CN209189778U - A kind of casting exhaust system of automobile component compression mod - Google Patents
A kind of casting exhaust system of automobile component compression mod Download PDFInfo
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- CN209189778U CN209189778U CN201821775326.1U CN201821775326U CN209189778U CN 209189778 U CN209189778 U CN 209189778U CN 201821775326 U CN201821775326 U CN 201821775326U CN 209189778 U CN209189778 U CN 209189778U
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Abstract
The utility model relates to a kind of casting exhaust system of automobile component compression mod, the casting exhaust systems of automobile component compression mod, comprising: die casting die body, at least one is set in die casting die body and is equipped with sprue, cross gate, the type chamber of several ingates；Type chamber includes: main cavity, lateral body chamber, and the auxiliary that inner end is connected to main cavity one end, main cavity side and lateral body chamber side respectively is into pouring chamber, several cinder ladle chambers；Ingate inner end and lateral body chamber outer end assist being connected into pouring chamber outer end；It assists being respectively 0.7-0.85 times of compression mod cavity wall thickness into the thickness for pouring the thickness of chamber, ingate；Sprue sectional area is less than cross gate sectional area；Cross gate sectional area is less than the total sectional area of several ingates；Cinder ladle chamber is connected to main cavity or lateral body chamber periphery.The casting exhaust system inside die-casting part of the automobile component compression mod will not generate stomata, and die casting surface will not generate bulge after T6 processing.
Description
Technical field
The utility model relates to mold field, especially a kind of casting exhaust system of automobile component compression mod.
Background technique
Attached drawing 2 show a kind of automobile component of the die cast of large size, the automobile component include: main body 14 and with
The lateral body 15 of body side connection, the first notch 16 set on main body one end, the formed between body side and lateral body side
Two notches 17；The outer dimension of automobile component: the long a height of 627mmX618mmX256mm of X wide X, basic wall thickness 2.5-3mm, weight
2976g carries out T6 heat treatment after die casting (Aluminium Alloy Solution Treatment adds full artificial aging)；Since the automobile component shape is not advised
Then and wall thickness is relatively thin, produces the automobile component with the compression mod with traditional casting exhaust system, it is easy that there are inside die-casting parts
Stomata is generated, die casting surface is also easy to produce the deficiency of bulge after T6 heat treatment；Therefore, designing a kind of inside die-casting part will not generate
Stomata, die casting surface will not generate the casting exhaust system of the automobile component compression mod of bulge after T6 processing, become and urgently solve
Certainly the problem of.
Utility model content
It is somebody's turn to do the purpose of this utility model is to overcome current with the production of the compression mod with traditional casting exhaust system
Automobile component, there are inside die-casting parts to be also easy to produce stomata, and die casting surface is also easy to produce the deficiency of bulge after T6 processing, provides one kind
Inside die-casting part will not generate stomata, and die casting surface will not generate the casting row of the automobile component compression mod of bulge after T6 processing
Gas system.
The specific technical solution of the utility model is:
A kind of casting exhaust system of automobile component compression mod, comprising: die casting die body, at least one is set in die casting die body
And it is equipped with sprue, cross gate, the type chamber of several ingates；The type chamber includes: main cavity, is connected to main cavity side
Lateral body chamber, the auxiliary that inner end is connected to main cavity one end, main cavity side and lateral body chamber side respectively is into pouring chamber, several slags
Packet chamber；Ingate inner end and lateral body chamber outer end assist being connected into pouring chamber outer end；Assist into pour chamber with a thickness of casting die chamber
0.7-0.85 times of wall thickness；The thickness of ingate with assist it is equal into the thickness for pouring chamber；Sprue sectional area is cut less than cross gate
Area；Cross gate sectional area is less than the total sectional area of several ingates；Cinder ladle chamber is connected to main cavity or lateral body chamber periphery.
The casting exhaust system of the automobile component compression mod, equipped with the 0.7-0.85 with a thickness of compression mod cavity wall thickness
Auxiliary again increases aluminum liquid filling type sectional area into chamber is poured；Sprue sectional area, cross gate sectional area, several ingates
Total sectional area assists successively increasing into pouring chamber sectional area, avoids molten aluminum in running channel from wrapping up in gas, aluminum liquid filling type is not steadily counter to seethe；If
There is the biggish cinder ladle chamber of capacity, is discharged conducive to the gas in type chamber and the lower molten aluminum of temperature for filling type front end, inside die-casting part
Stomata will not be generated, die casting surface will not generate bulge after T6 processing.
