CN104179912B - A kind of device measuring ball screw assembly, ball moving state - Google Patents
A kind of device measuring ball screw assembly, ball moving state Download PDFInfo
- Publication number
- CN104179912B CN104179912B CN201410404227.2A CN201410404227A CN104179912B CN 104179912 B CN104179912 B CN 104179912B CN 201410404227 A CN201410404227 A CN 201410404227A CN 104179912 B CN104179912 B CN 104179912B
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- CN
- China
- Prior art keywords
- ball
- magnetic field
- field intensity
- sensor
- screw
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- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
-
- 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A kind of device measuring ball screw assembly, ball moving state, this device includes that ball-screw, feed screw nut, magnetic field intensity measure sensor, sensor fastening device, ball containing different magnetic field intensity；Specifically, feed screw nut is connected by ball screw assembly, with ball-screw, and sensor fastening device is bolted and is fixed on feed screw nut cylindrical circumference；Magnetic field intensity is measured sensor and is arranged on sensor fastening device；The ball of different magnetic field intensity is arranged in the raceway of feed screw nut.This apparatus structure is simple, compact, reliability is high, workable；And, sensor fastening device is installed by adjusting and at different ball screw assembly,s, the ball containing different magnetic field intensity is installed, the ball screw assembly, ball moving situation of different model can be measured, measure the ruuning situation of the ball screw assembly, ball of different model, provide theoretical foundation for design leading screw.
Description
Technical field
The present invention relates to a kind of device measuring ball screw assembly, ball moving state, belong to ball
The technical field that lead screw pair ball moving controls.
Background technology
Along with High Speed Computerized Numerical Control Machine Tools, precise treatment development, the precision stability to ball screw assembly,
Require more and more higher.In the precision stability problem of research ball screw assembly, topmost
Being that to study a question be the abrasion condition of lead screw pair, its critical component is leading screw, nut and ball.
Owing to the relative motion between leading screw and the nut of ball screw assembly, fully relies on Ball Transmission, and
And between leading screw and ball and between nut and ball, there is friction, the motion shape of research ball
State, can help to verify the frictional force between leading screw and ball and between nut and ball and friction
Moment, provides theoretical foundation for analyzing the abrasion condition of ball screw assembly,.For ball screw assembly,
The kinestate research of ball, scholar both domestic and external has carried out numerous studies, by literature search,
Not yet find the device measuring ball screw assembly, ball moving state.
Summary of the invention
The purpose of the present invention, in order to study the kinestate of the ball of ball screw assembly, devises survey
Determine the device of ball screw assembly, ball moving state, by measuring ball in leading screw operation process
Magnetic field change situation, according to the rotating speed of leading screw and the conversion frequency that measures ball magnetic field, permissible
Calculate the working order (speed of ball, frictional force and moment of friction) of ball.For standard
Really calculate ball working order, select under different operating mode, measure under different leading screw running speeds
The ruuning situation of ball, according to the abrasion condition of the interpretation of result ball-screw measured, for ball
Lead screw pair precision keeps providing theoretical foundation.
For achieving the above object, the technical solution used in the present invention is a kind of mensuration ball screw assembly,
The device of ball moving state, this device includes that ball-screw, feed screw nut, magnetic field intensity are surveyed
Quantity sensor, sensor fastening device, ball containing different magnetic field intensity；Specifically, silk
Thick stick nut is connected by ball screw assembly, with ball-screw, and sensor fastening device is by bolt even
Connect and be fixed on feed screw nut cylindrical circumference, described sensor fastening device and feed screw nut bolt
Connecting the motion platform of fixing structure cost apparatus, sensor fastening device can be with feed screw nut along rolling
Move in ballscrew direction, to prevent ball-screw rotation failure magnetic field intensity from measuring sensor；Magnetic
Field intensity is measured sensor and is arranged on sensor fastening device, and magnetic field intensity measures sensor
Hand of helix according to feed screw nut and helical pitch distance on sensor fastening device along its axle
To and circumferentially equidistant from installation；The described ball containing different magnetic field intensity is arranged on feed screw nut
In raceway, quantity is 1.
Compared with prior art, the present invention has the advantages that.
Compared to the device of current existing mensuration ball screw assembly, ball moving state, this device
Simple in construction, compact, reliability is high, workable；Further, by adjusting installation sensing
Device fixing device and install the ball containing different magnetic field intensity at different ball screw assembly, is permissible
Measure the ball screw assembly, ball moving situation of different model, measure the ball-screw of different model
The ruuning situation of secondary ball, provides theoretical foundation for design leading screw.
Accompanying drawing explanation
Fig. 1 is the front view that the present invention measures the device of ball screw assembly, ball moving state.
Fig. 2 is the A-A section view that the present invention measures the device of ball screw assembly, ball moving state
Figure.
In figure: 1, ball-screw, 2, nut, 3, magnetic field intensity measure sensor, 4, pass
Sensor fixing device, 5, ball containing different magnetic field intensity.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is further illustrated.
As shown in Figure 1-2, a kind of device measuring ball screw assembly, ball moving state, this dress
Put and include that ball-screw 1, feed screw nut 2, magnetic field intensity measurement sensor 3, sensor are solid
Determine device 4, ball 5 containing different magnetic field intensity；Specifically, feed screw nut 2 and ball
Leading screw 1 is connected by ball screw assembly, and sensor fastening device 4 is bolted and is fixed on
Feed screw nut 2 cylindrical circumference, described sensor fastening device 4 is with feed screw nut 2 with bolt even
Connecing the motion platform of fixing structure cost apparatus, sensor fastening device 4 can be with feed screw nut 2 edge
Move in ball-screw 1 direction, to prevent ball-screw 1 rotation failure magnetic field intensity from measuring sensing
Device 3；Magnetic field intensity is measured sensor 3 and is arranged on sensor fastening device 4, and magnetic field is strong
It is solid at sensor according to hand of helix and the helical pitch distance of feed screw nut 2 that degree measures sensor 3
Determine on device 4 axial and circumferentially equidistant from being uniformly distributed installation along it；Described strong containing different magnetic field
The ball 5 of degree is arranged in the raceway of feed screw nut, and quantity is 1.
For Accurate Determining ball kinestate in feed screw nut raceway, need to process one
The onesize outer surface ball 5 containing different magnetic field intensity, one that replaces ball screw assembly, general
Logical ball.The magnetic pole on ball 5 periphery containing different magnetic field intensity needs angularly upper edge
Embedding, multiple is 4 times, 6 times or the field pole of 8 times, containing the rolling of different magnetic field intensity
Pearl 5 puts into ball screw assembly, together with remaining ball, along with the rotation of leading screw, containing different magnetic field
The ball 5 of intensity operates in raceway, measures sensor 3 by magnetic field intensity and collects magnetic field
Signal, owing to ball rotates operating around leading screw in raceway, field signal is alternate, root
According to the rotating speed of leading screw with collect the frequency conversion of signal and can calculate the operating condition of ball, for rolling
The design of ballscrew pair is provided fundamental basis.
The magnetic in times magnetic field inlayed in decile angle by the described ball 5 containing different magnetic field intensity
Pole, when ball moves in raceway, different kinestate magnetic field intensities is measured sensor 3 and is adopted
The signal that collection arrives is different, owing to the magnetic pole strength inlayed is different, and the signal intensity gathered in motion
Also different, according to changes of magnetic field situation, the forms of motion of ball can be analyzed.Due to ball
The on-stream frictional force that exists, the on-stream abrasion that there is multi-form, in conjunction with the mill of ball
Change of magnetic field strength situation after damage, can be that ball screw assembly, precision stability provides theory to depend on
According to.
Claims (2)
1. the device measuring ball screw assembly, ball moving state, it is characterised in that: should
Device include ball-screw (1), feed screw nut (2), magnetic field intensity measure sensor (3),
Sensor fastening device (4), ball (5) containing different magnetic field intensity；Feed screw nut (2)
Being connected by ball screw assembly, with ball-screw (1), sensor fastening device (4) passes through spiral shell
Bolt be fastened on feed screw nut (2) cylindrical circumference, described sensor fastening device (4) with
Feed screw nut (2) is joined with bolts the motion platform of structure cost apparatus, and sensor is fixed
Device (4) can move along ball-screw (1) direction with feed screw nut (2), to prevent rolling
Ballscrew (1) rotation failure magnetic field intensity measures sensor (3)；Magnetic field intensity measures sensing
Device (3) is arranged on sensor fastening device (4), and magnetic field intensity measures sensor (3)
Hand of helix according to feed screw nut (2) and helical pitch distance are in sensor fastening device (4)
On axial and circumferentially equidistant from being uniformly distributed installation along it；The described ball containing different magnetic field intensity
(5) being arranged in the raceway of feed screw nut, quantity is 1；In order to Accurate Determining ball exists
Kinestate in feed screw nut raceway, needs to process an onesize outer surface containing different magnetic
The ball (5) of field intensity, replaces a plain ball of ball screw assembly,；Strong containing different magnetic field
Magnetic pole on ball (5) periphery of degree needs to inlay on angularly, and multiple is 4 times, 6
Times or the field pole of 8 times, the ball (5) containing different magnetic field intensity is with remaining ball
Put into ball screw assembly, together, along with the rotation of leading screw, the ball (5) containing different magnetic field intensity
Raceway operates, measures sensor (3) by magnetic field intensity and collect field signal, by
Rotating operating around leading screw in ball in raceway, field signal is alternate, according to leading screw
Rotating speed can calculate the operating condition of ball with the frequency conversion collecting signal, for ball screw assembly,
Design provide fundamental basis.
A kind of ball screw assembly, ball moving state of measuring the most according to claim 1
Device, it is characterised in that: the described ball containing different magnetic field intensity (5) is angularly being gone up
Inlay a times field pole, when ball moves in raceway, different kinestate magnetic field intensities
Measure the signal difference that sensor (3) collects, owing to the magnetic pole strength inlayed is different, fortune
The signal intensity that disorder of internal organs gathers is the most different, according to changes of magnetic field situation, can analyze ball
Forms of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410404227.2A CN104179912B (en) | 2014-08-15 | 2014-08-15 | A kind of device measuring ball screw assembly, ball moving state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410404227.2A CN104179912B (en) | 2014-08-15 | 2014-08-15 | A kind of device measuring ball screw assembly, ball moving state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104179912A CN104179912A (en) | 2014-12-03 |
| CN104179912B true CN104179912B (en) | 2016-08-17 |
Family
ID=51961170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410404227.2A Expired - Fee Related CN104179912B (en) | 2014-08-15 | 2014-08-15 | A kind of device measuring ball screw assembly, ball moving state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104179912B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109136885B (en) * | 2017-06-19 | 2020-11-10 | 北京北方华创微电子装备有限公司 | Coil adjusting mechanism, induction heating device and vapor deposition equipment |
| CN108875226B (en) * | 2018-06-26 | 2022-06-24 | 北京工业大学 | Ball screw pair random wear modeling method under dynamic fluctuation feeding rotating speed working condition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699911A (en) * | 2004-05-21 | 2005-11-23 | 丰田自动车株式会社 | Position detecting apparatus for actuator and variable valve lift mechanism for internal combustion engine |
| CN102261446A (en) * | 2010-05-13 | 2011-11-30 | 上银科技股份有限公司 | Transmission element with detection device |
| CN103174811A (en) * | 2013-01-22 | 2013-06-26 | 北京工业大学 | Pretightening force fine adjusting type ball screw nut |
| CN103968024A (en) * | 2014-04-14 | 2014-08-06 | 北京工业大学 | Ball screw pair capable of automatically adjusting pretightening force |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003075463A (en) * | 2001-09-05 | 2003-03-12 | Mitsubishi Heavy Ind Ltd | Three-dimensional movement measuring instrument for ball of ball screw |
| JP2005036906A (en) * | 2003-07-16 | 2005-02-10 | Nsk Ltd | Ball screw device |
| GB0508174D0 (en) * | 2005-04-22 | 2005-06-01 | Psimedica Ltd | Oral hygiene compositions |
-
2014
- 2014-08-15 CN CN201410404227.2A patent/CN104179912B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699911A (en) * | 2004-05-21 | 2005-11-23 | 丰田自动车株式会社 | Position detecting apparatus for actuator and variable valve lift mechanism for internal combustion engine |
| CN102261446A (en) * | 2010-05-13 | 2011-11-30 | 上银科技股份有限公司 | Transmission element with detection device |
| CN103174811A (en) * | 2013-01-22 | 2013-06-26 | 北京工业大学 | Pretightening force fine adjusting type ball screw nut |
| CN103968024A (en) * | 2014-04-14 | 2014-08-06 | 北京工业大学 | Ball screw pair capable of automatically adjusting pretightening force |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104179912A (en) | 2014-12-03 |
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Granted publication date: 20160817 Termination date: 20200815 |