CN218321511U - Magnetic quenching device adopting medium-frequency induction device - Google Patents
Magnetic quenching device adopting medium-frequency induction device Download PDFInfo
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- CN218321511U CN218321511U CN202222689729.7U CN202222689729U CN218321511U CN 218321511 U CN218321511 U CN 218321511U CN 202222689729 U CN202222689729 U CN 202222689729U CN 218321511 U CN218321511 U CN 218321511U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses an adopt intermediate frequency induction system's magnetic quenching device, it belongs to magnetic quenching technical field, including intermediate frequency power, electric capacity cabinet and induction coil group, the utility model discloses induction coil group includes a plurality of induction coil of group, and every induction coil of group overlaps in proper order and establishes, can improve intermediate frequency current widely to produce very high magnetic field, induction coil establishes to the copper pipe, and the circulation has recirculated cooling water in the copper pipe, the utility model discloses every induction coil of group equally divides and does not is equipped with independent water inlet and delivery port, so that the cooling of copper pipe, induction coil group center is equipped with the quenching groove, is equipped with recirculated cooling water or quenching liquid in the quenching groove, because the structure through the coil makes the intermediate space big, through having set up the quenching groove, has satisfied and has carried out magnetic quenching to medium-sized or large-scale work piece.
Description
Technical Field
The utility model relates to a magnetic quenching technical field, concretely relates to adopt intermediate frequency induction system's magnetic quenching device.
Background
Magnetic quenching is a new heat treatment method for improving the mechanical property of metal materials by using the action of a magnetic field, and is commonly called magnetic field heat treatment or a Behcet method. The magnetic field heat treatment process comprises magnetic field annealing, magnetic field heating quenching, magnetic field tempering and the like.
Magnetic field quenching (quenching a heated workpiece in a quenching medium with a magnetic field) can significantly improve the tensile strength and the elongation after fracture, and the strengthening effect is increased along with the increase of the carbon content in the steel and the magnetic field strength. The workpiece quenched by the magnetic field still has good plasticity and toughness, low notch sensitivity and small quenching distortion, and can also eliminate tempering brittleness, make the performances of all parts uniform and the like.
At present, magnetic field quenching process equipment is still in a development stage, and only two experimental process equipment exist: one is a square coil excitation device, and the other is a circular coil excitation device, the square coil excitation device adopts iron core and other ferromagnetic materials, the magnetic field intensity of the square coil excitation device is limited by the magnetic saturation of the ferromagnetic materials, and the square coil excitation device cannot be too large, and the maximum value is 1.3-1.7 Tesla; the circular coil excitation adopts 50hz alternating current, adopts a solid wire, is limited by heat dissipation, has no too large current of only dozens of amperes, and cannot meet the quenching requirement of large products because the magnetic field intensity of the existing device is small and the size of a quenching tank is small at present.
Aiming at the problems in the prior art, the utility model designs and manufactures the magnetic quenching device adopting the medium-frequency induction device to overcome the defects.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides an adopt intermediate frequency induction system's magnetic quenching device can carry out the magnetic quenching to the work piece of great size and handle.
In order to realize the purpose, the utility model discloses a technical scheme as follows: a magnetic quenching device adopting a medium-frequency induction device comprises a medium-frequency power supply, a capacitor cabinet and an induction coil set, wherein the induction coil set comprises a plurality of groups of induction coils, each group of induction coils is sequentially sleeved with each other, the induction coils are copper pipes, and circulating cooling water flows through the copper pipes;
the induction coil group is characterized in that a quenching tank is arranged in the center of the induction coil group, and circulating cooling water or quenching liquid is arranged in the quenching tank.
Preferably, a spray head is arranged at the top of the quenching tank, and the spray head can spray cooling water or quenching liquid.
Preferably, each group of induction coils is provided with an independent water inlet and an independent water outlet respectively.
Preferably, the quenching device further comprises a water cooling system, and the water cooling system is used for providing cooling water for the copper pipe, the quenching tank and the spray head.
Preferably, the water cooling system also provides cooling water for the capacitor cabinet and the intermediate frequency power supply.
Preferably, the induction coil set comprises at least three sets of induction coils.
Preferably, the wall thickness of the copper tube is set to be 2mm.
Preferably, the radial width of the copper pipe is set to be 12mm, the gap between each adjacent group of induction coils is 2mm, and the inner diameter of the induction coil at the innermost layer is 310mm.
Preferably, the axial height of the copper tube is 18mm, the turn gap is set to be 1.7mm, and each group of the induction coils is set to be 26 turns.
Preferably, the intermediate frequency power supply is 100Hz/150kw.
The utility model discloses an useful part lies in:
the utility model discloses an intermediate frequency power is output, uses multilayer water-cooling induction coil as the load, can improve intermediate frequency current widely to produce very high magnetic field, and the coil intermediate space is big, through setting up the quenching groove, has satisfied and has carried out the magnetic quenching to medium-sized or large-scale work piece.
Drawings
FIG. 1 is a schematic view of a magnetic quenching apparatus using a medium frequency induction apparatus.
In the figure: 1-an intermediate frequency power supply, 2-a capacitor cabinet, 3-a water cooling system, 4-an induction coil set and 5-a quenching tank.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an adopt magnetic quenching device of intermediate frequency induction system, including intermediate frequency power supply 1, electric capacity cabinet 2 and induction coil group 4, the utility model discloses induction coil group 4 includes a plurality of groups induction coil, and every group induction coil overlaps in proper order and establishes, and induction coil establishes to the copper pipe, and the circulation has recirculated cooling water in the copper pipe, and above-mentioned structure can improve intermediate frequency current widely to produce very high magnetic field, the utility model discloses every group induction coil equally divides do not to be equipped with independent water inlet and delivery port, so that the cooling of copper pipe, induction coil group 4 center is equipped with quenching tank 5, is equipped with recirculated cooling water or quenching liquid in the quenching tank 5, owing to make the intermediate space big through the structure of coil, through having set up quenching tank 5, has satisfied and has carried out the magnetic quenching to medium-sized or large-scale work piece.
For further quenching and cooling, the top of the quenching tank 5 of the utility model can be also provided with a spray head which can spray cooling water or quenching liquid.
The quenching device further comprises a water cooling system 3, wherein the water cooling system 3 provides cooling water for the copper pipe, the quenching tank 5 and the spray head, and the water cooling system 3 also provides cooling water for the capacitor cabinet 2 and the medium-frequency power supply 1.
The utility model discloses induction coil group 4 includes three induction coil of group at least, and following embodiment uses three induction coil of group as the example.
The medium-frequency power supply 1 is 100Hz/150kw, the wall thickness of a copper pipe is set to be 2mm, the radial width of the copper pipe is set to be 12mm, the gap between each adjacent group of induction coils is 2mm, the inner diameter of the innermost induction coil is 310mm, the axial height of the copper pipe is 18mm, the turn gap is set to be 1.7mm, and each group of induction coils is set to be 26 turns.
And (3) verifying the inductance value: according to the equivalent average diameter of 350mm, the thickness of 40mm of the 3-layer coil and the number of turns of 78, the inductance can be calculated to be 1030 microhenries, and the design requirement of the intermediate frequency power supply 1 is met. And (3) verifying the current density: the water passing area of the copper pipe is 112mm 2 Conductive area 104mm 2 Current density 15A/mm 2 And the requirements are met.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Moreover, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the scope of the protection defined by the claims appended to this application.
Claims (10)
1. A magnetic quenching device adopting a medium-frequency induction device is characterized by comprising a medium-frequency power supply, a capacitor cabinet and an induction coil group, wherein the induction coil group comprises a plurality of groups of induction coils, each group of induction coils is sequentially sleeved with each other, the induction coils are copper pipes, and circulating cooling water flows through the copper pipes;
the induction coil group is characterized in that a quenching tank is arranged in the center of the induction coil group, and circulating cooling water or quenching liquid is arranged in the quenching tank.
2. The magnetic quenching device adopting the medium frequency induction device as claimed in claim 1, wherein a spray head is arranged at the top of the quenching tank, and the spray head can spray cooling water or quenching liquid.
3. The magnetic quenching device adopting the intermediate frequency induction device as claimed in claim 1, wherein each set of the induction coils is provided with an independent water inlet and an independent water outlet respectively.
4. The magnetic quenching device adopting the medium-frequency induction device as claimed in claim 2, further comprising a water cooling system, wherein the water cooling system provides cooling water for the copper pipe, the quenching tank and the spray head.
5. The magnetic quenching device adopting the medium frequency induction device as claimed in claim 4, wherein the water cooling system further provides cooling water for the capacitor box and the medium frequency power supply.
6. The induction hardening apparatus using intermediate frequency induction apparatus according to claim 1, wherein said induction coil set comprises at least three sets of induction coils.
7. The magnetic quenching device adopting the medium frequency induction device as claimed in claim 1, wherein the wall thickness of the copper tube is set to be 2mm.
8. The magnetic quenching device adopting the intermediate frequency induction device as claimed in claim 7, wherein the radial width of the copper tube is set to 12mm, the gap between each adjacent group of induction coils is 2mm, and the inner diameter of the innermost layer of the induction coils is 310mm.
9. A magnetic quenching device using medium frequency induction device according to claim 8, characterized in that the axial height of the copper tube is 18mm, the turn gap is set to 1.7mm, and each set of the induction coils is set to 26 turns.
10. The induction hardening apparatus using a medium frequency induction apparatus according to claim 9, wherein said medium frequency power source is 100Hz/150kw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689729.7U CN218321511U (en) | 2022-10-12 | 2022-10-12 | Magnetic quenching device adopting medium-frequency induction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689729.7U CN218321511U (en) | 2022-10-12 | 2022-10-12 | Magnetic quenching device adopting medium-frequency induction device |
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| Publication Number | Publication Date |
|---|---|
| CN218321511U true CN218321511U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222689729.7U Active CN218321511U (en) | 2022-10-12 | 2022-10-12 | Magnetic quenching device adopting medium-frequency induction device |
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| CN (1) | CN218321511U (en) |
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2022
- 2022-10-12 CN CN202222689729.7U patent/CN218321511U/en active Active
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