CN207366204U - A kind of efficiency detection device for ball screw assembly, - Google Patents
A kind of efficiency detection device for ball screw assembly, Download PDFInfo
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- CN207366204U CN207366204U CN201721239406.0U CN201721239406U CN207366204U CN 207366204 U CN207366204 U CN 207366204U CN 201721239406 U CN201721239406 U CN 201721239406U CN 207366204 U CN207366204 U CN 207366204U
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- ball screw
- screw assembly
- detection device
- efficiency detection
- placement
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Abstract
The utility model provides a kind of efficiency detection device for ball screw assembly, it can effectively detect the loading force and moment of torsion of ball screw assembly, accurately to measure the efficiency of ball screw assembly,；It includes rack, the frame upper end is equipped with the first servomotor, torque sensor, interlinked mechanism successively from top to bottom, and connected between each other by shaft coupling, the rack lower end is equipped with the second servomotor, second servomotor is connected by ball screw with placing the placement mechanism of ball screw assembly, pressure sensor is housed, the leading screw of the ball screw assembly, is equipped with the interlinked mechanism on the placement mechanism.
Description
Technical field
Ball screw assembly, technical field is the utility model is related to, is specially that a kind of Efficiency testing for ball screw assembly, fills
Put.
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.
It is existing to judge whether product is qualified by carrying out Efficiency testing to ball screw assembly, the effect of general ball screw assembly,
Rate is qualified products not less than 73%, it mainly passes through calculation formula η=FaxP/ (MA2 π), wherein Fax is loading
Power, P are the pitches that leading screw screws a circle screw thread in screw, MAIt is moment of torsion, in different situations, between ball screw assembly,
Under the situation of change of loading force and moment of torsion, its efficiency is different, therefore for the detection of efficiency, only need to detect loading force
The efficiency of ball screw assembly, can be calculated with moment of torsion, to judge whether product is qualified, but at this stage, imperfect inspection
Survey means accurately detect its loading force and moment of torsion.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of efficiency detection device for ball screw assembly, it can have
The loading force and moment of torsion of effect detection ball screw assembly, accurately to measure the efficiency of ball screw assembly,.
Its technical solution is such, it is characterised in that it includes rack, and the frame upper end is equipped with successively from top to bottom
First servomotor, torque sensor, interlinked mechanism, and connected between each other by shaft coupling, the rack lower end are equipped with the
Two servomotors, second servomotor is connected by ball screw with placing the placement mechanism of ball screw assembly, described
Pressure sensor is housed, the leading screw of the ball screw assembly, is equipped with the interlinked mechanism on placement mechanism.
It is further characterized by：
The rack is frame-type frame, is equipped with the inside of the frame lower at least two end faces along its length
Slide, the placement mechanism are installed on the slide by the first sliding block；
The placement mechanism includes being connected to fixed plate on first sliding block, the slide below the fixed plate
Upper to be connected with hollow stent by the second sliding block, the stent is equipped with hollow sleeve, and with fixed plate bottom phase
Connection, the pressure sensor are installed in the fixed plate by connecting rod, and the connecting rod bottom extends into the fixed plate
In the sleeve of bottom, described ball screw one end is connected with second servomotor, and the ball screw other end passes through
The stent is worn, placement block is connected with the top of the connecting rod, hollow mounting table, the ball wire are embedded with the placement block
The screw of thick stick pair is loaded in the mounting table；
The connecting rod is in T fonts, and the placement block is set at the top of the connecting rod, and the connecting rod top ends are put with described
Platform bottom surface is put to be connected；
The interlinked mechanism is fixed on the rack by connecting plate, and the interlinked mechanism includes key axis and is fixed on
The connecting cylinder of the connecting plate upper and lower end, the key axis upper end are connected with the shaft coupling above it, under the key axis
End is equipped with upper supporting spring through the connecting cylinder rear enclosure, and subiculum is connected with by the first axis pin on the upper supporting spring outer shroud end face
Piece, the subiculum on piece are provided with chassis, and the chassis and the key axis are connected with the equal close-fitting of the second axis pin；
The chassis is in T fonts, and is installed in the subiculum on piece, and the center chassis is provided with first through hole, the rolling
The leading screw end set of ballscrew pair is in the first through hole；
The connecting plate bottom surface below the interlinked mechanism is fixed with link, and the interlinked mechanism is in packaging type
In the link, the second through hole is provided with the link immediately below the first through hole, outside second through hole
Being circular layout on the link of side has spring, and the internal diameter of second through hole is more than the outside diameter of the leading screw；
Packing ring is arranged with the leading screw, the outside diameter of the packing ring is less than the outside diameter of the screw, and more than by described
The outside diameter for the ring surface that spring surrounds；
The shell outside portion of the corresponding placement mechanism is connected with mechanism for monitoring, and the mechanism for monitoring is passed including displacement
Sensor, guide pad is set with the induction rod of institute's displacement sensors, and the position magnet of institute's displacement sensors is arranged on described lead
Above to block, the guide pad is connected by connecting rod with the fixed plate.
The beneficial effects of the utility model are that the second servomotor and ball screw effect, apply loading force and promote
Leading screw in placement mechanism is moved and is equipped with bindiny mechanism upwards, and the first servomotor drives bindiny mechanism to rotate, i.e.,
Leading screw is driven to rotate, in this course of work, when detecting certain loading force by pressure sensor, torque sensor is adopted worth
To moment of torsion, so as to obtain the efficiency of ball screw assembly, by calculation formula, accurately to judge whether product is qualified.
Brief description of the drawings
Fig. 1 is the main structure diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model；
Fig. 3 is the broken section enlarged structure schematic diagram of interlinked mechanism.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model includes rack 1, and 1 upper end of rack is watched equipped with first successively from top to bottom
Motor 2, torque sensor 3, interlinked mechanism are taken, and is connected between each other by shaft coupling 4,1 lower end of rack is equipped with the second servo
Motor 5, the second servomotor 5 are connected with placing the placement mechanism of ball screw assembly, by ball screw 6, are filled on placement mechanism
There is pressure sensor 7, leading screw 8 and the interlinked mechanism of ball screw assembly, are equipped with.
Rack 1 is frame-type frame, on 1 lower inside of rack, three end faces along its length on be equipped with slide 9, place
Mechanism is installed on slide 9 by the first sliding block 10；Placement mechanism includes the fixed plate 11 being connected on the first sliding block 10, fixed
Hollow stent 13 is connected with by the second sliding block 12 on the slide 9 of the lower section of plate 11, stent 13 is equipped with hollow sleeve 14, and
It is connected with 11 bottom of fixed plate, pressure sensor 7 is installed in fixed plate 11 by connecting rod 15, and 15 bottom of connecting rod extends into
In the sleeve 14 of 11 bottom of fixed plate, 6 one end of ball screw is connected with the second servomotor 5, and 6 other end of ball screw is through branch
Frame 13, the top of connecting rod 15, which is connected with, places block 16, places in block 16 and is embedded with hollow mounting table 17, the screw of ball screw assembly,
18 loaded in mounting table 17；Connecting rod 15 is in T fonts, places block 16 and is set in the top of connecting rod 15, and 15 top ends of connecting rod are with placing
17 bottom surface of platform is connected；Interlinked mechanism is fixed in rack 1 by connecting plate 19, and interlinked mechanism includes key axis 20 and is fixed on
The connecting cylinder 21 of 19 upper end of connecting plate, the connecting cylinder 22 of lower end, 20 upper end of key axis are connected with the shaft coupling 4 above it, key
20 bottom of axis passes through the connecting cylinder 21 of upper end, 22 rear enclosure of connecting cylinder of lower end that upper supporting spring 23, upper 23 outer shroud end face of supporting spring are housed
It is upper that lower supporting spring 25 is connected with by the first axis pin 24, chassis 26, chassis 26 and key axis 20 and second are installed on lower supporting spring 25
27 equal close-fitting of axis pin connects；Chassis 26 is in T fonts, and is installed on lower supporting spring 25, and 26 center of chassis is provided with first through hole 28, rolling
8 end set of leading screw of ballscrew pair is in first through hole 28；19 bottom surface of connecting plate below interlinked mechanism is fixed with company
Frame 29 is connect, interlinked mechanism is arranged in link 29 in packaging type, and it is logical that second is provided with the link 29 immediately below first through hole 28
Hole 30, being circular layout on the link 29 in the outside of the second through hole 30 has 2 springs 31, and the internal diameter of the second through hole 30 is more than leading screw 8
Outside diameter；Packing ring 32 is arranged with leading screw 8, the outside diameter of packing ring 32 is less than the outside diameter of screw 18, and is more than and is surrounded by spring 31
Ring surface outside diameter；1 outside portion of rack of corresponding placement mechanism is connected with mechanism for monitoring, and mechanism for monitoring includes displacement sensor
33, guide pad 35 is set with the induction rod 34 of displacement sensor 33, and the position magnet 36 of displacement sensor 33 is arranged on guide pad
35 tops, guide pad 35 are connected by connecting rod 37 with fixed plate 11.
The course of work of the utility model is that ball screw assembly, is installed in placement mechanism, and the second servomotor 5 acts on,
And promote stent 13 to run up by the slide 9 on ball screw 6 and rack 1, then in the mounting table 17 of placement mechanism
Leading screw 8 is run up in the lump, until the end of leading screw 8 is placed in first through hole 28 through the second through hole 30, on link 29
Spring 31 be in contact with the packing ring 32 on leading screw 8, subsequent first servomotor 2 drives interlinked mechanism to rotate, and passes through key axis 20
And chassis 26 drives leading screw 8 to rotate, in this course of work, the loading force that the second servomotor 5 applies passes through pressure sensing
Device 7 detects, and when it is 20,000 Ns to detect loading force, torque sensor 3, which is adopted, is worth to moment of torsion, so as to be obtained by calculation formula
To the efficiency of ball screw assembly, accurately to judge whether product is qualified.
