CN202057488U - High-speed ball screw performance test bed capable of replace screw - Google Patents
High-speed ball screw performance test bed capable of replace screw Download PDFInfo
- Publication number
- CN202057488U CN202057488U CN2011201435498U CN201120143549U CN202057488U CN 202057488 U CN202057488 U CN 202057488U CN 2011201435498 U CN2011201435498 U CN 2011201435498U CN 201120143549 U CN201120143549 U CN 201120143549U CN 202057488 U CN202057488 U CN 202057488U
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- servomotor
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- supporting seat
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Abstract
The utility model discloses a high-speed ball screw performance test bed capable of replace a screw, which comprises a bed machine, a worktable, a servo motor, a servo motor seat, a rear support seat and linear guide rails, wherein the linear guide rails are arranged on a bed body along the longitudinal direction; both ends of each linear guide rail are respectively provided with a buffer; the servo motor is fixed at the front part of the bed body by using bolts; the rear support seat is fixed at the rear part of the bed body by using bolts; one end axle of a ball screw to be tested is supported on the servo motor; another end axle of the ball screw to be tested is supported on the rear support seat; the servo motor is fixed on the servo motor seat and is connected with the ball screw to be tested, and the ball screw to be tested is driven by the servo motor; the worktable is connected with the ball screw to be tested through screw nuts, and slides on the linear guide rails under the driving of the ball screw to be tested; and the servo motor, the servo motor seat and the rear support seat are all replaceable parts. The high-speed ball screw performance test bed capable of replace the screw has the advantages of high universality and various functions and can be suitable for test experimental study on ball screws with different specifications.
Description
Technical field
The utility model relates to a kind of mechanical component test unit, relates in particular to a kind of high speed ball-screw performance test stand of interchangeable leading screw.
Background technology
The ball-screw feed drive system is most widely used machine tool functional component, and general common leading screw operating rate is below 20m/min.Along with coarse pitch ball-screw Application and Development, high speed ball-screw DN value＞130000 that abroad can produce, movement velocity reaches 60-80m/min, and precision can batch steady production P2 level.Because the ball-screw driving moment is big, low-speed performance is good, and price is lower than linear electric motors, has been subjected to user's welcome.But the present domestic testing equipment that lacks the performance test of high speed ball-screw, the ball-screw DN value less (70000) that domestic machine tool functional component factory produces, noise is bigger when using the DN value limit, and easy the vibration limited high-speed cruising.At present, existing ball-screw testing table can only be tested the performance of a certain model leading screw, does not have versatility, so plant factor is low, the testing cost height, and function ratio is more single.
The utility model content
Technical problem to be solved in the utility model be overcome existing ball-screw testing table function singleness, can't be general deficiency, a kind of high speed ball-screw performance test stand of interchangeable leading screw is provided, and it can make same testing table can be used in the test of the ball-screw performance of multiple dimensions by the transposing partial component.
The technical scheme in the invention for solving the technical problem is as follows.
A kind of high speed ball-screw performance test stand of interchangeable leading screw, be used for ball-screw is carried out performance test, it includes lathe bed, worktable, servomotor, the servomotor seat, back supporting seat and line slideway, described line slideway longitudinally is arranged at above the lathe bed, its two ends are provided with impact damper, described servomotor seat is fixed by bolts to the front portion of lathe bed, described back supporting seat is fixed by bolts to the rear portion of lathe bed, described tested ball-screw one end axle props up on this servomotor seat, other end axle props up on this back supporting seat, described servomotor is fixed on this servomotor seat, and connect and this tested ball-screw of driving, described worktable is connected by the tested ball-screw of feed screw nut and this, and be subjected to tested ball-screw driving on described line slideway, to slide described servomotor, servomotor seat and back supporting seat are the interchangeable part.
Be provided with preceding shaft coupling, torque sensor, back shaft coupling and leading screw axle sleeve in the servomotor seat of the high speed ball-screw performance test stand of interchangeable leading screw described in the utility model, this torque sensor is fixed in the described servomotor seat, and an end is connected with described servomotor by preceding shaft coupling, the other end is connected with described tested ball-screw by the back shaft coupling, described leading screw axle sleeve by screw retention on the servomotor seat, described tested ball-screw by bearings in this leading screw axle sleeve; Described back supporting seat is provided with back supporting seat axle sleeve, this back supporting seat axle sleeve by screw retention on the supporting seat of described back, described tested ball-screw by bearings in this back supporting seat axle sleeve; Described leading screw axle sleeve and back supporting seat axle sleeve are the interchangeable part; Offer locating slot above the described lathe bed, the bottom of described servomotor seat and back supporting seat all is equipped with setting element, and this setting element embeds in the locating slot on the described lathe bed.
Because the high speed ball-screw performance test stand of interchangeable leading screw described in the utility model has interchangeable lead screw assembly: servomotor, servomotor seat and leading screw axle sleeve thereof, back supporting seat reaches supporting seat axle sleeve thereafter, they are all by detachably being connected and fixed on lathe bed, therefore the interchangeable member of different size specification is installed by transposing, the utility model just can be implemented on the same testing table different-diameter, the high speed ball-screw of length carries out performance test, thereby the high speed ball-screw performance test stand of described interchangeable leading screw to have versatility wide, the advantage of diverse in function can improve plant factor, reduce testing cost.
Description of drawings
Fig. 1 is a structural perspective of the present utility model.
Fig. 2 is the synoptic diagram of the utility model interchangeable part.
Fig. 3 is the setting element synoptic diagram.
Embodiment
Now with accompanying drawing the utility model being done one in conjunction with specific embodiments describes in detail.
At first see also Fig. 1 structural representation of the present utility model, the high speed ball-screw performance test stand that illustrates interchangeable leading screw is used for the high speed ball-screw is carried out performance test, it has one group of interconvertible member, they all can be realized detachably, therefore the interchangeable part of different size specification is installed by transposing, just can be made same testing table be used for the test of the ball-screw performance of multiple dimensions.
The high speed ball-screw performance test stand of described interchangeable leading screw includes lathe bed 9, worktable 4, servomotor 2, servomotor seat 3, back supporting seat 7, line slideway 6, impact damper 8, electronic box 1 and industrial control computer etc.
Described line slideway 6 longitudinally be arranged at lathe bed 9 above, its two ends are provided with impact damper 8 to guarantee the security of operation of lathe bed 9.Described electronic box 1 is arranged at an end of lathe bed 9, and it is connected with industrial control computer with servomotor 2, and industrial control computer is handled and gathered the data of coming, and finishes the test of leading screw parameters.
Described servomotor 2, servomotor seat 3 and back supporting seat 7 are the interchangeable part, and they adopt detachable connecting mode to be fixed on the lathe bed 9, and this offers locating slot above lathe bed 9, sees also the synoptic diagram of Fig. 2 interchangeable part.Described servomotor seat 3 is fixed by bolts to the front portion of lathe bed 9, and its bottom is equipped with setting element 15, in the locating slot that this setting element 15 embeds on the described lathe bed 9 to play the effect of the described servomotor seat 3 in location.Described servomotor seat 3 is provided with preceding shaft coupling 10, torque sensor 11, back shaft coupling 12 and leading screw axle sleeve 13.This torque sensor 11 is fixed in the described servomotor seat 3, be used for described tested ball-screw 5 is tested, described torque sensor 11 1 ends are connected with described servomotor 2 by preceding shaft coupling 10, and the other end is connected with described tested ball-screw 5 by back shaft coupling 12.Described leading screw axle sleeve 13 by screw retention on servomotor seat 3, it also is the interchangeable part, described tested ball-screw 5 by bearings in this leading screw axle sleeve 13, thereby one end axle is propped up on described servomotor seat 3, this bearing seals by spacer ring.Described back supporting seat 7 is fixed by bolts to the rear portion of lathe bed 9, sees also Fig. 3, and its bottom is equipped with setting element 15, in the locating slot that this setting element 15 embeds on the described lathe bed 9 to play the effect of described back, location supporting seat 7.See also Fig. 2 again, described back supporting seat 7 is provided with back supporting seat axle sleeve 14, this back supporting seat axle sleeve 14 by screw retention on the supporting seat 7 of described back, it is the interchangeable part, described tested ball-screw 5 by bearings in this back supporting seat axle sleeve 14, thereby its other end axle is propped up on this back supporting seat 7, and this bearing seals by spacer ring.Described servomotor 2 is fixed on the outer end of this servomotor seat 3, and connects and drive described tested ball-screw 5 by preceding shaft coupling 10, torque sensor 11, back shaft coupling 12.
See also Fig. 1 again, described worktable 4 is connected with described tested ball-screw 5 by feed screw nut, and slided on described line slideway 6 by the driving of tested ball-screw 5.
During the utility model work, 2 motions of industrial control computer control servomotor also drive described tested ball-screw 5, and the moving worktable 4 of feed screw nut rotating belt moves then; By correlation parameters such as test moment of torsion, bearing accuracy, repetitive positioning accuracy, temperature rise, noises, estimate the combination property of high speed ball-screw.Using the ball-screw content measurement that the high speed ball-screw performance test stand of described interchangeable leading screw can carry out has:
Add/retarded velocity operation test;
The movement velocity test;
The acceleration and deceleration torsion-testing;
The test of leading screw running noises;
Leading screw operation temperature rise test;
Bearing accuracy and repetitive positioning accuracy test;
The test of leading screw worktable load operation;
The leading screw operating life test.Leading screw feeding error testing can adopt absolute linear grating chi evaluation, also can adopt the outer laser interferometer test of machine to improve the accuracy of evaluation.
In the time need testing to the ball-screw of different size specification, leading screw can be divided into several series by diameter and required motor power, according to the concrete specification of described tested ball-screw 5, take to change the method for interchangeable part then: perhaps only change leading screw axle sleeve 13 and back supporting seat axle sleeve 14; Perhaps servomotor 2, servomotor seat 3 and back supporting seat 7 complete sets are more changed; The position of described back supporting seat 7 can be moved adjustment according to the length of tested ball-screw 5.Need pretension after described tested ball-screw 5 is installed, by screwing the right-hand member set nut, the compression butterfly spring is realized tested ball-screw 5 right-hand members elongation.
The high speed ball-screw performance test stand of interchangeable leading screw described in the utility model is simple in structure, easy to manufacture, easy to use, precision is higher, have that versatility is wide, the advantage of diverse in function, can be applicable to the experimental study of various ball-screws, with the performance of evaluation ball-screw, can be widely used in each enterprise and the R﹠D institution that need test the different model ball-screw.
Claims (3)
1. the high speed ball-screw performance test stand of an interchangeable leading screw, be used for ball-screw is carried out performance test, it is characterized in that: described testing table includes lathe bed, worktable, servomotor, the servomotor seat, back supporting seat and line slideway, described line slideway is longitudinally by being arranged at above the lathe bed, its two ends are provided with impact damper, described servomotor seat is fixed by bolts to the front portion of lathe bed, described back supporting seat is fixed by bolts to the rear portion of lathe bed, described tested ball-screw one end axle props up on this servomotor seat, other end axle props up on this back supporting seat, described servomotor is fixed on this servomotor seat, and connect and this tested ball-screw of driving, described worktable is connected by the tested ball-screw of feed screw nut and this, and be subjected to tested ball-screw driving on described line slideway, to slide described servomotor, servomotor seat and back supporting seat are the interchangeable part.
2. the high speed ball-screw performance test stand of interchangeable leading screw according to claim 1, it is characterized in that: described servomotor seat is provided with preceding shaft coupling, torque sensor, back shaft coupling and leading screw axle sleeve, this torque sensor is fixed in the described servomotor seat, and an end is connected with described servomotor by preceding shaft coupling, the other end is connected with described tested ball-screw by the back shaft coupling, described leading screw axle sleeve by screw retention on the servomotor seat, described tested ball-screw by bearings in this leading screw axle sleeve; Described back supporting seat is provided with back supporting seat axle sleeve, this back supporting seat axle sleeve by screw retention on the supporting seat of described back, described tested ball-screw by bearings in this back supporting seat axle sleeve; Described leading screw axle sleeve and back supporting seat axle sleeve are the interchangeable part.
3. the high speed ball-screw performance test stand of interchangeable leading screw according to claim 2, it is characterized in that: offer locating slot above the described lathe bed, the bottom of described servomotor seat and back supporting seat all is equipped with setting element, and this setting element embeds in the locating slot on the described lathe bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201435498U CN202057488U (en) | 2011-05-09 | 2011-05-09 | High-speed ball screw performance test bed capable of replace screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201435498U CN202057488U (en) | 2011-05-09 | 2011-05-09 | High-speed ball screw performance test bed capable of replace screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057488U true CN202057488U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201435498U Expired - Fee Related CN202057488U (en) | 2011-05-09 | 2011-05-09 | High-speed ball screw performance test bed capable of replace screw |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103122981A (en) * | 2013-02-04 | 2013-05-29 | 南京理工大学 | Supportive element capable of supporting ball screws with different shaft end size |
| CN103323233A (en) * | 2013-05-24 | 2013-09-25 | 南京理工大学 | Device and method for testing dynamic characteristics of single-screw or double-screw rolling supporting linear feed system |
| CN105115728A (en) * | 2015-09-11 | 2015-12-02 | 沙洲职业工学院 | Ball screw test bench |
| CN105572588A (en) * | 2015-12-09 | 2016-05-11 | 奇瑞汽车股份有限公司 | Servo motor detection device |
| CN105644872A (en) * | 2016-01-04 | 2016-06-08 | 宁夏共享机床辅机有限公司 | Conveyor applied to labeling and label conveying |
| CN108980292A (en) * | 2018-07-20 | 2018-12-11 | 长久（滁州）专用汽车有限公司 | A kind of fixed device of lead screw connection |
-
2011
- 2011-05-09 CN CN2011201435498U patent/CN202057488U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102620929B (en) * | 2012-03-15 | 2014-06-04 | 南京理工大学 | Device and method for testing precision retaining ability of ball screw assembly |
| CN103122981A (en) * | 2013-02-04 | 2013-05-29 | 南京理工大学 | Supportive element capable of supporting ball screws with different shaft end size |
| CN103122981B (en) * | 2013-02-04 | 2015-08-19 | 南京理工大学 | A kind of support unit supporting different axle head sized balls leading screw |
| CN103323233A (en) * | 2013-05-24 | 2013-09-25 | 南京理工大学 | Device and method for testing dynamic characteristics of single-screw or double-screw rolling supporting linear feed system |
| CN103323233B (en) * | 2013-05-24 | 2015-07-22 | 南京理工大学 | Device and method for testing dynamic characteristics of single-screw or double-screw rolling supporting linear feed system |
| CN105115728A (en) * | 2015-09-11 | 2015-12-02 | 沙洲职业工学院 | Ball screw test bench |
| CN105572588A (en) * | 2015-12-09 | 2016-05-11 | 奇瑞汽车股份有限公司 | Servo motor detection device |
| CN105644872A (en) * | 2016-01-04 | 2016-06-08 | 宁夏共享机床辅机有限公司 | Conveyor applied to labeling and label conveying |
| CN108980292A (en) * | 2018-07-20 | 2018-12-11 | 长久（滁州）专用汽车有限公司 | A kind of fixed device of lead screw connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20120509 |