CN206474637U - A kind of large-scale ductile iron part dedicated pouring system - Google Patents
A kind of large-scale ductile iron part dedicated pouring system Download PDFInfo
- Publication number
- CN206474637U CN206474637U CN201720149048.8U CN201720149048U CN206474637U CN 206474637 U CN206474637 U CN 206474637U CN 201720149048 U CN201720149048 U CN 201720149048U CN 206474637 U CN206474637 U CN 206474637U
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- ductile iron
- iron part
- sprue
- cross
- cross gate
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Abstract
The utility model discloses a kind of large-scale ductile iron part dedicated pouring system, belong to the technical field of spheroidal graphite cast-iron, including sprue and cross gate, the lower end of the sprue and one end of two cross gates are respectively connected with, the cross gate is additionally provided with the leak running channel communicated with cross gate in its underpart, multiple ingates being arranged in order all are provided with two cross gates, the cross gate is provided with fabric filter in the side close to sprue.The cast that the utility model is used for large-scale ductile iron part is manufactured, simple in construction, easy to operate, and cast effect is good.
Description
Technical field
The utility model is related to the technical field of spheroidal graphite cast-iron, more particularly to a kind of large-scale ductile iron part dedicated pouring system
System.
Background technology
Since 1970s, with nuclear power, water power, the maximization development of wind power generator group and injection machine, pressure
The heavy-duty development of the plant equipment such as casting machine, Large-cross-section nodular cast iron part is (it is generally acknowledged that spheroidal graphite cast-iron of the wall thickness in more than 100mm
Part is Large-cross-section nodular cast iron part) successively come out, representative casting has the template of large size plastic jetting-moulding device, large pressing machine machine
Frame, cement mill mill casting, core fuel container etc..Driven by numerous industries such as downstream, Chinese large-sized forge piece disappears
The amount of expense increases very swift and violent.Large-scale ductile iron part consumption figure average annual growth is higher than yield average annual growth, shows
Supply falls short of demand for Chinese large-sized cast product.
Wherein, running gate system is as very important part in spheroidal graphite cast-iron production process, and the reasonability that it is designed is direct
Influence the quality of nodular iron casting.In actual mechanical process, because magnesium is sent out with the oxygen in air, the oxygen in iron liquid or sulphur respectively
Biochemical reaction, forms the Slag inclusions such as magnesia, magnesium sulfide and magnesium silicate.These Slag inclusions are continuous after spheroidising
Remove the gred, pull out slag, still fail to remove totally；Poured into simultaneously in iron liquid in quantitative sprue cup, equally because the oxygen in magnesium and air is sent out
Biochemical reaction, forms magnesia Slag inclusion.Above-mentioned described Slag inclusion is all referred to as " slag inclusion "." slag inclusion " is being poured
The quality of casting can be had a strong impact on by entering casting mold during note, bring huge loss.Moreover, the container of storage molten iron is normal
Because seepage occurs in a variety of causes, and forms cold shut in running gate system, influences the production of casting.Therefore rational running gate system
It is in be full of form that molten metal, which can be ensured, to be full of in die cavity, and running channel with rational flow velocity within the rational duration of pouring, it is to avoid
Produce the defects such as stomata, slag inclusion, burning into sand, cold shut.
Utility model content
The purpose of this utility model is to provide a kind of for large-scale spheroidal graphite simple in construction, easy to operate, that cast effect is good
Ironcasting dedicated pouring system.
The technical solution of the utility model is：A kind of large-scale ductile iron part dedicated pouring system, including sprue and horizontal stroke
Running channel, the lower end of the sprue and one end of two cross gates are respectively connected with, and the cross gate is additionally provided with and horizontal stroke in its underpart
Multiple ingates being arranged in order all are provided with the leak running channel that running channel is communicated, two cross gates, the cross gate exists
Fabric filter is provided with close to the side of sprue.
Further, it is the sprue, cross gate, interior in a kind of above-mentioned large-scale ductile iron part dedicated pouring system
The ratio of the sectional area of running channel is：FDirectly：FIt is horizontal：FIt is interior=1：(1.2-1.8)：(2.5-4).
Further, in a kind of above-mentioned large-scale ductile iron part dedicated pouring system, the sprue is tied for cylinder
Structure, the angle between the sprue and two cross gates is all 90 °, molten iron quickly through.
Further, in a kind of above-mentioned large-scale ductile iron part dedicated pouring system, the cross gate is trapezium structure,
Molten iron is allowed faster to enter ingate, the leak is inverted trapezoidal structure with running channel, and the molten iron spilt is effectively gathered in Lou
In water running channel, the angle between two cross gates is 90 °.
