CN210202119U - Experimental device for be used for bevel gear dual-frenquency induction heating - Google Patents
Experimental device for be used for bevel gear dual-frenquency induction heating Download PDFInfo
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- CN210202119U CN210202119U CN201920397712.XU CN201920397712U CN210202119U CN 210202119 U CN210202119 U CN 210202119U CN 201920397712 U CN201920397712 U CN 201920397712U CN 210202119 U CN210202119 U CN 210202119U
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Abstract
An experimental device for double-frequency induction heating of a bevel gear mainly comprises a bevel gear mounting fixed shaft, a horizontal lead screw, a vertical moving platform, a pair of meshing gears, an intermediate-frequency profiling coil and a high-frequency profiling coil. The bevel gear is fixed on the movable platform by the bevel gear fixing shaft, when the bevel gear is heated, the bevel gear is moved to the high-frequency profiling coil from the assembling position by the three-dimensional movable platform to be heated, after the bevel gear is heated to a certain temperature, the bevel gear is moved to the medium-frequency profiling coil by the three-dimensional movable platform to be heated, the operation is repeated in a circulating mode until the heating is finished, and finally the bevel gear is moved to a position needing to be disassembled. The device can realize double-frequency induction heating of the bevel gear by adjusting the frequency ratio of high frequency to medium frequency, so that the tooth root and the tooth surface are uniformly heated, the strength and the service life of the bevel gear are enhanced, and the heating efficiency is improved. Simultaneously, the bevel gear is more convenient to mount and dismount, and time is saved.
Description
Technical Field
The utility model discloses the device is a novel electromagnetic induction heating device, especially is used for large-scale heavy bevel gear electromagnetic induction heating's experimental apparatus.
Background
In recent years, with the development of equipment manufacturing industries such as transportation, aviation, engineering machinery and the like, the demand of China on gears is more and more, and the demand is higher and higher. The gear is the most widely applied transmission part in the modern industrial field, and has the advantages of compact structure, stable operation, high power, high reliability, long service life and the like, and the tooth surface of the gear bears great bending stress and contact stress in the working process, so that the gear can often have the conditions of tooth breakage, tooth breakage and serious surface abrasion, and cannot be used continuously, and the methods for improving the tooth surface strength, the abrasion resistance and the like are favorable for improving the quality and the service life of the gear. In the gear surface hardening processing technology, quenching is one of the main processing modes, induction heating quenching is one of four basic processes, the traditional induction heating quenching is adopted and is influenced by skin effect, sharp angle effect and the like of induction heating, the surface of the gear is complex, the structure is concave-convex, and when the traditional induction heating quenching is adopted, the surface temperature of the gear is often uneven, the tooth surface and the tooth root cannot be hardened simultaneously, so that the quality defects of insufficient tooth surface wear resistance and contact fatigue strength, residual stress increase at the tooth root, insufficient bending fatigue resistance hardness and the like are caused, the scrapping or the service life of the gear is shortened, and the normal use is influenced. The double-frequency induction heating can realize uniform heating of the tooth root and the tooth surface of the gear by adjusting the process parameters such as the frequency ratio of high frequency and medium frequency, and the like, thereby effectively solving the problems.
Disclosure of Invention
To the above not enough, the utility model discloses the device provides a novel experimental apparatus that is used for the double-frenquency induction heating of bevel gear.
The device of the utility model mainly comprises a three-dimensional moving platform, a profile modeling induction heating coil and a magnetizer. A magnetizer is arranged on the profiling induction coil, one coil is connected with a high-frequency alternating current power supply, the other coil is connected with a medium-frequency alternating current power supply, the high-frequency induction coil heats the surface of the bevel gear to the required temperature, the bevel gear is moved to the medium-frequency induction coil by using a three-dimensional moving platform to heat the inside of the gear and the tooth root of the gear, the bevel gear is moved to the high-frequency induction coil to be heated after being heated to the required temperature, and the tooth surface and the tooth root of the bevel gear can be uniformly heated after reciprocating for many times.
The utility model discloses the device includes following technical scheme: the induction coil is respectively connected with a high-frequency power supply and a medium-frequency power supply and is provided with a magnetizer. The three-dimensional moving platform enables the bevel gear to move back and forth in the medium-high frequency induction coil, so that the tooth surface and the tooth root of the bevel gear are sufficiently and uniformly heated, and meanwhile, the mounting and dismounting of the bevel gear are more convenient.
The utility model discloses the advantage and the positive effect that technical scheme that the device provided brought:
1. double-frequency heating uses high-frequency alternating current induction to heat the surface of the gear, and intermediate-frequency alternating current induction heats deeper parts and tooth roots of the surface of the gear, so that the whole gear is heated more uniformly.
2. The profile modeling induction heating coil is additionally provided with the magnetizer, so that the tooth surface and the tooth root of the gear can be heated more quickly and sufficiently, and the heating efficiency is improved.
3. The three-dimensional moving platform enables the bevel gear to be mounted and dismounted more conveniently, and enables the bevel gear to move back and forth between the high-frequency induction coil and the medium-frequency induction coil.
Drawings
The device of the present invention will be further explained with reference to the drawings and the embodiments.
Figure 1 is an isometric view of a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of the installation mode of the bevel gear and the installation mode of the profiling coil magnetizer of the device.
Fig. 3 is a schematic view showing the installation manner of the copying coil of the present invention.
FIG. 1, base; 2. a three-dimensional moving platform guide rail; 3. a three-dimensional moving platform stepping motor; 4. rotating the drive gear; 5. a bevel gear; 6. rotating the driven gear; 7. a moving wheel for moving the platform in a vertical direction; 8. a fixed shaft is arranged on the lead screw 9 and the bevel gear in the Y direction; 10. a lead screw in the X direction; 11. the bevel gear is provided with fixed shaft fixed teeth; 12. the bevel gear is provided with a fixed shaft positioner; 13. profiling coil magnetizers; 14. a high-frequency profiling coil; 15. the profiling coil is connected with a power supply; 16. an insulating block; 17. moving the platform in a vertical direction; 18. intermediate frequency copying coil.
Detailed Description
As shown in fig. 1, 2 and 3, the high-frequency profiling induction coil 14 is fixed on the moving platform through an insulating block 16, and the induction coil 14 is provided with a magnetizer 13. The medium frequency profiling induction coil 18 is also mounted in the same way.
First, the bevel gear 5 is assembled with the bevel gear mounting fixed shaft 9 by using the bevel gear mounting fixed shaft fixing teeth 11 and the bevel gear mounting fixed shaft locator 12.
Secondly, when the bevel gear 5 is electromagnetically heated, the lead screw 10 in the X direction and the lead screw 8 in the Y direction operate, the rotating driving gear 4 drives the rotating driven gear 6 to rotate the vertical moving platform 17, meanwhile, the vertical moving platform 17 feeds, the bevel gear 5 is driven to the high-frequency profiling induction coil 14 from the installation position to be switched on for heating, after the temperature is heated to the required temperature, the lead screw 10 in the X direction and the lead screw 8 in the Y direction operate to enable the bevel gear to withdraw from the high-frequency profiling coil 14, the rotating driving gear 4 drives the rotating driven gear 6 to enable the vertical moving platform 17 to rotate 90 degrees anticlockwise, the bevel gear 5 is moved to the intermediate-frequency profiling induction coil 18, the lead screw 10 in the X direction and the lead screw 8 in the Y direction operate to move the bevel gear 5 into the intermediate-frequency profiling coil 18, the power supply is switched on for heating, and after, the lead screw 10 in the X direction and the lead screw 8 in the Y direction run, the bevel gear 5 withdraws from the middle-frequency profiling coil 18, the rotary driving gear 4 drives the rotary driven gear 6 to rotate, the vertical moving platform 17 rotates 90 degrees clockwise, the lead screw 10 in the X direction and the lead screw 8 in the Y direction run to move the bevel gear to the high-frequency profiling coil 14 for reheating, and the bevel gear 5 can be heated uniformly on the tooth surface and the tooth root by repeating for many times. After the heating is finished, the screw 10 in the X direction and the screw 8 in the Y direction are operated again to drive the rotary driven gear 6 by the rotary driving gear 4, so that the vertical moving platform 17 rotates, and simultaneously the vertical moving platform 17 is fed to move the bevel gear to a required position.
Claims (1)
1. The utility model provides an experimental apparatus for be used for double-frenquency induction heating of bevel gear, mainly include bevel gear installation fixed axle, the horizontal direction lead screw, vertical direction moving platform, a pair of meshing gear, intermediate frequency profile modeling coil and high frequency profile modeling coil, this experimental apparatus can adjust the high frequency, the double-frenquency induction heating of bevel gear is realized to intermediate frequency's frequency ratio, characterized by bevel gear installation fixed axle passes through bolted connection and fixes in vertical direction moving platform top, a pair of meshing gear is mutually supported and the gear wheel rigid coupling is in vertical direction moving platform below, whole vertical direction moving platform passes through bolted connection and assembles on the horizontal direction lead screw, horizontal direction lead screw rigid coupling is installed on the base, intermediate frequency profile modeling coil and high frequency profile modeling coil pass through bolted connection and install on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397712.XU CN210202119U (en) | 2019-03-27 | 2019-03-27 | Experimental device for be used for bevel gear dual-frenquency induction heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397712.XU CN210202119U (en) | 2019-03-27 | 2019-03-27 | Experimental device for be used for bevel gear dual-frenquency induction heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210202119U true CN210202119U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920397712.XU Expired - Fee Related CN210202119U (en) | 2019-03-27 | 2019-03-27 | Experimental device for be used for bevel gear dual-frenquency induction heating |
Country Status (1)
| Country | Link |
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| CN (1) | CN210202119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981081A (en) * | 2021-02-05 | 2021-06-18 | 东北大学秦皇岛分校 | Double-frequency automatic induction heating device and method for spiral bevel gear |
| CN113122686A (en) * | 2021-04-16 | 2021-07-16 | 东北大学 | Synchronous induction heating device for gear and using method |
| CN113151658A (en) * | 2021-04-19 | 2021-07-23 | 东北大学 | Uniform self-control gear heat treatment device and method based on asynchronous dual-frequency induction heating |
-
2019
- 2019-03-27 CN CN201920397712.XU patent/CN210202119U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981081A (en) * | 2021-02-05 | 2021-06-18 | 东北大学秦皇岛分校 | Double-frequency automatic induction heating device and method for spiral bevel gear |
| CN113122686A (en) * | 2021-04-16 | 2021-07-16 | 东北大学 | Synchronous induction heating device for gear and using method |
| CN113151658A (en) * | 2021-04-19 | 2021-07-23 | 东北大学 | Uniform self-control gear heat treatment device and method based on asynchronous dual-frequency induction heating |
| CN113151658B (en) * | 2021-04-19 | 2022-07-22 | 东北大学 | Uniform self-control gear heat treatment device and method based on asynchronous dual-frequency induction heating |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |