CN102029528A - Compound turntable based on closed type static pressure technology - Google Patents
Compound turntable based on closed type static pressure technology Download PDFInfo
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- CN102029528A CN102029528A CN 201010539288 CN201010539288A CN102029528A CN 102029528 A CN102029528 A CN 102029528A CN 201010539288 CN201010539288 CN 201010539288 CN 201010539288 A CN201010539288 A CN 201010539288A CN 102029528 A CN102029528 A CN 102029528A
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- turntable
- panoramic table
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Abstract
The invention discloses a compound turntable based on a closed type static pressure technology, which comprises a bracket, a U-shaped connecting part and at least two turntables, wherein a base of a first turntable in the compound turntable is horizontally and fixedly mounted on the inner surface at the lower part of the U-shaped connecting part, a base of a second turntable is fixedly mounted on one end of the bracket, and an included angle of 90 degrees is formed between the turntable surface of the first turntable and the turntable surface of the second turntable; and one of two side walls of the U-shaped connecting part is fixedly connected with the turntable surface of the second turntable, and the other side wall of the U-shaped connecting part is rotatablely connected with the other end of the bracket. The compound turntable has the advantages of less friction resistance, high precision, favorable rigidity and high supporting capacity, can continuously make rotations of 360 degrees around the vertical axis and can make rotations of +/-180 degrees around the horizontal axis, thereby being suitable for machining various components having spatial curved surfaces.
Description
Technical field
The present invention relates to a kind of lathe of being convenient to mechanical part is carried out three-dimensional processing, particularly a kind of compound turntable that adopts the closed type static pressure technology.
Background technology
Existing compound turntable generally adopts rolling element to do floating bearing, and its shortcoming is: 1. the turntable rotating accuracy is subjected to the restriction of rolling element bearing precision, is difficult to bring up to micron order; 2. if the bearing clearance is big, then vibrations are big in the turntable use, and machining accuracy is difficult to guarantee; If the bearing clearance is little, even be negative clearance, then the wearing and tearing of turntable use middle (center) bearing are big, the very fast forfeiture of machining accuracy; 3. rolling element is done floating bearing because its diameter is big, complex structure, precision height, produced by specialized factory, so cost is very high.
(patent No.: 200710175377.0) provide a kind of self-driving round rotating platform of three-surface static pressure closed type guiding rail, this turntable frictional resistance is little, precision is high, good rigidly, bearing capacity are big for Chinese patent " self-driving round rotating platform of three-surface static pressure closed type guiding rail " for this reason; Its technical scheme is: self-driving round rotating platform of three-surface static pressure closed type guiding rail is made up of base, supporting mass, panoramic table and motor; Base is a platform that the centre is with holes, and its top is fixed with supporting mass, and supporting mass is that a center has the cylinder that through hole, outer surface of upper are provided with boss; The boss of supporting mass is provided with a panoramic table that matches, and the inner surface of panoramic table cooperates with three of the upper and lower and peripheries of the outer surface of supporting mass boss, and this panoramic table top inner surface center is provided with a main shaft; The mating surface of described supporting mass and panoramic table is provided with the static pressure oil pocket and forms hydrostatic slideway; Axial restraint is provided with a motor in the supporting mass central through hole, and the stator of motor is installed on the supporting mass inwall, and rotor is fixedlyed connected with the main shaft of described panoramic table.
But there is following defective in technique scheme, described " self-driving round rotating platform of three-surface static pressure closed type guiding rail " can only make the part of required processing do the revolution processing continuously of 360 degree around vertical axis in machining, and this circular turntable is not suitable for processing the various parts that have space curved surface.
Summary of the invention
The objective of the invention is to improve the defective of prior art, and provide a kind of compound turntable that adopts the closed type static pressure technology, this compound turntable frictional resistance is little, the precision height, good rigidly, bearing capacity is big, can do the revolution continuously of 360 degree around vertical axis, can do around horizontal axis again ± 180 degree rotations, be fit to the various parts that have space curved surface of processing.
For achieving the above object, the present invention adopts following technical proposals:
A kind of compound turntable that adopts the closed type static pressure technology, it comprises support, U type connector and at least two turntables; Described turntable is made up of base, supporting mass, panoramic table and motor, and described base top is fixed with supporting mass, and described supporting mass is provided with a panoramic table that matches, and this panoramic table top inner surface center is provided with a main shaft;
Described motor is axially fixed in the supporting mass, and the rotor of its motor is fixedlyed connected with the main shaft of described panoramic table;
The base horizontal fixed of first turntable is installed on the inner surface of described U type connector bottom in the described turntable, the base of second turntable is fixedly mounted on described support one end, and the panoramic table table top of described first turntable becomes 90 ° of angles with the panoramic table table top of described second turntable; A wherein sidewall of described U type connector two side and the panoramic table table top of described second turntable are fixed together, and another sidewall is rotatably connected to the described support other end.
Further, described a kind of compound turntable of closed type static pressure technology that adopts also includes one the 3rd turntable, a wherein sidewall of described U type connector two side is fixedly mounted on the panoramic table table top of described second turntable, another sidewall is fixedly mounted on the described support by described the 3rd turntable, this sidewall is fixedly mounted on the panoramic table table top of described the 3rd turntable, the base of described the 3rd turntable is fixedly mounted on the described support other end, the panoramic table table top of described the 3rd turntable and coupling corresponding with the panoramic table table top of described second turntable.
Further, described base is a platform that the centre is with holes, and described supporting mass is that a center has the cylinder that through hole, outer surface of upper are provided with boss; The inner surface of described panoramic table cooperates with three of the upper and lower and peripheries of supporting mass boss outer surface, and the mating surface of described supporting mass and panoramic table is provided with the static pressure oil pocket and forms hydrostatic slideway;
Described motor is installed on the inwall of described supporter central through hole by its stator shaft orientation.
Further, be provided with the sensor of control position precision on described panoramic table main shaft and the base between the set hole, the sensor rotating part is connected with the panoramic table main shaft, and the sensor detecting element is fixedly installed on the inwall of base aperture.
Further, described base be provided with hydrostatic slideway that the static pressure oil pocket forms into and out of oilhole.
Further, center, described panoramic table upper surface is provided with a mohs tapered bore, can be in order to insert test bar.
The present invention compares with existing product, has following actively useful effect:
1, product of the present invention can constitute 5-axis machining center with the machining center lathe, being particularly suitable for manufacturings such as Aeronautics and Astronautics, automobile, boats and ships uses, this compound turntable can be done the revolution continuously of 360 degree around vertical axis, can do around horizontal axis again ± 180 degree rotations, be suitable for processing the various space curved surface parts that have such as solid propeller, impeller.
2, in this compound turntable running, there is not mechanical friction, not wearing and tearing, precision stability is good.
3, owing to there is not mechanical friction, so coefficient of friction is minimum, and staring torque is little, and dynamic response characteristic is good, the calibration accurate positioning.
4, all part is processed voluntarily, and difficulty of processing is low, and cost is low.
5, compound turntable rotating accuracy height is easy to obtain micron order, ultra micro meter accuracy.
6, the oil pocket of sealing is set on the upper and lower and periphery of the outer surface of supporting mass boss in the turntable of the present invention, good rigidly is spacing good; The upper and lower end face of each turntable and the loaded area of cylindrical are big, and bearing capacity is strong; The mating surface of turntable and supporting mass is provided with the hydrostatic slideway structure, makes that the frictional resistance between supporting mass and panoramic table levels off to zero, and frictional resistance is little, so transmission accuracy improves greatly.
7, in the intermediate station of the present invention motor is set, compact conformation, volume reduces, and can constitute independent functional part, and rotor and turntable are fixedly linked, and drive power and directly export to turntable, and kinetic equation loss is few, the rotating speed height; Be suitable for accuracy detection, Digit Control Machine Tool, numerical control machining center, accurate vertical lathe, accurate angle detection etc.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 1 intermediate station.
Fig. 3 is the overall structure schematic diagram of the embodiment of the invention 2.
The specific embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
Embodiment 1:
As shown in Figure 1, 2, a kind of compound turntable that adopts the closed type static pressure technology, it comprises support 1, U type connector 2 and two turntables 3.
Described turntable 3 is made up of base 4, supporting mass 5, panoramic table 6 and motor 7, and base 4 tops are fixed with supporting mass 5, and supporting mass 5 is provided with a panoramic table that matches 6, and these panoramic table 6 top inner surface centers are provided with a main shaft 8; Base 4 is the platforms that the centre is with holes, and supporting mass 5 is that a center has the cylinder that ladder hole, outer surface of upper are provided with boss; The inner surface of panoramic table 6 cooperates with three of the upper and lower and peripheries of supporting mass 5 boss outer surfaces, the mating surface of supporting mass 5 and panoramic table 6 is provided with the static pressure oil pocket and forms hydrostatic slideway 9, base 4 be provided with hydrostatic slideway that the static pressure oil pocket forms into and out of oilhole 13.
Described motor 7 is axially fixed in the supporting mass 5, and axially is installed in by its stator 72 on the inwall of described supporter 5 central through holes, and the rotor 71 of this motor 7 is fixedlyed connected with the main shaft 8 of described panoramic table 6.
Be provided with the sensor 10 of control position precision on panoramic table main shaft 8 and the base 4 between the set hole 40, sensor rotating part 101 is connected with panoramic table main shaft 8, and sensor detecting element 102 is fixedly installed on the inwall of base aperture 40.
Center, described panoramic table 6 upper surface is provided with a mohs tapered bore 14, can be in order to insert test bar.
Embodiment 2:
The difference of present embodiment and embodiment 1 is: as shown in Figure 3, described a kind of compound turntable of closed type static pressure technology that adopts also includes one the 3rd turntable 33, a wherein sidewall 21 of U type connector 2 two sides is fixedly mounted on panoramic table 62 table tops of described second turntable 32, another sidewall 22 is fixedly mounted on the described support 1 by described the 3rd turntable 33, this sidewall 22 is fixedly mounted on panoramic table 63 table tops of described the 3rd turntable 33, the base 43 of described the 3rd turntable 33 is fixedly mounted on the described support other end 12, panoramic table 63 table tops of described the 3rd turntable 33 and coupling corresponding with panoramic table 62 table tops of described second turntable 32.
In sum, embodiment of the present invention only provides a kind of embodiment of the best, technology contents of the present invention and technical characterstic disclose as above, yet the personage who is familiar with this technology still may do various replacement and the modifications that do not deviate from creation spirit of the present invention based on disclosed content; Therefore, protection scope of the present invention is not limited to the technology contents that embodiment discloses, so all equivalences of doing according to shape of the present invention, structure and principle change, all is encompassed in protection scope of the present invention.
Claims (5)
1. compound turntable that adopts the closed type static pressure technology, it is characterized in that: it comprises support, U type connector and at least two turntables; Described turntable is made up of base, supporting mass, panoramic table and motor, and described base top is fixed with supporting mass, and described supporting mass is provided with a panoramic table that matches, and this panoramic table top inner surface center is provided with a main shaft; Described motor is axially fixed in the supporting mass, and the rotor of its motor is fixedlyed connected with the main shaft of described panoramic table;
The base horizontal fixed of first turntable is installed on the inner surface of described U type connector bottom in the described turntable, the base of second turntable is fixedly mounted on described support one end, and the panoramic table table top of described first turntable becomes 90 ° of angles with the panoramic table table top of described second turntable; A wherein sidewall of described U type connector two side and the panoramic table table top of described second turntable are fixed together, and another sidewall is rotatably connected to the described support other end.
2. a kind of compound turntable that adopts the closed type static pressure technology according to claim 1, it is characterized in that: described a kind of compound turntable of closed type static pressure technology that adopts also includes one the 3rd turntable, a wherein sidewall of described U type connector two side is fixedly mounted on the panoramic table table top of described second turntable, another sidewall is fixedly mounted on the described support by described the 3rd turntable, this sidewall is fixedly mounted on the panoramic table table top of described the 3rd turntable, the base of described the 3rd turntable is fixedly mounted on the described support other end, the panoramic table table top of described the 3rd turntable and coupling corresponding with the panoramic table table top of described second turntable.
3. a kind of compound turntable that adopts the closed type static pressure technology according to claim 1 and 2 is characterized in that: described base is a platform that the centre is with holes, and described supporting mass is that a center has the cylinder that through hole, outer surface of upper are provided with boss; The inner surface of described panoramic table cooperates with three of the upper and lower and peripheries of supporting mass boss outer surface, and the mating surface of described supporting mass and panoramic table is provided with the static pressure oil pocket and forms hydrostatic slideway;
Described motor is installed on the inwall of described supporter central through hole by its stator shaft orientation.
4. a kind of compound turntable that adopts the closed type static pressure technology according to claim 3, it is characterized in that: the sensor that is provided with the control position precision on described panoramic table main shaft and the base between the set hole, the sensor rotating part is connected with the panoramic table main shaft, and the sensor detecting element is fixedly installed on the inwall of base aperture.
5. a kind of compound turntable that adopts the closed type static pressure technology according to claim 4 is characterized in that: described base be provided with hydrostatic slideway that the static pressure oil pocket forms into and out of oilhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010539288 CN102029528A (en) | 2010-11-09 | 2010-11-09 | Compound turntable based on closed type static pressure technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010539288 CN102029528A (en) | 2010-11-09 | 2010-11-09 | Compound turntable based on closed type static pressure technology |
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| CN102029528A true CN102029528A (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010539288 Pending CN102029528A (en) | 2010-11-09 | 2010-11-09 | Compound turntable based on closed type static pressure technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438555A (en) * | 2020-05-21 | 2020-07-24 | 安徽津野数控科技有限公司 | Numerical control indexing table |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678291A (en) * | 1994-11-19 | 1997-10-21 | Maschinenfabrik Berthold Hermle Ag | Machine tool |
| US20030053875A1 (en) * | 2001-08-21 | 2003-03-20 | Franco Pasquetto | Numerical-control milling machine |
| DE202004019478U1 (en) * | 2004-12-15 | 2006-04-20 | Starragheckert Gmbh | Traction module for machine tool, has drive arranged between torque motor and output shaft of drive module which guides assembly to be propelled, where drive is suitable to increase standby torque of torque motor |
| CN2790660Y (en) * | 2005-11-30 | 2006-06-28 | 青岛捷能汽轮机股份有限公司 | Automatic group-welding device for steam turbine partition board |
| CN101398119A (en) * | 2007-09-29 | 2009-04-01 | 李颖仲 | Self-driving round rotating platform of three-surface static pressure closed type guiding rail |
| CN201863004U (en) * | 2010-11-09 | 2011-06-15 | 北京东方精益机械设备有限公司 | Composite turntable adopting closed static pressure technique |
-
2010
- 2010-11-09 CN CN 201010539288 patent/CN102029528A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678291A (en) * | 1994-11-19 | 1997-10-21 | Maschinenfabrik Berthold Hermle Ag | Machine tool |
| US20030053875A1 (en) * | 2001-08-21 | 2003-03-20 | Franco Pasquetto | Numerical-control milling machine |
| DE202004019478U1 (en) * | 2004-12-15 | 2006-04-20 | Starragheckert Gmbh | Traction module for machine tool, has drive arranged between torque motor and output shaft of drive module which guides assembly to be propelled, where drive is suitable to increase standby torque of torque motor |
| CN2790660Y (en) * | 2005-11-30 | 2006-06-28 | 青岛捷能汽轮机股份有限公司 | Automatic group-welding device for steam turbine partition board |
| CN101398119A (en) * | 2007-09-29 | 2009-04-01 | 李颖仲 | Self-driving round rotating platform of three-surface static pressure closed type guiding rail |
| CN201863004U (en) * | 2010-11-09 | 2011-06-15 | 北京东方精益机械设备有限公司 | Composite turntable adopting closed static pressure technique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438555A (en) * | 2020-05-21 | 2020-07-24 | 安徽津野数控科技有限公司 | Numerical control indexing table |
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Application publication date: 20110427 |