Preferably, the casting exhaust system of the automobile component compression mod further include: set on the main cavity other end
Vacuum extraction system；Vacuum extraction system includes: that at least one is equipped with the interior pumping mouth that multiple inner ends are respectively connected to a cinder ladle chamber
The road Nei Chou, the connection being respectively communicated with the road Nei Chou takes out road, inner end and the road Wai Chou for connect pumping road and being connected to.It is another set on main cavity
End and the vacuum extraction system that connect with vacuum plant, make to generate negative pressure in type chamber, conducive to the gas filled in type and discharge type chamber,
Reduce and generates stomata tendency.
Preferably, the ratio of the sprue sectional area and cross gate sectional area is 1:1.1-1.2；Cross gate section
The long-pending ratio with ingate total sectional area is 1:1.1-1.2.It is preferable to reduce generation stomata effect.
Preferably, the casting exhaust system of the automobile component compression mod further include: injection road；Type chamber, which has, symmetrically to be set
Two set；The sprue of two type chambers is connected to injection road lower end respectively；The sectional area in injection road is that the interior of two type chambers pours
10-13 times of mouth total sectional area.The sectional area in injection road is 10-13 times of the ingate total sectional area of two type chambers, makes injection
Degree of filling is conducive to guarantee quality of die casting, does not generate and fill the casting flaws such as type deficiency, cold shut between 30%-40%；Type chamber has pair
Two of setting are claimed to be conducive to improve productivity.
Compared with prior art, the utility model has the beneficial effects that the casting of the automobile component compression mod is vented
System increases aluminum liquid filling type sectional area equipped with 0.7-0.85 times of the auxiliary with a thickness of compression mod cavity wall thickness into chamber is poured；Directly
Running channel sectional area, cross gate sectional area, several ingates total sectional area, assist successively increasing into pouring chamber sectional area, avoid
Molten aluminum wraps up in gas in running channel, and aluminum liquid filling type is not steadily counter to seethe；Equipped with the biggish cinder ladle chamber of capacity, conducive to the gas in type chamber and fill
The lower molten aluminum discharge of the temperature of type front end, inside die-casting part will not generate stomata, and die casting surface will not generate after T6 processing
Bulge.Set on the main cavity other end and the vacuum extraction system that connect with vacuum plant, make to generate negative pressure in type chamber, conducive to type is filled
With the gas in discharge type chamber, reduces and generate stomata tendency.The ratio of sprue sectional area and cross gate sectional area is 1:1.1-
1.2, the ratio of cross gate sectional area and ingate total sectional area is 1:1.1-1.2, reduces that generate stomata effect preferable.Injection road
Sectional area be 10-13 times of ingate total sectional area of two type chambers, make injection degree of filling between 30%-40%, be conducive to guarantor
Quality of die casting is demonstrate,proved, does not generate and fills the casting flaws such as type deficiency, cold shut；Type chamber has symmetrically arranged two to be conducive to improve production
Rate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of automobile component.
In figure: die casting die body 1, cross gate 3, ingate 4, main cavity 5, lateral body chamber 6, is assisted into pouring chamber 7, slag sprue 2
Packet chamber 8, interior pumping mouth 9, the road Nei Chou 10, connection take out road 11, the road Wai Chou 12, injection road 13, main body 14, lateral body 15, the first notch 16,
Second notch 17.
Specific embodiment
The utility model is described further shown in reference to the accompanying drawing.
As shown in attached drawing 1, attached drawing 2: a kind of casting exhaust system of automobile component compression mod, comprising: die casting die body 1, until
Few one is set in die casting die body 1 and is equipped with sprue 2, cross gate 3, the type chamber of seven ingates 4；The type chamber includes:
Main cavity 5, the lateral body chamber 6 being connected to 5 side of main cavity, inner end respectively with 5 one end of main cavity, 5 side of main cavity and lateral body chamber 6
The auxiliary of side connection is into pouring 7,23 cinder ladle chambers 8 of chamber；4 inner end of ingate and 6 outer end of lateral body chamber are assisted into pouring outside chamber 7
End connection；It assists into 0.8 times with a thickness of compression mod cavity wall thickness for pouring chamber 7；It the thickness of ingate 4 and assists into pouring chamber 7
Thickness is equal；2 sectional area of sprue is less than 3 sectional area of cross gate；Total cross section of 3 sectional area of cross gate less than seven ingates 4
Product；Cinder ladle chamber 8 is connected to main cavity 5 or 6 periphery of lateral body chamber.It assists assisting into the notch for pouring the formation of chamber 7 into pouring plate, cinder ladle chamber 8
The cinder ladle of formation is removed when die casting is cleared up.It assists into the cross-sectional shape for pouring chamber 7 being rectangle.
The casting exhaust system of the automobile component compression mod further include: set on the vacuum drawn of 5 other end of main cavity
System；Vacuum extraction system includes: two roads Nei Chou 10 for being equipped with the interior pumping mouth 9 that multiple inner ends are respectively connected to a cinder ladle chamber 8,
Road 11 is taken out with the connection that the road Nei Chou 10 is respectively communicated with, inner end takes out the road Wai Chou 12 of the connection of road 11 with connecting.
The ratio of 2 sectional area of sprue and 3 sectional area of cross gate is 1:1.15；3 sectional area of cross gate is poured with interior
The ratio of 4 total sectional areas of mouth is 1:1.5.
In the present embodiment, the casting exhaust system of the automobile component compression mod further include: injection road 13；Type chamber has pair
Claim two of setting；The sprue 2 of two type chambers is connected to 13 lower end of injection road respectively；The sectional area in injection road 13 is two types
12 times of 4 total sectional area of ingate of chamber.
The setting method of the casting exhaust system of the automobile component compression mod, step 1 determine cinder ladle total weight, G
=die casting weight * 40%, G is cinder ladle total weight g in formula；Step 2 determines 4 total sectional area of ingate, Ga=G/(P*V*T), formula
Middle Ga is that ingate 4 total sectional area mm^2, P are pack alloy liquidus density g/cm^3, and V is that ingate 4 flow velocity m/s, T are to fill
Type time s, step 3 determine 8 total measurement (volume) of cinder ladle chamber, R=G/P, and R is 8 total measurement (volume) cm^3 of cinder ladle chamber in formula；Step 4 determines
3 sectional area of cross gate, Gb=Ga/(1.1-1.2), Gb is 3 sectional area mm^2 of cross gate in formula；Step 5 determines that sprue 2 is cut
Area, Gc=Gb/(1.1-1.2), Gc is 2 sectional area mm^2 of sprue in formula；Step 6 determines 13 sectional area of injection road, Gd
=(10-13) * 2Ga, Gd is 13 sectional area mm^2 of injection road in formula.
The setting method of the casting exhaust system of the automobile component compression mod, setting P=2.46g/cm^3, V=
30m/s, T=0.045s, Gb=Ga/(1.15), Gc=Gb/(1.15), Gd=12*Ga is calculated, G=die casting weight * 40%
The g/(2.46g/ cm^3*30 m/s * of g, Ga=1190.4 of=2976g*40%=1190.4 0.045s)=358.446 mm^2, Gb
=311.69 mm^2, Gc=271.04 mm^2, Gd=78858.12 mm^2；Rounding determines are as follows: G=1190g, Ga=358mm^2,
Gb=312 mm^2, Gc=271 mm^2, Gd=78858mm^2；The diameter in injection road 13 is 160mm.
The casting exhaust system of the automobile component compression mod, by computer modeling comparative analysis, and passes through reality
Production verifying, the automobile component inside die-casting part of production generate the defective products of die casting surface generation bulge after stomata, T6 processing
Rate is that the automobile component inside die-casting part less than 0.5%, than being produced with the compression mod with traditional casting exhaust system generates gas
The bad product rate that die casting surface generates bulge after hole, T6 processing reduces 8% or more.
