EP2097193B1 - Speisereinsatz und speiserelement - Google Patents

Speisereinsatz und speiserelement Download PDF

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Publication number
EP2097193B1
EP2097193B1 EP07847249A EP07847249A EP2097193B1 EP 2097193 B1 EP2097193 B1 EP 2097193B1 EP 07847249 A EP07847249 A EP 07847249A EP 07847249 A EP07847249 A EP 07847249A EP 2097193 B1 EP2097193 B1 EP 2097193B1
Authority
EP
European Patent Office
Prior art keywords
feeder
tube
adapter
insert
adapter element
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
EP07847249A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2097193A1 (de
Inventor
Jürgen Beckmann
Helmut Lindner
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.)
Chemex GmbH
Original Assignee
Chemex 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 Chemex GmbH filed Critical Chemex GmbH
Priority to PL07847249T priority Critical patent/PL2097193T3/pl
Publication of EP2097193A1 publication Critical patent/EP2097193A1/de
Application granted granted Critical
Publication of EP2097193B1 publication Critical patent/EP2097193B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/088—Feeder heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/084—Breaker cores

Definitions

  • the present invention relates to a feeder element for use in casting metals in molds having a first end for placement on a mold model and an opposed second end for connection to or for supporting an upper riser, the feeder element extending from the first to the second end Passage for liquid metal possesses.
  • the invention also relates to a feeder insert for use in casting metals in molds, having a cavity for receiving liquid metal, comprising or consisting of a feeder element according to the invention and an upper feeder part. Further aspects of the invention relate to kits for producing a feeder element according to the invention or a feeder insert according to the invention and to methods for arranging a feeder insert in a casting mold. Further aspects of the invention will become apparent from the following description and the appended claims.
  • Feeder elements of the type mentioned are known from the prior art.
  • EP 1184104 B1 which is a feeder insert with a first mold element discloses which is a feeder element of the type mentioned above.
  • the present invention has for its object, a feeder element according to EP 1184104 B1 further education.
  • the feeder elements (first mold elements) disclosed therein which are provided for supporting an upper feeder part (second mold element), have a first end for placement on mold models, the attachment surface of which in practice is felt to be too large in some cases.
  • On the part of the foundry industry smaller and smaller surfaces (and shelves) are desired because in the recent past the surfaces of castings have become increasingly filigree.
  • the passage opening (passage opening) for liquid metal must not be arbitrarily small, otherwise an acceptable feeding behavior can not be achieved.
  • a cooling of the feeder neck as it may occur in thin-walled design of a feeder element on its side facing the mold model, may not make disturbing.
  • the feeder element according to the invention can advantageously be used as described in the EP 1184104 B1 for the local "first form element" is described.
  • the upper feeder part of a feeder insert according to the invention corresponds to the "second form element” according to EP 1184104 B1 .
  • Feeding inserts, as used in the EP 1184104 B1 are commercially available under the name "Telespeiser” from CHEMEX GmbH, Germany.
  • the tubular element can be inserted into the adapter element to different extents.
  • Such an arrangement is advantageous in order to prevent breakage of a feeder element according to the invention or of a corresponding feeder insert according to the invention, as would otherwise be possible in the case of the molding material compression due to the compression forces then acting.
  • a destruction of a feeder according to the invention is reliably prevented.
  • the tube-like element can also be inserted as far as possible into the adapter element as soon as it is delivered, so that it is prevented from being pushed back by the path limiter or limiters.
  • the adapter element forms the second end of the feeder element, that is, the end of the feeder element, which is intended for connection to or for supporting an upper feeder part.
  • one or more intermediate elements can also be provided between the adapter element and the upper feeder part.
  • the tubular element of a feeder element according to the invention is preferably cylindrical, but other configurations may be provided, for example rectangular tube cross-sections or tubular elements having a conical shape.
  • the tubular member has a length in the range of 10 to 30 mm, especially if it is cylindrical.
  • the tube-like element has a length in the range of 10 to 30 mm and is not inserted as far as possible in the delivery condition in the adapter element, it allows a further insertion of at least 4 mm in the state before the compression of the molding material. It has been found that in such an arrangement, the compression forces occurring during compression of the molding material can be effectively counteracted.
  • the tubular member has a substantially uniform cross section over the entire length.
  • the ratio of wall thickness to the overall diameter of the tubular element is preferably between about 1: 5 and 1: 120 over its entire length, more preferably in the range of 1:10 to 1: 100.
  • the thickness of the tubular member is chosen by the skilled person to have sufficient stability and to withstand the crushing forces encountered in the molding material compaction.
  • the tubular element is made of a material which is selected from the group consisting of: metallic, ceramic or plastic materials and composite materials based on metal, ceramic and / or plastic.
  • the tubular element is preferably made of iron, an iron alloy such as steel, aluminum, an aluminum alloy, a brass alloy or ceramic.
  • the adapter element is preferably made of an exothermic or insulating molding compound. The same applies in a feeder insert according to the invention for the upper feeder part.
  • the adapter element of a politicianrelmentes invention usually has a wall or a wall portion whose thickness is partially or everywhere greater than the thickness of the tubular element at the first end of the feeder element.
  • a wall thickness of less than 1.5 mm can not be produced with the required process reliability in the context of mass production.
  • a feeder insert according to the invention advantageously resembles in its construction the feeder inserts as described in US Pat EP 1184104 B1 are described, where the components described there as "first form element" are replaced by a two- or multi-part feeder element according to the invention.
  • the content of EP 1184104 B1 is part of the present text by reference.
  • the feeder element and the upper feeder part of a feeder insert according to the invention are arranged to be slidable into one another.
  • the tubular element is preferably not pushed far into the adapter element, so that it can be further inserted into the adapter element until it is prevented by the Wegbegrenzern or at a further insertion ,
  • the compression forces occurring during the compression of the molding material is then countered by two separate relative movements, namely the relative movement of the upper feeder part relative to the feeder element (the feeder element is inserted into the upper feeder part) and the relative movement of the tubular element opposite the adapter element (the tube-like element is pushed further into the adapter element until it rests against the travel limiters).
  • the feeder element and the upper feeder part of a preferred feeder insert according to the invention together form a cavity for receiving liquid metal.
  • the present invention also relates to a kit for producing a feeder element according to the invention, comprising a tube-like element and an adapter element.
  • a kit for producing a feeder element according to the invention comprising a tube-like element and an adapter element.
  • the upper feeder part and the feeder element are preferably chosen so that when placing the upper feeder part on the feeder element, a feeder insert is formed, wherein the feeder element and the upper feeder part are slidable into each other, wherein the upper feeder part and the Feeder element are moved into each other (optionally after separation or deformation of holding elements).
  • the molding machine comprises a pattern plate (that is, a patterning machine for molding machines, usually consisting of a flat plate with cast-in or mechanically fastened models) and the feeder element is inserted into the molding machine with its first end is in direct contact with the model plate (the model surface).
  • a pattern plate that is, a patterning machine for molding machines, usually consisting of a flat plate with cast-in or mechanically fastened models
  • FIG. 1 an inventive feeder insert 8 in a possible output arrangement (before the filling of molding material and before the compression process) is shown.
  • the feeder insert 8 according to the invention comprises a feeder element 10 and an upper feeder part 18, which are formed substantially rotationally symmetrical.
  • the extending in the longitudinal direction of the feeder insert 8 axis of rotation is in Fig. 1 indicated by a dashed line 48.
  • the feeder element 10 comprises an adapter element 24 into which a tube-like element 22 is inserted in such a way that it is frictionally connected to the adapter element 24, but is displaceable therein using a certain amount of force.
  • the feeder element 10 may consist of more than two components.
  • the feeder element comprises a first end 14 and a second end 16, the first end 14 being formed by the tubular element 22 and the second end 16 being formed by the adapter element 24.
  • the tubular member includes an edge region opposite the first end 14 of the feeder element.
  • the adapter element 24 includes Wegbeskyr 26.
  • the tubular element 22 is not inserted maximally far into the adapter element 24.
  • the tubular element 22 may be inserted as far as possible into the adapter element 24, so that it rests against the Wegbeskyrn 26 with its the first end 14 opposite edge region and is prevented from further insertion (see Fig. 2 ).
  • the feeder element 10 With the first end 14 of the tubular element 22, the feeder element 10 is placed on a mold model 12.
  • the feeder element 10 forms between its first end 14 (formed by the tubular element 22) and a second end 16 (formed by the adapter element) a passage 20 for liquid metal.
  • the tubular element 22 has a maximum wall thickness of 1.5 mm and consists of metallic, ceramic or plastic materials and composite materials based on metal, ceramic and / or plastics.
  • the tubular member 22 is made of iron, an iron alloy such as steel, aluminum, an aluminum alloy, a brass alloy, or ceramics.
  • the adapter element 24 has a wall which is larger in sections or everywhere than the thickness of the tubular element at the first end 14 of the feeder element 10 and consists, like the upper feeder part 18, of an exothermic or insulating molding compound.
  • Wegbebankr 26 are integrated, which are designed in the form of ribs (see. FIGS. 4, 5 ).
  • the Wegbeskyr consist of the same exothermic or insulating molding compound as the Adapterelelment 24 and do not form a separate component. They serve to limit the insertion path of the tubular element 22.
  • the outer wall of the adapter element 24 has a conically widening section 62, which merges into a section 42 with a constant diameter. At least one holding projection 34 is provided at this section 42.
  • the inner wall of the adapter element 24 also consists of a flared portion and a constant diameter portion.
  • the upper feeder part 18 is placed with its lower edge 38 on holding projections 34 of the adapter element 24 and fixed by means of the centering mandrel 36.
  • the upper feeder part 18 is made quite thick-walled in relation to the tubular element 22 and the adapter element 24.
  • the outer wall of the upper riser 18 has a first relatively sharply flared portion 56 before the outer wall merges into a less extensive flared conical section 58.
  • the upper feeder part 18 tapers conically upwards.
  • the inner wall of the upper feeder part 18 forms a portion 40, which initially parallel to the outer wall 42 of the adapter element 24 and then merges into a conically upwardly tapering wall portion 50, along which the tip of a centering mandrel during positioning of Feeder insert 8 can be performed.
  • the conical wall section 50 finally opens into a centering bore 52 located in the axis of rotation 48 of the feeder insert 8 for receiving the tip of the centering mandrel 36.
  • the upper riser 18 and the adapter 24 form a cavity of interconnected part cavities 30 and 44 for receiving liquid material.
  • Fig. 2 is the tubular element 22 of the feeder insert 8 according to the invention inserted as far as possible into the adapter element 24.
  • the illustration includes two cutting planes through the adapter element 24: On the in Fig. 2 left side of the axis of rotation 48, the cutting plane is selected so that the Wegbeskyr 26 is not cut (section A), on the in Fig. 2 right side of the axis of rotation 48, the cutting plane passes through the Wegbeskyr 26 (section B, for the selection of the cutting planes see also Fig. 4 ).
  • Fig. 3 is the feeder insert 8 (according to FIGS. 1 or 2) in a compressed arrangement.
  • the connecting surfaces between the holding projections 34 and the adapter element 24 are each quite small, so that the holding projections 34 can be separated from the adapter element 24 with little effort.
  • the upper feeder part 18 Due to the force resulting from the compression, the upper feeder part 18 is displaced in the direction of the mold model 12. In this case, the force need only be sufficiently large to hold the retaining projections 34 from the adapter element 24 to separate.
  • the displacement path of the upper feeder part 18 in the direction of the mold model 12 is predetermined and limited by the degree of compression molding.
  • the tip of the centering mandrel 36 breaks through according to Fig. 3 the between the upper end of the center hole 52 and a Wandungsab gleich 54 located in a wall section.
  • This wall portion is dimensioned so that the displacement between the upper feeder part 18 and the adapter element 24 is not hindered.
  • the tubular member 22 As in Fig. 1 shown, before the compression is not inserted as far as possible into the adapter element 24, it comes in addition to the displacement between the adapter element 24 and the upper feeder part 18 to a separate displacement between the adapter part 24 and the tubular element 22.
  • the degree of displacement is also here predetermined by the compression molding, but is limited to a maximum of the distance between the first end 14 opposite edge region 46 of the tubular element and the Wegbeskyrn or 26 before compression.
  • Such a separate displacement between the tube-like element 22 and the adapter element 24 is omitted when compacting, when according to the configuration Fig. 2 is assumed.
  • the lower edge 38 of the upper feeder part 18 acts as a stamp surface on the material to be compacted between the lower edge 38 and the mold model 12 during the compression process.
  • Fig. 4 is a plan view of the feeder element 10.
  • four Wegbebankr 26 are uniformly distributed over the circumference of the adapter element 24, which are an integral part of the adapter elements.
  • the tubular element 22 is located at a maximum insertion in sections of its circumference.
  • the Wegbebankr 26 are disposed within the adapter member 24 that the outer surface 46th of the first end 14 opposite edge region of the tubular member 22 is freely present in sections of the circumference.
  • the path limiter (s) 26 may be arranged in the adapter element 24 in such a way that the outer surface 46 of the edge region of the tubular element 22 opposite the first end 14 is freely present with its entire circumference.
  • Out Fig. 4 are the sectional planes A and B visible in the Figures 2 and 5 be used.
  • Fig. 5 shows an enlarged longitudinal section through the feeder element 10, consisting of the adapter part 24 and the tubular element 22.
  • the illustration includes two sectional planes through the adapter element 24: On the in Fig. 5 left side of the axis of rotation 48, the cutting plane is selected so that the Wegbeskyr 26 is not cut (section A), on the in Fig. 5 right side of the axis of rotation 48, the cutting plane passes through the Wegbeskyr 26 (section B, for the selection of the cutting planes see also Fig. 4 ). Again, it can be seen that the outer surface 46 of the first end 14 opposite edge portion 46 of the tubular member 22 is free in portions of the circumference.
  • the cavity 44 of the adapter member 24 includes the free portions of the outer surface 46 of the first end 14 opposite edge region of the tubular member 22 at maximum insertion, so that liquid metal during the casting process with the outer surface 46 of the tubular member 22 in contact and can remain there , After solidification of the metal is achieved so that the feeder insert 8 breaks off during cleaning in the immediate vicinity of the casting and not in the upper region of the outer surface 46 of the tubular member 22.
  • the tube-like element 22 can already be pushed completely into the adapter element 24 before the compression (cf. Fig. 2 ).
  • the compression forces acting on the feeder insert 8 during the compression process are absorbed only by the relative movement between the upper feeder part 18 and the adapter element 24.
  • a slot of at least 4 mm is ensured, see. Fig. 1 ,
  • the compression forces occurring during the compression of the molding material are counteracted by two separate relative movements: first, by the relative movement between the upper feeder part 18 relative to the adapter element 24 and, secondly, by the relative movement between the adapter element 24 and the tubular element 22.
  • FIGS 1-3 also illustrate schematically a method according to the invention for the arrangement of a feeder insert according to the invention in a casting mold.
  • a tube-like element 22 which is inserted into an adapter element 24, placed together with this on a centering mandrel 36 which is mounted on a mold model 12.
  • the tubular element 22 is thereby brought into direct contact with the mold model 12 with a first end 14.
  • Fig. 1 is the tubular element only partially, that is not pushed far into the adapter element 24.
  • the tubular element 22 can be inserted maximally far into the adapter element 24, cf. Fig. 2 ,
  • an upper feeder part is placed on the adapter element 24 so that it is supported by this.
  • an upper feeder part is placed on the adapter element 24 so that it is supported by this.
  • holding projections 34 are provided.
  • the feeder insert 8 is wrapped with molding sand 32 or other molding material (sheath indicated only in the lower area).
  • the tube-like element 22 is inserted as far as possible into the adapter element 24, so that it bears against travel limiters 26 and can no longer be inserted into the adapter element 24. Whether the tubular element 22 partially or maximally in the adapter element 24 before the Compression process is inserted depends on the particular application.
  • the arrangement results according to Fig. 3 The retaining projections 34 are broken off from the adapter element 24, the upper feeder part 18 is telescopically pushed a distance on the adapter element 24.
  • the displacement path of the upper feeder part 18 on the adapter element 24 is predetermined by the degree of molding material compaction.
  • the tubular member 22, as in Fig. 1 shown was not pushed far into the adapter element 24 before the compression process, it is inserted so far into the adapter element 24 by the force acting during the compression process until it rests against the Wegbegrenzern 26 and is then prevented from further insertion.
  • the spring mandrel 36 breaks through the upper wall 54 of the upper riser 18; the depth of the centering bore 52 is chosen so that the displacement between the upper feeder part and the adapter element 24 is not hindered.
EP07847249A 2006-11-24 2007-11-21 Speisereinsatz und speiserelement Active EP2097193B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07847249T PL2097193T3 (pl) 2006-11-24 2007-11-21 Wkładka zasilacza i element zasilacza

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006055988A DE102006055988A1 (de) 2006-11-24 2006-11-24 Speisereinsatz und Speiserelement
PCT/EP2007/062620 WO2008062007A1 (de) 2006-11-24 2007-11-21 Speisereinsatz und speiserelement

Publications (2)

Publication Number Publication Date
EP2097193A1 EP2097193A1 (de) 2009-09-09
EP2097193B1 true EP2097193B1 (de) 2011-02-16

Family

ID=38962631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07847249A Active EP2097193B1 (de) 2006-11-24 2007-11-21 Speisereinsatz und speiserelement

Country Status (15)

Country Link
US (1) US20090301684A1 (es)
EP (1) EP2097193B1 (es)
JP (1) JP2010510071A (es)
KR (1) KR20090088885A (es)
CN (1) CN101563177B (es)
AT (1) ATE498464T1 (es)
AU (1) AU2007324542B2 (es)
BR (1) BRPI0717660A2 (es)
CA (1) CA2670437A1 (es)
DE (2) DE102006055988A1 (es)
EA (1) EA014660B1 (es)
ES (1) ES2358456T3 (es)
PL (1) PL2097193T3 (es)
WO (1) WO2008062007A1 (es)
ZA (1) ZA200903456B (es)

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DE102013209775B3 (de) * 2013-05-27 2014-10-23 Chemex Gmbh Speisereinsatz

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JP5031700B2 (ja) * 2008-09-09 2012-09-19 有限会社フオセコ・ジャパン・リミテッド 砂鋳型の製造方法及び治具
DK2718040T3 (en) * 2011-06-13 2017-07-31 Componenta Oyj DEVICE AND METHOD OF METAL CASTING FORMS
US20150096707A1 (en) 2012-03-12 2015-04-09 Actech Gmbh Method for positioning and fixing mold parts in casting molds
CN103264143A (zh) * 2013-03-05 2013-08-28 南通华东油压科技有限公司 一种制造行走机械马达盖专用冒口
CN103128231B (zh) * 2013-03-12 2015-10-07 洛阳古城机械有限公司 一种解决缸盖气门凸台缩孔缩松的方法
US9114452B2 (en) * 2013-10-21 2015-08-25 Mcconway & Torley, Llc Method and system for casting metal
CN103978159B (zh) * 2014-05-26 2016-08-24 安徽省恒泰动力科技有限公司 一种单缸风冷发动机缸盖的浇注系统
DE102014215715A1 (de) * 2014-08-07 2016-02-11 Chemex Gmbh Anordnung zur Verwendung beim Herstellen einer teilbaren Gießform
GB201415516D0 (en) * 2014-09-02 2014-10-15 Foseco Int Feeder system
US10286445B2 (en) 2015-09-02 2019-05-14 Foseco International Limited Feeder system
JP6495438B2 (ja) 2015-09-02 2019-04-03 フォセコ インターナショナル リミテッドＦｏｓｅｃｏ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｌｉｍｉｔｅｄ 押湯システム
DE202016103215U1 (de) * 2016-06-17 2017-06-20 Foseco International Limited Modulares Speisersystem
CN107214302A (zh) * 2017-05-18 2017-09-29 西峡县众德汽车部件有限公司 一种新型的铸件浇注方法
EP3407617B1 (en) 2017-05-25 2020-01-22 Electronic Controls Company Horn speaker
EP3687713A4 (en) * 2017-09-28 2021-03-03 Cukurova Kimya Endustrisi A.S. FASTENING SYSTEM FOR A FEEDING SLEEVE
CN108057846B (zh) * 2017-12-12 2019-06-11 重庆乐迪机车车辆配件有限公司 一种冒口套结构
DE102017131280A1 (de) * 2017-12-22 2019-06-27 Chemex Foundry Solutions Gmbh Verfahren zum Herstellen eines Formteils sowie Speisereinsatz zur Verwendung in einem solchen Verfahren
USD872781S1 (en) 2018-04-13 2020-01-14 Foseco International Limited Breaker core
DE102019102449A1 (de) 2019-01-31 2020-08-06 Chemex Foundry Solutions Gmbh Einteiliger Speiserkörper zur Verwendung beim Gießen von Metallen
DE102019104180A1 (de) * 2019-02-19 2020-08-20 Chemex Foundry Solutions Gmbh Einteiliger Speiserkörper zur Verwendung beim Gießen von Metallen
CN110369679A (zh) * 2019-08-26 2019-10-25 共享装备股份有限公司 冒口定位卡
RU203249U1 (ru) * 2020-03-26 2021-03-29 Фосеко Интернэшнл Лимитед Питающая система

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DE10039519B4 (de) * 2000-08-08 2007-05-31 Chemex Gmbh Speisereinsatz
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Also Published As

Publication number Publication date
ATE498464T1 (de) 2011-03-15
PL2097193T3 (pl) 2011-07-29
JP2010510071A (ja) 2010-04-02
EA200970507A1 (ru) 2009-10-30
ES2358456T3 (es) 2011-05-10
US20090301684A1 (en) 2009-12-10
EP2097193A1 (de) 2009-09-09
ZA200903456B (en) 2010-04-28
CN101563177B (zh) 2011-11-09
DE502007006521D1 (de) 2011-03-31
KR20090088885A (ko) 2009-08-20
AU2007324542A1 (en) 2008-05-29
EA014660B1 (ru) 2010-12-30
DE102006055988A1 (de) 2008-05-29
CN101563177A (zh) 2009-10-21
AU2007324542B2 (en) 2011-06-02
CA2670437A1 (en) 2008-05-29
BRPI0717660A2 (pt) 2013-12-24
WO2008062007A1 (de) 2008-05-29

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