EP3307458A1 - Dispositif de coulée - Google Patents

Dispositif de coulée

Info

Publication number
EP3307458A1
EP3307458A1 EP16741521.5A EP16741521A EP3307458A1 EP 3307458 A1 EP3307458 A1 EP 3307458A1 EP 16741521 A EP16741521 A EP 16741521A EP 3307458 A1 EP3307458 A1 EP 3307458A1
Authority
EP
European Patent Office
Prior art keywords
casting
platen
mold
casting device
piston
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
EP16741521.5A
Other languages
German (de)
English (en)
Other versions
EP3307458B1 (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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=56507362&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3307458(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fill GmbH filed Critical Fill GmbH
Publication of EP3307458A1 publication Critical patent/EP3307458A1/fr
Application granted granted Critical
Publication of EP3307458B1 publication Critical patent/EP3307458B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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, wherein the casting device has at least one lower chamber for at least one furnace and at least one upper chamber for at least one mold and the upper and lower chambers by at least one lower platen for fixing a lower part of at least a mold are separated from each other. Furthermore, the invention relates to a plant for the production of 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 light metal alloys.
  • the actual casting process takes place both in the low-pressure casting process and in the counter-pressure Kokilleng understand compiler using a riser, through which the melt is conveyed up into the mold.
  • the pressurization of the melt in the furnace to convey the melt up into the mold is brought about in the counterpressure die casting process by a pressure difference by slightly lowering the gas pressure in the mold. This creates an overpressure in the casting furnace, which is sufficient for the melt to rise into the mold.
  • the mold clamping plate can be displaced in a vertical direction.
  • the oven 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 may be evacuated or filled with a protective gas.
  • the solution according to the invention saves the second drive for lifting the furnace, whereby the overall height can be significantly reduced.
  • the upper platen is connected to first connecting elements, wherein the lower platen is connected to second connecting elements, wherein each of the first connecting elements with a corresponding Vietnamesesele- element of the second connecting elements by a vertical displacement of the upper platen in the direction of the lower platen engaged is.
  • This variant of the invention has the advantage that the upper platen and the lower platen can be moved together.
  • a lifting or lowering Movement of the upper platen lift the lower platen lifted or lowered.
  • the movements of the two platens can be synchronized with little effort in this way, which is especially advantageous in the case of a rapid replacement of the furnace and / or the mold arranged above it.
  • 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 engages in 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 allows a very quick and automatic connection of the lower and the upper mold clamping plate solely by a vertical displacement of the upper mold mounting plate.
  • 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 with respect to the lower platen and together with this.
  • a movement of the upper platen independent of the lower platen is especially in a Be-loading the upper chamber with a mold advantage, since by raising the upper platen of the available space for charging the upper chamber can be increased.
  • a mold located in the chamber in a closed state (upper and lower part connected to each other) are lifted from the upper platen and loaded by means of a manipulator on a transport carriage. When loading the upper chamber, 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 associated with the lower platen and be solved in case of need, the upper part of the lower part of the mold.
  • a common movement of lower and upper platen is as already mentioned above, especially with regard to the loading of the lower chamber with an oven and its removal from there an advantage.
  • the actuators are designed as piston / cylinder units, in particular as hydraulic cylinders, with pistons of the piston / cylinder units connected to the upper platen and working cylinder of the piston / cylinder units arranged under the respectively associated pistons and supported.
  • the pistons would pull the platen up and the cylinders would have to be placed over the platen hanging, which would increase the height.
  • higher forces acting on the piston can be realized than in an arrangement in which the pistons pull the upper platen upwards, the case is because the force on the entire available cross-sectional area of the piston and not can only be exercised on an annular surface.
  • the casting device has an actuator interacting with and connected to the upper platen means for transmitting a torque.
  • the means for transmitting the torque have at least one toothed rack arranged on a frame of the casting device and at least one toothed wheel cooperating with the at least one toothed rack and at least one shaft connected to the toothed wheel for transmitting a torque.
  • the at least one shaft is mounted on opposing bearing points connected to the upper platen, wherein the shaft has two gears which cooperate with two different arranged on the frame of the casting rack.
  • the four associated with the platen shafts are provided with gears, with two of the four waves in pairs parallel to each other and axes of two immediately adjacent waves perpendicular to each other.
  • An advantageous development of the invention consists in the connection of at least one shaft with an electric drive. This allows the actuators to be supported. It is equally advantageous to use the electric drive when lowering as a brake or generator and so recuperate the potential energy of the upper platen and / or mold in the generative operation. A further advantageous embodiment is the decoupling of the actuators after a tearing operation of the mold and the egg bie spi ice continue the vertical displacement of the platen on the electric drives and the mechanical Syncronisationssystem. Also conceivable is the design of the drives by hydraulic or pneumatic rotary actuators.
  • the actuators are servohydraulically controlled.
  • the casting device may be a column casting device having a frame with columns, which are arranged between a base plate and a cover structure of the casting device, wherein at least a respective portion of the columns is formed as a guide on which guided the platen is.
  • the cover structure has an x-shaped basic shape. Due to the special design of the cover structure thermally induced stresses can be broken down particularly well, without causing constraints, as can be the case with a plate-shaped design of the cover structure.
  • the x-shaped cover structure allows a particularly good accessibility of the casting device from above.
  • the system may comprise at least one guide on which at least one transport carriage for transferring a furnace between a supply station and the at least one casting device is arranged.
  • Fig. 1 is a perspective view of a system according to the invention
  • Fig. 2 is a front view of a casting station of the apparatus of Fig. 1;
  • FIG. 3 is a side view of the casting station of FIG. 2.
  • FIG. 4 shows a perspective view of a variant of a casting device
  • the plant 1 shown schematically in FIG. 1 for producing a workpiece by means of low-pressure or counter-pressure casting has a casting station 2 with two casting devices 10 arranged at a distance from one another. Such a casting station or casting devices 10 are shown schematically in FIGS. 2 and 3.
  • Each of the pouring devices 10 has a lower, in particular hermetically, sealable chamber 3 and an upper, in particular hermetically, sealable chamber 5, which are separated from one another by a lower platen 15.
  • the term "chamber” in this document is to be understood as meaning also structures with partially or completely opened side walls, as shown for example in FIGS. 1 to 3.
  • the terms "mold” and "tool” are used synonymously in this document.
  • the mold clamping plate 15 can be designed to be displaceable in a vertical direction.
  • the mold mounting lath can be mounted displaceably on a base frame of the casting apparatus 10 in the vertical direction.
  • a furnace 4 can be arranged with melt.
  • a mold for example, approximately horizontally divided mold can be arranged, this one in Fig. 2 schematically indicated and provided there with the reference numeral 22 lower part, which can be arranged on the lower platen 15, and an upper part, not shown, which can be arranged on an upper platen 12 may have.
  • the upper platen 12 may have interfaces 13 and 11, for example, brackets and media connections for the upper part of the mold, in particular for swiveling the upper part for better accessibility by an operator.
  • a traction device 14 called core pull can be provided for changing the position of a former.
  • the upper platen 12 is slidably mounted in the vertical direction, for example, on a base frame of the casting apparatus 10 and connected to the first connecting elements identified by the reference numeral 17 in FIG.
  • the upper mold clamping plate 15 can in this case be vertically displaceable in guides 33 which are arranged on lateral structures of the casting device, for example columns, whereby the guides 33 are arranged in the upper chamber 5.
