EP2100678B1 - Outil de coulée sous pression d'une machine de coulée sous pression - Google Patents

Outil de coulée sous pression d'une machine de coulée sous pression Download PDF

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Publication number
EP2100678B1
EP2100678B1 EP08102489.5A EP08102489A EP2100678B1 EP 2100678 B1 EP2100678 B1 EP 2100678B1 EP 08102489 A EP08102489 A EP 08102489A EP 2100678 B1 EP2100678 B1 EP 2100678B1
Authority
EP
European Patent Office
Prior art keywords
mold
intermediate element
relation
die casting
die
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.)
Not-in-force
Application number
EP08102489.5A
Other languages
German (de)
English (en)
Other versions
EP2100678A1 (fr
Inventor
Ignaz Huber
Thomas Pippel
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.)
Georg Fischer Druckguss GmbH and Co KG
Georg Fischer Automotive Suzhou Co Ltd
Georg Fischer GmbH
Original Assignee
Georg Fischer Druckguss GmbH and Co KG
Georg Fischer Automotive Suzhou Co Ltd
Georg Fischer 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
Application filed by Georg Fischer Druckguss GmbH and Co KG, Georg Fischer Automotive Suzhou Co Ltd, Georg Fischer GmbH filed Critical Georg Fischer Druckguss GmbH and Co KG
Priority to ES08102489.5T priority Critical patent/ES2453498T3/es
Priority to EP08102489.5A priority patent/EP2100678B1/fr
Priority to JP2010550078A priority patent/JP5458311B2/ja
Priority to PCT/EP2009/001686 priority patent/WO2009112230A1/fr
Priority to US12/921,727 priority patent/US8434545B2/en
Publication of EP2100678A1 publication Critical patent/EP2100678A1/fr
Application granted granted Critical
Publication of EP2100678B1 publication Critical patent/EP2100678B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B22D17/005—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure using two or more fixed moulds
    • 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
    • B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
    • B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
    • 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
    • B22D17/2076—Cutting-off equipment for sprues or ingates
    • 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
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2236—Equipment for loosening or ejecting castings from dies
    • 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
    • B22D17/26—Mechanisms or devices for locking or opening dies
    • B22D17/266—Mechanisms or devices for locking or opening dies hydraulically

Definitions

  • the invention relates to a die-casting tool of a die-casting machine, having a first mold, which has a first and a second mold part, which are movable linearly relative to one another for mold closing and mold opening and form at least one mold cavity between them, and with at least one casting run, wherein at least one further, second mold having a third and a fourth mold part, which are aligned for form closure and mold opening rectified to the mold parts of the first form linearly movable and form at least one further mold cavity between them, wherein a molded part of the first mold and a molded part of the second mold back are arranged to each other back and record between them an intermediate element having the casting run and wherein the casting run leads to both mold cavities.
  • Diecasting tools of the type mentioned are known. They are used in a die casting machine. For filling (shot) of the mold cavity, a hot, liquid medium, for example a metal, a metal alloy or plastic, is placed over the run over the runner. Previously, the form consisting of a first and a second molded part must be closed. If the medium in the casting chamber and the mold cavity solidifies, the two mold parts are moved apart. by virtue of This procedure limits the number of workpieces that can be produced per unit of time. In order to increase the number of workpieces, several casting depressions for forming a plurality of mold cavities may be present in the two mold parts. However, the area available for this is limited due to the materials to be handled, the mold closing pressure to be applied and so on.
  • the disclosure DE 10225165 A1 a universal mold with a stack mold for an injection molding system.
  • Gb-A-1569382 It is a low-pressure casting process with two chambers filled from bottom to top.
  • the gless chamber is located directly in the melt.
  • the invention is therefore an object of the invention to provide a die-casting tool of a die-casting machine, which has a very high production capacity, that is, it can be created per unit of time a variety of cast workpieces.
  • the intermediate element (4) is associated with a shearing device (21) for shearing off at least one sprue (24), preferably of both forms (2,3) sprue (24), and that the intermediate element (4 ) has at least two Auswerfervorurgien (19,20) for the two forms (2,3).
  • a floor pressure die casting tool that is to say, the at least two shapes are arranged in the form of a tier, wherein superimposition or juxtaposition of the forms is meant here.
  • multiple molds are used simultaneously, so that a corresponding increase in productivity sets.
  • the invention is not limited to two forms, but it can also be used in terms of floor and more than two forms in superimposed and / or side-by-side construction.
  • the arrangement is made such that at least one of the associated mold parts is linearly displaced to open the respective mold. This linear movement takes place transversely, in particular at right angles, to a mold parting plane.
  • the individual levels of the multi-mold pressure tool will open for mold move linearly in the manner mentioned and linearly displaced to close the form in the corresponding opposite direction.
  • the method and the displacement movement is always - as already mentioned - transversely, in particular at right angles to the individual mold parting planes of the molds, wherein the mold parting planes between the two mold parts of each mold are
  • a medium for example with a liquid metal alloy can, is arranged between the at least two forms an intermediate element having the casting run.
  • the at least two mold cavities of the at least two forms are filled.
  • the molds are opened after solidification of the medium by linear separation.
  • the casting run leads to both mold cavities. Consequently, the filling of both mold cavities can take place via a casting run.
  • the invention is not limited to two mold cavities, but each of the at least two molds may have a plurality of mold cavities.
  • the intermediate element a shearing device for shearing off at least one sprue, preferably a sprue of both forms.
  • the shearing device In the region of the intermediate element, that is to say in the zone between the at least two forms, the shearing device is located. It shears off the runner formed in the run. It is particularly effective if a shearing device shears off the sprue of both forms, wherein there is preferably a common sprue for the shapes which is separated from the shearing device.
  • the shearing device preferably has a linearly movable shearing knife, wherein the traversing direction of the shearing knife extends transversely, in particular at right angles to the linear traversing directions of the shaped parts.
  • the intermediate element has at least two Auswerfervoriquesen for the two forms. Consequently, the ejection means are also accommodated in the intermediate element in order to empty the at least two molds.
  • the Auswerfervortechnischen are therefore space-optimized between the two forms.
  • the ejector devices have ejector cylinders, in particular block cylinders, which are arranged laterally of the molded parts, which adjoin the intermediate element.
  • the space for positioning the Auswerfzylinder the Auswerfervorraumen is therefore used laterally adjacent to the intermediate element associated moldings.
  • the ejector cylinders do not appear disturbing and use an otherwise unused space.
  • the intermediate element preferably has two intermediate element parts, which are arranged back to back to each other. Each intermediate element part is assigned to one of the two forms.
  • a development of the invention provides that the first mold part of the first mold is a solid mold part, to which - for mold closing and mold opening of the first mold - a unit consisting of the first mold part of the first mold, the intermediate element and the third mold part of the second mold is linearly movable and that to the unit - for mold closing and mold opening of the second mold - the fourth molding is linearly movable.
  • the first mold part of the first mold retains its position, which is why it is a solid mold part. If the molds are to be opened, then a linear process of the unit, which consists of the second mold part of the first mold, the intermediate element and the third mold part of the second mold. At the same time, before or after, the fourth mold part is moved along a linear path to open the second mold. If more than two shapes are arranged on the floor, the above statements apply accordingly.
  • the first molded part has a fixed, interchangeable mold insert and the second, third and fourth molded parts have moving, interchangeable mold inserts. All mold inserts are interchangeable to produce different workpieces, however, the first mold part has a fixed mold insert, because this does not change its position during operation of the die-casting tool.
  • the word "fixed” therefore refers to the fixed positioning.
  • the remaining moldings have moving mold inserts, because the moldings and thus their associated Move mold inserts when closing and opening the respective shape, so change their positions.
  • a fixed platen and a linearly movable over guide columns, movable platen is provided, wherein between the two platen at least the two molds and at least one intermediate element are arranged.
  • the two platens hold the stack of packages consisting of the mold parts and the intermediate element in the closed position of the molds and they move apart to open the molds. If more than two forms are present, more than one intermediate element is necessary because there is an intermediate element between each two forms.
  • the FIG. 1 shows a die-casting tool 1 in a die-casting machine not shown in detail, which has a first mold 2, a second mold 3 and an intermediate element 4 arranged between the two molds 2 and 3.
  • the first mold 2 has a first molded part 5 and a second molded part 6.
  • the second mold has a third mold part 7 and a fourth mold part 8.
  • the intermediate element 4 is composed of two intermediate element parts 9 and 10.
  • the respective plate-shaped moldings 5 to 8 and intermediate element parts 9 and 10 are - standing upright - surface to each other, wherein the first mold part 5 abuts the second mold part 6, the second mold part 6 rests on the intermediate element part 9, the intermediate element part 9 on the intermediate element part 10, the intermediate element part 10 on the third mold part 7 and the third mold part 7 on the fourth mold part 8.
  • a parting plane is formed, wherein the parting planes parallel to each other and are vertical in the illustrated embodiment.
  • the first mold part 5 is acted upon by a fixed platen 11, extending from the guide columns 12, 13, on which linearly displaceable a movable platen 14 superimposed, wherein between the two platen 11 and 14, the two molds 2 and 3 and the intermediate element 4 are arranged ,
  • a drive device not shown
  • the molds 2 and 3 and the intermediate element 4 clamp by means of the clamping plates 11 and 14 stacked together.
  • the mold parts 5 and 6 and 7 and 8 are brought onto each other, so that a closed state of the molds 2 and 3 is present.
  • At least one mold cavity is formed between the mold elements 5 and 6 or 7 and 8, so that - corresponding to the number of mold cavities formed - a corresponding number of workpieces can be produced by introducing a hot, solidifying medium in a filling channel 15.
  • the filling channel 15 leads to a running between the two intermediate element parts 9 and 10 casting run 16 ( FIG. 2 ), so that the medium can flow through corresponding casting channels into the mold cavities.
  • the molds 2 and 3 according to FIG. 2 open.
  • a unit consisting of the molded part 6, the intermediate element 4 and the molded part 7 moves along the guide columns 12 and 13 in such a way that the molded parts 5 and 6 separate.
  • the clamping plate 14 moves together with the molding 8 such that the mold 3 opens ( FIG. 2 ).
  • FIG. 3 shows the completely disassembled state.
  • the distances between the mold parts 5 and 6 on the one hand and 7 and 8 on the other hand are so large that a demolding of the produced workpieces 18 can be done easily.
  • the two molds 2 and 3 are arranged in stack form with the interposition of the intermediate element 4. Since the medium is introduced by means of the intermediate element 4 in the two forms 2 and 3, they can be due to the intermediate position of the intermediate element 4 simultaneously and feed only one run 16. Furthermore, the intermediate element 4 has ejection devices 19 and 20, the ejection device 19 being assigned to the intermediate element part 9 and the ejection device 20 to the intermediate element part 10. In the area of the intermediate element 4 is - according to FIG. 1 - Further, a shearing device 21 (in the Figures 2 and 3 not shown), which serves for shearing a sprue. This is the solidified medium in the casting run 16. Hereinafter will be discussed in more detail.
  • FIGS. 4 and 5 show the shearing device 21, which has a slider 22 which is reciprocated linearly, with its direction of movement parallel to the parting planes - and thus perpendicular to the direction of movement of the molded parts - between the mold parts 5 to 8 and intermediate element parts 9 and 10 extends.
  • the slide 22 is moved out of the shearing device 21, it meets a sprue 24.
  • This consists of a fully or partially solidified medium and is freely accessible by moving apart of the intermediate element parts 9 and 10.
  • the gate 24 is separated so that he - according to FIG. 5 - falls down (arrow 25). Subsequently, the shearing blade 23 (according to FIG. 5 ) are retracted again.
  • FIGS. 6 to 8 clarify the representations of the FIGS. 1 to 3 .
  • the workpieces 18 are removed from the mold.
  • ejector plates 26 and 27, which belong to the ejector devices 19 and 20, are provided on the intermediate element parts 9 and 10.
  • the Auswerfervoriquesen 19 and 20 have ejector 28 and 29, the laterally or after arranged above the mold parts 6 and 7 and formed as a block cylinder. They allow the application of an ejection force such that the workpieces 18 - as in FIG. 7 visible - ejected.
  • the FIG. 8 shows a perspective view of the arrangement of FIG. 7 , but rotated about a vertical axis by 180 ° and in perspective view. It can be seen that the mold parts 5 to 8 each carry mold inserts 30 and 31, which are interchangeable to produce different workpieces 18 can.
  • FIGS. 6 and 7 show that in the closed position, the stack of floors, which is formed by the first mold 2, the second mold 3 and the intermediate element 4, the distance d. In the fully open position according to FIG. 7 is the distance 2d, so it is about twice as large. Helleraus follows that the diecasting tool 1 according to the invention requires only a relatively small footprint for its operation and yet due to the multi-storey construction, a plurality of workpieces 18 per unit time can be made.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (7)

  1. Outil de coulée sous pression d'une machine de coulée sous pression, comprenant un premier moule qui présente une première et une deuxième partie de moule, lesquelles peuvent être déplacées linéairement l'une vers l'autre pour fermer et ouvrir le moule et forment entre elles au moins une cavité de moule, et comprenant au moins un canal de coulée, au moins un deuxième moule supplémentaire (3) étant prévu, lequel présente une troisième et une quatrième partie de moule (7, 8) qui peuvent être déplacées linéairement l'une vers l'autre pour fermer et ouvrir le moule dans le même sens que les parties de moule (5, 6) du premier moule (2) et forment entre elles au moins une cavité de moule supplémentaire, une partie de moule (5, 6) du premier moule (2) et une partie de moule (7, 8) du deuxième moule (3) étant disposées dos à dos l'une par rapport à l'autre et recevant entre elles un élément intermédiaire (4) qui présente le canal de coulée (16) et le canal de coulée (16) conduisant aux deux cavités de moule, caractérisé en ce qu'un dispositif de cisaillement (21) pour cisailler au moins une carotte (24) est associé à l'élément intermédiaire (4) et en ce que l'élément intermédiaire (4) présente au moins deux dispositifs d'éjection (19, 20) pour les deux moules (2, 3).
  2. Outil de coulée sous pression selon la revendication 1, caractérisé en ce que le dispositif de cisaillement (21) présente un couteau de cisaillement (23) déplaçable linéairement, la direction de déplacement du couteau de cisaillement (23) s'étendant transversalement, en particulier à angle droit par rapport aux directions de déplacement linéaires des parties de moule (5, 6, 7, 8).
  3. Outil de coulée sous pression selon la revendication 1, caractérisé en ce que les dispositifs d'éjection (19, 20) présentent des cylindres d'éjection (28), en particulier des cylindres-blocs qui sont disposés latéralement aux parties de moule (5, 6, 7, 8) qui sont adjacentes à l'élément intermédiaire (4).
  4. Outil de coulée sous pression selon l'une quelconque des revendications précédentes 1 à 3, caractérisé en ce que l'élément intermédiaire (4) présente deux parties d'élément intermédiaire (9, 10), qui sont disposées dos à dos l'une par rapport à l'autre.
  5. Outil de coulée sous pression selon l'une quelconque des revendications précédentes, caractérisé en ce que la première partie de moule (5) du premier moule est une partie de moule fixe (5), vers laquelle - pour ouvrir et fermer le premier moule (2) - peut être déplacée linéairement une unité constituée de la deuxième partie de moule (6) du premier moule (2), de l'élément intermédiaire (4) et de la troisième partie de moule (7) du deuxième moule (3) et en ce que la quatrième partie de moule (8) peut être déplacée linéairement vers l'unité - pour fermer et ouvrir le deuxième moule (3).
  6. Outil de coulée sous pression selon l'une quelconque des revendications précédentes, caractérisé en ce que la première partie de moule (5) présente un insert de moule fixe remplaçable (30) et en ce que la deuxième, troisième et quatrième partie de moule (6, 7, 8) possèdent des inserts de moule mobiles remplaçables (30, 31).
  7. Outil de coulée sous pression selon l'une quelconque des revendications précédentes, caractérisé par une plaque de serrage fixe (11) et une plaque de serrage mobile (14) déplaçable linéairement vers celle-ci par le biais de colonnes de guidage (12, 13), au moins les deux moules (2, 3) et au moins l'élément intermédiaire (4) étant disposés entre les deux plaques de serrage (11, 14).
EP08102489.5A 2008-03-11 2008-03-11 Outil de coulée sous pression d'une machine de coulée sous pression Not-in-force EP2100678B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES08102489.5T ES2453498T3 (es) 2008-03-11 2008-03-11 Herramienta de moldeo a presión de una máquina de moldeo a presión
EP08102489.5A EP2100678B1 (fr) 2008-03-11 2008-03-11 Outil de coulée sous pression d'une machine de coulée sous pression
JP2010550078A JP5458311B2 (ja) 2008-03-11 2009-03-10 ダイキャスト装置用のダイキャスト用具
PCT/EP2009/001686 WO2009112230A1 (fr) 2008-03-11 2009-03-10 Outillage de coulée sous pression pour une machine de coulée sous pression
US12/921,727 US8434545B2 (en) 2008-03-11 2009-03-10 Die casting tool of a die casting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08102489.5A EP2100678B1 (fr) 2008-03-11 2008-03-11 Outil de coulée sous pression d'une machine de coulée sous pression

Publications (2)

Publication Number Publication Date
EP2100678A1 EP2100678A1 (fr) 2009-09-16
EP2100678B1 true EP2100678B1 (fr) 2013-12-25

Family

ID=39639492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08102489.5A Not-in-force EP2100678B1 (fr) 2008-03-11 2008-03-11 Outil de coulée sous pression d'une machine de coulée sous pression

Country Status (5)

Country Link
US (1) US8434545B2 (fr)
EP (1) EP2100678B1 (fr)
JP (1) JP5458311B2 (fr)
ES (1) ES2453498T3 (fr)
WO (1) WO2009112230A1 (fr)

Cited By (2)

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CN104028736A (zh) * 2014-05-12 2014-09-10 新昌县东科精密机械有限公司 倾转式自动浇铸机
DE102015203033A1 (de) * 2015-02-19 2016-08-25 Magna BDW technologies GmbH Verfahren zur Herstellung eines dünnwandigen rotationssymmetrischen Bauteils aus Aluminium oder einer Aluminiumlegierung

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CN102366826A (zh) * 2011-09-28 2012-03-07 迈凯实金属技术（苏州）有限公司 一种集渣包容积可变的模具组件
CN103600027B (zh) * 2013-11-29 2015-08-05 成都成工工程机械井研铸造有限责任公司 V法通用模板
EP3191241A1 (fr) * 2014-09-08 2017-07-19 Siemens Aktiengesellschaft Système de coulée sous pression hybride pour la formation d'un élément utilisable dans une turbine à gaz
DE202014106045U1 (de) * 2014-12-15 2015-01-19 Finke Formenbau Gmbh Vorrichtung zum Nachbearbeiten eines Spritzgussbauteils und Anordnung mit mehreren Vorrichtungen
CA3003573A1 (fr) * 2015-10-30 2017-05-04 National Research Council Of Canada Pieces metalliques incompatibles assemblees et procede d'assemblage

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104028736A (zh) * 2014-05-12 2014-09-10 新昌县东科精密机械有限公司 倾转式自动浇铸机
DE102015203033A1 (de) * 2015-02-19 2016-08-25 Magna BDW technologies GmbH Verfahren zur Herstellung eines dünnwandigen rotationssymmetrischen Bauteils aus Aluminium oder einer Aluminiumlegierung

Also Published As

Publication number Publication date
JP5458311B2 (ja) 2014-04-02
ES2453498T3 (es) 2014-04-08
US8434545B2 (en) 2013-05-07
JP2011528281A (ja) 2011-11-17
WO2009112230A1 (fr) 2009-09-17
EP2100678A1 (fr) 2009-09-16
US20110030913A1 (en) 2011-02-10

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