EP1302261A2 - Giesskammer zum Druckgiessen von Metallen - Google Patents
Giesskammer zum Druckgiessen von Metallen Download PDFInfo
- Publication number
- EP1302261A2 EP1302261A2 EP02022527A EP02022527A EP1302261A2 EP 1302261 A2 EP1302261 A2 EP 1302261A2 EP 02022527 A EP02022527 A EP 02022527A EP 02022527 A EP02022527 A EP 02022527A EP 1302261 A2 EP1302261 A2 EP 1302261A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- casting chamber
- heating
- casting
- rods
- chamber according
- 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
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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
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2038—Heating, cooling or lubricating the injection unit
-
- 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
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2023—Nozzles or shot sleeves
Definitions
- the present invention relates to a casting chamber for die casting of metals with a casting chamber jacket and heating means for preheating the casting chamber.
- Casting chambers of the type mentioned above are for example known from WO99 / 5007 and are primarily in die casting machines for die casting of metals such as aluminum, magnesium and brass. Mainly horizontal casting chambers used that at their one, machine-side end a cast material filler opening on the top and on her the other, mold-side end a casting material outlet opening exhibit.
- the casting chamber is the casting material in liquid, for Part but also supplied in semi-solid form. Especially in the latter case, the problem arises that the molding material cools unevenly when poured into the casting chamber, which negatively affects the quality of the finished Cast part can affect. For this reason, the known casting chamber heating elements in the form of heating rings provided around the casting chamber, depending on the casting chamber after the metal used to a temperature between 550 and preheat 600 ° C and in this way the material in maintain a semi-solidified state.
- the heating of the casting chamber can cause unwanted Solidification of the casting material can be prevented.
- the expenditure on equipment is due to the large number of heating elements required, however, high. Moreover the heating power required is also immense.
- the object of the invention is therefore a casting chamber trained in such a way that a uniform Heating the casting chamber with comparatively little Effort is possible.
- Heating means several heating rods along the circumference of the Casting chamber are arranged distributed, which in the casting chamber jacket inserted from one end are and extend in the longitudinal direction of the casting chamber.
- the casting chamber can be very even Preheat along its axial length. Since such heating elements in Trade is freely available, the device is technical Comparatively little effort. Furthermore, one rapid heating takes place because the casting chamber jacket from is heated inside and not as in the prior art through outer cuffs or heating rings.
- the heating elements can be controlled individually or in groups to set the heating output.
- This embodiment takes into account the fact that the Pouring material poured out not evenly cools, but for example in the area of the filling opening, where it is in direct contact with the air, cools more than in the other areas.
- the heating elements are controlled independently of each other can, a needs-based heating output for Be made available with the result that the casting material uniform over the circumference of the casting chamber Temperature retains.
- the heating elements can be controlled via a control loop take place, expediently provided temperature sensors are the temperature of the casting chamber on the surface the piston bore along several measuring points of the circumference of the casting chamber.
- the control loop can then the performance of the heating rods depending on the regulate the measured temperatures so that there is no the casting chamber has a temperature of 560 ° C to 620 ° C, and when using aluminum as a casting material especially from 570 ° C to 580 ° C.
- the electric heating elements essentially over the entire axial length of the casting chamber extend. This way, with the exception of the axial End areas a constant temperature of the casting material can be achieved over the length of the casting chamber.
- the casting chamber is divided axially into a heating part with a Insertion opening for inserting the casting material and an Printing part in which a printing form is provided and in which the casting material from the heating part through a axially engaging piston engaging in the heating part can be provided, the heating rods only in the heating part and are essentially all of it extend axial length.
- the heating unit can be from one Thermal insulation jacket to be surrounded, which the heat emission reduced to the environment.
- FIG. 1 and 2 is an embodiment of a horizontal Casting chamber 1 according to the present invention shown as in die casting machines for die casting of metals such as aluminum, magnesium or brass is used.
- the casting chamber 1 has a casting chamber jacket 2 and is in its axial direction divided into a heating part 3, on the top an insertion opening 3a is formed through which a liquid or in the interior of the casting cylinder 1 solidified metal can be filled or inserted can, and a printing part 4, in which a not shown Printing form is provided and that on its from Heating part 3 pioneering end portion an outlet opening 4a forms.
- the heating part 3 and the pressure part 4 are by a Clamping ring 6 connected to each other.
- heating rods 5 which - as in particular in Figure 2 is shown - evenly over the circumference of the Casting chamber 1 are arranged in the heating part 3. Free remains only the top of the heating part 3, where the insertion opening 3a is located.
- the heating rods 5 are in Appropriate end holes of the heating part 3 are used and extend the entire length of the Heating part 3. To protect the heating rods 5 is the front the heating part 3 is covered by a mudguard 8.
- heating rods 5 each in pairs can be controlled, with two each with respect to the image plane of FIG. 1 Heating rods 5 form a pair.
- a control loop is provided which is the power of the pairs of heating rods 5 in Dependent on the temperature of the heating part 3 at its Inside regulates, which by temperature sensor 11, the are inserted into the casting chamber jacket 2 from below becomes.
- the aim is to heat the heating section 3 so that on the inside of the Gellohuntmantels 2 over the axial length and circumference of the heating part 3 a temperature depending on the type of casting material from 560 ° C to 620 ° C, in particular from 570 ° C to 580 ° C.
- the heating part 3 After on the open top of the Heating part 3 the temperature losses are particularly high, this will result in the uppermost pair in FIG of heating rods 5 must provide the greatest heating power, while the bottom pair of heating rods 5 the lowest To provide heating power. To the required Keeping the heating output as low as possible is the heating part 3 is surrounded by a heat insulation jacket 8, to minimize heat loss to the environment.
- the casting chamber 1 finally includes a piston 7, the one in the heating part 3 of the one opposite the outlet opening 4a Front side engages and in the Heating part 3 is axially displaceable to hot casting material, into the heating part 3 through the insertion opening 3a was introduced to press into the pressure part 4 and eject through the outlet opening 4a.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Ink Jet (AREA)
- Extrusion Of Metal (AREA)
Abstract
Description
- Figur 1
- eine Ausführungsform einer zweiteilig ausgeführten Gießkammer gemäß der vorliegenden Erfindung im Längsschnitt und
- Figur 2
- die Gießkammer aus Figur 1 von der rechten Seite her betrachtet.
Claims (9)
- Gießkammer für das Druckgießen von Metallen mit einem Gießkammermantel (2) und Heizmitteln (5) zur Vorwärmung der Gießkammer, dadurch gekennzeichnet, daß als Heizmittel mehrere Heizstäbe (5) entlang des Umfangs der Gießkammer (1) verteilt angeordnet sind, welche in den Gießkammermantel (2) von seiner einen Stirnseite her eingesetzt sind und sich in Längsrichtung der Gießkammer (1) erstrecken.
- Gießkammer nach Anspruch 1, dadurch gekennzeichnet, daß die Heizstäbe (5) einzeln oder gruppenweise ansteuerbar sind, um die Heizleistung einzustellen.
- Gießkammer nach Anspruch 2, dadurch gekennzeichnet, daß die Heizstäbe (5) über einen Regelkreis gesteuert werden.
- Gießkammer nach Anspruch 3, dadurch gekennzeichnet, daß Temperaturfühler (11) vorgesehen sind, um die Temperatur der Gießkammer (2) an mehreren, insbesondere in Umfangsrichtung beabstandeten Meßpunkten zu ermitteln, und der Regelkreis die Leistung der Heizstäbe (5) in Abhängigkeit von den gemessenen Temperaturen regelt.
- Gießkammer nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der Regelkreis in der Weise eingestellt ist, daß sich an der Innenseite des Gießkammermantels (2) eine Temperatur von 560°C bis 620°C, insbesondere 570°C bis 580°C einstellt.
- Gießkammer nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß sich die elektrischen Heizstäbe (5) im wesentlichen über die gesamte axiale Länge der Gießkammer (1) erstrecken.
- Gießkammer nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Gießkammer (1) axial unterteilt ist in ein Heizteil (3) mit einer Einlegeöffnung (3a) zum Einbringen des Gießmaterials und ein Druckteil (4), in welchem eine Druckform vorgesehen ist und in welches das Gießmaterial aus dem Heizteil (3) durch einen axial in das Heizteil (3) eingreifenden Kolben (7) hineingedrückt werden kann, wobei die Heizstäbe (5) nur in dem Heizteil (3) vorgesehen sind und sich im wesentlichen über dessen ganze axiale Länge erstrecken.
- Gießkammer nach Anspruch 7, dadurch gekennzeichnet, daß das Heizteil (3) von einem Wärmeisolationsmantel (8) umgeben ist.
- Gießkammer nach Anspruch 9, dadurch gekennzeichnet, daß das Heizteil (3) und das Druckteil (4) durch einen Klemmring (6) miteinander verbunden sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20116677U | 2001-10-12 | ||
DE20116677U DE20116677U1 (de) | 2001-10-12 | 2001-10-12 | Gießkammer zum Druckgießen von Metallen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1302261A2 true EP1302261A2 (de) | 2003-04-16 |
EP1302261A3 EP1302261A3 (de) | 2003-05-02 |
EP1302261B1 EP1302261B1 (de) | 2006-03-29 |
Family
ID=7962735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02022527A Expired - Lifetime EP1302261B1 (de) | 2001-10-12 | 2002-10-07 | Giesskammer zum Druckgiessen von Metallen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1302261B1 (de) |
AT (1) | ATE321618T1 (de) |
DE (2) | DE20116677U1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016096120A3 (de) * | 2014-12-19 | 2016-09-01 | Gebr. Krallmann Gmbh | Fördervorrichtung für eine metallschmelze in einem spritzgussaggregat |
DE102017011321B3 (de) * | 2017-12-08 | 2019-05-16 | Wieland-Werke Ag | Füllkammer für eine Druckgießmaschine |
CN109986044A (zh) * | 2017-12-29 | 2019-07-09 | 北京有色金属研究总院 | 一种用于半固态压铸成形开口式料筒的热平衡温控方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109986045B (zh) * | 2017-12-29 | 2024-09-20 | 有研工程技术研究院有限公司 | 一种用于半固态压铸成形的开口式料筒及热平衡温控方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3515203A (en) * | 1968-04-29 | 1970-06-02 | Moline Malleable Iron Co | Multiple plunger injection cylinder for die casting |
DE3335277A1 (de) * | 1983-09-29 | 1985-04-18 | EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford | Elektrisch betriebenes heizelement fuer eine spritzgiessmaschine oder ein heisskanalwerkzeug |
DE3335280A1 (de) * | 1983-09-29 | 1985-04-18 | EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford | Elektrisch betriebenes heizelement zum aufheizen von materialschmelzen in einem heisskanalwerkzeug |
EP0255475A2 (de) * | 1986-06-27 | 1988-02-03 | Alusuisse-Lonza Services Ag | Füllbüchse für Druckgiessmaschinen |
US5259436A (en) * | 1991-04-08 | 1993-11-09 | Aluminum Company Of America | Fabrication of metal matrix composites by vacuum die casting |
JPH0639514A (ja) * | 1992-07-24 | 1994-02-15 | Sakaguchi Dennetsu Kk | 連続鋳造用ノズル加熱装置 |
JPH08267211A (ja) * | 1995-03-28 | 1996-10-15 | Masaishi Katsumi | ダイカスト用プランジャスリーブの変形制御方法 |
EP1134049A1 (de) * | 2000-03-15 | 2001-09-19 | Alusuisse Technology & Management AG | Füllkammer einer Horizontal-Thixoformanlage |
EP1214997A1 (de) * | 2000-12-12 | 2002-06-19 | ORTMANN Druckgiesstechnik GmbH Giesskammern- Giessbehälter Druckgiesswerkzeuge-Formenbau | Giesskammer für das Druckgiessen von Metallen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3335292A1 (de) | 1983-09-29 | 1985-04-18 | EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford | Elektrisch betriebenes heizelement zum aufheizen von materialschmelzen |
DE3335282A1 (de) | 1983-09-29 | 1985-04-18 | EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford | Heisskanalwerkzeug zum zufuehren von materialschmelzen zu einer spritzgiessform |
US5501266A (en) | 1994-06-14 | 1996-03-26 | Cornell Research Foundation, Inc. | Method and apparatus for injection molding of semi-solid metals |
US5711366A (en) | 1996-05-31 | 1998-01-27 | Thixomat, Inc. | Apparatus for processing corrosive molten metals |
DE19829336A1 (de) | 1998-02-12 | 1999-08-26 | Didier Werke Ag | Verfahren zum Vergießen von Metallen unter Druck und Vorrichtung zur Durchführung des Verfahrens |
JP3268268B2 (ja) | 1998-05-26 | 2002-03-25 | 幸久 長子 | 自動給湯射出装置 |
-
2001
- 2001-10-12 DE DE20116677U patent/DE20116677U1/de not_active Expired - Lifetime
-
2002
- 2002-10-07 AT AT02022527T patent/ATE321618T1/de active
- 2002-10-07 DE DE50206208T patent/DE50206208D1/de not_active Expired - Lifetime
- 2002-10-07 EP EP02022527A patent/EP1302261B1/de not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3515203A (en) * | 1968-04-29 | 1970-06-02 | Moline Malleable Iron Co | Multiple plunger injection cylinder for die casting |
DE3335277A1 (de) * | 1983-09-29 | 1985-04-18 | EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford | Elektrisch betriebenes heizelement fuer eine spritzgiessmaschine oder ein heisskanalwerkzeug |
DE3335280A1 (de) * | 1983-09-29 | 1985-04-18 | EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford | Elektrisch betriebenes heizelement zum aufheizen von materialschmelzen in einem heisskanalwerkzeug |
EP0255475A2 (de) * | 1986-06-27 | 1988-02-03 | Alusuisse-Lonza Services Ag | Füllbüchse für Druckgiessmaschinen |
US5259436A (en) * | 1991-04-08 | 1993-11-09 | Aluminum Company Of America | Fabrication of metal matrix composites by vacuum die casting |
JPH0639514A (ja) * | 1992-07-24 | 1994-02-15 | Sakaguchi Dennetsu Kk | 連続鋳造用ノズル加熱装置 |
JPH08267211A (ja) * | 1995-03-28 | 1996-10-15 | Masaishi Katsumi | ダイカスト用プランジャスリーブの変形制御方法 |
EP1134049A1 (de) * | 2000-03-15 | 2001-09-19 | Alusuisse Technology & Management AG | Füllkammer einer Horizontal-Thixoformanlage |
EP1214997A1 (de) * | 2000-12-12 | 2002-06-19 | ORTMANN Druckgiesstechnik GmbH Giesskammern- Giessbehälter Druckgiesswerkzeuge-Formenbau | Giesskammer für das Druckgiessen von Metallen |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 258 (M-1606), 17. Mai 1994 (1994-05-17) & JP 06 039514 A (SAKAGUCHI DENNETSU KK), 15. Februar 1994 (1994-02-15) -& JP 06 039514 A (SAKAGUCHI DENNETSU KK) 15. Februar 1994 (1994-02-15) * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 02, 28. Februar 1997 (1997-02-28) & JP 08 267211 A (KATSUMI MASAISHI), 15. Oktober 1996 (1996-10-15) -& JP 08 267211 A (KATSUMI MASAISHI) 15. Oktober 1996 (1996-10-15) * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016096120A3 (de) * | 2014-12-19 | 2016-09-01 | Gebr. Krallmann Gmbh | Fördervorrichtung für eine metallschmelze in einem spritzgussaggregat |
CN107206478A (zh) * | 2014-12-19 | 2017-09-26 | 格布尔.克拉尔曼有限责任公司 | 用于压铸机组中的金属熔液的输送装置 |
US10675677B2 (en) | 2014-12-19 | 2020-06-09 | Gebr. Krallmann Gmbh | Delivery device for a metal bath in a diecasting unit |
CN107206478B (zh) * | 2014-12-19 | 2020-10-16 | 格布尔.克拉尔曼有限责任公司 | 用于压铸机组中的金属熔液的输送装置 |
DE102017011321B3 (de) * | 2017-12-08 | 2019-05-16 | Wieland-Werke Ag | Füllkammer für eine Druckgießmaschine |
CN109986044A (zh) * | 2017-12-29 | 2019-07-09 | 北京有色金属研究总院 | 一种用于半固态压铸成形开口式料筒的热平衡温控方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1302261A3 (de) | 2003-05-02 |
DE50206208D1 (de) | 2006-05-18 |
DE20116677U1 (de) | 2001-12-13 |
EP1302261B1 (de) | 2006-03-29 |
ATE321618T1 (de) | 2006-04-15 |
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