CN207366112U - A kind of moment of friction detection device for ball screw assembly, - Google Patents
A kind of moment of friction detection device for ball screw assembly, Download PDFInfo
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- CN207366112U CN207366112U CN201721239109.6U CN201721239109U CN207366112U CN 207366112 U CN207366112 U CN 207366112U CN 201721239109 U CN201721239109 U CN 201721239109U CN 207366112 U CN207366112 U CN 207366112U
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- ball screw
- screw assembly
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- spline
- detection device
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Abstract
The utility model provides a kind of moment of friction detection device for ball screw assembly, it can accurately measure the moment of friction of ball screw assembly, and measurement sensitivity is high；It includes rack, the frame lower is equipped with workbench, the workbench is equipped with the placement mechanism for placing ball screw assembly, working plate is slidably fitted with the rack above the placement mechanism, and it is connected with the lifting cylinder on the rack top, it is equipped with servomotor, torque sensor, ball spline on the working plate successively from top to bottom, and connected between each other by shaft coupling, spline interlinked mechanism is connected with by connecting rod below the ball spline, and is equipped with the leading screw of the ball screw assembly,.
Description
Technical field
Ball screw assembly, technical field is the utility model is related to, is specially that a kind of moment of friction for ball screw assembly, is examined
Survey device.
Background technology
Ball screw assembly, is the key feature of numerically-controlled machine tool, and the height of its manufacture level largely determines
The precision height of numerically-controlled machine tool, with engineering goods, numerically-controlled machine tool is to high speed, high precision int, Composite and environmental protection direction
Development, proposes increasingly higher demands, moment of friction is the important use of ball screw assembly, to the performance of ball screw assembly,
Performance parameter, it directly influences the positioning accuracy of product, transmission efficiency, kinetic stability, service life etc., therefore frictional force
The measurement of square is the basic demand of ball screw assembly, factory testing, and at present China production ball screw assembly, development level and
Foreign countries are compared to also no small gap, in addition to the factors such as the precision of raw material and process equipment, imperfect testing inspection
Means are also to restrict a major reason of its development.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of moment of friction detection device for ball screw assembly, its
The moment of friction of ball screw assembly, is can accurately measure, measurement sensitivity is high.
Its technical solution is such, it is characterised in that it includes rack, and the frame lower is equipped with workbench, described
Workbench is equipped with the placement mechanism for placing ball screw assembly, and work is slidably fitted with the rack above the placement mechanism
Make plate, and be connected with the lifting cylinder on the rack top, be equipped with servomotor on the working plate successively from top to bottom, turn round
Square sensor, ball spline, and connected between each other by shaft coupling, spline is connected with by connecting rod below the ball spline
Interlinked mechanism, and be equipped with the leading screw of the ball screw assembly,.
It is further characterized by：
The placement mechanism includes placing block, and the placement block is fixed on the workbench, and the placement block is equipped with
Hollow mounting table, the screw of the ball screw assembly, is loaded in the mounting table；
In the rack immediately below the lifting cylinder along its length on be equipped with line slideway, the working plate
It is installed on the sliding block one of the line slideway；
The spline interlinked mechanism includes the terminal pad through connection with the connecting rod, and the terminal pad bottom is connected with flower
Key set, is set with supporting spring on the spline housing, and lower supporting spring is connected with by axis pin one on the upper supporting spring outer shroud end face, described
Subiculum on piece is provided with chassis, and the chassis is connected with one end close-fitting of axis pin two, the other end and the flower of the axis pin two
Key set gap is connected；
The chassis is in T fonts, and is installed in the subiculum on piece, and the center chassis is provided with through hole, the ball wire
The leading screw end set of thick stick pair is in the through hole；
Hole on the spline housing is located on same center line with the through hole on the chassis, and hole on the spline housing
Aperture is more than the aperture of the through hole；
Mechanism for monitoring is connected with by connecting plate on the spline housing above the pop-up piece, the mechanism for monitoring includes
The fixed frame being fixed on the rack and the displacement sensor being installed on the fixed frame, along its length on the fixed frame
Degree direction is equipped with guide rail, and one end of the connecting plate is connected on the spline housing, and the other end of the connecting plate is installed on
On the sliding block two of the guide rail, also it is connected on the sliding block two with one end of guide plate, the other end of the guide plate is set in
On the induction rod of institute's displacement sensors.
The beneficial effects of the utility model are that ball screw assembly, is installed in placement mechanism, and lifting cylinder pushes the work forward plate
Move vertically up and down, the servomotor on working plate drives spline interlinked mechanism to rotate, and the leading screw of ball screw assembly, and spline
Interlinked mechanism is equipped with, then can be by servomotor precisely controlling displacement quantity, and can monitor moment of torsion by torque sensor, from
And the moment of friction of ball screw assembly, is effectively measured, high certainty of measurement, and measurement sensitivity is also high.
Brief description of the drawings
Fig. 1 is the stereogram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the sectional view of spline interlinked mechanism.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model includes rack 1, and 1 lower part of rack is equipped with workbench 2, on workbench 2
Equipped with the placement mechanism for placing ball screw assembly, working plate 3 is slidably fitted with the rack 1 above placement mechanism, that is, is being lifted
Line slideway 5 is equipped with along its length in rack 1 immediately below cylinder 4, and working plate 3 is installed on the sliding block of line slideway 5
On one；3 upper end of working plate is connected with the lifting cylinder 4 on 1 top of rack, is equipped with servo electricity on working plate 3 successively from top to bottom
Machine 6, torque sensor 7, ball spline 8, and connected between each other by shaft coupling 9, the lower section of ball spline 8 is connected by connecting rod 10
Spline interlinked mechanism is connected to, and is equipped with the leading screw 11 of ball screw assembly,.
Placement mechanism includes placing block 12, places block 12 and is fixed on workbench 2, places block 12 and is equipped with hollow placement
Platform 13, the screw 14 of ball screw assembly, is loaded in mounting table 13；Spline interlinked mechanism includes the connection through connection with connecting rod 11
Disk 15,15 bottom of terminal pad are connected with spline housing 16, and supporting spring 17 is set with spline housing 16, is led on upper 17 outer shroud end face of supporting spring
Cross 4 axis pins 1 and be connected with lower supporting spring 19, chassis 20 is installed on lower supporting spring 19, chassis 20 passes through 12 pins with upper supporting spring 17
Axis 2 21 is connected, i.e., chassis 20 is connected with one end close-fitting of axis pin 2 21, between the other end and spline housing 16 of axis pin 2 21
Gap is connected, and the gap size between axis pin 2 21 and spline housing 16 is the oscillating quantity on chassis；Chassis 20 is in T fonts,
And be installed on lower supporting spring 19,20 center of chassis is provided with through hole 22, and 11 end set of leading screw of ball screw assembly, is in through hole 22；
Hole on spline housing 16 is located on same center line with the through hole 22 on chassis 20, and the aperture in hole is more than through hole on spline housing 16
22 aperture；Mechanism for monitoring is connected with by connecting plate 23 on the spline housing 16 of the upper top of supporting spring 17, mechanism for monitoring includes fixing
In on the fixed frame 24 in rack 1 and the displacement sensor 25 being installed on fixed frame 24, fixed frame 24 along its length
Guide rail 26 is equipped with, one end of connecting plate 23 is connected on spline housing 16, and the other end of connecting plate 23 is installed on the cunning of guide rail 26
On block 2 27, one end on sliding block 2 27 also with guide plate 28 is connected, and the other end of guide plate 28 is set in displacement sensor 25
Induction rod 29 on.
The course of work of the utility model is that ball screw assembly, is installed in placement mechanism, and lifting cylinder 4 pushes the work forward plate
3 move vertically along line slideway about 5, until the end of the leading screw 11 of ball screw assembly, is placed in the through hole 22 on chassis 20,
Servomotor 6 on subsequent working plate 3 drives spline interlinked mechanism to rotate, then can by 6 precisely controlling displacement quantity of servomotor,
And moment of torsion can be monitored by torque sensor 7, while mechanism for monitoring is connected with by connecting plate 23 on spline housing 16, in spline
During interlinked mechanism moves up and down, sliding block 2 27 and connecting plate 23 also move up and down therewith, and guide plate 28 is passed loaded on displacement
On the induction rod 29 of sensor 25, displacement sensor 25 can also monitor displacement, play the effect of double monitoring, measurement accuracy
Height, so as to effectively measure the moment of friction of ball screw assembly, measurement sensitivity is also high.
Claims (7)
1. a kind of moment of friction detection device for ball screw assembly, it is characterised in that it includes rack, the frame lower
Equipped with workbench, the workbench is equipped with the placement mechanism for placing ball screw assembly, the machine above the placement mechanism
Working plate is slidably fitted with frame, and is connected with the lifting cylinder on the rack top, on the working plate from top to bottom according to
It is secondary to be equipped with servomotor, torque sensor, ball spline, and connected between each other by shaft coupling, below the ball spline
Spline interlinked mechanism is connected with by connecting rod, and is equipped with the leading screw of the ball screw assembly,.
