CN211823860U - Novel intermediate frequency induction furnace - Google Patents
Novel intermediate frequency induction furnace Download PDFInfo
- Publication number
- CN211823860U CN211823860U CN202020537626.7U CN202020537626U CN211823860U CN 211823860 U CN211823860 U CN 211823860U CN 202020537626 U CN202020537626 U CN 202020537626U CN 211823860 U CN211823860 U CN 211823860U
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- furnace
- connecting rod
- cover
- furnace body
- intermediate frequency
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- 230000006698 induction Effects 0.000 title claims abstract description 65
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 3
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 241000270295 Serpentes Species 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a novel intermediate frequency induction furnace, establish the furnace body on the support including the rotating turret, the one end of furnace body is passed through reduction gear one and is connected with motor one, belongs to induction furnace technical field. The top of the furnace body of the novel medium-frequency induction furnace is provided with a furnace cover, and the furnace cover is connected with the furnace body through a cover opening mechanism. The cover opening mechanism comprises a first connecting rod and a second connecting rod which are arranged on two sides of the furnace cover, one end of the first connecting rod is rotatably connected with a first connecting lug arranged on the rear part of the furnace cover, the other end of the first connecting rod is connected with a second motor through a second speed reducer, and the second motor and the second speed reducer are both arranged on an installation plate fixedly connected with the furnace body; one end of the second connecting rod is rotatably connected with a second connecting lug arranged at the front part of the furnace cover, and the other end of the second connecting rod is rotatably connected with a connecting seat fixed on the furnace body. The utility model adopts the above structure novel intermediate frequency induction furnace can solve the lower problem of current intermediate frequency induction furnace heating efficiency.
Description
Technical Field
The utility model belongs to the technical field of induction furnace device technique and specifically relates to a novel intermediate frequency induction furnace is related to.
Background
The medium frequency induction furnace is a power supply device which converts power frequency 50HZ alternating current into medium frequency (more than 300HZ to 20KHZ), converts three-phase power frequency alternating current into direct current after rectification, then converts the direct current into adjustable medium frequency current, supplies the medium frequency alternating current flowing through a capacitor and an induction coil, generates high-density magnetic lines in the induction coil, cuts metal materials contained in the induction coil, generates great eddy current and generates heat in the metal materials, and achieves the purposes of heating and melting the metal. The medium frequency electric furnace is mainly used for smelting carbon steel, alloy steel and special steel, and can also be used for smelting nonferrous metals such as copper, aluminum and the like. The medium frequency induction furnace has the advantages of small volume, light weight, high efficiency, less power consumption, quick melting and temperature rise, easy control of furnace temperature, high production efficiency and the like.
The furnace mouth of current intermediate frequency induction furnace is open more, influences the rising of temperature in the furnace, leads to heating efficiency lower to open furnace mouth also has great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel intermediate frequency induction furnace solves the lower problem of current intermediate frequency induction furnace heating efficiency.
In order to achieve the purpose, the utility model provides a novel medium frequency induction furnace, which comprises a furnace body rotationally erected on a bracket, wherein one end of the furnace body is connected with a motor I through a reducer I, a furnace cover is arranged at the top of the furnace body, and the furnace cover is connected with the furnace body through a cover opening mechanism;
the cover opening mechanism comprises a first connecting rod and a second connecting rod which are arranged on two sides of the furnace cover, one end of the first connecting rod is rotatably connected with a first connecting lug arranged on the rear part of the furnace cover, the other end of the first connecting rod is connected with a second motor through a second speed reducer, and the second motor and the second speed reducer are both arranged on an installation plate fixedly connected with the furnace body; one end of the second connecting rod is rotatably connected with a second connecting lug arranged at the front part of the furnace cover, and the other end of the second connecting rod is rotatably connected with a connecting seat fixed on the furnace body.
Preferably, the furnace body comprises a furnace shell and a furnace lining, an induction coil is arranged between the furnace shell and the furnace lining, and the induction coil is spirally wound outside the furnace lining; a magnetic yoke is arranged between the induction coil and the furnace shell, and a clamping groove for placing the induction coil is arranged on the side surface of the magnetic yoke close to the induction coil.
Preferably, the yokes are arranged in a circumferential array on the outside of the induction coil.
Preferably, the magnetic yoke comprises a silicon steel sheet at the center, the two sides of the silicon steel sheet are provided with shells, a cooling water pipe for cooling is arranged between the shells and the silicon steel sheet, and the cooling water pipe is connected with an external refrigerating device.
Preferably, the shell is made of stainless steel, and the cooling water pipes are distributed between the silicon steel sheets and the shell in a snake shape.
A novel intermediate frequency induction furnace, the top of furnace body is provided with the bell, is connected through mechanism of uncapping between bell and the furnace body, mechanism of uncapping goes on through motor one, does not need staff direct contact, has improved the security. The bell can reduce the thermal loss in the furnace, improves heating efficiency. Be provided with the yoke between the induction coil of furnace body and the stove outer covering, the yoke is provided with the recess of placing induction coil near one side of induction coil, has increased yoke and induction coil's area of contact, has reduced the magnetic leakage, and is effectual in gathering the molten bath to the magnetic line of force, improvement heating efficiency. And the magnet yoke effectively prevents the furnace shell from heating, and improves the service life of the furnace shell.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a novel intermediate frequency induction furnace of the present invention;
fig. 2 is a schematic structural view of a cover opening mechanism of an embodiment of the novel medium frequency induction furnace of the present invention;
FIG. 3 is a schematic view of a longitudinal cross-sectional structure of a furnace body according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a furnace body according to an embodiment of the present invention;
fig. 5 is the schematic view of the magnetic yoke structure of the embodiment of the novel medium frequency induction furnace of the present invention.
Reference numerals
1. A support; 2. a furnace body; 3. a furnace cover; 4. a first speed reducer; 5. a first motor; 6. mounting a plate; 7. a second speed reducer; 8. a first connecting rod; 9. a first connecting lug; 10. a connecting seat; 11. a second connecting rod; 12. a second connecting lug; 13. a second motor; 14. a furnace mouth; 15. a hearth; 16. a furnace lining; 17. an induction coil; 18. a magnetic yoke; 19. a furnace shell; 20. a housing; 21. silicon steel sheets; 22. a cooling water pipe; 23. a clamping groove.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of the novel intermediate frequency induction furnace of the present invention. As shown in the figure, a novel intermediate frequency induction furnace, including the furnace body 2 of rotating rack on support 1, the fixed pivot that is provided with in both sides of furnace body 2, the pivot passes through the bearing rotation with support 1 and is connected. One end of the furnace body 2 is connected with a motor 5 through a speed reducer 4, and an output shaft of the speed reducer 4 is fixedly connected with a rotating shaft on the furnace body 2. The first motor 5 drives the furnace body 2 to rotate through the first speed reducer 4, and liquid in the hearth 15 flows out from the furnace mouth 14. The top of the furnace body 2 is provided with a furnace cover 3, and the furnace cover 3 is connected with the furnace body 2 through a cover opening mechanism.
Fig. 2 is the structural schematic diagram of the cover opening mechanism of the embodiment of the novel medium frequency induction furnace of the utility model. As shown in the figure, the cover opening mechanism comprises a first connecting rod 8 and a second connecting rod 11 which are arranged on two sides of the furnace cover 3, and the length of the first connecting rod 8 is larger than that of the second connecting rod 11. One end of the first connecting rod 8 is rotatably connected with a first connecting lug 9 arranged at the rear part of the furnace cover 3, and the first connecting lug 9 is welded and fixed on the furnace cover 3. The other end of the first connecting rod 8 is connected with a second motor 13 through a second speed reducer 7, the second motor 13 and the second speed reducer 7 are both arranged on the mounting plate 6, and the mounting plate 6 is fixed on the furnace body 2. The two ends of the first connecting rod 8 are fixedly provided with pin shafts, the first connecting lugs 9 are provided with holes into which the pin shafts are inserted, and the hole diameter of each hole is slightly larger than the diameter of each pin shaft, so that the pin shafts can freely rotate in the holes. One end of the second connecting rod 11 is rotatably connected with a second connecting lug 12 arranged at the front part of the furnace cover 3, and the second connecting lug 12 is fixedly connected with the furnace cover 3. The other end of the second connecting rod 11 is rotatably connected with a connecting seat 10 fixed on the furnace body 2. The two ends of the second connecting rod 11 are fixedly provided with pin shafts, the second connecting lug 12 and the connecting seat 10 are respectively provided with an opening, and the diameter of each opening is slightly larger than the diameter of each pin shaft, so that the pin shafts can freely rotate in the openings. When the furnace cover is used, the second motor 13 drives the second connecting rod 11 to rotate through the second speed reducer 7, the second connecting rod 11 drives the rear part of the furnace cover 3 to ascend, the second connecting rod 11 has a supporting function on the front part of the furnace cover 3, and along with the rotation of the second connecting rod 11, the furnace cover 3 is moved away from a furnace opening in the top of the furnace body 2 and can be used for adding raw materials into the furnace chamber 15. The furnace cover 3 can reduce the heat loss in the hearth 15 and improve the heating efficiency.
Fig. 3 is the utility model relates to a furnace body longitudinal section structure sketch map of novel intermediate frequency induction furnace embodiment, fig. 4 is the utility model relates to a furnace body cross section structure sketch map of novel intermediate frequency induction furnace embodiment. As shown in the figure, the furnace body 2 comprises a furnace shell 19 and a furnace lining 16, the furnace shell 19 is positioned at the outermost side of the furnace body 2, and the furnace shell 19 is made of stainless steel. The furnace lining 16 is located at the innermost side of the furnace body 2 and forms a hearth 15 for heating or melting metal. The furnace lining 16 is made of quartz sand through pressing and sintering. An induction coil 17 is arranged between the furnace shell 19 and the furnace lining 16, and the induction coil 17 is spirally wound outside the furnace lining 16. Depending on the size of the furnace lining 16, the induction coil 17 may be wound in sections outside the furnace lining 16. The electrodes of the induction coil 17 are connected to an external power supply to heat the material in the furnace 15. The induction coil 17 is formed by winding a copper pipe, and the end of the copper pipe is communicated with an external refrigerating device through a water-cooling cable and used for cooling the copper pipe. The connection mode of the induction coil 17, the external power supply and the water-cooling cable is the prior art, the refrigeration device is also the prior art, the prior model is selected according to the requirement, and the description is omitted.
A magnetic yoke 18 is arranged between the induction coil 17 and the furnace shell 19, and the magnetic yoke 18 is distributed in a circumferential array outside the induction coil 17. The yoke 18 is fixedly connected to the induction coil 17 by a clip or a screw in the related art, and supports the induction coil 17. The side face of the magnetic yoke 18 close to the induction coil 17 is provided with a clamping groove 23 for placing the induction coil 17, so that the contact area of the induction coil 17 and the magnetic yoke 18 is increased, and the magnetic leakage is reduced.
Fig. 5 is the schematic view of the magnetic yoke structure of the embodiment of the novel medium frequency induction furnace of the present invention. As shown in the figure, the magnetic yoke 18 includes a silicon steel sheet 21 at the center, a shell 20 is disposed on two sides of the silicon steel sheet 21, and the shell 20 and the silicon steel sheet 21 are fixedly connected by bolts or clamped by a clamp in the prior art. The shell 20 is made of stainless steel, and the silicon steel sheet 21 is a cold rolled silicon steel sheet 21 with high magnetic permeability. A cooling water pipe 22 for cooling is arranged between the shell 20 and the silicon steel sheet 21, and the cooling water pipe 22 is a copper pipe. The cooling water pipe 22 is connected with an external refrigerating device, and the existing structure is selected for the refrigerating device. The cooling water pipes 22 are distributed in a serpentine shape between the silicon steel sheets 21 and the shell 20, and are used for cooling the silicon steel sheets 21 and the stainless steel shell 20. The magnetic yoke 18 can reduce magnetic leakage, effectively gather magnetic lines of force into a molten pool and improve heating efficiency; effectively preventing the furnace shell 19 from heating and prolonging the service life of the furnace shell 19.
Therefore, the utility model adopts the above structure novel intermediate frequency induction furnace can solve the lower problem of current intermediate frequency induction furnace heating efficiency.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a novel intermediate frequency induction furnace, includes that the rotating turret establishes the furnace body on the support, and the one end of furnace body is passed through reduction gear one and is connected its characterized in that with motor one: the top of the furnace body is provided with a furnace cover, and the furnace cover is connected with the furnace body through a cover opening mechanism;
the cover opening mechanism comprises a first connecting rod and a second connecting rod which are arranged on two sides of the furnace cover, one end of the first connecting rod is rotatably connected with a first connecting lug arranged on the rear part of the furnace cover, the other end of the first connecting rod is connected with a second motor through a second speed reducer, and the second motor and the second speed reducer are both arranged on an installation plate fixedly connected with the furnace body; one end of the second connecting rod is rotatably connected with a second connecting lug arranged at the front part of the furnace cover, and the other end of the second connecting rod is rotatably connected with a connecting seat fixed on the furnace body.
2. The novel intermediate frequency induction furnace of claim 1, characterized in that: the furnace body comprises a furnace shell and a furnace lining, an induction coil is arranged between the furnace shell and the furnace lining, and the induction coil is spirally wound outside the furnace lining; a magnetic yoke is arranged between the induction coil and the furnace shell, and a clamping groove for placing the induction coil is arranged on the side surface of the magnetic yoke close to the induction coil.
3. The novel intermediate frequency induction furnace of claim 2, characterized in that: the magnetic yokes are distributed outside the induction coil in a circumferential array.
4. The novel intermediate frequency induction furnace of claim 2, characterized in that: the magnetic yoke comprises a silicon steel sheet at the center, shells are arranged on two sides of the silicon steel sheet, a cooling water pipe for cooling is arranged between each shell and the silicon steel sheet, and the cooling water pipe is connected with an external refrigerating device.
5. The novel intermediate frequency induction furnace of claim 4, characterized in that: the shell is made of stainless steel, and the cooling water pipes are distributed between the silicon steel sheets and the shell in a snake shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020537626.7U CN211823860U (en) | 2020-04-13 | 2020-04-13 | Novel intermediate frequency induction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020537626.7U CN211823860U (en) | 2020-04-13 | 2020-04-13 | Novel intermediate frequency induction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211823860U true CN211823860U (en) | 2020-10-30 |
Family
ID=73143041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020537626.7U Expired - Fee Related CN211823860U (en) | 2020-04-13 | 2020-04-13 | Novel intermediate frequency induction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211823860U (en) |
-
2020
- 2020-04-13 CN CN202020537626.7U patent/CN211823860U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |