CN2852050Y - Computer device for measuring circumference - Google Patents
Computer device for measuring circumference Download PDFInfo
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- CN2852050Y CN2852050Y CN 200520052488 CN200520052488U CN2852050Y CN 2852050 Y CN2852050 Y CN 2852050Y CN 200520052488 CN200520052488 CN 200520052488 CN 200520052488 U CN200520052488 U CN 200520052488U CN 2852050 Y CN2852050 Y CN 2852050Y
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Abstract
The utility model discloses a computer device for measuring circumferences, which comprises a displacement sensor, a conditioning circuit, an A/D converting circuit, an encoder, a counter, a calculation device and a display screen, wherein the output end of the displacement sensor is connected with the input end of the conditioning circuit of which the output end is connected with the input end of the A/D converting circuit; the output end of the A/D converting circuit is connected with the calculation device; the output end of the encoder is connected with the input end of the counter of which the output end is connected with the calculation device; the output end of the calculation device is connected with the display screen. The utility model which adopts the technique of a high precision sensor and the technique of high precision high-speed data acquisition and treatment, automatically measures circular work pieces; the process of measuring is simple and quick, and the result of measuring is precise and reliable. The generalization and the application of the utility model is favorable to enhance the quality of mechanical processing industry in general.
Description
Technical field
The utility model relates to a kind of computing machine circumference measurement mechanism.
Background technology
As main shaft, impeller during important central portion such as circle, for ensuring the quality of products, often will carry out quality testing in the rotor, cylinder at the circular workpiece of processing in processing enterprise.Existing method is the high precision rolling clamp to be installed by manual measurement on circular workpiece to be detected.The shortcoming of this method is a high precision rolling clamp difficult processing, and manual measurement is time-consuming simultaneously, efficient is low, low precision.
The utility model content
Technical problem to be solved in the utility model is to overcome existing manual measurement circumference to advance the problem that existing efficient is low, error big, repeatability is bad, and a kind of simple in structure, computing machine circumference measurement mechanism that precision is high, convenient to use is provided.
The technical scheme that the utility model solves the problems of the technologies described above is: comprise displacement transducer, modulate circuit, A/D change-over circuit, scrambler, counter, calculation element, the output of described displacement transducer connects the input of modulate circuit, the output of modulate circuit connects the input of A/D change-over circuit, the output of A/D change-over circuit connects calculation element, the output of scrambler connects the input of counter, and the output of counter connects calculation element.
In the above-mentioned computing machine circumference measurement mechanism, described scrambler is a grating encoder.
The beneficial effects of the utility model: when 1) the utility model detects circular workpiece, need not use the high precision rolling clamp, calculation element can be handled reading, finds the real center of circle, has therefore avoided the high-accuracy clamp problem of difficult processing; 2) detected each anglec of rotation constantly of circular workpiece to be detected by grating encoder, and write down the displacement bias in this moment by high accuracy displacement sensor, this measurement need not manual intervention, has the advantage that error is little, precision is high, can repeat.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises displacement transducer, modulate circuit, the A/D change-over circuit, scrambler, counter, calculation element, display screen, described displacement transducer adopts the high precision inductive displacement transducer, and be fixed on the outside of circular workpiece to be detected, the output of displacement transducer connects the input of modulate circuit, the output of modulate circuit connects the input of A/D change-over circuit, the output of A/D change-over circuit connects calculation element, scrambler adopts grating encoder, and be installed on circular workpiece axle to be detected, the output of scrambler connects the input of counter, and the output of counter connects calculation element, and the output of calculation element connects display screen.
Principle of work of the present utility model is: when circular workpiece to be detected rotates, high precision inductive displacement transducer probe detects the position difference of circular workpiece to be detected, the pulse signal of its output becomes linear voltage after the modulate circuit conditioning is amplified, this voltage signal converts digital signal to via A/D converter and is input to calculation element, meanwhile, light is deleted the formula rotary encoder and is produced pulse signal, and by rolling counters forward, to write down the anglec of rotation of circular workpiece to be detected, after circular workpiece to be detected rotated a circle, counter sent the stop signal collection of signalisation system.After system's stop signal is gathered, calculation element is divided the displacement information of storage and the angle information in the counter piecemeal, calculate the average displacement value of each angle, and pass through least square method, it is poor to regenerate circular order, the circularity of workpiece, parameters such as right alignment can be justified poor calculating thus, and show testing result by display screen.
