Vacuum remelting furnace sample melting machine
By increasing friction through protrusions and anti-slip particle layers in the vacuum remelting furnace, combined with cylinder drive and sealing plate control, the problem of metal spillage caused by crucible loosening was solved, thus improving the stability and efficiency of sample processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN KUSTER INSTR TECH CO LTD
- Filing Date
- 2025-08-29
- Publication Date
- 2026-07-14
AI Technical Summary
Existing vacuum remelting furnaces are prone to loosening when the crucible is swung, resulting in spillage of molten metal and low sample processing efficiency.
A vacuum remelting furnace sample melting machine was designed. By setting protrusions and anti-slip particle layers in the high-frequency heating tank to increase friction, the crucible is in close contact with the high-frequency heating tank. Combined with the automatic control of the cylinder-driven telescopic rod and sealing plate, the stability of the crucible is ensured. The heating efficiency is improved by the heat-conducting layer, and multiple samples can be processed simultaneously.
It improves the stability of the crucible, prevents molten metal from spilling, significantly improves sample processing efficiency, and makes operation more convenient.
Smart Images

Figure CN224499066U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sample preparation equipment technology, and in particular to a vacuum remelting furnace sample melting machine. Background Technology
[0002] In fields such as steel, metallurgy, chemical industry, geology, cement, ceramics and refractory materials, it is often necessary to heat and melt solid or powdered raw materials such as ores, rocks, soil, refractory materials and metallurgical raw materials to make samples of a certain size so as to analyze the substances represented by the samples.
[0003] In the prior art, Chinese Patent Publication No. CN210243331U discloses a high-frequency melting machine. A high-frequency melting machine includes a melting machine housing, a high-frequency power supply, and an infrared thermometer. It also includes a high-frequency melting section disposed within the melting machine housing. The high-frequency melting section includes a crucible support and a crucible section. The crucible section includes a single crucible section and a double crucible section. The single crucible section includes a single crucible and a single high-frequency induction coil, while the double crucible section includes two crucibles and two high-frequency induction coils. One of the single crucible section and the double crucible section is selectively mounted on the crucible support. The single high-frequency induction coil and the double high-frequency induction coil are electrically connected to the high-frequency power supply. A crucible rotation stepper motor is disposed on one side of the crucible support, and this motor is connected to a first transmission mechanism. A crucible swing stepper motor is disposed at the lower part of the crucible support, and this motor is connected to a second transmission mechanism. A control device is also disposed within the melting machine housing, and a touch screen is disposed on the melting machine housing. The touch screen is connected to the control device via a signal connection.
[0004] However, in actual use, when the crucible is swung, the swaying has a certain amplitude, and the crucible is prone to loosening from the support, which can easily cause the molten metal to spill. Therefore, improvements are needed. Utility Model Content
[0005] The purpose of this invention is to provide a vacuum remelting furnace sample melting machine, which has the advantages of strong crucible stability, preventing molten metal from spilling, and high sample processing efficiency.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a vacuum remelting furnace sample melting machine includes a machine body, a melting furnace groove is opened at the top of the machine body, a swing rod is rotatably connected to the inner wall of the melting furnace groove, a heating tube is fixedly connected to the outer surface of the swing rod, a high-frequency heating groove is fixedly connected to the outer surface of the heating tube, a protrusion is fixedly connected to the inner wall of the high-frequency heating groove, an anti-slip particle layer is fixedly connected to the outer surface of the protrusion, a crucible is inserted into the inner wall of the high-frequency heating groove, a frosted groove is opened on the outer surface of the crucible, and a high-frequency heating wire is arranged inside the high-frequency heating groove.
[0007] By adopting the above technical solution, when using the crucible, the bottom is inserted into the high-frequency heating tank, the inner wall of the high-frequency heating tank is in close contact with the crucible, the protrusion is inserted into the frosted groove, and the anti-slip particle layer and the frosted groove make frictional contact, forming greater resistance and increasing friction, so that the crucible is more stable after installation. The sample is placed in the crucible, and there are four crucibles, so four samples can be processed at the same time. The four workstations work synchronously in the same environment, and the sample processing efficiency is high. The crucible is swung by the swing rod, and the high-frequency heating wire heats the high-frequency heating tank and the heating tube at the same time. The crucible is more stable when swung and will not be thrown out of the high-frequency heating tank, preventing molten metal from spilling. Multiple crucibles are integrated into one unit and can be removed from the high-frequency heating tank at the same time, making the operation more convenient.
[0008] A further feature of this invention is that a drive groove is provided on the top of the machine body, and a cylinder is fixedly connected to the inner wall of the drive groove.
[0009] By adopting the above technical solution, there are two drive slots, and two cylinders are installed symmetrically.
[0010] A further feature of this invention is that a telescopic rod is fixedly connected to the output end of the cylinder, and a sealing plate is fixedly connected to the top of the telescopic rod.
[0011] By adopting the above technical solution, the cylinder drives the telescopic rod to extend and retract, automatically controlling the lifting and lowering of the sealing plate.
[0012] A further feature of this invention is that a sealing cap is fixedly connected to one end of the sealing plate, and an observation port is provided on the top of the sealing cap.
[0013] By adopting the above technical solution, the sealing cover can be raised and lowered, and the observation port facilitates the observation of the metal processing status.
[0014] A further feature of this invention is that an observation cover is fixedly connected to the top of the observation port, and the number of observation covers is eight.
[0015] By adopting the above technical solution, the observation cover facilitates the observation of the molten state of the metal during the swinging process.
[0016] A further feature of this invention is that a heat-conducting layer is fixedly connected to the inner wall of the crucible, and an anti-stick coating layer is provided on the inner wall of the heat-conducting layer.
[0017] By adopting the above technical solution, the thermal conductivity of the heat-conducting layer is increased, resulting in higher heating efficiency.
[0018] A further feature of this invention is that a fixing ring is fixedly connected to the top of the crucible, and an insertion hole is provided on the top of the fixing ring.
[0019] By adopting the above technical solution, each of the four crucibles has a fixing ring on its top, and the cross-section of the insertion hole is circular.
[0020] A further feature of this invention is that a plug is inserted into the inner wall of the socket, a fixing cap is fitted onto the bottom of the plug, and a connecting rod is fixedly connected to the top of the plug.
[0021] By adopting the above technical solution, the plug is inserted into the socket and fixed at the bottom by the fixing cap, thereby connecting multiple crucibles with the connecting rod.
[0022] A further feature of this invention is that a driven gear is fixedly connected to one end of the swing rod, and a driving gear meshes with the outer surface of the driven gear.
[0023] By adopting the above technical solution, the driving gear reciprocates, driving the driven gear to rotate and oscillate.
[0024] A further feature of this invention is that a swing motor is fixedly connected inside the body, and a rotating shaft is fixedly connected to the output end of the swing motor.
[0025] By adopting the above technical solution, the swing motor drives the rotating shaft to rotate, enabling it to rotate clockwise and counterclockwise.
[0026] The beneficial effects of this utility model are:
[0027] 1. This utility model, through the coordinated arrangement of the machine body, melting furnace tank, swing rod, heating tube, high-frequency heating tank, protrusions, anti-slip particle layer, crucible, frosted tank, and high-frequency heating wire, enables the device to be used by the operator. The bottom of the crucible is inserted into the high-frequency heating tank, with the inner wall of the high-frequency heating tank tightly against the crucible. The protrusions are inserted into the frosted tank, and the anti-slip particle layer and the frosted tank rub against each other, creating significant resistance and increasing friction, resulting in strong stability after installation. Samples are placed into the crucibles; four crucibles are used, allowing for simultaneous processing of four samples. The four workstations operate synchronously in the same environment, resulting in high sample processing efficiency. The swing rod drives the crucible to swing, and the high-frequency heating wire heats the high-frequency heating tank, while the heating tube heats the furnace. During swinging, the crucibles are highly stable and will not be thrown out of the high-frequency heating tank, preventing molten metal from spilling. Multiple crucibles are integrated into a single unit, allowing for simultaneous removal from the high-frequency heating tank, making operation more convenient.
[0028] 2. This utility model, through the coordinated arrangement of the drive groove, cylinder, telescopic rod, sealing plate, sealing cover, observation port, observation hood, heat-conducting layer, anti-stick coating layer, fixing ring, insertion hole, plug, fixing cap, connecting rod, driven gear, driving gear, swing motor, and rotating shaft, enables the device to operate with two drive grooves and two symmetrically distributed cylinders. The cylinders drive the telescopic rod to extend and retract, automatically controlling the lifting and lowering of the sealing plate. The sealing cover can also be lifted and lowered. The observation port facilitates observation of the metal's processing state. During swinging, the observation hood facilitates observation of the metal's melting state. The heat-conducting layer increases thermal conductivity and heating efficiency. Each of the four crucibles has a fixing ring on its top. The insertion hole has a circular cross-section, and the plug is inserted into the insertion hole. The bottom is fixed by the fixing cap. Thus, the connecting rod connects multiple crucibles. The driving gear reciprocates, driving the driven gear to rotate and swing. The swing motor drives the rotating shaft to rotate, enabling both forward and reverse rotation. Attached Figure Description
[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0030] Figure 1 This is a schematic diagram of the structure of this utility model;
[0031] Figure 2 This is a schematic diagram of the internal structure of this utility model;
[0032] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;
[0033] Figure 4 This is a schematic diagram of the crucible structure of this utility model.
[0034] In the diagram, 1. Body; 2. Furnace tank; 3. Swing rod; 4. Heating tube; 5. High-frequency heating tank; 6. Protrusion; 7. Anti-slip particle layer; 8. Crucible; 9. Frosting tank; 10. High-frequency heating wire; 11. Drive tank; 12. Cylinder; 13. Telescopic rod; 14. Sealing plate; 15. Sealing cover; 16. Observation port; 17. Observation cover; 18. Heat-conducting layer; 19. Anti-stick coating layer; 20. Fixing ring; 21. Socket; 22. Plug; 23. Fixing cap; 24. Connecting rod; 25. Driven gear; 26. Driven gear; 27. Swing motor; 28. Rotating shaft. Detailed Implementation
[0035] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0036] Reference Figure 1-4A vacuum remelting furnace sample melting machine includes a body 1, a melting furnace tank 2 at the top of the body 1, a swing rod 3 rotatably connected to the inner wall of the melting furnace tank 2, a heating tube 4 fixedly connected to the outer surface of the swing rod 3, a high-frequency heating groove 5 fixedly connected to the outer surface of the heating tube 4, a protrusion 6 fixedly connected to the inner wall of the high-frequency heating groove 5, an anti-slip particle layer 7 fixedly connected to the outer surface of the protrusion 6, a crucible 8 inserted into the inner wall of the high-frequency heating groove 5, a frosted groove 9 on the outer surface of the crucible 8, and a high-frequency heating wire 10 inside the high-frequency heating groove 5. When in use, the bottom of the crucible 8 is inserted into the high-frequency heating groove 5, the inner wall of the high-frequency heating groove 5 is in close contact with the crucible 8, the protrusion 6 is inserted into the frosted groove 9, and the anti-slip particle layer 7 and the frosted groove 9 make frictional contact, forming a... The increased friction creates greater resistance, resulting in stronger stability of the crucible 8 after installation. Four crucibles (8 in total) are placed inside, allowing for simultaneous processing of four samples. The four workstations operate synchronously under the same environment, leading to higher sample processing efficiency. The crucible 8 is oscillated by the swing rod 3, and the high-frequency heating wire 10 heats the high-frequency heating tank 5, while the heating tube 4 also heats the tank. The oscillation of the crucible 8 ensures its stability, preventing it from being thrown out of the high-frequency heating tank 5 and spilling molten metal. Multiple crucibles 8 are integrated into a single unit, allowing for simultaneous removal from the high-frequency heating tank 5, making operation more convenient. The top of the machine body 1 has a drive groove 11, with a cylinder 12 fixedly connected to the inner wall of the drive groove 11. There are two drive grooves 11, symmetrically arranged. Two cylinders 12 are installed on the crucible 8. A telescopic rod 13 is fixedly connected to the output end of each cylinder 12. A sealing plate 14 is fixedly connected to the top of the telescopic rod 13. The cylinders 12 drive the telescopic rod 13 to extend and retract, automatically controlling the raising and lowering of the sealing plate 14. A sealing cover 15 is fixedly connected to one end of the sealing plate 14. An observation port 16 is provided on the top of the sealing cover 15. The sealing cover 15 can be raised and lowered. The observation port 16 facilitates observation of the metal's processing state. Eight observation covers 17 are fixedly connected to the top of the observation port 16. During the swinging motion, the observation covers 17 facilitate observation of the metal's molten state. A heat-conducting layer 18 is fixedly connected to the inner wall of the crucible 8. An anti-stick coating layer 19 is provided on the inner wall of the heat-conducting layer 18. The heat-conducting layer 18 increases thermal conductivity and improves heating efficiency. A fixing ring 20 is fixedly connected to the top of each of the four crucibles 8. The top of the fixing ring 20 has an insertion hole 21. Each of the four crucibles 8 has a fixing ring 20 on its top. The insertion hole 21 has a circular cross-section. A plug 22 is inserted into the inner wall of the insertion hole 21. A fixing cap 23 is fitted onto the bottom of the plug 22. A connecting rod 24 is fixedly connected to the top of the plug 22. The plug 22 is inserted into the insertion hole 21 and fixed at the bottom by the fixing cap 23, thus connecting the multiple crucibles 8 via the connecting rod 24. A driven gear 25 is fixedly connected to one end of the swing rod 3. A driving gear 26 meshes with the outer surface of the driven gear 25. The driving gear 26 reciprocates, driving the driven gear 25 to rotate and swing. A swing motor 27 is fixedly connected inside the machine body 1. A rotating shaft 28 is fixedly connected to the output end of the swing motor 27.The oscillating motor 27 drives the rotating shaft 28 to rotate, enabling it to rotate clockwise and counterclockwise.
[0037] In this invention, the coordinated arrangement of the body 1, furnace tank 2, swing rod 3, heating tube 4, high-frequency heating tank 5, protrusion 6, anti-slip particle layer 7, crucible 8, frosted groove 9, and high-frequency heating wire 10 allows the device to be used effectively. When the operator inserts the crucible 8 into the high-frequency heating tank 5, the inner wall of the high-frequency heating tank 5 is tightly fitted to the crucible 8, the protrusion 6 is inserted into the frosted groove 9, and the anti-slip particle layer 7 and the frosted groove 9 create frictional contact, generating significant resistance and increasing friction, thus enhancing the stability of the crucible 8 after installation. The sample is placed in crucible 8. There are four crucibles 8, allowing for the simultaneous processing of four samples. The four workstations operate synchronously in the same environment, resulting in high sample processing efficiency. The crucible 8 is oscillated by the swing rod 3. The high-frequency heating wire 10 heats the high-frequency heating tank 5, while the heating tube 4 also heats the tank. During oscillation, the crucible 8 maintains strong stability and will not be thrown out of the high-frequency heating tank 5, preventing molten metal from spilling. Multiple crucibles 8 are integrated into a single unit, allowing for simultaneous removal from the high-frequency heating tank 5, making operation more convenient. This is achieved through the drive groove 1. 1. The arrangement of cylinder 12, telescopic rod 13, sealing plate 14, sealing cover 15, observation port 16, observation cover 17, heat-conducting layer 18, anti-stick coating layer 19, fixing ring 20, insertion hole 21, plug 22, fixing cap 23, connecting rod 24, driven gear 25, driving gear 26, swing motor 27, and rotating shaft 28 allows the device to operate with two drive slots 11, symmetrically installed with two cylinders 12. Cylinders 12 drive the telescopic rod 13 to extend and retract, automatically controlling the raising and lowering of the sealing plate 14 and the sealing cover 15. 5. It can be raised and lowered. The observation port 16 is convenient for observing the processing state of the metal. When swinging, the observation cover 17 is convenient for observing the melting state of the metal. The heat-conducting layer 18 increases the heat conductivity and the heating efficiency is higher. The top of each of the four crucibles 8 has a fixing ring 20. The cross-section of the insertion hole 21 is circular. The plug 22 is inserted into the insertion hole 21 and the bottom is fixed by the fixing cap 23. Thus, the connecting rod 24 connects multiple crucibles 8. The driving gear 26 reciprocates and drives the driven gear 25 to rotate and swing. The swing motor 27 drives the rotating shaft 28 to rotate, which can rotate forward and backward.
[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A vacuum remelting furnace sample melting machine, comprising a machine body (1), characterized in that: The top of the machine body (1) is provided with a furnace tank (2), the inner wall of the furnace tank (2) is rotatably connected with a swing rod (3), the outer surface of the swing rod (3) is fixedly connected with a heating tube (4), the outer surface of the heating tube (4) is fixedly connected with a high-frequency heating tank (5), the inner wall of the high-frequency heating tank (5) is fixedly connected with a protrusion (6), the outer surface of the protrusion (6) is fixedly connected with an anti-slip particle layer (7), the inner wall of the high-frequency heating tank (5) is inserted with a crucible (8), the outer surface of the crucible (8) is provided with a frosted groove (9), and the inside of the high-frequency heating tank (5) is provided with a high-frequency heating wire (10).
2. The vacuum remelting furnace sample melting machine according to claim 1, characterized in that: The top of the body (1) is provided with a drive groove (11), and a cylinder (12) is fixedly connected to the inner wall of the drive groove (11).
3. The vacuum remelting furnace sample melting machine according to claim 2, characterized in that: The output end of the cylinder (12) is fixedly connected to a telescopic rod (13), and the top of the telescopic rod (13) is fixedly connected to a sealing plate (14).
4. The vacuum remelting furnace sample melting machine according to claim 3, characterized in that: One end of the sealing plate (14) is fixedly connected to a sealing cover (15), and an observation port (16) is provided on the top of the sealing cover (15).
5. A vacuum remelting furnace sample melting machine according to claim 4, characterized in that: An observation cover (17) is fixedly connected to the top of the observation port (16), and there are eight observation covers (17).
6. The vacuum remelting furnace sample melting machine according to claim 1, characterized in that: The inner wall of the crucible (8) is fixedly connected to a heat-conducting layer (18), and the inner wall of the heat-conducting layer (18) is provided with an anti-stick coating layer (19).
7. The vacuum remelting furnace sample melting machine according to claim 1, characterized in that: A fixing ring (20) is fixedly connected to the top of the crucible (8), and an insertion hole (21) is provided on the top of the fixing ring (20).
8. A vacuum remelting furnace sample melting machine according to claim 7, characterized in that: A plug (22) is inserted into the inner wall of the socket (21), a fixing cap (23) is fitted onto the bottom of the plug (22), and a connecting rod (24) is fixedly connected to the top of the plug (22).
9. A vacuum remelting furnace sample melting machine according to claim 1, characterized in that: One end of the swing rod (3) is fixedly connected to a driven gear (25), and the outer surface of the driven gear (25) is meshed with a driving gear (26).
10. A vacuum remelting furnace sample melting machine according to claim 1, characterized in that: A swing motor (27) is fixedly connected inside the body (1), and a rotating shaft (28) is fixedly connected to the output end of the swing motor (27).