CN203542189U - High-speed inclined cavity static pressure main shaft - Google Patents
High-speed inclined cavity static pressure main shaft Download PDFInfo
- Publication number
- CN203542189U CN203542189U CN201320601093.4U CN201320601093U CN203542189U CN 203542189 U CN203542189 U CN 203542189U CN 201320601093 U CN201320601093 U CN 201320601093U CN 203542189 U CN203542189 U CN 203542189U
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- China
- Prior art keywords
- main shaft
- bearing
- static pressure
- oil
- high speed
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- Expired - Fee Related
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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
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Abstract
The utility model provides a high-speed inclined cavity static pressure main shaft which comprises a main shaft, a casing and a front bearing and a back bearing, wherein the front bearing and the back bearing are arranged in the casing; the main shaft is supported in the front bearing and the back bearing respectively; the front end of the main shaft is provided with a grinding and cutting device, and the back end of the main shaft is provided with a motor; the back end of the casing is provided with a back thrust cover; each bearing comprises an oil cavity and an oil sealing edge, and each oil cavity is an inclined oil cavity. The main shaft has the advantages that by adopting the bearings with inclined cavities, the main shaft is supported on the bearings, so the temperature of the main shaft is favorably raised during rotation, and the reduction of temperature raising due to the turbulence of the oil liquid in the bearings is effectively avoided; the back end of the main shaft adopts a high-precision variable-frequency and speed-adjusting motor, so the stability and the accuracy of the main shaft during transmission are improved.
Description
Technical field
The utility model relates to electric main shaft, especially relates to a kind of at a high speed oblique chamber static pressure electric main shaft.
Background technology
In machine cut, generally, people wish that described cutter can have high main shaft rotary speed and large power, because in many occasions, use that large power and higher cutting speed can obtain preferably, the cutting result relevant with precision, stock removal rate and process-cycle etc. with as-machined workpiece surface fineness.For example, can, with powerful rough cut, to make metal removal factor reach maximum, then can revise final roughing and change in size with fine finishining in the processing such as grinding or boring.Each operation in these operations all will paid attention to the rigidity of machine shaft and in the case of the restriction aspect given horse power lower main axis power, carefully selection tool speed, feed rate, cutting depth so that the cycle reach the shortest and enhance productivity.
Conventionally, motor for these main shafts is all induction conductivity, they can drive the rotating shaft of the described main shaft that carries cutting tool, described rotating shaft is being supported and is being rotated by all bearings. and described main shaft rotating shaft can be driven by described electric-motor drive main shaft, its power is transmitted by belt and/or the gear of motor, and therefore described cutter is by described main shaft rotating shaft, transmit gear transmission chain with motor power (output) and be connected with the transmission main shaft of described motor.The power demand of machining is directly proportional to speed and cutting force, and the power attenuation in all bearings and described machine gear increases with speed. because power attenuation and metal removal factor have direct relation, and metal removal factor has relation with productivity ratio, therefore, when selecting a cutter, must consider the rated power of spindle drive motor.In order to reduce the number of times of cutting, should make the degree of depth of cutting large as much as possible in the limited field of the required cutting output of machine power and workpiece as far as possible. along with the increase of cutting depth, on cutterhead cutting exert oneself also change gradually greatly.Therefore,, when needs carry out relatively dark cutting, just need larger power.In addition, the process operation of some specific type and workpiece raw material have also determined certain power demand, for example, when Steel material is carried out to tapping, the running that main shaft rotating shaft must be quite slow, but still can provide enough moment for cutting.The main shaft rotating shaft of a lot of existing lathes has induction conductivity, its power limited, thereby main shaft rotation speed is unhappy, stability and precision are not high.
Utility model content
The utility model object is for the existing above-mentioned technical problem of prior art, and a kind of at a high speed oblique chamber static pressure electric main shaft is provided, and can effectively improve stability and accuracy that main shaft rotates.
Realize above-mentioned purpose, the utility model proposes a kind of at a high speed oblique chamber static pressure electric main shaft is provided, comprise main shaft, housing, bearing, described bearing comprises fore bearing and rear bearing, and described fore bearing and rear bearing are arranged in housing, main shaft be supported on respectively in fore bearing and rear bearing in, the front end of described main shaft is provided with mill cutting apparatus, and the rear end of described main shaft is provided with motor, and described housing rear end is to be provided with rear thrust lid, described bearing comprises oil pocket and sealing oil edge, and described oil pocket adopts italic oil pocket.
As preferably, described front-end of spindle is provided with sealing device.
As preferably, described housing is provided with oil-in and oil-out.
As preferably, the inwall of described housing is provided with groove.
As preferably, described motor adopts high-accuracy frequency control motor.
Compared with prior art, the utility model adopts the bearing with oblique chamber, main shaft supporting is on bearing, so that main shaft is in the temperature rise of rotation, effectively avoided the disorder because of the fluid of bearing inside, just reduce temperature rise, rear-end of spindle adopts high-accuracy frequency control motor, has improved stability and accuracy when main shaft rotates.
Accompanying drawing explanation
Fig. 1 is the structure chart of the oblique chamber of a kind of high speed described in the utility model static pressure electric main shaft.
Fig. 2 is the structure chart after the expansion of bearing described in the utility model.
The specific embodiment
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
As illustrated in fig. 1 and 2, a kind of at a high speed oblique chamber static pressure electric main shaft, comprise main shaft 1, housing 2, bearing 3, described bearing 3 comprises fore bearing 31 and rear bearing 32, described fore bearing 31 and rear bearing 32 are arranged in housing 2, main shaft 1 be supported on respectively in fore bearing 31 and rear bearing 32 in, the front end of described main shaft 1 is provided with mill cutting apparatus 4, the rear end of described main shaft 1 is provided with motor 5, described housing 2 rear ends are to be provided with rear thrust lid 6, described bearing 3 comprises oil pocket 33 and sealing oil edge 34, described oil pocket 33 adopts italic oil pocket, described main shaft 1 front end is provided with sealing device, described housing 2 is provided with oil-in and oil-out, the inwall of described housing 2 is provided with groove, described motor 5 adopts high-accuracy frequency control motor.
Specific embodiment described herein is only to the explanation for example of the utility model structure.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. the oblique chamber of a high speed static pressure electric main shaft, comprise main shaft, housing, bearing, it is characterized in that: described bearing comprises fore bearing and rear bearing, described fore bearing and rear bearing are arranged in housing, main shaft be supported on respectively in fore bearing and rear bearing in, the front end of described main shaft is provided with mill cutting apparatus, the rear end of described main shaft is provided with motor, described housing rear end is to be provided with rear thrust lid, and described bearing comprises oil pocket and sealing oil edge, and described oil pocket adopts italic oil pocket.
2. a kind of at a high speed oblique chamber as claimed in claim 1 static pressure electric main shaft, is characterized in that: described front-end of spindle is provided with sealing device.
3. a kind of at a high speed oblique chamber as claimed in claim 1 static pressure electric main shaft, is characterized in that: described housing is provided with oil-in and oil-out.
4. a kind of at a high speed oblique chamber as claimed in claim 1 static pressure electric main shaft, is characterized in that: the inwall of described housing is provided with groove.
5. a kind of at a high speed oblique chamber as claimed in claim 1 static pressure electric main shaft, is characterized in that: described motor adopts high-accuracy frequency control motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601093.4U CN203542189U (en) | 2013-09-27 | 2013-09-27 | High-speed inclined cavity static pressure main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601093.4U CN203542189U (en) | 2013-09-27 | 2013-09-27 | High-speed inclined cavity static pressure main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203542189U true CN203542189U (en) | 2014-04-16 |
Family
ID=50460357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601093.4U Expired - Fee Related CN203542189U (en) | 2013-09-27 | 2013-09-27 | High-speed inclined cavity static pressure main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203542189U (en) |
-
2013
- 2013-09-27 CN CN201320601093.4U patent/CN203542189U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20150927 |
|
| EXPY | Termination of patent right or utility model |