EP1338360A2 - Chambre de remplissage pour une machine à couler sous pression - Google Patents

Chambre de remplissage pour une machine à couler sous pression Download PDF

Info

Publication number
EP1338360A2
EP1338360A2 EP03002904A EP03002904A EP1338360A2 EP 1338360 A2 EP1338360 A2 EP 1338360A2 EP 03002904 A EP03002904 A EP 03002904A EP 03002904 A EP03002904 A EP 03002904A EP 1338360 A2 EP1338360 A2 EP 1338360A2
Authority
EP
European Patent Office
Prior art keywords
filling chamber
cooling device
chamber according
filling
area
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
EP03002904A
Other languages
German (de)
English (en)
Other versions
EP1338360A3 (fr
EP1338360B1 (fr
Inventor
Hugo J. Kunz
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.)
Wieland Werke AG
Original Assignee
Wieland Werke 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 Wieland Werke AG filed Critical Wieland Werke AG
Publication of EP1338360A2 publication Critical patent/EP1338360A2/fr
Publication of EP1338360A3 publication Critical patent/EP1338360A3/fr
Application granted granted Critical
Publication of EP1338360B1 publication Critical patent/EP1338360B1/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
    • 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
    • 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

Definitions

  • the invention relates to a filling chamber for a die casting machine with a feed opening for liquid casting material, wherein in the filling chamber wall at least in that of the feed opening opposite area provided a cooling device is.
  • the inside surface of a filling chamber of a die casting machine that serves as a sliding surface for the die casting piston must absolutely be smooth so as not to cause the movement of the die-casting piston hinder. Also an expansion of the inside diameter of the Filling chamber is intolerable because of a gap between hot casting material with the piston and the inner wall of the filling chamber the forward movement of the die-casting piston on the piston side Spray out the filling chamber and injuries to the operating personnel can lead. When filling the hot casting material through the feed opening this meets the opposite one Side of the filling chamber inner surface. Because of the great heat the filling chamber expands at this point. The filling chamber deforms and there are washouts in the pouring area by alloying aluminum and steel.
  • filling chambers are therefore at least in the Provide cooling devices in the area of the feed opening.
  • Drilled holes are made in the axial direction from the front side, which are connected by cross holes and thus form a guide channel for a coolant.
  • the type of cooling device is very complex and expensive manufacturing, since the entire filling chamber is processed must do what only with special clamping devices and special machines is possible.
  • the filling chamber is cooled directly, so it is in the hole areas due to the thermal Tensions for crack formation and the escape of cooling medium can come.
  • the present invention has for its object a Filling chamber with a structurally simple and effective cooling device to accomplish.
  • the task is done with a filling chamber of the type mentioned Solved type, which is characterized according to the invention, that the cooling device in the opposite of the feed opening Area of a usable in the filling chamber wall Washer with at least one guide channel for a coolant is provided, is formed.
  • the disc is a relative to the entire filling chamber small component and can therefore easily on a machine tool processed to produce the coolant channel or channels become. Then the disc is from the outside in the Filling chamber wall inserted into a recess provided for this purpose and screwed to the filling chamber.
  • the disc can preferably be a spiral feed and Return channel for the coolant, with corresponding outer Connections are provided.
  • the spiral Guiding of the feed and return channels comes about entire surface of the disc to a very even and indirect cooling.
  • the disc can also be in be curved in accordance with the curvature of the filling chamber wall, so that this also ensures uniform cooling of the impact area of the hot casting material in the filling chamber.
  • heating can of course also be done or preheating the filling chamber, by a correspondingly heated through the guide channel Medium is passed through.
  • the filling chamber can have a cooling device in the filling area of the hot casting material also in the connection area of the Casting mold have a cooling device. It also happens there too strong due to the piston pressure and the hot casting material thermal stresses reduced by the cooling device become. The cooling can also cause a burst avoid the sprue when opening the mold.
  • the cooling device can preferably be located in the region of the Injection mold from at least one outside onto the filling chamber wall attached and with at least one guide channel for a coolant-provided socket can be formed.
  • the guide channel is incorporated in the at least one socket that is in the Compared to the entire filling chamber, again relatively small components represent that machined more easily in a machine tool can be considered the entire filling chamber.
  • the cooling acts indirectly on the filling chamber, so that there are no cracks.
  • the cooling device of two nested connectors that are between them a spiral feed and return channel with corresponding Include external connections, formed.
  • the feeder Return channel is made easy by appropriate surface treatment the outside of the inner socket as well as the Made inside the outer socket.
  • the use offers particular advantages a clamping ring on the front of the filling chamber is attached and thus the at least one socket on the Filling chamber holds.
  • the clamping ring can move towards you expanding the filling chamber, preferably expanding conically Have inner diameter. So the ring points in the forefront Area of the filling chamber on the front side of its greatest material thickness on. This ensures that the severe temperature and pressure loads in this area the filling chamber no widening and fraying of the front the filling chamber is created.
  • the clamping ring with at least a radial opening for the introduction of casting material be provided in the injection mold. Incorporation of the radial Openings are designed in comparison to a filling chamber much easier without such a ring, as well here only the ring and not the entire filling chamber is machined must become.
  • the filling chamber 10 from FIG. 1 is a filling chamber for a Vacuum die casting machine using the liquid casting material through a feed opening 11 on the underside of the filling chamber sucked in by the vacuum in the filling chamber becomes.
  • the casting material usually comes out directly a melting furnace. Because of the prevailing negative pressure the sucked material against that opposite the feed opening 11 Page 12 of the filling chamber interior 13 hurled. This makes this area 12 of the filling chamber interior 13 exposed to strong thermal stresses.
  • Around Equalizing thermal tensions is on the outside a disc 14 in the filling chamber at the level of area 12, which is crossed with a coolant channel 15 as a cooling device arranged. 3 shows in particular, the Guide channel 15 into a spiral feed channel 16 and a spiral return duct 17. This type of arrangement of feed and return channels leads to a very even temperature distribution the entire disc surface. Instead of a coolant a heated medium can also be passed through the channels 16, 17 are, for example, to preheat the filling chamber 10.
  • the disc 14 is curved in itself, d. H. adapted to the curvature of the filling chamber 10. Moreover 2 that it is in a flattened area the filling chamber 10 is placed.
  • the filling chamber 10 shown in FIG. 1 is not only in FIG the area 12 opposite the feed opening 11 Cooling device on, but also in its front area 18, in which the mold is connected.
  • cooling device 19 is shown in the Example with three nested sockets 19.1, 19.2 and 19.3.
  • the three sockets 19.1, 19.2 and 19.3 close a spiral feed channel between them 20 and a spiral return duct 21 for a coolant.
  • the feed channel 20 is with a Inlet port 22 connected and the return 21 with a Outlet 23.
  • Sockets 19.1, 19.2 and 19.3 are one clamping ring 24 attached to the end face of the filling chamber 10 held on the filling chamber 10.
  • the clamping ring 24 has an inner diameter that widens conically towards the filling chamber on.
  • the ring 25 can be due its shape as well as the shape of the slightly inward compress the widening groove 26 in which it is inserted, so that there is no compression of the end face of the filling chamber 10 is coming.
  • the Filling chamber 10 on an extension ring 27, the insertion of the die-casting piston in the filling chamber 10 facilitates and also in the fully retracted state of the Die casting piston the sealing surface between die casting piston and Inner wall of the filling chamber 10 enlarged, so that in the interior 13 of the filling chamber 10 prevailing vacuum reliably upright can be obtained.
  • FIG. 5 is a partial longitudinal section corresponding to FIG. 1 through a second filling chamber 10 'of a die casting machine, at the hot casting material without vacuum through an upper opening 11 'is filled into the filling chamber 10' shown.
  • the most thermally stressed area is again on the the filling opening 11 'opposite point 12', now but arranged on the underside of the filling chamber 10 '.
  • the cooling device 14' in the form of an otherwise identical or similar trainable Disc 14 'carried out on the underside of the filling chamber 10'.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
EP03002904A 2002-02-08 2003-02-10 Chambre de remplissage pour une machine à couler sous pression Expired - Lifetime EP1338360B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10205246A DE10205246B4 (de) 2002-02-08 2002-02-08 Füllkammer für eine Druckgießmaschine
DE10205246 2002-02-08

Publications (3)

Publication Number Publication Date
EP1338360A2 true EP1338360A2 (fr) 2003-08-27
EP1338360A3 EP1338360A3 (fr) 2003-11-12
EP1338360B1 EP1338360B1 (fr) 2008-04-02

Family

ID=27634815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03002904A Expired - Lifetime EP1338360B1 (fr) 2002-02-08 2003-02-10 Chambre de remplissage pour une machine à couler sous pression

Country Status (3)

Country Link
EP (1) EP1338360B1 (fr)
AT (1) ATE390972T1 (fr)
DE (2) DE10205246B4 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012103661A1 (fr) * 2011-02-01 2012-08-09 Muller Frederic Dispositif de refroidissement pour une machine à coulée sous pression
CN103658585A (zh) * 2012-09-25 2014-03-26 上海胜僖汽车配件有限公司 一种压铸机料管
CN107020363A (zh) * 2017-05-05 2017-08-08 广东鸿图武汉压铸有限公司 一种整体式压铸模具浇口套
CN111085673A (zh) * 2019-12-29 2020-05-01 盐城泰欧昌机械有限公司 一种带有水冷机构的压铸机用熔杯
WO2020109645A1 (fr) * 2018-11-29 2020-06-04 Alrotec Tecnology, S.L.U. Conteneur ou chambre d'injection
CN111730039A (zh) * 2020-07-22 2020-10-02 吴奕鑫 一种通用、高效的熔杯温度调控装置及其调控方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014009565B4 (de) 2014-06-27 2020-05-20 Wieland-Werke Ag Füllkammer für eine Druckgießmaschine
DE102015016756A1 (de) 2015-12-23 2017-06-29 Wieland-Werke Ag Füllkammer für eine Druckgießmaschine
DE102016111663A1 (de) * 2016-06-24 2017-12-28 Ortmann Druckgießtechnik GmbH Gießkammern-Gießbehälter-Druckgießwerkzeuge-Formenbau Horizontale Gießkammer, Kit mit einer Gießkammer und einer Einfüllhilfe sowie Verfahren zum Druckgießen von Metall in einer Gießkammer
DE102017011321B3 (de) * 2017-12-08 2019-05-16 Wieland-Werke Ag Füllkammer für eine Druckgießmaschine
DE102019112586A1 (de) 2019-05-14 2020-11-19 Weldstone Components GmbH Modifizierte Füllkammer für eine Druckgießmaschine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516480A (en) * 1968-06-17 1970-06-23 Hamilton Die Cast Inc Shot tube for a die casting type machine
FR2317035A1 (fr) * 1975-07-07 1977-02-04 Activite Atom Avance Dispositif d'alimentation d'installation de coulee
CA1196466A (fr) * 1984-02-29 1985-11-12 Dbm Industries Limited Injecteur pour machine a mouler
JPS6167556A (ja) * 1984-09-12 1986-04-07 Nichiei Kozai Kk ダイカスト射出スリ−ブ
JPS61144256A (ja) * 1984-12-18 1986-07-01 Ube Ind Ltd ダイカストマシンにおける溶湯鋳込方法
DE4229273A1 (de) * 1992-09-02 1994-03-03 Hugo Kunz Füllkammer für eine Druckgießmaschine
AT401029B (de) * 1993-05-03 1996-05-28 Vaillant Gmbh Druckgussmaschine
DE4421598A1 (de) * 1994-06-21 1996-01-04 Hugo Kunz Füllkammer für eine Druckgießmaschine
DE19544716A1 (de) * 1995-11-30 1997-06-05 Gerhard Dr Ing Betz Druckgießmaschine mit Füllkammer und Temperierverfahren
CA2228458C (fr) * 1998-02-02 2008-08-05 Mold-Masters Limited Element a ouverture refroidi pour appareil de moulage par injection
DE19856971A1 (de) * 1998-12-10 2000-06-15 Buehler Druckguss Ag Uzwil Druckgussmaschine und Giesskammer hierzu
DE19908392C2 (de) * 1999-02-26 2001-06-07 Ortmann Druckgiestechnik Gmbh Gießkammer, insbesondere für das Druckgießen von Metallen
DE59910520D1 (de) * 1999-06-04 2004-10-21 Andre Mueller Giesskammer für eine Druckgiessmaschine
US6378597B1 (en) * 2000-09-15 2002-04-30 Investors Holding Group Shot sleeve assembly

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012103661A1 (fr) * 2011-02-01 2012-08-09 Muller Frederic Dispositif de refroidissement pour une machine à coulée sous pression
CN103658585A (zh) * 2012-09-25 2014-03-26 上海胜僖汽车配件有限公司 一种压铸机料管
CN107020363A (zh) * 2017-05-05 2017-08-08 广东鸿图武汉压铸有限公司 一种整体式压铸模具浇口套
WO2020109645A1 (fr) * 2018-11-29 2020-06-04 Alrotec Tecnology, S.L.U. Conteneur ou chambre d'injection
US11684971B2 (en) 2018-11-29 2023-06-27 Alrotec Technology, S.L.U. Injection chamber or container
CN111085673A (zh) * 2019-12-29 2020-05-01 盐城泰欧昌机械有限公司 一种带有水冷机构的压铸机用熔杯
CN111730039A (zh) * 2020-07-22 2020-10-02 吴奕鑫 一种通用、高效的熔杯温度调控装置及其调控方法

Also Published As

Publication number Publication date
DE50309512D1 (de) 2008-05-15
DE10205246A1 (de) 2003-08-28
DE10205246B4 (de) 2004-04-15
ATE390972T1 (de) 2008-04-15
EP1338360A3 (fr) 2003-11-12
EP1338360B1 (fr) 2008-04-02

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