CN203956519U - Micro-distortion location precision indexing turntable - Google Patents
Micro-distortion location precision indexing turntable Download PDFInfo
- Publication number
- CN203956519U CN203956519U CN201420324063.8U CN201420324063U CN203956519U CN 203956519 U CN203956519 U CN 203956519U CN 201420324063 U CN201420324063 U CN 201420324063U CN 203956519 U CN203956519 U CN 203956519U
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- China
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- connecting portion
- deceleration transmission
- workbench
- micro
- output connecting
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Abstract
The utility model discloses a kind of micro-distortion location precision indexing turntable, comprise workbench and numerical control servo turntable assembly that upper and lower corresponding arranges, between workbench and numerical control servo turntable assembly, be provided with the micro-rotary drive mechanism of distortion, be out of shape between micro-rotary drive mechanism and workbench electromagnet is installed.Precision indexing NC rotary table of the present utility model adopts deceleration transmission microposition technology, under need not the condition of micro-actuator, can greatly improve positioning precision common and accurate digital control servo turntable, and tool precision is high, the feature of good economy performance.
Description
Technical field
The utility model belongs to the accurate digital control field of mechanical technique of advanced equipment manufacturing, relates to one and is applicable to precision indexing revolution technology, is specifically related to a kind of numerical control rotating platform and locates precision indexing turntable with micro-distortion of the micro-rotary drive mechanism Application of composite of distortion.
Background technology
Along with scientific and technical development, accurate digital control rotary machine demand is more and more, and the operating accuracy that detects the precision rotating movable machineries such as machinery, precision rotating gearing, precision rotating processing equipment as precision rotating has started to 1
-1～10
-3the development of rad (1 rad, 1 〞 is about 0.00028 degree) class precision, therefore the precision of rad～micro-rad of level and ultraprecise numerical control rotary machinery become one of important development direction of high-end numerical controlled machinery.One of effective way that improves accurate ultra numerical control rotary mechanical precision is the macro and micro servo system that adopts grand driving and micro-driving to combine, realize large revolution range gyration by grand driving, realize the accurate and ultra-precise revolving of rad～micro-rad level by micro-driving and move.The grand driving of gyration can adopt dynamo-electric binding pattern or adopt the direct drive pattern of torque motor.Micro-driving of gyration can adopt the transmission of the micro-actuators such as piezo-activator, flexure hinge mechanism to realize, but it is expensive and environment for use condition (temperature, humidity, vibration) is required harsh to realize the micro-actuator of precision feeding.
Utility model content
The purpose of this utility model is to provide a kind of micro-distortion location precision indexing turntable, can under need not the condition of micro-actuator, general precision numerical control rotating platform, accurate digital control servo turntable be promoted to respectively to accurate digital control rotary table and ultraprecise NC rotary table.
The technical scheme that the utility model adopts is, a kind of micro-distortion location precision indexing turntable, comprise workbench and numerical control servo turntable assembly that upper and lower corresponding arranges, between workbench and numerical control servo turntable assembly, be provided with the micro-rotary drive mechanism of distortion, be out of shape between micro-rotary drive mechanism and workbench electromagnet is installed.
Be out of shape micro-rotary drive mechanism and comprise the output connecting portion a and the output connecting portion b that are fixed in workbench lower surface, also comprise the input connecting portion that is fixed in numerical control servo turntable assembly upper surface, between output connecting portion a and output connecting portion b, output connecting portion a and input between connecting portion and be all connected with deceleration transmission portion;
Electromagnet is arranged between input connecting portion and workbench, and electromagnet is fixedly connected with input connecting portion.
Wherein deceleration transmission portion comprises that cross section is the L shaped a of deceleration transmission portion, the b of deceleration transmission portion and the c of deceleration transmission portion that cross section is rectangle, output connecting portion a is the positive cuboid structure that is arranged on workbench middle position, 4 sides of output connecting portion a are connected with a limit of 1 a of deceleration transmission portion respectively, each deceleration transmission a of portion is also connected with 1 b of deceleration transmission portion respectively with the same limit that output connecting portion a is connected, and is also connected with 1 output connecting portion b on each deceleration transmission b of portion;
The end on another limit of each deceleration transmission a of portion is connected with 1 c of deceleration transmission portion respectively, and each deceleration transmission c of portion is also connected with 1 input connecting portion.
Wherein export between connecting portion a, output connecting portion b, input connecting portion, a of deceleration transmission portion, the b of deceleration transmission portion and the c of deceleration transmission portion and be flexible hinge connection.
Wherein between electromagnet and workbench, between output connecting portion a and output connecting portion b and numerical control servo turntable assembly, between deceleration transmission portion and numerical control servo turntable assembly and workbench, be equipped with gap.
The a of deceleration transmission portion and the b of deceleration transmission portion and the c of deceleration transmission portion are respectively the polymorphic structure of prismatic L shaped structure and prismatic rectangular configuration or variable cross-section.
The beneficial effects of the utility model are, micro-distortion of the present utility model location precision indexing turntable adopts deceleration transmission microposition technology, under need not the condition of micro-actuator, general precision numerical control rotating platform, accurate digital control servo turntable are promoted to respectively to accurate digital control rotary table and ultraprecise NC rotary table, have that precision is high, the feature of good economy performance.
Brief description of the drawings
Fig. 1 is the structural representation of the micro-distortion of the utility model location precision indexing turntable;
Fig. 2 is the structural representation that is out of shape micro-rotary drive mechanism in the utility model;
Fig. 3 be Fig. 2 along K-K direction to view;
Fig. 4 is the deceleration transmission schematic diagram that is out of shape micro-rotary drive mechanism in the utility model.
In Fig. 1,1. numerical control servo turntable assembly, the 2. micro-rotary drive mechanism of distortion, 21. output connecting portion a, 22. output connecting portion b, 23. input connecting portions, 24. deceleration transmission portions, 241. a of deceleration transmission portion, 242. b of deceleration transmission portion, 243. c of deceleration transmission portion, 3. electromagnet, 4. workbench.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The utility model provides a kind of micro-distortion location precision indexing turntable, as shown in Figure 1, comprise workbench 4 and numerical control servo turntable assembly 1 that upper and lower corresponding arranges, between workbench 4 and numerical control servo turntable assembly 1, be provided with the micro-rotary drive mechanism 2 of distortion, be out of shape between micro-rotary drive mechanism 2 and workbench 4 electromagnet 3 is installed.
As shown in Figures 2 and 3, wherein be out of shape micro-rotary drive mechanism 2 and comprise the output connecting portion a21 and the output connecting portion b22 that are fixed in workbench 4 lower surfaces, also comprise the input connecting portion 23 that is fixed in numerical control servo turntable assembly 1 upper surface, between output connecting portion a21 and output connecting portion b22, output connecting portion a21 and input between connecting portion 23 and be all connected with deceleration transmission portion 24; Deceleration transmission portion 24 comprises the b242 of deceleration transmission portion and the c243 of deceleration transmission portion of the L shaped a241 of deceleration transmission portion, rectangle, output connecting portion a21 is the positive cuboid structure that is arranged on workbench 4 middle positions, 4 sides of output connecting portion a21 are connected with a limit of 1 a241 of deceleration transmission portion respectively, each deceleration transmission a241 of portion is also connected with 1 b242 of deceleration transmission portion respectively with the same limit that output connecting portion a21 is connected, and is also connected with 1 output connecting portion b22 on each deceleration transmission b242 of portion;
The end on another limit of each deceleration transmission a241 of portion is connected with 1 c243 of deceleration transmission portion respectively, and each deceleration transmission c243 of portion is also connected with 1 input connecting portion 23.
Wherein export between connecting portion a21, output connecting portion b22, input connecting portion 23, the a241 of deceleration transmission portion, the b242 of deceleration transmission portion and the c243 of deceleration transmission portion and be flexible hinge connection.
The a241 of deceleration transmission portion, the b242 of deceleration transmission portion and the c243 of deceleration transmission portion can be prismatic L shaped, rectangular configuration, can be also the polymorphic structure of variable cross-section.
Electromagnet 3 is arranged between input connecting portion 23 and workbench 4, and electromagnet 3 is fixedly connected with input connecting portion 23.Between electromagnet 3 and workbench 4, between output connecting portion a21 and output connecting portion b22 and numerical control servo turntable assembly 1, be equipped with gap between deceleration transmission portion 24 and numerical control servo turntable assembly 1 and workbench 4.
Micro-distortion of the present utility model location precision indexing turntable comprises numerical control servo turntable assembly 1, is out of shape micro-rotary drive mechanism 2, electromagnet 3, and workbench 4, the relative numerical control servo turntable of each several part axis of rotation is symmetrical.Being out of shape micro-rotary drive mechanism 2 is made up of output connecting portion a21, output connecting portion b22, input connecting portion 23 and deceleration transmission portion 24 4 parts, the front end of input connecting portion 23 is fixedly connected with the turntable of numerical control servo turntable assembly 1, rear end is fixedly connected with electromagnet 3, gapped between electromagnet 3 and workbench 4; Output connecting portion a21 is fixedly connected with workbench 4 with output connecting portion b22, and gapped between the turntable end face of numerical control servo turntable assembly 1; Deceleration transmission portion 24 and input connecting portion 23 and output connecting portion a21, output connecting portion b22 be for flexibly connecting, and and the turntable end face of numerical control servo turntable assembly 1 and workbench 4 between all gapped.
Motion transitive relation between numerical control servo turntable assembly 1 and workbench 4 is as Fig. 3, the logical magnetic of electromagnet 3, workbench 4 adhesives, the revolution of numerical control servo turntable assembly 1 directly drives workbench 4 to turn round (without the micro-rotary drive mechanism 2 of distortion) through electromagnet 3; The disconnected magnetic of electromagnet 3 while arriving predetermined indexing position, the revolution of numerical control servo turntable assembly 1 drives workbench 4 to turn round through deceleration transmission portion 24 deceleration transmission of the micro-rotary drive mechanism 2 of distortion.
With the output connecting portion b22 of the 1st quadrant of Fig. 4, input connecting portion 23 and deceleration transmission portion 24 are example explanation calibration microposition know-why, when calibration the location, the disconnected magnetic of electromagnet 3, numerical control servo turntable assembly 1 drives the input connecting portion 23 of the micro-rotary drive mechanism 2 of distortion being fixedly connected with it to continue revolution, the flexible hinge J3 of deceleration transmission portion 24, J2, J1, J4, J5 respectively fine motion arrives J3 ', J2 ', J1 ', J4 ', J5 ' position, flexible hinge J3 is connected with input connecting portion 23, it rotates Δ α angle from J3 fine motion to J3 ' fine motion identical with numerical control servo turntable assembly 1, flexible hinge J5 is connected with output connecting portion b22, it is from J5 fine motion to J5 ', fine motion Δ θ angle is identical with output connecting portion b22, output connecting portion b22 and workbench 4 are fixing, therefore workbench 4 fine motion Δ θ angles.Step-down ratio i=Δ α/Δ θ, the deceleration transmission of being out of shape the deceleration transmission portion 24 of micro-rotary drive mechanism 2 has improved the indexing accuracy of NC rotary table.
Motion transfer route between gyration and the workbench of numerical control servo turntable assembly is divided into two, the magnetic of electromagnetism Tie Tong while being swivel feeding, and workbench adhesive, the gyration of numerical control servo turntable assembly directly drives work table rotation through electromagnet; Another is the disconnected magnetic of electromagnet while arriving predetermined indexing position, and the revolution of numerical control servo turntable assembly drives work table rotation through the deceleration transmission portion of the micro-rotary drive mechanism of distortion.Step-down ratio is according to different condition and require design, adopts deceleration transmission microposition technology can make the indexing accuracy of numerical control rotating platform improve 2～5 times.
Claims (5)
1. a precision indexing microposition NC rotary table, it is characterized in that, comprise workbench (4) and numerical control servo turntable assembly (1) that upper and lower corresponding arranges, between described workbench (4) and numerical control servo turntable assembly (1), be provided with the micro-rotary drive mechanism of distortion (2), be out of shape between micro-rotary drive mechanism (2) and workbench (4) electromagnet (3) is installed.
2. precision indexing microposition NC rotary table according to claim 1, it is characterized in that, the micro-rotary drive mechanism of described distortion (2) comprises the output connecting portion a (21) and the output connecting portion b (22) that are fixed in workbench (4) lower surface, also comprise the input connecting portion (23) that is fixed in numerical control servo turntable assembly (1) upper surface, between described output connecting portion a (21) and output connecting portion b (22), output connecting portion a (21) is all connected with deceleration transmission portion (24) with inputting between connecting portion (23);
Described electromagnet (3) is arranged between input connecting portion (23) and workbench (4), and electromagnet (3) is fixedly connected with input connecting portion (23).
3. precision indexing microposition NC rotary table according to claim 2, it is characterized in that, described deceleration transmission portion (24) comprises the L shaped a of deceleration transmission portion (241), the b of deceleration transmission portion (242) of rectangle and the c of deceleration transmission portion (243), output connecting portion a (21) is for being arranged on the square body structure of workbench (4) middle position, 4 sides of output connecting portion a (21) are connected with a limit of 1 a of deceleration transmission portion (241) respectively, each deceleration transmission a of portion (241) is also connected with 1 b of deceleration transmission portion (242) respectively with the same limit that output connecting portion a (21) is connected, on each deceleration transmission b of portion (242), be also connected with 1 output connecting portion b (22),
The end on another limit of each deceleration transmission a of portion (241) is connected with 1 c of deceleration transmission portion (243) respectively, and each deceleration transmission c of portion (243) is also connected with 1 input connecting portion (23),
Between described output connecting portion a (21), output connecting portion b (22), input connecting portion (23), a of deceleration transmission portion (241), the b of deceleration transmission portion (242) and the c of deceleration transmission portion (243), being flexible hinge connects.
4. according to the precision indexing microposition NC rotary table described in claim 2 or 3, it is characterized in that, between described electromagnet (3) and workbench (4), output connecting portion a (21) and export between connecting portion b (22) and numerical control servo turntable assembly (1), be equipped with gap between deceleration transmission portion (24) and numerical control servo turntable assembly (1) and workbench (4).
5. precision indexing microposition NC rotary table according to claim 4, it is characterized in that, a of deceleration transmission portion (241) and the b of deceleration transmission portion (242) and the c of deceleration transmission portion (243) are respectively the polymorphic structure of prismatic L shaped structure and prismatic rectangular configuration or variable cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324063.8U CN203956519U (en) | 2014-06-17 | 2014-06-17 | Micro-distortion location precision indexing turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324063.8U CN203956519U (en) | 2014-06-17 | 2014-06-17 | Micro-distortion location precision indexing turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956519U true CN203956519U (en) | 2014-11-26 |
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ID=51917156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420324063.8U Expired - Fee Related CN203956519U (en) | 2014-06-17 | 2014-06-17 | Micro-distortion location precision indexing turntable |
Country Status (1)
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|---|---|
| CN (1) | CN203956519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057307A (en) * | 2014-06-17 | 2014-09-24 | 绍兴绍力机电科技有限公司 | Precise indexing and micro positioning numerical control rotary table |
-
2014
- 2014-06-17 CN CN201420324063.8U patent/CN203956519U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057307A (en) * | 2014-06-17 | 2014-09-24 | 绍兴绍力机电科技有限公司 | Precise indexing and micro positioning numerical control rotary table |
| CN104057307B (en) * | 2014-06-17 | 2016-03-30 | 绍兴绍力机电科技有限公司 | Precision indexing microposition NC rotary table |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20190617 |