CN211386819U - Multifunctional water-cooled refractory high-entropy alloy casting forming die - Google Patents
Multifunctional water-cooled refractory high-entropy alloy casting forming die Download PDFInfo
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- CN211386819U CN211386819U CN201921096894.3U CN201921096894U CN211386819U CN 211386819 U CN211386819 U CN 211386819U CN 201921096894 U CN201921096894 U CN 201921096894U CN 211386819 U CN211386819 U CN 211386819U
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Abstract
The utility model discloses a multi-functional water-cooled refractory high-entropy alloy casting forming die mainly includes: the device comprises a cylindrical metal casting cavity, a rectangular metal casting cavity and a water cooling system. The cylindrical metal casting cavity is provided with a flow guiding slope, and the cylindrical component can be freely replaced at the part so as to cast cylindrical castings with different volumes and different shapes. The rectangular metal casting die cavity is provided with a flow guiding slope, a T-shaped water-cooling sliding block and a cuboid water-cooling assembly, and the cuboid assembly is replaced by adjusting the position of the T-shaped sliding block so as to cast blocky castings of different sizes and shapes. The water cooling system comprises integral water cooling inside the die body, local water cooling of the T-shaped sliding block and local water cooling of the cuboid component. The utility model discloses casting mould takes away the heat at heat source position through contact water-cooling to make the foundry goods obtain stable and abundant cooling, reduced foundry goods internal defect, promoted the quality of foundry goods.
Description
Technical Field
The utility model relates to a casting technical field specifically belongs to a high melting point metal casting mould.
Background
The refractory high-entropy alloy is a series of complex-component alloys which are formed by mixing a plurality of elements in an equimolar or near-equimolar ratio and take a simple solid solution structure as a matrix. The potential application fields of the material comprise a mould and a cutter, an electronic component, an engine, an abrasion-resistant coating, a high-frequency alternating current material, a nuclear structure material, an optical transmission material, a biomedical material, a thermal barrier material, a hydrogen storage material, a ship and ocean engineering material, a chemical material, a corrosion-resistant material, an abrasion-resistant material, a thermoelectric material, a superconducting material and an electromagnetic material.
Smelting and casting are common methods for forming metal materials, are convenient for industrial application, and are widely used for preparing formed high-entropy alloys. However, the refractory high-entropy alloy has a high melting point (generally above 2000 ℃), so that very high requirements are put on melting and casting molds, and the refractory high-entropy alloy usually contains active metals such as W, Ta, Zr, Ti and the like, and is easy to react with carbon materials such as graphite and the like to pollute cast refractory high-entropy alloy ingots, so that common high-temperature resistant molds such as graphite, C/C composite materials and the like cannot be applied. In addition, the refractory high-entropy alloy has higher hardness, and is difficult to process subsequently, so that the realization of regular-shaped ingot casting and near-forming is of great significance.
Disclosure of Invention
The utility model discloses to prior art difficult problem, aim at provides a polymorphic, the refractory high entropy alloy casting forming die of many volumes, and can accelerate cooling, the balanced casting mould temperature field of metal casting, obtains high-quality regular billet.
In order to realize the purpose, the utility model discloses a multifunctional water-cooled refractory high-entropy alloy casting forming die, the structure thereof is an integral structure, and the die is designed into a ladder shape; one side of the mould is designed into a cylindrical casting cavity, the other side of the mould is designed into a rectangular casting cavity, circulating water cooling is arranged in the mould, and the bottom of the mould is welded with the bottom plate; the water cooling system comprises an integral water cooling system and a local water cooling system; the integral water cooling system is characterized in that water cooling channels are respectively arranged on diagonal positions of the end surface of a rectangular casting cavity, and a water cavity is arranged in the mold body so as to achieve a circulating water cooling effect; the local water cooling system is used for locally cooling the T-shaped sliding block and the cuboid component respectively; the cooling system takes circulating water as a cooling medium, a cooling water channel is arranged in the die body, and a water inlet and a water outlet of the cooling water channel are respectively connected to a water circulating device arranged outside the die.
Further, the diameter of the cylindrical casting cavity is 100mm, the height of the cylindrical casting cavity is 150mm, the shape and the size of the ingot can be changed by placing cylindrical components with different diameters or different shapes in the cylindrical mold cavity, the diameter of the cast rod-shaped ingot is 100mm at most, and the height range of the cast rod-shaped ingot is 10 mm-150 mm.
Further, the length of the rectangular casting cavity is 200mm, the width of the rectangular casting cavity is 100mm, the height of the rectangular casting cavity is 150mm, a T-shaped sliding block is arranged on the end face of the rectangular casting cavity, a cuboid component is arranged below the rectangular casting cavity, the length range of an upper slide way of the die body is 50 mm-100 mm, and castings with different sizes and shapes can be cast by adjusting the position of the T-shaped sliding block and replacing the cuboid component. The length range of the cast ingot obtained by casting is 50 mm-150 mm, the width is 100mm, and the height range is 10 mm-150 mm.
Furthermore, the cuboid component is positioned at the bottom of the rectangular metal casting cavity, and different cuboid components can be replaced to control the shape of the cast ingot and control the height range of the cast ingot to be 10-150 mm.
Furthermore, two fixed water cavities are arranged in the integral water cooling system, namely the die body, the two water cavities are communicated with each other, cooling water channels are respectively arranged on opposite corners of the end face of the rectangular casting cavity, circulating water is introduced to cool the die body, the water pressure range is 0.15-0.2 MPa, and the water temperature is not more than 60 ℃.
Furthermore, the T-shaped sliding block is arranged on the end face of the rectangular metal casting cavity of the die body, can freely slide on the slide way and is fastened through bolts at two sides so as to control the length range of the cast ingot to be 50-150 mm.
Furthermore, the top parts of the cylindrical casting cavity and the rectangular casting cavity are provided with flow guide slopes, and the included angle between the flow guide slopes and the horizontal plane ranges from 30 degrees to 60 degrees, so that molten metal can be poured conveniently.
Further, the die and the components thereof are made of pure copper.
The utility model has the advantages that:
(1) the utility model discloses a multi-functional water-cooled casting forming die temperature resistant is high, can be used to the casting shaping of the refractory high entropy alloy more than the fusing point 3000 ℃.
(2) The utility model discloses a multi-functional water-cooled casting forming die adopts pure copper to make, and circulating water cooling, and the mould does not react with cast high-entropy alloy, and the fashioned refractory high-entropy alloy purity of casting is high, does not pollute by the casting mould.
(3) The utility model discloses a multi-functional water-cooled casting forming die can use different mould die cavities or change different die cavity subassemblies respectively, and the length of rectangle die cavity is adjustable, can cast out the regular metal casting or the nearly shaping foundry goods of different forms, different volumes.
(4) The utility model discloses a multi-functional water-cooled casting forming die sets up the cooling water cavity around the heat source of foundry goods and connects the heat transfer, takes away heat source position heat through contact forced cooling to make the foundry goods satisfy the principle that solidifies simultaneously, reduce the defect product, can improve the foundry goods quality effectively. And the cooling medium of the mould adopts water, and the cooling water circularly flows in the mould, so that the integral structure of the mould is fully utilized.
(5) The utility model discloses a multi-functional water-cooled casting forming die type accent all is equipped with the water conservancy diversion slope, can prevent to spatter when empting the molten metal liquid and leak.
Drawings
Fig. 1 is the utility model discloses multi-functional water-cooled refractory high-entropy alloy casting forming die overall structure sketch map.
Fig. 2 is the utility model discloses multi-functional water-cooled refractory high-entropy alloy casting forming die top view.
Fig. 3 is the utility model discloses multi-functional water-cooled refractory high-entropy alloy casting forming die local cut-away view.
Fig. 4 is the utility model discloses the integral water-cooling system internal structure schematic diagram of multi-functional water-cooled refractory high-entropy alloy casting forming die.
Figure 5 is the utility model discloses multi-functional water-cooled refractory high entropy alloy casting forming die interchangeable cuboid subassembly.
Figure 6 is the utility model discloses multi-functional water-cooled refractory high entropy alloy casting forming die interchangeable cylindricality subassembly.
In FIGS. 1-3: the casting mold comprises a rectangular casting mold cavity 1, a cylindrical casting mold cavity 2, a cuboid water-cooling assembly 3, a cylindrical assembly 4, a T-shaped water-cooling slide block 5, a bottom plate 6, a T-shaped block slide rail 7, bolts 8, a flow guiding slope 9, a water inlet 10, a water outlet 11, a water inlet 12, a water inlet 13, a water outlet 14, a water outlet 15, a water inlet 16 and a water outlet 17.
Detailed Description
In order to make the technical solution, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-5, the utility model provides a technical scheme of a multifunctional water-cooled refractory high-entropy alloy casting mold, which comprises a rectangular casting cavity 1, a cylindrical casting cavity 2, a cuboid water-cooling component 3, a cylindrical component 4, a T-shaped water-cooling slide block 5, a bottom plate 6, a T-shaped block slideway 7, a bolt 8, a flow guiding slope 9 and a water-cooling system. The cylindrical casting cavity 2 is a circular blind hole on the right side of the mold body as shown in fig. 2, a cylindrical component can be additionally arranged in the cylindrical casting cavity to cast ingots with different shapes and different volumes, and a diversion slope 9 is arranged at the top of the cylindrical casting cavity; the rectangular casting cavity 1 is a semi-enclosed rectangular blind hole on the left side of the mold body, a diversion slope 9 is arranged at the top of the rectangular blind hole, and the rectangular blind hole and the T-shaped slide block 5 on the left end face form an enclosed structure as shown in figure 2; the bolt 8 is arranged on the outer side of the T-shaped block slideway 7 and is movably connected with the slideway in a clearance fit mode; the cylindrical component 4 is shaped like a round head bolt, and the component matched with the cylindrical component for replacement is shown in figure 6; a concave water cavity is arranged in the cuboid component 3, and the component matched with the concave water cavity for replacement is shown in fig. 5; a water cavity is arranged in the T-shaped sliding block 5, can freely slide on a T-shaped block slideway 7 and is fastened through bolts 8 at two sides so as to control the length of the cast ingot; the bottom plate 6 is welded at the lower part of the die body.
Introducing the working principle of a water cooling system according to an embodiment, please refer to fig. 1, 3, and 4, which are schematic structural diagrams of the multifunctional water-cooled refractory high-entropy alloy casting and forming mold of the embodiment, first connecting a water cooling pipe with a water inlet 10, simultaneously connecting a water outlet 11 with the water cooling pipe, injecting cold water into the water inlet 10 to fill two water cavities, and finally, cooling water in the water cavities to a circulating water state; then the water cooling pipe is connected with the water inlets 12 and 13, the water outlets 14 and 15 are connected with the water cooling pipe, cold water is injected into the water inlets 12 and 13 to fill the T-shaped slide block water cavity and the cuboid component water cavity, and finally water in the water cavities reaches circulating water cooling. At the moment, the position of the T-shaped slide block on the slide way is adjusted, the position of the cuboid component is adjusted, the shape of a cavity with the length, width and height of 150mm multiplied by 100mm multiplied by 120mm is formed in the rectangular cavity, and then molten metal liquid is poured into the rectangular cavity. And forming a temperature field for simultaneous solidification under the regulation and cooling of a water cooling system, and cooling to obtain a casting.
Compared with the prior art, the utility model discloses a multi-functional water-cooled refractory high entropy alloy casting forming die has following advantage at least:
(1) a cooling water cavity is arranged at a hot spot part (a thick large part, a high-temperature area of a casting mold temperature field and a part which is easy to have defects) of a casting to be connected with a specific part of a mold for heat transfer, and heat at the hot spot part is taken away through contact forced cooling, so that a product meets the simultaneous solidification principle, the loss of defective products is reduced, and the product quality can be effectively improved.
(2) The cooler adopts a water cooling mode, the cooling system adopts cooling water as a cooling medium, and the cooling water circularly flows in the die, so that the overall structure of the die is fully utilized.
(3) On the same mould, metal castings with different shapes and different volumes can be cast.
(4) The die cavity openings are provided with flow guide slopes, so that splashing and leakage can be prevented when molten metal is poured.
(5) The utility model discloses a multi-functional water-cooled casting forming die is temperature resistant high, can be used to the casting shaping of the high entropy alloy of melting point more than 3000 infusible
(6) The utility model discloses a multi-functional water-cooled casting forming die adopts pure copper to make, and circulating water cooling, and the mould does not react with cast high-entropy alloy, and the fashioned refractory high-entropy alloy purity of casting is high, does not pollute by the casting mould.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A multifunctional water-cooled refractory high-entropy alloy casting forming die is structurally of an integrated structure; the die mainly comprises a cylindrical casting cavity, a rectangular casting cavity and a water cooling system;
the method is characterized in that: the mould is designed into a ladder shape, one side of the mould is designed into a cylindrical casting cavity, the other side of the mould is designed into a rectangular casting cavity, circulating water cooling is arranged in the mould, and the bottom of the mould is welded with the bottom plate; the water cooling system comprises an integral water cooling system and a local water cooling system.
2. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 1, characterized in that: the diameter of the cylinder casting cavity is 100mm, the height is 150mm, the shape and the size of the cast ingot can be changed by placing cylinder components with different diameters or different shapes in the cylinder mould cavity, and the size of the cast rodlike cast ingot can reach phi 100 multiplied by 150 mm.
3. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 1, characterized in that: the length of the rectangular casting cavity is 200mm, the width of the rectangular casting cavity is 100mm, the height of the rectangular casting cavity is 150mm, a T-shaped sliding block is arranged on the end face of the rectangular casting cavity, a cuboid component is arranged below the rectangular casting cavity, the length range of an upper slideway of the die body is 50 mm-100 mm, the shape and the size of an ingot are changed by sliding the T-shaped sliding block and inserting different cuboid components, the length range of the ingot obtained by casting is 50 mm-150 mm, the width of the ingot is 100mm, and the height range of the ingot is 10 mm-150 mm.
4. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 3, characterized in that: the T-shaped sliding block is arranged on the end face of the rectangular metal casting cavity of the die body, can freely slide on the slide way and is fastened through bolts at two sides so as to control the length range of the cast ingot to be 50-150 mm.
5. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 3, characterized in that: the cuboid component is positioned at the bottom of the rectangular metal casting cavity, and different cuboid components can be replaced to control the shape of the cast ingot and control the height range of the cast ingot to be 10-150 mm.
6. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 1, characterized in that: the top parts of the cylindrical casting cavity and the rectangular casting cavity are provided with flow guide slopes, and the included angle between the flow guide slopes and the horizontal plane ranges from 30 degrees to 60 degrees, so that molten metal can be poured conveniently.
7. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 1, characterized in that: the integral water cooling system is characterized in that two fixed water cavities are arranged in the die body and are communicated with each other, cooling water channels are respectively arranged on opposite angles of the end face of the rectangular casting cavity, circulating water is introduced to cool the die body, the water pressure range is 0.15-0.2 MPa, and the water temperature is not more than 60 ℃.
8. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 1, characterized in that: local water cooling system, T shape water-cooling slider and cuboid water cooling component, inside all is equipped with the water cavity, cooperatees with the whole water cooling system of the mould body to reach the effect of the even cooling of ingot casting, the water pressure scope is 0.15 ~ 0.2MPa, and the temperature is no longer than 60 ℃.
9. The multifunctional water-cooled refractory high-entropy alloy casting forming die of claim 1, characterized in that: the die and the components thereof are made of pure copper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921096894.3U CN211386819U (en) | 2019-07-12 | 2019-07-12 | Multifunctional water-cooled refractory high-entropy alloy casting forming die |
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| CN201921096894.3U CN211386819U (en) | 2019-07-12 | 2019-07-12 | Multifunctional water-cooled refractory high-entropy alloy casting forming die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227803A (en) * | 2019-07-12 | 2019-09-13 | 长沙理工大学 | A kind of multifunctional water cold type infusibility high-entropy alloy casting and forming mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227803A (en) * | 2019-07-12 | 2019-09-13 | 长沙理工大学 | A kind of multifunctional water cold type infusibility high-entropy alloy casting and forming mold |
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