Adjusting structure of induction coil of intermediate frequency furnace

Abstract

The utility model discloses an adjusting structure for induction coils of an intermediate frequency furnace, which comprises an adjusting assembly, the adjusting assembly comprises a plurality of stabilizing rods and an adjusting rod, the plurality of stabilizing rods and the adjusting rod are uniformly arranged along the outer circumferences of a plurality of groups of induction coils, and each stabilizing rod and the adjusting rod are uniformly sleeved with a plurality of movable connecting blocks along the length direction of the stabilizing rod and the adjusting rod; and the plurality of connecting blocks on the same layer are fixedly arranged with the corresponding induction coils. A driving motor is controlled to start, so that the driving motor drives an adjusting rod to rotate, the adjusting rod rotates and drives a connecting block at the lowermost end to rotate through an external thread, under the action of a transmission pair and the connecting rod, a plurality of groups of induction coils are contracted or expanded in the length direction of the adjusting rod, and the density among the plurality of groups of induction coils is adjusted; and therefore, the heated position and the temperature distribution of the heating material can be conveniently controlled and adjusted, the heating effect of heating materials with different temperature requirements is improved, and meanwhile, the heating stability is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medium frequency furnace induction coils, in particular to an adjustment structure of a medium frequency furnace induction coil. Background Art

[0002] The induction coil of the medium frequency furnace is an important part of the medium frequency electric furnace. It is mainly made of copper tubes and wrapped with insulating materials. Its function is to generate an alternating magnetic field under the action of the medium frequency power supply, thereby generating eddy currents in the charge, heating and melting the charge. When using the medium frequency furnace, the induction coil needs to withstand a variety of harsh conditions such as high temperature, high voltage and high current. Therefore, high-quality insulating materials are required to ensure the safe and stable operation of the coil.

[0003] In the prior art, the density between the induction coils is not easy to adjust, and the heated position and temperature distribution of the heating material are not easy to control during the heating process. When heating materials with different temperature requirements, the heating effect of the induction coil on the heating material is not good, and the heating effect of the induction coil on the heating material is not stable enough.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The utility model provides an adjustment structure for an induction coil of a medium frequency furnace.

[0006] This application provides the following technical solutions:

[0007] An adjustment structure for an induction coil of a medium frequency furnace, comprising:

[0008] An adjustment component, the adjustment component includes a plurality of stabilizing rods and an adjustment rod, the plurality of stabilizing rods and the adjustment rods are evenly arranged along the outer circumference of the plurality of induction coils, the adjustment rods are movably arranged, the stabilizing rods are fixedly arranged, each stabilizing rod and the adjustment rod are evenly sleeved with a plurality of movable connecting blocks along their length direction, and the plurality of connecting blocks on the same layer are fixedly arranged with the corresponding induction coils;

[0009] The lower end of the adjusting rod is provided with a partial external thread, and an internal threaded hole is opened in the vertical direction in the connecting block at the lower end of the adjusting rod. The connecting block is threadedly connected to the adjusting rod. Multiple connecting blocks on the adjusting rod are hinged with connecting rods on the side facing away from the induction coil, and adjacent connecting rods are hinged. The uppermost connecting rod is fixed by a transmission pair, and the adjusting rod is driven by a driving motor.

[0010] Furthermore, it also includes an upper fixing plate and a lower fixing plate, each of which has a through hole in its center, and the upper fixing plate and the lower fixing plate are respectively located at the upper and lower ends of the plurality of induction coils;

[0011] The two ends of the stabilizing rod are respectively fixed to the bottom of the upper fixing plate and the upper end surface of the lower fixing plate, and the two ends of the adjusting rod are respectively rotatably arranged on the bottom of the upper fixing plate and the upper end surface of the lower fixing plate;

[0012] The transmission pair is fixedly arranged at the bottom of the upper fixed plate.

[0013] Further, a plurality of mounting rods are arranged between the upper fixing plate and the lower fixing plate, the plurality of mounting rods are evenly arranged along the circumferential direction of the induction coil, the plurality of mounting rods are located on a side of the connecting block away from the induction coil, and spiral cooling pipes are arranged on the plurality of mounting rods along their length direction;

[0014] The water inlet end of the spiral cooling pipe is connected with a water pumping component, and the water outlet end of the spiral cooling pipe is connected with a heat dissipation component.

[0015] Furthermore, the heat dissipation component includes a water return barrel, the bottom of the water return barrel has a through hole, the bottom of the water return barrel is provided with a connecting tube, the lower end of the connecting tube is connected to the through hole, and a coolant nozzle is provided in the connecting tube;

[0016] A guide cover is arranged at the upper end of the return water bucket, a nozzle is arranged inside the guide cover, the nozzle is connected with a first connecting pipe, the first connecting pipe is connected with the spiral cooling pipe, the lower end peripheral wall of the return water bucket is connected with a second connecting pipe, the second connecting pipe is connected with the pumping assembly.

[0017] Furthermore, the water pumping assembly includes a water storage tank, in which a water pump is arranged, and a water outlet end of the water pump is connected to the spiral cooling pipe.

[0018] Furthermore, the transmission pair includes a fixed rod and a transmission rod, the fixed rod is vertically arranged at the bottom of the upper fixed plate, one end of the transmission rod is hinged to the end of the fixed rod away from the upper fixed plate, and the other end of the transmission rod is hinged to a nearby connecting rod.

[0019] By adopting the above technical solution, the utility model has the following beneficial effects:

[0020] When it is necessary to adjust the density between multiple groups of induction coils, the control driving motor is started, so that the driving motor drives the adjusting rod to rotate, and the adjusting rod rotates through the external thread and the connecting block at the lower end to screw, and under the action of the transmission pair and the connecting rod, the multiple connecting blocks are contracted or expanded along the length direction of the adjusting rod, thereby driving the multiple groups of induction coils to contract or expand along the length direction of the adjusting rod, adjusting the spacing between the multiple groups of induction coils, and adjusting the density between the multiple groups of induction coils, thereby facilitating the control and adjustment of the heated position and temperature distribution of the heating material, improving the heating effect when heating materials with different temperature requirements, and also improving the heating stability.

[0021] The specific implementation modes of the present utility model are further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0023] Figure 1 A schematic diagram of the structure of the adjustment structure of the medium frequency furnace induction coil provided in this embodiment of the present application;

[0024] Figure 2 This is a schematic diagram of the assembly of the adjustment structure adjustment component and the induction coil of the medium frequency furnace induction coil provided in this embodiment of the present application;

[0025] Figure 3 A schematic diagram of the structure of the heat dissipation assembly of the adjustment structure of the medium frequency furnace induction coil provided in this embodiment of the present application;

[0026] Figure 4 for Figure 3 A cross-sectional view of a heat dissipation component of an adjustment structure of an induction coil of a medium frequency furnace is provided.

[0027] Figure numerals: 1. upper fixing plate; 2. lower fixing plate; 3. induction coil; 4. adjustment assembly; 5. spiral cooling pipe; 6. mounting rod; 7. pumping assembly; 8. heat dissipation assembly; 9. second connecting pipe; 10. first connecting pipe; 41. adjustment rod; 42. connecting block; 43. connecting rod; 44. driving motor; 45. external thread; 46. stabilizing rod; 47. transmission pair; 81. return water bucket; 82. deflector cover; 83. connecting tube; 84. coolant nozzle.

[0028] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0029] See also Figures 1 to 4As shown, the embodiment of the present application provides an adjustment structure of the induction coil of a medium frequency furnace, including an adjustment component 4, the adjustment component 4 includes a plurality of stabilizing rods 46 and an adjustment rod 41, the plurality of stabilizing rods 46 and the adjustment rods 41 are evenly arranged along the outer circumference of the plurality of groups of induction coils 3, the adjustment rod 41 is movably arranged, the stabilizing rod 46 is fixedly arranged, each stabilizing rod 46 and the adjustment rod 41 are evenly sleeved with a plurality of movable connecting blocks 42 along their length direction, the plurality of connecting blocks 42 on the same layer are fixedly arranged with the corresponding induction coils 3, the lower end of the adjustment rod 41 is provided with a partial external thread 45, the inner side of the connecting block 42 at the lower end of the adjustment rod 41 is provided with an internal threaded hole in the vertical direction, the connecting block 42 is threadedly connected to the adjustment rod 41, the plurality of connecting blocks 42 on the adjustment rod 41 are hinged with connecting rods 43 on the side facing away from the induction coil 3, the adjacent connecting rods 43 are hinged, the uppermost connecting rod 43 is fixedly arranged by a transmission pair 47, and the adjustment rod 41 is driven by a driving motor 44.

[0030] In the above scheme, when it is necessary to adjust the density between the multiple groups of induction coils 3, the control driving motor 44 is started, so that the driving motor 44 drives the adjusting rod 41 to rotate, and the adjusting rod 41 rotates through the external thread 45 and drives the connecting block 42 at the lower end to screw, and under the action of the transmission pair 47 and the connecting rod 43, the multiple connecting blocks 42 are contracted or expanded along the length direction of the adjusting rod 41, thereby driving the multiple groups of induction coils 3 to contract or expand along the length direction of the adjusting rod 41, and adjusting the spacing between the multiple groups of induction coils 3. The density between the multiple groups of induction coils 3 is adjusted, and then it is convenient to control and adjust the heated position and temperature distribution of the heating material, thereby improving the heating effect when heating materials with different temperature requirements, and also improving the heating stability.

[0031] In some possible implementations, see Figure 1 and Figure 2 As shown, it also includes an upper fixing plate 1 and a lower fixing plate 2. A through hole is opened in the center of the upper fixing plate 1 and the lower fixing plate 2. The diameter of the through hole is not less than the diameter of the inner diameter of the induction coil 3. The upper fixing plate 1 and the lower fixing plate 2 are respectively located at the upper and lower ends of the multiple groups of induction coils 3. The two ends of the stabilizing rod 46 are respectively fixed to the bottom of the upper fixing plate 1 and the upper end surface of the lower fixing plate 2. The two ends of the adjusting rod 41 are respectively rotatably arranged at the bottom of the upper fixing plate 1 and the upper end surface of the lower fixing plate 2. The transmission pair 47 is fixedly arranged at the bottom of the upper fixing plate 1.

[0032] In the above scheme, the stabilizing rod 46 is fixedly arranged at the bottom of the upper fixing plate 1 and the upper end surface of the lower fixing plate 2 to fix and install the adjustment assembly 4 as a whole. The two ends of the adjustment rod 41 are rotatably arranged at the bottom of the upper fixing plate 1 and the upper end surface of the lower fixing plate 2, so that the adjustment rod 41 can rotate, and then the multiple groups of induction coils 3 are respectively fixed to the inner sides of the multiple connecting blocks 42 of each layer to complete the fixing and installation of the induction coils 3.

[0033] In some possible implementations, see Figure 1 and Figure 2 As shown, a plurality of mounting rods 6 are arranged between the upper fixing plate 1 and the lower fixing plate 2, the plurality of mounting rods 6 are evenly arranged along the circumferential direction of the induction coil 3, the plurality of mounting rods 6 are located on the side of the connecting block 42 away from the induction coil 3, a spiral cooling pipe 5 is arranged on the plurality of mounting rods 6 along the length direction thereof, a water inlet end of the spiral cooling pipe 5 is connected to a water pumping assembly 7, and a water outlet end of the spiral cooling pipe 5 is connected to a heat dissipation assembly 8.

[0034] In the above scheme, multiple mounting rods 6 are used to fix the spiral cooling tube 5, so that the spiral cooling tube 5 is fixedly mounted on the outside of the multiple groups of induction coils 3; then, through the provided pumping assembly 7 and heat dissipation assembly 8, the pumping assembly 7 is started to pump and transport water into the spiral cooling tube 5. After flowing through the spiral cooling tube 5, the water enters the heat dissipation assembly 8 to dissipate the heat of the water that has absorbed the heat. The liquid after the heat dissipation is then transported to the pumping assembly 7 for recycling.

[0035] In some possible implementations, see Figure 3 and Figure 4 As shown, the heat dissipation component 8 includes a water return barrel 81, the bottom of the water return barrel 81 has a through hole, the bottom of the water return barrel 81 is provided with a connecting tube 83, the height size of the water return barrel 81 and the connecting tube 83 can be set, the lower end of the connecting tube 83 is connected to the through hole, the cavity between the connecting tube 83 and the water return barrel 81 is a water return cavity, and a coolant nozzle 84 is provided in the connecting tube 83, and the coolant nozzle 84 is connected to an external coolant storage tank. The coolant can be a liquid, such as commonly used light water, heavy water or liquid metal sodium, and the coolant can also be a solid, such as commonly used aluminum hydroxide, aluminum fluoride, oxygen When solid coolants are used, it is necessary to filter the solid coolant particles in the pumping assembly 7 to prevent clogging. A guide cover 82 is provided at the upper end of the return water bucket 81. The guide cover 82 is truncated cone-shaped and has a hollow structure inside. A nozzle is provided in the guide cover 82. The nozzle is connected to a first connecting pipe 10. The first connecting pipe 10 is connected to the spiral cooling pipe 5. The lower end peripheral wall of the return water bucket 81 is connected to a second connecting pipe 9. A mixed flow pump is also provided in the return water chamber. The second connecting pipe 9 is connected to the pumping assembly 7, and the water outlet end of the mixed flow pump is connected to the second connecting pipe 9.

[0036] In the above scheme, after water flows through the spiral cooling tube 5, it absorbs part of the heat on the surface of the induction coil 3, flows out through the first connecting tube 10 and is sprayed out through the nozzle, diffuses and flows along the inner wall of the guide cover 82, and at the same time, the coolant nozzle 84 sprays the coolant to the inner wall of the guide cover 82 to mix with the water to absorb the heat in the water, and flows into the return water chamber, and then the water in the return water chamber is transported to the pumping assembly 7 through the second connecting tube 9 and the mixed flow pump.

[0037] The pumping assembly 7 includes a water tank, in which a water pump (not shown) is arranged. The water outlet of the water pump is connected to the spiral cooling tube 5 , and the water pump provides power for the flow of water inside the spiral cooling tube 5 .

[0038] The transmission pair 47 includes a fixed rod and a transmission rod. The fixed rod is vertically arranged at the bottom of the upper fixed plate 1. One end of the transmission rod is hinged to the end of the fixed rod away from the upper fixed plate 1, and the other end of the transmission rod is hinged to the adjacent connecting rod 43.

[0039] When it is necessary to adjust the density between the multiple groups of induction coils 3, the control driving motor 44 is started, so that the driving motor 44 drives the adjusting rod 41 to rotate, and the adjusting rod 41 rotates through the external thread 45 and drives the lowermost connecting block 42 to screw, and under the action of the transmission pair 47 and the connecting rod 43, the multiple connecting blocks 42 are contracted or expanded along the length direction of the adjusting rod 41, thereby driving the multiple groups of induction coils 3 to contract or expand along the length direction of the adjusting rod 41, and adjusting the spacing between the multiple groups of induction coils 3. The density between the multiple groups of induction coils 3 is adjusted, and then it is convenient to control and adjust the heated position and temperature distribution of the heating material, thereby improving the heating effect and heating stability when heating materials with different temperature requirements.

[0040] This specific embodiment is merely an explanation of the utility model, and it is not a limitation of the utility model. After reading this specification, those skilled in the art can make non-creative modifications to the embodiment as needed, but as long as it is within the protection scope of the utility model, it is protected by the patent law.

Claims

1. An adjustment structure for an induction coil of a medium frequency furnace, characterized in that: The invention comprises an adjustment component (4), wherein the adjustment component (4) comprises a plurality of stabilizing rods (46) and an adjustment rod (41), wherein the plurality of stabilizing rods (46) and the adjustment rod (41) are evenly arranged along the outer circumference of a plurality of groups of induction coils (3), the adjustment rods (41) are movably arranged, and the stabilizing rods (46) are fixedly arranged, and each of the stabilizing rods (46) and the adjustment rod (41) is evenly sleeved with a plurality of movable connecting blocks (42) along the length direction thereof, and the plurality of connecting blocks (42) on the same layer are fixedly arranged with the corresponding induction coils (3); The lower end of the adjusting rod (41) is provided with a partial external thread (45); an internal thread hole is provided in the vertical direction in the connecting block (42) at the lower end of the adjusting rod (41); the connecting block (42) is threadedly connected to the adjusting rod (41); a plurality of connecting blocks (42) on the adjusting rod (41) are hingedly connected to connecting rods (43) on the side facing away from the induction coil (3); adjacent connecting rods (43) are hingedly connected; the uppermost connecting rod (43) is fixedly arranged via a transmission pair (47); and the adjusting rod (41) is driven by a driving motor (44).

2. The adjustment structure of the medium frequency furnace induction coil according to claim 1 is characterized in that: It also comprises an upper fixing plate (1) and a lower fixing plate (2), wherein the upper fixing plate (1) and the lower fixing plate (2) are both provided with through holes at their centers, and the upper fixing plate (1) and the lower fixing plate (2) are respectively located at the upper and lower ends of the plurality of groups of induction coils (3); The two ends of the stabilizing rod (46) are respectively fixed to the bottom of the upper fixing plate (1) and the upper end surface of the lower fixing plate (2), and the two ends of the adjusting rod (41) are respectively rotatably arranged on the bottom of the upper fixing plate (1) and the upper end surface of the lower fixing plate (2); The transmission pair (47) is fixedly arranged on the bottom of the upper fixed plate (1).

3. The adjustment structure of the medium frequency furnace induction coil according to claim 2 is characterized in that: A plurality of mounting rods (6) are arranged between the upper fixing plate (1) and the lower fixing plate (2); the plurality of mounting rods (6) are evenly arranged along the circumferential direction of the induction coil (3); the plurality of mounting rods (6) are located on a side of the connecting block (42) away from the induction coil (3); and spiral cooling pipes (5) are arranged on the plurality of mounting rods (6) along their length direction; The water inlet end of the spiral cooling pipe (5) is connected to a water pumping assembly (7), and the water outlet end of the spiral cooling pipe (5) is connected to a heat dissipation assembly (8).

4. The adjustment structure of the medium frequency furnace induction coil according to claim 3 is characterized in that: The heat dissipation component (8) comprises a water return barrel (81), the bottom of the water return barrel (81) has a through hole, the bottom of the water return barrel (81) is provided with a connecting tube (83), the lower end of the connecting tube (83) is connected to the through hole, and a coolant nozzle (84) is provided in the connecting tube (83); The upper end of the return water bucket (81) is provided with a flow guide cover (82), a nozzle is provided inside the flow guide cover (82), the nozzle is connected to a first connecting pipe (10), the first connecting pipe (10) is connected to the spiral cooling pipe (5), the lower end peripheral wall of the return water bucket (81) is connected to a second connecting pipe (9), the second connecting pipe (9) is connected to the pumping assembly (7).

5. The adjustment structure of the medium frequency furnace induction coil according to claim 4 is characterized in that: The water pumping assembly (7) comprises a water storage tank, a water pump is arranged in the water storage tank, and the water outlet end of the water pump is connected to the spiral cooling pipe (5).

6. The adjustment structure of the medium frequency furnace induction coil according to claim 2 is characterized in that: The transmission pair (47) comprises a fixing rod and a transmission rod, wherein the fixing rod is vertically arranged at the bottom of the upper fixing plate (1), one end of the transmission rod is hinged to the end of the fixing rod facing away from the upper fixing plate (1), and the other end of the transmission rod is hinged to a nearby connecting rod (43).

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