CN110056622A - The ball screw structure for having detecting function - Google Patents
The ball screw structure for having detecting function Download PDFInfo
- Publication number
- CN110056622A CN110056622A CN201810039629.5A CN201810039629A CN110056622A CN 110056622 A CN110056622 A CN 110056622A CN 201810039629 A CN201810039629 A CN 201810039629A CN 110056622 A CN110056622 A CN 110056622A
- Authority
- CN
- China
- Prior art keywords
- nut element
- microcontroller
- groove
- detecting function
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010992 reflux Methods 0.000 claims abstract description 17
- 230000004308 accommodation Effects 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- 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
- G01M13/04—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of ball screw structures for having detecting function, including screw shaft, have external thread groove；Nut element is displaceably sheathed on screw shaft along the axial direction of screw shaft, and nut element has internal thread groove, and internal thread groove corresponds to the external thread groove setting of screw shaft, so that forming load channel between the internal thread groove of nut element and the external thread groove of screw shaft；Ball assembly is rollably arranged in load channel；An and return piece, it is disposed directly in nut element, which is installed with a microcontroller and a sensor and the rotary state that can sense the screw shaft in nut element, and reflux road is provided in return piece, it can be connected to nut element, for ball assembly reflux drawing-in.
Description
Technical field
The present invention relates to ball screw equipment technical fields, refer in particular to a kind of ball screw knot for having detecting function
Structure.
Background technique
Ball screw be at present with high load linear actuator, if but screw rod running speed it is excessive, accessory (example
It such as: reflux cover board) is easy to be impacted by steel ball and generate excessive vibration, causes accessory to damage and then lead to screw deadlocking, and mesh
It is preceding detecting screw rod rotary state mode, be all in addition install sensor additional in the ball screw structure of script, such as Japan
Patent JPA2008144938, JPA2007225024 and JPB5722365.
For aforementioned Japanese patent JPA2008144938, block sensing element need to be additionally installed additional, the length of nut element is therefore
It can be lengthened out, cause to influence stroke, and need to still further install controller additional, put row switching action into split；For aforementioned Japan
Patent JPA2007225024 is to be equipped with a groove in an end face of nut or nut, and put sensing device in groove, and feel
Surveying device is the displacement state for measuring steel ball, and therefore, sensing device will increase nut length, and for maintaining steel ball position
Magnetic mechanism it is excessively complicated；For aforementioned Japanese patent JPB5722365, sensor be both needed to controller it is external, cause need
Change the configuration or size of nut.
Summary of the invention
The purpose of the present invention is to provide a kind of ball screw structures for having detecting function, reach diagnosis and measurement screw rod
The effect of Spindle Status.
Based on this, the present invention mainly uses utilising techniques, Lai Shixian above-mentioned purpose.
A kind of ball screw structure having detecting function a, comprising: screw shaft has an external thread groove；One nut element,
It is displaceably sheathed on the screw shaft along the axial direction of the screw shaft, and the nut element has an internal thread groove, the interior spiral shell
Groove corresponds to the external thread groove setting of the screw shaft, so that the external thread groove of the internal thread groove of the nut element and the screw shaft
Between form a load channel；One ball assembly is rollably arranged in the load channel；And a return piece, detachably
Ground is arranged in the nut element, and is equipped with a microcontroller and a sensor, can sense the screw shaft in the nut element
A rotary state, and be provided with one in the return piece and drawing-in and be connected to the reflux of the load channel so that the ball assembly flows back
Road.
Further, which is a reflux cover board, which includes a cover board body and two grooves, and two grooves are set
It sets and faces a surface of the nut element in the cover board body, wherein a groove accommodates the microcontroller, another groove is installed with the sense
Survey device.
Further, which is provided with one first accommodation groove and one second accommodation groove, respectively for a battery and a warning
Unit accommodating, the battery and the microcontroller and the sensor are electrically connected.
Further, which is a buzzer or a light-emitting diode.
Further, which is equipped with a connecting line guide channel, connecting line guiding in face of a surface of the nut element
Slot connects the sensor and the microcontroller, and is electrically connected with the battery.
Further, which will sense the news of screw shaft by a signal output unit by wireless or cable
Number output is to a receiving unit.
Further, it is micro- by electric wire connection to be sent to this in a wired fashion by the microcontroller and the sensor for external power supply
Controller and the sensor.
Further, which is two end caps, and an end face of a wherein end cap is provided with two grooves, wherein a groove holds
The microcontroller is set, another groove is installed with the sensor.
Further, it is then provided with one first accommodation groove and one second accommodation groove on the other end of the end cap, supplies one respectively
Battery and alarm unit accommodating, the battery and the microcontroller and the sensor are electrically connected.
Further, which is two end plugs, which has two mounting grooves, and two end plugs are respectively arranged on two mounting grooves,
An end plug is provided with a groove wherein, which accommodates the microcontroller and the sensor.
After above-mentioned technological means, in addition the ball screw structure that the present invention has detecting function need not install additional in nut
Sensing element, but microcontroller and sensor are directly installed in return piece, and be provided directly in return piece reflux road with
For ball assembly reflux drawing-in, and it is removably installed in the flat part of nut element, can not taken up space, and then directly sense spiral shell
The rotary state of bar axis, more can be by the signal of the screw rod Spindle Status sensed with sound (such as buzzer), light (such as light-emitting diodes
Pipe) bright dark or flashing or it is transmitted to receiving unit (such as computer, intelligence by wireless or cable using signal output unit
The devices such as type mobile phone, Pad), whereby with reach diagnosis and measurement screw rod Spindle Status the effect of.
Detailed description of the invention
Fig. 1 is the front side decomposition diagram for the ball screw structure that the present invention has detecting function.
Fig. 2 is the rear side decomposition diagram for the ball screw structure that the present invention has detecting function.
Fig. 3 is the combination diagram of Fig. 1.
Fig. 4 is the schematic cross-sectional view of the first preferred embodiment of the invention.
Fig. 5 is circuit box schematic diagram of the invention.
Fig. 6 is the front side decomposition diagram of the second preferred embodiment of the invention.
Fig. 7 is the rear side decomposition diagram of the second preferred embodiment of the invention.
Fig. 8 is the combination diagram of Fig. 6.
Fig. 9 is the front side decomposition diagram of invention third preferred embodiment.
Figure 10 is the combination diagram of Fig. 9.
[symbol description]
The ball screw structure 100 for having detecting function
Screw shaft 1
External thread groove 11
Nut element 2
Internal thread groove 21
Tube body 22
Flat part 221
Screw hole 222
Return port 223
Outer bulge loop 23
First accommodation groove 24
Second accommodation groove 25
Route guide channel 26
Mounting groove 28
Ball assembly 3
Return piece 4
Cover board body 40
End cap 40A
Perforation 41
Groove 42
Groove 43
Microcontroller 44
Sensor 45
Signal output unit 46
Flow back road 47
Connecting line guide channel 48
Groove 49
Battery 5
Alarm unit 6
Screw 9
Load channel T.
Specific embodiment
For that can have a better understanding and awareness to the purpose of the present invention, feature and effect, it please hereby cooperate figure below
Formula simple declaration is described in detail as after.
Fig. 1 to Fig. 5 is please referred to, the present invention has the ball screw structure 100 of detecting function, including a screw shaft 1, a spiral shell
Cap 2, a ball assembly 3 and a return piece 4.
Screw shaft 1 has an external thread groove 11.
Nut element 2 is displaceably sheathed on screw shaft 1 along the axial direction of screw shaft 1, and nut element 2 has spiral shell in one
The external thread groove 11 of groove 21, the corresponding screw shaft 1 of internal thread groove 21 is arranged, so that the internal thread groove 21 of nut element 2 and screw shaft 1
External thread groove 11 between form a load channel T；Wherein, nut element 2 has a tube body 22 and an outer bulge loop 23, outer bulge loop
23 protrude out ring from wherein one end of tube body 22 radially towards sets, and the aperture surface of tube body 22 is then arranged in internal thread groove 21, and manages
The top of body 22 is formed with a flat part 221, two screw holes 222 and two return ports 223.
Ball assembly 3 can be made of multiple balls, be rollably arranged in load channel T.
Return piece 4 is a reflux cover board in the present embodiment, which is removably disposed in nut element 2, and can
A rotary state of the screw shaft 1 in nut element 2 is sensed, and is provided with a reflux road 47 in the cover board that flows back, for ball
Component 3 is via two return ports 223 reflux drawing-in；This means, reflux cover board may include that a cover board body 40, two perforation 41 and two is recessed
Slot 42,43, two perforation 41 are opened in a surface of flat part 221 of the cover board body 40 far from nut element 2, and two-screw 9 is worn respectively
Through two perforation 41 and two screw holes 222 are screw-locked at, on the flat part 221 for the tube body 22 that the lid of cover board body 40 is located at nut element 2,
Cover board body 40 is arranged in face of a surface of the flat part 221 of nut element 2, wherein a groove 42 accommodating one in two grooves 42,43
Microcontroller 44, another groove 43 is installed with a sensor 45, and sensor 45 can be an accelerometer, but be not limited thereto.
In addition, the outer bulge loop 23 of nut element 2 is provided with one first accommodation groove 24 and the second accommodation groove 25, first accommodation groove
24 with for a battery 5 accommodating, and battery 5 is electrically connected with the microcontroller 44 and sensor 45 being set in cover board body 40；
And second accommodation groove 25, with for an alarm unit 6 accommodating, alarm unit 6 can be a buzzer or a luminescence component, and send out
Optical assembly can be an at least light emitting diode, but be not limited thereto.
And microcontroller 44 can be by a signal output unit 46 (as shown in Figure 5), it by wireless or cable will sensing
Signal to screw shaft 1 is exported to a receiving unit, and receiving unit can be the devices such as computer, smartphone, Pad, also
The signal for sensing screw shaft 1 can be transmitted directly to alarm unit 6.
Furthermore the cover board body 40 of return piece 4 is additionally provided with a connecting line guide channel 48 in face of the surface of the nut element 2,
The connecting line guide channel 48 can connect the microcontroller 44 and the sensor 45 by electric wire, then by a route guide channel 26 with
Battery 5 is electrically connected.It is noted that the microcontroller 44 and the sensor 45 can be connected by electric wire, in a wired fashion
External power supply is sent to the microcontroller 44 and the sensor 45.
By above-mentioned structure, sensing element is in addition installed additional without in nut, but is installed directly in cover board body 40, and
It is provided directly with reflux road 47 in cover board body 40 for the reflux drawing-in of ball assembly 3, and is removably installed in nut element 2
Flat part 221 can save space, and then directly sense the rotary state of screw shaft 1, the screw rod Spindle Status that can will more sense
Signal be transmitted to alarm unit 6, with sound (such as buzzer), light (such as light emitting diode) is bright dark or flashing or utilizes news
Number output unit 46 is transmitted to receiving unit (such as computer, smartphone, Pad device) by wireless or cable, borrows
The effect of this is to reach measurement screw shaft rotary state.
Fig. 6 to Fig. 8 is please referred to, provides the ball screw structure for having detecting function for the second preferred embodiment of the present invention
100, it is identical with first embodiment, including a screw shaft 1, a nut element 2, a ball assembly 3 and a return piece 4, the two
Main difference be:
In this present embodiment, which is that two end cap 40A, two end cap 40A are set to the both ends of nut element 2, wherein one end
Lid 40A is provided with two grooves 42,43 in face of an end face of the nut element 2, wherein a groove 42 accommodates the microcontroller 44, it is another
Groove 43 is installed with the sensor 45, in being then provided with the first accommodation groove 24 and the second accommodation groove 25 on the other end of the end cap,
The battery 5 and alarm unit 6 can be accommodated respectively.
Fig. 9 to Figure 10 is please referred to, the ball screw knot for having detecting function is provided for third preferred embodiment of the present invention
Structure 100, it is identical with first embodiment, including a screw shaft 1, a nut element 2, a ball assembly 3 and a return piece 4, two
The main difference of person is:
In this present embodiment, which is two end plug 40B, which has two mounting grooves 28, and two end plug 40B are set respectively
In two mounting grooves 28, the bottom surface of a wherein end plug 40B is provided with a groove 49, the groove 49 can accommodate the microcontroller 44 and
The sensor 45.
It is above to be taken off, preferred embodiment only provided by the present invention, the implementation model being not intended to limit the invention
Enclose, all those skilled in the art according to the present invention carried out by equivalent change, should all belong to the range that is covered of the present invention.
Claims (10)
1. a kind of ball screw structure for having detecting function characterized by comprising
One screw shaft has an external thread groove；
One nut element is displaceably sheathed on the screw shaft along the axial direction of the screw shaft, and the nut element has in one
Thread groove, which corresponds to the external thread groove setting of the screw shaft, so that the internal thread groove of the nut element and the screw rod
A load channel is formed between the external thread groove of axis；
One ball assembly is rollably arranged in the load channel；
And a return piece, it is removably disposed in the nut element, and be equipped with a microcontroller and a sensor, can sense
One rotary state of the screw shaft in the nut element, and one is provided in the return piece for ball assembly reflux drawing-in
And it is connected to the reflux road of the load channel.
2. having the ball screw structure of detecting function as described in claim 1, it is characterised in that: the return piece is a reflux
Cover board, the reflux cover board include a cover board body and two grooves, and one that the cover board body faces the nut element is arranged in two grooves
Surface, wherein a groove accommodates the microcontroller, another groove is installed with the sensor.
3. having the ball screw structure of detecting function as described in claim 1, it is characterised in that: the nut element is provided with one
First accommodation groove and one second accommodation groove supply a battery and alarm unit accommodating, the battery and the microcontroller respectively and are somebody's turn to do
Sensor is electrically connected.
4. having the ball screw structure of detecting function as claimed in claim 3, it is characterised in that: the alarm unit is a bee
Ring device or a light-emitting diode.
5. having the ball screw structure of detecting function as claimed in claim 3, it is characterised in that: the return piece faces the spiral shell
One surface of cap is equipped with a connecting line guide channel, which connects the sensor and the microcontroller, and with
The battery is electrically connected.
6. having the ball screw structure of detecting function as described in claim 1, it is characterised in that: the microcontroller passes through one
Signal output unit by wireless or cable exports the signal for sensing screw shaft to a receiving unit.
7. having the ball screw structure of detecting function as described in claim 1, it is characterised in that: the microcontroller and the sense
It surveys device and external power supply is sent in a wired fashion by the microcontroller and the sensor by electric wire connection.
8. having the ball screw structure of detecting function as described in claim 1, it is characterised in that: the return piece is two ends
Lid, is provided with two grooves in an end face of a wherein end cap, wherein a groove accommodates the microcontroller, another groove is installed with the biography
Sensor.
9. having the ball screw structure of detecting function as claimed in claim 8, it is characterised in that: the other end of the end cap
On be then provided with one first accommodation groove and one second accommodation groove, accommodated respectively for a battery and an alarm unit, the battery with should
Microcontroller and the sensor are electrically connected.
10. having the ball screw structure of detecting function as described in claim 1, it is characterised in that: the return piece is two ends
Plug, the nut element have two mounting grooves, and two end plugs are respectively arranged on two mounting grooves, and an end plug is provided with a groove wherein, this is recessed
Slot accommodates the microcontroller and the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039629.5A CN110056622A (en) | 2018-01-16 | 2018-01-16 | The ball screw structure for having detecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039629.5A CN110056622A (en) | 2018-01-16 | 2018-01-16 | The ball screw structure for having detecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110056622A true CN110056622A (en) | 2019-07-26 |
Family
ID=67314854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039629.5A Pending CN110056622A (en) | 2018-01-16 | 2018-01-16 | The ball screw structure for having detecting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056622A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413074A (en) * | 2019-08-20 | 2021-02-26 | 上银科技股份有限公司 | Ball screw |
| CN112621335A (en) * | 2019-09-24 | 2021-04-09 | 罗伯特·博世有限公司 | Sensor for a ball screw drive and spindle nut having such a sensor |
| CN113404829A (en) * | 2020-03-17 | 2021-09-17 | 上银科技股份有限公司 | Backflow component of ball screw |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007225024A (en) * | 2006-02-23 | 2007-09-06 | Nsk Ltd | Ball screw device |
| US20090071278A1 (en) * | 2007-09-18 | 2009-03-19 | Hiwin Technologies Corp. | Ball screw device having image sensor |
| CN103161906A (en) * | 2011-12-19 | 2013-06-19 | 谢夫勒科技股份两合公司 | Planetary spindle drive |
| CN103912647A (en) * | 2013-01-09 | 2014-07-09 | 上银科技股份有限公司 | Self-lubricating linear transmission device |
| CN105319235A (en) * | 2014-06-25 | 2016-02-10 | 上银科技股份有限公司 | Method for detecting residual rate of pre-pressure |
| CN205278273U (en) * | 2015-12-08 | 2016-06-01 | 上银科技股份有限公司 | External circulating ball screw |
| CN206036161U (en) * | 2016-08-22 | 2017-03-22 | 上银科技股份有限公司 | Ball screw |
-
2018
- 2018-01-16 CN CN201810039629.5A patent/CN110056622A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007225024A (en) * | 2006-02-23 | 2007-09-06 | Nsk Ltd | Ball screw device |
| US20090071278A1 (en) * | 2007-09-18 | 2009-03-19 | Hiwin Technologies Corp. | Ball screw device having image sensor |
| CN103161906A (en) * | 2011-12-19 | 2013-06-19 | 谢夫勒科技股份两合公司 | Planetary spindle drive |
| CN103912647A (en) * | 2013-01-09 | 2014-07-09 | 上银科技股份有限公司 | Self-lubricating linear transmission device |
| CN105319235A (en) * | 2014-06-25 | 2016-02-10 | 上银科技股份有限公司 | Method for detecting residual rate of pre-pressure |
| CN205278273U (en) * | 2015-12-08 | 2016-06-01 | 上银科技股份有限公司 | External circulating ball screw |
| CN206036161U (en) * | 2016-08-22 | 2017-03-22 | 上银科技股份有限公司 | Ball screw |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413074A (en) * | 2019-08-20 | 2021-02-26 | 上银科技股份有限公司 | Ball screw |
| CN112413074B (en) * | 2019-08-20 | 2021-12-10 | 上银科技股份有限公司 | Ball screw |
| CN112621335A (en) * | 2019-09-24 | 2021-04-09 | 罗伯特·博世有限公司 | Sensor for a ball screw drive and spindle nut having such a sensor |
| CN113404829A (en) * | 2020-03-17 | 2021-09-17 | 上银科技股份有限公司 | Backflow component of ball screw |
| CN113404829B (en) * | 2020-03-17 | 2022-07-19 | 上银科技股份有限公司 | Backflow component of ball screw |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190726 |
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| RJ01 | Rejection of invention patent application after publication |