CN216842722U - Three-proofing bearing of numerical control machine tool - Google Patents
Three-proofing bearing of numerical control machine tool Download PDFInfo
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- CN216842722U CN216842722U CN202220396735.0U CN202220396735U CN216842722U CN 216842722 U CN216842722 U CN 216842722U CN 202220396735 U CN202220396735 U CN 202220396735U CN 216842722 U CN216842722 U CN 216842722U
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- Prior art keywords
- pipe
- ring
- sealing
- oil
- groove
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 239000003921 oil Substances 0.000 abstract description 43
- 239000010687 lubricating oil Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of bearings, in particular to a three-proofing bearing of a numerical control machine tool, which comprises an inner ring, an outer ring and balls, wherein the outer ring is positioned outside the inner ring, and the balls are connected between the outer ring and the inner ring in a rolling way; the both ends outside about the inner circle and both ends inboard all have the seal groove about the outer lane, install the sealing ring between inside two inside and outside seal grooves with one side. Through in the sealing ring outside, the inboard sets up sealing washer one, the one end that is close to the seal groove tank bottom at the sealing ring sets up sealing washer two, can improve sealing ring and inner circle, leakproofness between the outer lane, the waterproof of bearing has been improved like this, dustproof and leak protection oil effect, and open the tube cap through rotating, rotatory oil pipe that adds to suitable oiling angle again, just can add oil pipe with lubricating oil, make lubricating oil follow the oil pipe along adding oil pipe and emit into the oil inlet, the convenience is with lubricating oil input inner circle like this, between the outer lane, thereby make things convenient for the interpolation of later stage lubricating oil.
Description
Technical Field
The utility model relates to a bearing technical field, concretely relates to digit control machine tool three proofings bearing.
Background
The bearing is a component for fixing and reducing the load friction coefficient in the mechanical transmission process. It can also be said that the member for reducing the friction coefficient during power transmission and keeping the center position of the shaft fixed when the other members are moved relative to each other on the shaft. The bearing is a lightweight part in a numerical control machine tool. The three-proofing bearing is a waterproof, dustproof and oil-leakage-proof bearing.
When current three proofings bearing is used in the digit control machine tool, though can be waterproof, dustproof and leak protection oil, there is the inside lubricating oil later stage of three proofings bearing to add comparatively inconvenient problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a digit control machine tool three proofings bearing to solve current three proofings bearing, when being used in the digit control machine tool, though can be waterproof, dustproof and leak protection oil, but there is the inside lubricating oil later stage of three proofings bearing to add comparatively inconvenient problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a three-proofing bearing of a numerical control machine tool comprises an inner ring, an outer ring and balls, wherein the outer ring is positioned on the outer side of the inner ring, and the balls are connected between the outer ring and the inner ring in a rolling manner;
sealing grooves are formed in the outer sides of the upper end and the lower end of the inner ring and the inner sides of the upper end and the lower end of the outer ring, a sealing ring is arranged between the inner parts of the sealing grooves on the same side of the inner part and the outer part, a first sealing ring is fixed on the outer side and the inner side of the sealing ring, and a second sealing ring is fixed on one end, close to the bottom of the sealing groove, of the sealing ring;
the oil inlet device is characterized in that a thread groove is formed in the middle of the outer wall of the outer ring, an oil inlet is formed in the bottom of the thread groove, and an oil inlet device is installed inside the thread groove.
Preferably, an annular groove I is formed in the inner wall of the sealing groove, and the sealing ring I is located inside the annular groove I and is in sliding connection with the annular groove I.
Preferably, an annular groove II is formed in the bottom of the sealing groove, and the sealing ring II is located inside the annular groove II and is in sliding connection with the annular groove II.
Preferably, the oil inlet device comprises an oil filling pipe, a pipe cover and a threaded pipe, the threaded pipe is connected inside the threaded groove in a threaded mode, the oil filling pipe is L-shaped and is rotatably connected to the tail end of the threaded pipe, and the pipe cover is connected to the tail end of the oil filling pipe in a threaded mode.
Preferably, the head end of the oil filling pipe extends into the tail end of the threaded pipe, the outer wall of the head end of the oil filling pipe is provided with a first annular boss, and the first annular boss is embedded into the inner wall of the threaded pipe and is rotatably connected with the threaded pipe.
Preferably, the outer side of the head end of the oil filling pipe is provided with a second annular boss, and the second annular boss is embedded into the tail end of the threaded pipe and is rotatably connected with the threaded pipe.
Has the advantages that: through in the sealing ring outside, the inboard sets up sealing washer one, the one end that is close to the seal groove tank bottom at the sealing ring sets up sealing washer two, can improve sealing ring and inner circle, leakproofness between the outer lane, the waterproof of bearing has been improved like this, dustproof and leak protection oil effect, and open the tube cap through rotating, rotatory oil pipe that adds to suitable oiling angle again, just can add oil pipe with lubricating oil, make lubricating oil follow the oil pipe along adding oil pipe and emit into the oil inlet, the convenience is with lubricating oil input inner circle like this, between the outer lane, thereby make things convenient for the interpolation of later stage lubricating oil.
Drawings
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 3 is a partially enlarged view of B of fig. 1 according to the present invention.
In the figure: 1-inner ring, 2-outer ring, 3-ball, 4-sealing ring, 5-oil filling pipe, 6-pipe cover, 7-oil inlet, 8-thread groove, 9-thread pipe, 10-annular boss I, 11-annular boss II, 12-sealing groove, 13-sealing ring I, 14-sealing ring II.
Detailed Description
Referring to fig. 1 to 3, a three-proofing bearing for a numerical control machine tool includes an inner ring 1, an outer ring 2 and balls 3, wherein the outer ring 2 is located outside the inner ring 1, the balls 3 are connected between the outer ring 2 and the inner ring 1 in a rolling manner, and the inner ring 1 and the outer ring 2 are movable through the balls 3;
the outer sides of the upper end and the lower end of the inner ring 1 and the inner sides of the upper end and the lower end of the outer ring 2 are both provided with a sealing groove 12, a sealing ring 4 is arranged between the inner part and the outer part of the sealing groove 12 at the same side, the outer side and the inner side of the sealing ring 4 are both fixed with a first sealing ring 13, one end of the sealing ring 4 close to the groove bottom of the sealing groove 12 is fixed with a second sealing ring 14, the inner wall of the sealing groove 12 is provided with a first annular groove, the first sealing ring 13 is positioned in the first annular groove and is in sliding connection with the first annular groove, the groove bottom of the sealing groove 12 is provided with a second annular groove, the second sealing ring 14 is positioned in the second annular groove and is in sliding connection with the second annular groove, when the inner ring 1 and the outer ring 2 move, the sealing ring 4 can slide with the inner ring 1 or the outer ring 2 in the sealing groove 12, and water and dust can be prevented from entering between the inner ring 1 and the outer ring 2 through the sealing ring 4, the lubricating oil between the inner ring 1 and the outer ring 2 can be prevented from leaking;
in addition, the first sealing ring 13 is arranged on the outer side and the inner side of the sealing ring 4, the first sealing ring 13 is positioned in the first annular groove on the inner wall of the sealing groove 12, the second sealing ring 14 is arranged at one end, close to the bottom of the sealing groove 12, of the sealing ring 4, and the second sealing ring 14 is positioned in the second annular groove on the bottom of the sealing groove 12, so that the sealing performance between the sealing ring 4 and the inner ring 1 and the outer ring 2 can be improved, and the waterproof, dustproof and oil leakage prevention effects of the bearing are improved;
the middle of the outer wall of the outer ring 2 is provided with a thread groove 8, the bottom of the thread groove 8 is provided with an oil inlet 7, the inside of the thread groove 8 is provided with an oil inlet device, the oil inlet device comprises an oil filling pipe 5, a pipe cover 6 and a thread pipe 9, the thread pipe 9 is connected inside the thread groove 8, the oil filling pipe 5 is L-shaped and is rotatably connected with the tail end of the thread pipe 9, the pipe cover 6 is in threaded connection with the tail end of the oil filling pipe 5, the head end of the oil filling pipe 5 extends into the inside of the tail end of the thread pipe 9, the outer wall of the head end of the oil filling pipe 5 is provided with a first annular boss 10, the first annular boss 10 is embedded into the inner wall of the thread pipe 9 and is rotatably connected with the thread pipe 9, the outer side of the head end of the oil filling pipe 5 is provided with a second annular boss 11, the second annular boss 11 is embedded into the tail end of the thread pipe 9 and is rotatably connected with the thread pipe 9, the pipe cover 6 is opened by rotation, and the oil filling pipe 5 is rotated to a proper oil filling angle, the oil filling pipe 5 and the threaded pipe 9 rotate, the annular boss I10 and the annular boss II 11 both rotate with the threaded pipe 9, and the annular boss I10 can prevent the oil filling pipe 5 from being separated from the threaded pipe 9, so that lubricating oil can be added into the oil filling pipe 5, the lubricating oil is discharged into the oil inlet 7 from the threaded pipe 9 along the oil filling pipe 5, the lubricating oil is conveniently input between the inner ring 1 and the outer ring 2, and the lubricating oil is convenient to be added in the later period.
Claims (6)
1. The utility model provides a digit control machine tool three proofings bearing, includes inner circle (1), outer lane (2) and ball (3), outer lane (2) are located inner circle (1) outside, ball (3) roll connection is between outer lane (2) and inner circle (1), its characterized in that:
sealing grooves (12) are formed in the outer sides of the upper end and the lower end of the inner ring (1) and the inner sides of the upper end and the lower end of the outer ring (2), a sealing ring (4) is arranged between the inner parts of the sealing grooves (12) on the same side of the inner part and the outer part, sealing rings I (13) are fixed on the outer side and the inner side of the sealing ring (4), and a sealing ring II (14) is fixed at one end, close to the bottom of the sealing groove (12), of the sealing ring (4);
a thread groove (8) is formed in the middle of the outer wall of the outer ring (2), an oil inlet (7) is formed in the bottom of the thread groove (8), and an oil inlet device is arranged inside the thread groove (8).
2. The numerically-controlled machine tool three-proofing bearing according to claim 1, wherein: an annular groove I is formed in the inner wall of the sealing groove (12), and the sealing ring I (13) is located inside the annular groove I and is in sliding connection with the annular groove I.
3. The numerically-controlled machine tool three-proofing bearing according to claim 1, wherein: and a second annular groove is formed in the bottom of the sealing groove (12), and the second sealing ring (14) is located inside the second annular groove and is in sliding connection with the second annular groove.
4. The numerically-controlled machine tool three-proofing bearing according to claim 1, wherein: the oil inlet device comprises an oil filling pipe (5), a pipe cover (6) and a threaded pipe (9), wherein the threaded pipe (9) is connected inside a threaded groove (8) in a threaded mode, the oil filling pipe (5) is L-shaped and is rotatably connected to the tail end of the threaded pipe (9), and the pipe cover (6) is connected to the tail end of the oil filling pipe (5) in a threaded mode.
5. The numerically-controlled machine tool three-proofing bearing according to claim 4, wherein: add oil pipe (5) head end and extend into the terminal inside of screwed pipe (9), add oil pipe (5) head end outer wall and be equipped with annular boss (10), annular boss (10) embedding screwed pipe (9) inner wall and with screwed pipe (9) rotation connection.
6. The numerically-controlled machine tool three-proofing bearing according to claim 4, wherein: the outer side of the head end of the oil filling pipe (5) is provided with a second annular boss (11), and the second annular boss (11) is embedded into the tail end of the threaded pipe (9) and is rotatably connected with the threaded pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220396735.0U CN216842722U (en) | 2022-02-26 | 2022-02-26 | Three-proofing bearing of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220396735.0U CN216842722U (en) | 2022-02-26 | 2022-02-26 | Three-proofing bearing of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842722U true CN216842722U (en) | 2022-06-28 |
Family
ID=82092789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220396735.0U Expired - Fee Related CN216842722U (en) | 2022-02-26 | 2022-02-26 | Three-proofing bearing of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842722U (en) |
-
2022
- 2022-02-26 CN CN202220396735.0U patent/CN216842722U/en not_active Expired - Fee Related
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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: 20220628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |