CN103658555A - Dry sand negative-pressure cavity casting technology - Google Patents
Dry sand negative-pressure cavity casting technology Download PDFInfo
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- CN103658555A CN103658555A CN201310538557.6A CN201310538557A CN103658555A CN 103658555 A CN103658555 A CN 103658555A CN 201310538557 A CN201310538557 A CN 201310538557A CN 103658555 A CN103658555 A CN 103658555A
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Abstract
The invention discloses a dry sand negative-pressure cavity casting technology, and relates to the technical field of casting element casting. The dry sand negative-pressure cavity casting technology comprises the following steps of casting a mold, pouring according to a model, processing under negative pressure, heating at high temperature, cooling, polishing, grinding, inspecting the quality, and putting finished products into a storage. The dry sand negative-pressure cavity casting technology provided by the invention has the beneficial effects of being novel in design, simple in structure, relatively tight in casting without a clearance during casting, high in automation, and high in efficiency, has no pollution, and guarantees the precision and the yield of casting elements. The intensity in the mold is increased by adopting a dry sand negative pressure mode in casting of the mold.
Description
Technical field
The present invention relates to cast casting technical field, be specifically related to dried sand negative-pressure cavity casting technique.
Background technology
Casting mould refers in order to obtain the planform of part, with the material of other easy moulding, make in advance the planform of part, and then in sand mold, put into mould, so just formed a cavity the same with design of part size in sand mold, in this cavity, pour into a mould again mobility liquid, this liquid cools just can form after solidifying and the duplicate part of mold shape structure, casting mould industry is through development for many years, made significant headway, but its development still exists many problems, high investment, high flow rate, high pollution, inefficient, poor benefit is the ubiquitous problem of current casting industry, how to address these problems is current extremely urgent problem.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of technique simple, the dried sand negative-pressure cavity casting technique that production efficiency is high.
Technical problem to be solved by this invention realizes by the following technical solutions:
Dried sand negative-pressure cavity casting technique, is characterized in that: comprise the following steps:
1) design casting pattern and running channel, be decomposed into matrix by casting pattern;
2) choose high temperature resistant sand;
3) will in high temperature resistant sand in step 2, add hot animi resin, fully stir and form hot animi resin sand;
4) the casting matrix in step 1 is arranged on core shooter, at the hot animi resin sand of the inner filling of matrix;
5) the inner hot animi resin sand of filling of model in step 4 is carried out to high-temperature heating until solidify;
6) the curing matrix of step 5 is all taken out, then splicing is assembled into model;
7) the Model Space cavity assembling is imbedded and is provided with in dry quartz sand sandbox;
8) running channel of Model Space cavity be arranged on outside sandbox and adopt membrane sealed;
9) before casting, sandbox is connected to a negative pressure pump, by negative pressure pump, negative pressure is carried out in sandbox inside;
10) in step 9, in negative pressure pump work, by running channel, start Model Space cavity to carry out high temperature casting;
11) after casting, stop the work of negative pressure pump, treat that it is cooling by sandbox is standing;
12) cooled sandbox in step 11 is opened, taken out model cavity, decomposite foundry goods;
13) after the polishing grinding foundry goods decompositing in step 12 being become more meticulous, obtain finished product;
14) casting finished products in step 13 is carried out to product inspection;
15) finished product being up to the standards is packed to warehouse-in.
The hot animi resin adding in described step 2 is powerful adhesive.
Described step 7 cheek be set to one side opening can closed sandbox and sandbox be provided with exhaust tube.
Described step 7 cheek bottom is provided with vibration pump.
The invention has the beneficial effects as follows: the present invention is novel in design, simple in structure, in die casting, adopt the mode of dried sand negative-pressure, make mould inside pressure become large, casting is simultaneously more closely seamless, and automation is strong, and efficiency is high, pollution-free, guaranteed accuracy and the qualification rate of foundry goods.
The specific embodiment
For technological means, creation characteristic that invention is realized, reach object and effect is easy to understand, below in conjunction with concrete example, further set forth the present invention.
Dried sand negative-pressure cavity casting technique, comprises the following steps:
1) design casting pattern and running channel, be decomposed into matrix by casting pattern;
2) choose high temperature resistant sand;
3) will in high temperature resistant sand in step 2, add hot animi resin as adhesive, fully stir and form hot animi resin sand;
4) the casting matrix in step 1 is arranged on core shooter, at the hot animi resin sand of the inner filling of matrix;
5) the inner hot animi resin sand of filling of model in step 4 is carried out to high-temperature heating until solidify;
6) the curing matrix of step 5 is all taken out, then splicing is assembled into model;
7) the Model Space cavity assembling is imbedded and is provided with in dry quartz sand sandbox, sandbox be set to one side opening can closed sandbox and be provided with exhaust tube, sandbox bottom is provided with vibration pump;
8) running channel of Model Space cavity be arranged on outside sandbox and adopt membrane sealed;
9) before casting, sandbox is connected to a negative pressure pump, by negative pressure pump, negative pressure is carried out in sandbox inside;
10) in step 9, in negative pressure pump work, by running channel, start Model Space cavity to carry out high temperature casting;
11) after casting, stop the work of negative pressure pump, treat that it is cooling by sandbox is standing;
12) cooled sandbox in step 11 is opened, taken out model cavity, decomposite foundry goods;
13) after the polishing grinding foundry goods decompositing in step 12 being become more meticulous, obtain finished product;
14) casting finished products in step 13 is carried out to product inspection;
15) finished product being up to the standards is packed to warehouse-in.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. dried sand negative-pressure cavity casting technique, is characterized in that: comprise the following steps:
1) design casting pattern and running channel, be decomposed into matrix by casting pattern;
2) choose high temperature resistant sand;
3) will in high temperature resistant sand in step 2, add hot animi resin, fully stir and form hot animi resin sand;
4) the casting matrix in step 1 is arranged on core shooter, at the hot animi resin sand of the inner filling of matrix;
5) the inner hot animi resin sand of filling of model in step 4 is carried out to high-temperature heating until solidify;
6) the curing matrix of step 5 is all taken out, then splicing is assembled into model;
7) the Model Space cavity assembling is imbedded and is provided with in dry quartz sand sandbox;
8) running channel of Model Space cavity be arranged on outside sandbox and adopt membrane sealed;
9) before casting, sandbox is connected to a negative pressure pump, by negative pressure pump, negative pressure is carried out in sandbox inside;
10) in step 9, in negative pressure pump work, by running channel, start Model Space cavity to carry out high temperature casting;
11) after casting, stop the work of negative pressure pump, treat that it is cooling by sandbox is standing;
12) cooled sandbox in step 11 is opened, taken out model cavity, decomposite foundry goods;
13) after the polishing grinding foundry goods decompositing in step 12 being become more meticulous, obtain finished product;
14) casting finished products in step 13 is carried out to product inspection;
15) finished product being up to the standards is packed to warehouse-in.
2. dried sand negative-pressure cavity casting technique according to claim 1, is characterized in that: the hot animi resin adding in described step 2 is powerful adhesive.
3. dried sand negative-pressure cavity casting technique according to claim 1, is characterized in that: described step 7 cheek be set to one side opening can closed sandbox and sandbox be provided with exhaust tube.
4. dried sand negative-pressure cavity casting technique according to claim 1, is characterized in that: described step 7 cheek bottom is provided with vibration pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538557.6A CN103658555A (en) | 2013-11-04 | 2013-11-04 | Dry sand negative-pressure cavity casting technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538557.6A CN103658555A (en) | 2013-11-04 | 2013-11-04 | Dry sand negative-pressure cavity casting technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103658555A true CN103658555A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310538557.6A Pending CN103658555A (en) | 2013-11-04 | 2013-11-04 | Dry sand negative-pressure cavity casting technology |
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| CN (1) | CN103658555A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392017A (en) * | 2016-06-13 | 2017-02-15 | 吴江市液铸液压件铸造有限公司 | Multi-contact sand pressing mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036434A1 (en) * | 1980-03-25 | 1981-09-30 | Eugen Dipl.-Ing. Bühler | Method and device for compacting casting moulds |
| JPS6174765A (en) * | 1984-09-21 | 1986-04-17 | Hitachi Metals Ltd | Casting method for metallic pattern |
| CN1701874A (en) * | 2005-06-07 | 2005-11-30 | 如皋市超达模具配套有限公司 | Vacuum negative pressure casting process of foam die casting piece |
| CN1951596A (en) * | 2006-11-20 | 2007-04-25 | 包正权 | Hot precoated sand stack casting process |
| CN101134237A (en) * | 2007-10-11 | 2008-03-05 | 丁家伟 | Reinforcing phase metallic gradient composite material manufacturing process and equipment thereof |
| CN101850414A (en) * | 2009-04-02 | 2010-10-06 | 河南省矿发起重机有限公司 | Vacuum negative-pressure model casting |
| CN102294434A (en) * | 2011-08-05 | 2011-12-28 | 谌征 | Composite molding casting process |
| CN103611919A (en) * | 2013-10-24 | 2014-03-05 | 铜陵市经纬流体科技有限公司 | Method for casting dry sand negative pressure cavity |
-
2013
- 2013-11-04 CN CN201310538557.6A patent/CN103658555A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036434A1 (en) * | 1980-03-25 | 1981-09-30 | Eugen Dipl.-Ing. Bühler | Method and device for compacting casting moulds |
| JPS6174765A (en) * | 1984-09-21 | 1986-04-17 | Hitachi Metals Ltd | Casting method for metallic pattern |
| CN1701874A (en) * | 2005-06-07 | 2005-11-30 | 如皋市超达模具配套有限公司 | Vacuum negative pressure casting process of foam die casting piece |
| CN1951596A (en) * | 2006-11-20 | 2007-04-25 | 包正权 | Hot precoated sand stack casting process |
| CN101134237A (en) * | 2007-10-11 | 2008-03-05 | 丁家伟 | Reinforcing phase metallic gradient composite material manufacturing process and equipment thereof |
| CN101850414A (en) * | 2009-04-02 | 2010-10-06 | 河南省矿发起重机有限公司 | Vacuum negative-pressure model casting |
| CN102294434A (en) * | 2011-08-05 | 2011-12-28 | 谌征 | Composite molding casting process |
| CN103611919A (en) * | 2013-10-24 | 2014-03-05 | 铜陵市经纬流体科技有限公司 | Method for casting dry sand negative pressure cavity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392017A (en) * | 2016-06-13 | 2017-02-15 | 吴江市液铸液压件铸造有限公司 | Multi-contact sand pressing mechanism |
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Application publication date: 20140326 |