CN203636504U - Precise rotary working table - Google Patents
Precise rotary working table Download PDFInfo
- Publication number
- CN203636504U CN203636504U CN201420004214.1U CN201420004214U CN203636504U CN 203636504 U CN203636504 U CN 203636504U CN 201420004214 U CN201420004214 U CN 201420004214U CN 203636504 U CN203636504 U CN 203636504U
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- CN
- China
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- torque motor
- workbench
- working table
- hydrostatic
- fixedly connected
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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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a precise rotary working table comprising a working table shell, a working table shaft and a rotary mandrel. A torque motor base is fixedly connected in the working table shell and is arranged on the rotary mandrel in a sleeving manner. A stator and a rotor are arranged between the torque motor base and the rotary mandrel, the stator is fixedly arranged on the inner wall of the torque motor base, the rotor is fixedly connected on the outer side of the rotary mandrel, the bottom of the rotary mandrel is fixedly connected with a rotary sleeve which sleeves a hydrostatic bearing, a hydrostatic guideway is arranged at the bottom of the rotary sleeve, and both the hydrostatic bearing and the hydrostatic guideway are fixed at the bottom of the working table shell. The precise rotary working table adopts a high-precision split torque motor to perform indexing, a high-precision hydrostatic bearing and hydrostatic guideway combined structure is adopted for centering and supporting the working table, the problem about clearance adjustment of the centering hydrostatic bearing is solved, the problem of shutdown of the working table due to the fact that a hydrostatic surface of a large working table is strained in case of cutting load and overturning moment is solved as well, and precision and stability of the precise working table are improved.
Description
Technical field
The utility model belongs to machine tool technology field, specifically relates to a kind of micro swivel.
Background technology
Rotary table is vertical lathe, milling machine, machining center, the core component of the multiple lathe such as digital control gear shaper, the kinematic accuracy of rotary table, bearing capacity, the element relationship such as the ability of reply impulsive force are to production and processing ability and the efficiency of whole lathe, existingly generally all adopt worm-gears to carry out calibration transmission for the rotary table on the large-scale gear hobbing machine lathe of machining gears, this structure is not eliminated the device in gap between worm-gears, its transmission accuracy is not high, worm screw is all generally to adopt sliding supported condition in addition, the too small meeting in the sliding bearing gap great Yi that causes loading pulls, when gap is large, can reduce rotating accuracy, affect transmission accuracy, the periodic cutting load of interruption bearing due to the heavy duty machine tools upper rotary workbench of machining gears, axial load is large, it is larger that it imposes on workbench (heeling moment) disturbing moment, guide pass precision and rigidity requirement to workbench centering and bearing load are very high, common rotary table can not meet existing Gear Processing requirement.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of micro swivel, this micro swivel to adopt the split type torque motor of high accuracy to carry out calibration, workbench centering and supporting adopt high-precision static pressure bearing and hydrostatic slideway combining structure, problem is adjusted in the gap that has solved centering hydrostatic bearing, the large-scale workbench static pressure face in the time being subject to cutting load and disturbing moment that solved is again pulled the problem that causes the vexed car of workbench, improves precision stage precision and stability.
In order to achieve the above object, a kind of micro swivel of the utility model, comprise workbench housing, workbench axle, the revolution mandrel being fixedly connected with workbench axle, in described workbench housing, be fixedly connected with base for torque motor, described base for torque motor is sleeved on revolution mandrel and is provided with stator and rotor between the two, described stator is fixedly installed on base for torque motor inwall, described rotor is fixedly connected on revolution mandrel outside, described revolution mandrel bottom is fixedly connected with revolving sleeve, described revolving sleeve is sleeved on hydrostatic bearing, described revolving sleeve bottom is provided with hydrostatic slideway, described hydrostatic bearing and hydrostatic slideway are all fixed on workbench housing bottom.
Further, described hydrostatic bearing and revolving sleeve contact-making surface are set to the conical surface.
Further, described base for torque motor upper end is provided with ring flange I, described ring flange I be bolted to connection in workbench inner walls and the upper surface of ring flange I lower than the upper surface of workbench housing, between described base for torque motor lower end and revolution mandrel, be provided with shaft seal.
Further, described revolution mandrel upper end is provided with ring flange II, and described rotor is bolted to connection on ring flange II lower surface, is also provided with the screwed hole of connecting working table axle on described ring flange II upper surface.
Further, between described base for torque motor upper end and workbench axle, be provided with shaft seal I.
Further, on described workbench axle, be provided with round grating, described round grating is positioned at the top of base for torque motor.
Further, described revolving sleeve lower end is provided with friction plate.
The beneficial effects of the utility model are:
The utility model rolls micro swivel and adopts the split type torque motor of high accuracy to carry out calibration, improve positioning precision, workbench centering and supporting adopt high-precision static pressure bearing and hydrostatic slideway combining structure, problem is adjusted in the gap that has solved centering hydrostatic bearing, the large-scale workbench static pressure face in the time being subject to cutting load and disturbing moment that solved is again pulled the problem that causes the vexed car of workbench, improves precision stage precision and stability.
Brief description of the drawings
Fig. 1 is the cutaway view of the utility model micro swivel;
Reference numeral: 1-workbench housing; 2-workbench axle; 3-turns round mandrel; 4-base for torque motor; 5-stator; 6-rotor; 7-revolving sleeve; 8-hydrostatic slideway; 9-hydrostatic bearing; 10-circle grating; 11-friction plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Be illustrated in figure 1 the cutaway view of the utility model micro swivel, a kind of micro swivel of the utility model, comprise workbench housing 1, workbench axle 2, the revolution mandrel 3 being fixedly connected with workbench axle 2, in described workbench housing 1, be fixedly connected with base for torque motor 4, described base for torque motor 4 is sleeved on revolution mandrel 3 and is provided with stator 5 and rotor 6 between the two, described stator 5 is fixedly installed on base for torque motor 1 inwall, described rotor 5 is fixedly connected on revolution mandrel 3 outsides, described revolution mandrel 3 bottoms are fixedly connected with revolving sleeve 7, described revolving sleeve 7 is sleeved on hydrostatic bearing 9, described revolving sleeve 7 bottoms are provided with hydrostatic slideway 8, described hydrostatic bearing 9 and hydrostatic slideway 8 are all fixed on workbench housing 1 bottom.
In the present embodiment, workbench is to adopt torque motor directly to drive, base for torque motor 4 and stator 5 connectors are fixedly mounted on workbench housing 1, rotor, revolution mandrel 3, revolving sleeve 7 and workbench axle 2 are connected and under motor effect, rotor drives revolution mandrel 3, revolving sleeve 7 is done gyration together with workbench axle 2, wherein revolving sleeve 7 belows have arc structure high accuracy closed hydrostatic slideway to support whole revolving body, the adjustable control of controlling thickness of guide rail oil membrane within the specific limits, on gyratory directions, also there is a high-precision static pressure bearing supporting simultaneously, its oil film thickness can regulate by pad, feel relieved and support by revolving body and adopt high-precision static pressure bearing and hydrostatic slideway combining structure, problem is adjusted in the gap that has solved centering hydrostatic bearing, the large-scale workbench static pressure face in the time being subject to cutting load and disturbing moment that solved is again pulled the problem that causes the vexed car of workbench, improve precision stage precision and stability.
Further, preferred described hydrostatic bearing 9 is set to the conical surface with revolving sleeve 8 contact-making surfaces, and structure is conducive to revolving body to have on gyratory directions a high-precision static pressure bearing supporting, improves workbench load, makes it can bear larger heeling moment.
Further, preferred described base for torque motor 4 upper ends are provided with ring flange I, described ring flange I be bolted to connection on workbench housing 1 inwall and the upper surface of ring flange I lower than the upper surface of workbench housing 1, between described base for torque motor 4 lower ends and revolution mandrel 3, be provided with shaft seal, preferred described revolution mandrel 4 upper ends are provided with ring flange II, described rotor 6 is bolted to connection on ring flange II lower surface, on described ring flange II upper surface, be also provided with the screwed hole of connecting working table axle 2, between preferred described base for torque motor 4 upper ends and workbench axle 2, be provided with shaft seal I, this structure is conducive to improve the security of torque motor, avoid electric leakage, leakage of oil, make Working table structure compactness.
Further, on preferred described workbench axle 2, be provided with round grating 10, described round grating is positioned at the top of base for torque motor, and the present embodiment is provided with a high accuracy circular grating on workbench axle, carries out closed-loop control.
Further, preferred described revolving sleeve 7 lower ends are provided with friction plate 11, and in the present embodiment, friction plate 11 can or start control by hydraulic control, reaches braking effect by the frictional force frictional force existing between friction plate 11 and revolving sleeve 7.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims limited range.
Claims (7)
1. a micro swivel, comprise workbench housing, workbench axle, the revolution mandrel being fixedly connected with workbench axle, it is characterized in that: in described workbench housing, be fixedly connected with base for torque motor, described base for torque motor is sleeved on revolution mandrel and is provided with stator and rotor between the two, described stator is fixedly installed on base for torque motor inwall, described rotor is fixedly connected on revolution mandrel outside, described revolution mandrel bottom is fixedly connected with revolving sleeve, described revolving sleeve is sleeved on hydrostatic bearing, described revolving sleeve bottom is provided with hydrostatic slideway, described hydrostatic bearing and hydrostatic slideway are all fixed on workbench housing bottom.
2. micro swivel as claimed in claim 1, is characterized in that: described hydrostatic bearing and revolving sleeve contact-making surface are set to the conical surface.
3. micro swivel as claimed in claim 1, it is characterized in that: described base for torque motor upper end is provided with ring flange I, described ring flange I be bolted to connection in workbench inner walls and the upper surface of ring flange I lower than the upper surface of workbench housing, between described base for torque motor lower end and revolution mandrel, be provided with shaft seal.
4. micro swivel as claimed in claim 3, it is characterized in that: described revolution mandrel upper end is provided with ring flange II, described rotor is bolted to connection on ring flange II lower surface, is also provided with the screwed hole of connecting working table axle on described ring flange II upper surface.
5. micro swivel as claimed in claim 4, is characterized in that: between described base for torque motor upper end and workbench axle, be provided with shaft seal I.
6. micro swivel as claimed in claim 1, is characterized in that: on described workbench axle, be provided with round grating, described round grating is positioned at the top of base for torque motor.
7. micro swivel as claimed in claim 1, is characterized in that: described revolving sleeve lower end is provided with friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004214.1U CN203636504U (en) | 2014-01-02 | 2014-01-02 | Precise rotary working table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004214.1U CN203636504U (en) | 2014-01-02 | 2014-01-02 | Precise rotary working table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636504U true CN203636504U (en) | 2014-06-11 |
Family
ID=50867783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420004214.1U Withdrawn - After Issue CN203636504U (en) | 2014-01-02 | 2014-01-02 | Precise rotary working table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636504U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692290A (en) * | 2014-01-02 | 2014-04-02 | 重庆机床(集团)有限责任公司 | Precise rotating table |
| CN105345491A (en) * | 2015-12-24 | 2016-02-24 | 浙江博雷重型机床制造有限公司 | Rotary working table |
| CN105382558A (en) * | 2015-12-24 | 2016-03-09 | 浙江博雷重型机床制造有限公司 | Integrated high-accuracy servo revolving platform |
| CN105414996A (en) * | 2015-12-24 | 2016-03-23 | 浙江博雷重型机床制造有限公司 | Vertical lathe |
| CN107378875A (en) * | 2017-08-29 | 2017-11-24 | 南京帝开电气自动化有限公司 | Rotary table |
-
2014
- 2014-01-02 CN CN201420004214.1U patent/CN203636504U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692290A (en) * | 2014-01-02 | 2014-04-02 | 重庆机床(集团)有限责任公司 | Precise rotating table |
| CN103692290B (en) * | 2014-01-02 | 2016-06-29 | 重庆机床(集团)有限责任公司 | Precision rotary working table |
| CN105345491A (en) * | 2015-12-24 | 2016-02-24 | 浙江博雷重型机床制造有限公司 | Rotary working table |
| CN105382558A (en) * | 2015-12-24 | 2016-03-09 | 浙江博雷重型机床制造有限公司 | Integrated high-accuracy servo revolving platform |
| CN105414996A (en) * | 2015-12-24 | 2016-03-23 | 浙江博雷重型机床制造有限公司 | Vertical lathe |
| CN107378875A (en) * | 2017-08-29 | 2017-11-24 | 南京帝开电气自动化有限公司 | Rotary table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |