CN103386674A - High-precision rotating platform - Google Patents
High-precision rotating platform Download PDFInfo
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- CN103386674A CN103386674A CN201310322915XA CN201310322915A CN103386674A CN 103386674 A CN103386674 A CN 103386674A CN 201310322915X A CN201310322915X A CN 201310322915XA CN 201310322915 A CN201310322915 A CN 201310322915A CN 103386674 A CN103386674 A CN 103386674A
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Abstract
The invention discloses a high-precision rotating platform, and is characterized in that a rotating member capable of rotating about an own axial lead is arranged on a fixed seat, so that an object table is fixed on the rotating member, a ball screw and a screw nut are arranged on the fixed seat, a driving component capable of driving the object table to rotate around the axial lead of the rotating member when moving along an axial direction of the ball screw is arranged on the screw nut, and linear motion of the screw nut is converted to rotating motion of the object table through the driving component, so that a position and an angle of a work piece to be processed on the object table can be adjusted conveniently. The high-precision rotating platform has the advantages of simple structure, convenience for use and higher precision, positional accuracy of a product to be processed on the object table is greatly improved, so that processing precision is effectively improved, and meanwhile, in comparison with a structure in the prior art, the high-precision rotating platform is not needed to be further provided with a high-precision bearing, so that cost is greatly reduced.
Description
Technical field
the present invention relates to a kind of high-precision rotary platform.
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Background technology
the processed product such as cell piece, circuit board, in print production, normally places it on processing platform and prints processing.Its machining accuracy in the position influence of processed product on processing platform.Yet, there is angular error owing to being fixed on platform by processed product, platform movement is still existed to angular deviation between processed product after the Working position of appointment and graphic arts die, this affects the machining accuracy of processed product largely.
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Summary of the invention
the objective of the invention is to overcome the shortcoming of prior art, a kind of high-precision rotary platform is provided, thereby the opposed articles holding table that is placed with processed product is rotated easily, improve the machining accuracy of processed product.
for achieving the above object, 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 comprises holder, can be arranged on rotatably the rotary part on described holder around the Pivot Point Center line, described articles holding table is fixed on described rotary part, be fixedly provided with motor on described holder, be connected with ball-screw the output shaft upper driving of described motor, be provided with ordinatedly feed screw nut on described ball-screw, be fixedly provided with on described feed screw nut and can when it moves vertically, drive the driven unit of described articles holding table around the axial line rotation of described rotary part.
preferably, described driven unit comprises the connecting plate that is arranged on regularly on described feed screw nut, is positioned at the drive rod on described connecting plate, the axial line of described drive rod and the axial line of described rotary part are parallel to each other, one end of described articles holding table is fixedly provided with fixed block, offer the groove penetrated vertically for described drive rod on described fixed block, described drive rod is located in described groove slippingly.
further preferably, described holder is provided with guide rail, and the length direction of described guide rail parallels setting with the axial line of described ball-screw, on described connecting plate, is fixedly provided with slide block, and described slide block is arranged on described guide rail slippingly.
further preferably, be fixedly provided with at least two guide rods on described fixed block, be equipped with slidably block on described guide rod, all be arranged with spring on described guide rod, conflict respectively between described block and described fixed block in the two ends of described spring, described block is kept out described drive rod on the cell wall of described groove.
preferably, described rotary part is the hollow circular cylinder shape, and described holder is provided with at least three bearing blocks, is provided with rotationally bearing on described bearing block, the week that a plurality of described bearings compartment of terrain is around in described rotary part, described bearing contacted with described rotary part phase line laterally.
further preferably, described bearing block has three, and accordingly, described bearing has three.
still more preferably, a described bearing block in three described bearing blocks is adjustable bearing base, described adjustable bearing base by the tensioning apparatus position-adjustable be located on described holder, described tensioning apparatus comprises the adjusting screw be threaded on described adjustable bearing base and described holder, being arranged with holddown spring on described adjusting screw, conflicts respectively on described holder and described adjustable bearing base in the two ends of described holddown spring.
preferably, also be fixedly provided with a plurality of supporting bases on described holder, on each described supporting base, be equipped with the support steel ball, the bottom of described articles holding table is fixedly provided with a plurality of gripper shoes, and a plurality of described gripper shoes are supported on a plurality of described support steel balls accordingly.
utilization due to technique scheme, the present invention compared with prior art has following advantages: a kind of high-precision rotary platform of the present invention, wherein can be around the rotary part of Pivot Point Center line rotation by establish one on holder, articles holding table is fixed on rotary part, ball-screw and feed screw nut are set on holder again, and arrange on feed screw nut and can drive at it the driven unit of articles holding table around the axial line rotation of rotary part during along the moving axially of ball-screw, by driven unit, the rectilinear motion of feed screw nut is converted into to rotatablely moving of articles holding table, thereby conveniently the workpiece to be processed on articles holding table is carried out to the adjustment of position angle.This rotation platform simple in structure, easy to use, and there is higher precision, can improve significantly the positional precision of processed product on articles holding table, thereby effectively improve its machining accuracy, simultaneously, this rotation platform structure compared to existing technology, it,, without high-precision bearing is set again, has reduced cost significantly.
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The accompanying drawing explanation
the overall structure schematic diagram one that accompanying drawing 1 is rotation platform of the present invention;
accompanying drawing 2 is A section enlarged diagram in accompanying drawing 1;
the overall structure that accompanying drawing 3 is rotation platform of the present invention (after removing articles holding table) schematic diagram two.
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The specific embodiment
below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is further elaborated.
shown in Fig. 1～3, articles holding table 1 is for putting processed product, rotation platform comprises holder 2, can be arranged on rotatably the rotary part 3 on holder 2 around the Pivot Point Center line, articles holding table 1 is fixed on rotary part 3, and the articles holding table 1 that rotarily drives of rotary part 3 is rotated around the axial line of rotary part 3.
shown in Figure 1, in the present embodiment, rotary part 3 is the hollow circular cylinder shape, be provided with three bearing blocks on holder 2, one of them bearing block is adjustable bearing base 18, and another two bearing blocks 16 are fixed on holder 2, on adjustable bearing base 18 and two bearing blocks 16, all is provided with rotationally bearing 17, the week that three even compartment of terrains of bearing 17 are around in rotary part laterally and bearing 17 with rotary part 3 phase lines, contact, so just rotary part 3 is located on holder 2 rotationally.Here, adjustable bearing base 18 by the tensioning apparatus position-adjustable be located on holder 2, above-mentioned tensioning apparatus comprises the adjusting screw 20 be threaded on adjustable bearing base 18 and holder 2, be arranged with holddown spring 19 on adjusting screw 20, conflict respectively on holder 2 and adjustable bearing base 18 in the two ends of holddown spring 19, adjust the thrust of 19 pairs of adjustable bearing bases 18 of holddown spring by adjusting adjusting screw 20, thereby the bearing 17 on adjustable bearing base 18 is pushed against on the outside perimembranous of rotary part 3, prevent from causing rotary part 3 position in rotary course to be offset because rotating rear generation gap, affect the rotation status of articles holding table 1 and the machining accuracy of workpiece to be processed.
shown in Fig. 1～3, the bottom of holder 2 is fixedly provided with motor 4, be connected with ball-screw 6 the output shaft upper driving of motor 4, be provided with ordinatedly feed screw nut 5 on ball-screw 6, be fixedly provided with on feed screw nut 5 and can drive at it the driven unit of articles holding table 1 around the axial line rotation of rotary part 3 during along the moving axially of ball-screw 6.Above-mentioned driven unit comprises the connecting plate 7 that is fixed on feed screw nut 5, is positioned at the drive rod 8 on connecting plate 7, the axial line of the axial line of drive rod 8 and rotary part 3 is parallel to each other, one end of articles holding table 1 is fixedly provided with fixed block 9, offer the groove 10 inserted vertically for drive rod 8 on fixed block 9, drive rod 8 is located in groove 10 slippingly.Like this, when motor 4 work, the output shaft of motor 4 drives ball-screw 6 rotations, feed screw nut 5 moves axially along ball-screw 6 thereupon, drive connecting plate 7, drive rod 8 along ball-screw 6 axial translations, drive rod 8 is conflicted on the cell wall of groove 10 and is promoted fixed block 9 and drives the axial line rotation of articles holding table 1 around rotary part 3.
shown in Fig. 1～3, also be provided with guide rail 14 on holder 2, the axial line of the length direction of guide rail 14 and ball-screw 6 is arranged in parallel, be fixedly provided with slide block 15 on connecting plate 7, slide block 15 is arranged on guide rail 14 slippingly, like this weight of the end of connecting plate 7 and articles holding table 1 acted on slide block 15, avoid causing because of its gravity the decline of ball-screw 6 and feed screw nut 5 precision.In the present embodiment, in order to make driven unit stably be driven articles holding table 1, be fixedly provided with two guide rods 11 on fixed block 9, all be arranged with spring 12 on two guide rods 11, also be equipped with slidably block 13 on two guide rods 11, conflict respectively on block 13 and fixed block 9 in the two ends of spring 12, block 13 is kept out drive rod 8 on the cell wall of groove 10 simultaneously, affects the precision of its rotation to avoid articles holding table 1 drive rod 8 in rotary course that skew occurs.
shown in Figure 1, when the size of articles holding table 1 is large or weight when larger, also need the limit section of articles holding table 1 is supported.Here realize in the following way: also be fixedly provided with a plurality of supporting bases 22 on holder 2, be equipped with on each supporting base 22 and support steel ball 23, the bottom of articles holding table 1 is fixedly provided with a plurality of gripper shoes 21, these a plurality of gripper shoes 21 are supported on respectively on above-mentioned a plurality of support steel ball 23 accordingly, here, supporting base 22, support steel ball 23 and be set to respectively four, these four supporting bases 22, thereby support on four angles that steel ball 23 is distributed in holder 2, four bights of articles holding table 1 are supported, gripper shoe 21 and to support between steel ball 23 frictional force little in rotary course, guaranteed that articles holding table 1 carries out smoothly around the rotation of rotary part 3.
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above-described embodiment is only explanation technical conceive of the present invention and characteristics; its purpose is to allow the person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (8)
1. a high-precision rotary platform, processed product is seated on articles holding table, it is characterized in that: described rotation platform comprises holder, can be arranged on rotatably the rotary part on described holder around the Pivot Point Center line, described articles holding table is fixed on described rotary part, be fixedly provided with motor on described holder, be connected with ball-screw the output shaft upper driving of described motor, be provided with ordinatedly feed screw nut on described ball-screw, be fixedly provided with on described feed screw nut and can when it moves vertically, drive the driven unit of described articles holding table around the axial line rotation of described rotary part.
2. a kind of high-precision rotary platform according to claim 1, it is characterized in that: described driven unit comprises the connecting plate that is arranged on regularly on described feed screw nut, is positioned at the drive rod on described connecting plate, the axial line of described drive rod and the axial line of described rotary part are parallel to each other, one end of described articles holding table is fixedly provided with fixed block, offer the groove penetrated vertically for described drive rod on described fixed block, described drive rod is located in described groove slippingly.
3. a kind of high-precision rotary platform according to claim 2, it is characterized in that: described holder is provided with guide rail, the length direction of described guide rail parallels setting with the axial line of described ball-screw, be fixedly provided with slide block on described connecting plate, described slide block is arranged on described guide rail slippingly.
4. a kind of high-precision rotary platform according to claim 2, it is characterized in that: be fixedly provided with at least two guide rods on described fixed block, be equipped with slidably block on described guide rod, all be arranged with spring on described guide rod, conflict respectively between described block and described fixed block in the two ends of described spring, described block is kept out described drive rod on the cell wall of described groove.
5. a kind of high-precision rotary platform according to claim 1, it is characterized in that: described rotary part is the hollow circular cylinder shape, described holder is provided with at least three bearing blocks, be provided with rotationally bearing on described bearing block, the week that a plurality of described bearings compartment of terrain is around in described rotary part, described bearing contacted with described rotary part phase line laterally.
6. a kind of high-precision rotary platform according to claim 5, it is characterized in that: described bearing block has three, and accordingly, described bearing has three.
7. a kind of high-precision rotary platform according to claim 6, it is characterized in that: a described bearing block in three described bearing blocks is adjustable bearing base, described adjustable bearing base by the tensioning apparatus position-adjustable be located on described holder, described tensioning apparatus comprises the adjusting screw be threaded on described adjustable bearing base and described holder, being arranged with holddown spring on described adjusting screw, conflicts respectively on described holder and described adjustable bearing base in the two ends of described holddown spring.
8. a kind of high-precision rotary platform according to claim 1, it is characterized in that: also be fixedly provided with a plurality of supporting bases on described holder, be equipped with the support steel ball on each described supporting base, the bottom of described articles holding table is fixedly provided with a plurality of gripper shoes, and a plurality of described gripper shoes are supported on a plurality of described support steel balls accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310322915.XA CN103386674B (en) | 2013-07-29 | 2013-07-29 | A kind of high-precision rotary platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310322915.XA CN103386674B (en) | 2013-07-29 | 2013-07-29 | A kind of high-precision rotary platform |
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| CN103386674A true CN103386674A (en) | 2013-11-13 |
| CN103386674B CN103386674B (en) | 2016-08-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842328A (en) * | 2015-04-29 | 2015-08-19 | 苏州锟恩电子科技有限公司 | Efficient locating operating platform for 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 |
| CN106205739A (en) * | 2016-06-30 | 2016-12-07 | 马鞍山钢铁股份有限公司 | A kind of rotary apparatus 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 |
| CN108858076A (en) * | 2018-04-28 | 2018-11-23 | 中国电子科技集团公司第二研究所 | The accurate rotating and regulating mechanism of the low-angle of heavy load turntable and its assembly method |
| CN112357488A (en) * | 2020-11-16 | 2021-02-12 | 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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| 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 |
| CN201565746U (en) * | 2009-11-27 | 2010-09-01 | 青特集团有限公司 | Self-centering jig of automatic circular welder |
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| CN102528481A (en) * | 2011-12-26 | 2012-07-04 | 宁波明和数控机械制造有限公司 | Adjustable centering clamp for numerical control machine |
| 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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2013
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| 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 |
| KR100612735B1 (en) * | 2005-03-03 | 2006-08-21 | 세화금속공업주식회사 | Grinding stand |
| 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 |
| CN201565746U (en) * | 2009-11-27 | 2010-09-01 | 青特集团有限公司 | Self-centering jig of automatic circular welder |
| CN102109765A (en) * | 2009-12-25 | 2011-06-29 | 上海微电子装备有限公司 | Rotating platform |
| 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 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842328A (en) * | 2015-04-29 | 2015-08-19 | 苏州锟恩电子科技有限公司 | Efficient locating operating platform for 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 |
| CN106205739A (en) * | 2016-06-30 | 2016-12-07 | 马鞍山钢铁股份有限公司 | A kind of rotary apparatus rotary part running accuracy correcting device |
| 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 |
| CN108858076A (en) * | 2018-04-28 | 2018-11-23 | 中国电子科技集团公司第二研究所 | The accurate rotating and regulating mechanism of the low-angle of heavy load turntable and its assembly method |
| 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 |
| CN112357488A (en) * | 2020-11-16 | 2021-02-12 | 哈尔滨工程大学 | Universal support device for butt joint of auxiliary platform and transfer system with same |
| 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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| Publication number | Publication date |
|---|---|
| CN103386674B (en) | 2016-08-10 |
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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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