2. a kind of moment of friction detection device for ball screw assembly, according to claim 1, it is characterised in that described
Placement mechanism includes placing block, and the placement block is fixed on the workbench, and the placement block is equipped with hollow mounting table,
The screw of the ball screw assembly, is loaded in the mounting table.
3. a kind of moment of friction detection device for ball screw assembly, according to claim 1, it is characterised in that in institute
State and be equipped with line slideway in the rack immediately below lifting cylinder along its length, the working plate is installed on described straight
On the sliding block one of line guide rail.
4. a kind of moment of friction detection device for ball screw assembly, according to claim 1, it is characterised in that described
Spline interlinked mechanism includes the terminal pad through connection with the connecting rod, and the terminal pad bottom is connected with spline housing, the flower
Key, which is put on, is set with supporting spring, and lower supporting spring, the subiculum on piece peace are connected with by axis pin one on the upper supporting spring outer shroud end face
Equipped with chassis, the chassis is connected with one end close-fitting of axis pin two, and the other end of the axis pin two is matched somebody with somebody with the spline housing gap
Close connection.
5. a kind of moment of friction detection device for ball screw assembly, according to claim 4, it is characterised in that described
Chassis is in T fonts, and is installed in the subiculum on piece, and the center chassis is provided with through hole, the leading screw end of the ball screw assembly,
Portion is arranged in the through hole.
A kind of 6. moment of friction detection device for ball screw assembly, according to claim 4 or 5, it is characterised in that
Hole on the spline housing is located on same center line with the through hole on the chassis, and the aperture in hole is more than on the spline housing
The aperture of the through hole.
7. a kind of moment of friction detection device for ball screw assembly, according to claim 4, it is characterised in that described
Mechanism for monitoring is connected with by connecting plate on the spline housing above pop-up piece, the mechanism for monitoring includes being fixed on the machine
Fixed frame on frame and the displacement sensor being installed on the fixed frame, are equipped with the fixed frame along its length
Guide rail, one end of the connecting plate are connected on the spline housing, and the other end of the connecting plate is installed on the sliding block two of guide rail
On, also it is connected on the sliding block two with one end of guide plate, the other end of the guide plate is set in institute's displacement sensors
On induction rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239109.6U CN207366112U (en) | 2017-09-26 | 2017-09-26 | A kind of moment of friction detection device for ball screw assembly, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239109.6U CN207366112U (en) | 2017-09-26 | 2017-09-26 | A kind of moment of friction detection device for ball screw assembly, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366112U true CN207366112U (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721239109.6U Active CN207366112U (en) | 2017-09-26 | 2017-09-26 | A kind of moment of friction detection device for ball screw assembly, |
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| CN (1) | CN207366112U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505071A (en) * | 2017-09-26 | 2017-12-22 | 无锡双益精密机械有限公司 | Moment of friction detection means for ball screw assembly, |
| CN112326222A (en) * | 2020-10-29 | 2021-02-05 | 常州嘉业智能装备科技有限公司 | Method for testing dustproof performance of lead screw guide rail of equipment |
| CN113155340A (en) * | 2020-08-10 | 2021-07-23 | 昆山赛瑞斯自动化科技有限公司 | High-precision ball screw friction force testing machine |
-
2017
- 2017-09-26 CN CN201721239109.6U patent/CN207366112U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505071A (en) * | 2017-09-26 | 2017-12-22 | 无锡双益精密机械有限公司 | Moment of friction detection means for ball screw assembly, |
| CN107505071B (en) * | 2017-09-26 | 2024-02-09 | 无锡双益精密机械有限公司 | Friction moment detection device for ball screw pair |
| CN113155340A (en) * | 2020-08-10 | 2021-07-23 | 昆山赛瑞斯自动化科技有限公司 | High-precision ball screw friction force testing machine |
| CN112326222A (en) * | 2020-10-29 | 2021-02-05 | 常州嘉业智能装备科技有限公司 | Method for testing dustproof performance of lead screw guide rail of equipment |
| CN112326222B (en) * | 2020-10-29 | 2021-04-30 | 常州嘉业智能装备科技有限公司 | Method for testing dustproof performance of lead screw guide rail of equipment |
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