CN211680030U - Dustproof structure of lathe spindle - Google Patents
Dustproof structure of lathe spindle Download PDFInfo
- Publication number
- CN211680030U CN211680030U CN201921848876.6U CN201921848876U CN211680030U CN 211680030 U CN211680030 U CN 211680030U CN 201921848876 U CN201921848876 U CN 201921848876U CN 211680030 U CN211680030 U CN 211680030U
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- CN
- China
- Prior art keywords
- sleeve
- lathe spindle
- lathe
- diameter
- main shaft
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- Expired - Fee Related
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Abstract
The utility model discloses a dustproof construction of lathe spindle, it includes coaxial coupling's first sleeve and second sleeve, first telescopic diameter is less than the second sleeve, first sleeve cover is in the front portion of lathe spindle, the second sleeve cover is in the bottom of lathe spindle, the telescopic internal diameter of second equals the diameter of lathe spindle bottom, first telescopic internal diameter is greater than the anterior diameter of lathe spindle, the cover has the spring between first sleeve and the lathe spindle, sealed lid and two bearings, sealed lid sets up in first telescopic open end, the spring sets up between two bearings. The dustproof structure can reduce dust or impurities from entering the main shaft.
Description
Technical Field
The utility model relates to a lathe, especially a dustproof construction of lathe main shaft.
Background
The lathe is an important device in mechanical production and processing, and mainly uses a turning tool to carry out turning processing on a workpiece. The lathe spindle refers to a shaft on a lathe for driving a workpiece or a cutter to rotate, and generally comprises a spindle, a bearing, a transmission part and the like. With the development of science and technology, the rotating speed of the machine tool spindle is higher and higher, and the speed change range is larger and larger, so that the requirement on the high-speed running stability of the bearing is higher and higher. However, the lathe spindle is usually performed in an environment with a large amount of dust and cutting impurities, and if the lathe spindle is not subjected to sealing and dust-proof treatment, the dust or the impurities can enter the spindle to cause spindle abrasion, reduce the rotation precision and influence the processing precision of a workpiece, so that the service life of the lathe spindle is influenced. Therefore, a dustproof structure of a lathe spindle is provided to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a dustproof construction of lathe main shaft is provided, can reduce inside dust or debris get into the main shaft.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a dustproof construction of lathe spindle, first sleeve and second sleeve including coaxial coupling, first telescopic diameter is less than the second sleeve, first sleeve cover is in the front portion of lathe spindle, the second sleeve cover is in the bottom of lathe spindle, the telescopic internal diameter of second equals the diameter of lathe spindle bottom, first telescopic internal diameter is greater than the anterior diameter of lathe spindle, the cover has the spring between first sleeve and the lathe spindle, sealed lid and two bearings, sealed lid sets up in first telescopic open end, the spring sets up between two bearings.
As a further improvement of the above technical solution:
the sum of the lengths of the spring, the sealing cover and the two bearings is preferably equal to the length of the first sleeve. The bearing is then preferably a needle bearing.
The lathe main shafts at the openings of the first sleeve and the second sleeve are sleeved with rubber rings, and one end of each rubber ring abuts against the end head of the first sleeve or the end head of the second sleeve. The rubber ring can further improve the sealing performance and simultaneously is used for buffering the collision of the first sleeve and the second sleeve with other parts of a lathe spindle or other components of a lathe. At the moment, the outer diameter of the rubber ring is as large as that of the first sleeve or the second sleeve at the position of the rubber ring, and a clamping ring is sleeved at the position, close to the first sleeve or the second sleeve, of the rubber ring.
The utility model has the advantages that:
the utility model discloses according to the difference of lathe main shaft front portion and bottom diameter, designed first sleeve and second sleeve, be provided with two bearings and spring between first sleeve and the main shaft, can let the bearing keep reasonable interval, increase main shaft pivoted stability, first, subassembly such as the sealed lid of second sleeve cooperation, rubber circle can avoid or reduce inside dust or debris get into the main shaft by the main shaft front end.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
The reference numbers in the figures are:
1. a rubber ring; 2. tightly pressing the ring; 3. a second sleeve; 4. a bearing; 5. a spring; 6. a first sleeve; 7. a sealing cover; 8. A lathe spindle.
Detailed Description
The present invention will be described with reference to the accompanying drawings, wherein the specific embodiments are described herein for illustrative and explanatory purposes only and are not limiting.
As shown in fig. 1, the dustproof structure of the lathe spindle of the present embodiment includes a first sleeve 6 and a second sleeve 3 which are coaxially connected, a diameter of the first sleeve 6 is smaller than that of the second sleeve 3, the first sleeve 6 is sleeved on a front portion of the lathe spindle 8, the second sleeve 3 is sleeved on a bottom portion of the lathe spindle 8, an inner diameter of the second sleeve 3 is equal to that of the bottom portion of the lathe spindle 8, an inner diameter of the first sleeve 6 is larger than that of the front portion of the lathe spindle 8, a spring 5, a seal cover 7 and two bearings 4 are sleeved between the first sleeve 6 and the lathe spindle 8, the seal cover 7 is disposed at an opening end of the first sleeve 6, and the spring 5 is disposed between the two bearings 4. The bearing 4 is a needle bearing. The sum of the lengths of the spring 5, the sealing cover 7 and the two bearings 4 is equal to the length of the first sleeve 6.
The rubber ring 1 is sleeved on a lathe spindle 8 at the opening of the first sleeve 6 and the second sleeve 3, and one end of the rubber ring 1 is abutted against the end of the first sleeve 6 or the second sleeve 3. The outer diameter of the rubber ring 1 is as large as the outer diameter of the first sleeve 6 or the second sleeve 3 at the position of the rubber ring, and the clamping ring 2 is sleeved at the position, close to the first sleeve 6 or the second sleeve 3, of the rubber ring 1.
Claims (5)
1. Dustproof construction of lathe main shaft, its characterized in that: first sleeve (6) and second sleeve (3) including coaxial coupling, the diameter of first sleeve (6) is less than second sleeve (3), first sleeve (6) overlaps in the front portion of lathe main shaft (8), the bottom in lathe main shaft (8) is overlapped in second sleeve (3), the internal diameter of second sleeve (3) equals the diameter of lathe main shaft (8) bottom, the internal diameter of first sleeve (6) is greater than the diameter of lathe main shaft (8) front portion, the cover has spring (5) between first sleeve (6) and lathe main shaft (8), sealed lid (7) and two bearings (4), sealed lid (7) set up in the open end of first sleeve (6), spring (5) set up between two bearings (4).
2. The dust-proof structure of a lathe spindle according to claim 1, characterized in that: the sum of the lengths of the spring (5), the sealing cover (7) and the two bearings (4) is equal to the length of the first sleeve (6).
3. The dust-proof structure of a lathe spindle according to claim 1, characterized in that: the rubber ring (1) is sleeved on the lathe spindle (8) at the opening of the first sleeve (6) and the second sleeve (3), and one end of the rubber ring (1) abuts against the end of the first sleeve (6) or the second sleeve (3).
4. The dust-proof structure of a lathe spindle according to claim 3, characterized in that: the outer diameter of the rubber ring (1) is as large as the outer diameter of the first sleeve (6) or the second sleeve (3) at the position of the rubber ring, and the clamping ring (2) is sleeved at the position, close to the first sleeve (6) or the second sleeve (3), of the rubber ring (1).
5. The dust-proof structure of a lathe spindle according to claim 1, characterized in that: the bearing (4) is a needle bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921848876.6U CN211680030U (en) | 2019-10-30 | 2019-10-30 | Dustproof structure of lathe spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921848876.6U CN211680030U (en) | 2019-10-30 | 2019-10-30 | Dustproof structure of lathe spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211680030U true CN211680030U (en) | 2020-10-16 |
Family
ID=72785892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921848876.6U Expired - Fee Related CN211680030U (en) | 2019-10-30 | 2019-10-30 | Dustproof structure of lathe spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211680030U (en) |
-
2019
- 2019-10-30 CN CN201921848876.6U patent/CN211680030U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20211030 |