CN110281034A - A kind of the Coupled Rigid-flexible platform and motion platform of band enhancing flexible hinge chain group - Google Patents
A kind of the Coupled Rigid-flexible platform and motion platform of band enhancing flexible hinge chain group Download PDFInfo
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- CN110281034A CN110281034A CN201910452455.XA CN201910452455A CN110281034A CN 110281034 A CN110281034 A CN 110281034A CN 201910452455 A CN201910452455 A CN 201910452455A CN 110281034 A CN110281034 A CN 110281034A
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- platform
- flexible
- chain group
- hinge chain
- flexible hinge
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
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Abstract
A kind of the Coupled Rigid-flexible platform and motion platform of band enhancing flexible hinge chain group, the Coupled Rigid-flexible platform which enhances flexible hinge chain group includes: motion platform rigid frame, nucleus movement platform and flexible hinge chain group；The flexible hinge chain group includes: multi-disc spring leaf, multiple groups gasket group；Gasket set isolation described in having one group between spring leaf described in adjacent two panels；The motion platform rigid frame is connect by the flexible hinge chain group with the nucleus movement platform.The rigidity of the flexible hinge chain group of the Coupled Rigid-flexible platform increases, and substantially increases the ability that guiding mechanism bears big load, is suitable for the motion platform design of different structure size.
Description
Technical field
The present invention relates to high-accuracy Motion Technology fields, more particularly relate to a kind of hard and soft coupling of band enhancing flexible hinge chain group
Close platform and motion platform.
Background technique
Due to having the characteristics that flexible hinge has obtained answering extensively in precision movement platform design without rubbing, exempting from lubrication
With.In precision movement platform, flexible hinge is primarily designed as guiding mechanism.In precision movement platform, work as motion platform
Starting stops and when micro-displacement is fed, as a kind of frictionless motion pair, flexible hinge mainly by the flexible deformation of itself come
Realize movement.The working principle of above-mentioned flexible hinge causes the motion platform based on exemplary flexible hinge guiding mechanism to be mainly applicable in
In underloading occasion, its application in big load occasion is limited.Further, since in motion process flexible hinge for a long time repeatedly
Deformation, tending to, which causes guiding mechanism to crack, is even broken.How the carrying of above-mentioned flexible hinge guiding mechanism is improved
Rigidity and fatigue life become the critical issue for extending the typical guiding mechanism application range.
To solve the above problems, currently used solution has:
1. enhancing the load-bearing rigidity of the guiding mechanism based on flexible hinge using modes such as air bearing, magnetic suspension.Above-mentioned side
Method can effectively improve the load-bearing rigidity of precision movement platform, and existing main problem is manufacture and use higher cost.
2. manufacturing specific dedicated flexible hinge in the way of topological optimization structure design etc. according to specifically used requirement.
Aforesaid way can be improved the load-bearing rigidity of guiding mechanism to a certain extent, but the flexible hinge designed often structure is complicated,
Versatility is poor, fabricates higher cost.
Summary of the invention
The present invention in order to overcome at least one of the drawbacks of the prior art described above, proposes a kind of novel big carrying flexible hinge
Guiding mechanism, using flexible hinge work rigidity and spring leaf thickness at cube relationship, load-bearing rigidity and spring leaf cross section
Directly proportional characteristic effectively promotes high speed and precision motion platform using the rigidity superposition of the thin spring leaf of N group long-fatigue life
Bearing capacity, the technical solution adopted by the present invention is that as follows.
A kind of Coupled Rigid-flexible platform of band enhancing flexible hinge chain group, the Coupled Rigid-flexible platform include: motion platform rigidity
Frame, nucleus movement platform and flexible hinge chain group；The flexible hinge chain group includes: multi-disc spring leaf, multiple groups gasket group；Adjacent two
Gasket set isolation described in having one group between spring leaf described in piece；The motion platform rigid frame passes through the flexible hinge chain group
It is connect with the nucleus movement platform.
Further, flexible hinge chain group setting direction and nucleus movement in the motion platform rigid frame is flat
The direction of motion of the platform in the motion platform rigid frame is orthogonal.
Further, the flexible hinge chain group is two groups, and flexible hinge chain group described in two groups is arranged symmetrically in the nucleus movement
Platform both ends.
Further, the multi-disc spring leaf of the flexible hinge chain group is connect by bolted connection with multiple groups gasket group.
Further, the multi-disc spring leaf of the flexible hinge chain group is connect with the mode that multiple groups gasket group is joined by gluing.
A kind of precision movement platform, the precision movement platform include base, the linear guide being fixed on the base,
Guide rail slide block, the aforementioned Coupled Rigid-flexible platform, linear actuator；Nucleus movement platform in the Coupled Rigid-flexible platform with
The linear actuator connection, the rigid frame are connect by the guide rail slide block with the linear guide.
Further, the precision movement platform further includes displacement sensor, institute's displacement sensors and the nucleus movement
Platform connection, for measuring the displacement of the nucleus movement platform in the movement direction.
Compared with prior art, beneficial effect is:
1. by N group long-fatigue life spring plate group at, substantially increase guiding mechanism bear big load ability, be suitble to
It is designed in the motion platform of different structure size, and the rigidity enhances flexible hinge chain group, individually processes, is detachable.
2. the design of the big carrying flexible hinge guiding mechanism is more compact, structure is simple, and cost is relatively low for processing and manufacturing, fits
It is wide with range.
3. the big carrying flexure hinge mechanism work area proposed is big, bearing capacity is strong.
Detailed description of the invention
Fig. 1 is the integrally-built front cross sectional view of precision movement platform of the invention.
Fig. 2 is the partial enlarged view in Fig. 1.
Fig. 3 is the partial cross sectional views of Coupled Rigid-flexible platform of the invention.
Fig. 4 is the partial enlarged view in Fig. 3.
Fig. 5 is flexible hinge chain group axonometric drawing of the invention.
Fig. 6 is flexible hinge group exploded view of the invention.
Fig. 7 is flexible hinge chain group view in full section of the invention.
Fig. 8 is the working principle diagram (stationary state) of Coupled Rigid-flexible platform of the invention.
Fig. 9 is the working principle diagram (motion state) of Coupled Rigid-flexible platform of the invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1, 2, a kind of precision movement platform, the precision movement platform include base A1, are fixed on the machine
Linear guide A6, guide rail slide block A2, Coupled Rigid-flexible platform, linear actuator on seat；Rigid-flexible Coupled Motion platform is flat by moving
Platform rigid frame A5, nucleus movement platform A3 and flexible hinge chain group A4 composition, linear actuator is by linear motor rotor A7 and directly
Line motor stator A8 composition.Nucleus movement platform A3 in Rigid-flexible Coupled Motion platform is connect with linear actuator, motion platform
Rigid frame A5 is connect by guide rail slide block A6 with the linear guide A2.
In one embodiment, the precision movement platform further includes displacement sensor, institute's displacement sensors with it is described
Nucleus movement platform A3 connection, for measuring the displacement of the nucleus movement platform A3 in the movement direction.
As shown in Figure 3,4, the Coupled Rigid-flexible platform include: motion platform rigid frame A5, nucleus movement platform A3 and
Flexible hinge chain group A4, motion platform rigid frame A5 are connect by the flexible hinge chain group A4 with the nucleus movement platform A3.
As illustrated in figs. 5-7, the flexible hinge chain group A4 includes: multi-disc spring leaf 1 and multiple groups gasket group 2, spring leaf described in adjacent two panels
Between have one group described in gasket set isolation.Multi-disc spring leaf 1 and multiple groups gasket group 2 can be with connection sides such as fitted bolt, gluings
Formula is fixed together.The flexible hinge chain group A4 and nucleus movement platform A3 and motion platform rigid frame A5 carries out rigid dress
With connection.The flexible hinge chain group A4 setting direction and nucleus movement platform A3 in the motion platform rigid frame A5
The direction of motion in the motion platform rigid frame is orthogonal, so the work of the multiple groups spring leaf in flexible hinge chain group A4 group
Deformation direction is identical as the operative orientation of the nucleus movement platform A3.It is understood that the orthogonal setting in direction is one kind
It is preferable to provide, those skilled in the art can take other set-up modes according to actual elastic deformation demand.As Fig. 3,
Shown in 4, the flexible hinge chain group A4 is two groups, and flexible hinge chain group A4 described in two groups is arranged symmetrically in the nucleus movement platform A3
Both ends.Certainly, the group number of flexible hinge chain group A4 rationally can also be arranged, and symmetrical according to actual needs in those skilled in the art
It is arranged in the both ends nucleus movement platform A3.In addition, those skilled in the art can also be according to actual needs using asymmetry
Arrangement.The connection types such as flexible hinge chain group A4 matching thread, gluing and the nucleus movement platform A3 and the motion platform
Rigid frame A5 carries out rigid assembly connection.
The working principle of Rigid-flexible Coupled Motion platform of the present invention is as shown in Figure 8,9, and flexible hinge chain group A4 passes through screw thread, gluing
Etc. connection types and the nucleus movement platform A3 and motion platform rigid frame A5 carry out rigid assembly connection.Fig. 8 is when fortune
It is described due to the presence of stiction between the straight-line guide rail slide block A2 and the linear guide A6 when starting of moving platform
Motion platform rigid frame A5 has in friction " dead zone ", and the nucleus movement platform A3 drives carrying soft under the action of driving force
Property hinge set A4 occur flexible deformation, realize the nucleus movement platform A3 orientation displacement.As driving force continues to increase, directly
To more than stiction, the motion platform rigid frame A5 could setting in motions.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (7)
1. a kind of Coupled Rigid-flexible platform of band enhancing flexible hinge chain group, which is characterized in that the Coupled Rigid-flexible platform includes: movement
Platform rigid frame, nucleus movement platform and flexible hinge chain group；
The flexible hinge chain group includes: multi-disc spring leaf, multiple groups gasket group；
Gasket set isolation described in having one group between spring leaf described in adjacent two panels；
The motion platform rigid frame is connect by the flexible hinge chain group with the nucleus movement platform.
2. the Coupled Rigid-flexible platform of band enhancing flexible hinge chain group according to claim 1, which is characterized in that the flexible hinge
Chain group in the motion platform rigid frame setting direction and the nucleus movement platform in the motion platform rigid frame
In the direction of motion it is orthogonal.
3. the Coupled Rigid-flexible platform of band enhancing flexible hinge chain group according to claim 2, which is characterized in that the flexible hinge
Chain group is two groups, and flexible hinge chain group described in two groups is arranged symmetrically in nucleus movement platform both ends.
4. the Coupled Rigid-flexible platform of band enhancing flexible hinge chain group according to claim 1-3, which is characterized in that institute
The multi-disc spring leaf for stating flexible hinge chain group is connect by bolted connection with multiple groups gasket group.
5. a kind of Coupled Rigid-flexible platform of band enhancing flexible hinge chain group according to claim 1-3, feature exist
In the multi-disc spring leaf of the flexible hinge chain group is connect with the mode that multiple groups gasket group is joined by gluing.
6. a kind of precision movement platform, which is characterized in that the precision movement platform includes base, is fixed on the base
The described in any item Coupled Rigid-flexible platforms of linear guide, guide rail slide block, claim 1-5, linear actuator；
Nucleus movement platform in the Coupled Rigid-flexible platform is connect with the linear actuator, and the rigid frame passes through described
Guide rail slide block is connect with the linear guide.
7. precision movement platform according to claim 6, which is characterized in that the precision movement platform further includes that displacement passes
Sensor, institute's displacement sensors are connect with the nucleus movement platform, for measuring the nucleus movement platform in the direction of motion
On displacement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910452455.XA CN110281034B (en) | 2019-05-28 | 2019-05-28 | Rigid-flexible coupling platform with enhanced flexible hinge group and motion platform |
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| CN201910452455.XA CN110281034B (en) | 2019-05-28 | 2019-05-28 | Rigid-flexible coupling platform with enhanced flexible hinge group and motion platform |
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| CN110281034A true CN110281034A (en) | 2019-09-27 |
| CN110281034B CN110281034B (en) | 2022-02-25 |
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Cited By (3)
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| CN110928238A (en) * | 2019-10-23 | 2020-03-27 | 广东工业大学 | Rigid-flexible coupling rotary platform and control method thereof |
| CN110941241A (en) * | 2019-10-23 | 2020-03-31 | 广东工业大学 | Rigid-flexible coupling rotary platform |
| CN111251260A (en) * | 2019-12-12 | 2020-06-09 | 广东工业大学 | Easy-maintenance rigid-flexible coupling platform structure and multi-degree-of-freedom motion platform formed by same |
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| CN110928238A (en) * | 2019-10-23 | 2020-03-27 | 广东工业大学 | Rigid-flexible coupling rotary platform and control method thereof |
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| CN111251260A (en) * | 2019-12-12 | 2020-06-09 | 广东工业大学 | Easy-maintenance rigid-flexible coupling platform structure and multi-degree-of-freedom motion platform formed by same |
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