-31 Verfahren und Vorrichtung zum steigenden Gießen von Leichtmetall

Publications (1)

Publication Number Publication Date
EP0976476A1 true EP0976476A1 (fr) 2000-02-02

Family

ID=7875979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109846A Withdrawn EP0976476A1 (fr) 1998-07-31 1999-05-19 Procédé et dispositif de coulée par contre gravité de métaux légers

Country Status (3)

Country Link
EP (1) EP0976476A1 (fr)
JP (1) JP2000052022A (fr)
DE (1) DE19834553A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1018385A3 (fr) * 1999-01-09 2000-07-19 Georg Fischer Disa AG Procédé et dispositif pour couler du métal léger en source
EP1072341A1 (fr) * 1999-07-29 2001-01-31 Heinrich Wagner Sinto Maschinenfabrik GmbH Dispositif de coulée pour une installation de fonderie
DE10033625A1 (de) * 2000-07-11 2002-01-31 Vaw Ver Aluminium Werke Ag Verfahren und Vorrichtung zum steigenden Gießen mit einer Kokille / einem Kernpaket mit offener Eingußöffnung
WO2002102531A1 (fr) * 2001-05-31 2002-12-27 Disa Industries A/S Assemblage de tube de remplissage destine a relier un moule a remplir de metal fondu et un four
CN108463298A (zh) * 2016-01-13 2018-08-28 库尔特股份有限公司 用于铸造的装置
CN112620604A (zh) * 2020-12-18 2021-04-09 苏州广型模具有限公司 轻量化阀体压铸模具的抽芯分型结构
CN117086288A (zh) * 2023-10-13 2023-11-21 兴化市新光合金材料有限公司 一种铝合金管道低压铸造装置及其使用方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19920267A1 (de) * 1999-05-03 2000-11-09 Wagner Heinrich Sinto Masch Verfahren und Vorrichtung zum Füllen von Gießformen mit flüssigen Metallen
US7950441B2 (en) * 2007-07-20 2011-05-31 GM Global Technology Operations LLC Method of casting damped part with insert
CN102806341B (zh) * 2012-08-24 2014-04-02 中国南方航空工业(集团)有限公司 镁合金砂型铸造方法
KR101720652B1 (ko) * 2015-07-24 2017-04-11 유성기업 주식회사 터빈하우징 성형물 제조방법

Citations (5)

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Publication number Priority date Publication date Assignee Title
FR2533847A1 (fr) * 1982-10-05 1984-04-06 Pont A Mousson Procede et installation de manutention de moules de fonderie pour la coulee sous basse pression d'alliages metalliques tres oxydables
WO1993011892A2 (fr) * 1991-12-07 1993-06-24 Baxi Partnership Limited Coulage d'alliages de metaux legers
EP0599768A1 (fr) * 1992-11-20 1994-06-01 Agustin Arana Erana Dispositif d'alimentation de métal sans basse pression d'un moule et sable borgne, moule et installation de coules correspondants
GB2275010A (en) * 1993-02-16 1994-08-17 Bruehl Aluminiumtechnik Process of filling a mould; containers
WO1994025200A1 (fr) * 1993-04-29 1994-11-10 Baxi Partnership Limited Dispositif de fermeture hermetique pour l'orifice d'entree d'un moule a sable

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BE689690A (fr) * 1966-11-14 1967-04-14
AT325224B (de) * 1972-04-07 1975-10-10 Gravicast Patent Gmbh Vorrichtung zum automatischen vergiessen von schmelzen, insbesondere metallschmelzen
DE3002737C2 (de) * 1980-01-25 1983-12-29 Eisenwerk Brühl GmbH, 5040 Brühl Einrichtung zum Gießen von Gußstücken aus einer Leichtmetall-Legierung mittels Dauerformen (Kokille)
DE3644701A1 (de) * 1986-12-30 1988-07-14 Sproetze Maschbau Gmbh Verfahren und vorrichtung zum giessen von giessstuecken in einer giessform
EP0398168B1 (fr) * 1989-05-19 1993-02-24 Kwc Ag Dispositif de moulage sous basse pression
DE3924775C1 (fr) * 1989-07-26 1990-03-29 Alcan Deutschland Gmbh, 3400 Goettingen, De
DE4038576A1 (de) * 1990-12-04 1992-06-11 Leybold Ag Einrichtung zum drehen und verfahren eines kokillentisches in einer vakuum-schmelz- und -giessanlage
DE4238689C2 (de) * 1992-11-17 1995-07-27 Audi Ag Anlage zur Herstellung von Gußstücken
CH692222A5 (de) * 1996-08-23 2002-03-28 Kwc Ag Niederdruck-Kokillengiessanlage.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533847A1 (fr) * 1982-10-05 1984-04-06 Pont A Mousson Procede et installation de manutention de moules de fonderie pour la coulee sous basse pression d'alliages metalliques tres oxydables
WO1993011892A2 (fr) * 1991-12-07 1993-06-24 Baxi Partnership Limited Coulage d'alliages de metaux legers
EP0599768A1 (fr) * 1992-11-20 1994-06-01 Agustin Arana Erana Dispositif d'alimentation de métal sans basse pression d'un moule et sable borgne, moule et installation de coules correspondants
GB2275010A (en) * 1993-02-16 1994-08-17 Bruehl Aluminiumtechnik Process of filling a mould; containers
WO1994025200A1 (fr) * 1993-04-29 1994-11-10 Baxi Partnership Limited Dispositif de fermeture hermetique pour l'orifice d'entree d'un moule a sable

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1018385A3 (fr) * 1999-01-09 2000-07-19 Georg Fischer Disa AG Procédé et dispositif pour couler du métal léger en source
EP1072341A1 (fr) * 1999-07-29 2001-01-31 Heinrich Wagner Sinto Maschinenfabrik GmbH Dispositif de coulée pour une installation de fonderie
TR200002194A3 (tr) * 1999-07-29 2001-03-21 Heinrich Wagner Sinto Maschinenfabrik Gmbh Dökümhane kaliplama sistemi için bir döküm cihazi
DE10033625A1 (de) * 2000-07-11 2002-01-31 Vaw Ver Aluminium Werke Ag Verfahren und Vorrichtung zum steigenden Gießen mit einer Kokille / einem Kernpaket mit offener Eingußöffnung
WO2002102531A1 (fr) * 2001-05-31 2002-12-27 Disa Industries A/S Assemblage de tube de remplissage destine a relier un moule a remplir de metal fondu et un four
CN108463298A (zh) * 2016-01-13 2018-08-28 库尔特股份有限公司 用于铸造的装置
CN108463298B (zh) * 2016-01-13 2021-07-06 库尔特股份有限公司 用于铸造的装置
US11602786B2 (en) 2016-01-13 2023-03-14 Kurtz Gmbh Apparatus for casting
CN112620604A (zh) * 2020-12-18 2021-04-09 苏州广型模具有限公司 轻量化阀体压铸模具的抽芯分型结构
CN117086288A (zh) * 2023-10-13 2023-11-21 兴化市新光合金材料有限公司 一种铝合金管道低压铸造装置及其使用方法
CN117086288B (zh) * 2023-10-13 2023-12-22 兴化市新光合金材料有限公司 一种铝合金管道低压铸造装置及其使用方法

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Publication number Publication date
JP2000052022A (ja) 2000-02-22
DE19834553A1 (de) 2000-02-03

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