CN216681721U - Electric spindle of high-speed hydrostatic bearing grinding machine - Google Patents
Electric spindle of high-speed hydrostatic bearing grinding machine Download PDFInfo
- Publication number
- CN216681721U CN216681721U CN202120696732.4U CN202120696732U CN216681721U CN 216681721 U CN216681721 U CN 216681721U CN 202120696732 U CN202120696732 U CN 202120696732U CN 216681721 U CN216681721 U CN 216681721U
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- China
- Prior art keywords
- hydrostatic bearing
- bearing
- shell
- half shell
- chuck
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- 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
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- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 60
- 229910001651 emery Inorganic materials 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses an electric spindle of a high-speed hydrostatic bearing grinding machine, which belongs to the technical field of electric spindles and comprises a shell, wherein a spindle is horizontally arranged at the position of an axis in the shell, and the electric spindle is characterized in that: the grinding machine spindle comprises a shell, a first hydrostatic bearing is arranged at one end of the shell, a second hydrostatic bearing is arranged at one end of the shell, which is far away from the first hydrostatic bearing, the first hydrostatic bearing and the second hydrostatic bearing respectively comprise a bearing outer layer and a bearing inner layer, the bearing outer layer comprises an upper half shell and a lower half shell, the upper half shell is fixedly connected with the lower half shell, a spindle is fixedly connected with the first hydrostatic bearing and the second hydrostatic bearing, a grinding wheel chuck is arranged at one end of the spindle, which is close to the first hydrostatic bearing, a grinding wheel is arranged in the middle of the grinding wheel chuck, a film is arranged between the upper half shell and the lower half shell, an upper oil cavity is arranged in the shell and above the film, and a lower oil cavity is arranged in the shell and below the film.
Description
Technical Field
The utility model relates to the technical field of electric spindles, in particular to an electric spindle of a high-speed hydrostatic bearing grinding machine.
Background
In industrial production activities, grinding of workpieces is mainly performed on grinding machines, different grinding machine types such as an internal grinding machine, an external grinding machine, a plane grinding machine and an end face grinding machine need to be selected according to different processing requirements, the grinding machines are used as one of core components of the grinding machines, the stability of the operation of a main shaft has an important influence on the quality of the processed workpieces, a traditional grinding machine simply lubricates a bearing for supporting the main shaft, other measures are not taken to improve the bearing capacity of the main shaft, the problem that the operation of the main shaft is unstable easily occurs, and serious adverse effects are caused on the quality of the processed workpieces.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an electric spindle of a high-speed hydrostatic bearing grinding machine.
The utility model provides a high-speed hydrostatic bearing grinding machine electricity main shaft, includes the casing, the inside axis position level of casing sets up main shaft, its characterized in that: a first hydrostatic bearing is arranged at one end of the shell, a second hydrostatic bearing is arranged at one end of the shell far away from the first hydrostatic bearing, the first hydrostatic bearing and the second hydrostatic bearing respectively comprise a bearing outer layer and a bearing inner layer, the bearing outer layer comprises an upper half shell and a lower half shell, the upper half shell is fixedly connected with the lower half shell, the main shaft is fixedly connected with the first hydrostatic bearing and the second hydrostatic bearing, one end of the main shaft close to the first hydrostatic bearing is provided with a grinding wheel chuck, the middle part of the grinding wheel chuck is provided with a grinding wheel, a front cover is arranged at one end of the shell close to the grinding wheel chuck, a rear cover is arranged at one end of the shell far away from the grinding wheel chuck, the front cover and the rear cover are both fixedly connected with the shell through bolts, one side of the front cover close to the grinding wheel chuck is provided with a reinforcing ring, the inner side of the reinforcing ring is provided with a stabilizing bearing, and the main shaft is fixedly connected with the stabilizing bearing.
Furthermore, the upper half shell and the lower half shell are provided with a film therebetween, an upper oil cavity is formed inside the shell and above the film, a lower oil cavity is formed inside the shell and below the film, an oil inlet is formed in the surface of the upper half shell of the first hydrostatic bearing, the oil inlet is communicated with the upper oil cavity, an oil outlet is formed in the surface of the lower half shell of the first hydrostatic bearing, and the oil outlet is communicated with the lower oil cavity.
Furthermore, a small-hole throttler is arranged on the surface of the inner layer of the bearing.
Furthermore, the grinding wheel chuck comprises a mounting seat, a chuck is arranged on one side, away from the shell, of the mounting seat, clamping grooves are formed in one sides, close to the mounting seat, of the chuck, the grinding wheel is clamped with the clamping grooves, and the chuck is fixedly connected with the mounting seat through bolts.
The electric spindle of the high-speed hydrostatic bearing grinding machine has the beneficial effects that:
1. the main shaft is supported by the first hydrostatic bearing and the second hydrostatic bearing, and the design of combining film throttling and small hole throttling enables the main shaft to still run stably in a high-speed rotating state, so that the working stability of the main shaft of the grinding machine is effectively enhanced, and the processing quality of a workpiece by the grinding machine is obviously improved;
2. the reinforcing ring and the stabilizing bearing further enhance the working stability of the main shaft of the grinding machine, the mounting seat is connected with the main shaft through the bolt, the grinding wheel is connected with the clamping groove through the clamping, and the clamping connection is connected with the chuck through the bolt, so that the contact position of the grinding wheel and a workpiece is effectively enhanced, namely the strength of the maximum stress position is enhanced, and therefore the machining quality of the workpiece by the grinding machine is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the scope of the present invention is not limited thereto.
Fig. 1 is a schematic structural diagram of an electric spindle of a high-speed hydrostatic bearing grinding machine according to the present invention.
The oil-feeding device comprises a grinding wheel 1, a chuck 2, a mounting seat 3, a stable bearing 4, a grinding wheel chuck 5, a reinforcing ring 6, a front cover 7, an oil outlet 8, a shell 9, a main shaft 10, a lower oil cavity 11, a rear cover 12, a second hydrostatic bearing 13, an upper oil cavity 14, a first hydrostatic bearing 15 and an oil inlet 16.
Detailed Description
For the sake of clarity, the electric spindle of the high-speed hydrostatic bearing grinding machine according to the present invention will be further described with reference to fig. 1 of the drawings.
The utility model provides a high-speed hydrostatic bearing grinding machine electricity main shaft, includes casing 9, the inside axis position level of casing 9 sets up main shaft 10, its characterized in that: the utility model discloses a grinding wheel chuck, including casing 9, first hydrostatic bearing 15 one end sets up second hydrostatic bearing 13, first hydrostatic bearing 15, second hydrostatic bearing 13 all include bearing outer layer, bearing inner layer, the bearing outer layer includes upper half shell, lower half shell, upper half shell with lower half shell fixed connection, main shaft 10 with first hydrostatic bearing 15, second hydrostatic bearing 13 fixed connection, main shaft 10 is close to first hydrostatic bearing 15 one end sets up grinding wheel chuck 5, grinding wheel chuck 5 middle part sets up emery wheel 1, casing 9 is close to grinding wheel chuck 5 one end sets up protecgulum 7, casing 9 is kept away from grinding wheel chuck 5 one end sets up back cover 12, protecgulum 7, back cover 12 all through the bolt with casing 9 fixed connection, protecgulum 7 is close to grinding wheel chuck 5 one side sets up strengthening ring 6, the inner side of the reinforcing ring 6 is provided with a stabilizing bearing 4, and the main shaft 10 is fixedly connected with the stabilizing bearing 4.
Further, the upper half shell and the lower half shell are provided with a film therebetween, an upper oil cavity 14 is formed inside the shell 9 and above the film, a lower oil cavity 11 is formed inside the shell 9 and below the film, an oil inlet 16 is formed in the surface of the upper half shell of the first hydrostatic bearing 15, the oil inlet 16 is communicated with the upper oil cavity 14, an oil outlet 8 is formed in the surface of the lower half shell of the first hydrostatic bearing 15, and the oil outlet 8 is communicated with the lower oil cavity 11.
Furthermore, a small-hole throttler is arranged on the surface of the inner layer of the bearing.
Further, the grinding wheel chuck 5 comprises a mounting seat 3, the mounting seat 3 is far away from a chuck 2 is arranged on one side of the shell 9, the chuck 2 and one side, close to the mounting seat 3, of the mounting seat are provided with clamping grooves, the grinding wheel 1 is connected with the clamping grooves in a clamped mode, and the chuck 2 is fixedly connected with the mounting seat 3 through bolts.
The working principle of the electric spindle of the high-speed hydrostatic bearing grinding machine is as follows: the staff only needs to select suitable emery wheel 1, be fixed in the draw-in groove position on mount pad 3 surface with emery wheel 1, and then use the bolt can accomplish emery wheel 1's installation through chuck 2 to the centre gripping of emery wheel 1, the starter motor, main shaft 10 can drive emery wheel 1 and rotate at a high speed and grind the work piece, in this process, first hydrostatic bearing 15, second hydrostatic bearing 13, stabilizing bearing 4 keeps the steady bearing to main shaft 10 all the time, the design of film throttle and aperture throttle makes first hydrostatic bearing 15, second hydrostatic bearing 13 and main shaft 10 can moderate degree lubrication all the time, the stability of grinding machine main shaft 10 work obviously promotes from this.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a high-speed hydrostatic bearing grinding machine electricity main shaft, includes casing (9), the inside axis position level of casing (9) sets up main shaft (10), its characterized in that: casing (9) one end sets up first hydrostatic bearing (15), casing (9) are kept away from first hydrostatic bearing (15) one end sets up second hydrostatic bearing (13), first hydrostatic bearing (15), second hydrostatic bearing (13) all include bearing skin, bearing inlayer, the bearing skin includes upper half shell, lower half shell, upper half shell with lower half shell fixed connection, main shaft (10) with first hydrostatic bearing (15), second hydrostatic bearing (13) fixed connection, main shaft (10) are close to first hydrostatic bearing (15) one end sets up emery wheel chuck (5), emery wheel chuck (5) middle part sets up emery wheel (1), casing (9) are close to emery wheel chuck (5) one end sets up protecgulum (7), casing (9) are kept away from emery wheel chuck (5) one end sets up back cover (12), the grinding wheel chuck is characterized in that the front cover (7) and the rear cover (12) are fixedly connected with the shell (9) through bolts, a reinforcing ring (6) is arranged on one side, close to the grinding wheel chuck (5), of the front cover (7), a stabilizing bearing (4) is arranged on the inner side of the reinforcing ring (6), and the main shaft (10) is fixedly connected with the stabilizing bearing (4).
2. The high-speed hydrostatic bearing grinding machine electric spindle as claimed in claim 1, wherein a film is arranged between the upper half shell and the lower half shell, an upper oil chamber (14) is arranged inside the housing (9) above the film, a lower oil chamber (11) is arranged inside the housing (9) below the film, an oil inlet (16) is arranged on the surface of the upper half shell of the first hydrostatic bearing (15), the oil inlet (16) is communicated with the upper oil chamber (14), an oil outlet (8) is arranged on the surface of the lower half shell of the first hydrostatic bearing (15), and the oil outlet (8) is communicated with the lower oil chamber (11).
3. The electric spindle of a high-speed hydrostatic bearing grinding machine according to claim 1, characterized in that a small-hole restrictor is arranged on the surface of the inner bearing layer.
4. The high-speed hydrostatic bearing grinding machine electric spindle of claim 1, characterized in that the grinding wheel chuck (5) comprises a mounting seat (3), a chuck (2) is arranged on one side of the mounting seat (3) far away from the shell (9), clamping grooves are arranged on one sides of the chuck (2) close to the mounting seat (3), the grinding wheel (1) is clamped with the clamping grooves, and the chuck (2) is fixedly connected with the mounting seat (3) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120696732.4U CN216681721U (en) | 2021-04-07 | 2021-04-07 | Electric spindle of high-speed hydrostatic bearing grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120696732.4U CN216681721U (en) | 2021-04-07 | 2021-04-07 | Electric spindle of high-speed hydrostatic bearing grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216681721U true CN216681721U (en) | 2022-06-07 |
Family
ID=81822221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120696732.4U Expired - Fee Related CN216681721U (en) | 2021-04-07 | 2021-04-07 | Electric spindle of high-speed hydrostatic bearing grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216681721U (en) |
-
2021
- 2021-04-07 CN CN202120696732.4U patent/CN216681721U/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: 20220607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |