CN110014403A - A kind of big stroke precision is to bit platform - Google Patents
A kind of big stroke precision is to bit platform Download PDFInfo
- Publication number
- CN110014403A CN110014403A CN201810021650.2A CN201810021650A CN110014403A CN 110014403 A CN110014403 A CN 110014403A CN 201810021650 A CN201810021650 A CN 201810021650A CN 110014403 A CN110014403 A CN 110014403A
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- China
- Prior art keywords
- chuck
- fixing seat
- platform
- collar
- boss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
-
- 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
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Machine Tool Units (AREA)
Abstract
The present invention provides a kind of big stroke precisions to bit platform, belongs to field of mechanical technique.It solves the technical problems such as existing precision is smaller to the moving platform slewing area of bit platform.This big stroke precision includes moving platform and fixing seat to bit platform, fixing seat is annular in shape, the top slide of fixing seat be connected with it is several can be around the chuck of fixing seat circumferentially rotated, guide rail is respectively and fixedly provided on each chuck, sliding block is slidably connected respectively on each guide rail, the top of each sliding block is rotatably connected to collar, and each collar is respectively sleeved at the top of corresponding sliding block, and each collar is rotatablely connected with moving platform.This can be realized the translation and rotation of moving platform in a wider context to bit platform, with bigger working space and align more accurate.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of big stroke precision to bit platform.
Background technique
Currently, in the prior art, using in the high-accuracy equipment to bit platform, alignment system mostly uses greatly parallel institution,
The upper and lower platform of parallel institution is supported with mutually independent Parallel Component, therefore has the spy that structure is relatively stable, rigidity is big
Point enables parallel institution to have bigger carrying further, since having cyclic annular closed chain constraint between rack and end effector
Power, because there is no the accumulations and enlarge-effect of the error in each joint, therefore parallel institution error is small, precision is high；The drive of parallel institution
Dynamic part is easy to install in alleviating exercise load in rack, has a preferable power performance, parallel-connection structure have service speed it is high,
Advantage compact-sized, rigidity is high, large carrying capacity and dynamic performance are good.
But the precision of the prior art is to the shortcoming of bit platform: accurate movement branched chain and fixed platform to bit platform
Connecting pin mostly uses greatly attachment, and such structure limits the slewing area of movement branched chain, and then moving platform is caused to rotate
Range is small, limits the working space of parallel connection platform in this way.
Summary of the invention
The present invention addresses the above problems in the prior art, provides a kind of big stroke precision to bit platform, the present invention
The technical problem to be solved is that: how to improve the accurate motion range to bit platform.
Object of the invention can be realized by the following technical scheme:
A kind of big stroke precision is to bit platform, including moving platform and fixing seat, which is characterized in that the fixing seat is in annulus
Shape, the top slide of the fixing seat be connected with it is several can on the chuck of the fixing seat circumferentially rotated, each chuck
It is fixed with guide rail, slidably connects sliding block on each guide rail respectively, the top of each sliding block is rotatably connected to collar, each collar difference
It is set in the top of corresponding sliding block, each collar is rotatablely connected with the moving platform.
Its working principle is that: this includes moving platform and fixing seat annular in shape to bit platform, and each chuck is led with corresponding
Rail, sliding block and collar component movement branch, each chuck are driven by servo motor respectively, when work, in the driving pair of each servo motor
The chuck answered is circumferentially rotated along fixing seat, and each chuck drives corresponding guide rail mobile, during each guide rail is mobile, each guide rail
Upper corresponding sliding block slides respectively, so that moving platform is driven to be rotated and moved, meanwhile, moving platform is also relative to each axis
Ring generates rotation, this can either mutually be rotated between moving platform and fixing seat to bit platform, can also generate X-direction and the side Y
To movement, can be realized the translation and rotation of moving platform in a wider context, there is bigger working space, each chuck difference
It is driven, is aligned more accurate by servo motor.
In a kind of above-mentioned big stroke precision in bit platform, the lateral surface of each chuck is arc-shaped and each chuck is and solid
The inner wall of reservation mutually reclines.The structure can make chuck be not susceptible to shake in the course of rotation, improve when chuck rotates
Stability.
In a kind of above-mentioned big stroke precision in bit platform, the top of the fixing seat has in the first convex of circular ring shape
Platform all has sliding slot at the top of each chuck, and the first boss is embedded in the sliding slot on each chuck, and the inner wall of each sliding slot is in
It arc and mutually reclines with the lateral surface of the first boss.The inner wall of each sliding slot reclines with first boss cooperation, the structure
Stability when chuck rotation can be further increased.
In a kind of above-mentioned big stroke precision in bit platform, it is convex that cylindrical second is all had at the top of each sliding block
Platform, each collar are respectively sleeved in corresponding second boss and are rotatablely connected with corresponding second boss.
In a kind of above-mentioned big stroke precision in bit platform, each collar is clearance fit with corresponding second boss.
In a kind of above-mentioned big stroke precision in bit platform, the bottom of each guide rail is respectively and fixedly provided with pedestal, in each pedestal
Portion is fixedly connected with at the top of corresponding chuck.Guide rail can be fixed on the base by each guide rail by bolted connection,
It can also be fixed on the base by welding, guide rail is fixed on the top of chuck by pedestal, installs more stable；Card
It is fixed on the middle part of pedestal at the top of disk, the stress of guide rail can be better balanced.
Compared with prior art, advantages of the present invention is as follows:
1, this can be realized the translation and rotation of moving platform in a wider context to bit platform, empty with bigger work
Between.
2, this is driven each chuck of bit platform by servo motor respectively, is aligned more accurate.
Detailed description of the invention
Fig. 1 is this structural schematic diagram to bit platform.
Fig. 2 is the structural schematic diagram of movement branched chain.
Fig. 3 is the schematic diagram that chuck is connected with fixing seat.
Fig. 4 is the schematic diagram that guide rail is connected with sliding block.
In figure, 1, moving platform；2, fixing seat；2a, first boss；3, chuck；3a, sliding slot；4, guide rail；5, sliding block；5a,
Two boss；6, collar；7, pedestal.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figs. 1-2, this big stroke precision includes moving platform 1 and fixing seat 2 to bit platform, and fixing seat 2 is annular in shape,
The top slide of fixing seat 2 is connected with several can be respectively and fixedly provided on the chuck 3 of fixing seat 2 circumferentially rotated, each chuck 3 and leads
Rail 4 slidably connects sliding block 5 on each guide rail 4 respectively, and the top of each sliding block 5 is rotatably connected to collar 6, and each collar 6 covers respectively
It is located at the top of corresponding sliding block 5, each collar 6 is rotatablely connected with moving platform 1.
As Figure 2-3, preferably, the lateral surface of each chuck 3 is arc-shaped and each chuck 3 is interior with fixing seat 2
Wall mutually reclines.The structure can make chuck 3 be not susceptible to shake in the course of rotation, improve stability when chuck 3 rotates.
As Figure 2-3, in the present embodiment, the top of fixing seat 2 has the first boss 2a in circular ring shape, each chuck 3
Top all have sliding slot 3a, first boss 2a is embedded in the sliding slot 3a on each chuck 3, and the inner wall of each sliding slot 3a is arc-shaped
And it mutually reclines with the lateral surface of first boss 2a.The inner wall of each sliding slot 3a reclines with first boss 2a cooperation, the structure energy
Enough further increase stability when chuck 3 rotates.
As shown in figure 4, the top of each sliding block 5 all has cylindrical second boss 5a, each collar 6 is respectively sleeved at pair
It is rotatablely connected on the second boss 5a answered and with corresponding second boss 5a.
Preferably, each collar 6 is clearance fit with corresponding second boss 5a.
As shown in Fig. 2, in the present embodiment, the bottom of each guide rail 4 is respectively and fixedly provided with pedestal 7, the middle part of each pedestal 7 with it is corresponding
The top of chuck 3 be fixedly connected with.Guide rail 4 can be fixed on pedestal 7 by each guide rail 4 by bolted connection, can also be with
It is fixed on pedestal 7 by welding, guide rail 4 is fixed on the top of chuck 3 by pedestal 7, installs more stable；Chuck
3 top is fixed on the middle part of pedestal 7, and the stress of guide rail 4 can be better balanced.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of big stroke precision is to bit platform, including moving platform and fixing seat, which is characterized in that the fixing seat is in annulus
Shape, the top slide of the fixing seat be connected with it is several can on the chuck of the fixing seat circumferentially rotated, each chuck
It is fixed with guide rail, slidably connects sliding block on each guide rail respectively, the top of each sliding block is rotatably connected to collar, each collar difference
It is set in the top of corresponding sliding block, each collar is rotatablely connected with the moving platform.
2. a kind of big stroke precision according to claim 1 is to bit platform, which is characterized in that the lateral surface of each chuck is in
Arc and each chuck mutually reclines with the inner wall of fixing seat.
3. a kind of big stroke precision according to claim 1 is to bit platform, which is characterized in that the top of the fixing seat has
There is the first boss in circular ring shape, all has sliding slot at the top of each chuck, the first boss is embedded in the sliding slot on each chuck
Interior, the inner wall of each sliding slot is arc-shaped and mutually reclines with the lateral surface of the first boss.
4. a kind of big stroke precision according to claim 1 is to bit platform, which is characterized in that all had at the top of each sliding block
Cylindrical second boss, each collar, which is respectively sleeved in corresponding second boss and rotates with corresponding second boss, to be connected
It connects.
5. a kind of big stroke precision according to claim 4 is to bit platform, which is characterized in that each collar and corresponding second
Boss is clearance fit.
6. a kind of big stroke precision according to claim 1 is to bit platform, which is characterized in that the bottom of each guide rail is fixed
There is pedestal, the middle part of each pedestal is fixedly connected with at the top of corresponding chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021650.2A CN110014403A (en) | 2018-01-10 | 2018-01-10 | A kind of big stroke precision is to bit platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021650.2A CN110014403A (en) | 2018-01-10 | 2018-01-10 | A kind of big stroke precision is to bit platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110014403A true CN110014403A (en) | 2019-07-16 |
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ID=67188061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810021650.2A Pending CN110014403A (en) | 2018-01-10 | 2018-01-10 | A kind of big stroke precision is to bit platform |
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| Country | Link |
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| CN (1) | CN110014403A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202742244U (en) * | 2012-05-03 | 2013-02-20 | 吴茂祥 | XY theta precision alignment platform |
| CN104240548A (en) * | 2014-09-04 | 2014-12-24 | 燕山大学 | Six-degree-of-freedom motion simulation platform with three composite drive branched chains |
| CN104827461A (en) * | 2015-04-27 | 2015-08-12 | 汕头大学 | Novel series-parallel hybrid robot |
| CN107336219A (en) * | 2017-07-04 | 2017-11-10 | 北京交通大学 | A kind of parallel institution that there are two movements three to rotate five degree of freedom |
| CN107520836A (en) * | 2017-09-08 | 2017-12-29 | 燕山大学 | A kind of big plane of rotation Three-degree-of-freedom motion platform |
| CN207747013U (en) * | 2018-01-10 | 2018-08-21 | 广州中国科学院先进技术研究所 | A kind of big stroke precision is to bit platform |
-
2018
- 2018-01-10 CN CN201810021650.2A patent/CN110014403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202742244U (en) * | 2012-05-03 | 2013-02-20 | 吴茂祥 | XY theta precision alignment platform |
| CN104240548A (en) * | 2014-09-04 | 2014-12-24 | 燕山大学 | Six-degree-of-freedom motion simulation platform with three composite drive branched chains |
| CN104827461A (en) * | 2015-04-27 | 2015-08-12 | 汕头大学 | Novel series-parallel hybrid robot |
| CN107336219A (en) * | 2017-07-04 | 2017-11-10 | 北京交通大学 | A kind of parallel institution that there are two movements three to rotate five degree of freedom |
| CN107520836A (en) * | 2017-09-08 | 2017-12-29 | 燕山大学 | A kind of big plane of rotation Three-degree-of-freedom motion platform |
| CN207747013U (en) * | 2018-01-10 | 2018-08-21 | 广州中国科学院先进技术研究所 | A kind of big stroke precision is to bit platform |
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