CN104858673A - Bearing structure of turntable by adopting torque with high rotation speed and great load-carrying capacity - Google Patents
Bearing structure of turntable by adopting torque with high rotation speed and great load-carrying capacity Download PDFInfo
- Publication number
- CN104858673A CN104858673A CN201510230109.9A CN201510230109A CN104858673A CN 104858673 A CN104858673 A CN 104858673A CN 201510230109 A CN201510230109 A CN 201510230109A CN 104858673 A CN104858673 A CN 104858673A
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- Prior art keywords
- bearing
- rotating speed
- high rotating
- shaft bearing
- speed according
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a bearing structure of a turntable by adopting torque with high rotation speed and great load-carrying capacity. The bearing structure comprises a table surface and a main shaft driving the table surface to rotate. At least two shifts of bearing supports are arranged on the main shaft and respectively comprise an upper-shift bearing support and a lower-shift bearing support. The upper-shift bearing support comprises a main bearing. An inner ring of the main bearing is locked by a locking part for positioning and an outer ring of the main bearing is locked by means of a gland. The lower-shift bearing support comprises an auxiliary bearing. An inner ring of the auxiliary bearing is locked by a locking part for positioning and an outer ring of the auxiliary bearing is in a free state. By adoption of the above mode, the bearing structure of the turntable by adopting torque with high rotation speed and great load-carrying capacity has following beneficial effects: after being applied to a 4th turntable, the turntable has characteristics of high rotation speed and great load-carrying capacity; and due to high rotation speed, machined parts have degrees of finish and high machining efficiency is obtained.
Description
Technical field
The present invention relates to turn-milling cutting field, particularly relate to a kind of rotating speed and heavily carry the special bearing arrangement of moment turntable up to the high rotating speed of 2500r/min.
Background technology
Existing motor drives turntable to be low speed torque motor and drives turntable, low speed torque motor is adopted directly to drive turntable to rotate, adopt special turret supports bearings, angle measurement unit directly synthesizes on special turntable bearing, there is bearing capacity strong (maximum carrying 120Kg), fast response time, dynamic rate be good, gap is little, can the feature of continuous division, but rotating speed is lower, maximum speed is generally at 300 ~ 400 r/min, because rotating speed is low, when being applied to turning-milling complex processing, part to be processed fineness is low, and working (machining) efficiency is low.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of maximum speed and reaches 2500r/min, possesses stronger bearing capacity height rotating speed simultaneously and heavily carries moment turntable shaft bearing structure.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of high rotating speed heavily to carry moment turntable shaft bearing structure, comprise: table top and the axle driving table top to rotate, described main shaft is provided with at least 2 grades of bearings, is respectively perform bearings and lower gear bearings; The bearings that performs comprises base bearing, and described base bearing inner ring carries out locking positioning by locking member, and outer ring is locked by gland, and lower gear bearings comprises supplementary bearing, and described supplementary bearing inner ring carries out locking positioning by locking member, and outer ring is free state.
In a preferred embodiment of the present invention, described main shaft is connected to form by screw and pin by transition axis and counter flange.
In a preferred embodiment of the present invention, transition axis passes in the middle of base bearing, fits, and lock onto on transition axis by base bearing by locking nut with base bearing inner ring upper surface.
In a preferred embodiment of the present invention, described gland offers spilled water hole, revolution draining structure and be assemblied in the sealing ring of gland outer ring, form labyrinth seal between the structure of sealing ring and spilled water hole, revolution draining and table top.
In a preferred embodiment of the present invention, counter flange passes in the middle of supplementary bearing, fits, and lock onto on counter flange by supplementary bearing by locking nut with the inner ring upper surface of supplementary bearing.
In a preferred embodiment of the present invention, described base bearing is installed in bearing holder (housing, cover), and described bearing holder (housing, cover) outer ring is provided with bosh.
In a preferred embodiment of the present invention, described bearing holder (housing, cover) is assemblied on clutch shaft bearing seat, and described supplementary bearing and counter flange are assemblied on the second bearing block, are provided with turret base between clutch shaft bearing seat and the second bearing block.
In a preferred embodiment of the present invention, clutch shaft bearing seat, the second bearing block and turret base are equipped with bosh, and form recirculated water cooling route with the bosh on bearing holder (housing, cover).
In a preferred embodiment of the present invention, described base bearing outer ring is also provided with temperature sensor.
The invention has the beneficial effects as follows: height rotating speed of the present invention heavily carries after moment turntable shaft bearing structure is applied to the 4th axle turntable and turntable can be made to possess the feature of high rotating speed, high-mechanic, and because rotating speed is high, part to be processed is highly polished, and working (machining) efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation that height rotating speed of the present invention heavily carries the preferred embodiment of moment turntable shaft bearing structure one;
Fig. 2 is the partial structurtes schematic diagram that high rotating speed shown in Fig. 1 heavily carries moment turntable shaft bearing structure;
In accompanying drawing, the mark of each parts is as follows: 1, table top, and 3, base bearing, 4, transition axis, 5, locking nut, 6, O RunddichtringO, 7, supplementary bearing, 8, counter flange, 9, recirculated water cooling route, 10, temperature sensor, 11, gland, 12, clutch shaft bearing seat, 13, the second bearing block, 14, turret base, 15, bearing holder (housing, cover).
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention comprises:
A kind of high rotating speed heavily carries moment turntable shaft bearing structure, comprising: table top 1 and the main shaft driving table top 1 to rotate, in order to make the rotating speed of turntable up to 2500r/min, described main shaft is provided with at least 2 grades of bearings.Be respectively perform bearings and lower gear bearings.
Wherein, described main shaft is connected to form by screw and pin by transition axis 4 and counter flange 8, is conducive to the rigidity improving this structure.
The bearings that performs comprises base bearing 3, and transition axis 4 passes in the middle of base bearing 3, fits, and lock onto on transition axis 4 by base bearing 3 by locking nut 5 with base bearing 3 inner ring upper surface.
Outer ring is locked by gland 11, described gland 11 offers spilled water hole, revolution draining structure and be assemblied between O RunddichtringO 6, the O RunddichtringO 6 of gland 11 outer ring and spilled water hole, the structure of revolution draining and table top 1 and form labyrinth seal; Ensure that adding the cooling water entered man-hour wherein can discharge smoothly when turntable rotary work, thus protection bearing.
Lower gear bearings comprises supplementary bearing 7, is preferably deep groove ball bearing.Deep groove ball bearing Main Function is the rigidity strengthening this structure.
Described counter flange 8 passes in the middle of supplementary bearing 7, fits, and lock onto on counter flange 8 by supplementary bearing 7 by locking nut 5 with the inner ring upper surface of supplementary bearing 7.
Outer ring is free state, is heated and can freely extends downwards.
In addition, described base bearing 3 is installed in bearing holder (housing, cover), and described bearing holder (housing, cover) outer ring is provided with bosh.
Described bearing holder (housing, cover) is assemblied on clutch shaft bearing seat 12, and described supplementary bearing 7 and counter flange 8 are assemblied on the second bearing block 13, is provided with turret base 14 between clutch shaft bearing seat 12 and the second bearing block 13.
Clutch shaft bearing seat 12, second bearing block 13 and turret base 14 are equipped with bosh, and form recirculated water cooling route 9 with the bosh on bearing holder (housing, cover).Recirculated water cooling route 9 is overheated in can preventing bearing from running up, protection bearing.
Described base bearing 3 outer ring is also provided with temperature sensor 10.For temperature feedback and thermal distortion compensation being carried out to main spring bearing place, thus ensure machining accuracy.
Height rotating speed of the present invention heavily carries moment turntable shaft bearing structure to be possessed and high-revolvingly possesses the strong feature of bearing capacity simultaneously, and after being applied to the 4th axle turntable, because rotating speed is high, part to be processed is highly polished, and working (machining) efficiency is high.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. high rotating speed heavily carries a moment turntable shaft bearing structure, it is characterized in that, comprising: table top and the main shaft driving table top to rotate, and described main shaft is provided with at least 2 grades of bearings, is respectively perform bearings and lower gear bearings; The bearings that performs comprises base bearing, and described base bearing inner ring carries out locking positioning by locking member, and outer ring is locked by gland, and lower gear bearings comprises supplementary bearing, and described supplementary bearing inner ring carries out locking positioning by locking member, and outer ring is free state.
2. high rotating speed according to claim 1 heavily carries moment turntable shaft bearing structure, it is characterized in that, described main shaft is connected to form by screw and pin by transition axis and counter flange.
3. high rotating speed according to claim 2 heavily carries moment turntable shaft bearing structure, it is characterized in that, transition axis passes in the middle of base bearing, fits, and lock onto on transition axis by base bearing by locking nut with base bearing inner ring upper surface.
4. high rotating speed according to claim 1 heavily carries moment turntable shaft bearing structure, it is characterized in that, described gland offers spilled water hole, revolution draining structure and be assemblied in the sealing ring of gland outer ring, form labyrinth seal between the structure of sealing ring and spilled water hole, revolution draining and table top.
5. high rotating speed according to claim 2 heavily carries moment turntable shaft bearing structure, it is characterized in that, counter flange passes in the middle of supplementary bearing, fits, and lock onto on counter flange by supplementary bearing by locking nut with the inner ring upper surface of supplementary bearing.
6. high rotating speed according to claim 3 heavily carries moment turntable shaft bearing structure, it is characterized in that, described base bearing is installed in bearing holder (housing, cover), and described bearing holder (housing, cover) outer ring is provided with bosh.
7. high rotating speed according to claim 6 heavily carries moment turntable shaft bearing structure, it is characterized in that, described bearing holder (housing, cover) is assemblied on clutch shaft bearing seat, and described supplementary bearing and counter flange are assemblied on the second bearing block, are provided with turret base between clutch shaft bearing seat and the second bearing block.
8. high rotating speed according to claim 7 heavily carries moment turntable shaft bearing structure, it is characterized in that, clutch shaft bearing seat, the second bearing block and turret base is equipped with bosh, and forms recirculated water cooling route with the bosh on bearing holder (housing, cover).
9. high rotating speed according to claim 1 heavily carries moment turntable shaft bearing structure, it is characterized in that, described base bearing outer ring is also provided with temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230109.9A CN104858673B (en) | 2015-05-08 | 2015-05-08 | High rotating speed carries torque turntable bearing arrangement again |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230109.9A CN104858673B (en) | 2015-05-08 | 2015-05-08 | High rotating speed carries torque turntable bearing arrangement again |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104858673A true CN104858673A (en) | 2015-08-26 |
| CN104858673B CN104858673B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510230109.9A Active CN104858673B (en) | 2015-05-08 | 2015-05-08 | High rotating speed carries torque turntable bearing arrangement again |
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| CN (1) | CN104858673B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352598A (en) * | 2018-10-17 | 2019-02-19 | 成都信息工程大学 | A kind of high accuracy experiment turntable |
| CN114728387A (en) * | 2019-11-20 | 2022-07-08 | 山崎马扎克公司 | Table rotating device and machine tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239440A (en) * | 2007-11-29 | 2008-08-13 | 中国工程物理研究院机械制造工艺研究所 | Liquid dipping numerical control turning table |
| CN101480778A (en) * | 2009-01-24 | 2009-07-15 | 苏州江南电梯(集团)有限公司 | Direct driving type accurate turn plate |
| CN101554709A (en) * | 2009-05-11 | 2009-10-14 | 清华大学 | Motor built-in polishing machine turntable |
| CN201349156Y (en) * | 2009-01-24 | 2009-11-18 | 苏州江南电梯(集团)有限公司 | Double bearing torque motor |
| CN101596681A (en) * | 2009-07-03 | 2009-12-09 | 东华大学 | The high-precision rotary working-table that torque motor drives |
| CN101954596A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Numerical-control direct-drive turning-milling composite rotary working table |
| US20120217691A1 (en) * | 2008-11-19 | 2012-08-30 | Tsudakoma Kogyo Kabushiki Kaisha | Clamping device in main shaft driving device for machine tool |
| CN204639629U (en) * | 2015-05-08 | 2015-09-16 | 江苏新瑞重工科技有限公司 | High rotating speed heavily carries moment turntable shaft bearing structure |
-
2015
- 2015-05-08 CN CN201510230109.9A patent/CN104858673B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239440A (en) * | 2007-11-29 | 2008-08-13 | 中国工程物理研究院机械制造工艺研究所 | Liquid dipping numerical control turning table |
| US20120217691A1 (en) * | 2008-11-19 | 2012-08-30 | Tsudakoma Kogyo Kabushiki Kaisha | Clamping device in main shaft driving device for machine tool |
| CN101480778A (en) * | 2009-01-24 | 2009-07-15 | 苏州江南电梯(集团)有限公司 | Direct driving type accurate turn plate |
| CN201349156Y (en) * | 2009-01-24 | 2009-11-18 | 苏州江南电梯(集团)有限公司 | Double bearing torque motor |
| CN101554709A (en) * | 2009-05-11 | 2009-10-14 | 清华大学 | Motor built-in polishing machine turntable |
| CN101596681A (en) * | 2009-07-03 | 2009-12-09 | 东华大学 | The high-precision rotary working-table that torque motor drives |
| CN101954596A (en) * | 2010-10-11 | 2011-01-26 | 烟台环球机床附件集团有限公司 | Numerical-control direct-drive turning-milling composite rotary working table |
| CN204639629U (en) * | 2015-05-08 | 2015-09-16 | 江苏新瑞重工科技有限公司 | High rotating speed heavily carries moment turntable shaft bearing structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352598A (en) * | 2018-10-17 | 2019-02-19 | 成都信息工程大学 | A kind of high accuracy experiment turntable |
| CN114728387A (en) * | 2019-11-20 | 2022-07-08 | 山崎马扎克公司 | Table rotating device and machine tool |
| CN114728387B (en) * | 2019-11-20 | 2023-06-09 | 山崎马扎克公司 | Workbench rotating device and machine tool |
| US11940086B2 (en) | 2019-11-20 | 2024-03-26 | Yamazaki Mazak Corporation | Table rotation device and machine tool |
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| Publication number | Publication date |
|---|---|
| CN104858673B (en) | 2017-09-12 |
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