CN107671242A - A kind of smokeless pouring technology of gravity casting mold - Google Patents
A kind of smokeless pouring technology of gravity casting mold Download PDFInfo
- Publication number
- CN107671242A CN107671242A CN201610626013.9A CN201610626013A CN107671242A CN 107671242 A CN107671242 A CN 107671242A CN 201610626013 A CN201610626013 A CN 201610626013A CN 107671242 A CN107671242 A CN 107671242A
- Authority
- CN
- China
- Prior art keywords
- mould
- core
- smokeless
- pouring technology
- rising head
- 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.)
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Classifications
-
- 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
-
- 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
Abstract
The invention discloses a kind of smokeless pouring technology of gravity casting mold, its pouring technology step are as follows:The resin material of required coremaking and casting mold are ready to, the sand material material processed of resin material and script is carried out being mixed and made into core, the preheating of mould can be synchronously carried out during core is made and is coated, the core made is put into mould, preheating before being poured into a mould, then matched moulds, filter layer is installed in the gas outlet of mould, rising head is installed in die surface, poured into a mould by the cast gate of mould, after casting complete, close rising head, it is cold in the closing laggard water-filling of rising head, casting is taken out from mould inside, environmental protection treatment is entered to core, casting is polished simultaneously, do leak experiment, finally be put in storage.The beneficial effects of the invention are as follows:The smokeless pouring technology of this kind of gravity casting mold can cause waste gas majority to be stored in core by installing the rising head of filter layer and installation with sealing process in gas outlet.
Description
Technical field
The present invention relates to a kind of work flow technique, specially a kind of smokeless pouring technology of gravity casting mold, belong to weight
Power pouring technology applied technical field.
Background technology
Problem of environmental pollution always perplexs and restricted a key factor of social development, the pollution problem of getting worse
Bring ill effect for our living environment, and casting industry due to as energy consumption and pollutant emission it is main come
Source, so its energy-saving and emission-reduction receives the extensive concern of people, for the situation of casting industry now, big great development green casting
Make, emission reduction directly carried out using low emission production technology and equipment, be reduce casting industry environmental pollution the most directly and
Effective method.
In casting process, the source of pollution is mainly waste gas, and existing Casting Equipment focuses on die cavity exhaust, and most castings
Manufacturing apparatus is all using open Feeder Design, and waste gas is directly discharged among air, and serious pollutes environment.Therefore,
A kind of smokeless pouring technology of gravity casting mold is proposed regarding to the issue above.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of gravity casting mold smokeless pouring technology.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of smokeless pouring technology of gravity casting mold, its
Pouring technology comprises the following steps:
Step A, core and preheated mold are prepared, resin material and core raw material are sufficiently mixed, by these mixing materials
Core is made in material, while mould is preheated and coated, and then obtained core is put into mould, poured again
Preheating before note, preheating is 20min often;
Step B, matched moulds and cast, the mould after step A is preheated enter matched moulds, and filtering is installed in the gas outlet of mould
Layer, while rising head is installed, poured into a mould after rising head installation by the cast gate of mould, rising head is closed after casting complete;
Step C, water cooling, pickup and processing core, the mould after being poured into a mould according to step B carry out water cooling, open mould
Tool, casting is taken out, while do environmental protection treatment to core;
Step D, polishing casting, experiment and storage, will be polished, polishing according to the casting obtained by step C,
Leak experiment is carried out after the completion of polishing, after pass the test, by product warehousing.
Preferably, the resin material quality of the step A cores and the quality proportioning of core raw material are 1:Between 2~3.
Preferably, the step A moulds carry out the rendering of coating between preheating twice.
Preferably, rising head is a kind of rising head with filter layer and closing function in the step B.
Preferably, it is to handle the waste gas in core to the environmental protection treatment of core in the step C.
Preferably, the preheating temperature scope of the step A moulds is 150 DEG C to 260 DEG C.
The beneficial effects of the invention are as follows:The smokeless pouring technology of this kind of gravity casting mold in gas outlet by installing filter layer
And rising head of the installation with sealing process, waste gas majority can be caused to be stored in core, will not be discharged outside being directly discharged to
Collarette border, environmental pollution is caused, while the waste gas of gas outlet discharge has also reached emission request after being filtered by filter layer, by
Use the mixing material with resin to make in core, the waste gas that core is distributed in cast can be reduced, after reducing cast
Processing work of the phase to waste gas.
Brief description of the drawings
Fig. 1 is the process chart of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment one:
A kind of smokeless pouring technology of gravity casting mold, its pouring technology comprise the following steps:
Step A, core and preheated mold are prepared, resin material and core raw material are sufficiently mixed, by these mixing materials
Core is made in material, while mould is preheated and coated, and then obtained core is put into mould, poured again
Preheating before note, preheating is 20min often;
Step B, matched moulds and cast, the mould after step A is preheated enter matched moulds, and filtering is installed in the gas outlet of mould
Layer, while rising head is installed, poured into a mould after rising head installation by the cast gate of mould, rising head is closed after casting complete;
Step C, water cooling, pickup and processing core, the mould after being poured into a mould according to step B carry out water cooling, open mould
Tool, casting is taken out, while do environmental protection treatment to core;
Step D, polishing casting, experiment and storage, will be polished, polishing according to the casting obtained by step C,
Leak experiment is carried out after the completion of polishing, after pass the test, by product warehousing.
The resin material quality of the step A cores is 1 with the quality proportioning of core raw material:2;The step A moulds
The rendering of coating is carried out between preheating twice;Rising head is a kind of rising head with filter layer and closing function in the step B;
It is to handle the waste gas in core to the environmental protection treatment of core in the step C;The preheating temperature of the step A moulds is
260℃。
Embodiment two:
A kind of smokeless pouring technology of gravity casting mold, its pouring technology comprise the following steps:
Step A, core and preheated mold are prepared, resin material and core raw material are sufficiently mixed, by these mixing materials
Core is made in material, while mould is preheated and coated, and then obtained core is put into mould, poured again
Preheating before note, preheating is 20min often;
Step B, matched moulds and cast, the mould after step A is preheated enter matched moulds, and filtering is installed in the gas outlet of mould
Layer, while rising head is installed, poured into a mould after rising head installation by the cast gate of mould, rising head is closed after casting complete;
Step C, water cooling, pickup and processing core, the mould after being poured into a mould according to step B carry out water cooling, open mould
Tool, casting is taken out, while do environmental protection treatment to core;
Step D, polishing casting, experiment and storage, will be polished, polishing according to the casting obtained by step C,
Leak experiment is carried out after the completion of polishing, after pass the test, by product warehousing.
The resin material quality of the step A cores is 1 with the quality proportioning of core raw material:2.5;The step A moulds
Has the rendering that coating is carried out between preheating twice;Rising head is a kind of emitting with filter layer and closing function in the step B
Mouthful;It is to handle the waste gas in core to the environmental protection treatment of core in the step C;The preheating temperature of the step A moulds
Spend for 200 DEG C.
Embodiment three:
A kind of smokeless pouring technology of gravity casting mold, its pouring technology comprise the following steps:
Step A, core and preheated mold are prepared, resin material and core raw material are sufficiently mixed, by these mixing materials
Core is made in material, while mould is preheated and coated, and then obtained core is put into mould, poured again
Preheating before note, preheating is 10min often;
Step B, matched moulds and cast, the mould after step A is preheated enter matched moulds, and filtering is installed in the gas outlet of mould
Layer, while rising head is installed, poured into a mould after rising head installation by the cast gate of mould, rising head is closed after casting complete;
Step C, water cooling, pickup and processing core, the mould after being poured into a mould according to step B carry out water cooling, open mould
Tool, casting is taken out, while do environmental protection treatment to core;
Step D, polishing casting, experiment and storage, will be polished, polishing according to the casting obtained by step C,
Leak experiment is carried out after the completion of polishing, after pass the test, by product warehousing.
The resin material quality of the step A cores is 1 with the quality proportioning of core raw material:3;The step A moulds
The rendering of coating is carried out between preheating twice;Rising head is a kind of rising head with filter layer and closing function in the step B;
It is to handle the waste gas in core to the environmental protection treatment of core in the step C;The preheating temperature of the step A moulds is
260℃。
Smokeless cast can be realized by above-mentioned technique, greatly reduce the discharge of waste gas.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
- A kind of 1. smokeless pouring technology of gravity casting mold, it is characterised in that:Its pouring technology comprises the following steps:Step A, core and preheated mold are prepared, resin material and core raw material are sufficiently mixed, by these mixing material systems Preheated and coated into core, while to mould, then obtained core is put into mould, before being poured into a mould again Preheating, preheat 20min;Step B, matched moulds and cast, the mould after step A is preheated enter matched moulds, install filter layer in the gas outlet of mould, together When rising head is installed, poured into a mould after rising head installation by the cast gate of mould, rising head closed after casting complete;Step C, water cooling, pickup and processing core, the mould after being poured into a mould according to step B carry out water cooling, open mould, will Casting takes out, while does environmental protection treatment to core;Step D, polishing casting, experiment and storage, will be polished, polishing according to the casting obtained by step C, are being polished After the completion of carry out leak experiment, after pass the test, by product warehousing.
- A kind of 2. smokeless pouring technology of gravity casting mold according to claim 1, it is characterised in that:The step A sand The resin material quality of core is 1 with the quality proportioning of core raw material:Between 2~3.
- A kind of 3. smokeless pouring technology of gravity casting mold according to claim 1, it is characterised in that:The step A moulds Has the rendering that coating is carried out between preheating twice.
- A kind of 4. smokeless pouring technology of gravity casting mold according to claim 1, it is characterised in that:In the step B Rising head is a kind of rising head with filter layer and closing function.
- A kind of 5. smokeless pouring technology of gravity casting mold according to claim 1, it is characterised in that:In the step C Environmental protection treatment to core is to handle the waste gas in core.
- A kind of 6. smokeless pouring technology of gravity casting mold according to claim 1, it is characterised in that:The step A moulds The preheating temperature scope of tool is 150 DEG C to 260 DEG C.
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CN201610626013.9A CN107671242A (en) | 2016-08-01 | 2016-08-01 | A kind of smokeless pouring technology of gravity casting mold |
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CN201610626013.9A CN107671242A (en) | 2016-08-01 | 2016-08-01 | A kind of smokeless pouring technology of gravity casting mold |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110465626A (en) * | 2019-08-26 | 2019-11-19 | 江苏荣腾精密组件科技股份有限公司 | A kind of smokeless pouring technology |
CN112496279A (en) * | 2020-11-13 | 2021-03-16 | 攀钢集团攀枝花钢铁研究院有限公司 | Ingot feeding method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04344867A (en) * | 1991-05-20 | 1992-12-01 | Taiyo Chuki Co Ltd | Method for cleaning and discharging harmful gas produced at the time of casting into lost foam pattern |
JP2003334634A (en) * | 2002-05-16 | 2003-11-25 | Kao Corp | Evaporative pattern casting method |
CN104646630A (en) * | 2015-01-29 | 2015-05-27 | 夏平桂 | Smokeless casting process |
CN104646627A (en) * | 2015-01-29 | 2015-05-27 | 夏平桂 | Smokeless casting process for gravity casting mould |
-
2016
- 2016-08-01 CN CN201610626013.9A patent/CN107671242A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04344867A (en) * | 1991-05-20 | 1992-12-01 | Taiyo Chuki Co Ltd | Method for cleaning and discharging harmful gas produced at the time of casting into lost foam pattern |
JP2003334634A (en) * | 2002-05-16 | 2003-11-25 | Kao Corp | Evaporative pattern casting method |
CN104646630A (en) * | 2015-01-29 | 2015-05-27 | 夏平桂 | Smokeless casting process |
CN104646627A (en) * | 2015-01-29 | 2015-05-27 | 夏平桂 | Smokeless casting process for gravity casting mould |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110465626A (en) * | 2019-08-26 | 2019-11-19 | 江苏荣腾精密组件科技股份有限公司 | A kind of smokeless pouring technology |
CN112496279A (en) * | 2020-11-13 | 2021-03-16 | 攀钢集团攀枝花钢铁研究院有限公司 | Ingot feeding method |
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Application publication date: 20180209 |
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