CN102492822B - Cam conjugate induction hardening equipment - Google Patents
Cam conjugate induction hardening equipment Download PDFInfo
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- CN102492822B CN102492822B CN2011104480466A CN201110448046A CN102492822B CN 102492822 B CN102492822 B CN 102492822B CN 2011104480466 A CN2011104480466 A CN 2011104480466A CN 201110448046 A CN201110448046 A CN 201110448046A CN 102492822 B CN102492822 B CN 102492822B
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- cam
- quenching
- working face
- roller
- conjugation
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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 discloses cam conjugate induction hardening equipment. The equipment comprises an active cam of a conjugate cam, and the active cam comprises a driving rod, a follower lever and a quenching required cam; the driving rod and the follower lever are fixedly connected and are hinged according to a way capable of rotating around a common axis; an end far from a hinge point of the driving rod is provided with a roller contacting with a working face of the active cam; n end far from a hinge point of the follower lever is provided with a quenching inductor for induction quenching of a working face of the quenching required cam; a position right opposite to the working face of the quenching required cam is conjugated with a contact position of the active cam and the roller; and the driving rod or the roller is provided with pretightening force for pressing the roller on the working face of the active cam. According to the invention, a distance between the inductor and the quenching required cam is unchanged to guarantee that a linear velocity between the working face and the inductor is unchanged, so as to guarantee a same quenching time on each workpiece surface during a quenching process and endow each part of the working face of the quenching required cam with a basically same hardening layer depth.
Description
Technical field
The present invention relates to a kind of parts thermal treatment unit, particularly a kind of induction hardening equipment for cam.
Background technology
Cam is component comparatively commonly used in the mechanical transmission.Because cam drive is undertaken by the sliding friction of cam face, thereby, in the cam manufacturing processed, need to quench to its surface, to guarantee hardness and wear resistance.
In the prior art, cam (axle) induction quenching adopts circular ring type and profiling inductor block, the circular ring type quenching inducer is only applicable to the less cam of size (axle), and such as automobile camshaft, and the homogeneity of cam quench-hardened case is undesirable, cause the part surface depth of hardening excessive, such as adopting circular ring type and profiling inductor block all easily to cause the nose position overheated, depth of hardening zone is darker, and cam transition area is difficult for heating, depth of hardening zone is more shallow, and final cam depth of hardening zone is inhomogeneous.Simultaneously, the profiling inductor block is made trouble, and different cam (axle) is needed different profiling inductor blocks, and use cost is higher, and working efficiency is lower.
Therefore, need a kind of induction hardening equipment that is applicable to cam, have lower cost, simple to operate, can carry out induction quenching to cam working face uniformly, make each position depth of hardening zone of cam working face basic identical, guarantee the homogeneity of cam depth of hardening zone.
Summary of the invention
In view of this, purpose of the present invention provides a kind of cam conjugation induction hardening equipment, has lower cost, simple to operate, can carry out induction quenching to cam working face uniformly, make each position depth of hardening zone of cam working face basic identical, guarantee the homogeneity of cam depth of hardening zone.
Cam conjugation induction hardening equipment of the present invention, comprise driving stem, tappet and form the actuating cam of conjugate cam group with need quenching cam, described driving stem is fixedly connected with tappet and with can be hinged around the mode that common axis line rotates, driving stem is provided with the roller that contacts for the actuating cam working face away from the end of pin joint, tappet is provided with for to the induction hardened inductor block of need quenching cam working face away from the end of pin joint, need on the quenching cam working face over against the position of inductor block and the actuating cam position conjugation with roller contact, described driving stem or roller are provided be used to making roller be pressed in the preliminary tension of actuating cam working face.
Further, described driving stem and tappet are fixedly connected on the rotating shaft that an axis is parallel to the actuating cam pivot center jointly, and the rotating shaft two ends are rotatably assorted respectively and are supported in corresponding supporting base;
Further, described roller is spherical rolling body;
Further, described rotating shaft two ends are rotatably assorted by needle bearing respectively and are supported in corresponding supporting base;
Further, the relative end cap that is respectively equipped with for restriction rotating shaft axial float with the both ends of rotating shaft is provided with the rolling surface bearing on two supporting seats between end cap and the roller end;
Further, described inductor block is the column structure that axis is parallel to the actuating cam axis, and the length of inductor block is at least greater than the axial width of need quenching cam;
Further, described actuating cam rotate so that the relative linear velocity that needs quenching cam working face and inductor block at the uniform velocity;
Further, described driving stem is provided with for the spring that it is applied pulling force or pressure, makes roller be pressed in the actuating cam working face and keeps in touch within running period;
Further, be positioned on the inductor block with actuating cam sense of rotation phase the same side and be fixed with for the shower nozzle to need quenching cam quenching water spray.
Beneficial effect of the present invention: cam conjugation induction hardening equipment of the present invention, adopt driving stem and the tappet structure of conjugation, and utilize the transport characteristics of conjugate cam, need quenching cam is carried out induction quenching, so that the working face that inductor block and cam need quench distance is constant, and by adjusting the rotation mode (circular frequency) of actuating cam, need also can guarantee the relative linear velocity between quenching cam working face and the inductor block constant, thereby guarantee that each position of workpiece surface has the identical cool time in the induction quenching process, thereby reach uniformly need quenching cam working face is carried out induction hardened purpose, make each position depth of hardening zone of cam working face basic identical, guarantee the homogeneity of cam depth of hardening zone, structure only needs driving stem and the tappet of jointed shaft assembly and conjugation; This induction hardening equipment is simple to operate, can obtain different depths of hardening zone by regulating speed of rotation, uses and low cost of manufacture.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is structure principle chart of the present invention;
Fig. 2 is jointed shaft structure sectional view of the present invention;
Fig. 3 is the sensor structure synoptic diagram.
Embodiment
Fig. 1 is radial cross-section of the present invention, Fig. 2 is the axial sectional view of the present invention, Fig. 3 is Figure 1A place view, as shown in the figure: the cam conjugation induction hardening equipment of present embodiment, comprise driving stem 3, tappet 5 and form the actuating cam 1 of conjugate cam groups with need quenching cam 13, described driving stem 3 is fixedly connected with tappet 5 and with can be hinged around the mode that common axis line rotates, driving stem 3 is provided with the roller 2 that contacts for actuating cam 1 working face away from the end of pin joint, tappet 5 is provided with for to the induction hardened inductor block 6 of need quenching cam 13 working faces away from the end of pin joint, need on quenching cam 13 working faces over against the position of inductor block 6 and the actuating cam 1 position conjugation with roller contact, described driving stem 5 or roller 2 are provided be used to making roller 2 be pressed in the preliminary tension of actuating cam 1 working face; Needing quenching cam 13 and the mode of actuating cam 1 can adopt existing mechanical erection structure, comprise being installed on the same axle and in the circumferential direction fixed installation forming the conjugate cam group, also can be to form by connection for transmission.
In the present embodiment, described driving stem and tappet are fixedly connected on the rotating shaft that an axis is parallel to the actuating cam pivot center jointly, and the rotating shaft two ends are rotatably assorted respectively and are supported in corresponding supporting base; Adopt common fixing same axle construction (can adopt welding), and in conjunction with supporting base 9, the swing in other orientation does not occur in driving stem 3 and tappet 5 under the effect of rotating shaft 7 and supporting base 9, utilize its degree of freedom of simple structural limitations, guarantee carrying out smoothly of quenching, and guarantee its precision.
In the present embodiment, described roller 2 is spherical rolling body, can adopt spherical groove that spherical rolling body is embedded wherein, guarantees the rotation of spherical each degree of freedom of rolling body; Also can adopt by the axle of the spherical rolling body centre of sphere and realize that it rolls, and all can realize the purpose of rolling; Because the running status of roller 2 directly determines the quality of quenching then to adopt spherical rolling body to contact for point with cam I1a working face, avoids disturbing, with the high precision of assurance quenching process.
In the present embodiment, described rotating shaft 7 two ends are rotatably assorted by needle bearing 8 respectively and are supported in corresponding supporting base 9; Needle roller axle 8 holds has higher radial accuracy, and play is less, avoids beating and the quenching mass deviation that causes.
In the present embodiment, the relative end cap 11 that is respectively equipped with for restriction rotating shaft 7 axial floats with the both ends of rotating shaft 7 is provided with rolling surface bearing 10 between end cap 11 and rotating shaft 7 ends on two supporting seats 9; The axial float of restriction rotating shaft 7 in conjunction with the restriction of diameter run-out, guarantees the motion single degree of freedom of driving stem 3 and tappet 5, thereby guarantees the quenching quality.
In the present embodiment, described inductor block 6 is parallel to the column structure of actuating cam 1 axis for axis, and the length of inductor block 6 is at least greater than the axial width of need quenching cam; The action direction that can guarantee 6 couples of cam II1b of inductor block keeps vertical with cam II1b working face corresponding point tangent plane, to guarantee best induction heating effect; As shown in the figure, inductor block 6 is hollow structure, and inner same recirculated cooling water is to guarantee the normal use of inductor block 6.
In the present embodiment, described actuating cam 1 rotate so that the relative linear velocity that needs quenching cam 13 working faces and inductor block 6 at the uniform velocity; Can reach by the circular frequency of adjusting actuating cam 1, to guarantee the quenching quality; Drive actuating cam 1 by time variable control and rotate, can realize goal of the invention.
In the present embodiment, described driving stem is provided with for the spring that it is applied pulling force or pressure, makes roller be pressed in the actuating cam working face and keeps in touch within running period; As shown in the figure, adopt spring 4 to apply pulling force and realize that spring 4 one ends are connected in driving stem 3, the other end is positioned at a side identical with actuating cam 1 to be fixed, and driving stem 3 is exerted pressure, and guarantees stickiness.
In the present embodiment, be positioned on the inductor block 6 with actuating cam 1 sense of rotation phase the same side and be fixed with for the shower nozzle 12 to need quenching cam 13 quenching water sprays; After inductor block 6 will need the certain temperature of quenching cam 13 heating, shower nozzle 12 water spray coolings can obtain good martensitic stucture, and inductor block 6 remains constant, the quench-hardened case that can obtain being evenly distributed with needing quenching cam 13 working face gaps.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. cam conjugation induction hardening equipment, it is characterized in that: comprise driving stem, tappet and form the actuating cam of conjugate cam group with need quenching cam, described driving stem is fixedly connected with tappet and with can be hinged around the mode that common axis line rotates, driving stem is provided with the roller that contacts for the actuating cam working face away from the end of pin joint, tappet is provided with for to the induction hardened inductor block of need quenching cam working face away from the end of pin joint, need on the quenching cam working face over against the position of inductor block and the actuating cam position conjugation with roller contact, described driving stem or roller are provided be used to making roller be pressed in the preliminary tension of actuating cam working face; Described inductor block is the column structure that axis is parallel to the actuating cam axis, and the length of inductor block is greater than the axial width of need quenching cam; Inductor block remains constant with needing quenching cam working face gap.
2. cam conjugation induction hardening equipment according to claim 1, it is characterized in that: described driving stem and tappet are fixedly connected on the rotating shaft that an axis is parallel to the actuating cam pivot center jointly, and the rotating shaft two ends are rotatably assorted respectively and are supported in corresponding supporting base.
3. cam conjugation induction hardening equipment according to claim 2, it is characterized in that: described roller is spherical rolling body.
4. cam conjugation induction hardening equipment according to claim 3 is characterized in that: described rotating shaft two ends are rotatably assorted by needle bearing respectively and are supported in corresponding supporting base.
5. cam conjugation induction hardening equipment according to claim 4 is characterized in that: the relative end cap that is respectively equipped with for restriction rotating shaft axial float with the both ends of rotating shaft on two supporting seats is provided with the rolling surface bearing between end cap and the roller end.
6. cam conjugation induction hardening equipment according to claim 1 is characterized in that: described actuating cam rotate so that the relative linear velocity that needs quenching cam working face and inductor block at the uniform velocity.
7. cam conjugation induction hardening equipment according to claim 6, it is characterized in that: described driving stem is provided with for the spring that it is applied pulling force or pressure, makes roller be pressed in the actuating cam working face and keeps in touch within running period.
8. cam conjugation induction hardening equipment according to claim 7 is characterized in that: be positioned on the inductor block with actuating cam sense of rotation phase the same side and be fixed with for the shower nozzle to need quenching cam quenching water spray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104480466A CN102492822B (en) | 2011-12-28 | 2011-12-28 | Cam conjugate induction hardening equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104480466A CN102492822B (en) | 2011-12-28 | 2011-12-28 | Cam conjugate induction hardening equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102492822A CN102492822A (en) | 2012-06-13 |
| CN102492822B true CN102492822B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104480466A Expired - Fee Related CN102492822B (en) | 2011-12-28 | 2011-12-28 | Cam conjugate induction hardening equipment |
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| CN (1) | CN102492822B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148645A (en) * | 2016-08-23 | 2016-11-23 | 盐城高周波热炼有限公司 | A kind of revolving support servo-actuated compensation device of raceway groove impewdance matching |
| CN112543524B (en) * | 2020-12-23 | 2022-08-05 | 河南力捷数控技术有限公司 | Special induction heating equipment for heating pulley base body |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104854A (en) * | 1985-06-21 | 1987-01-28 | 武进齿轮厂 | No. 45 steel fine module gear forged harding technology and quenching machine |
| CN102230059A (en) * | 2011-06-29 | 2011-11-02 | 十堰恒进科技有限公司 | Whole quenching device of circular track |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4508473B2 (en) * | 2001-05-31 | 2010-07-21 | 電気興業株式会社 | Induction hardening method of camshaft |
| JP5414105B2 (en) * | 2009-06-16 | 2014-02-12 | 富士電子工業株式会社 | Eccentric drive mechanism of heating coil of high frequency induction heating device |
-
2011
- 2011-12-28 CN CN2011104480466A patent/CN102492822B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104854A (en) * | 1985-06-21 | 1987-01-28 | 武进齿轮厂 | No. 45 steel fine module gear forged harding technology and quenching machine |
| CN102230059A (en) * | 2011-06-29 | 2011-11-02 | 十堰恒进科技有限公司 | Whole quenching device of circular track |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2002-356719A 2002.12.13 |
| JP特开2011-1978A 2011.01.06 |
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| CN102492822A (en) | 2012-06-13 |
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