CN209349960U - A kind of Lathe Spindle Box primary shaft belt pulley sealing structure - Google Patents
A kind of Lathe Spindle Box primary shaft belt pulley sealing structure Download PDFInfo
- Publication number
- CN209349960U CN209349960U CN201920113425.1U CN201920113425U CN209349960U CN 209349960 U CN209349960 U CN 209349960U CN 201920113425 U CN201920113425 U CN 201920113425U CN 209349960 U CN209349960 U CN 209349960U
- Authority
- CN
- China
- Prior art keywords
- bearing
- passage way
- lubricant passage
- oil
- fixing sleeve
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of Lathe Spindle Box primary shaft belt pulley sealing structure, turning set and main shaft are keyed, for driving main shaft to rotate.End cap is fixed on the first end of main shaft and limits the axial position of turning set.First side of belt wheel and turning set are connected, for driving turning set to rotate.The second end face of fixing sleeve is fixed on external speed cabinet, and oil inlet and the first lubricant passage way are provided on fixing sleeve, and the first end of the first lubricant passage way is connected to oil inlet, and the second end of the first lubricant passage way is connected to the first end face of fixing sleeve.Labyrinth flange is fixed on second side of belt wheel and cooperatively forms labyrinth seal with fixing sleeve and constitute the second lubricant passage way.Oil seepage is prevented by the first sealing ring of setting, the second sealing ring and sealing element, also by opening up the first oil return opening and the second oil return opening, improve oil return speed, keep entire oil circuit unimpeded, prevent lubricating oil due to oil circuit pressure is excessively high and from other contact surface part leakages.
Description
Technical field
The utility model belongs to field of mechanical technique more particularly to a kind of Lathe Spindle Box primary shaft belt pulley sealing structure.
Background technique
The utility model relates to machine industries, disclose a kind of changing for Lathe Spindle Box primary shaft belt pulley sealing structure
Into.Belt is mostly used to be driven in the spindle box transmission of machine industry, most lathes, main shaft and belt pulley are connected as gearbox
Body structure.This headstock structure has the characteristics that overload protection, uniform load and reduces vibration, using thin oil lubricant.But
It is that discovery belt wheel is used for a long time oil leakage phenomenon occur with main shaft connecting portion, not only seriously pollutes environment, but also a large amount of oil products of waste.
Referring to Fig. 1, existing headstock structure total part is more, but sealing position is less, and belt wheel and rotation are socketed
Contact portion position is without seal approach, and without seal approach, no sealing element be isolated close for lower part labyrinth flange and pulley contact position
It seals, rigid contact between part, lubricating oil leads to contact site permeability from the outside oil leak in feature contacts face gap.Total
Oil return opening only has one, and oil outlet is few, and lubricating oil return speed is slow, and entire oil circuit is not smooth, forces lubricating oil from other contacts
Face part leakage.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of Lathe Spindle Box primary shaft belt pulley sealing structures, to solve
The problem of oil seepage.
To solve the above problems, the technical solution of the utility model are as follows:
A kind of Lathe Spindle Box primary shaft belt pulley sealing structure of the utility model, comprising:
Main shaft；
Turning set, the turning set and the main shaft are keyed, for driving the main shaft to rotate；
End cap, the end cap are fixed on the first end of the main shaft and limit the axial position of the turning set；
Belt wheel, the first side of the belt wheel and the turning set are connected, for driving the turning set to rotate；
Fixing sleeve, the second end face of the fixing sleeve are fixed on external speed cabinet, the fixing sleeve and the rotation
Set cooperatively forms lubricating cavity, is provided with oil inlet and the first lubricant passage way on the fixing sleeve, and the first of first lubricant passage way
End is connected to the oil inlet, and the second end of first lubricant passage way is connected to the lubricating cavity；
Labyrinth flange, the labyrinth flange are fixed on second side of the belt wheel and cooperatively form labyrinth with the fixing sleeve
The second lubricant passage way is sealed and constitutes, the first end of second lubricant passage way is connected to the lubricating cavity；
First spacer；
First bearing, the outer ring of the first bearing connects with the belt wheel and the first end of the outer ring of the first bearing
Be connected with the turning set, the inner ring of the first bearing connect with the fixing sleeve and the inner ring of the first bearing second
End connects with first spacer；
Second bearing, the outer ring of the second bearing connects with the belt wheel and the second end of the outer ring of the second bearing
Be connected with the labyrinth flange, the inner ring of the second bearing connect with the fixing sleeve and the inner ring of the second bearing
One end connects with first spacer；
The first end of the outer ring of the first bearing is equipped with the first sealing ring, for preventing oil seepage；
The second end of the outer ring of the second bearing is equipped with the second sealing ring, for preventing the oil seepage；
The oil outlet of second lubricant passage way is equipped with sealing element, for preventing the oil seepage；
The first oil return opening and the second oil return opening, first oil return are provided on the fixing sleeve and the external speed cabinet
The first end of mouth is connected to second lubricant passage way, and the second end of first oil return opening is interior with the external speed cabinet
Chamber connection；The first end of second oil return opening is connected to second lubricant passage way, the second end of second oil return opening with
The inner cavity of the external speed cabinet is connected to.
The Lathe Spindle Box primary shaft belt pulley sealing structure of the utility model, the labyrinth seal are twice labyrinth seal, institute
It states first trough of the first end of the first oil return opening with the labyrinth seal in second lubricant passage way to be connected to, described second time
Second trough of the first end of hydraulic fluid port with the labyrinth seal in second lubricant passage way is connected to.
The Lathe Spindle Box primary shaft belt pulley sealing structure of the utility model, further includes the second spacer；Second spacer
First end is connected with the second end of the outer ring of the first bearing, the second end of second spacer and the second bearing it is outer
The first end of circle is connected.
The Lathe Spindle Box primary shaft belt pulley sealing structure of the utility model, the main shaft and the turning set are connected by flat key
It connects.
The Lathe Spindle Box primary shaft belt pulley sealing structure of the utility model, the belt wheel are bolted with the turning set.
The utility model due to using the technology described above, has the following advantages that it compared with prior art and actively
Effect:
The first sealing ring, second bearing is arranged by the first end in the outer ring of first bearing in an embodiment of the present invention
The second end of outer ring the oil outlet setting sealing element of the second sealing ring and the second lubricant passage way is set to prevent lubricating oil from seeping
Leakage, also by opening up the first oil return opening being connected to the second lubricant passage way and the second oil return on fixing sleeve and external speed cabinet
Mouthful, improve oil return speed, keep entire oil circuit unimpeded, prevent lubricating oil due to oil circuit pressure is excessively high and from other contact surface positions
Leakage.
Detailed description of the invention
Fig. 1 is the embodiment schematic diagram of the Lathe Spindle Box primary shaft belt pulley sealing structure prior art of the utility model；
Fig. 2 is the schematic diagram of the Lathe Spindle Box primary shaft belt pulley sealing structure of the utility model.
Description of symbols: 1: main shaft；2: turning set；3: belt wheel；4: end cap；5: first bearing；6: second bearing；7: fan
Palace flange；8: fixing sleeve；9: external speed cabinet；10: oil inlet；11: the first spacers；12: the second spacers；13: the first sealings
Circle；14: the second sealing rings；15: sealing element；16 first oil return openings；17: the second oil return openings.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes a kind of Lathe Spindle Box primary shaft belt pulley sealing
Structure is described in further detail.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.
Referring to Fig. 2, in one embodiment, a kind of Lathe Spindle Box primary shaft belt pulley sealing structure, comprising: main shaft 1, rotation
Cover 2, end cap 4, belt wheel 3, fixing sleeve 8, labyrinth flange 7, the first spacer 11, first bearing 5, second bearing 6.Turning set 2 and master
Axis 1 is keyed, for driving main shaft 1 to rotate.End cap 4 is fixed on the first end of main shaft 1 and limits the axial position of turning set 2.
First side of belt wheel 3 and turning set 2 are connected, for driving turning set 2 to rotate.The second end face of fixing sleeve 8 is fixed on external change
On fast cabinet 9, fixing sleeve 8 and turning set 2 cooperatively form lubricating cavity, and oil inlet 10 and the first lubricant passage way are provided on fixing sleeve 8,
The first end of first lubricant passage way is connected to oil inlet 10, and the second end of the first lubricant passage way is connected to lubricating cavity.Labyrinth flange 7
It is fixed on second side of belt wheel 3 and cooperatively forms labyrinth seal with fixing sleeve 8 and constitute the second lubricant passage way, the second lubricant passage way
First end be connected to lubricating cavity.The outer ring of first bearing 5 connect with belt wheel 3 and the first end of the outer ring of first bearing 5 with turn
Dynamic set 2 is connected, and the inner ring of first bearing 5 connects with fixing sleeve 8 and the second end of the inner ring of first bearing 5 and 11 phase of the first spacer
It connects.The outer ring of second bearing 6 connects with belt wheel 3 and the second end of the outer ring of second bearing 6 is connected with labyrinth flange 7, the second axis
6 inner ring is held to connect with fixing sleeve 8 and the first end of the inner ring of second bearing 6 connects with the first spacer 11.Outside first bearing 5
The first end of circle is equipped with the first sealing ring 13, for preventing oil seepage.The second end of the outer ring of second bearing 6 is equipped with second
Sealing ring 14, for preventing oil seepage.The oil outlet of second lubricant passage way is equipped with sealing element 15, for preventing lubricating oil from seeping
Leakage.It is provided with the first oil return opening 16 and the second oil return opening 17 on fixing sleeve 8 and external speed cabinet 9, the first of the first oil return opening 16
End is connected to the second lubricant passage way, and the second end of the first oil return opening 16 is connected to the inner cavity of external speed cabinet 9.Second oil return opening
17 first end is connected to the second lubricant passage way, and the second end of the second oil return opening 17 is connected to the inner cavity of external speed cabinet 9.Vehicle
When bed operating, lubricating oil is filled by oil inlet 10 into the first lubricant passage way by outside fuel injection component, and lubricating oil is from fixing sleeve 8
It after first end outflow, that is, flows through first bearing 5 and is lubricated for first bearing 5, then flow to second bearing 6 and be second bearing
After 6 lubrications, it is flow to the second lubricant passage way that labyrinth flange 7 and fixing sleeve 8 form, finally via first on the second lubricant passage way
Oil return opening 16 and the second oil return opening 17 flow back to gearbox body inner cavity.It is arranged first by the first end in the outer ring of first bearing 5
The oil outlet setting of the second sealing ring 14 and the second lubricant passage way is arranged in sealing ring 13, the second end of the outer ring of second bearing 6
Sealing element 15 prevents oil seepage, also by opening up on fixing sleeve 8 and external speed cabinet 9 and the second lubricant passage way connects
Logical the first oil return opening 16 and the second oil return opening 17 improves oil return speed, keeps entire oil circuit unimpeded, prevent lubricating oil due to oil
Road hypertonia and from other contact surface part leakages.
Further, labyrinth seal is twice labyrinth seal, and the first end of the first oil return opening 16 and labyrinth seal are second
First trough of lubricant passage way is connected to, the second trough of the first end of the second oil return opening 17 and labyrinth seal in the second lubricant passage way
Connection.Common labyrinth seal is increased as twice labyrinth seal, raising sealing performance.Labyrinth flange 7 is with several grooves
The convex portion of disc, groove and fixing sleeve 8 cooperatively forms labyrinth seal, and the quantity of groove is determined by concrete condition.
It preferably, further include the second spacer 12.The second end phase of the first end of second spacer 12 and the outer ring of first bearing 5
Even, the second end of the second spacer 12 is connected with the first end of the outer ring of second bearing 6.By the way that the second spacer 12 is arranged, make first
The stress of bearing 5 and second bearing 6 is more balanced, improves the service life of first bearing 5 and second bearing 6.
Further, main shaft 1 is connect with turning set 2 by flat key.
Further, belt wheel 3 is bolted with turning set 2.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment.Even if to the utility model, various changes can be made, if these variations belong to the utility model claims
And its within the scope of equivalent technologies, then still fall among the protection scope of the utility model.
Claims (5)
1. a kind of Lathe Spindle Box primary shaft belt pulley sealing structure characterized by comprising
Main shaft；
Turning set, the turning set and the main shaft are keyed, for driving the main shaft to rotate；
End cap, the end cap are fixed on the first end of the main shaft and limit the axial position of the turning set；
Belt wheel, the first side of the belt wheel and the turning set are connected, for driving the turning set to rotate；
Fixing sleeve, the second end face of the fixing sleeve are fixed on external speed cabinet, and the fixing sleeve is matched with the turning set
Conjunction forms lubricating cavity, is provided with oil inlet and the first lubricant passage way on the fixing sleeve, the first end of first lubricant passage way with
The oil inlet connection, the second end of first lubricant passage way are connected to the lubricating cavity；
Labyrinth flange, the labyrinth flange are fixed on second side of the belt wheel and cooperatively form labyrinth seal with the fixing sleeve
And the second lubricant passage way is constituted, the first end of second lubricant passage way is connected to the lubricating cavity；
First spacer；
First bearing, the first bearing are placed in the lubricating cavity, the outer ring of the first bearing connect with the belt wheel and
The first end of the outer ring of the first bearing is connected with the turning set, and the inner ring of the first bearing connects with the fixing sleeve
And the second end of the inner ring of the first bearing connects with first spacer；
Second bearing, the second bearing are placed in the lubricating cavity, the outer ring of the second bearing connect with the belt wheel and
The second end of the outer ring of the second bearing is connected with the labyrinth flange, the inner ring of the second bearing and the fixing sleeve phase
It connects and the first end of the inner ring of the second bearing connects with first spacer；
The first end of the outer ring of the first bearing is equipped with the first sealing ring, for preventing oil seepage；
The second end of the outer ring of the second bearing is equipped with the second sealing ring, for preventing the oil seepage；
The oil outlet of second lubricant passage way is equipped with sealing element, for preventing the oil seepage；
The first oil return opening and the second oil return opening are provided on the fixing sleeve and the external speed cabinet, first oil return opening
First end is connected to second lubricant passage way, and the inner cavity of the second end of first oil return opening and the external speed cabinet connects
It is logical；The first end of second oil return opening is connected to second lubricant passage way, the second end of second oil return opening with it is described
The inner cavity of external speed cabinet is connected to.
2. Lathe Spindle Box primary shaft belt pulley sealing structure described in accordance with the claim 1, which is characterized in that the labyrinth seal is
The first trough of twice labyrinth seal, the first end of first oil return opening and the labyrinth seal in second lubricant passage way
Connection, second trough of the first end of second oil return opening with the labyrinth seal in second lubricant passage way are connected to.
3. Lathe Spindle Box primary shaft belt pulley sealing structure described in accordance with the claim 1, which is characterized in that further include second every
Set；The first end of second spacer is connected with the second end of the outer ring of the first bearing, the second end of second spacer
It is connected with the first end of the outer ring of the second bearing.
4. Lathe Spindle Box primary shaft belt pulley sealing structure described in accordance with the claim 1, which is characterized in that the main shaft with it is described
Turning set is connected by flat key.
5. Lathe Spindle Box primary shaft belt pulley sealing structure described in accordance with the claim 1, which is characterized in that the belt wheel with it is described
Turning set is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113425.1U CN209349960U (en) | 2019-01-23 | 2019-01-23 | A kind of Lathe Spindle Box primary shaft belt pulley sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113425.1U CN209349960U (en) | 2019-01-23 | 2019-01-23 | A kind of Lathe Spindle Box primary shaft belt pulley sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209349960U true CN209349960U (en) | 2019-09-06 |
Family
ID=67801944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920113425.1U Active CN209349960U (en) | 2019-01-23 | 2019-01-23 | A kind of Lathe Spindle Box primary shaft belt pulley sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209349960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357271A (en) * | 2021-06-25 | 2021-09-07 | 珠海格力电器股份有限公司 | Electric spindle structure and processing equipment |
-
2019
- 2019-01-23 CN CN201920113425.1U patent/CN209349960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357271A (en) * | 2021-06-25 | 2021-09-07 | 珠海格力电器股份有限公司 | Electric spindle structure and processing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104061317B (en) | Gear reduction unit high speed shaft non-contacting seal device | |
| CN202833001U (en) | Swash plate type rotary valve flow distributing pure water plunger pump | |
| CN201177042Y (en) | Combination type sealing structure for heavy-duty gear box high speed axis | |
| CN204961579U (en) | Intermediate shaft bearing with keep off oily structure | |
| CN209349960U (en) | A kind of Lathe Spindle Box primary shaft belt pulley sealing structure | |
| CN107795692B (en) | A kind of electric eddy current dynamometer bearing seal structure of thin oil lubricant | |
| CN105673733A (en) | Oil seal lubricating structure of hydrodynamic retarder | |
| CN201265651Y (en) | Sealing device for mechanical rotating shaft | |
| CN211175240U (en) | Planetary gear structure with lubricating effect | |
| CN202195011U (en) | Planetary speed reducer for floor polishing machine | |
| CN109605119A (en) | A kind of Lathe Spindle Box primary shaft belt pulley sealing structure | |
| CN101413588B (en) | Non-seepage drive seal device | |
| CN205978456U (en) | Adopt digit control machine tool rotary seal device of shaft seal form | |
| CN201575250U (en) | Novel swivel joint provided with soft floating ring sealing structure | |
| CN107401617A (en) | A kind of sealer with assembled for rotating shaft | |
| CN208040934U (en) | A kind of associated sealing arrangement for bearings | |
| CN204201098U (en) | A kind of unidirectional combination ring gear seal arrangement | |
| CN206555446U (en) | A kind of self-lubricating non-contact mechanical seal device | |
| CN203796969U (en) | Labyrinth type shutdown seal device | |
| CN203272803U (en) | Bearing sealing and isolating device | |
| CN201763667U (en) | Sliding bearing body structure of heavy-caliber double suction pump for chemical circulation | |
| CN2900938Y (en) | Anti-oil leakage device for high speed input shaft end of plastic extruder speed reducing box | |
| CN206377276U (en) | A kind of shaft sealing device | |
| CN203202176U (en) | Speed reducer capable of preventing oil leakage | |
| CN201100412Y (en) | High voltage and high speed sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |