CN103820626B - Chain heating method and device - Google Patents
Chain heating method and device Download PDFInfo
- Publication number
- CN103820626B CN103820626B CN201210460547.0A CN201210460547A CN103820626B CN 103820626 B CN103820626 B CN 103820626B CN 201210460547 A CN201210460547 A CN 201210460547A CN 103820626 B CN103820626 B CN 103820626B
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- China
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- heating
- power supply
- chain
- lgbt
- heating zone
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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 invention relates to the field of machining, in particular to a chain heating method and device. The method comprises the steps of quenching and tempering, wherein the quenching procedure is performed by adopting an induction heating manner and comprises four phases: firstly, preheating, particularly, heating under the Curie temperature; secondly, heating, wherein the heating temperature is the sum of the Austenitic transition temperature and 50 DEG C, thirdly, integral heating of a chain ring, and fourthly, heating of the straight-flange of the chain ring; the tempering procedure is performed by adopting an induction heating manner, and the heating temperature is 420 to 450 DEG C. A power supply for induction heating is LGBT (Insulated Gate Bipolar Transistor) power supply, and comprises a LGBT inversion module.
Description
Technical field
The present invention relates to field of machining, particularly relate to the method and apparatus of a kind of chain heating.
Background technology
Round-link chain has irregular profile, indefinite length, the linker of different cross-sectional.At the volley through quenching, tempering twice heating.
Chain link surface hardness after thermal treatment and physical strength Spreading requirements on same part has certain difference, and current device and technique all do not reach such requirement.
Summary of the invention
The object of invention: in order to provide a kind of metallographic structure more reasonable, chain link Hardness Distribution more presses close to use properties, ensures the equipment and process of the mechanical property of chain.
In order to reach as above object, the present invention takes following technical scheme:
A method for chain heating, it is characterized in that, comprise the step of quenching, described quenching is the mode of induction heating, comprises four-stage, and it is:
First paragraph preheating section, heats under Curie temperature;
Second segment heating zone, Heating temperature is formula body transition point+50 DEG C difficult to understand;
The overall heating zone of the 3rd section of chain link;
The straight flange heating zone of the 4th section of chain link.
The further technical scheme of the present invention is, also comprises the step of tempering after described quenching, and described tempering is the mode of induction heating, and Heating temperature is between 420 DEG C-450 DEG C.
The further technical scheme of the present invention is, the power supply of described induction heating is LGBT power supply, and it includes LGBT inversion module.
Another technical scheme that the present invention takes is:
An equipment for chain heating, is characterized in that, comprise quenching part, described quench section is divided and is comprised heating zone one and heating zone two, it is all positioned at heating tube inside, and heating zone one is connected independently temperature control part and independently heating power supply separately with heating zone two, its each self-contained cooling system; Heating zone one and heating zone two comprise respective absolute coil, and coil inside is heating space, and outside is water-cooled tube.
The further technical scheme of the present invention is, described independently heating power supply is LGBT power supply, and it includes LGBT inversion module.
The further technical scheme of the present invention is, also comprise the tempering portion being positioned at quenching beneath portions, described tempering portion comprises tempering coil, and it comprises independently temperature control part, heating power supply, and it also comprises independently cooling system; Coil inside is heating space, and outside is water-cooled tube.
The further technical scheme of the present invention is, the heating power supply of described tempering portion is LGBT power supply, and it includes LGBT inversion module.
Adopt the present invention of as above technical scheme, there is following beneficial effect: ensure that the speed that chain runs in coil is even, equal with the distance of coil edge.Can ensure that chain is subject to evenly like this, temperature reaches corresponding temperature of each stage, and make the metallographic structure after thermal treatment more reasonable, chain link Hardness Distribution more presses close to use properties, ensures the mechanical property of chain.Adopt LGBT inversion module, ultrasonic frequency frequency, power are large, range of frequency is wide, pioneering in motion carrier continuous heat treatment apparatus.
Accompanying drawing explanation
Fig. 1 is the structural representation of chain at present device quench stage;
Fig. 2 is the structural perspective of chain at present device quench stage;
Fig. 3 is quenching coil connection diagram;
Fig. 4 is tempering coil connection diagram;
Wherein: 1. normal temperature part; 2. heating zone one; 3. heating zone two; 4. heating zone one water-in; 5. heating zone one water outlet; 6. heating zone two water-in; 7. heating zone two water outlet.
Embodiment
below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further;
A method for chain heating, it is characterized in that, comprise the step of quenching, described quenching is the mode of induction heating, comprises four-stage, and it is:
First paragraph preheating section, heats under Curie temperature;
Second segment heating zone, Heating temperature is formula body transition point+50 DEG C difficult to understand;
The overall heating zone of the 3rd section of chain link;
The straight flange heating zone of the 4th section of chain link.
The further technical scheme of the present invention is, also comprises the step of tempering after described quenching, and described tempering is the mode of induction heating, and Heating temperature is between 420 DEG C-450 DEG C.
The further technical scheme of the present invention is, the power supply of described induction heating is LGBT power supply, and it includes LGBT inversion module.
Another technical scheme that the present invention takes is:
An equipment for chain heating, is characterized in that, comprise quenching part, described quench section is divided and is comprised heating zone 1 and heating zone 23, it is all positioned at heating tube inside, and heating zone 1 is connected independently temperature control part and independently heating power supply separately with heating zone 23, its each self-contained cooling system; Heating zone 1 and heating zone 23 comprise respective absolute coil, and coil inside is heating space, and outside is water-cooled tube.
The further technical scheme of the present invention is, described independently heating power supply is LGBT power supply, and it includes LGBT inversion module.
The further technical scheme of the present invention is, also comprise the tempering portion being positioned at quenching beneath portions, described tempering portion comprises tempering coil, and it comprises independently temperature control part, heating power supply, and it also comprises independently cooling system; Coil inside is heating space, and outside is water-cooled tube.
The further technical scheme of the present invention is, the heating power supply of described tempering portion is LGBT power supply, and it includes LGBT inversion module.
According to chain to the different requirements of quenching hardness, quenching coil is designed to two sections, each having by oneself independently controls power supply, and the number of turn of coil and structural design drawing are as Fig. 3.What independently control power supply can adjust different processing parameters to the chain of different size, handled easily.Tempering coil is as a whole, and as Fig. 4, temperature ensures between 420 DEG C-450 DEG C, is designed to a power supply.
The heat treated equipment of induction heating is primarily of power unit, quenching coil and inductor block composition.
A kind of concrete parts realized of following example.I.e. LGBT module, comprises MGDC card and MGDA card, CCM 1059/CCM 1059T SINAC parallel interface.But these parts do not cause restriction to specific embodiment of the invention.
According to different chain link material diameter, change design first paragraph preheating section (before Curie temperature 720 DEG C) of interior length.Second segment heating zone (formula body transition point+50 DEG C difficult to understand.）。The overall heating zone of the 3rd section of chain link.The straight flange heating zone of the 4th section of chain link.Work alone scope separately, and mutual Matching and modification controls.
more than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand the present invention and not be restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (4)
1. the equipment of a chain heating, it is characterized in that, comprise quenching part, described quench section is divided and is comprised heating zone one (2) and heating zone two (3), it is all positioned at heating tube inside, heating zone one (2) is connected independently temperature control part and independently heating power supply separately with heating zone two (3), its each self-contained cooling system; Heating zone one (2) and heating zone two (3) comprise respective absolute coil, and coil inside is heating space, and outside is water-cooled tube.
2. the equipment of a kind of chain heating as claimed in claim 1, it is characterized in that, described independently heating power supply is LGBT power supply, and it includes LGBT inversion module.
3. the equipment of a kind of chain heating as claimed in claim 1, it is characterized in that, also comprise the tempering portion being positioned at quenching beneath portions, described tempering portion comprises tempering coil, it comprises independently temperature control part, heating power supply, and it also comprises independently cooling system; Coil inside is heating space, and outside is water-cooled tube.
4. the equipment of a kind of chain heating as claimed in claim 3, it is characterized in that, the heating power supply of described tempering portion is LGBT power supply, and it includes LGBT inversion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210460547.0A CN103820626B (en) | 2012-11-16 | 2012-11-16 | Chain heating method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210460547.0A CN103820626B (en) | 2012-11-16 | 2012-11-16 | Chain heating method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103820626A CN103820626A (en) | 2014-05-28 |
| CN103820626B true CN103820626B (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210460547.0A Expired - Fee Related CN103820626B (en) | 2012-11-16 | 2012-11-16 | Chain heating method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103820626B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231726B (en) * | 2021-12-23 | 2022-11-11 | 重庆交通大学 | Heat treatment method for bearing ring of automobile transfer case bearing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3790413A (en) * | 1970-12-30 | 1974-02-05 | Kito Kk | Process for a continuous heat treatment and apparatus therefor |
| JPS52152809A (en) * | 1976-06-16 | 1977-12-19 | Kito Kk | Process and apparatus for heat treatment of link chain |
| CN101353716B (en) * | 2007-07-24 | 2010-09-15 | 中煤张家口煤矿机械有限责任公司 | Novel mining single ring tempering method |
| CN201517124U (en) * | 2009-08-27 | 2010-06-30 | 湘潭科创机电有限公司 | Multiple copper tube duplex winding spiral type circular ring link quenching and tempering inductor |
| CN201525870U (en) * | 2009-08-27 | 2010-07-14 | 湘潭科创机电有限公司 | Chain quenching and tempering system using intermediate frequency power source |
| CN101781698A (en) * | 2009-10-27 | 2010-07-21 | 中国海洋石油总公司 | Thermal treatment process of R5 mooring chain |
| CN102205482B (en) * | 2011-05-13 | 2013-06-12 | 山东良达发兴圆环链有限公司 | Method for producing round-link chain |
| CN202936452U (en) * | 2012-11-16 | 2013-05-15 | 西安重装澄合煤矿机械有限公司 | Chain heating equipment |
-
2012
- 2012-11-16 CN CN201210460547.0A patent/CN103820626B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN103820626A (en) | 2014-05-28 |
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