CN202925066U - Die quenching device for inner gear ring - Google Patents
Die quenching device for inner gear ring Download PDFInfo
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- CN202925066U CN202925066U CN 201220621965 CN201220621965U CN202925066U CN 202925066 U CN202925066 U CN 202925066U CN 201220621965 CN201220621965 CN 201220621965 CN 201220621965 U CN201220621965 U CN 201220621965U CN 202925066 U CN202925066 U CN 202925066U
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- quenching
- tooth
- ring gear
- profile
- mold pressing
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Abstract
The utility model discloses a die quenching device for an inner gear ring. The die quenching device comprises a quenching liquid tank and a workbench arranged on the quenching liquid tank, wherein the workbench is provided with a guiderail and a mandril capable of moving vertically; the lower end of the mandril is conical; the guiderail is provided with tooth form simulation die quenching molds which are distributed at the outer side of the mandril, and the tooth forms are matched with the tooth form of the inner gear ring. As the tooth form simulation die quenching molds, the tooth forms of which are matched with the tooth form of the inner gear ring, are adopted, when the inner gear ring is quenched, the deformation of the inner gear ring can be limited from two directions of tooth crest and intertooth spaces by the tooth form simulation die quenching molds, compared with the common mold in the prior art, the deformation of the tooth parts of the inner gear ring can be better controlled, so that the deformation quantity of the inner gear ring in quenching can be reduced, and the quenching precision of the inner gear ring can be improved.
Description
Technical field
The utility model relates to a kind of quenching device, particularly relates to a kind of die quenching device for ring gear.
Background technology
In the Gear Processing process, heat treatment deformation directly affects precision, intensity and the life-span etc. of gear ring.Even increase the roll flute operation after thermal treatment, heat treatment deformation still can reduce the class of precision of gear.The factor that affects heat treatment deformation has a lot, and except the material and the impact of conditioning heat treatment on gear shifting quadrant texturing of gear, quenching is the most important factor that affects heat treatment deformation.
The main dual mode that adopts of gear ring quenching at present is artificial directly oil bath quenching and common die quenching.Wherein, artificial directly oil bath is quenched and is difficult to satisfy the quenching requirement, particularly is difficult to control quenching strain, thereby affects the processing quality of gear ring; The distortion when although common die quenching can be controlled the gear ring quenching to a certain extent, section is out of shape and can not controls well for tooth.
Therefore, how designing a kind of quenching device, can reduce the quenching strain of ring gear, improve the precision of ring gear, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model is to provide a kind of ring gear die quenching device, and this die quenching device can reduce the quenching strain of ring gear, improves the working accuracy of ring gear.
For solving the problems of the technologies described above, the utility model provides a kind of ring gear die quenching device, comprises quenching liquid bath and the worktable that is arranged on described quenching liquid bath, the mandrel that guide rail is installed on described worktable and can moves up and down; The lower end of described mandrel is taper; Imitative profile of tooth mold pressing quenching mould is installed on described guide rail, and described imitative profile of tooth mold pressing quenching mould is distributed in outside described mandrel, and its profile of tooth coordinates with the profile of tooth of ring gear.
Preferably, described imitative profile of tooth mold pressing quenching mould comprises a plurality of imitative profile of tooth fan-shaped moulds, and a plurality of described imitative profile of tooth fan-shaped moulds can form the plate-like mould.
Preferably, be connected with pulsating equipment on described imitative profile of tooth mold pressing quenching mould, in order to described imitative profile of tooth mold pressing quenching mould is carried out the pulsating mold pressing.
Preferably, described pulsating equipment comprises the pulsation element that is connected with described mandrel and the snap ring that is arranged on described imitative profile of tooth mold pressing quenching mould.
Preferably, described pulsation element is the Pneumatic piston cylinder that back and forth impulses.
Preferably, described snap ring is arranged on described imitative profile of tooth mold pressing quenching mould by axle with holes.
Preferably, described worktable is provided with a plurality of fluid inlets, spray hole and liquid outlet.
Preferably, on described worktable, outer cover is installed.
Relative above-mentioned background technology, ring gear die quenching device provided by the utility model comprise quenching liquid bath and the worktable that is arranged on described quenching liquid bath, the mandrel that guide rail is installed on described worktable and can moves up and down; The lower end of described mandrel is taper; Imitative profile of tooth mold pressing quenching mould is installed on described guide rail, and described imitative profile of tooth mold pressing quenching mould is distributed in outside described mandrel, and its profile of tooth coordinates with the profile of tooth of ring gear.Owing to having adopted the imitative profile of tooth mold pressing quenching mould that coordinates with the ring gear profile of tooth, when ring gear is quenched, above-mentioned imitative profile of tooth mold pressing quenching mould can be from tooth top and the distortion of roller seating space both direction restriction gear ring, compare with common die of the prior art, can control better the distortion of gear part of ring gear, thereby reduced the deflection when ring gear quenches, improved the quenching precision of ring gear.
Description of drawings
Fig. 1 provides the structural representation of ring gear die quenching device for the utility model;
Fig. 2 is the structural representation of worktable shown in Fig. 1;
Fig. 3 provides the pulsation element of ring gear die quenching device and the connection diagram of worktable for the utility model;
Fig. 4 is the structural representation of imitative profile of tooth mold pressing quenching mould shown in Fig. 1.
In figure:
Quenching liquid bath 1, worktable 2, fluid inlet 21, liquid outlet 22, mouth spray 23, imitative profile of tooth mold pressing quenching mould 3, imitative profile of tooth fan-shaped mould 31, mandrel 4, snap ring 41, axle with holes 42, guide rail 5, pulsation element 6, support 61, ring gear 7, outer cover 8
Embodiment
Core of the present utility model is to provide a kind of ring gear die quenching device, and this die quenching device can reduce the quenching strain of ring gear, improves the working accuracy of ring gear.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
It is to be noted, the nouns of locality such as upper and lower, the inboard that this paper is involved and the outside are to be arranged in figure and component positions each other defines with component in Fig. 1 to Fig. 4, wherein the inboard and outside defines take mandrel as benchmark, namely close mandrel is inboard, away from mandrel be the outside, the use of the described noun of locality is just in order to explain the clear and convenient of technical scheme; The use that should be appreciated that the described noun of locality should not limit the protection domain of the application's request.
Please refer to Fig. 1 to Fig. 4; Fig. 1 provides the structural representation of ring gear die quenching device for the utility model; Fig. 2 is the structural representation of worktable shown in Fig. 1; Fig. 3 provides the pulsation element of ring gear die quenching device and the connection diagram of worktable for the utility model; Fig. 4 is the structural representation of imitative profile of tooth mold pressing quenching mould shown in Fig. 1.
In a kind of embodiment, ring gear die quenching device provided by the utility model comprises quenching liquid bath 1, and the hardening liquid in quenching liquid bath 1 is cooling and preservation by refrigerating unit.
The upper end of quenching liquid bath 1 is provided with worktable 2; On described worktable 2, guide rail 5 is installed, imitative profile of tooth mold pressing quenching mould 3 is installed on guide rail 5.
Described imitative profile of tooth mold pressing quenching mould 3 comprises that a plurality of imitative profile of tooth fan-shaped mould 31(are shown in Fig. 4), a plurality of imitative profile of tooth fan-shaped moulds 31 can form the plate-like mould, coordinate with ring gear 7 to be quenched.Described ring gear 7 is placed on the outside of described imitative profile of tooth mold pressing quenching mould 3.
The center of described imitative profile of tooth mold pressing quenching mould 3 is fitted with mandrel 4, described mandrel 4 can move up and down, and the lower end of described mandrel 4 is taper, when mandrel 4 moves down, can drive described imitative profile of tooth mold pressing quenching mould 3 and outwards move, thereby ring gear 7 is compressed.
Particularly, described ring gear die quenching device also comprises pulsating equipment, and described pulsating equipment comprises snap ring 41 and pulsation element 6; Described snap ring 41 is arranged on described imitative profile of tooth mold pressing quenching mould 3, can be arranged on described imitative profile of tooth mold pressing quenching mould 3 by axle 42 with holes; Described pulsation element 6 is connected with described mandrel 4.
Particularly, described pulsation element 6 can for the Pneumatic piston cylinder that back and forth impulses, can certainly be set to the pneumatic of other or hydraulic pressure cylinder.
Can drive described mandrel 4 during described pulsation element 6 work moves up and down, when described mandrel 4 moves downward, because the lower end of described mandrel 4 is taper, so can drive the imitative profile of tooth mold pressing quenching mould 3 that is arranged in described mandrel 4 outsides outwards moves, thereby the profile of tooth that makes imitative profile of tooth mold pressing quenching mould 3 coordinates with the profile of tooth of the ring gear 7 that is arranged on imitative profile of tooth mold pressing quenching mould 3 outsides, and with ring gear 7 compressions; When described mandrel 4 moved upward, imitative profile of tooth mold pressing quenching mould 3 was shunk under the effect of snap ring 41, separates with described ring gear 7.
Described pulsation element 6 is arranged on the below of worktable 2, is connected with worktable 2 by support 61.
Also be provided with a plurality of fluid inlets 21 and a plurality of mouth spray 23 on described worktable 2; Preferably, described fluid inlet 21 and described mouth spray 23 evenly distribute.Hardening liquid can arrive ring gear to be quenched 7 by fluid inlet 21 and mouth spray 23.Also be provided with a plurality of liquid outlets 22 on described worktable 2, after quenching, hardening liquid can flow back to quenching liquid bath 1 by liquid outlet 22.
during work, at first the ring gear 7 that will complete heating in process furnace is placed on the worktable 2 of ring gear die quenching device, it is sleeved on the imitative profile of tooth mold pressing quenching mould 3 that is arranged on worktable 2, pulsation element 6 is started working, driving connected mandrel 4 descends, because mandrel 4 lower ends are taper, in the decline process, the conical ends of mandrel 4 can embed in the centre hole of imitative profile of tooth mold pressing quenching mould 3, driving imitative profile of tooth mold pressing quenching mould 3 outwards moves, thereby the external tooth form of imitative profile of tooth mold pressing quenching mould 3 is coordinated with the internal tooth form of ring gear 7, and ring gear 7 is compressed internally, after the air-flow that impulses was connected, pulsation element 6 was completed the pulsation mold pressing to ring gear 7 simultaneously according to predefined amplitude, frequency and vibration sequential working under the cooperation of snap ring 41, meanwhile, open quenching liquid bath 1, make the hardening liquid in it reach ring gear 7 by the fluid inlet 21-mouth spray 23 that is arranged on worktable 2, by the pressure energy conversion of hardening liquid, hardening liquid is distributed on the flank of tooth of ring gear 7.After quenching was completed, hardening liquid flowed back to quenching liquid bath 1 by the liquid outlet 22 that arranges on worktable 2; Under the effect of pulsation element 6, mandrel 4 rises, and imitative profile of tooth mold pressing quenching mould 3 is shunk under the effect of snap ring 41, makes imitative profile of tooth mold pressing quenching mould 3 separate with ring gear 7, and the ring gear 7 that can will complete quenching takes out.
In the quenching process of ring gear, this ring gear die quenching device can be realized by ripple frequency, the temperature of hardening liquid, the isoparametric setting of speed of cooling to the pulsation element controlling quenching.
Compared with prior art, the mould of the utility model ring gear die quenching device is set to imitative profile of tooth mold pressing quenching mould, the profile of tooth of this imitative profile of tooth mold pressing quenching mould is corresponding with the profile of tooth of ring gear to be quenched, make this imitative profile of tooth mold pressing quenching mould can be from the distortion of tooth top and roller seating space both direction restriction ring gear, controlled better the tooth section distortion of ring gear, thereby guaranteed profile of tooth and the teeth directional of ring gear, reduced the deflection of ring gear, improved the quenching precision of ring gear.
Above ring gear die quenching device provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. a ring gear die quenching device, comprise quenching liquid bath and the worktable that is arranged on described quenching liquid bath, the mandrel that guide rail is installed on described worktable and can moves up and down; It is characterized in that, the lower end of described mandrel is taper; Imitative profile of tooth mold pressing quenching mould is installed on described guide rail, and described imitative profile of tooth mold pressing quenching mould is distributed in outside described mandrel, and its profile of tooth coordinates with the profile of tooth of ring gear.
2. ring gear die quenching device as claimed in claim 1, is characterized in that, described imitative profile of tooth mold pressing quenching mould comprises a plurality of imitative profile of tooth fan-shaped moulds, and a plurality of described imitative profile of tooth fan-shaped moulds can form the plate-like mould.
3. ring gear die quenching device as claimed in claim 1 or 2, is characterized in that, is connected with pulsating equipment on described imitative profile of tooth mold pressing quenching mould, in order to described imitative profile of tooth mold pressing quenching mould is carried out the pulsating mold pressing.
4. ring gear die quenching device as claimed in claim 3, is characterized in that, described pulsating equipment comprises the pulsation element that is connected with described mandrel and the snap ring that is arranged on described imitative profile of tooth mold pressing quenching mould.
5. ring gear die quenching device as claimed in claim 4, is characterized in that, described pulsation element is the Pneumatic piston cylinder that back and forth impulses.
6. ring gear die quenching device as claimed in claim 4, is characterized in that, described snap ring is arranged on described imitative profile of tooth mold pressing quenching mould by axle with holes.
7. ring gear die quenching device as claimed in claim 1 or 2, is characterized in that, described worktable is provided with a plurality of fluid inlets, spray hole and liquid outlet.
8. ring gear die quenching device as claimed in claim 1 or 2, is characterized in that, on described worktable, outer cover is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621965 CN202925066U (en) | 2012-11-21 | 2012-11-21 | Die quenching device for inner gear ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621965 CN202925066U (en) | 2012-11-21 | 2012-11-21 | Die quenching device for inner gear ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202925066U true CN202925066U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220621965 Expired - Fee Related CN202925066U (en) | 2012-11-21 | 2012-11-21 | Die quenching device for inner gear ring |
Country Status (1)
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| CN (1) | CN202925066U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451392A (en) * | 2013-09-18 | 2013-12-18 | 江国辉 | Pressure quenching mould for inner ring gear |
| CN105886746A (en) * | 2014-12-08 | 2016-08-24 | 北京金和昌利科贸有限公司 | Induction shape correcting and die quenching and tempering technological method and equipment for annular parts |
| CN109439868A (en) * | 2018-12-20 | 2019-03-08 | 天津天海同步科技有限公司 | A kind of pressure quenching device avoiding the tooth set recessed heart of spline teeth directional |
| CN110106339A (en) * | 2019-05-15 | 2019-08-09 | 宁夏天地奔牛实业集团有限公司 | A kind of continous way rack rails high performance induction process for quenching |
| CN110951951A (en) * | 2019-12-31 | 2020-04-03 | 太原重工轨道交通设备有限公司 | Immersion quenching apparatus and method |
-
2012
- 2012-11-21 CN CN 201220621965 patent/CN202925066U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451392A (en) * | 2013-09-18 | 2013-12-18 | 江国辉 | Pressure quenching mould for inner ring gear |
| CN105886746A (en) * | 2014-12-08 | 2016-08-24 | 北京金和昌利科贸有限公司 | Induction shape correcting and die quenching and tempering technological method and equipment for annular parts |
| CN109439868A (en) * | 2018-12-20 | 2019-03-08 | 天津天海同步科技有限公司 | A kind of pressure quenching device avoiding the tooth set recessed heart of spline teeth directional |
| CN110106339A (en) * | 2019-05-15 | 2019-08-09 | 宁夏天地奔牛实业集团有限公司 | A kind of continous way rack rails high performance induction process for quenching |
| CN110951951A (en) * | 2019-12-31 | 2020-04-03 | 太原重工轨道交通设备有限公司 | Immersion quenching apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20201121 |