CN213195660U - Main shaft structure with good sealing and lubricating effects - Google Patents
Main shaft structure with good sealing and lubricating effects Download PDFInfo
- Publication number
- CN213195660U CN213195660U CN202022075789.0U CN202022075789U CN213195660U CN 213195660 U CN213195660 U CN 213195660U CN 202022075789 U CN202022075789 U CN 202022075789U CN 213195660 U CN213195660 U CN 213195660U
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- China
- Prior art keywords
- bearing
- spacer ring
- gland
- main shaft
- lubricating
- 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
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims abstract description 58
- 210000004907 gland Anatomy 0.000 claims description 36
- 238000005461 lubrication Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Sealing Devices (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model relates to a main shaft structure with good sealing and lubricating effects, which is provided with an axle center, a bearing and a spacer ring sleeved on the periphery of the axle center; a main shaft sleeve is sleeved on the peripheries of the bearing and the spacer ring; a sealing device is arranged between the two ends of the main shaft sleeve and the axis; the lubricating channel is distributed between the bearing and the spacer ring; the lubricating channel comprises a bearing part lubricating channel and a spacer ring part lubricating channel; the bearing part lubricating channel is communicated with the spacer ring part lubricating channel; the lubricating channel is communicated with an external oil supply device through an oil filling nozzle. The utility model aims at overcoming the defect that prior art exists, providing a simple structure and sealed effect and lubricated effectual main shaft structure.
Description
Technical Field
The utility model relates to a main shaft field especially relates to a sealed and lubricated effectual main shaft structure.
Background
The main shaft refers to a shaft that receives power from an engine or a motor and transmits it to other parts, and is one of the core components of a machining center. The main axis is also called as the optical axis, which is the abbreviation of the main optical axis. The sealing treatment at the two ends of the main shaft and the lubricating treatment inside the main shaft are two important factors influencing the service life of the main shaft. However, the existing sealing and lubricating structure is complicated, so it is necessary to design a spindle structure with simple structure and good sealing effect and lubricating effect.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, providing a simple structure and sealed effect and lubricated effectual main shaft structure.
Realize the utility model discloses the technical scheme of purpose is: a main shaft structure with good sealing and lubricating effects is provided with an axis, a bearing and a spacer ring which are sleeved on the periphery of the axis; a main shaft sleeve is sleeved on the peripheries of the bearing and the spacer ring; a sealing device is arranged between the two ends of the main shaft sleeve and the axis; the lubricating channel is distributed between the bearing and the spacer ring; the lubricating channel comprises a bearing part lubricating channel and a spacer ring part lubricating channel; the bearing part lubricating channel is communicated with the spacer ring part lubricating channel; the lubricating channel is communicated with an external oil supply device through an oil filling nozzle.
Further, the bearing and the spacer ring are arranged at intervals.
Further, the bearing comprises a first bearing, a second bearing, a third bearing and a fourth bearing which are sequentially arranged from the front end to the rear end of the shaft center.
Furthermore, the spacer ring comprises a first spacer ring, a second spacer ring and a third spacer ring which are sequentially arranged from the front end to the rear end of the axle center.
Further, the sealing device comprises a front end sealing device and a rear end sealing device.
Further, the front end sealing device comprises a bearing gland connected with the spindle sleeve, a spacer sleeve sleeved on the axis of the inner circumference of the bearing gland and a framework type rubber oil seal arranged between the bearing gland and the spacer sleeve.
Further, the rear end sealing device comprises an inner gland and an outer gland which are fixed in sequence from inside to outside; a small spacer ring is additionally arranged between the inner gland and the fourth bearing; an O-shaped sealing ring is arranged on the inner periphery of the small spacer ring; an inner lantern ring and an outer lantern ring are additionally arranged between the small spacer ring and the inner gland.
Further, the outer edge of the outer gland, which is in contact with the inner gland, is provided with an arc-shaped bulge; and the inner pressing cover corresponding to the arc-shaped bulge is provided with an arc-shaped groove.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) the front end sealing device and the rear end sealing device of the utility model have simple structure and good sealing performance; in addition, the lubricating problem of the bearing can be matched with the oil injection nozzle through the lubricating channel, lubricating oil can be added into the main shaft more conveniently, the lubricating channel is communicated with all the bearings, and the lubricating effect is good.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is an enlarged view of a portion A of the present invention;
FIG. 3 is an enlarged view of a portion B of the present invention;
fig. 4 is a partial C enlarged view of the present invention.
The reference numbers in the drawings are as follows: the bearing comprises a shaft center 10, a first bearing 21, a second bearing 22, a third bearing 23, a fourth bearing 24, a first spacer ring 31, a second spacer ring 32, a third spacer ring 33, a spindle sleeve 40, a bearing part lubricating channel 51, a spacer ring part lubricating channel 52, a lubricating nozzle 60, a front end sealing device 70, a bearing gland 71, a spacer sleeve 72, a framework type rubber oil seal 73, a rear end sealing device 80, an inner gland 81, an arc-shaped groove 811, an outer gland 82, an arc-shaped bulge 821, a small spacer ring 83, an O-shaped sealing ring 84, an inner collar 85 and an outer collar 86.
Detailed Description
(example 1)
Referring to fig. 1 to 4, the present invention has a shaft 10, and a bearing and a spacer ring sleeved on the periphery of the shaft 10; a main shaft sleeve 40 is sleeved on the peripheries of the bearing and the spacer ring; sealing devices are arranged between the two ends of the main shaft sleeve 40 and the shaft center 10; the lubricating channel is distributed between the bearing and the spacer ring; the lubrication passage includes a bearing portion lubrication passage 51 and a spacer ring portion lubrication passage 52; the bearing part lubricating channel 51 is communicated with the spacer ring part lubricating channel 52, more specifically, the bearing part lubricating channel 51 is a gap between a bearing inner ring and a bearing outer ring, the spacer ring part lubricating channel 52 is an axial through hole uniformly distributed on the spacer ring, and the gap between the bearing inner ring and the bearing outer ring of the axial through hole is communicated, so that lubricating oil can enter all bearings, and the efficient lubricating effect is achieved; the lubrication passage is communicated with an external oil supply device through the oil injection nozzle 60, more specifically, the oil injection nozzle is in threaded connection with the main shaft sleeve 40, an oil inlet passage is formed in the main shaft sleeve 40, and the oil inlet passage is communicated with the lubrication passage.
More specifically, in this embodiment, the bearing and the spacer ring are arranged at intervals.
More specifically in the present embodiment, the bearings include a first bearing 21, a second bearing 22, a third bearing 23, and a fourth bearing 24, which are arranged in this order from the front end to the rear end of the shaft center 10. The spacer ring includes a first spacer ring 31, a second spacer ring 32, and a third spacer ring 33 arranged in this order from the front end to the rear end of the shaft center 10.
More specifically, the sealing device in this embodiment includes a front end sealing device 70 and a rear end sealing device 80, and the front end sealing device 70 and the rear end sealing device 80 are both locked and connected to the main shaft housing 40 by bolts.
More specifically, in the present embodiment, the front end sealing device 70 includes a bearing gland 71 connected to the spindle cover 40, a spacer 72 fitted over the inner peripheral axis 10 of the bearing gland 71, and a frame-type rubber oil seal 73 disposed between the bearing gland 71 and the spacer 72, and more specifically, the bearing gland 71 is locked to the spindle cover 40 by bolts.
More specifically, in this embodiment, the rear end sealing device 80 includes an inner gland 81 and an outer gland 82 fixed in sequence from inside to outside, the inner gland 81 is connected with the outer gland 82 through a bolt, and the inner gland 81 is connected with the main shaft sleeve 40 through a screw locking; a small spacer ring 83 is additionally arranged between the inner gland 81 and the fourth bearing 24; an O-shaped sealing ring 84 is arranged on the inner periphery of the small spacer ring 83; an inner sleeve ring 85 and an outer sleeve ring 86 are additionally arranged between the small spacer ring 83 and the inner gland 81, wherein the inner sleeve ring 85 is sleeved on the periphery of the shaft center 10.
More specifically in the present embodiment, the outer edge of the outer gland 82 in contact with the inner gland 81 is provided as an arc-shaped projection 821; an arc groove 811 and an arc groove 811 are arranged on the inner gland 81 corresponding to the arc projection 821 and cooperate with the arc projection 821 to effectively prevent dust, water stain or metal slag from entering the main shaft.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A main shaft structure with good sealing and lubricating effects is provided with an axle center (10), and a bearing and a spacer ring which are sleeved on the periphery of the axle center (10); a main shaft sleeve (40) is sleeved on the peripheries of the bearing and the spacer ring; a sealing device is arranged between the two ends of the main shaft sleeve (40) and the shaft center (10); the method is characterized in that: the lubricating channel is distributed between the bearing and the spacer ring; the lubrication passage includes a bearing portion lubrication passage (51) and a spacer ring portion lubrication passage (52); the bearing portion lubrication passage (51) is in communication (52) with the spacer ring portion lubrication passage; the lubricating channel is communicated with an external oil supply device through an oil nozzle (60).
2. The spindle structure with good sealing and lubricating effects as claimed in claim 1, wherein: the bearing and the spacer ring are arranged at intervals.
3. The spindle structure with good sealing and lubricating effects as claimed in claim 2, wherein: the bearing comprises a first bearing (21), a second bearing (22), a third bearing (23) and a fourth bearing (24) which are sequentially arranged from the front end to the rear end of the shaft center (10).
4. The spindle structure with good sealing and lubricating effects as claimed in claim 2, wherein: the spacer ring comprises a first spacer ring (31), a second spacer ring (32) and a third spacer ring (33) which are sequentially arranged from the front end to the rear end of the shaft center (10).
5. The spindle structure with good sealing and lubricating effects as claimed in claim 2, wherein: the seal arrangement includes a front end seal arrangement (70) and a rear end seal arrangement (80).
6. The spindle structure with good sealing and lubricating effects as claimed in claim 5, wherein: the front end sealing device (70) comprises a bearing gland (71) connected with the main shaft sleeve (40), a spacer bush (72) sleeved on the inner peripheral axis (10) of the bearing gland (71), and a framework type rubber oil seal (73) arranged between the bearing gland (71) and the spacer bush (72).
7. A main shaft structure with good sealing and lubricating effects as claimed in claim 5 or 6, wherein: the rear end sealing device (80) comprises an inner gland (81) and an outer gland (82) which are fixed in sequence from inside to outside; a small spacer ring (83) is additionally arranged between the inner gland (81) and the fourth bearing (24); an O-shaped sealing ring (84) is arranged on the inner periphery of the small spacer ring (83); an inner sleeve ring (85) and an outer sleeve ring (86) are additionally arranged between the small spacer ring (83) and the inner gland (81).
8. The spindle structure with good sealing and lubricating effects as claimed in claim 7, wherein: the outer edge of the outer gland (82) in contact with the inner gland (81) is provided with an arc-shaped bulge (821); an arc-shaped groove (811) is arranged on the inner gland (81) corresponding to the arc-shaped bulge (821).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075789.0U CN213195660U (en) | 2020-09-21 | 2020-09-21 | Main shaft structure with good sealing and lubricating effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075789.0U CN213195660U (en) | 2020-09-21 | 2020-09-21 | Main shaft structure with good sealing and lubricating effects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213195660U true CN213195660U (en) | 2021-05-14 |
Family
ID=75823335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022075789.0U Expired - Fee Related CN213195660U (en) | 2020-09-21 | 2020-09-21 | Main shaft structure with good sealing and lubricating effects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213195660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029783A (en) * | 2021-10-30 | 2022-02-11 | 深圳市爱贝科精密工业股份有限公司 | Lubricating grease supplementing mechanism for lathe spindle |
-
2020
- 2020-09-21 CN CN202022075789.0U patent/CN213195660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029783A (en) * | 2021-10-30 | 2022-02-11 | 深圳市爱贝科精密工业股份有限公司 | Lubricating grease supplementing mechanism for lathe spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |