CN206356535U - A kind of running gate system cast for integrated exhaust manifolds cylinder head - Google Patents
A kind of running gate system cast for integrated exhaust manifolds cylinder head Download PDFInfo
- Publication number
- CN206356535U CN206356535U CN201720021662.6U CN201720021662U CN206356535U CN 206356535 U CN206356535 U CN 206356535U CN 201720021662 U CN201720021662 U CN 201720021662U CN 206356535 U CN206356535 U CN 206356535U
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- China
- Prior art keywords
- die cavity
- cylinder head
- cross gate
- pouring basin
- exhaust manifolds
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- 239000002893 slag Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 abstract description 36
- 239000002184 metal Substances 0.000 abstract description 36
- 239000007788 liquid Substances 0.000 abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 25
- 230000007547 defect Effects 0.000 abstract description 7
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008023 solidification Effects 0.000 abstract description 5
- 208000015943 Coeliac disease Diseases 0.000 description 23
- 238000005266 casting Methods 0.000 description 11
- 230000002146 bilateral effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model is related to a kind of running gate system cast for integrated exhaust manifolds cylinder head, including the pouring basin communicated with die cavity, the cross gate of the lower end connection of the sprue, front end and the sprue that are connected with the lower end of pouring basin, the anterior filter block of cross gate, the feeding head positioned at die cavity top are located at, it is characterized in that：Cross gate is located at the left upper portion of die cavity, and cross gate is provided with multiple ingates, and ingate is communicated with the top of die cavity.It ensure that Al-alloy metal liquid consecutive solidification from bottom to top and good feeding, can reduce Al-alloy metal liquid and splash and the defects such as the volume gas caused, slag inclusion of confluxing, improve product quality；Be conducive to excluding the gas in die cavity in time so that integrated exhaust manifolds position smooth in exhaust；Enable to molten metal flowing more steady, turbulent flow and volume gas phenomenon that reduction Al-alloy metal liquid is produced in pouring basin；The accurate feeding to cylinder head can be realized, the consistency of product is improved.
Description
Technical field
The utility model is related to cylinder cover of automobile engine, and in particular to one kind is used for the casting of integrated exhaust manifolds cylinder head
The running gate system made.
Background technology
Cylinder head is the important component in automobile engine, the complete machine of its dense structure's property, mechanical performance to engine
It can have a major impact.Integrated exhaust manifolds cylinder head, internal structure is complicated, wall thickness difference is big, Topical Dispersion thermal center is more, especially
It is exhaust manifold part, water channel is in thin-wall complicated network structure, is wrapped in exhaust duct, casting manufacturability is poor, is easily produced
The defects such as underpriming, shrinkage cavity shrinkage porosity, cause engine oil leakage.
There are two kinds currently used for the running gate system of cylinder head, one kind is bilateral bottom gating, it is main to include former the
One pouring basin 1, former first sprue 2 being connected with the former lower end of first pouring basin 1, the original first being connected with former first sprue 2
Cross gate 3, former first filter block 4, former first feeding head 5 for being located at the former front portion of first cross gate 3.Former first sprue 2 is wrapped
Include the first air inlet sprue and first exhaust sprue, the lower end insertion with former first pouring basin 1；Former first cross gate 3
In the die cavity bottom of casting mold, including the first air inlet cross gate and first exhaust cross gate, the first air inlet cross gate and the first air inlet
Sprue is connected, and first exhaust cross gate is connected with first exhaust sprue；Former first cross gate 3 is provided with least one original the
One ingate 6, and former first ingate 6 connects with the cavity bottom of casting mold.Al-alloy metal liquid fills type flow path：Pass through
Former first pouring basin 1 flows into former first cross gate 3 through former first sprue 2, then by former first cross gate 3 from cavity bottom two
Side is flowed into, and the liquid level of molten metal gradually rises from bottom to top in die cavity, until molten metal reaches top setting height, such as Fig. 1
It is shown.This bilateral bottom gating, liquid metal filling process is more steady, but fills upper strata molten metal temperature when type is completed
Lower layer is low, is unfavorable for realizing cylinder head consecutive solidification from bottom to top and effective feeding.Auxiliary equipment, process meanses need to be used
To ensure that aluminium alloy fills thermograde when type is completed, the technological parameter that must be controlled is more, and cylinder head shrinkage porosite, shrinkage cavity easily occurs and lacked
Fall into, casting yields, yield rate are low.
Another is bilateral top gating, mainly including under former second pouring basin 11 and former second pouring basin 11
Hold former second sprue 12 connected, former second cross gate 13 being connected with former second sprue 12, be located at former second cross gate
13 anterior former second filter blocks 14, former second feeding head 15.Former second sprue 12 includes the second air inlet sprue and the
Two exhaust sprues, the lower end insertion with former second pouring basin 11.Former second cross gate 13 is located at the die cavity top of casting mold, bag
The second air inlet cross gate and second exhaust cross gate are included, the second air inlet cross gate is connected with the second air inlet sprue, second exhaust
Cross gate is connected with second exhaust sprue；Former second cross gate 13 is provided with least one former second ingate 16, and former the
Two ingates 16 are connected with the die cavity top of casting mold.Al-alloy metal liquid fills type flow path：Pass through former second pouring basin 11
Former second cross gate 13 is flowed into through former second sprue 12, then is flowed into by former second cross gate 13 from die cavity top both sides, gold
The liquid level of category liquid is flowed into from top to bottom in die cavity, until molten metal reaches top setting height, as shown in Figure 2.This bilateral
Top gating, realizes molten metal and fills type at the top of the die cavity, cavity filling process and when completing, in die cavity lower metal liquid compared with
Upper strata molten metal temperature is low, beneficial to realizing casting consecutive solidification from bottom to top and good feeding, what casting process was additionally required
Process meanses are less, and casting yields, yield rate are higher.The comparison of this running gate system is more, but due to air inlet side and exhaust
Side enters the molten metal of die cavity, easily produces and confluxes and splash, and die cavity exhaust problem, especially integrated exhaust manifold position row
Gas is more difficult, and cast-internal easily forms oxide slag inclusion, gas hole defect, causes cylinder head oil leak, therefore could be improved.
The content of the invention
The purpose of this utility model is to provide a kind of running gate system cast for integrated exhaust manifolds cylinder head, its energy
Enough ensure Al-alloy metal liquid consecutive solidification from bottom to top and good feeding, Al-alloy metal liquid can be reduced and splash and conflux
The defects such as the volume gas, the slag inclusion that cause, improve product quality；Be conducive to excluding the gas in die cavity in time so that integral exhaust
Manifold position smooth in exhaust；Enable to molten metal flowing more steady, reduction Al-alloy metal liquid is produced in pouring basin
Turbulent flow and volume gas phenomenon；The accurate feeding to cylinder head can be realized, the consistency of product is improved.
It is described in the utility model it is a kind of for integrated exhaust manifolds cylinder head cast running gate system, including with die cavity
What the pouring basin communicated, the sprue being connected with the lower end of the pouring basin, front end were connected with the lower end of the sprue horizontal pours
Road, filter block, the feeding head positioned at the die cavity top for being located at the cross gate front portion, it is characterized in that：The cross gate
Be located at the left upper portion of the die cavity, and the cross gate is provided with multiple ingates, the ingate with the die cavity
Top is communicated.
Further, the right side of the die cavity is provided with slag trap, and length direction of the slag trap along the die cavity is set, and institute
State the top of slag trap provided with it is multiple go out air cleft.
Further, the middle part of the pouring basin is provided with indent dividing plate.
Further, the feeding head is multiple.
Further, the ingate is flat.
The beneficial technique effect of the utility model：
Due to cross gate and ingate to be located to the left upper portion of die cavity, it is ensured that Al-alloy metal liquid from bottom to top suitable
Sequence solidifies and good feeding, reduces Al-alloy metal liquid and splashes and the defects such as the volume gas caused, slag inclusion of confluxing, improves product
Quality；Due to being provided with slag trap on the right side of die cavity and going out air cleft, be conducive to excluding the gas in die cavity in time so that integrated form
Exhaust manifold position smooth in exhaust；Due to being provided with indent dividing plate in the middle part of pouring basin so that molten metal flowing is more put down
Surely, turbulent flow and volume gas phenomenon that Al-alloy metal liquid is produced in pouring basin are reduced；Due to devising multiple feeding heads, energy
The accurate feeding to cylinder head is enough realized, the consistency of product is improved.
Brief description of the drawings
Fig. 1 is the structural representation of bilateral bottom gating and forming cylinder lid；
Fig. 2 is the structural representation of bilateral top gating and forming cylinder lid；
Fig. 3 is the structural representation of the utility model and forming cylinder lid；
Fig. 4 is Fig. 3 front view；
Fig. 5 is Fig. 3 top view.
In figure：1- the first pouring basins of original, 2- the first sprues of original, 3- the first cross gates of original, 4- the first filter blocks of original, 5- is former
First feeding head, 6- the first ingates of original；
11- the second pouring basins of original, 12- the second sprues of original, 13- the second cross gates of original, 14- the second filter blocks of original, 15- is former
Second feeding head, 16- the second ingates of original；
21- pouring basins, 22- sprues, 23- cross gates, 24- filter blocks, 25- feeding heads, 26- ingates, 27- collection slags
Bag, 28- goes out air cleft, 29- indent dividing plates, 30- forming cylinder lids.
Embodiment
The utility model is elaborated below in conjunction with drawings and examples.
The left side of signified die cavity is the air inlet side of forming cylinder lid 30 in figure, and the right side of die cavity is forming cylinder lid
30 exhaust side.
Referring to a kind of running gate system cast for integrated exhaust manifolds cylinder head shown in Fig. 3, Fig. 4, Fig. 5, including
The pouring basin 21 communicated with die cavity, the sprue 22 being connected with the lower end of the pouring basin 21, front end and the sprue 22
The cross gate 23 of lower end connection, filter block 24, the feeding head positioned at the die cavity top for being located at the front portion of cross gate 23
25, it is characterized in that：The cross gate 23 is located at the left upper portion of the die cavity, and the cross gate 23 is provided with four ingates
26, top of the ingate 26 with the die cavity is communicated.The number of ingate 26 is set as the case may be, Ke Yishi
Three, four, five, six etc..Al-alloy metal liquid fills type at the top of air inlet side, can reduce the splashing of Al-alloy metal liquid
With the defects such as the volume gas caused, slag inclusion of confluxing, product quality is improved, prevents cylinder head from shrinkage porosite and Shrinkage Problem occur.
Referring to Fig. 3, the right side of the die cavity is provided with slag trap 27, and the length direction of the slag trap 27 along the die cavity is set
Put, and the top of the slag trap 27 goes out air cleft 28 provided with three.The number for going out air cleft 28 is set as the case may be, may be used also
To be four, five, six etc..Slag trap 27 is beneficial to exclude the gas in die cavity in time with being designed with for air cleft 28 is gone out so that
Integrated exhaust manifolds position smooth in exhaust, reduces the formation of oxide slag inclusion and stomata.
The middle part of the pouring basin 21 is provided with indent dividing plate 29.Recessed dividing plate 29 can enable aluminum alloy to molten metal in cast gate
Flowed in the shape of a spiral in basin 21 so that the Al-alloy metal liquid first injected in pouring basin is preferentially entered in die cavity.Enable to gold
Belong to liquid and flow more steady, turbulent flow and volume gas phenomenon that reduction Al-alloy metal liquid is produced in pouring basin 21.
The feeding head 25 is five.The number of feeding head 25 is set according to number of cylinders.Using independent multiple
Feeding head 25 being capable of the more accurate consistency for carrying out feeding processing to cylinder head, improving product.
The ingate 26 is flat.
The utility model has advantages below compared with prior art：
One is that by the way of air inlet side teeming, ensure that the consecutive solidification of Al-alloy metal liquid from bottom to top and good
Feeding, relative to bilateral top gating, Al-alloy metal liquid splashes and the defects such as the volume gas caused, slag inclusion of confluxing subtract
It is low；Two be to devise slag trap 27 in exhaust side and go out air cleft 28, is conducive to the smooth exclusion of gas in die cavity；Three be pouring basin
Indent dividing plate 29 has been set in 21, molten metal can be enabled aluminum alloy to and flowed in the shape of a spiral in pouring basin so that pouring basin is first injected
In Al-alloy metal liquid preferentially enter die cavity, oxidizing slag can be blocked, it is ensured that molten metal flowing is steady, reduce Al-alloy metal
Turbulent flow and volume gas phenomenon that liquid is produced in pouring basin 21；Four be that feeding head 25 is changed into multiple from one before, Neng Goushi
Now to the accurate feeding of cylinder head, the consistency of product is improved.
During cast, by the steady injection pouring basin 21 at the uniform velocity of the Al-alloy metal liquid under molten condition, the duration of pouring is
20 to 25 seconds, casting process can not stop so that Al-alloy metal liquid quickly fills with die cavity, until liquid level rises to benefit
Going out at the top of air cleft for contracting rising head and exhaust side slag trap, treats that the Al-alloy metal liquid natural cooling in die cavity and running gate system is coagulated
Gu, you can obtain forming cylinder lid.
Claims (5)
1. it is a kind of for integrated exhaust manifolds cylinder head cast running gate system, including communicated with die cavity pouring basin (21),
The cross gate that the sprue (22) that is connected with the lower end of the pouring basin (21), front end are connected with the lower end of the sprue (22)
(23) the anterior filter block (24) of the cross gate (23), the feeding head (25) positioned at the die cavity top, its feature, are located at
It is：The cross gate (23) is located at the left upper portion of the die cavity, and the cross gate (23) is provided with multiple ingates (26),
Top of the ingate (26) with the die cavity is communicated.
2. the running gate system according to claim 1 cast for integrated exhaust manifolds cylinder head, it is characterized in that：It is described
The right side of die cavity is provided with slag trap (27), and length direction of the slag trap (27) along the die cavity is set, and the slag trap
(27) top provided with it is multiple go out air cleft (28).
3. the running gate system according to claim 1 or 2 cast for integrated exhaust manifolds cylinder head, it is characterized in that：
The middle part of the pouring basin (21) is provided with indent dividing plate (29).
4. the running gate system according to claim 1 or 2 cast for integrated exhaust manifolds cylinder head, it is characterized in that：
The feeding head (25) is multiple.
5. the running gate system according to claim 1 or 2 cast for integrated exhaust manifolds cylinder head, it is characterized in that：
The ingate (26) is flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021662.6U CN206356535U (en) | 2017-01-10 | 2017-01-10 | A kind of running gate system cast for integrated exhaust manifolds cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021662.6U CN206356535U (en) | 2017-01-10 | 2017-01-10 | A kind of running gate system cast for integrated exhaust manifolds cylinder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356535U true CN206356535U (en) | 2017-07-28 |
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ID=59380142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720021662.6U Active CN206356535U (en) | 2017-01-10 | 2017-01-10 | A kind of running gate system cast for integrated exhaust manifolds cylinder head |
Country Status (1)
| Country | Link |
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| CN (1) | CN206356535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521561A (en) * | 2017-08-03 | 2017-12-29 | 安徽万安汽车零部件有限公司 | A kind of automobile rear sub-frame and its casting method |
| CN111054898A (en) * | 2019-12-23 | 2020-04-24 | 湛江德利车辆部件有限公司 | Die casting system for die-casting parts |
-
2017
- 2017-01-10 CN CN201720021662.6U patent/CN206356535U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521561A (en) * | 2017-08-03 | 2017-12-29 | 安徽万安汽车零部件有限公司 | A kind of automobile rear sub-frame and its casting method |
| CN111054898A (en) * | 2019-12-23 | 2020-04-24 | 湛江德利车辆部件有限公司 | Die casting system for die-casting parts |
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