CN107350427A - A kind of super thick strip running gate system of injection machine and its pouring technology - Google Patents
A kind of super thick strip running gate system of injection machine and its pouring technology Download PDFInfo
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- CN107350427A CN107350427A CN201710376330.4A CN201710376330A CN107350427A CN 107350427 A CN107350427 A CN 107350427A CN 201710376330 A CN201710376330 A CN 201710376330A CN 107350427 A CN107350427 A CN 107350427A
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- China
- Prior art keywords
- cross gate
- running
- injection machine
- gate
- super thick
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a kind of super thick strip running gate system of injection machine and its pouring technology, molten iron enters first of cross gate by the sprue on casting, first of cross gate end is provided with thin running channel, most slags are blocked by first of cross gate, enter back into second cross gate, pass through relatively thin Inner running channels pushing off the slag again, all waste residues are kept away by second cross gate, wherein, each ingate and thin running channel position flow velocity are less than 50cm/s, avoid producing Secondary Oxidizing Slag.The present invention reduces casting because there is the risk that screen pack and earthenware fragment are scrapped；Employee's operating efficiency is improved, reduces cost；The impurity in foundry returns is reduced, improves hot metal purifying degree；Improve the degree of purity of reclaimed sand.
Description
Technical field
The invention belongs to casting technique Design of Runner System, and in particular to a kind of super thick strip running gate system of injection machine and its
Pouring technology, running gate system pushing off the slag is made full use of to keep away slag, it is ensured that product inherent quality and appearance quality.
Background technology
With the continuous development of energy industry, the lightweight of future automobile is inevitable development trend, and plastic material will be wide
It is general to be used, therefore large size plastic jetting-moulding device production will welcome new opportunity.The injection machine produced at present is QT400-18 materials, casting
Using silicon carbide filter net filtration, the running gate system scheme of earthenware rising pouring, the purpose is to filter out slag inclusion, make its stable filling
Type.As product is increasing, weight is increasingly heavier, if still pressing such a running gate system process program, is necessarily required to using more
More screen packs and earthenware.Following Railway Project be present in such technique：1st, screen pack and earthenware, which have, rushes broken risk, makes
It is bigger with more multi-risk System；2nd, live preparation is cumbersome, and operating efficiency is low；3rd, auxiliary material uses more, big for environment pollution；4th, reclaim
Contain carborundum in the running gate system used, influence molten steel quality；5th, after clearing up, broken earthenware enters sand preparing system,
Influence the use of reclaimed sand.
The content of the invention
Goal of the invention：In order to solve the deficiencies in the prior art, the invention provides a kind of super thick strip cast system of injection machine
System and its pouring technology.
Technical scheme：A kind of super thick strip running gate system of injection machine, including casting, sprue, first of cross gate, thin pour
Road, second cross gate and Inner running channels, the casting are provided with sprue, and sprue connects with first of cross gate, and described
One of cross gate end is provided with thin running channel, and the thin running channel is connected with second cross gate, and the second cross gate pours with Inner
Road connects.
A kind of pouring technology of the super thick strip running gate system of injection machine described in basis, molten iron pass through the sprue on casting
Into first of cross gate, first of cross gate end is provided with thin running channel, and most slags are blocked by first of cross gate, then enter
Enter second cross gate, by relatively thin Inner running channels pushing off the slag again, all waste residues are kept away by second cross gate, wherein, it is each interior
Running channel and thin running channel position flow velocity are less than 50cm/s, avoid producing Secondary Oxidizing Slag.
As optimization：The parameter of the pouring technology is as follows：Poured weights：25 tons, pouring temperature：1360 ± 10 DEG C, fill
The type time：250s, Shake-out Time：192h.
As optimization：The raw material of the pouring technology are the pig iron, steel scrap, foundry returns, while add carburant carburetting, are transported
C and Si are controlled with thermal analyzer and spectrometer, by the Composition Control of base iron within the specific limits.
As optimization：The component content of base iron in the pouring technology is：C：3.68%th, Si：1.35%th, Mn：
0.19%th, P：0.028%th, S：0.015%th, Mg：0.0009%.
As optimization：The component content of whole molten iron in the pouring technology is：C：3.6%th, Si：2.1%th, Mn：
0.20%th, P：0.029%th, S：0.011%th, Mg：0.042%.
As optimization：The final result of the pouring technology is as follows：Cast is unpacked after 192 hours, clears up pouring and riser systemses, is thrown
After ball polishing, testing result is as follows：Outward appearance is beautiful without without visible field trash；MT detects upper surface scum silica frost≤1.5mm；Machined surface adds
Without any defect after work.
Beneficial effect：The present invention reduces casting because there is the risk that screen pack and earthenware fragment are scrapped；Improve employee's operation
Efficiency, reduce cost；The impurity in foundry returns is reduced, improves hot metal purifying degree；Improve the degree of purity of reclaimed sand.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, so that the technology of this area
Personnel can be better understood from advantages and features of the invention, so as to make apparent boundary to protection scope of the present invention
It is fixed.Embodiment described in the invention is only part of the embodiment of the present invention, rather than whole embodiments, based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Specific embodiment
Stable Filling is the factor that Design of Runner System must take into consideration, as long as ensureing factors above, can fully be made completely
Carried out keeping away slag with cross gate.Therefore after screen pack and earthenware is cancelled, it is necessary to running gate system is rationally designed, control molten iron exists
Flow velocity in running gate system, slag and not slag making on the one hand are kept away using cross gate, on the other hand control the flow velocity of Inner running channels.
Therefore the principle more than, the double cross gates for keeping away slag of present invention design, using the scheme of relatively thin Inner running channels, such as
Shown in Fig. 1, a kind of super thick strip running gate system of injection machine, including casting 1, sprue 2, first of cross gate 3, thin running channel 4,
Two cross gates 5 and Inner running channels 6, the casting 1 are provided with sprue 2, and sprue 2 connects with first of cross gate 3, and described
One of end of cross gate 3 is provided with thin running channel 4, and the thin running channel 4 is connected with second cross gate 5, the second cross gate 5 with
Inner running channels 6 connect.
Its pouring technology is as follows：Molten iron enters first of cross gate 3, first of cross gate by the sprue 2 on casting 1
3 ends are provided with thin running channel 4, and most slags are blocked by first of cross gate 3, second cross gate 5 are entered back into, by relatively thin
The pushing off the slag again of Inner running channels 6, all waste residues are kept away by second cross gate 5, wherein, each ingate 6 and the position flow velocity of thin running channel 4 are low
In 50cm/s, avoid producing Secondary Oxidizing Slag.
Technological parameter in the present invention is as follows：Poured weights：25 tons, pouring temperature：1360 ± 10 DEG C, filling time：
250s, Shake-out Time：192h.
Metallurgical raw material is the pig iron, steel scrap, foundry returns, while adds carburant carburetting.With thermal analyzer and spectrometer
C and Si are controlled, by the Composition Control of base iron within the specific limits, as shown in the specific component list of table 1 below.
1 specific component list of table
Final result is：Cast is unpacked after 192 hours, clears up pouring and riser systemses, after ball blast polishing, testing result is as follows：A、
Outward appearance is beautiful without without visible field trash；B, MT detects upper surface scum silica frost≤1.5mm；C, without any defect after machined surface processing.
Claims (7)
- A kind of 1. super thick strip running gate system of injection machine, it is characterised in that：Horizontal poured including casting (1), sprue (2), first Road (3), thin running channel (4), second cross gate (5) and Inner running channels (6), the casting (1) are provided with sprue (2), sprue (2) connected with first of cross gate (3), first of cross gate (3) end is provided with thin running channel (4), the thin running channel (4) with Second cross gate (5) connects, and the second cross gate (5) is connected with Inner running channels (6).
- A kind of 2. pouring technology of the super thick strip running gate system of injection machine according to claim 1, it is characterised in that：Molten iron First of cross gate (3) is entered by the sprue (2) on casting (1), first of cross gate (3) end is provided with thin running channel (4), Most slags are blocked by first of cross gate (3), enter back into second cross gate (5), by relatively thin Inner running channels (6) again Pushing off the slag, all waste residues are kept away by second cross gate (5), wherein, each ingate (6) and thin running channel (4) position flow velocity are less than 50cm/s, avoid producing Secondary Oxidizing Slag.
- 3. the pouring technology of the super thick strip running gate system of injection machine according to claim 1, it is characterised in that：The cast The parameter of technique is as follows：Poured weights：25 tons, pouring temperature：1360 ± 10 DEG C, filling time：250s, Shake-out Time：192h.
- 4. the pouring technology of the super thick strip running gate system of injection machine according to claim 1, it is characterised in that：The cast The raw material of technique are the pig iron, steel scrap, foundry returns, while add carburant carburetting, with thermal analyzer and spectrometer to C and Si It is controlled, by the Composition Control of base iron within the specific limits.
- 5. the pouring technology of the super thick strip running gate system of injection machine according to claim 1, it is characterised in that：The cast The component content of base iron in technique is：C：3.68%th, Si：1.35%th, Mn：0.19%th, P：0.028%th, S：0.015%th, Mg：0.0009%.
- 6. the pouring technology of the super thick strip running gate system of injection machine according to claim 1, it is characterised in that：The cast The component content of whole molten iron in technique is：C：3.6%th, Si：2.1%th, Mn：0.20%th, P：0.029%th, S：0.011%th, Mg： 0.042%.
- 7. the pouring technology of the super thick strip running gate system of injection machine according to claim 1, it is characterised in that：The cast The final result of technique is as follows：Cast is unpacked after 192 hours, clears up pouring and riser systemses, after ball blast polishing, testing result is as follows：Outside See beautiful without without visible field trash；MT detects upper surface scum silica frost≤1.5mm；Without any defect after machined surface processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376330.4A CN107350427A (en) | 2017-05-25 | 2017-05-25 | A kind of super thick strip running gate system of injection machine and its pouring technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710376330.4A CN107350427A (en) | 2017-05-25 | 2017-05-25 | A kind of super thick strip running gate system of injection machine and its pouring technology |
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| CN107350427A true CN107350427A (en) | 2017-11-17 |
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| CN201710376330.4A Pending CN107350427A (en) | 2017-05-25 | 2017-05-25 | A kind of super thick strip running gate system of injection machine and its pouring technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907102A (en) * | 2018-07-16 | 2018-11-30 | 江苏宏德特种部件股份有限公司 | A kind of pouring technology of megawatt wind power gear case support arm |
| CN109277526A (en) * | 2018-11-07 | 2019-01-29 | 阜新力达钢铁铸造有限公司 | The casting method of heavy-section ductile iron die-casting machine |
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| CN102319891A (en) * | 2011-09-13 | 2012-01-18 | 中国科学院金属研究所 | Gating system capable of effectively controlling air entrainment and slag entrainment and design method thereof |
| CN102794446A (en) * | 2011-05-23 | 2012-11-28 | 张年生 | Casting technology preventing ductile irons from suffering shrinkage cavity and shrinkage porosity |
| CN203635867U (en) * | 2013-11-06 | 2014-06-11 | 宁波亿泰来模具有限公司 | Pouring gate structure of aluminium alloy high thin-wall box body |
| CN104325085A (en) * | 2014-11-05 | 2015-02-04 | 浙江佳力风能技术有限公司 | Gating system with multistage split transverse runners |
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| CN105081219A (en) * | 2015-08-31 | 2015-11-25 | 共享装备股份有限公司 | Reverse rising type evaporative pattern casting system |
| CN205020745U (en) * | 2015-09-29 | 2016-02-10 | 日月重工股份有限公司 | Aircraft nose board foundry goods of moulding plastics pouring structure |
| CN106270406A (en) * | 2016-09-30 | 2017-01-04 | 日月重工股份有限公司 | The cavity structure of wind power generating set rear box foundry goods and method |
| CN106583656A (en) * | 2016-11-30 | 2017-04-26 | 安徽应流集团霍山铸造有限公司 | Novel pouring system with slag-collecting anti-crack function |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06126384A (en) * | 1992-10-20 | 1994-05-10 | Toyota Motor Corp | Casting method |
| CN102794446A (en) * | 2011-05-23 | 2012-11-28 | 张年生 | Casting technology preventing ductile irons from suffering shrinkage cavity and shrinkage porosity |
| CN102319891A (en) * | 2011-09-13 | 2012-01-18 | 中国科学院金属研究所 | Gating system capable of effectively controlling air entrainment and slag entrainment and design method thereof |
| CN203635867U (en) * | 2013-11-06 | 2014-06-11 | 宁波亿泰来模具有限公司 | Pouring gate structure of aluminium alloy high thin-wall box body |
| CN104325085A (en) * | 2014-11-05 | 2015-02-04 | 浙江佳力风能技术有限公司 | Gating system with multistage split transverse runners |
| CN104493095A (en) * | 2015-01-09 | 2015-04-08 | 宁波日星铸业有限公司 | Pouring system and pouring method of thin-wall casting |
| CN105081219A (en) * | 2015-08-31 | 2015-11-25 | 共享装备股份有限公司 | Reverse rising type evaporative pattern casting system |
| CN205020745U (en) * | 2015-09-29 | 2016-02-10 | 日月重工股份有限公司 | Aircraft nose board foundry goods of moulding plastics pouring structure |
| CN106270406A (en) * | 2016-09-30 | 2017-01-04 | 日月重工股份有限公司 | The cavity structure of wind power generating set rear box foundry goods and method |
| CN106583656A (en) * | 2016-11-30 | 2017-04-26 | 安徽应流集团霍山铸造有限公司 | Novel pouring system with slag-collecting anti-crack function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907102A (en) * | 2018-07-16 | 2018-11-30 | 江苏宏德特种部件股份有限公司 | A kind of pouring technology of megawatt wind power gear case support arm |
| CN109277526A (en) * | 2018-11-07 | 2019-01-29 | 阜新力达钢铁铸造有限公司 | The casting method of heavy-section ductile iron die-casting machine |
| CN109277526B (en) * | 2018-11-07 | 2020-09-18 | 阜新力达钢铁铸造有限公司 | Casting method of die casting machine template for thick and large-section ductile iron |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 226000 Qijiaqiao Village, Xingren Town, Tongzhou District, Nantong City, Jiangsu Province Applicant after: Jiangsu macro special components Limited by Share Ltd Address before: 226000 four group of Qijia Qiao village, four anzhen, Tongzhou District, Nantong, Jiangsu Applicant before: Nantong Hongde Mechanical Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |