CN109290548A - A kind of the casting exhaust system and setting method of automobile component compression mod - Google Patents
A kind of the casting exhaust system and setting method of automobile component compression mod Download PDFInfo
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- CN109290548A CN109290548A CN201811277038.8A CN201811277038A CN109290548A CN 109290548 A CN109290548 A CN 109290548A CN 201811277038 A CN201811277038 A CN 201811277038A CN 109290548 A CN109290548 A CN 109290548A
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- sectional area
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- casting
- exhaust system
- compression mod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Exhaust Silencers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of casting exhaust system of automobile component compression mod and setting method, 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 present invention relates to mold field, the casting exhaust system and setting method of especially a kind 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 and setting method of the automobile component compression mod of bulge after T6 processing,
As urgent problem to be solved.
Summary of the invention
The purpose of the invention is to overcome to produce the automobile with the compression mod with traditional casting exhaust system at present
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 a kind of die casting
Stomata will not be generated inside part, die casting surface will not generate the casting exhaust system of the automobile component compression mod of bulge after T6 processing
System and setting method.
The specific technical solution of the present invention 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 sets
There are sprue, cross gate, the type chamber of several ingates；The type chamber includes: main cavity, the side being connected to main cavity side
Body cavity, 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 ladles
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 cavity wall
Thick 0.7-0.85 times；The thickness of ingate with assist it is equal into the thickness for pouring chamber；Sprue sectional area is less than cross gate section
Product；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.
A kind of setting method of the casting exhaust system of automobile component compression mod, the automobile component compression mod pour
Infusing exhaust system has the limiting structure of casting exhaust system of above-mentioned automobile component compression mod；Step 1 determines that cinder ladle is total
Weight, G=die casting weight * 40%, G is cinder ladle total weight g in formula；Step 2 determines ingate total sectional area, Ga=G/(P*
V*T), Ga is ingate total sectional area mm^2 in formula, and P is pack alloy liquidus density g/cm^3, and V is ingate flow velocity m/s,
T is filling time s, and step 3 determines cinder ladle chamber total measurement (volume), R=G/P, and R is cinder ladle chamber total measurement (volume) cm^3 in formula；Step 4,
Determine cross gate sectional area, Gb=Ga/(1.1-1.2), Gb is cross gate sectional area mm^2 in formula；Step 5 determines sprue
Sectional area, Gc=Gb/(1.1-1.2), Gc is sprue sectional area mm^2 in formula；Step 6, determines injection road sectional area, Gd=
(10-13) * 2Ga, Gd is injection road sectional area mm^2 in formula.
Preferably, the setting method of the casting exhaust system of the automobile component compression mod, sets 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
Measure * 40%=2976g*40%=1190.4 g, Ga=1190.4 g/(2.46g/ cm^3*30 m/s * 0.045s)=358.446
Mm^2, Gb=311.69 mm^2, Gc=271.04 mm^2, Gd=78858.12mm^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 is 160mm.
The setting method of the casting exhaust system of the automobile component compression mod is able to satisfy the automobile component die casting of die casting
Stomata will not be generated inside part, die casting surface will not generate the needs of bulge after T6 processing.
Compared with prior art, the beneficial effects of the present invention are: the casting exhaust system of the automobile component compression mod,
Equipped with 0.7-0.85 times of the auxiliary with a thickness of compression mod cavity wall thickness into chamber is poured, aluminum liquid filling type sectional area is increased；Sprue
Sectional area, cross gate sectional area, several ingates total sectional area, assist successively increasing into pouring chamber sectional area, avoid running channel
Middle molten aluminum wraps up in gas, 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 before filling type
The lower molten aluminum discharge of the temperature at end, inside die-casting part will not generate stomata, and die casting surface will not generate bulge after T6 processing.
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 and row is filled
Gas in type chamber out reduces and generates 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, and it is preferable to reduce generation stomata effect.Injection road is cut
Area is 10-13 times of the ingate total sectional area of two type chambers, makes injection degree of filling between 30%-40%, is conducive to guarantee pressure
Casting quality 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 productivity.Institute
The setting method of the casting exhaust system for the automobile component compression mod stated, the automobile component inside die-casting part for being able to satisfy die casting will not
Stomata is generated, die casting surface will not generate the needs of bulge after T6 processing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
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 present invention is described further shown in reference to the accompanying drawing.
It is as shown in Fig. 1: a kind of casting exhaust system of automobile component compression mod, comprising: die casting die body 1, at least one
In die casting die body 1 and it 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 connects with 5 one end of main cavity, 5 side of main cavity and 6 side of lateral body chamber respectively
Logical auxiliary is into pouring 7,23 cinder ladle chambers 8 of chamber；4 inner end of ingate and 6 outer end of lateral body chamber assist connecting into pouring 7 outer end of chamber
It is logical；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 the thickness for pouring chamber 7
It is equal；2 sectional area of sprue is less than 3 sectional area of cross gate；Total sectional area of 3 sectional area of cross gate less than seven ingates 4；Slag
Packet chamber 8 is connected to main cavity 5 or 6 periphery of lateral body chamber.Assist into pour chamber 7 formation notch assist into pour plate, cinder ladle chamber 8 formed
Cinder ladle 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.
A kind of setting method of the casting exhaust system of automobile component compression mod, the automobile component compression mod pour
Infusing exhaust system has the limiting structure of casting exhaust system of above-mentioned automobile component compression mod；Step 1 determines that cinder ladle is 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), it is pack alloy liquidus density g/cm^3 that Ga, which is ingate 4 total sectional area mm^2, P, in formula, and V is the stream of ingate 4
Fast m/s, T are filling time s, and step 3 determines 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, really
Determine 2 sectional area of sprue, Gc=Gb/(1.1-1.2), Gc is 2 sectional area mm^2 of sprue in formula；Step 6 determines injection road
13 sectional areas, 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=78858.12mm^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 and setting method of the automobile component compression mod, by computer modeling comparative analysis,
And verified by actual production, die casting surface generates drum after the automobile component inside die-casting part of production generates stomata, T6 processing
The bad product rate of packet is less than 0.5%, than the automobile component die casting produced with the compression mod with traditional casting exhaust system
The bad product rate that die casting surface generates bulge after inside generates stomata, T6 is handled reduces 8% or more.
The beneficial effects of the present invention are: the casting exhaust system of the automobile component compression mod, is equipped with a thickness of die casting
0.8 times of auxiliary of model cavity wall thickness increases aluminum liquid filling type sectional area into chamber is poured；Sprue sectional area, cross gate sectional area,
The total sectional area of several ingates assists successively increasing into pouring chamber sectional area, avoids molten aluminum in running channel from wrapping up in gas, aluminum liquid filling type is flat
It is surely not counter to seethe；Equipped with the biggish cinder ladle chamber of capacity, arranged conducive to the gas in type chamber and the lower molten aluminum of temperature for filling type front end
Out, inside die-casting part will not generate stomata, and die casting surface will not generate bulge after T6 processing.Set on the main cavity other end and with
The vacuum extraction system of vacuum plant connection, makes to generate negative pressure in type chamber, conducive to the gas filled in type and discharge type chamber, reduces and produces
Angry hole tendency.The ratio of sprue sectional area and cross gate sectional area is 1:1.5, cross gate sectional area and ingate total cross section
Long-pending ratio is 1:1.5, and it is preferable to reduce generation stomata effect.The sectional area in injection road is the ingate total sectional area of two type chambers
12 times, make injection degree of filling between 30%-40%, be conducive to guarantee quality of die casting, do not generate fill type deficiency, cold shut etc. cast
Defect；Type chamber has symmetrically arranged two to be conducive to improve productivity.The casting exhaust system of the automobile component compression mod
Setting method, the automobile component inside die-casting part for being able to satisfy die casting will not generate stomata, and die casting surface will not produce after T6 processing
The needs of raw bulge.
In addition to the implementation, within the scope of the claims of the present invention and the specification, skill of the invention
Art feature or technical data can be reselected and be combined, to constitute new embodiment, these are all art technologies
Personnel are without carrying out what creative work can be realized, therefore the embodiment that these present invention are not described in also should be regarded as this
The specific embodiment of invention and within protection scope of the present invention.
Claims (6)
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.
5. a kind of setting method of the casting exhaust system of automobile component compression mod, the casting of the automobile component compression mod
Exhaust system has the restriction of casting exhaust system of the claim 1 to any automobile component compression mod of claim 4
Structure；It is characterized in that step 1, cinder ladle total weight is determined, G=die casting weight * 40%, G is cinder ladle total weight g in formula；Step
Rapid two, determine ingate total sectional area, Ga=G/(P*V*T), it is pack alloy that Ga, which is ingate total sectional area mm^2, P, in formula
Liquidus density g/cm^3, V are ingate flow velocity m/s, and T is filling time s, step 3, determine cinder ladle chamber total measurement (volume), R=G/P,
R is cinder ladle chamber total measurement (volume) cm^3 in formula；Step 4 determines cross gate sectional area, Gb=Ga/(1.1-1.2), Gb is horizontal pours in formula
Road sectional area mm^2；Step 5, determines sprue sectional area, Gc=Gb/(1.1-1.2), and Gc is sprue sectional area mm in formula
^2；Step 6, determines injection road sectional area, Gd=(10-13) * 2Ga, and Gd is injection road sectional area mm^2 in formula.
6. the setting method of the casting exhaust system of automobile component compression mod according to claim 5, it is characterized in that, if
Determine P=2.46g/cm^3, V=30m/s, T=0.045s, Gb=Ga/(1.15), Gc=Gb/(1.15), Gd=12*Ga is calculated
It arrives, the G=die casting weight * g/(2.46g/ cm^3*30 m/s of g, Ga=1190.4 of 40%=2976g*40%=1190.4 *
0.045s)=358.446 mm^2, Gb=311.69 mm^2, Gc=271.04 mm^2, Gd=78858.12mm^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 is
160mm。
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| CN201811277038.8A CN109290548B (en) | 2018-10-30 | 2018-10-30 | Pouring exhaust system of automobile component die-casting mold and setting method |
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| CN201811277038.8A CN109290548B (en) | 2018-10-30 | 2018-10-30 | Pouring exhaust system of automobile component die-casting mold and setting method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112338163A (en) * | 2020-10-21 | 2021-02-09 | 重庆博奥镁铝金属制造有限公司 | Die-casting processing method for product with isolated structure |
| WO2022236974A1 (en) * | 2021-05-14 | 2022-11-17 | 东莞宜安科技股份有限公司 | Die-casting mold |
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| WO2022236974A1 (en) * | 2021-05-14 | 2022-11-17 | 东莞宜安科技股份有限公司 | Die-casting mold |
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Denomination of invention: A pouring exhaust system and setting method for automotive component die-casting molds Effective date of registration: 20230627 Granted publication date: 20210730 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Beilun sub branch Pledgor: NINGBO ELITE MOLD MANUFACTURE Co.,Ltd. Registration number: Y2023980046012 |