The beneficial effects of the utility model are: the casting exhaust system of the automobile component compression mod, be equipped with a thickness of
0.8 times of auxiliary of compression mod cavity wall thickness increases aluminum liquid filling type sectional area into chamber is poured；Sprue sectional area, cross gate are cut
Area, several ingates total sectional area, assist successively increasing into pouring chamber sectional area, avoid molten aluminum in running channel from wrapping up in gas, molten aluminum
Fill that type is not steadily counter to seethe；It is lower conducive to the gas in type chamber and the temperature for filling type front end equipped with the biggish cinder ladle chamber of capacity
Molten aluminum discharge, inside die-casting part will not generate stomata, and die casting surface will not generate bulge after T6 processing.It is another set on main cavity
End and the vacuum extraction system that connect with vacuum plant, make to generate negative pressure in type chamber, conducive to the gas filled in type and discharge type chamber,
Reduce and generates stomata tendency.The ratio of sprue sectional area and cross gate sectional area is 1:1.5, cross gate sectional area and ingate
The ratio of total sectional area is 1:1.5, and it is preferable to reduce generation stomata effect.The sectional area in injection road is that the ingate of two type chambers is total
12 times of sectional area, make injection degree of filling between 30%-40%, are conducive to guarantee quality of die casting, do not generate and fill type deficiency, cold shut
Etc. casting flaws；Type chamber has symmetrically arranged two to be conducive to improve productivity.The casting of the automobile component compression mod is vented
The setting method of system, the automobile component inside die-casting part for being able to satisfy die casting will not generate stomata, die casting surface after T6 processing
The needs of bulge will not be generated.
In addition to the implementation, in the range disclosed in claims of the utility model and specification, this is practical
Novel technical characteristic or technical data can be reselected and be combined, to constitute new embodiment, these are all these
Field technical staff is without carrying out what creative work can be realized, therefore the implementation that these the utility model are not described in
Example also should be regarded as specific embodiment of the utility model and be within the protection scope of the utility model.
Claims (4)
1. a kind of casting exhaust system of automobile component compression mod, comprising: die casting die body, at least one be set to die casting die body in and
Equipped with sprue, cross gate, the type chamber of several ingates；It is characterized in that the type chamber includes: main cavity, with main cavity
The lateral body chamber of side connection, the auxiliary that inner end is connected to main cavity one end, main cavity side and lateral body chamber side respectively into pouring chamber,
Several cinder ladle chambers；Ingate inner end and lateral body chamber outer end assist being connected into pouring chamber outer end；Assist into pour chamber with a thickness of pressure
0.7-0.85 times of mold cavity wall thickness；The thickness of ingate with assist it is equal into the thickness for pouring chamber；Sprue sectional area is less than
Cross gate sectional area；Cross gate sectional area is less than the total sectional area of several ingates；Outside cinder ladle chamber and main cavity or lateral body chamber
Zhou Liantong.
2. the casting exhaust system of automobile component compression mod according to claim 1, it is characterized in that, the automobile structure
The casting exhaust system of part compression mod further include: set on the vacuum extraction system of the main cavity other end；Vacuum extraction system includes:
At least one is equipped with the road interior pumping Kou Neichou that multiple inner ends are respectively connected to a cinder ladle chamber, the connection being respectively communicated with the road Nei Chou
Road is taken out, inner end takes out the road Wai Chou of road connection with connecting.
3. the casting exhaust system of automobile component compression mod according to claim 1 or 2, it is characterized in that, described directly pours
The ratio of road sectional area and cross gate sectional area is 1:1.1-1.2；Cross gate sectional area and the ratio of ingate total sectional area are
1:1.1-1.2.
4. the casting exhaust system of automobile component compression mod according to claim 1 or 2, it is characterized in that, further include: injection
Road；Type chamber has symmetrically arranged two；The sprue of two type chambers is connected to injection road lower end respectively；The sectional area in injection road is
10-13 times of the ingate total sectional area of two type chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775326.1U CN209189778U (en) | 2018-10-30 | 2018-10-30 | A kind of casting exhaust system of automobile component compression mod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821775326.1U CN209189778U (en) | 2018-10-30 | 2018-10-30 | A kind of casting exhaust system of automobile component compression mod |
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| CN209189778U true CN209189778U (en) | 2019-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390137A (en) * | 2020-05-27 | 2020-07-10 | 湛江德利车辆部件有限公司 | Casting system of automobile component die-casting mold |
-
2018
- 2018-10-30 CN CN201821775326.1U patent/CN209189778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390137A (en) * | 2020-05-27 | 2020-07-10 | 湛江德利车辆部件有限公司 | Casting system of automobile component die-casting mold |
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