CN203222601U - Heating system for induction tempering - Google Patents
Heating system for induction tempering Download PDFInfo
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- CN203222601U CN203222601U CN2013201314971U CN201320131497U CN203222601U CN 203222601 U CN203222601 U CN 203222601U CN 2013201314971 U CN2013201314971 U CN 2013201314971U CN 201320131497 U CN201320131497 U CN 201320131497U CN 203222601 U CN203222601 U CN 203222601U
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- heating
- induction
- control cabinet
- variable frequency
- frequency control
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model provides a heating system for induction tempering. The heating system comprises a heating and preheating unit, a heating and temperature-increasing unit and an insulating unit which are connected in sequence and in series, wherein the heating and preheating unit is communicated with a feeding port; the insulating unit is communicated with a discharging port. The heating system provided by the utility model has the advantages that the through burning is carried out by high temperature for heating the surface, simultaneously the penetration depth of induction current is controlled by adjustment on different frequencies, so that the organic matching of heating with different depths is realized; the quantity of power supplies and the needed power and frequency for induction heating can be effectively predicted and optimized so as to adjust and control the depth gradient and the hardness gradient for heating parts.
Description
Technical field
The utility model relates to heating system, particularly a kind of heating system for induction tempering.
Background technology
Have an induction heating technology in mechanical workout, so-called induction heating namely refers to induce alternating magnetic field in the metal parts that passes wherein when electric current flows through ruhmkorff coil.This magnetic field induces vortex current again in metal parts.When this electric current was flowed through metal parts, heat had a resistance again.Thereby, realize the metal parts rapid heating.But because induction heating, skin effect is obvious, and surface temperature is higher.
Be conducive to the diathermanous fast of metal parts though quench when heating, traditional induction tempering mode often adopts single tempering power supply and power.This mode is difficult to overcome the effect of this skin effect, and often surface hardness descends comparatively fast, and total cross section is inhomogeneous, and only 1/3 place of core and radius thereof is more even, but 1/2 place of its radius is higher, and surface hardness obviously reduces again.Be unfavorable for very much combination of strength and toughness, over-all properties is bad.
The utility model content
The technical problems to be solved in the utility model is can only adopt single tempering power supply and power in the prior art in order to overcome, and making the defective that metal hardness descends provides a kind of heating system for induction tempering.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of heating system for induction tempering, its characteristics are, it comprises a heating preheating unit, heating temperature raising unit and a heat-insulation unit of series connection successively, described heating preheating unit is communicated with an opening for feed, and described heat-insulation unit is communicated with a discharge port.
Preferably, described heating preheating unit comprises one first induction heating device, one first capacitor box and one first variable frequency control cabinet, described first induction heating device is electrically connected with described first capacitor box, and described first capacitor box is electrically connected with the described first variable frequency control cabinet.
Preferably, described heating temperature raising unit comprises one second induction heating device, one second capacitor box and one second variable frequency control cabinet, described second induction heating device and described second capacitor box, and described second capacitor box is electrically connected with the described second variable frequency control cabinet.
Preferably, described heat-insulation unit comprises one the 3rd induction heating device, one the 3rd capacitor box and one the 3rd variable frequency control cabinet, described the 3rd induction heating device and described the 3rd capacitor box, and described the 3rd capacitor box is electrically connected with described the 3rd variable frequency control cabinet.
Preferably, described first induction heating device, described second induction heating device and described the 3rd induction heating device include the induction heater of several series connection, the described first variable frequency control cabinet is a high intermediate frequency housing, the described second variable frequency control cabinet is an intermediate frequency housing, and described the 3rd variable frequency control cabinet is a Low Medium Frequency housing.
Positive progressive effect of the present utility model is: the utility model is used for the heating system of induction tempering and burns thoroughly by surface heated comparatively high temps, adjusting by different frequency simultaneously to be controlling faradic penetration depth, thereby realizes organic cooperation of the heating of different depths.The number of power sources of induction heating, required power and frequency can effectively be predicted and optimize to described heating system, regulates and control the degree of depth and the hardness gradient of part heating with this.
Description of drawings
Fig. 1 is used for the structural representation of the heating system of induction tempering for the utility model.
Embodiment
Embodiment of the present utility model describes with reference to the accompanying drawings.In Figure of description, the element with similar structures or function will be used the components identical symbolic representation.Accompanying drawing is each embodiment of the present utility model for convenience of explanation just, is not to carry out the explanation of exhaustive to the utility model, neither limit scope of the present utility model.
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As shown in Figure 1, the heating system that the utility model is used for induction tempering comprises that a heating preheating unit, of series connection successively heats temperature raising unit and a heat-insulation unit, described heating preheating unit is communicated with an opening for feed 10, and described heat-insulation unit is communicated with a discharge port 30.
Wherein, described heating preheating unit comprises one first induction heating device 1, one first capacitor box 4 and one first variable frequency control cabinet 7.First induction heating device 1 is electrically connected with first capacitor box 4, and first capacitor box 4 is electrically connected with the first variable frequency control cabinet 7.Described heating temperature raising unit comprises that one second induction heating device 2, one second capacitor box 5 and one second variable frequency control cabinet, 8, the second induction heating devicees 2 and second capacitor box, 5, the second capacitor box 5 are electrically connected with the second variable frequency control cabinet 8.Described heat-insulation unit comprises that one the 3rd induction heating device 3, one the 3rd capacitor box 6 and one the 3rd variable frequency control cabinet, 9, the three induction heating devicees 3 and the 3rd capacitor box 6, the three capacitor box 6 are electrically connected with the 3rd variable frequency control cabinet 9.
Preferably, first induction heating device 1 comprises that induction heater 11, the second induction heating devicees 2 of several series connection comprise that induction heater 21, the three induction heating devicees 3 of several series connection comprise the induction heater 31 of several series connection.The first variable frequency control cabinet 7 is a high intermediate frequency housing, and the second variable frequency control cabinet 8 is an intermediate frequency housing, and the 3rd variable frequency control cabinet 9 is a Low Medium Frequency housing.This shows, in described preheating unit, described heating temperature raising unit and three groups of heating power supplies of the corresponding outfit of described heat-insulation unit and frequency, thereby can both obtain corresponding preheating when allowing part successively through these induction furnaces, burn thoroughly and be incubated three processes, realize the hardness of expection and the adjustment of tissue.
Particularly, according to different kinds, specification and hardness requirement, process furnace can be designed to 3 groups, every group of 4-10 ruhmkorff coil.Also 3 groups of corresponding outfits of heating power supply.Every assembly is equipped with a capacitor box, a frequency conversion tank.This heating system is adjusted hardness gradient by heating from outward appearance to inner essence, and power is according to material composition, and parameters such as durometer level and material diameter dispose, and the process furnace group power that part is introduced into during production should be greater than the stove group power of process subsequently.
The utility model carries out special design and optimization based on the characteristics of induction heating to power supply and the frequency of induction heating.Particularly, it disposes corresponding frequency and power at the demand of different specifications, kind and Hardness Distribution, and the change single heating is gradient-heated, thereby effectively realizes the improvement of hardness gradient.Compare with existing system, described heating system has only cover tempering stove and an a kind of frequency, and the present invention has three covers.Its beneficial effect is become skin surface and the low weakness of centre hardness that has well overcome single tempering system.Can realize total cross section hardness optimization and control by the regulation and control of power and frequency, reach best Performance Match.
Though more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (5)
1. a heating system that is used for induction tempering is characterized in that, it comprises a heating preheating unit, heating temperature raising unit and a heat-insulation unit of series connection successively, and described heating preheating unit is communicated with an opening for feed, and described heat-insulation unit is communicated with a discharge port.
2. the heating system for induction tempering as claimed in claim 1, it is characterized in that, described heating preheating unit comprises one first induction heating device, one first capacitor box and one first variable frequency control cabinet, described first induction heating device is electrically connected with described first capacitor box, and described first capacitor box is electrically connected with the described first variable frequency control cabinet.
3. the heating system for induction tempering as claimed in claim 2, it is characterized in that, described heating temperature raising unit comprises one second induction heating device, one second capacitor box and one second variable frequency control cabinet, described second induction heating device and described second capacitor box, described second capacitor box is electrically connected with the described second variable frequency control cabinet.
4. the heating system for induction tempering as claimed in claim 3, it is characterized in that, described heat-insulation unit comprises one the 3rd induction heating device, one the 3rd capacitor box and one the 3rd variable frequency control cabinet, described the 3rd induction heating device and described the 3rd capacitor box, described the 3rd capacitor box is electrically connected with described the 3rd variable frequency control cabinet.
5. the heating system for induction tempering as claimed in claim 4, it is characterized in that, described first induction heating device, described second induction heating device and described the 3rd induction heating device include the induction heater of several series connection, the described first variable frequency control cabinet is a high intermediate frequency housing, the described second variable frequency control cabinet is an intermediate frequency housing, and described the 3rd variable frequency control cabinet is a Low Medium Frequency housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201314971U CN203222601U (en) | 2013-03-21 | 2013-03-21 | Heating system for induction tempering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201314971U CN203222601U (en) | 2013-03-21 | 2013-03-21 | Heating system for induction tempering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203222601U true CN203222601U (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201314971U Expired - Fee Related CN203222601U (en) | 2013-03-21 | 2013-03-21 | Heating system for induction tempering |
Country Status (1)
| Country | Link |
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| CN (1) | CN203222601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850254A (en) * | 2020-08-17 | 2020-10-30 | 綦江重配齿轮有限公司 | Method for preventing spline shaft from medium-frequency quenching deformation |
-
2013
- 2013-03-21 CN CN2013201314971U patent/CN203222601U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850254A (en) * | 2020-08-17 | 2020-10-30 | 綦江重配齿轮有限公司 | Method for preventing spline shaft from medium-frequency quenching deformation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 |
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| CF01 | Termination of patent right due to non-payment of annual fee |