CN105531053A - Feeder insert for a vertically split casting mould - Google Patents
Feeder insert for a vertically split casting mould Download PDFInfo
- Publication number
- CN105531053A CN105531053A CN201480037872.3A CN201480037872A CN105531053A CN 105531053 A CN105531053 A CN 105531053A CN 201480037872 A CN201480037872 A CN 201480037872A CN 105531053 A CN105531053 A CN 105531053A
- Authority
- CN
- China
- Prior art keywords
- dispenser
- main body
- cavity
- opening
- region
- 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.)
- Pending
Links
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
- B22C9/088—Feeder heads
Abstract
A feeder insert (10) for use in a vertically split casting mould that is used for the casting of metals, having a feeder body (11) which has an internal cavity (12) as feeder volume and which is composed of an exothermic and/or insulating material and which, in the base surface (17) thereof which faces toward a pattern inserted into the casting mould during production of the casting mould, has a feeder opening (18) for connecting the cavity (12) to the mould cavity of the casting mould, wherein the feeder body (11) is oriented with its longitudinal axis (21), which runs through the feeder opening (18), at an angle with respect to the vertically oriented pattern and so as to be horizontal relative to the pattern, and the volume of the internal cavity (12) is of asymmetrical design with respect to an imaginary parting plane (25) running in or parallel to the longitudinal axis (21), is distinguished by the fact that the feeder body (11) has an uneven mass distribution with respect to the parting plane (25), with a centre of mass situated to one side of and spaced apart from the parting plane (25), and that region (28) of the internal cavity (12) of the feeder body (11) which is situated on that side of the parting plane (25) which is situated opposite the centre of mass has a larger volume than that region (29) of the internal cavity (12) which is situated on that side of the parting plane (25) which faces toward the centre of mass.
Description
Technical field
Use when the present invention relates to one for being applied in casting (Gie en) metal, dispenser insert (Speisereinsatz in the mold (Gie form) of vertical separation, be sometimes referred to as feeder insert), its cavity with the inside had as dispenser volume (being sometimes referred to as rising head volume), by heat release and/or the dispenser main body (being sometimes referred to as rising head main body) made of the material of insulating effect, this dispenser main body has dispenser opening (being sometimes referred to as riser openings) when it be connected with the mould cavity (Formhohlraum) of mold towards being inserted in the bottom surface of the model (Modell) in mold when building mold for by cavity, wherein the longitudinal axis that stretches through dispenser opening with it of dispenser main body with the angled mode relative model of vertical orientated model (liegend flatwise, be sometimes referred to as flatly) carry out orientation and the volume of the cavity of inside is designed to about on longitudinal axis or to be parallel to the imaginary separating plane that longitudinal axis stretches asymmetric.
Background technology
Dispenser insert with above-mentioned feature is known by file EP2489450A1.This dispenser insert has arranged and has been set up to for being applied in the mold of vertical separation.The mold of such vertical separation is known and such as obtains from file WO2010/041091A1.By means of correspondingly by set up and the former (Formanlage) be described in file WO2010/041091A1 is built in the scope of such mold, dispenser insert when building mold the model of standing upright or corresponding mould plate place directed and with the layout almost kept flat by moulding (einformen) in mold, thus the dispenser opening making this dispenser insert vertically orientation equally haply.Produce such problem when such orientation of dispenser insert, namely when in casting cycle due to the volume in the solidification process of metal in mould cavity shrink discharge liquid metal in the cavity occurred by the inside from dispenser main body and feed is carried out to mould cavity time the liquid level of the metal of the liquid state in the cavity of the inside of dispenser main body can be dropped to make the no longer complete plated degree by liquid state of the cross section of vertical dispenser opening.This can cause being connected to dispenser main body place and being in the dispenser opening of this dispenser main body the region be connected and being emptied in the cavity of the inside of dispenser insert of the mould cavity be injected into of mold.In addition, if the cavity of the inside of dispenser main body is excessively emptying during feeding process, then the dispenser modulus (Speisermodul is sometimes referred to as feeder modulus) of dispenser insert diminishes.
In order to resist this problem, be arranged in the dispenser insert described in file EP2489450A1, the dispenser opening of dispenser insert misplaces downwards prejudicially relative to the vertical axis of dispenser main body, and the volume that the volumetric ratio being in more than dispenser opening of wherein inner cavity is in below dispenser opening is larger.Additionally dispenser main body can with its longitudinal axis also from horizontal alignment surface thereof.Should realize thus, dispenser opening always covered by the metal of the liquid state be in inner cavity during casting cycle.In addition known dispenser insert has to be configured in the wall region place that surrounds inner cavity and extend into the so-called Williams core (Williamskern is sometimes referred to as pencil core) of the form of the protuberance in inner cavity with its top.This Williams core is arranged in being placed on dispenser opening of the cavity of the inside of dispenser insert and has in the region of larger volume.
Still have such shortcoming to be associated with known dispenser insert, namely dispenser main body always should be fixed on model place with correct orientation or orientation due to its structure.With regard to dispenser main body should be plugged this attachment forming core shaft (Aufformdorn) being positioned at model place upper with regard to, propose in file EP2489450A1, form fit is set up, always to guarantee the correct orientation of dispenser main body relative to the model of carrying attachment forming core shaft between attachment forming core shaft and dispenser main body.However still still can not get rid of completely when dispenser insert is directed and make mistakes.
By the known a kind of feeder assembly of file SU776740A1, wherein on the dispenser insert of vertically moulding in the mould in order to construct in molding sand that mold introduces the dispenser head be configured with the cavity for holding liquid metal.Equally vertically the Williams core of orientation protrudes into cavity from the sidewall of dispenser head, and its relative dispenser insert of face towards the bottom of dispenser insert has spacing ground and this dispenser insert stretches abreast relatively.Such assembling is not suitable for the layout and corresponding structure that feeder assembly keeps flat in the mould.
Summary of the invention
Therefore the object of the invention is, design like this is with the dispenser insert starting the feature of kind mentioned, and defective orientation when namely making to avoid dispenser insert in the mold of moulding to vertical separation also remains unchanged to the advantage that mould cavity carries out feed fully simultaneously.
The solution of this object obtains in the content of the interior patent claims by being placed in after description together with favourable design of the present invention and improvement project.
The present invention is arranged to, and has not reciprocity Mass Distribution and the region that the side of putting the relative with mass cg of separating plane of the cavity of the inside of dispenser main body is settled has the volume larger in the region of settling on the side of mass cg of separating plane of the cavity than inside dispenser main body to be placed on the side of separating plane at mass cg and to have spacing with separating plane about separating plane.
Such advantage is associated with the present invention, namely dispenser insert due to not reciprocity Mass Distribution when moulding automatic orientation.If dispenser insert constructed according to the invention is such as plugged on attachment forming core shaft when equipping casting model, so dispenser insert automatically turns in such position due to not reciprocity Mass Distribution, and the larger volume part of namely inner in this position cavity is positioned at more than the longitudinal axis stretched through dispenser opening of dispenser main body.Guarantee thus, the volume of the metal of the liquid state stored more than dispenser opening becomes large and is dimensioned to is enough to be used in feeding process, thus dispenser insert can not no-load running in feeding process.Simultaneously this dispenser opening cross section always by be in dispenser main body inside cavity in the metal of liquid state covered.
Be arranged to according to an embodiment of the present, by constructing different wall thickness to realize not reciprocity Mass Distribution at dispenser main body place, its mesospore region when dispenser main body at vertical model place flatwise orientation the region of settling below separating plane there is the wall thickness larger than the region of settling more than separating plane in the wall region of dispenser main body.
The present invention can realize when such dispenser insert, and namely the longitudinal axis of dispenser opening forms the axis of dispenser main body wherein.But alternatively such design of dispenser insert is also possible, namely the longitudinal axis of dispenser opening is arranged to eccentric relative to the axis of dispenser main body wherein, as this is known by the file EP2489450A1 of this class.
In addition can be arranged to, the opening alignedly arranged with dispenser opening on the longitudinal axis stretched through dispenser opening is provided with for being contained in the fixing attachment forming core shaft in the casting model place be inserted in mold in the cover region that dispenser main body is relative with bottom surface at it and put, thus dispenser insert can be passed before attachment shaping (Aufformen) on attachment forming core shaft, dispenser insert can not slide during modeling process from this attachment forming core shaft thus.During forming process dispenser insert still continue subsequently dispenser insert or carry this dispenser insert mandrel vertical axis direction at the direction superior displacement of model towards carrying attachment forming core shaft.On the attachment forming core shaft that dispenser insert can be plugged rigidity by a way known or also plug in so-called elastic central spindle.
Such as manufacture reason can be arranged to, dispenser main body have two along be separated with the transversal line that its longitudinal axis stretches at a right angle and in order to construct the half that dispenser main body is bonded together.
Be arranged to according to an embodiment of the present, be fixed with at the bottom surface place of dispenser main body be preferably made of metal and there is the profiled part of the pass through openings of aiming at the dispenser opening of dispenser main body, as this is known by the file EP2489450A1 of this class.Profiled part achieves the object identical with when dispenser insert in the mold being inserted into horizontal separation thus.
Accompanying drawing explanation
In drawing, depict embodiments of the invention, be described below these embodiments.Wherein:
Fig. 1 shows the dispenser insert in the position be associated with vertical mold half with side cross-sectional view,
Fig. 2 shows the object of Fig. 1 together with the profiled part forming its dispenser base.
Detailed description of the invention
Dispenser insert 10 as seen from Figure 1 has dispenser main body 11, and this dispenser main body comprises the wall region 13 and cover region 14 that surround as the cavity 12 of the inside of so-called dispenser volume.Dispenser main body has the outside 16 in wall region 13 and surrounds inner face 15 and the bottom surface 17 of inner cavity 12, is configured with dispenser opening 18 in this bottom surface.
" keeping flat " arrange shown in dispenser insert 10 should be associated with vertical mold half 20, dispenser insert can be plugged for this reason unshowned, be configured on the attachment forming core shaft at the model place be inserted in mold.Attachment forming core shaft extend through dispenser opening 18 in bottom surface 17 and extend until dispenser insert 10 cover region 14 in, in this cover region 14, be wherein configured with the opening 22 on the top for holding attachment forming core shaft.Can occur in this such situation between attachment shaping period, all the other cross sections of cover region are worn out on the top namely adhering to forming core shaft in opening 22.But this is similarly known in prior art.
Can know and find out, being in of wall region 13 overlaps with the longitudinal axis 21 (this longitudinal axis 21 forms the vertical axis of dispenser main body 11 in the embodiment shown in drawing) of dispenser opening 18 simultaneously, imaginary and the region 26 extending into the separating plane more than 25 in drawing plane has the material thickness obviously thinner than the region 27 being placed in separating plane less than 25 in wall region 13 and obvious less quality thus, thus the mass cg do not limited further in drawing in the whole wall region 13 of dispenser insert 10 is under any circumstance all positioned at separating plane less than 25.This causes, make dispenser insert 10 turn in such position forcibly being incorporated into before the molding materials consolidation (Verdichten) in mold after plugging on attachment forming core shaft, be namely positioned at separating plane 25 in the heavier region 27 in this mesospore region, position 13 all the time due to the gravity worked or adhere to below the longitudinal axis of forming core shaft.
Simultaneously, the cavity 12 of the inside of dispenser insert 10 is designed to about longitudinal axis 21 asymmetric, and wherein inner being placed in the relative with mass cg of separating plane 25 of cavity 12 and region 28 on the side of putting have the volume larger towards the region 29 on the side of mass cg being placed in separating plane 25 than cavity 12.Due to dispenser insert 10 as described, when plugging on attachment forming core shaft, such was the case with carrys out orientation, namely the heavier region 27 in wall region 13 is made to be placed in below the longitudinal axis of attachment forming core shaft, this must cause, and the region 28 with larger volume of inner cavity 12 is positioned at longitudinal axis 21 or separating plane more than 25.Guarantee thus, due to inside cavity 12 relative to the dispenser insert of traditional symmetry add and the volume of upward displacement makes the volume of the metal treating the liquid state held by dispenser insert 10 so far forth extended, namely make volume size be designed to be enough to be used in feed, and dispenser insert 10 can not no-load running and its dispenser opening 18 can not become spacious (freigeben).
In addition by Fig. 1 also can it is seen that, for the reason dispenser main body 11 more simply manufactured have two along be separated with the transversal line 23 that its longitudinal axis 21 stretches at a right angle and in order to construct the half 11a that dispenser main body 11 is joined together, 11b, these half can respectively as single-piece manufacture.
Embodiment is only with the difference of the embodiment described before shown in figure 2, be furnished with the profiled part 30 of preferably metal at bottom surface 17 place of dispenser insert 10 and this profiled part connects preferably by bonding with bottom surface 17, this profiled part has hat shape or is also profile and the pass through openings 31 of aiming at the bottom opening 17 of dispenser insert 10 of column.Such structure comprises such profiled part 30 (its can also be configured to itself deformable) in this prior art corresponding to this type of.
The feature disclosed in above-mentioned description, patent claims, specification digest and accompanying drawing of the object of this written material can be important for realizing with different form of implementation of the present invention for the present invention individually and with combination each other arbitrarily.
Claims (7)
1. one kind for being applied in casting metals time use, dispenser insert (10) in the mold of vertical separation, this dispenser insert is with the cavity (12) of the inside had as dispenser volume, by heat release and/or the dispenser main body (11) made of the material of insulating effect, this dispenser main body has dispenser opening (18) in the bottom surface (17) of the model in mold when it be connected with the mould cavity of described mold towards being inserted into when building mold for by described cavity (12), the longitudinal axis (21) that wherein said dispenser main body (11) stretches through described dispenser opening (18) with it is to carry out orientation flatwise with the angled mode relative model of vertical orientated model, and the volume of the cavity of described inside (12) is designed to about upper at longitudinal axis (21) or to be parallel to the imaginary separating plane (25) that longitudinal axis (21) stretches asymmetric, it is characterized in that, described dispenser main body (11) has when spacing and has not reciprocity Mass Distribution about described separating plane (25) on the side that mass cg is placed in described separating plane (25) and with described separating plane, and the region (28) that the side of putting the relative with described mass cg of described separating plane (25) of the cavity (12) of the inside of described dispenser main body (11) is settled has the volume larger in the region (29) of settling on the side of described mass cg of described separating plane (25) of the cavity (12) than described inside.
2. dispenser insert according to claim 1, it is characterized in that, described not reciprocity Mass Distribution is by constructing different wall thickness to realize at described dispenser main body (11) place, wherein said wall region (13) when described dispenser main body (11) at vertical model place flatwise orientation there is in the region (27) that described separating plane (25) is settled below the wall thickness larger than the region (26) of settling more than described separating plane (25) of the described wall region (13) of described dispenser main body (11).
3. dispenser insert according to claim 1 and 2, is characterized in that, the longitudinal axis (21) of described dispenser opening (18) forms the axis of described dispenser main body (11).
4. dispenser insert according to claim 1 and 2, is characterized in that, the longitudinal axis (21) of described dispenser opening (18) is arranged to eccentric relative to the axis of described dispenser main body (11).
5. the dispenser insert according to any one of Claim 1-3, it is characterized in that, described dispenser main body (11) is relative with bottom surface (17) at it and be provided with in the cover region (14) of putting at the upper opening (22) alignedly arranged with described dispenser opening (18) of the longitudinal axis (21) stretched through described dispenser opening (18) for being contained in the fixing attachment forming core shaft in the model place be inserted in described mold.
6. the dispenser insert according to any one of claim 1 to 5, it is characterized in that, described dispenser main body (11) have two along be separated with the transversal line (23) that the longitudinal axis (21) of described dispenser opening (18) stretches at a right angle and in order to construct the half (11a, 11b) that described dispenser main body (11) is joined together.
7. the dispenser insert according to any one of claim 1 to 6, it is characterized in that, be fixed with at described bottom surface (17) place of described dispenser main body (11) be preferably made of metal and there is the profiled part (30) of the pass through openings (31) of aiming at the described dispenser opening (18) of described dispenser main body (11).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13174766 | 2013-07-02 | ||
| EP13174766.9 | 2013-07-02 | ||
| PCT/EP2014/063894 WO2015000866A1 (en) | 2013-07-02 | 2014-07-01 | Feeder insert for a vertically split casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105531053A true CN105531053A (en) | 2016-04-27 |
Family
ID=48700461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480037872.3A Pending CN105531053A (en) | 2013-07-02 | 2014-07-01 | Feeder insert for a vertically split casting mould |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170014896A1 (en) |
| CN (1) | CN105531053A (en) |
| DE (1) | DE112014003099A5 (en) |
| WO (1) | WO2015000866A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441684A (en) * | 2020-03-26 | 2021-09-28 | 福塞科国际有限公司 | Feeder system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU776740A1 (en) * | 1977-12-20 | 1980-11-07 | Предприятие П/Я А-3470 | Feeder head for castings |
| DE4219632A1 (en) * | 1992-01-07 | 1994-01-20 | Erich Kuehn | Two-part feeder unit for a metal casting plant - with grooves in the connector opening in the feeder bottom |
| DE20112425U1 (en) * | 2001-07-27 | 2001-10-18 | Gtp Schaefer Giestechnische Pr | Feeder insert with metallic feeder foot |
| GB0325134D0 (en) * | 2003-10-28 | 2003-12-03 | Foseco Int | Improved feeder element for metal casting |
| DE102005008324A1 (en) * | 2005-02-23 | 2006-08-24 | AS Lüngen GmbH & Co. KG | Cast metal feeder having feeder head having hollow space with at least one hole open to environment and tube-shaped body used in metal casting operations has element for preventing tube-shaped body from falling out |
| DE102005049734A1 (en) * | 2005-10-14 | 2007-04-26 | Hofmann Ceramic Gmbh | Feeder insert for placement in a mold used in the casting of metals |
| PL2489450T3 (en) * | 2011-02-17 | 2014-12-31 | Foseco Int | Feeder element |
| DE202012010986U1 (en) * | 2012-11-15 | 2013-03-18 | Foseco International Ltd. | feeder system |
-
2014
- 2014-07-01 WO PCT/EP2014/063894 patent/WO2015000866A1/en active Application Filing
- 2014-07-01 DE DE112014003099.6T patent/DE112014003099A5/en not_active Withdrawn
- 2014-07-01 CN CN201480037872.3A patent/CN105531053A/en active Pending
- 2014-07-01 US US14/901,992 patent/US20170014896A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE112014003099A5 (en) | 2016-03-17 |
| US20170014896A1 (en) | 2017-01-19 |
| WO2015000866A1 (en) | 2015-01-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160427 |