CN110207983A - A kind of lead screw guide rails reverser reliability test bench - Google Patents
A kind of lead screw guide rails reverser reliability test bench Download PDFInfo
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- CN110207983A CN110207983A CN201910474769.XA CN201910474769A CN110207983A CN 110207983 A CN110207983 A CN 110207983A CN 201910474769 A CN201910474769 A CN 201910474769A CN 110207983 A CN110207983 A CN 110207983A
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- tested
- chuck
- lead screw
- floral disc
- reverser
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- 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
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of lead screw guide rails reverser reliability test bench, including testing stand, driving mechanism, floral disc, supporting guide, support slipper, the first chuck, the second chuck, test cell；Driving mechanism, supporting guide, the second chuck are each attached on experimental bench.By bearing support, one end is fixed by bolt and the second chuck between the first chuck, the second chuck, and wherein at tested lead screw both ends.Floral disc is arranged between the first chuck and the second chuck, for installing the tested screw of multiple and different specifications；Floral disc lower end is connected with support slipper and multiple tested sliding blocks；Driving mechanism is connected with floral disc, for driving tested screw to move back and forth along tested lead screw, tested sliding block along tested guide rail；Test cell is arranged on floral disc, for recording the variation of acceleration and the Vibration Condition of tested lead screw, tested sliding block.The present invention can drive multiple ball-screws, guide rail simultaneously, while carry out the reliability test of different size ball-screw reverser, and test efficiency is high.
Description
Technical field
The invention belongs to ball-screw reliability test field, especially a kind of lead screw guide rails reverser reliability test
Platform.
Background technique
Ball screw assembly, is the straight spur unit of a kind of high-precision, high efficiency and high service life, is widely used in
The fields such as lathe, automobile and aerospace, service life and service performance reliability are extremely important.Ball-screw is mainly by silk
The composition such as thick stick, ball, nut, there are two types of the common endless form of feed screw nut: outer circulation and interior circulation.Interior circulation is all made of
Reverser realizes ball-recirculation, the excellent functional reliability for directly affecting ball screw assembly, of reverser.
Chinese patent CN201410524053.3 discloses a kind of ball-screw performance test based on servo motor load
Testing stand, examination loaded ball lead screw while simulating either statically or dynamically load by rotating servo motor or linear servo-actuator
Positioning accuracy, repetitive positioning accuracy, reversed error, temperature rise and moment of friction verify its feasibility in actual operation.The reality
Platform is tested by driving AC servo motor that loaded ball lead screw to photoelectric sensor is made to return to zero position, at this time by grating scale position
After parameter needed for being set as zero point and setting, load alternating current machine driving loaded ball lead screw is successively fast moved to measuring point, right
The difference of realistic objective and target position is measured while target is positioned.But the device is the problem is that can not overcome not
The problem of being tested with model ball-screw, and cannot achieve more ball-screws and ball-screw, guide rail while measuring,
Conventional efficient is low.
Summary of the invention
The purpose of the present invention is to provide a kind of lead screw guide rails reverser reliability test bench, to realize while test more
Lead screw, guide rail reverser.
The technical solution for realizing the aim of the invention is as follows:
A kind of lead screw guide rails reverser reliability test bench, including testing stand, driving mechanism, floral disc, supporting guide, support
Sliding block, the first chuck, the second chuck, test cell；
The driving mechanism, supporting guide, the second chuck are each attached on experimental bench；First chuck can relative test
Platform sliding；First chuck, the second chuck are equipped with multiple supported holes；It is used to support multiple tested lead screws；The tested silk
Thick stick both ends are by bearing support between the first chuck, the second chuck；And tested lead screw one end is solid by bolt and the second chuck
It is fixed；The floral disc is arranged between the first chuck and the second chuck；The floral disc be equipped with multiple mounting holes, for install it is multiple not
The tested screw of same specification；The floral disc lower end is connected with support slipper；The support slipper cooperates with along supporting guide；It is described
Floral disc lower end is also connected with multiple tested sliding blocks；The tested sliding block and tested guide rail cooperate；The tested guide rail is fixed on examination
It tests on platform, and parallel with supporting guide；The driving mechanism is connected with floral disc, for driving tested screw along tested lead screw, quilt
Sliding block is surveyed to move back and forth along tested guide rail；The test cell is arranged on floral disc, for detecting tested screw mechanism, tested cunning
Block it is past, return speed.
Compared with prior art, the present invention its remarkable advantage is:
(1) floral disc of the present invention is equipped with multiple mounting holes, for installing the tested screw of multiple and different specifications；The floral disc
Lower end is connected with tested sliding block, to realize test while different measured pieces；Simultaneously the first chuck lower end two sides by sliding rail,
Sliding block is supported on testing stand, to adapt to the tested lead screw of different length.(2) floral disc is equipped with multiple mounting holes, so that tested silk
Thick stick is rounded to be evenly arranged, and can test multiple tested lead screws while saving space simultaneously, and test efficiency is high.(3) on floral disc
It is additionally provided with compensation axle sleeve in mounting hole, for adjusting the size of mounting hole, is used for adapting to the screw mechanism of different diameter specifications
The tested screw of multiple and different specifications is installed.
Detailed description of the invention
Fig. 1 is a kind of lead screw guide rails reverser reliability test bench schematic device of the present invention.
Fig. 2 is sliding for a kind of lead screw guide rails reverser reliability test bench device supporting guide sliding block of the present invention, tested guide rail
Block schematic diagram.
Fig. 3 shows for a kind of first chuck of lead screw guide rails reverser reliability test bench device of the invention, the second chuck, floral disc
It is intended to.
Fig. 4 is a kind of lead screw guide rails reverser reliability test bench device driving mechanism schematic diagram of the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described further the present invention.
A kind of lead screw guide rails reverser reliability test bench of the invention, including testing stand, driving mechanism, floral disc, support
Guide rail, support slipper, the first chuck, the second chuck, test cell 1；
The driving mechanism, supporting guide, the second chuck are each attached on experimental bench；First chuck can relative test
Platform sliding；First chuck, the second chuck are equipped with multiple supported holes；It is used to support multiple tested lead screws；The tested silk
Thick stick both ends are by bearing support between the first chuck, the second chuck；And tested lead screw one end is solid by bolt and the second chuck
It is fixed；The floral disc is arranged between the first chuck and the second chuck；The floral disc be equipped with multiple mounting holes, for install it is multiple not
The tested screw of same specification；The floral disc lower end is connected with support slipper；The support slipper cooperates with along supporting guide；It is described
Floral disc lower end is also connected with multiple tested sliding blocks；The tested sliding block and tested guide rail cooperate；The tested guide rail is fixed on examination
It tests on platform, and parallel with supporting guide；The driving mechanism is connected with floral disc, for driving tested screw along tested lead screw, quilt
Sliding block is surveyed to move back and forth along tested guide rail；The test cell 1 is arranged on floral disc, for record acceleration variation and by
The Vibration Condition of lead screw, tested sliding block is surveyed, observation occurs at the time of vibration becomes larger, sound becomes larger or Caton occurs and carries out
Compare, to complete to test the reverser of tested lead screw, tested guide rail.
Further, the driving mechanism includes servo motor, the first crank, the second crank, retainer；The servo electricity
Machine is fixed by electric machine support and testing stand；The servo motor shaft is connected with first crank one end；First crank is another
One end and second crank one end are rotatablely connected by shaft；The second crank other end and retainer are rotated by shaft to be connected
It connects；The retainer and floral disc are connected.It is equipped among second chuck and keeps away a hole, worn for the first crank, the second crank
It crosses.
In some embodiments, the test cell 1 is acceleration transducer.
Further, first chuck lower end two sides are supported on testing stand by sliding rail, sliding block.
Preferably, first chuck, multiple supported holes being evenly arranged for one week along corresponding chuck on the second chuck, institute
The mounting hole stated on floral disc was evenly arranged along floral disc one week.So that tested lead screw is arranged in a circular formation, it can while saving space
6 and tested lead screw below are tested simultaneously, and test efficiency is high.
Further, it is additionally provided with compensation axle sleeve in the mounting hole on the floral disc, for adjusting the size of mounting hole, with suitable
Answer the screw mechanism of different diameter specifications.
A kind of lead screw guide rails reverser reliability test bench test process of the invention are as follows: servo motor drives crank block
It is rotated, be connected with machine shaft one end and floral disc of crank block one end is connected by retainer floral disc is driven to do round-trip fortune
Dynamic, floral disc installs the tested screw of multiple and different specifications, and floral disc lower end is connected with support slipper, and also with multiple tested sliding blocks
It is connected, is tested sliding block and tested guide rail cooperates, to realizes the high speed back and forth movement of tested lead screw, tested guide rail.Screw and silk
Thick stick screw thread is matched using ball nesting, and when lead screw is fixed, nut is moved in a straight line along lead screw.In the top of retainer equipped with acceleration
Sensor is spent, by pulling floral disc to move always, records the variation of acceleration and the vibration feelings of tested lead screw, tested sliding block
Condition, observation occur at the time of vibration becomes larger, sound becomes larger or Caton occurs and are compared, to complete to tested silk
The reverser test of thick stick, tested guide rail.
The present invention compares the difference of common reliability test bench are as follows: (1) floral disc is equipped with multiple mounting holes, goes back in mounting hole
Equipped with compensation axle sleeve, for adjusting the size of mounting hole, with adapt to the screw mechanisms of different diameter specifications for install it is multiple not
The tested screw of same specification；(2) floral disc is equipped with multiple mounting holes, for installing the tested screw of multiple and different specifications；It is described
Floral disc lower end is connected with tested sliding block, to realize test while different measured pieces；(3) first chuck lower ends two sides pass through cunning
Rail, sliding block are supported on testing stand, and to adapt to the tested lead screw of different length: (4) floral disc is equipped with multiple mounting holes, so that tested
Lead screw is arranged in a circular formation, and can test 6 and tested lead screw below while saving space simultaneously, and test efficiency is high.
Claims (7)
1. a kind of lead screw guide rails reverser reliability test bench, which is characterized in that including testing stand (2), driving mechanism (3), flower
Disk (19), supporting guide (6), support slipper (10), the first chuck (13), the second chuck (22), test cell (16)；
The driving mechanism (3), supporting guide (6), the second chuck (22) are each attached on experimental bench；First chuck (13)
It can the sliding of relative test platform 2；First chuck (13), the second chuck (22) are equipped with multiple supported holes；It is used to support multiple
Tested lead screw (20)；Tested lead screw (20) both ends are by bearing support between the first chuck (13), the second chuck (22)；
And tested lead screw (20) one end is fixed by bolt and the second chuck (22)；The floral disc (19) setting in the first chuck (13) and
Between second chuck (22)；The floral disc (19) is equipped with multiple mounting holes, for installing the tested screw of multiple and different specifications
(15)；Floral disc (19) lower end is connected with support slipper (10)；The support slipper (10) cooperates with along supporting guide (6)；
Floral disc (19) lower end is also connected with multiple tested sliding blocks；The tested sliding block and tested guide rail cooperate；The tested guide rail
It is fixed on testing stand (2), and parallel with supporting guide (6)；The driving mechanism (3) is connected with floral disc (19), for driving
Tested screw (15) are moved back and forth along tested lead screw (20), tested sliding block along tested guide rail；Test cell (16) setting exists
On floral disc (19), for detect tested screw mechanism, tested sliding block it is past, return speed.
2. a kind of lead screw guide rails reverser reliability test bench according to claim 1, which is characterized in that the driving machine
Structure (3) includes servo motor (25), the first crank (24), the second crank (23), retainer (18)；The servo motor (25) is logical
It is fixed to cross electric machine support (27) and testing stand (2)；Servo motor (25) shaft is connected with the first crank (24) one end；It is described
First crank (24) other end and the second crank (23) one end are rotatablely connected by shaft；Second crank (23) other end with
Retainer (18) is rotatablely connected by shaft；The retainer (18) and floral disc (19) are connected.
