Suspension smelting equipment
By combining a vacuum chamber and a hydraulic system in a suspension melting equipment, melting and die casting are integrated, solving the problem of forming high-melting-point metal materials and improving the quality and adaptability of ingots, especially the forming effect of refractory metals.
Patent Information
- Application Number
- CN202520230665.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing casting processes cannot effectively solve the problems of shrinkage cavities, porosity, and gas pores in high-melting-point metal materials. In particular, they are difficult to adapt to the forming requirements of metals and their alloys with poor fluidity. Traditional extrusion casting processes are powerless for high-melting-point materials.
Design a suspension melting device that combines a vacuum chamber and a hydraulic system to achieve melting and die casting within the same equipment. Through the interconnected design of the main vacuum chamber and the furnace front chamber, combined with the transfer device for crucibles and molds, the hydraulic system is used for high-temperature and high-pressure melting and die casting, adapting to the molding of various alloy materials.
It improves the performance of ingots, enabling them to be used in the smelting and die casting of most alloy materials, especially in the forming of refractory metals and special metals, and has a wide range of adaptability and high forming efficiency.
Smart Images
Figure CN223896558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to metal die casting technical field, and specifically relates to a kind of suspension smelting equipment. BACKGROUND
[0002] With the development of society, people's performance requirements for materials are higher and higher, and traditional casting process will be accompanied by a series of defects, such as shrinkage, porosity, porosity, coarse dendrite and other problems, especially for some poor fluidity of metal and its alloy, dendrite gap cannot be compensated in time, and a large number of internal porosity, shrinkage and hole are easily produced, which seriously affect the quality of ingot.
[0003] As an advanced non-ferrous alloy precision forming technique in manufacturing industry, extrusion casting is being more and more widely used in the development trend of product precision, light weight, energy saving and green, and the demand for die casting is also increasing. However, the existing extrusion casting process is generally only suitable for low melting point metal materials, such as aluminum alloy die casting and magnesium alloy die casting, and cannot be used for high melting point materials. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a kind of suspension smelting equipment for high-temperature pressure smelting die casting, and extrusion casting is carried out when material is in the state between melting and solidification, to solve the problems existing in the above background technology.
[0005] To achieve the above-mentioned purpose, the present application is realized by the following technical scheme:
[0006] A kind of suspension smelting equipment, including furnace frame, smelting furnace and oil pressure system, the smelting furnace and oil pressure system are all arranged on furnace frame;
[0007] The smelting furnace includes a vacuum chamber, the vacuum chamber is divided into a main vacuum chamber and a smelting furnace front chamber connected with each other, a crucible is installed in the main vacuum chamber, a mold is installed in the smelting furnace front chamber, and a transfer device is arranged between the crucible and the mold;
[0008] The oil pressure system includes an oil pressure system support, an oil cylinder, a piston rod and a pressure head, the oil pressure system support is installed on the furnace frame, the oil cylinder is installed on the oil system support, the piston rod is installed in the oil cylinder, the piston rod extends into the smelting furnace front chamber from the top of the smelting furnace front chamber, the pressure head is arranged at the lower end of the piston rod, and the mold is arranged below the pressure head.
[0009] Further, the furnace frame includes a furnace frame column and a furnace frame plate, the furnace frame plate is fixedly installed on the furnace frame column, and the smelting furnace is installed on the furnace frame plate.
[0010] Further, the smelting furnace includes a furnace bottom, a furnace body, a furnace cover and a furnace door, the furnace bottom is installed on the furnace frame plate, the furnace body is installed on the furnace bottom, the furnace cover is fixedly installed on the top of the furnace body, and the furnace door is arranged on the side of the furnace body.
[0011] The further hydraulic system support includes a press column, the lower end of which is mounted on a furnace frame plate near the front chamber, and a press frame upper plate is fixedly mounted on the top of the press column. The press frame upper plate is located above the furnace front chamber section, and the hydraulic cylinder is fixedly mounted on the press frame upper plate.
[0012] Furthermore, a sealing ring is installed at the top of the furnace front chamber, and the piston rod extends into the furnace front chamber after passing through the sealing ring.
[0013] Furthermore, the hydraulic system also includes a hydraulic station, which is connected to the oil cylinder via pipelines.
[0014] Furthermore, the distance between the bottom surface of the oil cylinder and the top surface of the furnace front chamber is 900mm.
[0015] Furthermore, the stroke of the hydraulic cylinder is greater than or equal to 600 mm.
[0016] Furthermore, the mold includes a mold body and ceramic heating elements disposed on the outside of the mold body.
[0017] Furthermore, an induction heating coil is provided on the outer wall of the crucible.
[0018] The beneficial effects of this utility model are:
[0019] The suspension melting equipment of this application sets the furnace as a connected main vacuum chamber and furnace front chamber, and sets crucibles and molds separately. Combined with a hydraulic system, melting and die casting can be carried out in the same equipment, which improves the performance of the ingot and can be adapted to the melting and die casting of most alloy materials. It has the characteristics of wide adaptability and has an absolute advantage in the forming of refractory metals and special metals. Attached Figure Description
[0020] Fig. 1 This is a schematic diagram of the structure of the suspension melting equipment of this utility model.
[0021] Fig. 2 This is a side view of the suspension melting equipment of this utility model.
[0022] Fig. 3 This is a schematic diagram of the working position of the pressure head.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Furnace frame column; 2. Furnace frame plate; 3. Furnace bottom; 4. Furnace body; 5. Furnace cover; 6. Furnace door; 7. Press column; 8. Press frame upper plate; 9. Crucible; 10. Hydraulic cylinder; 11. Piston rod; 12. Press head; 13. Sealing ring; 14. Furnace front chamber; 15. Mold; 16. Hydraulic station; Detailed Implementation
[0025] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are merely exemplary and can only be used to explain and illustrate the technical solution of this utility model, and should not be construed as limiting the technical solution of this utility model.
[0026] like Figs. 1 to 3 As shown, this application provides a suspension melting equipment, including a furnace frame, a furnace and a hydraulic system. In this application, the suspension melting furnace equipment also includes conventional feeding equipment, a power supply for the crucible and mold, corresponding power equipment, and internal and external heat preservation devices for the furnace, all of which are existing technologies and are not described in the technical solution of this application. However, this does not mean that the suspension melting equipment of this application does not include corresponding supporting equipment. Those skilled in the art can make conventional configurations according to actual needs.
[0027] The furnace frame includes furnace frame columns 1 and furnace frame plates 2. The furnace frame plates 2 are fixedly installed on the furnace frame columns 1, providing overall support. The furnace includes a furnace bottom 3, a furnace body 4, a furnace cover 5, and a furnace door 6. The furnace bottom 3 is installed on the furnace frame plates 2, the furnace body 4 is installed on the furnace bottom 3, and the furnace cover 5 is fixedly installed on the top of the furnace body 4, thus forming an integral furnace structure. The interior of the furnace is a vacuum chamber. In this application, the vacuum chamber inside the furnace is divided into a main vacuum chamber and a furnace front chamber 14 that are interconnected. The crucible 9 is installed in the main vacuum chamber. The hydraulic system is fixedly installed in the furnace front chamber 14. The hydraulic system includes a cylinder 10, a piston rod 11, and a pressure head 12. A press column 7 is fixedly installed on the furnace frame plates 2, and the top of the press column 7 is fixed. A press frame upper plate 8 is installed, which is located above the furnace front chamber 14. A hydraulic cylinder 10 is fixedly installed on the press frame upper plate 8, and a piston rod 11 is installed inside the hydraulic cylinder 10. A sealing ring 13 is installed on the top of the furnace front chamber 14, and the piston rod 11 is inserted into the sealing ring 13. The piston rod 11 extends into the front chamber 14 from the sealing ring 13. A pressure head 12 is fixedly installed at the bottom of the piston rod 11. A mold 15 is set on the furnace bottom 3, and a transfer device is set between the crucible and the mold. The mold 15 is set below the pressure head 12. The hydraulic system also includes a hydraulic station 16, which is connected to the hydraulic cylinder 10. In this application, the hydraulic station 16 is set on the furnace frame plate 2 to save space to the greatest extent.
[0028] In this application, the mold includes a mold body and a ceramic heating element disposed on the outside of the mold body, and the mold is heated by the ceramic heating element.
[0029] In this application, an induction heating coil is provided on the outer wall of the crucible, and the material inside the crucible is heated until it is completely melted by the induction heating coil built into the crucible itself.
[0030] In this application, the bottom height of the hydraulic cylinder 10 is 900mm, that is, the distance between the bottom surface of the hydraulic cylinder 10 and the top surface of the furnace bottom 3 is 900mm. The stroke of the hydraulic cylinder 10 is greater than or equal to 600mm, and the pressure generated by the hydraulic cylinder 10 is greater than or equal to 50 tons.
[0031] In this application, the suspension height of the pressure head 12 before operation is 600mm (corresponding to the attached...). Fig. 3 At position A in the middle, the distance between the bottom surface of pressure head 12 and the top surface of furnace bottom 3 is 600mm. The height of pressure head 12 before pressurization is 200~400mm (corresponding to the attached...). Fig. 3 (At position B in the middle), the downward pressing distance of the pressure head 12 after pressurization is 2~200mm (corresponding to the attached...) Fig. 3 (Location C in the middle).
[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A suspension smelting device, characterized in that, It includes a furnace frame, a furnace, and a hydraulic system, wherein the furnace and the hydraulic system are both mounted on the furnace frame; The furnace includes a vacuum chamber, which is divided into a main vacuum chamber and a furnace front chamber that are connected to each other. The crucible is installed in the main vacuum chamber and the mold is installed in the furnace front chamber. A transfer device is provided between the crucible and the mold. The hydraulic system includes a hydraulic system support, a hydraulic cylinder, a piston rod, and a pressure head. The hydraulic system support is mounted on the furnace frame, the hydraulic cylinder is mounted on the hydraulic system support, the piston rod is installed inside the hydraulic cylinder, the piston rod extends from the top of the furnace front chamber into the furnace front chamber, the pressure head is located at the lower end of the piston rod, and the mold is located below the pressure head.
2. The suspension melting equipment according to claim 1, characterized in that, The furnace frame includes furnace frame columns and furnace frame plates. The furnace frame plates are fixedly installed on the furnace frame columns, and the furnace is installed on the furnace frame plates.
3. The suspension melting equipment according to claim 2, characterized in that, The furnace includes a furnace bottom, a furnace body, a furnace cover, and a furnace door. The furnace bottom is installed on a furnace frame plate, the furnace body is installed on the furnace bottom, the furnace cover is fixedly installed on the top of the furnace body, and the furnace door is located on the side of the furnace body.
4. The suspension melting equipment according to claim 2, characterized in that, The hydraulic system support includes a press column, the lower end of which is mounted on a furnace frame plate near the front chamber. A press frame upper plate is fixedly mounted on the top of the press column. The press frame upper plate is located above the front chamber of the furnace, and the hydraulic cylinder is fixedly mounted on the press frame upper plate.
5. The suspension melting equipment according to claim 1, characterized in that, A sealing ring is installed at the top of the furnace front chamber, and the piston rod extends into the furnace front chamber after passing through the sealing ring.
6. The suspension melting equipment according to claim 1, characterized in that, The hydraulic system also includes a hydraulic station, which is connected to the oil cylinder via pipelines.
7. The suspension melting equipment according to claim 1, characterized in that, The distance between the bottom of the oil cylinder and the top of the furnace front chamber is 900mm.
8. The suspension melting equipment according to claim 1, characterized in that, The stroke of the hydraulic cylinder is greater than or equal to 600 mm.
9. The suspension melting equipment according to claim 1, characterized in that, The mold includes a mold body and ceramic heating elements disposed on the outside of the mold body.
10. The suspension melting equipment according to claim 1, characterized in that, An induction heating coil is installed on the outer wall of the crucible.