Claims (9)
1. a kind of efficiency detection device for ball screw assembly, it is characterised in that it includes rack, and the frame upper end is from upper
The first servomotor, torque sensor, interlinked mechanism are down equipped with successively, and are connected between each other by shaft coupling, the machine
Frame lower end is equipped with the second servomotor, and second servomotor passes through ball screw and the placement mechanism for placing ball screw assembly,
It is connected, pressure sensor is housed on the placement mechanism, the leading screw of the ball screw assembly, coordinates with the interlinked mechanism is set
Put.
A kind of 2. efficiency detection device for ball screw assembly, according to claim 1, it is characterised in that the rack
For frame-type frame, slide, the placement machine are equipped with the inside of the frame lower at least two end faces along its length
Structure is installed on the slide by the first sliding block.
A kind of 3. efficiency detection device for ball screw assembly, according to claim 2, it is characterised in that the placement
Mechanism includes being connected to fixed plate on first sliding block, and passing through the second sliding block on the slide below the fixed plate connects
Hollow stent is connected to, the stent is equipped with hollow sleeve, and is connected with the fixed plate bottom, the pressure sensing
Device is installed in the fixed plate by connecting rod, and the connecting rod bottom is extended into the sleeve of the fixed plate bottom,
Described ball screw one end is connected with second servomotor, and the ball screw other end runs through the stent, the company
Placement block is connected with the top of bar, is embedded with hollow mounting table in the placement block, the screw of the ball screw assembly, is loaded on institute
State in mounting table.
A kind of 4. efficiency detection device for ball screw assembly, according to claim 3, it is characterised in that the connecting rod
In T fonts, the placement block is set at the top of the connecting rod, and the connecting rod top ends are connected with the mounting table bottom surface.
A kind of 5. efficiency detection device for ball screw assembly, according to claim 1, it is characterised in that the gearing
Mechanism is fixed on the rack by connecting plate, and the interlinked mechanism includes key axis and to be fixed on the connecting plate upper and lower
The connecting cylinder at end, the key axis upper end are connected with the shaft coupling above it, and the key axis bottom passes through the company
Connect cylinder rear enclosure is equipped with upper supporting spring, and lower supporting spring, the subiculum on piece are connected with by the first axis pin on the upper supporting spring outer shroud end face
Chassis is installed, the chassis and the key axis are connected with the equal close-fitting of the second axis pin.
A kind of 6. efficiency detection device for ball screw assembly, according to claim 5, it is characterised in that the chassis
In T fonts, and the subiculum on piece is installed in, the center chassis is provided with first through hole, the leading screw end of the ball screw assembly,
Portion is arranged in the first through hole.
7. a kind of efficiency detection device for ball screw assembly, according to claim 6, it is characterised in that positioned at described
The connecting plate bottom surface below interlinked mechanism is fixed with link, and the interlinked mechanism is arranged on the link in packaging type
It is interior, it is provided with the second through hole on the link immediately below the first through hole, the link on the outside of second through hole
On be circular layout and have spring, the internal diameter of second through hole is more than the outside diameter of the leading screw.
A kind of 8. efficiency detection device for ball screw assembly, according to claim 7, it is characterised in that the leading screw
On be arranged with packing ring, the outside diameter of the packing ring is less than the outside diameter of screw, and more than the ring surface surrounded by the spring outside
Footpath.
9. a kind of efficiency detection device for ball screw assembly, according to claim 3, it is characterised in that described in corresponding
The shell outside portion of placement mechanism is connected with mechanism for monitoring, and the mechanism for monitoring includes displacement sensor, and the displacement passes
Guide pad is set with the induction rod of sensor, the position magnet of institute's displacement sensors is arranged on above the guide pad, described to lead
It is connected to block by connecting rod with the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239406.0U CN207366204U (en) | 2017-09-26 | 2017-09-26 | A kind of efficiency detection device for ball screw assembly, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239406.0U CN207366204U (en) | 2017-09-26 | 2017-09-26 | A kind of efficiency detection device for ball screw assembly, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366204U true CN207366204U (en) | 2018-05-15 |
Family
ID=62350013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721239406.0U Active CN207366204U (en) | 2017-09-26 | 2017-09-26 | A kind of efficiency detection device for ball screw assembly, |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576496A (en) * | 2017-09-26 | 2018-01-12 | 无锡双益精密机械有限公司 | Efficiency detection device for ball screw assembly, |
| CN110542501A (en) * | 2019-08-15 | 2019-12-06 | 北京空间飞行器总体设计部 | Ball screw transmission efficiency test system |
-
2017
- 2017-09-26 CN CN201721239406.0U patent/CN207366204U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576496A (en) * | 2017-09-26 | 2018-01-12 | 无锡双益精密机械有限公司 | Efficiency detection device for ball screw assembly, |
| CN107576496B (en) * | 2017-09-26 | 2023-05-30 | 无锡双益精密机械有限公司 | Efficiency detection device for ball screw pair |
| CN110542501A (en) * | 2019-08-15 | 2019-12-06 | 北京空间飞行器总体设计部 | Ball screw transmission efficiency test system |
| CN110542501B (en) * | 2019-08-15 | 2021-02-12 | 北京空间飞行器总体设计部 | Ball screw transmission efficiency test system |
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