3. a kind of lead screw guide rails reverser reliability test bench according to claim 1, which is characterized in that first card
Multiple supported holes being evenly arranged for one week along corresponding chuck on disk (13), the second chuck (22), the peace on the floral disc (19)
Dress hole was evenly arranged along floral disc (19) one weeks.
4. a kind of lead screw guide rails reverser reliability test bench according to claim 1, which is characterized in that the test is single
First (16) are acceleration transducer.
5. a kind of lead screw guide rails reverser reliability test bench according to claim 1, which is characterized in that the test is single
First (16) are acceleration transducer.
6. a kind of lead screw guide rails reverser reliability test bench according to claim 1, which is characterized in that first card
Disk (13) lower end two sides are supported on testing stand (2) by sliding rail (4), sliding block (7).
7. a kind of lead screw guide rails reverser reliability test bench according to claim 1, which is characterized in that the floral disc
(19) compensation axle sleeve (17) is additionally provided in the mounting hole on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474769.XA CN110207983A (en) | 2019-06-03 | 2019-06-03 | A kind of lead screw guide rails reverser reliability test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474769.XA CN110207983A (en) | 2019-06-03 | 2019-06-03 | A kind of lead screw guide rails reverser reliability test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207983A true CN110207983A (en) | 2019-09-06 |
Family
ID=67790283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910474769.XA Pending CN110207983A (en) | 2019-06-03 | 2019-06-03 | A kind of lead screw guide rails reverser reliability test bench |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351657A (en) * | 2020-03-12 | 2020-06-30 | 南京理工大学 | Friction torque detection device for ball screw and rolling linear guide rail reverser |
| CN112816212A (en) * | 2020-03-12 | 2021-05-18 | 南京理工大学 | Synchronous reciprocating mechanism and testing device for ball screw and guide rail experiment |
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|---|---|---|---|---|
| JP2003294581A (en) * | 2002-03-29 | 2003-10-15 | Meiji Univ | Fatigue testing device for ball screw |
| CN103115770A (en) * | 2013-01-23 | 2013-05-22 | 南京理工大学 | Ball screw assembly precision retaining ability testing device |
| CN104048828A (en) * | 2014-06-27 | 2014-09-17 | 常州工学院 | Dynamic stiffness research experiment table and measuring method for high-speed ball screw pair |
| CN104122087A (en) * | 2014-08-15 | 2014-10-29 | 上海理工大学 | Ball screw performance experiment table driven by linear motor |
| CN107356182A (en) * | 2017-08-18 | 2017-11-17 | 南京工艺装备制造有限公司 | A kind of ball screw assembly, radial clearance measurement apparatus |
-
2019
- 2019-06-03 CN CN201910474769.XA patent/CN110207983A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003294581A (en) * | 2002-03-29 | 2003-10-15 | Meiji Univ | Fatigue testing device for ball screw |
| CN103115770A (en) * | 2013-01-23 | 2013-05-22 | 南京理工大学 | Ball screw assembly precision retaining ability testing device |
| CN104048828A (en) * | 2014-06-27 | 2014-09-17 | 常州工学院 | Dynamic stiffness research experiment table and measuring method for high-speed ball screw pair |
| CN104122087A (en) * | 2014-08-15 | 2014-10-29 | 上海理工大学 | Ball screw performance experiment table driven by linear motor |
| CN107356182A (en) * | 2017-08-18 | 2017-11-17 | 南京工艺装备制造有限公司 | A kind of ball screw assembly, radial clearance measurement apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 鲁苑凯: "模拟实际工况的滚珠丝杠副导轨副综合性能试验台研制开发及试验研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351657A (en) * | 2020-03-12 | 2020-06-30 | 南京理工大学 | Friction torque detection device for ball screw and rolling linear guide rail reverser |
| CN112816212A (en) * | 2020-03-12 | 2021-05-18 | 南京理工大学 | Synchronous reciprocating mechanism and testing device for ball screw and guide rail experiment |
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Application publication date: 20190906 |
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