CN102510593A - Heating device and heating method - Google Patents
Heating device and heating method Download PDFInfo
- Publication number
- CN102510593A CN102510593A CN2011103319138A CN201110331913A CN102510593A CN 102510593 A CN102510593 A CN 102510593A CN 2011103319138 A CN2011103319138 A CN 2011103319138A CN 201110331913 A CN201110331913 A CN 201110331913A CN 102510593 A CN102510593 A CN 102510593A
- Authority
- CN
- China
- Prior art keywords
- straight sections
- workpiece
- heater
- recess
- heater according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a heating device which comprises a high-frequency power supply and an induction tube, wherein the high-frequency power supply can provide a high-frequency current; and the induction tube comprises a straight tube part capable of being contained in the concave part of a workpiece, and the high-frequency current is introduced to the straight tube part by virtue of the high-frequency power supply. In the heating device, according to the electromagnetic induction principle, a magnetic field in high-frequency variation is generated around the straight tube part, the concave part of the workpiece is positioned in a variation magnetic field formed by the straight tube part, an induction current is formed in the concave part, and the concave part is heated partially; when the concave part is smaller, the straight tube part can be designed with the corresponding thickness degree according to the size of the concave part of the workpiece, and the straight tube part can be easily designed in the concave part of the workpiece; and the workpiece can partially heated by the heating device, and smaller workpieces in the concave part can be heated. The invention also provides a heating method.
Description
[technical field]
The present invention relates to annealing device and method, particularly relate to a kind of heater and heating means that workpiece with recess is annealed.
[background technology]
In heat treatment process, handle for the differential annealing of metal works endoporus, generally high-frequency induction coil is located in the hole of metal works; Electromagnetic induction through the high-frequency current loop produces high frequency induction current and induced field; Be in the induced current that generation is directly proportional with magnetic field intensity in the metal works in the high-frequency induction magnetic field, induced current converts it into heat energy by the resistance in the metal works; The temperature of hardware is raise rapidly, realize the purpose of Fast Heating.At present, the general helically wound high-frequency induction coil of copper pipe that adopts of high-frequency induction coil, high-frequency induction coil is positioned at the hole of heated metal works, requires the diameter of the diameter of high-frequency induction coil less than the metal works endoporus.But the diameter of high-frequency induction coil will receive the restriction of copper pipe thickness and soft or hard degree, so have a limiting value for the diameter of high-frequency induction coil.When the diameter of the endoporus of metal works hour, high-frequency induction coil can't be inserted in the endoporus, can not realize the local heat treatment of metal works than aperture.And, when the recess of workpiece hour, high-frequency induction coil can't heat recess.
[summary of the invention]
Based on this, be necessary to provide a kind of heater and the heating means thereof that can carry out local heat treatment to the less workpiece of recess.
A kind of heater comprises:
High frequency electric source can provide high-frequency current; And
Induction tube comprises the straight sections in the recess that can be contained in workpiece, and said high frequency electric source feeds high-frequency current on said straight sections.
Further, the recess of said workpiece is the workpiece endoporus, and said straight sections can be interspersed in said workpiece endoporus.
Further, the lateral wall of said straight sections is provided with insulating barrier.
Further, said heater also comprises cooling structure, and an end conducting of said cooling structure and said induction tube is also injected coolant, and said coolant flows out from the other end of said induction tube.
Further, be respectively equipped with conductive fixed block on two outputs of said high frequency electric source, said fixed block is electrically connected with the two ends of said straight sections respectively.
Further, said heater also comprises lead, an end of said lead and said straight sections conducting, and the other end and one of them fixed block conducting, said straight sections is fixed on another fixed block.
Further, said lead is big electric current flexible cable.
Further, the link of said lead and said straight sections is provided with big electric current gripper clamp, said big electric current gripper clamp be conductor and with said straight sections conducting, the outer rim of said big electric current gripper clamp is provided with the insulation handgrip.
Further, said heater also comprises power-supply controller of electric, the switch of the said high frequency electric source of said power controller controls.
In the above-mentioned heater, high frequency electric source provides high-frequency current, and high-frequency current is through the straight sections of induction tube.According to electromagnetic induction principle, the electric field of variation produces magnetic field, and the electric field that high frequency changes produces high frequency magnetic field.Be in the workpiece in the magnetic field that high frequency changes and produce induced current, can produce thermal effect workpiece.Thereby reached heat treated to workpiece.The straight sections of induction tube is contained in the recess, and recess is in the variation magnetic field that the straight sections of induction tube forms, and the formation induced current is arranged in the recess, and recess is carried out localized heating.When recess hour, the straight sections of induction tube can become corresponding thickness degree according to the size design of the recess of workpiece, and limiting factor is few, can be easily the straight sections of induction tube be contained in the recess of workpiece.Can carry out heat treated to the part of workpiece, can handle the heat treated of carrying out of the less workpiece of recess.
The present invention also provides a kind of heating means, and said heating means adopt above-mentioned heater, and said heating means comprise the steps:
Said straight sections is contained in the recess of said workpiece;
In said induction tube, inject the coolant of circulation, and on said straight sections, feed high-frequency current.
These heating means utilize above-mentioned heater that workpiece is heated, and utilize induced current that workpiece is heated, and feed high-frequency current on the straight sections, and the straight sections of induction tube is contained in the recess of workpiece, and the recess of workpiece is carried out heat treated.In straight sections, inject the coolant of circulation, guarantee that straight sections can not deform because of the thermal effect of high-frequency current.Therefore can make width design less of the straight sections of induction tube, the straight sections of induction tube can be contained in the recess of workpiece.When the recess of workpiece reaches preset heating-up temperature, can realize differential annealing when cutting off high-frequency current to recess, operating process is simple, safety.
[description of drawings]
Fig. 1 is the structural representation of the heater of an execution mode;
Fig. 2 is the flow chart of the heating means of an execution mode.
[embodiment]
For the ease of understanding the present invention, will more comprehensively describe the present invention with reference to relevant drawings below.Provided preferred embodiment of the present invention in the accompanying drawing.But the present invention can realize with many different forms, be not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make to disclosure of the present invention understand comprehensively thorough more.
Need to prove, when element is called as " being fixed in " another element, it can be directly on another element or also can have element placed in the middle.When an element is considered to " connection " another element, it can be to be directly connected to another element or possibly to have element placed in the middle simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement do not represent it is unique execution mode just for illustrative purposes.
Only if definition is arranged in addition, the employed all technology of this paper are identical with the implication that belongs to those skilled in the art's common sense of the present invention with scientific terminology.Among this paper in specification of the present invention employed term be not intended to be restriction the present invention just in order to describe the purpose of concrete embodiment.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, the heater 100 of present embodiment comprises high frequency electric source 110 and induction tube 120.
High frequency electric source 110 can provide high-frequency current.
Be appreciated that insulating barrier 124 can omit, the width of straight sections 122 is littler than the width of recess, and straight sections 122 is located in the recess, and has the gap between the recess, prevents workpiece 200 and high frequency electric source 110 conductings.
Be appreciated that the shape that straight sections 122 adapts with it according to the concrete shaped design of the recess of workpiece 200.When recess was little endoporus, the little endoporus that straight sections 122 is interspersed in this workpiece carried out heat treated to endoporus.Workpiece 200 is being carried out in the annealing process, and straight sections 122 is arranged in the endoporus, and workpiece 200 is directly carried out annealing operation.But the L type contact tube that induction tube 120 is processed for electric conducting material.Be appreciated that induction tube 120 is copper pipe.During work, because the thermal effect that straight sections 122 energisings produce causes straight sections 122 distortion or damage easily.Heater 100 also comprises cooling structure (figure does not show), and an end conducting of cooling structure and induction tube 120 is also injected coolant, and coolant flows out from the other end of induction tube 120.Coolant reduces the temperature of straight sections 122, guarantees that straight sections 122 can operate as normal, and feeds the annealing that coolant can help workpiece.Coolant can be cooling liquids such as water, oil, the aqueous solution, and in this execution mode, coolant is a cooling water.
Fixed block 140 is two, is respectively fixed block 142,144.Fixed block 142,144 is located at respectively on two outputs of high frequency electric source 110, and is electrically connected with the two ends of straight sections 122.Straight sections 122 is fixed on another fixed block 142, and fixed block 142 provides fixed platform for straight sections 122.
Be appreciated that fixed block 140 can omit, induction tube 120 directly is connected with two outputs of high frequency electric source 110.
Need to prove; For straight sections 122 can stably be fixed on the fixed block 142, do not influence the circulation of the coolant in the straight sections 122 simultaneously again, heater 100 also comprises fixed cover (figure is mark not) and threaded fastener (figure is mark not); The U-shaped groove that processing is arranged on the fixed head; Induction tube 120 is located in the groove, and threaded fastener passes fixed head and fixed block is spirally connected, thereby straight sections 122 is fixed on the fixed block 142.
One end of lead 150 and straight sections 122 conductings, the other end and 144 conductings of one of them fixed block.Be appreciated that lead 150 is big electric current flexible cable or high-tension cable, perhaps omit lead 150, straight sections 122 direct and high frequency electric source 110 conductings.
Big electric current gripper clamp 160 is located at the link of lead 150 and straight sections 122, and big electric current gripper clamp 160 is a conductor, is used for and straight sections 122 conductings.The outer rim of big electric current gripper clamp 160 is provided with insulation handgrip 162.Heater 100 is provided with big electric current gripper clamp 160, makes things convenient for lead 150 to be connected with straight sections 122.And the outer rim of big electric current gripper clamp 160 is provided with insulation handgrip 162, prevents when the big electric current gripper clamp 160 of operation, to get an electric shock and cause danger, and has improved the fail safe that heater 100 uses.Be appreciated that big electric current gripper clamp 160 can also for other form can quick-clamping high current connector.Big electric current gripper clamp 160 can omit, and lead 150 is connected with the 120 direct conductings of induction copper pipe.
The switch of power-supply controller of electric (figure does not show) control high frequency electric source 110.When the recess of workpiece 200 was heated to preset heating-up temperature, current controller cut out high-frequency current 110, stopped the recess heating is cooled off, and workpiece 200 carries out differential annealing.
In the above-mentioned heater 100, high frequency electric source 110 provides high-frequency current, and high-frequency current 110 is through straight sections 122.According to electromagnetic induction principle, be in the workpiece 200 in the magnetic field that high frequency changes and produce induced currents, can produce thermal effect to workpiece 200.Thereby reached heat treated to workpiece 200.Straight sections 122 is located in the recess, and recess is in the variation magnetic field of straight sections 122 formation, and the formation induced current is arranged in the recess, and recess is carried out localized heating.When recess hour, straight sections 122 can become corresponding thickness degree according to the size design of the recess of workpiece 200, can easily straight sections 122 be located in the recess of workpiece.Can carry out heat treated to the part of workpiece 200, can handle the heat treated of carrying out of the less workpiece of recess 200.
The present invention also proposes a kind of heating means, and these heating means adopt above-mentioned heater 100, and it comprises the steps S201～S203:
Step S201 is contained in straight sections 122 in the recess of workpiece.Specifically in this execution mode, workpiece 200 is a travelling gear, and the recess of workpiece 200 is an endoporus, the internal diameter of straight sections 122 than the aperture of endoporus little 0.4 millimeter～0.6 millimeter, can a plurality of workpiece 200 be enclosed within on the straight sections 122 side by side and fix.
Step S202 injects the coolant of circulation, and on straight sections, feeds high-frequency current in induction tube 120.Specifically in this execution mode, be clipped in the front end of straight sections 122 with big electric current gripper clamp 160, connect the loop.Open cooling structure then, make logical coolant in the induction tube 120.Power-on controller, straight sections 122 begin the recess heating to workpiece 200, and high-frequency current is 10A.
Step S203, when heated parts 200 reached the 700 degree left and right sides, heater 100 can be cut off the electricity supply automatically, and workpiece 200 is cooled off.Specifically in this execution mode, coolant reduces the temperature of straight sections 122, guarantees that straight sections 122 can operate as normal, and feeds the annealing that coolant can help workpiece.Unclamp big electric current gripper clamp 160, take off workpiece 200 from straight sections 122.
In the above-mentioned heating means, heat, utilize induced current that workpiece 200 is heated, guarantee that workpiece can reach preset heating-up temperature through 100 pairs of workpiece 200 of heater.Can carry out annealing in process to workpiece when cutting off high-frequency current, can realize localized heating and annealing to recess, operating process is simple, safety.
The above embodiment has only expressed several kinds of execution modes of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. a heater is characterized in that, said heater comprises:
High frequency electric source provides high-frequency current; And
Induction tube comprises the straight sections in the recess that can be contained in workpiece, and said high frequency electric source feeds high-frequency current on said straight sections.
2. heater according to claim 1 is characterized in that, the recess of said workpiece is the workpiece endoporus, and said straight sections can be interspersed in said workpiece endoporus.
3. heater according to claim 1 is characterized in that the lateral wall of said straight sections is provided with insulating barrier.
4. heater according to claim 1 is characterized in that said heater also comprises cooling structure, and an end conducting of said cooling structure and said induction tube is also injected coolant, and said coolant flows out from the other end of said induction tube.
5. heater according to claim 1 is characterized in that, is respectively equipped with conductive fixed block on two outputs of said high frequency electric source, and said fixed block is electrically connected with the two ends of said straight sections respectively.
6. heater according to claim 5 is characterized in that said heater also comprises lead, an end of said lead and said straight sections conducting, and the other end and one of them fixed block conducting, said straight sections is fixed on another fixed block.
7. heater according to claim 6 is characterized in that, said lead is big electric current flexible cable.
8. heater according to claim 5; It is characterized in that; The link of said lead and said straight sections is provided with big electric current gripper clamp, said big electric current gripper clamp be conductor and with said straight sections conducting, the outer rim of said big electric current gripper clamp is provided with the insulation handgrip.
9. heater according to claim 1 is characterized in that said heater also comprises power-supply controller of electric, the switch of the said high frequency electric source of said power controller controls.
10. heating means is characterized in that, said heating means adopt like any described heater of claim 1～9, and said heating means comprise the steps:
Said straight sections is contained in the recess of said workpiece;
In said induction tube, inject the coolant of circulation, and on said straight sections, feed high-frequency current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103319138A CN102510593A (en) | 2011-10-27 | 2011-10-27 | Heating device and heating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103319138A CN102510593A (en) | 2011-10-27 | 2011-10-27 | Heating device and heating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102510593A true CN102510593A (en) | 2012-06-20 |
Family
ID=46222636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103319138A Pending CN102510593A (en) | 2011-10-27 | 2011-10-27 | Heating device and heating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102510593A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11329703A (en) * | 1998-05-19 | 1999-11-30 | Miyaden:Kk | Work hole induction heating method and its device |
| EP1583397A1 (en) * | 2004-03-12 | 2005-10-05 | Kabushiki Kaisha Yoshino Kosakujo | Apparatus and method for heating work pieces |
| CN101491807A (en) * | 2008-01-24 | 2009-07-29 | 王民 | Cleaning and degreasing method of steel drum using high-frequency heating |
| CN101787415A (en) * | 2008-12-12 | 2010-07-28 | 富士电子工业株式会社 | Quenching method and quenching device |
| CN102457999A (en) * | 2010-10-20 | 2012-05-16 | 第一高周波工业株式会社 | Heating device |
-
2011
- 2011-10-27 CN CN2011103319138A patent/CN102510593A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11329703A (en) * | 1998-05-19 | 1999-11-30 | Miyaden:Kk | Work hole induction heating method and its device |
| EP1583397A1 (en) * | 2004-03-12 | 2005-10-05 | Kabushiki Kaisha Yoshino Kosakujo | Apparatus and method for heating work pieces |
| CN101491807A (en) * | 2008-01-24 | 2009-07-29 | 王民 | Cleaning and degreasing method of steel drum using high-frequency heating |
| CN101787415A (en) * | 2008-12-12 | 2010-07-28 | 富士电子工业株式会社 | Quenching method and quenching device |
| CN102457999A (en) * | 2010-10-20 | 2012-05-16 | 第一高周波工业株式会社 | Heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0509961A (en) | apparatus for inducing heat treatment of a workpiece and method for heating a workpiece | |
| CN101448347B (en) | Method for manufacturing induction coil used for medium frequency induction heating | |
| CN105557066A (en) | A gasket for a heat-charged cavity of an appliance with microwave heating function | |
| AU2014330053A1 (en) | Smart susceptor for a shape memory alloy (SMA) actuator inductive heating system | |
| US9706633B2 (en) | Magnetized coaxial plasma generation device | |
| JP5473127B2 (en) | Induction heating coil | |
| WO2014088423A1 (en) | Apparatus and method for induction heating of magnetic materials | |
| CN102510593A (en) | Heating device and heating method | |
| CN103174940A (en) | Oil pipeline electromagnetic heater and application method thereof | |
| CN102959096A (en) | Treatment of heater tube intended for pressurizer of the primary cooling system of nuclear reactor | |
| US2176488A (en) | Furnace for heating pieces by means of high frequency currents | |
| RU2551045C1 (en) | Method of thermal treatment of weld joints produced by linear friction welding | |
| CN102586552A (en) | Heat treatment method for compression joint type workpiece | |
| CN110121225B (en) | Inductor for heating inner hole of rotor of variable frequency compressor | |
| CN207143287U (en) | Quench induction coil | |
| JP4187635B2 (en) | High frequency induction heating coil | |
| KR200358006Y1 (en) | high frequency induction heating brazing machine for brazing processing of form looks like character T | |
| CN109355487B (en) | Chisel annealing treatment equipment and annealing process method | |
| JP2010168623A (en) | Induction heating coil | |
| CN105506258B (en) | Motor turning bearing portion part induction heat treatment frock | |
| CN204417549U (en) | A kind of induction hardening equipment | |
| CN202206290U (en) | Copper bar of IGBT (insulated gate bipolar transistor) intermediate frequency power supply | |
| CN201834953U (en) | Electric heating device for annealing conducting wire | |
| CN202663577U (en) | Power frequency, medium-high frequency induction heating coil | |
| KR20140121935A (en) | Work-coil adapted to high-frequency heat treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN XINGRENJIE METAL MATERIAL TECHNOLOGY CO., Free format text: FORMER OWNER: DONGGUAN XINGJIE STEEL HEAT TREATMENT CO., LTD. Effective date: 20131127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523869 DONGGUAN, GUANGDONG PROVINCE TO: 523850 DONGGUAN, GUANGDONG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20131127 Address after: Changan Zhen Shang Sha communities and industrial parks in Guangdong province Dongguan city 523850 Building 1 layer 3 Applicant after: DONGGUAN XINGRENJIE METAL MATERIAL TECHNOLOGY CO., LTD. Address before: 523869 Guangdong province Dongguan city Changan town sand community Huaqiang Road Applicant before: Dongguan Xingjie Steel Heat Treatment Co., Ltd. |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |