CN104815962A - Molten iron filtering apparatus for casting - Google Patents
Molten iron filtering apparatus for casting Download PDFInfo
- Publication number
- CN104815962A CN104815962A CN201510142946.6A CN201510142946A CN104815962A CN 104815962 A CN104815962 A CN 104815962A CN 201510142946 A CN201510142946 A CN 201510142946A CN 104815962 A CN104815962 A CN 104815962A
- Authority
- CN
- China
- Prior art keywords
- ceramic filter
- filter seat
- seat
- screen pack
- filter screen
- 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
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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
- B22C9/086—Filters
Abstract
The invention relates to a molten iron filtering apparatus for casting. The apparatus comprises a ceramic filter seat, the ceramic filter seat is provided with an inlet end, an outlet end and an inner cavity pipeline, a filter screen is obliquely arranged in the inner cavity pipeline of the ceramic filtering seat at an angle of 30-60DEG to the horizontal, the inner wall of the inner cavity pipeline is provided with an inner step for fixing the filter screen, the internal opening of the inlet end is rectangular, the internal opening of the outlet end is circular, and the caliber dimension of the internal opening of the inlet end of the ceramic filter seat is greater than the dimension of the maximum outer rim of the filter screen in order to conveniently put the filter screen in the inner cavity pipeline of the ceramic filter seat from the internal opening of the inlet end. The filter screen is obliquely arranged in the filter seat at a certain angle, so the internal space of a casting system is effectively utilized; and when molten iron flows through the ceramic filter seat, the obliquely arranged filter screen improves the filtering area, light molten slag and impurities in the molten iron upward float in the upper portion space of the filter screen, and the lower portion filter screen still can filter the molten iron to realizes the slag prevention effect of the filter screen.
Description
Technical field
The present invention relates to casting technology field, particularly a kind of foundry cast iron water filtering device.
Background technology
Resin sand nodular iron casting is produced, because spheroidal graphite material is oxidizable and welding performance is poor, foundry goods easily produces slag inclusion burning into sand defect, causes casting wasted product rate high, increase casting cost.For this problem, adopt in prior art, in running gate system, screen pack is set so that molten iron filters out slag and impurity before entering die cavity.For smallclothes, screen pack is directly positioned in cross gate, the cross gate after the method can not solve and interior slag and the impurity watering formation; For large part due to filter screen filtration capability problems, need to be arranged in ingate.The laying method of general screen pack has two kinds, one is overlap between cross gate and ingate, two is use filter directly to imbed sand mold when moulding, the low or complicated operation of above method Existential Space utilization rate, and the impurity entered in filter such as cannot to clear up at the problem.
Summary of the invention
The present invention is directed to system for casting and pouring contaminant filter Problems existing in prior art, provide a kind of structure simple, cleaning convenient casting running channel molten iron filter, to improve the quality of the molten iron entering die cavity, improves casting quality, reduces casting cost.
The object of the present invention is achieved like this, a kind of foundry cast iron water filtering device, comprise ceramic filter seat, described ceramic filter seat is provided with entrance point, the port of export and intracavity pipeline, the intracavity pipeline of described ceramic filter seat is tilted is provided with the screen pack becoming 30 °--60 ° with level, the inwall of described intracavity pipeline is provided with for step in fixing screen pack, the internal orifice of described entrance point is rectangle, the internal orifice of the described port of export is circular, the internal orifice caliber size of described ceramic filter seat entrance point is greater than the maximum physical dimension of screen pack, so that screen pack puts into the intracavity pipeline of ceramics seat from the internal orifice of entrance point.
Filter of the present invention, by screen pack with certain angle in the tilted setting of filtering base, effectively can utilize the inner space of running gate system, when molten iron flows through ceramic filter seat, the screen pack be obliquely installed can improve filter area, and when screen pack is installed, only screen pack need be overlapped on step surface in intracavity pipeline, in filter process, screen pack can be overlapped on stably on interior step surface under the effect of molten iron gravity and impact flow power, in molten iron lighter molten look into impurity can on float over the upper space of screen pack, even if slag and impurity more, the Lower Half of screen pack is cleaner, still molten iron can be filtered, improve the filter capacity of screen pack, give full play to the pushing off the slag effect of screen pack.
For improving the quality of the rear molten iron of this filtration further, described ceramic filter seat is arranged between cross gate and ingate, the end face of described ceramic filter seat entrance point is concordant with the upper edge of cross gate, the entrance point of described ceramic filter seat is communicated with by the transition conduit overlapped with cross gate upper limb, the port of export of described ceramics seat is communicated with ingate, and described ingate is earthenware ingate.In this structure, filter is arranged between cross gate and ingate, and be communicated with the transition conduit of filtering base entrance point by exceeding cross gate, during cast, high temperature liquid iron is when cross gate end upwards flows into transition conduit, slag lighter in molten iron and impurity portion are adsorbed on the roof of cross gate end, reduce the impurity content entering molten iron in filter, thus can prevent screen pack from blocking further, and area of passage is large after the rectangular inlet end of ceramic filter seat and transition conduit overlap and be communicated with, size Control is simple, accurate positioning; The round exit end of ceramic filter seat is convenient to be connected with the earthenware ingate of similar shape, and improves versatility, easily realizes standardized production and management.
For improving the steadiness of screen pack in filtering base further, described screen pack is setting at 45 ° with level in the intracavity pipeline of ceramic filter seat.Molten iron is through screen pack, and under the effect of molten iron gravity and dirty impulse force, screen pack can lead solid being overlapped on the interior step surface of ceramics seat intracavity pipeline, prevents molten iron from screen pack punching being turned over.
Accompanying drawing explanation
Fig. 1 is the structural representation of foundry cast iron water filtering device of the present invention.
Fig. 2 is A-A sectional view of Fig. 1.
Fig. 3 is foundry cast iron water filtering device scheme of installation of the present invention.
Wherein, 1 ceramic filter seat; 1a entrance point; The 1b port of export; 2 screen packs 2; 3 cross gates; 4 transition conduit; 5 ingates.
Detailed description of the invention
As Fig. 1, Fig. 2 and Figure 3 shows that casting running channel molten iron filter of the present invention, comprise ceramic filter seat 1, ceramic filter seat 1 is provided with entrance point 1a, port of export 1b and intracavity pipeline, the intracavity pipeline of ceramic filter seat 1 is tilted is provided with the screen pack 2 becoming 30 °--60 ° with level, in the present embodiment, the angle of concrete setting is 45 °, but be not limited thereto angle, the inwall of intracavity pipeline is provided with for step in fixing screen pack 2, the internal orifice of entrance point 1a is rectangle, the internal orifice of the port of export is circular, the internal orifice caliber size of ceramic filter seat 1 entrance point is greater than the maximum physical dimension of screen pack 2, so that screen pack 2 puts into the intracavity pipeline of ceramic filter seat 1 from the internal orifice of entrance point.
For improving the quality of the rear molten iron of this filtration further, ceramic filter seat 1 is arranged between cross gate 3 and ingate 5, the end face of ceramic filter seat 1 entrance point is concordant with the upper edge of cross gate 3, the entrance point 1a of ceramic filter seat is communicated with by the transition conduit 4 overlapped with cross gate 3 upper limb, the port of export 1b of ceramic filter seat 1 is communicated with ingate 5, and ingate 5 is earthenware ingate.In this structure, filter is arranged between cross gate 3 and ingate 5, and be communicated with the transition conduit 4 of ceramic filter seat entrance point 1a by exceeding cross gate 3, during cast, high temperature liquid iron is when cross gate end upwards flows into transition conduit 4, slag lighter in molten iron and impurity portion are adsorbed on the roof of cross gate end, reduce the impurity content entering molten iron in filter, thus can prevent screen pack 2 from blocking further, and area of passage is large after the rectangular inlet end of ceramic filter seat 1 and transition conduit 4 overlap and be communicated with, size Control is simple, accurate positioning; The round exit end of ceramic filter seat 1 is convenient to be connected with the earthenware ingate of similar shape, and improves versatility, easily realizes standardized production and management.
Filter of the present invention, by screen pack 2 with certain angle in the tilted setting of ceramic filter seat 1, effectively can utilize the inner space of running gate system, when molten iron flows through ceramic filter seat 1, the screen pack 2 be obliquely installed can improve filter area, and when screen pack is installed, only screen pack 2 need be overlapped on step surface in intracavity pipeline, in filter process, screen pack 2 can be overlapped on stably on interior step surface under the effect of molten iron gravity and impact flow power, in molten iron lighter molten look into impurity can on float over the upper space of screen pack 2, even if slag and impurity more, the Lower Half of screen pack 2 is cleaner, still molten iron can be filtered, give full play to the pushing off the slag effect of screen pack.This invention filter, takies sand mold space little, and placer iron is than low, and foam ceramic filter refractoriness is high, and structure is simple, easy to use, improves operability, reliability of technology and yield rate, reduces casting cost.
Claims (3)
1. a foundry cast iron water filtering device, comprise ceramic filter seat, described ceramic filter seat is provided with entrance point, the port of export and intracavity pipeline, it is characterized in that, the intracavity pipeline of described ceramic filter seat is tilted is provided with the screen pack becoming 30 °--60 ° with level, the inwall of described intracavity pipeline is provided with for step in fixing screen pack, the internal orifice of described entrance point is rectangle, the internal orifice of the described port of export is circular, the internal orifice caliber size of described ceramic filter seat entrance point is greater than the maximum physical dimension of screen pack, so that screen pack puts into the intracavity pipeline of ceramic filter seat from the internal orifice of entrance point.
2. foundry cast iron water filtering device according to claim 1, it is characterized in that, described ceramic filter seat is arranged between cross gate and ingate, the end face of described ceramic filter seat entrance point is concordant with the upper edge of cross gate, the entrance point of described ceramic filter seat is communicated with by the transition conduit overlapped with cross gate upper limb, the port of export of described ceramic filter seat is communicated with ingate, and described ingate is earthenware ingate.
3. casting running channel molten iron filter according to claim 1, it is characterized in that, described screen pack is setting at 45 ° with level in the intracavity pipeline of ceramic filter seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142946.6A CN104815962A (en) | 2015-03-30 | 2015-03-30 | Molten iron filtering apparatus for casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142946.6A CN104815962A (en) | 2015-03-30 | 2015-03-30 | Molten iron filtering apparatus for casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104815962A true CN104815962A (en) | 2015-08-05 |
Family
ID=53726572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510142946.6A Pending CN104815962A (en) | 2015-03-30 | 2015-03-30 | Molten iron filtering apparatus for casting |
Country Status (1)
| Country | Link |
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| CN (1) | CN104815962A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770342A (en) * | 2021-08-12 | 2021-12-10 | 芜湖泓鹄材料技术有限公司 | Molten iron filtering device for pouring |
| CN114799074A (en) * | 2022-06-30 | 2022-07-29 | 邢台轧辊沃川装备制造有限公司 | Iron liquid prefiltering purifier |
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| US4919188A (en) * | 1988-06-14 | 1990-04-24 | Foseco International Limited | Mould and process for the production of nodular or compacted graphite iron castings |
| US6289969B1 (en) * | 1998-04-08 | 2001-09-18 | Foseco International Limited | Metal casting |
| CN102601309A (en) * | 2012-03-23 | 2012-07-25 | 日月重工股份有限公司 | Casting system of planet carrier casting of mining machinery |
| US20120227922A1 (en) * | 2009-04-01 | 2012-09-13 | Foseco International Limited | Mould for metal casting and method using same |
| CN103639361A (en) * | 2013-12-19 | 2014-03-19 | 泊头市东建铸造有限责任公司 | Full-mold casting method of resin sand without dead head |
| CN103736928A (en) * | 2014-01-17 | 2014-04-23 | 合肥工业大学 | Evanescent mode pouring system of speed changing box body |
| CN203621488U (en) * | 2014-01-02 | 2014-06-04 | 济南圣泉倍进陶瓷过滤器有限公司 | Pouring cup integrating filter |
| CN203751245U (en) * | 2014-02-24 | 2014-08-06 | 安庆中船柴油机有限公司 | Pouring gate structure capable of effectively improving stopped slag of casting |
| CN104028698A (en) * | 2014-06-04 | 2014-09-10 | 济南圣泉倍进陶瓷过滤器有限公司 | Ceramic shell filtering device integrated with filters |
| CN204075076U (en) * | 2014-09-28 | 2015-01-07 | 河南科技大学 | A kind of magnesium alloy cast cup |
-
2015
- 2015-03-30 CN CN201510142946.6A patent/CN104815962A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112997A (en) * | 1977-02-28 | 1978-09-12 | Hitchiner Manufacturing Co., Inc. | Metal casting |
| US4919188A (en) * | 1988-06-14 | 1990-04-24 | Foseco International Limited | Mould and process for the production of nodular or compacted graphite iron castings |
| US6289969B1 (en) * | 1998-04-08 | 2001-09-18 | Foseco International Limited | Metal casting |
| US20120227922A1 (en) * | 2009-04-01 | 2012-09-13 | Foseco International Limited | Mould for metal casting and method using same |
| CN102601309A (en) * | 2012-03-23 | 2012-07-25 | 日月重工股份有限公司 | Casting system of planet carrier casting of mining machinery |
| CN103639361A (en) * | 2013-12-19 | 2014-03-19 | 泊头市东建铸造有限责任公司 | Full-mold casting method of resin sand without dead head |
| CN203621488U (en) * | 2014-01-02 | 2014-06-04 | 济南圣泉倍进陶瓷过滤器有限公司 | Pouring cup integrating filter |
| CN103736928A (en) * | 2014-01-17 | 2014-04-23 | 合肥工业大学 | Evanescent mode pouring system of speed changing box body |
| CN203751245U (en) * | 2014-02-24 | 2014-08-06 | 安庆中船柴油机有限公司 | Pouring gate structure capable of effectively improving stopped slag of casting |
| CN104028698A (en) * | 2014-06-04 | 2014-09-10 | 济南圣泉倍进陶瓷过滤器有限公司 | Ceramic shell filtering device integrated with filters |
| CN204075076U (en) * | 2014-09-28 | 2015-01-07 | 河南科技大学 | A kind of magnesium alloy cast cup |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770342A (en) * | 2021-08-12 | 2021-12-10 | 芜湖泓鹄材料技术有限公司 | Molten iron filtering device for pouring |
| CN114799074A (en) * | 2022-06-30 | 2022-07-29 | 邢台轧辊沃川装备制造有限公司 | Iron liquid prefiltering purifier |
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Application publication date: 20150805 |
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