CN217452044U - Split type steel ingot casting mold - Google Patents
Split type steel ingot casting mold Download PDFInfo
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- CN217452044U CN217452044U CN202222182881.6U CN202222182881U CN217452044U CN 217452044 U CN217452044 U CN 217452044U CN 202222182881 U CN202222182881 U CN 202222182881U CN 217452044 U CN217452044 U CN 217452044U
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Abstract
The utility model relates to a steel ingot casting technical field, this application provides a split formula steel ingot casting die utensil, include: the die comprises a die body, a die body and a die body, wherein the die body is split along the vertical direction; the breather pipe is arranged outside the die body and communicated with the inside of the die body; the clamping ring is arranged outside the die body and used for connecting and fixing the die body. This application simple structure, reasonable in design can solve the shrinkage cavity of casting alloy in-process, loose problem, have reduced manufacturing cost, when promoting the foundry goods quality, also promote the technology yield, have reduced manufacturing cost.
Description
Technical Field
The utility model relates to a steel ingot casting technical field especially relates to a split formula steel ingot casting die utensil.
Background
In the process of casting large-size cast high-temperature alloy, heat-resistant steel and manganese-copper alloy, shrinkage cavities or looseness are easily formed in the central part of a large-size cast ingot due to the limitation of the fluidity of the alloy. The casting temperature has a large influence on shrinkage cavity and looseness of the central part of the large-size alloy ingot.
If the casting temperature is too high, the fluidity of the molten steel can be improved, and the shrinkage cavity and the loose size of the central part can be reduced. However, when the casting temperature is too high, the molten steel can be adhered to the inner surface of the die, so that the demolding is difficult, and the alloy ingot is usually required to be cut, so that the production efficiency is influenced; if the casting temperature is low, the fluidity of molten steel can be reduced, and the demolding of the alloy is facilitated. However, since the fluidity of the molten steel is lowered, a large-sized shrinkage cavity and porosity are formed in the central portion.
It is known that the cause of shrinkage cavities and porosity in the central part of the ingot is: in the process of solidifying the large-size steel ingot, along with the completion of casting of a steel ingot mould, the central position of the steel ingot cannot be supplemented with molten steel due to the weakened fluidity of the molten steel. At present, a heating riser is mainly arranged at the upper part of a steel ingot mould to improve the fluidity of molten steel, so that the upper part of a steel ingot is almost free from looseness or shrinkage cavity. But after the ingot is cut open, there are often large-sized porosities and shrinkage cavities in the center of the ingot. Even if the manganese-copper alloy with good alloy flow property is cast, when a large-size steel ingot is cast, large-size shrinkage cavities or looseness still exist in the central part of the steel ingot.
SUMMERY OF THE UTILITY MODEL
According to not enough among the above prior art, the utility model provides a split formula steel ingot casting die utensil, this mould simple structure, reasonable in design can solve casting high temperature alloy, heat-resistant steel, there are shrinkage cavity and loose problem in manganese-copper alloy process central part, it has shrinkage cavity and loose size to have reduced the casting jumbo size alloy ingot process central part, when taking out the steel ingot that solidifies simultaneously, can carry out the split with split formula steel ingot casting die utensil, directly take out the steel ingot, accomplish labour saving and time saving, satisfy the subsequent processing requirement of alloy.
The utility model provides a technical scheme that its technical problem adopted, include:
the die comprises a die body, a die body and a die core, wherein the die body is split along the vertical direction;
the breather pipe is arranged outside the die body and communicated with the inside of the die body;
the clamping ring is arranged outside the die body and used for connecting and fixing the die body.
Further, the die body is split into a first die body and a second die body along the vertical direction.
Further, the snap ring is arranged on two sides of the split gap of the die body.
Furthermore, a through hole is formed in the middle of the clamping ring.
Furthermore, the clamping rings on two sides of the split gap are connected through screws and nuts.
Furthermore, each split gap of the die body is at least provided with a group of snap rings.
Furthermore, two or more groups of snap rings are arranged at intervals.
Further, still include the handle, the handle setting is in the mould body outside.
Furthermore, the die body is provided with an air vent, and the air vent is communicated with the inside of the die body through the air vent.
Further, the breather pipe is communicated with the interior of the die body through the vent hole.
Further, at least one group of the vent holes and the vent pipes is arranged on the die body.
Furthermore, when two or more groups of the vent holes and the vent pipes are arranged, the vent holes and the vent pipes are arranged on the die body at intervals.
The working principle and the process are as follows:
when the split steel ingot casting mold is used, the split steel ingot casting mold is combined and baked, and the baking process is 860 ℃ multiplied by 2 h. And then, putting the split steel ingot casting mold into a vacuum smelting furnace. And putting the master alloy ingot into a crucible of a vacuum smelting furnace, heating, after the master alloy ingot is completely melted, casting molten steel in the split type steel ingot casting mold, and then taking out the split type steel ingot casting mold. And after the split steel ingot casting mold is cooled, splitting the split steel ingot casting mold to obtain a casting with good performance.
The beneficial effect of this application is as follows:
1. this application simple structure, reasonable in design can solve the shrinkage cavity of casting alloy in-process, loose problem, have reduced manufacturing cost, when promoting the foundry goods quality, also promote the technology yield, have reduced manufacturing cost.
2. Use split formula steel ingot casting mold in this application, after the cooling, can carry out the split with split formula steel ingot casting mold, directly take out the steel ingot, easy operation has improved production efficiency.
3. According to the steel ingot casting die, the steel ingot casting die is connected through the clamping ring, the through hole is formed in the middle of the clamping ring, the clamping rings can be abutted to each other through the screw nut, and the structure is simple; and the snap rings arranged at intervals enable the connection between the die bodies to be more stable.
4. According to the die, the handle is arranged outside the die body, so that the die body can be conveniently and integrally moved; and in the demolding process, the handle is pulled outwards, so that the steel ingot falls off from the mold.
5. This application is through setting up multiunit air vent and breather pipe for in the casting process, air can be discharged through air vent and breather pipe in the mould, avoids the air to remain the influence to the casting finished product.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural view of a split steel ingot casting mold according to the present application;
FIG. 2 is a top view of the split ingot casting mold of FIG. 1;
FIG. 3 is a schematic view of the snap ring connection of FIG. 1;
in the figure: 1 mould body, 2 snap rings, 3 through holes, 4 breather pipes and 5 handles.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1, as shown in fig. 1 to 3, a split-type ingot casting mold includes:
the mould comprises a mould body 1, wherein the mould body 1 is split along the vertical direction; the air pipe 4 is arranged outside the die body 1, and the air pipe 4 is communicated with the inside of the die body 1; the clamping ring 2 is arranged outside the die body 1 and used for connecting and fixing the die body 1.
As can be understood, the die body 1 is split into the first die body 1 and the second die body 1 along the vertical direction.
It can be understood that the snap ring 2 is disposed at both sides of the split gap of the die body 1.
It can be understood that the middle of the snap ring 2 is provided with a through hole 3.
It can be understood that the snap rings 2 on two sides of the split gap are connected through screws and nuts.
It can be understood that at least one group of snap rings 2 is arranged at each split gap of the die body 1.
It can be understood that two or more groups of snap rings 2 are arranged at intervals.
It will be appreciated that a handle 5 is also included, the handle 5 being disposed externally of the die body 1.
It can be understood that the die body 1 is provided with vent holes, and the vent pipe 4 is arranged at the vent holes.
It can be understood that the mold body 1 is provided with a vent hole, and the vent pipe 4 is communicated with the interior of the mold body 1 through the vent hole.
It can be understood that at least one set of vent holes, vent tubes 4, are provided on the die body 1.
It can be understood that when there are two or more sets of vent holes and vent pipes 4, the vent holes and vent pipes 4 are arranged on the mold body 1 at intervals.
It can be understood that the handles 5 are symmetrically arranged on two sides of the outer wall of the die body 1, and the handles 5 and the die body 1 are integrally formed; a vent pipe 4 is arranged in the middle and the middle lower part of the die body 1; snap rings 2 are respectively arranged at the middle upper part and the middle lower part of the die body 1, through holes 3 are arranged on the snap rings 2, the through holes 3 on the snap rings 2 can be connected by screws and nuts, and the split steel ingot casting die is combined and then is subjected to the next casting process.
As can be understood, the thickness of the bottom surface of the die body 1 is 10mm in the tubular die with the wall thickness of the die body 1 being 10mm, the diameter being 400mm and the height being 700 mm. Two groups of clamping rings 2 are respectively arranged at positions 170mm and 510mm away from the bottom surface, the thickness is 10mm, and the diameter of a screw hole is 12 mm. The diameter of the vent pipe 4 is 20mm, and the vent pipe is respectively arranged at the positions 120mm and 350mm away from the bottom surface. The two handles 5 are symmetrically designed, the handles 5 are arranged at the positions 210mm away from the top end, and the thickness of the handles 5 is 20 mm.
It can be understood that when the split steel ingot casting mold is used, the split steel ingot casting mold is combined, the pouring gate subjected to baking treatment and the split steel ingot casting mold are assembled, and the baking process is 860 ℃ multiplied by 2 h. Then, the mold was placed in a vacuum melting furnace. The method comprises the following steps of casting a nickel-based high-temperature alloy material by adopting K424 for a master alloy ingot, placing the master alloy ingot into a crucible of a vacuum smelting furnace, heating, injecting molten steel into a split type steel ingot casting mold after the master alloy ingot is completely molten, and then taking out the split type steel ingot casting mold. And after the split steel ingot casting mold is cooled, splitting the split steel ingot casting mold to obtain a casting with good performance.
The master alloy ingot is high-temperature alloy such as K424, K492M, K4222, ZG1Cr18Ni9Ti and MnCu.
Example 2, as shown in FIGS. 1-3.
The same conditions as in example 1 were repeated except that ZG1Cr18Ni9Ti heat-resistant steel was used as the master alloy ingot.
Example 3, as shown in FIGS. 1-3.
The master alloy ingot was made of MnCu alloy, and the other conditions were the same as in example 1.
Comparative example 1, as shown in figures 1-3.
The mother alloy ingot adopts K424 cast nickel-based high-temperature alloy material, the split steel ingot casting mould is not provided with air holes and air pipes 4, and the rest conditions are the same as those of the embodiment 1.
Comparative example 2, as shown in figures 1-3.
The master alloy ingot is ZG1Cr18Ni9Ti heat-resistant steel, the split steel ingot casting mould is not provided with a vent hole and a vent pipe 4, and the rest conditions are the same as those of the embodiment 1.
Comparative example 3, as shown in figures 1-3.
The master alloy ingot is made of MnCu alloy material, the split steel ingot casting mold is not provided with an air vent and an air vent pipe 4, and the rest conditions are the same as those of the embodiment 1.
In order to further verify the difference between the die and the common die and the specific function of the die with the vent pipe 4, the middle part of a cast alloy ingot is cut respectively, and the shrinkage cavity and the porosity of the end surface are observed. Each of the examples and comparative examples in table 1 was subjected to parallel experiments, the number of which was 3. The details are shown in table 1: TABLE 1 shrinkage cavity test results
As can be seen from Table 1, by adopting the split steel ingot casting mold in the application, the size of the shrinkage cavity of the cast part is obviously smaller than that of the mold without the vent pipe 4, and the effect of reducing the shrinkage cavity of the cast part by using the vent pipe 4 is further verified.
Claims (9)
1. The utility model provides a split formula steel ingot casting mold which characterized in that includes:
the die comprises a die body (1), wherein the die body (1) is split along the vertical direction;
the vent pipe (4) is arranged outside the die body (1), and the vent pipe (4) is communicated with the inside of the die body (1);
the clamping ring (2) is arranged outside the die body (1) and used for connecting and fixing the die body (1).
2. A split ingot casting mold according to claim 1, wherein the mold body (1) is split into a first mold body (1) and a second mold body (1) in the vertical direction.
3. A split ingot casting mold as claimed in claim 1, wherein the snap ring (2) is provided on both sides of the split gap of the mold body (1).
4. A split ingot casting mold as claimed in claim 3, wherein the snap ring (2) is provided with a through hole (3) in the middle.
5. A split ingot casting mold according to claim 3, wherein at least one set of snap rings (2) is provided at each split gap of the mold body (1).
6. A split ingot casting mold as claimed in claim 1, further comprising a handle (5), the handle (5) being provided outside the mold body (1).
7. A split steel ingot casting mold according to claim 1, wherein the mold body (1) is provided with vent holes, and the vent pipes (4) are communicated with the interior of the mold body (1) through the vent holes.
8. A split ingot casting mould according to claim 7, characterized in that at least one set of said vent holes, snorkels (4) is provided on the mould body (1); two or more groups of the vent holes and the vent pipes (4) are arranged on the mould body (1) at intervals.
9. A split steel ingot casting mold according to claim 8, wherein two sets of the vent holes and the vent pipes (4) are arranged on the mold body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182881.6U CN217452044U (en) | 2022-08-19 | 2022-08-19 | Split type steel ingot casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182881.6U CN217452044U (en) | 2022-08-19 | 2022-08-19 | Split type steel ingot casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217452044U true CN217452044U (en) | 2022-09-20 |
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ID=83250480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222182881.6U Active CN217452044U (en) | 2022-08-19 | 2022-08-19 | Split type steel ingot casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217452044U (en) |
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2022
- 2022-08-19 CN CN202222182881.6U patent/CN217452044U/en active Active
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