CN109458926A - A kind of strain-type roughness sensor - Google Patents
A kind of strain-type roughness sensor Download PDFInfo
- Publication number
- CN109458926A CN109458926A CN201811591869.2A CN201811591869A CN109458926A CN 109458926 A CN109458926 A CN 109458926A CN 201811591869 A CN201811591869 A CN 201811591869A CN 109458926 A CN109458926 A CN 109458926A
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- China
- Prior art keywords
- elastic component
- strain
- type roughness
- roughness sensor
- induction pieces
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a kind of strain-type roughness sensor, which includes: elastic component, induction pieces, resistance strain gage.One end of elastic component is fixedly connected with the motor of roughmeter.Induction pieces are arranged on the other end of the elastic component, for contacting with workpiece surface to be checked.The surface of elastic component is arranged in resistance strain gage, is electrically connected with roughmeter.The present invention can make staff accurately measure the roughness on workpiece for measurement surface, effectively increase roughness concentration precision.
Description
Technical field
The present invention relates to roughness test field more particularly to a kind of strain-type roughness sensors.
Background technique
Surface roughness is to reflect the important indicator of various mechanical workpieces suface processing qualities, and workpiece surface roughness
Measurement is usually to be completed by roughmeter, but the roughmeter structure sold currently on the market is single, roughness concentration
Precision is lower.
Therefore, subsequent accurate operation is carried out using workpiece for the ease of staff, it is necessary to which providing one kind can mention
The strain-type roughness sensor of high roughness concentration precision.
Summary of the invention
The embodiment of the present invention provides a kind of strain-type roughness sensor, to improve roughness concentration precision, the strain
Formula roughness sensor includes: elastic component, induction pieces, resistance strain gage；
One end of the elastic component is fixedly connected with the motor of roughmeter；
The induction pieces are arranged on the other end of the elastic component, for contacting with workpiece surface to be checked；
The surface of the elastic component is arranged in the resistance strain gage, is electrically connected with the roughmeter.
In a kind of possible design, the quantity of the resistance strain gage is two, is separately positioned on the elastic component two
On a opposite end face.
In a kind of possible design, two resistance strain gages are connected into full-bridge circuit.
In a kind of possible design, the induction pieces are contact pilotage.
In a kind of possible design, further includes: shell is set in the elastic component, the induction pieces, the resistance and answers
Become outside piece.
In a kind of possible design, further includes: pedestal is arranged in the shell, and the pedestal and the elasticity
Part, shell connection.
In a kind of possible design, the pedestal is to be detachably connected with the elastic component, the shell.
In a kind of possible design, the pedestal is connected by screw to the elastic component, the shell.
In a kind of possible design, the resistance strain gage is pasted on the elastic component, and close by sealing material
Envelope.
In a kind of possible design, the sealing material is silicon rubber.
Strain-type roughness sensor provided in an embodiment of the present invention by setting elastic component and induction pieces, and makes elasticity
One end of part is fixedly connected with the motor of roughmeter, and induction pieces are arranged on the other end of elastic component, when induction pieces to
When being moved on inspection workpiece surface, it is ensured that in the fluctuation up and down of workpiece surface to be checked bullet occurs for elastic component with induction pieces
Property deformation, and then the resistance strain gage that its surface is set is made to be stretched or be extruded, generates analog voltage signal, and by the mould
Quasi- voltage signal is transferred in roughmeter in the form of analog voltage waveform, carries out data processing simultaneously to it using roughmeter
It shows, so that staff can accurately measure the roughness on workpiece for measurement surface, effectively increases roughness concentration essence
Degree carries out accurate operation using workpiece convenient for subsequent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of strain-type roughness sensor in the embodiment of the present invention.
Appended drawing reference is as follows:
1 elastic component,
2 induction pieces,
3 resistance strain gages,
4 shells,
5 pedestals,
6 screws.
