CN103386674B - A kind of high-precision rotary platform - Google Patents
A kind of high-precision rotary platform Download PDFInfo
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- CN103386674B CN103386674B CN201310322915.XA CN201310322915A CN103386674B CN 103386674 B CN103386674 B CN 103386674B CN 201310322915 A CN201310322915 A CN 201310322915A CN 103386674 B CN103386674 B CN 103386674B
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- fixing seat
- holding table
- articles holding
- rotary part
- bearing
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Abstract
The invention discloses a kind of high-precision rotary platform, wherein by setting a rotary part that can rotate around Pivot Point Center line on fixing seat, articles holding table is fixed on rotary part, ball-screw and feed screw nut are set on fixing seat again, and on feed screw nut arrange can its along ball-screw when moving axially drive articles holding table around rotary part axial line rotate driving assembly, by driving assembly to be the rotary motion of articles holding table by the transform linear motion of feed screw nut, thus convenient to the adjustment that the workpiece to be processed on articles holding table is carried out position angle.The simple in construction of this rotation platform, easy to use, and there is higher precision, articles holding table on the positional precision of processed product can be significantly increased, thus it is effectively improved its machining accuracy, and meanwhile, this rotation platform structure compared to existing technology, it, without arranging high-precision bearing again, has been greatly reduced cost.
Description
Technical field
The present invention relates to
A kind of high-precision rotary platform.
Background technology
The processed product such as cell piece, circuit board is in print production, it is common that places it in and carries out printing processing on processing platform.Processed product position on processing platform affects its machining accuracy.But, there is angular error during owing to being fixed on platform by processed product, platform is moved to the Working position specified and between processed product and graphic arts die, still suffer from angular deviation, this affects the machining accuracy of processed product largely.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that
A kind of high-precision rotary platform, thus the most opposed articles holding table being placed with processed product rotates, and improves the machining accuracy of processed product.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of high-precision rotary platform, processed product is seated on articles holding table, described rotation platform includes fixing seat, can be rotatably disposed at the rotary part on described fixing seat around Pivot Point Center line, described articles holding table is fixed on described rotary part, it is fixedly provided with motor on described fixing seat, drivingly connect on the output shaft of described motor and have ball-screw, it is provided with feed screw nut on described ball-screw ordinatedly, described feed screw nut is fixedly provided with the driving assembly that described articles holding table can be driven when it is axially moveable around the axial line rotation of described rotary part.
Preferably,
Described driving assembly includes the connecting plate being fixedly provided on described feed screw nut, the drive rod being positioned on described connecting plate, the axial line of described drive rod is parallel to each other with the axial line of described rotary part, one end of described articles holding table is fixedly provided with fixed block, offering the groove penetrated vertically for described drive rod on described fixed block, described drive rod is located in described groove slippingly.
It is further preferred that
Described fixing seat is provided with guide rail, and the length direction of described guide rail parallels setting with the axial line of described ball-screw, and described connecting plate is fixedly provided with slide block, and described slide block is arranged on described guide rail slippingly.
It is further preferred that
At least two guide rods it are fixedly provided with on described fixed block, block it is equipped with slidably on described guide rod, all being arranged with spring on described guide rod, the two ends of described spring are conflicted respectively between described block and described fixed block, and described drive rod is kept out on the cell wall of described groove by described block.
Preferably,
Described rotary part is hollow circular cylinder shape, described fixing seat is provided with at least three bearing block, it is rotatably provided with bearing on described bearing block, encloses the outer circumferential being located at described rotary part, described bearing and described rotary part phase linear contact lay multiple described bearing spacer.
It is further preferred that
Described bearing block has three, and accordingly, described bearing has three.
It is further preferred that
A described bearing block in three described bearing blocks is adjustable bearing base, described adjustable bearing base is located on described fixing seat by tensioner position-adjustable, described tensioner includes being threaded in described adjustable bearing base and the adjusting screw on described fixing seat, being arranged with holddown spring on described adjusting screw, conflicts respectively on described fixing seat and described adjustable bearing base in the two ends of described holddown spring.
Preferably,
Also being fixedly provided with multiple bearings on described fixing seat, each described bearing is equipped with support steel ball, the bottom of described articles holding table is fixedly provided with multiple gripper shoe, and multiple described gripper shoes are supported on multiple described support steel ball accordingly.
Utilization due to technique scheme, the present invention compared with prior art has the advantage that a kind of high-precision rotary platform of the present invention, wherein by setting a rotary part that can rotate around Pivot Point Center line on fixing seat, articles holding table is fixed on rotary part, ball-screw and feed screw nut are set on fixing seat again, and on feed screw nut arrange can its along ball-screw when moving axially drive articles holding table around rotary part axial line rotate driving assembly, by driving assembly to be the rotary motion of articles holding table by the transform linear motion of feed screw nut, thus it is convenient to the adjustment that the workpiece to be processed on articles holding table is carried out position angle.The simple in construction of this rotation platform, easy to use, and there is higher precision, it is possible to significantly
Improving the positional precision of processed product on articles holding table, thus be effectively improved its machining accuracy, meanwhile, this rotation platform structure compared to existing technology, it, without arranging high-precision bearing again, has been greatly reduced cost.
Accompanying drawing explanation
Accompanying drawing
1
Overall structure schematic diagram one for the rotation platform of the present invention；
Accompanying drawing
2
For accompanying drawing
1
In
A
Portion's enlarged diagram；
Accompanying drawing
3
Overall structure (after removing articles holding table) schematic diagram two for the rotation platform of the present invention.
Detailed description of the invention
With specific embodiment, technical scheme is further elaborated below in conjunction with the accompanying drawings.
See figure
1
~
3
Shown in, articles holding table
1
For putting processed product, rotation platform includes fixing seat
2
, fixing seat can be rotatably disposed at around Pivot Point Center line
2
On rotary part
3
, articles holding table
1
It is fixed on rotary part
3
On, rotary part
3
Rotarily drive articles holding table
1
Around rotary part
3
Axial line rotate.
See figure
1
Shown in, in the present embodiment, rotary part
3
For hollow circular cylinder shape, at fixing seat
2
Being provided with three bearing blocks, one of them bearing block is adjustable bearing base
18
, another two bearing block
16
It is fixed on fixing seat
2
On, adjustable bearing base
18
And two bearing blocks
16
On be all rotatably provided with bearing
17
, three bearings
17
It is evenly spaced apart to enclose outer circumferential and the bearing being located at rotary part
17
With rotary part
3
Phase linear contact lay, the most just by rotary part
3
It is rotatably arranged in fixing seat
2
On.Here, adjustable bearing base
18
It is located at fixing seat by tensioner position-adjustable
2
On, above-mentioned tensioner includes being threaded in adjustable bearing base
18
With fixing seat
2
On adjusting screw
20
, adjusting screw
20
On be arranged with holddown spring
19
, holddown spring
19
Two ends conflict respectively at fixing seat
2
And adjustable bearing base
18
On, by adjusting adjusting screw
20
Adjust holddown spring
19
To adjustable bearing base
18
Thrust, thus by adjustable bearing base
18
On bearing
17
It is pushed against rotary part
3
Outside perimembranous on, prevent because of rotate after occur gap and cause rotary part
3
In rotary course, position offsets, and affects articles holding table
1
Rotation status and the machining accuracy of workpiece to be processed.
See figure
1
~
3
Shown in, fixing seat
2
Bottom be fixedly provided with motor
4
, motor
4
Output shaft on drivingly connect have ball-screw
6
, ball-screw
6
On be provided with feed screw nut ordinatedly
5
, feed screw nut
5
On be fixedly provided with can be at it along ball-screw
6
When moving axially drive articles holding table
1
Around rotary part
3
Axial line rotate driving assembly.Above-mentioned driving assembly includes being fixed on feed screw nut
5
On connecting plate
7
, be positioned at connecting plate
7
On drive rod
8
, drive rod
8
Axial line and rotary part
3
Axial line be parallel to each other, articles holding table
1
One end be fixedly provided with fixed block
9
, fixed block
9
On offer for drive rod
8
The groove being axially inserted into
10
, drive rod
8
It is located in groove slippingly
10
In.So, motor is worked as
4
During work, motor
4
Output shaft drive ball-screw
6
Rotate, feed screw nut
5
Therewith along ball-screw
6
Move axially, drive connecting plate
7
, drive rod
8
Along ball-screw
6
Axial translation, drive rod
8
Conflict at groove
10
Cell wall on and promote fixed block
9
Drive articles holding table
1
Around rotary part
3
Axial line rotate.
See figure
1
~
3
Shown in, at fixing seat
2
On be additionally provided with guide rail
14
, guide rail
14
Length direction and ball-screw
6
Axial line arranged in parallel, connecting plate
7
On be fixedly provided with slide block
15
, slide block
15
It is arranged on guide rail slippingly
14
On, so to connecting plate
7
And articles holding table
1
The weight of end act on slide block
15
On, it is to avoid cause ball-screw because of its gravity
6
And feed screw nut
5
The decline of precision.In the present embodiment, so that drive assembly stably to articles holding table
1
It is driven, fixed block
9
On be fixedly provided with two guide rods
11
, two guide rods
11
On be all arranged with spring
12
, two guide rods
11
On be equipped with block the most slidably
13
, spring
12
Two ends conflict respectively at block
13
With fixed block
9
On, block
13
Simultaneously by drive rod
8
Keep out at groove
10
Cell wall on, to avoid articles holding table
1
Drive rod in rotary course
8
Skew is occurred to affect its precision rotated.
See figure
1
Shown in, work as articles holding table
1
Size relatively big or time weight is bigger, in addition it is also necessary to articles holding table
1
Edge be supported.Realize the most in the following way: fixing seat
2
On be also fixedly provided with multiple bearings
22
, each bearing
22
On be equipped with support steel ball
23
, articles holding table
1
Bottom be fixedly provided with multiple gripper shoe
21
, these multiple gripper shoes
21
Respectively correspondingly it is supported on above-mentioned multiple support steel ball
23
On, here, a bearing
22
, support steel ball
23
It is respectively set to four, these four bearings
22
, support steel ball
23
It is distributed in fixing seat
2
Four angles on thus to articles holding table
1
Four corners be supported, gripper shoe in rotary course
21
With support steel ball
23
Between frictional force little, it is ensured that articles holding table
1
Around rotary part
3
Rotation be smoothed out.
Above-described embodiment is only for technology design and the feature of the explanation present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to be carried out; can not limit the scope of the invention with this; all equivalence changes made according to spirit of the invention or modification, all should contain within the scope of the present invention.
Claims (4)
- null1. a high-precision rotary platform，Processed product is seated on articles holding table，It is characterized in that: described rotation platform includes fixing seat、The rotary part on described fixing seat can be rotatably disposed at around Pivot Point Center line，Described articles holding table is fixed on described rotary part，It is fixedly provided with motor on described fixing seat，Drivingly connect on the output shaft of described motor and have ball-screw，Feed screw nut it is provided with ordinatedly on described ball-screw，The driving assembly that described articles holding table can be driven when it is axially moveable around the axial line rotation of described rotary part it is fixedly provided with on described feed screw nut，Described rotary part is hollow circular cylinder shape，Described fixing seat is provided with three bearing blocks，Bearing all it is rotatably provided with on each described bearing block，Three described bearing spacer ground enclose the outer circumferential being located at described rotary part，Described bearing and described rotary part phase linear contact lay，Wherein，A described bearing block in three described bearing blocks is adjustable bearing base，Described driving assembly includes the connecting plate being fixedly provided on described feed screw nut, it is positioned at the drive rod on described connecting plate, the axial line of described drive rod is parallel to each other with the axial line of described rotary part, one end of described articles holding table is fixedly provided with fixed block, the groove penetrated vertically for described drive rod is offered on described fixed block, described drive rod is located in described groove slippingly, at least two guide rods it are fixedly provided with on described fixed block, block it is equipped with slidably on described guide rod, spring all it is arranged with on described guide rod, the two ends of described spring are conflicted respectively between described block and described fixed block, described drive rod is kept out on the cell wall of described groove by described block.
- A kind of high-precision rotary platform the most according to claim 1, it is characterized in that: described fixing seat is provided with guide rail, the length direction of described guide rail parallels setting with the axial line of described ball-screw, being fixedly provided with slide block on described connecting plate, described slide block is arranged on described guide rail slippingly.
- A kind of high-precision rotary platform the most according to claim 1, it is characterized in that: described adjustable bearing base is located on described fixing seat by tensioner position-adjustable, described tensioner includes being threaded in described adjustable bearing base and the adjusting screw on described fixing seat, being arranged with holddown spring on described adjusting screw, conflicts respectively on described fixing seat and described adjustable bearing base in the two ends of described holddown spring.
