CN208304687U - Based on the device for improving gear shaft outer round surface percent ripple in microstoning - Google Patents
Based on the device for improving gear shaft outer round surface percent ripple in microstoning Download PDFInfo
- Publication number
- CN208304687U CN208304687U CN201820674209.XU CN201820674209U CN208304687U CN 208304687 U CN208304687 U CN 208304687U CN 201820674209 U CN201820674209 U CN 201820674209U CN 208304687 U CN208304687 U CN 208304687U
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- Prior art keywords
- block
- superfinishing
- indent
- microstoning
- bracket
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Fixed block is equipped with by screw axis based on the device for improving gear shaft outer round surface percent ripple in microstoning, including hydraulic cylinder leg plate, hydraulic cylinder leg plate the utility model relates to a kind of；Indent superfinishing block is equipped with by small axis below fixed block, the two sides of indent superfinishing block are mounted by means of screws with bracket, the " U "-shaped structure of bracket, and bracket is provided with guide wheel；The lower section of the indent superfinishing block is arcwall face, and the extrados of cambered surface and workpiece matches, and abrasive band is by the arcwall face below indent superfinishing block and around loaded on guide wheel.Contact area when the utility model increases microstoning by design indent superfinishing block arc-shaped structure, has reached best microstoning effect, has improved gear shaft outer round surface percent ripple.
Description
Technical field
It is the utility model relates to be machined auxiliary device, in particular to a kind of to be based on improving outside gear shaft in microstoning
The device of circular surfaces percent ripple.
Background technique
Automobile industry noise, vibration and sound and vibration comfort (vehicle riding comfort caused due to its) i.e. NVH (Noise,
Vibration, Harshness) problem is a global question for measuring automobile manufacture quality.It gives the sense of user vehicle
It is most directly, to influence the reputation and occupation rate of market of product, therefore by major vehicle manufacturing enterprise and components
The common concern of enterprise.Power assembly system is an important subsystem of auto NVH research, and gearbox is power assembly
Important component part.
Gearbox NVH (Noise- noise, Vibration- vibration and Harshness- sound and vibration rent rugosity) derives from gear
Engagement, bear vibration, shift noise etc..Gearbox middle gear shaft portion outer circle is direct contact roller, is equivalent to bearing
Inner ring.In order to reduce vibration and noise, this part outer round surface percent ripple of gear shaft requires to be quite high, and double clutches become
Fast case (DCT) require it is higher, when cylindricalo grinding be can not be stable reach, it is necessary to can be only achieved by microstoning process.So
And if superfinishing equipment is unreasonable, gear shaft surface waviness is also unable to reach requirement.
Summary of the invention
To reduce gearbox NVH problem, the utility model provides one kind and is based on improving axial workpiece on superfinisher
The device of outer round surface percent ripple improves axial workpiece Excircle machining quality to improve gear shaft outer round surface percent ripple device.
The utility model is achieved through the following technical solutions above-mentioned purpose.Based on improvement gear shaft outer circle table in microstoning
The device of face percent ripple, including hydraulic cylinder leg plate, hydraulic cylinder leg plate are equipped with fixed block by screw axis；Below fixed block
Indent superfinishing block is installed by small axis, the two sides of indent superfinishing block are mounted by means of screws with bracket, the " U "-shaped knot of bracket
Structure, bracket are provided with guide wheel；The lower section of the indent superfinishing block is arcwall face, and the extrados of cambered surface and workpiece matches, sand
Band is by the arcwall face below indent superfinishing block and around loaded on guide wheel.
Contact area when the utility model increases microstoning by design indent superfinishing block arc-shaped structure；Design indent
Coupled between superfinishing block and fixed block by two small axis of left and right, fixed block is locked on hydraulic cylinder leg plate by a screw axis, together
When design indent superfinishing block and fixed block, indent superfinishing block and hydraulic cylinder leg plate between all keep the gap 2mm；When hydraulic cylinder branch
Frame plate to certain pressure, and make short range reciprocating vibration work when, before indent superfinishing block can be made by left right-small-axis and screw axis
Afterwards, the small swing of left and right four direction makes indent superfinishing block arc surface be depressed into abrasive band always and directly falls in workpiece gear axis outer round surface,
To increase indent superfinishing block arc surface and workpiece gear axis outer circle compactness, best superfinishing effect is reached.Work as machine tool chief axis
Band movable gear shaft rotation when, the sand grains in abrasive band will be ground the outer round surface of finishing microstoning, so as to improve gear shaft outside
Circular surfaces percent ripple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is sectional view along A-A in Fig. 1；
Fig. 3 is 2 mounting structure schematic diagram of bracket 5 in the utility model, guide wheel 10 and abrasive band；
In figure: 1- workpiece, the abrasive band 2-, 3- indent superfinishing block, 4- screw, 5- bracket, the small axis of 6-, 7- fixed block, 8- screw
Axis, 9- hydraulic cylinder leg plate, 10- guide wheel.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.Referring to Fig. 1 and Fig. 3, based on superfinishing plus
Improve the device of gear shaft outer round surface percent ripple, including hydraulic cylinder leg plate 9 in work, hydraulic cylinder leg plate 9 passes through screw axis 8
Fixed block 7 is installed；Indent superfinishing block 3 is equipped with by small axis 6 below fixed block 7, the two sides of indent superfinishing block 3 pass through screw
4 are fixedly installed with bracket 5, the " U "-shaped structure of bracket 5, and bracket 5 is provided with guide wheel 10；The lower section of the indent superfinishing block 3 is arc
Shape face, and cambered surface and the extrados of workpiece 1 match, abrasive band 2 is by the arcwall face of 3 lower section of indent superfinishing block and around loaded on guide wheel
10。
Embodiment: the preferable case study on implementation of one of the utility model is as follows.The upper surface of indent superfinishing block 3 is " U "-shaped, under
Face is globoidal structure (as depicted in figs. 1 and 2).The bilateral symmetry of indent superfinishing block 3, two sides are equipped with fixed block 7 by small axis 6
Lower section, the top of fixed block 7 is locked on hydraulic cylinder leg plate 9 by screw axis 8；Simultaneously indent superfinishing block 3 and fixed block 7 it
Between, between indent superfinishing block 3 and hydraulic cylinder leg plate 9 all keep the gap 2MM, thus when indent superfinishing block 3 being kept to work, small axis
6 and screw axis 8 can front and rear, left and right the small swing of four direction, reach 3 cambered surface of indent superfinishing block and be depressed into abrasive band 2 always perpendicular to work
Part 1, to increase abrasive band 2 and 1 gear shaft outer circle compactness of workpiece.
In order to keep abrasive band 2 smooth by indent superfinishing block 3, branch is fixedly mounted by screw 4 on the both sides of indent superfinishing block 3
Frame 5, the " U "-shaped structure of bracket 5, it is as shown in Figure 3 to be equipped with guide wheel 10(in the "u"-shaped groove of bracket 5), abrasive band 2 is around hydraulic
Guide wheel 10 on 9 one side stand 5 of jar support plate is through the concave surface below indent superfinishing block 3, then to the guide wheel on another side stand 5
10, finally with the motor driving shaft solderless wrapped connection on hydraulic support plate 9.
When processing, hydraulic cylinder leg plate 9 declines certain distance, contacts the abrasive band 2 of 3 concave surface of indent superfinishing block with workpiece 1,
It is automatically adjusted by screw axis 8, indent superfinishing block 3 is made vertically to be pressed on the machined surface of workpiece 1；Hydraulic cylinder leg plate 9 gives one simultaneously
Abrasive band 2 is depressed into outside 1 gear shaft of workpiece matches by fixed pressure by screw axis 8, fixed block 7, small axis 6, indent superfinishing block 3
On circle.Workpiece 1(gear shaft is driven by machine tool chief axis) it is rotated with certain revolving speed and realizes micro cutting finishing microstoning.In order to
Up to best microstoning effect, when hydraulic cylinder leg plate 9 gives certain pressure, and make short range reciprocating vibration, indent superfinishing block 3
Synthesis motion profile relative to 1 surface of workpiece is a sine curve, this is conducive to abrasive grain and keeps sharp cutting edge and effectively
The form error of ground elimination workpiece surface.In this process, indent superfinishing block 3 is controlled by the relatively fixed block 7 of small axis 6
It swings, so that 3 cambered surface of indent superfinishing block be kept to be depressed into abrasive band 2 always perpendicular to workpiece 1, this makes the outer circle in abrasive band 2 and processing
Always comprehensive engagement reaches best superfinishing effect；Simultaneously because indent superfinishing block 3 is designed to circular arc concave surface, make mill in the unit time
Bevel product increases, and processing efficiency improves, and beat reduces 40% or so.
After the completion of grinding, hydraulic cylinder leg plate 9 moves up certain altitude, and abrasive band is allowed to leave workpiece；It completes the process
Abrasive band 2 drives mobile one section of the distance in abrasive band 2, it is ensured that processing next tooth by the motor driven on hydraulic cylinder leg plate 9 afterwards
Abrasive band in 9 circular arc concave surface of wheel shaft indent superfinishing block is always new, to guarantee processing quality and improve outer round surface ripple
The stability of degree.
The utility model in process, due to abrasive band 2 and workpiece 1(gear shaft) friction can generate certain heat, meeting
Workpiece deformation is influenced, so to spray grinding oil in processing, gets cooling and lubricating action；
The utility model chooses appropriate mesh number (40u) by design and the matched interior recessed circle tooling of axial workpiece outer circle
Abrasive band 2, cooperation corresponding certain part revolving speed and process time, to workpiece 1(gear shaft) outer circle carries out microstoning.Obviously
Improve workpiece 1(gear shaft) surface waviness, the double Fourier analysis value of percent ripple is 0.10~0.01 μm reachable, may be used also
Properly increase form accuracy.Contact area when increasing microstoning, grinding area increases in the unit time, correspondingly reduces
Process beat 40% or so.
Claims (1)
1. based on the device for improving gear shaft outer round surface percent ripple in microstoning, including hydraulic cylinder leg plate, feature exist
In the hydraulic cylinder leg plate is equipped with fixed block by screw axis；Indent superfinishing block is equipped with by small axis below fixed block,
The two sides of indent superfinishing block are mounted by means of screws with bracket, the " U "-shaped structure of bracket, and bracket is provided with guide wheel；In described
The lower section of recessed superfinishing block is arcwall face, and the extrados of cambered surface and workpiece matches, and abrasive band passes through the arc below indent superfinishing block
Shape face and around be loaded on guide wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820674209.XU CN208304687U (en) | 2018-05-08 | 2018-05-08 | Based on the device for improving gear shaft outer round surface percent ripple in microstoning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820674209.XU CN208304687U (en) | 2018-05-08 | 2018-05-08 | Based on the device for improving gear shaft outer round surface percent ripple in microstoning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208304687U true CN208304687U (en) | 2019-01-01 |
Family
ID=64712169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820674209.XU Expired - Fee Related CN208304687U (en) | 2018-05-08 | 2018-05-08 | Based on the device for improving gear shaft outer round surface percent ripple in microstoning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208304687U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666644A (en) * | 2019-11-05 | 2020-01-10 | 刘贤东 | Circular cooling type square glass corner polishing device |
| CN110774127A (en) * | 2019-11-05 | 2020-02-11 | 刘贤东 | Full-automatic grinding device is used in processing of square glass turning |
| CN113231935A (en) * | 2021-07-09 | 2021-08-10 | 联享家居(徐州)有限公司 | Furniture manufacturing wooden board surface finish machining polishing machine |
-
2018
- 2018-05-08 CN CN201820674209.XU patent/CN208304687U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666644A (en) * | 2019-11-05 | 2020-01-10 | 刘贤东 | Circular cooling type square glass corner polishing device |
| CN110774127A (en) * | 2019-11-05 | 2020-02-11 | 刘贤东 | Full-automatic grinding device is used in processing of square glass turning |
| CN110666644B (en) * | 2019-11-05 | 2021-08-31 | 池州市三真智能科技有限公司 | Circular cooling type square glass corner polishing device |
| CN110774127B (en) * | 2019-11-05 | 2021-10-26 | 中山市迪高诺电器科技发展有限公司 | Full-automatic grinding device is used in processing of square glass turning |
| CN113231935A (en) * | 2021-07-09 | 2021-08-10 | 联享家居(徐州)有限公司 | Furniture manufacturing wooden board surface finish machining polishing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 169, Meilin street, economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee after: Magna powertrain (Jiangxi) Co.,Ltd. Address before: 330013 No.169, Meilin street, Nanchang Economic and Technological Development Zone, Jiangxi Province Patentee before: GETRAG (JIANGXI) TRANSMISSION Co.,Ltd. |
|
| 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: 20190101 |