CN214263814U - Impact basin for die casting - Google Patents
Impact basin for die casting Download PDFInfo
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- CN214263814U CN214263814U CN202022460442.8U CN202022460442U CN214263814U CN 214263814 U CN214263814 U CN 214263814U CN 202022460442 U CN202022460442 U CN 202022460442U CN 214263814 U CN214263814 U CN 214263814U
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Abstract
The utility model discloses a die casting is with strikeing basin, this impact basin uses when the die casting end is annotated, and its buffering region can cushion the molten steel that central pipe got off, can improve die casting pouring in-process molten steel and splash, reduces the inspiratory harm of molten steel. The liquid level stability of the molten steel is improved through the design of the inner cavity slag dam, and the risk of slag entrapment of the molten steel is reduced; meanwhile, the slag overflow port is designed on the upper edge, so that the risk of steel overflowing caused by misoperation is prevented, the operating environment is improved, and the safety risk is reduced. Meanwhile, as the explosion-proof fiber and the alumina micropowder are added into the material for preparing the impact basin, the impact basin can generate better thermal shock resistance, does not need on-line baking, can be directly contacted with molten steel for use, is convenient for on-site operation and reduces the safety risk; meanwhile, the material is baked at high temperature during preparation, so that the water content of the material is effectively reduced, and the risks of explosion and hydrogen increase of molten steel in the using process caused by water are prevented.
Description
Technical Field
The utility model relates to a die casting equipment, concretely relates to die casting is with strikeing basin.
Background
The die casting bottom pouring method refers to a casting method that molten steel passes through a central conduit, passes through a runner brick and then is poured into a die from the bottom of an ingot die upwards. In the casting process, molten steel is seriously sucked to cause secondary oxidation of the molten steel, and molten steel splashing seriously scours refractory materials to easily cause impurities.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome prior art's defect, the utility model provides a die casting is with strikeing basin, should strikeing the basin and can improve die casting process molten steel liquid level stability, improve die casting protection pouring leakproofness, guarantee molten steel pureness degree.
The technical scheme is as follows: the utility model discloses an impact basin for die casting, which comprises a body and a slag blocking dam, wherein the body is provided with a basin-shaped inner cavity, the slag blocking dam is arranged at the bottom of the inner cavity and divides the inner cavity into a buffer area and a tapping area; the upper edge of the side wall of the body of the buffer area is provided with a slag overflow hole, and the bottom of the body of the tapping area is provided with a molten steel outlet.
The preparation method of the impact basin for die casting comprises the following steps:
(1) uniformly mixing the following components in percentage by mass, and casting for molding: 80-60% of alumina, 20-30% of mullite, 5-10% of calcium silicate cement, 2-5% of explosion-proof fiber and 2-5% of alumina micro powder;
(2) demolding for 24-36 hours, and then curing for 48-72 hours;
(3) baking at 300 + -5 deg.C for more than 24 hr;
(4) baking at 600 + -5 deg.C for more than 24 hr.
Has the advantages that: compared with the prior art, the impact basin is used during die casting bottom pouring, the buffer area can buffer the molten steel falling from the central guide pipe, molten steel splashing in the die casting pouring process can be improved, and the harm of molten steel suction is reduced. The liquid level stability of the molten steel is improved through the design of the inner cavity slag dam, and the risk of slag entrapment of the molten steel is reduced; meanwhile, the slag overflow port is designed on the upper edge, so that the risk of steel overflowing caused by misoperation is prevented, the operating environment is improved, and the safety risk is reduced. Meanwhile, as the explosion-proof fiber and the alumina micropowder are added into the material for preparing the impact basin, the impact basin can generate better thermal shock resistance, does not need on-line baking, can be directly contacted with molten steel for use, is convenient for on-site operation and reduces the safety risk; meanwhile, the material is baked at high temperature during preparation, so that the water content of the material is effectively reduced, and the risks of explosion and hydrogen increase of molten steel in the using process caused by water are prevented. Mechanical properties of the impact basin: room temperature compressive strength (240 ℃ C.. times.3 h): not less than 50MPa, breaking strength (1500 ℃ multiplied by 3 h): not less than 10 MPa.
Drawings
FIG. 1 is a top view of an impingement basin for molding;
FIG. 2 is a perspective view of the impact basin of FIG. 1 in the direction A;
fig. 3 is a perspective view of the impact basin for molding in fig. 1 in the direction B.
Detailed Description
As shown in fig. 1 to 3, an impact basin for die casting has a body 1 having a basin-shaped inner cavity 3 with a substantially rectangular bottom, and a dam 2 disposed at the bottom of the inner cavity 3 at a position intermediate the long sides of the rectangular bottom and dividing the inner cavity 3 into a buffer area and a tapping area.
The side wall of the body 1 is gradually inclined outwards from bottom to top, wherein the upper edge of the side wall of the body 1 of the buffer area is provided with a slag overflow port 4. The bottom of the body 1 of the tapping area is provided with a molten steel outlet 5, and the molten steel outlet 5 is arranged at the middle position of the bottom of the body 1 of the tapping area.
Impact pot making material in example 1: 80% of alumina 60%, 22% of mullite, 10% of calcium silicate cement, 3% of explosion-proof fiber and 5% of alumina micro powder; the manufacturing process comprises the following steps: casting molding → 24h demoulding → curing for 48h → baking in a heating furnace at 300 ℃ for 24h → baking in a heating furnace at 600 ℃ for 24 h.
The detection proves that the normal-temperature compressive strength (240 ℃ multiplied by 3h) of the material is as follows: 55MPa, breaking strength (1500 ℃ multiplied by 3 h): 12 MPa. And the impact basin has better thermal shock resistance, does not need on-line baking, can be directly contacted with molten steel for use, is convenient for field operation, and reduces the safety risk.
Impact pot making material in example 2: 80% of alumina, 30% of mullite, 10% of calcium silicate cement, 5% of explosion-proof fiber and 5% of alumina micro powder; the manufacturing process comprises the following steps: casting molding → 29h demoulding → curing for 72h → baking in a heating furnace for 300 ℃ multiplied by 26h → baking in a heating furnace for 600 ℃ multiplied by 28 h.
The detection proves that the normal-temperature compressive strength (240 ℃ multiplied by 3h) of the material is as follows: 53MPa, breaking strength (1500 ℃ multiplied by 3 h): 14 MPa.
Impact pot making material in example 3: 80% of alumina 60%, 20% of mullite, 10% of calcium silicate cement, 5% of explosion-proof fiber and 5% of alumina micro powder; the manufacturing process comprises the following steps: casting molding → 36h demoulding → curing for 60h → baking in a heating furnace at 300 ℃ for 24h → baking in a heating furnace at 600 ℃ for 24 h.
The detection proves that the normal-temperature compressive strength (240 ℃ multiplied by 3h) of the material is as follows: 56MPa, breaking strength (1500 ℃ multiplied by 3 h): 13 MPa.
Impact pot making material in example 4: 80% of alumina 60%, 30% of mullite, 5% of calcium silicate cement, 2% of explosion-proof fiber and 3% of alumina micro powder; the manufacturing process comprises the following steps: casting molding → 30h demoulding → curing for 66h → baking by a heating furnace for 300 ℃ multiplied by 25h → baking by a heating furnace for 600 ℃ multiplied by 27 h.
The detection proves that the normal-temperature compressive strength (240 ℃ multiplied by 3h) of the material is as follows: 52MPa, breaking strength (1500 ℃ multiplied by 3 h): 11 MPa.
Impact pot making material in example 5: 80% of alumina 57%, 30% of mullite, 9% of calcium silicate cement, 2% of explosion-proof fiber and 2% of alumina micro powder; the manufacturing process comprises the following steps: casting molding → 24h demoulding → curing for 53h → baking in a heating furnace for 300 ℃ multiplied by 24h → baking in a heating furnace for 600 ℃ multiplied by 26 h.
The detection proves that the normal-temperature compressive strength (240 ℃ multiplied by 3h) of the material is as follows: 53MPa, breaking strength (1500 ℃ multiplied by 3 h): 14 MPa.
Claims (5)
1. The impact basin for die casting is characterized by comprising a body (1) and a slag blocking dam (2), wherein the body (1) is provided with a basin-shaped inner cavity (3), the slag blocking dam (2) is arranged at the bottom of the inner cavity (3) and divides the inner cavity (3) into a buffer area and a tapping area; the upper edge of the side wall of the body (1) of the buffer area is provided with a slag overflow port (4), and the bottom of the body (1) of the tapping area is provided with a molten steel outlet (5).
2. The impact basin for die casting according to claim 1, characterized in that the dam (2) is arranged in a middle position of the bottom of the body (1).
3. The impact basin for die casting according to claim 1, characterized in that the bottom of the body (1) is rectangular and the dam (2) is arranged in the middle of the long side of the rectangle.
4. The impact basin for die casting according to claim 1, characterized in that the side wall of the body (1) is gradually inclined outward from bottom to top.
5. Impact basin for die casting according to claim 2 or 3, characterized in that the molten steel outlet (5) is placed in the tapping area at a position intermediate the bottom of the body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022460442.8U CN214263814U (en) | 2020-10-29 | 2020-10-29 | Impact basin for die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022460442.8U CN214263814U (en) | 2020-10-29 | 2020-10-29 | Impact basin for die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214263814U true CN214263814U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022460442.8U Active CN214263814U (en) | 2020-10-29 | 2020-10-29 | Impact basin for die casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157228A (en) * | 2020-10-29 | 2021-01-01 | 南京钢铁股份有限公司 | Impact basin for die casting and preparation method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157228A (en) * | 2020-10-29 | 2021-01-01 | 南京钢铁股份有限公司 | Impact basin for die casting and preparation method thereof |
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