CN211101475U - Ingot mold for casting large ingot ratio - Google Patents
Ingot mold for casting large ingot ratio Download PDFInfo
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- CN211101475U CN211101475U CN201922212903.7U CN201922212903U CN211101475U CN 211101475 U CN211101475 U CN 211101475U CN 201922212903 U CN201922212903 U CN 201922212903U CN 211101475 U CN211101475 U CN 211101475U
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Abstract
The utility model discloses a mould ingot mould for casting big mould ingot ratio, including die cavity, mould wall, the tangent plane of mould wall be the U-shaped, the bottom plate of mould wall arranged a plurality of cast holes, the die cavity is the well kenozooecium of mould wall, the volume ratio of mould and mould ingot be greater than 2, the length to height ratio of mould be greater than 2.5. The ingot mould can improve the solidification quality and avoid serious metallurgical defects such as steel ingot center looseness, shrinkage cavity and the like.
Description
Technical Field
The utility model relates to a mould ingot steel casting mould specifically is a mould ingot mould that is used for casting big mould ingot ratio.
Background
The steel ingot mould is a steel ingot containing crystallization solidification device for casting a die-cast steel ingot, and is a crystallization container for casting qualified molten steel into the steel ingot, the steel ingot mould is divided into three types of large, medium and small according to the weight of the cast steel ingot, and the volume size and the cap capacity of the inner cavity of the steel ingot mould directly determine the weight of the steel ingot and also determine the specification of a thick plate; the thickness, height, mold body taper and ingot mold ratio of the ingot mold are main factors influencing the quality of the steel ingot. Therefore, in order to ensure the quality of steel ingots, strict requirements are imposed on the height and width ratio of the ingot mould and the relevant technical parameters such as the conicity of the mould body.
The mold-ingot ratio of the traditional mold-ingot steel casting mold is generally less than 1.2, and the width-thickness ratio is generally less than 1.6, and the mold-ingot steel casting mold has the defects of loose center, shrinkage cavity, segregation and other metallurgical defects in the steel ingot due to small heat capacity, poor heat dissipation condition and overlong solidification time of molten steel in the mold, thereby seriously affecting the quality of the steel ingot.
SUMMERY OF THE UTILITY MODEL
Technical problem to prior art existence, the utility model aims at providing a mould ingot mould for casting big mould ingot ratio, this mould ingot mould can improve and solidify the quality, can stop serious metallurgical defects such as loose and shrinkage cavity in steel ingot center.
The utility model discloses specifically realize through following technical scheme:
a mould ingot casting mould for casting a large mould ingot ratio comprises a mould cavity and a mould wall, wherein the tangent plane of the mould wall is U-shaped, a plurality of casting holes are arranged on a bottom plate of the mould wall, the mould cavity is a hollow part of the mould wall, the volume ratio of the casting mould to the mould ingot is more than 2, and the length-height ratio of the casting mould is more than 2.5.
The height of the cross section of the ingot mold is 250-500 mm, and the length and the height of the ingot mold are 600-1200 mm.
Lifting lugs are fixedly arranged on two sides of the mold wall.
The utility model has the advantages that:
1) the large width-thickness ratio of the ingot mold greatly increases the specific surface area of the steel ingot, so that the heat transfer area of the steel ingot is greatly increased, the cooling speed of molten steel is greatly increased, and the solidification quality is fundamentally improved;
2) the steel ingot with large mold-ingot ratio has the advantages that the weight of the steel ingot is multiplied compared with that of other steel ingot molds with the same weight, the total heat storage capacity of the steel ingot mold is greatly increased, the temperature rising speed of the steel ingot mold is much slower than that of the conventional steel ingot mold, and a higher temperature gradient can be kept between the molten steel and the steel ingot mold for a longer time in the pouring and solidifying processes, so that the molten steel can obtain continuous solidifying power, the nucleation rate of the liquid phase side of a solid-liquid interface is high, the crystallization speed is high, and crystal grains are fine and compact.
3) The distance between the center of the steel ingot and the ingot mold of the wide-width mold ingot with large width-thickness ratio is reduced by more than 30 percent compared with the conventional ingot mold, the solidification condition of the center part can obtain stronger solidification power, and serious metallurgical defects such as steel ingot center looseness, shrinkage cavity and the like can be avoided.
Drawings
FIG. 1 is a schematic view of an ingot mold according to the present invention;
FIG. 2 is a schematic cross-sectional view of an ingot mold according to the present invention;
in the figure: 1. the die comprises a die wall, 2, a die cavity, 3, lifting lugs, 4, a bottom plate, 5 and a casting hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely below with reference to specific embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the ingot mold for casting the large ingot ratio comprises a mold cavity 2 and a mold wall 1, wherein the longitudinal section of the mold wall 1 is of a U-shaped structure, a plurality of casting holes 5 are arranged on a bottom plate 4 of the mold wall 1, the mold cavity 2 is a hollow part of the mold wall 1, and lifting lugs 3 are fixedly arranged on two sides of the mold wall 1. Wherein, the volume ratio of the ingot mold to the ingot mold is more than 2, namely the volume ratio of the ingot mold to the mold cavity 2 is more than 2. The length to height ratio of the ingot mold is greater than 2.5.
Preferably, the height dimension of the cross section of the ingot mold is 250-500 mm, and the length dimension of the ingot mold is 600-1200 mm.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these examples without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A mould ingot casting mould for casting a large mould ingot ratio comprises a mould cavity (2) and a mould wall (1), wherein the section of the mould wall (1) is U-shaped, a plurality of casting holes (5) are arranged on a bottom plate (4) of the mould wall (1), and the mould cavity (2) is a hollow part of the mould wall (1), and is characterized in that the volume ratio of the casting mould to the mould ingot is more than 2, and the length-height ratio of the casting mould is more than 2.5.
2. A ingot mould according to claim 1, wherein the cross-section of the ingot mould has a height dimension of 250-500 mm and the length dimension of the ingot mould is 600-1200 mm.
3. An ingot mould for casting large ingot ratios according to claim 1, characterized in that the mould wall (1) is provided with lifting lugs (3) on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212903.7U CN211101475U (en) | 2019-12-11 | 2019-12-11 | Ingot mold for casting large ingot ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212903.7U CN211101475U (en) | 2019-12-11 | 2019-12-11 | Ingot mold for casting large ingot ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211101475U true CN211101475U (en) | 2020-07-28 |
Family
ID=71694796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922212903.7U Active CN211101475U (en) | 2019-12-11 | 2019-12-11 | Ingot mold for casting large ingot ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211101475U (en) |
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2019
- 2019-12-11 CN CN201922212903.7U patent/CN211101475U/en active Active
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