CN205908749U - Lathe gearbox shaft seal structure - Google Patents
Lathe gearbox shaft seal structure Download PDFInfo
- Publication number
- CN205908749U CN205908749U CN201620737150.5U CN201620737150U CN205908749U CN 205908749 U CN205908749 U CN 205908749U CN 201620737150 U CN201620737150 U CN 201620737150U CN 205908749 U CN205908749 U CN 205908749U
- Authority
- CN
- China
- Prior art keywords
- flange
- main shaft
- lathe
- lathe gearbox
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a mechanical seal technical field discloses a lathe gearbox shaft seal structure, be provided with the transmission cover on the main shaft, the transmission is put in and is provided with fixed cover, the outer band pulley that is provided with of transmission cover, seal structure cooperates the end cover flange of installing including setting up at the fixed end flange who sheathes in with end flange, the last labyrinth seals that is provided with of end flange sets up the 2nd labyrinth seals on the end cover flange, the cooperation forms sealed cavity between end flange and the end cover flange, be provided with the radial seal between end flange and the end cover flange. Adopt multiunit labyrinth seals between end flange and end cover flange to setting up the radial seal between end flange and end cover flange, having improved lathe gearbox shaft seal's sealing performance and effect, that has avoided that lathe gearbox main shaft appears reveals, pollutes the scheduling problem. Lower the maintenance cost of lathe, improved the availability factor of lathe.
Description
Technical field
This utility model is related to technical field of mechanical, particularly to a kind of lathe gearbox main shaft sealing construction.
Background technology
It is currently used for the most lathes processed, the transmission of its transmission main shaft generally uses belt transmission, belt wheel and machine
Bed main shaft connects composition body structure, the features such as having overload protection, uniform load and effectively can reduce vibration.The master of this lathe
The attachment structure of axle and belt wheel be pass through between main shaft and drive sleeve and end cap bonded into a single integrated structure, belt wheel and drive sleeve it
Between be bolted, make between main shaft and belt wheel connect；Motor passes through belt, belt wheel drives main axis, drive sleeve and band
Fixed cover and two sets of bearings are installed between wheel, lubricating oil enters lubrication bearing in casing by oil-in, and passes through oil return opening stream
Enter in change speed gear box, form lubricating loop.During the use of lathe, often hold in the connecting portion of lathe spindle and belt wheel
Oil leakage phenomenon easily occurs, considerably increases the maintenance cost of lathe, reduce the service efficiency of lathe.
Utility model content
The purpose of this utility model is to solve existing lathe gearbox main shaft above-mentioned technical problem present in sealing,
There is provided a kind of good sealing effect, sealing structure simple, assemble a kind of lathe gearbox main shaft sealing construction easy to maintenance.
For solving above-mentioned technical problem, this utility model employs a kind of lathe gearbox main shaft sealing construction, described master
Drive sleeve is provided with axle, drive sleeve is provided with fixed cover, outside drive sleeve, is provided with belt wheel, described sealing structure includes arranging
End flanges on fixed cover and the end cap flange installed with end flanges cooperation, described end flanges are provided with the first fan
Palace seals, and end cap flange arranges the second labyrinth seal, cooperatively forms sealed chamber between described end flanges and end cap flange,
It is provided with radial seal between described end flanges and end cap flange.
In technique scheme, further, the end flanges of described fixed cover are provided with oil-in and oil return opening,
The sealed chamber position of end flanges is provided with the first oil-out.
In technique scheme, further, it is additionally provided with the second oil-out in the sealed chamber position of end flanges.
In technique scheme, further, it is provided with radial seal between described end cap flange and belt wheel.
In technique scheme, further, it is provided with radial seal between described belt wheel and drive sleeve.
In technique scheme, further, described radial seal is all using rubber sealing element.
This utility model adopts multigroup labyrinth seal between end flanges and end cap flange, and in end flanges and end cap
Between flange, radial seal is set, improves sealing property and the effect of lathe gearbox main shaft seal, it is to avoid lathe speed change
The problems such as leakage of case main shaft appearance, pollution.Reduce the maintenance cost of lathe, improve the service efficiency of lathe.
Brief description
Fig. 1 is lathe gearbox main shaft sealing construction schematic diagram.
Fig. 2 is fixed cover sealed structural representation in this utility model.
Fig. 3 is end cap flange sealing structure schematic diagram in this utility model.
In figure: 1, main shaft, 2, drive sleeve, 3, fixed cover, 4, belt wheel, 5, end flanges, 6, end cap flange, 7, oil-in,
8th, oil return opening, the 9, first labyrinth seal, the 10, second labyrinth seal, 11, sealed chamber, 12, radial seal, 13, first is fuel-displaced
Mouthful, the 14, second oil-out.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.
As shown in Figures 1 to 3, it is a kind of lathe gearbox main shaft sealing construction, described main shaft 1 is provided with drive sleeve 2, pass
Fixed cover 3 is provided with dynamic set 2, is provided with belt wheel 4 outside drive sleeve 2, described sealing structure includes the end being arranged on fixed cover 3
Face flange 5 and the end cap flange 6 installed with end flanges 5 cooperation, described end flanges 5 are provided with the first labyrinth seal 9, end
Second labyrinth seal 10 is arranged on lid flange 6, between described end flanges 5 and end cap flange 6, cooperatively forms sealed chamber 11, institute
State and between end flanges 5 and end cap flange 6, be provided with radial seal 12.Labyrinth seal is adopted between end flanges and end cap flange
Structure, effectively increases its sealing effectiveness, arranges radial seal simultaneously, can hinder further between end flanges and end cap flange
The only seepage of lubricating oil.
Oil-in 7 and oil return opening 8 are provided with the end flanges 5 of described fixed cover 3, in the sealed chamber of end flanges 5
11 positions are provided with the first oil-out 13.It is additionally provided with the second oil-out 14 in sealed chamber 11 position of end flanges 5.Pass through
Multiple oil-outs are set so that the lubricating oil entering sealed chamber can return in gear box, to prevent lubricating oil to leaking
Dew.
For increasing the sealing property of sealing structure further, between described end cap flange 6 and belt wheel 4, it is provided with radial seal
12；It is provided with radial seal 12 between described belt wheel 4 and drive sleeve 2.Described radial seal 12 is all using rubber sealing element.
Claims (6)
1. lathe gearbox main shaft sealing construction, described main shaft is provided with drive sleeve, and drive sleeve is provided with fixed cover, transmission
Set is outer be provided with belt wheel it is characterised in that: described sealing structure include the end flanges being arranged on fixed cover and with end face method
The end cap flange that blue cooperation is installed, described end flanges is provided with the first labyrinth seal, end cap flange arranges the second labyrinth
Sealing, cooperatively forms sealed chamber between described end flanges and end cap flange, sets between described end flanges and end cap flange
It is equipped with radial seal.
2. lathe gearbox main shaft sealing construction according to claim 1 it is characterised in that: the end face method of described fixed cover
It is provided with oil-in and oil return opening on orchid, the sealed chamber position of end flanges is provided with the first oil-out.
3. lathe gearbox main shaft sealing construction according to claim 2 it is characterised in that: in the annular seal space of end flanges
Room position is additionally provided with the second oil-out.
4. lathe gearbox main shaft sealing construction according to claim 1 it is characterised in that: described end cap flange and belt wheel
Between be provided with radial seal.
5. lathe gearbox main shaft sealing construction according to claim 1 it is characterised in that: described belt wheel and drive sleeve it
Between be provided with radial seal.
6. lathe gearbox main shaft sealing construction according to any one of claim 1 to 5 it is characterised in that: described footpath
To sealing all using rubber sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620737150.5U CN205908749U (en) | 2016-07-13 | 2016-07-13 | Lathe gearbox shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620737150.5U CN205908749U (en) | 2016-07-13 | 2016-07-13 | Lathe gearbox shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205908749U true CN205908749U (en) | 2017-01-25 |
Family
ID=57805421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620737150.5U Expired - Fee Related CN205908749U (en) | 2016-07-13 | 2016-07-13 | Lathe gearbox shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205908749U (en) |
-
2016
- 2016-07-13 CN CN201620737150.5U patent/CN205908749U/en not_active Expired - Fee Related
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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: 20170125 Termination date: 20170713 |