- A kind of high-precision rotary platform the most according to claim 1, it is characterized in that: on described fixing seat, be also fixedly provided with multiple bearings, it is equipped with support steel ball in each described bearing, the bottom of described articles holding table is fixedly provided with multiple gripper shoe, and multiple described gripper shoes are supported on multiple described support steel ball accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322915.XA CN103386674B (en) | 2013-07-29 | 2013-07-29 | A kind of high-precision rotary platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322915.XA CN103386674B (en) | 2013-07-29 | 2013-07-29 | A kind of high-precision rotary platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103386674A CN103386674A (en) | 2013-11-13 |
| CN103386674B true CN103386674B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310322915.XA Active CN103386674B (en) | 2013-07-29 | 2013-07-29 | A kind of high-precision rotary platform |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842328B (en) * | 2015-04-29 | 2017-06-16 | 苏州锟恩电子科技有限公司 | A kind of efficient positioning table of circuit board |
| CN105116835A (en) * | 2015-06-24 | 2015-12-02 | 苏州光宝康电子有限公司 | Angle rotation correction device for LCD machining platform |
| CN106205739B (en) * | 2016-06-30 | 2018-09-14 | 马鞍山钢铁股份有限公司 | A kind of rotating device rotary part running accuracy correcting device |
| CN107639606A (en) * | 2017-10-17 | 2018-01-30 | 佛山科学技术学院 | A kind of rotation platform |
| CN108858076B (en) * | 2018-04-28 | 2023-04-18 | 中国电子科技集团公司第二研究所 | Small-angle accurate rotation adjusting mechanism of heavy-load turntable and assembling method thereof |
| CN112357488B (en) * | 2020-11-16 | 2021-10-19 | 哈尔滨工程大学 | Universal support device for butt joint of auxiliary platform and transfer system with same |
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| KR100612735B1 (en) * | 2005-03-03 | 2006-08-21 | 세화금속공업주식회사 | Grinding stand |
| CN201565746U (en) * | 2009-11-27 | 2010-09-01 | 青特集团有限公司 | Self-centering jig of automatic circular welder |
| CN101954746A (en) * | 2010-06-04 | 2011-01-26 | 张家港市贝尔机械有限公司 | Three-point positioning centering mechanism |
| CN201799801U (en) * | 2010-07-19 | 2011-04-20 | 杭州凯尔达电焊机有限公司 | Pneumatic clamping and centering device |
| CN201950665U (en) * | 2010-12-16 | 2011-08-31 | 保定天威集团有限公司 | Scriber |
| CN102528481B (en) * | 2011-12-26 | 2015-05-20 | 宁波明和数控机械制造有限公司 | Adjustable centering clamp for numerical control machine |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2108833A (en) * | 1981-11-10 | 1983-05-25 | Stockwell And Bax Limited | Worktables |
| CN2617232Y (en) * | 2003-03-14 | 2004-05-26 | 马合生 | Automatic double-layer rotary disc |
| CN201133554Y (en) * | 2007-11-28 | 2008-10-15 | 北京清大天达光电科技有限公司 | Jiggling precision rotating platform device |
| CN102109765A (en) * | 2009-12-25 | 2011-06-29 | 上海微电子装备有限公司 | Rotating platform |
| CN201848844U (en) * | 2010-10-18 | 2011-06-01 | 杭州南方环境净化设备有限公司 | Rotary workbench |
| CN202878283U (en) * | 2012-10-22 | 2013-04-17 | 川开电气股份有限公司 | Rotating tool frame |
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| Publication number | Publication date |
|---|---|
| CN103386674A (en) | 2013-11-13 |
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| CB02 | Change of applicant information |
Address after: Wujiang City, Suzhou City, Jiangsu Province Economic Development Zone 215200 Pang Pang Jin Fang Jin Road No. 1801 industrial building D02 Applicant after: Suzhou Maxwell Technologies Co., Ltd. Address before: Wujiang City, Suzhou City, Jiangsu province 215200 Economic Development Zone No. 1801 road Pang Pang Jin Industrial Square 9 Applicant before: Wujiang Maxwell Technology Co., Ltd. |
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