CN106480297A - A kind of roller gear heat treatment special fixture - Google Patents
A kind of roller gear heat treatment special fixture Download PDFInfo
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- CN106480297A CN106480297A CN201510544208.4A CN201510544208A CN106480297A CN 106480297 A CN106480297 A CN 106480297A CN 201510544208 A CN201510544208 A CN 201510544208A CN 106480297 A CN106480297 A CN 106480297A
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- gear
- heat treatment
- support frame
- support
- ventilation window
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Abstract
The present invention provides a kind of roller gear heat treatment special fixture, including frock framework, frock framework is added be provided with gear support frame it is characterised in that：The support of gear support frame is " V " type support, and is provided with ventilation window in the bottom of " V " type support；The length of ventilation window is less than the length of gear, and width is less than the diameter of gear；Frock framework and gear support frame are to be made using the heat resisting steel that material trademark is ZG20Cr25Ni20Si2.The present invention is " V " type due to the support of gear support frame, so when Cylinder Gear wheel carrier gets on, both contact surfaces are linear contact lay or point contact, so just there is no dead angle in heat treatment, can be with comprehensive to gear heat treatment, it is made to be heated evenly it is ensured that the quality of heat treatment, the design of ventilation window facilitates hot-air circulation.
Description
Technical field
The present invention relates to the heat treatment of gear, specifically a kind of roller gear heat treatment special fixture.
Background technology
Metal heat treatmet is metal works to be placed in certain medium be heated to suitable temperature, and after keeping certain time in this temperature, cooled down in different medium with friction speed again, control a kind of technique of its performance by changing the microstructure of metal material surface or inside.
And the processing as gear, heat treatment is its important step, in order to ensure the quality of gear heat treatment is it is necessary to use special fixture.
On existing roller gear heat treatment Fixture Design, emphasis considers the intensity of frock, causes frock weight to lay particular stress on, and because frock is to combine by multiple assemblies, when loading and unloading gear, needs artificial unloading's assembly, high labor intensive.
When heating in stove, frock occupies larger space simultaneously, increased energy consumption, and hot-air circulation simultaneously is not smooth, leads to gear local heating uneven, quality is unstable.
As shown in Fig. 5,6,7,8, in figure 1 is frock framework；2nd, gear support frame；3 is gear, and the circular arc support 4 of wherein gear support frame 2 is an arc-shaped, is provided with the vent 5 of 25mm in the bottom of support；The bottom of gear support frame 2 is provided with the limited block 6 with frock framework 1 cooperation, with facilitating, gear support frame 2 is connected in frock framework 1；On the circular arc support 4 of the arc-shaped in heat treatment, gear 3 being directly placed at gear support frame 2, now due to the plane-plane contact of gear and arc surface, will result in the uneven of heat treatment, the vent 5 of 25mm speed in radiating is slower simultaneously, and radiating is uneven to also result in gear 3 thermal effectiveness.
Content of the invention
The present invention leads to the unqualified of product quality to solve the uneven of roller gear heat treatment, also wants energy-conservation simultaneously, reduces labor intensity, a kind of roller gear heat treatment special fixture of special proposition.
For this technical scheme：A kind of roller gear heat treatment special fixture, including frock framework, frock framework is added be provided with gear support frame it is characterised in that：The support of gear support frame is " V " type support, and is provided with ventilation window in the bottom of " V " type support.
Further it is improved by：The length of ventilation window is less than the length of gear, and width is less than the diameter of gear.
Further it is improved by：Frock framework and gear support frame are to be made using the heat resisting steel that material trademark is ZG20Cr25Ni20Si2.
Beneficial effect：
The present invention is " V " type due to the support of gear support frame, so when Cylinder Gear wheel carrier gets on, both contact surfaces are linear contact lay or point contact, so just there is no dead angle in heat treatment, can with comprehensive to gear heat treatment so as to be heated evenly the quality it is ensured that heat treatment.The design of ventilation window facilitates hot-air circulation.
The design of ventilation window, to ensure hanging on gear support frame of gear so as to hanging, the heating surface area to ensure gear of maximum magnitude；Enable gear thermally equivalent；Rate of heat exchange substantially increases, and gear is uniformly heated, and directly enhances the quality of heat treatment, alleviates the weight of frock, reduces the labor intensity in handling frock and workpiece for the workman.
Heat-treatment part frock uses heat resisting steel, and material trademark is ZG20Cr25Ni20Si2, can reuse, and light-weight design is greatly lowered frock manufacturing cost in itself.
Brief description
Fig. 1 is the schematic front view of use state of the present invention.
Fig. 2 is the schematic top plan view of use state of the present invention.
Fig. 3 is the schematic top plan view of the single gear support frame of the present invention.
Fig. 4 is the schematic front view of Fig. 3.
Fig. 5 is the schematic front view of original product use state.
Fig. 6 is that the vertical view of original product use state regards schematic diagram.
Fig. 7 is that the vertical view of the single gear support frame of original product regards schematic diagram.
Fig. 8 is the schematic front view of Fig. 7.
1 is frock framework；2 is gear support frame；3 is gear, and 4 is circular arc support, and 5 is vent, and 6 is limited block, and 7 is " V " type support, and 8 is ventilation window.
Specific embodiment
The present invention is as shown in Figure 1,2,3, 4.
A kind of roller gear heat treatment special fixture, including frock framework 1, frock framework 1 is added to be provided with gear support frame 2, and the support of gear support frame 2 is " V " type support 7, and versatility more preferably, and is provided with ventilation window 8 in " V " type support 7 bottom.
The length of ventilation window 8 is less than the length of gear 3, and width is less than the diameter of gear 3.
Frock framework 1 and gear support frame 2 are to be made using the heat resisting steel that material trademark is ZG20Cr25Ni20Si2.
During use, frock framework 1 and gear support frame 2 are carried out being assembled into ground floor, the limited block 6 of gear support frame 2 bottom blocks in the space of frock framework 1, it is made not move up and down left and right, again by gear 3 gear support frame 2, according to the different thickness of gear, 8--10 can be put for one layer, now ground floor is stacked and is finished, put the second layer according to above-mentioned steps again, third layer, due to alleviating frock weight in design, frock manufacturing cost is made to substantially reduce, gear support frame 2 is designed improve on the premise of proof strength, increase ventilation window 8, improve rate of heat exchange, gear is made to be heated evenly, improve product quality, the use of " V " type support 7 simultaneously, make its versatility more preferable, decrease the contact surface of the flank of tooth and frock thus improve thermal cycle.
Claims (3)
1. a kind of roller gear heat treatment special fixture, including frock framework, frock framework is added be provided with gear support frame it is characterised in that：The support of gear support frame is " V " type support, and is provided with ventilation window in the bottom of " V " type support.
2. a kind of roller gear heat treatment special fixture according to claim 1 it is characterised in that：The length of ventilation window is less than the length of gear, and width is less than the diameter of gear.
3. a kind of roller gear heat treatment special fixture according to claim 1 it is characterised in that：Frock framework and gear support frame are to be made using the heat resisting steel that material trademark is ZG20Cr25Ni20Si2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510544208.4A CN106480297A (en) | 2015-08-31 | 2015-08-31 | A kind of roller gear heat treatment special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510544208.4A CN106480297A (en) | 2015-08-31 | 2015-08-31 | A kind of roller gear heat treatment special fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106480297A true CN106480297A (en) | 2017-03-08 |
Family
ID=58236039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510544208.4A Pending CN106480297A (en) | 2015-08-31 | 2015-08-31 | A kind of roller gear heat treatment special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106480297A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486352A (en) * | 2018-07-03 | 2018-09-04 | 平湖市永成齿轮配件厂 | A kind of holder for gear quenching |
-
2015
- 2015-08-31 CN CN201510544208.4A patent/CN106480297A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486352A (en) * | 2018-07-03 | 2018-09-04 | 平湖市永成齿轮配件厂 | A kind of holder for gear quenching |
| CN108486352B (en) * | 2018-07-03 | 2019-06-18 | 平湖市永成齿轮配件厂 | A kind of bracket for gear quenching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170308 |
|
| WD01 | Invention patent application deemed withdrawn after publication |