CN110904307A - Inductor with centering for induction quenching - Google Patents
Inductor with centering for induction quenching Download PDFInfo
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- CN110904307A CN110904307A CN201911381787.XA CN201911381787A CN110904307A CN 110904307 A CN110904307 A CN 110904307A CN 201911381787 A CN201911381787 A CN 201911381787A CN 110904307 A CN110904307 A CN 110904307A
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- centering
- inductor
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Induction Heating (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The utility model provides a response is quenched and is used inductor of taking centering, relates to induction heat treatment technical field, include with the centering top of the hole cooperation centering of work piece and be used for the apical seat of fixed centering, apical seat upper portion coaxial placing through be connected with external power source and provide the electrically conductive row of electric current, apical seat outside cover be equipped with electrically conductive row cooperation to the induction heating subassembly of work piece heating, the induction heating subassembly top is equipped with the lock sleeve that is used for locking electrically conductive row and apical seat. The invention has the beneficial effects that: the quenching quality of the workpiece can be effectively ensured, and the centering between the inductor and the workpiece is realized through the centering center, so that the uniformity and consistency of the quenching layer of the same workpiece can be improved and enhanced; meanwhile, the time for manual alignment is shortened, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of induction heat treatment, and particularly relates to an inductor with centering for induction quenching.
Background
At present, when a workpiece needing quenching on a conical surface is aimed at, the relative position between an inductor and the workpiece is observed through eyes in a common alignment mode, or the positions of the inductor and the workpiece are aligned through other tools, under the condition of high quenching quality requirement, the two modes are inevitably difficult to meet the use requirement, and the consistency of the quenched workpiece in the aspects of depth of layer, hardness, appearance and the like is difficult to guarantee.
In order to solve the above problems, it is only necessary to keep the alignment relationship between the sensor and the workpiece consistent every time, and therefore, it is necessary to design a sensor satisfying this function so as to make the quenching quality of the workpiece meet high requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing an inductor with centering for induction quenching, and the inductor solves the problems that the relative position between a workpiece and the inductor is not well aligned in the prior art and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: a sensor with centering for induction quenching comprises a centering center matched with an inner hole of a workpiece for centering and a center seat used for fixing the centering center, wherein a conductive bar which supplies current through connection with an external power supply is coaxially arranged at the upper part of the center seat;
the center seat sequentially comprises a conical section, a cylindrical section and a circular ring section with a notch I, which are coaxially arranged from bottom to top, wherein the diameter of a large-diameter end at the upper part in the conical section is larger than that of the cylindrical section, and the diameter of the cylindrical section is equal to the outer diameter of the circular ring section;
the conductive bar is formed by connecting two symmetrically arranged contact plates, a gap is reserved between the two contact plates, the lower part of the conductive bar is in a cylindrical shape with steps, and the step surfaces of the conductive bar are closely attached to the corresponding side walls of the circular ring sections;
the induction heating assembly is sleeved outside the cylindrical section and sequentially comprises an inner magnetizer, an effective ring and an outer magnetizer from inside to outside by taking the central line of the center seat as the center, the annular outer magnetizer is clamped at the upper part of the effective ring, a notch II is arranged on the outer magnetizer, two wires are arranged on the effective ring, and the wires penetrate through the notch II to be connected with a contact plate of the conductive bar so as to lead current to the effective ring.
The two contact plates comprise a cuboid fixed part and an arc-shaped conductive part positioned below the fixed part, connecting blocks and screws are arranged at two end parts of the fixed part, which are perpendicular to the extending direction of the gap, and the screws penetrate through the connecting blocks and are connected with threaded holes arranged at the end parts of the fixed part to realize the fixation of the two contact plates.
The locking sleeve is cylindrical and formed by hinging two completely identical semi-circular arc-shaped clamping sleeves, an annular groove matched with a circle of bulge at the lower part of the conductive bar is formed in the upper part of the inner wall of the locking sleeve, an annular bulge matched with a circle of groove on the circular ring section is formed in the lower part of the inner wall of the locking sleeve, and an arc-shaped groove for preventing the wire from being extruded is further formed in the inner wall at the lower part of the locking sleeve.
The outer magnetizer comprises an upper circular ring part and a lower circular ring part which have different inner diameters and are provided with openings, the circular ring part with smaller inner diameter positioned at the upper part is matched with the upper end part of the effective ring, the circular ring part with larger inner diameter positioned at the lower part is matched with the outer wall of the effective ring, the side walls positioned at the same side in the openings of the two circular ring parts are coincided, and the openings of the two circular ring parts form a gap II.
The conducting wire on the effective ring is connected with the small-diameter section of the conducting bar extending to the inside of the circular ring section.
The invention has the beneficial effects that: the inductor has the advantages of simple structure, reasonable design and convenient operation, can effectively ensure the quenching quality of the workpiece, realizes centering between the inductor and the workpiece through the centering center, and can inevitably improve and enhance the uniformity and consistency of the quenching layers of the same workpiece; meanwhile, the time for manual alignment is shortened, and the working efficiency is improved. The method has the following advantages:
1. the inductor can realize the concentricity of the inductor and the conical surface of the workpiece through the centering center, and the consistency of the inductor and the position of the workpiece can be realized when the same workpiece is replaced each time when the conical surface of the workpiece is heated by the inductor, so that the heated workpiece is consistent in the aspects of depth of layer, hardness, appearance and the like;
2. the induction ring is additionally provided with the magnetizer, so that the magnetic leakage loss can be reduced, the efficiency of the inductor is improved, and the current is driven to be close to the surface of the heated workpiece;
3. the locking sleeve is formed by hinging two semicircular cutting sleeves which are completely consistent, and grooves or bulges matched with the locking sleeve are arranged on the center seat and the conductive bar, so that the center seat and the conductive bar are more convenient and firmer to position and lock, and the sensor is also favorable for quick disassembly.
Drawings
FIG. 1 is a schematic structural diagram of an inductor according to the present invention;
FIG. 2 is an assembled view of the inductor of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a cross-sectional view B-B of FIG. 1;
fig. 5 is a diagram illustrating a state of use of the sensor of the present invention.
The labels in the figure are: 1. the centering center comprises a centering center, 2, a center seat, 201, a conical section, 202, a cylindrical section, 203, a circular ring section, 3, an inner magnetizer, 4, an outer magnetizer, 5, an effective ring, 6, a conductive bar, 61, a fixing part, 62, an arc-shaped conductive part, 7, a connecting block, 8, a screw, 9 and a locking sleeve.
Detailed Description
The following description of specific embodiments (examples) of the present invention are provided in conjunction with the accompanying drawings to enable those skilled in the art to better understand the present invention.
The terms "upper", "lower", and the like as used herein, which denote orientations, are described with reference to the relative positions shown in fig. 1.
The core of the invention is to provide an inductor with centering for induction quenching, which can solve the problem of poor alignment of the relative position between a workpiece and the inductor, so that the alignment relationship between the inductor and the workpiece is the same every time.
Referring to the attached drawings 1-4 of the specification, the inductor mainly comprises a centering center 1 for centering an inner hole of a workpiece and a center seat 2 for fixing the centering center 1, wherein a conductive bar 6 capable of providing current through being connected with an external power supply is placed on the upper portion of the center seat 2, an induction heating assembly capable of being matched with the conductive bar 6 to heat the workpiece is sleeved outside the center seat 2, and a locking sleeve 9 for locking the conductive bar 6 and the center seat 2 is arranged above the induction heating assembly; the inductor is superposed with the inner hole of the workpiece through the centering center 1, so that the accuracy of the relative position of the effective ring 5 of the inductor and the conical surface of the workpiece to be heated is achieved.
It should be noted that, a workpiece to be heat-treated on the conical surface has a through hole or a blind hole concentric with the workpiece, and the centering center 1 is matched with the through hole or the blind hole to realize centering.
Further, the center seat 2 sequentially comprises a conical section 201, a cylindrical section 202 and a circular section 203 with a notch I from bottom to top, the conical section 201, the cylindrical section 202 and the circular section 203 are coaxially arranged, the diameter of the large-diameter end of the upper portion of the conical section 201 is larger than that of the cylindrical section 202, the diameter of the cylindrical section 202 is equal to that of the circular section 203, and a threaded hole in threaded connection with the centering center 1 penetrates through the conical section 201 and extends into the cylindrical section 202.
Further, the lower part of the conductive bar 6 is in a cylindrical shape with steps, the step surface of the conductive bar 6 is tightly attached to the corresponding side wall of the circular ring segment 203, the conductive bar 6 comprises two contact plates symmetrically arranged along the axis of the conductive bar, and a gap is reserved between the two contact plates.
Further, cylinder section 202 outside is located to the induction heating subassembly cover, the induction heating subassembly uses the central line of apex seat 2 to include interior magnetizer 3, effective circle 5 and outer magnetizer 4 from inside to outside in proper order as the center, and the upper portion of effective circle 5 is located to the circular ring form outer magnetizer 4 card, is equipped with breach II on the outer magnetizer 4, is equipped with two wires on the effective circle 5, the wire passes breach II and is connected in order to lead the effective circle 5 with the electric current with the contact plate. It should be noted that two wires are respectively welded to the two contact plates to form a loop.
It should be noted that, each of the two contact plates includes a rectangular fixing portion 61 and an arc-shaped conductive portion 62 located below the fixing portion 61, two end portions of the fixing portion 61 perpendicular to the extending direction of the gap are respectively provided with a connecting block 7 and a screw 8, and the screw 8 penetrates through the connecting block 7 and is connected with a threaded hole located at the end portion of the fixing portion 61 to fix the two contact plates.
It should be mentioned that the cylinder lock sleeve 9 is formed by two completely identical semi-circular arc-shaped cutting sleeves in a hinged manner, the upper portion of the inner wall of the lock sleeve 9 is provided with a circular groove matched with the circle of the protrusion on the lower portion of the conductive bar 6, the lower portion of the inner wall of the lock sleeve 9 is provided with a circular protrusion matched with the circle of the groove on the circular section 203, and the inner wall of the lower portion of the lock sleeve 9 is provided with an arc-shaped groove for preventing the wire from being extruded.
In detail, outer magnetizer 4 includes two upper and lower unequal open-ended rings portion of internal diameter, and the lower surface that is located the less ring portion of internal diameter on upper portion cooperatees with the upper end of effective circle 5, and the side that is located the great ring portion of internal diameter of lower part cooperatees with the outer wall of effective circle 5, and the lateral wall that is located the homonymy in the opening of two ring portions coincides mutually, and the opening of two ring portions forms breach II.
In detail, the wire on the active ring 5 is connected to a small diameter section of the conductive bar 6 extending to the inside of the circular ring section 203.
The inductor has a centering function, so after the components in the inductor are assembled, the effective heating surfaces of the centering center 1 and the effective ring 5 need to be corrected to meet the concentricity requirement.
As shown in fig. 5, the method of using the inductor of the present invention is: when the centering device works, the centering center 1 is firstly enabled to enter an inner hole of a workpiece to play a centering role, then the inductor or the workpiece moves to an ideal heating distance to heat the workpiece, after the heating is finished, the workpiece or the inductor moves to separate the inductor from the workpiece, a part is taken down, then the next workpiece is heated, and the heating is continuously finished by the same operation steps and methods, so that the relative position of the inductor and the workpiece is basically the same every time.
The inductor can realize the concentricity of the inductor and the conical surface of the workpiece through the centering center 1, and can realize the consistency of the inductor and the workpiece position when the same workpiece is replaced every time when the conical surface of the workpiece is heated by the inductor, thereby ensuring the consistency of the heated workpiece in the aspects of depth of layer, hardness, appearance and the like.
The principles and embodiments of the present invention are explained herein using specific examples, which are intended only to facilitate an understanding of the methods and core concepts of the present invention. It should be noted that any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are within the protective scope of the present invention to those skilled in the art.
Claims (5)
1. An inductor with centering for induction quenching, characterized in that: the centering device comprises a centering center (1) matched and centered with an inner hole of a workpiece and a center seat (2) used for fixing the centering center (1), wherein a conductive bar (6) which supplies current through connection with an external power supply is coaxially arranged on the upper part of the center seat (2), an induction heating assembly which is matched with the conductive bar (6) to heat the workpiece is sleeved outside the center seat (2), and a locking sleeve (9) used for locking the conductive bar (6) and the center seat (2) is arranged above the induction heating assembly;
the center seat (2) sequentially comprises a conical section (201), a cylindrical section (202) and a circular ring section (203) with a notch I, which are coaxially arranged from bottom to top, the diameter of a large-diameter end positioned at the upper part in the conical section (201) is larger than that of the cylindrical section (202), and the diameter of the cylindrical section (202) is equal to the outer diameter of the circular ring section (203);
the conductive bar (6) is formed by connecting two symmetrically arranged contact plates, a gap is reserved between the two contact plates, the lower part of the conductive bar (6) is in a cylindrical shape with steps, and the step surfaces of the conductive bar (6) are closely attached to the corresponding side walls of the circular ring sections (203);
the outside of cylinder section (202) is located to the induction heating subassembly cover, the central line that the induction heating subassembly used apex seat (2) includes magnetizer (3), effective circle (5) and outer magnetizer (4) from inside to outside in proper order as the center, and the upper portion of effective circle (5) is located to annular outer magnetizer (4) card, is equipped with breach II on outer magnetizer (4), is equipped with two wires on effective circle (5), the wire passes the contact plate of breach II and conductive row (6) and is connected in order to cause effective circle (5) with electric current.
2. The induction hardening centered inductor of claim 1, wherein: two contact plates all include fixed part (61) of cuboid and arc conductive part (62) that are located fixed part (61) below, all are equipped with connecting block (7) and screw (8) with two tip of clearance extending direction vertically on fixed part (61), screw (8) pass connecting block (7) and are connected in order to realize the fixed of two contact plates with the screw hole of locating fixed part (61) tip.
3. The induction hardening centered inductor of claim 1, wherein: the locking sleeve (9) is cylindrical and is formed by hinging two completely identical semi-circular arc-shaped clamping sleeves, a circle of annular groove matched with the circle of the lower part of the conductive bar (6) is arranged on the upper part of the inner wall of the locking sleeve (9), a circle of annular protrusion matched with the circle of groove on the circular ring section (203) is arranged on the lower part of the inner wall of the locking sleeve (9), and an arc-shaped groove for preventing a wire from being extruded is further arranged on the inner wall of the lower part of the locking sleeve (9).
4. The induction hardening centered inductor of claim 1, wherein: outer magnetizer (4) are including two upper and lower unequal take open-ended rings portion of internal diameter, and the less ring portion of internal diameter that is located the upper portion cooperatees with the upper end of effective circle (5), and the great ring portion of internal diameter that is located the lower part cooperatees with the outer wall of effective circle (5), and the lateral wall that is located the homonymy in the opening of two ring portions coincides mutually, and the opening of two ring portions forms breach II.
5. The induction hardening centered inductor of claim 1, wherein: and the conducting wire on the effective ring (5) is connected with the small-diameter section of the conducting bar (6) extending to the inside of the circular ring section (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381787.XA CN110904307A (en) | 2019-12-27 | 2019-12-27 | Inductor with centering for induction quenching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381787.XA CN110904307A (en) | 2019-12-27 | 2019-12-27 | Inductor with centering for induction quenching |
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| Publication Number | Publication Date |
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| CN110904307A true CN110904307A (en) | 2020-03-24 |
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| CN201911381787.XA Pending CN110904307A (en) | 2019-12-27 | 2019-12-27 | Inductor with centering for induction quenching |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA707693A (en) * | 1965-04-13 | G. Armstrong Robert | Semi-automatic locating automatic centering induction heating apparatus | |
| EP0041317A1 (en) * | 1980-05-08 | 1981-12-09 | Park-Ohio Industries, Inc. | Method and apparatus for inductively heating valve seat inserts for hardening the seat surfaces |
| US4628167A (en) * | 1985-06-27 | 1986-12-09 | Tocco, Inc. | Apparatus for inductively hardneing the interior surface of objects |
| US5488219A (en) * | 1993-12-13 | 1996-01-30 | Neturen Co., Ltd. | Induction heating coil assembly and method for hardening inner surface of cylinder by using the same |
| JPH093530A (en) * | 1995-06-22 | 1997-01-07 | Mazda Motor Corp | Induction hardening apparatus |
| CN2250467Y (en) * | 1996-04-05 | 1997-03-26 | 李钟镐 | Water supply pipe connector |
| CN105838850A (en) * | 2016-05-03 | 2016-08-10 | 芜湖佳先传动轴有限公司 | Disk six-hole ball cage constant velocity universal joint shell induction hardening tooling |
| CN207276653U (en) * | 2017-07-06 | 2018-04-27 | 保定华建机械有限公司 | Horizontal intermediate frequency annealing device |
| CN108220553A (en) * | 2016-12-14 | 2018-06-29 | 天津建筑机械厂 | Idle wheel link shaft superaudio induction hardening positioning device |
| CN209322943U (en) * | 2018-12-20 | 2019-08-30 | 金华新天齿轮有限公司 | A kind of automobile axle drive bevel gear screw thread annealing Supersonic frequency inductor |
| CN211497695U (en) * | 2019-12-27 | 2020-09-15 | 洛阳升华感应加热股份有限公司 | Inductor with centering for induction quenching |
-
2019
- 2019-12-27 CN CN201911381787.XA patent/CN110904307A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA707693A (en) * | 1965-04-13 | G. Armstrong Robert | Semi-automatic locating automatic centering induction heating apparatus | |
| EP0041317A1 (en) * | 1980-05-08 | 1981-12-09 | Park-Ohio Industries, Inc. | Method and apparatus for inductively heating valve seat inserts for hardening the seat surfaces |
| US4628167A (en) * | 1985-06-27 | 1986-12-09 | Tocco, Inc. | Apparatus for inductively hardneing the interior surface of objects |
| US5488219A (en) * | 1993-12-13 | 1996-01-30 | Neturen Co., Ltd. | Induction heating coil assembly and method for hardening inner surface of cylinder by using the same |
| JPH093530A (en) * | 1995-06-22 | 1997-01-07 | Mazda Motor Corp | Induction hardening apparatus |
| CN2250467Y (en) * | 1996-04-05 | 1997-03-26 | 李钟镐 | Water supply pipe connector |
| CN105838850A (en) * | 2016-05-03 | 2016-08-10 | 芜湖佳先传动轴有限公司 | Disk six-hole ball cage constant velocity universal joint shell induction hardening tooling |
| CN108220553A (en) * | 2016-12-14 | 2018-06-29 | 天津建筑机械厂 | Idle wheel link shaft superaudio induction hardening positioning device |
| CN207276653U (en) * | 2017-07-06 | 2018-04-27 | 保定华建机械有限公司 | Horizontal intermediate frequency annealing device |
| CN209322943U (en) * | 2018-12-20 | 2019-08-30 | 金华新天齿轮有限公司 | A kind of automobile axle drive bevel gear screw thread annealing Supersonic frequency inductor |
| CN211497695U (en) * | 2019-12-27 | 2020-09-15 | 洛阳升华感应加热股份有限公司 | Inductor with centering for induction quenching |
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