CN201555557U - Surface roughness measurement device - Google Patents
Surface roughness measurement device Download PDFInfo
- Publication number
- CN201555557U CN201555557U CN2009201896410U CN200920189641U CN201555557U CN 201555557 U CN201555557 U CN 201555557U CN 2009201896410 U CN2009201896410 U CN 2009201896410U CN 200920189641 U CN200920189641 U CN 200920189641U CN 201555557 U CN201555557 U CN 201555557U
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- central processing
- measurement device
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- piezoelectric sensor
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a surface roughness measurement device, which comprises a piezoelectric sensor for measuring the surface roughness of a workpiece. The piezoelectric sensor is arranged on a sensor driving transmission device, wherein a signal output end of the piezoelectric sensor is connected with an input end of a signal processing circuit; an output end of the signal processing circuit is connected with a central processing unit; the central processing unit sends a control signal to a direct current motor; an output end of the direct current motor is connected with the sensor driving transmission device so as to drive the piezoelectric sensor to move on the surface of the workpiece; and the central processing unit is connected with a display module for displaying the information of the surface roughness of the workpiece assessed by the central processing unit. Compared with the prior art, the utility model has the advantages that the user can conveniently know the surface roughness of the measured workpiece in real time, the indication is convenient, the operation is direct and convenient and the processing workpiece can be detected and measured on the production field.
Description
Technical field
The utility model relates to a kind of surface finish measurement device.
Background technology
Surfaceness is that reflection also is simultaneously the important indicator of the various mechanical workpieces suface processing qualities of evaluation, and the measurement of Part Surface Roughness is normally finished by surfagauge.It is multiple that existing surface roughness measuring method has relative method, pin to retouch method, light cross-section method, interferometric method and impression method etc., mainly is to use multiple instrument and gauging instruments such as model, electric profile apparatus, light-section microscope, interference microscope.Except that the model relative method, other various measuring methods all need to be measured by the professional in measuring room, then the external computing machine of measurement result are shown, this is unfavorable for on-the-spot the detection in real time and operation in the workpiece process very much.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of surface finish measurement device that can directly measurement result be shown in real time at above-mentioned prior art.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this surface finish measurement device, comprise the piezoelectric sensor that is used for the measuring workpieces surfaceness, this piezoelectric sensor is installed on the sensor drive gearing, the signal output part of described piezoelectric sensor connects the input end of a signal processing circuit, the output terminal of this signal processing circuit is connected with a central processing unit, this central processing unit output control signal is given direct current generator, the drive pressure electric transducer moves at surface of the work thereby the output terminal of direct current generator links to each other with described sensor drive gearing, it is characterized in that: described central processing unit is connected with a display module that the workpiece surface roughness information of central processing unit evaluation can be shown.
Like this, when the contact of piezoelectric sensor is mobile on the measured workpiece surface, the voltage signal that signal processing circuit collects changes with the trickle concavo-convex variation of surface of the work, determine the surface of the work form thus, and the voltage change signal of correspondence inputed to central processing unit, central processing unit calculates one group of related data can evaluating surperficial asperity information by the detection accounting procedure that pre-deposits, it is the surfaceness of measured workpiece, and these result data are shown on display module, rational in infrastructure, easy to use.
As improvement, described central processing unit is connected with the feature operation key-press module, can select different assessment parameters and unit that the surfaceness of measured workpiece is processed and displayed as required.
Preferably, described feature operation key-press module includes: evaluation length is provided with button, sample length is provided with button, measurement parameter selection key, measurement result public affairs/selection key made in Great Britain, prints button, power switch button, begins to measure button.
Carry for convenience, described signal processing circuit, central processing unit, display module are installed in the housing, and the surface of this housing is provided with display window that exposes for display module and the action pane that leaks outside for the feature operation key-press module.
Described central processing unit is connected with standard RS-232 communication interface or USB interface, like this, the utility model can with computing machine or printer communication, carry out operations such as Computer Processing or printing.
The dovetail that is provided with the adjustable sensor height in the described sensor drive gearing is heightened parts.
Compared with prior art, advantage of the present utility model is:
1, display module is set, can make things convenient for the user to understand the roughness on measured workpiece surface in real time, convenient reading is operated intuitive and convenient, can directly detect metering to processing work, realize microminiaturization, digitizing and the intellectuality of surfagauge in the production scene;
2, circuit design such as signal processing circuit, central processing unit, display module partly are installed in the housing, make the utility model portable construction characteristics, be not only applicable to measuring room and laboratory, and be applicable to the scene, workshop;
3, configuration standard RS-232 communication interface or USB interface can export measurement result in mini-printer or computer, and the intelligent detecting instrument of high precision, high-level efficiency, low-power consumption is provided for manufacturings such as precision optical machinery, auto parts and components, bearings.
Description of drawings
Fig. 1 is that the module of the utility model embodiment connects block diagram;
Fig. 2 is the panel construction synoptic diagram of the utility model embodiment;
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Surface finish measurement device as shown in Figure 1, comprise the piezoelectric sensor that is used for the measuring workpieces surfaceness, piezoelectric sensor can be according to the dissimilar piezoelectric sensor of workpiece different choice that will measure like this, can be that standard transducer also can be little hole sensor, also can be curved surface sensor or notch sensor.Select dissimilar piezoelectric sensors, make present embodiment can be used for detection plane, cylindrical, endoporus, groove and other various difficult surfaces of measuring.Piezoelectric sensor is installed on the sensor drive gearing, the dovetail that is provided with the adjustable sensor height in the sensor drive gearing is heightened parts, piezoelectric sensor then is installed in to be heightened on the parts, the adjustment that parts can conveniently be adjusted the piezoelectric sensor position is heightened in dependence, and the piezoelectric sensor contact pilotage contacts with the good of measured workpiece surface.The signal wire of piezoelectric sensor inserts the input end of signal processing circuit, the output terminal of this signal processing circuit is connected with a central processing unit, this central processing unit output control signal is given direct current generator, the drive pressure electric transducer moves at surface of the work thereby the output terminal of direct current generator links to each other with the sensor drive gearing, and central processing unit is connected with a display module that the workpiece surface roughness information of central processing unit evaluation can be shown.In the present embodiment, it is that 192*128, size are the large-scale LCD LCD of 36mm*60mm that display module adopts display resolution;
Central processing unit is made up of PIC series monolithic and peripheral circuit thereof.Signal processing circuit can adopt existing conventional circuit mode to constitute, and comprises parts such as collection, amplification, filtering and A/D conversion.
Central processing unit is connected with the feature operation key-press module, the feature operation key-press module includes: evaluation length is provided with button, sample length is provided with button, measurement parameter selection key, measurement result public affairs/selection key made in Great Britain, prints button, power switch button, begins to measure button, referring to shown in Figure 2.
In addition, central processing unit is connected with communication interfaces such as standard RS-232 communication interface or USB interface.
Above-mentioned signal processing circuit, central processing unit, display module, feature operation key-press module are installed in the housing, and the surface of this housing is provided with display window 1 that exposes for display module and the action pane that leaks outside for the feature operation key-press module.Display window has functional parameter to select demonstration 2, evaluation length selection demonstration 3, sample length to select demonstration 4, measurement result metric and English to select demonstration 5 and measurement result demonstration 6 according to meaning.Function key is respectively that evaluation length is provided with key 7, sample length is provided with key 8, measurement parameter options button 9, measurement result public affairs/options button 10 made in Great Britain, printing key 11, power switch key 12 and begins to measure key 13.
The principle of work of present embodiment is: when the contact of piezoelectric sensor is mobile on the measured workpiece surface, the voltage signal that signal processing circuit collects changes with the trickle concavo-convex variation of surface of the work, determine the surface of the work form thus, and the voltage change signal of correspondence inputed to central processing unit, central processing unit calculates one group of related data can evaluating surperficial asperity information by the detection accounting procedure that pre-deposits, it is the surfaceness of measured workpiece, and these result data are shown on display module, rational in infrastructure, easy to use.The direct current generator and the trip sensor of central processing unit control kinematic train guarantee reliablely and stablely collection surface roughness signal of piezoelectric sensor.
Claims (6)
1. surface finish measurement device, comprise the piezoelectric sensor that is used for the measuring workpieces surfaceness, this piezoelectric sensor is installed on the sensor drive gearing, the signal output part of described piezoelectric sensor connects the input end of a signal processing circuit, the output terminal of this signal processing circuit is connected with a central processing unit, this central processing unit output control signal is given direct current generator, the drive pressure electric transducer moves at surface of the work thereby the output terminal of direct current generator links to each other with described sensor drive gearing, it is characterized in that: described central processing unit is connected with a display module that the workpiece surface roughness information of central processing unit evaluation can be shown.
2. surface finish measurement device according to claim 1 is characterized in that: described central processing unit is connected with the feature operation key-press module.
3. surface finish measurement device according to claim 2 is characterized in that: described feature operation key-press module includes: evaluation length is provided with button, sample length is provided with button, measurement parameter selection key, measurement result public affairs/selection key made in Great Britain, prints button, power switch button, begins to measure button.
4. surface finish measurement device according to claim 2, it is characterized in that: described signal processing circuit, central processing unit, display module are installed in the housing, and the surface of this housing is provided with display window that exposes for display module and the action pane that leaks outside for the feature operation key-press module.
5. according to the described surface finish measurement device of any claim in the claim 1～4, it is characterized in that: described central processing unit is connected with standard RS-232 communication interface or USB interface.
6. according to the described surface finish measurement device of any claim in the claim 1～4, it is characterized in that: the dovetail that is provided with the adjustable sensor height in the described sensor drive gearing is heightened parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201896410U CN201555557U (en) | 2009-07-22 | 2009-07-22 | Surface roughness measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201896410U CN201555557U (en) | 2009-07-22 | 2009-07-22 | Surface roughness measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555557U true CN201555557U (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201896410U Expired - Fee Related CN201555557U (en) | 2009-07-22 | 2009-07-22 | Surface roughness measurement device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201555557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185564A (en) * | 2011-12-29 | 2013-07-03 | 杭州工具量具有限公司 | Software control system for high-precision roughometer |
| CN111562219A (en) * | 2020-05-22 | 2020-08-21 | 哈尔滨理工大学 | Light cutting microscope for measuring microscopic appearance of surface of steel plate |
| CN113804091A (en) * | 2021-11-18 | 2021-12-17 | 中认国证(北京)评价技术服务有限公司 | Roughness real-time detection method |
-
2009
- 2009-07-22 CN CN2009201896410U patent/CN201555557U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185564A (en) * | 2011-12-29 | 2013-07-03 | 杭州工具量具有限公司 | Software control system for high-precision roughometer |
| CN111562219A (en) * | 2020-05-22 | 2020-08-21 | 哈尔滨理工大学 | Light cutting microscope for measuring microscopic appearance of surface of steel plate |
| CN113804091A (en) * | 2021-11-18 | 2021-12-17 | 中认国证(北京)评价技术服务有限公司 | Roughness real-time detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20120722 |