Repeatable accuracy of the present utility model can reach 0.5 micron, can reach 0.1 micron during ideal state, not only satisfies but also has exceeded the state specified standards margin tolerance.
The utility model has merged the high precision sensor technology, and high-precision high-speed data acquisition and treatment technology can detect circular workpiece automatically, as: main shaft, impeller, rotor, important central portions such as the interior circle of cylinder.Measuring process simple and fast, measurement result are accurately reliable.It can not only replace manual measurement, increases work efficiency, and can reach the manual measurement degree of accuracy that is beyond one's reach.
Claims (3)
1, a kind of computing machine circumference measurement mechanism, it is characterized in that: comprise displacement transducer, modulate circuit, A/D change-over circuit, scrambler, counter, calculation element, display screen, the output of described displacement transducer connects the input of modulate circuit, the output of modulate circuit connects the input of A/D change-over circuit, the output of A/D change-over circuit connects calculation element, the output of scrambler connects the input of counter, and the output of counter connects calculation element, and the output of calculation element connects display screen.
2, computing machine circumference measurement mechanism according to claim 1, it is characterized in that: described scrambler is a grating encoder.
3, computing machine circumference measurement mechanism according to claim 1, it is characterized in that: described displacement transducer is the high precision inductive displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520052488 CN2852050Y (en) | 2005-11-18 | 2005-11-18 | Computer device for measuring circumference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520052488 CN2852050Y (en) | 2005-11-18 | 2005-11-18 | Computer device for measuring circumference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852050Y true CN2852050Y (en) | 2006-12-27 |
Family
ID=37586009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520052488 Expired - Fee Related CN2852050Y (en) | 2005-11-18 | 2005-11-18 | Computer device for measuring circumference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852050Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275093A (en) * | 2011-07-14 | 2011-12-14 | 中国科学院沈阳自动化研究所 | Workpiece measuring system based on five-axis numerical control system |
| CN103822588A (en) * | 2014-02-25 | 2014-05-28 | 北京工业大学 | Cabin cross section circumference measuring device and method based on non-contact profiling method |
| CN108037733A (en) * | 2017-11-30 | 2018-05-15 | 深圳市智物联网络有限公司 | A kind of numerically-controlled machine tool tune machine system and method |
| CN111998792A (en) * | 2020-08-25 | 2020-11-27 | 赛轮集团股份有限公司 | On-line detection method and on-line detection device for tire blank out-of-roundness of tire building machine |
-
2005
- 2005-11-18 CN CN 200520052488 patent/CN2852050Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275093A (en) * | 2011-07-14 | 2011-12-14 | 中国科学院沈阳自动化研究所 | Workpiece measuring system based on five-axis numerical control system |
| CN102275093B (en) * | 2011-07-14 | 2013-03-13 | 中国科学院沈阳自动化研究所 | Workpiece measuring system based on five-axis numerical control system |
| CN103822588A (en) * | 2014-02-25 | 2014-05-28 | 北京工业大学 | Cabin cross section circumference measuring device and method based on non-contact profiling method |
| CN103822588B (en) * | 2014-02-25 | 2016-06-01 | 北京工业大学 | Based on noncontact formula form copying method cabin body section girth measuring apparatus and measuring method |
| CN108037733A (en) * | 2017-11-30 | 2018-05-15 | 深圳市智物联网络有限公司 | A kind of numerically-controlled machine tool tune machine system and method |
| CN111998792A (en) * | 2020-08-25 | 2020-11-27 | 赛轮集团股份有限公司 | On-line detection method and on-line detection device for tire blank out-of-roundness of tire building machine |
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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: 20061227 Termination date: 20091218 |