  • the guides 33 may be formed, for example, as roller rail guides or sliding guides. If the casting device is designed as a column casting device, at least one respective section of the columns can be formed as a guide, on which the mold clamping plate 12 is guided.
  • Fig. 1 discloses that at all four corners of the upper platen 12, the piston / cylinder units 25 are mounted. However, it is also possible that due to the mechanical synchronization described below, only a single piston / cylinder unit is provided. However, it is particularly advantageous if at least two piston / cylinder units are provided.
  • the shaft 31 is mounted on opposing bearing points connected to the upper platen 12, the shaft 31 having two gears which interact with two different racks arranged on the frame of the casting device.
  • four shafts 31 connected to the platen 12 are provided with toothed wheels 32, 32a, wherein in each case two of the four shafts 31 run in pairs parallel to one another and axes of two directly adjacent shafts 31 run perpendicular to one another.
  • the piston / cylinder unit 25 can be made more energy efficient.
  • two diametrically opposed piston / cylinder units 25, for example, may be provided with two smaller, likewise diametrically opposite, piston / cylinder units 25a.
  • the two piston-cylinder units 25a serve essentially to support a lifting of the platen 12 from a lower basic position.
  • a further advantageous embodiment for supporting the synchronization of the piston / cylinder units 25 is the use of the control of the piston / cylinder units 25 by a servo-hydraulic, whereby the efficiency is significantly improved.
  • An inventive design of the servo-hydraulic is the control by volume flow dividers in the hydraulic supply line of the piston / cylinder units.
  • Another characteristic is the control of the piston / cylinder units via a digital hydraulic system.
  • the piston hydraulic cylinders are each fed via pumping elements with a precisely defined volume content which hardly deviates from one another.
  • a pump content represents an "(oil) increment", causing the Synchronization of the piston-cylinder units is ensured by equal volume contents in the supply. Occurring sum tolerance errors and possibly leaks are kept cyclically low by resetting in the basic position. As a reference point for a reset, for example, the lowest basic position of the upper mold clamping plate can be selected.
  • At least one rotating drive in particular gear motor, which cooperates with the mechanical synchronization, which can be the vertical
  • a second connecting element 6 is designed as a pin and the associated first connecting element 17 as a lock.
  • the upper platen 12 may 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 in this case connected to the upper platen 12.
  • Working cylinder 25 of the piston / cylinder units are arranged and supported under the associated pistons 26, for example on a frame of the casting device 10.
  • the casting apparatus 10 may be formed as a column caster, which has a frame with columns 27 which between a base plate 28 and a
  • the cover structure 19 of the casting apparatus 10 are arranged.
  • the cover structure 19 has an x-shaped basic shape in the illustrated embodiment.
  • a casting apparatus with the cover plate shown in Fig. 1 is an optionally independent embodiment of a casting apparatus, which may also be realized independently of the arrangement of a movable lower mold plate 15 and the other essential features of the subject invention.
  • the furnace 4 provided with the melt and the mold cavity formed by the two mold parts in the closed state are interconnected by means of a riser 23 as shown in FIG. 2, which can be mounted on the lower mold mounting plate 15.
  • the riser 23 follows in the illustrated embodiment, a movement of the lower mold mounting plate 15th
  • the transport carriage 6 oscillates between the casting devices 10 and a provisioning position remote from it, for example a station 8 for processing the melt.
  • FIG. 3 shows 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 an oven 4.
  • the transport carriage 6 has received this oven 4 leaving a vacant location at the station 8.
  • the transport carriage 6 has a further oven positioning point 29.
  • the at least one furnace 4 is driven on guides from the lower chamber of the casting device directly to a removal and receiving station, without the use of the transport carriage. It is also advantageous if the rails extend on several sides of the lower chamber.
  • the casting apparatus may have at least one heating device for heating the riser, for example in the form of a gas burner, a heating coil, a radiant oven, etc., which can be inserted into the lower chamber instead of the furnace 4.
  • the riser 23 may be replaced by the furnace instead of the furnace 4 heated in the lower chamber heater to prevent cooling of the riser 23.
  • Chamber 33 guides oven

Landscapes

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

Abstract

L'invention concerne une installation (1) et un dispositif de coulée (10) pour la coulée à basse pression ou à contrepression, le dispositif de coulée (10) comprenant au moins une chambre inférieure (3) pour au moins un four (4) et au moins une chambre supérieure (5) pour au moins une coquille, la chambre inférieure (3) et la chambre supérieure (5) étant séparées l'une de l'autre par au moins un plateau porte-moule inférieur (15) pour la fixation d'une partie inférieure (22) de ladite au moins une coquille, la chambre supérieure (5) comprenant un plateau porte-moule supérieur (12), monté de manière à pouvoir se déplacer dans la direction verticale, pour une partie supérieure de ladite au moins une coquille, le plateau porte-moule supérieur (12) étant relié à des actionneurs (24) permettant de soulever ou d'abaisser le plateau porte-moule supérieur.
EP16741521.5A 2015-06-15 2016-06-15 Dispositif de coulée Active EP3307458B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50496/2015A AT517421B1 (de) 2015-06-15 2015-06-15 Gießvorrichtung
PCT/AT2016/050206 WO2016201479A1 (fr) 2015-06-15 2016-06-15 Dispositif de coulée

Publications (2)

Publication Number Publication Date
EP3307458A1 true EP3307458A1 (fr) 2018-04-18
EP3307458B1 EP3307458B1 (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 After (1)

Application Number Title Priority Date Filing Date
EP16741520.7A Active EP3307457B1 (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) EA034025B1 (fr)
ES (2) ES2788155T3 (fr)
HU (2) HUE049271T2 (fr)
MX (1) MX2017015448A (fr)
WO (2) WO2016201478A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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JPH0252160A (ja) * 1988-08-10 1990-02-21 Sintokogio Ltd 低圧鋳造用保持炉運搬台車
US5598882A (en) * 1996-01-30 1997-02-04 Cmi International, Inc. Low pressure casting assembly
EP1057562A1 (fr) * 1999-06-04 2000-12-06 Fata Aluminium Division of Fata Group S.p.A. Machine de coulée à basse pression
US6540008B1 (en) * 1999-07-02 2003-04-01 Alcoa Inc. Molten metal injector system and method
DE60203346T2 (de) * 2001-06-20 2005-08-11 Sintokogio, Ltd., Nagoya Vorrichtung und Verfahren zum Giessen unter Verwendung horizontal geteilter metallischer Giessformen
JP5128393B2 (ja) * 2008-07-08 2013-01-23 Ｔｏｗａ株式会社 樹脂成形装置
CN201410585Y (zh) * 2009-06-16 2010-02-24 上海宝钢设备检修有限公司 轧件定尺剪检修小车
US8783331B2 (en) * 2009-07-07 2014-07-22 Ksm Castings Group Gmbh System and method for casting
CN102416460B (zh) * 2010-09-28 2015-11-25 青木伸藏 铸造机
CN203556840U (zh) * 2013-11-29 2014-04-23 无锡市双全机械制造厂 低压铸造机
CN103962528B (zh) * 2014-02-21 2016-08-31 浙江万丰科技开发股份有限公司 一种低压铸造设备
CN203817343U (zh) * 2014-05-24 2014-09-10 浙江精一重工有限公司 金属件低压铸造锻压机
CN103978183B (zh) * 2014-05-27 2016-04-27 浙江万丰科技开发股份有限公司 一种差压铸造机与铸造方法
CN204252506U (zh) * 2014-10-24 2015-04-08 梁平 一种可升降的脚手架

Also Published As

Publication number Publication date
HUE049271T2 (hu) 2020-09-28
HUE049763T2 (hu) 2020-10-28
MX2017015448A (es) 2018-03-08
DE202016008518U1 (de) 2018-03-23
DE202016008514U1 (de) 2018-03-22
CN107921529B (zh) 2021-03-12
AT517421B1 (de) 2019-08-15
WO2016201478A1 (fr) 2016-12-22
EP3307457B1 (fr) 2020-02-12
EP3307458B1 (fr) 2020-02-12
EA034025B1 (ru) 2019-12-19
EA201890055A1 (ru) 2018-06-29
WO2016201479A1 (fr) 2016-12-22
EA201890056A1 (ru) 2018-06-29
CN205869434U (zh) 2017-01-11
ES2788155T3 (es) 2020-10-20
EA034833B1 (ru) 2020-03-26
CN110214061A (zh) 2019-09-06
EP3307457A1 (fr) 2018-04-18
CN107921529A (zh) 2018-04-17
ES2786679T3 (es) 2020-10-13
AT517421A1 (de) 2017-01-15

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