CN103820626A - Chain heating method and device - Google Patents
Chain heating method and device Download PDFInfo
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- CN103820626A CN103820626A CN201210460547.0A CN201210460547A CN103820626A CN 103820626 A CN103820626 A CN 103820626A CN 201210460547 A CN201210460547 A CN 201210460547A CN 103820626 A CN103820626 A CN 103820626A
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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, relate in particular to a kind of method and apparatus of chain heating.
Background technology
Round-link chain is to have irregular profile, indefinite length, the linker of different cross-sectional.At the volley through quenching, twice heating of tempering.
Chain link surface hardness after thermal treatment and physical strength distribute and require there is certain difference on same part, 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 is more pressed close to use properties, the equipment and process of the mechanical property of assurance chain.
In order to reach as above object, the present invention takes following technical scheme:
A method for chain heating, is characterized in that, the step that comprises quenching, and the mode that described quenching is 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 difficult to understand transition point+50 ℃;
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, the mode that described tempering is induction heating, and Heating temperature is between 420 ℃-450 ℃.
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, comprises 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 absolute coil separately, 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 comprises the tempering portion that is positioned at the part below of quenching, and 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 as above the present invention of technical scheme, there is following beneficial effect: the speed that assurance chain moves in coil is even, equates with the distance of coil edge.Can guarantee that like this chain is subject to evenly, temperature reaches corresponding temperature of each stage, makes the metallographic structure after thermal treatment more reasonable, and chain link Hardness Distribution is more pressed close to use properties, guarantees the mechanical property of chain.Adopt LGBT inversion module, ultrasonic frequency frequency, power is large, range of frequency is wide, pioneering in motion carrier continuous heat treatment apparatus.
accompanying drawing explanation
Fig. 1 is that chain is at the present device structural representation in quenching stage;
Fig. 2 is that chain is at the present device structure skeleton view in quenching 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-ins; 7. heating zone two water outlets.
Embodiment
below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described;
A method for chain heating, is characterized in that, the step that comprises quenching, and the mode that described quenching is 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 difficult to understand transition point+50 ℃;
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, the mode that described tempering is induction heating, and Heating temperature is between 420 ℃-450 ℃.
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, comprises 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 absolute coil separately, 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 comprises the tempering portion that is positioned at the part below of quenching, and 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.
Different requirements according to chain to quenching hardness, are designed to two sections by quenching coil, and each having by oneself independently controlled power supply, and the number of turn of coil and structural design drawing are as Fig. 3.That independently controls power supply can adjust different processing parameters, handled easily to the chain of different size.Tempering coil is as a whole, and as Fig. 4, temperature guarantees, between 420 ℃-450 ℃, to be designed to a power supply.
The heat treated equipment of induction heating is mainly made up of power unit, quenching coil and inductor block.
A kind of concrete parts of realizing of following example.Be LGBT module, comprise 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, the variation design first paragraph preheating section (before 720 ℃ of Curie temperatures) of interior length.Second segment heating zone (formula body difficult to understand transition point+50 ℃.）。The overall heating zone of the 3rd section of chain link.The straight flange heating zone of the 4th section of chain link.The scope that works alone separately, Matching and modification control mutually.
more than show and described 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; that in above-described embodiment and specification sheets, describes 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 (7)
1. a method for chain heating, is characterized in that, the step that comprises quenching, and the mode that described quenching is 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 difficult to understand transition point+50 ℃;
The overall heating zone of the 3rd section of chain link;
The straight flange heating zone of the 4th section of chain link.
2. the method for a kind of chain heating as claimed in claim 1, is characterized in that, also comprises the step of tempering after described quenching, the mode that described tempering is induction heating, and Heating temperature is between 420 ℃-450 ℃.
3. the method for a kind of chain heating as described in claim 1 or 2, is characterized in that, the power supply of described induction heating is LGBT power supply, and it includes LGBT inversion module.
4. 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; The absolute coil that heating zone one (2) and heating zone two (3) comprise separately, coil inside is heating space, outside is water-cooled tube.
5. the equipment of a kind of chain heating as claimed in claim 4, is characterized in that, described independently heating power supply is LGBT power supply, and it includes LGBT inversion module.
6. the equipment of a kind of chain heating as claimed in claim 4, it is characterized in that, also comprise the tempering portion that is positioned at the part below of quenching, 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.
7. the equipment of a kind of chain heating as claimed in claim 6, 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 true CN103820626A (en) | 2014-05-28 |
| CN103820626B CN103820626B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210460547.0A Expired - Fee Related CN103820626B (en) | 2012-11-16 | 2012-11-16 | Chain heating method and device |
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| Country | Link |
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| CN (1) | CN103820626B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231726A (en) * | 2021-12-23 | 2022-03-25 | 重庆交通大学 | Heat treatment method for bearing ring of automobile transfer case bearing |
Citations (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 |
| US4164435A (en) * | 1976-06-16 | 1979-08-14 | Kabushiki Kaisha Kito | Method for heat treatment of link chains |
| CN101353716A (en) * | 2007-07-24 | 2009-01-28 | 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 |
| CN102205482A (en) * | 2011-05-13 | 2011-10-05 | 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
Patent Citations (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 |
| US4164435A (en) * | 1976-06-16 | 1979-08-14 | Kabushiki Kaisha Kito | Method for heat treatment of link chains |
| CN101353716A (en) * | 2007-07-24 | 2009-01-28 | 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 |
| CN102205482A (en) * | 2011-05-13 | 2011-10-05 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231726A (en) * | 2021-12-23 | 2022-03-25 | 重庆交通大学 | Heat treatment method for bearing ring of automobile transfer case bearing |
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| Publication number | Publication date |
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| CN103820626B (en) | 2015-07-01 |
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