Further, in a kind of above-mentioned large-scale ductile iron part dedicated pouring system, the ingate is located at two horizontal strokes
The angle that running channel is formed is 90 ° of side.
Further, in a kind of above-mentioned large-scale ductile iron part dedicated pouring system, the ingate is arranged on fiber
Between filter and cross gate free end.
Further, in a kind of above-mentioned large-scale ductile iron part dedicated pouring system, wherein one cross gate
Length is than the long 150mm-250mm of large-scale ductile iron part to be made, and the length of another cross gate is bigger than to be made
The wide long 150mm-250mm of type nodular iron casting, it is ensured that cast effect reaches best.
Further, in a kind of above-mentioned large-scale ductile iron part dedicated pouring system, the fabric filter is to directly pouring
The distance in road is 200mm-300mm, effectively filters various Slag inclusions.
Compared with prior art, the utility model has advantages below：
(1) the utility model is simple in construction, easy to operate, and cast effect is good, passes through the fiber mistake being arranged on cross gate
Filter, can effectively filter various Slag inclusion filterings, prevent a Slag inclusion from entering casting mold；Meanwhile, it is trapezoidal to coordinate section
Cross gate, it is ensured that the flow velocity of iron liquid is steady, uniformly can rapidly enter ingate and carry out cast production.Moreover, section
For inverted trapezoidal leak with running channel can effectively by because it is various it is unexpected leak into come molten iron be collected into leak with running channel, keep away
Exempt from influence of the cold shut effect to production.
By following description and with reference to accompanying drawing, the utility model will become more fully apparent, and these accompanying drawings are used to explain this
The embodiment of utility model.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is side view of the present utility model；
Fig. 4 be fabric filter A-A of the present utility model to profile；
Fig. 5 is the sectional view of cross gate B-B direction of the present utility model；
Wherein, 1, sprue；2nd, cross gate；3rd, fabric filter；4th, ingate；5th, leak running channel.
Embodiment
Element numbers similar in embodiment of the present utility model, accompanying drawing, which are described, with reference now to accompanying drawing represents similar member
Part.
Embodiment
Specific embodiment of the utility model is refering to shown in Fig. 1-5, and a kind of large-scale ductile iron part of the present utility model is special
With running gate system, including sprue 1 and cross gate 2, the lower end of sprue 1 and one end of two cross gates 2 are respectively connected with, horizontal to pour
Road 1 is additionally provided with the leak running channel 5 communicated with cross gate 2 in its underpart, the molten iron formation cold shut effect for preventing leakage；Together
When, multiple ingates 4 being arranged in order all are provided with two cross gates 2, the quantity of ingate 4 can be entered according to practical condition
Row regulation, cross gate 2 is provided with fabric filter 3 in the side close to sprue 1, for filtering the various slag inclusions in molten iron, and
Control the flow of molten iron.
In the present embodiment, sprue 1, cross gate 2, the ratio of the sectional area of ingate 4 are：FDirectly：FIt is horizontal：FIt is interior=1：(1.2-
1.8)：(2.5-4), according to the above ratio, can effectively ensure that the filling time that iron liquid enters casting mold is 70-100 seconds so that cast life
Production is more efficient.Meanwhile, sprue 1 is cylindrical structural, and the angle between sprue 1 and two cross gates 2 is all 90 °, iron
Water can be flowed rapidly into；Cross gate 2 is trapezium structure, it is ensured that can also allow molten iron faster to enter ingate 4 while molten iron flow rates,
Leak running channel 5 is inverted trapezoidal structure, and the molten iron spilt is effectively gathered in leak running channel, it is to avoid cold shut effect is to whole system
Angle between the influence of system, two cross gates 2 is 90 °.Ingate 4 is 90 ° positioned at the angle that two cross gates 2 are formed
Side, this is conducive to the production of casting.In addition, ingate 4 is arranged between fabric filter 3 and the free end of cross gate 2, molten iron
After fabric filter 3, various slag inclusions have been filtered to greatest extent, and have controlled the flow of molten iron, pour into a mould effect
It is good.In cast production process, wherein long 150mm- of the length of a cross gate 2 than large-scale ductile iron part to be made
250mm, wide long 150mm-250mm of the length than large-scale ductile iron part to be made of another cross gate 2, it is ensured that casting
Pour into a mould effect, one-shot forming.The distance of fabric filter 3 to sprue 1 is 200mm-300mm, can effectively filter various slag inclusions
Thing, and control iron flow, it is ensured that the stability and high efficiency of whole casting process.
It should be noted that the medium-and-large-sized definition of this patent is：Casting substance >=15 ton, and the main wall thickness of casting >=
200mm；In addition, 1 set of above-mentioned running gate system of the use of 15 tons -25 tons of large-scale ductile iron part weight, the use 2 of 25 tons and the above
Above-mentioned running gate system is covered, it is diagonally arranged.
During use, molten iron enters whole running gate system from sprue 1, reaches the lower end of sprue 1, flows into and sprue
1 two connected cross gates 2, by being arranged on the fabric filter 3 of the front half section of cross gate 2, after various slag inclusions are filtered out,
The second half section of cross gate 2 is flowed into by fabric filter 3, and each is flowed under the guide functions of the trapezoidal cross gate 2 in section
Ingate 4, the cast that casting mold carries out casting is flowed into eventually through ingate 4.
The utility model is described above in association with most preferred embodiment, but the utility model is not limited to the above and taken off
The embodiment shown, and the various modifications carried out according to essence of the present utility model, equivalent combinations should be covered.
Claims (8)
1. a kind of large-scale ductile iron part dedicated pouring system, it is characterised in that described including sprue (1) and cross gate (2)
The lower end of sprue (1) and one end of two cross gates (2) are respectively connected with, and the cross gate (1) is additionally provided with and horizontal stroke in its underpart
The leak that running channel (2) is communicated all is provided with multiple ingates (4) being arranged in order with running channel (5) on two cross gates (2),
The cross gate (2) is provided with fabric filter (3) in the side close to sprue (1).
2. a kind of large-scale ductile iron part dedicated pouring system according to claim 1, it is characterised in that the sprue
(1), cross gate (2), the ratio of the sectional area of ingate (4) are：FDirectly：FIt is horizontal：FIt is interior=1：(1.2-1.8)：(2.5-4).
3. a kind of large-scale ductile iron part dedicated pouring system according to claim 1, it is characterised in that the sprue
(1) it is cylindrical structural, the angle between the sprue (1) and two cross gates (2) is all 90 °.
4. a kind of large-scale ductile iron part dedicated pouring system according to claim 1, it is characterised in that the cross gate
(2) it is trapezium structure, the leak running channel (5) is that the angle between inverted trapezoidal structure, two cross gates (2) is 90 °.
5. a kind of large-scale ductile iron part dedicated pouring system according to any one in claim 1 or 3, its feature exists
In the ingate (4) is positioned at the side that the angle that two cross gates (2) are formed is 90 °.
6. a kind of large-scale ductile iron part dedicated pouring system according to any one in claim 1 or 3, its feature exists
In the ingate (4) is arranged between fabric filter (3) and cross gate (2) free end.
7. a kind of large-scale ductile iron part dedicated pouring system according to claim 1, it is characterised in that described wherein one
The length of bar cross gate (2) is than the long 150mm-250mm of large-scale ductile iron part to be made, another cross gate (2)
Wide long 150mm-250mm of the length than large-scale ductile iron part to be made.
8. a kind of large-scale ductile iron part dedicated pouring system according to claim 1, it is characterised in that the fiber mistake
The distance of filter (3) to sprue (1) is 200mm-300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149048.8U CN206474637U (en) | 2017-02-20 | 2017-02-20 | A kind of large-scale ductile iron part dedicated pouring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149048.8U CN206474637U (en) | 2017-02-20 | 2017-02-20 | A kind of large-scale ductile iron part dedicated pouring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206474637U true CN206474637U (en) | 2017-09-08 |
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ID=59748360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720149048.8U Expired - Fee Related CN206474637U (en) | 2017-02-20 | 2017-02-20 | A kind of large-scale ductile iron part dedicated pouring system |
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| CN (1) | CN206474637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039007A (en) * | 2019-05-05 | 2019-07-23 | 合肥江淮铸造有限责任公司 | A kind of cylinder casting running gate system |
| CN111347012A (en) * | 2020-04-30 | 2020-06-30 | 大连华锐重工铸业有限公司 | Molding sand box of wind power main frame |
-
2017
- 2017-02-20 CN CN201720149048.8U patent/CN206474637U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039007A (en) * | 2019-05-05 | 2019-07-23 | 合肥江淮铸造有限责任公司 | A kind of cylinder casting running gate system |
| CN111347012A (en) * | 2020-04-30 | 2020-06-30 | 大连华锐重工铸业有限公司 | Molding sand box of wind power main frame |
| CN111347012B (en) * | 2020-04-30 | 2023-09-12 | 大连华锐重工铸业有限公司 | Molding sand box of wind power main frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170908 Termination date: 20210220 |