CN201078557Y - Guide rail self-driving type circular turntable of three surfaces static pressure enclosing type - Google Patents
Guide rail self-driving type circular turntable of three surfaces static pressure enclosing type Download PDFInfo
- Publication number
- CN201078557Y CN201078557Y CNU2007201734760U CN200720173476U CN201078557Y CN 201078557 Y CN201078557 Y CN 201078557Y CN U2007201734760 U CNU2007201734760 U CN U2007201734760U CN 200720173476 U CN200720173476 U CN 200720173476U CN 201078557 Y CN201078557 Y CN 201078557Y
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- Prior art keywords
- platform
- static pressure
- supporting mass
- self
- closed type
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Abstract
The utility model relates to a circular turntable with a self-drive closed three-plane hydrostatic guide way, which is composed of a base, a bearing body, a turn table and a motor. The base is a platform attached with holes at center, which is fixed and provided with the bearing body at upper section; the bearing body is a cylinder with through holes opened at center and a lug boss positioned on external surface outside; the lug boss of the bearing body is provided with one turn table matching with the lug boss; the internal surface of the turn table, the upper, lower and external surface of the lug boss of the bearing body and the external orb are fitted; a principal axis is arranged at center of the internal surface at top of the turn table; a hydrostatic oil cavity is positioned on the fitting surface of the bearing body and the turn table to form the hydrostatic guide way. The utility model has the advantages of small friction resistance, high precision, good rigid and large bearing capacity.
Description
Technical field
The utility model relates to a kind of circular turntable, is specifically related to a kind of self-driving round rotating platform of three-surface static pressure closed type guiding rail.
Background technique
Traverse platform in traditional circular turntable adopts the guide rail of slip to do axially support more, the employing axis of rolling is made radially, axially support, this supporting way all makes circular turntable be difficult to obtain very high kinematic accuracy owing to be subjected to the influence of the precision and the accuracy of manufacturing of rolling bearing.Also there are many problems in domestic manufacturing and import for high-precision bearing now, influenced the precision of large-size workpiece to a great extent, and this has become a current problem that needs to be resolved hurrily.
The model utility content
The purpose of this utility model is to improve the shortcoming of prior art, and a kind of self-driving round rotating platform of three-surface static pressure closed type guiding rail is provided, and this turntable surface friction drag is little, precision is high, good rigidly, bearing capacity are big.
For achieving the above object, the utility model is by the following technical solutions:
It is made up of base, supporting mass, traverse platform and motor,
Described base is a platform that the centre is with holes, and its top is fixed with supporting mass, and described supporting mass is that a center has the cylindrical body that through hole, outer surface of upper are provided with boss;
The boss of described supporting mass is provided with a traverse platform that matches, and the internal surface of described traverse platform cooperates with three of the upper and lower and peripheries of the outer surface of supporting mass boss, and this traverse platform top inner surface center is provided with a main shaft;
The fitting surface of described supporting mass and traverse platform is provided with the static pressure oil pocket and forms hydrostatic slideway.
Axial restraint is provided with a motor in the described supporting mass central through bore, and the stator of described motor is installed on the supporting mass inwall, and rotor is fixedlyed connected with the main shaft of described traverse platform.
The main shaft of described traverse platform also can or direct transfer by the off-load belt pulley and be connected with external motor.
Described base bottom connects the off-load belt pulley by a support fixation, the fixedly connected land in off-load belt pulley bottom, and described land is fixedlyed connected with main shaft.
Be provided with the sensor of control position precision between the hole on described traverse platform main shaft and the base, the sensor rotating part is connected with the traverse platform main shaft, and the sensor element is fixedly installed on the inwall of base aperture.
Described base be provided with the static pressure oil pocket form hydrostatic slideway into and out of oilhole.
Center, described traverse platform upper-end surface is provided with a mohs tapered bore.
Described base lower central is provided with an annular groove.
The utility model compared with prior art has the following advantages:
1) traverse platform of sealing is set in the utility model on the upper and lower and periphery of the outer surface of supporting mass boss, good rigidly is spacing good; The upper and lower end face of traverse platform and the loaded area of cylindrical are big, and bearing capacity is strong; The fitting surface of traverse platform and supporting mass is provided with the hydrostatic slideway structure, makes that the surface friction drag between supporting mass and traverse platform levels off to zero, and surface friction drag is little, so transmission accuracy improves greatly.
2) but the utility model built-in motor, compact structure, volume reduces, and can constitute independent functional part, rotor and traverse platform are fixedly linked, and drive power and directly export to turntable, kinetic equation loss is few, the rotating speed height; Be suitable for accuracy detection, numerical control machine tool, numerical control machining center, accurate vertical lathe, accurate angular detection etc.
3) the utility model can or direct transfer electric machine external by the off-load belt pulley, can use common electric machine, and Placement is simple, and cost is low, and is easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model electric machine built-in;
Fig. 2 is the structural representation of the utility model electric machine external.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the self-driving round rotating platform of three-surface static pressure closed type guiding rail of the described a kind of electric machine built-in of present embodiment, it is made up of base 1, supporting mass 2, traverse platform 3 and motor 5, described base 1 is a platform that the centre is with holes, its top is set with supporting mass 2, and described supporting mass 2 is that a center has the cylindrical body that ladder hole, outer surface of upper are provided with boss; That seals on the boss of described supporting mass 2 is provided with a traverse platform that matches 3, and described traverse platform cooperates with three of the upper and lower and peripheries of the outer surface of supporting mass boss, and these traverse platform 3 top inner surface centers are provided with a main shaft 31; Described supporting mass 2 is provided with the static pressure oil pocket and forms hydrostatic slideway 4; Axial restraint is provided with a motor 5 in the ladder hole of described supporting mass 2, and the stator 51 of described motor 5 is installed on supporting mass 2 inwalls, and rotor 52 is fixedlyed connected with the main shaft 31 of described traverse platform.Described base 1 be provided with the static pressure oil pocket form hydrostatic slideway into and out of oilhole 13.Described base 1 lower central is provided with an annular groove 12, makes base more steady.Center, described traverse platform 3 upper-end surface is provided with a mohs tapered bore 7, can be in order to insert test bar.
Be provided with the sensor 6 of control position precision between the mesopore 11 of described traverse platform main shaft 31 and base, sensor rotating part 61 is connected with traverse platform main shaft 31, and sensor element 62 is fixedly installed on the inwall of base aperture 11.
As shown in Figure 2, be with embodiment 1 difference, present embodiment is described to be a kind of self-driving round rotating platform of three-surface static pressure closed type guiding rail of the external motor that drives by the off-load belt pulley, 81 fixedly connected off-load belt pulleys 8 are supported by an off-load belt pulley in described base 1 bottom, motor 5 ' is external to be connected with off-load belt pulley 8, the fixedly connected land 9 in described off-load belt pulley 8 bottoms, tie-plate 9 usefulness pins and elastic sleeve connect a land 10, and land 10 is fixedlyed connected with main shaft 31.So, motor 5 ' drives main shaft 31 rotations by off-load belt pulley 8.This connection form can not established the sensor of control position precision.
Claims (8)
1. a self-driving round rotating platform of three-surface static pressure closed type guiding rail is characterized in that, it is made up of base, supporting mass, traverse platform and motor,
Described base is a platform that the centre is with holes, and its top is fixed with supporting mass, and described supporting mass is that a center has the cylindrical body that through hole, outer surface of upper are provided with boss;
The boss of described supporting mass is provided with a traverse platform that matches, and the internal surface of described traverse platform cooperates with three of the upper and lower and peripheries of the outer surface of supporting mass boss, and this traverse platform top inner surface center is provided with a main shaft;
The fitting surface of described supporting mass and traverse platform is provided with the static pressure oil pocket and forms hydrostatic slideway.
2. self-driving round rotating platform of three-surface static pressure closed type guiding rail according to claim 1, it is characterized in that, axial restraint is provided with a motor in the described supporting mass central through bore, and the stator of described motor is installed on the supporting mass inwall, and rotor is fixedlyed connected with the main shaft of described traverse platform.
3. self-driving round rotating platform of three-surface static pressure closed type guiding rail according to claim 1 is characterized in that, the main shaft of described traverse platform is by the off-load belt pulley or direct transfer and be connected with external motor.
4. according to claim 1 or 3 described self-driving round rotating platform of three-surface static pressure closed type guiding rail, it is characterized in that, described base bottom connects the off-load belt pulley by a support fixation, the fixedly connected land in off-load belt pulley bottom, and described land is fixedlyed connected with main shaft.
5. according to claim 1,2 or 3 described self-driving round rotating platform of three-surface static pressure closed type guiding rail, it is characterized in that, be provided with the sensor of control position precision between the hole on described traverse platform main shaft and the base, the sensor rotating part is connected with the traverse platform main shaft, and the sensor element is fixedly installed on the inwall of base aperture.
6. self-driving round rotating platform of three-surface static pressure closed type guiding rail according to claim 1 is characterized in that, described base be provided with the static pressure oil pocket form hydrostatic slideway into and out of oilhole.
7. self-driving round rotating platform of three-surface static pressure closed type guiding rail according to claim 1 is characterized in that, center, described traverse platform upper-end surface is provided with a mohs tapered bore.
8. self-driving round rotating platform of three-surface static pressure closed type guiding rail according to claim 1 is characterized in that, described base lower central is provided with an annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201734760U CN201078557Y (en) | 2007-09-29 | 2007-09-29 | Guide rail self-driving type circular turntable of three surfaces static pressure enclosing type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201734760U CN201078557Y (en) | 2007-09-29 | 2007-09-29 | Guide rail self-driving type circular turntable of three surfaces static pressure enclosing type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078557Y true CN201078557Y (en) | 2008-06-25 |
Family
ID=39570619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201734760U Expired - Lifetime CN201078557Y (en) | 2007-09-29 | 2007-09-29 | Guide rail self-driving type circular turntable of three surfaces static pressure enclosing type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078557Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398119B (en) * | 2007-09-29 | 2011-02-16 | 李颖仲 | Self-driving round rotating platform of three-surface static pressure closed type guiding rail |
| CN102990372A (en) * | 2012-12-04 | 2013-03-27 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN103292975A (en) * | 2013-06-01 | 2013-09-11 | 北京工业大学 | Flow field observing device for oil cavity |
-
2007
- 2007-09-29 CN CNU2007201734760U patent/CN201078557Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398119B (en) * | 2007-09-29 | 2011-02-16 | 李颖仲 | Self-driving round rotating platform of three-surface static pressure closed type guiding rail |
| CN102990372A (en) * | 2012-12-04 | 2013-03-27 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN102990372B (en) * | 2012-12-04 | 2014-12-17 | 齐重数控装备股份有限公司 | Operating platform of numerical control heavy-duty type milling lathe |
| CN103292975A (en) * | 2013-06-01 | 2013-09-11 | 北京工业大学 | Flow field observing device for oil cavity |
| CN103292975B (en) * | 2013-06-01 | 2016-04-27 | 北京工业大学 | Oil pocket flow observation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Orient Precision Machinery Equipment Co., Ltd. Assignor: Li Yingzhong Contract fulfillment period: 2009.11.1 to 2014.10.31 Contract record no.: 2009110000290 Denomination of utility model: Self-driving round rotating platform of three-surface static pressure closed type guiding rail Granted publication date: 20080625 License type: Exclusive license Record date: 20091111 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.11.1 TO 2014.10.31; CHANGE OF CONTRACT Name of requester: BEIJING DONGFANG JINGYI MACHINE EQUIPMENT CO., LTD Effective date: 20091111 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080625 Effective date of abandoning: 20070929 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080625 Effective date of abandoning: 20070929 |