CN103667662A - Medium-frequency idler quenching inductor - Google Patents
Medium-frequency idler quenching inductor Download PDFInfo
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- CN103667662A CN103667662A CN201310618577.4A CN201310618577A CN103667662A CN 103667662 A CN103667662 A CN 103667662A CN 201310618577 A CN201310618577 A CN 201310618577A CN 103667662 A CN103667662 A CN 103667662A
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- Prior art keywords
- idle pulley
- induction coil
- silieonized
- copper
- silicon steel
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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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- General Induction Heating (AREA)
Abstract
The invention discloses a medium-frequency idler quenching inductor. A base body is an open ring type copper inducting coil and is mainly characterized in that n-shaped parallel silicon steel sheets perpendicularly inserted in the copper coil are arranged on a main working part of the copper inducting coil; opens of the silicon steel sheets face a to-be-heated workpiece; a gap is reserved between two adjacent silicon steel sheets, corresponding to the straight line part of an outline of an idler, on the copper inducting coil; two adjacent silicon steel sheets, corresponding to a radius of the idler, on the copper inducting coil are tightly adjacent; and simultaneously, the silicon steel sheets adopt magnetic-inductivity sheets with high magnetic flux density. According to the medium-frequency idler quenching inductor, the silicon steel sheets at different intervals are arranged on a conventional inductor, that is, magnetic lines with high density are concentrated in the radius position by increasing magnetic field intensity on the basis of conventional electro-magnetic induction, and the heat penetration thickness is enlarged, so that regulated hot form formed in the medium-frequency idler quenching radius position is effectively guaranteed, and hardness distribution in positions of the quenched workpiece is uniform; and the inductor is simple in structure, easy to manufacture, and convenient to dismount and use.
Description
Technical field
The present invention relates to a kind of heat treatment device.
Background technology
At present, adopt electromagnetic induction heating workpiece to quench, range of application is wider, and its heating feature is that depth of penetration heating is large, generally at 4-5 millimeter, even can reach 7-8 millimeter, and it is relatively applicable to the smooth workpiece of profile.For some, be heated workpiece that the visible line in face cross section is broken line as idle pulley (≤Φ 500) etc., its nook (place, R angle) is just important process position, its hardness depth is required higher, be heated close to other case depth of face.Because inductor block is generally to adopt open annular copper induction coil, though it is corresponding that groundwork part and workpiece are heated part visible line, but nook depth of penetration heating is heated face place far away from other, because depth of penetration heating is inadequate, can only be diathermanous by extending the way conduction such as heat-up time, the shortcoming of doing is like this: 1, to be heated the degree of depth inhomogeneous for workpiece, cause workpiece quenching after hardness inhomogeneous, even distortion.2, waste energy, increase tooling cost.
Summary of the invention
The object of the present invention is to provide a kind of can effectively guarantee the idle pulley medium frequency quenching R angle place hot shape of standard make to quench after the inductor block of the uniform idle pulley medium frequency quenching of Hardness Distribution everywhere.
Inductor block matrix of the present invention is also open annular copper induction coil, its groundwork part is substantially corresponding with the visible line that workpiece is heated face cross section, in this copper induction coil groundwork, partly establish the door font silieonized plate some arranged side by side being vertically plugged on copper band, the opening of above-mentioned silieonized plate is all towards being heated workpiece, and one end contrary with opening is all in copper band.Preferably silieonized plate A/F and copper induction coil gauge match, and the opening degree of depth and copper induction coil width dimensions match, and both are connected closely.In order to make to be heated idle pulley within the identical time, diathermanous temperature is identical with the degree of depth everywhere, according to the different heating surfaces of idle pulley, adjust the distance between two silieonized plates and between silieonized plate and idle pulley, gapped between adjacent two silieonized plates on the copper induction coil corresponding with idle pulley visible line straight line portion, between best two silieonized plates, be provided with the insulcrete of respective thickness, two silieonized plates adjacent on the copper induction coil corresponding with idle pulley R angle are closely adjacent, and silieonized plate adopts high magnetic flux density magnetic conduction sheet and is that optimum thickness is 0.15-0.20 millimeter thin magnetic conduction sheet simultaneously; The silieonized plate end corresponding with idle pulley visible line straight line portion is concordant with induction coil, and locate the corresponding silieonized plate opening degree of depth with idle pulley R angle, be greater than other positions silieonized plate opening degree of depth 2-3 millimeter, the silieonized plate that can make like this R angle place compared with the silieonized plate at other positions to the about 2-3 millimeter of idle pulley evagination.
The present invention compared with prior art tool has the following advantages:
1, the present invention establishes the silieonized plate that spacing is different on existing inductor block, on existing electromagnetic induction basis, by increasing magneticstrength, high-density magnetic line of force is concentrated on to place, R angle deepen its heat penetration, Hardness Distribution is even everywhere effectively to have guaranteed workpiece after idle pulley medium frequency quenching R angle is located hot shape standard and made to quench.
2, simple, the easy making of sensor structure of the present invention, dismounting and easy to use.
3, save energy, cut down finished cost.
Accompanying drawing explanation
Fig. 1 is that working order master of the present invention cuts open simplified schematic diagram depending on office.
Fig. 2 is that in Fig. 1, the master of inductor block looks simplified schematic diagram.
Fig. 3 is that in Fig. 2, the master of silieonized plate looks simplified schematic diagram.
Fig. 4 adopts the idle pulley of prior art inductor block heating through the metallograph of As-Quenched Steel.
Fig. 5 adopts the idle pulley of inductor block heating of the present invention through the metallograph of As-Quenched Steel.
Fig. 6 is the acceptance of materials report of the idle pulley hardness and the degree of depth after quenching that adopt inductor block heating of the present invention.
Embodiment
In the idle pulley medium frequency quenching inductor block simplified schematic diagram shown in Fig. 1 and Fig. 2, inductor block matrix is open annular copper induction coil 1, these copper induction coil opening two ends are separately fixed on the vertical web plate 2 on worktable, and induction coil is respectively equipped with intake-outlet 3 near the two ends of connecting plate.Induction coil groundwork part is substantially corresponding with the visible line that idle pulley 4 is heated face cross section.In this copper induction coil groundwork, partly establish the door font silieonized plate 5 some arranged side by side being vertically plugged on copper band, as shown in Figure 3, these silieonized plate A/Fs and copper induction coil gauge match, and the opening degree of depth and copper induction coil width dimensions match.The opening of above-mentioned silieonized plate is all towards being heated workpiece, and one end contrary with opening is all in copper band.The copper induction coil corresponding with idle pulley visible line straight line portion is provided with thickness 1 or the ultra-thin oriented silicon iron alloy of 2mm silieonized plate 6; Between two silieonized plates, there is 1 or 2 millimeter of gap, on gap, be provided with bakelite insulcrete 7; Two silieonized plates adjacent on the copper induction coil corresponding with idle pulley R angle are closely adjacent, should locate corresponding silieonized plate with idle pulley R angle and adopt the ultra-thin orientation high magnetic flux density of thickness 0.15-0.20 millimeter magnetic conduction sheet 8, the silieonized plate end corresponding with idle pulley visible line straight line portion is concordant with induction coil, and locate the corresponding silieonized plate opening degree of depth with idle pulley R angle, be greater than 3 millimeters of other position silieonized plate opening degree of depth, the silieonized plate that can make like this R angle place compared with the silieonized plate at other positions to approximately 3 millimeters of idle pulley evaginations.The two ends of establishing silieonized plate at induction coil are plugged with respectively the retaining plate 9 that A/F is identical with induction coil gauge to be the silieonized plate location at two ends.
From the idle pulley of the employing prior art inductor block heating shown in Fig. 4, through the metallograph of As-Quenched Steel, can find out, workpiece darker regions is quenching region, in uneven thickness, and particularly place, R angle depth of hardening is shallow compared with other positions, even some distortion.From the idle pulley of the inductor block heating of the present invention of the employing shown in Fig. 5, through the metallograph of As-Quenched Steel, can find out, workpiece two upper lateral part darker regions 10 are quenching region, even thickness, and place, R angle depth of hardening is identical with other positions, and workpiece is distortion not.Fig. 6 is certain European client to the acceptance of materials report that adopts inductor block heating of the present invention and workpiece hardness and the degree of depth are made after quenching, and all can find out that R angle and other position depth of hardening are basic identical from the data of report and the figure that draws by these data.
Claims (6)
1. an idle pulley medium frequency quenching inductor block, matrix is open annular copper induction coil, its groundwork part is substantially corresponding with the visible line that workpiece is heated face cross section, it is characterized in that: in this copper induction coil groundwork, partly establish and be vertically plugged on door font silieonized plate arranged side by side on copper band, the opening of above-mentioned silieonized plate is all towards being heated workpiece, gapped between adjacent two silieonized plates on the copper induction coil corresponding with idle pulley visible line straight line portion, two silieonized plates adjacent on the copper induction coil corresponding with idle pulley R angle are closely adjacent.
2. idle pulley medium frequency quenching inductor block according to claim 1, is characterized in that: silieonized plate A/F and copper induction coil gauge match, and the opening degree of depth and copper induction coil width dimensions match.
3. idle pulley medium frequency quenching inductor block according to claim 1 and 2, is characterized in that: locating corresponding silieonized plate thickness with idle pulley R angle is the ultra-thin orientation high magnetic flux density of 0.15-0.20 millimeter magnetic conduction sheet.
4. idle pulley medium frequency quenching inductor block according to claim 3, is characterized in that: the silieonized plate end corresponding with idle pulley visible line straight line portion is concordant with induction coil, and locates corresponding silieonized plate to the about 2-3 millimeter of idle pulley evagination with idle pulley R angle.
5. idle pulley medium frequency quenching inductor block according to claim 4, is characterized in that: the gap between two silieonized plates is provided with respective thickness insulcrete.
6. idle pulley medium frequency quenching inductor block according to claim 5, is characterized in that: the two ends of establishing silieonized plate at induction coil are plugged with respectively the retaining plate that A/F is identical with induction coil gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618577.4A CN103667662A (en) | 2013-11-29 | 2013-11-29 | Medium-frequency idler quenching inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618577.4A CN103667662A (en) | 2013-11-29 | 2013-11-29 | Medium-frequency idler quenching inductor |
Publications (1)
| Publication Number | Publication Date |
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| CN103667662A true CN103667662A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310618577.4A Pending CN103667662A (en) | 2013-11-29 | 2013-11-29 | Medium-frequency idler quenching inductor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10195527A (en) * | 1996-12-27 | 1998-07-28 | Honda Motor Co Ltd | Induction hardening apparatus |
| CN201217670Y (en) * | 2008-06-03 | 2009-04-08 | 合肥滨海工程机械有限公司 | Intermediate-frequency quenching inductor for caterpillar excavating machine expansion wheel |
| WO2010100106A1 (en) * | 2009-03-06 | 2010-09-10 | Maschinenfabrik Alfing Kessler Gmbh | Method and device for induction hardening crankshafts |
| CN201924042U (en) * | 2010-12-14 | 2011-08-10 | 上海恒精机电设备有限公司 | Inductor realizing continuous quenching on circumference of flange and surface of shaft lever |
| CN202246742U (en) * | 2011-08-05 | 2012-05-30 | 上海纳铁福传动轴有限公司 | Induction coil used for quenching splined shaft |
| CN203683604U (en) * | 2013-11-29 | 2014-07-02 | 大连热处理有限公司 | Idler medium-frequency hardening sensor |
-
2013
- 2013-11-29 CN CN201310618577.4A patent/CN103667662A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10195527A (en) * | 1996-12-27 | 1998-07-28 | Honda Motor Co Ltd | Induction hardening apparatus |
| CN201217670Y (en) * | 2008-06-03 | 2009-04-08 | 合肥滨海工程机械有限公司 | Intermediate-frequency quenching inductor for caterpillar excavating machine expansion wheel |
| WO2010100106A1 (en) * | 2009-03-06 | 2010-09-10 | Maschinenfabrik Alfing Kessler Gmbh | Method and device for induction hardening crankshafts |
| CN201924042U (en) * | 2010-12-14 | 2011-08-10 | 上海恒精机电设备有限公司 | Inductor realizing continuous quenching on circumference of flange and surface of shaft lever |
| CN202246742U (en) * | 2011-08-05 | 2012-05-30 | 上海纳铁福传动轴有限公司 | Induction coil used for quenching splined shaft |
| CN203683604U (en) * | 2013-11-29 | 2014-07-02 | 大连热处理有限公司 | Idler medium-frequency hardening sensor |
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Application publication date: 20140326 |