CN104271288B - Casting method and casting mould - Google Patents
Casting method and casting mould Download PDFInfo
- Publication number
- CN104271288B CN104271288B CN201380022396.3A CN201380022396A CN104271288B CN 104271288 B CN104271288 B CN 104271288B CN 201380022396 A CN201380022396 A CN 201380022396A CN 104271288 B CN104271288 B CN 104271288B
- Authority
- CN
- China
- Prior art keywords
- piston
- rotary shaft
- casting
- die cavity
- mould
- 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.)
- Expired - Fee Related
Links
- 238000005266 casting Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005429 filling process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/08—Shaking, vibrating, or turning of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D15/00—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor
- B22D15/02—Casting using a mould or core of which a part significant to the process is of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor of cylinders, pistons, bearing shells or like thin-walled objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0009—Cylinders, pistons
- B22D19/0027—Cylinders, pistons pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
It is used in one casting in the method for piston for IC engine (10), define that the mould part of die cavity tilts at least 45 ° around horizontal axis before solidifying after filling, in order to rotary shaft (A) in the vertical direction of parts (10) moves.Also disclose a kind of for casting the casting mould of piston for IC engine (10), wherein, define that the mould part of die cavity can tilt at least 45 ° around horizontal axis before solidifying after filling, in order to rotary shaft (A) in the vertical direction of piston (10) moves.
Description
Technical field
The present invention relates to cast the method for piston for IC engine and corresponding casting mould.
The already known horizontal casting for cast rotating symmetrical parts and vertical casting method, described parts are such as
The piston of internal combustion engine.In horizontal casting procedures, the rotary shaft of parts to be cast is aligned to substantially water
Flat.This method is nowadays main to be used in the manufacture of diesel engine piston, and its major part uses insert to cast,
Such as ring support and the salt core for cooling duct afterwards.The vertical casting method of more uses casts gasoline
The piston of electromotor, does not cast insert in its major part.
Background technology
For vertical casting method, it is known that the example used before is to allow to tilt up to relative to vertical position
The machine of 30 ° of ground castings.
In casting method disclosed in DE 10 2,006 058 145 A1, introduce material according to lower casting principle, and
And according to upper casting principle solidification material.CH 135526 A relates to a kind of method for casting composite material block
And mould, wherein the obliquity of this mould is change in casting process.
Summary of the invention
The present invention is based on following purpose: provide a kind of casting method and corresponding mould, wherein the method relative to
Known method is improved, and at least combines at least portion of horizontal casting procedures and vertical casting method
Divide advantage.
On the one hand this purpose is realized by the method described in claim 1.
According to this claim, after filling die cavity or at least at the end of this process is close, and in solidification
Before, define that the mould part of die cavity rotates around horizontal axis or tilts at least 45 °, in order to will cast
The rotary shaft of piston move up in the side of vertical position, and be preferably at least drawn near it.Therefore originally
The basic concept of invention is substantially to fill this die cavity on the position of substantially " level " of die cavity.This provides
Particularly advantageous fill conditions, because compared to vertically casting, being such as positioned at the passage cooled down after a while of piston
With the region of the such relative thin of remaining wall thickness between ring support can preferably fill.And, when
When filling under level, representing the foreign particle of impurity in cast member, such as oxide or alfin are heavy
Shallow lake thing, by the region advantageously importing workpiece, and is then able to be removed it by minimum paying, or
Can be processed in any condition and thus remove.
Present invention utilizes the advantage of vertically casting, feed action the most here can preferably be carried out.This is substantially
Being because, cast the most rotational symmetric parts, its die cavity passes through horizontal casting procedures through being positioned at one
The dispenser of side is filled.According to the present invention, during being inclined upwardly towards the side of vertical casting method,
Employ the feed action of the general symmetry of center dispenser advantageously.Especially it is possible to expection, by
In improving feed, reduce the porosity of cast member.
According to the present invention, it is very important that die cavity tilts on the whole, in order to changes as described above and will cast
The alignment of rotary shaft of parts.In apparatus and method known in the prior art, close on die cavity the most not
The single mould part limited on the whole can rotate, and therefore do not have can for itself and the method according to the invention
Compare property.
This mould can be described as die cavity on the whole.
The advantageous embodiment of the method according to the invention is described in the dependent claims.
In order to affect with favourable will fill or have been filled with in die cavity with particularly accurate mode
This behavior of material, tilting action preferably can be set, in other words, can arrange in the filling process
The position of the rotary shaft of parts, and/or the angle of inclination of the parts in process of setting and/or the position of rotary shaft.
By flexibly setting angle of inclination, it can be advantageous to affect filling behavior and/or solidification behavior respectively.
In order to utilize the advantage of horizontal casting procedures and existing experience in especially comprehensively mode, it is presently preferred to
It is in the filling process the rotary shaft of the piston that will be cast to be aligned to general horizontal.
For same purpose, it is preferred that the rotary shaft of the piston will being cast in process of setting is right
Qi Chengqi is the most vertically.
In order to utilize the advantage of horizontal casting procedures, fill preferably fluent material is filled into during die cavity by
The lateral region of piston to be cast.In other words, cast gate is positioned at and will be filled by horizontal casting procedures
The lateral region of die cavity and preferably closing at relatively low 1/3rd.
About the casting mould according to the present invention, if this die cavity has at least one recess, then it is favourable,
When using horizontal casting procedures, this recess is positioned at the upper area of die cavity, is preferably located in the highest region.This
Sample, once fill complete, defines a kind of dirt bag in this region, and any impurity is rushed to wherein.
By dispenser being placed on upper area after tilting die cavity, particularly place it in cast gate not
Same place, it is possible to the advantage that especially comprehensively mode utilizes vertical casting method.
As it has been described above, the advantage of the method according to the invention can be especially appreciated that in this case, i.e. when making
When casting, by least one insert, the parts that will cast, described insert is such as the ring of piston for IC engine
Shape support and/or the core of cooling duct.But, it is easier to, therefore it is further preferred that when the portion that will cast
When part is aligned to level, put into insert, in specific applications, vertical casting method be preferably used and put into insert,
And tilt mould subsequently, and use horizontal casting procedures to fill die cavity.
Above-mentioned purpose can also be obtained by casting mould according to claim 8, use this mould,
Foregoing method and its advantage are able to implement with device.The preferred embodiment of the casting mould according to the present invention
Substantially consistent with above-mentioned preferred method.And, it is worth mentioning at this point that methodical list described herein
Individual feature may apply in device, and vice versa.
Accompanying drawing explanation
This figure graphically illustrates the method according to the invention during casting piston for IC engine.
Detailed description of the invention
As it can be seen, describe basis with the help of the piston for IC engine 10 that will cast illustrated clearly
The step of the present invention, but clearly, the die cavity receiving piston after a while is most being initially sky, and it leads to
Cross not shown suitable mould part to limit and surround.As it can be seen, the rotary shaft of the piston that will produce
A is at its initial position, i.e. when filling die cavity, it is aligned to generally level.It can be seen that piston pin hole 12
Close on the center of piston.Additionally, in the example in the figures, provide dispenser 16 at end regions, and
After tilting (with reference to the right hand portion of this figure), dispenser 16 is in top.In the filling process, this feed
Device is positioned at the side of workpiece, but after end-of-fill and in the solidification of workpiece, it is positioned at the peak of workpiece.
The cast gate that in figure 14 are indicated is positioned at sidepiece in the filling process of die cavity, i.e. according to the die cavity of display in figure
" front ".Cast gate 14 is preferably provided on the position different with dispenser 16, and it is preferably set up
Become and dispenser separates.In casting process, at the peak of die cavity, recess is preferably set in die cavity
18, which form one and impurity can be poured dirt bag therein.These impurity can letter in follow-up processing
Singly remove.Recess 18 can be disposed along any position of rotary shaft A of piston 10.
Make use of the symmetry of the piston 10 that will produce in process of setting, therefore such as right-hand area in figure
Shown in, after the material that will melt is filled, the die cavity of the piston that defines subsequently is tilted, in order to will make
The rotary shaft of the parts made is aligned to general vertical.In the illustrated embodiment, dispenser 16 in this state
It is positioned at upper area.Under such alignment, it is contemplated that curing condition can cause the parts produced to have excellent
Optimum energy.Such as, due on horizontal level fill, the marginal area at piston be found that such as oxide and
The foreign particles such as alfin precipitate, can easily remove these granules rather than as at vertical position herein
Upper fill time desired as piston bottom section find foreign particle.Therefore can be according in the present invention
Method provide this bottom section be used as with corresponding profile terminate casting bottom section, it need not
It is processed further.
Claims (11)
1. the method being used for casting piston for IC engine (10), the mould part that therein defining die cavity exists
At least 45 ° are tilted around horizontal axis before solidification, in order to the rotary shaft (A) of piston (10) after filling
Move up in the side of vertical position；
Wherein, the rotary shaft (A) of the most described piston (10) is aligned to general horizontal；
Wherein, the rotary shaft (A) in piston described in process of setting (10) is aligned to general vertical；And
Wherein, described die cavity has at least one recess (18), when the described piston (10) that will cast
When rotary shaft is aligned to general horizontal, described recess (18) is positioned at upper area.
Method the most according to claim 1, it is characterised in that angle of inclination is configured.
Method the most according to claim 1 and 2, it is characterised in that from the sidepiece of described piston (10)
Area filling founding materials.
Method the most according to claim 1, it is characterised in that after tilting described mould part, will
Dispenser (16) is arranged on the upper area of described piston (10).
Method the most according to claim 1, it is characterised in that cast described work by least one insert
Plug (10).
Method the most according to claim 5, it is characterised in that at least one insert described is for being used for cooling down
The core of passage and/or ring support.
7. the casting mould being used for casting piston for IC engine (10), it is characterised in that define die cavity
Mould part solidify after filling before can around horizontal axis tilt at least 45 °, in order to piston (10)
Rotary shaft (A) move up in the side of vertical position；
Wherein, the rotary shaft (A) of the most described piston (10) is aligned to general horizontal；
Wherein, the rotary shaft (A) in piston described in process of setting (10) is aligned to general vertical；And
Wherein, described die cavity has at least one recess (18), when the described piston (10) that will cast
When rotary shaft is aligned to general horizontal, described recess (18) is positioned at upper area.
Casting mould the most according to claim 7, it is characterised in that angle of inclination is to be configured
's.
9. according to the casting mould described in claim 7 or 8, it is characterised in that dispenser is disposed along living
Fill in the rotary shaft (A) of (10) and be positioned at the region of the end of piston (10).
Casting mould the most according to claim 7, it is characterised in that limit the mould of described die cavity
Part can tilt so that dispenser (16) is placed in upper area after tilting.
11. casting moulds according to claim 7, it is characterised in that when the described piston that will cast
(10), when rotary shaft is aligned to general horizontal, described recess (18) is located in one of on peak.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210207090 DE102012207090A1 (en) | 2012-04-27 | 2012-04-27 | Casting method and tool |
| DE102012207090.7 | 2012-04-27 | ||
| PCT/EP2013/058725 WO2013160447A2 (en) | 2012-04-27 | 2013-04-26 | Casting process and mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104271288A CN104271288A (en) | 2015-01-07 |
| CN104271288B true CN104271288B (en) | 2016-10-19 |
Family
ID=48463939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380022396.3A Expired - Fee Related CN104271288B (en) | 2012-04-27 | 2013-04-26 | Casting method and casting mould |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20150122448A1 (en) |
| EP (1) | EP2841223B1 (en) |
| CN (1) | CN104271288B (en) |
| BR (1) | BR112014026793B1 (en) |
| DE (1) | DE102012207090A1 (en) |
| ES (1) | ES2678621T3 (en) |
| HU (1) | HUE037819T2 (en) |
| IN (1) | IN2014KN02342A (en) |
| MX (1) | MX364761B (en) |
| PL (1) | PL2841223T3 (en) |
| WO (1) | WO2013160447A2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105357A (en) * | 1985-07-09 | 1987-09-09 | 洛阳工学院 | The metal mold that is used for rotary casting of piston |
| JP2002316253A (en) * | 2001-04-19 | 2002-10-29 | Taiheiyo Cement Corp | Method for tilting-casting metal-ceramics composite material |
| CN101594950A (en) * | 2006-12-09 | 2009-12-02 | Ksm铸造有限公司 | A kind of method, particularly casting to materials processing, and be used for realizing the mold of described method and by described method or the workpiece that produces at described mold |
| CN102223969A (en) * | 2008-11-24 | 2011-10-19 | 内马克迪林根有限公司 | Method and device for casting a cast part from a metal melt |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH135526A (en) * | 1928-01-27 | 1929-09-30 | Limited Aluminium | Method and mold for casting composite blocks. |
| US1993439A (en) * | 1933-05-31 | 1935-03-05 | Sterling Corp | Molding machine |
| US2195960A (en) * | 1934-08-15 | 1940-04-02 | Morris Engineering Corp | Apparatus for casting metal |
| US2620530A (en) * | 1945-02-07 | 1952-12-09 | United Engine & Machine Co | Manufacture of pistons |
| DE10019309C2 (en) * | 2000-04-19 | 2002-04-18 | Vaw Mandl & Berger Gmbh Linz | Rotary casting method and apparatus |
| US8727967B2 (en) * | 2008-07-18 | 2014-05-20 | Boston Scientific Scimed, Inc. | Endoscope with guide |
| JP4889783B2 (en) * | 2009-11-17 | 2012-03-07 | 日信工業株式会社 | Gravity casting method |
-
2012
- 2012-04-27 DE DE201210207090 patent/DE102012207090A1/en not_active Ceased
-
2013
- 2013-04-26 HU HUE13723434A patent/HUE037819T2/en unknown
- 2013-04-26 WO PCT/EP2013/058725 patent/WO2013160447A2/en active Application Filing
- 2013-04-26 CN CN201380022396.3A patent/CN104271288B/en not_active Expired - Fee Related
- 2013-04-26 IN IN2342KON2014 patent/IN2014KN02342A/en unknown
- 2013-04-26 ES ES13723434.0T patent/ES2678621T3/en active Active
- 2013-04-26 PL PL13723434T patent/PL2841223T3/en unknown
- 2013-04-26 US US14/397,267 patent/US20150122448A1/en not_active Abandoned
- 2013-04-26 MX MX2014013032A patent/MX364761B/en active IP Right Grant
- 2013-04-26 BR BR112014026793A patent/BR112014026793B1/en not_active IP Right Cessation
- 2013-04-26 EP EP13723434.0A patent/EP2841223B1/en not_active Not-in-force
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105357A (en) * | 1985-07-09 | 1987-09-09 | 洛阳工学院 | The metal mold that is used for rotary casting of piston |
| JP2002316253A (en) * | 2001-04-19 | 2002-10-29 | Taiheiyo Cement Corp | Method for tilting-casting metal-ceramics composite material |
| CN101594950A (en) * | 2006-12-09 | 2009-12-02 | Ksm铸造有限公司 | A kind of method, particularly casting to materials processing, and be used for realizing the mold of described method and by described method or the workpiece that produces at described mold |
| CN102223969A (en) * | 2008-11-24 | 2011-10-19 | 内马克迪林根有限公司 | Method and device for casting a cast part from a metal melt |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013160447A3 (en) | 2014-02-27 |
| WO2013160447A2 (en) | 2013-10-31 |
| EP2841223B1 (en) | 2018-05-30 |
| ES2678621T3 (en) | 2018-08-14 |
| DE102012207090A1 (en) | 2013-10-31 |
| MX2014013032A (en) | 2015-02-04 |
| EP2841223A2 (en) | 2015-03-04 |
| IN2014KN02342A (en) | 2015-05-01 |
| BR112014026793B1 (en) | 2020-01-14 |
| CN104271288A (en) | 2015-01-07 |
| PL2841223T3 (en) | 2018-09-28 |
| BR112014026793A2 (en) | 2017-06-27 |
| US20150122448A1 (en) | 2015-05-07 |
| HUE037819T2 (en) | 2018-09-28 |
| MX364761B (en) | 2019-05-06 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20210426 |