Specific embodiment
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, with reference to the accompanying drawing to this hair
Bright embodiment is described in further details.Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
The embodiment of the invention provides a kind of strain-type roughness sensors, and as shown in Fig. 1, which passes
Sensor includes: elastic component 1, induction pieces 2, resistance strain gage 3.One end of elastic component 1 is fixedly connected with the motor of roughmeter.
Induction pieces 2 are arranged on the other end of elastic component 1, for contacting with workpiece surface to be checked.Resistance strain gage 3 is arranged in elasticity
The surface of part 1, is electrically connected with roughmeter.
When needing to detect the roughness of workpiece surface, the end of induction pieces 2 is placed on the surface of workpiece, utilization is coarse
The motor alone elastic component 1 for spending instrument moves, and then drives the induction pieces 2 on elastic component 1 in the apparent motion of workpiece.Due to quilt
Surveying workpiece surface, there are roughness, and therefore, the end of induction pieces 2 can pass through the wave crest and trough on measured workpiece surface at this time,
During this, induction pieces 2 move up and down, and drive elastic component 1 that flexible deformation occurs, and then make the resistance-strain on 1 surface of elastic component
Piece 3 is stretched or is extruded.At this point, the resistance value of resistance strain gage 3 also will increase or reduce, continuous analog voltage is generated therewith
Signal, and the analog voltage signal is transferred in roughmeter, roughmeter carries out at data according to the analog voltage signal
It manages, and shows the waveform and corresponding roughness value of a continuous roughness according to data processed result.Staff
It can be detected out the roughness size on measured workpiece surface.
Strain-type roughness sensor provided in an embodiment of the present invention by setting elastic component 1 and induction pieces 2, and makes bullet
One end of property part 1 is fixedly connected with the motor of roughmeter, and induction pieces 2 are arranged on the other end of elastic component 1, work as induction pieces
2 on workpiece surface to be checked when moving, it is ensured that elastic component 1 with induction pieces 2 workpiece surface to be checked fluctuation up and down
And elastic deformation occurs, and then the resistance strain gage that its surface is set 3 is made to be stretched or be extruded, generate analog voltage letter
Number, and the analog voltage signal is transferred in roughmeter in the form of analog voltage waveform, using roughmeter to its into
Row data processing is simultaneously shown, so that staff can accurately measure the roughness on workpiece for measurement surface, is effectively increased
Roughness concentration precision carries out accurate operation using workpiece convenient for subsequent.
Wherein, elastic component 1 can be cantilever beam structure.Induction pieces 2 can be pressing.
It, can be by resistance strain gage 3 in order to further increase the roughness concentration precision of strain-type roughness sensor
Quantity is set as two, and is separately positioned on two resistance strain gages 3 on 1 two opposite end faces of elastic component.Wherein, two
Resistance strain gage 3 is arranged on the front and back sides of 1 the same end of elastic component.
It further, can be by two in order to enable strain-type roughness sensor to have a higher sensitivity output
Resistance strain gage 3 is connected into full-bridge circuit.Its bridge arm coefficient is about 4.
Specifically, when being stretched or being extruded by resistance strain gage 3, resistance value will also generate or positive or negative electricity
Resistance increment produces one therewith and is proportional to testee surface roughness size at this point, the initial balance of electric bridge is broken
Analog output signal.
In order to improve sensing capability of the induction pieces 2 in workpiece for measurement apparent motion, induction pieces 2 can be set as touching
Needle.
Specifically, in order to guarantee the hardness and sensitivity of contact pilotage, induction pieces 2 can be set to metallic rod, and in the gold
Inlay diamond in the end (one end contacted with workpiece to be detected) for belonging to bar.The diameter of the contact pilotage can be set to 0.8mm-
1.2mm (such as 1mm, 1.1mm) can be set to 90 ° with the angle of elastic component 1.
In embodiments of the present invention, in order to guarantee to measure going on smoothly for operation, elastic component 1, induction pieces 2, resistance are avoided
Foil gauge 3 is influenced by external factor and is damaged, as shown in Fig. 1, the strain-type roughness sensor further include: shell 4.
The shell 4 is set in elastic component 1, induction pieces 2, outside resistance strain gage 3.
Wherein, the material of shell 4 can be steel alloy, and the end of induction pieces 2 is pierced by shell 4, with workpiece for measurement
Surface contact.
In order to realize the connection between elastic component 1 and shell 4, shell 4 to be made with bullet during subsequent job
Property part 1 moves together.As shown in Fig. 1, strain-type roughness sensor further include: pedestal 5.The pedestal 5 is arranged in shell 4
It is interior, and pedestal 5 is connect with elastic component 1, shell 4.
It further, can be by pedestal 5 for the ease of realizing the installation and removal between pedestal 5 and elastic component 1, shell 4
It is disposed as being detachably connected with elastic component 1, shell 4.
Specifically, pedestal 5 with elastic component 1, shell 4 is connect by screw 6.Wherein, pedestal 5, elastic component 1, shell 4
On be provided with internal thread hole compatible with screw 6, in use, screw 6 is sequentially screwed into the interior spiral shell on shell 4 and pedestal 5
Internal thread hole on pit or elastic component 1 and pedestal 5.
In order to guarantee that resistance strain gage 3 can be tightly secured on elastic component 1, and guarantee that the resistance strain gage 3 has
Resistance strain gage 3 can be pasted on elastic component 1 by preferably moisture-proof, high temperature resistant and performance steady in a long-term, and by close
Closure material sealing.
Specifically, silicon rubber can be set by sealing material.
Through testing, strain-type roughness sensor provided in an embodiment of the present invention is powered using DC power supply, voltage 3V,
Its roughness concentration range is greater than or equal to ± 100 μm, and for precision within 6%, output voltage is about 2mv, sensitivity 1mv/
V can accurately measure ± 0.1-100 μm of roughness variation.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of strain-type roughness sensor characterized by comprising elastic component (1), induction pieces (2), resistance strain gage
(3)；
One end of the elastic component (1) is fixedly connected with the motor of roughmeter；
The induction pieces (2) are arranged on the other end of the elastic component (1), for contacting with workpiece surface to be checked；
The resistance strain gage (3) is arranged on the surface of the elastic component (1), is electrically connected with the roughmeter.
2. strain-type roughness sensor as described in claim 1, which is characterized in that the quantity of the resistance strain gage (3)
It is two, is separately positioned on (1) two opposite end face of the elastic component.
3. strain-type roughness sensor as claimed in claim 2, which is characterized in that two resistance strain gages (3) connect
At full-bridge circuit.
4. strain-type roughness sensor as described in claim 1, which is characterized in that the induction pieces (2) are contact pilotage.
5. strain-type roughness sensor as described in claim 1, which is characterized in that further include: shell (4) is set in institute
It is external to state elastic component (1), the induction pieces (2), the resistance strain gage (3).
6. strain-type roughness sensor as claimed in claim 5, which is characterized in that further include: pedestal (5) is arranged in institute
It states in shell (4), and the pedestal (5) is connect with the elastic component (1), the shell (4).
7. strain-type roughness sensor as claimed in claim 6, which is characterized in that the pedestal (5) and the elastic component
(1), the shell (4) is to be detachably connected.
8. strain-type roughness sensor as claimed in claim 7, which is characterized in that the pedestal (5) and the elastic component
(1), the shell (4) is connected by screw (6).
9. strain-type roughness sensor as described in claim 1, which is characterized in that the resistance strain gage (3) is pasted onto
On the elastic component (1), and sealed by sealing material.
10. strain-type roughness sensor as claimed in claim 9, which is characterized in that the sealing material is silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591869.2A CN109458926A (en) | 2018-12-20 | 2018-12-20 | A kind of strain-type roughness sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591869.2A CN109458926A (en) | 2018-12-20 | 2018-12-20 | A kind of strain-type roughness sensor |
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| Publication Number | Publication Date |
|---|---|
| CN109458926A true CN109458926A (en) | 2019-03-12 |
Family
ID=65614561
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591869.2A Pending CN109458926A (en) | 2018-12-20 | 2018-12-20 | A kind of strain-type roughness sensor |
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| Country | Link |
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| CN (1) | CN109458926A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238082A (en) * | 2019-06-26 | 2019-09-17 | 东莞理工学院 | A kind of 3C Product shell detection screening plant |
| CN113607190A (en) * | 2021-08-13 | 2021-11-05 | 中建八局第一建设有限公司 | Building construction horizontal component size measurement and verification method |
| CN113607190B (en) * | 2021-08-13 | 2024-05-31 | 中建八局第一建设有限公司 | Building construction horizontal member size measurement and verification method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4338481A1 (en) * | 1993-11-11 | 1995-05-18 | Mtu Muenchen Gmbh | Hand-held tester of surface roughness |
| JPH10138095A (en) * | 1996-11-11 | 1998-05-26 | Tokyo Seimitsu Co Ltd | Dimension measuring device provided with roughness sensor |
| US6578410B1 (en) * | 2001-08-10 | 2003-06-17 | Jacob Israelachvili | Resistive cantilever spring for probe microscopy |
| CN2578787Y (en) * | 2001-12-21 | 2003-10-08 | 时代集团公司 | Manual roughness devices |
| RU2381440C1 (en) * | 2008-12-19 | 2010-02-10 | Иван Федорович Пивин | Caliper |
| CN104568740A (en) * | 2014-12-29 | 2015-04-29 | 昆明理工大学 | Micro friction measurement device |
| CN105222701A (en) * | 2015-10-22 | 2016-01-06 | 桂林电子科技大学 | A kind of strain gauge transducer with acid-alkali-corrosive-resisting performance |
| US20170299368A1 (en) * | 2015-02-25 | 2017-10-19 | Carl Zeiss Industrielle Messtechnik Gmbh | Method for determining measurement conditions of a roughness sensor, method for measuring a roughness of a workpiece surface, computer program product, and measuring device designed to perform the methods |
| CN209043237U (en) * | 2018-12-20 | 2019-06-28 | 北京时代之峰科技有限公司 | A kind of strain-type roughness sensor |
-
2018
- 2018-12-20 CN CN201811591869.2A patent/CN109458926A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4338481A1 (en) * | 1993-11-11 | 1995-05-18 | Mtu Muenchen Gmbh | Hand-held tester of surface roughness |
| JPH10138095A (en) * | 1996-11-11 | 1998-05-26 | Tokyo Seimitsu Co Ltd | Dimension measuring device provided with roughness sensor |
| US6578410B1 (en) * | 2001-08-10 | 2003-06-17 | Jacob Israelachvili | Resistive cantilever spring for probe microscopy |
| CN2578787Y (en) * | 2001-12-21 | 2003-10-08 | 时代集团公司 | Manual roughness devices |
| RU2381440C1 (en) * | 2008-12-19 | 2010-02-10 | Иван Федорович Пивин | Caliper |
| CN104568740A (en) * | 2014-12-29 | 2015-04-29 | 昆明理工大学 | Micro friction measurement device |
| US20170299368A1 (en) * | 2015-02-25 | 2017-10-19 | Carl Zeiss Industrielle Messtechnik Gmbh | Method for determining measurement conditions of a roughness sensor, method for measuring a roughness of a workpiece surface, computer program product, and measuring device designed to perform the methods |
| CN105222701A (en) * | 2015-10-22 | 2016-01-06 | 桂林电子科技大学 | A kind of strain gauge transducer with acid-alkali-corrosive-resisting performance |
| CN209043237U (en) * | 2018-12-20 | 2019-06-28 | 北京时代之峰科技有限公司 | A kind of strain-type roughness sensor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238082A (en) * | 2019-06-26 | 2019-09-17 | 东莞理工学院 | A kind of 3C Product shell detection screening plant |
| CN113607190A (en) * | 2021-08-13 | 2021-11-05 | 中建八局第一建设有限公司 | Building construction horizontal component size measurement and verification method |
| CN113607190B (en) * | 2021-08-13 | 2024-05-31 | 中建八局第一建设有限公司 | Building construction horizontal member size measurement and verification method |
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