CN207365947U - A kind of oscillation backlash detection device for ball screw assembly, - Google Patents
A kind of oscillation backlash detection device for ball screw assembly, Download PDFInfo
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- CN207365947U CN207365947U CN201721239333.5U CN201721239333U CN207365947U CN 207365947 U CN207365947 U CN 207365947U CN 201721239333 U CN201721239333 U CN 201721239333U CN 207365947 U CN207365947 U CN 207365947U
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- ball screw
- screw assembly
- workbench
- leading screw
- detection device
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Abstract
The utility model provides a kind of oscillation backlash detection device for ball screw assembly, its is easy to operate, can quickly detect the oscillation backlash of ball screw assembly, and accuracy of detection is high；It includes rack, the rack is equipped with workbench, the workbench is equipped with through hole, the bottom of the frame below the through hole is equipped with push cylinder, the push cylinder is connected with the placement mechanism for placing ball screw assembly, and the leading screw of the ball screw assembly, is set to pass through the workbench by the push cylinder, and the screw of the ball screw assembly, is installed in the through hole, the opposite sides of the leading screw projecting end is equipped with survey axis, the survey axis connection has leverage, and driven by loading cylinder, corresponding described survey outside the leading screw at axis is equipped with survey pen.
Description
Technical field
Ball screw assembly, technical field is the utility model is related to, is specially that a kind of oscillation backlash for ball screw assembly, is examined
Survey device.
Background technology
Ball screw assembly, is actuated element most-often used on machine tool and precision optical machinery, its major function is to rotate
Movement conversion linear movement, or moment of torsion is converted into axial repeated action power, while have high accuracy, invertibity and high efficiency concurrently
The characteristics of, due to the frictional resistance with very little, ball screw assembly, is widely used in various industrial equipments and precision instrument, right
In high-accuracy lathe, ball screw assembly, is very crucial component, can effectively improve the positioning accuracy of lathe.
And the channel gap difference of the oscillation backlash of ball screw assembly, i.e. steel ball between screw and screw, it is ball wire
One of primary quality measure when thick stick is secondary supporting, therefore, oscillation backlash are not only the supporting rear finished product rolling of fabricated part of assay approval
A whether qualified major parameter of ballscrew pair, while be also the key factor that ball screw assembly, can work normally,
The standard of existing qualified oscillation backlash value is 0.32mm ~ 0.7mm, then if clearance value does not meet technical standard, ball-screw
Secondary precision, service life etc. can all be affected, and the method for existing detection oscillation backlash has and detected by clearance gauge, be by
In steel ball and screw, screw（Outside）Clearance gauge is filled between circle, by the difference of obtained clearance gauge thickness value, to draw ball screw assembly,
Oscillation backlash value, but such a detection method is not only cumbersome, and accuracy of detection is not also high.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of oscillation backlash detection device for ball screw assembly, its
It is easy to operate, the oscillation backlash of ball screw assembly, can be quickly detected, accuracy of detection is high.
Its technical solution is such, it is characterised in that it includes rack, and the rack is equipped with workbench, the work
Make platform and be equipped with through hole, the bottom of the frame below the through hole is equipped with push cylinder, and the push cylinder is connected with
The placement mechanism of ball screw assembly, is placed, and the leading screw of the ball screw assembly, is passed through the work by the push cylinder
The screw of platform and the ball screw assembly, is installed in the through hole, and the opposite sides of the leading screw projecting end is equipped with
Axis is surveyed, the survey axis connection has leverage, and is driven by loading cylinder, is set outside the corresponding leading screw surveyed at axis
There is survey pen.
It is further characterized by：
The rack sidepiece below the workbench is fixed with connecting plate, and the connecting plate is equipped with to the work
The slide put as the tablecloth, the placement mechanism are slidably mounted on the slide；
The placement mechanism includes the placement block being installed on the slide, and the placement block bottom connects the push gas
Cylinder, described place are connected with hollow mounting table on block, the leading screw bottom is loaded in the mounting table；
The leverage includes clump weight, lever, pressure sensor, and the lever top connects the clump weight, institute
State one end after lever lower part is connected with the pressure sensor with the survey axis to be connected, described in the other end face for surveying axis
The outer wall of leading screw, is connected by axis pin with support plate one end after the lever middle connection fixing block, the support plate other end with it is vertical
Plate connects, and the riser top connects the loading cylinder, and the riser lower part is connected to the frame upper end portion, the loading
Cylinder is located at below the clump weight, and lever bar portion described in its piston rod face；
The end face for surveying the axis other end is to lead to the corresponding arc surface of leading screw outside wall surface, the survey axis of both sides
Cross the outside wall surface that corresponding arc surface surrounds the leading screw；
The pen body for surveying pen is set in the fixed plate on the workbench, and the tip part of pen for surveying pen, which is connected with, to be dialled
Dynamic device, the striking gear includes the seat board being fixed on the workbench, is fixed with the seat board and stirs cylinder, described
The piston rod for stirring cylinder is connected with swinging plate, and the nib for surveying pen passes through the outside wall surface phase of the swinging plate and the leading screw
Contact；
The seat board is arranged on the workbench at the leading screw, and the seat board, swinging plate are L-shaped.
The beneficial effects of the utility model are that the leading screw for making ball screw assembly, by push cylinder passes through workbench, screw
After being installed in through hole, the survey axis of both sides is coordinated by leverage, loading cylinder successively makes leading screw to leading screw application loading force
Swing, then the measured value that pen successively measures leading screw swing is surveyed, so as to quickly detect ball wire by measuring difference
The oscillation backlash of thick stick pair, and accuracy of detection is 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.
Embodiment
As shown in Figure 1 and Figure 2, the utility model includes rack 1, and rack 1 is equipped with workbench 2, is set on workbench 2
There is through hole 3, be equipped with push cylinder 4 positioned at 1 bottom of rack of the lower section of through hole 3, push cylinder 4, which is connected with, places ball screw assembly,
Placement mechanism, and the leading screw 5 of ball screw assembly, is passed through the screw 6 of workbench 2 and ball screw assembly, by push cylinder 4
It is installed in through hole 3, the opposite sides of 5 projecting end of leading screw, which is equipped with, surveys axis 7, surveys axis 7 and is connected with leverage, and by adding
Carrier gas cylinder 8 drives, and the corresponding outside of leading screw 5 surveyed at axis 7, which is equipped with, surveys pen 9.
1 sidepiece of rack positioned at the lower section of workbench 2 is fixed with connecting plate 10, and connecting plate 10 is equipped with and is arranged to workbench 2
Slide 11, placement mechanism is slidably mounted on slide 11；Placement mechanism includes the placement block 12 being installed on slide 11, places
12 bottom of block connects push cylinder 4, and 12 are connected with hollow mounting table 13 on placement block, and 5 bottom of leading screw is loaded in mounting table 13；
Leverage include clump weight 14, lever 15, pressure sensor 16,15 top of lever connection clump weight 14,15 lower part of lever with
Pressure sensor 16 is connected after connecting with surveying one end of axis 7, surveys the outer wall of the other end face leading screw 5 of axis 7, and the middle part of lever 15 connects
It is connected after connecing fixed block 17 by axis pin 18 with 19 one end of support plate, 19 other end of support plate is connected with riser 20, and 20 top of riser connects
Loading cylinder 8 is connect, 20 lower part of riser is connected to 1 upper end of rack, and loading cylinder 8 is located at the lower section of clump weight 14, and its piston rod
15 bar portion of face lever；The end face for surveying 7 other end of axis is to pass through with the corresponding arc surface of 5 outside wall surface of leading screw, the survey axis 7 of both sides
Corresponding arc surface surrounds the outside wall surface of leading screw 5；The pen body for surveying pen 9 is set in the fixed plate 21 on workbench 2, surveys pen 9
Tip part of pen is connected with striking gear, and striking gear includes the seat board 22 being fixed on workbench 2, is fixed with and stirs on seat board 22
Cylinder 23, the piston rod for stirring cylinder 23 are connected with swinging plate 24, survey the nib of pen 9 through the outer wall of swinging plate 24 and leading screw 5
Face is in contact；Seat board 22 is arranged on the workbench 2 at leading screw 5, and seat board 22, swinging plate 24 are L-shaped.
The course of work of the utility model is that placement mechanism is moved by push cylinder 4 along slide 11 to workbench 2,
The leading screw 5 of ball screw assembly, is loaded in through hole 3 through 6 fixing card of screw of workbench 2 and ball screw assembly, positioned at lever
The loading cylinder 8 of 15 bar portions acts on respectively promotes lever 15, is monitored by lever principle, and pressure sensor 16, it is right to survey axis 7
5 outer wall of leading screw applies loading force 30N, then leading screw 5 swings, and stirs cylinder 23 and promotes swinging plate 24 survey pen 9 is contacted leading screw 5
Outer wall, surveys the measured value that 9 priority of pen measures the swing of leading screw 5, so as to quickly detect ball screw assembly, by measuring difference
Oscillation backlash, and accuracy of detection is high.
Claims (7)
1. a kind of oscillation backlash detection device for ball screw assembly, it is characterised in that it includes rack, is set in the rack
There is workbench, the workbench is equipped with through hole, and the bottom of the frame below the through hole is equipped with push cylinder, described
Push cylinder is connected with the placement mechanism for placing ball screw assembly, and makes the silk of the ball screw assembly, by the push cylinder
The screw of thick stick through the workbench and the ball screw assembly, is installed in the through hole, the leading screw projecting end
Opposite sides is equipped with survey axis, and the survey axis connection has leverage, and is driven by loading cylinder, at the corresponding survey axis
It is equipped with outside the leading screw and surveys pen.
2. a kind of oscillation backlash detection device for ball screw assembly, according to claim 1, it is characterised in that be located at
The rack sidepiece below the workbench is fixed with connecting plate, and the connecting plate is equipped with the cunning arranged to the workbench
Rail, the placement mechanism are slidably mounted on the slide.
3. a kind of oscillation backlash detection device for ball screw assembly, according to claim 2, it is characterised in that described
Placement mechanism includes the placement block being installed on the slide, and the placement block bottom connects the push cylinder, the placement
Hollow mounting table is connected with block, the leading screw bottom is loaded in the mounting table.
4. a kind of oscillation backlash detection device for ball screw assembly, according to claim 1, it is characterised in that described
Leverage includes clump weight, lever, pressure sensor, and the lever top connects the clump weight, the lever lower part with
One end after the pressure sensor connection with the survey axis is connected, the outer wall of leading screw described in the other end face for surveying axis,
It is connected after the lever middle connection fixing block by axis pin with support plate one end, the support plate other end is connected with riser, described
Riser top connects the loading cylinder, and the riser lower part is connected to the frame upper end portion, and the loading cylinder is located at institute
State below clump weight, and lever bar portion described in its piston rod face.
5. a kind of oscillation backlash detection device for ball screw assembly, according to claim 4, it is characterised in that described
The end face for surveying the axis other end is to pass through corresponding circular arc with the corresponding arc surface of leading screw outside wall surface, the survey axis of both sides
Bread encloses the outside wall surface of the leading screw.
6. a kind of oscillation backlash detection device for ball screw assembly, according to claim 1, it is characterised in that described
The pen body for surveying pen is set in the fixed plate on the workbench, and the tip part of pen for surveying pen is connected with striking gear, described
Striking gear includes being fixed on seat board on the workbench, be fixed with the seat board and stir cylinder, the cylinder of stirring
Piston rod is connected with swinging plate, and the nib for surveying pen is in contact through the swinging plate with the outside wall surface of the leading screw.
7. a kind of oscillation backlash detection device for ball screw assembly, according to claim 6, it is characterised in that described
Seat board is arranged on the workbench at the leading screw, and the seat board, swinging plate are L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239333.5U CN207365947U (en) | 2017-09-26 | 2017-09-26 | A kind of oscillation backlash detection device for ball screw assembly, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239333.5U CN207365947U (en) | 2017-09-26 | 2017-09-26 | A kind of oscillation backlash detection device for ball screw assembly, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207365947U true CN207365947U (en) | 2018-05-15 |
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ID=62350091
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721239333.5U Active CN207365947U (en) | 2017-09-26 | 2017-09-26 | A kind of oscillation backlash detection device for ball screw assembly, |
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| CN (1) | CN207365947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525486A (en) * | 2017-09-26 | 2017-12-29 | 无锡双益精密机械有限公司 | Oscillation backlash detection means for ball screw assembly, |
-
2017
- 2017-09-26 CN CN201721239333.5U patent/CN207365947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525486A (en) * | 2017-09-26 | 2017-12-29 | 无锡双益精密机械有限公司 | Oscillation backlash detection means for ball screw assembly, |
| CN107525486B (en) * | 2017-09-26 | 2024-03-15 | 无锡双益精密机械有限公司 | Swing play detection device for ball screw pair |
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