EP3307457B1 - Dispositif de coulée - Google Patents

Dispositif de coulée Download PDF

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Publication number
EP3307457B1
EP3307457B1 EP16741520.7A EP16741520A EP3307457B1 EP 3307457 B1 EP3307457 B1 EP 3307457B1 EP 16741520 A EP16741520 A EP 16741520A EP 3307457 B1 EP3307457 B1 EP 3307457B1
Authority
EP
European Patent Office
Prior art keywords
platen
casting device
casting
furnace
connecting elements
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
EP16741520.7A
Other languages
German (de)
English (en)
Other versions
EP3307457A1 (fr
Inventor
Martin Boindecker
Thomas Rathner
Manfred SIEBINGER
Richard Weber
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.)
Fill GmbH
Original Assignee
Fill 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
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Application filed by Fill GmbH filed Critical Fill GmbH
Publication of EP3307457A1 publication Critical patent/EP3307457A1/fr
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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
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • 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
    • B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
    • 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 casting device for low or counter pressure casting, according to the preamble of claim 1.
  • the invention further relates to a system for producing a workpiece by means of low-pressure or counter-pressure casting.
  • Systems with a casting device in particular for casting under a pressure generated by a gas phase, are used in foundry technology, in particular for the production of castings with high physical and mechanical characteristics, in particular from light metal alloys.
  • the actual casting process takes place both in the low-pressure casting process and in the counter-pressure mold casting process with the aid of a riser pipe through which the melt is conveyed upwards into the mold.
  • the pressurization of the melt in the furnace to convey the melt up into the mold is brought about by a pressure difference in the counter-pressure mold casting process, in that the gas pressure in the mold is reduced somewhat. This creates an overpressure in the casting furnace, which is sufficient for the melt to rise into the mold.
  • a relevant casting device and a system are, for example, also from the DE102010026480A1 known.
  • the platen by which the lower chamber is separated from the upper chamber, is fixed in place and its position cannot be changed.
  • the furnace In order to connect the furnace to the mold via a riser pipe, the furnace is raised after it has been positioned in the lower chamber.
  • this has the disadvantage that, on the one hand, a very high mass has to be moved and, on the other hand, this process involves rapid replacement of one Oven for a new casting process is relatively time consuming.
  • a further disadvantage is that two hoists or drives are required in the known solutions, since both the furnace and the upper platen have to be moved. Which also significantly increases the overall height.
  • the lower platen Due to the vertical mobility of the lower platen, it can be moved upwards, which increases the space available in the lower chamber for manipulating the furnace. In this way, the furnace can be easily positioned in the chamber and removed again.
  • the lower and the upper chamber can each be hermetically, in particular gas-tight, sealed.
  • the upper and / or lower chamber could also be evacuated or filled with a protective gas.
  • the solution according to the invention saves the second drive for lifting the furnace, as a result of which the overall height can also be significantly reduced.
  • the at least one lower platen has at least one riser pipe for connecting the at least one furnace to the at least one mold.
  • the arrangement of the riser pipe on the lower platen has the advantage that the riser pipe is also lifted by lifting the lower platen, whereby the riser pipe can be removed very quickly from the area of the furnace and the furnace can be replaced very quickly.
  • a lower edge of the riser pipe is raised above an upper edge of the furnace, since the furnace can then be removed from the chamber or inserted into the chamber in a horizontal direction without being impeded by the riser pipe.
  • the upper chamber has an upper platen for an upper part which has at least one mold.
  • the upper platen can have holding elements and, where appropriate, media interfaces for the upper part of the mold.
  • the upper platen is slidably mounted in the vertical direction and connected to first connecting elements, the lower platen being connected to second connecting elements, each of the first connecting elements being connected to a corresponding connecting element of the second connecting elements by a vertical displacement of the upper platen towards the lower platen in FIG Intervention.
  • the lower platen can be raised or lowered by lifting or lowering the upper platen.
  • This is advantageous, inter alia, in terms of reducing the drive elements required for the movement of the platen.
  • the movements of the two platen plates can be synchronized in this way with little effort, which is particularly advantageous when the furnace and / or the mold arranged above it are replaced quickly.
  • each of the first connecting elements forms a positive and / or non-positive closure with the respectively associated second connecting element. If necessary, the closures can be released again and, for example, the upper platen can be moved relative to the lower platen. It is particularly advantageous if one of the connecting elements snaps into the associated other connecting element as soon as one of the two connecting elements is pushed into one another in the other connecting element or the two connecting elements. This enables the lower and the upper platen to be connected very quickly and automatically simply by vertical displacement of the upper platen.
  • the upper platen is connected to actuators for raising or lowering the upper platen.
  • the connection of the upper platen to actuators has the advantage that the upper platen can be moved both in relation to the lower platen and together with it.
  • a movement of the upper platen independently of the lower platen is particularly advantageous when loading the upper chamber with a mold, since the space available for loading the upper chamber can be increased by lifting the upper platen.
  • a mold located in the chamber can be lifted from the upper mold mounting plate in a closed state (upper and lower part connected to one another) and loaded onto a transport slide using a manipulator.
  • the upper platen can be connected to the upper part of the closed mold.
  • the mold By lowering the upper platen, the mold can be connected to the lower platen and, if necessary, the upper part can be detached from the lower part of the mold.
  • a joint movement of the lower and the upper platen is, as already mentioned above, particularly advantageous when loading the lower chamber with an oven and removing it from there.
  • the actuators are designed as piston / cylinder units, in particular as hydraulic cylinders, pistons of the piston / cylinder units being connected to the upper platen and working cylinders of the piston / cylinder units being arranged and supported under the associated pistons.
  • This arrangement of the piston / cylinder units allows a low overall height to be achieved, since the pistons push the upper platen upwards.
  • the pistons would pull the platen upwards and the cylinders would have to be suspended above the platen, which would increase the overall height.
  • higher forces acting on the pistons can be realized than in an arrangement in which the pistons pull the upper platen upwards, because the force does not affect the entire available cross-sectional area of the piston can only be exercised on an annular surface.
  • the casting device can be a column casting device which has a frame with columns which are arranged between a base plate and a cover structure of the casting device, the cover structure having an x-shaped basic shape. Due to the special design of the cover structure, thermally induced tensions can be reduced particularly well without any constraints, as can be the case with a plate-shaped design of the cover structure. In addition, the x-shaped cover structure enables particularly good accessibility of the casting device from above.
  • the system can have at least one guide on which at least one transport carriage for transferring a furnace is arranged between a preparation station and the at least one casting device. It is particularly advantageous with regard to the production time if the transport carriage has at least two floors arranged one above the other, a lower floor being provided for transporting the furnace and an upper floor for transporting at least one mold.
  • a system 1 for the production of a workpiece by means of low-pressure or counter-pressure casting shown schematically, has a casting station 2 with two casting devices 10 arranged at a distance from one another. Such a casting station or such casting devices 10 are shown schematically in FIG Fig. 2 and 3 shown.
  • Each of the casting devices 10 has a lower, in particular hermetic, sealable chamber 3 and an upper, in particular hermetic, sealable chamber 5, which are separated from one another by a lower platen 15.
  • the platen 15 is displaceable in a vertical direction.
  • the platen can be mounted on a base frame of the casting device 10 so as to be displaceable in the vertical direction.
  • a furnace 4 with melt can be arranged in the lower chamber 3.
  • an approximately horizontally divided mold can be arranged, this one in Fig. 2 schematically indicated and there provided with the reference numeral 22, which can be arranged on the lower platen 15, and an upper part, not shown, which can be arranged on an upper platen 12.
  • the upper platen 12 can have interfaces 13 and 11, for example brackets and media connections for the upper part of the mold, in particular for pivoting out the upper part for better accessibility by an operator.
  • a pulling device 14 referred to as a core pull can be provided for changing the position of a mold core.
  • the upper platen 12 is slidably mounted in the vertical direction, for example on a base frame of the casting device 10, and with in Figure 3 connected with the reference numeral 17, the first connecting elements.
  • the lower platen 15 is in with Fig. 3 connected with the reference numeral 16, second connecting elements.
  • Each of the first connecting elements 17 can be brought into engagement with a corresponding connecting element of the second connecting elements 16 by a vertical displacement of the upper mold mounting plate 12 in the direction of the lower mold mounting plate 15.
  • Each of the first connecting elements 17 forms a positive and / or non-positive closure with the respectively associated second connecting element 16.
  • the lock can be unlocked again, for example electronically controlled, so that the connecting elements 16 and 17 can be released from each other again.
  • the closure can have, for example, an electronically controlled locking mechanism.
  • the embodiment shown is a second connecting element 6 as a pin and the associated first connecting element 17 as a lock.
  • the pin snaps into the lock, for example an electromechanical lock, and the upper mold mounting plate 12 and the lower mold mounting plate 15 are connected to one another so that the lower mold mounting plate 15 is moved by a movement of the upper mold mounting plate 12 can be raised and lowered again.
  • the upper platen 12 can be connected to actuators 24 for raising or lowering the upper platen 12.
  • the actuators 24 are designed as piston / cylinder units, in particular as hydraulic cylinders.
  • Pistons 26 of the piston / cylinder units are connected to the upper platen 12.
  • Working cylinders 25 of the pistons / cylinder units are arranged and supported under the associated pistons 26, for example on a frame of the casting device 10.
  • the casting device 10 can be designed as a column casting device which has a frame with columns 27 which are arranged between a base plate 28 and a cover structure 19 of the casting device 10.
  • the cover structure 19 has an x-shaped basic shape in the embodiment shown.
  • a casting device with the in Fig. 1 The cover plate shown is a possibly independent embodiment of a casting device, which can also be implemented independently of the arrangement of a movable, lower mold plate 15 and the other essential features of the present invention.
  • the furnace 4 provided with melt and the mold cavity formed by the two mold parts in the closed state are in accordance with Fig. 2 connected to each other via a riser pipe 23, which can be mounted on the lower platen 15.
  • the riser pipe 23 follows a movement of the lower platen 15.
  • a manipulator 21 for handling the workpieces can be arranged at a distance from one another two casting devices 10.
  • a guide 28 can be provided, which in the example shown is realized by a rail system on which a transport carriage 6 for receiving or removing and delivering or transferring the furnace 4 is arranged.
  • the transport carriage 6 oscillates between the casting devices 10 and a preparation position located away therefrom, for example a station 8 for processing the melt.
  • Fig. 3 is shown how the transport carriage stops in front of a casting device 10 in order to transfer a furnace 4 filled with melt from its furnace positioning point into the casting device 10 which has not yet been provided with a furnace 4.
  • the transport carriage 6 has previously received this furnace 4, leaving a vacant position at the station 8.
  • the transport carriage 6 has a further furnace positioning point 29. This enables a time-saving change of an empty furnace 4 arranged in the casting device 10 against a furnace 4 filled with melt.
  • the transport carriage 6 first takes the Furnace 4 filled with melt in a first furnace positioning point 20 from station 8, then travels to the casting device 10 in order to take up the empty furnace 4 in the second, still free furnace positioning point 29, then transfers the furnace 4 provided with melt from the first furnace positioning point 20 into the furnace-free casting device 10, in order to finally take the empty furnace 4, which has already been taken up, to the station 8, so that it can be transferred to a vacant position in the station 8 for re-charging with melt.
  • the transport carriage 6 can have two floors arranged one above the other, a lower floor for transporting the furnace 4 and an upper floor 18 for transporting at least one mold. To accommodate the molds, the transport carriage 6 can stop at a stage 9 and transfer the molds provided there from the stage 9 to the upper level. The transport carriage loaded with the furnace 4 and the mold can then travel to one of the casting devices 10. The molds can be transferred to and from the transport carriage 6 using a tool trolley 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Continuous Casting (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Claims (8)

  1. Dispositif de coulée (10) pour la coulée à basse pression ou à contrepression, le dispositif de coulée (10) comportant au moins une chambre (3) inférieure pour au moins un four (4) et au moins une chambre (5) supérieure pour au moins une coquille, et la chambre (3) inférieure étant séparée de la chambre (5) supérieure par au moins un plateau porte-moule (15) inférieur pour la fixation d'une partie inférieure (22) de la coquille au moins au nombre de un, le plateau porte-moule (15) inférieur étant disposé de façon déplaçable dans une direction verticale, la chambre (5) supérieure comportant un plateau porte-moule (12) supérieur pour une partie supérieure de la coquille au moins au nombre de un, le plateau porte-moule (12) supérieur étant supporté de façon à pouvoir coulisser dans la direction verticale et étant raccordé à des premiers éléments de raccordement (17), le plateau porte-moule (15) inférieur étant raccordé à des deuxièmes éléments de raccordement (16), chacun des premiers éléments de raccordement (17) étant mis en prise avec un élément de raccordement correspondant des deuxièmes éléments de raccordement (16) par un coulissement vertical du porte-moule (12) supérieur en direction du plateau porte-moule (15) inférieur, le porte-moule (12) supérieur étant raccordé à des actionneurs (24) pour soulever ou abaisser le plateau porte-moule supérieur, les actionneurs (24) étant constitués en tant qu'unités piston/cylindre, en particulier en tant que cylindres hydrauliques, caractérisé en que des pistons (26) des unités piston/cylindre sont raccordés au porte-moule (12) supérieur et en ce que des cylindres de travail (25) des unités piston/cylindre sont disposés et supportés sous les pistons (26) respectivement correspondants.
  2. Dispositif de coulée selon la revendication 1, caractérisé en ce que le plateau porte-moule (15) inférieur au moins au nombre de un comporte au moins un tube montant (23) pour le raccordement du four (4) au moins au nombre de un à la coquille au moins au nombre de un.
  3. Dispositif de coulée selon la revendication 2, caractérisé en ce que chacun des premiers éléments de raccordement (17) forme à chaque fois, avec le deuxième élément de raccordement (16) respectivement correspondant, une fermeture par liaison de forme et/ou de force.
  4. Dispositif de coulée selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de coulée (10) est un dispositif de coulée à colonnes, lequel comporte un châssis avec des colonnes (27) qui sont disposées entre une plaque de plancher (28) et une structure de plafond (19) du dispositif de coulée (10), la structure de plafond (19) présentant une forme de base en forme de X.
  5. Installation (1) destinée à la fabrication d'une pièce au moyen de la coulée à basse pression ou à contrepression, caractérisée en ce qu'elle comporte au moins un dispositif de coulée (10) selon l'une des revendications 1 à 4.
  6. Installation selon la revendication 5, caractérisée en ce qu'il est prévu au moins deux dispositifs de coulée (10) qui sont juxtaposés à distance l'un de l'autre, au moins un manipulateur (21) destiné à la manipulation de pièces étant disposé entre les dispositifs de coulée (10).
  7. Installation selon l'une des revendications 5 ou 6, caractérisée en ce qu'elle comporte au moins un guidage sur lequel est disposé au moins un chariot de transport (6) destiné à transférer un four (4) entre un poste d'approvisionnement (8) et le dispositif de coulée (10) au moins au nombre de un.
  8. Installation selon la revendication 7, caractérisée en ce que le chariot de transport (6) comporte au moins deux planchers disposés l'un au-dessus de l'autre, un plancher inférieur étant prévu pour le transport du four (4), et un plancher (18) supérieur étant prévu pour un transport d'au moins une coquille.
EP16741520.7A 2015-06-15 2016-06-15 Dispositif de coulée Active EP3307457B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50496/2015A AT517421B1 (de) 2015-06-15 2015-06-15 Gießvorrichtung
PCT/AT2016/050205 WO2016201478A1 (fr) 2015-06-15 2016-06-15 Dispositif de coulée

Publications (2)

Publication Number Publication Date
EP3307457A1 EP3307457A1 (fr) 2018-04-18
EP3307457B1 true EP3307457B1 (fr) 2020-02-12

Family

ID=56507362

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16741521.5A Active EP3307458B1 (fr) 2015-06-15 2016-06-15 Dispositif de coulée
EP16741520.7A Active EP3307457B1 (fr) 2015-06-15 2016-06-15 Dispositif de coulée

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16741521.5A Active EP3307458B1 (fr) 2015-06-15 2016-06-15 Dispositif de coulée

Country Status (9)

Country Link
EP (2) EP3307458B1 (fr)
CN (3) CN107921529B (fr)
AT (1) AT517421B1 (fr)
DE (2) DE202016008514U1 (fr)
EA (2) EA034833B1 (fr)
ES (2) ES2786679T3 (fr)
HU (2) HUE049271T2 (fr)
MX (1) MX2017015448A (fr)
WO (2) WO2016201478A1 (fr)

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DE202016100133U1 (de) 2016-01-13 2017-04-19 Kurtz Gmbh Vorrichtung zum Gießen
AT519681B1 (de) * 2017-03-02 2021-02-15 Fill Gmbh Gießvorrichtung zum Gießen von Formteilen
CN108326257B (zh) * 2018-01-19 2019-08-27 湖北华力科技有限公司 一种汽车零部件铸造用工作平台及其使用方法
CN108941508A (zh) * 2018-07-31 2018-12-07 哈尔滨工业大学 一种大型船舶用反重力铸造机的下罐升降及锁紧机构
CN108838373B (zh) * 2018-07-31 2020-06-09 哈尔滨工业大学 一种大型船舶用铜合金螺旋桨双工位反重力铸造机
DE102019003706A1 (de) * 2019-05-27 2020-12-03 Abp Induction Systems Gmbh Schmelz- und Gießverfahren und kombinierte Schmelz- und Gießofenanlage
CN110666136B (zh) * 2019-09-26 2021-06-22 温州瑞明工业股份有限公司 一种半自动砂型低压辊道成型系统

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Also Published As

Publication number Publication date
EA034025B1 (ru) 2019-12-19
EA201890055A1 (ru) 2018-06-29
ES2786679T3 (es) 2020-10-13
ES2788155T3 (es) 2020-10-20
HUE049271T2 (hu) 2020-09-28
AT517421B1 (de) 2019-08-15
WO2016201478A1 (fr) 2016-12-22
CN205869434U (zh) 2017-01-11
MX2017015448A (es) 2018-03-08
AT517421A1 (de) 2017-01-15
EP3307457A1 (fr) 2018-04-18
DE202016008518U1 (de) 2018-03-23
WO2016201479A1 (fr) 2016-12-22
EA034833B1 (ru) 2020-03-26
EA201890056A1 (ru) 2018-06-29
CN107921529A (zh) 2018-04-17
EP3307458B1 (fr) 2020-02-12
CN107921529B (zh) 2021-03-12
HUE049763T2 (hu) 2020-10-28
DE202016008514U1 (de) 2018-03-22
CN110214061A (zh) 2019-09-06
EP3307458A1 (fr) 2018-04-18

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