CN106180579A - A kind of casting mold method for rapid cooling - Google Patents
A kind of casting mold method for rapid cooling Download PDFInfo
- Publication number
- CN106180579A CN106180579A CN201610563342.3A CN201610563342A CN106180579A CN 106180579 A CN106180579 A CN 106180579A CN 201610563342 A CN201610563342 A CN 201610563342A CN 106180579 A CN106180579 A CN 106180579A
- Authority
- CN
- China
- Prior art keywords
- casting mold
- foundry goods
- cooling
- sand
- molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/18—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of inorganic agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/18—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of inorganic agents
- B22C1/181—Cements, oxides or clays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/24—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of oily or fatty substances; of distillation residues therefrom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
Abstract
The invention discloses a kind of casting mold method for rapid cooling, comprise the following steps: production process preparation, prepare material, sand processed, moulding, molding, mould assembling casting mold, melt, pour into a mould cooling, solidify after knockout.One casting mold method for rapid cooling of the present invention, by carrying out airway at foundry goods modeling process, in casting process, it is blown into compressed air carries out artificial-strengthening cooling, accelerate the rate of cooling of foundry goods, the heat affecting alleviating sand mold there is extraordinary effect, the defect that foundry goods produces can be reduced because molding sand is heated, thus reduce the generation of blade regio defect, and the cooling of cast limit, limit has refined the crystal grain of foundry goods, foundry goods mechanical performance also improves, improve the quality of foundry goods, the especially H type compressor quality of dividing plate blade, significantly improve, manufactured experimently by batch, use the dividing plate foundry goods that in casting process, the method for blowing compressed air is produced, Non-Destructive Testing is carried out after polishing, quality condition meets the requirements, the most all it is improved largely.
Description
[technical field]
The present invention relates to the technical field of cast casting, particularly to a kind of casting mold method for rapid cooling.
[background technology]
H type compressor is the visual plant of the industries such as metallurgy, chemical industry, petroleum gas, and market potential is relatively big, is Hangzhou vapour
Turbine limited company extended products structure, a field of emphasis developing, for meeting the demand of joint-stock company, the casting forging of Hangzhoupro vapour
Manufacture is developed with regard to H type compressor foundry goods.
Dividing plate is a vitals of H type compressor, dividing plate has N number of return channel blade be uniformly distributed, blade position
Quality be the key that dividing plate foundry goods manufactures, and at present the casting Major Difficulties at blade position is: the spacing between blade
Little, during casting solidification, molding sand is drastically heated baking, is susceptible to sintering, causes blade position to produce slag inclusion, pore lacks
Falling into, root of blade produces the phenomenon of sbrinkage blowhole.For case above, it is necessary to accelerate the rate of cooling of foundry goods, cast limit, limit cools down,
Slow down the heat effect of this position sand mold, reduce the generation of blade regio defect simultaneously, therefore, it is necessary to it is quick to propose a kind of casting mold
Cooling means.
[summary of the invention]
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of casting mold method for rapid cooling, its purport
In solving prior art, H type compressor blade position is easily generated the technical problem of slag inclusion, pore in casting process.
For achieving the above object, the present invention proposes a kind of casting mold method for rapid cooling, comprises the following steps:
Step one, production process preparation: according to dividing plate to be produced, formulate production technology scheme and technical papers, draws
Foundary methods drawing；
Step 2, preparation material: prepare fusing material, molding and core making material and apperance, core box, sandbox；
Step 3, sand processed: molding and core making material prepares molding sand through puddle mixer；
Step 4, moulding: using sandbox, apperance and molding sand to carry out moulding, sandbox is divided into nowel and top box, apperance is placed
In sandbox, and in the lower impressions of nowel and the upper impression of top box, fill out molding sand respectively carry out moulding, and carry out some and lead to
Air flue；
Step 5, molding: after lower impressions and upper impression complete moulding, steadily and vertically take out apperance；
Step 6, mould assembling casting mold: nowel and top box are combined by centrosymmetry, formation dividing plate casting mold cavity, and
An air jet pipe is connected on every airway；
Step 7, fusing: fusing melt material ready in step 2 is become liquid pouring liquid；
Step 8, cast cooling: poured into a mould by the potting syrup that step 7 prepares by running gate system, be full of dividing plate casting
Die cavity, and during cast, it is blown into compressed air by air jet pipe, compressed air accelerates the cold of foundry goods by airway
But；
Knockout after step 9, solidification: after foundry goods cooling and solidifying is complete, stops being blown into compressed air, carries out knockout the most clear
Reason, obtains dividing plate blank.
As preferably, molding and core making material selection chromite sand in described step 2.
As preferably, possibly together with bonding agent and additament in the molding sand prepared in described step 3.
As preferably, described bonding agent be the one in clay, water-glass sand, synthetic resin, conjunction fatty oil, vegetable oil or
Several combinations.
As preferably, described additament is the one or more combination in coal dust, sawdust, paper pulp.
As preferably, the described airway in step 4 runs through lower impressions and upper impression, is distributed in the both sides of apperance, with
Apperance is isolated by molding sand.
As preferably, the quantity of described airway is 2～4, the both sides of the apperance that is placed in.
Beneficial effects of the present invention: compared with prior art, a kind of casting mold method for rapid cooling that the present invention provides, passes through
Carry out airway at foundry goods modeling process, casting process is blown into compressed air and carries out artificial-strengthening cooling, accelerate foundry goods
Rate of cooling, has extraordinary effect to the heat affecting alleviating sand mold, can reduce the defect that foundry goods produces because molding sand is heated, from
And reduce the generation of blade regio defect, and the cooling of cast limit, limit has refined the crystal grain of foundry goods, and foundry goods mechanical performance also has one
Fixed raising, improves the quality of foundry goods, the especially H type compressor quality of dividing plate blade, hence it is evident that improve, and is tried by batch
System, uses the dividing plate foundry goods that in casting process, the method for blowing compressed air is produced, carries out Non-Destructive Testing, quality feelings after polishing
Condition meets the requirements, and is the most all improved largely.
Inventive feature and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the distribution schematic diagram of the airway of the embodiment of the present invention one.
In figure: 1-nowel, 11-lower impressions, 2-top box, 21-upper impression, 22-running gate system, 3-airway, 4-air jet pipe.
[detailed description of the invention]
For making the object, technical solutions and advantages of the present invention of greater clarity, below by accompanying drawing and embodiment, right
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only in order to explain this
Bright, it is not limited to the scope of the present invention.Additionally, in the following description, eliminate the description to known features and technology, with
Avoid unnecessarily obscuring idea of the invention.
Refering to Fig. 1, the embodiment of the present invention provides a kind of casting mold method for rapid cooling, comprises the following steps:
Step one, production process preparation: according to dividing plate to be produced, formulate production technology scheme and technical papers, draws
Foundary methods drawing.
Step 2, preparation material: prepare fusing material, molding and core making material and apperance, core box, sandbox.
Wherein, molding and core making material selection chromite sand.
Step 3, sand processed: molding and core making material prepares molding sand through puddle mixer；
Further, possibly together with bonding agent and additament in the molding sand prepared.
Wherein, the one or more combination during bonding agent is clay, water-glass sand, synthetic resin, conjunction fatty oil, vegetable oil；
Additament is the one or more combination in coal dust, sawdust, paper pulp.
Step 4, moulding: using sandbox, apperance and molding sand to carry out moulding, sandbox is divided into nowel 1 and top box 2, apperance is put
It is placed in sandbox, and in the lower impressions 11 of nowel 1 and the upper impression 21 of top box 2, fills out molding sand respectively and carry out moulding, and carry out
Some airways 3.
Further, airway 3 runs through lower impressions 11 and upper impression 21, is distributed in the both sides of apperance, passes through type with apperance
Sand is isolated.
Further, the quantity of airway 3 is 2～4, the both sides of the apperance that is placed in.
Step 5, molding: after lower impressions 11 and upper impression 21 complete moulding, steadily and vertically take out apperance.
Step 6, mould assembling casting mold: nowel 1 and top box 2 are combined by centrosymmetry, form dividing plate casting mold cavity, and
Every airway 3 connects an air jet pipe 4.
Step 7, fusing: fusing melt material ready in step 2 is become liquid pouring liquid.
Step 8, cast cooling: poured into a mould by the potting syrup that step 7 prepares by running gate system 22, be full of dividing plate casting
Moulding chamber, and during cast, it is blown into compressed air by air jet pipe 4, compressed air accelerates foundry goods by airway 3
Cooling.
Knockout after step 9, solidification: after foundry goods cooling and solidifying is complete, stops being blown into compressed air, carries out knockout the most clear
Reason, obtains dividing plate blank.
Embodiment one,
The quantity of airway 3 is 2, the left and right sides of the apperance that is placed in.
Embodiment two,
The quantity of airway 3 is 4, the surrounding of the apperance that is placed in.
By embodiment one and the foundry goods obtained by embodiment two, both compare, and the rate of cooling in embodiment two is brighter
Aobvious, slow down foundry goods and heat effect and the telling on of blade regio defect of minimizing of sand mold between blade are also become apparent from, and implement
Example one and embodiment two all use the method that cast limit, limit cools down, and relatively use current commonsense method, have more refined the crystalline substance of foundry goods
Grain, foundry goods mechanical performance is also improved, and improves the quality that foundry goods is overall.
One casting mold method for rapid cooling of the present invention, especially to the H type compressor quality of dividing plate blade, hence it is evident that carry
Height, is manufactured experimently by batch, uses the H type compressor dividing plate foundry goods that in casting process, the method for blowing compressed air is produced,
Carrying out Non-Destructive Testing after polishing, quality condition meets the requirements, and qualification rate and total quality are the most all improved largely, we
Method is equally applicable to the casting of other foundry goods.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent or the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (7)
1. a casting mold method for rapid cooling, it is characterised in that: comprise the following steps:
Step one, production process preparation: according to dividing plate to be produced, formulate production technology scheme and technical papers, draws casting
Artwork；
Step 2, preparation material: prepare fusing material, molding and core making material and apperance, core box, sandbox；
Step 3, sand processed: molding and core making material prepares molding sand through puddle mixer；
Step 4, moulding: using sandbox, apperance and molding sand to carry out moulding, sandbox is divided into nowel (1) and top box (2), apperance is put
It is placed in sandbox, and in the lower impressions (11) of nowel (1) and the upper impression (21) of top box (2), fills out molding sand respectively and make
Type, and carry out some airways (3)；
Step 5, molding: after lower impressions (11) and upper impression (21) complete moulding, steadily and vertically take out apperance；
Step 6, mould assembling casting mold: nowel (1) and top box (2) are combined by centrosymmetry, form dividing plate casting mold cavity, and
Every airway (3) piece air jet pipe (4) of upper connection；
Step 7, fusing: fusing melt material ready in step 2 is become liquid pouring liquid；
Step 8, cast cooling: the potting syrup that step 7 prepares is poured into a mould by running gate system (22),
Being full of dividing plate casting mold cavity, and during cast, be blown into compressed air by air jet pipe (4), compressed air is passed through
Airway (3) accelerates the cooling of foundry goods；
Knockout after step 9, solidification: after foundry goods cooling and solidifying is complete, stops being blown into compressed air, carries out knockout and clear up,
To dividing plate blank.
2. a kind of casting mold method for rapid cooling as claimed in claim 1, it is characterised in that: molding and core making in described step 2
Use material selection chromite sand.
3. a kind of casting mold method for rapid cooling as claimed in claim 1, it is characterised in that: the type prepared in described step 3
Possibly together with bonding agent and additament in sand.
4. a kind of casting mold method for rapid cooling as claimed in claim 3, it is characterised in that: described bonding agent is clay, water
One or more combination in glass sand, synthetic resin, conjunction fatty oil, vegetable oil.
5. a kind of casting mold method for rapid cooling as claimed in claim 3, it is characterised in that: described additament is coal dust, saw
One or more combination in end, paper pulp.
6. a kind of casting mold method for rapid cooling as claimed in claim 1, it is characterised in that: the described airway in step 4
(3) run through lower impressions (11) and upper impression (21), be distributed in the both sides of apperance, isolated by molding sand with apperance.
7. a kind of casting mold method for rapid cooling as claimed in claim 6, it is characterised in that: the quantity of described airway (3)
It is 2～4, the both sides of the apperance that is placed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563342.3A CN106180579A (en) | 2016-07-15 | 2016-07-15 | A kind of casting mold method for rapid cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563342.3A CN106180579A (en) | 2016-07-15 | 2016-07-15 | A kind of casting mold method for rapid cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106180579A true CN106180579A (en) | 2016-12-07 |
Family
ID=57475646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610563342.3A Pending CN106180579A (en) | 2016-07-15 | 2016-07-15 | A kind of casting mold method for rapid cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106180579A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377882A (en) * | 2017-06-22 | 2017-11-24 | 江苏理工学院 | A kind of iron casting processing method |
| CN108580854A (en) * | 2018-04-23 | 2018-09-28 | 芜湖市华邦流体科技有限公司 | A kind of cooling platform of gate valve casting |
| CN109014141A (en) * | 2018-10-12 | 2018-12-18 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of cooling mold and its sealing cooling means |
| CN110576175A (en) * | 2019-09-29 | 2019-12-17 | 张家港科杰机械装备有限公司 | Production process for chemical castings |
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| CN202398784U (en) * | 2012-01-19 | 2012-08-29 | 山东莱德机械有限公司 | Cast sand mould |
| CN104084536A (en) * | 2014-04-14 | 2014-10-08 | 王忠仁 | Sand casting technology of large flat aluminum alloy casting |
| CN204135296U (en) * | 2014-10-15 | 2015-02-04 | 常州纺织服装职业技术学院 | A kind of pipe fitting waters casting die structure |
| CN105562601A (en) * | 2015-12-21 | 2016-05-11 | 湖北金阳石新型耐磨材料科技有限公司 | Method for preparing high-chromium plate hammer of impact crusher |
-
2016
- 2016-07-15 CN CN201610563342.3A patent/CN106180579A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202398784U (en) * | 2012-01-19 | 2012-08-29 | 山东莱德机械有限公司 | Cast sand mould |
| CN104084536A (en) * | 2014-04-14 | 2014-10-08 | 王忠仁 | Sand casting technology of large flat aluminum alloy casting |
| CN204135296U (en) * | 2014-10-15 | 2015-02-04 | 常州纺织服装职业技术学院 | A kind of pipe fitting waters casting die structure |
| CN105562601A (en) * | 2015-12-21 | 2016-05-11 | 湖北金阳石新型耐磨材料科技有限公司 | Method for preparing high-chromium plate hammer of impact crusher |
Non-Patent Citations (1)
| Title |
|---|
| 杜晓琳等: "《工程技能训练教程》", 30 April 2009, 清华大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377882A (en) * | 2017-06-22 | 2017-11-24 | 江苏理工学院 | A kind of iron casting processing method |
| CN108580854A (en) * | 2018-04-23 | 2018-09-28 | 芜湖市华邦流体科技有限公司 | A kind of cooling platform of gate valve casting |
| CN109014141A (en) * | 2018-10-12 | 2018-12-18 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of cooling mold and its sealing cooling means |
| CN110576175A (en) * | 2019-09-29 | 2019-12-17 | 张家港科杰机械装备有限公司 | Production process for chemical castings |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |