CN112024826A - Anti-siphon pouring basin and manufacturing method and using method thereof - Google Patents
Anti-siphon pouring basin and manufacturing method and using method thereof Download PDFInfo
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- CN112024826A CN112024826A CN202010865283.1A CN202010865283A CN112024826A CN 112024826 A CN112024826 A CN 112024826A CN 202010865283 A CN202010865283 A CN 202010865283A CN 112024826 A CN112024826 A CN 112024826A
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- siphon
- pouring
- pouring basin
- basin
- dam
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- 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
- B22C9/082—Sprues, pouring cups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a pouring basin, provides an anti-siphon pouring basin and a manufacturing and using method thereof, and overcomes the quality defects of casting slag inclusion, air holes and the like caused by easy siphon of the pouring basin, wherein the anti-siphon pouring basin comprises a pouring basin sand box, a pouring plug, a pouring basin molten metal containing chamber, a straight pouring pit and an anti-siphon dam; the anti-siphon pouring basin is characterized in that a pouring basin sand box is arranged on the outermost layer of the anti-siphon pouring basin, a pouring basin molten metal containing chamber is arranged inside the anti-siphon pouring basin sand box, a direct-pouring runner pit is arranged at the bottom of the pouring basin sand box, and an anti-siphon dam is connected to the direct-pouring runner pit. The anti-siphon pouring basin has the advantages that no siphon phenomenon exists in the pouring process of the pouring basin, vortex is prevented from being generated, the condition that the product is clamped with slag and air is entrained, the defect of slag-air holes is reduced, the phenomenon that air, scum and slag enter a cavity is reduced, the guarantee of molten iron quality is facilitated, and the product quality of a casting is improved. Meanwhile, the manufacturing method is simple, reliable and effective and low in manufacturing cost.
Description
Technical Field
The invention relates to a pouring basin, in particular to an anti-siphon pouring basin and a manufacturing and using method thereof.
Background
The pouring basin is connected with the top end of the sprue channel and is used for receiving and guiding a container of molten metal, so that the molten metal flows into the sprue channel after reaching a proper pouring speed. The pouring basin is the throat part of the whole pouring process, the quality of the pouring basin has important influence on the quality of the casting, and for the traditional production method, the pouring basin is mostly conical or basin-shaped, so that the siphon effect is easy to occur, the defect of slag entrainment caused by air entrainment is caused, and the defect of slag inclusion and air holes of the casting is caused.
Disclosure of Invention
The invention overcomes the quality defects of slag inclusion, air holes and the like of a casting caused by easy siphoning of the pouring basin, provides the anti-siphoning pouring basin and the manufacturing and using method thereof, has simple operation, realizes no siphoning phenomenon in the pouring process of the pouring basin, prevents the generation of vortex, reduces the slag inclusion and air entrainment of products, reduces the defect of slag inclusion and air holes, reduces the entrainment, scum and slag entering a cavity, is beneficial to ensuring the quality of molten iron, and improves the product quality of the casting.
An anti-siphon pouring basin comprises a pouring basin sand box, a pouring plug, a pouring basin molten metal containing chamber, a direct pouring channel pit and an anti-siphon dam.
The outermost runner basin sand box that is of anti-siphon runner basin, runner basin sand box are the cavity box, form runner basin metal liquid containing chamber in the runner basin, and runner basin sand box bottom is provided with the direct runner nest, is connected with anti-siphon dam on the direct runner nest.
Furthermore, the pouring basin sand box can be formed by welding or casting a steel plate, and a hanging handle is designed on the outer wall of the pouring basin sand box.
Furthermore, the anti-siphon dam is formed by firing refractory materials, and the size of the anti-siphon dam is as follows: the height is 1.5-2 times of the diameter of the sprue; the width is 1.0-1.5 times of the diameter of the sprue and the thickness is 0.5-0.8 times of the diameter of the sprue.
Further, the straight pouring gate pit is made of refractory materials, and the diameter of the straight pouring gate pit is 20-40mm larger than that of the straight pouring gate.
A manufacturing method of an anti-siphon pouring basin comprises the following steps:
an anti-siphon pouring basin mold is designed in advance, the shape of the mold is consistent with that of a pouring basin accommodating chamber, an anti-siphon dam positioning hole is reserved in the mold and used for placing refractory materials for forming an anti-siphon dam, and a 2-3mm gap is formed in one side of the anti-siphon dam positioning hole, so that the refractory materials for the anti-siphon dam can be conveniently placed in the anti-siphon dam positioning hole;
manufacturing a designed mould, placing the mould in a proper position in a sand box, placing the anti-siphon dam refractory material in an anti-siphon dam positioning hole, placing a direct-pouring runner material, filling mixed resin sand into a gap space between the sand box and the mould, and continuously vibrating to ensure filling compactness;
after the resin is hardened, separating a pouring basin sand mold formed by the resin sand from the mold;
coating high-temperature-resistant coating on the side wall of the inner cavity of the sprue basin containing chamber, and coating the mold cavity for 2 times, namely 1 time of permeable coating and 1 time of coating hanging coating;
the whole anti-siphon sprue basin sand box can be used after being placed and naturally hardened for more than 24 hours.
An anti-siphon pouring basin, the use method comprises the following steps:
when a casting is molded, the sprue is led to the upper surface of the box and is fully compacted, so that the strength of molding sand is ensured;
when the mould is closed, a circle of refractory material is placed on the upper surface of the casting mould within the range of 50-100mm along the outer side of the sprue, then the anti-siphon pouring basin is placed to ensure that the center of a straight pouring way pit on the anti-siphon pouring basin is aligned with the center of the sprue, and then a pouring gate plug is placed in the straight pouring way pit for sealing, so that molten metal cannot enter the casting mould in advance;
and (3) pouring after the casting liquid is smelted to be qualified, plugging and pulling up the pouring gate after the casting liquid is poured to be above the water gap basin 2/3, and enabling the molten metal to enter the cavity through the sprue to finish the pouring of the casting.
An anti-siphon pouring basin is characterized in that an anti-siphon dam made of refractory materials is arranged in the pouring basin body and close to a direct pouring runner pit, siphon vortex is effectively prevented from being formed, the generation of siphon effect of the pouring basin is avoided, the defect of entrainment of air and slag is overcome in the pouring process, the defects of oxidation, air holes and slag inclusion of molten metal generated by the pouring basin in the pouring process are greatly reduced, and meanwhile, the manufacturing method is simple, reliable and effective, low in manufacturing cost and obvious in effect.
Drawings
FIG. 1: anti-siphon pouring basin structure schematic diagram
FIG. 2: anti-siphon pouring basin length direction cross-sectional view
FIG. 3 is a cross-sectional view of an anti-siphon runner tub in the width direction
FIG. 4 is a schematic view showing the molding process of the anti-siphon runner basin
FIG. 5 is a schematic view showing a pouring state of an anti-siphon runner basin
Wherein, 1-pouring basin sand box; 2-resin sand; 3-anti-siphon dam; 4-direct pouring the pit; 5-anti-siphon pouring basin mold; 6-a pouring basin molten metal containing chamber; 7-anti-siphon dam positioning hole; 8-sand molding; 9-casting; 10-straight pouring channel; 11-sprue blocking.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the present invention is further described in detail with reference to the following specific examples. Note that the following described embodiments are illustrative only for explaining the present invention, and are not to be construed as limiting the present invention.
In order to better embody the technical features and advantages of the present invention, the present invention will be further described in detail with reference to specific embodiments. Note that the following described embodiments are illustrative only for explaining the present invention, and are not to be construed as limiting the present invention.
The first embodiment is as follows:
an anti-siphon pouring basin, as shown in figures 1-3, comprises a pouring basin sand box 1, a pouring basin molten metal containing chamber 6, a pouring plug 11, a straight pouring channel pit 4 and an anti-siphon dam 3.
The outermost layer of the anti-siphon pouring basin is a pouring basin sand box 1, the pouring basin sand box 1 is a hollow box body, a pouring basin metal liquid containing chamber 6 is formed in the basin, and a straight pouring channel pit 4 is arranged at the bottom of the pouring basin sand box 1 and an anti-siphon dam 3 is connected to the upper portion of the pouring basin sand box.
Further, the pouring basin sand box 1 is formed by casting, and hanging handles are designed on the left outer wall and the right outer wall of the pouring basin sand box 1.
Furthermore, the anti-siphon dam is formed by firing refractory materials, and the size of the anti-siphon dam is as follows: the height is 1.5 times of the diameter of the sprue; the width is 1.0 times of the diameter of the sprue and the thickness is 0.5 times of the diameter of the sprue.
Furthermore, the straight pouring gate nest 4 is formed by placing a refractory porcelain pot when a pouring gate basin sand mold is manufactured, and the diameter of the straight pouring gate nest is 20mm larger than that of the straight pouring gate.
Example two:
a manufacturing method of an anti-siphon pouring basin comprises the following steps:
an anti-siphon pouring basin mold 5 is designed in advance, the shape of the anti-siphon pouring basin mold 5 is consistent with that of a pouring basin accommodating chamber 6, a siphon dam positioning hole 7 is reserved on the mold and used for placing a refractory material for forming an anti-siphon dam 3, and a 2mm gap is reserved at the siphon dam positioning hole 7, so that the refractory material for the fire-resistant anti-siphon dam can be conveniently placed;
the mould after the design is made, the pouring basin mould 5 is placed at a proper position in the sand box, and the direct-pouring channel pit fire-resistant porcelain pot and the fire-resistant anti-siphon dam are placed.
Filling the mixed resin sand 2 into a gap between the sand box and the mold, and continuously vibrating to ensure the filling compactness;
after the resin is hardened, separating a pouring basin sand box formed by the sand box and the resin sand from the mold; then coating high-temperature-resistant coating on the side wall of the inner cavity of the sprue basin accommodating chamber 6, and coating the coating on the cavity for 2 times, namely 1 time of permeable coating and 1 time of coating hanging coating;
the whole pouring basin sand box is placed and naturally hardened for more than 24 hours to be used.
Example three:
an anti-siphon pouring basin, the using method comprises the following steps:
when a casting is molded, the sprue 10 is led to the upper surface of the box and is fully compacted to ensure the strength of molding sand;
when the casting mold is closed, placing a circle of refractory mortar on the upper surface of the casting mold along a sprue, then placing a pouring basin to ensure that the center of a sprue pit 4 of the pouring basin is aligned with the center of the sprue, then placing a pouring plug 11 in the sprue pit 4, and sealing so that molten metal cannot enter the casting mold in advance;
and during pouring, pouring is started after the smelting of the pouring liquid is qualified, after the pouring liquid is poured to a position above the water gap basin 2/3, the pouring gate plug 11 is pulled out, and the molten metal enters the cavity through the sprue, so that the pouring of the casting is completed.
Claims (10)
1. An anti-siphon pouring basin is characterized by comprising a pouring basin sand box, a pouring plug, a pouring basin molten metal containing chamber, a straight pouring channel pit and an anti-siphon dam; the anti-siphon pouring basin is characterized in that a pouring basin sand box is arranged on the outermost layer of the anti-siphon pouring basin, a pouring basin molten metal containing chamber is arranged inside the anti-siphon pouring basin sand box, a direct-pouring runner pit is arranged at the bottom of the pouring basin sand box, and an anti-siphon dam is connected to the direct-pouring runner pit.
2. The anti-siphon runner pot according to claim 1, wherein the height of the anti-siphon dam is 1.5-2 times the diameter of the sprue.
3. The anti-siphon runner pot according to claim 1, wherein the width of the anti-siphon dam is 1.0 to 1.5 times the diameter of the sprue.
4. The anti-siphon runner pan of claim 1, wherein the thickness of the anti-siphon dam is 0.5-0.8 times the diameter of the sprue.
5. The anti-siphon runner pot according to claim 1, wherein the diameter of the sprue pocket is 20-40mm greater than the sprue diameter.
6. The anti-siphon runner pan of claim 1, wherein the anti-siphon dam and the sprue pocket are formed of a refractory material.
7. A manufacturing method of an anti-siphon pouring basin is characterized by comprising the following steps:
designing and manufacturing an anti-siphon pouring basin mold;
placing the mould in a sand box, and placing an anti-siphon dam and a direct-pouring channel pit;
filling resin sand into the gap between the mold and the sand box;
coating a high-temperature-resistant coating on the molten metal containing chamber of the pouring basin;
the runner pot is hardened.
8. The method of manufacturing an anti-siphon runner pot according to claim 7, wherein an anti-siphon dam positioning hole is reserved on the runner pot mold and a certain gap is provided at one side thereof.
9. The method of claim 7, wherein the high temperature resistant coating is divided into a permeable coating and a coating, and the permeable coating is applied first and the coating is applied second when the molten metal receiving cavity of the pouring basin is applied.
10. A using method of an anti-siphon pouring basin is characterized in that,
when the mould is closed, a circle of refractory material is placed on the upper surface of the casting mould within the range of 50-100mm along the outer side of the sprue;
placing an anti-siphon pouring basin, wherein the center of a straight pouring way nest of the pouring basin is aligned with the center of a straight pouring way;
a pouring gate plug is arranged in the direct-pouring channel pit;
and opening a gate plug for pouring after pouring the pouring liquid above the anti-siphon pouring basin 2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865283.1A CN112024826B (en) | 2020-08-26 | 2020-08-26 | Anti-siphon pouring basin and manufacturing method and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865283.1A CN112024826B (en) | 2020-08-26 | 2020-08-26 | Anti-siphon pouring basin and manufacturing method and using method thereof |
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| Publication Number | Publication Date |
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| CN112024826A true CN112024826A (en) | 2020-12-04 |
| CN112024826B CN112024826B (en) | 2022-07-08 |
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| CN202010865283.1A Active CN112024826B (en) | 2020-08-26 | 2020-08-26 | Anti-siphon pouring basin and manufacturing method and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059123A (en) * | 2021-03-25 | 2021-07-02 | 共享装备股份有限公司 | Pouring basin and manufacturing and using method thereof |
| CN114012038A (en) * | 2021-12-24 | 2022-02-08 | 宜宾普什联动科技有限公司 | Frameless sand pouring basin and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191051Y (en) * | 1994-03-15 | 1995-03-08 | 武汉钢铁(集团)公司 | Eddy control baffle for tapping hole in continuous casting |
| CN202571174U (en) * | 2012-03-14 | 2012-12-05 | 江苏卓润重工机械有限公司 | Quantification sprue basin unplugging device |
| CN106111906A (en) * | 2016-07-29 | 2016-11-16 | 共享装备股份有限公司 | Supercharging anti-slag absorbing pouring basin and preparation method thereof |
| CN107774913A (en) * | 2017-10-13 | 2018-03-09 | 共享装备股份有限公司 | Pouring basin and its manufacture method for sand mold |
| CN108907103A (en) * | 2018-08-17 | 2018-11-30 | 共享装备股份有限公司 | A kind of stepped pouring system pouring basin and its application method |
-
2020
- 2020-08-26 CN CN202010865283.1A patent/CN112024826B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191051Y (en) * | 1994-03-15 | 1995-03-08 | 武汉钢铁(集团)公司 | Eddy control baffle for tapping hole in continuous casting |
| CN202571174U (en) * | 2012-03-14 | 2012-12-05 | 江苏卓润重工机械有限公司 | Quantification sprue basin unplugging device |
| CN106111906A (en) * | 2016-07-29 | 2016-11-16 | 共享装备股份有限公司 | Supercharging anti-slag absorbing pouring basin and preparation method thereof |
| CN107774913A (en) * | 2017-10-13 | 2018-03-09 | 共享装备股份有限公司 | Pouring basin and its manufacture method for sand mold |
| CN108907103A (en) * | 2018-08-17 | 2018-11-30 | 共享装备股份有限公司 | A kind of stepped pouring system pouring basin and its application method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059123A (en) * | 2021-03-25 | 2021-07-02 | 共享装备股份有限公司 | Pouring basin and manufacturing and using method thereof |
| CN114012038A (en) * | 2021-12-24 | 2022-02-08 | 宜宾普什联动科技有限公司 | Frameless sand pouring basin and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN112024826B (en) | 2022-07-08 |
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