High-temperature alloy smelting equipment and working method thereof

Abstract

The invention relates to the technical field of high-temperature alloy smelting, in particular to high-temperature alloy smelting equipment and a working method thereof.The high-temperature alloy smelting equipment comprises a base, a containing box fixedly connected to the upper surface of the base, a mounting box fixedly connected to the upper surface of the base, a filtering box fixedly connected to the upper surface of the base, and a discharging opening fixedly connected to one side of the filtering box; a supporting block is fixedly connected to the upper surface of the containing box, a connecting column is fixedly connected to the upper surface of the supporting block, an arc-shaped connecting block is fixedly connected to the upper surface of the connecting column, a smelting furnace is fixedly connected to one side of the arc-shaped connecting block, and a top cover is movably connected to the upper surface of the smelting furnace. The threaded transmission shaft on the outer wall of the rotating rod can stably and accurately convey raw materials placed on the feeding slope plate into a crucible in the smelting furnace under the driving of the motor, the accuracy and continuity of the adding amount of the raw materials are ensured, and alloy component fluctuation caused by feeding errors is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of superalloy smelting, and specifically to a smelting device for superalloys and its working method. Background Technique

[0002] In the modern industrial field, due to its excellent comprehensive properties such as high-temperature strength, oxidation resistance, hot corrosion resistance, and good fatigue and fracture toughness, superalloys have become key materials indispensable in the manufacture of many high-end equipment. From the hot-end components of gas turbine engines in the aerospace field, such as turbine blades, guide vanes, and turbine disks, to naval and industrial gas turbines, and then to aerospace vehicles, rocket engines, nuclear reactors, petrochemical equipment, and energy conversion devices such as coal conversion, superalloys play a core role.

[0003] Traditional smelting processes mostly rely on manual experience and relatively crude detection means. Taking the early single-smelting processes of electric arc furnaces or non-vacuum induction furnaces as an example, when smelting in an atmospheric environment, active elements in the alloy, such as aluminum and titanium, are extremely likely to chemically react with oxygen and nitrogen in the air, resulting in serious burning losses. This not only makes it difficult for the actual alloy composition to accurately match the preset formula, but also causes large fluctuations in composition between batches. Moreover, traditional process means are stretched. When smelting in an atmospheric environment, it is difficult to effectively discharge the gases in the furnace, and a large amount of nitrogen, oxygen, etc. will dissolve in the molten alloy, forming defects such as pores. For non-metallic inclusions, the early processes mainly relied on simple deoxidation operations and were difficult to completely remove them. Summary of the Invention

[0004] The purpose of the present invention is to provide a smelting device for superalloys and its working method to solve the problems raised in the above background technique.

[0005] To achieve the above effects, the technical solutions adopted by the present invention are as follows:

[0006] In a first aspect, the present invention provides a smelting device for superalloys, including a base, on the upper surface of which a placement box is fixedly connected, an installation box is fixedly connected, a filtration box is fixedly connected, a discharge port is fixedly connected to one side of the filtration box, a support block is fixedly connected to the upper surface of the placement box, a connecting column is fixedly connected to the upper surface of the support block, an arc-shaped connecting block is fixedly connected to the upper surface of the connecting column, a smelting furnace is fixedly connected to one side of the arc-shaped connecting block, a top cover is movably connected to the upper surface of the smelting furnace, a feed pipe is arranged on the upper surface of the placement box, and a first driving motor is fixedly connected to the upper surface of the feed pipe.

[0007] Preferably, a first air delivery pipe is fixedly connected to one side of the smelting furnace. An air extraction pump is fixedly connected inside the installation box, and the air extraction pump is connected to the first air delivery pipe. A second air delivery pipe is fixedly connected to one side of the air extraction pump, and the second air delivery pipe penetrates through the inside of the filter box.

[0008] Preferably, a first rotating shaft is rotatably connected to the filter box. A first meshing gear is rotatably connected to the outer wall of the first rotating shaft. A second meshing gear is meshingly connected to one side of the first meshing gear. A second rotating shaft is rotatably connected to one side of the second meshing gear. A first connecting ring is rotatably connected to the outer wall of the second rotating shaft. A cleaning rod is rotatably connected to the outer wall of the first connecting ring. Two pairs of filter nets are fixedly connected inside the filter box. A second driving motor is fixedly connected to one side of the filter box, and the second driving motor is connected to the first rotating shaft.

[0009] Preferably, a pair of first telescopic rods are movably connected to the lower surface of the top cover. The output end of the lower surface of the first telescopic rod is fixedly connected to a lifting plate. A servo motor is fixedly connected to the upper surface of the lifting plate. A rotating shaft is rotatably connected to the lower surface of the servo motor. A second connecting ring is rotatably connected to the outer wall of the rotating shaft. A stirring rod is rotatably connected to the outer wall of the second connecting ring.

[0010] Preferably, a filter pipe is fixedly connected inside the smelting furnace. A crucible is fixedly connected to the upper surface of the filter pipe. An induction heating coil is wound around the outer wall of the crucible. A heater is fixedly connected to one side of the induction heating coil, and the heater is connected to the smelting furnace. A feeding pipe is fixedly connected to one side of the smelting furnace, and the feeding pipe is connected to the inlet pipe.

[0011] Preferably, a rotating rod is rotatably connected inside the inlet pipe, and the rotating rod is connected to the first driving motor. A threaded transmission shaft is rotatably connected to the outer wall of the rotating rod. A feeding ramp plate is fixedly connected to one side of the inlet pipe.

[0012] Preferably, support plates are fixedly connected to the left and right sides inside the placement box. A sliding groove is formed inside the support plate. A slider is slidably connected inside the sliding groove. A pushing plate is fixedly connected to one side of the slider. A connecting block is fixedly connected to the upper surface of the pushing plate. A synchronous motor is fixedly connected inside the placement box. A transmission shaft is rotatably connected to one side of the synchronous motor, and the transmission shaft is connected to the connecting block. A connecting plate is fixedly connected to one side of the pushing plate. A pair of fixing plates are fixedly connected to the upper surface of the connecting plate. A pair of second telescopic rods are fixedly connected to the left and right sides of one side of the fixing plate. The output end of one side of the second telescopic rod is fixedly connected to a clamping plate.

[0013] In a second aspect, the present invention provides a method for smelting a superalloy, and the method includes the following steps:

[0014] Step 1: Check whether the connections of all components of the equipment are firm. Ensure that the main structures such as the base, placement box, installation box, and filtration box are not loose. Conduct a power-on test on power equipment such as the first drive motor, air extraction pump, second drive motor, servo motor, and synchronous motor to check whether the operation is normal. Clean the feed pipe and feed ramp plate to ensure that there is no residual debris, avoiding affecting the raw material transportation. Place various raw materials required for superalloy smelting at the feed ramp plate. The raw materials should be prepared and classified according to the preset ratio;

[0015] Step 2: Control the synchronous motor to drive the transmission shaft, and then push the connecting block, pushing plate, and fixing plate to move to the appropriate positions. Adjust the second telescopic rod to loosen the clamping plate. At this time, place the mold within the range where the clamping plate can act. According to the shape and size of the mold, finely adjust the second telescopic rod to firmly clamp the mold with the clamping plate, ensuring that the mold will not shake or displace during subsequent operations;

[0016] Step 3: Start the first drive motor. The first drive motor drives the rotating rod to rotate, and the threaded transmission shaft on the outer wall of the rotating rod rotates accordingly. Place the raw materials on the feed ramp plate. Under the action of the threaded transmission shaft, the raw materials are transported along the feed pipe towards the smelting furnace, and the raw materials fall into the crucible in the smelting furnace through the discharge pipe;

[0017] Step 4: Close the top cover to ensure that the smelting furnace is well sealed. Start the air extraction pump. The air extraction pump extracts the air in the smelting furnace through the first air pipe and transports it to the filtration box through the second air pipe. Start the second drive motor. The second drive motor drives the first rotating shaft to rotate, and the first meshing gear on the outer wall of the first rotating shaft rotates accordingly. Through meshing with the second meshing gear, it drives the second rotating shaft to rotate, and then makes the first connecting ring and the cleaning rod rotate to pre-clean the two pairs of filter meshes in the filtration box, ensuring that the waste gas can be effectively filtered during the air extraction process;

[0018] Step 5: Turn on the heater. The heater supplies power to the induction heating coil. The induction heating coil surrounds the crucible to generate an alternating magnetic field, causing the crucible and the raw materials inside it to heat up rapidly. According to the smelting requirements of superalloys, precisely control the power and heating time of the heater to raise the temperature to the appropriate smelting temperature range. Start the servo motor. The servo motor drives the rotating shaft to rotate, and the second connecting ring and the stirring rod on the outer wall of the rotating shaft rotate accordingly to stir the superalloy raw materials in the crucible, making the raw materials evenly heated and promoting the full mixing of alloy components;

[0019] Step 6: During the smelting process, continuously turn on the air extraction pump to extract the waste gas generated in the smelting furnace. The waste gas enters the filtration box through the first air pipe and the second air pipe and is filtered through the two pairs of filter meshes in sequence. During the filtration process, the second drive motor keeps running, driving the cleaning rod to continuously clean the impurities on the filter meshes to prevent the filter meshes from being blocked, ensuring the waste gas filtration effect. The filtered waste gas is discharged through the discharge port;

[0020] Step 7: After the smelting is completed, stop the heater and the servo motor, and wait for the crucible and the superalloy to cool down to a suitable temperature. By controlling the reverse rotation of the synchronous motor, drive the push plate, the fixed plate, and the clamped mold to move out of the placement box. When it moves to a suitable position, adjust the second telescopic rod, loosen the clamping plate, take out the mold, and perform subsequent processing on the smelted superalloy.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. The rotating rod in the feed pipe is connected to the first driving motor. Under the drive of the motor, the threaded transmission shaft on the outer wall of the rotating rod can stably and accurately convey the raw materials placed on the feed ramp plate into the crucible in the smelting furnace, ensuring the accuracy and continuity of the raw material addition amount, reducing the alloy composition fluctuation caused by the feeding error. The system composed of the support plate, chute, slider, push plate, connecting block, synchronous motor, transmission shaft, fixed plate, second telescopic rod, and clamping plate inside the placement box provides a reliable guarantee for the placement, fixation, and handling of the crucible. Before smelting, it can accurately adjust the position of the mold to ensure the docking accuracy of the feeding pipe and the discharge pipe, avoiding raw material leakage and blockage; after smelting, it can safely and efficiently take out the mold. The protection measures for the raw materials and the alloy are in place during the whole process, further ensuring that the alloy composition is not interfered by external factors.

[0023] 2. The smelting furnace is connected to the air extraction pump in the installation box through the first air pipe, and the air extraction pump then conveys the gas to the filtration box through the second air pipe. Before smelting, the air in the smelting furnace can be quickly and effectively extracted to create a relatively pure smelting environment, reducing the pollution of the alloy by the initial gas. During the smelting process, the waste gas is continuously extracted to prevent the accumulation of harmful gases in the furnace. Through the first rotating shaft, the first meshing gear, the second meshing gear, the second rotating shaft, the first connecting ring, the cleaning rod, and the two pairs of filter meshes in the filtration box, the automatic cleaning function of the filter meshes is realized under the drive of the second driving motor, ensuring that the waste gas can always be efficiently filtered, further improving the purity of the alloy, and reducing the generation of defects such as pores and inclusions.

[0024] 3. Through the coordinated operation of the filter pipe, crucible, induction heating coil, and heater inside the smelting furnace, the heater powers the induction heating coil, enabling precise control of the heating power and time for the crucible and the raw materials inside it, quickly and stably raising the temperature to the appropriate smelting temperature range. At the same time, the stirring system composed of the first telescopic rod, servo motor, rotating shaft, second connecting ring, and stirring rod under the top cover stirs the raw materials during the smelting process, making the raw materials heat evenly, promoting the full mixing of alloy components, effectively avoiding local overheating or overcooling phenomena, improving the uniformity of the alloy structure. Since the smelting furnace is movably connected to the top cover, it can ensure good sealing during the smelting process, prevent external air from entering the furnace, maintain a stable smelting environment, and cooperate with the air extraction and purification system to effectively control the furnace atmosphere, which is beneficial to controlling element burning loss during the superalloy smelting process and improving the stability and consistency of alloy performance. Brief Description of the Drawings

[0025] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, so they should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can be obtained based on these drawings.

[0026] Figure 1 is a schematic diagram of the structure of a smelting device for superalloys and its working method according to an embodiment of the present invention;

[0027] Figure 2 is a schematic diagram of the internal structure of the installation box and the filter box according to an embodiment of the present invention;

[0028] Figure 3 is a schematic diagram of the internal structure of the smelting furnace according to an embodiment of the present invention;

[0029] Figure 4 is a schematic diagram of the internal structure of the feed pipe according to an embodiment of the present invention;

[0030] Figure 5 is a schematic diagram of the internal structure of the placement box according to an embodiment of the present invention.

[0031] In the figure, 1 is the base; 2 is the placement box; 3 is the installation box; 4 is the filter box; 5 is the discharge port; 6 is the support block; 7 is the connecting column; 8 is the arc-shaped connecting block; 9 is the smelting furnace; 10 is the top cover; 11 is the feed pipe; 12 is the first driving motor; 13 is the first air delivery pipe; 14 is the air extraction pump; 15 is the second air delivery pipe; 16 is the first rotating shaft; 17 is the first meshing gear; 18 is the second meshing gear; 19 is the second rotating shaft; 20 is the first connecting ring; 21 is the cleaning rod; 22 is the filter screen; 23 is the second driving motor; 24 is the first telescopic rod; 25 is the lifting plate; 26 is the servo motor; 27 is the rotating shaft; 28 is the second connecting ring; 29 is the stirring rod; 30 is the filter pipe; 31 is the crucible; 32 is the induction heating coil; 33 is the heater; 34 is the blanking pipe; 35 is the rotating rod; 36 is the threaded transmission shaft; 37 is the feed ramp plate; 38 is the support plate; 39 is the chute; 40 is the slider; 41 is the pushing plate; 42 is the connecting block; 43 is the synchronous motor; 44 is the transmission shaft; 45 is the connecting plate; 46 is the fixing plate; 47 is the second telescopic rod; 48 is the clamping plate. Detailed implementation mode

[0032] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.

[0033] Embodiment 1:

[0034] Please refer to Figures 1 to 3As shown in the figure, this embodiment discloses a smelting device for superalloy, including a base 1. On the upper surface of the base 1, a placement box 2 is fixedly connected. On the upper surface of the base 1, an installation box 3 is fixedly connected. On the upper surface of the base 1, a filter box 4 is fixedly connected. On one side of the filter box 4, a discharge port 5 is fixedly connected. On the upper surface of the placement box 2, a support block 6 is fixedly connected. On the upper surface of the support block 6, a connecting column 7 is fixedly connected. On the upper surface of the connecting column 7, an arc-shaped connecting block 8 is fixedly connected. On one side of the arc-shaped connecting block 8, a smelting furnace 9 is fixedly connected. On the upper surface of the smelting furnace 9, a top cover 10 is movably connected. On the upper surface of the placement box 2, a feed pipe 11 is arranged. On the upper surface of the feed pipe 11, a first driving motor 12 is fixedly connected. An air extraction pump 14 is placed inside the installation box 3. It is tightly connected to the smelting furnace 9 through a first air pipe 13, and at the same time, it is firmly connected to the filter box 4 through a second air pipe 15. The firm support provided by the base 1 to the installation box 3 enables the air extraction pump 14 to operate stably throughout the smelting process. In the early stage of smelting, the air extraction pump 14 quickly plays a role, quickly extracting the air inside the smelting furnace 9 to create a pure environment with low oxygen or even no oxygen for smelting, reducing the element burning loss phenomenon caused by chemical reactions with oxygen during the initial stage of alloy melting, and thus greatly improving the purity of the alloy. During the continuous smelting process, the air extraction pump 14 keeps running, continuously extracting the waste gas generated in the furnace to prevent the accumulation of harmful gases in the furnace, thereby avoiding the negative impact of harmful gases on the quality of the alloy and further ensuring the high quality of the alloy. The discharge port 5 fixedly connected to one side of the filter box 4 is the only channel for the exhaust gas after purification to discharge from the equipment. With the strong support of the base 1, the filtering structure inside the filter box 4, including a cleaning device composed of components such as a first rotating shaft 16 and a first meshing gear 17, and two pairs of carefully arranged filter meshes 22, can efficiently and accurately purify the waste gas from the smelting furnace 9. The purified gas is discharged orderly from the discharge port 5. This process not only effectively avoids the pollution of the external environment by the impurities and harmful gases in the waste gas, but also greatly reduces the possibility of the waste gas flowing back into the smelting furnace 9, reducing the risk of secondary pollution to the quality of the alloy in the furnace, providing double guarantee for the high-quality smelting of the alloy.

[0035] Preferably, a first air delivery pipe 13 is fixedly connected to one side of the smelting furnace 9, an air extraction pump 14 is fixedly connected inside the installation box 3, and the air extraction pump 14 is connected to the first air delivery pipe 13. A second air delivery pipe 15 is fixedly connected to one side of the air extraction pump 14, and the second air delivery pipe 15 penetrates through the inside of the filter box 4. The fixed connection between the smelting furnace 9 and the first air delivery pipe 13, and the tight connection between the first air delivery pipe 13 and the air extraction pump 14 create an efficient channel for gas replacement in the smelting furnace 9. Before smelting starts, the air extraction pump 14 quickly extracts the air inside the smelting furnace 9 through this connection, rapidly reducing the oxygen content in the furnace and creating a pure smelting atmosphere with low oxygen or even no oxygen. As the power core, the second air delivery pipe 15 fixedly connected to one side of the air extraction pump 14 penetrates through the inside of the filter box 4, enabling the waste gas generated during the smelting process in the smelting furnace 9 to be stably and continuously transported to the filter box 4, ensuring the balance of gas pressure inside the smelting furnace 9, avoiding abnormal furnace pressure caused by waste gas accumulation, and thus affecting the normal progress of the smelting reaction. At the same time, the stable waste gas transportation also provides stable working conditions for the filtering device inside the filter box 4, which is beneficial to improving the filtering efficiency. Secondly, the design of the second air delivery pipe 15 penetrating through the inside of the filter box 4 allows the waste gas to fully interact with the filtering structure inside the filter box 4, such as two pairs of filter meshes 22 and the cleaning rod 21 driven by the first rotating shaft 16, the first meshing gear 17, etc. During the flow of the waste gas, impurities such as dust and harmful gases in it are effectively intercepted and adsorbed. Moreover, due to the penetrating design of the second air delivery pipe 15, the waste gas can be evenly distributed inside the filter box 4, increasing the contact area and time with the filtering components, greatly enhancing the filtering effect, ensuring that the discharged waste gas meets the environmental protection standards, and at the same time reducing the corrosion and pollution of the waste gas to other components of the equipment.

[0036] Preferably, the filter box 4 is rotatably connected with a first rotating shaft 16. The outer wall of the first rotating shaft 16 is rotatably connected with a first meshing gear 17. One side of the first meshing gear 17 is meshingly connected with a second meshing gear 18. One side of the second meshing gear 18 is rotatably connected with a second rotating shaft 19. The outer wall of the second rotating shaft 19 is rotatably connected with a first connecting ring 20. The outer wall of the first connecting ring 20 is rotatably connected with a cleaning rod 21. Two pairs of filter meshes 22 are fixedly connected inside the filter box 4. One side of the filter box 4 is fixedly connected with a second driving motor 23, and the second driving motor 23 is connected with the first rotating shaft 16. When the second driving motor 23 is started, it can accurately drive the first rotating shaft 16 to rotate smoothly. The first meshing gear 17 rotatably connected to the outer wall of the first rotating shaft 16 rotates synchronously. Through meshing with the second meshing gear 18, it drives the second rotating shaft 19 to rotate. The first connecting ring 20 and the cleaning rod 21 rotatably connected to the outer wall of the second rotating shaft 19 can comprehensively, continuously and efficiently clean the two pairs of filter meshes 22 in the filter box 4 during the rotation process. As the cleaning rod 21 continuously sweeps, the dust, impurities, etc. attached to the surface of the filter meshes 22 are timely removed, always keeping the mesh holes of the filter meshes 22 unblocked, maintaining its high filtration efficiency, ensuring that the waste gas can continuously and smoothly pass through the filter meshes 22, effectively intercepting various impurities in the waste gas, and greatly improving the purification quality of the waste gas. Since the cleaning rod 21 is driven by the first connecting ring 20 to make a circular motion around the second rotating shaft 19, it can cover all areas of the filter meshes 22, making the filtration effect of each part more uniform when the waste gas passes through the filter meshes 22.

[0037] Preferably, a pair of first telescopic rods 24 are movably connected to the lower surface of the top cover 10. The output end of the lower surface of the first telescopic rods 24 is fixedly connected with a lifting plate 25. The upper surface of the lifting plate 25 is fixedly connected with a servo motor 26. The lower surface of the servo motor 26 is rotatably connected with a rotating shaft 27. The outer wall of the rotating shaft 27 is rotatably connected with a second connecting ring 28. The outer wall of the second connecting ring 28 is rotatably connected with a stirring rod 29. When the smelting process is started, the servo motor 26 is started. With its precise rotational speed control ability, it drives the rotating shaft 27 to rotate smoothly. The second connecting ring 28 and the stirring rod 29 rotatably connected to the outer wall of the rotating shaft 27 operate accordingly, and the high-temperature alloy raw materials are stirred in all directions in the crucible 31. Since the stirring rod 29 can stir the raw materials at different levels and angles under the drive of the second connecting ring 28, the raw materials are heated more evenly. The setting of the first telescopic rods 24 adds a height adjustment function to the stirring system. At different stages of smelting, according to actual needs, before smelting the high-temperature alloy, the operator can control the telescopic length of the first telescopic rods 24 according to the depth of the crucible 31 and the filling amount of the raw materials, and accurately adjust the height of the lifting plate 25, so that the stirring rod 29 is in the best starting position for stirring.

[0038] Preferably, a filter pipe 30 is fixedly connected inside the smelting furnace 9. A crucible 31 is fixedly connected to the upper surface of the filter pipe 30. An induction heating coil 32 is connected around the outer wall of the crucible 31. A heater 33 is fixedly connected to one side of the induction heating coil 32, and the heater 33 is connected to the smelting furnace 9. A feeding pipe 34 is fixedly connected to one side of the smelting furnace 9, and the feeding pipe 34 is connected to the feeding pipe 11. The connection between the heater 33 and the induction heating coil 32 constructs an efficient heating system. The heater 33 supplies power to the induction heating coil 32. When current passes through the induction heating coil 32, an alternating magnetic field will be generated around it. Since the crucible 31 is made of a material with certain conductivity, an induced current, that is, eddy current, will be generated in the crucible 31 in the alternating magnetic field. When the eddy current flows inside the crucible 31, heat is generated due to the resistance effect, so as to quickly and evenly heat the crucible 31 and the superalloy raw materials inside it. Moreover, the heater 33 is connected to the smelting furnace 9, and the output power of the heater 33 can be accurately adjusted through the equipment control system. During the smelting process of superalloys, the temperature requirements are extremely strict at different stages. By precisely controlling the power of the heater 33, the magnetic field intensity generated by the induction heating coil 32 can be adjusted in real time, and then the heating temperature of the crucible 31 can be accurately controlled. Secondly, the feeding pipe 34 fixedly connected to one side of the smelting furnace 9 is connected to the feeding pipe 11, forming a smooth raw material conveying channel. During the feeding process, the raw materials in the feeding pipe 11 are accurately conveyed to the feeding pipe 34 by the action of the first driving motor 12 driving the rotating rod 35 and the threaded transmission shaft 36, and then smoothly fall into the crucible 31 in the smelting furnace 9.

[0039] Example 2:

[0040] Please refer to Figures 4 to 5 As shown in the figure, this embodiment discloses a smelting device for superalloys, including a base 1. A placement box 2 is fixedly connected to the upper surface of the base 1. An installation box 3 is fixedly connected to the upper surface of the base 1. A filter box 4 is fixedly connected to the upper surface of the base 1. A discharge port 5 is fixedly connected to one side of the filter box 4. A support block 6 is fixedly connected to the upper surface of the placement box 2. A connecting column 7 is fixedly connected to the upper surface of the support block 6. An arc-shaped connecting block 8 is fixedly connected to the upper surface of the connecting column 7. A smelting furnace 9 is fixedly connected to one side of the arc-shaped connecting block 8. A top cover 10 is movably connected to the upper surface of the smelting furnace 9. A feeding pipe 11 is arranged on the upper surface of the placement box 2, and a first driving motor 12 is fixedly connected to the upper surface of the feeding pipe 11.

[0041] Preferably, a rotating rod 35 is rotatably connected inside the feed pipe 11, and the rotating rod 35 is connected to the first driving motor 12. A threaded transmission shaft 36 is rotatably connected to the outer wall of the rotating rod 35. A feed ramp plate 37 is fixedly connected to one side of the feed pipe 11. When the first driving motor 12 is started, the rotation speed of the rotating rod 35 can be accurately controlled. The threaded transmission shaft 36 rotatably connected to the outer wall of the rotating rod 35 will operate synchronously with the rotation of the rotating rod 35. Different specifications of the threaded transmission shaft 36, in combination with the rotation speed adjustment of the rotating rod 35, can achieve accurate control of the raw material delivery volume. The spiral structure design of the threaded transmission shaft 36 enables it to continuously push the raw materials along the feed pipe 11 towards the smelting furnace 9 during rotation. During the smelting process, it can ensure a continuous supply of raw materials, avoid the stagnation of the smelting process caused by feed interruption, maintain the continuity and stability of smelting production, improve the overall production efficiency. Moreover, the feed ramp plate 37 fixedly connected to one side of the feed pipe 11 provides great convenience for raw material feeding. The operator only needs to place the superalloy raw materials on the feed ramp plate 37, and the raw materials can smoothly slide into the feed pipe 11 by their own gravity, without the need for complex manual pushing or other auxiliary feeding equipment.

[0042] Preferably, support plates 38 are fixedly connected to the left and right sides inside the placement box 2. A chute 39 is provided inside the support plate 38. A slider 40 is slidably connected inside the chute 39. A push plate 41 is fixedly connected to one side of the slider 40. A connecting block 42 is fixedly connected to the upper surface of the push plate 41. A synchronous motor 43 is fixedly connected inside the placement box 2. One side of the synchronous motor 43 is rotatably connected to a transmission shaft 44, and the transmission shaft 44 is connected to the connecting block 42. A connecting plate 45 is fixedly connected to one side of the push plate 41. A pair of fixing plates 46 are fixedly connected to the upper surface of the connecting plate 45. A pair of second telescopic rods 47 are fixedly connected to the left and right sides of one side of the fixing plate 46. The output end of one side of the second telescopic rod 47 is fixedly connected to a clamping plate 48. In the smelting preparation stage, the synchronous motor 43 is started to drive the transmission shaft 44 to rotate, and then the push plate 41 is pushed to slide along the chute 39 through the connecting block 42. At this time, the mold is placed within the range where the clamping plate 48 can act. According to the shape and size of the mold, the second telescopic rod 47 is finely adjusted to firmly clamp the mold by the clamping plate 48, ensuring that the mold will not shake or displace during subsequent operations. By adjusting the second telescopic rod 47, the clamping plate 48 firmly clamps the mold. After smelting is completed, the synchronous motor 43 is operated in reverse, and the push plate 41 drives the mold to smoothly slide out of the placement box 2, facilitating removal for subsequent processing. The whole process does not require manual laborious handling, greatly improving the efficiency of mold handling, reducing the labor intensity, and at the same time reducing the risk of mold collision damage caused by manual handling. Secondly, the synchronous motor 43 has a high-precision speed control ability and can accurately control the rotation angle of the transmission shaft 44, thereby precisely adjusting the moving distance of the push plate 41. This enables the mold to be accurately positioned at the required position during placement and movement. For molds with different diameters or heights, the distance and height between the clamping plates 48 can be changed by adjusting the telescopic length of the second telescopic rod 47, so as to firmly clamp various molds.

[0043] When the new type of the present invention is in use, first, conduct a comprehensive inspection on the main structures such as the base 1, the placement box 2, the installation box 3, and the filtration box 4 to ensure that the connections are firm and without looseness. Power on and test the power equipment such as the first drive motor 12, the air extraction pump 14, the second drive motor 23, the servo motor 26, and the synchronous motor 43 to check whether their operations are normal. Clean the feed pipe 11 and the feed ramp 37 to ensure that there is no residual debris, so as not to affect the raw material transportation. At the feed ramp 37, prepare and classify various raw materials required for superalloy smelting according to the preset ratio. At the same time, by controlling the synchronous motor 43, drive the transmission shaft 44, push the connecting block 42, the push plate 41, and the fixing plate 46 to move to the appropriate positions, adjust the second telescopic rod 47 to loosen the clamping plate 48, place the mold within the range where the clamping plate 48 can act, and finely adjust the second telescopic rod 47 according to the shape and size of the mold to firmly clamp the mold with the clamping plate 48 to ensure that the mold will not shake or displace during subsequent operations. Start the first drive motor 12, which drives the rotating rod 35 to rotate, and the threaded transmission shaft 36 on the outer wall of the rotating rod 35 rotates accordingly. Place the raw materials on the feed ramp 37. Under the action of the threaded transmission shaft 36, the raw materials are transported along the feed pipe 11 towards the smelting furnace 9 and fall into the crucible 31 in the smelting furnace 9 through the feed pipe 34. Start the first drive motor 12, which drives the rotating rod 35 to rotate, and the threaded transmission shaft 36 on the outer wall of the rotating rod 35 rotates accordingly. Place the raw materials on the feed ramp 37. Under the action of the threaded transmission shaft 36, the raw materials are transported along the feed pipe 11 towards the smelting furnace 9 and fall into the crucible 31 in the smelting furnace 9 through the feed pipe 34. Close the top cover 10 to ensure that the smelting furnace 9 is well sealed. Start the air extraction pump 14, and the air extraction pump 14 extracts the air in the smelting furnace 9 through the first air pipe 13 and transports it to the filtration box 4 through the second air pipe 15. At the same time, start the second drive motor 23, which drives the first rotating shaft 16 to rotate, and the first meshing gear 17 on the outer wall of the first rotating shaft 16 rotates accordingly. Through meshing with the second meshing gear 18, drive the second rotating shaft 19 to rotate, and then make the first connecting ring 20 and the cleaning rod 21 rotate to pre-clean the two pairs of filter meshes 22 in the filtration box 4 to ensure that the waste gas can be effectively filtered during the air extraction process. Turn on the heater 33, and the heater 33 supplies power to the induction heating coil 32. The induction heating coil 32 surrounds the crucible 31 to generate an alternating magnetic field, causing the crucible 31 and the raw materials inside it to quickly heat up. According to the smelting requirements of the superalloy, precisely control the power and heating time of the heater 33 to raise the temperature to the appropriate smelting temperature range. Start the servo motor 26, which drives the rotating shaft 27 to rotate, and the second connecting ring 28 and the stirring rod 29 on the outer wall of the rotating shaft 27 rotate accordingly to stir the superalloy raw materials in the crucible 31 to make the raw materials heat evenly and promote the full mixing of the alloy components. During the smelting process, continuously turn on the air extraction pump 14 to extract the waste gas generated in the smelting furnace 9. The waste gas enters the filtration box 4 through the first air pipe 13 and the second air pipe 15.It is filtered successively through two pairs of filter meshes 22. During this process, the second drive motor 23 keeps running, driving the cleaning rod 21 to continuously clean the impurities on the filter meshes 22, preventing the filter meshes from being blocked, ensuring the exhaust gas filtering effect. The filtered exhaust gas is discharged through the discharge port 5. When the smelting is completed, the heater 33 and the servo motor 26 are stopped, and wait for the crucible 31 and the superalloy to cool to a suitable temperature. By controlling the reverse rotation of the synchronous motor 43, drive the push plate 41, the fixed plate 46 and the clamped mold to move out of the placement box 2. When it moves to a suitable position, adjust the second telescopic rod 47, loosen the clamping plate 48, take out the mold, and perform subsequent processing on the smelted superalloy. Subsequently, the equipment can be cleaned and maintained as needed to prepare for the next smelting.,

[0044] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0045] The present invention is not limited to the above optional embodiments, and anyone can obtain other various forms of products under the inspiration of the present invention. The above specific embodiments should not be construed as limiting the protection scope of the present invention. The protection scope of the present invention should be defined by the claims, and the specification can be used to interpret the claims.

Claims

1. A smelting device for superalloy, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with a placement box (2), the upper surface of the base (1) is fixedly connected with an installation box (3), the upper surface of the base (1) is fixedly connected with a filter box (4), one side of the filter box (4) is fixedly connected with a discharge port (5), the upper surface of the placement box (2) is fixedly connected with a support block (6), the upper surface of the support block (6) is fixedly connected with a connecting column (7), the upper surface of the connecting column (7) is fixedly connected with an arc-shaped connecting block (8), one side of the arc-shaped connecting block (8) is fixedly connected with a smelting furnace (9), the upper surface of the smelting furnace (9) is movably connected with a top cover (10), the upper surface of the placement box (2) is provided with a feed pipe (11), and the upper surface of the feed pipe (11) is fixedly connected with a first driving motor (12).

2. The smelting equipment for a superalloy according to claim 1, characterized in that: One side of the smelting furnace (9) is fixedly connected with a first gas conveying pipe (13), an air extraction pump (14) is fixedly connected inside the installation box (3), and the air extraction pump (14) is connected with the first gas conveying pipe (13), and one side of the air extraction pump (14) is fixedly connected with a second gas conveying pipe (15), and the second gas conveying pipe (15) penetrates through the inside of the filter box (4).

3. The smelting equipment for a superalloy according to claim 1, characterized in that: A first rotating shaft (16) is rotatably connected to the filter box (4), a first meshing gear (17) is rotatably connected to the outer wall of the first rotating shaft (16), a second meshing gear (18) is meshed and connected to one side of the first meshing gear (17), a second rotating shaft (19) is rotatably connected to one side of the second meshing gear (18), a first connecting ring (20) is rotatably connected to the outer wall of the second rotating shaft (19), a cleaning rod (21) is rotatably connected to the outer wall of the first connecting ring (20), two pairs of filter meshes (22) are fixedly connected to the inside of the filter box (4), and a second driving motor (23) is fixedly connected to one side of the filter box (4), and the second driving motor (23) is connected with the first rotating shaft (16).

4. The smelting equipment for a superalloy according to claim 1, characterized in that: A pair of first telescopic rods (24) are movably connected to the lower surface of the top cover (10), the output end of the lower surface of the first telescopic rod (24) is fixedly connected with a lifting plate (25), a servo motor (26) is fixedly connected to the upper surface of the lifting plate (25), a rotating shaft (27) is rotatably connected to the lower surface of the servo motor (26), a second connecting ring (28) is rotatably connected to the outer wall of the rotating shaft (27), and a stirring rod (29) is rotatably connected to the outer wall of the second connecting ring (28).

5. The smelting equipment for superalloy according to claim 1, characterized in that: A filter pipe (30) is fixedly connected to the inside of the smelting furnace (9), a crucible (31) is fixedly connected to the upper surface of the filter pipe (30), an induction heating coil (32) is wound around the outer wall of the crucible (31), a heater (33) is fixedly connected to one side of the induction heating coil (32), and the heater (33) is connected with the smelting furnace (9), and a blanking pipe (34) is fixedly connected to one side of the smelting furnace (9), and the blanking pipe (34) is connected with the feed pipe (11).

6. The smelting equipment for superalloy according to claim 1, characterized in that: A rotating rod (35) is rotatably connected inside the feed pipe (11), and the rotating rod (35) is connected to the first driving motor (12). A threaded transmission shaft (36) is rotatably connected to the outer wall of the rotating rod (35). One side of the feed pipe (11) is fixedly connected with a feed ramp plate (37).

7. The smelting equipment for superalloy according to claim 1, characterized in that: Support plates (38) are fixedly connected to the left and right sides inside the placement box (2). A chute (39) is formed inside the support plate (38). A slider (40) is slidably connected inside the chute (39). A push plate (41) is fixedly connected to one side of the slider (40). A connecting block (42) is fixedly connected to the upper surface of the push plate (41). A synchronous motor (43) is fixedly connected inside the placement box (2). A transmission shaft (44) is rotatably connected to one side of the synchronous motor (43), and the transmission shaft (44) is connected to the connecting block (42). A connecting plate (45) is fixedly connected to one side of the push plate (41). A pair of fixing plates (46) are fixedly connected to the upper surface of the connecting plate (45). A pair of second telescopic rods (47) are fixedly connected to the left and right sides of one side of the fixing plate (46). A clamping plate (48) is fixedly connected to the output end of one side of the second telescopic rod (47).

8. A smelting method for a superalloy, characterized in that, Applied to a smelting device for superalloys implementing any one of claims 1-7, the method includes the following steps: Step 1: Check whether the connections of all components of the equipment are firm, ensure that the main structures of the base (1), placement box (2), installation box (3), and filter box (4) are not loose. Conduct a power-on test on power equipment such as the first driving motor (12), air extraction pump (14), second driving motor (23), servo motor (26), and synchronous motor (43), and check whether the operation is normal. Clean the feed pipe (11) and the feed ramp plate (37), and place various raw materials required for superalloy smelting at the feed ramp plate (37). The raw materials should be prepared and classified according to a preset ratio and placed neatly; Step 2: By controlling the synchronous motor (43), drive the transmission shaft (44), and then push the connecting block (42), push plate (41), and fixing plate (46) to move to a suitable position. Adjust the second telescopic rod (47) to loosen the clamping plate (48). At this time, place the mold within the range where the clamping plate (48) can act. According to the shape and size of the mold, finely adjust the second telescopic rod (47) to firmly clamp the mold with the clamping plate (48); Step 3: Start the first driving motor (12). The first driving motor (12) drives the rotating rod (35) to rotate, and the threaded transmission shaft (36) on the outer wall of the rotating rod (35) rotates accordingly. Place the raw materials on the feed ramp plate (37). Under the action of the threaded transmission shaft (36), the raw materials are conveyed along the feed pipe (11) towards the smelting furnace (9), and the raw materials fall into the crucible (31) inside the smelting furnace (9) through the blanking pipe (34); Step 4: Close the top cover (10) to ensure good sealing of the smelting furnace (9). Start the air extraction pump (14). The air extraction pump (14) extracts the air in the smelting furnace (9) through the first air conveying pipe (13) and transports it to the filtration box (4) through the second air conveying pipe (15). Start the second drive motor (23). The second drive motor (23) drives the first rotating shaft (16) to rotate. The first meshing gear (17) on the outer wall of the first rotating shaft (16) rotates accordingly. Through meshing with the second meshing gear (18), it drives the second rotating shaft (19) to rotate, and then makes the first connecting ring (20) and the cleaning rod (21) rotate to pre-clean the two pairs of filter meshes (22) in the filtration box (4) to ensure effective filtration of the waste gas during the air extraction process. Step 5: Turn on the heater (33). The heater (33) supplies power to the induction heating coil (32). The induction heating coil (32) generates an alternating magnetic field around the crucible (31) to rapidly heat up the crucible (31) and the raw materials inside it. According to the smelting requirements of the superalloy, precisely control the power and heating time of the heater (33) to raise the temperature to the appropriate smelting temperature range. Start the servo motor (26). The servo motor (26) drives the rotating shaft (27) to rotate. The second connecting ring (28) and the stirring rod (29) on the outer wall of the rotating shaft (27) rotate accordingly to stir the superalloy raw materials in the crucible (31) to make the raw materials evenly heated and promote full mixing of the alloy components. Step 6: During the smelting process, continuously turn on the air extraction pump (14) to extract the waste gas generated in the smelting furnace (9). The waste gas enters the filtration box (4) through the first air conveying pipe (13) and the second air conveying pipe (15) and is filtered successively through the two pairs of filter meshes (22). During the filtration process, the second drive motor (23) keeps running to drive the cleaning rod (21) to continuously clean the impurities on the filter meshes. The filtered waste gas is discharged through the discharge port (5). Step 7: When the smelting is completed, stop the heater (33) and the servo motor (26). Wait for the crucible (31) and the superalloy to cool down to an appropriate temperature. By controlling the reverse rotation of the synchronous motor (43), drive the push plate (41), the fixed plate (46), and the clamped mold to move out of the placement box (2). When it moves to an appropriate position, adjust the second telescopic rod (47) to release the clamping plate (48), take out the mold, and perform subsequent processing on the smelted superalloy.

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