CN101623745B - Process method of in-series pouring multiple lost moulds in one box - Google Patents
Process method of in-series pouring multiple lost moulds in one box Download PDFInfo
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- CN101623745B CN101623745B CN 200910063590 CN200910063590A CN101623745B CN 101623745 B CN101623745 B CN 101623745B CN 200910063590 CN200910063590 CN 200910063590 CN 200910063590 A CN200910063590 A CN 200910063590A CN 101623745 B CN101623745 B CN 101623745B
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Abstract
The invention provides a process method of in-series pouring multiple lost moulds in one box. The method comprises the following steps: (1) a plurality of pouring channels are fabricated in advance, the pouring channels are respectively connected with moulds, the straight pouring channels between adjacent pouring channels are connected through a cross pouring channel, and the cross pouring channel forms a tilting angle of 8 to 20 degrees with the horizontal direction; (2) the moulds are boxed and sand moulds are vibrated to be compact; plastic films are covered on the sand moulds; and (3) vacuum suction pouring: molten iron is poured from the pouring gate of the pouring channel of a mould, and the molten iron is poured into all the moulds from the communicated cross channels. The method has the advantages that in-series pouring is realized through the communicated cross pouring channels, multiple lost moulds in one box can be poured through only one pouring gate, the pouring speed is high, compared with the prior pouring method, the pouring speed is increased by more than one time, plastic film is damaged only near one straight pouring channel, simultaneously the temperature of the molten iron is slowly reduced, the pouring quality is good, and the rejection ratio of pouring is low.
Description
Technical field
The present invention relates to the lost foam casting field, especially the process of multiple lost moulds in one box cast.
Background technology
In the evaporative pattern casting process, should consider that poring rate is fast, the negative pressure of sandbox can not destroyed negative pressure because of the temperature of molten iron after the consideration cast completion again, usually adopt a sandbox to arrange that a plurality of foundry goods pour into a mould, this method, the running channel of each foundry goods is independently, needs repeatedly cast, and speed is slow; Easily because high temperature liquid iron destroys the plastic sheeting that covers, affect the negative pressure in the case, thereby affect casting quality near the sprue.
Summary of the invention
The present invention proposes the process of series pouring multiple lost moulds in one box, what reach is should poring rate fast, after considering again simultaneously to pour, does not have high temperature liquid iron that the plastic sheeting that covers is destroyed near the straight way, affect the interior negative pressure of case.
Technical scheme of the present invention is: the process of series pouring multiple lost moulds in one box, the steps include: that (1) do a lot of running channel in advance, a plurality of running channels are connected with model respectively, connect by cross gate between the sprue of adjacent running channel, cross gate and horizontal direction are 8～20 ° angle of inclination; (2), the vanning moulding, the jolt ramming sand mold; And on sand mold attached plastic sheeting; (3), vacuumize cast: pour into a mould from the cast gate of the running channel of a model, molten iron is poured into each model from the cross gate that is communicated with.
Beneficial effect: the present invention realizes series pouring by the connection of cross gate, only need to carry out one case many cast from a cast gate, poring rate is fast, poring rate is enhanced about more than once than existing pouring procedure, only near a sprue, the plastic sheeting breakoff phenomenon is arranged, the drop in temperature of molten iron is slow simultaneously, and casting quality is good, and the percent defective of cast is low.
Description of drawings
Fig. 1 is a kind of embodiment schematic diagram of the present invention.
The specific embodiment
A kind of embodiment of the present invention as shown in Figure 1, the steps include: that (1) carry out four running channels in advance, four running channels are connected with model 11 respectively, connect by cross gate 4 between the sprue 3 of adjacent running channel, cross gate 4 is 8～20 ° angle of inclination with horizontal direction; (2), sandbox bottom is provided with pumping chamber, sets gradually from bottom to top stephanoporate steel plate 9, fine sand net 8, coarse sand net 7 on the pumping chamber, sand 2 is contained on the coarse sand net 7, vanning moulding, jolt ramming sand mold; And on sand mold attached plastic sheeting 5; (3), vacuumize cast: vacuumize from bleeding point 10, pour into a mould from the cast gate 6 of the running channel of a model, molten iron is poured into each model from the cross gate that is communicated with.
Shown in Figure 1 is one case four series pouring, the present invention be not limited to one the case four, can be that more multi-model is arranged in three or one case in one case two or one case.
Claims (1)
1. the process of series pouring multiple lost moulds in one box, the steps include: that (1) do a lot of running channel in advance, a plurality of running channels are connected with model respectively, connect by cross gate between the sprue of adjacent running channel, cross gate and horizontal direction are 8～20 ° angle of inclination; (2), the vanning moulding, the jolt ramming sand mold; And on sand mold attached plastic sheeting; (3), vacuumize cast: pour into a mould from the cast gate of the running channel of a model, molten iron is poured into each model from the cross gate that is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910063590 CN101623745B (en) | 2009-08-13 | 2009-08-13 | Process method of in-series pouring multiple lost moulds in one box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910063590 CN101623745B (en) | 2009-08-13 | 2009-08-13 | Process method of in-series pouring multiple lost moulds in one box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101623745A CN101623745A (en) | 2010-01-13 |
| CN101623745B true CN101623745B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910063590 Active CN101623745B (en) | 2009-08-13 | 2009-08-13 | Process method of in-series pouring multiple lost moulds in one box |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353782A (en) * | 2014-10-27 | 2015-02-18 | 无锡乐华自动化科技有限公司 | Lost foam casting process of high-manganese steel sieve plate |
| CN104785731B (en) * | 2015-05-11 | 2017-03-01 | 江苏力源金河铸造有限公司 | A kind of reduction box casing casting technique |
| CN105364007A (en) * | 2015-12-11 | 2016-03-02 | 攀枝花钢城集团有限公司 | Evaporative pattern casting encasement structure and evaporative pattern casting encasement method |
| TWI618587B (en) * | 2016-08-11 | 2018-03-21 | 財團法人金屬工業研究發展中心 | Cooling device of casting mold |
| CN107008858A (en) * | 2017-04-18 | 2017-08-04 | 十堰知名实业发展有限公司 | A kind of high frequency microseism vacuum-assist pouring technology |
| CN112157223A (en) * | 2020-09-25 | 2021-01-01 | 深圳市万泽中南研究院有限公司 | Directional solidification casting method and pouring system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072180A (en) * | 1975-02-22 | 1978-02-07 | W. H. Booth & Co. Limited | Process and mould for casting multiple articles |
| CN1139029A (en) * | 1994-12-20 | 1997-01-01 | 薛友松 | Mill ball casting equipment |
-
2009
- 2009-08-13 CN CN 200910063590 patent/CN101623745B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072180A (en) * | 1975-02-22 | 1978-02-07 | W. H. Booth & Co. Limited | Process and mould for casting multiple articles |
| CN1139029A (en) * | 1994-12-20 | 1997-01-01 | 薛友松 | Mill ball casting equipment |
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| CN101623745A (en) | 2010-01-13 |
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Denomination of invention: Process Method for Series Casting of Multiple Parts in a Box with Lost Foam Mold Effective date of registration: 20230822 Granted publication date: 20130313 Pledgee: Wudang Mountains Rural Commercial Bank Co.,Ltd. Pledgor: SHIYAN ZHIMING INDUSTRIAL & DEVELOPMENT Co.,Ltd. Registration number: Y2023980052948 |