CN103528529A - Detection device of stroke deviation and stroke variation of nut-driven ball screw pair - Google Patents
Detection device of stroke deviation and stroke variation of nut-driven ball screw pair Download PDFInfo
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- CN103528529A CN103528529A CN201310506244.2A CN201310506244A CN103528529A CN 103528529 A CN103528529 A CN 103528529A CN 201310506244 A CN201310506244 A CN 201310506244A CN 103528529 A CN103528529 A CN 103528529A
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- nut
- stroke
- ball screw
- screw
- leading screw
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Abstract
The invention relates to the field of nut-driven ball screw pairs, in particular to a detection device of stroke deviation and stroke variation of a nut-driven ball screw pair. The detection device comprises an optical stroke measurement device and an angle measurement device; the nut-driven ball screw pair comprises a nut drive combination, a screw, a pair of fixed clamp devices, a workbench and a stand; the screw is fixedly arranged on the stand by the fixed clamp devices; the screw is sleeved with the nut drive combination; the workbench is connected with the nut drive combination; the nut drive combination rotates around the screw by the action of an external drive mechanism and simultaneously drives the workbench to move linearly along a spindle of the screw; the angle measurement device is fixedly arranged on the nut drive unit and used for measuring a rotation angle of the nut drive combination around the screw; and the optical stroke measurement device is fixedly arranged on one fixed clamp device, is opposite to the workbench and is used for measuring a linear movement distance of the workbench along the spindle of the screw.
Description
Technical field
The present invention relates to the driving ball screw assembly, of nut field, is especially the pick-up unit of the driving ball screw assembly, deviation of stroke of a kind of nut and stroke variation.
Background technology
Now widely used traditional ball screw assembly, is to be driven by leading screw, drives nut to do rectilinear motion (hereinafter to be referred as the driving ball screw assembly, of leading screw).In order to solve the large problem of large-scale ball-screw moment of inertia, the increasing driving ball screw assembly, of nut is used, and the ball screw assembly, of the type has the advantages that inertia is low, rigidity is high, and design and installation is simple.
But, for the detection of the stroke accuracy of the driving ball screw assembly, of nut, there is no at home relevant criterion and method, and according to the examination criteria of the driving ball screw assembly, of leading screw, to detect be obviously science and inaccurate not.
Summary of the invention
The object of the invention is to solve the deviation of stroke of the driving ball screw assembly, of nut and the test problems of stroke variation, and the pick-up unit of the driving ball screw assembly, deviation of stroke of a kind of nut and stroke variation is provided, and specifically by following technical scheme, is realized.
The pick-up unit of the driving ball screw assembly, deviation of stroke of a kind of nut and stroke variation, be connected with the driving ball screw assembly, of nut, comprise optics stroke measuring device and angle measurement unit, the driving ball screw assembly, of described nut comprises that nut drives combination, leading screw, a pair of fixed clamping device, worktable and support, described leading screw is fixedly installed on support by fixed clamping device, described nut drives combination to be set on leading screw, described worktable and nut drive and are connected, described nut drives under the effect that is combined in external drive mechanism when wrapping wire thick stick rotates and drives worktable along the major axes orientation traveling priority of leading screw, described angle measurement unit is fixedly installed on described nut driver element, the angle that drives combination wrapping wire thick stick to rotate in order to measure nut, described optics stroke measuring device is fixedly installed on fixed clamping device and is relative with described worktable, the distance in order to surveying work platform along leading screw main shaft traveling priority.
The deviation of stroke of the described driving ball screw assembly, of nut and the pick-up unit of stroke variation, it further designs and is that described angle measurement unit is for accurate circle grating or magnetic grid, and described optics stroke measuring device is two-frequency laser interferometer or grating.
The present invention can truly reflect the type lead screw pair whole system stroke accuracy of (comprising bearing, sealing etc.), facilitates the actual use of user.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is A-A view profile shown in Fig. 1.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the present invention is further described.
The pick-up unit of the driving ball screw assembly, deviation of stroke of this nut and stroke variation is connected with the driving ball screw assembly, of nut, comprise optics stroke measuring device 1 and angle measurement unit 2, the driving ball screw assembly, 3 of nut comprises that nut drives combination 31, leading screw 32, a pair of fixed clamping device 33, worktable 34 and support 35, leading screw 32 is fixedly installed on support by fixed clamping device 33, nut drives combination 31 to be set on leading screw 32, worktable 34 drives combination 31 to be connected with nut, nut drives combination 31 wrapping wire thick stick 32 under motor 36 drives to drive worktable 34 along the major axes orientation traveling priority of leading screw 32 when rotating, angle measurement unit 2 is fixedly installed on nut and drives in combination 31, the angle that drives combination 31 wrapping wire thick sticks 32 to rotate in order to measure nut, optics stroke measuring device 1 is fixedly installed on fixed clamping device 33 and is relative with worktable 34, the distance in order to surveying work platform along leading screw main shaft traveling priority.Angle measurement unit is accurate circle grating or magnetic grid, and optics stroke measuring device is two-frequency laser interferometer or grating.
The present invention can carry out dynamically and static measurement the stroke accuracy measurement of the driving ball screw assembly, of nut, and concrete grammar is as follows.
1,
detection of dynamic
Starter motor drives nut to drive combination rotation by Timing Belt, thereby drives worktable to do rectilinear motion, and the data synchronization processing that optics stroke measuring device and angle measurement unit are obtained, just can show that this nut drives the dynamic helical pitch precision combining.
2, Static Detection
Starter motor drives nut to drive combination rotation by Timing Belt, thereby drive worktable to do rectilinear motion, by control system and angle measurement unit, accurately controlling nut rotates to an angle, then by optics stroke measuring device, obtain stroke variation, thus helical pitch precision that can each helical pitch of static measurement.
The present invention can truly reflect the type lead screw pair whole system stroke accuracy of (comprising bearing, sealing etc.), facilitates the actual use of user.
Claims (2)
1. the pick-up unit of the driving ball screw assembly, deviation of stroke of nut and stroke variation, be connected with the driving ball screw assembly, of nut, it is characterized in that comprising optics stroke measuring device and angle measurement unit, the driving ball screw assembly, of described nut comprises that nut drives combination, leading screw, a pair of fixed clamping device, worktable and support, described leading screw is fixedly installed on support by fixed clamping device, described nut drives combination to be set on leading screw, described worktable and nut drive and are connected, described nut drives under the effect that is combined in external drive mechanism when wrapping wire thick stick rotates and drives worktable along the major axes orientation traveling priority of leading screw, described angle measurement unit is fixedly installed on described nut driver element, the angle that drives combination wrapping wire thick stick to rotate in order to measure nut, described optics stroke measuring device is fixedly installed on fixed clamping device and is relative with described worktable, the distance in order to surveying work platform along leading screw main shaft traveling priority.
2. the deviation of stroke of the driving ball screw assembly, of nut according to claim 1 and the pick-up unit of stroke variation, it is characterized in that described angle measurement unit is for accurate circle grating or magnetic grid, described optics stroke measuring device is two-frequency laser interferometer or grating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506244.2A CN103528529A (en) | 2013-10-24 | 2013-10-24 | Detection device of stroke deviation and stroke variation of nut-driven ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506244.2A CN103528529A (en) | 2013-10-24 | 2013-10-24 | Detection device of stroke deviation and stroke variation of nut-driven ball screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103528529A true CN103528529A (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310506244.2A Pending CN103528529A (en) | 2013-10-24 | 2013-10-24 | Detection device of stroke deviation and stroke variation of nut-driven ball screw pair |
Country Status (1)
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| CN (1) | CN103528529A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091630A (en) * | 2017-01-18 | 2017-08-25 | 浙江精久轴承工业有限公司 | A kind of ball screw pitch detection and uniform decision maker and method |
| CN109682592A (en) * | 2019-02-22 | 2019-04-26 | 常熟理工学院 | Recycle the feed screw nut self-locking performance detection device of lead screw |
| CN115373433A (en) * | 2022-10-25 | 2022-11-22 | 季华实验室 | Turntable motion compensation method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0996348A (en) * | 1995-09-29 | 1997-04-08 | Amada Eng Center:Kk | Movement and positioning mechanism |
| CN102175450A (en) * | 2010-12-30 | 2011-09-07 | 大连高金数控集团有限公司 | Device for detecting comprehensive performance of high-speed precision ball screw pair |
| CN102620929A (en) * | 2012-03-15 | 2012-08-01 | 南京理工大学 | Device and method for testing precision retaining ability of ball screw assembly |
| CN203501983U (en) * | 2013-10-24 | 2014-03-26 | 南京工艺装备制造有限公司 | Detection apparatus for stroke deviation and stroke variation of nut driving ball screw assembly |
-
2013
- 2013-10-24 CN CN201310506244.2A patent/CN103528529A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0996348A (en) * | 1995-09-29 | 1997-04-08 | Amada Eng Center:Kk | Movement and positioning mechanism |
| CN102175450A (en) * | 2010-12-30 | 2011-09-07 | 大连高金数控集团有限公司 | Device for detecting comprehensive performance of high-speed precision ball screw pair |
| CN102620929A (en) * | 2012-03-15 | 2012-08-01 | 南京理工大学 | Device and method for testing precision retaining ability of ball screw assembly |
| CN203501983U (en) * | 2013-10-24 | 2014-03-26 | 南京工艺装备制造有限公司 | Detection apparatus for stroke deviation and stroke variation of nut driving ball screw assembly |
Non-Patent Citations (2)
| Title |
|---|
| 孟兆新 等: "丝杠精度动态检测***设计及其不确定度分析", 《大连交通大学学报》, vol. 31, no. 1, 28 February 2010 (2010-02-28) * |
| 牟世刚: "高速螺母驱动型滚珠丝杠副动力学特性研究", 《中国博士学位论文全文数据库 工程科技Ⅱ辑》, no. 10, 15 October 2013 (2013-10-15) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091630A (en) * | 2017-01-18 | 2017-08-25 | 浙江精久轴承工业有限公司 | A kind of ball screw pitch detection and uniform decision maker and method |
| CN109682592A (en) * | 2019-02-22 | 2019-04-26 | 常熟理工学院 | Recycle the feed screw nut self-locking performance detection device of lead screw |
| CN115373433A (en) * | 2022-10-25 | 2022-11-22 | 季华实验室 | Turntable motion compensation method, device, equipment and storage medium |
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Application publication date: 20140122 |