CN203440418U - Sensor for processing induction hardening and spray cooling of two gears simultaneously - Google Patents
Sensor for processing induction hardening and spray cooling of two gears simultaneously Download PDFInfo
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- CN203440418U CN203440418U CN201320499240.1U CN201320499240U CN203440418U CN 203440418 U CN203440418 U CN 203440418U CN 201320499240 U CN201320499240 U CN 201320499240U CN 203440418 U CN203440418 U CN 203440418U
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- tooth
- inducing
- injector
- coil
- gears
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Abstract
A sensor for processing induction hardening and spray cooling of two gears simultaneously comprises two inducing coils, two groups of bus-bars, two ejectors and hardening liquid tubes, wherein the two inducing coils correspond to two gears of a workpiece respectively; one end of each group of bus-bars is connected with the corresponding inducing coil, and the other end is connected with a power supply; and the two ejectors are respectively and correspondingly arranged on inner rings of the two inducing coils in a sleeving manner, and ejecting holes are formed in the ejectors; and one end of each hardening liquid tube is communicated with the corresponding ejector, and the other end is communicated with a liquid supply device. With the arrangement of the two inducing coils, the ejectors are arranged on inner rings of the two inducing coils in a sleeving manner, and then the gears enter corresponding inducing coils for heating during use and enter an ejecting area for cooling after heated to a hardening temperature. The two gears are processed simultaneously, the hardening conditions of the two gears are basically similar, so that hardening layer check-out time and tempering time can be reduced, hardness deviation caused by mutual heat conduction between the two gears is avoided, and tool use is reduced. The sensor is reasonable in structural design and convenient to operate, and the production efficiency and the production quality can be improved greatly.
Description
Technical field
The utility model relates to powder metallurgy production technical field, especially a kind ofly processes two gear induction quenchings simultaneously and sprays cooling inductor block.
Background technology
In prior art, to have the workpiece induction quenching mode of two gears be all generally to adopt gradation to quench to powder metallurgy, first processes a gear, processes second gear after checking this tooth case depth qualified again, again checks the case depth of second tooth.Make the workpiece of processing in this way two need gears to be processed often need two quenching apparatus, two gears separately quench, and efficiency is low; After a gear quenching is complete, need to check hardened layer, also need check after another gear quenching is complete, efficiency is low; A complete rear tempering of gear quenching, also wants tempering after another gear quenching is complete, two tempering, and efficiency is low; When processing a gear, heat can be transmitted to another gear, likely can affect the surface hardness of second gear, needs frock to completely cut off the conduction of heat in addition.In sum, the method steps of workpiece of generally processing two gears is more, and efficiency is low.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of reasonable in design for the above-mentioned state of the art, processes two gear induction quenchings and spray cooling inductor block in the time of easy to operate.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind ofly process two gear induction quenchings simultaneously and spray cooling inductor block, it is characterized in that comprising:
For generation of magnetic field, carry out two inducing coils of heated parts, corresponding with two gears of workpiece respectively;
Two groups of bus-bars that are used for supply current to be defeated by inducing coil, one end is connected with inducing coil, and the other end is connected with power supply;
Two for spraying cooling fluid with the injector of cooling workpiece, correspondence is set on the inner ring of two inducing coils respectively, and the inwall of injector is provided with a plurality of spray holes;
The quench fluid tube being connected with two injectors respectively, one end is connected with injector, and the other end is connected with liquid feed device.
As improvement, described two inducing coils are respectively the little tooth inducing coil corresponding with the little tooth of workpiece and the canine tooth inducing coil corresponding with the canine tooth of workpiece, little tooth inducing coil and canine tooth inducing coil are that annular is up and down and be arranged in parallel, and the distance between the two equates with the height between canine tooth with little tooth.
As improvement, the external diameter of described little tooth ruhmkorff coil is greater than 2～2.5mm of little tooth tooth top external diameter, the height of little tooth ruhmkorff coil is greater than 2～10mm of little tooth height, the external diameter of canine tooth ruhmkorff coil is greater than 2～2.5mm of canine tooth tooth top external diameter, and the height of canine tooth ruhmkorff coil is greater than 2～10mm of large tooth height.
As improvement, described injector is annular, be set in respectively on the inner ring of little tooth inducing coil and canine tooth inducing coil, described spray hole is staggered and is arranged on the inwall of injector, the hatch bore diameter of spray hole is 1.5～1.8mm, the bottom part aperture diameter of spray hole is 3～3.5mm, and the spacing of adjacent two row's spray holes is 3～4mm, and the axis of spray hole and the axis angle of workpiece are 25 °～45 °.
Improve, described quench fluid tube is two groups up and down corresponding with injector again, and every group is provided with 2～5 quench fluid tubes, and the interface of every group of quench fluid tube and injector is uniformly distributed along injector.
Improve, described quench fluid tube is 4 every group again, and described quench fluid tube direction along bus-bar from injector is drawn is laid.
Further improve, also comprise a plate, web plate is provided with connecting hole, and described bus-bar is upwards from little tooth inducing coil or canine tooth inducing overhang are drawn, outwards right angle turnover, by web plate, bus-bar and induction hardening transformer is fixedly clamped.
Compared with prior art, the utility model has the advantage of: be provided with two inducing coils, injector is set on the inner ring of inducing coil, injector is provided with several spray holes, during use, gear is placed on rotating disk, workpiece rises and to make gear enter corresponding inducing coil to heat, and is heated to that to enter inlet zone after quenching temperature cooling.Because being processes two gears simultaneously, the quenching situation of two teeth is basic identical, can reduce hardened layer proving time and tempering time, avoids the mutual conduction of heat between two toothrows to cause hardness deviation, reduces the use of frock.The utility model reasonable in design, easy to operate, can greatly enhance productivity and the quality of production.
Accompanying drawing explanation
Fig. 1 is the structural upright schematic diagram of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the frontview of Fig. 1;
Fig. 4 is the structural representation of injector in Fig. 1;
Fig. 5 is the sectional view of spray hole in Fig. 4;
Fig. 6 is the arrangement mode figure of spray hole in Fig. 4;
Fig. 7 is the structure sectional view of workpiece of the processing of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Fig. 1～6, a kind of two gear induction quenchings oil cooled inductor block that soaks of simultaneously processing, comprise two inducing coils, two groups of bus-bars 3, web plate 4, two injectors 7, quench fluid tube 6, inducing coil is annular, be used for producing magnetic field and carry out heated parts 5, the structure of workpiece 5 as shown in Figure 7, two inducing coils be respectively the little tooth inducing coil 1 corresponding with the little tooth 51 of workpiece 5 and and the corresponding canine tooth inducing coil 2 of canine tooth 52 of workpiece 5, little tooth inducing coil 1 and canine tooth inducing coil 2 are up and down and be arranged in parallel, distance between the two equates with the height between canine tooth 52 with little tooth 51, the external diameter of little tooth ruhmkorff coil 1 is greater than 2～2.5mm of little tooth 51 tooth top external diameters, the height of little tooth ruhmkorff coil 1 is greater than 2～10mm of little tooth 51 height, the external diameter of canine tooth ruhmkorff coil 2 is greater than 2～2.5mm of canine tooth 52 tooth top external diameters, the height of canine tooth ruhmkorff coil 2 is greater than 2～10mm of canine tooth 52 height, bus-bar 3 is for supply current being defeated by inducing coil, and one end of bus-bar 3 is connected with little tooth inducing coil 1 or canine tooth inducing coil 2, and the other end is connected with power supply, injector 7 is two of annular, be set in respectively on the inner ring of little tooth inducing coil 1 and canine tooth inducing coil 2, the inwall of injector 7 is provided with several spray holes 71, spray hole 71 is staggered and is arranged on the inwall of injector 7, the hatch bore diameter of spray hole 71 is 1.5～1.8mm, the bottom part aperture diameter of spray hole 71 is 3～3.5mm, and the spacing of adjacent two row's spray holes 71 is 3～4mm, and the axis angle of the axis of spray hole 71 and workpiece 5 is 25 °～45 °, quench fluid tube 6 is two groups up and down corresponding with injector 7, every group is provided with 4 quench fluid tubes, the interface of quench fluid tube 6 and injector 7 is uniformly distributed along the end face of injector 7, quench fluid tube 6 direction along bus-bar 3 from injector 7 is drawn is laid, and finally makes its other end be connected with liquid feed device, web plate 4 is provided with connecting hole 41, and bus-bar 3 is upwards from draw the end of little tooth inducing coil 1 or canine tooth inducing coil 2, outwards right angle turnover, by web plate 4, bus-bar 3 and induction hardening transformer is fixedly clamped.
Principle of work and working process are as follows: during use, workpiece 5 is placed on rotating disk, the turning axle rotation that driven by motor is connected with rotating disk, make to move on rotating disk and make the canine tooth 52 of workpiece 5 and little tooth 51 enters respectively canine tooth inducing coil 2 and little tooth inducing coil 1 heats, when canine tooth 52 and little tooth 51 are heated to after quenching temperature, hardening liquid enters the injector 7 of ring-type by quench fluid tube 6, then by spray hole 71, hardening liquid is ejected on gear, completes quenching.
The quenching technology parameter of the present embodiment is frequency 200kHz, and be 2.2～3.0s heat-up time, and injection cooling time is 2～3s, and coolant pressure is 0.35MPa.
Referring to Fig. 5, Fig. 6, hardness and hardened layer check after quenching,, workpiece technical requirements: HV
0.1680-820, HV
0.1the case depth 0.6-1.6mm of > 550.Assay: the canine tooth 0.6mm HV of place
0.1687-651-642, average 660, the about 0.9mm of case depth; The little tooth 0.6mm HV of place
0.1692-624-638, average 651, the about 0.9mm of case depth.
The foregoing is only preferred implementation of the present utility model; it should be pointed out that for the ordinary skill in the art, do not departing under principle prerequisite of the present utility model; can also make various deformation and improvement, this also should be considered as protection domain of the present utility model.
Claims (7)
1. process two gear induction quenchings simultaneously and spray a cooling inductor block, it is characterized in that comprising:
For generation of magnetic field, carry out two inducing coils of heated parts, corresponding with two gears of workpiece respectively;
Two groups of bus-bars that are used for supply current to be defeated by inducing coil, one end is connected with inducing coil, and the other end is connected with power supply;
Two for spraying cooling fluid with the injector of cooling workpiece, correspondence is set on the inner ring of two inducing coils respectively, and the inwall of injector is provided with a plurality of spray holes;
The quench fluid tube being connected with two injectors respectively, one end is connected with injector, and the other end is connected with liquid feed device.
2. inductor block according to claim 1, it is characterized in that: described two inducing coils are respectively the little tooth inducing coil corresponding with the little tooth of workpiece and the canine tooth inducing coil corresponding with the canine tooth of workpiece, little tooth inducing coil and canine tooth inducing coil are that annular is up and down and be arranged in parallel, and the distance between the two equates with the height between canine tooth with little tooth.
3. inductor block according to claim 2, it is characterized in that: the external diameter of described little tooth ruhmkorff coil is greater than 2～2.5mm of little tooth tooth top external diameter, the height of little tooth ruhmkorff coil is greater than 2～10mm of little tooth height, the external diameter of canine tooth ruhmkorff coil is greater than 2～2.5mm of canine tooth tooth top external diameter, and the height of canine tooth ruhmkorff coil is greater than 2～10mm of large tooth height.
4. inductor block according to claim 1, it is characterized in that: described injector is annular, be set in respectively on the inner ring of little tooth inducing coil and canine tooth inducing coil, described spray hole is staggered and is arranged on the inwall of injector, the hatch bore diameter of spray hole is 1.5～1.8mm, the bottom part aperture diameter of spray hole is 3～3.5mm, and the spacing of adjacent two row's spray holes is 3～4mm, and the axis of spray hole and the axis angle of workpiece are 25 °～45 °.
5. inductor block according to claim 1, is characterized in that: described quench fluid tube is corresponding with injector two groups up and down, and every group is provided with 2～5 quench fluid tubes, and the interface of every group of quench fluid tube and injector is uniformly distributed along injector.
6. inductor block according to claim 5, is characterized in that: described quench fluid tube is 4 every group, and described quench fluid tube direction along bus-bar from injector is drawn is laid.
7. according to the inductor block described in the arbitrary claim of claim 1 to 6, it is characterized in that: also comprise a plate, web plate is provided with connecting hole, described bus-bar is upwards from little tooth inducing coil or canine tooth inducing overhang are drawn, outwards right angle turnover, by web plate, bus-bar and induction hardening transformer is fixedly clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499240.1U CN203440418U (en) | 2013-08-15 | 2013-08-15 | Sensor for processing induction hardening and spray cooling of two gears simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499240.1U CN203440418U (en) | 2013-08-15 | 2013-08-15 | Sensor for processing induction hardening and spray cooling of two gears simultaneously |
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| Publication Number | Publication Date |
|---|---|
| CN203440418U true CN203440418U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320499240.1U Expired - Lifetime CN203440418U (en) | 2013-08-15 | 2013-08-15 | Sensor for processing induction hardening and spray cooling of two gears simultaneously |
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| CN (1) | CN203440418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372156A (en) * | 2013-08-15 | 2015-02-25 | 东睦新材料集团股份有限公司 | Sensor for concurrently treating induction-quenching spray-cooling of two gears |
-
2013
- 2013-08-15 CN CN201320499240.1U patent/CN203440418U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372156A (en) * | 2013-08-15 | 2015-02-25 | 东睦新材料集团股份有限公司 | Sensor for concurrently treating induction-quenching spray-cooling of two gears |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |