CN107671242A - A kind of smokeless pouring technology of gravity casting mold - Google Patents

A kind of smokeless pouring technology of gravity casting mold Download PDF

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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.)
Pending
Application number
CN201610626013.9A
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Chinese (zh)
Inventor
徐敬白
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiangshan Zhong Ding Machinery Mould Co Ltd
Original Assignee
Xiangshan Zhong Ding Machinery Mould Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiangshan Zhong Ding Machinery Mould Co Ltd filed Critical Xiangshan Zhong Ding Machinery Mould Co Ltd
Priority to CN201610626013.9A priority Critical patent/CN107671242A/en
Publication of CN107671242A publication Critical patent/CN107671242A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/08Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions 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

A kind of smokeless pouring technology of gravity casting mold
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)

  1. 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.
  2. 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.
  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.
  4. 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.
  5. 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.
  6. 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.
CN201610626013.9A 2016-08-01 2016-08-01 A kind of smokeless pouring technology of gravity casting mold Pending CN107671242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610626013.9A CN107671242A (en) 2016-08-01 2016-08-01 A kind of smokeless pouring technology of gravity casting mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610626013.9A CN107671242A (en) 2016-08-01 2016-08-01 A kind of smokeless pouring technology of gravity casting mold

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CN107671242A true CN107671242A (en) 2018-02-09

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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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